/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #0d1b2a;
            --color-primary-light: #1b2d45;
            --color-secondary: #d4a84b;
            --color-secondary-hover: #e0b95e;
            --color-accent: #4fc3f7;
            --color-accent-dark: #29b6f6;
            --color-bg: #f7f8fa;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #0a1628;
            --color-text: #1a1a2e;
            --color-text-light: #5a5a7a;
            --color-text-lighter: #8a8aaa;
            --color-text-on-dark: #f0f0f5;
            --color-text-muted: #b0b0c8;
            --color-border: #e2e4ea;
            --color-border-light: #f0f1f5;
            --color-card-bg: #ffffff;
            --color-card-shadow: rgba(13, 27, 42, 0.08);
            --color-overlay: rgba(10, 22, 40, 0.7);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(13, 27, 42, 0.10);
            --shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.14);
            --shadow-glow: 0 0 30px rgba(212, 168, 75, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
            --space-section: 100px;
            --space-section-md: 70px;
            --space-section-sm: 50px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-secondary-hover);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Typography ===== */
        .heading-xl {
            font-size: clamp(2.4rem, 5.5vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }
        .heading-lg {
            font-size: clamp(1.8rem, 3.8vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
        }
        .heading-md {
            font-size: clamp(1.3rem, 2.4vw, 1.75rem);
            font-weight: 600;
            line-height: 1.35;
        }
        .heading-sm {
            font-size: clamp(1.05rem, 1.6vw, 1.25rem);
            font-weight: 600;
            line-height: 1.4;
        }
        .text-lg {
            font-size: 1.125rem;
            line-height: 1.7;
        }
        .text-base {
            font-size: 1rem;
            line-height: 1.7;
        }
        .text-sm {
            font-size: 0.875rem;
            line-height: 1.6;
        }
        .text-xs {
            font-size: 0.75rem;
            line-height: 1.5;
        }
        .text-secondary {
            color: var(--color-secondary);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-muted {
            color: var(--color-text-light);
        }
        .text-center {
            text-align: center;
        }
        .text-white {
            color: #fff;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-md {
            padding: var(--space-section-md) 0;
        }
        .section-sm {
            padding: var(--space-section-sm) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-with-bg {
            position: relative;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }
        .section-with-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--color-overlay);
            z-index: 0;
        }
        .section-with-bg>* {
            position: relative;
            z-index: 1;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-secondary);
            background: rgba(212, 168, 75, 0.12);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }
        .section-title {
            margin-bottom: 16px;
        }
        .section-subtitle {
            max-width: 680px;
            margin: 0 auto 48px auto;
            color: var(--color-text-light);
        }
        .section-dark .section-subtitle {
            color: var(--color-text-muted);
        }
        .section-subtitle.text-white {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Header / Nav (悬浮胶囊导航) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: var(--max-width);
            background: rgba(13, 27, 42, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            padding: 0 24px;
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 22, 40, 0.96);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0d1b2a;
            flex-shrink: 0;
        }
        .header-logo span {
            color: #fff;
        }
        .header-logo .logo-text-accent {
            color: var(--color-secondary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-nav a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 100px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .header-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .header-nav a.active {
            color: #0d1b2a;
            background: var(--color-secondary);
            font-weight: 600;
        }
        .header-nav a.active:hover {
            background: var(--color-secondary-hover);
            color: #0d1b2a;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta .btn-nav {
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--color-secondary);
            color: #0d1b2a;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .header-cta .btn-nav:hover {
            background: var(--color-secondary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 4px;
            transition: all var(--transition);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(13, 27, 42, 0.6) 60%, rgba(13, 27, 42, 0.3) 100%);
            z-index: 0;
        }
        .hero>* {
            position: relative;
            z-index: 1;
        }
        .hero .container {
            width: 100%;
        }

        .hero-content {
            max-width: 780px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 75, 0.18);
            border: 1px solid rgba(212, 168, 75, 0.25);
            border-radius: 100px;
            padding: 6px 18px 6px 12px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-secondary);
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--color-secondary);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.85);
            }
        }

