/* roulang page: index */
:root {
            --primary: #0b1e3c;
            --primary-light: #1a3a6b;
            --accent: #f5b50a;
            --accent-hover: #d49e08;
            --bg-light: #f4f7fb;
            --bg-white: #ffffff;
            --text-main: #1e2d3d;
            --text-muted: #6b7a90;
            --border-color: #e5eaf0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(15, 30, 60, 0.06);
            --shadow: 0 10px 36px rgba(15, 30, 60, 0.09);
            --shadow-hover: 0 18px 48px rgba(15, 30, 60, 0.14);
            --transition: all 0.3s ease;
            --nav-h: 76px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-white);
            color: var(--text-main);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .section {
            padding: 96px 0;
        }

        .section-tag {
            display: inline-block;
            background: rgba(245, 181, 10, 0.15);
            color: #b8860b;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 30px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            box-shadow: 0 6px 20px rgba(245, 181, 10, 0.35);
            transition: var(--transition);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 181, 10, 0.45);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.75);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
        }

        .dock-nav {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 60px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 10px 40px rgba(15, 30, 60, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.85);
            pointer-events: auto;
            position: relative;
        }

        .nav-logo {
            font-size: 17px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-logo i {
            color: var(--accent);
            font-size: 22px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: block;
            padding: 8px 20px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 15px;
            border-radius: 40px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(15, 30, 60, 0.05);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(245, 181, 10, 0.16);
            font-weight: 700;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-accent {
            padding: 8px 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            line-height: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 180px 0 96px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-attachment: fixed;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 16, 32, 0.88) 0%, rgba(20, 45, 80, 0.78) 100%);
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(245, 181, 10, 0.2);
            border: 1px solid rgba(245, 181, 10, 0.4);
            color: #ffd76a;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 3px;
            padding: 8px 24px;
            border-radius: 50px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 54px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 36px;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .stat-box {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 28px 40px;
            text-align: center;
            min-width: 180px;
        }

        .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: #ffd76a;
            display: block;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 4px;
            display: block;
        }

        /* ===== 核心优势 ===== */
        .features-section {
            background: var(--bg-light);
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 30px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(245, 181, 10, 0.3);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(245, 181, 10, 0.18), rgba(245, 181, 10, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #b8860b;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--bg-white);
        }

        .category-card {
            display: block;
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow);
            min-height: 300px;
            transition: var(--transition);
            border: none;
            margin-bottom: 24px;
        }

        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.5s ease;
        }

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

        .category-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 16, 32, 0.2) 0%, rgba(7, 16, 32, 0.72) 100%);
        }

        .category-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 32px;
            color: #fff;
            transition: var(--transition);
        }

        .category-overlay h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-overlay p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 14px;
        }

        .badge-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 8px 20px;
            border-radius: 50px;
            width: fit-content;
            transition: var(--transition);
        }

        .category-card:hover .badge-cat {
            background: #fff;
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ===== 新闻列表 ===== */
        .news-section {
            background: var(--bg-light);
        }

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

        .news-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(245, 181, 10, 0.35);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .news-meta .badge {
            background: rgba(245, 181, 10, 0.2);
            color: #b8860b;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: 30px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            transition: var(--transition);
        }

        .news-item:hover .news-title {
            color: #b8860b;
        }

        .news-excerpt {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .btn-read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .btn-read-more i {
            transition: transform 0.3s ease;
            font-size: 12px;
        }

        .news-item:hover .btn-read-more i {
            transform: translateX(4px);
        }

        .news-sidebar {
            background: var(--primary);
            border-radius: 24px;
            padding: 24px;
            color: #fff;
            height: 100%;
            min-height: 320px;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
        }

        .news-sidebar img {
            border-radius: 16px;
            margin-bottom: 20px;
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-sidebar h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .news-sidebar p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 16px;
        }

        .news-sidebar .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }

        .news-sidebar .tag-list span {
            background: rgba(255, 255, 255, 0.14);
            border-radius: 30px;
            padding: 4px 14px;
            font-size: 12px;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--bg-white);
            position: relative;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 48px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border-color) 0 8px, transparent 8px 16px);
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-white);
            border-radius: 20px;
            padding: 28px 22px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(11, 30, 60, 0.25);
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: 16px !important;
            overflow: hidden;
            margin-bottom: 16px;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            background: var(--bg-white);
            box-shadow: none !important;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230b1e3c'%3e%3cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
        }

