/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0B5FFF;
            --primary-dark: #0645C4;
            --primary-light: #E8F0FF;
            --secondary: #FF6B35;
            --secondary-light: #FFF1EA;
            --dark: #0A1633;
            --dark-light: #15233F;
            --bg: #F4F7FB;
            --bg-white: #FFFFFF;
            --text: #1B2333;
            --text-weak: #6B7A90;
            --border: #E6EAF2;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(10, 22, 51, 0.06);
            --shadow-lg: 0 14px 44px rgba(10, 22, 51, 0.12);
            --transition: all 0.3s ease;
        }

        /* ========== 基础重置 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            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: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin: 0 0 0.5rem;
        }
        p {
            margin: 0 0 1rem;
        }

        /* ========== 容器 ========== */
        .site-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(10, 22, 51, 0.04);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0;
            font-weight: 800;
            font-size: 19px;
            color: var(--dark);
            letter-spacing: -0.3px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4A9FFF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            box-shadow: 0 4px 12px rgba(11, 95, 255, 0.25);
            flex-shrink: 0;
        }
        .site-header .navbar-brand span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .nav-link {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            padding: 8px 18px !important;
            border-radius: 50px;
            position: relative;
        }
        .site-header .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 2px;
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            position: relative;
        }
        .header-search input {
            width: 180px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0 18px 0 42px;
            font-size: 14px;
            background: var(--bg);
            transition: var(--transition);
            outline: none;
            color: var(--text);
        }
        .header-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(11, 95, 255, 0.08);
            width: 230px;
        }
        .header-search i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 14px;
            pointer-events: none;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(11, 95, 255, 0.25);
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 95, 255, 0.35);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .navbar-toggler {
            border: none;
            color: var(--dark);
            font-size: 22px;
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 16, 40, 0.92) 0%, rgba(11, 95, 255, 0.35) 70%, rgba(10, 22, 51, 0.2) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 50px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-size: 52px;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            position: relative;
            color: #FFB347;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
        }
        .btn-hero-primary:hover {
            background: #F8551F;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 107, 53, 0.45);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 52px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ========== 数据指标 ========== */
        .stats-section {
            padding: 60px 0;
            transform: translateY(-30px);
            position: relative;
            z-index: 5;
        }
        .stats-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 36px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            border: 1px solid rgba(230, 234, 242, 0.8);
        }
        .stats-item {
            text-align: center;
            padding: 12px 8px;
            position: relative;
        }
        .stats-item + .stats-item::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border);
        }
        .stats-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 14px;
        }
        .stats-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
        }
        .stats-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== 分类入口 ========== */
        .category-section {
            background: var(--bg-white);
            padding: 88px 0;
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: block;
            color: var(--text);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 95, 255, 0.2);
            color: var(--text);
        }
        .category-thumb {
            height: 220px;
            position: relative;
            overflow: hidden;
        }
        .category-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-thumb img {
            transform: scale(1.06);
        }
        .category-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 22, 51, 0.55));
        }
        .category-icon {
            position: absolute;
            left: 24px;
            bottom: -24px;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 6px 18px rgba(11, 95, 255, 0.3);
            z-index: 2;
        }
        .category-content {
            padding: 40px 24px 28px;
        }
        .category-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .category-content p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .category-tag {
            background: var(--bg);
            color: var(--text-weak);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 500;
        }
        .category-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
        }
        .category-card:hover .category-more {
            gap: 10px;
        }

        /* ========== 最新资讯 / CMS列表 ========== */
        .news-section {
            padding: 88px 0;
            background: var(--bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 95, 255, 0.15);
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }
        .news-category {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .news-time {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card h4 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card h4 a {
            color: var(--dark);
        }
        .news-card h4 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
        }
        .read-more i {
            transition: transform 0.3s ease;
        }
        .read-more:hover i {
            transform: translateX(4px);
        }
        .empty-state {
            grid-column: 1 / -1;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-weak);
        }
        .empty-state i {
            font-size: 40px;
            color: #CBD5E1;
            margin-bottom: 14px;
            display: block;
        }
        .empty-state p {
            font-size: 15px;
            margin: 0;
        }

        /* ========== 热门推荐 ========== */
        .hot-section {
            padding: 88px 0;
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hot-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(11, 95, 255, 0.25), transparent 70%);
        }
        .hot-section .section-title {
            color: #fff;
        }
        .hot-section .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }
        .hot-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: #8AB8FF;
        }
        .hot-slider {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
            z-index: 2;
        }
        .hot-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }
        .hot-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-5px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
        }
        .hot-card-img {
            height: 150px;
            overflow: hidden;
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover .hot-card-img img {
            transform: scale(1.08);
        }
        .hot-card-body {
            padding: 18px 20px 22px;
        }
        .hot-card-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--secondary);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .hot-card-body h4 {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .hot-card-body p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 使用流程 ========== */
        .process-section {
            padding: 88px 0;
            background: var(--bg-white);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(11, 95, 255, 0.25);
        }
        .step-item h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }
        .process-note {
            text-align: center;
            margin-top: 36px;
            background: var(--primary-light);
            padding: 16px 24px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 88px 0;
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(11, 95, 255, 0.25);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--dark);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-question i {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 88px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, var(--primary-dark), rgba(11, 95, 255, 0.75));
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 660px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
        }
        .cta-box h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-cta-white {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
            background: #F8FAFF;
        }
        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 17px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .stats-card {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stats-item + .stats-item::before {
                display: none;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-slider {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 900px) {
            .site-header .header-search {
                display: none;
            }
            .site-header .btn-primary-custom {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .hero {
                padding: 90px 0 80px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-num {
                font-size: 24px;
            }
            .stats-card {
                padding: 24px;
                grid-template-columns: 1fr 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .hot-slider {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                text-align: center;
            }
            .footer-brand .footer-logo {
                justify-content: center;
            }
            .footer-desc {
                margin: 0 auto;
            }
        }
        @media (max-width: 520px) {
            .site-container {
                padding: 0 16px;
            }
            .navbar-nav {
                padding: 12px 0;
            }
            .hot-slider {
                grid-template-columns: 1fr;
            }
            .stats-card {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
                gap: 14px;
            }
            .stats-num {
                font-size: 22px;
            }
            .stats-label {
                font-size: 12px;
            }
            .stats-icon {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }
            .category-thumb {
                height: 180px;
            }
            .news-card {
                padding: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 18px 18px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .btn-cta-white,
            .btn-cta-outline {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0d1f3c;
            --primary-light: #183a63;
            --primary-lighter: #23507f;
            --accent: #f0b90b;
            --accent-dark: #d4a20a;
            --accent-soft: #fdeca8;
            --bg-light: #f5f7fb;
            --bg-blue: #eef3fa;
            --text: #1a1f36;
            --text-muted: #5b6477;
            --text-light: #98a1b3;
            --border: #e5e9f2;
            --border-light: #eef1f6;
            --white: #ffffff;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(13, 31, 60, 0.06);
            --shadow-md: 0 6px 24px rgba(13, 31, 60, 0.08);
            --shadow-lg: 0 16px 40px rgba(13, 31, 60, 0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.25s ease-in-out;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .site-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .site-header .navbar {
            min-height: 72px;
            padding: 0;
            gap: 20px;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .site-header .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            border-radius: 10px;
            font-size: 1rem;
        }

