/* roulang page: index */
:root {
            --bg: #0F0A12;
            --surface: #1B111F;
            --surface-alt: #241724;
            --surface-light: #2D1C2B;
            --primary: #D52B7E;
            --primary-hover: #E84A91;
            --primary-soft: rgba(213, 43, 126, 0.15);
            --secondary: #E7B95C;
            --secondary-soft: rgba(231, 185, 92, 0.18);
            --text: #F5EDF0;
            --muted: #B9A6B0;
            --muted-light: #9A8794;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(213, 43, 126, 0.55);
            --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
            --radius: 18px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 64px;
            --section-pad-mobile: 40px;
            --wave-color: rgba(213, 43, 126, 0.2);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }

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

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

        button,
        input,
        textarea {
            font-family: var(--font-sans);
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 10, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 10, 18, 0.97);
            border-bottom-color: rgba(213, 43, 126, 0.2);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #8B1E5B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(213, 43, 126, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--muted);
            border: 1px solid transparent;
            position: relative;
            transition: color var(--transition), background var(--transition), border-color var(--transition);
        }

        .nav-links a:hover {
            color: var(--text);
            background: var(--surface-alt);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: rgba(213, 43, 126, 0.3);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            color: var(--text);
            font-size: 1.4rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }

        .nav-toggle:hover {
            background: var(--surface-alt);
            border-color: var(--border-hover);
        }

        .nav-mobile-collapse {
            display: none;
            padding: 16px 0 20px;
            border-top: 1px solid var(--border);
            margin-top: 4px;
        }

        .nav-mobile-collapse.open {
            display: block;
        }

        .nav-mobile-collapse .nav-links {
            flex-direction: column;
            gap: 4px;
            width: 100%;
        }

        .nav-mobile-collapse .nav-links a {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 90px 0 70px;
            background-image: url('/assets/images/4d24806b66e57e02.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            isolation: isolate;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 10, 18, 0.82) 0%, rgba(15, 10, 18, 0.9) 55%, rgba(15, 10, 18, 0.97) 100%);
            z-index: -1;
        }

        .hero-wave-decor {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            z-index: -1;
            opacity: 0.5;
            pointer-events: none;
        }

        .hero-wave-decor svg {
            width: 100%;
            height: 100%;
        }

        .hero-inner {
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            border: 1px solid rgba(213, 43, 126, 0.35);
            color: var(--primary-hover);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            color: #fff;
            text-wrap: balance;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight-accent {
            color: var(--secondary);
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--muted);
            line-height: 1.85;
            margin: 0 auto 32px;
            max-width: 680px;
            text-wrap: pretty;
        }

        .hero-search-wrapper {
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }

        .hero-search-form {
            display: flex;
            align-items: center;
            gap: 0;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .hero-search-form:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 4px rgba(213, 43, 126, 0.15);
        }

        .hero-search-form input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 16px 22px;
            color: var(--text);
            font-size: 0.95rem;
            min-width: 0;
        }

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

        .hero-search-form input:focus {
            outline: none;
        }

        .hero-search-form button {
            background: var(--primary);
            border: none;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            margin-right: 4px;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-search-form button:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 640px;
            margin: 0 auto;
        }

        .hero-chip {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 0.85rem;
            color: var(--muted);
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-chip:hover {
            background: var(--surface-alt);
            border-color: var(--border-hover);
            color: var(--text);
        }

        .hero-chip i {
            font-size: 0.8rem;
            color: var(--secondary);
        }

        /* ========== Section通用 ========== */
        .site-section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .site-section--alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .site-section--deep {
            background: #0B070D;
        }

        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            border: 1px solid rgba(213, 43, 126, 0.25);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 0;
        }

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

        .section-heading--center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 卡片通用 ========== */
        .content-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--surface-alt);
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .content-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15, 10, 18, 0.6) 100%);
            pointer-events: none;
        }

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

        .card-category {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary);
            background: var(--secondary-soft);
            border: 1px solid rgba(231, 185, 92, 0.25);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
            margin: 0;
            transition: color var(--transition);
        }

        .content-card:hover .card-title {
            color: var(--primary);
        }

        .card-text-sm {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--muted-light);
            margin-top: 4px;
        }

        .card-meta i {
            margin-right: 4px;
        }

        /* ========== 按钮 ========== */
        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-custom-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(213, 43, 126, 0.35);
        }

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

        .btn-custom-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-custom-outline:hover {
            border-color: var(--border-hover);
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ========== 内容日历 ========== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
        }

        .calendar-cell {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
            min-height: 90px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .calendar-cell:hover {
            border-color: var(--border-hover);
            background: var(--surface-alt);
        }

        .calendar-cell .cal-day {
            font-size: 0.75rem;
            color: var(--muted-light);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .calendar-cell .cal-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
        }

        .calendar-cell .cal-topic {
            font-size: 0.72rem;
            color: var(--muted);
            margin-top: 6px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .calendar-cell.active-day {
            background: var(--primary-soft);
            border-color: rgba(213, 43, 126, 0.5);
        }

        .calendar-cell.active-day .cal-num {
            color: var(--primary);
        }

        .calendar-cell.today {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(231, 185, 92, 0.15);
        }

        /* ========== 专题卡片 ========== */
        .topic-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .topic-card .topic-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.06);
        }

        .topic-card .topic-overlay-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 10, 18, 0.8);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary);
        }

        .topic-card .topic-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .topic-card .topic-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            margin: 0;
        }

        .topic-card .topic-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
        }

        /* ========== 观点解读 ========== */
        .insight-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .insight-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow);
        }

        .insight-quote-icon {
            color: var(--primary);
            font-size: 1.6rem;
            opacity: 0.6;
        }

        .insight-text {
            font-size: 0.92rem;
            color: var(--text);
            line-height: 1.8;
            flex: 1;
        }

        .insight-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--muted-light);
        }

        .insight-author .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
        }

        /* ========== 资讯列表 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: all var(--transition);
            align-items: flex-start;
        }

        .news-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow);
            transform: translateX(3px);
        }

        .news-item .news-thumb {
            width: 100px;
            height: 70px;
            flex-shrink: 0;
            border-radius: 8px;
            overflow: hidden;
            background: var(--surface-alt);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .news-item .news-cat {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.03em;
        }

        .news-item .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-summary {
            font-size: 0.82rem;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            font-size: 0.75rem;
            color: var(--muted-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-sidebar-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-sidebar .mini-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-sidebar .mini-card:hover {
            border-color: var(--border-hover);
            background: var(--surface-alt);
        }

        .news-sidebar .mini-card .mini-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar .mini-card .mini-date {
            font-size: 0.72rem;
            color: var(--muted-light);
            margin-top: 6px;
        }

        .news-empty {
            padding: 40px 24px;
            text-align: center;
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            color: var(--muted);
            font-size: 0.95rem;
        }

        /* ========== 媒体精选 ========== */
        .media-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }

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

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

        .media-card .media-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .media-card .media-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .media-card .media-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin: 0;
        }

        .media-card .media-meta {
            font-size: 0.78rem;
            color: var(--muted-light);
            display: flex;
            gap: 12px;
        }

        /* ========== 数据分析 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--muted);
            font-weight: 500;
        }

        .stat-trend {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-top: 8px;
            background: var(--secondary-soft);
            color: var(--secondary);
        }

        /* ========== 保障条 ========== */
        .guarantee-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: stretch;
        }

        .guarantee-item {
            flex: 1;
            min-width: 220px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
        }

        .guarantee-item:hover {
            border-color: var(--border-hover);
            background: var(--surface-alt);
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }

        .guarantee-content h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .guarantee-content p {
            font-size: 0.82rem;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .accordion-custom .accordion-button {
            background: var(--surface);
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: background var(--transition), color var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--surface-alt);
            color: var(--primary);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(0.8);
            opacity: 0.6;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(213, 43, 126, 0.12);
        }

        .accordion-custom .accordion-body {
            background: var(--surface);
            color: var(--muted);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 0 22px 20px;
        }

        /* ========== 订阅条 ========== */
        .subscribe-panel {
            background: linear-gradient(135deg, var(--surface-alt) 0%, var(--surface) 60%, #1A0F1E 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(213, 43, 126, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-panel::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(231, 185, 92, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .subscribe-panel p {
            font-size: 0.9rem;
            color: var(--muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            background: rgba(15, 10, 18, 0.7);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            color: var(--text);
            font-size: 0.9rem;
            transition: border-color var(--transition);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(213, 43, 126, 0.12);
        }

        .subscribe-form input::placeholder {
            color: var(--muted-light);
        }

        /* ========== 合作伙伴 ========== */
        .partner-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .partner-badge {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--muted);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .partner-badge:hover {
            background: var(--surface-alt);
            border-color: var(--border-hover);
            color: var(--text);
        }

        .partner-badge i {
            color: var(--secondary);
            font-size: 0.8rem;
        }

        /* ========== 波点装饰 ========== */
        .wave-divider {
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--primary) 20%, var(--secondary) 50%, var(--primary) 80%, transparent 100%);
            opacity: 0.4;
            margin: 0;
            border: none;
        }

        .eq-bars {
            display: flex;
            align-items: flex-end;
            gap: 3px;
            height: 20px;
            margin-left: 6px;
        }

        .eq-bars span {
            width: 3px;
            background: var(--primary);
            border-radius: 2px;
            animation: eqPulse 1.2s ease-in-out infinite;
        }

        .eq-bars span:nth-child(1) { height: 8px; animation-delay: 0s; }
        .eq-bars span:nth-child(2) { height: 14px; animation-delay: 0.15s; }
        .eq-bars span:nth-child(3) { height: 6px; animation-delay: 0.3s; }
        .eq-bars span:nth-child(4) { height: 18px; animation-delay: 0.45s; }
        .eq-bars span:nth-child(5) { height: 10px; animation-delay: 0.6s; }

        @keyframes eqPulse {
            0%, 100% { transform: scaleY(1); }
            50% { transform: scaleY(0.5); }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0B070D;
            border-top: 1px solid var(--border);
            padding: 48px 0 20px;
            color: var(--muted);
        }

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

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: var(--muted-light);
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--muted);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: var(--muted-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-grid {
                grid-template-columns: repeat(7, 1fr);
                gap: 4px;
            }
            .calendar-cell {
                padding: 10px 6px;
                min-height: 70px;
            }
            .calendar-cell .cal-num {
                font-size: 1rem;
            }
            .calendar-cell .cal-topic {
                font-size: 0.65rem;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                min-height: 60px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile-collapse {
                display: none;
            }
            .nav-mobile-collapse.open {
                display: block;
            }
            .nav-mobile-collapse .nav-links {
                display: flex;
            }
            .hero-section {
                padding: 60px 0 50px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-search-form {
                flex-direction: column;
                border-radius: var(--radius-sm);
                gap: 8px;
                padding: 8px;
            }
            .hero-search-form input {
                width: 100%;
                padding: 12px 16px;
                text-align: center;
            }
            .hero-search-form button {
                width: 100%;
                justify-content: center;
                margin-right: 0;
                border-radius: var(--radius-sm);
            }
            .site-section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 120px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 6px;
            }
            .calendar-cell {
                min-height: 60px;
            }
            .subscribe-panel {
                padding: 32px 22px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .guarantee-bar {
                flex-direction: column;
            }
        }

        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
            .hero-chips {
                gap: 6px;
            }
            .hero-chip {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
            .section-heading h2 {
                font-size: 1.25rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-item .news-thumb {
                height: 100px;
            }
            .btn-custom-primary,
            .btn-custom-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .partner-badge {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
            .subscribe-form button {
                width: 100%;
            }
        }

