/* roulang page: index */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--accent-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }
        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 进度步骤导航 */
        .progress-steps-bar {
            background-color: #F0F2F5;
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 0;
            position: sticky;
            top: 64px;
            z-index: 50;
        }
        .progress-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            list-style: none;
            flex-wrap: nowrap;
            position: relative;
        }
        .progress-steps::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 10%;
            right: 10%;
            height: 3px;
            background-color: #d1d5db;
            border-radius: 2px;
            z-index: 0;
        }
        .progress-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            cursor: pointer;
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 0;
            padding: 0 0.5rem;
            transition: all var(--transition-base);
        }
        .progress-step .step-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: #d1d5db;
            color: #6b7280;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
            border: 3px solid transparent;
        }
        .progress-step.active .step-circle {
            background-color: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
            box-shadow: 0 0 0 6px rgba(255, 107, 61, 0.18);
        }
        .progress-step.completed .step-circle {
            background-color: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }
        .progress-step .step-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: #6b7280;
            text-align: center;
            white-space: nowrap;
            transition: color var(--transition-base);
        }
        .progress-step.active .step-label {
            color: var(--accent);
            font-weight: 600;
        }
        .progress-step.completed .step-label {
            color: var(--primary);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.88) 0%, rgba(26, 47, 43, 0.72) 50%, rgba(30, 36, 40, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 3rem 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(255, 107, 61, 0.2);
            border: 1px solid rgba(255, 107, 61, 0.4);
            color: var(--accent-light);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: 0.01em;
        }
        .hero-title .highlight {
            color: var(--highlight);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 2rem;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #ffffff;
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background-color: var(--accent-light);
            border-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 61, 0.35);
        }
        .btn-outline {
            background-color: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: var(--primary);
            color: #ffffff;
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 47, 43, 0.35);
        }
        .btn-ghost {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid transparent;
            padding: 0.5rem 1rem;
            font-weight: 500;
        }
        .btn-ghost:hover {
            color: var(--accent-light);
            background-color: rgba(255, 107, 61, 0.06);
        }
        .hero-stats-row {
            display: flex;
            gap: 2.5rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }
        .hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--highlight);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: #9ca3af;
            font-weight: 500;
        }

        /* 板块通用 */
        .section-block {
            padding: 5rem 0;
        }
        .section-block.bg-white {
            background-color: #ffffff;
        }
        .section-block.bg-light {
            background-color: var(--bg-light);
        }
        .section-block.bg-dark {
            background-color: var(--bg-dark);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .section-title.text-white {
            color: #ffffff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 2.5rem;
        }
        .section-desc.text-light {
            color: #d1d5db;
        }

        /* 卖点三连 */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .selling-point-card {
            background-color: #f9fafb;
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            border: none;
            box-shadow: none;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            border-left: 4px solid transparent;
        }
        .selling-point-card:nth-child(1) {
            border-left-color: var(--accent);
        }
        .selling-point-card:nth-child(2) {
            border-left-color: var(--highlight);
        }
        .selling-point-card:nth-child(3) {
            border-left-color: var(--primary);
        }
        .selling-point-card:hover {
            background-color: #ffffff;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .sp-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: #e5e7eb;
            line-height: 1;
            margin-bottom: 0.5rem;
            letter-spacing: -0.03em;
        }
        .selling-point-card:hover .sp-number {
            color: #d1d5db;
        }
        .sp-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .sp-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 品牌介绍 */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .brand-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }
        .brand-intro-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .brand-intro-text {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .brand-intro-text p {
            margin-bottom: 1rem;
        }
        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        /* 数据指标 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .metric-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--highlight);
        }
        .metric-icon {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
            display: block;
        }
        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 场景演示 */
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 4rem;
        }
        .scene-row:last-child {
            margin-bottom: 0;
        }
        .scene-row.reverse {
            direction: rtl;
        }
        .scene-row.reverse>* {
            direction: ltr;
        }
        .scene-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        .scene-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 1rem;
        }
        .scene-tag {
            display: inline-block;
            background-color: rgba(0, 229, 160, 0.12);
            color: var(--highlight-dark);
            padding: 0.3rem 0.8rem;
            border-radius: 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        /* 直播预告 */
        .live-banner {
            background: linear-gradient(135deg, #1A2F2B 0%, #243D37 100%);
            border-radius: var(--radius-card);
            padding: 2.5rem;
            display: flex;
            align-items: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background-color: #ef4444;
            color: #ffffff;
            padding: 0.35rem 0.9rem;
            border-radius: 1.5rem;
            font-size: 0.8rem;
            font-weight: 700;
            animation: live-pulse 2s ease-in-out infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(239, 68, 68, 0);
            }
        }
        .live-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #ffffff;
        }
        .live-countdown {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .countdown-item {
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 0.5rem;
            padding: 0.6rem 1rem;
            text-align: center;
            min-width: 60px;
        }
        .countdown-item .cd-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
        }
        .countdown-item .cd-label {
            font-size: 0.7rem;
            color: #9ca3af;
            margin-top: 0.25rem;
        }

