/* roulang page: index */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
            }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }
        .nav-links a.active {
            color: var(--color-brand);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 900px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                width: 100%;
                text-align: center;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                margin-top: 0.5rem;
            }
            .nav-inner {
                padding: 0 1rem;
            }
        }

        /* 进度环 */
        .progress-ring {
            transform: rotate(-90deg);
        }
        .progress-ring circle {
            transition: stroke-dashoffset 1.2s ease;
        }

        /* 板块 */
        .section-block {
            padding: 4rem 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 2.5rem 0;
            }
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--color-brand);
            background: #f0fdf4;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #0f172a;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
        }
        .section-desc {
            color: #64748b;
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 640px;
        }

        /* 卡片 */
        .card-hover {
            transition: all var(--transition-normal);
            border-radius: var(--radius-xl);
            background: #fff;
            border: 1px solid var(--color-border-light);
        }
        .card-hover:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: var(--color-brand);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: #64748b;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 1.2rem;
            color: #94a3b8;
        }

        /* 表单 */
        .input-field {
            width: 100%;
            padding: 0.85rem 1rem;
            border: 1.5px solid #e2e8f0;
            border-radius: 0.75rem;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: #fafbfc;
        }
        .input-field:focus {
            border-color: var(--color-brand);
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.08);
            background: #fff;
            outline: none;
        }
        .btn-primary {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 2rem;
            background: var(--color-brand);
            color: #fff;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 22px rgba(22, 163, 74, 0.3);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 2rem;
            background: transparent;
            color: #0f172a;
            border: 1.5px solid #d1d5db;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: #0f172a;
            background: #f9fafb;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            align-items: center;
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

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

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

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            padding: 3rem 0 1.5rem;
            color: #cbd5e1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

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

        .footer-grid a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.8rem;
            color: #64748b;
            align-items: center;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

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

        .section-py-lg {
            padding: 5rem 0;
        }

        /* 卡片样式 */
        .card-hover {
            transition: all var(--transition-normal);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        /* 按钮 */
        .btn-brand {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: var(--color-brand);
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-brand:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-brand);
            background: transparent;
            border: 2px solid var(--color-brand);
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 6px 20px rgba(22, 163, 74, 0.25);
        }

        /* 标签 */
        .badge-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            background: #dcfce7;
            color: #166534;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 1.2rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: #1e293b;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            color: #94a3b8;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--color-brand);
        }
        .faq-item .faq-answer {
            margin-top: 0.6rem;
            color: #475569;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .section-py {
                padding: 3rem 0;
            }
            .section-py-lg {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.7rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
            .section-py {
                padding: 2.5rem 0;
            }
            .section-py-lg {
                padding: 3rem 0;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1rem;
            }
            .btn-brand,
            .btn-outline {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-brand-pale: #dcfce7;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-accent: #f59e0b;
            --color-danger: #ef4444;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
            --transition-slow: 400ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
            margin: 0;
        }

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

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

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.8);
                opacity: 0.5;
            }
        }

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

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff !important;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
            padding: 0;
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                border-radius: 8px;
                margin-top: 0.25rem;
            }
        }

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

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

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #0f172a;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1rem;
            color: #64748b;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* 按钮 */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 25px;
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(22, 163, 74, 0.25);
        }

        .btn-brand:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 24px rgba(22, 163, 74, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-brand);
            background: transparent;
            border: 2px solid var(--color-brand);
            border-radius: 25px;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-brand-pale);
            border-color: var(--color-brand-dark);
            color: var(--color-brand-dark);
        }

        /* 卡片 */
        .card-elevated {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

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

        /* 倒计时闪购条 */
        .flash-bar {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: #fff;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            font-weight: 500;
            border-bottom: 2px solid var(--color-accent);
        }

        .flash-bar .countdown {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .flash-bar .countdown-digit {
            background: #1e293b;
            color: #f59e0b;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1.1rem;
            min-width: 36px;
            text-align: center;
            border: 1px solid #334155;
        }

        .flash-bar .countdown-sep {
            color: #94a3b8;
            font-weight: 700;
        }

        .pulse-badge {
            display: inline-block;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* 积分榜预览卡片 */
        .standings-preview {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .standings-preview table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }

        .standings-preview th {
            background: #f8fafc;
            padding: 0.6rem 0.5rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.75rem;
            color: #64748b;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            border-bottom: 2px solid #e2e8f0;
        }

        .standings-preview td {
            padding: 0.55rem 0.5rem;
            border-bottom: 1px solid #f1f5f9;
            color: #334155;
        }

        .standings-preview tr:hover td {
            background: #f8fafc;
        }

        .standings-preview .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
        }

        .rank-badge.top {
            background: #16a34a;
            color: #fff;
        }
        .rank-badge.high {
            background: #dcfce7;
            color: #16a34a;
        }
        .rank-badge.mid {
            background: #f1f5f9;
            color: #64748b;
        }

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

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

        .faq-question {
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #1e293b;
            user-select: none;
            transition: color var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.25rem;
            color: #64748b;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1rem;
        }

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

        .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: #94a3b8;
        }

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

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .site-footer h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

        .site-footer a {
            color: #94a3b8;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.8rem;
            color: #64748b;
            align-items: center;
        }

        .footer-bottom a {
            font-size: 0.8rem;
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* 表单 */
        .cta-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 25px;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            background: #fff;
        }

        .cta-form input:focus {
            border-color: var(--color-brand);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.08);
        }

        /* 对比表 */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .compare-table th {
            background: #1e293b;
            color: #fff;
            padding: 0.9rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
            text-align: center;
        }

        .compare-table td {
            padding: 0.8rem 1rem;
            text-align: center;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
            background: #fff;
        }

        .compare-table tr:hover td {
            background: #f8fafc;
        }

        .compare-table .highlight-col {
            background: #f0fdf4 !important;
            font-weight: 600;
        }

        .highlight-check {
            color: #16a34a;
            font-size: 1.1rem;
        }
        .highlight-dash {
            color: #cbd5e1;
        }

        @media (max-width: 768px) {
            .flash-bar {
                font-size: 0.75rem;
                padding: 0.6rem 1rem;
                gap: 0.5rem;
            }
            .flash-bar .countdown-digit {
                font-size: 0.9rem;
                min-width: 28px;
                padding: 0.2rem 0.45rem;
            }
            .standings-preview table {
                font-size: 0.7rem;
            }
            .standings-preview th,
            .standings-preview td {
                padding: 0.4rem 0.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

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

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

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 自定义补充样式 */
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            background: #f0fdf4;
            color: #15803d;
            border: 1px solid #bbf7d0;
            white-space: nowrap;
        }

        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #22c55e;
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d1fae5;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #0f172a;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-number .stat-suffix {
            font-size: 1.5rem;
            color: var(--color-brand);
            font-weight: 700;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .service-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .service-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .compare-table th {
            background: #f8fafc;
            font-weight: 600;
            color: #1e293b;
            font-size: 0.9rem;
            padding: 0.9rem 1rem;
            border-bottom: 2px solid #e2e8f0;
        }

        .compare-table td {
            padding: 0.85rem 1rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #f1f5f9;
            color: #475569;
        }

        .compare-table .highlight-cell {
            background: #f0fdf4;
            font-weight: 600;
            color: #15803d;
            border-radius: 4px;
        }

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

        .faq-item:hover {
            border-color: #d1fae5;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e293b;
            background: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: all var(--transition-fast);
            border: none;
            outline: none;
        }

        .faq-question:hover {
            background: #fafdf9;
            color: #15803d;
        }

        .faq-answer {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            color: #15803d;
            border-bottom: 1px solid #f1f5f9;
        }

        .faq-icon {
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: #94a3b8;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #15803d;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            background: #fafbfc;
            color: #1e293b;
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: #22c55e;
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.08);
            background: #fff;
            outline: none;
        }

        .cta-submit-btn {
            display: inline-block;
            width: 100%;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-brand);
            border-radius: 30px;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            letter-spacing: 0.01em;
        }

        .cta-submit-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 24px rgba(22, 163, 74, 0.35);
            transform: translateY(-2px);
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d1fae5;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .site-footer a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            align-items: center;
            justify-content: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e293b;
            font-size: 0.8rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
                align-items: stretch;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: 8px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                border-radius: 8px;
                margin-top: 0.25rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: #f0fdf4;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-form-card {
                padding: 1.5rem 1rem;
            }
            .compare-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .compare-table {
                min-width: 600px;
            }
            .container-custom {
                padding: 0 1rem;
            }
        }

        @media (max-width: 520px) {
            .nav-inner {
                padding: 0 0.75rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-number .stat-suffix {
                font-size: 1rem;
            }
            .stat-card {
                padding: 1rem 0.75rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 0.25rem 0.7rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

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

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

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero */
        .hero-kv {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-kv::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 2rem 1.5rem;
            max-width: 700px;
        }

        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 30px;
            padding: 0.6rem 1.5rem;
            margin-bottom: 1.5rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .countdown-bar .countdown-timer {
            display: inline-flex;
            gap: 0.35rem;
            align-items: center;
        }

        .countdown-bar .countdown-timer span {
            background: #fff;
            color: #0f172a;
            border-radius: 6px;
            padding: 0.2rem 0.5rem;
            font-weight: 700;
            font-size: 1rem;
            min-width: 32px;
            text-align: center;
            display: inline-block;
        }

        .countdown-bar .countdown-sep {
            color: #fff;
            font-weight: 700;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-hero-primary {
            display: inline-block;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-brand);
            border-radius: 30px;
            transition: all var(--transition-normal);
            letter-spacing: 0.01em;
            box-shadow: 0 6px 24px rgba(22, 163, 74, 0.4);
        }

        .btn-hero-primary:hover {
            background: var(--color-brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(22, 163, 74, 0.5);
        }

        .btn-hero-secondary {
            display: inline-block;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: 30px;
            transition: all var(--transition-normal);
            letter-spacing: 0.01em;
        }

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

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

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f172a;
            text-align: center;
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #64748b;
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

        .metric-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand);
            letter-spacing: -0.01em;
        }

        .metric-label {
            font-size: 0.9rem;
            color: #64748b;
            margin-top: 0.3rem;
        }

        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: #f0fdf4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--color-brand);
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
        }

        .service-card p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
            flex-grow: 1;
        }

        .service-card .service-tag {
            display: inline-block;
            margin-top: 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-brand);
            background: #f0fdf4;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            align-self: flex-start;
        }

        /* 结果对比 */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid var(--color-border-light);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .compare-table th {
            background: #f8fafc;
            padding: 1rem 1.2rem;
            text-align: left;
            font-weight: 700;
            font-size: 0.9rem;
            color: #0f172a;
            border-bottom: 2px solid var(--color-border);
        }

        .compare-table td {
            padding: 1rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            border-bottom: 1px solid var(--color-border-light);
        }

        .compare-table .highlight-row {
            background: #f0fdf4;
        }

        .compare-table .check-icon {
            color: var(--color-brand);
            font-weight: 700;
        }

        .compare-table .cross-icon {
            color: #ef4444;
        }

        /* 深度内容区 */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            line-height: 1.9;
        }

        .deep-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
            margin-top: 1.5rem;
        }

        .deep-content h3:first-child {
            margin-top: 0;
        }

        .deep-content p {
            color: #475569;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        /* 品牌介绍 */
        .brand-intro {
            background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f8fafc 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid #d1fae5;
            text-align: center;
        }

        .brand-intro h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
        }

        .brand-intro p {
            font-size: 1rem;
            color: #475569;
            line-height: 1.8;
            max-width: 750px;
            margin: 0 auto;
        }

        /* 新闻中心 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

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

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

        .news-card .news-img {
            height: 160px;
            background: #e2e8f0;
            overflow: hidden;
        }

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

        .news-card .news-body {
            padding: 1.2rem;
        }

        .news-card .news-date {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-bottom: 0.4rem;
        }

        .news-card .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .news-card .news-summary {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.5;
            margin-bottom: 0.8rem;
        }

        .news-card .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-brand);
            transition: color var(--transition-fast);
        }

        .news-card .news-link:hover {
            color: var(--color-brand-dark);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

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

        .faq-item summary {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: #0f172a;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 700;
            color: #94a3b8;
            transition: transform var(--transition-fast);
        }

        .faq-item[open] summary::after {
            content: '−';
            color: var(--color-brand);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.7;
        }

        /* CTA 表单 */
        .cta-form-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
        }

        .cta-form-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .cta-form-section p {
            color: #cbd5e1;
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

        .cta-form-inline {
            display: flex;
            gap: 0.8rem;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form-inline input {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.2rem;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form-inline input::placeholder {
            color: #94a3b8;
        }

        .cta-form-inline input:focus {
            border-color: var(--color-brand-light);
            background: rgba(255, 255, 255, 0.14);
            outline: none;
        }

        .cta-form-inline button {
            padding: 0.85rem 2rem;
            border-radius: 30px;
            background: var(--color-brand);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .cta-form-inline button:hover {
            background: var(--color-brand-light);
            box-shadow: 0 6px 24px rgba(22, 163, 74, 0.5);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-grid h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

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

        .footer-grid ul li {
            margin-bottom: 0.35rem;
        }

        .footer-grid ul li a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            font-size: 0.8rem;
            color: #64748b;
            border-top: 1px solid #1e293b;
            padding-top: 1.5rem;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                display: block;
                padding: 0.7rem 1rem;
                border-radius: 8px;
                text-align: center;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-cta-btn {
                display: block;
                text-align: center;
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-kv {
                min-height: 440px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .compare-table-wrap {
                font-size: 0.8rem;
            }
            .cta-form-inline {
                flex-direction: column;
                align-items: center;
            }
            .cta-form-inline input {
                width: 100%;
            }
            .deep-content {
                padding: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .metric-card {
                padding: 1rem;
            }
            .metric-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .hero-kv {
                min-height: 380px;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .cta-form-section {
                padding: 2rem 1.2rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
            .brand-intro {
                padding: 1.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
            margin: 0;
        }

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

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }
        .nav-links a.active {
            color: var(--color-brand);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 按钮 */
        .btn-brand {
            display: inline-block;
            padding: 0.75rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 24px;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 0.7rem 1.7rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-brand);
            background: transparent;
            border: 2px solid var(--color-brand);
            border-radius: 24px;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 6px 20px rgba(22, 163, 74, 0.25);
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-block;
            padding: 0.75rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #1e293b;
            background: #fff;
            border-radius: 24px;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* 卡片 */
        .card-elevated {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card-elevated:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        /* 指标卡片 */
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-brand-light);
        }
        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 0.4rem;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            background: #dcfce7;
            color: #166534;
            white-space: nowrap;
        }
        .tag-warm {
            background: #fef3c7;
            color: #92400e;
        }
        .tag-blue {
            background: #dbeafe;
            color: #1e40af;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: var(--color-brand);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.8rem;
        }
        .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
            color: var(--color-brand);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* 对比表 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .compare-table th,
        .compare-table td {
            padding: 1rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table th {
            background: #f0fdf4;
            font-weight: 700;
            color: #166534;
            font-size: 0.9rem;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-row {
            background: #f9fefb;
            font-weight: 600;
        }
        .check-icon {
            color: #16a34a;
            font-weight: 700;
        }
        .cross-icon {
            color: #dc2626;
            font-weight: 700;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 0;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #1e293b;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
            justify-content: center;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
        }
        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .container-custom {
                padding: 0 1rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.7rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                width: 100%;
                text-align: center;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.4rem;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 0.6rem 0.5rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .nav-inner {
                padding: 0 0.8rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .container-custom {
                padding: 0 0.75rem;
            }
            .btn-brand,
            .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
            .metric-value {
                font-size: 1.5rem;
            }
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category6 */
:root {
            --color-brand: #16a34a;
            --color-brand-dark: #15803d;
            --color-brand-light: #22c55e;
            --color-brand-pale: #dcfce7;
            --color-surface: #ffffff;
            --color-bg: #f8fafc;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-normal: 260ms ease;
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0f172a;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.8);
            }
        }

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

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 0.5rem;
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
            padding: 0;
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #334155;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

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

        .site-footer ul li {
            margin-bottom: 0.35rem;
        }

        .site-footer ul li a {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            max-width: 1200px;
            margin: 1.5rem auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            font-size: 0.8rem;
            color: #64748b;
            align-items: center;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        /* Hero 倒计时 */
        .countdown-bar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 50px;
            padding: 0.6rem 1.5rem;
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
        }

        .countdown-bar .count-num {
            background: #fff;
            color: #0f172a;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.2rem 0.55rem;
            border-radius: 6px;
            min-width: 32px;
            text-align: center;
            display: inline-block;
        }

        .countdown-bar .count-sep {
            font-weight: 700;
            color: #fbbf24;
            font-size: 1rem;
        }

        /* 数据看板卡片 */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

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

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            font-size: 1.4rem;
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }

        /* 工具卡片 */
        .tool-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-brand-pale);
        }

        .tool-card .tool-badge {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }

        .tool-card .tool-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

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

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

        .faq-item summary {
            padding: 1rem 1.25rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #0f172a;
            font-size: 0.95rem;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-item .faq-content {
            padding: 0 1.25rem 1.25rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* 对比表格 */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-width: 600px;
        }

        .compare-table th,
        .compare-table td {
            padding: 1rem 1.25rem;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }

        .compare-table th {
            background: #f8fafc;
            font-weight: 600;
            color: #0f172a;
            white-space: nowrap;
        }

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

        .compare-table .check-icon {
            color: var(--color-brand);
            font-weight: 700;
        }

        .compare-table .dash-icon {
            color: #cbd5e1;
        }

        /* 表单 */
        .cta-form-wrap {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .cta-form-wrap input,
        .cta-form-wrap select,
        .cta-form-wrap textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            background: #fafbfc;
            color: #0f172a;
        }

        .cta-form-wrap input:focus,
        .cta-form-wrap select:focus,
        .cta-form-wrap textarea:focus {
            border-color: var(--color-brand-light);
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.08);
            background: #fff;
            outline: none;
        }

        .cta-form-wrap label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            color: #334155;
            margin-bottom: 0.4rem;
        }

        .btn-primary {
            display: inline-block;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: var(--color-brand);
            border-radius: 30px;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 22px rgba(22, 163, 74, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-block;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand);
            background: transparent;
            border: 2px solid var(--color-brand);
            border-radius: 30px;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-brand-pale);
            border-color: var(--color-brand-dark);
            color: var(--color-brand-dark);
            transform: translateY(-2px);
        }

        .btn-white {
            display: inline-block;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: #0f172a;
            background: #fff;
            border-radius: 30px;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-white:hover {
            background: #f1f5f9;
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.12);
            transform: translateY(-2px);
        }

        /* 流程步骤 */
        .step-line {
            display: flex;
            align-items: flex-start;
            gap: 0;
            flex-wrap: wrap;
            position: relative;
        }

        .step-item {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 0 0.5rem;
        }

        .step-item .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-brand);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            position: relative;
            z-index: 2;
        }

        .step-item .step-connector {
            position: absolute;
            top: 22px;
            left: 55%;
            width: 90%;
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        .step-item:last-child .step-connector {
            display: none;
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 99;
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 0.6rem 0.9rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                border-radius: 8px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
            .step-line {
                flex-direction: column;
                gap: 1.5rem;
            }
            .step-item .step-connector {
                display: none;
            }
            .step-item {
                min-width: auto;
            }
            .cta-form-wrap {
                padding: 1.5rem;
            }
            .countdown-bar {
                font-size: 0.78rem;
                padding: 0.5rem 1rem;
                gap: 0.35rem;
            }
            .countdown-bar .count-num {
                font-size: 0.9rem;
                padding: 0.15rem 0.4rem;
                min-width: 26px;
            }
        }

        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 0.6rem 0.75rem;
                font-size: 0.78rem;
            }
        }