/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B2A1A;
            --primary-dark: #071B10;
            --accent: #FF6B3D;
            --accent-dark: #E8501F;
            --gold: #F2B64B;
            --cream: #F7F3EC;
            --white: #FFFFFF;
            --text-main: #17241D;
            --text-muted: #5C6B62;
            --border-warm: #E5DECF;
            --radius: 16px;
            --shadow-sm: 0 2px 12px rgba(7, 27, 16, 0.06);
            --shadow-hover: 0 14px 30px rgba(7, 27, 16, 0.14);
            --transition: 200ms ease;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--cream);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 80, 31, 0.25);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(255, 107, 61, 0.4);
            outline-offset: 2px;
        }

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

        .btn-outline:hover {
            background: var(--white);
            color: var(--primary);
            border-color: var(--white);
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 107, 61, 0.12);
            color: var(--accent-dark);
            line-height: 1.4;
        }

        .badge-green {
            background: rgba(11, 42, 26, 0.08);
            color: var(--primary);
        }

        .badge-gold {
            background: rgba(242, 182, 75, 0.2);
            color: #8a5e12;
        }

        /* ===== 分区标题 ===== */
        .section {
            padding: 96px 0;
        }

        @media (max-width: 639px) {
            .section {
                padding: 56px 0;
            }
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 639px) {
            .section-head h2 {
                font-size: 26px;
            }
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            transition: background 200ms ease;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 800;
            font-size: 20px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .nav-link {
            position: relative;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            transition: color 200ms;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 200ms ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
        }

        /* ===== 移动端顶部 ===== */
        .mobile-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            transition: background 200ms;
        }

        .mobile-header-cta:hover {
            background: var(--accent-dark);
            color: #fff;
        }

        @media (min-width: 1024px) {
            .mobile-header-cta {
                display: none;
            }
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tabbar {
            display: none;
        }

        @media (max-width: 1023px) {
            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: var(--white);
                border-top: 1px solid var(--border-warm);
                z-index: 1000;
                align-items: stretch;
                justify-content: space-around;
                box-shadow: 0 -4px 16px rgba(7, 27, 16, 0.05);
            }

            .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                font-size: 11px;
                font-weight: 500;
                color: var(--text-muted);
                transition: color 200ms;
            }

            .tab-item .tab-icon {
                width: 22px;
                height: 22px;
            }

            .tab-item:hover,
            .tab-item.active {
                color: var(--accent-dark);
            }

            body {
                padding-bottom: 64px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background:
                linear-gradient(135deg,
                    rgba(11, 42, 26, 0.96) 0%,
                    rgba(11, 42, 26, 0.88) 45%,
                    rgba(11, 42, 26, 0.66) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 80px;
            color: #fff;
            min-height: 70vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 64px;
        }

        .hero-content {
            flex: 1 1 50%;
        }

        .hero-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 16px;
            background: rgba(242, 182, 75, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            flex: 1 1 42%;
            position: relative;
        }

        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-img-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-score-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: var(--primary-dark);
            border-left: 4px solid var(--accent);
            border-radius: 12px;
            padding: 14px 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            min-width: 150px;
        }

        .score-label {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .score-value {
            font-family: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-item {
            text-align: center;
        }

        .stat-num {
            font-family: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--gold);
            display: block;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        @media (max-width: 1023px) {
            .hero {
                padding: 120px 0 60px;
            }

            .hero-inner {
                flex-direction: column;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-visual {
                width: 100%;
            }

            .hero-img-wrap img {
                height: 260px;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 40px;
            }
        }

        @media (max-width: 639px) {
            .hero {
                padding: 100px 0 40px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-num {
                font-size: 28px;
            }
        }

        /* ===== Bento 功能区 ===== */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: repeat(2, 220px);
            gap: 20px;
        }

        .bento-card {
            position: relative;
            background: var(--white);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius);
            padding: 28px;
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 42, 26, 0.2);
        }

        .bento-big {
            grid-column: span 2;
            grid-row: span 2;
            padding: 0;
            border: none;
            display: block;
            box-shadow: var(--shadow-sm);
        }

        .bento-big img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .bento-big-content {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(7, 27, 16, 0.1) 30%,
                    rgba(7, 27, 16, 0.85) 100%);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            color: #fff;
        }

