/* roulang page: index */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&family=Noto+Serif+SC:wght@400;600;700&display=swap');

        :root {
            --brand-600: #2a5676;
            --brand-700: #1f4460;
            --brand-800: #1a3850;
            --accent-500: #ee7a15;
            --accent-600: #df610b;
            --neutral-50: #f8f9fb;
            --neutral-100: #f0f2f5;
            --neutral-700: #374151;
            --neutral-800: #1f2937;
            --neutral-900: #111827;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 24px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 40px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.03);
            --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--neutral-800);
            background-color: #ffffff;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-main {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-main {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-main {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 6px 24px rgba(0, 0, 0, 0.05);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 1.25rem;
        }

        @media (min-width: 1024px) {
            .nav-inner {
                height: 68px;
                gap: 2rem;
            }
        }

        .nav-logo {
            flex-shrink: 0;
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand-700);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color var(--transition-base);
        }

        .nav-logo:hover {
            color: var(--accent-500);
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, #2a5676 0%, #1a3850 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links li a {
            display: block;
            padding: 0.5rem 0.9rem;
            border-radius: 0.5rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--neutral-700);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--brand-600);
            background: var(--neutral-100);
        }
        .nav-links li a.active-nav {
            color: var(--brand-600);
            background: #e8f0f7;
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-nav-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.2rem;
            border-radius: 0.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--accent-500);
            color: #fff;
            border: none;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--shadow-btn, 0 2px 8px rgba(238, 122, 21, 0.18));
        }

        .btn-nav-accent:hover {
            background: var(--accent-600);
            box-shadow: 0 4px 16px rgba(223, 97, 11, 0.28);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 0.5rem;
            border: 1px solid #e2e6ea;
            background: #fff;
            color: var(--neutral-700);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .mobile-menu-btn:hover {
            background: var(--neutral-100);
            border-color: #cdd3db;
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        .mobile-menu-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            padding: 1rem 1.25rem;
            flex-direction: column;
            gap: 0.25rem;
        }

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

        @media (min-width: 1024px) {
            .mobile-menu-panel {
                display: none !important;
            }
        }

        .mobile-menu-panel a {
            display: block;
            padding: 0.7rem 0.9rem;
            border-radius: 0.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--neutral-700);
            transition: all var(--transition-base);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active-nav {
            color: var(--brand-600);
            background: #e8f0f7;
            font-weight: 600;
        }

        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0c1e2e 0%, #142f44 30%, #1a3850 60%, #1f4460 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #ffffff;
            padding: 4rem 0 4rem;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 30, 46, 0.82) 0%, rgba(20, 47, 68, 0.7) 50%, rgba(26, 56, 80, 0.78) 100%);
            z-index: 0;
        }

        @media (min-width: 768px) {
            .hero-section {
                padding: 5rem 0 5rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-section {
                padding: 6.5rem 0 6rem;
            }
        }

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

        .hero-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: #fad7a5;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }

        .hero-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 1.25rem;
            letter-spacing: 0.01em;
            color: #ffffff;
        }

        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.25rem;
            }
        }

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 auto 2rem;
            max-width: 560px;
        }

        @media (min-width: 1024px) {
            .hero-desc {
                font-size: 1.15rem;
            }
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 0.6rem;
            font-size: 1rem;
            font-weight: 600;
            background: var(--accent-500);
            color: #fff;
            border: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(238, 122, 21, 0.3);
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            background: var(--accent-600);
            box-shadow: 0 6px 24px rgba(223, 97, 11, 0.4);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 0.6rem;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        .section-padding {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-padding {
                padding: 6rem 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }

        .section-label {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            background: #e8f0f7;
            color: var(--brand-600);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--neutral-900);
            margin: 0 0 0.75rem;
            letter-spacing: 0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.35rem;
            }
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--neutral-500);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            border: 1px solid #e2e6ea;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            height: 100%;
        }

        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #cdd3db;
            transform: translateY(-3px);
        }

        .info-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: #e8f0f7;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-600);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .info-card h4 {
            margin: 0;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--neutral-900);
        }
        .info-card p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--neutral-500);
            line-height: 1.65;
            flex-grow: 1;
        }

        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            border-radius: var(--radius-xl);
            background: #fff;
            border: 1px solid #e2e6ea;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .category-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #cdd3db;
            transform: translateY(-2px);
        }
        .category-entry-thumb {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .category-entry-info h4 {
            margin: 0 0 0.25rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--neutral-900);
        }
        .category-entry-info p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--neutral-500);
            line-height: 1.5;
        }

