* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
            max-width: 500px;
            margin: 0 auto;
        }
        
        .container {
            padding: 15px;
            padding-bottom: 70px;
        }
        
        header {
            background: linear-gradient(135deg, #1a6fc4 0%, #2c87c7 100%);
            color: white;
            padding: 20px 15px;
            text-align: center;
            border-radius: 0 0 15px 15px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        
        .logo {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 8px;
        }
        
        .slogan {
            font-size: 14px;
            opacity: 0.9;
            margin-bottom: 15px;
        }
        
        .card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }
        
        .section-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #1a6fc4;
            display: flex;
            align-items: center;
        }
        
        .section-title i {
            margin-right: 8px;
        }
        
        .btn {
            display: block;
            background: #1a6fc4;
            color: white;
            text-align: center;
            padding: 14px;
            border-radius: 8px;
            font-weight: 500;
            text-decoration: none;
            margin: 20px 0;
            box-shadow: 0 4px 8px rgba(26, 111, 196, 0.25);
            border: none;
            width: 100%;
            cursor: pointer;
        }
        
        .btn-secondary {
            background: #f8f9fa;
            color: #1a6fc4;
            border: 1px solid #eaeaea;
        }
        
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin: 20px 0;
        }
        
        .service-item {
            background: white;
            border-radius: 12px;
            padding: 15px 10px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            cursor: pointer;
        }
        
        .service-icon {
            font-size: 24px;
            color: #1a6fc4;
            margin-bottom: 8px;
        }
        
        .service-name {
            font-size: 13px;
            color: #555;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-label {
            display: block;
            font-size: 14px;
            margin-bottom: 6px;
            color: #666;
            font-weight: 500;
        }
        
        .form-input, .form-select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            font-size: 15px;
            background-color: white;
        }
        
        .form-input:focus, .form-select:focus {
            border-color: #1a6fc4;
            outline: none;
        }
        
        .upload-box {
            border: 1px dashed #e0e0e0;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            color: #888;
            margin: 10px 0;
            cursor: pointer;
        }
        
        .upload-icon {
            font-size: 24px;
            margin-bottom: 8px;
            color: #1a6fc4;
        }
        
        .role-selector {
            display: flex;
            margin: 20px 0;
        }
        
        .role-item {
            flex: 1;
            text-align: center;
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            margin: 0 5px;
            cursor: pointer;
        }
        
        .role-item.active {
            border-color: #1a6fc4;
            background: #f0f7ff;
        }
        
        footer {
            background: white;
            padding: 15px;
            text-align: center;
            font-size: 12px;
            color: #888;
            border-top: 1px solid #f0f0f0;
            position: fixed;
            bottom: 0;
            width: 100%;
            max-width: 500px;
        }
        
        .nav-tabs {
            display: flex;
            background: white;
            position: fixed;
            bottom: 0;
            width: 100%;
            max-width: 500px;
            border-top: 1px solid #f0f0f0;
        }
        
        .nav-item {
            flex: 1;
            text-align: center;
            padding: 12px 0;
            font-size: 12px;
            color: #888;
            cursor: pointer;
        }
        
        .nav-item.active {
            color: #1a6fc4;
        }
        
        .nav-icon {
            font-size: 20px;
            margin-bottom: 4px;
        }
        
        .page {
            display: none;
        }
        
        .page.active {
            display: block;
        }
        
        .hidden {
            display: none;
        }
        
        .toggle-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .toggle-content.show {
            max-height: 950px;
        }
        
        .toggle-btn {
            color: #1a6fc4;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            cursor: pointer;
        }
        
        .image-preview {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }
        
        .preview-item {
            position: relative;
            width: 80px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .preview-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .preview-item .remove-btn {
            position: absolute;
            top: 2px;
            right: 2px;
            background: rgba(0,0,0,0.5);
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            cursor: pointer;
        }
        
        .required::after {
            content: " *";
            color: #ff4d4f;
        }