/* roulang page: index */
:root {
            --primary: #1E5EFF;
            --primary-deep: #1447E6;
            --accent: #FF6B2C;
            --accent-hover: #E85A22;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-dark: #0B1B3F;
            --text-mid: #3A4A6A;
            --text-light: #6B7C9A;
            --border-light: #E8EDF5;
            --shadow-sm: 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-md: 0 8px 24px rgba(15, 35, 80, .06), 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-lg: 0 20px 42px rgba(15, 35, 80, .10), 0 6px 18px rgba(15, 35, 80, .06);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 18px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', sans-serif;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-mid);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* 导航 */
        .header-wrap {
            position: relative;
            z-index: 1030;
            padding: 16px 24px 0;
        }
        .header-wrap .navbar {
            background: var(--bg-white);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-md);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid rgba(232, 237, 245, .7);
        }
        .header-wrap .navbar.sticky-active {
            box-shadow: var(--shadow-lg);
            border-radius: 0;
            padding: 8px 24px;
            margin: 0;
            border-left: none;
            border-right: none;
            border-top: none;
        }
        .navbar-brand .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-brand .logo-text .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            font-size: .95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(30, 94, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(30, 94, 255, .10);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
            font-size: .92rem;
            white-space: nowrap;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-dark);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            outline: none;
        }
        @media (max-width: 992px) {
            .header-wrap .navbar {
                padding: 10px 16px;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .header-wrap {
                padding: 8px 8px 0;
            }
            .header-wrap .navbar {
                border-radius: 12px;
                padding: 8px 12px;
            }
        }

        /* Hero */
        .hero-section {
            padding: 28px 0 0;
            position: relative;
            z-index: 1020;
        }
        .hero-card {
            background: linear-gradient(135deg, #fff 0%, #F0F4FF 100%);
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            padding: 0;
            border: 1px solid rgba(232, 237, 245, .8);
            position: relative;
        }
        .hero-card .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 480px;
            position: relative;
        }
        .hero-left {
            padding: 52px 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            z-index: 2;
        }
        .hero-right {
            position: relative;
            min-height: 480px;
            overflow: hidden;
            border-radius: 0 24px 24px 0;
            display: flex;
            align-items: stretch;
        }
        .hero-right img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            font-size: .85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
            width: fit-content;
        }
        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: #00C853;
            border-radius: 50%;
            display: inline-block;
            animation: blink 1.5s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 107, 44, .40);
            transform: translateY(-2px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 107, 44, .25);
        }
        .btn-outline-primary-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-primary-custom:hover,
        .btn-outline-primary-custom:focus {
            background: rgba(30, 94, 255, .06);
            color: var(--primary-deep);
            border-color: var(--primary-deep);
            transform: translateY(-2px);
        }
        .hero-cd-box {
            background: rgba(255, 255, 255, .7);
            border-radius: 12px;
            padding: 12px 18px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            font-size: .9rem;
            color: var(--text-mid);
            border: 1px solid rgba(232, 237, 245, .9);
        }
        .hero-cd-box .cd-timer {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.2rem;
            letter-spacing: 1px;
        }
        .hero-cd-box i {
            color: var(--accent);
        }
        @media (max-width: 992px) {
            .hero-card .hero-inner {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .hero-left {
                padding: 36px 28px;
                order: 2;
            }
            .hero-right {
                min-height: 240px;
                border-radius: 0;
                order: 1;
            }
            .hero-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 576px) {
            .hero-left {
                padding: 24px 18px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: .95rem;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn-accent, .btn-outline-primary-custom {
                padding: 10px 18px;
                font-size: .9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-right {
                min-height: 180px;
            }
            .hero-cd-box {
                font-size: .8rem;
                padding: 8px 12px;
            }
        }

        /* 通用板块 */
        .section-block {
            padding: 72px 0;
        }
        .section-block-alt {
            background: var(--bg-white);
        }
        .section-block-light {
            background: var(--bg-light);
        }
        .section-label {
            font-size: .85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-mid);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 36px;
        }
        @media (max-width: 576px) {
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-desc {
                font-size: .92rem;
            }
        }

        /* 品牌介绍 */
        .brand-intro-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 44px 42px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .brand-intro-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-card .brand-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
        }
        .brand-intro-card .brand-text p {
            color: var(--text-mid);
            line-height: 1.95;
            margin-bottom: 14px;
            font-size: .98rem;
        }
        .brand-intro-card .brand-image img {
            width: 100%;
            border-radius: 14px;
            object-fit: cover;
            height: 320px;
            box-shadow: var(--shadow-sm);
        }
        @media (max-width: 768px) {
            .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 28px 22px;
                gap: 24px;
            }
            .brand-intro-card .brand-image img {
                height: 200px;
            }
            .brand-intro-card .brand-text h3 {
                font-size: 1.3rem;
            }
        }

        /* 数据条 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-number .stat-unit {
            font-size: 1rem;
            color: var(--text-mid);
            font-weight: 600;
            letter-spacing: 0;
        }
        .stat-label {
            font-size: .9rem;
            color: var(--text-light);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 480px) {
            .stat-number {
                font-size: 1.4rem;
            }
        }

        /* 卖点三连 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(30, 94, 255, .2);
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
            width: 56px;
            height: 56px;
            background: rgba(30, 94, 255, .08);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: .9rem;
            color: var(--text-mid);
            line-height: 1.8;
            margin: 0;
            flex-grow: 1;
        }
        .feature-card .feature-img {
            margin-top: 18px;
            border-radius: 10px;
            overflow: hidden;
            height: 140px;
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .feature-card:hover .feature-img img {
            transform: scale(1.03);
        }
        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .feature-card .feature-img {
                height: 110px;
            }
        }

        /* 场景演示 */
        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .scene-item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .scene-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .scene-item.reverse {
            direction: rtl;
        }
        .scene-item.reverse .scene-content {
            direction: ltr;
        }
        .scene-item .scene-img {
            min-height: 260px;
            overflow: hidden;
        }
        .scene-item .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .scene-item:hover .scene-img img {
            transform: scale(1.03);
        }
        .scene-content {
            padding: 32px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            direction: ltr;
        }
        .scene-tag {
            display: inline-block;
            background: rgba(255, 107, 44, .08);
            color: var(--accent);
            font-size: .78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            width: fit-content;
        }
        .scene-content h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .scene-content p {
            font-size: .92rem;
            color: var(--text-mid);
            line-height: 1.85;
            margin: 0;
        }
        @media (max-width: 768px) {
            .scene-item {
                grid-template-columns: 1fr;
            }
            .scene-item .scene-img {
                min-height: 160px;
                order: -1;
            }
            .scene-item.reverse {
                direction: ltr;
            }
            .scene-content {
                padding: 24px 20px;
            }
        }

