/* ==================== 全局样式 ==================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            min-height: 100%;
            font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        
        body {
            background: #2d2d2d;
            position: relative;
            min-height: 100vh;
        }
        
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0px, transparent 1px, transparent 50px, rgba(255,255,255,0.03) 51px),
                repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0px, transparent 1px, transparent 50px, rgba(255,255,255,0.03) 51px);
            pointer-events: none;
        }
        
        /* ==================== 顶部导航栏 ==================== */
        .top-bar {
            background: linear-gradient(180deg, #2fa14b 0%, #3eb16a 100%);
            padding: 15px 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .back-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .back-btn:hover {
            background: rgba(255,255,255,0.3);
        }
        
        .user-info {
            background: rgba(255, 255, 255, 0.95);
            padding: 10px 20px;
            border-radius: 25px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            margin: 0 15px;
            max-width: 500px;
        }
        
        .user-icon {
            width: 30px;
            height: 30px;
            background: #f0f0f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #666;
        }
        
        .user-name {
            font-size: 16px;
            font-weight: bold;
            color: #333;
        }
        
        .balance-info {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        
        .balance-label {
            font-size: 14px;
            color: #666;
        }
        
        .balance-amount {
            font-size: 16px;
            font-weight: bold;
            color: #2fa14b;
        }
        
        .menu-btn {
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: 8px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .menu-btn:hover {
            background: rgba(255,255,255,0.3);
            transform: scale(1.05);
        }
        
        /* ==================== 标签页切换 ==================== */
        .tabs-container {
            padding: 15px;
            background: #f5f5f5;
            display: flex;
            gap: 10px;
        }
        
        .tab-btn {
            flex: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.5);
            color: #666;
        }
        
        .tab-btn.active {
            background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(47, 161, 75, 0.4);
        }
        
        /* ==================== 内容区域 ==================== */
        .content {
            padding: 20px;
            position: relative;
            z-index: 1;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        /* ==================== 充值页面（只保留区块链充值） ==================== */
        
        .channel-card {
            background: #fff;
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
        }
        
        .channel-header {
            background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
            color: #fff;
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .crypto-item {
            background: #f8f8f8;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .crypto-item:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
        }
        
        .crypto-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #4dd599 0%, #7ce3b8 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #fff;
        }
        
        .crypto-info {
            flex: 1;
        }
        
        .crypto-name {
            font-size: 16px;
            font-weight: bold;
            color: #333;
            margin-bottom: 5px;
        }
        
        .crypto-desc {
            font-size: 12px;
            color: #999;
        }
        
        /* ==================== 提现方式切换标签 ==================== */
        .method-tabs {
            display: flex;
            gap: 15px;
            padding: 20px;
            background: #f5f5f5;
            border-radius: 15px;
            margin-bottom: 20px;
        }
        
        .method-tab {
            flex: 1;
            padding: 15px 20px;
            background: #fff;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            text-align: center;
            font-size: 16px;
            font-weight: bold;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        
        .method-tab:hover {
            border-color: #2fa14b;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(47, 161, 75, 0.2);
        }
        
        .method-tab.active {
            background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
            color: #fff;
            border-color: #2fa14b;
            box-shadow: 0 4px 12px rgba(47, 161, 75, 0.4);
        }
        
        /* ==================== 表单样式 ==================== */
        .form-card {
            background: #fff;
            border-radius: 15px;
            padding: 25px;
            margin-top: 20px;
        }
        
        .notice-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff3cd;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        
        .notice-icon {
            width: 30px;
            height: 30px;
            background: #ffc107;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        
        .notice-text {
            font-size: 14px;
            color: #856404;
            font-weight: bold;
        }
        
        .form-group {
            margin-bottom: 20px;
            position: relative;
            z-index: auto;
        }
        
        .form-label {
            font-size: 14px;
            color: #333;
            font-weight: bold;
            margin-bottom: 10px;
            display: block;
        }
        
        .form-input {
            width: 100%;
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            background: #f8f8f8;
            transition: all 0.3s;
        }
        
        .form-input:focus {
            outline: none;
            border-color: #2fa14b;
            background: #fff;
        }
        
        /* 下拉选择框样式（参考superior_assistance.html） */
        .form-select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            font-size: 15px;
            color: #333;
            background: #fff;
            transition: all 0.3s;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232fa14b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            padding-right: 40px;
            cursor: pointer;
            position: relative;
            z-index: 1;
        }
        
        .form-select:focus {
            outline: none;
            border-color: #2fa14b;
            box-shadow: 0 0 0 3px rgba(47, 161, 75, 0.1);
        }
        
        .form-select option {
            padding: 10px;
        }
        
        /* 地址输入框包装器（支持复制按钮） */
        .address-input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .address-input-wrapper .form-select {
            flex: 1;
        }
        
        /* 复制地址按钮 */
        .copy-address-btn {
            width: 45px;
            height: 45px;
            background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(47, 161, 75, 0.3);
        }
        
        .copy-address-btn:hover {
            background: linear-gradient(135deg, #3eb16a 0%, #4dd599 100%);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(47, 161, 75, 0.5);
        }
        
        .copy-address-btn:active {
            transform: scale(0.95);
        }
        
        /* 复制成功动画 */
        .copy-address-btn.copied {
            background: linear-gradient(135deg, #4dd599 0%, #7ce3b8 100%);
            animation: copySuccess 0.5s ease;
        }
        
        @keyframes copySuccess {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.2);
            }
        }
        
        .chain-selector {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }
        
        .chain-btn {
            padding: 8px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 20px;
            background: #fff;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
            color: #666;
            min-width: 80px;
            text-align: center;
        }
        
        .chain-btn.active {
            background: #2fa14b;
            color: #fff;
            border-color: #2fa14b;
        }
        
        .rate-info {
            background: #f0f9ff;
            padding: 12px;
            border-radius: 8px;
            font-size: 14px;
            color: #0066cc;
            margin-bottom: 15px;
        }
        
        .fee-warning {
            color: #dc3545;
            font-size: 13px;
            margin-top: 5px;
        }
        
        .submit-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
            color: #fff;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 20px;
        }
        
        .submit-btn:hover {
            box-shadow: 0 6px 16px rgba(47, 161, 75, 0.4);
            transform: translateY(-2px);
        }
        
        /* ==================== 下拉列表样式 ==================== */
        .address-dropdown {
            position: relative;
        }
        
        .dropdown-selected {
            width: 100%;
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            background: #f8f8f8;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }
        
        .dropdown-selected:hover {
            border-color: #2fa14b;
            background: #fff;
        }
        
        .dropdown-selected.active {
            border-color: #2fa14b;
            background: #fff;
        }
        
        .dropdown-arrow {
            color: #999;
            transition: transform 0.3s;
        }
        
        .dropdown-selected.active .dropdown-arrow {
            transform: rotate(180deg);
        }
        
        .dropdown-list {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            margin-top: 5px;
            max-height: 300px;
            overflow-y: auto;
            z-index: 10;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: none;
        }
        
        .dropdown-list.show {
            display: block;
        }
        
        .dropdown-item {
            padding: 15px;
            border-bottom: 1px solid #f0f0f0;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .dropdown-item:last-child {
            border-bottom: none;
        }
        
        .dropdown-item:hover {
            background: #f8f8f8;
        }
        
        .address-text {
            flex: 1;
            color: #333;
            font-size: 14px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-right: 10px;
        }
        
        .copy-btn {
            background: #2fa14b;
            color: #fff;
            border: none;
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s;
            flex-shrink: 0;
        }
        
        .copy-btn:hover {
            background: #27853f;
        }
        
        .copy-btn:active {
            transform: scale(0.95);
        }
        
        .forgot-password {
            text-align: right;
            margin-top: 10px;
        }
        
        .forgot-link {
            color: #2fa14b;
            text-decoration: none;
            font-size: 13px;
        }
        
        /* ==================== 银行卡样式 ==================== */
        .bank-card {
            background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
            border-radius: 15px;
            padding: 25px;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        
        .bank-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        
        .bank-logo {
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }
        
        .bank-logo i {
            font-size: 24px;
            color: #d4af37;
        }
        
        .bank-name {
            font-size: 14px;
            margin-bottom: 20px;
            opacity: 0.9;
        }
        
        .bank-number {
            font-size: 18px;
            letter-spacing: 2px;
            margin-bottom: 10px;
            font-family: monospace;
        }
        
        .card-status {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.3);
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 12px;
        }
        
        /* ==================== 交易记录 ==================== */
        .filter-bar {
            background: rgba(77, 213, 153, 0.1);
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .filter-icon {
            font-size: 20px;
            color: #fff;
        }
        
        .filter-select {
            padding: 8px 12px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.95);
            color: #333;
            cursor: pointer;
            outline: none;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .filter-select:hover {
            border-color: #4dd599;
            box-shadow: 0 2px 8px rgba(77, 213, 153, 0.2);
        }
        
        .filter-select:focus {
            border-color: #4dd599;
            box-shadow: 0 2px 12px rgba(77, 213, 153, 0.3);
        }
        
        .filter-text {
            font-size: 14px;
            color: #fff;
            font-weight: bold;
        }
        
        .filter-amount {
            margin-left: auto;
            font-size: 16px;
            font-weight: bold;
            color: #2fa14b;
        }
        
        .transaction-item {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }
        
        .transaction-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .transaction-type {
            background: #e3f2fd;
            color: #2196f3;
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 14px;
        }
        
        .transaction-date {
            font-size: 13px;
            color: #999;
        }
        
        .transaction-status {
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 13px;
            font-weight: bold;
        }
        
        .transaction-status.completed {
            background: #d4edda;
            color: #155724;
        }
        
        .transaction-status.pending {
            background: #fff3cd;
            color: #856404;
        }
        
        .transaction-status.rejected {
            background: #f8d7da;
            color: #721c24;
        }
        
        .transaction-status.cancelled {
            background: #e2e3e5;
            color: #383d41;
        }
        
        .transaction-detail {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 14px;
        }
        
        .detail-label {
            color: #666;
        }
        
        .detail-value {
            color: #333;
            font-weight: bold;
        }
        
        .amount-value {
            color: #2fa14b;
            font-size: 16px;
        }
        
        /* ==================== 空状态 ==================== */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: #999;
        }
        
        .empty-icon {
            font-size: 60px;
            margin-bottom: 20px;
            opacity: 0.5;
        }
        
        .empty-text {
            font-size: 16px;
        }
        
        /* ==================== 响应式设计 ==================== */
        @media (max-width: 768px) {
            .top-bar {
                padding: 12px 15px;
            }
            
            .user-info {
                padding: 8px 15px;
                margin: 0 10px;
            }
            
            .user-name {
                font-size: 14px;
            }
            
            .balance-amount {
                font-size: 14px;
            }
            
            .content {
                padding: 15px;
            }
            
            .chain-selector {
                gap: 8px;
            }
            
            .chain-btn {
                padding: 6px 15px;
                font-size: 13px;
                min-width: 70px;
            }
                
            /* 修复移动端下拉框显示位置 */
            .form-select {
                position: static !important;
                transform: none !important;
            }
                
            .form-group {
                position: static !important;
                overflow: visible !important;
            }
        }
        
        @media (min-width: 769px) {
            .content {
                max-width: 800px;
                margin: 0 auto;
            }
        }