/* 严格的命名空间前缀，防止样式冲突 */
        .fba-air-component {
            --fba-air-primary: #2563eb;
            --fba-air-primary-dark: #1d4ed8;
            --fba-air-secondary: #f97316;
            --fba-air-light: #f8fafc;
            --fba-air-dark: #0f172a;
            --fba-air-success: #10b981;
            --fba-air-danger: #ef4444;
            --fba-air-gray: #64748b;
            --fba-air-light-gray: #e2e8f0;
        }
        
        .fba-air-component * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        /* Hero Section */
        .fba-air-hero {
            background: linear-gradient(120deg, rgba(30, 58, 138, 0.9), rgba(37, 99, 235, 0.9)), 
                        url('https://www.tieyunfei.com/wp-content/uploads/2025/08/空运美国.png') center/cover no-repeat;
            color: white;
            padding: 180px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .fba-air-container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .fba-air-hero-content {
            display: flex;
            gap: 40px;
            position: relative;
            z-index: 2;
        }
        
        .fba-air-hero-info {
            flex: 1;
            max-width: 650px;
        }
        
        .fba-air-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        
        .fba-air-hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 600px;
        }
        
        .fba-air-hero-btns {
            display: flex;
            gap: 15px;
            margin-bottom: 40px;
        }
        
        /* 按钮样式 */
        .fba-air-btn {
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            display: inline-block;
            text-align: center;
        }
        
        .fba-air-btn-secondary {
            background-color: var(--fba-air-secondary);
            color: white;
        }
        
        .fba-air-btn-secondary:hover {
            background-color: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
        }
        
        .fba-air-btn-outline {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        
        .fba-air-btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        
        .fba-air-btn-primary {
            background-color: var(--fba-air-primary);
            color: white;
        }
        
        .fba-air-btn-primary:hover {
            background-color: var(--fba-air-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        
        .fba-air-hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 40px;
        }
        
        .fba-air-stat-item {
            text-align: center;
        }
        
        .fba-air-stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--fba-air-secondary);
            margin-bottom: 5px;
        }
        
        .fba-air-stat-label {
            font-size: 1rem;
            opacity: 0.8;
        }
        
        /* 计算器样式 */
        .fba-air-calculator {
            flex: 1;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 30px;
            max-width: 500px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .fba-air-calculator h2 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            text-align: center;
        }
        
        .fba-air-form-group {
            margin-bottom: 20px;
        }
        
        .fba-air-form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: white;
        }
        
        .fba-air-form-group select, 
        .fba-air-form-group input {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
        }
        
        .fba-air-form-group select option {
            background: var(--fba-air-dark);
            color: white;
        }
        
        .fba-air-form-group input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .fba-air-form-row {
            display: flex;
            gap: 15px;
        }
        
        .fba-air-form-row .fba-air-form-group {
            flex: 1;
        }
        
        .fba-air-weight-info {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 10px 15px;
            margin-top: 15px;
            font-size: 0.9rem;
            text-align: center;
        }
        
        /* 悬浮结果框 */
        .fba-air-floating-result {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 500px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            z-index: 100;
            display: none;
            color: var(--fba-air-dark);
            animation: fba-air-slideIn 0.5s ease-out forwards;
        }
        
        @keyframes fba-air-slideIn {
            from { opacity: 0; transform: translate(-50%, -40%); }
            to { opacity: 1; transform: translate(-50%, -50%); }
        }
        
        .fba-air-result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--fba-air-light-gray);
            padding-bottom: 15px;
        }
        
        .fba-air-result-header h3 {
            font-size: 1.8rem;
            color: var(--fba-air-primary);
        }
        
        .fba-air-close-btn {
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--fba-air-gray);
            transition: color 0.3s;
        }
        
        .fba-air-close-btn:hover {
            color: var(--fba-air-danger);
        }
        
        .fba-air-result-details {
            margin-bottom: 20px;
        }
        
        .fba-air-detail-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px dashed var(--fba-air-light-gray);
        }
        
        .fba-air-detail-row:last-child {
            border-bottom: none;
        }
        
        .fba-air-detail-label {
            font-weight: 500;
        }
        
        .fba-air-detail-value {
            font-weight: 600;
        }
        
        .fba-air-total-row {
            background: var(--fba-air-light);
            border-radius: 10px;
            padding: 15px;
            margin-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.2rem;
            font-weight: 700;
        }
        
        .fba-air-total-price {
            color: var(--fba-air-secondary);
            font-size: 1.8rem;
        }
        
        .fba-air-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 99;
            display: none;
        }
        
        /* FBA专线服务 */
        .fba-air-fba-routes {
            background-color: white;
            padding: 80px 0;
        }
        
        .fba-air-section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }
        
        .fba-air-section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--fba-air-dark);
            position: relative;
            display: inline-block;
        }
        
