/* roulang page: index */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --nav-collapsed-width: 72px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xl) 0;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--bg-warm {
            background: var(--bg-warm);
        }
        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }
        .section--bg-dark h2,
        .section--bg-dark h3 {
            color: #FFFFFF;
        }
        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }

        .text-weak {
            color: var(--text-weak);
        }
        .text-mid {
            color: var(--text-mid);
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text-dark);
        }

        h1 {
            font-size: clamp(2rem, 4.5vw, 2.75rem);
            margin-bottom: var(--space-sm);
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: var(--space-sm);
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.35rem);
            margin-bottom: var(--space-xs);
        }
        h4 {
            font-size: 1.05rem;
            margin-bottom: var(--space-xs);
        }

        .section-title {
            margin-bottom: var(--space-xs);
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }

        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }
        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }
        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
        }
        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }
        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }
        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            min-height: 36px;
            border-radius: var(--radius-sm);
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            min-height: 52px;
        }
        .btn--block {
            display: flex;
            width: 100%;
        }

        /* ===== 左侧 App Shell 导航 ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #16201A;
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: var(--space-md) var(--space-sm);
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.12);
        }

        .side-nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: var(--space-xs) var(--space-sm);
            margin-bottom: var(--space-md);
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .side-nav__logo:hover {
            color: var(--accent-yellow);
        }
        .side-nav__logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary-green);
            border-radius: 50%;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .side-nav__list {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }
        .side-nav__list li {
            margin-bottom: 2px;
        }
        .side-nav__link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 3px solid transparent;
            position: relative;
        }
        .side-nav__link i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .side-nav__link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }
        .side-nav__link:hover i {
            color: var(--accent-yellow);
        }
        .side-nav__link.is-active {
            background: rgba(29, 138, 62, 0.2);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
            font-weight: 600;
        }
        .side-nav__link.is-active i {
            color: var(--accent-yellow);
        }

        .side-nav__footer {
            padding: var(--space-sm) var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: var(--space-sm);
        }
        .side-nav__footer a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            text-decoration: none;
            display: block;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .side-nav__footer a:hover {
            color: var(--accent-yellow);
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-width: 0;
        }

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #16201A;
            z-index: 90;
            align-items: center;
            padding: 0 var(--space-md);
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar__logo {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.15rem;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar__logo:hover {
            color: var(--accent-yellow);
        }
        .mobile-topbar__hamburger {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-topbar__hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* 移动端抽屉覆盖层 */
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 95;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .drawer-overlay.is-open {
            opacity: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #FFFFFF;
            text-align: center;
            padding: var(--space-xl) var(--space-md);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 20, 12, 0.7) 0%, rgba(10, 20, 12, 0.45) 50%, rgba(10, 20, 12, 0.78) 100%);
            z-index: 1;
        }
        .hero__content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            width: 100%;
        }
        .hero__title {
            color: #FFFFFF;
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            margin-bottom: var(--space-sm);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
            letter-spacing: -0.02em;
        }
        .hero__title .accent {
            color: var(--accent-yellow);
        }
        .hero__subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: var(--space-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero__search {
            display: flex;
            align-items: center;
            background: #FFFFFF;
            border-radius: 50px;
            overflow: hidden;
            max-width: 520px;
            margin: 0 auto var(--space-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            min-height: 52px;
        }
        .hero__search input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 0.95rem;
            color: var(--text-dark);
            background: transparent;
            min-width: 0;
        }
        .hero__search input::placeholder {
            color: #9AA89A;
        }
        .hero__search button {
            background: var(--primary-green);
            border: none;
            color: #FFFFFF;
            padding: 0 24px;
            min-height: 52px;
            font-size: 1rem;
            transition: background var(--transition);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        .hero__search button:hover {
            background: var(--primary-dark);
        }

        .hero__hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: var(--space-lg);
        }
        .hero__hot-tags a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }
        .hero__hot-tags a:hover {
            background: rgba(255, 255, 255, 0.25);
            color: var(--accent-yellow);
            transform: translateY(-1px);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .hero__cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: var(--space-md);
        }
        .hero__stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            justify-content: center;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero__stat {
            text-align: center;
            min-width: 100px;
        }
        .hero__stat-value {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-yellow);
            display: block;
        }
        .hero__stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 数据横条 ===== */
        .live-bar {
            background: var(--primary-dark);
            color: #FFFFFF;
            padding: var(--space-sm) 0;
            border-bottom: 3px solid var(--accent-yellow);
        }
        .live-bar__row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            align-items: center;
            justify-content: space-between;
        }
        .live-bar__item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .live-bar__item i {
            color: var(--accent-yellow);
            font-size: 1rem;
        }
        .live-bar__item strong {
            color: #FFFFFF;
            font-weight: 700;
        }
        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #FF5252;
            border-radius: 50%;
            animation: pulseDot 1.8s infinite;
        }
        @keyframes pulseDot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.6); }
            50% { box-shadow: 0 0 0 6px rgba(255, 82, 82, 0); }
        }

        /* ===== 功能分组 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }
        .feature-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
            display: flex;
            gap: var(--space-sm);
            align-items: flex-start;
        }
        .feature-card:nth-child(odd) {
            background: #FFFFFF;
        }
        .feature-card:nth-child(even) {
            background: #FAFCF7;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(29, 138, 62, 0.25);
        }
        .feature-card__icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: rgba(29, 138, 62, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-green);
            font-size: 1.3rem;
        }
        .feature-card__content h3 {
            margin-bottom: 6px;
            font-size: 1.15rem;
        }
        .feature-card__content p {
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 使用场景 ===== */
        .scenario-timeline {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            position: relative;
            padding-left: 36px;
        }
        .scenario-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(29, 138, 62, 0.2);
            border-radius: 2px;
        }
        .scenario-item {
            position: relative;
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-md) var(--space-lg);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
        }
        .scenario-item:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(29, 138, 62, 0.25);
            transform: translateX(4px);
        }
        .scenario-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 28px;
            width: 12px;
            height: 12px;
            background: var(--accent-yellow);
            border-radius: 50%;
            border: 3px solid var(--primary-green);
        }
        .scenario-item__step {
            display: inline-block;
            background: var(--primary-green);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 16px;
            margin-bottom: var(--space-xs);
            letter-spacing: 0.03em;
        }
        .scenario-item h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .scenario-item p {
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 片单分区（Showcase）===== */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .showcase-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 220px;
            background: linear-gradient(135deg, #1D8A3E 0%, #0F5C28 100%);
            display: flex;
            align-items: flex-end;
            padding: var(--space-md);
            transition: all var(--transition);
            cursor: pointer;
        }
        .showcase-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.65) 100%);
            z-index: 1;
        }
        .showcase-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }
        .showcase-card__content {
            position: relative;
            z-index: 2;
            color: #FFFFFF;
        }
        .showcase-card__content h3 {
            color: #FFFFFF;
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .showcase-card__content p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
        }
        .showcase-card--yellow {
            background: linear-gradient(135deg, #C9940D 0%, #A36E0A 100%);
        }
        .showcase-card--orange {
            background: linear-gradient(135deg, #E67E22 0%, #B85E0A 100%);
        }
        .showcase-card--dark {
            background: linear-gradient(135deg, #2D3A2D 0%, #1A2420 100%);
        }

        /* ===== 深度内容 ===== */
        .deep-reading {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: var(--space-lg);
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
        }
        .deep-reading__main h2 {
            font-size: 1.5rem;
            margin-bottom: var(--space-sm);
        }
        .deep-reading__main h3 {
            font-size: 1.15rem;
            margin-top: var(--space-sm);
            color: var(--primary-dark);
        }
        .deep-reading__main p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text-mid);
            margin-bottom: var(--space-sm);
        }
        .deep-reading__main blockquote {
            border-left: 4px solid var(--accent-yellow);
            background: rgba(242, 201, 76, 0.08);
            padding: var(--space-sm) var(--space-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-dark);
            margin: var(--space-sm) 0;
        }
        .deep-reading__image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: var(--space-sm) 0;
        }
        .deep-reading__image img {
            width: 100%;
            object-fit: cover;
        }
        .deep-reading__side {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .deep-reading__side-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: var(--space-sm);
            border: 1px solid var(--border-soft);
        }
        .deep-reading__side-card h4 {
            font-size: 0.95rem;
            margin-bottom: 6px;
            color: var(--primary-dark);
        }
        .deep-reading__side-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-reading__side-card li {
            font-size: 0.85rem;
            color: var(--text-mid);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-soft);
        }
        .deep-reading__side-card li:last-child {
            border-bottom: none;
        }
        .deep-reading__side-card li i {
            color: var(--primary-green);
            margin-right: 6px;
        }

        /* ===== 成功案例 ===== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .case-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }
        .case-card__img {
            height: 180px;
            overflow: hidden;
            border-radius: 0;
        }
        .case-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s;
        }
        .case-card:hover .case-card__img img {
            transform: scale(1.05);
        }
        .case-card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card__body h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .case-card__body p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 安全体系 ===== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .security-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: center;
            transition: all var(--transition);
        }
        .security-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .security-item i {
            font-size: 1.8rem;
            color: var(--accent-yellow);
            margin-bottom: var(--space-xs);
            display: block;
        }
        .security-item h4 {
            color: #FFFFFF;
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .security-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 品牌介绍 ===== */
        .brand-block {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #1A2A1E 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            color: #E8EFE4;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        .brand-block h2 {
            color: #FFFFFF;
            margin-bottom: var(--space-sm);
        }
        .brand-block p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: var(--space-sm);
        }
        .brand-block__img {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 220px;
        }
        .brand-block__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 数据指标 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            text-align: center;
        }
        .stat-item {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--card-shadow-hover);
        }
        .stat-item__value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-green);
            display: block;
            margin-bottom: 4px;
        }
        .stat-item__label {
            font-size: 0.88rem;
            color: var(--text-weak);
        }

        /* ===== 价格区 ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            align-items: stretch;
        }
        .pricing-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-soft);
            text-align: center;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            position: relative;
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(29, 138, 62, 0.3);
        }
        .pricing-card--featured {
            border-color: var(--primary-green);
            border-width: 2px;
            box-shadow: 0 8px 32px rgba(29, 138, 62, 0.12);
        }
        .pricing-card__badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-yellow);
            color: #5D4200;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .pricing-card h3 {
            font-size: 1.2rem;
            margin-bottom: 4px;
        }
        .pricing-card__desc {
            color: var(--text-weak);
            font-size: 0.88rem;
            margin-bottom: var(--space-sm);
        }
        .pricing-card__price {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 2px;
        }
        .pricing-card__price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-weak);
        }
        .pricing-card__features {
            list-style: none;
            padding: 0;
            margin: var(--space-sm) 0;
            flex: 1;
        }
        .pricing-card__features li {
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--text-mid);
            border-bottom: 1px dashed var(--border-soft);
        }
        .pricing-card__features li i {
            color: var(--primary-green);
            margin-right: 6px;
        }
        .pricing-card .btn {
            margin-top: var(--space-sm);
        }

        /* ===== 新闻中心 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .news-item {
            display: flex;
            gap: var(--space-md);
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(29, 138, 62, 0.2);
        }
        .news-item__date {
            flex-shrink: 0;
            background: var(--primary-green);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            text-align: center;
            font-size: 0.8rem;
            font-weight: 600;
            min-width: 70px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-item__date span {
            font-size: 1.1rem;
            font-weight: 700;
            display: block;
        }
        .news-item__content {
            flex: 1;
            min-width: 0;
        }
        .news-item__content .tag {
            margin-bottom: 4px;
        }
        .news-item__content h3 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .news-item__content p {
            font-size: 0.88rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .news-item__content a {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-green);
        }
        .news-item__content a:hover {
            color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(29, 138, 62, 0.25);
        }
        .faq-item__question {
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            padding: var(--space-sm) var(--space-md);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition);
            min-height: 50px;
        }
        .faq-item__question:hover {
            color: var(--primary-green);
        }
        .faq-item__question i {
            color: var(--primary-green);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item__question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            display: none;
            padding: 0 var(--space-md) var(--space-sm);
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.8;
        }
        .faq-item__answer.is-open {
            display: block;
        }

        /* ===== 订阅表单 ===== */
        .subscribe-section {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            padding: var(--space-xl) 0;
        }
        .subscribe-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 60, 28, 0.92) 0%, rgba(30, 42, 30, 0.88) 100%);
        }
        .subscribe-section .container {
            position: relative;
            z-index: 2;
        }
        .subscribe-box {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            max-width: 680px;
            margin: 0 auto;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
        }
        .subscribe-box h2 {
            text-align: center;
            margin-bottom: var(--space-xs);
        }
        .subscribe-box p {
            text-align: center;
            color: var(--text-weak);
            font-size: 0.95rem;
            margin-bottom: var(--space-md);
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .subscribe-form__field {
            flex: 1;
            min-width: 160px;
        }
        .subscribe-form input,
        .subscribe-form select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-dark);
            background: #FAFCF7;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-height: 44px;
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(29, 138, 62, 0.1);
            outline: none;
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #16201A;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-xl) 0 var(--space-md);
            margin-left: var(--nav-width);
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer__brand h3 {
            color: #FFFFFF;
            font-size: 1.2rem;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer__brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent-yellow);
        }
        .site-footer__bottom {
            padding-top: var(--space-sm);
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer__bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
        }
        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: var(--topbar-height);
            }
            .site-footer {
                margin-left: 0;
            }

            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .deep-reading {
                grid-template-columns: 1fr;
            }
            .brand-block {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 520px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .section--tight {
                padding: var(--space-md) 0;
            }
            .hero__title {
                font-size: clamp(1.6rem, 7vw, 2.2rem);
            }
            .hero__subtitle {
                font-size: 0.92rem;
            }
            .live-bar__row {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .scenario-timeline {
                padding-left: 24px;
            }
            .scenario-item::before {
                left: -18px;
                width: 10px;
                height: 10px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item__date {
                flex-direction: row;
                gap: 4px;
                align-items: baseline;
                min-width: auto;
                padding: 4px 10px;
                font-size: 0.78rem;
            }
            .news-item__date span {
                font-size: 0.9rem;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 480px;
                padding: var(--space-lg) var(--space-sm);
            }
            .hero__search {
                flex-direction: column;
                border-radius: var(--radius-md);
                overflow: visible;
            }
            .hero__search input {
                width: 100%;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-soft);
            }
            .hero__search button {
                width: 100%;
                border-radius: var(--radius-md);
                justify-content: center;
            }
            .hero__cta-row {
                flex-direction: column;
            }
            .hero__cta-row .btn {
                width: 100%;
            }
            .hero__stats {
                gap: var(--space-xs);
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xs);
            }
            .stat-item__value {
                font-size: 1.4rem;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .showcase-card {
                min-height: 160px;
            }
            .brand-block {
                padding: var(--space-md);
            }
            .deep-reading {
                padding: var(--space-md);
            }
            .deep-reading__main h2 {
                font-size: 1.25rem;
            }
            .deep-reading__main h3 {
                font-size: 1.05rem;
            }
            .pricing-card {
                padding: var(--space-md);
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 260px;
            background: #16201A;
            z-index: 99;
            flex-direction: column;
            padding: var(--space-md);
            transform: translateX(-100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-drawer.is-open {
            transform: translateX(0);
        }
        .mobile-drawer__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #FFFFFF;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            text-decoration: none;
        }
        .mobile-drawer__list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-drawer__list li {
            margin-bottom: 2px;
        }
        .mobile-drawer__list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }
        .mobile-drawer__list a i {
            width: 20px;
            color: rgba(255, 255, 255, 0.5);
        }
        .mobile-drawer__list a:hover,
        .mobile-drawer__list a.is-active {
            background: rgba(29, 138, 62, 0.2);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }
        .mobile-drawer__list a.is-active i {
            color: var(--accent-yellow);
        }
        .mobile-drawer__footer {
            margin-top: auto;
            padding-top: var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-drawer__footer a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            text-decoration: none;
            display: block;
            padding: 4px 0;
        }

        @media (max-width: 1024px) {
            .mobile-drawer {
                display: flex;
            }
        }