        @media (max-width: 400px) {
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category1 */
:root {
            --bg: #0F0A12;
            --surface: #1B111F;
            --surface-alt: #241724;
            --surface-light: #2D1C2B;
            --primary: #D52B7E;
            --primary-hover: #E84A91;
            --primary-soft: rgba(213, 43, 126, 0.15);
            --secondary: #E7B95C;
            --secondary-soft: rgba(231, 185, 92, 0.18);
            --text: #F5EDF0;
            --muted: #B9A6B0;
            --muted-light: #9A8794;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(213, 43, 126, 0.55);
            --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
            --radius: 18px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 64px;
            --section-pad-mobile: 40px;
            --wave-color: rgba(213, 43, 126, 0.2);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: var(--font-sans); }
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 10, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled { background: rgba(15, 10, 18, 0.97); border-bottom-color: rgba(213, 43, 126, 0.2); }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 24px; }
        .nav-logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.15rem; color: var(--text); letter-spacing: 0.02em; white-space: nowrap; transition: color var(--transition); }
        .nav-logo:hover { color: var(--primary); }
        .nav-logo-icon {
            width: 36px; height: 36px; border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #8B1E5B);
            display: flex; align-items: center; justify-content: center;
            color: #fff; font-size: 1.1rem; flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(213, 43, 126, 0.35);
        }
        .eq-bars { display: inline-flex; align-items: flex-end; gap: 3px; height: 18px; margin-left: 4px; }
        .eq-bars span { width: 3px; height: 100%; background: var(--primary); border-radius: 2px; animation: eq 1.2s ease-in-out infinite alternate; transform-origin: bottom; }
        .eq-bars span:nth-child(1) { animation-delay: 0s; height: 40%; }
        .eq-bars span:nth-child(2) { animation-delay: 0.15s; height: 70%; }
        .eq-bars span:nth-child(3) { animation-delay: 0.3s; height: 100%; }
        .eq-bars span:nth-child(4) { animation-delay: 0.45s; height: 55%; }
        .eq-bars span:nth-child(5) { animation-delay: 0.6s; height: 80%; }
        @keyframes eq { from { transform: scaleY(0.4); } to { transform: scaleY(1); } }
        .nav-links { display: flex; align-items: center; gap: 8px; list-style: none; margin: 0; padding: 0; }
        .nav-links a {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 16px; border-radius: var(--radius-pill);
            font-size: 0.92rem; font-weight: 500; color: var(--muted);
            border: 1px solid transparent; position: relative;
            transition: color var(--transition), background var(--transition), border-color var(--transition);
        }
        .nav-links a:hover { color: var(--text); background: var(--surface-alt); }
        .nav-links a.active { color: var(--primary); background: var(--primary-soft); border-color: rgba(213, 43, 126, 0.3); }
        .nav-links a.active::after {
            content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 2px; background: var(--primary); border-radius: 2px;
        }
        .nav-toggle {
            display: none; background: none; border: 1px solid var(--border); border-radius: 10px;
            width: 42px; height: 42px; color: var(--text); font-size: 1.4rem; cursor: pointer;
            align-items: center; justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover { background: var(--surface-alt); border-color: var(--border-hover); }
        .nav-mobile-collapse { display: none; padding: 16px 0 20px; border-top: 1px solid var(--border); margin-top: 4px; }
        .nav-mobile-collapse.open { display: block; }
        .nav-mobile-collapse .nav-links { flex-direction: column; gap: 4px; width: 100%; }
        .nav-mobile-collapse .nav-links a { width: 100%; padding: 12px 16px; border-radius: 12px; }

        /* ========== 通用板块 ========== */
        .section { padding: var(--section-pad) 0; position: relative; }
        .section-alt { background: var(--surface-alt); }
        .section-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.01em; }
        .section-subtitle { color: var(--muted); font-size: 1rem; max-width: 720px; margin-bottom: 32px; }
        .text-gradient {
            background: linear-gradient(135deg, var(--text) 30%, var(--primary) 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .highlight-primary { color: var(--primary); }
        .highlight-secondary { color: var(--secondary); }

        /* ========== 按钮 ========== */
        .btn-custom-primary {
            background: var(--primary); color: #fff; border: none; border-radius: var(--radius-pill);
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-custom-primary:hover, .btn-custom-primary:focus { background: var(--primary-hover); color: #fff; box-shadow: 0 8px 20px rgba(213, 43, 126, 0.4); transform: translateY(-2px); }
        .btn-custom-primary:active { transform: translateY(0); }
        .btn-custom-outline {
            background: transparent; color: var(--text); border: 1px solid var(--border);
            border-radius: var(--radius-pill); padding: 12px 28px; font-weight: 500; font-size: 0.95rem;
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }
        .btn-custom-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            border-bottom: 1px solid var(--border);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%; left: -20%;
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(213, 43, 126, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%; right: -15%;
            width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(231, 185, 92, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb-custom {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.85rem; color: var(--muted); margin-bottom: 20px;
        }
        .breadcrumb-custom a { color: var(--muted); }
        .breadcrumb-custom a:hover { color: var(--primary); }
        .breadcrumb-custom .separator { color: var(--muted-light); }
        .category-hero h1 { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 900; line-height: 1.25; margin-bottom: 16px; }
        .category-hero .lead { font-size: 1.1rem; color: var(--muted); max-width: 680px; margin-bottom: 28px; line-height: 1.8; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

        /* 检查项勾选条 */
        .check-list { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 24px; }
        .check-list .check-item {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.9rem; color: var(--muted);
            padding: 6px 14px; border-radius: var(--radius-pill);
            background: var(--surface-alt); border: 1px solid var(--border);
        }
        .check-list .check-item .bi-check-circle-fill { color: var(--secondary); font-size: 0.95rem; }

        /* ========== 筛选条 ========== */
        .filter-bar {
            display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
            margin-bottom: 32px;
        }
        .filter-btn {
            background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-pill);
            padding: 8px 20px; font-size: 0.88rem; font-weight: 500; color: var(--muted);
            cursor: pointer; transition: all var(--transition);
        }
        .filter-btn:hover { border-color: var(--primary); color: var(--text); background: var(--surface-alt); }
        .filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        .filter-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        /* ========== 内容卡片 ========== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .category-card {
            background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
            overflow: hidden; transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            display: flex; flex-direction: column; position: relative;
        }
        .category-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow-lg); }
        .category-card .card-img-wrap { position: relative; overflow: hidden; aspect-ratio: 16/9; }
        .category-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
        .category-card:hover .card-img-wrap img { transform: scale(1.05); }
        .category-card .card-img-wrap::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(15,10,18,0) 40%, rgba(15,10,18,0.8) 100%);
        }
        .category-card .card-tag {
            position: absolute; top: 14px; left: 14px; z-index: 2;
            background: rgba(15, 10, 18, 0.8); backdrop-filter: blur(8px);
            border: 1px solid var(--border); border-radius: var(--radius-pill);
            padding: 4px 14px; font-size: 0.75rem; font-weight: 600; color: var(--secondary);
        }
        .category-card .card-body-custom { padding: 20px 22px 22px; display: flex; flex-direction: column; flex-grow: 1; }
        .category-card .card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
        .category-card .card-title a { color: var(--text); }
        .category-card .card-title a:hover { color: var(--primary); }
        .category-card .card-text { font-size: 0.88rem; color: var(--muted); margin-bottom: 16px; flex-grow: 1; }
        .category-card .card-meta {
            display: flex; align-items: center; gap: 12px; font-size: 0.78rem; color: var(--muted-light);
            padding-top: 14px; border-top: 1px solid var(--border);
        }
        .category-card .card-meta .badge-cat { background: var(--primary-soft); color: var(--primary); border-radius: 6px; padding: 2px 10px; font-size: 0.72rem; font-weight: 600; }
        .card-corner-icon { position: absolute; top: 18px; right: 18px; z-index: 2; color: rgba(255,255,255,0.5); font-size: 1.1rem; }

        /* ========== 相关专题入口 ========== */
        .topic-tags { display: flex; flex-wrap: wrap; gap: 12px; }
        .topic-tag {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 20px; border-radius: var(--radius-pill);
            background: var(--surface); border: 1px solid var(--border);
            font-size: 0.9rem; font-weight: 500; color: var(--muted);
            transition: all var(--transition);
        }
        .topic-tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }
        .topic-tag .bi { font-size: 0.9rem; }

