/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f4a3aa;
            --accent: #1d3557;
            --accent-light: #457b9d;
            --bg: #ffffff;
            --bg-alt: #f8f9fa;
            --bg-dark: #0f1720;
            --text: #2b2d42;
            --text-light: #6c757d;
            --text-muted: #adb5bd;
            --border: #e9ecef;
            --border-light: #f1f3f5;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(0, 0, 0, .06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);
            --transition: all .3s ease;
            --container: 1200px;
            --spacing-section: 6rem;
            --spacing-section-sm: 4rem;
        }

        /* ===== 基础 Reset 与全局样式 ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover, a:focus {
            color: var(--primary);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input {
            font-family: inherit;
        }
        ul, ol {
            list-style: none;
        }
        :focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, .08);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, .3);
        }
        .logo em {
            font-style: normal;
            color: var(--primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-menu > li {
            position: relative;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            font-weight: 500;
            font-size: .95rem;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, .06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(230, 57, 70, .1);
            font-weight: 600;
        }
        .nav-link i {
            font-size: .85rem;
            opacity: .7;
        }
        /* Mega 下拉面板 */
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            width: 420px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
            border: 1px solid var(--border-light);
        }
        .nav-menu > li:hover .mega-panel,
        .nav-menu > li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            background: #fff;
            border-left: 1px solid var(--border-light);
            border-top: 1px solid var(--border-light);
            transform: translateX(-50%) rotate(45deg);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .mega-item {
            padding: 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            transition: var(--transition);
        }
        .mega-item:hover {
            background: rgba(230, 57, 70, .08);
            transform: translateY(-2px);
        }
        .mega-item h4 {
            font-size: .85rem;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .mega-item p {
            font-size: .78rem;
            color: var(--text-light);
            line-height: 1.4;
        }
        .nav-cta {
            margin-left: 12px;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: .9rem;
            box-shadow: 0 4px 14px rgba(230, 57, 70, .3);
            transition: var(--transition);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, .4);
            color: #fff;
        }
        /* 移动端导航 */
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            background: var(--bg-alt);
        }
        .nav-toggle:hover {
            background: var(--border);
        }
        @media (max-width: 968px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 76px;
                right: -100%;
                width: min(320px, 100%);
                height: calc(100vh - 76px);
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 8px;
                box-shadow: -10px 0 40px rgba(0,0,0,.1);
                transition: right .4s cubic-bezier(.77,0,.18,1);
                overflow-y: auto;
                border-left: 1px solid var(--border-light);
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-menu > li {
                width: 100%;
            }
            .nav-link {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
            }
            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                padding: 16px;
                border: none;
                display: none;
                background: var(--bg-alt);
                margin-top: 4px;
            }
            .nav-menu > li:hover .mega-panel,
            .nav-menu > li:focus-within .mega-panel {
                transform: none;
            }
            .nav-menu > li.active-mobile .mega-panel {
                display: block;
            }
            .mega-panel::before {
                display: none;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 16px;
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .navbar {
                height: 64px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: .95rem;
            }
            .nav-menu {
                top: 64px;
                height: calc(100vh - 64px);
            }
        }

        /* ===== 首屏 Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            background: linear-gradient(135deg, rgba(15, 23, 32, .92), rgba(29, 53, 87, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, rgba(255,255,255,1));
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 760px;
            padding: 100px 0 140px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: .9rem;
            font-weight: 500;
            margin-bottom: 32px;
            backdrop-filter: blur(8px);
            letter-spacing: .02em;
        }
        .hero-tag i {
            color: #ffd166;
        }
        .hero h1 {
            font-size: clamp(2.4rem, 5.5vw, 4.2rem);
            line-height: 1.15;
            letter-spacing: -.03em;
            font-weight: 800;
            margin-bottom: 24px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .3);
        }
        .hero h1 span {
            color: #ffd166;
            position: relative;
        }
        .hero h1 span::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 0;
            width: 100%;
            height: 10px;
            background: rgba(230, 57, 70, .5);
            border-radius: 4px;
            z-index: -1;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, .85);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 8px 30px rgba(230, 57, 70, .4);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: #ff4d5a;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, .5);
            color: #fff;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .4);
            border-radius: 50px;
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
        }
        .hero-stats {
            position: absolute;
            bottom: 80px;
            left: 0;
            right: 0;
            z-index: 3;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .stat-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            backdrop-filter: blur(12px);
            padding: 20px 28px;
            border-radius: var(--radius);
            flex: 1;
            min-width: 160px;
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #ffd166;
            line-height: 1.2;
        }
        .stat-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .8);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 80px 0 120px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                position: static;
                margin-bottom: 40px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary, .btn-ghost {
                justify-content: center;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-sm {
            padding: var(--spacing-section-sm) 0;
        }
        .section-header {
            max-width: 720px;
            margin-bottom: 56px;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .section-tag i {
            font-size: .75rem;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent);
            letter-spacing: -.02em;
            margin-bottom: 16px;
        }
        .section-title em {
            font-style: normal;
            color: var(--primary);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.8;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, .75);
        }
        @media (max-width: 768px) {
            .section {
                --spacing-section: 3.5rem;
                --spacing-section-sm: 2.5rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== 卡片系统 ===== */
        .card-grid {
            display: grid;
            gap: 28px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #fff;
        }
        .feature-icon.red {
            background: linear-gradient(135deg, #ff6b6b, var(--primary));
        }
        .feature-icon.blue {
            background: linear-gradient(135deg, #4dabf7, var(--accent));
        }
        .feature-icon.green {
            background: linear-gradient(135deg, #67e8a3, #16a34a);
        }
        .feature-icon.orange {
            background: linear-gradient(135deg, #ffd166, #ff9f43);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: .95rem;
            line-height: 1.7;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            font-weight: 600;
            font-size: .9rem;
            color: var(--primary);
        }
        .feature-link i {
            font-size: .8rem;
            transition: transform .3s ease;
        }
        .feature-link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 968px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 620px) {
            .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类入口卡片 ===== */
        .category-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: block;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .category-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .category-card:hover .category-cover img {
            transform: scale(1.06);
        }
        .category-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 32, .4), transparent 60%);
        }
        .category-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 255, 255, .92);
            color: var(--accent);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: .8rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }
        .category-body {
            padding: 24px;
        }
        .category-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .category-body p {
            font-size: .92rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .category-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }
        .category-meta .count {
            font-size: .82rem;
            color: var(--text-muted);
        }
        .category-meta .more {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-meta .more i {
            font-size: .75rem;
            transition: transform .3s ease;
        }
        .category-card:hover .category-meta .more i {
            transform: translateX(4px);
        }