        .accordion-button:not(.collapsed) {
            background: rgba(245, 181, 10, 0.06);
            color: var(--primary);
        }

        .accordion-body {
            padding: 8px 24px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            padding: 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 30, 60, 0.82);
        }

        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 100px 30px;
            color: #fff;
        }

        .cta-box h2 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-box p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

        .cta-box .btn-accent {
            font-size: 16px;
            padding: 14px 44px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #081427;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 20px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 40px;
        }

        .footer-brand {
            max-width: 340px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-logo i {
            color: var(--accent);
        }

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

        .footer-links h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .legal {
            display: flex;
            gap: 20px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .section {
                padding: 72px 0;
            }

            .hero {
                padding: 150px 0 80px;
            }

            .hero-title {
                font-size: 40px;
            }

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

            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 10px;
                padding: 0 14px;
            }

            .dock-nav {
                padding: 8px 16px;
            }

            .nav-toggle {
                display: block;
                order: 3;
            }

            .nav-logo {
                font-size: 15px;
            }

            .nav-cta .btn-accent {
                padding: 7px 18px;
                font-size: 13px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 20px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                box-shadow: var(--shadow-hover);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 20px;
                text-align: center;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 17px;
            }

            .section-header h2 {
                font-size: 28px;
            }

            .cta-box h2 {
                font-size: 30px;
            }

            .footer-top {
                flex-direction: column;
                gap: 30px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 56px 0;
            }

            .hero {
                padding: 130px 0 64px;
            }

            .hero-title {
                font-size: 27px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: 260px;
            }

            .stat-box {
                min-width: 140px;
                padding: 20px 24px;
            }

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

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

            .cta-box {
                padding: 64px 20px;
            }

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

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

            .dock-nav {
                flex-wrap: wrap;
            }

            .nav-logo {
                font-size: 13px;
            }
        }

        .btn:focus,
        .btn:focus-visible,
        a:focus-visible,
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(245, 181, 10, 0.5);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1e5eff;
            --primary-dark: #0e3fa8;
            --primary-light: #6b9bff;
            --accent: #ffb347;
            --accent-dark: #e8922a;
            --bg-light: #f4f8ff;
            --bg-white: #ffffff;
            --bg-deep: #0a1747;
            --text-main: #1a2340;
            --text-body: #4a5468;
            --text-weak: #8a94a8;
            --border: #e3e9f3;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 12px rgba(20, 40, 90, 0.06);
            --shadow-md: 0 6px 28px rgba(20, 40, 90, 0.08);
            --shadow-lg: 0 16px 48px rgba(20, 40, 90, 0.14);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-space: 90px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }

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

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

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

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ 浮动 Dock 导航 ============ */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1050;
            pointer-events: none;
            padding: 0 20px;
        }

        .dock-nav {
            max-width: 1180px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 60px;
            padding: 12px 22px 12px 26px;
            box-shadow: 0 8px 40px rgba(10, 25, 70, 0.12);
            pointer-events: auto;
            transition: var(--transition);
        }

        .dock-nav:hover {
            box-shadow: 0 12px 48px rgba(10, 25, 70, 0.16);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-logo i {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 50%;
            font-size: 15px;
            box-shadow: 0 4px 14px rgba(30, 94, 255, 0.3);
        }

        .nav-logo span {
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 9px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30, 94, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(30, 94, 255, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-accent {
            background: linear-gradient(135deg, #ffb347, #ff9640);
            color: #fff !important;
            border-radius: 40px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 6px 20px rgba(255, 150, 64, 0.35);
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 150, 64, 0.45);
            color: #fff !important;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(255, 150, 64, 0.3);
        }

        .nav-toggle {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(30, 94, 255, 0.08);
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(30, 94, 255, 0.16);
        }

        /* ============ Hero / Banner ============ */
        .category-hero {
            position: relative;
            padding: 220px 0 100px;
            background: linear-gradient(135deg, #0a1747 0%, #192a6e 55%, #1e3a8a 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: -2;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(30, 94, 255, 0.35), transparent 55%),
                        radial-gradient(ellipse at 15% 85%, rgba(255, 179, 71, 0.2), transparent 45%);
            z-index: -1;
        }

        .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, 0.2);
            border-radius: 40px;
            padding: 8px 18px;
            font-size: 13px;
            color: #dbe4ff;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }

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

        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

        .hero-stat-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 16px 26px;
            text-align: center;
            min-width: 130px;
        }