        .fba-air-section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--fba-air-secondary);
            border-radius: 2px;
        }
        
        .fba-air-section-subtitle {
            font-size: 1.2rem;
            color: var(--fba-air-gray);
            margin-top: 20px;
        }
        
        .fba-air-routes-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .fba-air-route-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid var(--fba-air-light-gray);
        }
        
        .fba-air-route-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .fba-air-route-header {
            padding: 25px 25px 15px;
            text-align: center;
            border-bottom: 1px solid var(--fba-air-light-gray);
        }
        
        .fba-air-route-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--fba-air-primary) 0%, #3b82f6 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 30px;
        }
        
        .fba-air-route-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--fba-air-dark);
        }
        
        .fba-air-route-body {
            padding: 20px 25px;
        }
        
        .fba-air-route-features {
            list-style: none;
            margin-bottom: 25px;
        }
        
        .fba-air-route-features li {
            padding: 10px 0;
            display: flex;
            align-items: flex-start;
            border-bottom: 1px dashed var(--fba-air-light-gray);
        }
        
        .fba-air-route-features li:last-child {
            border-bottom: none;
        }
        
        .fba-air-route-features li::before {
            content: '✓';
            color: var(--fba-air-success);
            font-weight: bold;
            margin-right: 10px;
            flex-shrink: 0;
        }
        
        /* 仓库搜索 */
        .fba-air-warehouse-search {
            background-color: #f8fafc;
            padding: 80px 0;
        }
        
        .fba-air-search-container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }
        
        .fba-air-search-header {
            background: linear-gradient(120deg, var(--fba-air-primary) 0%, var(--fba-air-primary-dark) 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        .fba-air-search-header h2 {
            font-size: 2rem;
            margin-bottom: 15px;
        }
        
        .fba-air-search-box {
            padding: 30px;
        }
        
        .fba-air-search-form {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }
        
        .fba-air-search-form input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 8px;
            border: 1px solid var(--fba-air-light-gray);
            font-size: 1rem;
        }
        
        .fba-air-search-results {
            max-height: 400px;
            overflow-y: auto;
        }
        
        .fba-air-result-item {
            padding: 20px;
            border-bottom: 1px solid var(--fba-air-light-gray);
            display: flex;
            align-items: center;
        }
        
        .fba-air-result-item:last-child {
            border-bottom: none;
        }
        
        .fba-air-warehouse-icon {
            width: 50px;
            height: 50px;
            background: var(--fba-air-light-gray);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            color: var(--fba-air-primary);
            font-size: 20px;
        }
        
        .fba-air-warehouse-info h3 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--fba-air-dark);
        }
        
        .fba-air-warehouse-info p {
            color: var(--fba-air-gray);
            font-size: 0.9rem;
        }
        
        /* FAQ部分 */
        .fba-air-faq-section {
            background-color: white;
            padding: 80px 0;
        }
        
        .fba-air-faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .fba-air-faq-item {
            border: 1px solid var(--fba-air-light-gray);
            border-radius: 10px;
            margin-bottom: 20px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .fba-air-faq-item.active {
            border-color: var(--fba-air-primary);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
        }
        
        .fba-air-faq-question {
            padding: 20px 25px;
            background-color: #f8fafc;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .fba-air-faq-question::after {
            content: '+';
            font-size: 1.5rem;
            transition: transform 0.3s;
        }
        
        .fba-air-faq-item.active .fba-air-faq-question::after {
            content: '−';
            transform: rotate(180deg);
        }
        
        .fba-air-faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .fba-air-faq-item.active .fba-air-faq-answer {
            padding: 20px 25px;
            max-height: 500px;
        }
        
        .fba-air-faq-answer p {
            margin-bottom: 15px;
            line-height: 1.7;
        }
        
        .fba-air-faq-answer ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
        
        .fba-air-faq-answer li {
            margin-bottom: 8px;
        }
        
        /* 响应式调整 */
        @media (max-width: 1200px) {
            .fba-air-hero h1 {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 992px) {
            .fba-air-hero {
                padding: 150px 0 60px;
            }
            
            .fba-air-hero-content {
                flex-direction: column;
            }
            
            .fba-air-calculator {
                max-width: 100%;
            }
            
            .fba-air-hero-btns {
                justify-content: center;
            }
            
            .fba-air-hero-stats {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .fba-air-hero h1 {
                font-size: 2rem;
            }
            
            .fba-air-hero p {
                font-size: 1rem;
            }
            
            .fba-air-hero-btns {
                flex-direction: column;
                align-items: center;
            }
            
            .fba-air-section-title {
                font-size: 2rem;
            }
            
            .fba-air-search-form {
                flex-direction: column;
            }
            
            .fba-air-floating-result {
                width: 95%;
                padding: 20px;
            }
            
            .fba-air-result-header h3 {
                font-size: 1.5rem;
            }
        }