        /* 社会认同 */
        .testimonials-scroll {
            display: flex;
            gap: 1.5rem;
            overflow-x: auto;
            padding: 0.5rem 0 1.5rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #d1d5db transparent;
        }
        .testimonials-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .testimonials-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .testimonials-scroll::-webkit-scrollbar-thumb {
            background-color: #d1d5db;
            border-radius: 3px;
        }
        .testimonial-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.8rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--highlight);
            transform: translateY(-2px);
        }
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: #e5e7eb;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
        }
        .testimonial-name {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            font-style: italic;
        }

        /* 新闻中心 */
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            padding: 1.3rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .news-item:hover {
            background-color: #f9fafb;
            padding-left: 0.75rem;
            padding-right: 0.75rem;
            border-radius: 0.375rem;
            margin: 0 -0.75rem;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            min-width: 90px;
            padding-top: 0.15rem;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
            line-height: 1.4;
            cursor: pointer;
            transition: color var(--transition-base);
        }
        .news-title:hover {
            color: var(--accent);
        }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }
        .news-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            cursor: pointer;
            transition: color var(--transition-base);
        }
        .news-readmore:hover {
            color: var(--accent-light);
        }

        /* 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .guarantee-card {
            display: flex;
            gap: 1.25rem;
            padding: 1.5rem;
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .guarantee-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--highlight);
        }
        .guarantee-icon {
            font-size: 2rem;
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f0fdf6;
            border-radius: 0.6rem;
        }
        .guarantee-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }
        .guarantee-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: #f9fafb;
            border-radius: 0.6rem;
            border: 1px solid transparent;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.active {
            background-color: #ffffff;
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: #e5e7eb;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 1.2rem;
            font-weight: 700;
            color: #6b7280;
        }
        .faq-item.active .faq-icon {
            background-color: var(--accent);
            color: #ffffff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.3rem;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--primary);
            padding: 0.8rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }
        .sticky-cta-text {
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }
        .sticky-cta-bar .btn-primary {
            font-size: 0.95rem;
            padding: 0.65rem 1.6rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: #d1d5db;
            padding: 3rem 0 7rem;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            display: block;
        }
        .footer-desc {
            color: #9ca3af;
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .footer-heading {
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-links a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.8rem;
            color: #6b7280;
        }
        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            body {
                padding-top: 60px;
            }
            .site-header .container {
                height: 60px;
            }
            .progress-steps-bar {
                top: 60px;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .selling-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-row {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .scene-row.reverse {
                direction: ltr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-block {
                padding: 3.5rem 0;
            }
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                padding: 1rem;
                gap: 0.3rem;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
                z-index: 99;
            }
            .nav-links.mobile-open a {
                padding: 0.75rem 1rem;
                border-radius: 0.5rem;
                font-size: 1rem;
            }
            .progress-steps {
                gap: 0;
            }
            .progress-step .step-circle {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
            .progress-step .step-label {
                font-size: 0.7rem;
            }
            .progress-steps::before {
                top: 22px;
                left: 6%;
                right: 6%;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-section {
                min-height: 70vh;
                background-attachment: scroll;
            }
            .selling-points-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .testimonial-card {
                flex: 0 0 280px;
            }
            .live-banner {
                flex-direction: column;
                text-align: center;
                padding: 1.8rem;
            }
            .live-countdown {
                justify-content: center;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 0.6rem;
                text-align: center;
                padding: 0.7rem;
            }
            .sticky-cta-text {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-stats-row {
                gap: 1.5rem;
            }
            .hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .news-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .news-date {
                min-width: auto;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .btn {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
            .progress-steps-bar {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .progress-steps {
                min-width: 500px;
            }
            .progress-steps::before {
                left: 8%;
                right: 8%;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 1rem;
                flex-wrap: wrap;
            }
            .testimonial-card {
                flex: 0 0 250px;
            }
            .countdown-item {
                min-width: 50px;
                padding: 0.5rem 0.7rem;
            }
            .countdown-item .cd-num {
                font-size: 1.3rem;
            }
            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.9rem;
            }
            .site-logo {
                font-size: 1.15rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 页面Hero */
        .page-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: scroll;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.85) 0%, rgba(26, 47, 43, 0.7) 50%, rgba(30, 36, 40, 0.75) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 2rem 0;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.35);
            color: var(--highlight);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .page-hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        .page-hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

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

        .page-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 1.5rem;
            max-width: 540px;
        }

        /* 筛选标签 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 2rem;
            padding: 1.5rem 0 0.5rem;
        }

        .filter-tag {
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-base);
            background-color: #ffffff;
            color: var(--text-secondary);
            border: 1.5px solid var(--border-light);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .filter-tag.active-tag {
            background-color: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
        }

        /* 新闻列表 */
        .news-list-section {
            padding: 2rem 0 4rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.75rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            background-color: rgba(26, 47, 43, 0.02);
            padding-left: 0.75rem;
            border-radius: 0.5rem;
            margin: 0 -0.75rem;
            padding-right: 0.75rem;
            box-shadow: var(--shadow-card);
        }

        .news-item-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: #e5e7eb;
        }

        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .news-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }

        .news-item-date {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        .news-item-category {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 1rem;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            white-space: nowrap;
        }

        .news-item-category.cat-accent {
            background-color: rgba(255, 107, 61, 0.1);
            color: var(--accent);
        }

        .news-item-title {
            font-size: 1.2rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            transition: color var(--transition-base);
        }

        .news-item:hover .news-item-title {
            color: var(--accent);
        }

        .news-item-excerpt {
            font-size: 0.95rem;
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-readmore {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition-base);
        }

        .news-item-readmore:hover {
            color: var(--accent-light);
            gap: 0.6rem;
        }

        .news-item-readmore .arrow {
            transition: transform var(--transition-base);
        }

        .news-item-readmore:hover .arrow {
            transform: translateX(3px);
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 2.5rem 0 1rem;
            flex-wrap: wrap;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-base);
            background-color: #ffffff;
            color: var(--text-primary);
            border: 1.5px solid var(--border-light);
        }

        .pagination-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(255, 107, 61, 0.04);
        }

        .pagination-btn.active-page {
            background-color: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
            font-weight: 700;
        }

        .pagination-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* CTA区块 */
        .cta-section {
            padding: 4rem 0;
            background-color: var(--primary);
            text-align: center;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .cta-section .cta-desc {
            font-size: 1.05rem;
            color: #d1d5db;
            margin-bottom: 1.75rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-large {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.5rem;
            background-color: var(--accent);
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
        }

        .cta-btn-large:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 61, 0.35);
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background-color: var(--primary);
            padding: 0.7rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }

        .sticky-bottom-bar .bar-text {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-btn {
            padding: 0.55rem 1.6rem;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .sticky-bottom-bar .bar-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-1px);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            padding: 3rem 0 1.5rem;
            color: var(--text-light);
            margin-bottom: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #9ca3af;
            max-width: 280px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .news-item {
                flex-direction: column;
                gap: 1rem;
            }
            .news-item-thumb {
                width: 100%;
                height: 180px;
            }
            .page-hero {
                min-height: 30vh;
            }
            .page-hero-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                padding: 1rem;
                gap: 0.3rem;
                box-shadow: var(--shadow-card-hover);
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: 0.5rem;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 0.5rem;
            }
            .hamburger {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .page-hero {
                min-height: 28vh;
            }
            .page-hero-title {
                font-size: 1.6rem;
            }
            .page-hero-subtitle {
                font-size: 0.95rem;
            }
            .filter-tags {
                gap: 0.35rem;
            }
            .filter-tag {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .news-item {
                padding: 1.25rem 0;
            }
            .news-item-title {
                font-size: 1.05rem;
            }
            .news-item-thumb {
                height: 160px;
            }
            .sticky-bottom-bar {
                padding: 0.55rem 1rem;
                gap: 0.75rem;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .bar-btn {
                padding: 0.45rem 1.2rem;
                font-size: 0.8rem;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .pagination-btn {
                min-width: 34px;
                height: 34px;
                font-size: 0.8rem;
                padding: 0 0.6rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 24vh;
            }
            .page-hero-title {
                font-size: 1.4rem;
            }
            .news-item-thumb {
                height: 140px;
            }
            .news-item-title {
                font-size: 1rem;
            }
            .news-item-excerpt {
                font-size: 0.85rem;
                -webkit-line-clamp: 2;
            }
            .filter-tags {
                gap: 0.3rem;
            }
            .filter-tag {
                padding: 0.35rem 0.7rem;
                font-size: 0.75rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 0.4rem;
                text-align: center;
                padding: 0.5rem 1rem;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.75rem;
            }
            .sticky-bottom-bar .bar-btn {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 页面Hero */
        .page-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 47, 43, 0.9) 0%, rgba(26, 47, 43, 0.7) 40%, rgba(30, 36, 40, 0.8) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 3rem 0;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.35);
            color: var(--highlight);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        .page-hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .page-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: 0.01em;
        }

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

        .page-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 2rem;
            max-width: 540px;
        }

        .page-hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background-color: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 61, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background-color: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .btn-text:hover {
            color: var(--accent-light);
            gap: 0.6rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.75rem 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--highlight));
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

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

        .stat-card .stat-icon {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
            display: block;
        }

        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 0.35rem;
            letter-spacing: -0.01em;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .stat-card .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.8rem;
            color: var(--highlight-dark);
            font-weight: 600;
            margin-top: 0.4rem;
        }

        /* 赛事数据卡片网格 */
        .match-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .match-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .match-card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .match-card-body {
            padding: 1.5rem;
        }

        .match-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .match-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .match-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .match-card-stats {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }

        .match-card-stats .mini-stat {
            text-align: center;
            flex: 1;
            min-width: 50px;
        }

        .match-card-stats .mini-stat-value {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
        }

        .match-card-stats .mini-stat-label {
            font-size: 0.7rem;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        /* 数据表格区 */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            background: #ffffff;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 700px;
        }

        .data-table thead {
            background-color: var(--primary);
            color: #ffffff;
        }

        .data-table thead th {
            padding: 1rem 1.2rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-primary);
            white-space: nowrap;
        }

        .data-table tbody tr {
            transition: background-color var(--transition-base);
        }

        .data-table tbody tr:hover {
            background-color: #f0fdf6;
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .data-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
        }

        .rank-top {
            background-color: var(--highlight);
            color: #fff;
        }

        .rank-good {
            background-color: rgba(0, 229, 160, 0.2);
            color: var(--primary);
        }

        .rank-normal {
            background-color: #f0f0f0;
            color: var(--text-secondary);
        }

        .trend-up {
            color: var(--highlight-dark);
            font-weight: 600;
        }

        .trend-down {
            color: #e74c3c;
            font-weight: 600;
        }

