/* roulang page: index */
:root {
            --primary: #8B1E1E;
            --primary-light: #B3403A;
            --primary-dark: #6E1515;
            --primary-fade: rgba(139, 30, 30, 0.12);
            --accent: #C89B5C;
            --accent-light: #E0B85A;
            --accent-fade: rgba(200, 155, 92, 0.15);
            --bg: #FAF7F2;
            --bg-warm: #F5F1EB;
            --dark-bg: #1C2422;
            --dark-bg-alt: #1E1D1A;
            --dark-card: #25302D;
            --text-dark: #1C1A18;
            --text-body: #3A3735;
            --text-muted: #6F6A66;
            --text-light: #A8A29C;
            --text-on-dark: #EDEAE4;
            --border: #E8E2DA;
            --border-dark: #3A4643;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --shadow-cta: 0 4px 12px rgba(139, 30, 30, 0.25);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-xxl: 72px;
            --spacing-hero: 96px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 1080px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            width: 100%;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder,
        textarea::placeholder {
            color: #B5ADA4;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        section {
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            border: 1px solid var(--primary-fade);
            background-color: rgba(139, 30, 30, 0.06);
            border-radius: var(--radius-pill);
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-desc {
            margin: 0 auto;
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ============ 按钮体系 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            padding: 11px 22px;
            line-height: 1.4;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-base);
            border: 1.5px solid transparent;
            text-decoration: none;
            position: relative;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-cta);
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            box-shadow: 0 8px 20px rgba(139, 30, 30, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 2px 6px rgba(139, 30, 30, 0.2);
            transform: translateY(0);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: rgba(139, 30, 30, 0.1);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-outline:active {
            background-color: rgba(139, 30, 30, 0.18);
            color: var(--primary-dark);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        .btn-block {
            width: 100%;
        }

        .btn-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            position: relative;
            padding-right: 4px;
        }

        .btn-link-arrow i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

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

        .btn-link-arrow:hover i {
            transform: translateX(3px);
        }

        /* ============ 导航栏 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(250, 247, 242, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-md);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-num);
            box-shadow: var(--shadow-cta);
            flex-shrink: 0;
            border: 2px solid var(--accent);
        }

        .nav-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-brand:hover .brand-text {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-cta .btn {
            padding: 9px 18px;
            font-size: 14px;
            border-radius: var(--radius-btn);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .nav-toggle:hover {
            background-color: rgba(139, 30, 30, 0.06);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
            background-color: var(--primary);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
            background-color: var(--primary);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--bg);
            z-index: 99;
            padding: var(--spacing-xl) var(--spacing-lg);
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-sm);
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition-base);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 14px 0;
            text-align: center;
            width: 100%;
            max-width: 360px;
            border-bottom: 1px solid var(--border);
            letter-spacing: 0.5px;
        }

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

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu .btn {
            margin-top: var(--spacing-lg);
            width: 100%;
            max-width: 360px;
        }

        /* ============ Hero 区域 ============ */
        .hero-section {
            padding: var(--spacing-hero) 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 36, 34, 0.82) 0%, rgba(28, 36, 34, 0.65) 50%, rgba(28, 36, 34, 0.82) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(200, 155, 92, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(200, 155, 92, 0.08) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 2;
            opacity: 0.5;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
            color: #fff;
            padding: 0 var(--spacing-lg);
        }

        .hero-badge {
            display: inline-block;
            background: rgba(200, 155, 92, 0.2);
            border: 1px solid rgba(200, 155, 92, 0.5);
            color: var(--accent-light);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-lg);
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.28;
            margin-bottom: var(--spacing-md);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }

        .hero-content .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin: 0 auto var(--spacing-xl);
            letter-spacing: 0.3px;
        }

        .hero-search {
            display: flex;
            align-items: stretch;
            gap: 0;
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-btn);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            transition: box-shadow var(--transition-base);
        }

        .hero-search:focus-within {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 0 3px rgba(200, 155, 92, 0.3);
        }

        .hero-search input {
            flex: 1;
            border: none;
            border-radius: 0;
            padding: 14px 18px;
            font-size: 15px;
            color: var(--text-dark);
            background: #fff;
            min-width: 0;
        }

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

        .hero-search button {
            padding: 14px 22px;
            background-color: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: 0;
            white-space: nowrap;
            transition: background-color var(--transition-fast);
        }

        .hero-search button:hover {
            background-color: var(--primary-light);
        }

        .hero-search button:active {
            background-color: var(--primary-dark);
        }

        .hero-hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            align-items: center;
            margin-bottom: var(--spacing-lg);
        }

        .hero-hot-tags .tag-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            margin-right: 4px;
        }

        .hero-hot-tags a {
            display: inline-block;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 500;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
        }

        .hero-hot-tags a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--text-dark);
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            justify-content: center;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .hero-trust i {
            color: var(--accent-light);
            font-size: 13px;
        }

        .hero-ball-decor {
            position: absolute;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-family: var(--font-num);
            color: #fff;
            z-index: 3;
            pointer-events: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            border: 2px solid rgba(255, 255, 255, 0.25);
        }

        .hero-ball-1 {
            width: 48px;
            height: 48px;
            background-color: var(--primary);
            top: 18%;
            left: 8%;
            animation: floatBall 6s ease-in-out infinite;
        }

        .hero-ball-2 {
            width: 40px;
            height: 40px;
            background-color: var(--accent);
            top: 55%;
            right: 10%;
            animation: floatBall 8s ease-in-out infinite reverse;
            color: var(--text-dark);
        }

        .hero-ball-3 {
            width: 36px;
            height: 36px;
            background-color: #3A6B5D;
            bottom: 15%;
            left: 16%;
            animation: floatBall 7s ease-in-out infinite 1s;
        }

        @keyframes floatBall {
            0%,
            100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-16px);
            }
        }

        /* ============ 指标看板 ============ */
        .metrics-section {
            background-color: var(--dark-bg);
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        .metrics-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(200, 155, 92, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(200, 155, 92, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.6;
            pointer-events: none;
        }

        .metrics-section .section-header h2 {
            color: #fff;
        }

        .metrics-section .section-header .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        .metric-card {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .metric-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            transform: translateY(-3px);
        }

        .metric-number {
            font-size: 38px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .metric-number .metric-unit {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.55);
            margin-left: 2px;
            font-family: var(--font-sans);
        }

        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        /* ============ 服务矩阵 ============ */
        .services-section {
            background-color: var(--bg);
        }

        .service-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.9fr;
            grid-auto-rows: auto;
            gap: var(--spacing-md);
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

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

        .service-card .service-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background-color: var(--bg-warm);
        }

        .service-card .service-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
        }

        .service-card .service-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .service-card .service-link {
            align-self: flex-start;
        }

        .service-card.large {
            grid-row: span 2;
            padding: var(--spacing-xl);
        }

        .service-card.large .service-img {
            height: 200px;
        }

        .service-card.large .service-title {
            font-size: 20px;
        }

        /* ============ 任务进度 ============ */
        .progress-section {
            background-color: var(--bg-warm);
        }

        .progress-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .progress-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            cursor: default;
        }

        .progress-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .progress-card .progress-step {
            display: inline-block;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-num);
        }

        .progress-card .progress-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: var(--spacing-xs);
        }

        .progress-card .progress-bar-wrap {
            height: 6px;
            background-color: var(--bg-warm);
            border-radius: 3px;
            overflow: hidden;
            margin: var(--spacing-sm) 0;
        }

        .progress-card .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
            transition: width 1s ease;
        }

        .progress-card .progress-note {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ============ 结果对比 ============ */
        .compare-section {
            background-color: #fff;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .compare-panel {
            background-color: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            transition: all var(--transition-base);
        }

        .compare-panel:hover {
            border-color: var(--primary-fade);
            box-shadow: var(--shadow-sm);
        }

        .compare-panel .compare-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-panel .compare-title i {
            color: var(--accent);
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .compare-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-body);
        }

        .compare-item:last-child {
            border-bottom: none;
        }

        .compare-item .compare-check {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
        }

        .compare-item .compare-check.yes {
            background-color: #3A6B5D;
            color: #fff;
        }

        .compare-item .compare-check.no {
            background-color: #E8E2DA;
            color: var(--text-muted);
        }

        .compare-item strong {
            color: var(--text-dark);
            font-weight: 600;
        }

        /* ============ 新手入门 ============ */
        .guide-section {
            background-color: var(--bg);
        }

        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .guide-step {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .guide-step .step-num {
            font-size: 48px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--primary-fade);
            line-height: 1;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -2px;
            user-select: none;
        }

        .guide-step .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-xs);
        }

        .guide-step .step-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .guide-step .step-icon {
            position: absolute;
            top: var(--spacing-lg);
            right: var(--spacing-lg);
            font-size: 22px;
            color: var(--accent);
            opacity: 0.7;
        }

        /* ============ 品牌介绍 ============ */
        .brand-section {
            background-color: #fff;
            padding: var(--spacing-xxl) 0;
        }

        .brand-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .brand-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
        }

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

        .brand-text .brand-heading {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.5px;
        }

        .brand-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: var(--spacing-md);
        }

        /* ============ 新闻中心 ============ */
        .news-section {
            background-color: var(--bg-warm);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .news-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-lg);
            transition: all var(--transition-base);
            cursor: default;
            position: relative;
            overflow: hidden;
        }

        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background-color: var(--primary);
            transform: scaleY(0);
            transition: transform var(--transition-base);
            border-radius: 0 2px 2px 0;
        }

        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-fade);
        }

        .news-item:hover::before {
            transform: scaleY(1);
        }

        .news-item .news-date {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            padding-top: 2px;
            min-width: 90px;
            font-family: var(--font-num);
            letter-spacing: 0.5px;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            letter-spacing: -0.2px;
            line-height: 1.4;
        }

        .news-item .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .news-item .news-action {
            flex-shrink: 0;
            align-self: center;
        }

        /* ============ 保障图标条 ============ */
        .guarantee-section {
            background-color: #fff;
            padding: var(--spacing-xl) 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }

        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            border-radius: var(--radius);
            transition: all var(--transition-base);
        }

        .guarantee-item:hover {
            background-color: var(--bg-warm);
        }

        .guarantee-item .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background-color: var(--primary-fade);
            transition: all var(--transition-base);
        }

        .guarantee-item:hover .guarantee-icon {
            background-color: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .guarantee-item .guarantee-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .guarantee-item .guarantee-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background-color: var(--bg);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            letter-spacing: 0.2px;
            font-family: var(--font-sans);
        }

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

        .faq-item.open .faq-question {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: transform var(--transition-base);
            font-weight: 400;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 var(--spacing-lg);
            transition: all var(--transition-base);
            background-color: var(--bg-warm);
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
        }

        /* ============ 转化表单 ============ */
        .cta-section {
            background-color: var(--dark-bg);
            padding: var(--spacing-xxl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(200, 155, 92, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(200, 155, 92, 0.06) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.5;
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-text .cta-heading {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: var(--spacing-md);
            line-height: 1.35;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-dark);
        }

        .cta-form .form-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-lg);
            text-align: center;
        }

        .cta-form .form-group {
            margin-bottom: var(--spacing-md);
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .cta-form .form-row {
            display: flex;
            gap: var(--spacing-sm);
        }

        .cta-form .form-row .form-group {
            flex: 1;
            margin-bottom: 0;
        }

        .cta-form .form-row .btn-outline {
            flex-shrink: 0;
            padding: 10px 14px;
            font-size: 13px;
            border-color: #D9D2C8;
            color: var(--text-body);
            white-space: nowrap;
        }

        .cta-form .form-row .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-fade);
        }

        .cta-form .btn-primary {
            width: 100%;
            margin-top: var(--spacing-sm);
        }

        .cta-form .privacy-note {
            font-size: 11px;
            color: var(--text-muted);
            text-align: center;
            margin-top: var(--spacing-sm);
            line-height: 1.5;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--dark-bg-alt);
            color: var(--text-light);
            font-size: 13px;
            padding: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: var(--spacing-xl);
            padding: var(--spacing-xxl) 0 var(--spacing-xl);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand .footer-logo .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            font-family: var(--font-num);
            border: 2px solid var(--accent);
        }

        .footer-brand .footer-logo span {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .footer-brand .footer-desc {
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 240px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: var(--spacing-lg) 0;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
        }

        .footer-copyright {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-beian span {
            white-space: nowrap;
        }

        .footer-links-bottom {
            display: flex;
            gap: var(--spacing-md);
            align-items: center;
        }

        .footer-links-bottom a {
            font-size: 12px;
            color: var(--text-light);
        }

        .footer-links-bottom a:hover {
            color: #fff;
        }

        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            :root {
                --spacing-xxl: 56px;
                --spacing-hero: 72px;
            }

            .nav-links {
                gap: 14px;
            }

            .nav-links a {
                font-size: 13px;
            }

            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }

            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .service-card.large {
                grid-column: span 2;
                grid-row: auto;
            }

            .progress-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .compare-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .guide-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }

            .brand-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .brand-image {
                max-width: 500px;
                margin: 0 auto;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .cta-form {
                max-width: 500px;
                margin: 0 auto;
                width: 100%;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --spacing-xxl: 44px;
                --spacing-hero: 52px;
                --spacing-xl: 28px;
                --nav-height: 60px;
            }

            body {
                font-size: 14px;
                line-height: 1.7;
            }

            section {
                padding: var(--spacing-xxl) 0;
            }

            .container,
            .container-narrow {
                padding: 0 var(--spacing-md);
            }

            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .mobile-menu.open {
                display: flex;
            }

            .hero-section {
                min-height: 480px;
                padding: var(--spacing-hero) 0;
            }

            .hero-content h1 {
                font-size: 22px;
                line-height: 1.35;
                letter-spacing: -0.3px;
            }

            .hero-content .hero-desc {
                font-size: 14px;
                line-height: 1.7;
                margin-bottom: var(--spacing-lg);
            }

            .hero-search {
                max-width: 100%;
                border-radius: var(--radius-sm);
            }

            .hero-search input {
                padding: 12px 14px;
                font-size: 14px;
            }

            .hero-search button {
                padding: 12px 16px;
                font-size: 13px;
            }

            .hero-hot-tags {
                gap: 6px;
            }

            .hero-hot-tags a {
                padding: 4px 10px;
                font-size: 11px;
            }

            .hero-trust {
                gap: var(--spacing-lg);
                font-size: 11px;
                flex-wrap: wrap;
            }

            .hero-ball-1 {
                width: 36px;
                height: 36px;
                top: 12%;
                left: 4%;
            }

            .hero-ball-2 {
                width: 30px;
                height: 30px;
                right: 5%;
            }

            .hero-ball-3 {
                width: 28px;
                height: 28px;
                left: 8%;
            }

            .section-header h2 {
                font-size: 20px;
                line-height: 1.4;
            }

            .section-header .section-desc {
                font-size: 13px;
                line-height: 1.7;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-xs);
            }

            .metric-card {
                padding: var(--spacing-md);
                border-radius: var(--radius-sm);
            }

            .metric-number {
                font-size: 28px;
            }

            .metric-number .metric-unit {
                font-size: 12px;
            }

            .metric-label {
                font-size: 11px;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .service-card.large {
                grid-column: auto;
            }

            .service-card {
                padding: var(--spacing-md);
            }

            .service-card.large {
                padding: var(--spacing-md);
            }

            .service-card .service-img {
                height: 120px;
            }

            .service-card.large .service-img {
                height: 160px;
            }

            .service-card .service-title {
                font-size: 15px;
            }

            .service-card.large .service-title {
                font-size: 16px;
            }

            .service-card .service-desc {
                font-size: 13px;
            }

            .progress-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .progress-card {
                padding: var(--spacing-md);
                border-radius: var(--radius-sm);
            }

            .compare-panel {
                padding: var(--spacing-md);
                border-radius: var(--radius-sm);
            }

            .compare-panel .compare-title {
                font-size: 15px;
            }

            .compare-item {
                font-size: 13px;
                padding: 8px 0;
            }

            .guide-steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .guide-step {
                padding: var(--spacing-md);
                border-radius: var(--radius-sm);
            }

            .guide-step .step-num {
                font-size: 36px;
            }

            .guide-step .step-title {
                font-size: 15px;
            }

            .guide-step .step-desc {
                font-size: 13px;
            }

            .brand-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .brand-text .brand-heading {
                font-size: 18px;
            }

            .brand-text p {
                font-size: 14px;
                line-height: 1.75;
            }

            .news-item {
                padding: var(--spacing-sm) var(--spacing-md);
                gap: var(--spacing-sm);
                flex-direction: column;
            }

            .news-item .news-date {
                font-size: 11px;
                min-width: auto;
                padding-top: 0;
            }

            .news-item .news-title {
                font-size: 14px;
            }

            .news-item .news-excerpt {
                font-size: 12px;
            }

            .news-item .news-action {
                align-self: flex-start;
                margin-top: var(--spacing-xs);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-xs);
            }

            .guarantee-item {
                padding: var(--spacing-sm);
            }

            .guarantee-item .guarantee-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .guarantee-item .guarantee-label {
                font-size: 12px;
            }

            .guarantee-item .guarantee-desc {
                font-size: 11px;
            }

            .faq-question {
                font-size: 14px;
                padding: var(--spacing-sm) var(--spacing-md);
            }

            .faq-answer {
                font-size: 13px;
                line-height: 1.7;
            }

            .faq-item.open .faq-answer {
                padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            }

            .cta-form {
                padding: var(--spacing-md);
                border-radius: var(--radius-sm);
            }

            .cta-form .form-title {
                font-size: 14px;
                margin-bottom: var(--spacing-md);
            }

            .cta-form .form-row {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

            .cta-form .form-row .btn-outline {
                width: 100%;
            }

            .cta-text .cta-heading {
                font-size: 18px;
                text-align: center;
            }

            .cta-text p {
                font-size: 13px;
                text-align: center;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
                padding: var(--spacing-xl) 0 var(--spacing-md);
            }

            .footer-brand .footer-desc {
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
                padding: var(--spacing-md) 0;
            }

            .footer-beian {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }

            .footer-links-bottom {
                gap: var(--spacing-sm);
            }

            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }

            .btn {
                padding: 9px 16px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --spacing-xxl: 36px;
                --spacing-hero: 40px;
                --spacing-md: 12px;
                --spacing-lg: 16px;
                --spacing-xl: 20px;
            }

            body {
                font-size: 13px;
            }

            .hero-content h1 {
                font-size: 19px;
                letter-spacing: -0.2px;
            }

            .hero-content .hero-desc {
                font-size: 13px;
            }

            .hero-trust {
                gap: var(--spacing-sm);
                font-size: 10px;
            }

            .hero-ball-1 {
                display: none;
            }

            .hero-ball-2 {
                display: none;
            }

            .hero-ball-3 {
                display: none;
            }

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

            .metric-number {
                font-size: 24px;
            }

            .metric-label {
                font-size: 10px;
            }

            .section-header h2 {
                font-size: 18px;
            }

            .service-card .service-img {
                height: 100px;
            }

            .service-card.large .service-img {
                height: 130px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 4px;
            }

            .guarantee-item .guarantee-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .faq-question {
                font-size: 13px;
                padding: 10px 12px;
            }

            .faq-answer {
                font-size: 12px;
            }

            .cta-form {
                padding: var(--spacing-sm) var(--spacing-md);
            }

            .cta-form .btn-primary {
                font-size: 13px;
                padding: 11px 16px;
            }

            .cta-form .privacy-note {
                font-size: 10px;
            }

            .news-item .news-title {
                font-size: 13px;
            }

            .brand-text p {
                font-size: 13px;
            }

            .footer-col h4 {
                font-size: 13px;
            }

            .footer-col ul a {
                font-size: 12px;
            }
        }

        /* ============ 动画辅助 ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }

        .fade-in-up-delay-1 {
            animation-delay: 0.15s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .fade-in-up-delay-2 {
            animation-delay: 0.3s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .fade-in-up-delay-3 {
            animation-delay: 0.45s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

/* roulang page: category1 */
:root {
            --primary: #8B1E1E;
            --primary-light: #B3403A;
            --primary-dark: #6E1515;
            --primary-fade: rgba(139, 30, 30, 0.12);
            --accent: #C89B5C;
            --accent-light: #E0B85A;
            --accent-fade: rgba(200, 155, 92, 0.15);
            --bg: #FAF7F2;
            --bg-warm: #F5F1EB;
            --dark-bg: #1C2422;
            --dark-bg-alt: #1E1D1A;
            --dark-card: #25302D;
            --text-dark: #1C1A18;
            --text-body: #3A3735;
            --text-muted: #6F6A66;
            --text-light: #A8A29C;
            --text-on-dark: #EDEAE4;
            --border: #E8E2DA;
            --border-dark: #3A4643;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --shadow-cta: 0 4px 12px rgba(139, 30, 30, 0.25);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-xxl: 72px;
            --spacing-hero: 96px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 1080px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            width: 100%;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder, textarea::placeholder {
            color: #B5ADA4;
        }

        input:focus, select:focus, textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            line-height: 1.35;
            margin: 0 0 var(--spacing-md);
            font-weight: 700;
        }

        h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: var(--spacing-md);
        }

        h2 {
            font-size: 24px;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: 18px;
            letter-spacing: -0.2px;
        }

        h4 {
            font-size: 16px;
        }

        p {
            margin: 0 0 var(--spacing-md);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        section {
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            border: 1px solid var(--primary-fade);
            background-color: rgba(139, 30, 30, 0.06);
            border-radius: var(--radius-pill);
        }

        .section-header .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin-bottom: var(--spacing-sm);
        }

        .section-header .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.75;
        }

        /* 按钮 */
        .btn {
            display: inline-block;
            font-weight: 600;
            text-align: center;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 16px;
            line-height: 1.5;
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-cta);
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            box-shadow: 0 6px 18px rgba(139, 30, 30, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-primary:active {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(139, 30, 30, 0.2);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn-outline:hover {
            background-color: rgba(139, 30, 30, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .btn-outline:active {
            background-color: rgba(139, 30, 30, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 6px;
        }

        .btn-block {
            display: block;
            width: 100%;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 18px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background-color: rgba(250, 247, 242, 0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            width: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-weight: 700;
            font-size: 18px;
            color: var(--primary);
            letter-spacing: -0.2px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-num);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            letter-spacing: 0.2px;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            display: block;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width var(--transition-fast);
            position: absolute;
            bottom: 0;
            left: 0;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: 4px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background-color: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-md) 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-light);
            font-size: 12px;
            margin-right: var(--spacing-xs);
        }

        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }

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

        .breadcrumb .current {
            color: var(--text-body);
            font-weight: 500;
        }

        /* 分类页头 */
        .category-page-header {
            background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 1px solid var(--border);
        }

        .category-page-header .cat-header-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .category-page-header .cat-info {
            flex: 1;
            min-width: 280px;
        }

        .category-page-header .cat-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-dark);
            margin-bottom: var(--spacing-sm);
        }

        .category-page-header .cat-title .brand-in-title {
            color: var(--primary);
        }

        .category-page-header .cat-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        .category-page-header .cat-stats-mini {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .cat-stat-mini {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-muted);
        }

        .cat-stat-mini .stat-num-mini {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .cat-header-art {
            flex-shrink: 0;
            width: 280px;
        }

        .cat-header-art img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            object-fit: cover;
            width: 100%;
            height: 180px;
        }

        /* 筛选工具条 */
        .filter-toolbar {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
            box-shadow: var(--shadow-sm);
        }

        .filter-toolbar .filter-form {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            align-items: flex-end;
        }

        .filter-group {
            flex: 1;
            min-width: 160px;
        }

        .filter-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: var(--spacing-xs);
        }

        .filter-group select,
        .filter-group input {
            height: 42px;
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-dark);
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: auto;
        }

        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }

        .filter-actions {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            flex-shrink: 0;
        }

        /* 数据列表 */
        .data-list-section {
            padding-top: 0;
        }

        .data-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .data-list-header .list-count {
            font-size: 14px;
            color: var(--text-muted);
        }

        .data-list-header .list-count strong {
            color: var(--primary);
            font-weight: 700;
        }

        .data-list-tags {
            display: flex;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            border: 1px solid var(--border);
            color: var(--text-muted);
            background: #fff;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .data-item-card {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-md) var(--spacing-lg);
            margin-bottom: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            flex-wrap: wrap;
        }

        .data-item-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 30, 30, 0.4);
            transform: translateY(-2px);
        }

        .data-item-index {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-light);
            width: 50px;
            text-align: center;
            flex-shrink: 0;
        }

        .data-item-main {
            flex: 1;
            min-width: 200px;
        }

        .data-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .data-item-title .status-badge {
            margin-left: 0;
        }

        .data-item-meta {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .data-item-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .data-item-meta i {
            font-size: 12px;
            color: var(--primary);
        }

        .data-item-numbers {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        .number-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .number-ball.ball-special {
            background-color: var(--accent);
            color: var(--text-dark);
        }

        .number-ball.ball-muted {
            background-color: var(--bg-warm);
            color: var(--text-dark);
            border: 1px solid var(--border);
        }

        .data-item-numbers:hover .number-ball {
            transform: scale(1.08);
        }

        .data-item-detail-link {
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .data-item-detail-link:hover {
            color: var(--accent);
        }

        .status-badge {
            display: inline-block;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .status-badge.status-done {
            background-color: rgba(46, 125, 50, 0.12);
            color: #2E7D32;
        }

        .status-badge.status-processing {
            background-color: rgba(200, 155, 92, 0.15);
            color: #8B6914;
        }

        .status-badge.status-new {
            background-color: rgba(139, 30, 30, 0.1);
            color: var(--primary);
        }

        /* 分页器 */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .pagination {
            display: flex;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            align-items: center;
        }

        .pagination .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination .page-link.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-cta);
        }

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

        .pagination .page-arrow {
            font-size: 12px;
        }

        /* 底部说明段落 */
        .category-extra-note {
            background-color: var(--bg-warm);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .category-extra-note h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }

        .category-extra-note p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }

        .category-extra-note p:last-child {
            margin-bottom: 0;
        }

        /* CTA区 */
        .cta-section {
            background-color: var(--dark-bg);
            padding: var(--spacing-xxl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(28, 36, 34, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(28, 36, 34, 0.06) 1px, transparent 1px);
            background-size: 32px 32px;
            opacity: 0.6;
            pointer-events: none;
        }

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

        .cta-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .cta-content {
            flex: 1;
            min-width: 280px;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: var(--spacing-sm);
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 520px;
        }

        .cta-action {
            flex-shrink: 0;
        }

        .cta-action .btn-primary {
            padding: 14px 32px;
            font-size: 17px;
        }

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

        .footer-top {
            display: flex;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xl);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand {
            flex: 1 1 240px;
            min-width: 220px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo .brand-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 260px;
        }

        .footer-col {
            flex: 1 1 160px;
            min-width: 140px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-copyright {
            font-size: 12px;
            color: var(--text-light);
        }

        .footer-beian {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 11px;
            color: var(--text-muted);
        }

        .footer-links-bottom {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-links-bottom a {
            color: var(--text-light);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-links-bottom a:hover {
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --spacing-xxl: 56px;
                --spacing-hero: 72px;
                --spacing-xl: 32px;
            }

            h1 { font-size: 28px; }
            .section-header .section-title { font-size: 22px; }

            .nav-links {
                gap: var(--spacing-sm);
            }

            .nav-links a {
                font-size: 13px;
                padding: 6px 2px;
            }

            .data-item-card {
                padding: var(--spacing-md);
                gap: var(--spacing-md);
            }

            .data-item-numbers .number-ball {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .cat-header-art {
                width: 220px;
            }
            .cat-header-art img {
                height: 150px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xxl: 44px;
                --spacing-hero: 52px;
                --spacing-xl: 28px;
                --spacing-lg: 20px;
                --spacing-md: 14px;
                --nav-height: 60px;
            }

            h1 { font-size: 24px; }
            h2 { font-size: 20px; }
            h3 { font-size: 16px; }
            .section-header .section-title { font-size: 20px; }

            body { font-size: 14px; }

            .nav-wrapper {
                gap: var(--spacing-md);
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--bg);
                border-bottom: 1px solid var(--border);
                padding: var(--spacing-lg);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                box-shadow: var(--shadow-md);
                z-index: 1000;
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                display: block;
                padding: 12px 8px;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                text-align: center;
            }

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

            .nav-links a::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-cta.mobile-cta {
                display: block;
                margin-top: var(--spacing-md);
            }

            .nav-cta.mobile-cta .btn {
                width: 100%;
            }

            .category-page-header .cat-header-inner {
                gap: var(--spacing-lg);
            }

            .category-page-header .cat-title {
                font-size: 24px;
            }

            .cat-header-art {
                width: 100%;
            }

            .cat-header-art img {
                height: 160px;
                object-fit: cover;
            }

            .filter-toolbar .filter-form {
                gap: var(--spacing-sm);
            }

            .filter-group {
                min-width: 100%;
            }

            .filter-actions {
                width: 100%;
                justify-content: stretch;
            }

            .filter-actions .btn {
                flex: 1;
                text-align: center;
            }

            .data-item-card {
                padding: var(--spacing-md);
                gap: var(--spacing-md);
                flex-direction: column;
                align-items: flex-start;
            }

            .data-item-index {
                font-size: 20px;
                width: auto;
            }

            .data-item-numbers {
                gap: var(--spacing-xs);
            }

            .data-item-numbers .number-ball {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .data-item-detail-link {
                align-self: flex-end;
            }

            .footer-top {
                gap: var(--spacing-lg);
            }

            .footer-brand {
                flex: 1 1 100%;
            }

            .footer-col {
                flex: 1 1 45%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
                text-align: left;
            }

            .footer-beian {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

            section {
                padding: var(--spacing-xxl) 0;
            }

            .cta-inner {
                gap: var(--spacing-lg);
            }

            .cta-action .btn-primary {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xxl: 36px;
                --spacing-hero: 40px;
                --spacing-xl: 20px;
                --spacing-lg: 16px;
                --spacing-md: 12px;
                --nav-height: 56px;
            }

            h1 { font-size: 21px; }
            h2 { font-size: 18px; }
            .section-header .section-title { font-size: 17px; }
            .category-page-header .cat-title { font-size: 21px; }
            .category-page-header .cat-desc { font-size: 13px; }

            .nav-brand {
                font-size: 15px;
                gap: 6px;
            }

            .brand-icon {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }

            .brand-text {
                font-size: 15px;
            }

            .data-item-title {
                font-size: 14px;
            }

            .data-item-meta {
                gap: var(--spacing-sm);
                font-size: 12px;
            }

            .data-item-numbers .number-ball {
                width: 28px;
                height: 28px;
                font-size: 11px;
            }

            .pagination .page-link {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 12px 22px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #8B1E1E;
            --primary-light: #B3403A;
            --primary-dark: #6E1515;
            --primary-fade: rgba(139, 30, 30, 0.12);
            --accent: #C89B5C;
            --accent-light: #E0B85A;
            --accent-fade: rgba(200, 155, 92, 0.15);
            --bg: #FAF7F2;
            --bg-warm: #F5F1EB;
            --dark-bg: #1C2422;
            --dark-bg-alt: #1E1D1A;
            --dark-card: #25302D;
            --text-dark: #1C1A18;
            --text-body: #3A3735;
            --text-muted: #6F6A66;
            --text-light: #A8A29C;
            --text-on-dark: #EDEAE4;
            --border: #E8E2DA;
            --border-dark: #3A4643;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --shadow-cta: 0 4px 12px rgba(139, 30, 30, 0.25);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-xxl: 72px;
            --spacing-hero: 96px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 1080px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            width: 100%;
            min-height: 100vh;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder,
        textarea::placeholder {
            color: #B5ADA4;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        section {
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        /* ======= 导航栏 ======= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 242, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            width: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

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

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            font-family: var(--font-num);
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(139, 30, 30, 0.3);
        }

        .brand-text {
            font-family: var(--font-sans);
            letter-spacing: 0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 4px 0;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: translateX(-50%);
            transition: width var(--transition-fast);
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ======= 按钮样式 ======= */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            padding: 12px 24px;
            transition: all var(--transition-fast);
            border: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(139, 30, 30, 0.35);
        }

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

        .btn-primary:active {
            background: var(--primary-dark);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(139, 30, 30, 0.25);
        }

        .btn-sm {
            font-size: 14px;
            padding: 10px 18px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 8px 16px;
        }

        .btn-outline:hover {
            background: rgba(139, 30, 30, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-outline:active {
            background: rgba(139, 30, 30, 0.15);
        }

        .btn-lg {
            font-size: 17px;
            padding: 16px 36px;
        }

        .btn-block {
            width: 100%;
        }

        /* ======= 面包屑页头 ======= */
        .page-header {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, #FAF7F2 0%, #F0EAE0 60%, #EDE4D6 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 155, 92, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 30, 30, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: #C4B8A8;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-header-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .page-header-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin: 0 0 var(--spacing-md) 0;
        }

        .page-header-content .page-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0;
        }

        /* ======= 图文混排模块 ======= */
        .magazine-section {
            padding: var(--spacing-xxl) 0;
            background: var(--bg);
        }

        .magazine-section.alt-bg {
            background: var(--bg-warm);
        }

        .magazine-block {
            margin-bottom: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px dashed var(--border);
        }

        .magazine-block:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .magazine-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .magazine-grid.reversed .magazine-media {
            order: 2;
        }

        .magazine-grid.reversed .magazine-content {
            order: 1;
        }

        .magazine-media img {
            width: 100%;
            border-radius: 12px;
            border: 3px solid #fff;
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .magazine-media img:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .magazine-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: -0.3px;
            position: relative;
            padding-left: 14px;
        }

        .magazine-content h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .magazine-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0 0 var(--spacing-md) 0;
        }

        .magazine-content p:last-child {
            margin-bottom: 0;
        }

        .magazine-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--primary);
            text-transform: uppercase;
            background: var(--primary-fade);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-sm);
        }

        /* ======= 深度解读区 ======= */
        .deep-section {
            background: var(--dark-bg);
            padding: var(--spacing-xxl) 0;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .deep-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

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

        .deep-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-lg) 0;
            letter-spacing: -0.3px;
        }

        .deep-section .deep-text-block {
            max-width: 900px;
        }

        .deep-section .deep-text-block p {
            font-size: 15px;
            line-height: 2;
            color: #D8D4CE;
            margin-bottom: var(--spacing-lg);
        }

        .deep-section .deep-text-block p:last-child {
            margin-bottom: 0;
        }

        .deep-section .deep-highlight {
            color: var(--accent-light);
            font-weight: 600;
        }

        /* ======= FAQ ======= */
        .faq-section {
            background: var(--bg-warm);
            padding: var(--spacing-xxl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            border: 1px solid var(--primary-fade);
            background-color: rgba(139, 30, 30, 0.06);
            border-radius: var(--radius-pill);
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin: var(--spacing-sm) 0 0 0;
            letter-spacing: -0.5px;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: var(--spacing-sm);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--primary-fade);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(139, 30, 30, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 18px 20px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-fade);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            transition: transform var(--transition-fast), background var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            padding: 0 20px;
        }

        .faq-answer-inner {
            padding: 0 0 18px 0;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-body);
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

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

        /* ======= CTA 转化区 ======= */
        .cta-section {
            background: var(--dark-bg-alt);
            padding: var(--spacing-xxl) 0;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 155, 92, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-left h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: -0.5px;
        }

        .cta-left p {
            font-size: 15px;
            line-height: 1.9;
            color: #D8D4CE;
            margin: 0 0 var(--spacing-md) 0;
        }

        .cta-left .cta-highlight {
            color: var(--accent-light);
            font-weight: 600;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
        }

        .cta-form-card .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--spacing-md);
        }

        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            margin-bottom: 6px;
        }

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

        .form-row .form-group {
            flex: 1;
            margin-bottom: 0;
        }

        .btn-code {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .btn-code:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-fade);
        }

        .form-submit {
            margin-top: var(--spacing-lg);
        }

        .form-privacy {
            font-size: 11px;
            color: #B5ADA4;
            margin-top: var(--spacing-sm);
            text-align: center;
        }

        /* ======= 页脚 ======= */
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-on-dark);
            padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
            font-size: 14px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 17px;
            background: var(--primary);
        }

        .footer-desc {
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            padding-top: var(--spacing-lg);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-beian {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .footer-links-bottom {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-links-bottom a {
            color: var(--text-light);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-links-bottom a:hover {
            color: #fff;
        }

        /* ======= 响应式断点 ======= */
        @media (max-width: 1024px) {
            :root {
                --spacing-xxl: 56px;
                --spacing-hero: 72px;
            }

            .nav-links {
                gap: 18px;
            }

            .nav-links a {
                font-size: 13px;
            }

            .magazine-grid {
                gap: var(--spacing-lg);
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-desc {
                max-width: 400px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xxl: 44px;
                --spacing-hero: 52px;
                --spacing-xl: 28px;
                --nav-height: 60px;
            }

            .site-header {
                height: auto;
                padding: 10px 0;
            }

            .nav-toggle {
                display: flex;
                order: -1;
            }

            .nav-wrapper {
                flex-wrap: wrap;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                width: 100%;
                padding: var(--spacing-md) 0;
                background: var(--bg-warm);
                border-radius: var(--radius);
                border: 1px solid var(--border);
                margin-top: var(--spacing-sm);
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                display: block;
                padding: 10px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-links a::after {
                display: none;
            }

            .nav-links a.active {
                background: var(--primary-fade);
            }

            .nav-cta {
                margin-left: auto;
            }

            .nav-cta .btn {
                font-size: 13px;
                padding: 8px 14px;
            }

            .page-header {
                padding: var(--spacing-lg) 0;
            }

            .page-header-content h1 {
                font-size: 24px;
            }

            .page-header-content .page-desc {
                font-size: 14px;
            }

            .magazine-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .magazine-grid.reversed .magazine-media {
                order: 0;
            }

            .magazine-grid.reversed .magazine-content {
                order: 0;
            }

            .magazine-content h3 {
                font-size: 18px;
            }

            .magazine-content p {
                font-size: 14px;
            }

            .deep-section h2 {
                font-size: 20px;
            }

            .deep-section .deep-text-block p {
                font-size: 14px;
                line-height: 1.85;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .cta-form-card {
                padding: var(--spacing-lg);
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xxl: 36px;
                --spacing-hero: 40px;
                --spacing-md: 12px;
                --spacing-lg: 16px;
                --spacing-xl: 20px;
            }

            .container {
                padding: 0 var(--spacing-md);
            }

            .container-narrow {
                padding: 0 var(--spacing-md);
            }

            .page-header-content h1 {
                font-size: 20px;
            }

            .page-header-content .page-desc {
                font-size: 13px;
            }

            .magazine-media img {
                border-radius: 8px;
                border-width: 2px;
            }

            .magazine-content h3 {
                font-size: 17px;
                padding-left: 10px;
            }

            .magazine-content h3::before {
                width: 3px;
                top: 4px;
                bottom: 4px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                font-size: 13px;
                padding: 10px 16px 14px 16px;
            }

            .cta-left h2 {
                font-size: 22px;
            }

            .cta-form-card {
                padding: var(--spacing-lg);
                border-radius: 8px;
            }

            .form-row {
                flex-direction: column;
                gap: 8px;
            }

            .btn-code {
                width: 100%;
                text-align: center;
            }

            .footer-bottom {
                font-size: 11px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #8B1E1E;
            --primary-light: #B3403A;
            --primary-dark: #6E1515;
            --primary-fade: rgba(139, 30, 30, 0.12);
            --accent: #C89B5C;
            --accent-light: #E0B85A;
            --accent-fade: rgba(200, 155, 92, 0.15);
            --bg: #FAF7F2;
            --bg-warm: #F5F1EB;
            --dark-bg: #1C2422;
            --dark-bg-alt: #1E1D1A;
            --dark-card: #25302D;
            --text-dark: #1C1A18;
            --text-body: #3A3735;
            --text-muted: #6F6A66;
            --text-light: #A8A29C;
            --text-on-dark: #EDEAE4;
            --border: #E8E2DA;
            --border-dark: #3A4643;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --shadow-cta: 0 4px 12px rgba(139, 30, 30, 0.25);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-xxl: 72px;
            --spacing-hero: 96px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 1080px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            width: 100%;
            min-height: 100vh;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder,
        textarea::placeholder {
            color: #B5ADA4;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        section {
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            border: 1px solid var(--primary-fade);
            background-color: rgba(139, 30, 30, 0.06);
            border-radius: var(--radius-pill);
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin: 8px 0 12px;
            line-height: 1.35;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-family: var(--font-sans);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 16px;
            line-height: 1.4;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(139, 30, 30, 0.35);
        }

        .btn-primary:active {
            background-color: var(--primary-dark);
            transform: translateY(0);
            box-shadow: var(--shadow-cta);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: var(--radius-btn);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            padding: 8px 16px;
            font-size: 14px;
            border-radius: var(--radius-btn);
        }

        .btn-outline:hover {
            background-color: var(--primary-fade);
            color: var(--primary-dark);
        }

        .btn-outline:active {
            background-color: rgba(139, 30, 30, 0.18);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--dark-bg);
            box-shadow: 0 4px 12px rgba(200, 155, 92, 0.3);
        }

        .btn-accent:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 155, 92, 0.4);
        }

        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 30, 30, 0.4);
            transform: translateY(-3px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: 4px;
            letter-spacing: 0.5px;
            line-height: 1.6;
        }

        .badge-primary {
            background-color: var(--primary-fade);
            color: var(--primary-dark);
        }

        .badge-accent {
            background-color: var(--accent-fade);
            color: #8B6914;
        }

        .badge-green {
            background-color: #E8F5EE;
            color: #2D6C4A;
        }

        .badge-gray {
            background-color: #F0EDE8;
            color: #5A5550;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 20px 0 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: #C5BEB6;
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(250, 247, 242, 0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 8px rgba(139, 30, 30, 0.3);
            font-family: var(--font-num);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
            padding: 8px 2px;
            display: inline-block;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }

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

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--border);
            padding: 8px;
            transition: all var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background-color: var(--primary-fade);
            border-color: var(--primary);
        }

        .nav-toggle:hover span {
            background-color: var(--primary);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 分类页头 */
        .category-hero {
            background: linear-gradient(135deg, #F5F1EB 0%, #EDE6DC 40%, #F9F5EF 100%);
            padding: 44px 0 52px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: 40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 155, 92, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 30, 30, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .category-hero-text {
            flex: 1;
            min-width: 280px;
        }

        .category-hero-text h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin: 8px 0 14px;
            line-height: 1.3;
        }

        .category-hero-text p {
            font-size: 15px;
            color: var(--text-body);
            max-width: 660px;
            margin: 0;
            line-height: 1.8;
        }

        .category-hero-stats {
            display: flex;
            gap: 32px;
            flex-shrink: 0;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .stat-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 分类标签栏 */
        .filter-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 100;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--border);
            font-size: 13px;
            color: var(--text-body);
            font-weight: 500;
            background: #fff;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .filter-tag.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(139, 30, 30, 0.25);
        }

        /* 卡片网格 */
        .news-grid {
            padding: 44px 0 60px;
        }

        .news-grid .grid-item {
            margin-bottom: 20px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 30, 30, 0.4);
            transform: translateY(-4px);
        }

        .news-card-link {
            display: flex;
            flex-direction: column;
            height: 100%;
            color: inherit;
        }

        .news-card-link:hover {
            color: inherit;
        }

        .news-card-img {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
            flex-shrink: 0;
        }

        .news-card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
            transition: transform var(--transition-base);
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }

        .news-card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background-color: rgba(255, 255, 255, 0.92);
            border: 1px solid var(--border);
            backdrop-filter: blur(4px);
        }

        .news-card-body {
            padding: 20px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.2px;
            margin: 0 0 10px;
            line-height: 1.45;
        }

        .news-card-title a {
            color: inherit;
            text-decoration: none;
        }

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

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 11px;
            color: var(--text-muted);
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }

        .news-card-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card-meta .meta-sep {
            color: #C5BEB6;
        }

        .news-card-large .news-card-img img {
            height: 280px;
        }

        .news-card-large .news-card-title {
            font-size: 20px;
        }

        .news-card-medium .news-card-img img {
            height: 220px;
        }

        .news-card-small .news-card-img img {
            height: 160px;
        }

        .news-card-small .news-card-title {
            font-size: 15px;
        }

        .news-card-small .news-card-excerpt {
            font-size: 13px;
        }

        /* 深度阅读区 */
        .deep-read {
            background: var(--bg-warm);
            padding: 56px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .deep-read-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .deep-read-content {
            flex: 1;
            min-width: 300px;
        }

        .deep-read-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .deep-read-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
            margin: 0 0 16px;
        }

        .deep-read-img {
            flex: 0 0 380px;
            max-width: 380px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-read-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* 订阅流程 */
        .process-section {
            background: var(--dark-bg);
            padding: 64px 0;
            position: relative;
        }

        .process-section .section-label {
            background-color: rgba(200, 155, 92, 0.15);
            border-color: rgba(200, 155, 92, 0.3);
            color: var(--accent-light);
        }

        .process-section h2 {
            color: var(--text-on-dark);
        }

        .process-section .section-header p {
            color: var(--text-light);
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .process-step:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .process-step .step-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin: 0 0 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
            padding: 56px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(139, 30, 30, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: #fff;
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
        }

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

        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            width: 24px;
            text-align: center;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-fast);
            padding: 0 20px;
            background: var(--bg-warm);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 16px 20px;
            border-top: 2px solid var(--primary);
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA 区 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 155, 92, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(237, 234, 228, 0.85);
            margin: 0;
            line-height: 1.8;
            max-width: 520px;
        }

        .cta-form-wrap {
            flex: 0 0 420px;
            max-width: 420px;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
        }

        .cta-form-wrap h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

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

        .form-row .form-group {
            flex: 1;
            margin-bottom: 0;
        }

        .form-row .btn {
            flex-shrink: 0;
            white-space: nowrap;
        }

        .form-privacy {
            font-size: 11px;
            color: var(--text-light);
            margin: 10px 0 0;
            line-height: 1.6;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--dark-bg-alt);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            flex: 1 1 280px;
            min-width: 240px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }

        .footer-logo span:last-child {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 12px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        .footer-col {
            flex: 1 1 160px;
            min-width: 140px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 1px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-copyright {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            font-size: 11px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .footer-links-bottom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }

        .footer-links-bottom a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .footer-links-bottom a:hover {
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --spacing-xxl: 56px;
                --spacing-hero: 72px;
                --nav-height: 64px;
            }

            .nav-links {
                gap: 16px;
            }

            .nav-links a {
                font-size: 13px;
            }

            .news-card-img img {
                height: 180px;
            }

            .news-card-large .news-card-img img {
                height: 240px;
            }

            .deep-read-img {
                flex: 0 0 320px;
                max-width: 320px;
            }

            .deep-read-img img {
                height: 220px;
            }

            .cta-form-wrap {
                flex: 0 0 380px;
                max-width: 380px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xxl: 44px;
                --spacing-hero: 52px;
                --spacing-xl: 28px;
                --nav-height: 60px;
            }

            body {
                font-size: 14px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--bg);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                gap: 0;
                padding: 32px 20px;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 999;
                overflow-y: auto;
                box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
            }

            .nav-links.open {
                transform: translateX(0);
            }

            .nav-links li {
                width: 100%;
                text-align: center;
                border-bottom: 1px solid var(--border);
            }

            .nav-links li:last-child {
                border-bottom: none;
            }

            .nav-links a {
                display: block;
                padding: 16px 4px;
                font-size: 16px;
                font-weight: 500;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .category-hero {
                padding: 32px 0 36px;
            }

            .category-hero-text h1 {
                font-size: 24px;
            }

            .category-hero-stats {
                gap: 20px;
            }

            .hero-stat .stat-num {
                font-size: 26px;
            }

            .news-grid {
                padding: 32px 0 40px;
            }

            .news-card-img img {
                height: 180px;
            }

            .news-card-large .news-card-img img {
                height: 200px;
            }

            .news-card-medium .news-card-img img {
                height: 180px;
            }

            .news-card-small .news-card-img img {
                height: 160px;
            }

            .news-card-title {
                font-size: 16px;
            }

            .news-card-large .news-card-title {
                font-size: 18px;
            }

            .deep-read-grid {
                flex-direction: column;
                gap: 24px;
            }

            .deep-read-img {
                flex: 1 1 auto;
                max-width: 100%;
                width: 100%;
            }

            .deep-read-img img {
                height: 200px;
            }

            .process-steps {
                flex-direction: column;
            }

            .process-step {
                min-width: 100%;
            }

            .cta-wrapper {
                flex-direction: column;
                gap: 24px;
            }

            .cta-form-wrap {
                flex: 1 1 auto;
                max-width: 100%;
                width: 100%;
                padding: 20px;
            }

            .footer-top {
                flex-direction: column;
                gap: 24px;
                margin-bottom: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-beian {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xxl: 36px;
                --spacing-hero: 40px;
                --spacing-md: 12px;
                --spacing-lg: 16px;
                --spacing-xl: 20px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero-text h1 {
                font-size: 22px;
            }

            .category-hero-text p {
                font-size: 14px;
            }

            .category-hero-stats {
                gap: 12px;
                flex-wrap: wrap;
            }

            .hero-stat .stat-num {
                font-size: 22px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }

            .news-card-img img,
            .news-card-large .news-card-img img,
            .news-card-medium .news-card-img img,
            .news-card-small .news-card-img img {
                height: 150px;
            }

            .news-card-body {
                padding: 14px 16px;
            }

            .news-card-title {
                font-size: 15px;
            }

            .news-card-large .news-card-title {
                font-size: 17px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .deep-read-content h2 {
                font-size: 20px;
            }

            .cta-text h2 {
                font-size: 22px;
            }

            .form-row {
                flex-direction: column;
                gap: 8px;
            }

            .form-row .btn {
                width: 100%;
            }

            .footer-beian {
                flex-direction: column;
                gap: 4px;
                align-items: center;
            }
        }

        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
                transform: none !important;
                position: static;
                flex-direction: row;
                background: transparent;
                box-shadow: none;
                padding: 0;
                overflow: visible;
            }

            .nav-links li {
                border-bottom: none;
                width: auto;
                text-align: left;
            }

            .nav-links a {
                display: inline-block;
                padding: 8px 2px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #8B1E1E;
            --primary-light: #B3403A;
            --primary-dark: #6E1515;
            --primary-fade: rgba(139, 30, 30, 0.12);
            --accent: #C89B5C;
            --accent-light: #E0B85A;
            --accent-fade: rgba(200, 155, 92, 0.15);
            --bg: #FAF7F2;
            --bg-warm: #F5F1EB;
            --dark-bg: #1C2422;
            --dark-bg-alt: #1E1D1A;
            --dark-card: #25302D;
            --text-dark: #1C1A18;
            --text-body: #3A3735;
            --text-muted: #6F6A66;
            --text-light: #A8A29C;
            --text-on-dark: #EDEAE4;
            --border: #E8E2DA;
            --border-dark: #3A4643;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
            --shadow-cta: 0 4px 12px rgba(139, 30, 30, 0.25);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-xxl: 72px;
            --spacing-hero: 96px;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 1080px;
        }
        @media (max-width: 1024px) {
            :root {
                --spacing-xxl: 56px;
                --spacing-hero: 72px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-xxl: 44px;
                --spacing-hero: 52px;
                --spacing-xl: 28px;
                --nav-height: 60px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-xxl: 36px;
                --spacing-hero: 40px;
                --spacing-md: 12px;
                --spacing-lg: 16px;
                --spacing-xl: 20px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            width: 100%;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }
        input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid #D9D2C8;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input::placeholder, textarea::placeholder {
            color: #B5ADA4;
        }
        input:focus, select:focus, textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.15);
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        section {
            padding: var(--spacing-xxl) 0;
            position: relative;
        }
        .section-header {
            margin-bottom: var(--spacing-xl);
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            border: 1px solid var(--primary-fade);
            background-color: rgba(139, 30, 30, 0.06);
            border-radius: var(--radius-pill);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0 0 var(--spacing-md);
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 640px;
            margin: 0;
        }
        .text-on-dark .section-title {
            color: var(--text-on-dark);
        }
        .text-on-dark .section-subtitle {
            color: var(--text-light);
        }
        .text-on-dark .section-label {
            color: var(--accent);
            border-color: var(--accent-fade);
            background-color: rgba(200, 155, 92, 0.1);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(250, 247, 242, 0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            width: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, var(--primary-light), var(--primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            box-shadow: 0 2px 8px rgba(139, 30, 30, 0.3);
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width var(--transition-base);
            border-radius: 2px;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast);
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background-color: var(--text-dark);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--primary);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            line-height: 1.4;
            text-align: center;
            justify-content: center;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-sm {
            font-size: 13px;
            padding: 9px 18px;
        }
        .btn-lg {
            font-size: 16px;
            padding: 14px 32px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(139, 30, 30, 0.35);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(139, 30, 30, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background-color: rgba(139, 30, 30, 0.08);
            color: var(--primary-dark);
            transform: translateY(-1px);
            border-color: var(--primary);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline:active {
            background-color: rgba(139, 30, 30, 0.15);
            transform: translateY(0);
        }
        .btn-link {
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 0;
            text-decoration: none;
            border-bottom: 1.5px solid rgba(139, 30, 30, 0.3);
            transition: all var(--transition-fast);
        }
        .btn-link:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .btn-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .btn-link:hover i {
            transform: translateX(3px);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: var(--spacing-md) 0;
            background-color: var(--bg-warm);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin: 0;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--text-light);
            font-size: 16px;
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--text-body);
            font-weight: 600;
        }

        /* Page Hero for Category */
        .page-hero {
            background: linear-gradient(160deg, #fdfaf5 0%, #f5efe6 100%);
            padding: var(--spacing-xl) 0 var(--spacing-xl);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent-fade) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--primary-fade) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container-narrow {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin: 0 0 var(--spacing-md);
            line-height: 1.3;
        }
        .page-hero .hero-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 680px;
            margin: 0 0 var(--spacing-md);
        }
        .hero-meta {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta i {
            color: var(--accent);
            font-size: 14px;
        }

        /* Timeline Styles */
        .timeline-section {
            padding: var(--spacing-xxl) 0;
        }
        .timeline-wrapper {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 48px;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 8px;
            bottom: 8px;
            width: 2.5px;
            background: linear-gradient(to bottom, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-xl);
            padding-left: 0;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -38px;
            top: 12px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            border: 3px solid var(--primary);
            background-color: var(--bg);
            z-index: 2;
            transition: all var(--transition-fast);
        }
        .timeline-item:hover::before {
            background-color: var(--primary);
            box-shadow: 0 0 0 6px var(--primary-fade);
        }
        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 30, 30, 0.4);
            transform: translateY(-2px);
        }
        .timeline-card .tl-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-fade);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .timeline-card .tl-date i {
            font-size: 12px;
            color: var(--accent);
        }
        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.4;
            letter-spacing: -0.2px;
        }
        .timeline-card .tl-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0;
        }
        .timeline-card .tl-image {
            margin-top: var(--spacing-md);
            border-radius: var(--radius);
            overflow: hidden;
            max-height: 200px;
        }
        .timeline-card .tl-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .timeline-card .tl-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-muted);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 2px 10px;
            margin-top: var(--spacing-sm);
        }

        /* Rule Summary Cards */
        .rule-summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }
        .rule-summary-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition-base);
        }
        .rule-summary-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 30, 30, 0.4);
            transform: translateY(-3px);
        }
        .rule-summary-card .rs-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-fade);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 20px;
            transition: all var(--transition-fast);
        }
        .rule-summary-card:hover .rs-icon {
            background: var(--primary);
            color: #fff;
        }
        .rule-summary-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 var(--spacing-sm);
        }
        .rule-summary-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--dark-bg);
            padding: var(--spacing-xxl) 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(139, 30, 30, 0.5);
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-on-dark);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-light);
            transition: all var(--transition-fast);
            position: relative;
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background-color: currentColor;
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .faq-question .faq-icon::before {
            width: 12px;
            height: 1.5px;
        }
        .faq-question .faq-icon::after {
            width: 1.5px;
            height: 12px;
        }
        .faq-item.active .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            transform: rotate(45deg);
        }
        .faq-item.active .faq-icon::after {
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-fast);
            padding: 0 var(--spacing-lg);
        }
        .faq-answer-inner {
            padding-bottom: var(--spacing-md);
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.85;
            border-top: 1px solid var(--border-dark);
            padding-top: var(--spacing-md);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xxl) 0;
        }
        .cta-panel {
            background: linear-gradient(140deg, #fdf8f2 0%, #f5e9dc 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-xl);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .cta-panel .cta-info h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: -0.3px;
        }
        .cta-panel .cta-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 var(--spacing-md);
        }
        .cta-panel .cta-info .cta-points {
            list-style: none;
            margin: 0 0 var(--spacing-md);
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .cta-panel .cta-info .cta-points li {
            font-size: 13px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cta-panel .cta-info .cta-points li i {
            color: var(--accent);
            font-size: 12px;
            flex-shrink: 0;
        }
        .cta-form {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
        }
        .cta-form .form-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 var(--spacing-md);
        }
        .form-group {
            margin-bottom: var(--spacing-md);
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            margin-bottom: 6px;
        }
        .form-row {
            display: flex;
            gap: var(--spacing-sm);
        }
        .form-row .form-group {
            flex: 1;
        }
        .form-row .btn {
            flex-shrink: 0;
            margin-top: 26px;
            height: 44px;
            padding: 0 18px;
        }
        .form-privacy {
            font-size: 11px;
            color: var(--text-muted);
            margin: var(--spacing-sm) 0 0;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-on-dark);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-top: 1px solid var(--border-dark);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 17px;
        }
        .footer-brand .footer-logo span:last-child {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .footer-desc {
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 var(--spacing-md);
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .footer-col ul li {
            margin: 0;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-beian {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .footer-links-bottom {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        .footer-links-bottom a {
            color: var(--text-light);
            font-size: 12px;
        }
        .footer-links-bottom a:hover {
            color: #fff;
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 13px;
            }
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-col:last-child {
                display: none;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg);
                flex-direction: column;
                align-items: center;
                gap: 0;
                padding: var(--spacing-md) 0;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-150%);
                transition: transform var(--transition-base);
                z-index: 99;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links li {
                width: 100%;
                text-align: center;
            }
            .nav-links a {
                display: block;
                padding: 12px 20px;
                font-size: 15px;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-cta.mobile-visible {
                display: block;
                padding: var(--spacing-md);
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .timeline-wrapper {
                padding-left: 32px;
            }
            .timeline-wrapper::before {
                left: 12px;
            }
            .timeline-item::before {
                left: -27px;
                width: 12px;
                height: 12px;
                border-width: 2.5px;
                top: 14px;
            }
            .timeline-card {
                padding: var(--spacing-md);
            }
            .timeline-card h3 {
                font-size: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            .footer-beian {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
            .cta-panel {
                padding: var(--spacing-lg);
            }
            .form-row {
                flex-direction: column;
            }
            .form-row .btn {
                margin-top: 0;
                width: 100%;
            }
            .rule-summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            section {
                padding: var(--spacing-xxl) 0;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: 16px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .page-hero h1 {
                font-size: 20px;
            }
            .section-title {
                font-size: 20px;
            }
            .timeline-wrapper {
                padding-left: 24px;
            }
            .timeline-wrapper::before {
                left: 8px;
                width: 2px;
            }
            .timeline-item::before {
                left: -19px;
                width: 10px;
                height: 10px;
                border-width: 2px;
                top: 14px;
            }
            .timeline-item {
                margin-bottom: var(--spacing-lg);
            }
            .timeline-card {
                padding: var(--spacing-md);
                border-radius: var(--radius);
            }
            .timeline-card .tl-summary {
                font-size: 13px;
            }
            .rule-summary-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: auto;
            }
            .cta-panel {
                padding: var(--spacing-md);
            }
            .cta-panel .cta-info h2 {
                font-size: 20px;
            }
            .hero-meta {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
        }

        /* Foundation overrides for custom design */
        .foundation-styles .button,
        .foundation-styles button.button {
            border-radius: var(--radius-btn);
        }
        a.foundation-link {
            color: var(--primary);
        }
        .foundation-styles .card {
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }

/* roulang page: category5 */
:root {
  --primary: #8B1E1E;
  --primary-light: #B3403A;
  --primary-dark: #6E1515;
  --primary-fade: rgba(139, 30, 30, 0.12);
  --accent: #C89B5C;
  --accent-light: #E0B85A;
  --accent-fade: rgba(200, 155, 92, 0.15);
  --bg: #FAF7F2;
  --bg-warm: #F5F1EB;
  --dark-bg: #1C2422;
  --dark-bg-alt: #1E1D1A;
  --dark-card: #25302D;
  --text-dark: #1C1A18;
  --text-body: #3A3735;
  --text-muted: #6F6A66;
  --text-light: #A8A29C;
  --text-on-dark: #EDEAE4;
  --border: #E8E2DA;
  --border-dark: #3A4643;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.14);
  --shadow-cta: 0 4px 12px rgba(139,30,30,0.25);
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-xxl: 72px;
  --spacing-hero: 64px;
  --font-sans: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num: 'DIN Alternate','Roboto Mono','SF Mono','Menlo','Consolas',monospace;
  --nav-height: 68px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  --container-max: 1200px;
  --container-narrow: 1080px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:var(--font-sans);font-size:15px;line-height:1.75;color:var(--text-body);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;width:100%;min-height:100vh}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast),opacity var(--transition-fast)}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font-family:var(--font-sans);cursor:pointer;border:none;background:none;transition:all var(--transition-fast)}
input,select,textarea{font-family:var(--font-sans);font-size:15px;color:var(--text-dark);background-color:#fff;border:1px solid #D9D2C8;border-radius:var(--radius-sm);padding:10px 14px;width:100%;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}
input::placeholder,textarea::placeholder{color:#B5ADA4}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(139,30,30,0.15);outline:none}
.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--spacing-lg)}
.container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 var(--spacing-lg)}
section{padding:var(--spacing-xxl) 0;position:relative}
.section-header{margin-bottom:var(--spacing-xl)}
.section-header .section-label{display:inline-block;font-size:12px;font-weight:600;letter-spacing:2px;color:var(--primary);text-transform:uppercase;margin-bottom:var(--spacing-sm);padding:4px 12px;border:1px solid var(--primary-fade);background-color:rgba(139,30,30,0.06);border-radius:var(--radius-pill)}
.section-header h2{font-size:26px;font-weight:700;color:var(--text-dark);margin-bottom:var(--spacing-sm);letter-spacing:-0.5px}
.section-header p{color:var(--text-muted);font-size:15px;max-width:680px}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--text-dark);line-height:1.35}

.site-header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,0.95);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border);height:var(--nav-height)}
.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:100%;gap:var(--spacing-md)}
.nav-brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;font-weight:700;font-size:18px;font-family:var(--font-num)}
.brand-text{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:-0.3px;white-space:nowrap}
.nav-links{display:flex;list-style:none;align-items:center;gap:24px;margin:0}
.nav-links a{display:inline-block;font-size:14px;font-weight:500;color:var(--text-body);padding:6px 2px;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition-base)}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-dark);border-radius:2px;transition:all var(--transition-fast)}
.nav-toggle span:nth-child(1){transform-origin:center}
.nav-toggle span:nth-child(3){transform-origin:center}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-cta{flex-shrink:0}

.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;border-radius:var(--radius-btn);padding:12px 24px;transition:all var(--transition-fast);border:none;cursor:pointer;line-height:1.5}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-cta)}
.btn-primary:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(139,30,30,0.35)}
.btn-primary:active{background:var(--primary-dark);transform:translateY(0)}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary);padding:8px 16px}
.btn-outline:hover{background:rgba(139,30,30,0.08);color:var(--primary-dark)}
.btn-outline:active{background:rgba(139,30,30,0.15)}
.btn-accent{background:var(--accent);color:var(--text-dark)}
.btn-accent:hover{background:var(--accent-light);color:var(--text-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(200,155,92,0.35)}
.btn-block{width:100%}
.btn-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);background:none;border:none;cursor:pointer;padding:4px 0;transition:all var(--transition-fast)}
.btn-arrow i{transition:transform var(--transition-fast)}
.btn-arrow:hover{color:var(--accent)}
.btn-arrow:hover i{transform:translateX(4px)}

.breadcrumb-bar{background:linear-gradient(135deg,#F5F1EB 0%,#FAF7F2 50%,#F0E8DC 100%);border-bottom:1px solid var(--border);padding:16px 0}
.breadcrumb{list-style:none;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin:0}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:'/';color:#C5BFB6;font-size:12px}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li:last-child{color:var(--text-body);font-weight:600}

.page-header{background:linear-gradient(135deg,#F5F1EB 0%,#EDE5D8 100%);border-bottom:1px solid var(--border);padding:48px 0 36px}
.page-header h1{font-size:32px;font-weight:700;color:var(--text-dark);margin-bottom:10px;letter-spacing:-0.5px}
.page-header .page-desc{font-size:16px;color:var(--text-muted);max-width:720px;line-height:1.8}

.tool-tabs-wrapper{margin-top:0}
.tool-tabs{display:flex;gap:8px;border-bottom:2px solid var(--border);margin-bottom:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tool-tabs::-webkit-scrollbar{display:none}
.tool-tab{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;flex-shrink:0}
.tool-tab i{font-size:15px}
.tool-tab:hover{color:var(--primary)}
.tool-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-panel{display:none;padding:32px 0 0}
.tab-panel.active{display:block}

.compare-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;transition:all var(--transition-base);margin-bottom:16px}
.compare-card:hover{box-shadow:var(--shadow-md);border-color:rgba(139,30,30,0.3);transform:translateY(-2px)}
.compare-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--primary)}
.compare-card .compare-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.compare-badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:600}
.badge-red{background:var(--primary-fade);color:var(--primary)}
.badge-gold{background:var(--accent-fade);color:#8B6D3A}
.badge-green{background:#E8F0E6;color:#2D6A3F}
.badge-gray{background:#F0EDE8;color:var(--text-muted)}

.prize-levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:20px}
.prize-level-card{background:var(--bg-warm);border-radius:var(--radius);padding:20px;border:1px solid var(--border);transition:all var(--transition-fast)}
.prize-level-card:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.prize-level-card .level{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);margin-bottom:6px}
.prize-level-card .prize-desc{font-size:14px;color:var(--text-body);line-height:1.7}

.expand-section{margin-top:24px}
.expand-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:#fff}
.expand-item summary{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;font-weight:700;font-size:15px;color:var(--text-dark);list-style:none;transition:color var(--transition-fast);background:#fff}
.expand-item summary::-webkit-details-marker{display:none}
.expand-item summary:hover{color:var(--primary)}
.expand-item summary .expand-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--primary-fade);color:var(--primary);font-size:14px;transition:transform var(--transition-fast)}
.expand-item[open] summary .expand-icon{transform:rotate(180deg);background:var(--primary);color:#fff}
.expand-item .expand-content{padding:0 20px 20px;color:var(--text-body);font-size:14px;line-height:1.9}
.expand-item[open] summary{border-bottom:2px solid var(--primary);margin-bottom:16px}

.info-note{background:linear-gradient(135deg,var(--dark-bg) 0%,var(--dark-bg-alt) 100%);border-radius:var(--radius);padding:32px 28px;color:var(--text-on-dark);margin-top:32px}
.info-note h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.info-note p{color:var(--text-light);font-size:14px;line-height:1.9;margin-bottom:8px}
.info-note .highlight-num{color:var(--accent-light);font-weight:700;font-family:var(--font-num)}

.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:64px 0;text-align:center}
.cta-section h2{color:#fff;font-size:28px;font-weight:700;margin-bottom:10px}
.cta-section p{color:rgba(255,255,255,0.85);font-size:16px;max-width:560px;margin:0 auto 24px;line-height:1.8}
.cta-section .btn{font-size:16px;padding:14px 32px}

.site-footer{background:var(--dark-bg-alt);color:var(--text-light);padding:48px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo .brand-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;font-weight:700;font-size:16px;font-family:var(--font-num)}
.footer-logo span:last-child{color:#fff;font-weight:700;font-size:17px}
.footer-desc{font-size:12px;color:var(--text-light);line-height:1.8;max-width:280px}
.footer-col h4{color:#fff;font-size:13px;font-weight:700;margin-bottom:14px;letter-spacing:1px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{color:var(--text-light);font-size:13px;transition:color var(--transition-fast)}
.footer-col ul a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:20px 0 24px;font-size:12px;color:var(--text-muted)}
.footer-copyright{color:var(--text-muted)}
.footer-beian{display:flex;gap:16px;flex-wrap:wrap;color:var(--text-muted)}
.footer-beian span{color:var(--text-muted);font-size:12px}
.footer-links-bottom{display:flex;align-items:center;gap:8px}
.footer-links-bottom a{color:var(--text-light);font-size:12px}
.footer-links-bottom a:hover{color:#fff}

@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr}
  .nav-links{gap:16px}
  .nav-links a{font-size:13px}
}
@media(max-width:768px){
  :root{--spacing-xxl:44px;--spacing-hero:40px;--spacing-xl:28px;--nav-height:60px}
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:var(--nav-height);left:0;right:0;background:var(--bg);flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height 0.4s ease;border-bottom:1px solid var(--border);z-index:99}
  .nav-links.open{max-height:440px}
  .nav-links li{width:100%;text-align:center}
  .nav-links a{display:block;padding:14px 20px;font-size:15px;border-bottom:1px solid var(--border)}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--primary-fade)}
  .nav-cta{display:none}
  .page-header h1{font-size:24px}
  .page-header{padding:32px 0 24px}
  .tool-tabs{gap:4px}
  .tool-tab{padding:10px 14px;font-size:13px}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center;gap:10px}
  .footer-beian{justify-content:center}
  .footer-links-bottom{justify-content:center}
}
@media(max-width:520px){
  :root{--spacing-xxl:36px;--spacing-hero:36px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:20px}
  .container,.container-narrow{padding:0 var(--spacing-md)}
  .page-header h1{font-size:22px}
  .prize-levels{grid-template-columns:1fr}
  .compare-card{padding:18px}
}