        .bento-big-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .bento-big-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin-bottom: 12px;
            max-width: 90%;
        }

        .bento-wide {
            grid-column: span 2;
        }

        .bento-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(11, 42, 26, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .bento-icon svg {
            width: 22px;
            height: 22px;
        }

        .bento-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .bento-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }

        .bento-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            transition: gap 200ms;
        }

        .card-link:hover {
            gap: 10px;
        }

        @media (max-width: 1023px) {
            .bento-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: auto;
            }

            .bento-big {
                grid-column: span 2;
                grid-row: span 1;
                min-height: 280px;
            }

            .bento-big img {
                position: relative;
                height: 280px;
            }

            .bento-big-content {
                position: absolute;
            }
        }

        @media (max-width: 639px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }

            .bento-big {
                grid-column: span 1;
                min-height: 220px;
            }

            .bento-big img {
                height: 220px;
            }

            .bento-wide {
                grid-column: span 1;
            }
        }

        /* ===== 场景时间线 ===== */
        .scenario-section {
            background: var(--white);
            border-top: 1px solid var(--border-warm);
            border-bottom: 1px solid var(--border-warm);
        }

        .scenario-list {
            position: relative;
            padding-left: 32px;
            max-width: 800px;
        }

        .scenario-list::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 3px;
        }

        .scenario-item {
            position: relative;
            padding: 24px 0 24px 32px;
            border-bottom: 1px solid rgba(229, 222, 207, 0.6);
        }

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

        .scenario-item::before {
            content: "";
            position: absolute;
            left: -34px;
            top: 32px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--white);
            box-shadow: 0 0 0 2px var(--primary);
        }

        .scenario-num {
            font-family: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
            font-size: 48px;
            font-weight: 700;
            color: rgba(11, 42, 26, 0.12);
            line-height: 1;
            display: block;
            margin-bottom: 4px;
        }

        .scenario-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 560px;
        }

        @media (max-width: 639px) {
            .scenario-list {
                padding-left: 20px;
            }

            .scenario-item {
                padding-left: 20px;
            }

            .scenario-item::before {
                left: -27px;
            }

            .scenario-num {
                font-size: 36px;
            }
        }

        /* ===== 资讯列表 ===== */
        .latest-grid {
            display: grid;
            grid-template-columns: 1.1fr 1.4fr;
            gap: 32px;
        }

        .latest-feature {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .latest-feature .thumb {
            width: 100%;
            height: 220px;
            overflow: hidden;
        }

        .latest-feature .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

        .latest-feature:hover .thumb img {
            transform: scale(1.04);
        }

        .latest-feature .info {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .latest-feature .info .badge {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .latest-feature .info h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .latest-feature .info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .latest-feature .date {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
            display: block;
        }

        .latest-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .list-row {
            display: flex;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border-warm);
            border-radius: 14px;
            padding: 14px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .list-row:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 42, 26, 0.15);
        }

        .list-row .thumb {
            width: 96px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .list-row .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .list-row .content {
            flex: 1;
            min-width: 0;
        }

        .list-row .content h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-row .content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-row .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--white);
            border: 1px dashed var(--border-warm);
            border-radius: var(--radius);
        }

        .empty-state svg {
            width: 48px;
            height: 48px;
            color: var(--text-muted);
            margin: 0 auto 16px;
            opacity: 0.5;
        }

        .empty-state p {
            font-size: 16px;
            color: var(--text-muted);
        }

        @media (max-width: 1023px) {
            .latest-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 639px) {
            .list-row .thumb {
                width: 84px;
                height: 72px;
            }
        }

        /* ===== 案例数据区 ===== */
        .case-section {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .case-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 107, 61, 0.08);
        }

        .case-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .case-text .section-tag {
            color: var(--gold);
        }

        .case-text h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .case-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .case-quote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 0 12px 12px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            font-style: italic;
        }

        .case-panel {
            background: var(--primary-dark);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 40px;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .data-item {
            text-align: center;
        }

        .data-num {
            font-family: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
            font-size: 52px;
            font-weight: 700;
            color: var(--gold);
            display: block;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 1023px) {
            .case-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 639px) {
            .data-num {
                font-size: 40px;
            }

            .case-panel {
                padding: 28px;
            }
        }

        /* ===== 价格对比表 ===== */
        .pricing-table-wrap {
            background: var(--white);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .pricing-table {
            width: 100%;
            border-collapse: collapse;
        }

        .pricing-table th {
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            text-align: left;
            padding: 16px 20px;
            white-space: nowrap;
        }

        .pricing-table td {
            padding: 20px;
            font-size: 14px;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-warm);
            line-height: 1.6;
        }

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

        .pricing-table .hot {
            background: rgba(255, 107, 61, 0.04);
            box-shadow: inset 4px 0 0 var(--accent);
        }

        .pricing-table .price-name {
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
        }

        .pricing-table .price-val {
            font-family: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-dark);
        }

        @media (max-width: 1023px) {
            .pricing-table {
                display: block;
            }

            .pricing-table thead {
                display: none;
            }

            .pricing-table tbody {
                display: block;
            }

            .pricing-table tr {
                display: block;
                border: 1px solid var(--border-warm);
                border-radius: 14px;
                margin-bottom: 16px;
                padding: 20px;
                background: #fff;
            }

            .pricing-table td {
                display: block;
                border: none;
                padding: 10px 0;
                text-align: left;
            }

            .pricing-table td:first-child {
                padding-top: 0;
            }

            .pricing-table td:last-child {
                padding-bottom: 0;
            }

            .pricing-table td:empty {
                display: none;
            }

            .pricing-table td .btn {
                width: 100%;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-warm);
            padding: 4px 0;
        }

        .faq-item summary {
            position: relative;
            list-style: none;
            cursor: pointer;
            padding: 22px 48px 22px 4px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: color 200ms;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 26px;
            font-weight: 400;
            color: var(--accent);
            transition: transform 200ms;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(45deg);
        }

        .faq-item summary:hover {
            color: var(--primary);
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item p {
            padding: 0 48px 24px 4px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
        }

        @media (max-width: 639px) {
            .faq-item summary {
                font-size: 15px;
                padding-right: 40px;
            }

            .faq-item p {
                padding-right: 20px;
                font-size: 14px;
            }
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            position: relative;
            background:
                linear-gradient(135deg,
                    rgba(7, 27, 16, 0.92) 0%,
                    rgba(11, 42, 26, 0.82) 100%),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 96px 0;
            color: #fff;
            text-align: center;
        }

        .cta-inner {
            max-width: 700px;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        @media (max-width: 639px) {
            .cta-section {
                padding: 64px 0;
            }

            .cta-inner h2 {
                font-size: 28px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 200ms;
            font-size: 14px;
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        /* ===== 通用工具 ===== */
        .text-center {
            text-align: center;
        }

        .mb-1 {
            margin-bottom: 8px;
        }

        .mb-2 {
            margin-bottom: 16px;
        }

        .mb-3 {
            margin-bottom: 24px;
        }

        .mb-4 {
            margin-bottom: 32px;
        }

/* roulang page: category1 */
:root {
            --primary: #0B2A1A;
            --primary-dark: #071B10;
            --accent: #FF6B3D;
            --accent-dark: #E8501F;
            --gold: #F2B64B;
            --bg: #F7F3EC;
            --card: #FFFFFF;
            --border: #E5DECF;
            --text: #17241D;
            --muted: #5C6B62;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 2px 12px rgba(7, 27, 16, 0.06);
            --shadow-hover: 0 14px 30px rgba(7, 27, 16, 0.14);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
        }
        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 96px 0;
        }

        /* ===== Header ===== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: color .2s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .2s;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: background .2s, transform .2s;
        }
        .header-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tab-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            display: none;
            z-index: 200;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 10px 4px;
            color: var(--muted);
            font-size: 11px;
            transition: color .2s;
        }
        .tab-item i {
            font-size: 18px;
        }
        .tab-item.active {
            color: var(--accent);
        }
        .tab-item:hover {
            color: var(--primary);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 20px 0;
            font-size: 14px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 分类 Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--primary);
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 80px 0;
            overflow: hidden;
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 27, 16, 0.94), rgba(7, 27, 16, 0.72) 55%, rgba(7, 27, 16, 0.4));
        }
        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .cat-hero-text {
            flex: 1.1;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(242, 182, 75, 0.16);
            color: var(--gold);
            border: 1px solid rgba(242, 182, 75, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            letter-spacing: 2px;
            margin-bottom: 20px;
        }
        .cat-hero-text h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .cat-hero-text p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cat-hero-visual {
            flex: 0.9;
        }
        .cat-hero-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: var(--radius);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--accent);
            transition: background .2s, border-color .2s, transform .15s;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(255, 107, 61, 0.4);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            transition: all .2s;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all .2s;
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 频道说明 ===== */
        .channel-intro {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .channel-intro-grid {
            display: flex;
            align-items: center;
            gap: 64px;
        }
        .intro-left {
            flex: 1.2;
        }
        .intro-right {
            flex: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-tag {
            display: inline-block;
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .intro-left h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin: 12px 0 16px;
            color: var(--text);
        }
        .intro-left p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }
        .tag-chip {
            display: inline-block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            box-shadow: var(--shadow);
            transition: all .2s;
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== 内容模块 ===== */
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            max-width: 600px;
        }
        .section-head.center p {
            margin: 0 auto;
        }
        .module-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .module-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .2s, box-shadow .2s;
            display: flex;
            flex-direction: column;
        }
        .module-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .module-thumb {
            overflow: hidden;
        }
        .module-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s;
        }
        .module-card:hover .module-thumb img {
            transform: scale(1.04);
        }
        .module-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .module-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .module-body p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }
        .card-tag {
            display: inline-block;
            background: rgba(255, 107, 61, 0.1);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            align-self: flex-start;
        }
        .module-card-horizontal {
            grid-column: span 2;
            flex-direction: row;
        }
        .module-card-horizontal .module-thumb {
            width: 46%;
        }
        .module-card-horizontal .module-thumb img {
            height: 100%;
            min-height: 260px;
        }
        .module-card-horizontal .module-body {
            width: 54%;
            padding: 36px;
            justify-content: center;
        }
        .module-card-vertical .module-thumb img {
            height: 190px;
        }
        .module-card-wide {
            grid-column: span 3;
            flex-direction: row-reverse;
        }
        .module-card-wide .module-thumb {
            width: 40%;
        }
        .module-card-wide .module-thumb img {
            height: 100%;
            min-height: 230px;
        }
        .module-card-wide .module-body {
            width: 60%;
            padding: 40px;
            justify-content: center;
        }

        /* ===== 特色条 ===== */
        .feature-strip {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .feature-item {
            text-align: center;
            padding: 24px 16px;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(11, 42, 26, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            color: var(--primary);
        }
        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .feature-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-list {
            margin-top: 32px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            background: #fff;
            border-radius: 0;
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 24px;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            color: var(--text);
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(11, 42, 26, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: transform .25s, background .25s, color .25s;
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 24px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            padding: 80px 0 96px;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #B8C4BB;
            padding: 56px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand p {
            margin-top: 16px;
            line-height: 1.7;
            color: #8FA095;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: #8FA095;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #6B7C72;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .mobile-tab-bar {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .cat-hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .cat-hero-text h1 {
                font-size: 32px;
            }
            .cat-hero-visual img {
                height: 260px;
            }
            .channel-intro-grid {
                flex-direction: column;
                gap: 40px;
            }
            .module-grid {
                grid-template-columns: 1fr;
            }
            .module-card-horizontal,
            .module-card-wide {
                grid-column: span 1;
                flex-direction: column;
            }
            .module-card-horizontal .module-thumb,
            .module-card-wide .module-thumb {
                width: 100%;
            }
            .module-card-horizontal .module-thumb img,
            .module-card-wide .module-thumb img {
                height: 200px;
                min-height: auto;
            }
            .module-card-horizontal .module-body,
            .module-card-wide .module-body {
                width: 100%;
                padding: 20px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 639px) {
            .wrap {
                padding: 0 16px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cat-hero {
                padding: 56px 0;
            }
            .cat-hero-text h1 {
                font-size: 28px;
            }
            .cat-hero-text p {
                font-size: 15px;
            }
            .hero-tag {
                font-size: 11px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline-light {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #0B2A1A;
            --deep: #071B10;
            --pine: #1E4D36;
            --accent: #FF6B3D;
            --accent-dark: #E8501F;
            --gold: #F2B64B;
            --bg: #F7F3EC;
            --card: #FFFFFF;
            --border: #E5DECF;
            --text: #17241D;
            --muted: #5C6B62;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 2px 12px rgba(7, 27, 16, .06);
            --shadow-lift: 0 14px 30px rgba(7, 27, 16, .14);
            --container: 1200px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Oswald", "Barlow Condensed", "Arial Narrow", sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 28px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all .2s ease;
            line-height: 1;
            letter-spacing: .02em;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 80, 31, .25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
            border-radius: 14px;
        }
        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(8px);
        }
        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-badge {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .12);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text strong {
            font-size: 17px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .01em;
            white-space: nowrap;
        }
        .logo-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: .08em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }
        .nav-link {
            position: relative;
            padding: 6px 2px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: color .2s;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width .25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
        }

        /* Mobile Tabbar */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 62px;
            background: #fff;
            border-top: 1px solid var(--border);
            display: none;
            align-items: center;
            justify-content: space-around;
            z-index: 120;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 11px;
            color: #8A978F;
            flex: 1;
            padding: 6px 0;
            transition: color .2s;
        }
        .tab-item svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            stroke-width: 1.8;
            fill: none;
        }
        .tab-item.active {
            color: var(--accent-dark);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 24px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb a {
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #B8B2A6;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Article Main */
        .article-main {
            padding: 40px 0 80px;
        }
        .article-wrap {
            max-width: 920px;
            margin: 0 auto;
        }
        .article-head {
            margin-bottom: 36px;
        }
        .article-cat-link {
            display: inline-flex;
            align-items: center;
            background: rgba(11, 42, 26, .06);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
            transition: background .2s;
        }
        .article-cat-link:hover {
            background: rgba(11, 42, 26, .12);
        }
        .article-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.18;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: -.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 24px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            stroke-width: 1.7;
            fill: none;
            opacity: .7;
        }
        .article-excerpt {
            background: #FDF9F2;
            border-left: 3px solid var(--accent);
            padding: 18px 22px;
            font-size: 16px;
            line-height: 1.8;
            color: var(--muted);
            border-radius: 0 12px 12px 0;
            margin-bottom: 32px;
        }
        .article-cover {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 48px;
        }
        .article-cover img {
            width: 100%;
            height: auto;
            max-height: 520px;
            object-fit: cover;
        }

        /* Article Body */
        .article-body {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin: 2em 0 1em;
            color: var(--primary);
            position: relative;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }
        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.35;
            margin: 1.8em 0 1em;
            color: var(--primary);
        }
        .article-body p {
            margin-bottom: 1.5em;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: .45em;
            padding-left: 2px;
        }
        .article-body blockquote {
            background: #FDF9F2;
            border-left: 4px solid var(--accent);
            padding: 18px 22px;
            margin: 1.8em 0;
            color: var(--muted);
            font-size: 15px;
            border-radius: 0 12px 12px 0;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: opacity .2s;
        }
        .article-body a:hover {
            opacity: .8;
        }
        .article-body img {
            border-radius: 12px;
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }
        .article-body figure {
            margin: 1.8em 0;
        }
        .article-body figcaption {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            margin-top: -6px;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 14px;
        }
        .article-body th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            background: #fff;
        }
        .article-body tr:nth-child(even) td {
            background: #FAF7F0;
        }
        .article-body code {
            background: #E9F0EA;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--primary);
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }
        .article-body pre {
            background: var(--deep);
            padding: 24px;
            border-radius: 14px;
            overflow-x: auto;
            line-height: 1.7;
            margin: 1.8em 0;
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, .2);
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: #E8E6E3;
            font-size: 14px;
        }
        .article-body hr {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 2.5em 0;
        }

        /* Article End */
        .article-end {
            max-width: 720px;
            margin: 56px auto 0;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .tag-pill {
            background: #FDF9F2;
            border: 1px solid var(--border);
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--muted);
            transition: all .2s;
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .share-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 32px;
        }
        .share-label {
            font-size: 14px;
            color: var(--muted);
            margin-right: 4px;
        }
        .share-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            transition: all .2s;
        }
        .share-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .share-btn svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            stroke-width: 1.8;
            fill: none;
        }
        .pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 8px;
        }
        .pager-link {
            display: block;
            padding: 18px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fff;
            transition: all .25s ease;
        }
        .pager-link:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .pager-link .pager-label {
            display: block;
            font-size: 12px;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: .06em;
            margin-bottom: 6px;
        }
        .pager-link .pager-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .pager-link.next {
            text-align: right;
        }
        .back-to-list {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--muted);
            margin-top: 20px;
            transition: color .2s;
        }
        .back-to-list:hover {
            color: var(--primary);
        }

