/* roulang page: index */
:root {
            --primary: #0F3D33;
            --accent: #C9641E;
            --accent-light: #D97728;
            --bg: #F8F6F2;
            --card: #FFFFFF;
            --border: #E7E0D6;
            --text: #1F2925;
            --text-light: #5A6B64;
            --radius: 12px;
            --shadow-card: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 8px 24px rgba(15,61,51,0.12);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
        }
        input, textarea {
            font-family: var(--font-stack);
            width: 100%;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
        }
        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(15,61,51,0.2);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .logo-mark svg {
            width: 20px;
            height: 20px;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .site-nav a.nav-link {
            color: rgba(255,255,255,0.78);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
            transition: color 0.2s;
        }
        .site-nav a.nav-link:hover {
            color: #fff;
        }
        .site-nav a.nav-link.active {
            color: var(--accent-light);
        }
        .site-nav a.nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent-light);
            border-radius: 2px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 8px;
            padding: 12px 24px;
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1.2;
            transition: all 0.2s ease;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff !important;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 4px 14px rgba(201,100,30,0.3);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(201,100,30,0.5);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.6);
            color: #fff !important;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
        }
        .nav-login-btn {
            background: var(--accent);
            color: #fff;
            border-radius: 8px;
            padding: 10px 20px;
            font-size: 0.9375rem;
            font-weight: 600;
            border: 1px solid var(--accent);
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-login-btn:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
        }
        .nav-login-btn:focus-visible {
            outline: 2px solid rgba(255,255,255,0.5);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: #fff;
            font-size: 1.2rem;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.1);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 76px;
            left: 12px;
            right: 12px;
            z-index: 49;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.18);
            padding: 16px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        .mobile-nav a:hover {
            background: var(--bg);
            color: var(--accent);
        }
        .mobile-nav a.active {
            color: var(--accent);
            background: rgba(201,100,30,0.08);
        }
        .mobile-nav .btn {
            margin-top: 8px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }
            .site-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
        }
        /* Hero */
        .hero {
            position: relative;
            background: var(--bg);
            padding: 80px 0 80px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(248,246,242,0.82);
        }
        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(15,61,51,0.06);
            border: 1px solid rgba(15,61,51,0.1);
            color: var(--text-light);
            font-size: 0.9375rem;
            font-weight: 500;
            border-radius: 9999px;
            padding: 6px 16px;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 2.875rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            white-space: nowrap;
        }
        .hero-sub {
            font-size: 1.125rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 42ch;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
        }
        .hero-link:hover {
            color: var(--accent-light);
        }
        .hero-link i {
            transition: transform 0.2s;
        }
        .hero-link:hover i {
            transform: translateX(4px);
        }
        .hero-image {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(15,61,51,0.18);
        }
        .hero-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,61,51,0.08);
            pointer-events: none;
        }
        .scroll-down {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-light);
            font-size: 1.25rem;
            transition: color 0.2s, transform 0.2s;
            z-index: 2;
        }
        .scroll-down:hover {
            color: var(--accent);
            transform: translateX(-50%) translateY(4px);
        }
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .hero-image img {
                height: 300px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 48px 0 64px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-image img {
                height: 220px;
            }
        }
        /* 板块标题 */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-head h2 {
                font-size: 1.5rem;
            }
        }
        /* 方案卡片 */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .solution-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }
        .solution-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .solution-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 9999px;
            background: rgba(15,61,51,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.25rem;
            margin-bottom: 20px;
        }
        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .solution-card ul {
            list-style: none;
            margin-bottom: 20px;
        }
        .solution-card ul li {
            position: relative;
            padding-left: 28px;
            font-size: 0.9375rem;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .solution-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: 700;
        }
        .solution-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: color 0.2s;
        }
        .solution-card .card-link:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }
        .solution-wide {
            grid-column: span 2;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 28px;
            align-items: center;
            padding: 36px 40px;
        }
        .solution-wide .icon-circle {
            margin-bottom: 0;
            width: 64px;
            height: 64px;
            font-size: 1.5rem;
        }
        .solution-wide h3 {
            margin-bottom: 8px;
            font-size: 1.375rem;
        }
        .solution-wide p {
            color: var(--text-light);
            margin-bottom: 4px;
        }
        .solution-wide ul {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            list-style: none;
            margin-top: 8px;
            margin-bottom: 0;
        }
        .solution-wide ul li {
            position: relative;
            padding-left: 22px;
            font-size: 0.9375rem;
            color: var(--text-light);
        }
        .solution-wide ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .solutions-grid {
                grid-template-columns: 1fr;
            }
            .solution-wide {
                grid-column: span 1;
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .solution-wide .icon-circle {
                margin-bottom: 12px;
            }
        }
        /* 数据区 */
        .stats-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-number {
            font-size: 2.75rem;
            font-weight: 800;
            color: var(--accent-light);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-label {
            color: rgba(255,255,255,0.7);
            font-size: 0.9375rem;
        }
        .stats-grid .stat-item + .stat-item {
            border-left: 1px solid rgba(255,255,255,0.12);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 16px;
            }
            .stats-grid .stat-item + .stat-item {
                border-left: none;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        /* 最新动态 */
        .latest-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .post-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.25s;
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .post-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg);
        }
        .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .post-card:hover .post-thumb img {
            transform: scale(1.03);
        }
        .post-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15,61,51,0.85);
            color: #fff;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .post-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .post-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-body .post-excerpt {
            font-size: 0.9375rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-light);
        }
        .post-meta a {
            color: var(--accent);
            font-weight: 600;
        }
        .post-meta a:hover {
            text-decoration: underline;
        }
        .empty-state {
            grid-column: span 2;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-light);
        }
        .empty-state i {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--text-light);
            opacity: 0.6;
        }
        .empty-state p {
            font-size: 0.9375rem;
        }
        .view-all {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
        }
        .view-all:hover {
            color: var(--accent-light);
        }
        @media (max-width: 768px) {
            .latest-grid {
                grid-template-columns: 1fr;
            }
            .empty-state {
                grid-column: span 1;
            }
            .post-thumb {
                height: 160px;
            }
        }
        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: border-color 0.2s;
        }
        .faq-item.open {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15,61,51,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.875rem;
            flex-shrink: 0;
            transition: transform 0.25s, background 0.25s, color 0.25s;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(135deg);
        }
        .faq-answer {
            display: none;
            padding-top: 16px;
            color: var(--text-light);
            font-size: 0.9375rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-section {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 72px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-light);
            font-size: 1rem;
            max-width: 480px;
            margin: 0 auto 28px;
        }
        .cta-privacy {
            margin-top: 16px;
            font-size: 0.8125rem;
            color: var(--text-light);
            opacity: 0.75;
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9375rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9375rem;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-col .privacy-text {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom {
            padding: 24px 0;
            font-size: 0.8125rem;
            color: rgba(255,255,255,0.6);
            text-align: center;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        /* 弹层 */
        .modal-layer {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(0,0,0,0.6);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-layer.open {
            display: flex;
        }
        .modal-box {
            background: #fff;
            border-radius: 16px;
            max-width: 480px;
            width: 100%;
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.25);
            position: relative;
            max-height: 90vh;
            overflow-y: auto;
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 0.9375rem;
            transition: all 0.2s;
        }
        .modal-close:hover {
            background: rgba(201,100,30,0.1);
            color: var(--accent);
        }
        .modal-box h3 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .modal-box .modal-sub {
            color: var(--text-light);
            font-size: 0.9375rem;
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0 14px;
            font-size: 0.9375rem;
            color: var(--text);
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,61,51,0.08);
        }
        .form-group textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }
        .form-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            color: #fff;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            transition: all 0.2s;
        }
        .form-submit:hover {
            background: var(--accent-light);
        }
        .form-submit:active {
            transform: scale(0.98);
        }
        .form-privacy {
            margin-top: 16px;
            font-size: 0.75rem;
            color: var(--text-light);
            text-align: center;
            line-height: 1.5;
        }
        body.modal-open {
            overflow: hidden;
        }
        @media (max-width: 520px) {
            .modal-box {
                padding: 24px;
            }
        }
        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(201,100,30,0.5);
            outline-offset: 2px;
        }
        /* 减少动画 */
        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F3D33;
            --primary-dark: #0A2C25;
            --accent: #C9641E;
            --accent-hover: #B55A18;
            --bg: #F8F6F2;
            --card: #FFFFFF;
            --border: #E7E0D6;
            --text: #1F2925;
            --text-secondary: #5A6B64;
            --error: #B42318;
            --success: #1E7B4F;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(15, 61, 51, 0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--primary);
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            flex-shrink: 0;
        }
        .logo-mark svg {
            width: 18px;
            height: 18px;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            position: relative;
            padding: 6px 2px;
            transition: color 0.25s;