        /* 社会认同 */
        .social-proof-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-stars {
            color: #FFB300;
            margin-bottom: 12px;
            font-size: .95rem;
        }
        .testimonial-text {
            font-size: .95rem;
            color: var(--text-mid);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(30, 94, 255, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .testimonial-user-info .name {
            font-weight: 600;
            color: var(--text-dark);
            font-size: .92rem;
        }
        .testimonial-user-info .role {
            font-size: .8rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .social-proof-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 对比差异 */
        .compare-table-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: .92rem;
        }
        .compare-table th {
            background: rgba(30, 94, 255, .04);
            padding: 16px 20px;
            font-weight: 700;
            color: var(--text-dark);
            text-align: left;
            border-bottom: 2px solid var(--border-light);
            font-size: .95rem;
        }
        .compare-table td {
            padding: 16px 20px;
            color: var(--text-mid);
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            background: rgba(30, 94, 255, .03);
            font-weight: 600;
            color: var(--text-dark);
        }
        .compare-table .check-icon {
            color: #00C853;
            margin-right: 6px;
        }
        .compare-table .dash {
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .compare-table-wrap {
                overflow-x: auto;
            }
            .compare-table {
                min-width: 600px;
            }
        }

        /* 资讯新闻 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-card .news-img {
            height: 180px;
            overflow: hidden;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .news-card:hover .news-img img {
            transform: scale(1.04);
        }
        .news-card .news-body {
            padding: 22px 22px 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: .8rem;
            color: var(--text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-date i {
            color: var(--primary);
            font-size: .75rem;
        }
        .news-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .news-card p {
            font-size: .88rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .btn-read-more {
            color: var(--primary);
            font-weight: 600;
            font-size: .88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            text-decoration: none;
            align-self: flex-start;
        }
        .btn-read-more:hover {
            color: var(--primary-deep);
            gap: 10px;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card .news-img {
                height: 150px;
            }
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-dark);
            font-weight: 600;
            padding: 18px 22px;
            font-size: .98rem;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(30, 94, 255, .04);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            border: none;
            outline: none;
        }
        .accordion-custom .accordion-button::after {
            filter: brightness(0.4);
        }
        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            color: var(--text-mid);
            font-size: .92rem;
            line-height: 1.85;
            background: rgba(247, 249, 252, .5);
        }

        /* 保障条 */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .safety-item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .safety-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .safety-item .safety-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .safety-item h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .safety-item p {
            font-size: .85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 768px) {
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .safety-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 专题入口 */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .topic-card .topic-img {
            height: 180px;
            overflow: hidden;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-body {
            padding: 20px 20px 18px;
        }
        .topic-card .topic-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .topic-card .topic-body p {
            font-size: .88rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .topic-link {
            color: var(--primary);
            font-weight: 600;
            font-size: .88rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .topic-link:hover {
            color: var(--primary-deep);
            gap: 10px;
        }
        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card .topic-img {
                height: 150px;
            }
        }

        /* CTA 订阅 */
        .cta-subscribe-card {
            background: linear-gradient(135deg, #1E5EFF 0%, #1447E6 100%);
            border-radius: 24px;
            padding: 48px 44px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-subscribe-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-subscribe-card p {
            color: rgba(255, 255, 255, .85);
            font-size: .95rem;
            line-height: 1.8;
            margin: 0;
        }
        .cta-subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, .3);
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: .95rem;
            transition: all var(--transition);
            outline: none;
        }
        .cta-subscribe-form input::placeholder {
            color: rgba(255, 255, 255, .6);
        }
        .cta-subscribe-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, .15);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .1);
        }
        .cta-subscribe-form .btn-white {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: .95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-subscribe-form .btn-white:hover,
        .cta-subscribe-form .btn-white:focus {
            background: #f0f0f0;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, .15);
        }
        @media (max-width: 768px) {
            .cta-subscribe-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 24px;
            }
            .cta-subscribe-card h3 {
                font-size: 1.3rem;
            }
            .cta-subscribe-form input {
                min-width: 100%;
            }
            .cta-subscribe-form .btn-white {
                width: 100%;
            }
        }

        /* 底部固定转化条 */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -6px 24px rgba(15, 35, 80, .10);
            z-index: 1050;
            padding: 14px 24px;
            transform: translateY(100%);
            transition: transform .35s ease;
        }
        .fixed-bottom-cta.show {
            transform: translateY(0);
        }
        .fixed-bottom-cta .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .fixed-bottom-cta .cta-text {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            flex: 1;
        }
        .fixed-bottom-cta .cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .fixed-bottom-cta .btn-accent {
            padding: 10px 24px;
            font-size: .95rem;
        }
        .fixed-bottom-cta .btn-close-cta {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 4px;
            transition: color var(--transition);
            line-height: 1;
        }
        .fixed-bottom-cta .btn-close-cta:hover {
            color: var(--text-dark);
        }
        @media (max-width: 576px) {
            .fixed-bottom-cta {
                padding: 10px 14px;
            }
            .fixed-bottom-cta .cta-text {
                font-size: .85rem;
            }
            .fixed-bottom-cta .btn-accent {
                padding: 8px 16px;
                font-size: .85rem;
            }
        }

        /* 页脚 */
        .footer-section {
            background: #0B1B3F;
            color: rgba(255, 255, 255, .7);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-section .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-section .footer-logo .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .footer-section .footer-desc {
            font-size: .9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-section h6 {
            color: #fff;
            font-weight: 700;
            font-size: .95rem;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .footer-section .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-links li {
            margin-bottom: 10px;
        }
        .footer-section .footer-links li a {
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .footer-section .footer-links li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-section .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            margin-top: 36px;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .4);
        }
        .footer-section .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            text-decoration: none;
        }
        .footer-section .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-section {
                padding: 36px 0 16px;
            }
            .footer-section .footer-logo {
                font-size: 1.3rem;
            }
        }

        /* 行业场景卡 */
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .industry-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: left;
        }
        .industry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(30, 94, 255, .15);
        }
        .industry-card .industry-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .industry-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .industry-card p {
            font-size: .88rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .industry-card .industry-entry {
            color: var(--primary);
            font-weight: 600;
            font-size: .88rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .industry-card .industry-entry:hover {
            color: var(--primary-deep);
            gap: 10px;
        }
        @media (max-width: 768px) {
            .industry-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 精选分类 */
        .category-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .category-pill {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 500;
            font-size: .9rem;
            color: var(--text-mid);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .category-pill:hover {
            background: rgba(30, 94, 255, .06);
            color: var(--primary);
            border-color: rgba(30, 94, 255, .3);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .category-pill i {
            color: var(--primary);
            font-size: .8rem;
        }

        /* 焦点可见性 */
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid rgba(30, 94, 255, .5);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #1E5EFF;
            --primary-deep: #1447E6;
            --accent: #FF6B2C;
            --accent-hover: #E85A22;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-dark: #0B1B3F;
            --text-mid: #3A4A6A;
            --text-light: #6B7C9A;
            --border-light: #E8EDF5;
            --shadow-sm: 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-md: 0 8px 24px rgba(15, 35, 80, .06), 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-lg: 0 20px 42px rgba(15, 35, 80, .10), 0 6px 18px rgba(15, 35, 80, .06);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 18px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', sans-serif;
            --transition: 0.2s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-mid);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-custom {
            padding: 0 16px;
        }

        /* ===== 导航 ===== */
        .header-wrap {
            position: relative;
            z-index: 1030;
            padding: 16px 24px 0;
        }
        .header-wrap .navbar {
            background: var(--bg-white);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-md);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid rgba(232, 237, 245, .7);
        }
        .header-wrap .navbar.sticky-active {
            box-shadow: var(--shadow-lg);
            border-radius: 0;
            padding: 8px 24px;
            margin: 0;
            border-left: none;
            border-right: none;
            border-top: none;
        }
        .navbar-brand .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-brand .logo-text .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            font-size: .95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(30, 94, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(30, 94, 255, .10);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
            font-size: .92rem;
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-dark);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            outline: none;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 32px 0 0;
        }
        .breadcrumb-bar {
            background: transparent;
            padding: 0;
            margin-bottom: 0;
            font-size: .88rem;
            color: var(--text-light);
        }
        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-bar .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-light);
            content: "/";
            padding: 0 8px;
        }

        /* ===== 分类页首屏 ===== */
        .category-header {
            padding: 28px 0 8px;
        }
        .category-header-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 36px 40px;
            border: 1px solid rgba(232, 237, 245, .8);
            position: relative;
            overflow: hidden;
        }
        .category-header-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-deep));
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .category-header-card h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .category-header-card .category-desc {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.8;
            max-width: 860px;
            margin-bottom: 0;
        }
        .category-header-card .category-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            font-size: .85rem;
            color: var(--text-light);
        }
        .category-header-card .category-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-header-card .category-meta i {
            color: var(--primary);
            font-size: .8rem;
        }

        /* ===== 板块通用样式 ===== */
        .section-spacing {
            padding: 44px 0;
        }
        .section-spacing-sm {
            padding: 28px 0;
        }
        .section-title-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title-wrap h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 0;
            letter-spacing: .3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title-wrap h2 .title-icon {
            color: var(--primary);
            font-size: 1.3rem;
        }
        .section-title-wrap .section-link {
            font-size: .9rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .section-title-wrap .section-link:hover {
            color: var(--primary-deep);
            gap: 10px;
        }

        /* ===== 新闻时间线 ===== */
        .news-timeline {
            position: relative;
        }
        .news-timeline::before {
            content: '';
            position: absolute;
            left: 32px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-light);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding-left: 80px;
            margin-bottom: 28px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item .timeline-dot {
            position: absolute;
            left: 24px;
            top: 18px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 4px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(30, 94, 255, .12);
            z-index: 1;
        }
        .timeline-item .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 22px 26px;
            border: 1px solid rgba(232, 237, 245, .6);
            transition: all var(--transition);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .timeline-item .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(30, 94, 255, .18);
        }
        .timeline-item .news-thumb {
            flex-shrink: 0;
            width: 180px;
            border-radius: 12px;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .timeline-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .timeline-item .news-card:hover .news-thumb img {
            transform: scale(1.04);
        }
        .timeline-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .timeline-item .news-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8rem;
            color: var(--text-light);
            background: var(--bg-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .timeline-item .news-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .timeline-item .news-content p {
            font-size: .9rem;
            color: var(--text-mid);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .timeline-item .read-more-link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }
        .timeline-item .read-more-link:hover {
            color: var(--primary-deep);
            gap: 8px;
        }

        /* ===== 订阅条 ===== */
        .subscribe-strip {
            background: linear-gradient(135deg, #FFFFFF 0%, #F0F4FF 100%);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 32px 36px;
            border: 1px solid rgba(232, 237, 245, .8);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-strip::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(30, 94, 255, .05);
            pointer-events: none;
        }
        .subscribe-strip .subscribe-text {
            flex: 1;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }
        .subscribe-strip .subscribe-text h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .subscribe-strip .subscribe-text p {
            font-size: .9rem;
            color: var(--text-mid);
            margin-bottom: 0;
        }
        .subscribe-strip .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .subscribe-strip .subscribe-form input {
            min-width: 220px;
            padding: 10px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            background: var(--bg-white);
            color: var(--text-dark);
            font-size: .92rem;
            transition: all var(--transition);
            outline: none;
        }
        .subscribe-strip .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .12);
        }
        .subscribe-strip .subscribe-form button {
            padding: 10px 26px;
            border: none;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: .92rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .subscribe-strip .subscribe-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 16px rgba(255, 107, 44, .3);
            transform: translateY(-1px);
        }
        .subscribe-strip .subscribe-form button:active {
            transform: translateY(0);
        }

        /* ===== 热门标签 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            color: var(--text-mid);
            font-size: .85rem;
            font-weight: 500;
            transition: all var(--transition);
            cursor: default;
        }
        .tag-cloud .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(30, 94, 255, .04);
            transform: translateY(-1px);
        }
        .tag-cloud .tag-item .tag-count {
            font-size: .75rem;
            color: var(--text-light);
            background: var(--bg-light);
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
        }
        .tag-cloud .tag-item.hot-tag {
            background: rgba(255, 107, 44, .07);
            border-color: rgba(255, 107, 44, .3);
            color: var(--accent);
        }
        .tag-cloud .tag-item.hot-tag .tag-count {
            background: rgba(255, 107, 44, .12);
            color: var(--accent);
        }

        /* ===== 数据速览 ===== */
        .stats-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-mini-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            border: 1px solid rgba(232, 237, 245, .6);
            text-align: center;
            transition: all var(--transition);
        }
        .stat-mini-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-mini-card .stat-number {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 4px;
        }
        .stat-mini-card .stat-number.stat-accent {
            color: var(--accent);
        }
        .stat-mini-card .stat-label {
            font-size: .85rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== 编辑推荐 ===== */
        .editor-rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .editor-rec-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid rgba(232, 237, 245, .6);
            transition: all var(--transition);
        }
        .editor-rec-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .editor-rec-card .rec-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .editor-rec-card .rec-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .editor-rec-card:hover .rec-card-img img {
            transform: scale(1.04);
        }
        .editor-rec-card .rec-card-body {
            padding: 18px 20px 20px;
        }
        .editor-rec-card .rec-card-tag {
            font-size: .75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(30, 94, 255, .08);
            padding: 3px 10px;
            border-radius: 10px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .editor-rec-card .rec-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .editor-rec-card .rec-card-body p {
            font-size: .87rem;
            color: var(--text-mid);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .editor-rec-card .rec-card-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }
        .editor-rec-card .rec-card-link:hover {
            color: var(--primary-deep);
            gap: 8px;
        }

        /* ===== 历史归档 ===== */
        .archive-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }
        .archive-month-card {
            background: var(--bg-white);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            padding: 16px 14px;
            text-align: center;
            border: 1px solid rgba(232, 237, 245, .6);
            transition: all var(--transition);
            cursor: default;
        }
        .archive-month-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(30, 94, 255, .18);
            transform: translateY(-2px);
        }
        .archive-month-card .archive-year {
            font-size: .75rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 2px;
        }
        .archive-month-card .archive-name {
            font-size: .95rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .archive-month-card .archive-count {
            font-size: .75rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 相关文章 ===== */
        .related-articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-article-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            border: 1px solid rgba(232, 237, 245, .6);
            transition: all var(--transition);
        }
        .related-article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .related-article-card .related-date {
            font-size: .8rem;
            color: var(--text-light);
            margin-bottom: 6px;
            display: block;
        }
        .related-article-card h3 {
            font-size: .98rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .related-article-card p {
            font-size: .85rem;
            color: var(--text-mid);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .related-article-card .related-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }
        .related-article-card .related-link:hover {
            color: var(--primary-deep);
            gap: 8px;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: #0B1B3F;
            color: #B8C4D9;
            padding: 56px 0 24px;
            margin-top: 48px;
        }
        .footer-section .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-section .footer-logo .logo-icon {
            color: var(--primary);
        }
        .footer-section .footer-desc {
            font-size: .9rem;
            line-height: 1.8;
            color: #9AABc9;
            max-width: 320px;
        }
        .footer-section h6 {
            color: #fff;
            font-weight: 700;
            font-size: .95rem;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .footer-section .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-links li {
            margin-bottom: 8px;
        }
        .footer-section .footer-links a {
            color: #9AABc9;
            font-size: .88rem;
            transition: color var(--transition);
        }
        .footer-section .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: .82rem;
            color: #7A8BAe;
        }
        .footer-bottom p {
            margin-bottom: 0;
        }
        .footer-bottom a {
            color: #9AABc9;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1200px) {
            .container-custom {
                max-width: 100%;
            }
            .stats-overview-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 992px) {
            .header-wrap {
                padding: 12px 12px 0;
            }
            .header-wrap .navbar {
                padding: 10px 16px;
                border-radius: 14px;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
            .section-spacing {
                padding: 32px 0;
            }
            .category-header-card {
                padding: 28px 24px;
            }
            .category-header-card h1 {
                font-size: 1.6rem;
            }
            .timeline-item {
                padding-left: 60px;
            }
            .news-timeline::before {
                left: 24px;
            }
            .timeline-item .timeline-dot {
                left: 16px;
                width: 14px;
                height: 14px;
                border-width: 3px;
            }
            .timeline-item .news-card {
                flex-direction: column;
                gap: 14px;
                padding: 18px 20px;
            }
            .timeline-item .news-thumb {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .editor-rec-grid,
            .related-articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .archive-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .stats-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .subscribe-strip .subscribe-form {
                width: 100%;
            }
            .subscribe-strip .subscribe-form input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .header-wrap {
                padding: 8px 8px 0;
            }
            .header-wrap .navbar {
                border-radius: 12px;
                padding: 8px 12px;
            }
            .navbar-brand .logo-text {
                font-size: 1.2rem;
            }
            .navbar-brand .logo-text .logo-icon {
                font-size: 1.4rem;
            }
            .breadcrumb-section {
                padding: 20px 0 0;
            }
            .category-header {
                padding: 20px 0 4px;
            }
            .category-header-card {
                padding: 20px 18px;
                border-radius: 14px;
            }
            .category-header-card h1 {
                font-size: 1.4rem;
            }
            .category-header-card .category-desc {
                font-size: .92rem;
                line-height: 1.75;
            }
            .section-spacing {
                padding: 24px 0;
            }
            .section-title-wrap h2 {
                font-size: 1.2rem;
            }
            .timeline-item {
                padding-left: 36px;
                margin-bottom: 20px;
            }
            .news-timeline::before {
                left: 18px;
            }
            .timeline-item .timeline-dot {
                left: 12px;
                width: 12px;
                height: 12px;
                border-width: 3px;
                box-shadow: 0 0 0 3px rgba(30, 94, 255, .12);
            }
            .timeline-item .news-card {
                padding: 14px 16px;
                border-radius: 12px;
            }
            .timeline-item .news-content h3 {
                font-size: .98rem;
            }
            .timeline-item .news-content p {
                font-size: .85rem;
            }
            .editor-rec-grid,
            .related-articles-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .archive-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .stats-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-mini-card {
                padding: 16px 12px;
            }
            .stat-mini-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-mini-card .stat-label {
                font-size: .75rem;
            }
            .subscribe-strip {
                padding: 18px 16px;
                border-radius: 14px;
            }
            .subscribe-strip .subscribe-form {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-strip .subscribe-form input {
                width: 100%;
                min-width: 0;
            }
            .subscribe-strip .subscribe-form button {
                width: 100%;
            }
            .footer-section {
                padding: 36px 0 18px;
                margin-top: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 12px;
            }
            .header-wrap {
                padding: 6px 4px 0;
            }
            .header-wrap .navbar {
                border-radius: 10px;
                padding: 6px 10px;
            }
            .category-header-card h1 {
                font-size: 1.25rem;
            }
            .category-header-card {
                padding: 16px 14px;
                border-radius: 12px;
            }
            .category-header-card .category-meta {
                gap: 10px;
                font-size: .78rem;
                flex-direction: column;
            }
            .timeline-item {
                padding-left: 0;
                margin-bottom: 16px;
            }
            .news-timeline::before {
                display: none;
            }
            .timeline-item .timeline-dot {
                display: none;
            }
            .timeline-item .news-card {
                padding: 12px 14px;
                gap: 10px;
            }
            .stats-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .archive-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tag-cloud {
                gap: 6px;
            }
            .tag-cloud .tag-item {
                padding: 4px 12px;
                font-size: .78rem;
            }
            .editor-rec-card .rec-card-body {
                padding: 14px 14px 16px;
            }
            .editor-rec-card .rec-card-body h3 {
                font-size: .92rem;
            }
            .related-article-card {
                padding: 14px 16px;
            }
            .related-article-card h3 {
                font-size: .9rem;
            }
            .section-title-wrap h2 {
                font-size: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E5EFF;
            --primary-deep: #1447E6;
            --accent: #FF6B2C;
            --accent-hover: #E85A22;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-dark: #0B1B3F;
            --text-mid: #3A4A6A;
            --text-light: #6B7C9A;
            --border-light: #E8EDF5;
            --shadow-sm: 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-md: 0 8px 24px rgba(15, 35, 80, .06), 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-lg: 0 20px 42px rgba(15, 35, 80, .10), 0 6px 18px rgba(15, 35, 80, .06);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 18px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', sans-serif;
            --transition: 0.2s ease;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-mid);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        /* 导航 */
        .header-wrap {
            position: relative;
            z-index: 1030;
            padding: 16px 24px 0;
        }
        .header-wrap .navbar {
            background: var(--bg-white);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-md);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid rgba(232, 237, 245, .7);
        }
        .header-wrap .navbar.sticky-active {
            box-shadow: var(--shadow-lg);
            border-radius: 0;
            padding: 8px 24px;
            margin: 0;
            border-left: none;
            border-right: none;
            border-top: none;
        }
        .navbar-brand .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-brand .logo-text .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            font-size: .95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(30, 94, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(30, 94, 255, .10);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
            font-size: .92rem;
            white-space: nowrap;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-dark);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            outline: none;
        }
        /* 面包屑 */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: var(--border-light);
        }
        .breadcrumb-nav .current {
            color: var(--text-mid);
            font-weight: 500;
        }
        /* 分类首屏 */
        .category-intro {
            padding: 28px 0 0;
        }
        .intro-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 32px 36px;
            border: 1px solid rgba(232, 237, 245, .7);
            position: relative;
            overflow: hidden;
        }
        .intro-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle at top right, rgba(30, 94, 255, .06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .intro-card h1 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .intro-card .intro-desc {
            font-size: .95rem;
            color: var(--text-mid);
            max-width: 760px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .intro-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: .82rem;
            color: var(--text-light);
            align-items: center;
        }
        .intro-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .intro-meta i {
            color: var(--primary);
        }
        /* 数据速览 */
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
        }
        .stat-icon.accent-bg {
            background: rgba(255, 107, 44, .08);
            color: var(--accent);
        }
        .stat-info .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.2;
        }
        .stat-info .stat-label {
            font-size: .82rem;
            color: var(--text-light);
        }
        /* 排名榜 */
        .rank-list-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .rank-item {
            background: var(--bg-white);
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .rank-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(30, 94, 255, .2);
        }
        .rank-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.15rem;
            flex-shrink: 0;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
        }
        .rank-badge.top1 {
            background: rgba(255, 215, 0, .18);
            color: #C79A00;
        }
        .rank-badge.top2 {
            background: rgba(192, 192, 192, .2);
            color: #6B7C9A;
        }
        .rank-badge.top3 {
            background: rgba(205, 127, 50, .16);
            color: #B86A2C;
        }
        .rank-thumb {
            width: 72px;
            height: 52px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .rank-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-info {
            flex: 1;
            min-width: 160px;
        }
        .rank-info .rank-title {
            font-weight: 700;
            color: var(--text-dark);
            font-size: .95rem;
            margin-bottom: 2px;
        }
        .rank-info .rank-sub {
            font-size: .78rem;
            color: var(--text-light);
        }
        .rank-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .metric-item {
            text-align: right;
        }
        .metric-item .metric-val {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
            line-height: 1.2;
        }
        .metric-item .metric-val.up {
            color: #0CA678;
        }
        .metric-item .metric-val.down {
            color: #E03131;
        }
        .metric-item .metric-label {
            font-size: .72rem;
            color: var(--text-light);
        }
        .rank-more-btn {
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            color: var(--text-mid);
            font-weight: 500;
            font-size: .88rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .rank-more-btn:hover {
            background: rgba(30, 94, 255, .05);
            border-color: rgba(30, 94, 255, .3);
            color: var(--primary);
        }
        .rank-more-btn:focus {
            outline: 2px solid rgba(30, 94, 255, .3);
            outline-offset: 2px;
        }
        .rank-hidden {
            display: none;
        }
        /* 指标说明 */
        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
            height: 100%;
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-card .mc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            margin-bottom: 14px;
        }
        .metric-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .metric-card p {
            font-size: .85rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
        }
        /* 更新说明 */
        .update-timeline {
            position: relative;
            padding-left: 28px;
        }
        .update-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-light);
        }
        .update-item {
            position: relative;
            padding-bottom: 22px;
        }
        .update-item:last-child {
            padding-bottom: 0;
        }
        .update-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
        }
        .update-item .ui-time {
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 3px;
        }
        .update-item .ui-text {
            font-size: .88rem;
            color: var(--text-mid);
        }
        /* 数据来源 */
        .source-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 28px 30px;
        }
        .source-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .source-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: var(--text-mid);
        }
        .source-list li i {
            color: var(--primary);
            flex-shrink: 0;
        }
        .source-note {
            font-size: .8rem;
            color: var(--text-light);
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        /* 相关推荐 */
        .rec-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .rec-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .rec-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .rec-body h3 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .rec-body p {
            font-size: .82rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .rec-link {
            font-size: .82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .rec-link:hover {
            color: var(--primary-deep);
        }
        /* CTA 横条 */
        .cta-strip {
            background: linear-gradient(135deg, #F0F4FF 0%, #E8F0FF 100%);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            border: 1px solid rgba(30, 94, 255, .1);
        }
        .cta-strip .cta-text h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .cta-strip .cta-text p {
            font-size: .85rem;
            color: var(--text-mid);
            margin-bottom: 0;
        }
        .btn-custom-primary {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: .9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-custom-primary:hover,
        .btn-custom-primary:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .btn-custom-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        /* 页脚 */
        .footer-section {
            background: #0B1B3F;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 28px;
            margin-top: 72px;
        }
        .footer-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            color: var(--primary);
        }
        .footer-desc {
            font-size: .85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 300px;
        }
        .footer-section h6 {
            color: #fff;
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: .82rem;
            color: rgba(255, 255, 255, .65);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            text-align: center;
            font-size: .8rem;
            color: rgba(255, 255, 255, .55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* 响应式 */
        @media (max-width: 1200px) {
            .container-custom {
                padding: 0 20px;
            }
            .intro-card {
                padding: 26px 28px;
            }
        }
        @media (max-width: 992px) {
            .header-wrap .navbar {
                padding: 10px 16px;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
            .intro-card h1 {
                font-size: 1.55rem;
            }
            .rank-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .rank-thumb {
                width: 60px;
                height: 44px;
            }
            .rank-badge {
                width: 36px;
                height: 36px;
                font-size: .95rem;
                border-radius: 10px;
            }
            section {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            .header-wrap {
                padding: 8px 8px 0;
            }
            .header-wrap .navbar {
                border-radius: 12px;
                padding: 8px 12px;
            }
            .intro-card {
                padding: 22px 20px;
            }
            .intro-card h1 {
                font-size: 1.3rem;
            }
            .rank-item {
                flex-wrap: wrap;
            }
            .rank-info {
                min-width: 100%;
                order: 2;
            }
            .rank-metrics {
                order: 3;
                width: 100%;
                gap: 12px;
                justify-content: space-between;
            }
            .metric-item {
                text-align: left;
            }
            .cta-strip {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            section {
                padding: 44px 0;
            }
            .stat-card {
                padding: 18px 16px;
            }
            .stat-info .stat-num {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 12px;
            }
            .intro-card {
                padding: 18px 16px;
            }
            .intro-card h1 {
                font-size: 1.15rem;
            }
            .intro-desc {
                font-size: .85rem;
            }
            .rank-item {
                padding: 12px;
                gap: 10px;
            }
            .rank-thumb {
                width: 52px;
                height: 38px;
            }
            .rank-badge {
                width: 32px;
                height: 32px;
                font-size: .85rem;
            }
            .metric-item .metric-val {
                font-size: .88rem;
            }
            .metric-item .metric-label {
                font-size: .68rem;
            }
            .stat-card {
                flex-direction: row;
                align-items: center;
            }
            .stat-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
                border-radius: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E5EFF;
            --primary-deep: #1447E6;
            --accent: #FF6B2C;
            --accent-hover: #E85A22;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-dark: #0B1B3F;
            --text-mid: #3A4A6A;
            --text-light: #6B7C9A;
            --border-light: #E8EDF5;
            --shadow-sm: 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-md: 0 8px 24px rgba(15, 35, 80, .06), 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-lg: 0 20px 42px rgba(15, 35, 80, .10), 0 6px 18px rgba(15, 35, 80, .06);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 18px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', sans-serif;
            --transition: 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-mid);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-space {
            padding: 72px 0;
        }
        .bg-light-soft {
            background: var(--bg-light);
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-dark);
            margin: 6px 0 10px;
            line-height: 1.3;
        }
        .section-heading p {
            color: var(--text-light);
            font-size: 1rem;
            max-width: 650px;
            margin: 0;
        }
        .section-tag {
            display: inline-block;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            font-weight: 600;
            font-size: .8rem;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: .5px;
        }
        /* 导航 */
        .header-wrap {
            position: relative;
            z-index: 1030;
            padding: 16px 24px 0;
        }
        .header-wrap .navbar {
            background: var(--bg-white);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-md);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid rgba(232, 237, 245, .7);
        }
        .header-wrap .navbar.sticky-active {
            box-shadow: var(--shadow-lg);
            border-radius: 0;
            padding: 8px 24px;
            margin: 0;
            border-left: none;
            border-right: none;
            border-top: none;
        }
        .navbar-brand .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-brand .logo-text .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            font-size: .95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(30, 94, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(30, 94, 255, .10);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
            font-size: .92rem;
            white-space: nowrap;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-dark);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            outline: none;
        }
        @media (max-width: 991.98px) {
            .header-wrap .navbar {
                padding: 10px 16px;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .header-wrap {
                padding: 8px 8px 0;
            }
            .header-wrap .navbar {
                border-radius: 12px;
                padding: 8px 12px;
            }
            .section-space {
                padding: 44px 0;
            }
        }
        /* 按钮 */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(30, 94, 255, .25);
            transform: translateY(-1px);
        }
        .btn-outline-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(30, 94, 255, .15);
        }
        .btn-link-custom {
            background: none;
            border: none;
            color: var(--primary);
            font-weight: 600;
            padding: 0;
            transition: color var(--transition);
        }
        .btn-link-custom:hover,
        .btn-link-custom:focus {
            color: var(--primary-deep);
            text-decoration: underline;
        }
        .btn-filter {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            color: var(--text-mid);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 500;
            font-size: .85rem;
            transition: all var(--transition);
        }
        .btn-filter:hover,
        .btn-filter:focus {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(30, 94, 255, .04);
        }
        .btn-filter.active {
            background: rgba(30, 94, 255, .10);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }
        /* 面包屑 */
        .breadcrumb {
            margin-bottom: 16px;
        }
        .breadcrumb-item a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-item.active {
            color: var(--text-mid);
            font-weight: 500;
        }
        /* 分类首屏 */
        .page-hero {
            background: linear-gradient(135deg, #fff 0%, #F0F4FF 100%);
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            padding: 0;
            border: 1px solid rgba(232, 237, 245, .8);
            margin: 24px 0 0;
        }
        .page-hero .container-custom {
            padding: 52px 48px;
        }
        .h1-main {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .lead-text {
            font-size: 1.05rem;
            color: var(--text-mid);
            margin-bottom: 28px;
            max-width: 650px;
        }
        .hero-figure img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 991.98px) {
            .page-hero .container-custom {
                padding: 36px 28px;
            }
            .h1-main {
                font-size: 2rem;
            }
        }
        @media (max-width: 575.98px) {
            .page-hero .container-custom {
                padding: 24px 16px;
            }
            .h1-main {
                font-size: 1.6rem;
            }
            .lead-text {
                font-size: .95rem;
            }
        }
        /* 卡片通用 */
        .card {
            border: 1px solid rgba(232, 237, 245, .7);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            background: var(--bg-white);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        /* 攻略卡片横向 */
        .strategy-card.horizontal-card .row {
            min-height: 220px;
        }
        .strategy-card.horizontal-card .card-img-top {
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }
        .strategy-card.horizontal-card.reverse .card-img-top {
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
        }
        .strategy-card .card-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .bg-primary-soft {
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            font-weight: 600;
            font-size: .75rem;
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
        }
        .card-meta span:not(.badge) {
            color: var(--text-light);
            font-size: .85rem;
        }
        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-text {
            color: var(--text-mid);
            font-size: .95rem;
            margin-bottom: 14px;
        }
        @media (max-width: 767.98px) {
            .strategy-card.horizontal-card .card-img-top {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                height: 200px;
            }
            .strategy-card.horizontal-card.reverse .card-img-top {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }
            .strategy-card .card-body {
                padding: 20px;
            }
        }
        /* 筛选条 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        /* 阅读指引 */
        .guide-step {
            padding: 28px 24px;
            height: 100%;
            text-align: left;
        }
        .step-number {
            font-size: 2rem;
            font-weight: 800;
            color: rgba(30, 94, 255, .25);
            line-height: 1;
            margin-bottom: 12px;
        }
        .guide-step h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .guide-step p {
            color: var(--text-mid);
            font-size: .9rem;
            margin: 0;
        }
        /* 策略要点 */
        .point-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 18px;
            color: var(--text-mid);
            font-size: .95rem;
        }
        .point-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        /* 作者精选 */
        .featured-pick {
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-pick img {
            height: 260px;
            object-fit: cover;
            width: 100%;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .featured-pick .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-pick h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .featured-pick p {
            color: var(--text-mid);
            font-size: .9rem;
            margin-bottom: 16px;
            flex: 1;
        }
        .featured-pick.small {
            border-left: 4px solid var(--accent);
            padding: 24px;
            background: rgba(255, 107, 44, .03);
        }
        .featured-pick.small h3 {
            font-size: 1.05rem;
        }
        /* 相关专题 */
        .topic-card {
            display: block;
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .topic-img img {
            height: 190px;
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .topic-body {
            padding: 20px 24px;
        }
        .topic-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .topic-body p {
            color: var(--text-mid);
            font-size: .88rem;
            margin: 0;
        }
        /* CTA 横条 */
        .cta-card {
            background: linear-gradient(135deg, rgba(30, 94, 255, .04), rgba(30, 94, 255, .08));
            border-radius: 24px;
            padding: 48px 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(232, 237, 245, .8);
        }
        .cta-card h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .cta-card p {
            color: var(--text-mid);
            margin: 0;
        }
        .subscribe-form .input-group {
            background: #fff;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .subscribe-form .form-control {
            border: none;
            background: transparent;
            padding: 12px 16px;
            font-size: .95rem;
            color: var(--text-dark);
            box-shadow: none;
        }
        .subscribe-form .form-control:focus {
            outline: none;
            box-shadow: none;
        }
        .subscribe-form .btn {
            border: none;
            border-left: 1px solid var(--border-light);
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            padding: 12px 24px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
        }
        .subscribe-form .btn:hover {
            background: var(--accent-hover);
        }
        .form-text {
            display: block;
            margin-top: 8px;
            font-size: .78rem;
            color: var(--text-light);
        }
        @media (max-width: 767.98px) {
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.4rem;
            }
            .subscribe-form .input-group {
                flex-direction: column;
                border-radius: var(--radius-card);
            }
            .subscribe-form .btn {
                border-left: none;
                border-radius: 0 0 var(--radius-btn) var(--radius-btn) 0;
                width: 100%;
                border-radius: 0 0 var(--radius-btn) var(--radius-btn);
            }
            .subscribe-form .form-control {
                border-bottom: 1px solid var(--border-light);
                width: 100%;
                border-radius: var(--radius-btn) var(--radius-btn) 0 0;
            }
        }
        /* 页脚 */
        .footer-section {
            background: var(--text-dark);
            color: rgba(255, 255, 255, .72);
            padding: 56px 0 24px;
            margin-top: 24px;
        }
        .footer-section .container-custom {
            max-width: 1200px;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .footer-desc {
            font-size: .9rem;
            line-height: 1.6;
            max-width: 300px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-section h6 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom p {
            margin: 0;
        }
        @media (max-width: 575.98px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* 工具类 */
        .object-fit-cover {
            object-fit: cover;
        }
        .height-100 {
            height: 100%;
        }
        .rounded-4 {
            border-radius: 1rem !important;
        }
        .shadow-sm {
            box-shadow: var(--shadow-sm) !important;
        }
        .bg-light {
            background-color: var(--bg-light) !important;
        }
        .bg-white {
            background-color: var(--bg-white) !important;
        }
        .text-center {
            text-align: center !important;
        }
        .mt-4 {
            margin-top: 1.5rem !important;
        }
        .mb-4 {
            margin-bottom: 1.5rem !important;
        }
        .g-4 {
            --bs-gutter-x: 1.5rem;
        }
        /* 无障碍焦点 */
        .btn:focus,
        .btn-accent:focus,
        .btn-outline-primary:focus,
        .btn-filter:focus,
        .nav-link:focus,
        .form-control:focus {
            outline: 3px solid rgba(30, 94, 255, .25);
            outline-offset: 2px;
        }
        a:focus-visible {
            outline: 3px solid rgba(30, 94, 255, .35);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --primary: #1E5EFF;
            --primary-deep: #1447E6;
            --accent: #FF6B2C;
            --accent-hover: #E85A22;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-dark: #0B1B3F;
            --text-mid: #3A4A6A;
            --text-light: #6B7C9A;
            --border-light: #E8EDF5;
            --shadow-sm: 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-md: 0 8px 24px rgba(15, 35, 80, .06), 0 2px 8px rgba(15, 35, 80, .05);
            --shadow-lg: 0 20px 42px rgba(15, 35, 80, .10), 0 6px 18px rgba(15, 35, 80, .06);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 18px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', sans-serif;
            --transition: 0.2s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-mid);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

        button, input {
            font-family: inherit;
            font-size: inherit;
        }

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

        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .header-wrap {
            position: relative;
            z-index: 1030;
            padding: 16px 24px 0;
        }
        .header-wrap .navbar {
            background: var(--bg-white);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-md);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid rgba(232, 237, 245, .7);
        }
        .header-wrap .navbar.sticky-active {
            box-shadow: var(--shadow-lg);
            border-radius: 0;
            padding: 8px 24px;
            margin: 0;
            border-left: none;
            border-right: none;
            border-top: none;
        }
        .navbar-brand .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-brand .logo-text .logo-icon {
            color: var(--primary);
            font-size: 1.7rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            font-size: .95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(30, 94, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(30, 94, 255, .10);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
            font-size: .92rem;
            white-space: nowrap;
            display: inline-block;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 107, 44, .25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-dark);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            outline: none;
        }

        @media (max-width: 991px) {
            .header-wrap .navbar {
                padding: 10px 16px;
            }
            .navbar-collapse {
                margin-top: 10px;
            }
            .nav-cta {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .header-wrap {
                padding: 8px 8px 0;
            }
            .header-wrap .navbar {
                border-radius: 12px;
                padding: 8px 12px;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 32px 0 0;
        }
        .breadcrumb-custom {
            background: transparent;
            margin-bottom: 0;
            padding: 0;
            font-size: .88rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-custom a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-deep);
            text-decoration: underline;
        }
        .breadcrumb-custom .separator {
            color: var(--text-light);
        }
        .breadcrumb-custom .current {
            color: var(--text-mid);
            font-weight: 600;
        }

        /* ===== 分类页首部 ===== */
        .page-hero-section {
            padding: 32px 0 48px;
        }
        .page-hero-card {
            background: var(--bg-white);
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            padding: 40px 44px;
            border: 1px solid rgba(232, 237, 245, .7);
            position: relative;
            overflow: hidden;
        }
        .page-hero-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }
        .page-hero-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .page-hero-desc {
            font-size: 1rem;
            color: var(--text-mid);
            max-width: 860px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .page-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .page-hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .85rem;
            color: var(--text-light);
            background: var(--bg-light);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 500;
        }
        .page-hero-meta .meta-item i {
            color: var(--primary);
            font-size: .8rem;
        }

        @media (max-width: 768px) {
            .page-hero-card {
                padding: 28px 24px;
            }
            .page-hero-title {
                font-size: 1.6rem;
            }
            .page-hero-desc {
                font-size: .93rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 48px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-title {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: .3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title .title-icon {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .section-subtitle {
            font-size: .95rem;
            color: var(--text-light);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .section-divider {
            height: 1px;
            background: var(--border-light);
            margin: 12px 0 36px;
            position: relative;
        }
        .section-divider::after {
            content: '';
            position: absolute;
            top: -2px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* ===== 公告摘要卡片 ===== */
        .notice-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 26px;
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
            position: relative;
        }
        .notice-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(30, 94, 255, .2);
        }
        .notice-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: .78rem;
            font-weight: 600;
            margin-bottom: 12px;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
        }
        .notice-badge.accent {
            background: rgba(255, 107, 44, .1);
            color: var(--accent);
        }
        .notice-badge.green {
            background: rgba(34, 177, 76, .1);
            color: #22B14C;
        }
        .notice-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .notice-card-text {
            font-size: .9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .notice-card-date {
            font-size: .8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .notice-card-date i {
            color: var(--primary);
        }

