/* roulang page: index */
:root {
            --primary: #d4281e;
            --primary-dark: #b01f16;
            --secondary: #1f2a44;
            --accent: #f5b81b;
            --bg: #f7f5f0;
            --bg-white: #ffffff;
            --bg-dark: #151a25;
            --text: #1d1d1f;
            --text-light: #6e6e73;
            --text-white: #ffffff;
            --border: #e5e2da;
            --border-light: #efede8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button, .button {
            cursor: pointer;
            font-family: var(--font-sans);
            transition: all var(--transition);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 顶部促销条 ===== */
        .topbar {
            background: var(--bg-dark);
            color: #f3e9d2;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .topbar__notice {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar__notice .icon {
            color: var(--accent);
            font-size: 14px;
        }

        .topbar__links {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        .topbar__links a {
            color: #d5cfc0;
            font-size: 12px;
        }

        .topbar__links a:hover {
            color: #ffffff;
        }

        /* ===== 主导航栏 ===== */
        .header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header__logo .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(212,40,30,0.25);
        }

        .header__logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .header__logo .logo-text span {
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-main li a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .nav-main li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .nav-main li a:hover::after,
        .nav-main li a.is-active::after {
            width: 100%;
        }

        .nav-main li a:hover,
        .nav-main li a.is-active {
            color: var(--primary);
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 190px;
            padding: 9px 36px 9px 16px;
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            outline: none;
            background: var(--bg);
            transition: all var(--transition);
        }

        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212,40,30,0.08);
            background: #fff;
            width: 230px;
        }

        .search-box button {
            position: absolute;
            right: 4px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 14px;
            padding: 6px;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff5f4;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(212,40,30,0.25);
            transition: all var(--transition);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(212,40,30,0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--secondary);
            border: 1.5px solid var(--secondary);
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            transform: translateY(-1px);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0,0,0,0.15);
            transition: all var(--transition);
        }

        .btn-light:hover {
            background: #f5f0e8;
            transform: translateY(-1px);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.4);
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.7);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 18px;
            color: var(--text);
        }

        .mobile-nav {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 20px;
            gap: 10px;
            flex-wrap: wrap;
            flex-direction: column;
        }

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

        .mobile-nav a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

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

        /* ===== Hero 前后对比首屏 ===== */
        .hero {
            background: var(--bg-white);
            padding: 60px 0 60px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at top right, #fef0ec 0%, transparent 55%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero__grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff0ee;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            border: 1px solid #f5d5d1;
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.30;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .hero__intro {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero__cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero__data-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero__data-item {
            display: flex;
            flex-direction: column;
        }

        .hero__data-item .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
        }

        .hero__data-item .label {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Hero Before/After 对比面板 */
        .compare-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            position: relative;
        }

        .compare-panel::before {
            content: 'VS';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 800;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 5;
            box-shadow: 0 4px 16px rgba(212,40,30,0.35);
        }

        .compare-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }

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

        .compare-card--before {
            border: 1.5px solid #e8e5df;
            background: #faf9f7;
        }

        .compare-card--after {
            border: 2px solid var(--primary);
            background: #fff8f7;
        }

        .compare-card__image {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .compare-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .compare-card__image .overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }

        .overlay-badge--before {
            background: #e0ddd6;
            color: #6b675e;
        }

        .overlay-badge--after {
            background: var(--primary);
            color: #fff;
        }

        .compare-card__body {
            padding: 16px;
        }

        .compare-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .compare-card__desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .compare-card__list {
            list-style: none;
            margin: 10px 0 0;
            padding: 0;
        }

        .compare-card__list li {
            font-size: 12px;
            color: var(--text-light);
            padding: 4px 0 4px 18px;
            position: relative;
        }

        .compare-card__list li::before {
            content: '\f00d';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 5px;
            font-size: 10px;
            color: #c0392b;
        }

        .compare-card--after .compare-card__list li::before {
            content: '\f00c';
            color: #27ae60;
        }

        /* ===== KPI 看板 ===== */
        .kpi {
            background: var(--bg-dark);
            padding: 36px 0;
        }

        .kpi__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
            text-align: center;
        }

        .kpi__item .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
        }

        .kpi__item .label {
            font-size: 13px;
            color: #bdc3c7;
            margin-top: 4px;
        }

        /* ===== 服务矩阵 ===== */
        .services {
            background: var(--bg-white);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 10px;
        }

        .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--primary);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
            max-width: 640px;
            margin-bottom: 36px;
        }

        .services__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all var(--transition);
            text-align: center;
        }

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

        .service-card__icon {
            width: 52px;
            height: 52px;
            background: #fff0ee;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .service-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== 结果对比 ===== */
        .result-compare {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .result-compare__container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .result-block {
            padding: 28px;
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .result-block--before {
            border-left: 4px solid #bdc3c7;
        }

        .result-block--after {
            border-left: 4px solid #27ae60;
            background: #fafffa;
        }

        .result-block__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .result-block ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .result-block ul li {
            font-size: 14px;
            color: var(--text);
            padding: 8px 0 8px 26px;
            position: relative;
            border-bottom: 1px solid var(--border-light);
        }

        .result-block ul li:last-child {
            border-bottom: none;
        }

        .result-block ul li::before {
            content: '\f057';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 9px;
            font-size: 13px;
            color: #e74c3c;
        }

        .result-block--after ul li::before {
            content: '\f058';
            color: #27ae60;
        }

        /* ===== 里程碑 ===== */
        .milestones {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .milestones__timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .milestone-item {
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }

        .milestone-item::before {
            content: '';
            position: absolute;
            top: 38px;
            left: calc(50% + 42px);
            width: calc(100% - 84px);
            height: 2px;
            background: var(--border);
        }

        .milestone-item:last-child::before {
            display: none;
        }

        .milestone-item__dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            box-shadow: 0 4px 14px rgba(212,40,30,0.25);
            position: relative;
            z-index: 2;
        }

        .milestone-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .milestone-item p {
            font-size: 12px;
            color: var(--text-light);
            margin: 0;
        }

        /* ===== 资讯区 ===== */
        .news {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .news__layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .news__featured {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .news__featured-img {
            height: 260px;
            overflow: hidden;
        }

        .news__featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news__featured-body {
            padding: 24px;
        }

        .news__featured-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 8px;
        }

        .news__featured-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .news__featured-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .news__list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item__thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .news-item__body {
            flex: 1;
        }

        .news-item__meta {
            font-size: 11px;
            color: var(--text-light);
            display: flex;
            gap: 10px;
            margin-bottom: 4px;
        }

        .news-item h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0;
            line-height: 1.5;
        }

        .empty-state {
            color: var(--text-light);
            font-size: 15px;
            padding: 30px;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }

        /* ===== 平台保障 ===== */
        .guarantee {
            background: var(--bg-dark);
            padding: 56px 0;
            color: #fff;
        }

        .guarantee .section-title {
            color: #fff;
        }

        .guarantee .section-desc {
            color: #aab2c0;
        }

        .guarantee__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .guarantee-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .guarantee-card:hover {
            background: rgba(255,255,255,0.10);
            border-color: rgba(255,255,255,0.2);
        }

        .guarantee-card__icon {
            width: 48px;
            height: 48px;
            background: rgba(245,184,27,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 18px;
            color: var(--accent);
        }

        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .guarantee-card p {
            font-size: 12px;
            color: #aab2c0;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .faq__list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: #d5cfc5;
        }

        .faq-item__q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            background: #fcfbfa;
            border: none;
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            text-align: left;
            cursor: pointer;
        }

        .faq-item__q i {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
        }

        .faq-item__a {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.85;
            display: none;
        }

        .faq-item.is-open .faq-item__a {
            display: block;
        }

        .faq-item.is-open .faq-item__q i {
            transform: rotate(180deg);
        }

        /* ===== 节日战役区 ===== */
        .campaign {
            background: #fff;
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
        }

        .campaign__card {
            background: linear-gradient(135deg, #fff0ee 0%, #ffe9e2 45%, #fef5e8 100%);
            border-radius: var(--radius-lg);
            padding: 34px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            border: 1px solid #f7d9d3;
        }

        .campaign__text h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .campaign__text p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            max-width: 500px;
        }

        .campaign__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ===== 案例故事 ===== */
        .case-story {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .case-story__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .case-card__img {
            height: 200px;
            overflow: hidden;
        }

        .case-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card__body {
            padding: 22px;
        }

        .case-card__tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            background: #fff0ee;
            padding: 3px 10px;
            border-radius: 30px;
            display: inline-block;
            margin-bottom: 10px;
        }

        .case-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .case-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .case-card__result {
            font-size: 13px;
            font-weight: 700;
            color: #27ae60;
            background: #eefaf1;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            display: inline-block;
        }

        /* ===== 精选分类 ===== */
        .category-highlight {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .category-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .category-tag {
            padding: 8px 18px;
            border-radius: 30px;
            background: #f5f4f0;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }

        .category-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 140px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-card__overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 12px 16px;
            background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }

        /* ===== 场景演示 ===== */
        .scene-demo {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .scene-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .scene-card__img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .scene-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-card__num {
            position: absolute;
            top: 14px;
            left: 14px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(212,40,30,0.35);
        }

        .scene-card__body {
            padding: 18px;
        }

        .scene-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .scene-card p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== 作品画廊 ===== */
        .gallery {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .gallery__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .gallery-item {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            height: 180px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .gallery-item:hover .gallery-item__overlay {
            opacity: 1;
        }

        .gallery-item:hover img {
            transform: scale(1.05);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .gallery-item__overlay {
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.55);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            color: #fff;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .gallery-item__overlay h5 {
            font-size: 14px;
            font-weight: 700;
            margin: 0;
            color: #fff;
        }

        .gallery-item__overlay span {
            font-size: 12px;
            color: #ddd;
        }

        /* ===== 观点解读 ===== */
        .insights {
            background: var(--bg);
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .insights__grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .insight-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: all var(--transition);
        }

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

        .insight-card blockquote {
            font-size: 15px;
            color: var(--text);
            font-style: italic;
            line-height: 1.85;
            margin: 0 0 12px;
            padding: 0;
        }

        .insight-card__author {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .insight-card__author i {
            color: var(--primary);
        }

        /* ===== 相关推荐 CMS ===== */
        .recommend {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border);
        }

        .recommend__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .recommend-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            background: #fff;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .recommend-card__thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 120px;
            margin-bottom: 12px;
        }

        .recommend-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .recommend-card h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .recommend-card p {
            font-size: 12px;
            color: var(--text-light);
            margin: 0;
            flex: 1;
        }

        /* ===== 数据指标 ===== */
        .data-metrics {
            background: var(--bg-dark);
            padding: 56px 0;
            color: #fff;
        }

        .data-metrics .section-title {
            color: #fff;
        }

        .data-metrics .section-desc {
            color: #aab2c0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
            text-align: center;
        }

        .metric-item {
            background: rgba(255,255,255,0.06);
            padding: 20px 14px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
        }

        .metric-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
        }

        .metric-item .label {
            font-size: 12px;
            color: #bdc3c7;
            margin-top: 4px;
        }

        /* ===== CTA 收口 ===== */
        .cta-final {
            background: #fff;
            padding: 60px 0;
        }

        .cta-final__box {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a2a50 60%, #1a1f2e 100%);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-final__box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(212,40,30,0.25);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-final__box h3 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
        }

        .cta-final__box p {
            font-size: 15px;
            color: #c5cddc;
            max-width: 520px;
            margin: 0 auto 22px;
            line-height: 1.8;
            position: relative;
        }

        .cta-final__actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: #9fa8b6;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
        }

        .footer__brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer__brand h4 span {
            color: var(--primary);
        }

        .footer__brand p {
            font-size: 13px;
            color: #8b95a5;
            line-height: 1.8;
            max-width: 260px;
        }

        .footer__col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer__col ul li {
            margin-bottom: 8px;
        }