        .post-list-item {
            display: flex;
            gap: 1rem;
            padding: 1.1rem 0;
            border-bottom: 1px solid #e2e6ea;
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .post-list-item:last-child {
            border-bottom: none;
        }
        .post-list-item:hover {
            padding-left: 0.5rem;
            background: #f8f9fb;
            border-radius: 0.5rem;
            margin: 0 -0.5rem;
            padding-left: 1rem;
            padding-right: 0.5rem;
        }
        .post-list-thumb {
            width: 80px;
            height: 60px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: #e2e6ea;
        }
        @media (min-width: 640px) {
            .post-list-thumb {
                width: 120px;
                height: 80px;
                border-radius: 10px;
            }
        }
        .post-list-body {
            flex: 1;
            min-width: 0;
        }
        .post-list-body h4 {
            margin: 0 0 0.35rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--neutral-900);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (min-width: 640px) {
            .post-list-body h4 {
                font-size: 1.05rem;
            }
        }
        .post-list-meta {
            font-size: 0.78rem;
            color: var(--neutral-400);
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .post-list-excerpt {
            font-size: 0.82rem;
            color: var(--neutral-500);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-top: 0.3rem;
        }

        .tag-badge {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            background: #e8f0f7;
            color: var(--brand-600);
            white-space: nowrap;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
            text-align: center;
        }
        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }
        .stat-item .stat-number {
            font-family: 'Noto Serif SC', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-600);
        }
        @media (min-width: 768px) {
            .stat-item .stat-number {
                font-size: 2.8rem;
            }
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--neutral-500);
            margin-top: 0.25rem;
        }

        .bg-soft {
            background: #f8f9fb;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #e2e6ea;
            padding: 1.25rem 1.5rem;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: #cdd3db;
            box-shadow: var(--shadow-card);
        }
        .faq-q {
            font-weight: 600;
            color: var(--neutral-900);
            font-size: 0.98rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin: 0;
        }
        .faq-q i {
            color: var(--accent-500);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-a {
            margin: 0.6rem 0 0 1.6rem;
            font-size: 0.88rem;
            color: var(--neutral-500);
            line-height: 1.65;
        }

        .cta-block {
            background: linear-gradient(135deg, #1a3850 0%, #2a5676 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .cta-block {
                padding: 4rem 2rem;
            }
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 1rem;
        }
        @media (min-width: 768px) {
            .cta-block h3 {
                font-size: 2rem;
            }
        }
        .cta-block p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 1.75rem;
        }

        .site-footer {
            background: #0c1e2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem;
            font-size: 0.88rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2.5rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-base);
            font-size: 0.85rem;
        }
        .footer-links li a:hover {
            color: #fad7a5;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        ::selection {
            background: rgba(42, 86, 118, 0.2);
            color: var(--brand-800);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-600);
            outline-offset: 2px;
            border-radius: 4px;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
        }

        .empty-state {
            text-align: center;
            padding: 2.5rem 1rem;
            color: var(--neutral-400);
            font-size: 0.95rem;
        }

/* roulang page: article */
:root {
            --primary: #1a3c5e;
            --primary-light: #234b75;
            --primary-dark: #0f2a45;
            --primary-pale: #e8f0f8;
            --accent: #c8944a;
            --accent-light: #d4a860;
            --accent-dark: #a67a35;
            --accent-pale: #fdf6ec;
            --surface: #ffffff;
            --surface-muted: #f7f9fb;
            --surface-card: #fdfdfd;
            --ink: #1b1f23;
            --ink-muted: #5a6270;
            --ink-light: #8b929e;
            --border: #e2e6ea;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --radius-tag: 0.375rem;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 8px 28px rgba(0,0,0,0.09), 0 2px 8px rgba(0,0,0,0.05);
            --shadow-nav: 0 1px 0 rgba(0,0,0,0.06), 0 2px 12px rgba(0,0,0,0.04);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
        }

        *, *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif; line-height: 1.7; color: var(--ink); background: var(--surface-muted); min-height: 100vh; }
        a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; border: none; background: none; font-family: inherit; }
        input, textarea { font-family: inherit; }

        /* 导航 */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-nav); }
        .header-inner { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 60px; }
        .logo-link { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.15rem; color: var(--primary); letter-spacing: 0.02em; white-space: nowrap; transition: color var(--transition-fast); }
        .logo-link:hover { color: var(--primary-light); }
        .logo-icon { width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }
        .nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
        .nav-links a { display: inline-flex; align-items: center; padding: 0.5rem 1rem; border-radius: var(--radius-btn); font-size: 0.9rem; font-weight: 500; color: var(--ink-muted); transition: all var(--transition-fast); white-space: nowrap; }
        .nav-links a:hover { color: var(--primary); background: var(--primary-pale); }
        .nav-links a.active-nav { color: var(--primary); background: var(--primary-pale); font-weight: 600; }
        .hamburger-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-btn); color: var(--ink); font-size: 1.3rem; transition: background var(--transition-fast); }
        .hamburger-btn:hover { background: var(--surface-muted); }
        .mobile-menu { display: none; position: fixed; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 8px 32px rgba(0,0,0,0.1); z-index: 99; padding: 1rem 1.5rem; flex-direction: column; gap: 0.35rem; }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { display: block; padding: 0.7rem 1rem; border-radius: var(--radius-btn); font-size: 0.95rem; font-weight: 500; color: var(--ink-muted); transition: all var(--transition-fast); }
        .mobile-menu a:hover { color: var(--primary); background: var(--primary-pale); }
        .mobile-menu a.active-nav { color: var(--primary); background: var(--primary-pale); font-weight: 600; }

        /* 容器 */
        .container-main { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
        .container-article { max-width: 820px; margin: 0 auto; padding: 0 1.5rem; }
        .container-narrow { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

        /* 板块 */
        .section-pad { padding: 3.5rem 0; }
        .section-pad-sm { padding: 2.5rem 0; }
        .section-title { font-size: 1.6rem; font-weight: 700; color: var(--ink); margin-bottom: 0.4rem; letter-spacing: 0.01em; }
        .section-subtitle { font-size: 0.95rem; color: var(--ink-muted); margin-bottom: 2rem; line-height: 1.6; }

        /* 面包屑 */
        .breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--border); padding: 0.7rem 0; }
        .breadcrumb-inner { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; gap: 0.4rem; font-size: 0.84rem; color: var(--ink-light); flex-wrap: wrap; }
        .breadcrumb-inner a { color: var(--ink-muted); transition: color var(--transition-fast); }
        .breadcrumb-inner a:hover { color: var(--primary); }
        .breadcrumb-sep { color: var(--ink-light); user-select: none; }
        .breadcrumb-current { color: var(--ink); font-weight: 500; }

        /* 文章头部 */
        .article-header-block { background: #fff; padding: 2.5rem 0 2rem; }
        .article-meta-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
        .article-cat-tag { display: inline-flex; align-items: center; padding: 0.3rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 500; background: var(--accent-pale); color: var(--accent-dark); transition: all var(--transition-fast); }
        .article-cat-tag:hover { background: var(--accent); color: #fff; }
        .article-date { font-size: 0.84rem; color: var(--ink-light); }
        .article-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--ink-light); flex-shrink: 0; }
        .article-h1 { font-size: 2rem; font-weight: 700; color: var(--ink); line-height: 1.35; letter-spacing: 0.01em; margin-bottom: 0.6rem; }
        .article-excerpt { font-size: 1.05rem; color: var(--ink-muted); line-height: 1.7; }

        /* 封面图 */
        .article-cover-wrap { margin: 0 auto; max-width: 1280px; padding: 0 1.5rem 1.5rem; }
        .article-cover-wrap img { width: 100%; border-radius: var(--radius-card); box-shadow: var(--shadow-card); aspect-ratio: 16/7; object-fit: cover; }

        /* 文章正文 */
        .article-body-section { background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 2.5rem 2rem; margin: 0 auto; }
        .article-body-section .content-html { font-size: 1.05rem; line-height: 1.9; color: var(--ink); }
        .article-body-section .content-html h2 { font-size: 1.4rem; font-weight: 700; margin: 2rem 0 0.8rem; color: var(--primary); }
        .article-body-section .content-html h3 { font-size: 1.18rem; font-weight: 600; margin: 1.6rem 0 0.6rem; color: var(--ink); }
        .article-body-section .content-html p { margin-bottom: 1.1rem; }
        .article-body-section .content-html ul, .article-body-section .content-html ol { margin: 0.8rem 0 1.2rem 1.5rem; }
        .article-body-section .content-html li { margin-bottom: 0.4rem; }
        .article-body-section .content-html img { border-radius: 0.5rem; margin: 1.5rem 0; box-shadow: var(--shadow-card); }
        .article-body-section .content-html blockquote { border-left: 3px solid var(--accent); padding: 0.8rem 1.2rem; margin: 1.5rem 0; background: var(--accent-pale); border-radius: 0 var(--radius-btn) var(--radius-btn) 0; color: var(--ink-muted); font-style: italic; }
        .article-body-section .content-html a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body-section .content-html a:hover { color: var(--primary-light); }

        /* 文章底部元信息 */
        .article-footer-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 1.5rem; margin-top: 2rem; border-top: 1px solid var(--border); font-size: 0.84rem; color: var(--ink-light); }

        /* 未找到 */
        .not-found-block { text-align: center; padding: 4rem 1.5rem; }
        .not-found-icon { font-size: 4rem; margin-bottom: 1rem; opacity: 0.5; }
        .not-found-block h2 { font-size: 1.5rem; font-weight: 700; color: var(--ink); margin-bottom: 0.6rem; }
        .not-found-block p { color: var(--ink-muted); margin-bottom: 1.5rem; line-height: 1.7; }
        .btn-back { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.7rem 1.5rem; border-radius: var(--radius-btn); font-weight: 600; font-size: 0.9rem; background: var(--primary); color: #fff; transition: all var(--transition-fast); box-shadow: var(--shadow-btn, 0 2px 6px rgba(26,60,94,0.18)); }
        .btn-back:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,60,94,0.25); }

        /* 推荐阅读 */
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
        .related-card { background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden; transition: all var(--transition-smooth); display: flex; flex-direction: column; }
        .related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
        .related-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .related-card-body { padding: 1rem 1.15rem 1.15rem; flex: 1; display: flex; flex-direction: column; }
        .related-card-tag { font-size: 0.75rem; color: var(--accent-dark); font-weight: 500; margin-bottom: 0.35rem; }
        .related-card-title { font-size: 0.95rem; font-weight: 600; color: var(--ink); line-height: 1.45; margin-bottom: 0.5rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card-date { font-size: 0.78rem; color: var(--ink-light); margin-top: auto; }

        /* CTA板块 */
        .cta-block { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; text-align: center; border-radius: var(--radius-card); padding: 2.5rem 2rem; }
        .cta-block h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.5rem; }
        .cta-block p { font-size: 0.95rem; opacity: 0.85; margin-bottom: 1.5rem; line-height: 1.7; }
        .btn-cta-light { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.7rem 1.8rem; border-radius: var(--radius-btn); font-weight: 600; font-size: 0.9rem; background: #fff; color: var(--primary); transition: all var(--transition-fast); }
        .btn-cta-light:hover { background: var(--accent-pale); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

        /* 页脚 */
        .site-footer { background: #111827; color: #e5e7eb; padding: 3rem 0 1.5rem; margin-top: 3rem; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
        .footer-brand { font-weight: 700; font-size: 1.1rem; color: #fff; margin-bottom: 0.6rem; }
        .footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
        .footer-links a { color: rgba(255,255,255,0.6); font-size: 0.85rem; transition: color var(--transition-fast); }
        .footer-links a:hover { color: #fff; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; color: rgba(255,255,255,0.4); }

        /* 响应式 */
        @media (max-width: 1024px) {
            .article-h1 { font-size: 1.65rem; }
            .article-body-section { padding: 2rem 1.5rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .hamburger-btn { display: flex; }
            .header-inner { height: 54px; }
            .section-pad { padding: 2.5rem 0; }
            .article-h1 { font-size: 1.4rem; }
            .article-body-section { padding: 1.5rem 1rem; border-radius: 0.5rem; }
            .article-body-section .content-html { font-size: 0.98rem; }
            .article-cover-wrap img { aspect-ratio: 16/9; border-radius: 0.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-header-block { padding: 1.8rem 0 1.2rem; }
            .breadcrumb-bar { font-size: 0.78rem; }
        }
        @media (max-width: 520px) {
            .container-main, .container-article, .container-narrow { padding: 0 1rem; }
            .article-h1 { font-size: 1.25rem; }
            .article-body-section { padding: 1.2rem 0.9rem; }
            .article-body-section .content-html { font-size: 0.93rem; line-height: 1.8; }
            .article-meta-row { gap: 0.5rem; }
            .cta-block { padding: 1.8rem 1.2rem; }
            .section-title { font-size: 1.3rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-cover-wrap { padding: 0 1rem 1rem; }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #2d2d44;
            --color-accent: #c8a45c;
            --color-accent-dark: #a8893f;
            --color-accent-light: #e0c98a;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f7f4;
            --color-muted: #6b7280;
            --color-text-main: #1f2937;
            --color-text-soft: #4b5563;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --radius-tag: 2rem;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 2px 6px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.07);
            --shadow-nav: 0 1px 0 rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.03);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: var(--color-surface-alt);
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            transition: all var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            align-items: center;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(26,26,46,0.04);
        }

        .nav-links li a.active-nav {
            color: var(--color-accent-dark);
            background: rgba(200,164,92,0.08);
            font-weight: 600;
        }

        .nav-links li a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .search-toggle-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .search-toggle-btn:hover {
            background: var(--color-surface-alt);
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .search-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            width: 340px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0,0,0,0.12);
            padding: 1rem;
            display: none;
            z-index: 1001;
        }

        .search-dropdown.active {
            display: block;
            animation: fadeSlideIn 0.22s ease;
        }

        @keyframes fadeSlideIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .search-input-wrap {
            display: flex;
            gap: 0.5rem;
        }

        .search-input-wrap input {
            flex: 1;
            padding: 0.6rem 0.9rem;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .search-input-wrap input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200,164,92,0.1);
        }

        .search-input-wrap button {
            padding: 0.6rem 1.1rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .search-input-wrap button:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-btn-hover, 0 4px 16px rgba(200,164,92,0.35));
        }

        .hot-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.7rem;
        }

        .hot-tags-row a {
            font-size: 0.75rem;
            padding: 0.25rem 0.7rem;
            background: var(--color-surface-alt);
            border-radius: var(--radius-tag);
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .hot-tags-row a:hover {
            color: var(--color-accent-dark);
            background: rgba(200,164,92,0.08);
            border-color: rgba(200,164,92,0.2);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text-main);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: var(--color-surface-alt);
        }

        /* 面包屑 */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-row a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-row .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        .breadcrumb-row .current {
            color: var(--color-text-main);
            font-weight: 500;
        }

        /* 分类Banner */
        .category-banner {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.82) 0%, rgba(26,26,46,0.45) 100%);
            z-index: 1;
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            padding: 2.5rem 2rem;
            color: #fff;
        }

        .category-banner-content .category-label {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-tag);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
        }

        .category-banner-content h1 {
            font-family: 'Noto Serif SC', serif;
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            letter-spacing: 0.03em;
        }

        .category-banner-content .subtitle {
            font-size: 0.95rem;
            opacity: 0.85;
            margin: 0;
            max-width: 520px;
        }

        /* 文章卡片 */
        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .article-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef1f5;
        }

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

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

        .article-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
            z-index: 3;
        }

        .article-card-body {
            padding: 1.1rem 1.2rem 1.3rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card-meta {
            font-size: 0.75rem;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 0.7rem;
            margin-bottom: 0.5rem;
        }

        .article-card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-main);
            line-height: 1.5;
            margin: 0 0 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card-title {
            color: var(--color-accent-dark);
        }

        .article-card-excerpt {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 0.8rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .article-card-tags span {
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            background: var(--color-surface-alt);
            border-radius: var(--radius-tag);
            color: var(--color-muted);
            border: 1px solid var(--color-border-light);
        }

        /* 置顶大卡片 */
        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1fr 1fr;
            transition: all var(--transition-smooth);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .featured-card-image {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #eef1f5;
        }

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

        .featured-card:hover .featured-card-image img {
            transform: scale(1.03);
        }

        .featured-card-body {
            padding: 1.8rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card-body .badge-row {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 0.7rem;
        }

        .featured-card-body .badge-row span {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-tag);
        }

        .badge-featured {
            background: var(--color-accent);
            color: #fff;
        }

        .badge-new {
            background: #fef2f2;
            color: #dc2626;
            border: 1px solid #fecaca;
        }

        .featured-card-body h2 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
            line-height: 1.45;
            color: var(--color-text-main);
        }

        .featured-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0 0 1rem;
            line-height: 1.65;
        }

        .featured-card-body .meta-info {
            font-size: 0.78rem;
            color: var(--color-muted);
            display: flex;
            gap: 0.8rem;
            align-items: center;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            transition: all var(--transition-fast);
        }

        .read-more-link:hover {
            gap: 0.55rem;
            color: var(--color-accent-dark);
        }

        .read-more-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .read-more-link:hover i {
            transform: translateX(3px);
        }

        /* 分页 */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.35rem;
            flex-wrap: wrap;
        }

        .pagination-wrap a,
        .pagination-wrap span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 0.5rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .pagination-wrap a {
            color: var(--color-text-soft);
            background: var(--color-surface);
            border-color: var(--color-border);
        }

        .pagination-wrap a:hover {
            background: var(--color-surface-alt);
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .pagination-wrap .page-current {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
            cursor: default;
        }

        .pagination-wrap .page-dots {
            color: var(--color-muted);
            cursor: default;
            border: none;
            background: transparent;
        }

        /* 侧边栏 */
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 1.3rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin: 0 0 1rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--color-accent-light);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .sidebar-card h4::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag-cloud a {
            font-size: 0.78rem;
            padding: 0.35rem 0.8rem;
            border-radius: var(--radius-tag);
            background: var(--color-surface-alt);
            color: var(--color-text-soft);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .tag-cloud a:hover {
            background: rgba(200,164,92,0.08);
            border-color: rgba(200,164,92,0.3);
            color: var(--color-accent-dark);
        }

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

        .sidebar-post-list li {
            padding: 0.55rem 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .sidebar-post-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-post-list li a {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            display: block;
            transition: color var(--transition-fast);
        }

        .sidebar-post-list li a:hover {
            color: var(--color-accent-dark);
        }

        .sidebar-post-list li .side-post-date {
            font-size: 0.7rem;
            color: var(--color-muted);
            display: block;
            margin-top: 0.2rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #252540 100%);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200,164,92,0.1);
            pointer-events: none;
        }

        .cta-section h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.9rem;
            opacity: 0.8;
            margin: 0 0 1.3rem;
            position: relative;
            z-index: 1;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            box-shadow: 0 2px 8px rgba(200,164,92,0.25);
        }

        .cta-btn:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 16px rgba(200,164,92,0.35);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.5rem;
        }

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

        .footer-links li {
            margin-bottom: 0.4rem;
        }

        .footer-links li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.78rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        /* 容器 */
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-narrow {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card-image {
                aspect-ratio: 16/9;
            }
            .featured-card-body {
                padding: 1.3rem;
            }
            .featured-card-body h2 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }
            .category-banner-content h1 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 0.8rem;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: 0 8px 24px rgba(0,0,0,0.08);
                gap: 0.15rem;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 0.65rem 1rem;
                border-radius: 6px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .search-dropdown {
                width: 100%;
                right: auto;
                left: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .category-banner {
                min-height: 170px;
            }
            .category-banner-content {
                padding: 1.5rem 1.2rem;
            }
            .category-banner-content h1 {
                font-size: 1.35rem;
            }
            .article-card-title {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 1.8rem 1.2rem;
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .sidebar-card {
                margin-bottom: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container-main,
            .container-narrow {
                padding: 0 1rem;
            }
            .category-banner-content h1 {
                font-size: 1.15rem;
            }
            .category-banner-content .subtitle {
                font-size: 0.8rem;
            }
            .category-banner {
                min-height: 140px;
            }
            .article-card-body {
                padding: 0.9rem;
            }
            .article-card-title {
                font-size: 0.88rem;
            }
            .pagination-wrap a,
            .pagination-wrap span {
                min-width: 32px;
                height: 32px;
                font-size: 0.78rem;
            }
            .header-inner {
                gap: 0.8rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #4c6ef5;
            --brand-deep: #2f4ad4;
            --accent: #f78c1c;
            --text-primary: #1a1f36;
            --text-secondary: #4a5366;
            --text-muted: #8b95a5;
            --bg-page: #fafbfc;
            --bg-white: #ffffff;
            --border-light: #edf0f3;
            --border-medium: #dfe3e8;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 2px 8px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.06);
            --shadow-nav: 0 2px 12px rgba(0,0,0,0.06);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{font-family:"Inter","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7;color:var(--text-primary);background:var(--bg-page);-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-fast)}
        button,input{font-family:inherit}
        ul{list-style:none}
        .site-header{position:sticky;top:0;z-index:100;background:var(--bg-white);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-nav);transition:box-shadow var(--transition-smooth)}
        .header-top{padding:0.65rem 0;background:var(--bg-white);border-bottom:1px solid var(--border-light)}
        .header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
        .logo-text{font-size:1.35rem;font-weight:700;color:var(--brand-deep);letter-spacing:-0.02em;white-space:nowrap;display:flex;align-items:center;gap:0.4rem}
        .logo-text .logo-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;flex-shrink:0}
        .search-mini{display:flex;align-items:center;background:var(--bg-page);border-radius:2rem;padding:0.35rem 0.35rem 0.35rem 1rem;border:1px solid var(--border-light);transition:all var(--transition-fast);min-width:200px}
        .search-mini:focus-within{border-color:var(--brand-primary);box-shadow:0 0 0 3px rgba(76,110,245,0.1);background:var(--bg-white)}
        .search-mini input{border:none;background:transparent;outline:none;font-size:0.85rem;color:var(--text-primary);width:100%;min-width:0}
        .search-mini input::placeholder{color:var(--text-muted)}
        .search-mini button{background:var(--brand-primary);color:#fff;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background var(--transition-fast)}
        .search-mini button:hover{background:var(--brand-deep)}
        .hot-tags-header{display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap;font-size:0.78rem;color:var(--text-muted)}
        .hot-tags-header a{color:var(--text-secondary);background:var(--bg-page);padding:0.2rem 0.6rem;border-radius:1rem;transition:all var(--transition-fast);white-space:nowrap;font-size:0.75rem}
        .hot-tags-header a:hover{color:var(--brand-primary);background:#eef1ff}
        .nav-main{padding:0;background:var(--bg-white)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
        .nav-links{display:flex;align-items:center;gap:0.15rem}
        .nav-links li a{display:block;padding:0.75rem 1.25rem;font-size:0.9rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);position:relative;white-space:nowrap}
        .nav-links li a:hover{color:var(--brand-primary);background:#f5f7ff}
        .nav-links li a.active-nav{color:var(--brand-primary);font-weight:600;background:#eef2ff}
        .nav-links li a.active-nav::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:24px;height:3px;background:var(--brand-primary);border-radius:3px 3px 0 0}
        .mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:0.5rem;color:var(--text-primary);font-size:1.4rem;line-height:1}
        .container-main{max-width:1200px;margin:0 auto;padding:0 1.5rem}
        @media(max-width:1024px){
            .container-main{padding:0 1.25rem}
            .hot-tags-header{display:none}
            .search-mini{min-width:160px}
        }
        @media(max-width:768px){
            .header-top-inner{flex-wrap:nowrap}
            .search-mini{min-width:120px;padding:0.3rem 0.3rem 0.3rem 0.75rem}
            .search-mini input{font-size:0.8rem}
            .logo-text{font-size:1.15rem}
            .nav-links{position:fixed;top:0;left:0;width:100%;height:100vh;background:var(--bg-white);flex-direction:column;align-items:stretch;padding:5rem 1.5rem 2rem;gap:0.25rem;transform:translateX(-100%);transition:transform var(--transition-smooth);z-index:99;overflow-y:auto}
            .nav-links.open{transform:translateX(0)}
            .nav-links li a{font-size:1.05rem;padding:0.9rem 1rem;text-align:left;border-radius:var(--radius-md)}
            .nav-links li a.active-nav::after{display:none}
            .nav-links li a.active-nav{border-left:3px solid var(--brand-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
            .mobile-menu-btn{display:block;z-index:101;position:relative}
            .nav-inner{justify-content:flex-end}
            .nav-main .container-main{position:relative}
            .nav-main .logo-text-mobile{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);z-index:101;font-size:1.1rem;font-weight:700;color:var(--brand-deep)}
        }
        @media(max-width:520px){
            .container-main{padding:0 1rem}
            .search-mini{min-width:100px}
            .logo-text{font-size:1rem}
            .header-top{padding:0.5rem 0}
            .search-mini button{width:28px;height:28px}
        }
        .page-banner{background:linear-gradient(135deg,#1e3aaf 0%,#2f4ad4 30%,#4c6ef5 60%,#3b5de7 100%);position:relative;overflow:hidden;padding:3.5rem 0}
        .page-banner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.12;mix-blend-mode:overlay}
        .page-banner::after{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,0.03);pointer-events:none}
        .page-banner-content{position:relative;z-index:1;text-align:center;color:#fff}
        .page-banner-content .breadcrumb{font-size:0.8rem;color:rgba(255,255,255,0.7);margin-bottom:0.75rem;display:flex;align-items:center;justify-content:center;gap:0.4rem;flex-wrap:wrap}
        .page-banner-content .breadcrumb a{color:rgba(255,255,255,0.85);transition:color var(--transition-fast)}
        .page-banner-content .breadcrumb a:hover{color:#fff}
        .page-banner-content h1{font-size:2.4rem;font-weight:700;letter-spacing:-0.02em;margin-bottom:0.6rem}
        .page-banner-content p{font-size:1.05rem;color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto}
        @media(max-width:768px){
            .page-banner{padding:2.5rem 0}
            .page-banner-content h1{font-size:1.7rem}
            .page-banner-content p{font-size:0.9rem}
        }
        .section{padding:3.5rem 0}
        .section-header{margin-bottom:2rem;text-align:center}
        .section-header h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);letter-spacing:-0.01em}
        .section-header p{color:var(--text-muted);margin-top:0.4rem;font-size:0.95rem}
        .tag-filter{display:flex;flex-wrap:wrap;gap:0.5rem;justify-content:center;margin-bottom:2rem}
        .tag-filter-btn{padding:0.45rem 1rem;border-radius:2rem;font-size:0.82rem;font-weight:500;cursor:pointer;border:1.5px solid var(--border-medium);background:var(--bg-white);color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap}
        .tag-filter-btn:hover{border-color:var(--brand-primary);color:var(--brand-primary);background:#f8f9ff}
        .tag-filter-btn.active{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary);box-shadow:0 4px 12px rgba(76,110,245,0.3)}
        .content-layout{display:grid;grid-template-columns:1fr 320px;gap:2rem;align-items:start}
        @media(max-width:1024px){.content-layout{grid-template-columns:1fr 280px;gap:1.5rem}}
        @media(max-width:768px){.content-layout{grid-template-columns:1fr;gap:2rem}}
        .article-list{display:flex;flex-direction:column;gap:1.25rem}
        .article-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:all var(--transition-smooth);display:grid;grid-template-columns:220px 1fr;cursor:pointer}
        .article-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--border-medium)}
        .article-card .card-img{position:relative;overflow:hidden;aspect-ratio:4/3;min-height:100%}
        .article-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-smooth)}
        .article-card:hover .card-img img{transform:scale(1.04)}
        .article-card .card-body{padding:1.25rem 1.5rem;display:flex;flex-direction:column;justify-content:center;gap:0.5rem}
        .article-card .card-tag{display:inline-block;font-size:0.72rem;font-weight:600;padding:0.2rem 0.6rem;border-radius:1rem;background:#eef2ff;color:var(--brand-primary);width:fit-content;letter-spacing:0.02em}
        .article-card .card-title{font-size:1.08rem;font-weight:600;color:var(--text-primary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .article-card .card-summary{font-size:0.85rem;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .article-card .card-meta{font-size:0.78rem;color:var(--text-muted);display:flex;align-items:center;gap:0.75rem}
        @media(max-width:768px){
            .article-card{grid-template-columns:1fr}
            .article-card .card-img{aspect-ratio:16/9;min-height:auto;max-height:200px}
            .article-card .card-body{padding:1rem 1.25rem}
        }
        @media(max-width:520px){
            .article-card .card-title{font-size:0.95rem}
            .article-card .card-summary{font-size:0.8rem;-webkit-line-clamp:2}
        }
        .sidebar-card{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-card);padding:1.5rem;margin-bottom:1.5rem;position:sticky;top:120px}
        .sidebar-card h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;padding-bottom:0.75rem;border-bottom:2px solid var(--border-light)}
        .sidebar-tags{display:flex;flex-wrap:wrap;gap:0.4rem}
        .sidebar-tags a{padding:0.35rem 0.75rem;font-size:0.78rem;border-radius:1.5rem;background:var(--bg-page);color:var(--text-secondary);transition:all var(--transition-fast);border:1px solid transparent}
        .sidebar-tags a:hover{background:#eef2ff;color:var(--brand-primary);border-color:#dbe4ff}
        .sidebar-trending-item{display:flex;gap:0.75rem;padding:0.65rem 0;border-bottom:1px solid var(--border-light);transition:all var(--transition-fast);cursor:pointer}
        .sidebar-trending-item:last-child{border-bottom:none}
        .sidebar-trending-item:hover .trending-title{color:var(--brand-primary)}
        .sidebar-trending-item .trending-num{font-size:1.1rem;font-weight:700;color:var(--brand-primary);flex-shrink:0;width:26px;text-align:center}
        .sidebar-trending-item .trending-title{font-size:0.82rem;color:var(--text-primary);line-height:1.5;transition:color var(--transition-fast);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .featured-section{background:var(--bg-white);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border-light);box-shadow:var(--shadow-card)}
        .featured-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
        .featured-img{aspect-ratio:16/10;overflow:hidden}
        .featured-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-smooth)}
        .featured-section:hover .featured-img img{transform:scale(1.03)}
        .featured-body{padding:2rem;display:flex;flex-direction:column;justify-content:center;gap:0.8rem}
        .featured-body .card-tag{font-size:0.75rem;font-weight:600;padding:0.25rem 0.7rem;border-radius:1rem;background:#fff3e5;color:var(--accent);width:fit-content}
        .featured-body h3{font-size:1.35rem;font-weight:700;color:var(--text-primary);line-height:1.5}
        .featured-body p{font-size:0.9rem;color:var(--text-muted);line-height:1.7}
        .featured-body .btn-outline{padding:0.6rem 1.5rem;border:1.5px solid var(--brand-primary);color:var(--brand-primary);border-radius:2rem;font-weight:500;font-size:0.85rem;transition:all var(--transition-fast);display:inline-block;width:fit-content;cursor:pointer}
        .featured-body .btn-outline:hover{background:var(--brand-primary);color:#fff;box-shadow:0 4px 14px rgba(76,110,245,0.35)}
        @media(max-width:768px){
            .featured-grid{grid-template-columns:1fr}
            .featured-body{padding:1.5rem}
            .featured-body h3{font-size:1.15rem}
        }
        .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
        .stat-card{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-light);padding:1.75rem 1.25rem;text-align:center;box-shadow:var(--shadow-card);transition:all var(--transition-smooth)}
        .stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
        .stat-num{font-size:2.2rem;font-weight:700;color:var(--brand-deep);letter-spacing:-0.02em}
        .stat-label{font-size:0.85rem;color:var(--text-muted);margin-top:0.3rem}
        @media(max-width:1024px){.stats-row{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.stats-row{grid-template-columns:1fr}.stat-num{font-size:1.8rem}}
        .cta-section{background:linear-gradient(135deg,#1e3aaf,#4c6ef5);border-radius:var(--radius-xl);padding:2.5rem 2rem;text-align:center;color:#fff;position:relative;overflow:hidden}
        .cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:0.08;mix-blend-mode:soft-light}
        .cta-section>*{position:relative;z-index:1}
        .cta-section h3{font-size:1.5rem;font-weight:700;margin-bottom:0.5rem}
        .cta-section p{color:rgba(255,255,255,0.85);margin-bottom:1.5rem;font-size:0.95rem}
        .btn-cta{display:inline-block;padding:0.7rem 2rem;background:#fff;color:var(--brand-deep);border-radius:2rem;font-weight:600;font-size:0.9rem;transition:all var(--transition-smooth);cursor:pointer;border:none;box-shadow:0 4px 16px rgba(0,0,0,0.15)}
        .btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,0.25);background:#f8f9ff}
        .faq-list{display:flex;flex-direction:column;gap:0.75rem;max-width:800px;margin:0 auto}
        .faq-item{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-light);overflow:hidden;transition:all var(--transition-fast);box-shadow:var(--shadow-card)}
        .faq-item:hover{border-color:var(--border-medium)}
        .faq-question{padding:1.1rem 1.5rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text-primary);font-size:0.95rem;user-select:none;gap:1rem}
        .faq-question .faq-icon{flex-shrink:0;transition:transform var(--transition-fast);color:var(--brand-primary);font-size:1.1rem}
        .faq-answer{padding:0 1.5rem 1.1rem;color:var(--text-secondary);font-size:0.88rem;line-height:1.7;display:none}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-icon{transform:rotate(45deg)}
        .site-footer{background:#1a1f36;color:#fff;padding:3rem 0 1.5rem;margin-top:3rem}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2.5rem;margin-bottom:2rem}
        .footer-brand{font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:0.5rem}
        .footer-links{display:flex;flex-direction:column;gap:0.45rem}
        .footer-links a{color:rgba(255,255,255,0.65);font-size:0.85rem;transition:color var(--transition-fast)}
        .footer-links a:hover{color:#fff}
        .footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:0.75rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.1);font-size:0.78rem;color:rgba(255,255,255,0.4)}
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
            .footer-grid>div:first-child{grid-column:1/-1}
        }
        @media(max-width:520px){
            .footer-grid{grid-template-columns:1fr}
            .footer-bottom{flex-direction:column;text-align:center}
        }
        .fade-in{animation:fadeInUp 0.6s ease forwards;opacity:0}
        @keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
        .delay-1{animation-delay:0.1s}.delay-2{animation-delay:0.2s}.delay-3{animation-delay:0.3s}.delay-4{animation-delay:0.4s}
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}