        .site-header .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 1.25rem;
            padding: 6px 10px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 0.25rem rgba(240, 185, 11, 0.3);
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 10px 20px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .site-header .nav-link:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            background: var(--bg-blue);
            font-weight: 600;
        }

        .site-header .header-actions {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-left: auto;
        }

        .site-header .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 8px 16px;
            min-width: 190px;
            transition: var(--transition);
        }

        .site-header .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.12);
        }

        .site-header .header-search i {
            color: var(--text-light);
            font-size: 0.85rem;
        }

        .site-header .header-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.88rem;
            color: var(--text);
            width: 100%;
        }

        .site-header .header-search input::placeholder {
            color: var(--text-light);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--white);
            border: none;
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
        }

        .btn-primary-custom:focus,
        .btn-outline-custom:focus {
            outline: none;
            box-shadow: 0 0 0 0.25rem rgba(240, 185, 11, 0.35);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: var(--white);
            border-radius: 999px;
            padding: 10px 26px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(120deg, rgba(13, 31, 60, 0.94), rgba(24, 58, 99, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: var(--white);
            padding: 88px 0 76px;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.12);
            pointer-events: none;
        }

        .page-hero .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
        }

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

        .page-hero .hero-breadcrumb i {
            font-size: 0.7rem;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

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

        .page-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

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

        .page-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 56px;
            padding-top: 34px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .page-hero .stat-item .stat-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .page-hero .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Section Base ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head .section-tagline {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: var(--accent-soft);
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Entry Methods ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .method-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .method-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .method-card .method-image {
            position: relative;
            height: 150px;
            overflow: hidden;
        }

        .method-card .method-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .method-card .method-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 31, 60, 0.75);
            color: var(--accent);
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            backdrop-filter: blur(4px);
        }

        .method-card .method-body {
            padding: 20px 20px 24px;
            flex: 1;
        }

        .method-card .method-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .method-card .method-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .method-body .method-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 14px;
        }

        .method-body .method-link i {
            font-size: 0.75rem;
            transition: transform 0.2s ease;
        }

        .method-body .method-link:hover {
            color: var(--accent-dark);
        }

        .method-body .method-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Login Process ===== */
        .login-process {
            background: linear-gradient(120deg, rgba(13, 31, 60, 0.96), rgba(24, 58, 99, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: var(--white);
            padding: 88px 0;
        }

        .login-process .section-head h2 {
            color: var(--white);
        }

        .login-process .section-head p {
            color: rgba(255, 255, 255, 0.77);
        }

        .login-process .section-head .section-tagline {
            background: rgba(255, 255, 255, 0.14);
            color: var(--accent);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process-step;
        }

        .process-step {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 22px 24px;
            transition: var(--transition);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(240, 185, 11, 0.5);
            transform: translateY(-4px);
        }

        .process-step::before {
            counter-increment: process-step;
            content: '0' counter(process-step);
            position: absolute;
            top: 20px;
            right: 22px;
            font-size: 2rem;
            font-weight: 800;
            color: rgba(240, 185, 11, 0.35);
            line-height: 1;
        }

        .process-step .step-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ffd045);
            color: var(--primary);
            border-radius: 14px;
            font-size: 1.2rem;
            margin-bottom: 18px;
            box-shadow: 0 8px 20px rgba(240, 185, 11, 0.25);
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--white);
        }

        .process-step p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Preparation ===== */
        .prep-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .prep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .prep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .prep-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 70%, rgba(13, 31, 60, 0.6));
        }

        .prep-body h2 {
            font-size: clamp(1.4rem, 2.2vw, 1.8rem);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .prep-body > p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 26px;
        }

        .prep-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .prep-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.92rem;
            color: var(--text);
            line-height: 1.7;
        }

        .prep-list li:last-child {
            border-bottom: none;
        }

        .prep-list .prep-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-blue);
            color: var(--primary);
            border-radius: 8px;
            font-size: 0.8rem;
            margin-top: 2px;
        }

        /* ===== Related Articles ===== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .article-card .article-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .article-card .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .article-card .article-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(13, 31, 60, 0.35));
        }

        .article-card .article-body {
            padding: 22px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .article-card .article-meta .article-tag {
            background: var(--bg-blue);
            color: var(--primary);
            font-weight: 600;
            border-radius: 999px;
            padding: 3px 12px;
        }

        .article-card .article-body h3 {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
        }

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

        .article-card .article-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .article-extra {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .article-card .article-extra i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        .article-card .article-extra .read-more {
            margin-left: auto;
            color: var(--primary);
            font-weight: 600;
            transition: var(--transition);
        }

        .article-card .article-extra .read-more:hover {
            color: var(--accent-dark);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background: var(--white);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-wrap .accordion-button {
            font-size: 0.97rem;
            font-weight: 600;
            color: var(--text);
            padding: 18px 22px;
            background: var(--white);
            border: none;
            transition: var(--transition);
        }

        .faq-wrap .accordion-button:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-blue);
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(240, 185, 11, 0.15);
        }

        .faq-wrap .accordion-button::after {
            background-size: 1rem;
        }

        .faq-wrap .accordion-body {
            padding: 6px 22px 22px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--white);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(120deg, rgba(13, 31, 60, 0.97), rgba(24, 58, 99, 0.93)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: var(--white);
            padding: 72px 0;
            border-radius: 24px;
            margin: 80px 0;
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 20px;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--white);
        }

        .cta-inner p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cta-inner .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        .cta-inner .btn-cta-yellow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 12px 32px;
            font-size: 0.92rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .cta-inner .btn-cta-yellow:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(240, 185, 11, 0.35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 44px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-logo .brand-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(240, 185, 11, 0.18);
            color: var(--accent);
            border-radius: 9px;
            font-size: 0.95rem;
        }

        .footer-desc {
            font-size: 0.86rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
            margin: 0;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 22px 0;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.42);
            margin: 0;
            letter-spacing: 0.02em;
        }

