/* roulang page: index */
/* ===== DESIGN VARIABLES ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2d4a7a;
            --primary-dark: #0f1a2e;
            --secondary: #c8a96e;
            --secondary-light: #e8d5a3;
            --secondary-dark: #a8884e;
            --accent: #f0e6d0;
            --bg: #faf8f4;
            --bg-alt: #f2eee7;
            --bg-dark: #1a2a4a;
            --text: #1e1e1e;
            --text-light: #6b6b6b;
            --text-white: #f8f6f2;
            --border: #e0dbd3;
            --border-light: #efeae2;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-width: 1200px;
            --nav-height: 76px;
        }

        /* ===== RESET & BASE ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.4rem; }
        p { margin-bottom: 1rem; color: var(--text-light); }

        /* ===== CONTAINER ===== */
        .container { max-width: var(--container-width); padding: 0 24px; margin: 0 auto; width: 100%; }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: nowrap;
        }
        .nav-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-brand:hover { color: var(--secondary); }
        .nav-brand i { color: var(--secondary); margin-right: 8px; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: var(--accent);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--text-white);
        }
        .nav-cta {
            padding: 8px 24px !important;
            background: var(--secondary) !important;
            color: var(--primary-dark) !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
        }
        .nav-cta:hover {
            background: var(--secondary-dark) !important;
            color: #fff !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 0 100px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-blend-mode: overlay;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.82) 0%, rgba(26,42,74,0.72) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-block;
            background: rgba(200,169,110,0.2);
            color: var(--secondary-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            border: 1px solid rgba(200,169,110,0.3);
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero h1 span { color: var(--secondary-light); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-primary-custom {
            background: var(--secondary);
            color: var(--primary-dark);
            border: none;
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(200,169,110,0.4);
        }
        .btn-primary-custom:hover {
            background: var(--secondary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(200,169,110,0.5);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--secondary-light);
            color: var(--secondary-light);
        }

        /* ===== SECTION COMMON ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { max-width: 600px; margin: 0 auto; color: var(--text-light); }
        .section-dark .section-title h2 { color: var(--text-white); }
        .section-dark .section-title p { color: rgba(255,255,255,0.7); }

        /* ===== FEATURES ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 40px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--primary);
        }
        .feature-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
        .feature-card p { font-size: 0.95rem; margin-bottom: 0; }

        /* ===== CATEGORY ENTRY ===== */
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .category-card img { width: 100%; height: 200px; object-fit: cover; }
        .category-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .category-card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .category-card-body p { font-size: 0.92rem; margin-bottom: 16px; flex: 1; }
        .category-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            align-self: flex-start;
        }
        .category-card .btn-link-custom {
            color: var(--primary-light);
            font-weight: 600;
            align-self: flex-start;
            margin-top: 8px;
        }
        .category-card .btn-link-custom i { transition: var(--transition); }
        .category-card .btn-link-custom:hover i { transform: translateX(4px); }

        /* ===== LATEST POSTS (CMS) ===== */
        .posts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .post-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .post-card .post-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 12px;
            align-items: center;
        }
        .post-card .post-meta .badge-custom {
            background: var(--accent);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.75rem;
        }
        .post-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
        .post-card h3 a { color: var(--primary); }
        .post-card h3 a:hover { color: var(--secondary); }
        .post-card p { font-size: 0.92rem; margin-bottom: 16px; flex: 1; }
        .post-card .post-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            color: var(--text-light);
            font-size: 1.05rem;
        }

        /* ===== PROCESS / STEPS ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }
        .step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.9rem; margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--secondary); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
        }
        .faq-question i { transition: var(--transition); color: var(--secondary); }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,26,46,0.78);
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 28px; font-size: 1.1rem; }
        .cta-section .btn-primary-custom { font-size: 1.1rem; padding: 16px 48px; }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
        .footer-brand { font-size: 1.3rem; font-weight: 800; color: var(--text-white); margin-bottom: 12px; }
        .footer-brand i { color: var(--secondary); }
        .footer-about p { font-size: 0.92rem; color: rgba(255,255,255,0.6); }
        .footer-links h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
        .footer-links a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--secondary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--secondary-light); }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .hero { min-height: 420px; padding: 60px 0 80px; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .section { padding: 48px 0; }
            .site-header .container { justify-content: space-between; }
            .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
            .nav-links.open { display: flex; }
            .nav-toggle { display: block; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .posts-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-buttons .btn-primary-custom,
            .hero-buttons .btn-outline-custom { width: 100%; }
            .nav-brand { font-size: 1.1rem; }
        }

        /* ===== UTILITY ===== */
        .text-secondary-custom { color: var(--secondary); }
        .bg-accent { background: var(--accent); }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }
        .mb-0 { margin-bottom: 0; }
        .mb-3 { margin-bottom: 16px; }
        .fw-600 { font-weight: 600; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a6b;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2444;
            --primary-rgb: 26, 58, 107;
            --accent: #d4a843;
            --accent-light: #e8c56e;
            --accent-dark: #b8892e;
            --accent-rgb: 212, 168, 67;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f2444;
            --bg-section-alt: #eef1f7;
            --text-primary: #1a2a4a;
            --text-secondary: #4a5a7a;
            --text-muted: #8a9ab0;
            --text-light: #f0f4ff;
            --border-color: #e2e7ef;
            --border-light: #f0f2f6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-width: 1200px;
        }

        /* ===== Base & Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
        .container-fluid { width: 100%; padding: 0 20px; }

        /* ===== Header & Navigation (居中Logo + 两侧布局) ===== */
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            height: 70px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            position: relative;
        }
        .nav-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-brand i { color: var(--accent); font-size: 1.4rem; }
        .nav-brand:hover { color: var(--primary-light); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 100%;
            justify-content: space-between;
        }
        .nav-links .nav-left,
        .nav-links .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(var(--primary-rgb), 0.06);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(var(--primary-rgb), 0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-links a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 8px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.35);
            transition: var(--transition);
        }
        .nav-links a.nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.45);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            z-index: 1060;
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
        }
        .page-banner .breadcrumb a { color: rgba(255,255,255,0.85); }
        .page-banner .breadcrumb a:hover { color: var(--accent); }
        .page-banner .breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

        /* ===== Article Main ===== */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            border: 1px solid var(--border-color);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-meta span {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta span i { color: var(--accent); }
        .article-meta .category-badge {
            background: rgba(var(--primary-rgb), 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-body p { margin-bottom: 1.2em; }
        .article-body h2, .article-body h3 { margin-top: 1.8em; margin-bottom: 0.8em; }
        .article-body ul, .article-body ol { padding-left: 1.5em; margin-bottom: 1.2em; }
        .article-body li { margin-bottom: 0.4em; list-style: disc; }
        .article-body img { border-radius: var(--radius-md); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(var(--accent-rgb), 0.06);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body a { color: var(--primary-light); text-decoration: underline; }
        .article-body a:hover { color: var(--accent); }
        .article-footer {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer .tags a {
            background: rgba(var(--primary-rgb), 0.06);
            color: var(--text-secondary);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .article-footer .tags a:hover {
            background: var(--primary);
            color: #fff;
        }
        .article-footer .share-btns {
            display: flex;
            gap: 8px;
        }
        .article-footer .share-btns a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .article-footer .share-btns a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            padding: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-card ul li:last-child { border-bottom: none; }
        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover { color: var(--primary); padding-left: 4px; }
        .sidebar-card ul li a i { color: var(--accent); font-size: 0.7rem; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border: none;
        }
        .sidebar-cta h4 { color: #fff; border-bottom-color: var(--accent); }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin-bottom: 16px; }
        .sidebar-cta .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 10px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: var(--transition);
            text-align: center;
            width: 100%;
        }
        .sidebar-cta .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-brand i { color: var(--accent); }
        .footer-about p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .site-header { height: 60px; }
            .nav-toggle { display: block; }
            .nav-brand { font-size: 1rem; position: static; transform: none; margin: 0 auto; }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--border-color);
                z-index: 1040;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links .nav-left,
            .nav-links .nav-right {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
            }
            .nav-links a.active::after { display: none; }
            .nav-links a.nav-cta { text-align: center; }
            .page-banner { padding: 60px 0 40px; min-height: 180px; }
            .page-banner h1 { font-size: 1.5rem; }
            .article-content { padding: 24px; }
            .article-meta { gap: 12px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .page-banner h1 { font-size: 1.25rem; }
            .article-content { padding: 16px; }
            .article-body { font-size: 0.95rem; }
            .article-footer { flex-direction: column; align-items: flex-start; }
        }
        @media (min-width: 769px) {
            .nav-links { display: flex !important; flex-direction: row; opacity: 1 !important; transform: none !important; position: static !important; box-shadow: none !important; background: transparent !important; border: none !important; padding: 0 !important; }
            .nav-toggle { display: none !important; }
        }

        /* ===== Utility ===== */
        .text-accent { color: var(--accent); }
        .bg-accent { background: var(--accent); }
        .rounded-custom { border-radius: var(--radius-md); }
        .shadow-custom { box-shadow: var(--shadow-md); }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .text-center { text-align: center; }
        .fw-700 { font-weight: 700; }
        .gap-2 { gap: 0.5rem; }
        .gap-3 { gap: 1rem; }
        .d-flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .w-100 { width: 100%; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d2b4e;
            --primary-light: #1a4a7a;
            --primary-dark: #091e36;
            --accent: #d4a43a;
            --accent-light: #e8bc5a;
            --accent-dark: #b88d2a;
            --bg-body: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0d1b2a;
            --bg-soft: #eef1f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a5568;
            --text-muted: #8a94a6;
            --text-light: #f0f4f8;
            --border-color: #e0e4e8;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(13, 43, 78, 0.06);
            --shadow-md: 0 6px 24px rgba(13, 43, 78, 0.08);
            --shadow-lg: 0 12px 40px rgba(13, 43, 78, 0.12);
            --shadow-xl: 0 24px 60px rgba(13, 43, 78, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        p {
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(13, 43, 78, 0.06);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            position: relative;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .nav-brand i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .nav-brand:hover {
            color: var(--primary-light);
            transform: scale(1.01);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(13, 43, 78, 0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-links a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(13, 43, 78, 0.2);
        }
        .nav-links a.nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 43, 78, 0.3);
            color: #fff;
        }
        .nav-links a.nav-cta i {
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
        }
        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .site-header .container {
                justify-content: center;
                padding-left: 56px;
                padding-right: 16px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(13, 43, 78, 0.08);
                border-left: 3px solid var(--accent);
            }
            .nav-links a.nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .nav-brand {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-brand i {
                font-size: 1.1rem;
            }
        }