/* roulang page: category1 */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--bg-warm {
            background: var(--bg-warm);
        }
        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }
        .section--bg-dark h2, .section--bg-dark h3 {
            color: #FFFFFF;
        }
        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }
        .text-weak {
            color: var(--text-weak);
        }
        .text-mid {
            color: var(--text-mid);
        }
        .section-title {
            margin-bottom: var(--space-xs);
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }
        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }
        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }
        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
        }
        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }
        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }
        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        /* Side Navigation */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #16201A;
            color: #E8EFE4;
            display: flex;
            flex-direction: column;
            z-index: 40;
            transition: transform var(--transition), width var(--transition);
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
            overflow-y: auto;
        }
        .side-nav-logo {
            display: block;
            padding: var(--space-md) var(--space-md) var(--space-sm);
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
        }
        .side-nav-logo:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.04);
        }
        .logo-main {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            display: block;
            color: #FFFFFF;
        }
        .logo-main i {
            color: var(--accent-yellow);
            margin-right: 6px;
        }
        .logo-sub {
            font-size: 0.7rem;
            color: #8FA88A;
            display: block;
            margin-top: 4px;
            letter-spacing: 0.02em;
        }
        .side-nav-links {
            list-style: none;
            margin: 0;
            padding: var(--space-sm) 0;
            flex: 1;
        }
        .side-nav-links li {
            margin: 0;
        }
        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px var(--space-md);
            color: #C5D6BE;
            font-size: 0.92rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .side-nav-link .nav-icon {
            font-size: 1.2rem;
            line-height: 1;
            color: var(--accent-yellow);
            flex-shrink: 0;
        }
        .side-nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }
        .side-nav-link.active {
            background: rgba(29, 138, 62, 0.3);
            color: #FFFFFF;
            border-left-color: var(--primary-green);
            font-weight: 600;
        }
        .side-nav-link.active .nav-icon {
            color: var(--accent-yellow);
        }
        .side-nav-footer {
            padding: var(--space-sm) var(--space-md);
            font-size: 0.7rem;
            color: #6B7E6B;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            letter-spacing: 0.03em;
        }
        /* Mobile Topbar */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #16201A;
            color: #FFFFFF;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space-sm);
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar__logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar__logo i {
            color: var(--accent-yellow);
        }
        .mobile-topbar__toggle {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .mobile-topbar__toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        /* Main Content */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition);
        }
        /* Category Hero */
        .cat-hero {
            position: relative;
            background-image: linear-gradient(135deg, rgba(22, 32, 26, 0.82) 0%, rgba(15, 92, 40, 0.72) 55%, rgba(29, 138, 62, 0.68) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            padding: var(--space-xl) var(--space-md) var(--space-lg);
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            margin: var(--space-md);
            margin-bottom: 0;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange), var(--primary-green));
        }
        .cat-hero h1 {
            color: #FFFFFF;
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .cat-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: var(--space-md);
            line-height: 1.9;
        }
        .cat-hero__meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .cat-hero__meta i {
            color: var(--accent-yellow);
            margin-right: 6px;
        }
        /* Filter Bar */
        .filter-bar {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            box-shadow: var(--card-shadow);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin: var(--space-md) 0;
        }
        .filter-bar__label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-mid);
            margin-right: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-pill {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1.5px solid var(--border-soft);
            background: #FFFFFF;
            color: var(--text-mid);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-pill:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: rgba(29, 138, 62, 0.06);
        }
        .filter-pill.active {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }
        /* Featured Article */
        .featured-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            margin-bottom: var(--space-lg);
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 0;
        }
        .featured-card__img {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .featured-card__img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(transparent, rgba(22, 32, 26, 0.7));
            pointer-events: none;
        }
        .featured-card__body {
            padding: var(--space-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--space-sm);
        }
        .featured-card__body h2 {
            margin: 0;
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.45;
        }
        .featured-card__body p {
            color: var(--text-mid);
            margin: 0;
        }
        .featured-card__meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }
        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--space-md);
        }
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .news-card__img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .news-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition);
        }
        .news-card:hover .news-card__img img {
            transform: scale(1.04);
        }
        .news-card__img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: #FFFFFF;
            color: var(--primary-green);
            box-shadow: 0 2px 8px rgba(0,0,0,0.12);
        }
        .news-card__body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            flex: 1;
        }
        .news-card__body h3 {
            margin: 0;
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.5;
        }
        .news-card__body h3 a {
            color: var(--text-dark);
        }
        .news-card__body h3 a:hover {
            color: var(--primary-green);
        }
        .news-card__body p {
            color: var(--text-mid);
            font-size: 0.9rem;
            margin: 0;
            flex: 1;
        }
        .news-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding-top: var(--space-xs);
            border-top: 1px solid var(--border-soft);
        }
        .news-card__date {
            font-size: 0.8rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card__link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card__link:hover {
            color: var(--primary-dark);
        }
        /* Match Schedule Strip */
        .schedule-strip {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: var(--space-md);
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--space-sm);
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: var(--space-sm);
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            transition: all var(--transition);
        }
        .schedule-item:hover {
            background: rgba(29, 138, 62, 0.06);
        }
        .schedule-item__time {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-green);
            min-width: 42px;
            text-align: center;
        }
        .schedule-item__match {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-dark);
            flex: 1;
            line-height: 1.4;
        }
        .schedule-item__league {
            font-size: 0.7rem;
            color: var(--text-weak);
            white-space: nowrap;
        }
        /* Hot Topics */
        .hot-topics {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: var(--space-sm);
        }
        .topic-chip {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            box-shadow: var(--card-shadow);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-mid);
        }
        .topic-chip:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            color: var(--primary-green);
        }
        .topic-chip i {
            color: var(--accent-orange);
            font-size: 0.9rem;
        }
        .topic-chip .topic-tag {
            background: rgba(29, 138, 62, 0.1);
            color: var(--primary-green);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 12px;
            margin-left: auto;
            white-space: nowrap;
        }
        /* Deep Reading */
        .deep-reading {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: var(--space-lg);
            max-width: 760px;
            margin: 0 auto;
        }
        .deep-reading h2 {
            margin-top: 0;
            font-weight: 700;
            line-height: 1.4;
        }
        .deep-reading h3 {
            font-weight: 700;
            margin-top: var(--space-md);
            margin-bottom: var(--space-xs);
        }
        .deep-reading p {
            color: var(--text-mid);
            margin-bottom: var(--space-sm);
        }
        .deep-reading blockquote {
            border-left: 4px solid var(--accent-yellow);
            padding: var(--space-sm) var(--space-md);
            background: var(--bg-warm);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-mid);
            margin: var(--space-sm) 0;
        }
        .deep-reading table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--space-sm) 0;
            font-size: 0.9rem;
        }
        .deep-reading table th {
            background: var(--bg-light);
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
            color: var(--text-dark);
            border-bottom: 2px solid var(--primary-green);
        }
        .deep-reading table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-mid);
        }
        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 60%, var(--primary-mid) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(242, 201, 76, 0.12);
        }
        .subscribe-cta h2 {
            color: #FFFFFF;
            margin-top: 0;
        }
        .subscribe-cta p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: var(--space-sm);
            max-width: 560px;
        }
        .subscribe-form input {
            flex: 1;
            min-height: 44px;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            font-size: 0.95rem;
            min-width: 200px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-yellow);
            background: rgba(255, 255, 255, 0.2);
            outline: none;
            box-shadow: 0 0 0 4px rgba(242, 201, 76, 0.2);
        }
        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            margin-bottom: var(--space-sm);
            overflow: hidden;
        }
        .faq-item__header {
            padding: var(--space-sm) var(--space-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            transition: all var(--transition);
            gap: 12px;
            background: #FFFFFF;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item__header:hover {
            background: var(--bg-light);
        }
        .faq-item__header i {
            color: var(--primary-green);
            transition: transform var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-item__header i {
            transform: rotate(180deg);
        }
        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 var(--space-md);
            color: var(--text-mid);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-item__body {
            max-height: 400px;
            padding: 0 var(--space-md) var(--space-sm);
        }
        /* Footer */
        .site-footer {
            background: #16201A;
            color: #E8EFE4;
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: auto;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
        }
        .site-footer__brand h3 {
            color: #FFFFFF;
            margin-bottom: var(--space-sm);
            font-weight: 700;
        }
        .site-footer__brand p {
            color: #A8B8A0;
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: var(--space-xs);
        }
        .site-footer ul a {
            color: #A8B8A0;
            font-size: 0.87rem;
            transition: color var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent-yellow);
        }
        .site-footer__bottom {
            margin-top: var(--space-lg);
            padding-top: var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 0.72rem;
            color: #6B7E6B;
            align-items: center;
        }
        .site-footer__bottom a {
            color: #8FA88A;
            font-size: 0.72rem;
        }
        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
                width: 260px;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .cat-hero {
                margin: var(--space-sm);
                min-height: 260px;
            }
            .cat-hero h1 {
                font-size: 1.8rem;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card__img {
                min-height: 240px;
            }
            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
        }
        @media (max-width: 640px) {
            .cat-hero {
                min-height: 240px;
                padding: var(--space-lg) var(--space-sm);
                margin: var(--space-xs);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .cat-hero h1 {
                font-size: 1.5rem;
            }
            .cat-hero p {
                font-size: 0.9rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .schedule-strip {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                padding: var(--space-xs) var(--space-sm);
                gap: 6px;
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .deep-reading {
                padding: var(--space-md);
            }
            .subscribe-cta {
                padding: var(--space-md);
            }
        }
        /* Off-canvas overlay */
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 35;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .nav-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

/* roulang page: category3 */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-dark);
            margin: 0 0 var(--space-sm) 0;
        }
        h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.55rem, 2.6vw, 2.1rem);
        }
        h3 {
            font-size: 1.25rem;
        }
        h4 {
            font-size: 1.05rem;
        }
        p {
            margin: 0 0 var(--space-sm) 0;
        }
        ul,
        ol {
            padding-left: 1.3rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--bg-warm {
            background: var(--bg-warm);
        }
        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }
        .section--bg-dark h2,
        .section--bg-dark h3 {
            color: #FFFFFF;
        }
        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }
        .text-weak {
            color: var(--text-weak);
        }
        .text-mid {
            color: var(--text-mid);
        }
        .section-title {
            margin-bottom: var(--space-xs);
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }
        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }
        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }
        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
        }
        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }
        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }
        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .card__body {
            padding: var(--space-md);
        }
        .card__img {
            height: 180px;
            object-fit: cover;
            width: 100%;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card__title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text-dark);
        }
        .card__text {
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: var(--space-sm);
        }
        .card__link {
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card__link i {
            transition: transform var(--transition);
        }
        .card__link:hover i {
            transform: translateX(4px);
        }

        /* Side Navigation */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #142017;
            color: #E8EFE4;
            padding: var(--space-md) var(--space-sm);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            z-index: 100;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
        }
        .side-nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: var(--space-xs) var(--space-sm) var(--space-sm);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: var(--space-sm);
            color: #FFFFFF;
        }
        .side-nav-logo:hover {
            color: #FFFFFF;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .logo-main {
            font-size: 1.2rem;
            font-weight: 700;
            line-height: 1.2;
            color: #FFFFFF;
        }
        .logo-sub {
            font-size: 0.72rem;
            color: #A8B8A0;
            display: block;
            font-weight: 400;
            letter-spacing: 0.03em;
        }
        .side-nav-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            color: #C4D4BA;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            line-height: 1.4;
        }
        .side-nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
        }
        .side-nav-link.active {
            background: rgba(29, 138, 62, 0.35);
            color: #FFFFFF;
            border-left: 3px solid var(--accent-yellow);
            font-weight: 600;
        }
        .nav-icon {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .side-nav-footer {
            margin-top: auto;
            padding: var(--space-sm);
            font-size: 0.72rem;
            color: #6B7E6B;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
        }
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #142017;
            z-index: 90;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space-sm);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar__brand {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hamburger {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 200;
        }
        .mobile-drawer__panel {
            width: 280px;
            background: #142017;
            height: 100%;
            padding: var(--space-md);
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .mobile-drawer__panel.open {
            transform: translateX(0);
        }
        .mobile-drawer .side-nav-links {
            margin-top: var(--space-md);
        }
        .drawer-close {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            position: absolute;
            right: 12px;
            top: 12px;
        }

        /* Hero Section */
        .hero-community {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(14, 40, 24, 0.88) 0%, rgba(20, 56, 32, 0.78) 55%, rgba(30, 75, 40, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .hero-community__inner {
            width: 100%;
            padding: var(--space-xl) 0;
            color: #FFFFFF;
        }
        .hero-community__title {
            color: #FFFFFF;
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: var(--space-sm);
            max-width: 700px;
        }
        .hero-community__subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 580px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }
        .hero-community__stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }
        .hero-community__stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            min-width: 110px;
            text-align: center;
            backdrop-filter: blur(4px);
        }
        .hero-community__stat-num {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-yellow);
        }
        .hero-community__stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .group-buy-panel {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            max-width: 520px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
            color: var(--text-dark);
            margin-top: var(--space-sm);
        }
        .group-buy-panel__title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }
        .group-buy-panel__progress {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: var(--space-sm);
        }
        .progress-bar {
            flex: 1;
            min-width: 160px;
            height: 10px;
            background: #E4EDE0;
            border-radius: 20px;
            overflow: hidden;
        }
        .progress-bar__fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-green), var(--primary-mid));
            border-radius: 20px;
            transition: width 0.6s ease;
        }
        .group-buy-panel__count {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .group-buy-panel__actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* Feature Section */
        .features-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--space-md);
        }
        .features-grid__main {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        .features-grid__side {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        .feature-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .feature-card__icon {
            width: 44px;
            height: 44px;
            background: rgba(29, 138, 62, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-green);
            margin-bottom: var(--space-xs);
        }
        .feature-card__title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .feature-card__desc {
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* Topic Section */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .topic-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            transition: all var(--transition);
        }
        .topic-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateX(4px);
        }
        .topic-item__rank {
            width: 36px;
            height: 36px;
            background: var(--bg-warm);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary-green);
            flex-shrink: 0;
        }
        .topic-item__content {
            flex: 1;
        }
        .topic-item__title {
            font-weight: 700;
            margin-bottom: 4px;
            font-size: 0.98rem;
        }
        .topic-item__meta {
            display: flex;
            gap: var(--space-sm);
            font-size: 0.78rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        /* Circle Section */
        .circle-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }
        .circle-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
        }
        .circle-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .circle-card__img {
            height: 150px;
            object-fit: cover;
            width: 100%;
            border-radius: 0;
        }
        .circle-card__body {
            padding: var(--space-md);
        }
        .circle-card__title {
            font-weight: 700;
            margin-bottom: 4px;
        }
        .circle-card__info {
            font-size: 0.82rem;
            color: var(--text-weak);
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-xs);
        }
        .circle-card__desc {
            color: var(--text-mid);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        /* Steps Section */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            position: relative;
        }
        .step-flow__item {
            text-align: left;
            padding: var(--space-md);
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            position: relative;
            transition: all var(--transition);
        }
        .step-flow__item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .step-flow__num {
            font-size: 2.5rem;
            font-weight: 700;
            color: rgba(29, 138, 62, 0.2);
            line-height: 1;
            margin-bottom: var(--space-xs);
        }
        .step-flow__title {
            font-weight: 700;
            margin-bottom: 4px;
            font-size: 0.98rem;
        }
        .step-flow__desc {
            color: var(--text-mid);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* Story Section */
        .story-flex {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
        }
        .story-flex__img {
            flex: 1;
            min-width: 0;
        }
        .story-flex__img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .story-flex__text {
            flex: 1;
            min-width: 0;
        }
        .story-flex__text blockquote {
            border-left: 4px solid var(--accent-yellow);
            padding: var(--space-sm) var(--space-md);
            background: var(--bg-warm);
            border-radius: var(--radius-sm);
            margin: var(--space-sm) 0;
            font-style: italic;
            color: var(--text-mid);
        }

        /* Guide Section */
        .guide-box {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
        }
        .guide-box__item h4 {
            color: var(--primary-green);
        }
        .guide-box__item ul {
            list-style: none;
            padding: 0;
        }
        .guide-box__item ul li {
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-soft);
            display: flex;
            gap: 8px;
            align-items: flex-start;
            font-size: 0.9rem;
            color: var(--text-mid);
        }
        .guide-box__item ul li i {
            color: var(--primary-green);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--card-shadow-hover);
        }
        .faq-item__question {
            padding: var(--space-md);
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--text-dark);
        }
        .faq-item__question i {
            transition: transform var(--transition);
            color: var(--primary-green);
        }
        .faq-item__answer {
            padding: 0 var(--space-md) var(--space-md) var(--space-md);
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.active .faq-item__answer {
            display: block;
        }
        .faq-item.active .faq-item__question i {
            transform: rotate(180deg);
        }

        /* CTA Section */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-green));
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            color: #FFFFFF;
            text-align: left;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
        }
        .cta-panel__title {
            color: #FFFFFF;
            font-size: 1.6rem;
            margin-bottom: var(--space-xs);
        }
        .cta-panel__text {
            color: rgba(255, 255, 255, 0.85);
            max-width: 500px;
            line-height: 1.75;
        }
        .cta-panel__actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* Site Footer */
        .site-footer {
            background: #142017;
            color: #C4D4BA;
            padding: var(--space-xl) 0 var(--space-md);
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer__brand h3 {
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer__brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #A8B8A0;
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #A8B8A0;
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent-yellow);
        }
        .site-footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm) var(--space-md);
            padding-top: var(--space-sm);
            font-size: 0.78rem;
            color: #6B7E6B;
            align-items: center;
        }
        .site-footer__bottom a {
            color: #6B7E6B;
        }
        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 220px;
            }
            .step-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .circle-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-flex {
                flex-direction: column;
            }
            .story-flex__img img {
                height: 240px;
            }
            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }
            .side-nav {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .hero-community {
                min-height: auto;
                padding: var(--space-lg) 0;
            }
            .hero-community__inner {
                padding: var(--space-md) 0;
            }
            .hero-community__title {
                font-size: 2rem;
            }
            .hero-community__stats {
                gap: var(--space-sm);
            }
            .hero-community__stat {
                min-width: 90px;
                padding: var(--space-xs) var(--space-sm);
            }
            .step-flow {
                grid-template-columns: 1fr;
            }
            .circle-grid {
                grid-template-columns: 1fr;
            }
            .guide-box {
                grid-template-columns: 1fr;
                padding: var(--space-md);
            }
            .cta-panel {
                padding: var(--space-lg) var(--space-md);
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .group-buy-panel__actions {
                flex-direction: column;
            }
            .group-buy-panel__actions .btn {
                width: 100%;
            }
            .features-grid__main,
            .features-grid__side {
                gap: var(--space-sm);
            }
            .topic-item {
                flex-direction: column;
                gap: var(--space-xs);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .hero-community__title {
                font-size: 1.7rem;
            }
            .hero-community__stats {
                gap: 6px;
            }
            .hero-community__stat {
                min-width: 80px;
                padding: 6px 10px;
            }
            .hero-community__stat-num {
                font-size: 1.05rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
                min-height: 40px;
            }
            .card__img {
                height: 150px;
            }
            .story-flex__img img {
                height: 200px;
            }
        }

/* roulang page: category2 */
:root {
        --primary-green: #1D8A3E;
        --primary-dark: #0F5C28;
        --primary-mid: #2EA653;
        --accent-yellow: #F2C94C;
        --accent-orange: #F2994A;
        --bg-light: #F5F7F0;
        --bg-warm: #F7F5EF;
        --text-dark: #1E2A1E;
        --text-mid: #3A4D3A;
        --text-weak: #6B7E6B;
        --border-soft: #DCE5D8;
        --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
        --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --space-xs: 8px;
        --space-sm: 16px;
        --space-md: 24px;
        --space-lg: 40px;
        --space-xl: 64px;
        --space-xxl: 96px;
        --nav-width: 248px;
        --nav-collapsed-width: 72px;
        --topbar-height: 60px;
        --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-dark);
        background: var(--bg-light);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--primary-green);
        text-decoration: none;
        transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    a:hover {
        color: var(--primary-dark);
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-md);
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        outline: none;
    }

    button {
        cursor: pointer;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid var(--accent-yellow);
        outline-offset: 2px;
    }

    .container {
        max-width: 1160px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-xl) 0;
    }

    .section--tight {
        padding: var(--space-lg) 0;
    }

    .section--bg-warm {
        background: var(--bg-warm);
    }

    .section--bg-dark {
        background: #16201A;
        color: #E8EFE4;
    }

    .section--bg-dark h2,
    .section--bg-dark h3 {
        color: #FFFFFF;
    }

    .section--bg-dark .text-weak {
        color: #A8B8A0;
    }

    .text-weak {
        color: var(--text-weak);
    }

    .text-mid {
        color: var(--text-mid);
    }

    .section-title {
        font-size: 1.75rem;
        font-weight: 700;
        margin-bottom: var(--space-xs);
        color: var(--text-dark);
        line-height: 1.3;
    }

    .section-subtitle {
        color: var(--text-weak);
        font-size: 1.05rem;
        margin-bottom: var(--space-lg);
        max-width: 640px;
        line-height: 1.7;
    }

    .tag {
        display: inline-block;
        background: rgba(29, 138, 62, 0.08);
        color: var(--primary-green);
        font-size: 0.8rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        letter-spacing: 0.02em;
        margin-bottom: var(--space-xs);
    }

    .tag--yellow {
        background: rgba(242, 201, 76, 0.15);
        color: #8A6D0B;
    }

    .tag--orange {
        background: rgba(242, 153, 74, 0.15);
        color: #C56A1A;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 0.95rem;
        border: 2px solid transparent;
        transition: all var(--transition);
        min-height: 44px;
        justify-content: center;
        text-align: center;
        line-height: 1.4;
        white-space: nowrap;
        text-decoration: none !important;
    }

    .btn--primary {
        background: var(--primary-green);
        color: #FFFFFF;
        border-color: var(--primary-green);
    }

    .btn--primary:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
    }

    .btn--primary:active {
        transform: translateY(0);
    }

    .btn--secondary {
        background: transparent;
        color: var(--primary-green);
        border-color: var(--primary-green);
    }

    .btn--secondary:hover {
        background: rgba(29, 138, 62, 0.08);
        color: var(--primary-dark);
        border-color: var(--primary-dark);
        transform: translateY(-2px);
    }

    .btn--light {
        background: #FFFFFF;
        color: var(--primary-green);
        border-color: #FFFFFF;
    }

    .btn--light:hover {
        background: var(--bg-light);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
    }

    .btn--outline-light {
        background: transparent;
        color: #FFFFFF;
        border-color: rgba(255, 255, 255, 0.6);
    }

    .btn--outline-light:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #FFFFFF;
        border-color: #FFFFFF;
        transform: translateY(-2px);
    }

    /* ===== Side Navigation ===== */
    .side-nav {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--nav-width);
        background: #16201A;
        color: #E8EFE4;
        z-index: 100;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        padding: var(--space-md) var(--space-sm);
        border-right: 1px solid rgba(255, 255, 255, 0.08);
    }

    .side-nav-logo {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-sm) var(--space-md);
        margin-bottom: var(--space-md);
        text-decoration: none;
        border-radius: var(--radius-md);
        transition: background var(--transition);
    }

    .side-nav-logo:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .logo-main {
        font-size: 1.35rem;
        font-weight: 700;
        color: #FFFFFF;
        letter-spacing: 0.02em;
        line-height: 1.2;
    }

    .logo-sub {
        font-size: 0.68rem;
        color: #8AA78A;
        letter-spacing: 0.03em;
        line-height: 1.4;
    }

    .side-nav-links {
        list-style: none;
        margin: 0;
        padding: 0;
        flex: 1;
    }

    .side-nav-links li {
        margin-bottom: 2px;
    }

    .side-nav-link {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 11px 16px;
        color: #C8D8C8;
        font-size: 0.92rem;
        font-weight: 500;
        border-radius: var(--radius-sm);
        text-decoration: none;
        transition: all var(--transition);
        border-left: 3px solid transparent;
    }

    .side-nav-link:hover {
        color: #FFFFFF;
        background: rgba(255, 255, 255, 0.06);
    }

    .side-nav-link.active {
        color: #FFFFFF;
        background: rgba(29, 138, 62, 0.25);
        border-left-color: var(--accent-yellow);
        font-weight: 600;
    }

    .nav-icon {
        font-size: 0.7rem;
        color: var(--accent-yellow);
        flex-shrink: 0;
    }

    .side-nav-footer {
        font-size: 0.68rem;
        color: #5F7A5F;
        text-align: center;
        padding-top: var(--space-sm);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: var(--space-sm);
    }

    /* ===== Main Content ===== */
    .main-content {
        margin-left: var(--nav-width);
        min-height: 100vh;
    }

    /* ===== Mobile Topbar ===== */
    .mobile-topbar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--topbar-height);
        background: #16201A;
        z-index: 99;
        align-items: center;
        justify-content: space-between;
        padding: 0 var(--space-md);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }

    .mobile-topbar__brand {
        font-size: 1.1rem;
        font-weight: 700;
        color: #FFFFFF;
        text-decoration: none;
    }

    .mobile-topbar__toggle {
        background: transparent;
        border: none;
        color: #FFFFFF;
        font-size: 1.4rem;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        transition: background var(--transition);
    }

    .mobile-topbar__toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    /* ===== Mobile Drawer Overlay ===== */
    .drawer-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 98;
        opacity: 0;
        transition: opacity var(--transition);
    }

    .drawer-overlay.open {
        opacity: 1;
    }

    /* ===== Hero ===== */
    .hero {
        min-height: 520px;
        display: flex;
        align-items: center;
        position: relative;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        border-radius: 0;
    }

    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(16, 32, 20, 0.82) 0%, rgba(16, 32, 20, 0.55) 55%, rgba(29, 138, 62, 0.45) 100%);
        z-index: 1;
    }

    .hero .container {
        position: relative;
        z-index: 2;
    }

    .hero__content {
        max-width: 680px;
        padding: var(--space-xl) 0;
    }

    .hero__badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent-yellow);
        color: #1E2A1E;
        font-weight: 700;
        font-size: 0.8rem;
        padding: 8px 18px;
        border-radius: 30px;
        margin-bottom: var(--space-md);
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }

    .hero__badge i {
        font-size: 0.9rem;
    }

    .hero__title {
        font-size: 2.6rem;
        font-weight: 800;
        color: #FFFFFF;
        line-height: 1.25;
        margin-bottom: var(--space-sm);
        letter-spacing: 0.01em;
    }

    .hero__subtitle {
        font-size: 1.1rem;
        color: rgba(232, 239, 228, 0.9);
        line-height: 1.7;
        margin-bottom: var(--space-lg);
        max-width: 560px;
    }

    .hero__actions {
        display: flex;
        gap: var(--space-sm);
        flex-wrap: wrap;
        margin-bottom: var(--space-lg);
    }

    .hero__stats {
        display: flex;
        gap: var(--space-md);
        flex-wrap: wrap;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        padding-top: var(--space-md);
    }

    .hero__stat {
        text-align: left;
    }

    .hero__stat-value {
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--accent-yellow);
        line-height: 1.2;
    }

    .hero__stat-label {
        font-size: 0.8rem;
        color: rgba(232, 239, 228, 0.7);
    }

    /* ===== Data Banner ===== */
    .data-banner {
        background: var(--primary-dark);
        color: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--space-md) var(--space-lg);
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-md);
        margin-top: -40px;
        position: relative;
        z-index: 3;
        box-shadow: 0 8px 30px rgba(30, 42, 30, 0.15);
    }

    .data-banner__item {
        text-align: center;
        padding: var(--space-sm);
    }

    .data-banner__value {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--accent-yellow);
        line-height: 1.3;
    }

    .data-banner__label {
        font-size: 0.8rem;
        color: rgba(232, 239, 228, 0.75);
    }

    /* ===== Cards ===== */
    .card {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        box-shadow: var(--card-shadow);
        padding: var(--space-md);
        transition: all var(--transition);
        border: 1px solid var(--border-soft);
        height: 100%;
    }

    .card:hover {
        box-shadow: var(--card-shadow-hover);
        transform: translateY(-4px);
    }

    .card__title {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: var(--space-xs);
        color: var(--text-dark);
        line-height: 1.4;
    }

    .card__text {
        font-size: 0.92rem;
        color: var(--text-mid);
        line-height: 1.75;
    }

    .card__icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        margin-bottom: var(--space-sm);
        background: rgba(29, 138, 62, 0.08);
        color: var(--primary-green);
    }

    .card__icon--yellow {
        background: rgba(242, 201, 76, 0.15);
        color: #8A6D0B;
    }

    .card__icon--orange {
        background: rgba(242, 153, 74, 0.15);
        color: #C56A1A;
    }

    /* ===== Grid Layouts ===== */
    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    /* ===== Ranking Table ===== */
    .ranking-table {
        width: 100%;
        border-collapse: collapse;
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--card-shadow);
    }

    .ranking-table th {
        background: var(--primary-dark);
        color: #FFFFFF;
        font-weight: 600;
        font-size: 0.82rem;
        text-align: left;
        padding: 12px 16px;
        letter-spacing: 0.03em;
    }

    .ranking-table td {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border-soft);
        font-size: 0.9rem;
        color: var(--text-mid);
    }

    .ranking-table tr:last-child td {
        border-bottom: none;
    }

    .ranking-table tr:hover td {
        background: rgba(29, 138, 62, 0.04);
    }

    .ranking-table .rank {
        font-weight: 700;
        color: var(--primary-green);
        font-size: 1rem;
        width: 50px;
    }

    .ranking-table .rank--top {
        color: var(--accent-orange);
    }

    .ranking-table .team-name {
        font-weight: 600;
        color: var(--text-dark);
    }

    /* ===== Progress Bar ===== */
    .progress-bar {
        background: var(--border-soft);
        border-radius: 20px;
        height: 8px;
        overflow: hidden;
        margin-top: var(--space-xs);
    }

    .progress-bar__fill {
        height: 100%;
        background: var(--primary-green);
        border-radius: 20px;
        transition: width 0.6s ease;
    }

    .progress-bar__fill--yellow {
        background: var(--accent-yellow);
    }

    .progress-bar__fill--orange {
        background: var(--accent-orange);
    }

    /* ===== FAQ ===== */
    .accordion-item {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        box-shadow: var(--card-shadow);
        margin-bottom: var(--space-sm);
        overflow: hidden;
        border: 1px solid var(--border-soft);
    }

    .accordion-title {
        padding: var(--space-sm) var(--space-md);
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-dark);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: background var(--transition);
    }

    .accordion-title:hover {
        background: rgba(29, 138, 62, 0.05);
    }

    .accordion-title .fa-chevron-down {
        transition: transform var(--transition);
        font-size: 0.8rem;
        color: var(--text-weak);
    }

    .accordion-title[aria-expanded="true"] .fa-chevron-down {
        transform: rotate(180deg);
    }

    .accordion-content {
        padding: 0 var(--space-md) var(--space-md);
        font-size: 0.9rem;
        color: var(--text-mid);
        line-height: 1.75;
        display: none;
    }

    .accordion-content.open {
        display: block;
    }

    /* ===== CTA ===== */
    .cta-box {
        background: var(--primary-dark);
        border-radius: var(--radius-xl);
        padding: var(--space-xl) var(--space-lg);
        text-align: center;
        color: #FFFFFF;
        position: relative;
        overflow: hidden;
    }

    .cta-box::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 300px;
        height: 300px;
        background: rgba(242, 201, 76, 0.1);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-box::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 250px;
        height: 250px;
        background: rgba(29, 138, 62, 0.3);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-box h2 {
        font-size: 1.8rem;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: var(--space-sm);
        position: relative;
        z-index: 1;
    }

    .cta-box p {
        color: rgba(232, 239, 228, 0.85);
        margin-bottom: var(--space-lg);
        position: relative;
        z-index: 1;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-box .btn {
        position: relative;
        z-index: 1;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #16201A;
        color: #C8D8C8;
        padding: var(--space-xl) 0 var(--space-md);
        margin-top: var(--space-xl);
    }

    .site-footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-lg);
        margin-bottom: var(--space-lg);
    }

    .site-footer__brand h3 {
        font-size: 1.2rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: var(--space-sm);
    }

    .site-footer__brand p {
        font-size: 0.87rem;
        color: #9AB09A;
        line-height: 1.7;
    }

    .site-footer h4 {
        font-size: 0.85rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: var(--space-sm);
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }

    .site-footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .site-footer ul li {
        margin-bottom: var(--space-xs);
    }

    .site-footer ul a {
        color: #9AB09A;
        font-size: 0.87rem;
        text-decoration: none;
        transition: color var(--transition);
    }

    .site-footer ul a:hover {
        color: var(--accent-yellow);
    }

    .site-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: var(--space-md);
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-sm);
        justify-content: space-between;
        align-items: center;
        font-size: 0.75rem;
        color: #6F8A6F;
    }

    .site-footer__bottom a {
        color: #8AA78A;
        font-size: 0.75rem;
        text-decoration: none;
        transition: color var(--transition);
    }

    .site-footer__bottom a:hover {
        color: var(--accent-yellow);
    }

    /* ===== Section-specific ===== */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .feature-grid .card:nth-child(2) {
        grid-column: span 2;
    }

    .feature-grid .card:nth-child(3) {
        grid-column: span 2;
    }

    .feature-grid .card:nth-child(4) {
        grid-column: span 1;
    }

    /* ===== Image Panel ===== */
    .image-panel {
        border-radius: var(--radius-lg);
        overflow: hidden;
        position: relative;
        min-height: 280px;
    }

    .image-panel img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--radius-lg);
    }

    .image-panel__overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(16, 32, 20, 0.7) 0%, transparent 60%);
        display: flex;
        align-items: flex-end;
        padding: var(--space-md);
        border-radius: var(--radius-lg);
    }

    .image-panel__text {
        color: #FFFFFF;
        font-size: 0.95rem;
        font-weight: 600;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .side-nav {
            width: var(--nav-collapsed-width);
            padding: var(--space-sm) var(--space-xs);
        }
        .side-nav-logo {
            padding: var(--space-xs);
            align-items: center;
        }
        .logo-sub {
            display: none;
        }
        .logo-main {
            font-size: 1rem;
        }
        .side-nav-link {
            justify-content: center;
            padding: 10px;
            border-left: none;
        }
        .side-nav-link span:not(.nav-icon) {
            display: none;
        }
        .nav-icon {
            font-size: 0.85rem;
        }
        .side-nav-footer {
            display: none;
        }
        .main-content {
            margin-left: var(--nav-collapsed-width);
        }
        .hero__title {
            font-size: 2rem;
        }
        .data-banner {
            grid-template-columns: repeat(2, 1fr);
        }
        .feature-grid {
            grid-template-columns: 1fr 1fr;
        }
        .feature-grid .card:nth-child(2),
        .feature-grid .card:nth-child(3) {
            grid-column: auto;
        }
        .site-footer__grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .side-nav {
            display: none;
        }
        .mobile-topbar {
            display: flex;
        }
        .drawer-overlay {
            display: block;
        }
        .main-content {
            margin-left: 0;
            padding-top: var(--topbar-height);
        }
        .hero {
            min-height: 420px;
        }
        .hero__title {
            font-size: 1.6rem;
        }
        .hero__subtitle {
            font-size: 0.95rem;
        }
        .hero__stats {
            gap: var(--space-xs);
        }
        .hero__stat-value {
            font-size: 1.2rem;
        }
        .section {
            padding: var(--space-lg) 0;
        }
        .grid-2,
        .grid-3 {
            grid-template-columns: 1fr;
        }
        .feature-grid {
            grid-template-columns: 1fr;
        }
        .feature-grid .card:nth-child(2),
        .feature-grid .card:nth-child(3) {
            grid-column: auto;
        }
        .data-banner {
            grid-template-columns: repeat(2, 1fr);
            padding: var(--space-sm);
            gap: var(--space-xs);
        }
        .data-banner__value {
            font-size: 1.3rem;
        }
        .site-footer__grid {
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }
        .site-footer__bottom {
            flex-direction: column;
            text-align: center;
        }
        .cta-box {
            padding: var(--space-lg) var(--space-md);
        }
        .cta-box h2 {
            font-size: 1.3rem;
        }
        .hero__actions {
            flex-direction: column;
            align-items: stretch;
        }
        .hero__actions .btn {
            width: 100%;
        }
    }

