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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.5;
            color: #1a1f2e;
            background-color: #ffffff;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 头部导航 */
        .header {
            background: #ffffff;
            border-bottom: 1px solid #eef2f5;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #0a2540;
            text-decoration: none;
            letter-spacing: -0.02em;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

            .nav-links a {
                text-decoration: none;
                color: #425466;
                font-weight: 500;
                transition: color 0.2s;
            }

                .nav-links a:hover {
                    color: #0a2540;
                }

        .btn-outline {
            border: 1px solid #0a2540;
            background: transparent;
            padding: 8px 20px;
            border-radius: 40px;
            color: #0a2540;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 0.9rem;
        }

            .btn-outline:hover {
                background: #0a2540;
                color: white;
            }

        .btn-primary {
            background: #0a2540;
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-block;
            text-decoration: none;
        }

            .btn-primary:hover {
                background: #1a3a5a;
            }

        .btn-secondary {
            background: transparent;
            border: 1px solid #0a2540;
            color: #0a2540;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-block;
            text-decoration: none;
        }

            .btn-secondary:hover {
                background: #f8f9fa;
            }

        /* Hero区域 */
        .hero {
            padding: 80px 0 64px;
            background: #ffffff;
            text-align: center;
            border-bottom: 1px solid #eef2f5;
        }

            .hero h1 {
                font-size: 3.5rem;
                font-weight: 700;
                color: #0a2540;
                margin-bottom: 24px;
                letter-spacing: -0.02em;
                line-height: 1.2;
            }

            .hero p {
                font-size: 1.25rem;
                color: #425466;
                max-width: 720px;
                margin: 0 auto 32px;
                line-height: 1.6;
            }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .trust-badge {
            margin-top: 48px;
            font-size: 0.85rem;
            color: #6c7a89;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .trust-logos {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 24px;
            opacity: 0.7;
        }

            .trust-logos span {
                font-size: 0.9rem;
                font-weight: 500;
                color: #5a6e7c;
            }

        /* 通用板块样式 */
        .section {
            padding: 80px 0;
            border-bottom: 1px solid #eef2f5;
        }

        .section-alt {
            background: #fafbfc;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 16px;
            color: #0a2540;
            letter-spacing: -0.01em;
        }

        .section-sub {
            text-align: center;
            color: #5a6e7c;
            max-width: 720px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        /* 三列卡片网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 20px;
        }

        .card {
            background: white;
            border-radius: 24px;
            padding: 32px;
            transition: all 0.2s;
            border: 1px solid #eef2f5;
        }

            .card:hover {
                transform: translateY(-4px);
                box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            }

        .card-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .card h3 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            color: #0a2540;
            font-weight: 600;
        }

        .card p {
            color: #5a6e7c;
            line-height: 1.6;
        }

        /* 技术步骤流程 */
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 24px;
            margin-top: 40px;
        }

        .step-card {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 32px 24px;
            background: white;
            border-radius: 24px;
            border: 1px solid #eef2f5;
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: #0a2540;
            color: white;
            border-radius: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 auto 20px;
        }

        .step-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0a2540;
        }

        .step-card p {
            color: #5a6e7c;
            font-size: 0.95rem;
        }

        /* 技术攻略模块 */
        .tech-tips {
            margin-top: 48px;
            background: #f8f9fc;
            border-radius: 24px;
            padding: 32px;
            border: 1px solid #eef2f5;
        }

            .tech-tips h3 {
                font-size: 1.3rem;
                margin-bottom: 20px;
                color: #0a2540;
            }

        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
        }

            .tips-list li {
                list-style: none;
                padding: 8px 0;
                color: #2c3e50;
            }

        /* 适用范围网格 */
        .scope-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }

        .scope-item {
            background: white;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid #eef2f5;
        }

            .scope-item h4 {
                font-size: 1.2rem;
                margin-bottom: 12px;
                color: #0a2540;
            }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
            justify-content: center;
        }

        .tag {
            background: #eef2f5;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #0a2540;
            font-weight: 500;
        }

        /* 对比表格通用 */
        .compare-wrapper {
            background: white;
            border-radius: 24px;
            overflow-x: auto;
            border: 1px solid #eef2f5;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

            .compare-table th, .compare-table td {
                padding: 18px 20px;
                text-align: left;
                border-bottom: 1px solid #eef2f5;
            }

            .compare-table th {
                background: #fafbfc;
                color: #0a2540;
                font-weight: 600;
            }

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

        .check {
            color: #2c6e2c;
            font-weight: 600;
        }
        .cross {
            color: #c0392b;
            font-weight: 600;
        }

        /* 数据统计行 */
        .stats-row {
            display: flex;
            justify-content: center;
            gap: 64px;
            flex-wrap: wrap;
            margin-top: 48px;
            padding: 32px 0;
            border-top: 1px solid #eef2f5;
        }

        .stat-number-lg {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0a2540;
        }

        /* FAQ折叠模块 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid #eef2f5;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 20px 0;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #0a2540;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: #5a6e7c;
            padding-bottom: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 24px;
        }

        /* 用户评价卡片样式 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .review-card {
            background: white;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid #eef2f5;
            transition: all 0.2s;
        }

            .review-card:hover {
                transform: translateY(-3px);
                box-shadow: 0 12px 24px rgba(0,0,0,0.05);
            }

        .review-user {
            color: #0a2540;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            justify-content: space-between;
        }
        .review-star{
            color:#ffb800;
        }

        .review-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0a2540;
        }

        .review-card p {
            color: #5a6e7c;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        /* 新增：双版本对比板块专用样式 */
        .version-compare-wrap {
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .version-card {
            background: #fff;
            border-radius: 24px;
            border: 1px solid #eef2f5;
            padding: 36px 28px;
            position: relative;
        }
        .version-card.pro {
            border-top: 5px solid #2563eb;
        }
        .version-card.std {
            border-top: 5px solid #64748b;
        }
        .version-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0a2540;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap:8px;
        }
        .version-price {
            font-size: 2rem;
            font-weight: 800;
            color:#2563eb;
            margin:16px 0 24px;
        }
        .version-feature-list li {
            list-style: none;
            padding:10px 0;
            border-bottom:1px solid #f1f5f9;
            color:#2c3e50;
        }
        .version-feature-list li:last-child {
            border-bottom: none;
        }
        .version-bottom-btn {
            text-align:center;
            margin-top:40px;
        }

        /* CTA底部转化区 */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            background: #0a2540;
            color: white;
        }

            .cta-section h2 {
                font-size: 2rem;
                margin-bottom: 16px;
            }

            .cta-section p {
                max-width: 600px;
                margin: 0 auto 32px;
                opacity: 0.8;
            }

        .btn-light {
            background: white;
            color: #0a2540;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
        }

        /* 页脚 */
        .footer {
            background: #fafbfc;
            padding: 48px 0;
            text-align: center;
            border-top: 1px solid #eef2f5;
            color: #5a6e7c;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .version-compare-wrap {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }

            .nav-links {
                display: none;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }