/* ===== faq ===== */
        :root {
            --primary: #1a56db;
            --primary-dark: #0e3eb3;
            --secondary: #e53e3e;
            --accent: #38b2ac;
            --dark: #1a202c;
            --light: #f7fafc;
            --gray: #718096;
            --success: #48bb78;
            --warning: #ed8936;
            --danger: #e53e3e;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', 'Roboto', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f8f9fa;
        }
        
        .container {
            width: 100%;
            max-width: 1500px;
            margin: 0 auto;
            padding: 0 20px;
        }
        

        /* 首屏样式 */
        .hero {
            background: linear-gradient(120deg, #1a2a6c, #b21f1f, #1a2a6c);
            background-size: 200% 200%;
            animation: gradient 15s ease infinite;
            color: white;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .hero-container {
            display: flex;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        
        .hero-content {
            flex: 1;
            padding-right: 40px;
        }
        
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .hero-search {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 30px;
            width: 45%;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        
        .search-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .search-title {
            font-size: 1.5rem;
            font-weight: 600;
        }
        
        .live-badge {
            background: rgba(255, 255, 255, 0.2);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
        }
        
        .pulse {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: #4CAF50;
            border-radius: 50%;
            margin-right: 8px;
            animation: pulse 1.5s infinite;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
            100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
        }
        
        .search-form {
            margin-bottom: 25px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: none;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.9);
            font-size: 1rem;
        }
        
        .form-row {
            display: flex;
            gap: 15px;
        }
        
        .form-row .form-group {
            flex: 1;
        }
        
        .btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.3s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        .btn:hover {
            background: var(--primary-dark);
        }
        
        .btn i {
            margin-right: 8px;
        }
        
        .warehouse-status {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        
        .status-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .wh-code {
            font-weight: 700;
            font-size: 1.1rem;
        }
        
        .wh-status {
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .status-good {
            background: rgba(46, 204, 113, 0.3);
            color: #2ecc71;
        }
        
        .status-warning {
            background: rgba(241, 196, 15, 0.3);
            color: #f1c40f;
        }
        
        .status-danger {
            background: rgba(231, 76, 60, 0.3);
            color: #e74c3c;
        }
        

        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-container {
                flex-direction: column;
            }
            
            .hero-content {
                padding-right: 0;
                margin-bottom: 40px;
                text-align: center;
            }
            
            .hero-subtitle {
                margin: 0 auto 30px;
            }
            
            .hero-search {
                width: 100%;
                max-width: 600px;
                margin: 0 auto;
            }
            
            .nav-links {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }