 /* 页面特定样式 */
        .hero-section {
            height: 60vh;
            min-height: 400px;
        }

        .hero-title {
            font-size: 56px;
        }
        
            /* 语言选择器样式 */
            .lang-select {
                margin-left: 20px;
                padding: 8px 24px 8px 10px;
                border: 1px solid #e2e8f0;
                border-radius: 8px;
                background-color: rgba(255, 255, 255, 0.9);
                color: #64748b;
                font-size: 14px;
                cursor: pointer;
                outline: none;
                appearance: none;
                -webkit-appearance: none;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
                background-repeat: no-repeat;
                background-position: right 8px center;
                transition: all 0.3s ease;
                font-weight: 500;
            }

            .lang-select:hover {
                border-color: #2563eb;
                color: #2563eb;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            }

            /* 透明导航栏下的适配 */
            .navbar-transparent .lang-select {
                background-color: rgba(255, 255, 255, 0.2);
                border-color: rgba(255, 255, 255, 0.3);
                color: #fff;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            }
            
            .navbar-transparent .lang-select option {
                background-color: #fff;
                color: #333;
            }
        /* 定价板块 */
        .pricing-section {
            width: 100%;
            padding: 100px 0;
            background: #fff;
        }

        .pricing-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 18px;
            color: #64748b;
        }

        .pricing-card-wrapper {
            display: flex;
            justify-content: center;
            padding-bottom: 80px;
            border-bottom: 1px solid;
            gap: 40px;
            flex-wrap: wrap;
        }

        .pricing-card {
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 24px;
            padding: 30px 40px;
            max-width: 380px;
            width: 100%;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease;
        }

        /* 竞品卡片样式 */
        .pricing-card.competitor {
            background: #f8fafc;
            border-color: #e2e8f0;
            box-shadow: none;
        }

        .pricing-card.competitor .pricing-plan-name {
            color: #64748b;
        }

        .pricing-card.competitor .pricing-price {
            color: #475569;
            font-size: 56px;
        }

        .pricing-card.competitor::before {
            display: none;
        }
            .stat-value {
            font-size: 48px;
            font-weight: 700;
            color: #2563eb;
            margin-bottom: 15px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        .stat-label {
            font-size: 16px;
            color: #475569;
            font-weight: 500;
        }

        .why-free-footer {
            padding-top: 20px;
            border-top: 1px solid #f1f5f9;
            color: #64748b;
            font-size: 15px;
        }
        .pricing-card.competitor .feature-icon {
            color: #94a3b8;
        }
          /* 为什么免费板块样式 */
        .why-free-section {
            width: 100%;
            padding-bottom: 100px;
            background: #fff;
            display: flex;
            justify-content: center;
        }
        
        .why-free-content {
            width: 100%;
            max-width: 1400px;
            padding: 0 40px;
            display: flex;
            justify-content: center;
        }

        .why-free-card {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
            padding: 40px 30px;
            max-width: 800px;
            width: 100%;
            text-align: center;
            border: 1px solid #f1f5f9;
        }

        .why-free-title {
            font-size: 32px;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 30px;
        }

        .why-free-desc {
            font-size: 16px;
            color: #64748b;
            line-height: 1.8;
            max-width: 800px;
            margin: 0 auto 45px;
        }

        .why-free-stats {
            display: flex;
            justify-content: space-around;
            align-items: center;
            margin-bottom: 60px;
            flex-wrap: wrap;
            gap: 40px;
        }

        .why-free-stat {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .pricing-card.competitor .pricing-feature-item {
            color: #64748b;
        }

        /* 推荐标记 */
        .recommended-badge {
            position: absolute;
            top: 20px;
            right: -30px;
            background: #2563eb;
            color: #fff;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 12px;
            font-weight: 600;
            z-index: 1;
        }

        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, #2563eb, #3b82f6);
        }

        .pricing-plan-name {
            font-size: 24px;
            font-weight: 600;
            color: #2563eb;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .pricing-price {
            font-size: 72px;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 10px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        .pricing-period {
            font-size: 18px;
            color: #64748b;
            margin-bottom: 20px;
            display: block;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }

        .pricing-feature-item {
            padding: 12px 0;
            border-bottom: 1px solid #f1f5f9;
            color: #334155;
            font-size: 16px;
            display: flex;
            align-items: center;
        }

        .pricing-feature-item:last-child {
            border-bottom: none;
        }

        .feature-icon {
            color: #2563eb;
            margin-right: 15px;
            font-size: 18px;
        }

        .pricing-cta {
            display: inline-block;
            background: #2563eb;
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .pricing-cta:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
        }

        /* FAQ板块 */
        .faq-section {
            width: 100%;
            padding: 80px 0;
            background: #f8fafc;
        }

        .faq-content {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
        }

        .faq-item {
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid #e5e7eb;
        }

        .faq-question {
            font-size: 18px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
        }

        .faq-answer {
            font-size: 15px;
            color: #64748b;
            line-height: 1.6;
        }

        /* 导航栏样式补充 */
        .nav-actions a, .logo-section { text-decoration: none; }
        .btn-login .btn-text, .btn-signup .btn-text { padding: 12px 24px; display: block; }
        .btn-signup, .btn-login { padding: 0px; }
        .nav-menu .nav-item { transition: all 0.3s ease; position: relative; }
        .nav-menu .nav-item:hover { color: #2563eb; transform: translateY(-2px); }
        .nav-menu .nav-item.active, .nav-menu .nav-item:hover { color: #2563eb; font-weight: 600; }
        .nav-menu .nav-item.active::after, .nav-menu .nav-item:hover::after {
            content: ''; position: absolute; bottom: -5px; left: 0; width: 100%; height: 2px;
            background: linear-gradient(90deg, #2563eb, #3b82f6); border-radius: 1px;
        }