        /* ========== 数据条 ========== */
        .data-strip {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
            background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
            padding: 32px 28px; margin-top: 12px;
        }
        .data-item { text-align: center; }
        .data-item .data-num { font-size: 2.2rem; font-weight: 900; color: var(--primary); line-height: 1.2; }
        .data-item .data-label { font-size: 0.88rem; color: var(--muted); margin-top: 4px; }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
            margin-bottom: 12px; overflow: hidden;
        }
        .accordion-custom .accordion-header { margin: 0; }
        .accordion-custom .accordion-button {
            background: var(--surface); color: var(--text); font-weight: 600; font-size: 0.98rem;
            padding: 18px 22px; border: none; box-shadow: none;
            transition: color var(--transition), background var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) { background: var(--surface-alt); color: var(--primary); }
        .accordion-custom .accordion-button:focus { box-shadow: none; border-color: var(--border-hover); }
        .accordion-custom .accordion-button::after { filter: invert(0.7); }
        .accordion-custom .accordion-body { background: var(--surface); color: var(--muted); font-size: 0.92rem; padding: 18px 22px; border-top: 1px solid var(--border); }

        /* ========== 查看更多 ========== */
        .more-section { padding: 56px 0 72px; text-align: center; }
        .more-section .btn-group-custom { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

        /* ========== 页脚 ========== */
        .site-footer { background: #0B070D; border-top: 1px solid var(--border); padding: 56px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
        .footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--text); margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; color: var(--muted); max-width: 360px; }
        .footer-col h5 { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 14px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a { font-size: 0.88rem; color: var(--muted); }
        .footer-col ul a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; font-size: 0.8rem; color: var(--muted-light); text-align: center; }

        /* ========== 声波装饰 ========== */
        .wave-decor {
            position: relative; display: flex; align-items: center; gap: 4px;
            height: 40px; opacity: 0.35; margin-bottom: 20px;
        }
        .wave-decor span { width: 3px; height: 100%; background: var(--primary); border-radius: 2px; animation: eq 1.4s ease-in-out infinite alternate; transform-origin: center; }
        .wave-decor span:nth-child(1) { animation-delay: 0s; height: 20%; }
        .wave-decor span:nth-child(2) { animation-delay: 0.1s; height: 45%; }
        .wave-decor span:nth-child(3) { animation-delay: 0.2s; height: 70%; }
        .wave-decor span:nth-child(4) { animation-delay: 0.3s; height: 90%; }
        .wave-decor span:nth-child(5) { animation-delay: 0.4s; height: 100%; }
        .wave-decor span:nth-child(6) { animation-delay: 0.5s; height: 85%; }
        .wave-decor span:nth-child(7) { animation-delay: 0.6s; height: 60%; }
        .wave-decor span:nth-child(8) { animation-delay: 0.7s; height: 40%; }
        .wave-decor span:nth-child(9) { animation-delay: 0.8s; height: 25%; }
        .wave-decor span:nth-child(10) { animation-delay: 0.9s; height: 50%; }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-toggle { display: flex; }
            .category-grid { grid-template-columns: 1fr; }
            .data-strip { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 20px; }
            .section { padding: var(--section-pad-mobile) 0; }
            .category-hero { padding: 48px 0 40px; }
            .category-hero h1 { font-size: 1.8rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .data-strip { grid-template-columns: 1fr 1fr; }
            .data-item .data-num { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; }
            .btn-custom-primary, .btn-custom-outline { width: 100%; text-align: center; }
            .check-list { flex-direction: column; gap: 8px; }
            .check-list .check-item { width: 100%; }
        }

/* roulang page: article */
:root {
            --bg: #0F0A12;
            --surface: #1B111F;
            --surface-alt: #241724;
            --surface-light: #2D1C2B;
            --primary: #D52B7E;
            --primary-hover: #E84A91;
            --primary-soft: rgba(213, 43, 126, 0.15);
            --secondary: #E7B95C;
            --secondary-soft: rgba(231, 185, 92, 0.18);
            --text: #F5EDF0;
            --muted: #B9A6B0;
            --muted-light: #9A8794;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(213, 43, 126, 0.55);
            --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
            --radius: 18px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 64px;
            --section-pad-mobile: 40px;
            --wave-color: rgba(213, 43, 126, 0.2);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: var(--font-sans);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2rem);
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--muted);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.8;
        }
        .section-accent {
            color: var(--primary);
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .fw-700 {
            font-weight: 700;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 10, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 10, 18, 0.97);
            border-bottom-color: rgba(213, 43, 126, 0.2);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #8B1E5B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(213, 43, 126, 0.35);
        }
        .eq-bars {
            display: inline-flex;
            align-items: flex-end;
            gap: 3px;
            margin-left: 4px;
        }
        .eq-bars span {
            width: 3px;
            border-radius: 3px;
            background: var(--secondary);
            animation: eqPulse 1.2s ease-in-out infinite;
        }
        .eq-bars span:nth-child(1) { height: 10px; animation-delay: 0s; }
        .eq-bars span:nth-child(2) { height: 16px; animation-delay: 0.15s; }
        .eq-bars span:nth-child(3) { height: 8px; animation-delay: 0.3s; }
        .eq-bars span:nth-child(4) { height: 14px; animation-delay: 0.45s; }
        .eq-bars span:nth-child(5) { height: 6px; animation-delay: 0.6s; }
        @keyframes eqPulse {
            0%, 100% { transform: scaleY(0.6); opacity: 0.7; }
            50% { transform: scaleY(1); opacity: 1; }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--muted);
            border: 1px solid transparent;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text);
            background: var(--surface-alt);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: rgba(213, 43, 126, 0.3);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            color: var(--text);
            font-size: 1.4rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: var(--surface-alt);
            border-color: var(--border-hover);
        }
        .nav-mobile-collapse {
            display: none;
            padding: 16px 0 20px;
            border-top: 1px solid var(--border);
            margin-top: 4px;
        }
        .nav-mobile-collapse.open {
            display: block;
        }
        .nav-mobile-collapse .nav-links {
            flex-direction: column;
            gap: 4px;
            width: 100%;
        }
        .nav-mobile-collapse .nav-links a {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
        }

        /* ========== 通用卡片 ========== */
        .glass-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow);
        }
        .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--surface-alt);
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .glass-card:hover .card-media img {
            transform: scale(1.05);
        }
        .card-media-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 10, 18, 0.7), transparent 55%);
        }

        /* ========== 按钮 ========== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-custom:focus {
            outline: 3px solid rgba(213, 43, 126, 0.5);
            outline-offset: 2px;
        }
        .btn-custom:active {
            transform: scale(0.97);
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            border-color: var(--primary-hover);
            box-shadow: 0 8px 20px rgba(213, 43, 126, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline-custom:hover {
            background: var(--surface-alt);
            border-color: var(--border-hover);
            color: var(--primary);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ========== 标签 ========== */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--primary-soft);
            color: var(--primary);
            border: 1px solid rgba(213, 43, 126, 0.3);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .tag-pill:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tag-pill.gold {
            background: var(--secondary-soft);
            color: var(--secondary);
            border-color: rgba(231, 185, 92, 0.35);
        }
        .tag-pill.gold:hover {
            background: var(--secondary);
            color: #0F0A12;
            border-color: var(--secondary);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--muted);
            padding: 20px 0 0;
            list-style: none;
            margin: 0;
        }
        .breadcrumb-custom a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: var(--muted-light);
            font-size: 0.75rem;
        }
        .breadcrumb-custom .current {
            color: var(--text);
            font-weight: 500;
            max-width: 340px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== 文章头部 ========== */
        .article-hero-section {
            padding: 32px 0 8px;
        }
        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin: 16px 0 12px;
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--muted);
        }
        .article-meta-item i {
            color: var(--primary);
        }
        .article-title {
            font-size: clamp(1.6rem, 3.5vw, 2.5rem);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.01em;
        }
        .article-summary {
            font-size: 1.05rem;
            color: var(--muted);
            line-height: 1.85;
            max-width: 800px;
            margin-bottom: 20px;
        }
        .article-cover-wrapper {
            position: relative;
            aspect-ratio: 21 / 10;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 24px 0 8px;
            background: var(--surface-alt);
            border: 1px solid var(--border);
        }
        .article-cover-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 10, 18, 0.5), transparent 60%);
        }