        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }

        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), #3d7bff);
            color: #fff;
            border-radius: 50px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 8px 28px rgba(30, 94, 255, 0.35);
            transition: var(--transition);
            border: none;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(30, 94, 255, 0.45);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            border-radius: 50px;
            padding: 14px 28px;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

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

        /* ============ 通用板块 ============ */
        .section-padding {
            padding: var(--section-space) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 54px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 94, 255, 0.08);
            color: var(--primary);
            border-radius: 30px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* ============ 准备清单 ============ */
        .prep-section {
            background: var(--bg-white);
        }

        .prep-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .prep-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: var(--transition);
            position: relative;
        }

        .prep-card:hover {
            background: #fff;
            border-color: rgba(30, 94, 255, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .prep-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(30, 94, 255, 0.12), rgba(107, 155, 255, 0.18));
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .prep-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .prep-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 注册步骤时间轴 ============ */
        .steps-section {
            background: var(--bg-light);
            position: relative;
        }

        .step-timeline {
            max-width: 780px;
            margin: 0 auto;
            position: relative;
            padding: 20px 0;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            left: 80px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), rgba(30, 94, 255, 0.2));
            border-radius: 4px;
        }

        .step-item {
            display: flex;
            gap: 32px;
            margin-bottom: 44px;
            position: relative;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-num {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
            z-index: 1;
            position: relative;
            box-shadow: 0 4px 16px rgba(30, 94, 255, 0.2);
        }

        .step-item:nth-child(even) .step-num {
            border-color: var(--accent);
            color: var(--accent-dark);
            box-shadow: 0 4px 16px rgba(255, 150, 64, 0.2);
        }

        .step-body {
            flex: 1;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .step-body:hover {
            box-shadow: var(--shadow-md);
        }

        .step-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-body p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .step-body ul {
            padding: 0;
        }

        .step-body ul li {
            position: relative;
            padding-left: 20px;
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 6px;
        }

        .step-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(30, 94, 255, 0.5);
        }

        /* ============ 资料填写 ============ */
        .profile-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }

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

        .profile-section .section-tag {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

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

        .profile-section .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        .profile-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .profile-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: var(--transition);
        }

        .profile-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
        }

        .profile-card .icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .profile-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .profile-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .profile-note {
            margin-top: 36px;
            background: rgba(255, 179, 71, 0.12);
            border: 1px solid rgba(255, 179, 71, 0.3);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }

        .profile-note i {
            color: var(--accent);
            font-size: 22px;
            flex-shrink: 0;
        }

        .profile-note p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ============ 注册方式 ============ */
        .methods-section {
            background: var(--bg-white);
        }

        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .method-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--transition);
            height: 100%;
        }

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

        .method-img {
            height: 190px;
            overflow: hidden;
        }

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

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

        .method-body {
            padding: 26px 24px 30px;
        }

        .method-badge {
            display: inline-block;
            background: rgba(30, 94, 255, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            padding: 5px 14px;
            margin-bottom: 12px;
        }

        .method-card:nth-child(2) .method-badge {
            background: rgba(255, 150, 64, 0.12);
            color: var(--accent-dark);
        }

        .method-card:nth-child(3) .method-badge {
            background: rgba(62, 180, 120, 0.12);
            color: #1e995e;
        }

        .method-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .method-body p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .method-list {
            padding: 0;
            margin-bottom: 18px;
        }

        .method-list li {
            font-size: 13px;
            color: var(--text-body);
            padding: 5px 0;
            position: relative;
            padding-left: 20px;
        }

        .method-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 5px;
            font-size: 11px;
            color: var(--primary);
        }

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

        .method-footer .time {
            font-size: 13px;
            color: var(--text-weak);
        }

        .method-footer .time i {
            margin-right: 5px;
        }

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

        .btn-link-custom:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ============ 提示条 ============ */
        .tips-section {
            background: var(--bg-light);
        }

        .tips-container {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .tips-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light));
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px 40px;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px dashed var(--border);
        }

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

        .tip-item .tip-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(30, 94, 255, 0.08);
            color: var(--primary);
            font-size: 15px;
        }

        .tip-item:nth-child(2) .tip-icon {
            background: rgba(255, 150, 64, 0.12);
            color: var(--accent-dark);
        }

        .tip-item:nth-child(3) .tip-icon {
            background: rgba(62, 180, 120, 0.12);
            color: #1e995e;
        }

        .tip-item:nth-child(4) .tip-icon {
            background: rgba(147, 110, 255, 0.12);
            color: #7c4dff;
        }

        .tip-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-main);
        }

        .tip-item p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.6;
        }

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

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            background: #fff;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(30, 94, 255, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(30, 94, 255, 0.08);
            border-radius: 50%;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #0a1747, #1e3a8a);
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: -2;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(30, 94, 255, 0.3), transparent 70%);
            z-index: -1;
        }

        .cta-inner {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-inner 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;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #081028;
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 28px;
        }

        .footer-brand {
            max-width: 400px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo i {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 50%;
            font-size: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .legal {
            display: flex;
            gap: 18px;
        }

        .legal span {
            font-size: 13px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --section-space: 70px;
            }

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

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

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

            .category-hero h1 {
                font-size: 38px;
            }

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

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 12px;
            }

            .dock-nav {
                border-radius: 40px;
                padding: 10px 14px;
                gap: 10px;
            }

            .nav-logo span {
                font-size: 15px;
                max-width: 140px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .nav-links {
                position: absolute;
                top: calc(100% + 12px);
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(18px);
                border-radius: 20px;
                padding: 14px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: 0 16px 48px rgba(10, 25, 70, 0.2);
                border: 1px solid var(--border);
                display: none;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                text-align: center;
                border-radius: 12px;
            }

            .nav-cta .btn-accent {
                display: none;
            }

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

            .category-hero {
                padding: 160px 0 70px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

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

            .hero-stats {
                gap: 10px;
            }

            .hero-stat-item {
                padding: 12px 16px;
                min-width: 108px;
            }

            .hero-stat-item .num {
                font-size: 22px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .step-timeline::before {
                left: 24px;
            }

            .step-item {
                gap: 16px;
            }

            .step-num {
                width: 48px;
                height: 48px;
                font-size: 16px;
            }

            .step-body {
                padding: 20px;
            }

            .step-body h3 {
                font-size: 17px;
            }

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

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

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

            .tips-container {
                padding: 28px 20px;
            }

            .footer-top {
                flex-direction: column;
                gap: 28px;
            }

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

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 25px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-light-custom {
                justify-content: center;
                text-align: center;
            }

            .hero-stat-item {
                min-width: calc(50% - 10px);
            }

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

            .section-head p {
                font-size: 14px;
            }

            .method-footer {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }

            .profile-note {
                flex-direction: column;
                text-align: center;
            }

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

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

            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-light-custom {
                justify-content: center;
            }

            .nav-logo i {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }

            .nav-logo span {
                font-size: 14px;
                max-width: 110px;
            }
        }

/* roulang page: article */
:root {
            --c-primary: #0B4B6F;
            --c-primary-dark: #062F47;
            --c-accent: #00C2A8;
            --c-gold: #FFB800;
            --c-bg: #F5F9FC;
            --c-bg-deep: #0A2235;
            --c-text: #172A3A;
            --c-text-light: #5B7284;
            --c-border: #DCE7EF;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 14px rgba(7,45,70,.08);
            --shadow-md: 0 12px 30px rgba(7,45,70,.12);
            --shadow-lg: 0 24px 54px rgba(7,45,70,.16);
            --space-section: 90px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--c-accent);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 .5em;
            color: var(--c-primary-dark);
            font-weight: 700;
            line-height: 1.35;
        }
        p {
            margin: 0 0 1em;
        }
        ul,
        ol {
            margin: 0 0 1.2em;
            padding-left: 1.4em;
        }
        ::selection {
            background: rgba(0, 194, 168, .22);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(0, 194, 168, .4);
            outline-offset: 2px;
            box-shadow: none;
        }