        .hero-title {
            color: #fff;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: clamp(1.05rem, 1.8vw, 1.25rem);
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 56px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .num .suffix {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-secondary);
            margin-left: 2px;
        }
        .hero-stat-item .label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-secondary);
            color: #0d1b2a;
            box-shadow: 0 4px 20px rgba(212, 168, 75, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 75, 0.4);
            color: #0d1b2a;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        .btn-outline:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            transform: translateY(-2px);
            background: rgba(212, 168, 75, 0.08);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #0d1b2a;
            box-shadow: 0 4px 20px rgba(79, 195, 247, 0.3);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(79, 195, 247, 0.4);
            color: #0d1b2a;
        }
        .btn-lg {
            padding: 16px 42px;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(212, 168, 75, 0.2);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--color-border-light);
        }
        .card-body {
            padding: 24px 26px 28px;
        }
        .card-body .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--color-secondary);
            background: rgba(212, 168, 75, 0.10);
            padding: 2px 12px;
            border-radius: 100px;
            margin-bottom: 10px;
        }
        .card-body .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-body .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-body .card-link:hover {
            gap: 8px;
        }

        .card-feature {
            text-align: center;
            padding: 40px 28px 36px;
        }
        .card-feature .icon {
            font-size: 2.8rem;
            margin-bottom: 16px;
            display: inline-block;
            background: rgba(212, 168, 75, 0.08);
            width: 72px;
            height: 72px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px auto;
        }
        .card-feature .icon.gold {
            background: rgba(212, 168, 75, 0.12);
            color: var(--color-secondary);
        }
        .card-feature .icon.blue {
            background: rgba(79, 195, 247, 0.10);
            color: var(--color-accent);
        }
        .card-feature .icon.dark {
            background: rgba(13, 27, 42, 0.06);
            color: var(--color-primary);
        }
        .card-feature .icon.green {
            background: rgba(102, 187, 106, 0.10);
            color: #66bb6a;
        }
        .card-feature h3 {
            margin-bottom: 8px;
        }
        .card-feature p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2-1 {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        /* ===== Tags / Badges ===== */
        .tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--color-border-light);
            color: var(--color-text-light);
            transition: all var(--transition);
        }
        .tag-gold {
            background: rgba(212, 168, 75, 0.12);
            color: var(--color-secondary);
        }
        .tag-blue {
            background: rgba(79, 195, 247, 0.10);
            color: var(--color-accent-dark);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 100px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .badge-gold {
            background: var(--color-secondary);
            color: #0d1b2a;
        }
        .badge-blue {
            background: var(--color-accent);
            color: #0d1b2a;
        }

        /* ===== Feature / Showcase ===== */
        .showcase-img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
            transition: transform var(--transition);
        }
        .showcase-img:hover {
            transform: scale(1.01);
        }

        /* ===== List ===== */
        .list-check {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .list-check li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .list-check li .check-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(212, 168, 75, 0.12);
            color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            margin-top: 2px;
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(212, 168, 75, 0.15);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-card .stat-num .stat-suffix {
            font-size: 1.2rem;
            color: var(--color-secondary);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 75, 0.15);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(212, 168, 75, 0.03);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--color-secondary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px 24px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-item.dark-mode {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .faq-item.dark-mode .faq-question {
            color: var(--color-text-on-dark);
        }
        .faq-item.dark-mode .faq-answer-inner {
            color: var(--color-text-muted);
        }
        .faq-item.dark-mode:hover {
            border-color: rgba(212, 168, 75, 0.15);
        }