        /* Related Posts */
        .related-section {
            max-width: 920px;
            margin: 72px auto 0;
        }
        .related-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }
        .section-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .related-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
        }
        .related-link-more {
            font-size: 14px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color .2s;
        }
        .related-link-more:hover {
            color: var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s ease;
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
            border-color: transparent;
        }
        .related-card .thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .thumb img {
            transform: scale(1.05);
        }
        .related-card .body {
            padding: 16px 18px 18px;
        }
        .related-card .body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .date {
            font-size: 13px;
            color: var(--muted);
        }

        /* Not Found */
        .not-found-panel {
            text-align: center;
            padding: 80px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 24px;
            margin: 48px 0;
        }
        .not-found-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(242, 182, 75, .15);
            color: var(--gold);
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 24px;
        }
        .not-found-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }
        .not-found-desc {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 28px;
        }

        /* CTA */
        .cta-zone {
            margin-top: 88px;
            border-radius: 24px;
            background: var(--deep);
            padding: 72px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-zone::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 42, 26, .92) 0%, rgba(7, 27, 16, .75) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            max-width: 420px;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--deep);
            color: #9BAE9F;
            padding: 64px 0 28px;
            margin-top: 88px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #9BAE9F;
            transition: color .2s;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-col ul li span {
            font-size: 13px;
            color: #6C7F73;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: #6C7F73;
        }

        /* Animations */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fadeUp .6s ease both;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .mobile-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 70px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .cta-zone {
                padding: 48px 28px;
            }
            .article-title {
                font-size: 32px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 62px;
            }
            .logo-badge {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .logo-text strong {
                font-size: 15px;
            }
            .logo-text small {
                display: none;
            }
            .header-cta {
                padding: 0 14px;
                height: 36px;
                font-size: 13px;
                border-radius: 8px;
            }
            .article-wrap {
                padding: 0 4px;
            }
            .article-main {
                padding: 24px 0 48px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .article-title {
                font-size: 26px;
                line-height: 1.25;
            }
            .article-meta {
                gap: 8px 16px;
                font-size: 13px;
            }
            .article-excerpt {
                padding: 14px 16px;
                font-size: 15px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 22px;
                margin: 1.6em 0 .8em;
            }
            .article-body h3 {
                font-size: 19px;
            }
            .article-cover img {
                max-height: 260px;
            }
            .pager {
                grid-template-columns: 1fr;
            }
            .pager-link.next {
                text-align: left;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-title {
                font-size: 24px;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .not-found-panel {
                padding: 48px 16px;
            }
        }
        @media (max-width: 479px) {
            .header-cta {
                display: none;
            }
            .header-inner {
                justify-content: center;
            }
            .article-title {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B2A1A;
            --primary-dark: #071B10;
            --accent: #FF6B3D;
            --accent-dark: #E8501F;
            --gold: #F2B64B;
            --bg: #F7F3EC;
            --white: #FFFFFF;
            --border: #E5DECF;
            --text: #17241D;
            --text-secondary: #5C6B62;
            --radius: 16px;
            --shadow: 0 2px 12px rgba(7, 27, 16, .06);
            --shadow-hover: 0 14px 30px rgba(7, 27, 16, .14);
            --container: 1200px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Barlow Condensed", "Arial Narrow", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(255, 107, 61, .1);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            color: var(--text);
            font-weight: 700;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(247, 243, 236, .95);
            border-bottom: 1px solid var(--border);
            backdrop-filter: none;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 16px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .01em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: color .2s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width .2s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 12px;
            border: none;
            transition: all .2s ease;
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 107, 61, .45);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 107, 61, .3);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .7);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