    @media (max-width: 520px) {
        .hero {
            min-height: 380px;
        }
        .hero__title {
            font-size: 1.35rem;
        }
        .hero__subtitle {
            font-size: 0.88rem;
        }
        .data-banner__value {
            font-size: 1.1rem;
        }
        .data-banner__label {
            font-size: 0.68rem;
        }
        .btn {
            font-size: 0.88rem;
            padding: 10px 20px;
            min-height: 40px;
        }
        .section-title {
            font-size: 1.4rem;
        }
    }

    /* ===== Mobile Drawer ===== */
    .mobile-drawer {
        position: fixed;
        top: var(--topbar-height);
        left: 0;
        width: 280px;
        bottom: 0;
        background: #16201A;
        z-index: 97;
        transform: translateX(-100%);
        transition: transform var(--transition);
        overflow-y: auto;
        padding: var(--space-md);
        display: none;
    }

    .mobile-drawer.open {
        transform: translateX(0);
    }

    .mobile-drawer .side-nav-logo {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: var(--space-md);
    }

    .mobile-drawer .side-nav-links {
        display: block;
    }

    .mobile-drawer .side-nav-link {
        justify-content: flex-start;
        padding: 12px 16px;
    }

    .mobile-drawer .side-nav-link span:not(.nav-icon) {
        display: inline;
    }

    .mobile-drawer .logo-sub {
        display: block;
    }

    @media (max-width: 768px) {
        .mobile-drawer {
            display: block;
        }
    }

/* roulang page: category6 */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --nav-collapsed-width: 72px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xl) 0;
        }

        .section--tight {
            padding: var(--space-lg) 0;
        }

        .section--bg-warm {
            background: var(--bg-warm);
        }

        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }

        .section--bg-dark h2,
        .section--bg-dark h3 {
            color: #FFFFFF;
        }

        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }

        .text-weak {
            color: var(--text-weak);
        }

        .text-mid {
            color: var(--text-mid);
        }

        .section-title {
            margin-bottom: var(--space-xs);
        }

        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }

        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }

        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }

        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }

        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }

        .btn--primary:active {
            transform: translateY(0);
        }

        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }

        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }

        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ========== App Shell 布局 ========== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #1A2B1E;
            color: #E8EFE4;
            display: flex;
            flex-direction: column;
            z-index: 100;
            overflow-y: auto;
            border-right: 3px solid var(--primary-green);
            transition: transform var(--transition), width var(--transition);
        }

        .side-nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: var(--space-md) var(--space-md) var(--space-sm);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            gap: 4px;
            color: #FFFFFF;
        }

        .side-nav-logo:hover {
            color: var(--accent-yellow);
        }

        .logo-main {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-main .fa-futbol {
            color: var(--accent-yellow);
            font-size: 1.2rem;
        }

        .logo-sub {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.04em;
        }

        .side-nav-links {
            list-style: none;
            margin: 0;
            padding: var(--space-sm) 0;
            flex: 1;
        }

        .side-nav-links li {
            margin: 0;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px var(--space-md);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .side-nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }

        .side-nav-link.active {
            background: rgba(29, 138, 62, 0.25);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
            font-weight: 600;
        }

        .nav-icon {
            font-size: 0.7rem;
            color: var(--accent-yellow);
            flex-shrink: 0;
        }

        .side-nav-footer {
            padding: var(--space-sm) var(--space-md);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            letter-spacing: 0.04em;
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #1A2B1E;
            color: #FFFFFF;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space-md);
            z-index: 99;
            border-bottom: 2px solid var(--primary-green);
        }

        .mobile-topbar .logo-main {
            font-size: 1.1rem;
        }

        .mobile-topbar .logo-sub {
            display: none;
        }

        .hamburger-btn {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .side-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .side-nav-overlay.visible {
            opacity: 1;
        }

        /* ========== Hero ========== */
        .page-hero {
            background: linear-gradient(135deg, rgba(10, 40, 20, 0.88) 0%, rgba(22, 32, 26, 0.92) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            color: #FFFFFF;
            padding: var(--space-xxl) 0 var(--space-xl);
            border-bottom: 4px solid var(--accent-yellow);
            position: relative;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: repeating-linear-gradient(90deg, var(--primary-green) 0, var(--primary-green) 40px, transparent 40px, transparent 80px);
            opacity: 0.5;
        }

        .page-hero h1 {
            color: #FFFFFF;
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.04em;
            line-height: 1.3;
        }

        .page-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: var(--space-md);
        }

        .hero-metrics {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            margin-top: var(--space-md);
        }

        .hero-metric-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.08);
            padding: 8px 16px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-metric-item i {
            color: var(--accent-yellow);
            font-size: 1rem;
        }

        /* ========== 内容区 ========== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            padding: 12px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--primary-green);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary-dark);
        }

        .breadcrumb-sep {
            color: var(--border-soft);
        }

        /* ========== 筛选栏 ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: var(--space-md);
        }

        .filter-btn {
            padding: 8px 18px;
            border-radius: 24px;
            border: 2px solid var(--border-soft);
            background: #FFFFFF;
            color: var(--text-mid);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition);
            min-height: 38px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .filter-btn:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: rgba(29, 138, 62, 0.04);
        }

        .filter-btn.active {
            border-color: var(--primary-green);
            background: var(--primary-green);
            color: #FFFFFF;
        }

        /* ========== 文化卡片列表 ========== */
        .culture-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-md);
        }

        .culture-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-soft);
        }

        .culture-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(29, 138, 62, 0.3);
        }

        .culture-card__image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            border-radius: 0;
        }

        .culture-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

        .culture-card:hover .culture-card__image img {
            transform: scale(1.05);
        }

        .culture-card__badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-green);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.03em;
        }

        .culture-card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .culture-card__title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--space-xs);
            line-height: 1.5;
        }

        .culture-card__meta {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .culture-card__summary {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.75;
            flex: 1;
            margin-bottom: var(--space-sm);
        }

        .culture-card__link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .culture-card__link i {
            transition: transform var(--transition);
        }

        .culture-card__link:hover i {
            transform: translateX(4px);
        }

        /* ========== 深度文章 ========== */
        .depth-article {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-soft);
            max-width: 820px;
            margin: 0 auto;
        }

        .depth-article h2 {
            font-size: 1.6rem;
            margin-bottom: var(--space-sm);
            color: var(--text-dark);
        }

        .depth-article h3 {
            font-size: 1.25rem;
            margin: var(--space-lg) 0 var(--space-sm);
            color: var(--primary-dark);
        }

        .depth-article p {
            margin-bottom: var(--space-sm);
            color: var(--text-mid);
            line-height: 2;
        }

        .depth-article blockquote {
            border-left: 4px solid var(--accent-yellow);
            background: var(--bg-warm);
            padding: var(--space-sm) var(--space-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--space-md) 0;
            font-style: italic;
            color: var(--text-mid);
            line-height: 1.9;
        }

        .depth-article .article-divider {
            border: none;
            border-top: 2px dashed var(--border-soft);
            margin: var(--space-lg) 0;
        }

        /* ========== 时间线 ========== */
        .timeline {
            position: relative;
            padding-left: 30px;
            margin-top: var(--space-md);
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-green), var(--accent-yellow));
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--space-lg);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary-green);
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 3px var(--primary-green);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item__title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .timeline-item__text {
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ========== 城市文化地图 ========== */
        .city-map-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-md);
        }

        .city-map-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-soft);
            display: flex;
            gap: var(--space-sm);
            align-items: flex-start;
            transition: all var(--transition);
        }

        .city-map-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .city-map-card__icon {
            font-size: 1.8rem;
            color: var(--primary-green);
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: rgba(29, 138, 62, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .city-map-card__content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .city-map-card__content p {
            font-size: 0.88rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            padding: var(--space-sm) var(--space-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.98rem;
            user-select: none;
            transition: color var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary-green);
        }

        .faq-question i {
            flex-shrink: 0;
            color: var(--primary-green);
            transition: transform var(--transition);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--text-mid);
            font-size: 0.92rem;
            line-height: 1.85;
            border-top: 1px solid var(--border-soft);
            padding-top: var(--space-sm);
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            color: #FFFFFF;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(242, 201, 76, 0.15);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-banner h2 {
            color: #FFFFFF;
            font-size: 1.8rem;
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto var(--space-md);
            position: relative;
            z-index: 1;
            font-size: 1rem;
            line-height: 1.9;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #16201A;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 4px solid var(--primary-green);
        }

        .site-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .site-footer h3 {
            color: #FFFFFF;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .site-footer p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 6px;
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer ul a:hover {
            color: var(--accent-yellow);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm) var(--space-lg);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: space-between;
        }

        .site-footer__bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.78rem;
        }

        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 220px;
            }

            .culture-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .city-map-grid {
                grid-template-columns: 1fr;
            }

            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }

            .page-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }

            .side-nav {
                transform: translateX(-100%);
                width: 280px;
            }

            .side-nav.open {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            }

            .side-nav-overlay {
                display: block;
                pointer-events: none;
            }

            .side-nav-overlay.visible {
                pointer-events: auto;
                opacity: 1;
            }

            .mobile-topbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }

            .culture-grid {
                grid-template-columns: 1fr;
            }

            .city-map-grid {
                grid-template-columns: 1fr;
            }

            .page-hero {
                padding: var(--space-xl) 0 var(--space-lg);
            }

            .page-hero h1 {
                font-size: 1.7rem;
            }

            .hero-metrics {
                gap: var(--space-sm);
            }

            .hero-metric-item {
                font-size: 0.8rem;
                padding: 6px 12px;
            }

            .depth-article {
                padding: var(--space-lg) var(--space-md);
            }

            .cta-banner {
                padding: var(--space-lg) var(--space-md);
            }

            .cta-banner h2 {
                font-size: 1.4rem;
            }

            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-xs);
            }

            .section {
                padding: var(--space-lg) 0;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-btn {
                padding: 6px 14px;
                font-size: 0.78rem;
                min-height: 32px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }

            .page-hero .hero-desc {
                font-size: 0.9rem;
                line-height: 1.75;
            }

            .culture-card__title {
                font-size: 1rem;
            }

            .cta-banner h2 {
                font-size: 1.2rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
                min-height: 40px;
            }

            .container {
                padding: 0 var(--space-sm);
            }
        }

/* roulang page: category5 */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
        }
        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 1.7rem;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.25rem;
        }
        p {
            margin: 0 0 1em;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--bg-warm {
            background: var(--bg-warm);
        }
        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }
        .section--bg-dark h2,
        .section--bg-dark h3 {
            color: #FFFFFF;
        }
        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }
        .text-weak {
            color: var(--text-weak);
        }
        .text-mid {
            color: var(--text-mid);
        }
        .section-title {
            margin-bottom: var(--space-xs);
            font-weight: 700;
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }
        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }
        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }
        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
        }
        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }
        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }
        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(29, 138, 62, 0.2);
        }
        .card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card__title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            line-height: 1.4;
        }
        .card__text {
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: var(--space-sm);
            flex: 1;
        }
        .card__meta {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: var(--space-xs);
        }
        .card__link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card__link:hover {
            color: var(--primary-dark);
        }
        .card__link i {
            transition: transform var(--transition);
        }
        .card__link:hover i {
            transform: translateX(4px);
        }
        .card__image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }

        /* Side Navigation */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #16201A;
            color: #D5E0D2;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: var(--space-md) 0;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            overflow-y: auto;
        }
        .side-nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 var(--space-md) var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: var(--space-sm);
            color: #FFFFFF;
            text-decoration: none;
        }
        .side-nav-logo:hover {
            color: #FFFFFF;
        }
        .logo-main {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }
        .logo-sub {
            font-size: 0.68rem;
            color: #8AA08A;
            display: block;
            word-break: break-all;
            line-height: 1.2;
        }
        .side-nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
        }
        .side-nav-links li {
            margin: 0;
        }
        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px var(--space-md);
            color: #C5D2C2;
            font-size: 0.93rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
            border-left: 3px solid transparent;
            letter-spacing: 0.01em;
        }
        .side-nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }
        .side-nav-link.active {
            background: rgba(29, 138, 62, 0.25);
            color: #FFFFFF;
            border-left-color: var(--primary-mid);
            font-weight: 600;
        }
        .nav-icon {
            font-size: 0.5rem;
            color: var(--accent-yellow);
            opacity: 0.8;
        }
        .side-nav-footer {
            padding: var(--space-sm) var(--space-md);
            font-size: 0.72rem;
            color: #6B806B;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            word-break: break-all;
        }

        /* Main content offset */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Mobile top bar */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #16201A;
            color: #FFFFFF;
            z-index: 999;
            align-items: center;
            padding: 0 var(--space-sm);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-topbar .logo-main {
            font-size: 1.1rem;
        }
        .hamburger {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            margin-right: auto;
            line-height: 1;
        }
        .hamburger i {
            color: #FFFFFF;
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: #16201A;
            z-index: 1100;
            transform: translateX(-100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-sm) var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-drawer__close {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.3rem;
            cursor: pointer;
            padding: 4px;
        }
        .mobile-drawer .side-nav-links {
            flex: 1;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1050;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* Hero Section */
        .hero-booking {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: #FFFFFF;
            padding: var(--space-xl) 0;
            isolation: isolate;
        }
        .hero-booking::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 32, 18, 0.88) 0%, rgba(22, 32, 26, 0.7) 55%, rgba(29, 138, 62, 0.45) 100%);
            z-index: -1;
        }
        .hero-booking__title {
            color: #FFFFFF;
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.01em;
        }
        .hero-booking__desc {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: var(--space-md);
        }
        .reward-panel {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            max-width: 520px;
            margin-top: var(--space-md);
        }
        .reward-panel__title {
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .reward-panel__title i {
            color: var(--accent-yellow);
        }
        .reward-panel__text {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: var(--space-sm);
        }
        .progress-wrap {
            margin-bottom: var(--space-sm);
        }
        .progress-label {
            display: flex;
            justify-content: space-between;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.82rem;
            margin-bottom: 6px;
        }
        .progress-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            overflow: hidden;
        }
        .progress-bar__fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange));
            border-radius: 10px;
            transition: width 0.6s ease;
            width: 64%;
        }
        .hero-booking__actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-sm);
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-xs);
            margin-bottom: var(--space-md);
        }
        .filter-chip {
            padding: 8px 16px;
            border-radius: 25px;
            border: 1.5px solid var(--border-soft);
            background: #FFFFFF;
            color: var(--text-mid);
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition);
            font-weight: 500;
        }
        .filter-chip:hover {
            border-color: var(--primary-green);
            color: var(--primary-green);
            background: rgba(29, 138, 62, 0.05);
        }
        .filter-chip.active {
            background: var(--primary-green);
            border-color: var(--primary-green);
            color: #FFFFFF;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        .process-step {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }
        .process-step__number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-green);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto var(--space-xs);
        }
        .process-step__title {
            font-weight: 600;
            margin-bottom: var(--space-xs);
            color: var(--text-dark);
        }
        .process-step__text {
            color: var(--text-weak);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card__icon {
            font-size: 2rem;
            color: var(--primary-green);
            margin-bottom: var(--space-xs);
        }
        .scenario-card__title {
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: var(--space-xs);
        }
        .scenario-card__text {
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* Venue cards */
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        .venue-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .venue-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .venue-card__image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .venue-card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .venue-card__tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: var(--space-xs);
        }
        .venue-card__title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }
        .venue-card__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: var(--space-xs);
        }
        .venue-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .venue-card__text {
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: var(--space-sm);
            flex: 1;
        }
        .venue-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-xs);
            flex-wrap: wrap;
        }
        .venue-price {
            font-weight: 700;
            color: var(--primary-green);
            font-size: 1.1rem;
        }
        .venue-price small {
            font-weight: 400;
            color: var(--text-weak);
            font-size: 0.75rem;
        }

        /* Invite detail */
        .invite-feature {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        .invite-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--card-shadow);
            text-align: center;
        }
        .invite-item__icon {
            font-size: 2.2rem;
            color: var(--accent-orange);
            margin-bottom: var(--space-xs);
        }
        .invite-item__title {
            font-weight: 600;
            margin-bottom: var(--space-xs);
        }
        .invite-item__text {
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* FAQ */
        .accordion {
            margin-top: var(--space-md);
        }
        .accordion-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            margin-bottom: var(--space-sm);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(29, 138, 62, 0.3);
        }
        .accordion-title {
            background: none;
            border: none;
            padding: var(--space-md);
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }
        .accordion-title:hover {
            color: var(--primary-green);
            background: rgba(29, 138, 62, 0.03);
        }
        .accordion-title .fa-chevron-down {
            transition: transform 0.3s ease;
            color: var(--text-weak);
            font-size: 0.85rem;
        }
        .accordion-item.is-active .accordion-title .fa-chevron-down {
            transform: rotate(180deg);
        }
        .accordion-content {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--text-mid);
            font-size: 0.92rem;
            line-height: 1.75;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* CTA */
        .cta-booking {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 50%, var(--primary-mid) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-md);
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            margin: var(--space-xl) 0;
        }
        .cta-booking::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
        }
        .cta-booking h2 {
            color: #FFFFFF;
            font-size: 1.8rem;
            margin-bottom: var(--space-xs);
            position: relative;
        }
        .cta-booking p {
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: var(--space-md);
            position: relative;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-booking .btn--light {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #16201A;
            color: #C5D2C2;
            padding: var(--space-xl) 0 var(--space-sm);
            margin-top: auto;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer h3,
        .site-footer h4 {
            color: #FFFFFF;
        }
        .site-footer h3 {
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer h4 {
            font-size: 1rem;
            margin-bottom: var(--space-sm);
        }
        .site-footer p {
            color: #9AAB9A;
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 300px;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #C5D2C2;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent-yellow);
        }
        .site-footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            padding-top: var(--space-sm);
            font-size: 0.75rem;
            color: #7A8A7A;
        }
        .site-footer__bottom span {
            white-space: nowrap;
        }
        .site-footer__bottom a {
            color: #9AAB9A;
        }
        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .side-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .mobile-topbar {
                display: flex;
            }
            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-booking {
                min-height: 460px;
            }
            .hero-booking__title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .hero-booking {
                min-height: 400px;
                padding: var(--space-lg) 0;
            }
            .hero-booking__title {
                font-size: 1.6rem;
            }
            .hero-booking__desc {
                font-size: 0.95rem;
            }
            .hero-booking__actions {
                flex-direction: column;
                gap: 8px;
            }
            .hero-booking__actions .btn {
                width: 100%;
            }
            .venue-grid {
                grid-template-columns: 1fr;
            }
            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .invite-feature {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .reward-panel {
                padding: var(--space-sm);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .hero-booking {
                min-height: 380px;
            }
            .hero-booking__title {
                font-size: 1.4rem;
            }
            .filter-bar {
                gap: 4px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .venue-card__image {
                height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-green: #1D8A3E;
            --primary-dark: #0F5C28;
            --primary-mid: #2EA653;
            --accent-yellow: #F2C94C;
            --accent-orange: #F2994A;
            --bg-light: #F5F7F0;
            --bg-warm: #F7F5EF;
            --text-dark: #1E2A1E;
            --text-mid: #3A4D3A;
            --text-weak: #6B7E6B;
            --border-soft: #DCE5D8;
            --card-shadow: 0 4px 16px rgba(30, 42, 30, 0.06);
            --card-shadow-hover: 0 8px 28px rgba(30, 42, 30, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-xxl: 96px;
            --nav-width: 248px;
            --topbar-height: 60px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-yellow);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 var(--space-sm);
            line-height: 1.3;
            color: var(--text-dark);
            font-weight: 700;
        }

        h1 {
            font-size: 2.25rem;
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: 1.6rem;
            letter-spacing: -0.005em;
        }

        h3 {
            font-size: 1.2rem;
        }

        p {
            margin: 0 0 var(--space-sm);
        }

        ul, ol {
            margin: 0 0 var(--space-sm);
            padding-left: 1.4rem;
        }

        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xl) 0;
        }

        .section--tight {
            padding: var(--space-lg) 0;
        }

        .section--bg-warm {
            background: var(--bg-warm);
        }

        .section--bg-dark {
            background: #16201A;
            color: #E8EFE4;
        }

        .section--bg-dark h2,
        .section--bg-dark h3 {
            color: #FFFFFF;
        }

        .section--bg-dark .text-weak {
            color: #A8B8A0;
        }

        .text-weak {
            color: var(--text-weak);
        }

        .text-mid {
            color: var(--text-mid);
        }

        .section-title {
            margin-bottom: var(--space-xs);
            font-size: 1.75rem;
        }

        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 680px;
        }

        .tag {
            display: inline-block;
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-xs);
        }

        .tag--yellow {
            background: rgba(242, 201, 76, 0.15);
            color: #8A6D0B;
        }

        .tag--orange {
            background: rgba(242, 153, 74, 0.15);
            color: #C56A1A;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 44px;
            justify-content: center;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--primary-green);
            color: #FFFFFF;
            border-color: var(--primary-green);
        }

        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 138, 62, 0.35);
        }

        .btn--primary:active {
            transform: translateY(0);
        }

        .btn--secondary {
            background: transparent;
            color: var(--primary-green);
            border-color: var(--primary-green);
        }

        .btn--secondary:hover {
            background: rgba(29, 138, 62, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn--light {
            background: #FFFFFF;
            color: var(--primary-green);
            border-color: #FFFFFF;
        }

        .btn--light:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn--accent {
            background: var(--accent-yellow);
            color: #1E2A1E;
            border-color: var(--accent-yellow);
        }

        .btn--accent:hover {
            background: #E0B63E;
            border-color: #E0B63E;
            color: #1E2A1E;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(242, 201, 76, 0.35);
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: #16201A;
            color: #E8EFE4;
            display: flex;
            flex-direction: column;
            z-index: 100;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.15) transparent;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.15);
            border-radius: 4px;
        }

        .side-nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: var(--space-md) var(--space-md) var(--space-sm);
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: var(--space-sm);
            flex-shrink: 0;
        }

        .side-nav-logo:hover {
            background: rgba(255,255,255,0.04);
        }

        .logo-main {
            font-size: 1.5rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .logo-main i {
            color: var(--accent-yellow);
            margin-right: 6px;
        }

        .logo-sub {
            font-size: 0.7rem;
            color: #8FA38A;
            letter-spacing: 0.04em;
            margin-top: 2px;
        }

        .side-nav-links {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .side-nav-links li {
            margin: 0;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px var(--space-md);
            color: #B8C8B0;
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-left: 3px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .side-nav-link:hover {
            background: rgba(255,255,255,0.06);
            color: #FFFFFF;
            border-left-color: var(--accent-yellow);
        }

        .side-nav-link.active {
            background: rgba(29, 138, 62, 0.25);
            color: #FFFFFF;
            border-left-color: var(--primary-green);
            font-weight: 600;
        }

        .side-nav-link .nav-icon {
            font-size: 1rem;
            color: var(--accent-yellow);
            width: 14px;
            text-align: center;
            flex-shrink: 0;
        }

        .side-nav-footer {
            padding: var(--space-sm) var(--space-md);
            font-size: 0.7rem;
            color: #6B7E6B;
            border-top: 1px solid rgba(255,255,255,0.06);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* ========== 移动端顶栏 ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #16201A;
            color: #FFFFFF;
            z-index: 200;
            align-items: center;
            padding: 0 var(--space-md);
            gap: 12px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }

        .mobile-topbar .logo-main {
            font-size: 1.15rem;
            color: #FFFFFF;
        }

        .mobile-topbar .logo-main i {
            color: var(--accent-yellow);
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            min-height: 44px;
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(255,255,255,0.1);
        }

        /* 移动端抽屉 */
        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 300;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: #16201A;
            color: #E8EFE4;
            z-index: 301;
            transform: translateX(-100%);
            transition: transform var(--transition);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }

        .mobile-drawer-close {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.3rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            min-width: 40px;
            min-height: 40px;
        }

        .mobile-drawer-close:hover {
            background: rgba(255,255,255,0.1);
        }

        .mobile-drawer .side-nav-links {
            padding: var(--space-sm) 0;
        }

        .mobile-drawer .side-nav-link {
            padding: 14px var(--space-md);
            font-size: 0.95rem;
        }

        .mobile-drawer .side-nav-footer {
            margin-top: auto;
        }

        /* ========== Hero 区 ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            color: #FFFFFF;
            padding: var(--space-xl) 0;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22,32,26,0.88) 0%, rgba(22,32,26,0.65) 50%, rgba(29,138,62,0.55) 100%);
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .category-hero h1 {
            color: #FFFFFF;
            font-size: 2.5rem;
            margin-bottom: var(--space-xs);
            letter-spacing: -0.01em;
        }

        .category-hero .hero-subtitle {
            color: rgba(255,255,255,0.85);
            font-size: 1.1rem;
            max-width: 640px;
            margin-bottom: var(--space-md);
            line-height: 1.8;
        }

        .category-hero .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .hero-stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            margin-top: var(--space-lg);
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            backdrop-filter: blur(8px);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            min-width: 100px;
        }

        .hero-stat-number {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-yellow);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
        }

        /* ========== 卡片与列表 ========== */
        .review-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }

        .review-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition);
        }

        .review-card:hover .review-card-img img {
            transform: scale(1.04);
        }

        .review-card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .review-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--space-xs);
            line-height: 1.4;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: var(--space-xs);
        }

        .review-card-meta i {
            font-size: 0.7rem;
        }

        .review-card-desc {
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.75;
            flex: 1;
            margin-bottom: var(--space-sm);
        }

        .review-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-green);
            transition: color var(--transition);
        }

        .review-card-link:hover {
            color: var(--primary-dark);
        }

        .review-card-link i {
            transition: transform var(--transition);
        }

        .review-card-link:hover i {
            transform: translateX(4px);
        }

        /* 评分徽章 */
        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(242, 201, 76, 0.2);
            color: #8A6D0B;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 2px 10px;
            border-radius: 16px;
        }

        .score-badge i {
            color: var(--accent-yellow);
        }

        /* 装备分类卡片 */
        .gear-category-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            padding: var(--space-md);
            border-left: 4px solid var(--primary-green);
            transition: all var(--transition);
            height: 100%;
        }

        .gear-category-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-left-color: var(--accent-yellow);
        }

        .gear-category-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(29, 138, 62, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-green);
            margin-bottom: var(--space-sm);
        }

        .gear-category-card h3 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }

        .gear-category-card p {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* 评测流程步骤 */
        .step-item {
            display: flex;
            gap: var(--space-md);
            align-items: flex-start;
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--border-soft);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-green);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-item h3 {
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* 深度内容区 */
        .deep-content {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
        }

        .deep-content h3 {
            font-size: 1.2rem;
            margin-top: var(--space-md);
            margin-bottom: var(--space-xs);
        }

        .deep-content p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text-mid);
        }

        .deep-content blockquote {
            border-left: 4px solid var(--accent-yellow);
            background: rgba(242, 201, 76, 0.08);
            padding: var(--space-sm) var(--space-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--space-md) 0;
            font-style: italic;
        }

        .deep-content blockquote p {
            margin-bottom: 0;
        }

        /* 排行榜 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            box-shadow: var(--card-shadow);
            margin-bottom: var(--space-sm);
            transition: all var(--transition);
        }

        .rank-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateX(4px);
        }

        .rank-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-green);
            min-width: 44px;
            text-align: center;
        }

        .rank-number--top {
            color: var(--accent-yellow);
        }

        .rank-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
            font-weight: 600;
        }

        .rank-info p {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            margin-bottom: var(--space-xs);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--card-shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-sm) var(--space-md);
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            gap: 12px;
            transition: color var(--transition);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary-green);
        }

        .faq-question .faq-arrow {
            color: var(--text-weak);
            transition: transform var(--transition);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary-green);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 var(--space-md);
            color: var(--text-mid);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--space-md) var(--space-md);
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 60%, var(--primary-mid) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            color: #FFFFFF;
            text-align: center;
        }

        .cta-panel h2 {
            color: #FFFFFF;
            margin-bottom: var(--space-xs);
        }

        .cta-panel p {
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            margin: 0 auto var(--space-md);
        }

        .cta-panel .btn-group {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        /* 页脚 */
        .site-footer {
            background: #16201A;
            color: #B8C8B0;
            padding: var(--space-lg) 0 var(--space-md);
            margin-top: auto;
        }

        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-md);
        }

        .site-footer__brand h3 {
            color: #FFFFFF;
            font-size: 1.2rem;
            margin-bottom: var(--space-xs);
        }

        .site-footer__brand p {
            font-size: 0.85rem;
            color: #8FA38A;
            line-height: 1.75;
        }

        .site-footer h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 6px;
        }

        .site-footer ul a {
            color: #8FA38A;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .site-footer ul a:hover {
            color: var(--accent-yellow);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: var(--space-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.78rem;
            color: #6B7E6B;
            justify-content: space-between;
            align-items: center;
        }

        .site-footer__bottom span {
            white-space: nowrap;
        }

        .site-footer__bottom a {
            color: #8FA38A;
            transition: color var(--transition);
        }

        .site-footer__bottom a:hover {
            color: var(--accent-yellow);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 220px;
            }

            .site-footer__grid {
                grid-template-columns: 1fr 1fr;
            }

            .category-hero {
                min-height: 360px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }

            .side-nav {
                display: none;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }

            .mobile-topbar {
                display: flex;
            }

            .mobile-drawer-overlay {
                display: block;
            }

            h1 {
                font-size: 1.8rem;
            }

            h2 {
                font-size: 1.4rem;
            }

            .section {
                padding: var(--space-lg) 0;
            }

            .category-hero {
                min-height: 320px;
                padding: var(--space-lg) 0;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }

            .site-footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .cta-panel {
                padding: var(--space-md);
            }

            .rank-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-stats-bar {
                gap: var(--space-sm);
            }

            .hero-stat {
                min-width: 70px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.5rem;
            }

            h2 {
                font-size: 1.2rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
                white-space: normal;
            }

            .category-hero {
                min-height: 280px;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .review-card-body {
                padding: var(--space-sm);
            }

            .hero-stats-bar {
                flex-wrap: wrap;
            }

            .deep-content {
                padding: var(--space-md);
            }
        }