        /* 图文交错 */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .feature-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .feature-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.25rem;
            font-size: 0.95rem;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
        }

        .feature-list li {
            padding: 0.5rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            color: var(--text-primary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .feature-list li::before {
            content: '✓';
            color: var(--highlight-dark);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.08);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 1rem;
            color: #d1d5db;
            margin-bottom: 1.75rem;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 0.85rem 2.2rem;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #ffffff;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            background: #fafbfc;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: all var(--transition-base);
            font-family: inherit;
            line-height: 1.5;
        }

        .faq-question:hover {
            background: #f0f4f2;
            color: var(--primary);
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--text-secondary);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            background: #ffffff;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

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

        .footer-links li {
            margin-bottom: 0.45rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        /* 板块通用 */
        .section {
            padding: 4rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-image {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero-title {
                font-size: 2.2rem;
            }
            .page-hero {
                min-height: 45vh;
            }
            .section {
                padding: 3rem 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--primary);
                flex-direction: column;
                align-items: stretch;
                padding: 1.5rem 1rem;
                gap: 0.3rem;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 99;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-links a {
                padding: 0.85rem 1rem;
                font-size: 1rem;
                border-radius: 0.5rem;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 0.5rem;
            }
            .hamburger {
                display: flex;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
            .match-cards-grid {
                grid-template-columns: 1fr;
            }
            .page-hero-title {
                font-size: 1.8rem;
            }
            .page-hero {
                min-height: 40vh;
                background-attachment: scroll;
            }
            .page-hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .data-table-wrap {
                font-size: 0.75rem;
            }
            .feature-image {
                height: 220px;
            }
            .feature-text h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .page-hero-title {
                font-size: 1.5rem;
            }
            .page-hero {
                min-height: 35vh;
            }
            .page-hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 0.6rem 0.7rem;
                font-size: 0.7rem;
            }
            .match-card-image {
                height: 160px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                flex-direction: column;
                gap: 0;
                padding: 0.5rem 1rem 1.5rem;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                z-index: 99;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 0.5rem;
                text-align: center;
            }
        }

        /* 页面Hero */
        .page-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.9) 0%, rgba(26, 47, 43, 0.75) 50%, rgba(30, 36, 40, 0.8) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 3rem 0;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(255, 107, 61, 0.2);
            border: 1px solid rgba(255, 107, 61, 0.4);
            color: var(--accent-light);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        .page-hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .page-hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: 0.01em;
        }

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

        .page-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 2rem;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #ffffff;
        }

        .btn-primary:hover {
            background-color: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 107, 61, 0.35);
        }

        .btn-outline {
            background-color: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            transform: translateY(-1px);
        }

        .btn-dark {
            background-color: var(--primary);
            color: #ffffff;
        }

        .btn-dark:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(26, 47, 43, 0.35);
        }

        .btn-accent-outline {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-accent-outline:hover {
            background-color: var(--accent);
            color: #ffffff;
            transform: translateY(-1px);
        }

        /* 板块通用 */
        .section {
            padding: 5rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 服务图文交错区块 */
        .service-block {
            padding: 4rem 0;
            border-bottom: 1px solid var(--border-light);
        }

        .service-block:last-of-type {
            border-bottom: none;
        }

        .service-row {
            display: flex;
            align-items: center;
            gap: 3.5rem;
        }

        .service-row.reverse {
            flex-direction: row-reverse;
        }

        .service-image-wrap {
            flex: 0 0 46%;
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .service-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform 0.4s ease;
        }

        .service-image-wrap:hover img {
            transform: scale(1.04);
        }

        .service-image-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .service-text-wrap {
            flex: 1;
        }

        .service-number {
            display: inline-block;
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.12;
            line-height: 1;
            margin-bottom: 0.25rem;
            letter-spacing: -0.03em;
        }

        .service-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .service-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }

        .service-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .service-features li {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background-color: #F0F5F3;
            color: var(--primary);
            padding: 0.4rem 0.85rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .service-features li .feat-icon {
            color: var(--highlight-dark);
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* 服务流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .process-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
        }

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

        .process-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .process-card:nth-child(2) .process-step-num {
            background-color: var(--primary-light);
        }
        .process-card:nth-child(3) .process-step-num {
            background-color: var(--accent);
        }
        .process-card:nth-child(4) .process-step-num {
            background-color: var(--highlight-dark);
        }

        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .process-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 数据亮点 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        .stat-icon {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
            display: block;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        .stat-number .stat-unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.15rem 1.5rem;
            background-color: #F8F9FA;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            transition: all var(--transition-base);
            gap: 1rem;
        }

        .faq-item.active .faq-question {
            background-color: #F0F5F3;
            color: var(--primary-dark);
        }

        .faq-question:hover {
            color: var(--accent);
            background-color: #F0F5F3;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: #E5E7EB;
            transition: all var(--transition-base);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-secondary);
        }

        .faq-item.active .faq-icon {
            background-color: var(--accent);
            color: #ffffff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.5rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* CTA区域 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 4.5rem 0;
            text-align: center;
        }

        .cta-section .section-title {
            color: #ffffff;
        }

        .cta-section .section-desc {
            color: #d1d5db;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9CA3AF;
            line-height: 1.7;
            margin-top: 0.75rem;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: #9CA3AF;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: #9CA3AF;
        }

        .footer-bottom a {
            color: #9CA3AF;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .service-row,
            .service-row.reverse {
                flex-direction: column;
                gap: 2rem;
            }
            .service-image-wrap {
                flex: 0 0 100%;
                width: 100%;
            }
            .service-image-wrap img {
                aspect-ratio: 16/9;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .page-hero {
                min-height: 40vh;
                background-attachment: scroll;
            }
            .page-hero-title {
                font-size: 2.2rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .service-number {
                font-size: 2.5rem;
            }
            .service-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 640px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .page-hero-title {
                font-size: 1.75rem;
            }
            .page-hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 0.75rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .service-features {
                gap: 0.4rem;
            }
            .service-features li {
                font-size: 0.78rem;
                padding: 0.3rem 0.65rem;
            }
            .stat-number {
                font-size: 1.75rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 1rem 1.15rem;
            }
            .faq-answer-inner {
                padding: 0 1.15rem 1.15rem;
                font-size: 0.88rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 页面Hero */
        .page-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 47, 43, 0.9) 0%, rgba(26, 47, 43, 0.75) 40%, rgba(30, 36, 40, 0.82) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 2.5rem 0;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.35);
            color: var(--highlight);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .page-hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

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

        .page-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 2rem;
            max-width: 560px;
        }

        /* 优惠券墙Hero卡片 */
        .coupon-hero-card {
            background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
            border-radius: 1rem;
            padding: 2rem 2.5rem;
            box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.25);
            border: 2px solid var(--highlight);
            position: relative;
            overflow: hidden;
            max-width: 420px;
            display: inline-block;
        }

        .coupon-hero-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: var(--highlight);
            border-radius: 50%;
            opacity: 0.15;
        }

        .coupon-hero-card .coupon-badge {
            display: inline-block;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.3rem 0.9rem;
            border-radius: 1.5rem;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }

        .coupon-hero-card .coupon-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .coupon-hero-card .coupon-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            line-height: 1.5;
        }

        .coupon-hero-card .coupon-btn {
            display: inline-block;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .coupon-hero-card .coupon-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 61, 0.3);
        }

        .coupon-hero-card .coupon-code {
            display: inline-block;
            background-color: #f0fdf7;
            border: 1px dashed var(--highlight);
            color: var(--primary);
            padding: 0.5rem 1.2rem;
            border-radius: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.06em;
            margin-top: 0.75rem;
        }

        /* 板块通用 */
        .section {
            padding: 4.5rem 0;
        }

        .section-sm {
            padding: 3rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            max-width: 650px;
            line-height: 1.6;
        }

        .section-title-accent {
            color: var(--accent);
        }

        /* 品牌故事区块 */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .brand-story-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .brand-story-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .brand-story-text h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.25rem;
            line-height: 1.3;
        }

        .brand-story-text p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .brand-story-text .highlight-stat {
            display: inline-block;
            color: var(--accent);
            font-weight: 700;
            font-size: 1.15rem;
        }

        /* 时间轴 */
        .timeline {
            position: relative;
            padding-left: 2.5rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--accent) 0%, var(--highlight) 50%, var(--primary) 100%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 0.4rem;
            width: 14px;
            height: 14px;
            background-color: var(--accent);
            border-radius: 50%;
            border: 3px solid #ffffff;
            box-shadow: 0 0 0 3px var(--accent-light);
            z-index: 2;
            transform: translateX(-5.5px);
        }

        .timeline-item:nth-child(even)::before {
            background-color: var(--highlight);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
        }

        .timeline-year {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.05em;
            margin-bottom: 0.35rem;
        }

        .timeline-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.4rem;
        }

        .timeline-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 价值观卡片 */
        .values-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .value-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
        }

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

        .value-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.5rem;
            color: var(--highlight-dark);
            font-weight: 700;
        }

        .value-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }

        .value-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 数据展示区 */
        .stats-bar {
            background-color: var(--primary);
            border-radius: 1rem;
            padding: 2.5rem 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--highlight);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: #d1d5db;
            font-weight: 500;
        }

        /* CTA区块 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 1rem;
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: var(--highlight);
            border-radius: 50%;
            opacity: 0.08;
        }

        .cta-section h3 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: #d1d5db;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-block;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.85rem 2.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            cursor: pointer;
        }

        .cta-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 107, 61, 0.35);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

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

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #9ca3af;
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .brand-story-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .brand-story-image {
                order: -1;
                max-height: 350px;
            }

            .brand-story-image img {
                height: 100%;
                object-fit: cover;
            }

            .values-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .page-hero-title {
                font-size: 2.25rem;
            }

            .coupon-hero-card {
                max-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                flex-direction: column;
                padding: 0.75rem 1rem;
                gap: 0.15rem;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: 0.375rem;
                width: 100%;
            }

            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 0.25rem;
            }

            .hamburger {
                display: flex;
            }

            .page-hero {
                min-height: 45vh;
                background-attachment: scroll;
            }

            .page-hero-title {
                font-size: 1.85rem;
            }

            .page-hero-subtitle {
                font-size: 0.95rem;
            }

            .section {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .values-grid {
                grid-template-columns: 1fr;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 1.75rem 1.25rem;
            }

            .stat-item .stat-number {
                font-size: 2rem;
            }

            .timeline {
                padding-left: 1.75rem;
            }

            .timeline-item {
                padding-left: 1.25rem;
            }

            .timeline-item::before {
                left: -1.75rem;
                width: 10px;
                height: 10px;
                transform: translateX(-5px);
            }