        /* ===== Mobile Tabbar ===== */
        .mobile-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 6px 0 env(safe-area-inset-bottom, 6px);
            box-shadow: 0 -4px 20px rgba(7, 27, 16, .06);
        }
        .tabbar-inner {
            display: flex;
            justify-content: space-around;
            align-items: stretch;
        }
        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 4px;
            font-size: 11px;
            color: var(--text-secondary);
            flex: 1;
            border-radius: 12px;
            transition: color .15s ease;
        }
        .tab-item i {
            font-size: 18px;
        }
        .tab-item.active,
        .tab-item:hover {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--primary);
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 27, 16, .92) 0%, rgba(7, 27, 16, .72) 45%, rgba(7, 27, 16, .3) 100%);
        }
        .cat-hero-inner {
            position: relative;
            z-index: 1;
            padding: 80px 24px 70px;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 22px;
        }
        .breadcrumb a {
            transition: color .15s ease;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, .4);
        }
        .breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
        }
        .kicker {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 12px;
        }
        .cat-hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            max-width: 680px;
        }
        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Category Intro ===== */
        .cat-intro {
            padding: 96px 0;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-text h2 {
            font-size: clamp(28px, 3vw, 38px);
            margin-bottom: 20px;
        }
        .intro-text p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .intro-right {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .intro-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .intro-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 16px;
        }
        .tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 107, 61, .08);
            color: var(--primary);
            border: 1px solid rgba(255, 107, 61, .15);
            transition: all .15s ease;
        }
        .tag:hover {
            background: rgba(255, 107, 61, .15);
            border-color: rgba(255, 107, 61, .3);
        }
        .tag-green {
            background: rgba(11, 42, 26, .06);
            border-color: rgba(11, 42, 26, .12);
            color: var(--primary);
        }
        .tag-green:hover {
            background: rgba(11, 42, 26, .1);
        }
        .tag-gold {
            background: rgba(242, 182, 75, .1);
            border-color: rgba(242, 182, 75, .2);
            color: #8a5b10;
        }

        /* ===== Modules Section ===== */
        .cat-modules {
            padding: 96px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: clamp(28px, 3vw, 38px);
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.7;
        }
        .modules-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        .modules-grid:last-child {
            margin-bottom: 0;
        }
        .module-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease;
            display: flex;
            flex-direction: column;
        }
        .module-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .module-card .thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .module-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .module-card:hover .thumb img {
            transform: scale(1.04);
        }
        .module-card .thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 27, 16, .12) 100%);
        }
        .module-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .module-body .tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .module-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .module-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .module-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .module-card:hover .module-link {
            gap: 10px;
        }

        /* ===== Stats Panel ===== */
        .cat-stats {
            padding: 96px 0;
            background: var(--primary-dark);
            color: #fff;
        }
        .stats-panel {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 60px;
            align-items: center;
        }
        .stats-text .section-tag {
            background: rgba(255, 255, 255, .12);
            color: var(--gold);
        }
        .stats-text h2 {
            font-size: clamp(26px, 3vw, 36px);
            color: #fff;
            margin-bottom: 16px;
        }
        .stats-text p {
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
        }
        .stats-numbers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .stat-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 14px;
            padding: 28px 20px;
            text-align: center;
            transition: background .2s ease, border-color .2s ease;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .16);
        }
        .stat-num {
            display: block;
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: .01em;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
        }
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background .15s ease;
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            transition: color .15s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 61, .1);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .2s ease, background .2s ease;
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 8px 22px;
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 15px;
        }
        .faq-answer p {
            margin-bottom: 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 96px 0;
            text-align: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(7, 27, 16, .78);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-inner h2 {
            font-size: clamp(28px, 4vw, 40px);
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .7);
            padding-top: 72px;
            padding-bottom: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-logo {
            display: block;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color .15s ease;
        }
        .footer-col ul a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-tabbar {
                display: block;
            }
            .site-header {
                height: 64px;
            }
            .header-inner {
                height: 64px;
            }
            body {
                padding-bottom: 64px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stats-panel {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .cat-hero {
                min-height: 380px;
            }
            .cat-hero-inner {
                padding: 60px 20px 50px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .cat-intro,
            .cat-modules,
            .cat-stats,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .modules-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-numbers {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-num {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-actions .btn {
                flex: 1;
                min-width: 140px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 519px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero-inner {
                padding: 48px 16px 40px;
            }
            .intro-image img {
                height: 180px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-num {
                font-size: 26px;
            }
            .module-body {
                padding: 18px;
            }
            .brand-text {
                font-size: 18px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-tabbar {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }