/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #25254a;
            --color-accent: #b8934f;
            --color-accent-light: #d4b978;
            --color-accent-soft: #f5eedb;
            --color-bg: #ffffff;
            --color-bg-alt: #fafaf8;
            --color-bg-dark: #f2f0eb;
            --color-text: #1d1d1f;
            --color-text-strong: #0f0f12;
            --color-text-weak: #6e6e73;
            --color-text-muted: #9a9a9f;
            --color-border: #e5e3dc;
            --color-border-light: #f0efe9;
            --color-success: #2d8c4e;
            --color-warning: #d4a017;
            --color-danger: #c0392b;
            --color-white: #ffffff;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --shadow-accent: 0 8px 32px rgba(184, 147, 79, 0.22);
            --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
            --max-width: 1200px;
            --max-width-narrow: 860px;
            --header-height: 72px;
            --nav-height-mobile: 60px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: var(--color-text-strong);
            font-weight: 700;
        }

        /* ---- Container ---- */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container--narrow {
            max-width: var(--max-width-narrow);
        }

        /* ---- Header & Nav ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: var(--header-height);
            gap: 16px;
            flex-wrap: nowrap;
        }

        .header-logo {
            flex-shrink: 0;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-light);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* Search-dominant nav */
        .nav-search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            max-width: 480px;
            min-width: 200px;
        }

        .nav-search {
            width: 100%;
            display: flex;
            align-items: center;
            background: var(--color-bg-alt);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 10px 18px;
            gap: 10px;
            transition: all var(--transition-base);
            position: relative;
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            background: var(--color-white);
            box-shadow: var(--shadow-accent);
        }

        .nav-search-icon {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 1rem;
            transition: color var(--transition-fast);
        }

        .nav-search:focus-within .nav-search-icon {
            color: var(--color-accent);
        }

        .nav-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.95rem;
            color: var(--color-text);
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-search-btn {
            flex-shrink: 0;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-search-btn:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

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

        .nav-links-desktop a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover,
        .nav-links-desktop a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .nav-links-desktop a.active {
            color: var(--color-primary);
            background: var(--color-accent-soft);
            font-weight: 700;
        }

        /* Mobile nav toggle */
        .mobile-menu-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            background: var(--color-white);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
            border-color: var(--color-accent);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-white);
            z-index: 999;
            flex-direction: column;
            padding: 20px;
            gap: 8px;
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-color: var(--color-accent-light);
        }

        .mobile-nav-panel .mobile-search-wrap {
            margin-bottom: 8px;
        }

        .mobile-nav-panel .nav-search {
            width: 100%;
            border-radius: var(--radius-md);
        }

        /* ---- Hero ---- */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--color-primary) url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 20px 100px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(26, 26, 46, 0.88) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-light);
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 185, 120, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(212, 185, 120, 0);
            }
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero h1 .accent-text {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.25rem);
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-search {
            max-width: 560px;
            margin: 0 auto 40px;
            display: flex;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-full);
            padding: 6px 6px 6px 22px;
            gap: 10px;
            box-shadow: var(--shadow-xl);
            transition: all var(--transition-base);
        }

        .hero-search:focus-within {
            box-shadow: var(--shadow-xl), 0 0 0 4px rgba(212, 185, 120, 0.25);
        }

        .hero-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 1rem;
            color: var(--color-text);
            min-width: 0;
        }

        .hero-search input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-search-btn {
            flex-shrink: 0;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-full);
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .hero-search-btn:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }

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

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ---- Section Common ---- */
        .section {
            padding: 80px 0;
        }

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

        .section--dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 12px;
            background: var(--color-accent-soft);
            padding: 6px 16px;
            border-radius: var(--radius-full);
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: var(--color-text-strong);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section--dark .section-title {
            color: #ffffff;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section--dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ---- Cards Grid ---- */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .cards-grid--3col {
            grid-template-columns: repeat(3, 1fr);
        }

        .cards-grid--4col {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ---- Feature Card ---- */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent-light);
        }

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
        }

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

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

        /* ---- Image Card ---- */
        .image-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .image-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .image-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .image-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .image-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
        }

        .image-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            flex: 1;
            line-height: 1.5;
        }

        .image-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        /* ---- CMS List ---- */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cms-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
        }

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

        .cms-list-item-thumb {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-dark);
        }

        .cms-list-item-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cms-list-item-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text-strong);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-list-item-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .cms-list-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .cms-list-item-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .cms-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-muted);
            font-size: 1rem;
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--color-border);
        }

        /* ---- Category Entrance Card ---- */
        .category-entrance {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 320px;
        }