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

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

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

            .site-header .header-search {
                min-width: 140px;
            }

            .site-header .btn-primary-custom {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .header-actions {
                display: none;
            }

            .site-header .navbar-collapse {
                padding: 14px 0 20px;
            }

            .site-header .nav-link {
                padding: 10px 16px;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .page-hero .hero-stats {
                gap: 24px;
                margin-top: 40px;
            }

            .section {
                padding: 60px 0;
            }

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

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

            .prep-image img {
                aspect-ratio: 16 / 9;
            }

            .articles-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }

            .article-card .article-image {
                height: 200px;
            }

            .cta-section {
                margin: 56px 0;
                padding: 56px 0;
            }
        }

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

            .navbar-brand {
                font-size: 1rem !important;
            }

            .entry-grid,
            .process-steps {
                grid-template-columns: 1fr;
            }

            .method-card .method-image {
                height: 180px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-desc {
                font-size: 0.95rem;
            }

            .page-hero .hero-actions .btn-primary-custom,
            .page-hero .hero-actions .btn-outline-custom {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .site-footer {
                padding: 48px 0 0;
            }

            .cta-inner .cta-buttons .btn-cta-yellow {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --primary: #2b6ef3;
            --primary-dark: #1e56c8;
            --primary-light: #e8effd;
            --secondary: #10b981;
            --secondary-dark: #0a9f6e;
            --accent: #f59e0b;
            --dark: #0b1220;
            --dark-2: #111c30;
            --bg: #f4f6fb;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(2, 12, 27, 0.08);
            --shadow-lg: 0 12px 40px rgba(2, 12, 27, 0.12);
            --shadow-hover: 0 16px 48px rgba(43, 110, 243, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: var(--font-main);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(2, 12, 27, 0.05);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .site-header .navbar {
            padding: 14px 0;
            min-height: 74px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--dark) !important;
            letter-spacing: -0.3px;
            margin-right: 32px;
        }

        .navbar-brand:hover {
            color: var(--primary) !important;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4f8dff);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(43, 110, 243, 0.35);
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            padding: 8px 18px !important;
            font-size: 15px;
            font-weight: 600;
            color: var(--text) !important;
            border-radius: 50px;
            position: relative;
            transition: var(--transition);
        }

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

        .nav-link.active {
            color: var(--primary) !important;
            background: var(--primary-light);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 16px;
            width: 210px;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(43, 110, 243, 0.12);
            background: var(--white);
        }

        .header-search i {
            color: var(--text-weak);
            font-size: 13px;
            margin-right: 8px;
        }

        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 13px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary), #4f8dff);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(43, 110, 243, 0.3);
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(43, 110, 243, 0.4);
            color: #fff;
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(43, 110, 243, 0.3);
        }

        .navbar-toggler {
            border: none;
            background: var(--primary-light);
            color: var(--primary);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border: 2px solid var(--primary);
        }

        .page-banner {
            background: linear-gradient(135deg, rgba(11, 18, 32, 0.92), rgba(30, 56, 128, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 76px 0 64px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            max-width: 800px;
        }

        .page-banner .banner-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 22px;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .banner-meta i {
            color: var(--accent);
        }

        .article-section {
            padding: 60px 0 70px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 32px;
        }

        .breadcrumb-nav {
            margin-bottom: 24px;
        }

        .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 14px;
        }

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

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

        .breadcrumb-item.active {
            color: var(--text);
            font-weight: 600;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: '/';
            color: var(--border);
        }

        .article-main {
            min-width: 0;
        }

        .article-body {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .article-body h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--dark);
            margin: 36px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 28px 0 12px;
        }

        .article-body p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 20px;
            padding-left: 10px;
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-body img {
            border-radius: 14px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 18px 24px;
            border-radius: 0 14px 14px 0;
            margin: 24px 0;
            color: var(--dark);
            font-style: normal;
            line-height: 1.8;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-body table th {
            background: var(--primary-light);
            font-weight: 700;
        }

        .article-body code {
            background: var(--bg);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--primary);
        }

        .article-tags {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
        }

        .tag-item {
            display: inline-block;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .side-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            box-shadow: var(--shadow);
        }

        .side-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
            padding-bottom: 12px;
        }

        .side-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 34px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .side-info-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .side-info-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
        }

        .side-info-list li:last-child {
            border-bottom: none;
        }

        .side-info-list li span {
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-info-list li strong {
            color: var(--dark);
            font-weight: 600;
            text-align: right;
            max-width: 60%;
        }

        .side-cats {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .side-cats li a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            background: var(--bg);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .side-cats li a:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateX(4px);
        }

        .side-cats li a i {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(2, 12, 27, 0.06);
            flex-shrink: 0;
        }

        .side-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .side-list li {
            margin-bottom: 4px;
        }

        .side-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 14px;
            line-height: 1.5;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

        .side-list li:last-child a {
            border-bottom: none;
        }

        .side-list li a:hover {
            color: var(--primary);
        }

        .side-list li a i {
            font-size: 11px;
            color: var(--primary);
            margin-top: 5px;
            flex-shrink: 0;
        }

        .not-found {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 70px 40px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .not-found-icon {
            display: inline-flex;
            width: 76px;
            height: 76px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 32px;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .not-found p {
            color: var(--text-weak);
            margin-bottom: 26px;
        }

        .related-section {
            padding: 70px 0;
            background: var(--white);
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 36px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin: 0;
            position: relative;
            padding-left: 18px;
        }

        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 4px;
            background: var(--primary);
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--primary-light);
            border-radius: 50px;
            transition: var(--transition);
        }

        .section-more:hover {
            background: var(--primary);
            color: #fff;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .related-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 18, 32, 0.35), transparent 50%);
        }

        .related-info {
            padding: 20px 22px 24px;
        }

        .card-cat {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .related-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-info p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-tip {
            background: var(--bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 32px;
            text-align: center;
            color: var(--text-weak);
            font-size: 14px;
        }

        .category-section {
            padding: 70px 0;
            background: var(--bg);
        }

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

        .category-card-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 36px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .category-card-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .category-card-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .category-icon {
            width: 68px;
            height: 68px;
            border-radius: 20px;
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .category-card-item:hover .category-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .category-card-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .category-card-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .category-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .faq-section {
            padding: 70px 0;
            background: var(--white);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(2, 12, 27, 0.04);
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            background: var(--white);
            border: none;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .accordion-button::after {
            background-size: 14px;
            opacity: 0.5;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed)::after {
            opacity: 1;
        }

        .accordion-body {
            padding: 18px 24px 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-weak);
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--dark) 0%, #172554 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(43, 110, 243, 0.3);
            filter: blur(50px);
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 30px;
        }

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

        .btn-white-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: #fff;
            color: var(--primary) !important;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-white-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 255, 255, 0.25);
        }

        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .site-footer {
            background: var(--dark-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

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

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 1199px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr) 290px;
                gap: 24px;
            }

            .article-body {
                padding: 36px 36px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 991px) {
            .site-header .navbar {
                padding: 12px 0;
            }

            .header-search {
                display: none;
            }

            .header-actions {
                gap: 8px;
            }

            .navbar-nav {
                margin: 12px 0;
                gap: 2px;
            }

            .nav-link {
                padding: 10px 18px !important;
            }

            .nav-link.active::after {
                bottom: auto;
                top: 50%;
                transform: translateY(-50%);
                left: 0;
                width: 3px;
                height: 20px;
            }

            .page-banner {
                padding: 56px 0 48px;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .article-section {
                padding: 46px 0 56px;
            }

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

            .article-main {
                order: 1;
            }

            .article-sidebar {
                order: 2;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .category-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

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

        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 26px;
            }

            .page-banner .banner-desc {
                font-size: 15px;
            }

            .banner-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body {
                padding: 24px 20px;
                border-radius: 16px;
            }

            .article-body h2 {
                font-size: 22px;
            }

            .article-body h3 {
                font-size: 18px;
            }

            .section-head {
                margin-bottom: 24px;
            }

            .section-head h2 {
                font-size: 22px;
                padding-left: 14px;
            }

            .cta-content h2 {
                font-size: 26px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 576px) {
            .header-actions .btn-primary-custom {
                display: none;
            }

            .navbar-brand {
                font-size: 17px;
                margin-right: auto;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
                border-radius: 10px;
            }

            .page-banner {
                padding: 44px 0 40px;
            }

            .page-banner h1 {
                font-size: 22px;
            }

            .article-body {
                padding: 20px 16px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .related-section,
            .category-section,
            .faq-section {
                padding: 52px 0;
            }

            .category-card-item {
                padding: 28px 20px;
            }

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

            .footer-bottom {
                padding: 20px 0;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #0f2544;
    --primary-dark: #091829;
    --accent: #e8392b;
    --accent-hover: #c92a1e;
    --accent-glow: rgba(232, 57, 43, 0.18);
    --gold: #f5b942;
    --bg: #f4f6fb;
    --bg-light: #ffffff;
    --bg-deep: #0b1a30;
    --text-main: #1a2233;
    --text-sub: #55617a;
    --text-weak: #8a94a8;
    --border: #e2e8f1;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --shadow-sm: 0 2px 8px rgba(15, 37, 68, 0.06);
    --shadow-md: 0 8px 28px rgba(15, 37, 68, 0.10);
    --shadow-lg: 0 18px 44px rgba(15, 37, 68, 0.14);
    --font-main: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

button,
input {
    font-family: inherit;
}

.site-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 10px rgba(15, 37, 68, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .navbar {
    padding: 14px 0;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: nowrap;
}

.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.18rem;
    color: var(--primary);
    white-space: nowrap;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
    color: #fff;
    border-radius: 10px;
    font-size: 1rem;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.site-header .navbar-nav {
    gap: 6px;
}

.site-header .nav-link {
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-sub);
    padding: 8px 16px !important;
    border-radius: 30px;
    transition: all 0.25s ease;
}

.site-header .nav-link:hover {
    color: var(--accent);
    background: rgba(232, 57, 43, 0.06);
}

.site-header .nav-link.active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 8px 14px;
    min-width: 210px;
    transition: all 0.25s ease;
}

.header-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: #fff;
}

.header-search i {
    color: var(--text-weak);
    font-size: 0.85rem;
}

.header-search input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.85rem;
    color: var(--text-main);
    width: 100%;
}

.header-search input::placeholder {
    color: var(--text-weak);
}

.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), #f05a2a);
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(232, 57, 43, 0.3);
    white-space: nowrap;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(232, 57, 43, 0.4);
}

.btn-outline-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.navbar-toggler {
    border: none;
    background: transparent;
    font-size: 1.4rem;
    color: var(--primary);
    padding: 4px 10px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ===== Page Hero ===== */
.page-hero {
    background: linear-gradient(135deg, var(--bg-deep) 0%, var(--primary) 100%);
    position: relative;
    padding: 110px 0 130px;
    overflow: hidden;
    color: #fff;
}

.page-hero .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.page-hero .hero-glow {
    position: absolute;
    top: -100px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(232, 57, 43, 0.35), transparent 70%);
    filter: blur(40px);
}

.page-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.page-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 22px;
}

.page-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

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

.page-hero .breadcrumb .sep {
    opacity: 0.5;
}

.page-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 18px;
}

.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
}

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

.page-hero p {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.8;
    margin-bottom: 32px;
}

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

.hero-stats {
    position: relative;
    z-index: 2;
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.hero-stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 22px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.hero-stat-card .num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 4px;
}

.hero-stat-card .label {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Section Base ===== */
.section-block {
    padding: 90px 0;
}

.section-block.alt {
    background: #ffffff;
}

.section-block.deep {
    background: var(--bg-deep);
    color: #fff;
}

.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px;
}

.section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-head .eyebrow::before,
.section-head .eyebrow::after {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.section-head h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 14px;
}

.section-head p {
    color: var(--text-sub);
    font-size: 1rem;
    line-height: 1.7;
}

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

.section-head-light p {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Feature Cards ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

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

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

.feature-card .card-img .tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 37, 68, 0.85);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
}

.feature-card .card-img .tag.hot {
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
}

.feature-card .card-body {
    padding: 24px 24px 28px;
}

.feature-card .card-body h3 {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.feature-card .card-body p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
    margin-bottom: 16px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.card-link i {
    transition: transform 0.2s ease;
}

.card-link:hover {
    color: var(--accent-hover);
}

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

/* ===== Deep Guide Alternating ===== */
.guide-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 70px;
}

.guide-row:last-child {
    margin-bottom: 0;
}

.guide-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.guide-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.guide-image .img-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(15, 37, 68, 0.9);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.guide-image .img-badge i {
    color: var(--gold);
}

.guide-content .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 14px;
    margin-bottom: 18px;
    box-shadow: 0 6px 18px var(--accent-glow);
}

.guide-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 14px;
}

.guide-content p {
    color: var(--text-sub);
    margin-bottom: 18px;
    line-height: 1.75;
}

.guide-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.guide-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-main);
}