        .footer__col ul li a {
            font-size: 13px;
            color: #8b95a5;
            transition: color var(--transition);
        }

        .footer__col ul li a:hover {
            color: #fff;
        }

        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 32px;
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
        }

        .footer__bottom p {
            margin: 0;
            color: #6b7482;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero__grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .compare-panel {
                max-width: 480px;
                margin: 0 auto;
            }
            .services__grid,
            .guarantee__grid,
            .category-grid,
            .gallery__grid,
            .recommend__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kpi__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .milestones__timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .milestone-item::before {
                display: none;
            }
            .news__layout {
                grid-template-columns: 1fr;
            }
            .case-story__grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insights__grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .result-compare__container {
                grid-template-columns: 1fr;
            }
            .footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-main, .header__actions .search-box, .header__actions .icon-btn {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .header__actions .btn-primary {
                display: none;
            }
            .header .container {
                flex-wrap: nowrap;
            }
            .hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .services__grid,
            .guarantee__grid,
            .category-grid,
            .gallery__grid,
            .recommend__grid,
            .scene-grid,
            .metrics-grid,
            .kpi__grid,
            .milestones__timeline {
                grid-template-columns: 1fr;
            }
            .compare-panel {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
            .compare-panel::before {
                position: absolute;
                top: 50%;
            }
            .footer .container {
                grid-template-columns: 1fr;
            }
            .campaign__card {
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .campaign__actions {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 36px 0;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero__cta-group {
                flex-direction: column;
            }
            .btn-primary, .btn-outline, .btn-light, .btn-ghost {
                justify-content: center;
                width: 100%;
            }
            .compare-card__image {
                height: 120px;
            }
            .topbar .container {
                justify-content: center;
                text-align: center;
                gap: 6px;
            }
            .topbar__links {
                display: none;
            }
            .gallery__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-item {
                height: 120px;
            }
            .cta-final__box {
                padding: 30px 18px;
            }
            .cta-final__box h3 {
                font-size: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #d4281e;
            --primary-dark: #b01f16;
            --secondary: #1f2a44;
            --accent: #f5b81b;
            --bg: #f7f5f0;
            --bg-white: #ffffff;
            --bg-dark: #151a25;
            --text: #1d1d1f;
            --text-light: #6e6e73;
            --text-white: #ffffff;
            --border: #e5e2da;
            --border-light: #efede8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button, .button {
            cursor: pointer;
            font-family: var(--font-sans);
            transition: all var(--transition);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 顶部促销条 ===== */
        .topbar {
            background: var(--bg-dark);
            color: #f3e9d2;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .topbar__notice {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar__notice .icon {
            color: var(--accent);
            font-size: 14px;
        }

        .topbar__links {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        .topbar__links a {
            color: #d5cfc0;
            font-size: 12px;
        }

        .topbar__links a:hover {
            color: #ffffff;
        }

        /* ===== 主导航栏 ===== */
        .header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header__logo .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(212,40,30,0.25);
        }

        .header__logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .header__logo .logo-text span {
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-main li a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .nav-main li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .nav-main li a:hover::after,
        .nav-main li a.is-active::after {
            width: 100%;
        }

        .nav-main li a:hover,
        .nav-main li a.is-active {
            color: var(--primary);
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 190px;
            padding: 9px 36px 9px 16px;
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            outline: none;
            background: var(--bg);
            transition: all var(--transition);
        }

        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212,40,30,0.08);
            background: #fff;
            width: 230px;
        }

        .search-box button {
            position: absolute;
            right: 4px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 14px;
            padding: 6px;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            border: none;
            box-shadow: 0 4px 14px rgba(212,40,30,0.25);
            transition: all var(--transition);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212,40,30,0.35);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            padding: 6px 12px;
            color: var(--text);
        }

        .mobile-nav {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-md);
        }

        .mobile-nav a {
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-nav a.is-active {
            color: var(--primary);
            background: rgba(212,40,30,0.04);
        }

        /* ===== 页面通用标题区块 ===== */
        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
        }

        .section-pad {
            padding: 72px 0;
        }

        .bg-white {
            background: var(--bg-white);
        }

        .bg-light {
            background: var(--bg);
        }

        .bg-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        /* ===== Hero 首屏 ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #151a25 0%, #1f2a44 60%, #2c3a5c 100%);
            color: #fff;
            padding: 80px 0;
            overflow: hidden;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .page-hero__bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 50%;
            background: url('/assets/images/81d77187d7892d71.jpg') center center / cover no-repeat;
            opacity: 0.25;
            -webkit-mask-image: linear-gradient(to right, transparent, #000);
            mask-image: linear-gradient(to right, transparent, #000);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .page-hero h1 {
            font-size: 52px;
            font-weight: 800;
            letter-spacing: -1.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        .page-hero h1 span {
            color: var(--accent);
            border-bottom: 4px solid var(--primary);
        }

        .page-hero .subtitle {
            font-size: 18px;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero-visual {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-lg);
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            height: 320px;
            object-fit: cover;
            width: 100%;
            box-shadow: var(--shadow-md);
        }

        .hero-visual .caption {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            margin-top: 12px;
            text-align: center;
        }

        /* ===== 价值卖点卡片 ===== */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-sm);
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212,40,30,0.2);
        }

        .value-card .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(212,40,30,0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .value-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--secondary);
        }

        .value-card p {
            font-size: 15px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== 方法步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 48px;
            font-weight: 800;
            color: var(--border);
            line-height: 1;
        }

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

        .step-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .step-card p {
            font-size: 15px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            margin: 0 0 8px;
            letter-spacing: -1px;
        }

        .stat-item p {
            font-size: 15px;
            color: rgba(255,255,255,0.7);
            margin: 0;
        }

        /* ===== 客户证言 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .testimonial-card .quote-icon {
            font-size: 32px;
            color: rgba(212,40,30,0.15);
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 16px;
            color: var(--text);
            line-height: 1.8;
            margin: 0;
        }

        .testimonial-card .user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: auto;
        }

        .testimonial-card .user img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border);
        }

        .testimonial-card .user strong {
            display: block;
            font-size: 15px;
            color: var(--secondary);
        }

        .testimonial-card .user span {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ===== 最新发布列表 ===== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .post-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212,40,30,0.2);
        }

        .post-card img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .post-card .content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .post-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
        }

        .post-card h3 a {
            color: var(--secondary);
        }

        .post-card h3 a:hover {
            color: var(--primary);
        }

        .post-card p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        .post-card .meta {
            font-size: 13px;
            color: var(--text-light);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .empty-state {
            text-align: center;
            padding: 40px;
            color: var(--text-light);
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
        }

        /* ===== 适用场景 ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .scenario-card i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }

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

        .scenario-card p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 最终 CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #d4281e 0%, #b01f16 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            border: none;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            transition: all var(--transition);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.25);
            color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 64px 0 24px;
            font-size: 14px;
        }

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

        .footer h4 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer h4 span {
            color: var(--primary);
        }

        .footer h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer p {
            line-height: 1.8;
            margin: 0;
            color: rgba(255,255,255,0.5);
        }

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

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

        .footer ul li a {
            color: rgba(255,255,255,0.5);
            transition: all var(--transition);
        }

        .footer ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer__bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.4);
            font-size: 13px;
            padding-top: 16px;
        }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1024px) {
            .page-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero__bg {
                width: 100%;
                opacity: 0.15;
            }
            .value-grid,
            .steps-grid,
            .post-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header .container {
                gap: 12px;
            }
            .nav-main {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-main,
            .header__actions .search-box,
            .header__actions .icon-btn,
            .header__actions .btn-primary {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-nav.is-open {
                display: flex;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .page-hero {
                padding: 48px 0;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .value-grid,
            .steps-grid,
            .testimonial-grid,
            .post-grid,
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .topbar .container {
                justify-content: center;
                text-align: center;
            }
            .footer .container {
                grid-template-columns: 1fr;
            }
            .btn-white {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: article */
:root {
            --primary: #d4281e;
            --primary-dark: #b01f16;
            --secondary: #1f2a44;
            --accent: #f5b81b;
            --bg: #f7f5f0;
            --bg-white: #ffffff;
            --bg-dark: #151a25;
            --bg-gold: #0e1118;
            --text: #1d1d1f;
            --text-light: #6e6e73;
            --text-white: #ffffff;
            --text-gold: #f5b81b;
            --border: #e5e2da;
            --border-light: #efede8;
            --border-gold: rgba(245, 184, 27, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-gold: 0 8px 32px rgba(245, 184, 27, 0.14);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button, .button {
            cursor: pointer;
            font-family: var(--font-sans);
            transition: all var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ===== 顶部导航栏 ===== */
        .header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header__logo .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(212, 40, 30, 0.25);
        }
        .header__logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .header__logo .logo-text span {
            color: var(--primary);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-main li a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }
        .nav-main li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }
        .nav-main li a:hover::after,
        .nav-main li a.is-active::after {
            width: 100%;
        }
        .nav-main li a:hover,
        .nav-main li a.is-active {
            color: var(--primary);
        }
        .header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 190px;
            padding: 9px 36px 9px 16px;
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            outline: none;
            background: var(--bg);
            transition: all var(--transition);
        }
        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212, 40, 30, 0.08);
            background: #fff;
            width: 230px;
        }
        .search-box button {
            position: absolute;
            right: 4px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 14px;
            padding: 6px;
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(212, 40, 30, 0.3);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 18px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--text);
        }
        .mobile-nav {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-nav a.is-active,
        .mobile-nav a:hover {
            color: var(--primary);
        }
        .mobile-nav.is-open {
            display: flex;
        }
        /* ===== 文章面包屑 ===== */
        .article-breadcrumb {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            font-size: 13px;
            color: var(--text-light);
        }
        .article-breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--primary);
        }
        .article-breadcrumb .sep {
            color: #c0bdb5;
        }
        .article-breadcrumb .current {
            color: var(--text);
            font-weight: 600;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* ===== 文章头部 Hero 黑金感 ===== */
        .article-hero {
            background: linear-gradient(155deg, #0e1118 0%, #1a1f2e 52%, #141922 100%);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 184, 27, 0.13) 0%, rgba(245, 184, 27, 0.02) 65%, transparent 75%);
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -60px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 40, 30, 0.15) 0%, rgba(212, 40, 30, 0.02) 60%, transparent 72%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
            max-width: 1120px;
        }
        .article-hero__badge-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 18px;
        }
        .article-hero__category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 184, 27, 0.12);
            color: var(--text-gold);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .article-hero__category i {
            font-size: 12px;
        }
        .article-hero__level-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: #e8e4d8;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 600;
        }
        .article-hero__level-badge .gold-dot {
            width: 7px;
            height: 7px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 6px rgba(245, 184, 27, 0.7);
        }
        .article-hero__title {
            font-size: 40px;
            line-height: 1.25;
            color: #ffffff;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin: 0 0 20px;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
        }
        .article-hero__summary {
            font-size: 17px;
            line-height: 1.8;
            color: #d6d2c6;
            max-width: 780px;
            margin: 0 0 28px;
        }
        .article-hero__meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 24px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .article-hero__meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #b2afa6;
            font-size: 13px;
            font-weight: 500;
        }
        .article-hero__meta-item i {
            color: var(--accent);
            font-size: 14px;
        }
        .article-hero__join {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--text-gold);
            padding: 9px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .article-hero__join:hover {
            background: rgba(245, 184, 27, 0.14);
            color: #ffd75a;
            border-color: rgba(245, 184, 27, 0.5);
            box-shadow: var(--shadow-gold);
        }
        /* ===== 文章主布局 ===== */
        .article-layout {
            padding: 40px 0 56px;
            background: var(--bg);
        }
        .article-layout .container {
            display: grid;
            grid-template-columns: minmax(0, 720px) minmax(300px, 1fr);
            gap: 36px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        /* ===== 文章内容区 ===== */
        .article-content-section {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px 36px;
            margin-bottom: 28px;
        }
        .article-visual {
            margin-bottom: 28px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .article-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .article-visual img:hover {
            transform: scale(1.02);
        }
        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
            margin: 32px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--secondary);
            margin: 26px 0 12px;
        }
        .article-body p {
            margin: 0 0 18px;
            color: #3a3a3c;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin: 0 0 20px;
        }
        .article-body li {
            margin-bottom: 10px;
            color: #3a3a3c;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 18px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent);
            background: #fdfaf3;
            padding: 18px 22px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #5a5548;
            font-style: normal;
            font-weight: 500;
        }
        .article-body a {
            border-bottom: 1px dashed var(--primary);
        }
        .article-body a:hover {
            border-bottom-style: solid;
        }
        .article-not-found {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 60px 36px;
            text-align: center;
        }
        .article-not-found i {
            font-size: 48px;
            color: #c9c5bc;
            margin-bottom: 18px;
        }
        .article-not-found h2 {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--secondary);
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .article-not-found a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }
        .article-not-found a:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(212, 40, 30, 0.28);
        }
        /* ===== 编辑精选板块 ===== */
        .editor-picks {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 34px 32px;
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
        }
        .editor-picks::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 184, 27, 0.12) 0%, transparent 70%);
        }
        .editor-picks__header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }
        .editor-picks__header .icon-badge {
            width: 46px;
            height: 46px;
            background: rgba(245, 184, 27, 0.14);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
        }
        .editor-picks__header h2 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0;
            letter-spacing: -0.2px;
        }
        .editor-picks__header p {
            font-size: 13px;
            color: #a8a393;
            margin: 2px 0 0;
        }
        .editor-picks__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            position: relative;
            z-index: 1;
        }
        .pick-card {
            background: #1b2130;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .pick-card:hover {
            border-color: rgba(245, 184, 27, 0.3);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            transform: translateY(-3px);
        }
        .pick-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .pick-card__body {
            padding: 16px 16px 18px;
        }
        .pick-card__title {
            font-size: 15px;
            font-weight: 700;
            color: #f0ede4;
            margin: 0 0 6px;
            line-height: 1.5;
        }
        .pick-card__desc {
            font-size: 12px;
            color: #9b9689;
            margin: 0;
            line-height: 1.6;
        }
        /* ===== 会员权益板块 ===== */
        .member-benefit {
            background: linear-gradient(140deg, #0d0f14 0%, #1a1c24 55%, #101319 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 34px;
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow-gold);
        }
        .member-benefit__icon {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(245, 184, 27, 0.14);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 24px;
            flex-shrink: 0;
        }
        .member-benefit__content {
            flex: 1;
            min-width: 220px;
        }
        .member-benefit__content h3 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 6px;
        }
        .member-benefit__content p {
            font-size: 14px;
            color: #b8b3a6;
            margin: 0;
            line-height: 1.7;
        }
        .member-benefit__list {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .member-benefit__list li {
            font-size: 13px;
            color: #e8dfc8;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .member-benefit__list li i {
            color: var(--accent);
            font-size: 12px;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #1a1c24;
            border: none;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .btn-gold:hover {
            background: #ffcd3a;
            color: #0e1014;
            box-shadow: 0 6px 22px rgba(245, 184, 27, 0.38);
            transform: translateY(-1px);
        }
        /* ===== 相关专题板块 ===== */
        .related-topics {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 30px 32px;
            margin-bottom: 28px;
        }
        .related-topics__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .related-topics__header h2 {
            font-size: 20px;
            font-weight: 800;
            color: var(--secondary);
            margin: 0;
        }
        .related-topics__header a {
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-topics__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
        }
        .topic-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .topic-tag i {
            color: var(--accent);
            font-size: 12px;
        }
        /* ===== 底部 CTA ===== */
        .cta-final {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-final::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-final::after {
            content: '';
            position: absolute;
            bottom: -70px;
            right: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-final__content {
            position: relative;
            z-index: 1;
        }
        .cta-final__content h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 10px;
        }
        .cta-final__content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 auto 22px;
            max-width: 520px;
        }
        .cta-final__content .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 15px;
            transition: all var(--transition);
        }
        .cta-final__content .btn-white:hover {
            background: #f8f5ee;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            transform: translateY(-2px);
        }
        /* ===== 侧栏 ===== */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .side-widget {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .side-widget__title {
            font-size: 16px;
            font-weight: 800;
            color: var(--secondary);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-widget__title i {
            color: var(--primary);
            font-size: 14px;
        }
        .side-hot-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            transition: all var(--transition);
        }
        .side-hot-item:last-child {
            border-bottom: none;
        }
        .side-hot-item:hover {
            padding-left: 4px;
        }
        .side-hot-item img {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .side-hot-item__title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .side-hot-item__date {
            font-size: 11px;
            color: var(--text-light);
        }
        .side-cat-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .side-cat-link:last-child {
            border-bottom: none;
        }
        .side-cat-link:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .side-cat-link i {
            color: var(--accent);
            font-size: 13px;
        }
        .side-promo {
            background: var(--bg-dark);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            color: #fff;
        }
        .side-promo__icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(245, 184, 27, 0.14);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--accent);
            font-size: 20px;
        }
        .side-promo h4 {
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 8px;
        }
        .side-promo p {
            font-size: 13px;
            color: #b8b09e;
            margin: 0 0 16px;
        }
        .side-promo .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #1a1c24;
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 13px;
        }
        .side-promo .btn-small:hover {
            background: #ffcd3a;
            box-shadow: 0 4px 14px rgba(245, 184, 27, 0.35);
        }
        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: #b8b4aa;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer .container {
            max-width: 1200px;
        }
        .footer__brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 10px;
        }
        .footer__brand h4 span {
            color: var(--primary);
        }
        .footer__brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #9a958a;
            margin: 0;
            max-width: 280px;
        }
        .footer__col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer__col ul li {
            margin-bottom: 8px;
        }
        .footer__col ul li a {
            color: #9a958a;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer__col ul li a:hover {
            color: #fff;
        }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            justify-content: space-between;
            align-items: center;
        }
        .footer__bottom p {
            font-size: 12px;
            color: #77736a;
            margin: 0;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
                gap: 18px;
            }
            .editor-picks__grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .nav-main {
                gap: 18px;
            }
            .search-box input {
                width: 150px;
            }
            .search-box input:focus {
                width: 180px;
            }
        }
        @media (max-width: 768px) {
            .header .container {
                gap: 12px;
            }
            .nav-main {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .icon-btn {
                display: none;
            }
            .article-hero__title {
                font-size: 30px;
            }
            .article-hero__summary {
                font-size: 15px;
            }
            .article-hero__meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .article-hero__join {
                margin-left: 0;
            }
            .article-content-section {
                padding: 22px 20px;
            }
            .article-visual img {
                height: 260px;
            }
            .editor-picks {
                padding: 26px 20px;
            }
            .editor-picks__grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .member-benefit {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 22px;
            }
            .related-topics {
                padding: 24px 20px;
            }
            .cta-final {
                padding: 28px 20px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header__logo .logo-text {
                font-size: 18px;
            }
            .header__logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .article-hero {
                padding: 36px 0 32px;
            }
            .article-hero__title {
                font-size: 24px;
            }
            .article-hero__summary {
                font-size: 14px;
                line-height: 1.7;
            }
            .article-hero__category,
            .article-hero__level-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
            .article-content-section {
                padding: 18px 16px;
                border-radius: var(--radius-md);
            }
            .article-visual img {
                height: 210px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .editor-picks__header h2 {
                font-size: 18px;
            }
            .member-benefit__content h3 {
                font-size: 17px;
            }
            .related-topics__header h2 {
                font-size: 17px;
            }
            .cta-final__content h2 {
                font-size: 20px;
            }
            .footer__brand p {
                max-width: 100%;
            }
            .article-breadcrumb .current {
                max-width: 180px;
            }
        }