        /* ===== 资讯/内容卡片 ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .post-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .post-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .post-thumb {
            flex: 0 0 200px;
            height: 140px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .post-info {
            flex: 1;
        }
        .post-cat {
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            padding: 2px 12px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .post-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .post-card:hover .post-title {
            color: var(--primary);
        }
        .post-excerpt {
            font-size: .92rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 12px;
            font-size: .82rem;
            color: var(--text-muted);
        }
        .post-meta i {
            margin-right: 4px;
        }
        @media (max-width: 768px) {
            .post-card {
                flex-direction: column;
                gap: 16px;
            }
            .post-thumb {
                flex: none;
                width: 100%;
                height: 180px;
            }
        }

        /* ===== 内容列表样式 ===== */
        .item-list {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .item-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 28px;
            transition: var(--transition);
            border-bottom: 1px solid var(--border-light);
        }
        .item-row:last-child {
            border-bottom: none;
        }
        .item-row:hover {
            background: rgba(230, 57, 70, .03);
        }
        .item-rank {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .item-rank.hot {
            color: #ff9f43;
        }
        .item-row h4 {
            flex: 1;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
        }
        .item-row:hover h4 {
            color: var(--primary);
        }
        .item-views {
            font-size: .85rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        @media (max-width: 600px) {
            .item-row {
                padding: 16px 20px;
                flex-wrap: wrap;
            }
            .item-rank {
                width: 30px;
                font-size: 1.1rem;
            }
            .item-views {
                display: none;
            }
        }

        /* ===== 数据/特色区 ===== */
        .feature-inline {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .feature-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 53, 87, .2), transparent);
        }
        .feature-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .feature-text p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-points {
            margin-top: 24px;
        }
        .feature-points li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 16px;
        }
        .feature-points i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 4px;
        }
        .feature-points h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .feature-points p {
            font-size: .92rem;
            color: var(--text-light);
            margin-bottom: 0;
        }
        @media (max-width: 968px) {
            .feature-inline {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-media img {
                height: 300px;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 48px;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 34px;
            right: -15px;
            width: 30px;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--primary-light) 0 6px, transparent 6px 12px);
        }
        .step-number {
            width: 68px;
            height: 68px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            box-shadow: 0 8px 24px rgba(230, 57, 70, .3);
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: .88rem;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }
        @media (max-width: 968px) {
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-item:nth-child(2)::after {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        /* ===== FAQ 面板 ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item.active {
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--accent);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: .9rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            color: var(--text-light);
            font-size: .95rem;
            line-height: 1.8;
        }
        @media (max-width: 600px) {
            .faq-question {
                padding: 18px 20px;
                font-size: .95rem;
            }
            .faq-answer-inner {
                padding: 0 20px 20px;
            }
        }

        /* ===== CTA 区域 ===== */
        .cta-wrap {
            background: linear-gradient(135deg, rgba(15, 23, 32, .95), rgba(29, 53, 87, .9)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: var(--radius);
            padding: 70px 60px;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-wrap::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(230, 57, 70, .3);
            border-radius: 50%;
            filter: blur(60px);
        }
        .cta-wrap h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-wrap p {
            color: rgba(255, 255, 255, .8);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        @media (max-width: 768px) {
            .cta-wrap {
                padding: 50px 30px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .7);
            padding-top: 70px;
            padding-bottom: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-about .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-about .logo-icon {
            background: linear-gradient(135deg, #ff4d5a, var(--primary-dark));
        }
        .footer-about .logo em {
            color: #ffd166;
        }
        .footer-about p {
            font-size: .9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .04em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: #ffd166;
            padding-left: 6px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.6;
        }
        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .4);
        }
        @media (max-width: 968px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 内页 Hero ===== */
        .page-banner {
            background: linear-gradient(135deg, rgba(15, 23, 32, .92), rgba(29, 53, 87, .85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }
        .page-banner h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .75);
            max-width: 600px;
            margin: 0 auto;
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 20px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
        }
        .breadcrumb a:hover {
            color: #ffd166;
        }
        .breadcrumb i {
            font-size: .75rem;
        }

        /* ===== 空消息样式 ===== */
        .empty-state {
            text-align: center;
            padding: 40px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .empty-state i {
            font-size: 2rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: block;
        }
        .empty-state p {
            color: var(--text-light);
        }

/* roulang page: category1 */
:root {
            --primary: #0d1b3e;
            --primary-light: #16294f;
            --primary-dark: #081226;
            --accent: #f0a500;
            --accent-light: #ffb936;
            --accent-dark: #d49200;
            --brand-green: #14b868;
            --bg: #f5f7fa;
            --bg-alt: #ffffff;
            --bg-dark: #0b1524;
            --text: #1a2332;
            --text-weak: #667085;
            --text-invert: #ffffff;
            --border: #e4e7ec;
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 28px;
            --shadow: 0 10px 30px rgba(13, 27, 62, 0.08);
            --shadow-lg: 0 20px 50px rgba(13, 27, 62, 0.14);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --section-space: 110px;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 14px;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1.06rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(13, 27, 62, 0.04);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(13, 27, 62, 0.2);
        }

        .logo em {
            font-style: normal;
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--primary);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(240, 165, 0, 0.15);
            color: var(--accent-dark);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-menu>li {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            padding: 10px 16px;
            border-radius: 100px;
            transition: var(--transition);
            cursor: pointer;
        }

        .nav-link i.fa-chevron-down {
            font-size: 11px;
            opacity: 0.7;
            transition: transform 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(13, 27, 62, 0.22);
        }

        .nav-link:hover i.fa-chevron-down {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            width: 520px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
            border: 1px solid var(--border);
            z-index: 100;
        }

        .nav-menu>li:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .mega-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: var(--transition);
        }

        .mega-item:hover {
            background: rgba(240, 165, 0, 0.08);
            transform: translateX(4px);
        }

        .mega-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .mega-item p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Hero / Page Banner ===== */
        .category-hero {
            position: relative;
            padding: 110px 0 110px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            color: #fff;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.36;
            filter: brightness(0.7);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.35) 0%, transparent 70%);
            border-radius: 50%;
            transform: translate(30%, -40%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .hero-content {
            flex: 1 1 500px;
        }

        .hero-crumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 26px;
            backdrop-filter: blur(6px);
        }

        .hero-crumb a:hover {
            color: var(--accent);
        }

        .hero-crumb .sep {
            opacity: 0.5;
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 18px;
            background: linear-gradient(120deg, #fff 40%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 1.12rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }

        .btn i {
            font-size: 15px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(240, 165, 0, 0.4);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            flex: 1 1 340px;
            max-width: 440px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            position: relative;
            z-index: 2;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius);
            padding: 26px 22px;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }

        .hero-stat-card .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-card .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ===== Category Cards ===== */
        .category-cards {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .cat-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(240, 165, 0, 0.4);
        }

        .cat-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .cat-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .cat-card:hover .cat-card-img img {
            transform: scale(1.06);
        }

        .cat-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 27, 62, 0.5) 0%, transparent 50%);
        }

        .cat-card-tag {
            position: absolute;
            left: 16px;
            bottom: 14px;
            z-index: 2;
            background: rgba(240, 165, 0, 0.92);
            color: var(--primary-dark);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.5px;
        }

        .cat-card-body {
            padding: 26px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .cat-card-body h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .cat-card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .cat-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--bg);
            color: var(--text-weak);
            border: 1px solid var(--border);
        }

        .badge-accent {
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent-dark);
            border-color: rgba(240, 165, 0, 0.25);
        }

        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .cat-card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-item .icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .stat-item .num {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ===== Featured Content ===== */
        .featured-content {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .content-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .content-card-img {
            height: 230px;
            overflow: hidden;
            position: relative;
        }

        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .content-card-meta {
            position: absolute;
            left: 16px;
            top: 16px;
            display: flex;
            gap: 8px;
            z-index: 2;
        }

        .meta-badge {
            background: rgba(13, 27, 62, 0.85);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 100px;
            backdrop-filter: blur(4px);
        }

        .content-card-body {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card-body h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .content-card-body h3:hover {
            color: var(--accent-dark);
        }

        .content-card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .content-card-info {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .content-card-info span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .content-card-info i {
            color: var(--accent);
        }

        /* ===== Timeline ===== */
        .process-section {
            background: var(--bg-alt);
            padding: var(--section-space) 0;
        }

        .timeline {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--accent), var(--primary), var(--border));
            border-radius: 100px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 48px 24px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -38px;
            top: 4px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(240, 165, 0, 0.3);
        }

        .timeline-dot i {
            font-size: 11px;
            color: var(--accent-dark);
        }

        .timeline-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .timeline-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 12px;
        }

        .timeline-card .text-accent {
            color: var(--accent-dark);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 28px;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(240, 165, 0, 0.4);
            box-shadow: var(--shadow);
        }

        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary);
        }

        .faq-item .faq-q i {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item:hover .faq-q i {
            transform: rotate(180deg);
        }

        .faq-item .faq-a {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.8;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px dashed var(--border);
            display: none;
        }

        .faq-item.active .faq-a {
            display: block;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            filter: brightness(0.5);
        }

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

        .cta-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1524;
            color: rgba(255, 255, 255, 0.65);
            padding: 80px 0 0;
        }

        .site-footer .logo {
            color: #fff;
            margin-bottom: 18px;
        }

        .site-footer .logo .logo-icon {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-about p {
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 340px;
            margin-top: 16px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 10px;
        }

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 28px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(13, 27, 62, 0.12);
                transform: translateY(-130%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.35s ease, opacity 0.35s ease, visibility 0.35s;
                z-index: 99;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-menu>li {
                width: 100%;
            }

            .nav-link {
                width: 100%;
                justify-content: flex-start;
                border-radius: var(--radius-sm);
                padding: 12px 16px;
            }

            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                box-shadow: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                background: var(--bg);
                border-radius: var(--radius-sm);
                padding: 16px;
                display: none;
                border: none;
                margin-top: 4px;
            }

            .nav-menu>li.open .mega-panel {
                display: block;
            }

            .mega-grid {
                gap: 8px;
            }

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

            .hero-stats {
                max-width: 100%;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 68px;
            }

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

            .section-head {
                margin-bottom: 36px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .category-hero {
                padding: 72px 0;
            }

            .hero-title {
                font-size: 2rem;
            }

            .stats-section {
                padding: 60px 0;
            }

            .cta-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }

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

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .cta-actions .btn {
                justify-content: center;
            }