.guide-list li i {
    color: var(--accent);
    margin-top: 4px;
    font-size: 0.9rem;
}

/* ===== Flow Steps ===== */
.flow-section {
    background: linear-gradient(135deg, var(--bg-deep), var(--primary));
    position: relative;
    overflow: hidden;
}

.flow-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.18;
}

.flow-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.flow-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: all 0.35s ease;
}

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

.flow-card .flow-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(232, 57, 43, 0.35);
}

.flow-card .flow-num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.flow-card h4 {
    font-size: 1.08rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.flow-card p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* ===== Tips / Content List ===== */
.tips-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.tip-item {
    display: flex;
    gap: 16px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.tip-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    border-color: var(--accent);
}

.tip-item .tip-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: rgba(232, 57, 43, 0.1);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.tip-item h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

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

/* ===== Rank List ===== */
.rank-section {
    background: #fff;
}

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

.rank-panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.rank-panel h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rank-panel h3 i {
    color: var(--accent);
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(226, 232, 241, 0.7);
}

.rank-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.rank-item .rank-no {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(15, 37, 68, 0.08);
    color: var(--text-sub);
    font-weight: 700;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.rank-item .rank-no.top {
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
    color: #fff;
}

.rank-item .rank-info {
    flex: 1;
}

.rank-item .rank-info h5 {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 2px;
}

.rank-item .rank-info p {
    font-size: 0.8rem;
    color: var(--text-weak);
    margin: 0;
}

.rank-item .rank-rate {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
}

.rank-item .rank-rate i {
    font-size: 0.75rem;
}

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

.faq-item {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(232, 57, 43, 0.4);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 20px 24px;
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 16px;
}

.faq-question i {
    color: var(--accent);
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s ease;
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    padding: 0 24px 22px;
    max-height: 300px;
}

/* ===== CTA ===== */
.cta-section {
    padding: 90px 0 100px;
    position: relative;
    overflow: hidden;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--bg-deep));
    border-radius: var(--radius-xl);
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(232, 57, 43, 0.4), transparent 70%);
    filter: blur(30px);
}

.cta-box .cta-info {
    position: relative;
    z-index: 2;
    flex: 1;
}

.cta-box .cta-info h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.cta-box .cta-info p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.96rem;
    margin-bottom: 0;
    line-height: 1.7;
}

.cta-box .cta-buttons {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 14px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), #ff6a3d);
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: 40px;
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(232, 57, 43, 0.45);
    transition: all 0.3s ease;
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(232, 57, 43, 0.55);
}

.btn-cta-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 12px 28px;
    border-radius: 40px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cta-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 45px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.footer-logo .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
}

.footer-desc {
    font-size: 0.88rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
    max-width: 340px;
}

.footer-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0;
    margin: 0;
}

.footer-links a {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.2s ease;
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: 4px;
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .flow-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-hero h1 {
        font-size: 2.3rem;
    }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-box {
        flex-direction: column;
        text-align: center;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }
    .header-search {
        display: none;
    }
}

@media (max-width: 768px) {
    .section-block {
        padding: 70px 0;
    }
    .page-hero {
        padding: 80px 0 90px;
    }
    .page-hero h1 {
        font-size: 1.9rem;
    }
    .page-hero p {
        font-size: 0.98rem;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .guide-row {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 50px;
    }
    .guide-image img {
        height: 240px;
    }
    .tips-wrap {
        grid-template-columns: 1fr;
    }
    .rank-grid {
        grid-template-columns: 1fr;
    }
    .flow-grid {
        gap: 16px;
    }
    .navbar .navbar-collapse {
        padding-top: 14px;
    }
    .header-actions .btn-primary-custom {
        display: none;
    }
    .navbar-brand span:last-child {
        font-size: 1rem;
    }
}

@media (max-width: 520px) {
    .site-container {
        padding: 0 16px;
    }
    .section-block {
        padding: 55px 0;
    }
    .section-head h2 {
        font-size: 1.6rem;
    }
    .page-hero h1 {
        font-size: 1.55rem;
    }
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .hero-stat-card {
        padding: 16px 12px;
    }
    .hero-stat-card .num {
        font-size: 1.4rem;
    }
    .flow-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .flow-card {
        padding: 22px 14px;
    }
    .flow-card .flow-icon {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
    .cta-box {
        padding: 40px 24px;
    }
    .cta-box .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    .btn-cta-primary,
    .btn-cta-ghost {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .btn-primary-custom {
        padding: 8px 16px;
        font-size: 0.82rem;
    }
}

/* roulang page: category3 */
:root{
            --primary:#163a6b;
            --primary-light:#2b6cb0;
            --primary-deep:#0e2454;
            --accent:#f0a500;
            --accent-light:#ffd166;
            --bg-body:#f5f7fb;
            --bg-card:#ffffff;
            --bg-soft:#eef3fa;
            --text:#1a2332;
            --text-muted:#5b6b82;
            --border:#e4eaf2;
            --radius-lg:20px;
            --radius-md:14px;
            --radius-sm:10px;
            --shadow-card:0 14px 40px rgba(14,42,90,.07);
            --shadow-hover:0 20px 50px rgba(14,42,90,.12);
            --transition:all .25s ease;
        }
        *{
            box-sizing:border-box;
        }
        html{
            scroll-behavior:smooth;
        }
        body{
            font-family:"PingFang SC","Microsoft YaHei","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
            background:var(--bg-body);
            color:var(--text);
            line-height:1.75;
            margin:0;
            -webkit-font-smoothing:antialiased;
        }
        img{
            max-width:100%;
            display:block;
        }
        a{
            text-decoration:none;
            color:inherit;
            transition:var(--transition);
        }
        a:hover{
            opacity:.85;
        }
        ul{
            margin:0;
            padding:0;
            list-style:none;
        }
        p{
            margin:0;
        }
        button,input{
            font-family:inherit;
        }
        .site-container{
            width:100%;
            max-width:1280px;
            margin:0 auto;
            padding:0 24px;
        }
        ::selection{
            background:var(--accent);
            color:#fff;
        }

        /* ========== 通用按钮 ========== */
        .btn-primary-custom,.btn-main{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:linear-gradient(135deg,var(--accent),#ffc53d);
            color:#15273f;
            font-weight:700;
            font-size:15px;
            border:none;
            border-radius:50px;
            padding:12px 26px;
            box-shadow:0 10px 24px rgba(240,165,0,.28);
            transition:var(--transition);
        }
        .btn-primary-custom:hover,.btn-main:hover{
            transform:translateY(-2px);
            box-shadow:0 16px 32px rgba(240,165,0,.36);
            color:#15273f;
            opacity:1;
        }
        .btn-ghost{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:rgba(255,255,255,.12);
            color:#fff;
            font-weight:600;
            font-size:15px;
            border:1px solid rgba(255,255,255,.35);
            border-radius:50px;
            padding:12px 26px;
            backdrop-filter:blur(6px);
            transition:var(--transition);
        }
        .btn-ghost:hover{
            background:rgba(255,255,255,.22);
            border-color:#fff;
            color:#fff;
        }
        .section-tag{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:var(--bg-soft);
            border:1px solid var(--border);
            color:var(--primary);
            font-size:13px;
            font-weight:700;
            padding:6px 16px;
            border-radius:50px;
            letter-spacing:.5px;
        }
        .section-tag i{
            color:var(--accent);
        }

        /* ========== Header 导航 ========== */
        .site-header{
            position:sticky;
            top:0;
            z-index:1080;
            background:rgba(255,255,255,.92);
            backdrop-filter:blur(14px);
            border-bottom:1px solid var(--border);
            box-shadow:0 4px 20px rgba(14,42,90,.05);
        }
        .site-header .navbar{
            min-height:72px;
            padding:0;
            gap:16px;
        }
        .site-header .navbar-brand{
            display:inline-flex;
            align-items:center;
            gap:10px;
            font-size:18px;
            font-weight:800;
            color:var(--primary-deep);
            letter-spacing:.3px;
            white-space:nowrap;
            margin-right:8px;
        }
        .site-header .navbar-brand:hover{
            opacity:1;
        }
        .brand-icon{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:36px;
            height:36px;
            background:linear-gradient(135deg,var(--primary),#2b6cb0);
            color:#fff;
            font-size:15px;
            border-radius:12px;
            box-shadow:0 6px 16px rgba(22,58,107,.25);
        }
        .site-header .navbar-nav{
            gap:2px;
        }
        .site-header .nav-link{
            padding:10px 16px !important;
            font-size:15px;
            font-weight:600;
            color:var(--text);
            border-radius:50px;
            position:relative;
        }
        .site-header .nav-link:hover{
            color:var(--primary);
            background:var(--bg-soft);
        }
        .site-header .nav-link.active{
            color:var(--primary);
        }
        .site-header .nav-link.active::after{
            content:"";
            position:absolute;
            left:18px;
            right:18px;
            bottom:4px;
            height:3px;
            border-radius:4px;
            background:linear-gradient(90deg,var(--accent),#ffc53d);
        }
        .header-actions{
            display:flex;
            align-items:center;
            gap:12px;
            margin-left:auto;
        }
        .header-search{
            display:flex;
            align-items:center;
            gap:8px;
            background:var(--bg-soft);
            border:1px solid var(--border);
            border-radius:50px;
            padding:8px 16px;
            color:var(--text-muted);
            transition:var(--transition);
        }
        .header-search:focus-within{
            border-color:var(--primary-light);
            box-shadow:0 0 0 4px rgba(43,108,176,.10);
        }
        .header-search input{
            border:none;
            outline:none;
            background:transparent;
            font-size:14px;
            width:120px;
            color:var(--text);
        }
        .header-search input::placeholder{
            color:#9aa8bc;
        }
        .site-header .btn-primary-custom{
            padding:10px 20px;
            font-size:14px;
            white-space:nowrap;
            box-shadow:none;
        }
        .site-header .navbar-toggler{
            border:1px solid var(--border);
            color:var(--primary);
            font-size:18px;
            padding:8px 12px;
            border-radius:10px;
            box-shadow:none;
        }
        .site-header .navbar-toggler:focus{
            box-shadow:0 0 0 4px rgba(43,108,176,.12);
        }

        /* ========== 通用区块 ========== */
        .security-section{
            padding:96px 0;
        }
        .section-head{
            text-align:center;
            max-width:760px;
            margin:0 auto 54px;
        }
        .section-head h2{
            font-size:32px;
            font-weight:800;
            color:var(--primary-deep);
            margin:16px 0 12px;
            letter-spacing:.4px;
        }
        .section-head p{
            font-size:16px;
            color:var(--text-muted);
        }

        /* ========== Hero ========== */
        .security-hero{
            position:relative;
            background-size:cover;
            background-position:center;
            padding:110px 0 120px;
            color:#fff;
            overflow:hidden;
        }
        .hero-overlay{
            position:absolute;
            inset:0;
            background:linear-gradient(100deg,rgba(9,24,54,.94) 0%,rgba(16,43,86,.82) 45%,rgba(22,60,107,.45) 100%);
        }
        .security-hero .site-container{
            position:relative;
            z-index:2;
        }
        .hero-badge{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:rgba(255,255,255,.12);
            border:1px solid rgba(255,255,255,.25);
            color:#fff;
            font-size:13px;
            font-weight:700;
            padding:7px 18px;
            border-radius:50px;
            letter-spacing:.4px;
            backdrop-filter:blur(8px);
        }
        .hero-badge i{
            color:var(--accent-light);
        }
        .security-hero h1{
            font-size:44px;
            font-weight:900;
            line-height:1.25;
            margin:22px 0 18px;
            letter-spacing:.5px;
        }
        .security-hero h1 span{
            color:var(--accent-light);
        }
        .hero-sub{
            font-size:17px;
            max-width:620px;
            color:rgba(255,255,255,.88);
            margin-bottom:32px;
            line-height:1.9;
        }
        .hero-buttons{
            display:flex;
            flex-wrap:wrap;
            gap:14px;
            margin-bottom:30px;
        }
        .hero-tags{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
        }
        .hero-tags span{
            background:rgba(255,255,255,.12);
            border:1px solid rgba(255,255,255,.22);
            font-size:13px;
            padding:5px 14px;
            border-radius:50px;
            color:rgba(255,255,255,.92);
        }
        .hero-score{
            background:rgba(255,255,255,.10);
            border:1px solid rgba(255,255,255,.18);
            border-radius:24px;
            padding:32px 28px;
            backdrop-filter:blur(12px);
            box-shadow:0 24px 60px rgba(0,0,0,.18);
        }
        .hero-score-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-bottom:18px;
        }
        .hero-score-header span{
            font-size:14px;
            color:rgba(255,255,255,.85);
            font-weight:600;
        }
        .hero-score-header .level-badge{
            background:var(--accent);
            color:#15273f;
            font-size:12px;
            font-weight:800;
            padding:4px 12px;
            border-radius:50px;
        }
        .hero-score-num{
            display:flex;
            align-items:flex-end;
            gap:6px;
            margin-bottom:14px;
        }
        .hero-score-num strong{
            font-size:56px;
            font-weight:900;
            line-height:1;
            color:var(--accent-light);
        }
        .hero-score-num em{
            font-style:normal;
            font-size:15px;
            color:rgba(255,255,255,.8);
            margin-bottom:8px;
        }
        .hero-score-list{
            display:flex;
            flex-direction:column;
            gap:12px;
            border-top:1px solid rgba(255,255,255,.16);
            padding-top:18px;
        }
        .hero-score-list li{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:14px;
            color:rgba(255,255,255,.9);
        }
        .hero-score-list li i{
            width:22px;
            height:22px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:rgba(240,165,0,.22);
            border-radius:50%;
            font-size:10px;
            color:var(--accent-light);
        }