            .cta-section {
                padding: 2rem 1.5rem;
            }

            .cta-section h3 {
                font-size: 1.35rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }

            .coupon-hero-card {
                padding: 1.5rem;
            }

            .coupon-hero-card .coupon-title {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero-title {
                font-size: 1.5rem;
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .brand-story-text h2 {
                font-size: 1.4rem;
            }

            .coupon-hero-card {
                padding: 1.25rem;
            }

            .coupon-hero-card .coupon-btn {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 板块间距 */
        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        /* Hero区域 */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.9) 0%, rgba(26, 47, 43, 0.75) 50%, rgba(30, 36, 40, 0.8) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 3rem 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(255, 107, 61, 0.2);
            border: 1px solid rgba(255, 107, 61, 0.4);
            color: var(--accent-light);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: 0.01em;
        }

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

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 1.5rem;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 61, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: transparent;
            color: #ffffff;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* 倒计时模块 */
        .countdown-bar {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            background-color: rgba(0, 0, 0, 0.35);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.8rem;
            margin-top: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
        }

        .countdown-item {
            text-align: center;
            min-width: 55px;
        }

        .countdown-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--highlight);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: #b0b7bd;
            margin-top: 0.35rem;
            letter-spacing: 0.04em;
        }

        .countdown-separator {
            font-size: 1.6rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1;
        }

        .countdown-info {
            font-size: 0.9rem;
            color: #d1d5db;
            margin-left: 0.5rem;
            line-height: 1.5;
            flex: 1;
            min-width: 180px;
        }

        /* 统计条 */
        .stats-strip {
            background-color: #ffffff;
            border-bottom: 1px solid var(--border-light);
            padding: 2rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-number .accent-num {
            color: var(--accent);
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* 评价卡片 */
        .testimonial-featured {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
        }

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

        .testimonial-featured .quote-icon {
            font-size: 3rem;
            color: var(--accent);
            opacity: 0.25;
            line-height: 1;
            position: absolute;
            top: 1.5rem;
            left: 1.5rem;
            font-family: Georgia, 'Times New Roman', serif;
        }

        .testimonial-featured .testimonial-body {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-primary);
            padding-left: 0.5rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 1.5rem;
            padding-top: 1.2rem;
            border-top: 1px solid var(--border-light);
        }

        .testimonial-author .author-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 3px solid var(--bg-light);
        }

        .testimonial-author .author-info {
            flex: 1;
        }

        .testimonial-author .author-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .testimonial-author .author-role {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 0.15rem;
        }

        .star-rating {
            display: flex;
            gap: 3px;
            color: #F59E0B;
            font-size: 1rem;
            margin-top: 0.3rem;
        }

        /* 案例详情卡片 */
        .case-detail-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .case-detail-card .case-image {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .case-detail-card .case-body {
            padding: 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-detail-card .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .case-detail-card .case-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .case-detail-card .case-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 1.2rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .case-tag {
            display: inline-block;
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--highlight-dark);
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* 视频案例区 */
        .video-case-section {
            background-color: var(--bg-dark);
            color: #ffffff;
        }

        .video-case-card {
            background-color: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 2rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .video-case-card:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        .video-play-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: #ffffff;
            transition: all var(--transition-base);
        }

        .video-case-card:hover .video-play-icon {
            background-color: var(--accent-light);
            transform: scale(1.08);
            box-shadow: 0 0 30px rgba(255, 107, 61, 0.5);
        }

        /* FAQ */
        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            background-color: #F8F9FA;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: all var(--transition-base);
            gap: 1rem;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--accent);
            background-color: #F0F2F5;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            background-color: var(--accent);
            color: #ffffff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            background-color: #ffffff;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 1rem 1.5rem 1.5rem;
        }

        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            font-size: 0.95rem;
        }

        /* CTA区域 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #ffffff;
            text-align: center;
            padding: 4rem 0;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-section .cta-desc {
            color: #d1d5db;
            max-width: 560px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }

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

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #b0b7bd;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-weight: 700;
            font-size: 0.95rem;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #b0b7bd;
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .testimonial-grid-lg {
                grid-template-columns: 1fr;
            }
            .countdown-bar {
                gap: 1rem;
                padding: 1rem;
            }
            .countdown-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            .site-header .container {
                height: 56px;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                flex-direction: column;
                padding: 1rem;
                gap: 0.3rem;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
                z-index: 99;
                max-height: calc(100vh - 56px);
                overflow-y: auto;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                width: 100%;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
            }
            .hamburger {
                display: flex;
            }
            .hero-section {
                min-height: 60vh;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.6rem;
                text-align: center;
            }
            .section-padding {
                padding: 2rem 0;
            }
            .countdown-bar {
                flex-wrap: wrap;
                justify-content: center;
                text-align: center;
            }
            .countdown-info {
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .testimonial-featured {
                padding: 1.5rem;
            }
            .testimonial-featured .quote-icon {
                font-size: 2rem;
                top: 1rem;
                left: 1rem;
            }
            .countdown-num {
                font-size: 1.3rem;
            }
            .countdown-item {
                min-width: 42px;
            }
            .countdown-separator {
                font-size: 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 帮助中心 Hero */
        .help-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .help-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.9) 0%, rgba(26, 47, 43, 0.75) 50%, rgba(30, 36, 40, 0.8) 100%);
            z-index: 1;
        }