        .container {
            max-width: 1180px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-head {
            max-width: 660px;
            margin: 0 auto 54px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            padding: 7px 18px;
            border-radius: var(--radius-full);
            background: rgba(0, 194, 168, .12);
            color: #0B7C6F;
            font-size: .84rem;
            font-weight: 700;
            letter-spacing: .4px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.55rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--c-text-light);
            font-size: .98rem;
            margin: 0;
        }
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 15px;
            border-radius: var(--radius-full);
            font-size: .82rem;
            font-weight: 700;
        }
        .badge-cat {
            background: rgba(0, 194, 168, .12);
            color: #0B7C6F;
        }
        .badge-cat-light {
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            border: 0;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .btn:focus {
            box-shadow: none;
        }
        .btn-accent {
            background: var(--c-accent);
            border-color: var(--c-accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(0, 194, 168, .3);
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: #00B096;
            border-color: #00B096;
            color: #fff;
            box-shadow: 0 12px 28px rgba(0, 194, 168, .4);
        }
        .btn-gold {
            background: linear-gradient(135deg, #FFC53D, #FF9D00);
            border: none;
            color: #17324A;
            box-shadow: 0 8px 22px rgba(255, 158, 0, .22);
        }
        .btn-gold:hover,
        .btn-gold:focus {
            background: linear-gradient(135deg, #FFB31A, #F28A00);
            color: #17324A;
            box-shadow: 0 12px 28px rgba(255, 158, 0, .34);
        }
        .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }
        .btn-block {
            width: 100%;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: .88rem;
        }

        .site-header {
            padding: 18px 18px 4px;
            position: relative;
            z-index: 100;
        }
        .dock-nav {
            max-width: 1180px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            position: relative;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, .75);
            border-radius: var(--radius-full);
            padding: 10px 14px 10px 26px;
            box-shadow: var(--shadow-md);
            transition: box-shadow .3s ease;
        }
        .dock-nav:hover {
            box-shadow: var(--shadow-lg);
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-size: 1.08rem;
            font-weight: 800;
            color: var(--c-primary-dark);
            white-space: nowrap;
        }
        .nav-logo i {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-accent), #0EA5A5);
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 14px rgba(0, 194, 168, .35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: block;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: .94rem;
            color: var(--c-text-light);
            transition: background .25s ease, color .25s ease;
        }
        .nav-links li a:hover {
            color: var(--c-primary);
            background: rgba(0, 194, 168, .1);
        }
        .nav-links li a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
            box-shadow: 0 6px 16px rgba(11, 75, 111, .25);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid var(--c-border);
            background: var(--c-bg);
            color: var(--c-text);
            font-size: 1.05rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background .25s ease, color .25s ease;
        }
        .nav-toggle:hover {
            background: rgba(0, 194, 168, .14);
            color: var(--c-primary);
        }

        .article-hero {
            position: relative;
            padding: 92px 0 120px;
            color: #fff;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(5, 32, 48, .94) 0%, rgba(10, 59, 87, .86) 55%, rgba(0, 150, 140, .55) 100%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 9px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 22px;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .75);
            transition: color .25s ease;
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom i {
            font-size: .62rem;
            opacity: .8;
        }
        .breadcrumb-custom span {
            color: #fff;
            font-weight: 600;
        }
        .article-title {
            margin: 0 0 16px;
            font-size: clamp(1.7rem, 3.4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.32;
            max-width: 880px;
            color: #fff;
            letter-spacing: .3px;
        }
        .article-excerpt {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .86);
            max-width: 740px;
            line-height: 1.85;
            margin: 0 0 24px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .82);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-bubbles .bubble {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .24), rgba(255, 255, 255, .04));
            border: 1px solid rgba(255, 255, 255, .14);
            pointer-events: none;
            animation: float 5.5s ease-in-out infinite;
        }
        .b1 {
            width: 170px;
            height: 170px;
            top: 34px;
            right: 8%;
        }
        .b2 {
            width: 74px;
            height: 74px;
            bottom: 80px;
            left: 5%;
            animation-delay: 1.3s;
        }
        .b3 {
            width: 46px;
            height: 46px;
            top: 68%;
            right: 24%;
            animation-delay: 2.4s;
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        .article-section {
            position: relative;
            z-index: 3;
            margin-top: -64px;
            padding: 0 0 90px;
        }
        .article-main {
            background: #fff;
            border: 1px solid rgba(255, 255, 255, .7);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 38px;
        }
        .article-cover {
            margin-bottom: 28px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-cover img {
            width: 100%;
            max-height: 380px;
            object-fit: cover;
        }
        .article-body {
            color: #24384A;
            font-size: 1.03rem;
            line-height: 1.98;
            word-break: break-word;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--c-primary-dark);
            margin: 2.2em 0 .7em;
            position: relative;
        }
        .article-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--c-primary);
            margin: 1.8em 0 .6em;
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-primary);
            margin: 1.6em 0 .5em;
        }
        .article-body p {
            margin: 0 0 1.4em;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5em;
        }
        .article-body li {
            margin-bottom: .4em;
        }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 1.2em 0;
        }
        .article-body blockquote {
            border-left: 4px solid var(--c-accent);
            background: rgba(0, 194, 168, .06);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 0 0 1.5em;
            color: var(--c-text-light);
            font-style: normal;
        }
        .article-body a {
            color: #0B7C8A;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--c-accent);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 0 0 1.5em;
            font-size: .92rem;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--c-border);
            padding: 11px 15px;
        }
        .article-body th {
            background: rgba(0, 194, 168, .08);
            font-weight: 700;
        }
        .article-disclaimer {
            display: flex;
            gap: 12px;
            background: #F2F8FA;
            border: 1px solid #DCEAF0;
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            margin-top: 30px;
        }
        .article-disclaimer i {
            color: var(--c-primary);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .article-disclaimer p {
            color: var(--c-text-light);
            font-size: .88rem;
            line-height: 1.7;
            margin: 0;
        }
        .article-footer-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--c-border);
        }
        .tag-title {
            font-weight: 700;
            color: var(--c-text);
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-block;
            padding: 6px 15px;
            border-radius: var(--radius-full);
            background: rgba(0, 194, 168, .1);
            color: #0B7C6F;
            font-size: .82rem;
            font-weight: 600;
            transition: background .25s ease, color .25s ease;
        }
        .tag-item:hover {
            background: rgba(0, 194, 168, .2);
            color: #085E55;
        }

        .register-tips-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            background: linear-gradient(135deg, #FFF8E7, #FFEEC2);
            border: 1px solid #FFD88A;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 24px;
            box-shadow: var(--shadow-sm);
        }
        .register-tips-bar i {
            color: #E89B00;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .register-tips-bar p {
            margin: 0;
            flex: 1;
            color: #7A5A1E;
            font-size: .94rem;
            line-height: 1.65;
        }

        .article-side {
            gap: 20px;
        }
        @media (min-width: 992px) {
            .article-side {
                position: sticky;
                top: 20px;
            }
        }
        .side-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-sm);
        }
        .side-card h3 {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-primary-dark);
            margin-bottom: 14px;
        }
        .side-card p {
            color: var(--c-text-light);
            font-size: .92rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .side-card-grad {
            background: linear-gradient(135deg, var(--c-primary) 0%, #0E7C88 100%);
            color: #fff;
            border: none;
            box-shadow: 0 18px 38px rgba(11, 75, 111, .32);
        }
        .side-card-grad h3 {
            color: #fff;
        }
        .side-card-grad p {
            color: rgba(255, 255, 255, .86);
        }
        .side-card-note {
            background: #F4FAF9;
            border-color: #D9F0EB;
        }
        .info-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .info-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 11px 0;
            border-bottom: 1px dashed var(--c-border);
            font-size: .9rem;
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list span {
            color: var(--c-text-light);
        }
        .info-list strong {
            color: var(--c-text);
            font-weight: 600;
        }

        .not-found {
            text-align: center;
            padding: 70px 20px;
        }
        .not-found i {
            font-size: 3.2rem;
            color: var(--c-accent);
            margin-bottom: 20px;
            display: inline-block;
        }
        .not-found h2 {
            font-weight: 800;
            color: var(--c-primary-dark);
            margin-bottom: 12px;
        }
        .not-found p {
            color: var(--c-text-light);
            margin-bottom: 26px;
            font-size: .98rem;
        }

        .related-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .related-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
        }
        .related-img {
            height: 190px;
            overflow: hidden;
        }
        .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover .related-img img {
            transform: scale(1.08);
        }
        .related-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 22px;
            flex: 1;
        }
        .related-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.55;
            margin: 0;
        }
        .related-content p {
            color: var(--c-text-light);
            font-size: .88rem;
            line-height: 1.6;
            margin: 0;
        }
        .related-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #8AA3B3;
            font-size: .82rem;
            margin-top: auto;
            padding-top: 8px;
        }
        .related-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-meta .fa-arrow-right {
            transition: transform .25s ease;
        }
        .related-card:hover .related-meta .fa-arrow-right {
            transform: translateX(4px);
        }
        .empty-tip {
            color: var(--c-text-light);
            padding: 40px 0;
            font-size: .95rem;
            text-align: center;
        }