            .hero-stat-card {
                padding: 18px 14px;
            }

            .hero-stat-card .num {
                font-size: 1.4rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .timeline-card {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
    --primary: #0d2b3e;
    --primary-light: #1b4459;
    --accent: #c8984b;
    --accent-dark: #a87c36;
    --bg: #f5f2eb;
    --surface: #ffffff;
    --text: #1d2733;
    --muted: #6b7785;
    --border: #e3ded3;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 10px rgba(13, 43, 62, .06);
    --shadow-md: 0 10px 30px rgba(13, 43, 62, .1);
    --shadow-lg: 0 24px 60px rgba(13, 43, 62, .14);
    --container: 1200px;
    --header-h: 78px;
    --transition: .25s ease;
    --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .25s ease;
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
    display: block;
}
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    border: none;
    outline: none;
    background: none;
}
ul, ol {
    list-style: none;
}
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.section {
    padding: 72px 0;
}
.icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ===== Button ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    text-align: center;
}
.btn i {
    font-size: 14px;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-outline-light {
    border-color: rgba(255, 255, 255, .7);
    color: #fff;
    background: transparent;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: #fff;
}
.btn-light {
    background: #fff;
    color: var(--primary);
}
.btn-light:hover {
    background: #f0ece4;
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(200, 152, 75, .55);
    outline-offset: 2px;
}

/* ===== Badge ===== */
.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(200, 152, 75, .16);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .02em;
    border: 1px solid rgba(200, 152, 75, .2);
}
.badge-light {
    background: rgba(255, 255, 255, .18);
    color: #fff;
    border-color: rgba(255, 255, 255, .25);
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(13, 43, 62, .04);
    height: var(--header-h);
}
.site-header .container {
    height: 100%;
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .01em;
    white-space: nowrap;
}
.logo:hover {
    color: var(--primary);
}
.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 6px 18px rgba(13, 43, 62, .22);
    flex-shrink: 0;
}
.logo em {
    font-style: normal;
    color: var(--accent);
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.nav-menu > li {
    position: relative;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
    transition: all .25s ease;
}
.nav-link:hover {
    color: var(--primary);
    background: rgba(13, 43, 62, .05);
}
.nav-link.active {
    color: var(--primary);
    background: rgba(13, 43, 62, .07);
}
.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
}
.nav-link .fa-chevron-down {
    font-size: 10px;
    opacity: .6;
    transition: transform .25s ease;
}
.nav-menu > li:hover .fa-chevron-down {
    transform: rotate(180deg);
}
.mega-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 440px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 18px;
    opacity: 0;
    visibility: hidden;
    transition: all .25s ease;
    z-index: 300;
}
.nav-menu > li:hover .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(6px);
}
.mega-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.mega-item {
    padding: 14px;
    border-radius: 12px;
    background: #f8f7f4;
    transition: all .25s ease;
}
.mega-item:hover {
    background: rgba(200, 152, 75, .1);
}
.mega-item h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--primary);
}
.mega-item p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(13, 43, 62, .06);
    color: var(--primary);
    font-size: 18px;
    cursor: pointer;
    transition: all .25s ease;
}
.nav-toggle:hover {
    background: rgba(13, 43, 62, .1);
}
.nav-toggle.active {
    background: var(--primary);
    color: #fff;
}

/* ===== Article Hero ===== */
.article-hero {
    background: linear-gradient(135deg, rgba(13, 43, 62, .94), rgba(27, 68, 89, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
    padding: 72px 0 60px;
    position: relative;
    overflow: hidden;
}
.article-hero::before {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 152, 75, .35), transparent 65%);
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, .7);
    margin-bottom: 26px;
}
.breadcrumb a {
    color: rgba(255, 255, 255, .8);
    transition: color .25s ease;
}
.breadcrumb a:hover {
    color: #fff;
}
.breadcrumb .sep {
    opacity: .5;
}
.breadcrumb span:last-child {
    color: rgba(255, 255, 255, .95);
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}
.article-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.3;
    font-weight: 800;
    margin-bottom: 20px;
    max-width: 820px;
    letter-spacing: .01em;
}
.hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, .75);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.meta-item i {
    color: var(--accent);
}

/* ===== Article Layout ===== */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    padding: 56px 0 64px;
    align-items: start;
}
.article-main {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(227, 222, 211, .7);
    overflow: hidden;
    padding: 0;
}
.article-cover img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}
.article-body {
    padding: 40px 44px 36px;
}
.article-content {
    font-size: 17px;
    line-height: 1.95;
    color: #2a3441;
}
.article-content > * + * {
    margin-top: 1.15em;
}
.article-content p {
    margin-bottom: 1.2em;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.4;
    margin: 1.6em 0 .7em;
    color: var(--primary);
    padding-left: 16px;
    border-left: 4px solid var(--accent);
}
.article-content h3 {
    font-size: 21px;
    font-weight: 700;
    margin: 1.4em 0 .6em;
    color: var(--primary);
}
.article-content strong {
    color: var(--primary);
    font-weight: 700;
}
.article-content a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content ul,
.article-content ol {
    padding-left: 6px;
    margin: 1.2em 0;
}
.article-content ul li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
}
.article-content ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .62em;
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: var(--accent);
    transform: rotate(45deg);
}
.article-content ol {
    counter-reset: item;
}
.article-content ol li {
    position: relative;
    padding-left: 34px;
    margin-bottom: 10px;
    counter-increment: item;
}
.article-content ol li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: .1em;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(13, 43, 62, .08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(200, 152, 75, .09);
    padding: 18px 24px;
    border-radius: 0 14px 14px 0;
    font-style: normal;
    color: var(--primary);
    font-weight: 600;
    margin: 1.5em 0;
}
.article-content img {
    border-radius: 14px;
    margin: 1.4em 0;
    box-shadow: var(--shadow-md);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 15px;
}
.article-content th {
    background: var(--primary);
    color: #fff;
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
}
.article-content td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}
.article-content tr:nth-child(even) td {
    background: rgba(13, 43, 62, .03);
}