        /* ===== Banner / Hero ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.88) 0%, rgba(13, 43, 78, 0.72) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .breadcrumb-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .page-banner .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .page-banner .breadcrumb-nav a:hover {
            color: var(--accent-light);
        }
        .page-banner .breadcrumb-nav span {
            color: rgba(255, 255, 255, 0.9);
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .page-banner h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .page-banner .banner-tags .tag {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .page-banner .banner-tags .tag i {
            color: var(--accent);
            margin-right: 6px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 60px 0 52px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .page-banner .banner-tags .tag {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 40px;
            text-align: center;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 16px;
        }
        .text-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

        /* ===== 登录方式卡片 ===== */
        .login-methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .login-method-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .login-method-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .login-method-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .login-method-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .login-method-card:hover .card-img img {
            transform: scale(1.05);
        }
        .login-method-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .login-method-card .card-img .card-tag i {
            color: var(--accent);
        }
        .login-method-card .card-body {
            padding: 24px 26px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .login-method-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .login-method-card .card-body h3 i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .login-method-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.7;
        }
        .login-method-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .login-method-card .card-body .card-link i {
            transition: var(--transition);
        }
        .login-method-card .card-body .card-link:hover {
            color: var(--accent);
        }
        .login-method-card .card-body .card-link:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 992px) {
            .login-methods-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .login-methods-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .login-method-card .card-img {
                height: 180px;
            }
            .login-method-card .card-body {
                padding: 18px 20px 20px;
            }
        }

        /* ===== 步骤流程 ===== */
        .steps-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-card {
            text-align: center;
            padding: 36px 20px 32px;
            border-radius: var(--radius-md);
            background: var(--bg-soft);
            transition: var(--transition);
            position: relative;
            border: 1px solid transparent;
        }
        .step-card:hover {
            background: var(--bg-card);
            border-color: var(--border-color);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }
        .step-card .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(13, 43, 78, 0.2);
            position: relative;
            z-index: 1;
        }
        .step-card .step-number::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            opacity: 0.3;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .step-card .step-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .step-connector {
            display: none;
        }

        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 576px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .step-card {
                padding: 24px 16px 22px;
                display: flex;
                align-items: center;
                text-align: left;
                gap: 18px;
            }
            .step-card .step-number {
                margin: 0 0 0 0;
                flex-shrink: 0;
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .step-card .step-icon {
                display: none;
            }
            .step-card .step-text {
                flex: 1;
            }
            .step-card h4 {
                margin-bottom: 4px;
            }
        }

        /* ===== 安全提示 ===== */
        .safety-section {
            background: var(--bg-soft);
        }
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .safety-item {
            display: flex;
            gap: 18px;
            padding: 24px 28px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .safety-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .safety-item .safety-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(212, 164, 58, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
        }
        .safety-item .safety-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .safety-item .safety-text p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .safety-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .safety-item {
                padding: 18px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-card);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-soft);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }
        .faq-item .faq-question .q-icon {
            color: var(--primary);
            font-weight: 700;
            margin-right: 8px;
        }

        @media (max-width: 576px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.9) 0%, rgba(13, 43, 78, 0.8) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(212, 164, 58, 0.35);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(212, 164, 58, 0.45);
            color: var(--primary-dark);
        }
        .cta-section .btn-outline-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }
        .cta-section .btn-outline-cta:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta,
            .cta-section .btn-outline-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-about .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-about .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-about p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer .footer-bottom span:first-child {
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 992px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 24px;
            }
            .site-footer .footer-about p {
                max-width: 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
                padding: 16px 0;
            }
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 辅助 ===== */
        .bg-soft {
            background: var(--bg-soft);
        }
        .bg-white {
            background: var(--bg-card);
        }
        .text-accent {
            color: var(--accent);
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mb-1 {
            margin-bottom: 4px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mb-5 {
            margin-bottom: 32px;
        }
        .mb-6 {
            margin-bottom: 48px;
        }
        .pt-0 {
            padding-top: 0;
        }
        .pb-0 {
            padding-bottom: 0;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .d-mobile-none {
                display: none !important;
            }
        }
        @media (min-width: 769px) {
            .d-desktop-none {
                display: none !important;
            }
        }