        .category-entrance-img {
            background: url('/assets/images/coverpic/cover-4.webp') center / cover no-repeat;
            min-height: 280px;
        }

        .category-entrance-body {
            padding: 44px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
            color: #ffffff;
        }

        .category-entrance-body h2 {
            color: #ffffff;
            font-size: 1.6rem;
            font-weight: 800;
        }

        .category-entrance-body p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        .category-entrance-btn {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #ffffff;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }

        .category-entrance-btn:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        /* ---- Stats Row ---- */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stats-row .stat-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stats-row .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-accent-light);
            letter-spacing: -0.02em;
        }

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

        /* ---- Steps ---- */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px 24px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-base);
            counter-increment: step;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-card::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 900;
            font-size: 1.1rem;
            margin: 0 auto 16px;
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        /* ---- FAQ ---- */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-accent-light);
        }

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

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition-base);
            color: var(--color-text-weak);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #ffffff;
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ---- CTA ---- */
        .cta-section {
            text-align: center;
            padding: 80px 20px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            margin: 0 20px;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 520px;
            margin: 0 auto 30px;
            line-height: 1.6;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #ffffff;
            padding: 15px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }

        .cta-btn:hover {
            background: var(--color-primary);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
        }

        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            padding: 14px 34px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            border: 2px solid var(--color-primary);
            margin-left: 12px;
        }

        .cta-btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* ---- Footer ---- */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 340px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ---- Badge / Tag ---- */
        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #ffe0e0;
            color: #c0392b;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        .badge-new {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #e0f5e9;
            color: #2d8c4e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        /* ---- Utility ---- */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

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

        .mt-sm {
            margin-top: 16px;
        }
        .mt-md {
            margin-top: 32px;
        }
        .mt-lg {
            margin-top: 48px;
        }

        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            .cards-grid--3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid--4col {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entrance {
                grid-template-columns: 1fr;
            }
            .category-entrance-img {
                min-height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --nav-height-mobile: 60px;
            }

            .header-inner {
                gap: 10px;
            }
            .header-logo {
                font-size: 1rem;
            }
            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-links-desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }

            .hero {
                min-height: 480px;
                padding: 60px 16px 80px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-lg);
                padding: 14px;
                gap: 8px;
            }
            .hero-search input {
                width: 100%;
                text-align: center;
            }
            .hero-search-btn {
                width: 100%;
                text-align: center;
                justify-content: center;
                border-radius: var(--radius-md);
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid--3col,
            .cards-grid--4col {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .category-entrance {
                grid-template-columns: 1fr;
            }
            .category-entrance-body {
                padding: 28px 20px;
            }
            .section {
                padding: 52px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .cms-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .cms-list-item-thumb {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }
            .cms-list-item-tag {
                align-self: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                margin: 0 10px;
                padding: 48px 16px;
            }
            .cta-btn-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 420px;
                padding: 50px 12px 60px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .category-entrance-body h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #1a2744;
            --primary-light: #253559;
            --accent: #c8963e;
            --accent-light: #e0b865;
            --accent-dark: #a0782e;
            --bg: #f7f5f0;
            --bg-white: #ffffff;
            --bg-warm: #fdfaf5;
            --text: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: #e0dcd4;
            --border-light: #eee9e0;
            --shadow-sm: 0 1px 3px rgba(26,39,68,0.06);
            --shadow: 0 4px 16px rgba(26,39,68,0.08);
            --shadow-lg: 0 12px 40px rgba(26,39,68,0.12);
            --shadow-xl: 0 20px 60px rgba(26,39,68,0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::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);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding-top: 12px;
            padding-bottom: 12px;
            flex-wrap: nowrap;
            min-height: 64px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }

        .header-logo:hover {
            opacity: 0.82;
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrap {
            flex: 1;
            min-width: 180px;
            max-width: 420px;
            margin: 0 auto;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 2px solid var(--border-light);
            border-radius: 50px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200,150,62,0.1);
            background: var(--bg-white);
        }

        .nav-search-icon {
            color: var(--text-muted);
            margin-left: 16px;
            flex-shrink: 0;
        }

        .nav-search input {
            flex: 1;
            padding: 10px 12px;
            font-size: 0.95rem;
            color: var(--text);
            background: transparent;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .nav-search-btn {
            padding: 10px 20px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 0 50px 50px 0;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-search-btn:hover {
            background: var(--accent-dark);
        }

        .nav-search-btn:active {
            transform: scale(0.96);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .nav-links-desktop a {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links-desktop a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .nav-links-desktop a.active {
            color: var(--accent-dark);
            background: #fdf5e8;
            font-weight: 600;
        }

        .mobile-menu-toggle {
            display: none;
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius);
            color: var(--primary);
            border: 1.5px solid var(--border);
            transition: all var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg);
            border-color: var(--accent);
        }

        .mobile-nav-panel {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 0 24px 20px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
        }

        .mobile-nav-panel.is-open {
            display: flex;
        }

        .mobile-search-wrap {
            margin-bottom: 10px;
            padding-top: 8px;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: #fdf5e8;
            color: var(--accent-dark);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--border);
            user-select: none;
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== Article Main ========== */
        .article-main {
            flex: 1;
            padding: 40px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-content-area {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* 文章头部 */
        .article-header-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border-light);
        }

        .article-category-tag {
            display: inline-block;
            padding: 6px 16px;
            background: #fdf5e8;
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .article-category-tag:hover {
            background: #fef0d5;
            color: var(--accent-dark);
        }

        .article-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-icon {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
        }

        .article-featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .article-featured-image img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        /* 文章正文 */
        .article-body-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            line-height: 1.85;
            font-size: 1.05rem;
            color: var(--text);
        }

        .article-body-block h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.2px;
        }

        .article-body-block h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 24px 0 10px;
        }

        .article-body-block p {
            margin-bottom: 14px;
        }

        .article-body-block img {
            border-radius: var(--radius);
            margin: 20px 0;
            max-width: 100%;
        }

        .article-body-block ul,
        .article-body-block ol {
            margin: 12px 0 16px 20px;
            padding-left: 8px;
        }

        .article-body-block ul {
            list-style: disc;
        }

        .article-body-block ol {
            list-style: decimal;
        }

        .article-body-block li {
            margin-bottom: 6px;
        }

        .article-body-block blockquote {
            border-left: 4px solid var(--accent);
            background: #fdfaf5;
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-body-block a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body-block a:hover {
            color: var(--accent);
        }

        .article-body-block strong {
            color: var(--primary);
        }

        /* 内容未找到 */
        .not-found-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .not-found-icon {
            font-size: 3.5rem;
            margin-bottom: 16px;
            display: block;
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .not-found-block p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(200,150,62,0.3);
            letter-spacing: 0.2px;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(200,150,62,0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-block;
            padding: 11px 26px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: all var(--transition);
        }

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

        /* ========== Sidebar ========== */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.2px;
        }

        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .sidebar-related-item:hover {
            opacity: 0.8;
        }

        .sidebar-related-thumb {
            width: 70px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .sidebar-related-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-related-info .related-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-related-info .related-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

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

        .sidebar-tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 0.78rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .sidebar-tag:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: #fdf5e8;
        }

        /* ========== Related Section ========== */
        .related-section {
            margin-top: 40px;
        }

        .section-label {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            letter-spacing: -0.2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .related-card-body {
            padding: 16px 18px;
        }

        .related-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: #fdf5e8;
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        .related-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-top: 48px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .faq-section .section-label {
            text-align: center;
            margin-bottom: 28px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary);
            text-align: left;
            gap: 12px;
            transition: all var(--transition);
            background: transparent;
        }

        .faq-question:hover {
            background: #fdfaf5;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent-dark);
            transition: all var(--transition);
            font-size: 1.1rem;
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,150,62,0.06);
        }

        /* ========== CTA ========== */
        .cta-section {
            margin-top: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, #1e3555 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-section > * {
            position: relative;
            z-index: 1;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 22px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            background: var(--accent);
            box-shadow: 0 6px 22px rgba(200,150,62,0.5);
            font-size: 1rem;
            padding: 14px 34px;
        }

        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(200,150,62,0.6);
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary);
            color: #c5cdd8;
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: #b0b9c4;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: #b0b9c4;
            padding: 5px 0;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #8a95a3;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }

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

            .article-title {
                font-size: 1.7rem;
            }

            .article-body-block {
                padding: 28px 24px;
            }

            .article-header-block {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }

            .nav-links-desktop {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-search-wrap {
                max-width: none;
                flex: 1;
                min-width: 0;
            }

            .nav-search input {
                font-size: 0.85rem;
            }

            .nav-search-btn {
                padding: 10px 14px;
                font-size: 0.8rem;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .article-sidebar {
                position: static;
                order: 10;
            }

            .article-title {
                font-size: 1.45rem;
            }

            .article-body-block {
                padding: 22px 18px;
                font-size: 0.98rem;
            }

            .article-header-block {
                padding: 22px 18px;
            }

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

            .faq-section {
                padding: 24px 16px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 16px 14px;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h3 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }

            .section-label {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .header-inner {
                gap: 8px;
                padding-top: 8px;
                padding-bottom: 8px;
                min-height: 54px;
            }

            .header-logo {
                font-size: 0.95rem;
                gap: 6px;
            }

            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .nav-search input {
                padding: 8px 10px;
                font-size: 0.8rem;
            }

            .nav-search-icon {
                margin-left: 10px;
                width: 15px;
                height: 15px;
            }

            .nav-search-btn {
                padding: 8px 12px;
                font-size: 0.75rem;
            }

            .article-title {
                font-size: 1.25rem;
            }

            .article-body-block {
                padding: 16px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius);
            }

            .article-header-block {
                padding: 16px 14px;
                border-radius: var(--radius);
            }

            .article-meta {
                gap: 10px;
                font-size: 0.78rem;
            }

            .article-body-block h2 {
                font-size: 1.2rem;
            }

            .article-body-block h3 {
                font-size: 1.05rem;
            }

            .btn-primary {
                padding: 10px 22px;
                font-size: 0.85rem;
            }

            .related-card-body {
                padding: 12px 14px;
            }

            .related-card-title {
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --color-primary: #c0392b;
            --color-primary-dark: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f39c12;
            --color-accent-dark: #e67e22;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f0eb;
            --color-bg-dark: #1a1a1a;
            --color-bg-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-strong: #1a1a1a;
            --color-text-weak: #6b6b6b;
            --color-text-muted: #999999;
            --color-border: #e8e3dd;
            --color-border-light: #f0ece7;
            --color-success: #27ae60;
            --color-success-bg: #eafaf1;
            --color-warning: #e67e22;
            --color-warning-bg: #fef9f3;
            --color-danger: #c0392b;
            --color-danger-bg: #fdedec;
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --max-width-narrow: 900px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-strong);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
        }
        h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
        }

        /* ==================== 容器 ==================== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: var(--max-width-narrow);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ==================== 站点头部 & 导航 ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 18px;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.18rem;
            color: var(--color-text-strong);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .header-logo:hover {
            opacity: 0.82;
        }
        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-weight: 900;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
            margin: 0 auto;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 2px solid var(--color-border);
            border-radius: 50px;
            overflow: hidden;
            transition: all var(--transition-base);
            height: 44px;
        }
        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.08);
            background: #fff;
        }
        .nav-search-icon {
            flex-shrink: 0;
            margin-left: 16px;
            color: var(--color-text-weak);
            pointer-events: none;
        }
        .nav-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 0.95rem;
            color: var(--color-text);
            outline: none;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }
        .nav-search-btn {
            flex-shrink: 0;
            padding: 8px 20px;
            margin: 4px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-search-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.3);
        }
        .nav-search-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* 桌面导航链接 */
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links-desktop a {
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links-desktop a:hover {
            color: var(--color-text-strong);
            background: var(--color-bg-alt);
        }
        .nav-links-desktop a.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: 0 2px 10px rgba(192, 57, 43, 0.3);
        }
        .nav-links-desktop a.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px 20px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-search-wrap {
            margin-bottom: 8px;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            background: var(--color-bg-alt);
        }
        .mobile-nav-panel a.active {
            background: var(--color-primary);
            color: #fff;
        }

        /* ==================== 主内容区 ==================== */
        .main-content {
            flex: 1;
        }

        /* ==================== Hero 板块 ==================== */
        .hero-section {
            position: relative;
            padding: 70px 0 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.7) 40%, rgba(26, 26, 26, 0.78) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }
        .hero-section h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .hero-section h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }
        .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.12rem;
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            letter-spacing: 0.2px;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(192, 57, 43, 0.5);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(192, 57, 43, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.85);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1.08rem;
        }

        /* 英雄统计条 */
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-stat-item {
            color: #fff;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ==================== 板块通用 ==================== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: #ddd;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        .section-header p {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-header p {
            color: #bbb;
        }
        .section-dark .section-header h2::after {
            background: var(--color-accent);
        }

        /* ==================== 板块间距辅助 ==================== */
        .mt-0 {
            margin-top: 0;
        }
        .mt-sm {
            margin-top: 16px;
        }
        .mt-md {
            margin-top: 28px;
        }
        .mt-lg {
            margin-top: 44px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-sm {
            margin-bottom: 16px;
        }
        .mb-md {
            margin-bottom: 28px;
        }
        .mb-lg {
            margin-bottom: 44px;
        }