        .help-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 2.5rem 0;
        }

        .help-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.35);
            color: var(--highlight);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .help-hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .help-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

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

        .help-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 1.5rem;
            max-width: 520px;
        }

        /* 搜索框 */
        .search-section {
            padding: 2rem 0;
            background-color: #ffffff;
            border-bottom: 1px solid var(--border-light);
        }

        .search-wrapper {
            max-width: 640px;
            margin: 0 auto;
            display: flex;
            gap: 0.5rem;
        }

        .search-input {
            flex: 1;
            padding: 0.85rem 1.25rem;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-btn);
            font-size: 1rem;
            color: var(--text-primary);
            background-color: var(--bg-light);
            transition: all var(--transition-base);
        }

        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 47, 43, 0.1);
            background-color: #ffffff;
        }

        .search-btn {
            padding: 0.85rem 1.75rem;
            background-color: var(--accent);
            color: #ffffff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .search-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 107, 61, 0.35);
        }

        /* 分类入口卡片 */
        .category-grid-section {
            padding: 3.5rem 0;
            background-color: var(--bg-light);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .category-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            max-width: 1100px;
            margin: 0 auto;
        }

        .category-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 1.75rem 1.25rem;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            text-decoration: none;
            display: block;
        }

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

        .category-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(26, 47, 43, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            transition: all var(--transition-base);
        }

        .category-card:hover .category-card-icon {
            background-color: rgba(26, 47, 43, 0.12);
            transform: scale(1.05);
        }

        .category-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            letter-spacing: 0.01em;
        }

        .category-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* 热门问题 */
        .hot-questions-section {
            padding: 3.5rem 0;
            background-color: #ffffff;
        }

        .hot-questions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .hot-question-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 1rem 1.25rem;
            background-color: var(--bg-light);
            border-radius: var(--radius-card);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--text-primary);
        }

        .hot-question-item:hover {
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: var(--shadow-card);
        }

        .hot-question-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            line-height: 1;
        }

        .hot-question-text {
            font-size: 0.95rem;
            font-weight: 500;
            line-height: 1.5;
            color: var(--text-primary);
        }

        /* FAQ 手风琴区域 */
        .faq-section {
            padding: 3.5rem 0;
            background-color: var(--bg-light);
        }

        .faq-section:nth-child(even) {
            background-color: #ffffff;
        }

        .faq-block {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-block-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 3px solid var(--highlight);
            display: inline-block;
            letter-spacing: 0.01em;
        }

        .faq-block-subtitle {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 1.75rem;
        }

        .accordion-item {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .accordion-item:hover {
            border-color: #d1d5db;
        }

        .accordion-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
        }

        .accordion-header {
            width: 100%;
            padding: 1.1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-base);
            gap: 1rem;
            line-height: 1.4;
        }

        .accordion-header:hover {
            color: var(--primary);
            background-color: rgba(26, 47, 43, 0.02);
        }

        .accordion-item.active .accordion-header {
            color: var(--primary);
            background-color: rgba(26, 47, 43, 0.03);
        }

        .accordion-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            position: relative;
            transition: transform var(--transition-base);
        }

        .accordion-icon::before,
        .accordion-icon::after {
            content: '';
            position: absolute;
            background-color: var(--text-secondary);
            transition: all var(--transition-base);
            border-radius: 2px;
        }

        .accordion-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .accordion-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }

        .accordion-item.active .accordion-icon::after {
            opacity: 0;
            transform: translate(-50%, -50%) scale(0);
        }

        .accordion-item.active .accordion-icon::before {
            background-color: var(--accent);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .accordion-item.active .accordion-body {
            max-height: 500px;
        }

        .accordion-body-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* CTA 区域 */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center;
        }

        .cta-section .container {
            max-width: 650px;
        }

        .cta-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }

        .cta-desc {
            font-size: 1rem;
            color: #d1d5db;
            margin-bottom: 1.75rem;
            line-height: 1.6;
        }

        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        .btn-primary-accent {
            display: inline-block;
            padding: 0.85rem 2rem;
            background-color: var(--accent);
            color: #ffffff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-primary-accent:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 107, 61, 0.4);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 0.85rem 2rem;
            background-color: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.6;
            margin: 0;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