        /* ========== 数据条 ========== */
        .trust-stats{
            background:#fff;
            border-bottom:1px solid var(--border);
            padding:44px 0;
            margin-top:-60px;
            position:relative;
            z-index:5;
            border-radius:20px;
            box-shadow:var(--shadow-card);
        }
        .trust-stats .col-item{
            text-align:center;
            padding:8px 12px;
            position:relative;
        }
        .trust-stats .col-item + .col-item::before{
            content:"";
            position:absolute;
            left:0;
            top:50%;
            transform:translateY(-50%);
            width:1px;
            height:48px;
            background:var(--border);
        }
        .trust-stats .stat-num{
            font-size:36px;
            font-weight:900;
            color:var(--primary);
            line-height:1.2;
        }
        .trust-stats .stat-num small{
            font-size:16px;
            font-weight:700;
            color:var(--accent);
        }
        .trust-stats .stat-label{
            font-size:14px;
            color:var(--text-muted);
            margin-top:4px;
        }

        /* ========== 防护体系 ========== */
        .security-features{
            padding:100px 0 90px;
        }
        .feature-card{
            background:var(--bg-card);
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:32px 28px;
            height:100%;
            transition:var(--transition);
            position:relative;
            overflow:hidden;
        }
        .feature-card::after{
            content:"";
            position:absolute;
            left:0;
            bottom:0;
            height:4px;
            width:0;
            background:linear-gradient(90deg,var(--accent),#ffc53d);
            transition:var(--transition);
        }
        .feature-card:hover{
            transform:translateY(-6px);
            box-shadow:var(--shadow-hover);
            border-color:rgba(43,108,176,.2);
        }
        .feature-card:hover::after{
            width:100%;
        }
        .feature-icon{
            width:54px;
            height:54px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:linear-gradient(135deg,var(--bg-soft),#e2ebf7);
            border-radius:16px;
            font-size:22px;
            color:var(--primary);
            margin-bottom:20px;
        }
        .feature-card h3{
            font-size:18px;
            font-weight:800;
            color:var(--primary-deep);
            margin-bottom:10px;
        }
        .feature-card p{
            font-size:14px;
            color:var(--text-muted);
            line-height:1.8;
        }
        .feature-tag{
            display:inline-flex;
            align-items:center;
            gap:4px;
            font-size:12px;
            font-weight:600;
            color:var(--primary);
            background:var(--bg-soft);
            border:1px solid var(--border);
            padding:4px 10px;
            border-radius:50px;
            margin-top:12px;
        }
        .feature-tag i{
            color:var(--accent);
            font-size:10px;
        }

        /* ========== 流程 ========== */
        .security-process{
            background:linear-gradient(180deg,var(--bg-body),#eaf1fa);
            padding:96px 0 100px;
        }
        .process-steps{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:22px;
            position:relative;
        }
        .process-step{
            background:var(--bg-card);
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:32px 26px;
            text-align:center;
            position:relative;
            transition:var(--transition);
        }
        .process-step:hover{
            box-shadow:var(--shadow-card);
            transform:translateY(-4px);
        }
        .step-number{
            width:44px;
            height:44px;
            margin:0 auto 18px;
            display:flex;
            align-items:center;
            justify-content:center;
            border-radius:50%;
            background:linear-gradient(135deg,var(--primary),#2b6cb0);
            color:#fff;
            font-weight:800;
            font-size:16px;
            box-shadow:0 8px 20px rgba(22,58,107,.2);
        }
        .process-step h3{
            font-size:17px;
            font-weight:800;
            color:var(--primary-deep);
            margin-bottom:8px;
        }
        .process-step p{
            font-size:14px;
            color:var(--text-muted);
            line-height:1.7;
        }
        .step-arrow{
            position:absolute;
            right:-20px;
            top:50%;
            transform:translateY(-50%);
            color:var(--accent);
            font-size:18px;
            z-index:2;
        }

        /* ========== 安全自检图文 ========== */
        .guide-section{
            padding:100px 0;
        }
        .guide-img-wrap{
            border-radius:24px;
            overflow:hidden;
            box-shadow:var(--shadow-card);
            border:1px solid var(--border);
            position:relative;
        }
        .guide-img-wrap img{
            width:100%;
            height:420px;
            object-fit:cover;
        }
        .guide-img-badge{
            position:absolute;
            left:20px;
            top:20px;
            background:rgba(255,255,255,.94);
            color:var(--primary);
            font-size:13px;
            font-weight:800;
            padding:7px 16px;
            border-radius:50px;
            box-shadow:0 8px 20px rgba(0,0,0,.08);
        }
        .guide-content h2{
            font-size:30px;
            font-weight:800;
            color:var(--primary-deep);
            margin:16px 0 12px;
        }
        .guide-content > p{
            font-size:15px;
            color:var(--text-muted);
            margin-bottom:24px;
            line-height:1.8;
        }
        .check-list{
            display:flex;
            flex-direction:column;
            gap:14px;
            margin-bottom:30px;
        }
        .check-list li{
            display:flex;
            align-items:flex-start;
            gap:12px;
            background:var(--bg-card);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            padding:14px 18px;
            font-size:15px;
            font-weight:500;
            color:var(--text);
            transition:var(--transition);
        }
        .check-list li:hover{
            border-color:var(--primary-light);
            box-shadow:0 10px 24px rgba(43,108,176,.08);
        }
        .check-list li i{
            color:var(--accent);
            font-size:17px;
            margin-top:2px;
        }
        .guide-note{
            display:flex;
            align-items:center;
            gap:14px;
            background:linear-gradient(135deg,var(--primary),#20509a);
            border-radius:var(--radius-md);
            padding:18px 20px;
            color:#fff;
        }
        .guide-note i{
            font-size:22px;
            color:var(--accent-light);
        }
        .guide-note span{
            font-size:14px;
            line-height:1.7;
            color:rgba(255,255,255,.92);
        }