        /* ===== CMS List ===== */
        .cms-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .cms-item {
            display: flex;
            gap: 18px;
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            padding: 18px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .cms-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(212, 168, 75, 0.15);
        }
        .cms-item .cms-thumb {
            width: 100px;
            height: 76px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-border-light);
        }
        .cms-item .cms-info {
            flex: 1;
            min-width: 0;
        }
        .cms-item .cms-info .cms-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-item .cms-info .cms-title a {
            color: var(--color-text);
        }
        .cms-item .cms-info .cms-title a:hover {
            color: var(--color-secondary);
        }
        .cms-item .cms-info .cms-summary {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .cms-item .cms-info .cms-meta {
            font-size: 0.75rem;
            color: var(--color-text-lighter);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cms-item .cms-info .cms-meta .cms-cat {
            color: var(--color-secondary);
            font-weight: 500;
        }
        .cms-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-light);
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(212, 168, 75, 0.12);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 168, 75, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box>* {
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px auto;
            font-size: 1.05rem;
        }
        .cta-box .btn {
            margin: 0 4px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            color: #0d1b2a;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--color-secondary);
            color: #0d1b2a;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2-1 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-stats {
                gap: 28px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cms-list {
                grid-template-columns: 1fr;
            }
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .header-cta .btn-nav {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
                --space-section-md: 44px;
                --space-section-sm: 32px;
                --header-height: 64px;
            }
            .site-header {
                top: 12px;
                padding: 0 16px;
                height: var(--header-height);
                border-radius: var(--radius-lg);
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: calc(var(--header-height) + 8px);
                left: 12px;
                right: 12px;
                background: rgba(13, 27, 42, 0.98);
                backdrop-filter: blur(18px);
                border-radius: var(--radius-md);
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                border: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
                text-align: center;
            }
            .header-nav a.active {
                background: var(--color-secondary);
                color: #0d1b2a;
            }
            .header-cta .btn-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }

            .hero {
                min-height: 90vh;
                padding-top: calc(var(--header-height) + 48px);
            }
            .hero-title {
                font-size: clamp(2rem, 7vw, 2.6rem);
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 36px;
                padding-top: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-num {
                font-size: 2rem;
            }

            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .cms-item {
                flex-direction: column;
            }
            .cms-item .cms-thumb {
                width: 100%;
                height: 120px;
            }
            .section-subtitle {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 8px;
                padding: 0 12px;
                height: 58px;
                border-radius: var(--radius-md);
            }
            .header-logo {
                font-size: 0.95rem;
            }
            .header-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
                border-radius: 6px;
            }
            .hero {
                min-height: 85vh;
                padding-top: calc(58px + 36px);
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                text-align: center;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 18px 16px 18px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .section {
                padding: 44px 0;
            }
            .container {
                padding: 0 16px;
            }
            .header-nav a {
                font-size: 0.88rem;
                padding: 10px 12px;
            }
        }

        /* ===== Extra Utilities ===== */
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Highlight animation ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-lighter);
        }

        /* ===== Selection ===== */
        ::selection {
            background: rgba(212, 168, 75, 0.25);
            color: #0d1b2a;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b2b4f;
            --primary-light: #1a4a7a;
            --primary-dark: #061a30;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c78a20;
            --bg-body: #f5f7fb;
            --bg-card: #ffffff;
            --bg-dark: #0b1a2e;
            --bg-dark-alt: #11243a;
            --text-dark: #1a1a2e;
            --text-body: #2d3a4a;
            --text-muted: #6b7a8a;
            --text-light: #f0f4fa;
            --border-color: #e0e6ed;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation (悬浮胶囊) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            background: transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
            padding: 6px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 12px;
            font-size: 20px;
            font-weight: 800;
        }

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

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 6px 12px;
            border-radius: 100px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .header-nav a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .header-nav a:hover {
            background: rgba(11, 43, 79, 0.08);
            color: var(--primary);
        }

        .header-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(11, 43, 79, 0.25);
        }

        .header-nav a.active:hover {
            background: var(--primary-light);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(11, 43, 79, 0.06);
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 20px;
                padding: 12px;
                box-shadow: var(--shadow-lg);
                border: 1px solid rgba(255, 255, 255, 0.8);
                gap: 4px;
            }

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

            .header-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 16px;
            }

            .mobile-toggle {
                display: block;
            }

            .header-inner {
                padding: 0 16px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .site-header.scrolled {
                padding: 4px 0;
            }

            .logo {
                font-size: 16px;
                gap: 6px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 10px;
            }

            .header-nav a {
                font-size: 15px;
                padding: 10px 14px;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.85) 0%, rgba(11, 43, 79, 0.7) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .category-hero .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(232, 168, 56, 0.2);
            border: 1px solid rgba(232, 168, 56, 0.3);
            border-radius: 100px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.15;
            letter-spacing: -1px;
        }

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

        .category-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        @media (max-width: 768px) {
            .category-hero {
                padding: 120px 0 60px;
                min-height: 400px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero p {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero p {
                font-size: 15px;
            }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(232, 168, 56, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 56, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(11, 43, 79, 0.25);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(11, 43, 79, 0.3);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 18px 42px;
            font-size: 17px;
        }

        @media (max-width: 520px) {
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 14px 30px;
                font-size: 15px;
            }
        }

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

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

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

        .section-header h2 span {
            color: var(--accent);
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-header .badge-label {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(232, 168, 56, 0.12);
            border-radius: 100px;
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

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

            .section-header p {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .section-header {
                margin-bottom: 32px;
            }
        }

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

        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .card-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .card-item .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .card-item .card-body {
            padding: 24px;
        }

        .card-item .card-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(11, 43, 79, 0.08);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .card-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .card-item p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

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

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

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }

        @media (max-width: 560px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .card-item .card-body {
                padding: 18px;
            }

            .card-item .card-img {
                height: 170px;
            }

            .card-item h3 {
                font-size: 18px;
            }
        }

        /* ===== Features / 卖点区块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .feature-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-item .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(11, 43, 79, 0.06);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            transition: var(--transition);
        }

        .feature-item:hover .feature-icon {
            background: rgba(232, 168, 56, 0.15);
            transform: scale(1.05);
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-item {
                padding: 24px 18px;
            }
        }

        /* ===== Process / 流程步骤 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            box-shadow: 0 6px 20px rgba(11, 43, 79, 0.2);
        }

        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .process-step::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 18px;
            font-size: 24px;
            color: var(--accent);
            font-weight: 700;
        }

        .process-step:last-child::after {
            display: none;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 24px;
            }

            .process-step::after {
                display: none;
            }

            .process-step:nth-child(2)::after {
                display: block;
                right: -18px;
                top: 18px;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .process-step::after {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(11, 43, 79, 0.15);
        }

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

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

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }

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

            .cta-section p {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 24px;
            }

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

        /* ===== Scenarios / 适用场景 ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }

        .scenario-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .scenario-item .scenario-icon {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
        }

        .scenario-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }

        @media (max-width: 520px) {
            .scenarios-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-item {
                padding: 22px 18px;
            }
        }

        /* ===== Stats / 数据模块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-item .stat-num {
                font-size: 32px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item {
                padding: 20px 12px;
            }

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

        /* ===== Dark Section ===== */
        .section-dark {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark-alt);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 32px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            text-decoration: none;
        }

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

        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }

        .site-footer .footer-social a {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            text-decoration: none;
        }

        .site-footer .footer-social a:hover {
            color: var(--accent);
            transform: scale(1.15);
        }

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 560px) {
            .site-footer {
                padding: 40px 0 24px;
            }

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

            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .site-footer .footer-brand p {
                max-width: 100%;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 22px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
        }

        .back-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .back-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 520px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mt-32 {
            margin-top: 32px;
        }

        .mb-16 {
            margin-bottom: 16px;
        }

        .gap-8 {
            gap: 8px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --clr-primary: #0f1a3a;
        --clr-primary-light: #1a2d5a;
        --clr-accent: #d4a030;
        --clr-accent-hover: #e8b840;
        --clr-accent-dark: #b8891e;
        --clr-secondary: #1e4d7a;
        --clr-bg: #f4f6fb;
        --clr-surface: #ffffff;
        --clr-text: #1a1a2e;
        --clr-text-light: #6b7280;
        --clr-text-lighter: #9ca3af;
        --clr-border: #e5e7eb;
        --clr-border-light: #f0f1f5;
        --clr-success: #10b981;
        --clr-warning: #f59e0b;
        --clr-error: #ef4444;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
        --shadow-lg: 0 10px 40px rgba(0,0,0,0.10);
        --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --max-width: 1200px;
        --nav-height: 72px;
    }

    /* ===== 基础 Reset ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--clr-text);
        background: var(--clr-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--clr-accent);
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        background: none;
    }
    ul,
    ol {
        list-style: none;
    }
    h1, h2, h3, h4, h5, h6 {
        line-height: 1.25;
        font-weight: 700;
        color: var(--clr-primary);
    }
    h1 { font-size: 2.6rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.2rem; }

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

    /* ===== 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        padding: 12px 0;
        background: rgba(15, 26, 58, 0.88);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(255,255,255,0.06);
        transition: background var(--transition), box-shadow var(--transition);
    }
    .site-header.scrolled {
        background: rgba(15, 26, 58, 0.96);
        box-shadow: 0 4px 30px rgba(0,0,0,0.25);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .header-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.4rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.5px;
    }
    .header-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--clr-accent);
        color: var(--clr-primary);
        border-radius: 10px;
        font-weight: 900;
        font-size: 1.3rem;
        box-shadow: 0 4px 12px rgba(212, 160, 48, 0.35);
    }
    .header-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(255,255,255,0.07);
        padding: 6px 8px;
        border-radius: 48px;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border: 1px solid rgba(255,255,255,0.08);
    }
    .header-nav a {
        padding: 8px 20px;
        border-radius: 40px;
        font-size: 0.9rem;
        font-weight: 500;
        color: rgba(255,255,255,0.7);
        transition: all var(--transition);
        letter-spacing: 0.3px;
        white-space: nowrap;
    }
    .header-nav a:hover {
        color: #fff;
        background: rgba(255,255,255,0.10);
    }
    .header-nav a.active {
        color: var(--clr-primary);
        background: var(--clr-accent);
        font-weight: 600;
        box-shadow: 0 4px 14px rgba(212, 160, 48, 0.30);
    }
    .header-nav a.active:hover {
        background: var(--clr-accent-hover);
        color: var(--clr-primary);
    }
    .nav-toggle {
        display: none;
        background: rgba(255,255,255,0.08);
        border: 1px solid rgba(255,255,255,0.12);
        color: #fff;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 1.3rem;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: background var(--transition);
    }
    .nav-toggle:hover {
        background: rgba(255,255,255,0.15);
    }

    /* ===== 文章 Hero ===== */
    .article-hero {
        position: relative;
        padding: 140px 0 80px;
        background: var(--clr-primary);
        background-image: linear-gradient(135deg, rgba(15,26,58,0.92) 0%, rgba(30,77,122,0.85) 100%), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        color: #fff;
        overflow: hidden;
    }
    .article-hero::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 80px;
        background: linear-gradient(to top, var(--clr-bg), transparent);
    }
    .article-hero .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .article-hero .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(212, 160, 48, 0.18);
        color: var(--clr-accent);
        padding: 6px 16px;
        border-radius: 40px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        border: 1px solid rgba(212, 160, 48, 0.20);
        margin-bottom: 20px;
        backdrop-filter: blur(4px);
    }
    .article-hero h1 {
        font-size: 2.8rem;
        max-width: 900px;
        margin: 0 auto 20px;
        color: #fff;
        line-height: 1.2;
        text-shadow: 0 2px 20px rgba(0,0,0,0.25);
    }
    .article-hero .hero-meta {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 24px;
        flex-wrap: wrap;
        color: rgba(255,255,255,0.7);
        font-size: 0.9rem;
    }
    .article-hero .hero-meta span {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .article-hero .hero-meta i {
        color: var(--clr-accent);
        font-size: 0.85rem;
    }

    /* ===== 文章正文 ===== */
    .article-main {
        padding: 60px 0 40px;
        background: var(--clr-bg);
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 280px;
        gap: 40px;
        align-items: start;
    }
    .article-body {
        background: var(--clr-surface);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 48px 52px;
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--clr-text);
    }
    .article-body h2 {
        margin-top: 2.2em;
        margin-bottom: 0.7em;
        padding-bottom: 0.3em;
        border-bottom: 2px solid var(--clr-border-light);
        font-size: 1.7rem;
    }
    .article-body h3 {
        margin-top: 1.8em;
        margin-bottom: 0.5em;
        font-size: 1.3rem;
    }
    .article-body p {
        margin-bottom: 1.2em;
        color: #2d2d3e;
    }
    .article-body ul,
    .article-body ol {
        margin-bottom: 1.2em;
        padding-left: 1.5em;
    }
    .article-body ul li {
        list-style: disc;
        margin-bottom: 0.4em;
    }
    .article-body ol li {
        list-style: decimal;
        margin-bottom: 0.4em;
    }
    .article-body a {
        color: var(--clr-secondary);
        text-decoration: underline;
        text-underline-offset: 2px;
    }
    .article-body a:hover {
        color: var(--clr-accent);
    }
    .article-body blockquote {
        margin: 1.5em 0;
        padding: 16px 24px;
        border-left: 4px solid var(--clr-accent);
        background: rgba(212, 160, 48, 0.06);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        font-style: italic;
        color: var(--clr-text-light);
    }
    .article-body pre {
        margin: 1.5em 0;
        padding: 20px 24px;
        background: var(--clr-primary);
        color: #e5e7eb;
        border-radius: var(--radius-md);
        font-family: var(--font-mono);
        font-size: 0.9rem;
        overflow-x: auto;
        line-height: 1.6;
    }
    .article-body code {
        font-family: var(--font-mono);
        font-size: 0.9em;
        background: rgba(15, 26, 58, 0.06);
        padding: 2px 8px;
        border-radius: 4px;
    }
    .article-body pre code {
        background: none;
        padding: 0;
        border-radius: 0;
    }
    .article-body img {
        margin: 1.5em auto;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }
    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5em 0;
        font-size: 0.95rem;
    }
    .article-body th,
    .article-body td {
        padding: 12px 16px;
        border: 1px solid var(--clr-border);
        text-align: left;
    }
    .article-body th {
        background: var(--clr-primary);
        color: #fff;
        font-weight: 600;
    }
    .article-body tr:nth-child(even) {
        background: rgba(15, 26, 58, 0.03);
    }
    .article-body .aligncenter {
        display: block;
        margin-left: auto;
        margin-right: auto;
    }
    .article-body .wp-caption-text {
        text-align: center;
        font-size: 0.85rem;
        color: var(--clr-text-lighter);
        margin-top: -0.8em;
        margin-bottom: 1.5em;
    }

    /* 未找到文章 */
    .article-not-found {
        text-align: center;
        padding: 80px 20px;
    }
    .article-not-found .not-found-icon {
        font-size: 4rem;
        color: var(--clr-text-lighter);
        margin-bottom: 20px;
    }
    .article-not-found h2 {
        font-size: 1.8rem;
        margin-bottom: 12px;
        color: var(--clr-primary);
    }
    .article-not-found p {
        color: var(--clr-text-light);
        margin-bottom: 24px;
        font-size: 1.1rem;
    }
    .article-not-found .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--clr-accent);
        color: var(--clr-primary);
        padding: 12px 32px;
        border-radius: 40px;
        font-weight: 600;
        font-size: 1rem;
        transition: all var(--transition);
    }
    .article-not-found .btn-back:hover {
        background: var(--clr-accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(212, 160, 48, 0.30);
        color: var(--clr-primary);
    }

    /* ===== 侧边栏 ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .sidebar-card {
        background: var(--clr-surface);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 24px;
        border: 1px solid var(--clr-border-light);
    }
    .sidebar-card h3 {
        font-size: 1.1rem;
        margin-bottom: 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--clr-border-light);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sidebar-card h3 i {
        color: var(--clr-accent);
    }
    .sidebar-card ul li {
        margin-bottom: 10px;
    }
    .sidebar-card ul li a {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--clr-text-light);
        padding: 6px 0;
        transition: all var(--transition);
    }
    .sidebar-card ul li a:hover {
        color: var(--clr-accent);
        padding-left: 6px;
    }
    .sidebar-card ul li a i {
        width: 20px;
        color: var(--clr-accent);
        font-size: 0.8rem;
    }
    .sidebar-cta {
        background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
        color: #fff;
        border: none;
    }
    .sidebar-cta h3 {
        color: #fff;
        border-bottom-color: rgba(255,255,255,0.15);
    }
    .sidebar-cta h3 i {
        color: var(--clr-accent);
    }
    .sidebar-cta p {
        font-size: 0.9rem;
        color: rgba(255,255,255,0.75);
        margin-bottom: 16px;
        line-height: 1.6;
    }
    .sidebar-cta .btn-sidebar {
        display: inline-block;
        background: var(--clr-accent);
        color: var(--clr-primary);
        padding: 10px 24px;
        border-radius: 40px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all var(--transition);
    }
    .sidebar-cta .btn-sidebar:hover {
        background: var(--clr-accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(212, 160, 48, 0.30);
        color: var(--clr-primary);
    }

    /* ===== 文章底部 ===== */
    .article-footer-bar {
        background: var(--clr-surface);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        padding: 32px 40px;
        margin-top: 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 20px;
        border: 1px solid var(--clr-border-light);
    }
    .article-tags {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .article-tags .tag-label {
        font-size: 0.85rem;
        color: var(--clr-text-light);
        font-weight: 500;
    }
    .article-tags .tag {
        display: inline-block;
        background: rgba(212, 160, 48, 0.08);
        color: var(--clr-accent-dark);
        padding: 4px 14px;
        border-radius: 40px;
        font-size: 0.8rem;
        font-weight: 500;
        border: 1px solid rgba(212, 160, 48, 0.15);
        transition: all var(--transition);
    }
    .article-tags .tag:hover {
        background: var(--clr-accent);
        color: var(--clr-primary);
        border-color: var(--clr-accent);
    }
    .article-share {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .article-share .share-label {
        font-size: 0.85rem;
        color: var(--clr-text-light);
        font-weight: 500;
    }
    .article-share .share-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: var(--clr-bg);
        color: var(--clr-text-light);
        transition: all var(--transition);
        font-size: 1rem;
    }
    .article-share .share-btn:hover {
        background: var(--clr-accent);
        color: var(--clr-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(212, 160, 48, 0.25);
    }

    /* ===== 推荐探索 ===== */
    .explore-section {
        padding: 60px 0;
        background: var(--clr-bg);
    }
    .explore-section .section-title {
        text-align: center;
        margin-bottom: 40px;
    }
    .explore-section .section-title h2 {
        font-size: 1.8rem;
        color: var(--clr-primary);
        margin-bottom: 8px;
    }
    .explore-section .section-title p {
        color: var(--clr-text-light);
        font-size: 1rem;
    }
    .explore-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .explore-card {
        background: var(--clr-surface);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--clr-border-light);
        transition: all var(--transition);
    }
    .explore-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(212, 160, 48, 0.20);
    }
    .explore-card .card-img {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }
    .explore-card .card-body {
        padding: 20px 24px 24px;
    }
    .explore-card .card-body h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
        color: var(--clr-primary);
    }
    .explore-card .card-body p {
        font-size: 0.9rem;
        color: var(--clr-text-light);
        line-height: 1.6;
        margin-bottom: 14px;
    }
    .explore-card .card-body .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--clr-accent-dark);
        transition: all var(--transition);
    }
    .explore-card .card-body .card-link:hover {
        gap: 10px;
        color: var(--clr-accent);
    }
    .explore-card .card-body .card-link i {
        font-size: 0.8rem;
    }

    /* ===== CTA ===== */
    .cta-section {
        padding: 80px 0;
        background: var(--clr-primary);
        background-image: linear-gradient(135deg, rgba(15,26,58,0.92) 0%, rgba(30,77,122,0.88) 100%), url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        color: #fff;
        text-align: center;
        position: relative;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
    }
    .cta-section h2 {
        font-size: 2rem;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section p {
        font-size: 1.1rem;
        color: rgba(255,255,255,0.75);
        max-width: 600px;
        margin: 0 auto 32px;
        line-height: 1.7;
    }
    .cta-section .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--clr-accent);
        color: var(--clr-primary);
        padding: 16px 40px;
        border-radius: 50px;
        font-size: 1.05rem;
        font-weight: 700;
        transition: all var(--transition);
        box-shadow: 0 8px 30px rgba(212, 160, 48, 0.30);
    }
    .cta-section .btn-cta:hover {
        background: var(--clr-accent-hover);
        transform: translateY(-3px);
        box-shadow: 0 12px 40px rgba(212, 160, 48, 0.40);
        color: var(--clr-primary);
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--clr-primary);
        color: rgba(255,255,255,0.8);
        padding: 60px 0 0;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.3rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-brand .footer-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--clr-accent);
        color: var(--clr-primary);
        border-radius: 10px;
        font-weight: 900;
        font-size: 1.1rem;
    }
    .footer-brand p {
        font-size: 0.9rem;
        line-height: 1.7;
        color: rgba(255,255,255,0.6);
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 1rem;
        color: #fff;
        margin-bottom: 16px;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        font-size: 0.9rem;
        color: rgba(255,255,255,0.55);
        transition: all var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .footer-col ul li a:hover {
        color: var(--clr-accent);
        padding-left: 4px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 24px 0;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.4);
    }
    .footer-social {
        display: flex;
        gap: 12px;
    }
    .footer-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        color: rgba(255,255,255,0.5);
        font-size: 1.1rem;
        transition: all var(--transition);
    }
    .footer-social a:hover {
        background: var(--clr-accent);
        color: var(--clr-primary);
        transform: translateY(-2px);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .explore-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .article-hero h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 768px) {
        .nav-toggle {
            display: flex;
        }
        .header-nav {
            display: none;
            position: absolute;
            top: calc(var(--nav-height) + 4px);
            left: 16px;
            right: 16px;
            background: rgba(15, 26, 58, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-lg);
            padding: 16px;
            flex-direction: column;
            gap: 6px;
            border: 1px solid rgba(255,255,255,0.08);
            box-shadow: var(--shadow-xl);
        }
        .header-nav.open {
            display: flex;
        }
        .header-nav a {
            padding: 12px 16px;
            width: 100%;
            text-align: center;
            font-size: 1rem;
        }
        .article-hero {
            padding: 120px 0 60px;
        }
        .article-hero h1 {
            font-size: 1.7rem;
        }
        .article-hero .hero-meta {
            gap: 14px;
            font-size: 0.8rem;
        }
        .article-body {
            padding: 24px 20px;
            font-size: 0.98rem;
        }
        .article-body h2 {
            font-size: 1.4rem;
        }
        .article-body h3 {
            font-size: 1.15rem;
        }
        .article-footer-bar {
            flex-direction: column;
            align-items: flex-start;
            padding: 24px 20px;
        }
        .article-sidebar {
            grid-template-columns: 1fr;
        }
        .explore-grid {
            grid-template-columns: 1fr;
        }
        .cta-section h2 {
            font-size: 1.5rem;
        }
        .cta-section p {
            font-size: 0.95rem;
        }
        .cta-section .btn-cta {
            padding: 14px 28px;
            font-size: 0.95rem;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        h1 { font-size: 2rem; }
        h2 { font-size: 1.6rem; }
        h3 { font-size: 1.25rem; }
    }

    @media (max-width: 520px) {
        .article-hero h1 {
            font-size: 1.4rem;
        }
        .article-body {
            padding: 20px 16px;
            font-size: 0.93rem;
        }
        .article-body h2 {
            font-size: 1.25rem;
        }
        .article-body table {
            font-size: 0.8rem;
        }
        .article-body th,
        .article-body td {
            padding: 8px 10px;
        }
        .explore-card .card-img {
            height: 140px;
        }
        .cta-section {
            padding: 60px 0;
        }
        .cta-section h2 {
            font-size: 1.3rem;
        }
    }