        /* ==================== 卡片网格 ==================== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ==================== 卡片组件 ==================== */
        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }
        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image-wrap img {
            transform: scale(1.04);
        }
        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-success);
            color: #fff;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            z-index: 2;
        }
        .card-badge.warning {
            background: var(--color-warning);
        }
        .card-badge.hot {
            background: var(--color-danger);
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-text-strong);
        }
        .card-body p {
            color: var(--color-text-weak);
            font-size: 0.93rem;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.83rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }
        .card-link i {
            transition: transform var(--transition-fast);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* 特色卡片 - 带左侧色条 */
        .card-featured {
            border-left: 4px solid var(--color-primary);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        }
        .card-featured.accent {
            border-left-color: var(--color-accent);
        }
        .card-featured.success {
            border-left-color: var(--color-success);
        }

        /* ==================== 流程步骤 ==================== */
        .steps-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step-counter;
            position: relative;
        }
        .steps-list::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 50px;
            right: 50px;
            height: 3px;
            background: var(--color-border);
            z-index: 0;
            display: none;
        }
        .step-item {
            flex: 1;
            min-width: 220px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 16px 24px;
        }
        .step-icon-circle {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-full);
            background: #fff;
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-primary);
            transition: all var(--transition-base);
            position: relative;
        }
        .step-item:hover .step-icon-circle {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 12px rgba(192, 57, 43, 0.06);
            transform: scale(1.05);
        }
        .step-item h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ==================== 安全认证板块 ==================== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .security-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }
        .security-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-success);
            transform: translateY(-3px);
        }
        .security-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background: var(--color-success-bg);
            color: var(--color-success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 14px;
        }
        .security-item h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .security-item p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ==================== FAQ 手风琴 ==================== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-text-strong);
            text-align: left;
            background: transparent;
            cursor: pointer;
            transition: background var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-text-weak);
            font-size: 0.9rem;
        }
        .faq-item.is-open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ==================== CTA 板块 ==================== */
        .cta-section {
            position: relative;
            padding: 70px 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.92) 0%, rgba(169, 50, 38, 0.88) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-white {
            background: #fff;
            color: var(--color-primary);
            font-weight: 800;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-white:hover {
            background: #fefefe;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
        }
        .btn-cta-white:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        /* ==================== 表格样式（通道对比） ==================== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 640px;
        }
        .compare-table thead th {
            background: var(--color-bg-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
        }
        .compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.93rem;
            color: var(--color-text);
        }
        .compare-table tbody tr:hover td {
            background: var(--color-bg-alt);
        }
        .compare-table .badge-verified {
            display: inline-block;
            background: var(--color-success-bg);
            color: var(--color-success);
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.82rem;
        }
        .compare-table .badge-recommend {
            display: inline-block;
            background: #fef3e2;
            color: var(--color-accent-dark);
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.82rem;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #bbb;
            padding: 50px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #aaa;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: #bbb;
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            font-size: 0.84rem;
            color: #888;
        }

        /* ==================== 标签 & 徽章 ==================== */
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.2px;
        }
        .tag-green {
            background: var(--color-success-bg);
            color: var(--color-success);
        }
        .tag-red {
            background: var(--color-danger-bg);
            color: var(--color-danger);
        }
        .tag-orange {
            background: var(--color-warning-bg);
            color: var(--color-warning);
        }

        /* ==================== 响应式 - 平板 ==================== */
        @media (max-width: 1024px) {
            .nav-search-wrap {
                max-width: 280px;
            }
            .nav-links-desktop a {
                padding: 7px 12px;
                font-size: 0.85rem;
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
            .section {
                padding: 50px 0;
            }
            .steps-list {
                gap: 16px;
            }
            .step-item {
                min-width: 180px;
            }
        }

        /* ==================== 响应式 - 手机 ==================== */
        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-search-wrap {
                max-width: none;
                flex: 1;
            }
            .header-inner {
                gap: 10px;
            }
            .header-logo span:last-child {
                font-size: 0.95rem;
            }
            .header-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .hero-section {
                padding: 40px 0 50px;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats-row {
                justify-content: center;
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .steps-list {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                min-width: auto;
                max-width: 340px;
                width: 100%;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 44px 0;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.93rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 1rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.is-open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ==================== 响应式 - 小手机 ==================== */
        @media (max-width: 520px) {
            .header-logo span:last-child {
                display: none;
            }
            .nav-search input {
                font-size: 0.84rem;
            }
            .nav-search-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-search-icon {
                margin-left: 10px;
            }
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                flex-direction: column;
                align-items: center;
                gap: 14px;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        /* ==================== 实用工具类 ==================== */
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: var(--color-text-weak);
        }
        .font-bold {
            font-weight: 700;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .gap-sm {
            gap: 10px;
        }
        .gap-md {
            gap: 18px;
        }
        .w-full {
            width: 100%;
        }