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 44px 30px;
    border-top: 1px solid var(--border);
    background: #fbfaf7;
}
.tag-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-list > span {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
    margin-right: 6px;
}
.tag-btn {
    display: inline-block;
    padding: 5px 13px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    transition: all .25s ease;
}
.tag-btn:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: rgba(200, 152, 75, .08);
}
.share-box {
    display: flex;
    align-items: center;
    gap: 8px;
}
.share-box > span {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
    margin-right: 2px;
}
.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1eee7;
    color: var(--primary);
    font-size: 15px;
    transition: all .25s ease;
}
.share-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(200, 152, 75, .35);
}

/* ===== Author Box ===== */
.author-box {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 28px 44px;
    border-top: 1px solid var(--border);
    background: #fff;
    flex-wrap: wrap;
}
.author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(13, 43, 62, .2);
}
.author-info {
    flex: 1;
    min-width: 220px;
}
.author-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}
.author-info p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}
.author-actions {
    display: flex;
    gap: 10px;
}

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
}
.side-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(227, 222, 211, .7);
    padding: 28px;
    transition: box-shadow .25s ease;
}
.side-card:hover {
    box-shadow: var(--shadow-md);
}
.side-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid rgba(200, 152, 75, .22);
}
.side-card-title i {
    color: var(--accent);
    font-size: 16px;
}
.read-points {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.read-points li {
    display: flex;
    gap: 10px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
}
.read-points li .point-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: rgba(200, 152, 75, .12);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}
.hot-list {
    display: flex;
    flex-direction: column;
}
.hot-list li {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: background .2s ease;
}
.hot-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.hot-list li:hover h4 {
    color: var(--accent-dark);
}
.hot-num {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    background: rgba(13, 43, 62, .06);
    color: var(--primary);
    font-weight: 800;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.hot-list li:first-child .hot-num {
    background: var(--accent);
    color: #fff;
}
.hot-list h4 {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--text);
    margin-bottom: 4px;
    transition: color .25s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hot-list .hot-meta {
    font-size: 12px;
    color: var(--muted);
}
.side-guide {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    padding: 30px 28px;
    position: relative;
    overflow: hidden;
}
.side-guide::after {
    content: "";
    position: absolute;
    right: -50px;
    top: -50px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(200, 152, 75, .3);
}
.side-guide h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
}
.side-guide p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}
.side-guide .btn {
    width: 100%;
    position: relative;
    z-index: 2;
}

/* ===== Related ===== */
.related-section {
    background: #ebe6dc;
    padding: 72px 0;
}
.section-head {
    text-align: center;
    margin-bottom: 44px;
}
.section-head .section-tag {
    display: inline-block;
    padding: 5px 16px;
    border-radius: 20px;
    background: rgba(200, 152, 75, .14);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
}
.section-head p {
    color: var(--muted);
    font-size: 15px;
    max-width: 560px;
    margin: 0 auto;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.post-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(227, 222, 211, .6);
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.post-card-media {
    height: 190px;
    overflow: hidden;
    position: relative;
}
.post-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.post-card:hover .post-card-media img {
    transform: scale(1.05);
}
.post-card-media::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    background: linear-gradient(transparent, rgba(0, 0, 0, .3));
}
.post-card-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.post-card-body .badge {
    align-self: flex-start;
}
.post-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .25s ease;
}
.post-card:hover .post-card-body h3 {
    color: var(--primary);
}
.post-card-body p {
    font-size: 13px;
    line-height: 1.65;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.post-card-time {
    margin-top: auto;
    font-size: 12px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.empty-list {
    text-align: center;
    padding: 40px;
    color: var(--muted);
    background: var(--surface);
    border-radius: var(--radius);
    font-size: 15px;
}

/* ===== CTA ===== */
.cta-section {
    padding: 72px 0;
    background: var(--bg);
}
.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #234f66 100%);
    border-radius: 26px;
    padding: 60px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: "";
    position: absolute;
    left: -70px;
    top: -70px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(200, 152, 75, .25);
}
.cta-box::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -90px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}
.cta-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin: 0 auto 22px;
    box-shadow: 0 12px 30px rgba(200, 152, 75, .4);
    position: relative;
    z-index: 2;
}
.cta-box h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 14px;
    position: relative;
    z-index: 2;
}
.cta-box p {
    font-size: 15px;
    color: rgba(255, 255, 255, .8);
    max-width: 560px;
    margin: 0 auto 30px;
    position: relative;
    z-index: 2;
}
.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    position: relative;
    z-index: 2;
}

/* ===== Empty ===== */
.empty-section {
    padding: 110px 0;
    min-height: 55vh;
    display: flex;
    align-items: center;
}
.empty-box {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 64px 40px;
}
.empty-box .empty-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(200, 152, 75, .12);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
}
.empty-box h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}
.empty-box p {
    color: var(--muted);
    margin-bottom: 26px;
}

/* ===== Footer ===== */
.site-footer {
    background: #0d1f2b;
    color: rgba(255, 255, 255, .7);
    padding-top: 60px;
    border-top: 4px solid var(--accent);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-about .logo {
    color: #fff;
    margin-bottom: 16px;
}
.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .6);
    max-width: 320px;
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 11px;
}
.footer-col ul a {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
    transition: all .25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-col ul a:hover {
    color: var(--accent);
    transform: translateX(3px);
}
.footer-contact li {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .6);
}
.footer-contact li i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: stretch;
    }
    .article-sidebar .side-card {
        flex: 1 1 calc(50% - 12px);
    }
    .side-guide {
        flex-basis: 100%;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    .section {
        padding: 52px 0;
    }
    .site-header {
        height: auto;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .nav-actions {
        display: none;
    }
    .navbar {
        flex-wrap: wrap;
        padding: 12px 0;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #fff;
        border-radius: 16px;
        box-shadow: var(--shadow-md);
        padding: 14px;
        gap: 6px;
        margin-top: 4px;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu > li {
        width: 100%;
    }
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 14px 16px;
        border-radius: 12px;
    }
    .nav-link .fa-chevron-down {
        margin-left: auto;
    }
    .nav-link.active::after {
        display: none;
    }
    .mega-panel {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        min-width: 0;
        width: 100%;
        box-shadow: none;
        border: none;
        background: #f8f7f4;
        padding: 12px;
        border-radius: 12px;
        margin-top: 4px;
        transition: none;
    }
    .nav-menu > li:hover .mega-panel {
        transform: none;
    }
    .mega-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .article-hero {
        padding: 52px 0 44px;
    }
    .article-cover img {
        height: 260px;
    }
    .article-body {
        padding: 28px 22px 24px;
    }
    .toolbar {
        padding: 20px 22px 24px;
    }
    .author-box {
        padding: 22px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .cta-box {
        padding: 40px 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    .article-hero h1 {
        font-size: 26px;
    }
    .hero-meta {
        gap: 12px;
    }
    .article-sidebar .side-card {
        flex-basis: 100%;
    }
    .toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .breadcrumb span:last-child {
        max-width: 160px;
    }
}

/* roulang page: category2 */
:root {
  --primary: #e8552d;
  --primary-dark: #c43e1b;
  --primary-light: #fff1ec;
  --accent: #f6a821;
  --accent-light: #fff8e6;
  --bg: #f7f8fb;
  --bg-deep: #101828;
  --bg-soft: #eef1f6;
  --text: #1a2233;
  --text-weak: #667085;
  --text-light: #98a2b3;
  --border: #e4e8ef;
  --card-bg: #ffffff;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(16, 24, 40, .06);
  --shadow-lg: 0 12px 40px rgba(16, 24, 40, .1);
  --space: 80px;
  --transition: .25s ease;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button, input {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

::selection {
  background: var(--primary);
  color: #fff;
}

/* ===== Header & Nav ===== */
.site-header {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 12px rgba(16,24,40,.04);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(232,85,45,.3);
}

.logo em {
  font-style: normal;
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-menu > li {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
  transition: all var(--transition);
}

.nav-link i.fa-chevron-down {
  font-size: .7rem;
  color: var(--text-light);
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-link:hover i.fa-chevron-down,
.nav-link.active i.fa-chevron-down {
  transform: rotate(180deg);
  color: var(--primary);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  width: 420px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 100;
}

.nav-menu > li:hover .mega-panel,
.nav-menu > li:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: grid;
  gap: 16px;
}

.mega-item h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.mega-item p {
  font-size: .83rem;
  color: var(--text-weak);
  line-height: 1.5;
}

.mega-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.mega-item:hover {
  background: var(--bg-soft);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.nav-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* ===== Hero Banner ===== */
.page-hero {
  position: relative;
  background: linear-gradient(120deg, rgba(16,24,40,.9), rgba(16,24,40,.65)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 110px 0 80px;
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(246,168,33,.28), transparent 70%);
  border-radius: 50%;
}

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

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
}

.hero-breadcrumb a {
  color: rgba(255,255,255,.85);
}

.hero-breadcrumb a:hover {
  color: var(--accent);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 14px;
}

.page-hero h1 span {
  color: var(--accent);
}

.page-hero p.lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  max-width: 640px;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-tags .tag {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .85rem;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}

.hero-tags .tag:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* ===== Section base ===== */
.section {
  padding: var(--space) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.section-head h2 em {
  font-style: normal;
  color: var(--primary);
}

.section-head p {
  color: var(--text-weak);
  font-size: .95rem;
}

.section-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--primary-light);
  transition: all var(--transition);
  font-size: .9rem;
}

.section-link:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(3px);
}

/* ===== News Grid ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.news-card:hover .news-cover img {
  transform: scale(1.05);
}

.news-cover .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(16,24,40,.7);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .3px;
  border: 1px solid rgba(255,255,255,.18);
}

.news-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .8rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.news-meta i {
  color: var(--primary);
  margin-right: 4px;
}

.news-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.news-card:hover .news-body h3 {
  color: var(--primary);
}

.news-body p {
  color: var(--text-weak);
  font-size: .9rem;
  line-height: 1.65;
  flex: 1;
}

.news-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.news-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-weak);
}

.news-author .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
}

.news-read {
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition);
}

.news-card:hover .news-read {
  gap: 9px;
}

/* ===== Feature Block ===== */
.feature-block {
  background: var(--bg-deep);
  color: #fff;
  padding: var(--space) 0;
}

.feature-block .section-head h2 {
  color: #fff;
}

.feature-block .section-head p {
  color: rgba(255,255,255,.6);
}

.feature-list {
  display: grid;
  gap: 36px;
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-item.reverse .feature-image {
  order: 2;
}

.feature-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-image .image-caption {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(16,24,40,.72);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: .8rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,.15);
}

.feature-content .feature-tag {
  display: inline-block;
  background: rgba(232,85,45,.16);
  color: #ff9b7a;
  font-size: .8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: .5px;
}

.feature-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
}

.feature-content p {
  color: rgba(255,255,255,.7);
  font-size: .95rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.feature-points {
  display: grid;
  gap: 10px;
}

.feature-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: rgba(255,255,255,.85);
}

.feature-points li i {
  color: var(--accent);
  font-size: .9rem;
}

/* ===== Rank List ===== */
.rank-section {
  background: var(--bg-soft);
}

.rank-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.rank-list {
  display: grid;
  gap: 14px;
}

.rank-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.rank-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,85,45,.25);
}

.rank-number {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition);
}

.rank-card:hover .rank-number {
  background: var(--primary);
  color: #fff;
}

.rank-card:nth-child(1) .rank-number {
  background: linear-gradient(135deg, var(--accent), #f78b3b);
  color: #fff;
}

.rank-info {
  flex: 1;
}

.rank-info h4 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.rank-info p {
  font-size: .82rem;
  color: var(--text-weak);
}

.rank-heat {
  font-size: .82rem;
  color: var(--text-light);
  white-space: nowrap;
}

.rank-heat i {
  color: var(--primary);
  margin-right: 4px;
}

.rank-side {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
}

.rank-side h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rank-side h4 i {
  color: var(--primary);
}

.quick-links {
  display: grid;
  gap: 12px;
}

.quick-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.quick-link-item:hover {
  background: var(--primary-light);
  border-color: rgba(232,85,45,.25);
  transform: translateX(4px);
}

.quick-link-item .ql-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
}

.quick-link-item .ql-text {
  flex: 1;
}

.quick-link-item .ql-text strong {
  display: block;
  font-size: .9rem;
  font-weight: 700;
}

.quick-link-item .ql-text span {
  font-size: .8rem;
  color: var(--text-weak);
}

.quick-link-item i.fa-arrow-right {
  color: var(--text-light);
  font-size: .8rem;
  transition: all var(--transition);
}

.quick-link-item:hover i.fa-arrow-right {
  color: var(--primary);
  transform: translateX(2px);
}

/* ===== Stat Panel ===== */
.stat-panel {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  border-radius: 24px;
  padding: 50px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  box-shadow: 0 20px 50px rgba(232,85,45,.25);
  position: relative;
  overflow: hidden;
}

.stat-panel::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.stat-panel::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: -80px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}

.stat-item {
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 2;
}

.stat-item .num {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-item .label {
  font-size: .9rem;
  opacity: .85;
  margin-top: 6px;
}

.stat-item i {
  font-size: 1.4rem;
  margin-bottom: 10px;
  display: block;
  opacity: .9;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--space) 0;
}

.cta-box {
  background: linear-gradient(135deg, #101828, #1e293b), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  background-blend-mode: overlay;
  border-radius: 24px;
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(232,85,45,.3), transparent 70%);
}

.cta-content {
  position: relative;
  z-index: 2;
  color: #fff;
  flex: 1;
  min-width: 260px;
}

.cta-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-content p {
  color: rgba(255,255,255,.7);
  font-size: .95rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(232,85,45,.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232,85,45,.4);
}

.btn-white {
  background: #fff;
  color: var(--text);
}

.btn-white:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-light {
  border-color: rgba(255,255,255,.6);
  color: #fff;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--text);
}

.btn:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid rgba(232,85,45,.4);
  outline-offset: 2px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-soft);
}

.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: rgba(232,85,45,.25);
}

.faq-question {
  width: 100%;
  background: none;
  text-align: left;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question i {
  color: var(--primary);
  font-size: .9rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-weak);
  font-size: .92rem;
  line-height: 1.75;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  color: #fff;
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-about .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-about p {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #fff;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col ul li a {
  color: rgba(255,255,255,.62);
  font-size: .9rem;
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.62);
  font-size: .9rem;
}

.footer-contact li i {
  color: var(--primary);
  width: 16px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.4);
  font-size: .83rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-item,
  .feature-item.reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature-item.reverse .feature-image {
    order: 0;
  }

  .rank-layout {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space: 60px;
  }

  .navbar {
    height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }

  .nav-menu.open {
    max-height: 560px;
    overflow-y: auto;
  }

  .nav-menu > li {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 14px 16px;
  }

  .mega-panel {
    position: static;
    width: 100%;
    transform: none;
    opacity: 1;
    visibility: visible;
    margin-top: 8px;
    display: none;
    box-shadow: none;
    padding: 16px;
  }

  .nav-menu > li:hover .mega-panel {
    transform: none;
  }

  .nav-menu > li.open .mega-panel {
    display: block;
  }

  .page-hero {
    padding: 70px 0 50px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 28px;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-box {
    padding: 40px 28px;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 520px) {
  .stat-panel {
    grid-template-columns: 1fr;
    padding: 34px 24px;
  }

  .rank-card {
    flex-wrap: wrap;
  }

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

  .hero-tags .tag {
    font-size: .78rem;
    padding: 5px 12px;
  }

  .news-body {
    padding: 16px 18px 18px;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0a1e3c;
  --primary-light: #123060;
  --primary-deep: #071530;
  --accent: #e8b04b;
  --accent-strong: #c98f2e;
  --accent-light: #f7e9c4;
  --bg: #f4f7fc;
  --white: #ffffff;
  --text: #1a2333;
  --muted: #6b7a99;
  --border: #e2e8f2;
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-xl: 0 24px 60px rgba(10, 30, 60, .14);
  --shadow-lg: 0 16px 42px rgba(10, 30, 60, .10);
  --shadow-md: 0 8px 24px rgba(10, 30, 60, .08);
  --shadow-sm: 0 4px 14px rgba(10, 30, 60, .06);
  --transition: .3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
.container { max-width: 1220px; margin: 0 auto; padding: 0 24px; }
::selection { background: var(--accent); color: var(--primary); }
:focus-visible { outline: 3px solid rgba(232, 176, 75, .5); outline-offset: 2px; border-radius: 4px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 232, 242, .8);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, .94);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  position: relative;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .5px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--accent);
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 6px 18px rgba(10, 30, 60, .18);
}
.logo em {
  font-style: normal;
  color: var(--accent-strong);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.nav-toggle:hover { background: var(--primary); color: #fff; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}
.nav-link i.fa-chevron-down {
  font-size: 10px;
  color: var(--muted);
  transition: transform var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(10, 30, 60, .06);
  transform: translateY(-1px);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(232, 176, 75, .14);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
}
.nav-link.active i.fa-chevron-down { color: var(--accent-strong); }
.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 520px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 22px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 500;
}
.nav-menu > li:hover .mega-panel,
.nav-menu > li:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-panel::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.mega-item {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: background var(--transition), transform var(--transition);
}
.mega-item:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}
.mega-item h4 {
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 6px;
}
.mega-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: .3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: var(--primary);
  box-shadow: 0 10px 26px rgba(232, 176, 75, .35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(232, 176, 75, .42);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
  transform: translateY(-3px);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: 110px 0 120px;
  background: linear-gradient(135deg, rgba(10, 30, 60, .94) 0%, rgba(18, 48, 96, .86) 55%, rgba(10, 30, 60, .78) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(232, 176, 75, .28), transparent 65%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, .9);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,.5); }
.page-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.page-title span {
  color: var(--accent);
  position: relative;
}
.hero-subtitle {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 17px;
  color: rgba(255, 255, 255, .8);
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 13px;
  color: rgba(255, 255, 255, .88);
  backdrop-filter: blur(6px);
}
.hero-badges i { color: var(--accent); }

/* Section */
.section { padding: 96px 0; }
.section-alt { background: var(--white); }
.section-header {
  max-width: 640px;
  margin-bottom: 54px;
}
.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 40px;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}

/* Quick Guide Cards */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.quick-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.quick-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.quick-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.quick-card:hover::before { transform: scaleX(1); }
.quick-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  background: linear-gradient(135deg, var(--accent-light), #fff);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.quick-card:hover .quick-icon { transform: scale(1.08) rotate(-4deg); }
.quick-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}
.quick-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* Steps */
.steps-wrap {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: 64px 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.steps-wrap::before {
  content: '';
  position: absolute;
  left: -80px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(232, 176, 75, .25), transparent 65%);
}
.steps-wrap::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, .1), transparent 60%);
}
.steps-title {
  font-size: 28px;
  font-weight: 900;
  text-align: center;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}
.steps-desc {
  text-align: center;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  margin-bottom: 52px;
  position: relative;
  z-index: 2;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}
.step-item {
  position: relative;
  text-align: center;
}
.step-item::after {
  content: '\f178';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -24px;
  top: 30px;
  color: rgba(232, 176, 75, .6);
  font-size: 16px;
  z-index: -1;
}
.step-item:last-child::after { display: none; }
.step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  color: var(--accent);
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 20px rgba(0,0,0,.12);
}
.step-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, .68);
  line-height: 1.6;
}

/* Guide Cards */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.guide-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.guide-cover {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.guide-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.guide-card:hover .guide-cover img { transform: scale(1.05); }
.guide-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 30, 60, .55), transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 22px;
}
.guide-cover-tag {
  background: var(--accent);
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 30px;
}
.guide-body {
  padding: 30px;
}
.guide-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.4;
}
.guide-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
}
.guide-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.guide-list li i {
  color: var(--accent-strong);
  margin-top: 4px;
  font-size: 13px;
}
.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: gap var(--transition);
}
.guide-link:hover { gap: 14px; color: var(--accent-strong); }

/* Tip Cards */
.tip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 28px;
}
.tip-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.tip-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-4px);
}
.tip-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent-strong);
  background: var(--accent-light);
  margin-bottom: 14px;
}
.tip-card h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.tip-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* Articles */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.article-item {
  display: flex;
  gap: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all var(--transition);
}
.article-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}
.article-thumb {
  flex-shrink: 0;
  width: 148px;
  height: 128px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.article-item:hover .article-thumb img { transform: scale(1.06); }
.article-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}
.article-meta .badge {
  background: var(--accent-light);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 30px;
}
.article-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.article-item:hover .article-title { color: var(--primary); }
.article-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* FAQ */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item.active {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition), background var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-item.active .faq-question { color: var(--primary); }
.faq-question .faq-toggle {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
  transition: all var(--transition);
}
.faq-item.active .faq-toggle {
  background: var(--accent);
  color: var(--primary);
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
  margin-top: 2px;
}

/* CTA */
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 70%, #1d4b8f 100%);
  border-radius: var(--radius-xl);
  padding: 64px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.cta-box::before {
  content: '';
  position: absolute;
  right: -70px;
  top: -70px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(232, 176, 75, .35), transparent 65%);
}
.cta-box::after {
  content: '';
  position: absolute;
  left: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 60%);
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -.5px;
}
.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, .75);
  max-width: 560px;
  margin: 0 auto 30px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, .72);
  padding: 76px 0 0;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-about .logo {
  color: #fff;
  margin-bottom: 18px;
}
.footer-about .logo-icon {
  background: rgba(255, 255, 255, .1);
  color: var(--accent);
  box-shadow: none;
}
.footer-about p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul li a::before {
  content: '\f105';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 11px;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-col ul li a:hover::before { opacity: 1; transform: translateX(0); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
}
.footer-contact i {
  color: var(--accent);
  font-size: 13px;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .42);
}

/* Responsive */
@media (max-width: 1024px) {
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .step-item::after { display: none; }
  .tip-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    gap: 6px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height .4s ease, opacity .3s ease, visibility .3s ease;
  }
  .nav-menu.open {
    max-height: calc(100vh - 80px);
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }
  .nav-menu > li { width: 100%; }
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-sm);
  }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(232, 176, 75, .16); color: var(--primary); }
  .mega-panel {
    position: static;
    width: 100%;
    transform: none;
    padding: 14px;
    box-shadow: none;
    border: none;
    border-radius: var(--radius-sm);
    opacity: 1;
    visibility: visible;
    display: none;
    background: var(--bg);
    margin: 0;
  }
  .mega-panel.open { display: block; }
  .nav-menu > li:hover .mega-panel {
    transform: none;
  }
  .mega-grid { grid-template-columns: 1fr; gap: 10px; }
  .page-hero { padding: 80px 0 90px; }
  .page-title { font-size: 34px; }
  .hero-subtitle { font-size: 15px; }
  .section { padding: 68px 0; }
  .section-title { font-size: 28px; }
  .steps-wrap { padding: 44px 28px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-cover { height: 200px; }
  .cta-box { padding: 44px 28px; }
  .cta-content h2 { font-size: 26px; }
  .faq-question { font-size: 15px; padding: 18px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .quick-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .tip-grid { grid-template-columns: 1fr; }
  .article-item { flex-direction: column; }
  .article-thumb { width: 100%; height: 170px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .page-title { font-size: 28px; line-height: 1.3; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .section-title { font-size: 24px; }
}