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

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

        .footer-links a {
            font-size: 0.9rem;
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .category-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .help-hero-title {
                font-size: 2.2rem;
            }
            .hot-questions-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: var(--primary);
                padding: 1rem;
                gap: 0.3rem;
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 99;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-radius: 0 0 0.75rem 0.75rem;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 0.3rem;
            }
            .help-hero {
                min-height: 35vh;
                background-attachment: scroll;
            }
            .help-hero-title {
                font-size: 1.8rem;
            }
            .help-hero-subtitle {
                font-size: 0.95rem;
            }
            .category-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .category-card {
                padding: 1.25rem 1rem;
            }
            .category-card h3 {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .faq-block-title {
                font-size: 1.2rem;
            }
            .accordion-header {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .accordion-body-inner {
                padding: 0 1rem 1rem;
                font-size: 0.85rem;
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .search-wrapper {
                flex-direction: column;
                padding: 0 1rem;
            }
            .search-btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .help-hero-title {
                font-size: 1.5rem;
            }
            .category-cards-grid {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }
            .category-card {
                padding: 1rem;
                display: flex;
                align-items: center;
                gap: 1rem;
                text-align: left;
            }
            .category-card-icon {
                width: 44px;
                height: 44px;
                margin: 0;
                flex-shrink: 0;
                font-size: 1.2rem;
            }
            .category-card h3 {
                font-size: 0.9rem;
                margin-bottom: 0.15rem;
            }
            .category-card p {
                font-size: 0.78rem;
            }
            .hot-question-item {
                padding: 0.75rem 1rem;
            }
            .hot-question-text {
                font-size: 0.85rem;
            }
            .accordion-header {
                font-size: 0.85rem;
                padding: 0.8rem 0.9rem;
            }
            .accordion-body-inner {
                font-size: 0.8rem;
                padding: 0 0.9rem 0.9rem;
            }
            .btn-primary-accent,
            .btn-outline-light {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1A2F2B;
            --primary-dark: #15211E;
            --primary-light: #243D37;
            --accent: #FF6B3D;
            --accent-light: #FF8A65;
            --highlight: #00E5A0;
            --highlight-dark: #00C48C;
            --bg-light: #F8F9FA;
            --bg-dark: #1E2428;
            --text-primary: #333333;
            --text-secondary: #6B7280;
            --text-light: #E5E7EB;
            --border-light: #E5E7EB;
            --radius-card: 0.75rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition-base: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: var(--primary);
            box-shadow: var(--shadow-card);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #d1d5db;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0.375rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.nav-cta {
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 0.5rem;
        }

        .nav-links a.nav-cta:hover {
            background-color: var(--accent-light);
            color: #ffffff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 42vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 47, 43, 0.85) 0%, rgba(26, 47, 43, 0.7) 50%, rgba(30, 36, 40, 0.75) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 2.5rem 0;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.35);
            color: var(--highlight);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .page-hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--highlight);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        .page-hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .page-hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #d1d5db;
            margin-bottom: 1.5rem;
            max-width: 520px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        /* 联系信息卡片 */
        .contact-info-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }

        .contact-info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d1d5db;
            transform: translateY(-3px);
        }

        .contact-info-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(26, 47, 43, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .contact-info-card:hover .contact-info-icon {
            background-color: var(--primary);
            color: #ffffff;
        }

        .contact-info-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .contact-info-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* 表单 */
        .form-section {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 2.5rem;
        }

        .form-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .form-section .form-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            letter-spacing: 0.01em;
        }

        .form-group label .required {
            color: var(--accent);
            margin-left: 2px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            color: var(--text-primary);
            background-color: #fafbfc;
            transition: all var(--transition-base);
            line-height: 1.5;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(26, 47, 43, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 140px;
        }

        .form-submit-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.85rem 2.5rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .form-submit-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 61, 0.35);
        }

        .form-submit-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* 地图占位 */
        .map-placeholder {
            width: 100%;
            height: 320px;
            border-radius: var(--radius-card);
            background: url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .map-placeholder-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 47, 43, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 0.5rem;
        }

        .map-placeholder-overlay span {
            color: #ffffff;
            font-size: 1.1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .map-placeholder-overlay .map-pin {
            font-size: 2.5rem;
            color: var(--accent);
            animation: bounce-pin 2s ease-in-out infinite;
        }

        @keyframes bounce-pin {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-14px);
            }
        }

        /* FAQ */
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.15rem 1.5rem;
            background: #fafbfc;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: all var(--transition-base);
            gap: 1rem;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--primary);
            background-color: #f0f4f3;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: #e5e7eb;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-secondary);
            line-height: 1;
        }

        .faq-item.active .faq-question .faq-icon {
            background-color: var(--primary);
            color: #ffffff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 61, 0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.08);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: #d1d5db;
            font-size: 1rem;
            margin-bottom: 1.75rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--accent);
            color: #ffffff;
            padding: 0.85rem 2.5rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
        }

        .cta-btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 61, 0.4);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3.5rem 0 0;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.7;
            margin: 0;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

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

        .footer-links li {
            margin-bottom: 0.55rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: #6b7280;
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .page-hero-title {
                font-size: 2.25rem;
            }
            .form-section {
                padding: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--primary-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 1.5rem 1.5rem;
                gap: 0.5rem;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 99;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-links a {
                width: 100%;
                padding: 0.8rem 1rem;
                font-size: 1rem;
                border-radius: 0.5rem;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 0.5rem;
            }
            .hamburger {
                display: flex;
            }
            .page-hero {
                min-height: 32vh;
                background-attachment: scroll;
            }
            .page-hero-title {
                font-size: 1.8rem;
            }
            .page-hero-subtitle {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .form-section {
                padding: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.5rem;
            }
            .map-placeholder {
                height: 240px;
            }
            .contact-info-card {
                padding: 1.25rem 1rem;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 56px;
            }
            .site-header .container {
                height: 56px;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .page-hero {
                min-height: 28vh;
            }
            .page-hero-title {
                font-size: 1.5rem;
            }
            .page-hero-subtitle {
                font-size: 0.85rem;
            }
            .form-submit-btn {
                width: 100%;
                justify-content: center;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
            }
            .nav-links {
                top: 56px;
            }
        }