        /* ========== 正文排版 ========== */
        .article-content {
            margin-top: 28px;
            font-size: 1rem;
            color: var(--text);
            line-height: 1.9;
        }
        .article-content p {
            margin-bottom: 1.35rem;
            color: #E8DCE4;
        }
        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text);
            margin: 2.2rem 0 1rem;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            margin: 1.8rem 0 0.8rem;
            line-height: 1.45;
        }
        .article-content ul,
        .article-content ol {
            margin: 1rem 0 1.5rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
            color: #E8DCE4;
        }
        .article-content blockquote {
            border-left: 3px solid var(--primary);
            padding: 16px 20px;
            margin: 1.5rem 0;
            background: var(--surface);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--muted);
        }
        .article-content blockquote p {
            margin-bottom: 0;
            color: var(--muted);
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            border: 1px solid var(--border);
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition);
        }
        .article-content a:hover {
            color: var(--primary-hover);
        }
        .article-content strong {
            color: var(--text);
            font-weight: 700;
        }

        /* ========== 侧栏 ========== */
        .article-sidebar {
            padding-top: 20px;
        }
        .sidebar-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-article-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }
        .sidebar-article-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-article-thumb {
            width: 72px;
            height: 52px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--surface-alt);
        }
        .sidebar-article-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-article-info a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .sidebar-article-info a:hover {
            color: var(--primary);
        }
        .sidebar-article-date {
            font-size: 0.75rem;
            color: var(--muted-light);
            margin-top: 4px;
            display: block;
        }
        .sidebar-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .related-card {
            background: var(--surface-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow);
        }
        .related-card-media {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--surface-light);
        }
        .related-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-media img {
            transform: scale(1.05);
        }
        .related-card-body {
            padding: 16px 18px;
        }
        .related-card-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .related-card-body h4 a {
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .related-card-body h4 a:hover {
            color: var(--primary);
        }
        .related-card-summary {
            font-size: 0.82rem;
            color: var(--muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .related-card-meta {
            font-size: 0.75rem;
            color: var(--muted-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* ========== 上一篇/下一篇 ========== */
        .prev-next-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 32px 0 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .prev-next-link {
            flex: 1 1 200px;
            padding: 14px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--surface);
            color: var(--text);
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }
        .prev-next-link:hover {
            border-color: var(--border-hover);
            background: var(--surface-alt);
            color: var(--primary);
        }
        .prev-next-label {
            font-size: 0.75rem;
            color: var(--muted-light);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 4px;
        }
        .prev-next-title {
            font-size: 0.9rem;
            font-weight: 500;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 返回入口 ========== */
        .back-entry {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 8px 0 24px;
        }

        /* ========== 空态 ========== */
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
        }
        .empty-state i {
            font-size: 2.5rem;
            color: var(--muted-light);
            margin-bottom: 12px;
        }
        .empty-state h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .empty-state p {
            color: var(--muted);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }
        .empty-state.compact {
            padding: 28px 16px;
        }

        /* ========== 底部CTA ========== */
        .article-cta-section {
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(213, 43, 126, 0.12), transparent 65%);
            pointer-events: none;
        }
        .article-cta-card {
            background: linear-gradient(135deg, var(--surface), var(--surface-alt));
            border: 1px solid rgba(213, 43, 126, 0.3);
            border-radius: var(--radius);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .article-cta-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .article-cta-card p {
            color: var(--muted);
            font-size: 0.98rem;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0C070E;
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(213, 43, 126, 0.4), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--muted);
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--muted);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid var(--border);
            text-align: center;
            font-size: 0.8rem;
            color: var(--muted-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-sidebar {
                padding-top: 8px;
                margin-top: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .nav-toggle {
                display: flex;
            }
            .nav-inner > nav {
                display: none;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-cover-wrapper {
                aspect-ratio: 16 / 9;
            }
            .article-cta-card {
                padding: 28px 20px;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .article-meta-row {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-custom {
                width: 100%;
            }
            .article-cta-actions .btn-custom {
                width: 100%;
            }
            .prev-next-nav {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}