        /* ========== FAQ ========== */
        .faq-section{
            background:var(--bg-soft);
            padding:96px 0;
        }
        .faq-wrap{
            max-width:860px;
            margin:0 auto;
        }
        .faq-wrap .accordion-item{
            border:1px solid var(--border);
            border-radius:var(--radius-md) !important;
            margin-bottom:14px;
            overflow:hidden;
            background:#fff;
            box-shadow:none;
        }
        .faq-wrap .accordion-button{
            font-size:15px;
            font-weight:700;
            color:var(--text);
            padding:18px 22px;
            background:#fff;
            box-shadow:none;
            border:none;
        }
        .faq-wrap .accordion-button:focus{
            box-shadow:0 0 0 4px rgba(43,108,176,.08);
        }
        .faq-wrap .accordion-button:not(.collapsed){
            background:var(--bg-soft);
            color:var(--primary);
        }
        .faq-wrap .accordion-body{
            font-size:14px;
            color:var(--text-muted);
            line-height:1.9;
            padding:4px 22px 20px;
            background:#fff;
        }

        /* ========== CTA ========== */
        .cta-section{
            position:relative;
            background-size:cover;
            background-position:center;
            padding:80px 0;
            color:#fff;
            text-align:center;
        }
        .cta-overlay{
            position:absolute;
            inset:0;
            background:linear-gradient(120deg,rgba(9,24,54,.92),rgba(22,60,107,.78));
        }
        .cta-section .site-container{
            position:relative;
            z-index:2;
        }
        .cta-section h2{
            font-size:34px;
            font-weight:900;
            margin-bottom:14px;
        }
        .cta-section p{
            font-size:16px;
            color:rgba(255,255,255,.86);
            max-width:620px;
            margin:0 auto 32px;
            line-height:1.8;
        }
        .cta-buttons{
            display:flex;
            justify-content:center;
            gap:14px;
            flex-wrap:wrap;
        }

        /* ========== Footer ========== */
        .site-footer{
            background:#0e1b30;
            color:#aebdd2;
            padding:70px 0 0;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.4fr .8fr .8fr .8fr;
            gap:40px;
            padding-bottom:48px;
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .footer-logo{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:18px;
            font-weight:800;
            color:#fff;
            margin-bottom:16px;
        }
        .footer-desc{
            font-size:14px;
            line-height:1.9;
            color:#8da0ba;
            max-width:340px;
        }
        .footer-title{
            font-size:15px;
            font-weight:700;
            color:#fff;
            margin-bottom:18px;
            position:relative;
            padding-bottom:10px;
        }
        .footer-title::after{
            content:"";
            position:absolute;
            left:0;
            bottom:0;
            width:24px;
            height:3px;
            border-radius:3px;
            background:var(--accent);
        }
        .footer-links li{
            margin-bottom:10px;
        }
        .footer-links a{
            font-size:14px;
            color:#93a5bd;
            transition:var(--transition);
            display:inline-flex;
            align-items:center;
            gap:6px;
        }
        .footer-links a:hover{
            color:var(--accent-light);
            padding-left:4px;
        }
        .footer-links a::before{
            content:"›";
            color:var(--accent);
            font-weight:700;
        }
        .footer-bottom{
            text-align:center;
            padding:20px 0;
            font-size:13px;
            color:#71869f;
        }

        /* ========== 响应式 ========== */
        @media (max-width:1199px){
            .site-header .header-search input{
                width:90px;
            }
            .site-header .nav-link{
                padding:8px 12px !important;
                font-size:14px;
            }
            .feature-card{
                padding:24px;
            }
        }
        @media (max-width:991px){
            .site-header .navbar{
                min-height:64px;
            }
            .site-header .navbar-collapse{
                background:#fff;
                border-radius:14px;
                padding:16px;
                margin-top:10px;
                box-shadow:var(--shadow-card);
                border:1px solid var(--border);
            }
            .site-header .navbar-nav{
                gap:4px;
                width:100%;
            }
            .site-header .nav-link.active::after{
                display:none;
            }
            .site-header .nav-link.active{
                background:var(--bg-soft);
            }
            .header-actions{
                display:none;
            }
            .security-hero{
                padding:80px 0 100px;
            }
            .security-hero h1{
                font-size:34px;
            }
            .hero-score{
                margin-top:30px;
            }
            .trust-stats{
                margin-top:0;
                border-radius:0;
                box-shadow:none;
                border-bottom:1px solid var(--border);
            }
            .trust-stats .col-item + .col-item::before{
                display:none;
            }
            .process-steps{
                grid-template-columns:repeat(2,1fr);
            }
            .step-arrow{
                display:none;
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
                gap:30px;
            }
            .guide-section{
                padding:70px 0;
            }
            .guide-img-wrap img{
                height:320px;
            }
        }
        @media (max-width:767px){
            .security-section,.security-features,.security-process,.faq-section,.guide-section{
                padding:64px 0;
            }
            .section-head h2{
                font-size:26px;
            }
            .security-hero h1{
                font-size:28px;
            }
            .hero-sub{
                font-size:15px;
            }
            .hero-buttons .btn-main,.hero-buttons .btn-ghost{
                padding:11px 20px;
                font-size:14px;
            }
            .trust-stats{
                padding:28px 0;
            }
            .trust-stats .stat-num{
                font-size:28px;
            }
            .trust-stats .col-item{
                padding:8px 0;
            }
            .feature-card{
                padding:20px;
            }
            .cta-buttons{
                flex-direction:column;
                align-items:center;
            }
            .cta-buttons .btn-main,.cta-buttons .btn-ghost{
                width:100%;
                justify-content:center;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:28px;
            }
            .footer-brand{
                margin-bottom:6px;
            }
        }
        @media (max-width:575px){
            .site-container{
                padding:0 16px;
            }
            .site-header .navbar-brand{
                font-size:15px;
            }
            .brand-icon{
                width:32px;
                height:32px;
                font-size:13px;
            }
            .process-steps{
                grid-template-columns:1fr;
                gap:14px;
            }
            .process-step{
                padding:24px 20px;
            }
            .security-hero h1{
                font-size:24px;
            }
            .hero-tags span{
                font-size:12px;
                padding:4px 10px;
            }
            .guide-content h2{
                font-size:24px;
            }
            .cta-section h2{
                font-size:26px;
            }
            .check-list li{
                font-size:14px;
                padding:12px 14px;
            }
            .faq-wrap .accordion-button{
                font-size:14px;
                padding:15px 16px;
            }
            .faq-wrap .accordion-body{
                font-size:13px;
                padding:2px 16px 16px;
            }
        }