        .steps-section {
            background: var(--c-bg);
            padding: var(--space-section) 0;
        }
        .step-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 34px 22px 30px;
            text-align: center;
            height: 100%;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            position: absolute;
            top: 12px;
            right: 18px;
            font-size: 2.6rem;
            font-weight: 800;
            color: rgba(11, 75, 111, .07);
            line-height: 1;
        }
        .step-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--c-accent), #0EA5A5);
            color: #fff;
            font-size: 1.35rem;
            box-shadow: 0 10px 24px rgba(0, 194, 168, .35);
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-primary-dark);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: .89rem;
            color: var(--c-text-light);
            line-height: 1.7;
            margin: 0;
        }

        .faq-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            color: var(--c-text);
            padding: 19px 24px;
            background: #fff;
            font-size: .98rem;
            transition: background .25s ease, color .25s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 194, 168, .08);
            color: var(--c-primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 194, 168, .25);
        }
        .faq-accordion .accordion-body {
            color: var(--c-text-light);
            font-size: .94rem;
            line-height: 1.85;
            padding: 18px 24px 22px;
        }

        .cta-section {
            padding: 30px 0 var(--space-section);
        }
        .cta-band {
            position: relative;
            background: linear-gradient(120deg, #072B40 0%, #0B4B6F 45%, #0E7C88 100%);
            border-radius: var(--radius-lg);
            padding: 62px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
            color: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-band::before {
            content: '';
            position: absolute;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 194, 168, .4), transparent 70%);
            top: -90px;
            right: 12%;
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .14);
            bottom: -44px;
            left: 7%;
            pointer-events: none;
        }
        .cta-content,
        .cta-actions {
            position: relative;
            z-index: 1;
        }
        .cta-content .badge-custom {
            margin-bottom: 14px;
        }
        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.6vw, 2rem);
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, .82);
            font-size: 1rem;
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }

        .site-footer {
            background: linear-gradient(180deg, #072133 0%, #061A2B 100%);
            color: #9DB8C8;
            padding: 70px 0 30px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 60px;
            padding-bottom: 42px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.16rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo i {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--c-accent), #0d9488);
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 14px rgba(0, 194, 168, .3);
        }
        .footer-brand p {
            line-height: 1.85;
            font-size: .94rem;
            color: #8FA9B9;
            max-width: 430px;
            margin: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 11px;
        }
        .footer-links a {
            color: #9DB8C8;
            font-size: .92rem;
            transition: color .25s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            padding-top: 26px;
            font-size: .88rem;
            color: #7C97A8;
        }
        .legal {
            display: flex;
            gap: 18px;
        }

        @media (max-width: 991.98px) {
            .article-section {
                margin-top: -40px;
            }
            .article-main {
                padding: 28px 24px;
            }
            .steps-row .step-item {
                margin-bottom: 8px;
            }
        }
        @media (max-width: 860px) {
            .dock-nav {
                padding-left: 18px;
            }
            .nav-links {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                display: none;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--c-border);
                padding: 14px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                text-align: center;
                padding: 13px 16px;
            }
            .nav-toggle {
                display: inline-flex;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 60px 0;
            }
            .article-hero {
                padding: 78px 0 104px;
            }
            .article-section {
                padding-bottom: 60px;
            }
            .article-main {
                padding: 24px 20px;
            }
            .section-head {
                margin-bottom: 38px;
            }
            .bd-bottom-actions,
            .cta-band {
                flex-direction: column;
                padding: 44px 26px;
                text-align: center;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .register-tips-bar {
                flex-direction: column;
                text-align: center;
            }
            .register-tips-bar i {
                margin-bottom: 2px;
            }
            .article-meta {
                gap: 14px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .related-img {
                height: 170px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-inline: 18px;
            }
            .dock-nav {
                border-radius: 20px;
                padding: 9px 10px 9px 14px;
            }
            .nav-logo span {
                font-size: .9rem;
            }
            .nav-logo i {
                width: 34px;
                height: 34px;
                font-size: .9rem;
            }
            .nav-cta .btn {
                padding: 9px 15px;
                font-size: .84rem;
            }
            .nav-cta {
                gap: 8px;
            }
            .article-main {
                padding: 20px 16px;
                border-radius: 18px;
            }
            .breadcrumb-custom {
                font-size: .8rem;
            }
            .article-title {
                font-size: 1.45rem;
            }
            .article-excerpt {
                font-size: .95rem;
            }
            .article-meta {
                font-size: .84rem;
            }
            .step-item {
                padding: 28px 16px 24px;
            }
        }