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link.active {
            color: var(--accent);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 8px;
            transition: background 0.25s, transform 0.15s;
        }
        .nav-login-btn:hover {
            background: var(--accent-hover);
        }
        .nav-login-btn:active {
            transform: scale(0.98);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }
        .hero {
            position: relative;
            background: var(--bg);
            padding: 96px 0;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
        }
        .hero-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }
        .hero-question {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 9999px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-sub {
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 32ch;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 8px;
            transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(201, 100, 30, 0.3);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.25s;
        }
        .btn-text:hover {
            color: var(--accent);
        }
        .btn-text i {
            font-size: 14px;
            transition: transform 0.25s;
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }
        .hero-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .hero-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 100, 30, 0.08);
            padding: 4px 14px;
            border-radius: 9999px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
        }
        .split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .split-media {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .split-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .split-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .split-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            max-width: 52ch;
        }
        .check-list {
            list-style: none;
            margin-top: 16px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: var(--text);
            font-size: 15px;
        }
        .check-list li i {
            color: var(--success);
            font-size: 14px;
            margin-top: 5px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 32px 24px;
            position: relative;
            transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
        }
        .step-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .step-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .stats-section {
            background: var(--primary);
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }
        .stats-grid .stat-num {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stats-grid .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s, background 0.3s, color 0.3s;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }
        .cta-section {
            background: var(--accent);
            padding: 72px 0;
        }
        .cta-inner {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .cta-btn {
            background: #fff;
            color: var(--accent);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 8px;
            transition: transform 0.15s, box-shadow 0.25s;
        }
        .cta-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
        .cta-btn:active {
            transform: scale(0.98);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 16px;
            line-height: 1.5;
        }
        .privacy-note-light {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 64px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            max-width: 36ch;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.25s;
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .privacy-text {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 200;
            display: none;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .modal-overlay.show {
            display: flex;
            opacity: 1;
        }
        .modal-box {
            background: #fff;
            border-radius: 16px;
            padding: 40px;
            max-width: 480px;
            width: 90%;
            position: relative;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
            max-height: calc(100vh - 40px);
            overflow-y: auto;
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border-radius: 9999px;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: background 0.25s, color 0.25s;
        }
        .modal-close:hover {
            background: var(--primary);
            color: #fff;
        }
        .modal-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .modal-box>p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            transition: border-color 0.25s, box-shadow 0.25s;
            background: #fff;
        }
        .form-group textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
            line-height: 1.5;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 61, 51, 0.1);
        }
        .form-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 12px;
            border-radius: 8px;
            transition: background 0.25s, transform 0.15s;
            margin-top: 8px;
        }
        .form-submit:hover {
            background: var(--accent-hover);
        }
        .form-submit:active {
            transform: scale(0.98);
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 32px 0;
            color: var(--success);
            font-size: 16px;
            font-weight: 600;
        }
        .form-success i {
            font-size: 40px;
            margin-bottom: 12px;
            display: block;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .split {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 12px;
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
                padding: 16px;
                flex-direction: column;
                gap: 8px;
                align-items: stretch;
            }
            .site-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .nav-link:hover {
                background: var(--bg);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-login-btn {
                margin-top: 8px;
                justify-content: center;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero {
                padding: 64px 0;
            }
            .hero h1 {
                font-size: 1.75rem;
            }
            .section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .modal-box {
                padding: 32px 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-image img {
                height: 240px;
            }
            .split-media img {
                height: 240px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F3D33;
            --accent: #C9641E;
            --accent-hover: #D97728;
            --bg: #F8F6F2;
            --card-bg: #FFFFFF;
            --border: #E7E0D6;
            --text: #1F2925;
            --text-secondary: #5A6B64;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(15, 61, 51, 0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
        }

        input,
        textarea {
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.375rem;
            color: var(--primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }

        .logo-mark svg {
            width: 18px;
            height: 18px;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            padding-bottom: 4px;
            position: relative;
            transition: color .2s;
            letter-spacing: 0.01em;
        }

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

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-login-btn {
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            transition: all .2s;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.01em;
        }

        .nav-login-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 100, 30, 0.25);
        }

        .nav-login-btn:active {
            transform: scale(0.98);
        }

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: background .2s;
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: 28px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            color: #b0a89d;
            font-size: 13px;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== 文章区 ===== */
        .article-section {
            padding: 40px 0 96px;
        }

        .article-container {
            max-width: 720px;
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 40px;
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(15, 61, 51, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 9999px;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .article-title {
            font-size: 2.75rem;
            line-height: 1.25;
            color: var(--primary);
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta svg {
            width: 16px;
            height: 16px;
            opacity: .65;
        }

        .article-body {
            font-size: 1.0625rem;
            line-height: 1.75;
            color: var(--text);
        }

        .article-body .lead {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            padding-left: 20px;
            border-left: 3px solid var(--accent);
            line-height: 1.8;
        }

        .article-body h2 {
            font-size: 1.75rem;
            color: var(--primary);
            font-weight: 700;
            margin: 48px 0 20px;
            letter-spacing: 0.01em;
            position: relative;
            padding-left: 16px;
        }

        .article-body h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--accent);
            border-radius: 4px;
        }

        .article-body h3 {
            font-size: 1.375rem;
            color: var(--primary);
            font-weight: 700;
            margin: 40px 0 16px;
            letter-spacing: 0.01em;
        }

        .article-body p {
            margin-bottom: 24px;
            max-width: 65ch;
        }

        .article-body a {
            color: var(--accent);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color .2s;
        }

        .article-body a:hover {
            border-bottom-color: var(--accent);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(201, 100, 30, 0.06);
            padding: 24px 28px;
            border-radius: 0 12px 12px 0;
            margin: 32px 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body ul,
        .article-body ol {
            margin: 24px 0;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 12px;
            line-height: 1.7;
        }

        .article-body ul li::marker {
            color: var(--accent);
        }

        .article-body ol li::marker {
            color: var(--accent);
            font-weight: 600;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 32px 0;
            box-shadow: var(--shadow);
        }

        .article-body figure {
            margin: 32px 0;
        }

        .article-body figcaption {
            font-size: 13px;
            color: var(--text-secondary);
            text-align: center;
            padding: 12px 0 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            border-radius: 8px;
            overflow: hidden;
            font-size: 15px;
        }

        .article-body table th,
        .article-body table td {
            padding: 14px 16px;
            border: 1px solid var(--border);
            text-align: left;
            line-height: 1.6;
        }

        .article-body table th {
            background: rgba(15, 61, 51, 0.06);
            color: var(--primary);
            font-weight: 600;
        }

        .article-body table tr:hover td {
            background: rgba(15, 61, 51, 0.02);
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 48px 0;
        }

        .article-body code {
            background: rgba(15, 61, 51, 0.06);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: .9em;
            font-family: "SFMono-Regular", Consolas, monospace;
        }

        /* ===== 文章底部 ===== */
        .article-footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            transition: gap .2s;
        }

        .back-link:hover {
            gap: 12px;
        }

        .back-link svg {
            width: 16px;
            height: 16px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 56px;
        }

        .related-title {
            font-size: 1.375rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 0.01em;
            position: relative;
            padding-left: 14px;
        }

        .related-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent);
            border-radius: 4px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s;
            display: block;
        }

        .related-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

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

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .related-card-body {
            padding: 20px 24px;
        }

        .related-card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color .2s;
        }

        .related-card-date {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-card-date svg {
            width: 14px;
            height: 14px;
            opacity: .65;
        }

        /* ===== 空状态 ===== */
        .not-found {
            padding: 80px 0;
            text-align: center;
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(15, 61, 51, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            color: var(--primary);
        }

        .not-found-icon svg {
            width: 32px;
            height: 32px;
        }

        .not-found h1 {
            font-size: 1.625rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all .2s;
            border: none;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 100, 30, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

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

        .btn-block {
            width: 100%;
        }

        /* ===== 弹层表单 ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 200;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .25s, visibility .25s;
        }

        .modal-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: #fff;
            border-radius: 16px;
            max-width: 480px;
            width: 100%;
            padding: 40px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.18);
            position: relative;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .2s;
            line-height: 1;
            padding: 0;
            border: none;
        }

        .modal-close:hover {
            background: var(--border);
            color: var(--text);
        }

        .modal-close:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .modal-content h3 {
            font-size: 1.375rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .modal-content .modal-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            background: var(--bg);
            transition: border-color .2s, box-shadow .2s;
        }

        .form-group textarea {
            height: 100px;
            padding: 12px 14px;
            resize: none;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 61, 51, 0.08);
            background: #fff;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #a0a09a;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 16px;
            text-align: center;
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 64px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-brand .logo .logo-mark {
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.75;
            max-width: 36ch;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color .2s;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .privacy-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.75;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-wrap {
                height: 64px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 12px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                z-index: 99;
                max-height: 80vh;
                overflow-y: auto;
            }
            .site-nav.open {
                display: flex;
            }
            .nav-login-btn {
                width: 100%;
                justify-content: center;
            }
            .article-section {
                padding: 32px 0 64px;
            }
            .article-title {
                font-size: 1.875rem;
            }
            .article-body {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .modal-content {
                padding: 32px 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-title {
                font-size: 1.75rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-body h2 {
                font-size: 1.375rem;
            }
            .article-body h3 {
                font-size: 1.125rem;
            }
            .article-body blockquote {
                padding: 16px 20px;
            }
            .related-card img {
                height: 150px;
            }
            .nav-login-btn {
                font-size: 14px;
                padding: 8px 16px;
            }
            .privacy-note {
                font-size: 11px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0F3D33;
            --primary-light: #1A4F42;
            --accent: #D97728;
            --accent-dark: #C9641E;
            --bg: #F8F6F2;
            --card: #FFFFFF;
            --border: #E7E0D6;
            --text: #1F2925;
            --text-secondary: #5A6B64;
            --success: #1E7B4F;
            --error: #B42318;
            --radius: 12px;
            --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(15, 61, 51, 0.12);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== 基础重置 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 60;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.14);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--accent);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: color .2s, border-color .2s;
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 2px;
        }
        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 8px;
            transition: background .2s, transform .15s;
        }
        .nav-login-btn:hover {
            background: var(--accent-dark);
        }
        .nav-login-btn:active {
            transform: scale(0.98);
        }
        .nav-login-btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 26px;
            line-height: 1;
            padding: 6px;
            border-radius: 8px;
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: var(--bg);
            padding: 96px 0 80px;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            background: rgba(15, 61, 51, 0.07);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 9999px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.125rem;
            line-height: 1.2;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0;
        }
        .hero-desc {
            margin-top: 20px;
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 52ch;
            line-height: 1.75;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 8px;
            transition: background .2s, transform .15s;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            transition: border-color .2s, background .2s;
        }
        .btn-outline:hover {
            background: rgba(15, 61, 51, 0.06);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== 通用区块 ===== */
        .section-block {
            padding: 96px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            background: rgba(15, 61, 51, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }
        .section-dark .section-label {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .section-title {
            font-size: 2rem;
            line-height: 1.25;
            font-weight: 800;
            color: var(--primary);
            margin-top: 16px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.0625rem;
            margin-top: 12px;
            max-width: 62ch;
            line-height: 1.75;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 卡片 ===== */
        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            transition: border-color .2s, box-shadow .2s, transform .2s;
        }
        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.08);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        /* ===== 图文分栏 ===== */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .split-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .split-content h3 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 16px;
            line-height: 1.4;
        }
        .split-content p {
            margin-top: 16px;
            color: var(--text);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ===== 要点列表 ===== */
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 20px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.6;
        }
        .check-list .check-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--primary);
            margin-top: 2px;
        }