        /* ===== 品牌时间轴 ===== */
        .timeline-wrapper {
            position: relative;
            padding-left: 0;
        }
        .timeline-item {
            position: relative;
            padding-left: 80px;
            padding-bottom: 36px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 32px;
            top: 8px;
            bottom: -4px;
            width: 2px;
            background: var(--border-light);
        }
        .timeline-item:last-child::before {
            bottom: auto;
            height: 100%;
        }
        .timeline-item .tl-date-badge {
            position: absolute;
            left: 0;
            top: 4px;
            width: 64px;
            text-align: center;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 8px 4px;
            box-shadow: var(--shadow-sm);
            z-index: 1;
        }
        .timeline-item .tl-date-badge .tl-day {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .timeline-item .tl-date-badge .tl-month {
            font-size: .72rem;
            color: var(--text-light);
            font-weight: 600;
            text-transform: uppercase;
            display: block;
        }
        .timeline-item .tl-dot {
            position: absolute;
            left: 28px;
            top: 10px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            z-index: 2;
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .2);
        }
        .timeline-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 22px 26px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(30, 94, 255, .15);
        }
        .timeline-card .tl-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            margin-bottom: 10px;
        }
        .timeline-card .tl-tag.orange {
            background: rgba(255, 107, 44, .1);
            color: var(--accent);
        }
        .timeline-card .tl-tag.purple {
            background: rgba(124, 77, 255, .1);
            color: #7C4DFF;
        }
        .timeline-card .tl-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .timeline-card .tl-desc {
            font-size: .9rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .timeline-item {
                padding-left: 64px;
                padding-bottom: 28px;
            }
            .timeline-item::before {
                left: 27px;
            }
            .timeline-item .tl-dot {
                left: 23px;
            }
            .timeline-item .tl-date-badge {
                width: 52px;
                padding: 6px 2px;
                left: 0;
            }
            .timeline-item .tl-date-badge .tl-day {
                font-size: 1rem;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .timeline-card .tl-title {
                font-size: .92rem;
            }
            .timeline-card .tl-desc {
                font-size: .83rem;
            }
        }
        @media (max-width: 576px) {
            .timeline-item {
                padding-left: 52px;
                padding-bottom: 22px;
            }
            .timeline-item::before {
                left: 21px;
            }
            .timeline-item .tl-dot {
                left: 17px;
                width: 8px;
                height: 8px;
                top: 8px;
            }
            .timeline-item .tl-date-badge {
                width: 42px;
                font-size: .65rem;
                left: 0;
                border-radius: 8px;
            }
            .timeline-item .tl-date-badge .tl-day {
                font-size: .9rem;
            }
            .timeline-item .tl-date-badge .tl-month {
                font-size: .6rem;
            }
        }

        /* ===== 活动入口 ===== */
        .activity-banner {
            background: linear-gradient(135deg, #0B1B3F 0%, #1E5EFF 60%, #1447E6 100%);
            border-radius: 20px;
            padding: 40px 44px;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .activity-banner::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            pointer-events: none;
        }
        .activity-banner::before {
            content: '';
            position: absolute;
            right: 20px;
            bottom: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 107, 44, .25);
            pointer-events: none;
        }
        .activity-banner .ab-tag {
            display: inline-block;
            font-size: .8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 16px;
            background: rgba(255, 255, 255, .15);
            color: #fff;
            margin-bottom: 14px;
            width: fit-content;
            position: relative;
            z-index: 1;
        }
        .activity-banner .ab-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .activity-banner .ab-desc {
            font-size: .93rem;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
        }
        .activity-banner .ab-btn {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: .9rem;
            transition: all var(--transition);
            width: fit-content;
            position: relative;
            z-index: 1;
        }
        .activity-banner .ab-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 20px rgba(255, 107, 44, .45);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .activity-banner {
                padding: 28px 24px;
                min-height: auto;
            }
            .activity-banner .ab-title {
                font-size: 1.25rem;
            }
            .activity-banner .ab-desc {
                font-size: .85rem;
            }
        }

        /* ===== 品牌服务点 ===== */
        .service-item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(30, 94, 255, .2);
        }
        .service-item .si-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(30, 94, 255, .08);
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .service-item .si-icon.orange {
            background: rgba(255, 107, 44, .1);
            color: var(--accent);
        }
        .service-item .si-icon.purple {
            background: rgba(124, 77, 255, .1);
            color: #7C4DFF;
        }
        .service-item .si-icon.green {
            background: rgba(34, 177, 76, .1);
            color: #22B14C;
        }
        .service-item .si-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .service-item .si-desc {
            font-size: .87rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 相关资讯列表 ===== */
        .related-list {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .related-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .related-list-item:last-child {
            border-bottom: none;
        }
        .related-list-item:hover {
            background: rgba(30, 94, 255, .04);
        }
        .related-list-item .rl-left {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 0;
        }
        .related-list-item .rl-date {
            font-size: .78rem;
            color: var(--text-light);
            background: var(--bg-light);
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .related-list-item .rl-title {
            font-size: .92rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .related-list-item .rl-arrow {
            color: var(--text-light);
            font-size: .85rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .related-list-item:hover .rl-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }

        @media (max-width: 576px) {
            .related-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .related-list-item .rl-title {
                white-space: normal;
            }
        }

        /* ===== CTA 横条 ===== */
        .cta-strip {
            background: linear-gradient(135deg, #F0F4FF 0%, #F7F9FC 100%);
            border-radius: 20px;
            padding: 36px 40px;
            border: 1px solid rgba(30, 94, 255, .12);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-strip .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-strip .cta-text h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .cta-strip .cta-text p {
            font-size: .92rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-strip .cta-btn {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: .95rem;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .cta-strip .cta-btn:hover,
        .cta-strip .cta-btn:focus {
            background: var(--accent-hover);
            box-shadow: 0 8px 24px rgba(255, 107, 44, .4);
            transform: translateY(-2px);
        }
        .cta-strip .cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(255, 107, 44, .3);
        }

        @media (max-width: 768px) {
            .cta-strip {
                padding: 24px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-strip .cta-btn {
                width: 100%;
                text-align: center;
                padding: 12px 24px;
            }
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: #0B1B3F;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 0;
            margin-top: 48px;
        }
        .footer-section .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 14px;
        }
        .footer-section .footer-logo .logo-icon {
            color: #6B9FFF;
            font-size: 1.5rem;
        }
        .footer-section .footer-desc {
            font-size: .88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }
        .footer-section h6 {
            color: #fff;
            font-weight: 700;
            font-size: .95rem;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }
        .footer-section .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-links li {
            margin-bottom: 8px;
        }
        .footer-section .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: .88rem;
            transition: color var(--transition);
        }
        .footer-section .footer-links a:hover {
            color: #fff;
        }
        .footer-section .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
        }
        .footer-section .footer-bottom a {
            color: rgba(255, 255, 255, .65);
            font-size: .85rem;
        }
        .footer-section .footer-bottom a:hover {
            color: #fff;
        }
        .footer-section .footer-bottom p {
            margin-bottom: 4px;
        }

        @media (max-width: 768px) {
            .footer-section {
                padding: 40px 0 0;
                margin-top: 32px;
            }
            .footer-section .footer-desc {
                max-width: 100%;
            }
            .footer-section h6 {
                margin-top: 12px;
                margin-bottom: 10px;
            }
        }

        /* ===== 焦点可见 ===== */
        a:focus-visible,
        button:focus-visible,
        .nav-cta:focus-visible,
        .cta-btn:focus-visible,
        .ab-btn:focus-visible {
            outline: 3px solid rgba(30, 94, 255, .45);
            outline-offset: 2px;
        }

        /* ===== 按钮统一 ===== */
        .btn-custom {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: .9rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-custom:hover,
        .btn-custom:focus {
            background: var(--accent-hover);
            box-shadow: 0 6px 18px rgba(255, 107, 44, .35);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 8px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: .9rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(30, 94, 255, .3);
        }

/* 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}