        /* ===== 场景卡 ===== */
        .scenario-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: border-color .2s, box-shadow .2s, transform .2s;
        }
        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .scenario-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: rgba(15, 61, 51, 0.15);
            line-height: 1.1;
        }
        .scenario-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            margin-top: 10px;
        }
        .scenario-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            margin-top: 8px;
            line-height: 1.65;
        }

        /* ===== 流程步骤 ===== */
        .step-card {
            position: relative;
            padding: 32px 24px 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: border-color .2s, box-shadow .2s;
        }
        .step-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            font-size: 2.75rem;
            font-weight: 800;
            color: rgba(15, 61, 51, 0.14);
            line-height: 1.1;
        }
        .step-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            margin-top: 12px;
        }
        .step-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            margin-top: 8px;
            line-height: 1.65;
        }

        /* ===== 深色区块 ===== */
        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: border-color .2s, box-shadow .2s;
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            color: var(--text);
            line-height: 1.5;
            text-align: left;
            width: 100%;
            background: none;
            padding: 0;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: transform .25s, background .2s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            display: none;
            margin-top: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.9375rem;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.05;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
        }
        .footer-brand .logo {
            color: #fff;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            font-size: 15px;
            margin-top: 16px;
            max-width: 42ch;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .privacy-text {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 弹层 ===== */
        .modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 100;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-overlay.open {
            display: flex;
        }
        .modal-box {
            background: #fff;
            border-radius: 16px;
            max-width: 480px;
            width: 100%;
            padding: 32px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 9999px;
            background: rgba(15, 61, 51, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            transition: background .2s, color .2s;
        }
        .modal-close:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 表单 ===== */
        .form-field {
            margin-bottom: 16px;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0 14px;
            font-size: 15px;
            background: #fff;
            color: var(--text);
            transition: border-color .2s, box-shadow .2s;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 61, 51, 0.1);
        }
        .form-input::placeholder {
            color: #B8B0A6;
        }
        .form-textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
            line-height: 1.6;
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 14px;
            text-align: center;
            line-height: 1.6;
        }
        .privacy-note a {
            color: var(--accent);
        }
        .btn-submit {
            width: 100%;
            justify-content: center;
            padding: 13px 28px;
        }

        /* ===== 数据区 ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .data-item {
            text-align: center;
        }
        .data-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        .data-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-top: 8px;
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            background: rgba(15, 61, 51, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 9999px;
            line-height: 1.4;
        }
        .section-dark .badge {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section-block {
                padding: 72px 0;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .data-number {
                font-size: 2.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .split-section {
                gap: 40px;
            }
        }
        @media (max-width: 767px) {
            .header-inner {
                height: 64px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 12px;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
                flex-direction: column;
                gap: 0;
                padding: 16px;
            }
            .site-nav.open {
                display: flex;
            }
            .nav-link {
                color: var(--text);
                width: 100%;
                padding: 13px 0;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }
            .nav-link.active {
                color: var(--accent);
                border-bottom: 1px solid var(--border);
            }
            .nav-login-btn {
                width: 100%;
                margin-top: 14px;
            }
            .nav-toggle {
                display: block;
            }
            .section-block {
                padding: 64px 0;
            }
            .hero-section {
                padding: 56px 0 56px;
            }
            .hero-title {
                font-size: 1.875rem;
            }
            .hero-inner {
                text-align: left;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
            }
            .split-section {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .split-media img {
                height: 220px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                margin-top: 32px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .faq-item {
                padding: 20px;
            }
            .modal-box {
                padding: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .feature-card {
                padding: 22px;
            }
            .data-number {
                font-size: 1.85rem;
            }
            .data-label {
                font-size: 13px;
            }
        }