/* Extracted from templates/purchase_light.html */

        :root {
            --primary: #F0B90B;
            --primary-hover: #D4A40A;
            --success: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --bg-dark: #fafafa;
            --bg-card: #ffffff;
            --bg-input: #f5f5f5;
            --text-primary: #1a1a1a;
            --text-secondary: #666666;
            --border: #e5e5e5;
            --shadow: rgba(0, 0, 0, 0.06);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            min-height: 100vh;
            line-height: 1.6;
        }

        /* 顶部导航 */
        .navbar {
            background: transparent;
            padding: 10px 0 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .navbar-topline {
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: 0;
            flex: 1 1 auto;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-primary);
            min-width: 0;
            flex: 1 1 auto;
        }

        .navbar-brand i {
            font-size: 28px;
            color: var(--primary);
        }

        .navbar-brand span {
            font-size: 20px;
            font-weight: 700;
        }

        .navbar-info {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 0 0 auto;
        }

        .network-badge {
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: #000;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .network-badge:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.4);
        }

        /* 网络选择器 */
        .network-selector {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .network-option {
            flex: 1;
            min-width: 120px;
            padding: 16px;
            background: var(--bg-input);
            border: 2px solid var(--border);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }

        .network-option:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .network-option.selected {
            border-color: var(--primary);
            background: rgba(240, 185, 11, 0.1);
        }

        .network-option .network-icon {
            font-size: 24px;
            margin-bottom: 8px;
        }

        .network-option .network-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .network-option .network-fee {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .network-option.bsc .network-icon { color: #F0B90B; }

        /* 主容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
        }

        /* 步骤指示器 */
        .steps {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            background: var(--bg-card);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .step {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 30px;
            position: relative;
        }

        .step:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -20px;
            width: 40px;
            height: 2px;
            background: var(--border);
        }

        .step.completed:not(:last-child)::after {
            background: var(--success);
        }

        .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-input);
            border: 2px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            transition: all 0.3s;
        }

        .step.active .step-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: #000;
            box-shadow: 0 0 20px rgba(240, 185, 11, 0.4);
        }

        .step.completed .step-icon {
            background: var(--success);
            border-color: var(--success);
            color: #fff;
        }

        .step-text {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .step.active .step-text,
        .step.completed .step-text {
            color: var(--text-primary);
        }

        /* 主内容区 */
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .steps {
                flex-wrap: wrap;
                gap: 16px;
            }
            .step {
                padding: 0 16px;
            }
            .step:not(:last-child)::after {
                display: none;
            }
        }

        /* 卡片 */
        .card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
        }

        .card-flow-focus {
            border-color: rgba(240, 185, 11, 0.72);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.16), 0 18px 34px rgba(15, 23, 42, 0.12);
            transition: box-shadow 0.28s ease, border-color 0.28s ease;
        }

        .card-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .card-header i {
            font-size: 20px;
            color: var(--primary);
        }

        .card-header h2 {
            font-size: 18px;
            font-weight: 600;
        }

        .card-body {
            padding: 24px;
        }

        /* 产品列表 */
        .product-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 20px;
        }

        .product-item {
            background: var(--bg-input);
            border: 2px solid transparent;
            border-radius: 12px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .product-item:hover {
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .product-item.selected {
            border-color: var(--primary);
            background: rgba(240, 185, 11, 0.08);
        }

        .product-item.selected::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: 50%;
            right: 16px;
            transform: translateY(-50%);
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            box-shadow: 0 2px 8px rgba(240, 185, 11, 0.4);
        }

        .product-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 8px;
            padding-right: 40px;
        }

        .product-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .product-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .product-price small {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .product-original-price {
            text-decoration: line-through;
            color: #999;
            font-size: 12px;
            margin-right: 4px;
        }

        .product-tag-highlight {
            background: linear-gradient(135deg, #F0B90B, #ffd700);
            color: #1E2329;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 10px;
            font-weight: 600;
            margin-right: 4px;
        }

        .product-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .product-tags {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .tag {
            background: var(--bg-dark);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* 按钮 */
        .btn {
            width: 100%;
            padding: 16px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: #000;
            font-weight: 600;
        }

        .btn-primary:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 185, 11, 0.4);
        }

        .btn-primary:disabled {
            background: var(--bg-input);
            color: var(--text-secondary);
            cursor: not-allowed;
        }

        .btn-success {
            background: linear-gradient(135deg, var(--success), #0AB871);
            color: #fff;
        }

        .btn-success:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 203, 129, 0.4);
        }

        .payment-flow-shell {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .payment-flow-intro {
            display: grid;
            grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.72fr);
            gap: 14px;
            align-items: stretch;
        }

        .payment-flow-copy {
            padding: 20px 22px;
            border-radius: 16px;
            border: 1px solid rgba(240, 185, 11, 0.28);
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.16), rgba(240, 185, 11, 0.04));
        }

        .payment-flow-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(30, 35, 41, 0.08);
            color: #6b4d00;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .payment-flow-title {
            margin-top: 12px;
            font-size: 22px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
        }

        .payment-flow-subtitle {
            margin-top: 8px;
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 48ch;
        }

        .payment-flow-countdown {
            margin-bottom: 0;
            min-height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border-radius: 16px;
            background: linear-gradient(180deg, rgba(246, 70, 93, 0.08), rgba(246, 70, 93, 0.14));
            border-color: rgba(246, 70, 93, 0.38);
        }

        .payment-flow-steps {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 10px;
        }

        .payment-flow-step-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            padding: 12px 14px;
            border-radius: 14px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.65);
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.45;
        }

        .payment-flow-step-chip.is-active {
            border-color: rgba(240, 185, 11, 0.5);
            background: rgba(240, 185, 11, 0.12);
            color: var(--text-primary);
        }

        .payment-flow-step-index {
            width: 24px;
            height: 24px;
            flex: 0 0 24px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(30, 35, 41, 0.12);
            color: var(--text-primary);
            font-size: 12px;
            font-weight: 700;
        }

        .payment-flow-panel {
            padding: 18px;
            border-radius: 16px;
            border: 1px solid var(--border);
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
            box-shadow: 0 14px 26px rgba(15, 23, 42, 0.06);
        }

        .payment-flow-panel--submit {
            border-color: rgba(16, 185, 129, 0.24);
            background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.02));
            box-shadow: 0 16px 32px rgba(16, 185, 129, 0.08);
        }

        .payment-panel-head {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 16px;
        }

        .payment-panel-kicker {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
        }

        .payment-flow-panel--submit .payment-panel-kicker {
            color: var(--success);
        }

        .payment-panel-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .payment-panel-desc {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            max-width: 54ch;
        }

        /* 订单信息 */
        .order-info {
            background: var(--bg-input);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
        }

        .payment-flow-shell .order-info {
            margin-bottom: 0;
            padding: 0;
            background: transparent;
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }

        .info-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .payment-flow-shell .info-row {
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            gap: 8px;
            padding: 14px 16px;
            border-bottom: none;
            border-radius: 14px;
            background: var(--bg-input);
            box-shadow: inset 0 0 0 1px var(--border);
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-label {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .info-value {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 14px;
            text-align: right;
            word-break: break-all;
            max-width: 60%;
        }

        .payment-flow-shell .info-value {
            max-width: 100%;
            font-size: 15px;
            text-align: left;
        }

        .info-value.highlight {
            color: var(--primary);
        }

        .payment-flow-shell .info-value.highlight {
            font-size: 20px;
            line-height: 1.2;
        }

        /* 倒计时 */
        .countdown {
            text-align: center;
            padding: 16px;
            background: rgba(246, 70, 93, 0.1);
            border: 1px solid var(--danger);
            border-radius: 8px;
            margin-bottom: 20px;
        }

        .countdown-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        .countdown-time {
            font-size: 28px;
            font-weight: 700;
            color: #1a1a1a;
            font-family: 'Courier New', monospace;
        }

        /* 二维码 */
        .qr-section {
            text-align: center;
            padding: 24px;
            background: linear-gradient(135deg, var(--bg-input) 0%, var(--bg-card) 100%);
            border-radius: 16px;
            margin-bottom: 20px;
            border: 1px solid var(--border);
        }

        .qr-wrapper {
            display: inline-block;
            padding: 16px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        #qrCode {
            width: 180px !important;
            height: 180px !important;
            overflow: hidden;
        }

        /* QRCode.js会同时生成canvas和img，只显示img */
        #qrCode canvas {
            display: none !important;
        }

        #qrCode img {
            display: block !important;
            width: 180px !important;
            height: 180px !important;
        }

        .qr-label {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .qr-amount {
            margin-top: 12px;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

        .qr-amount small {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 400;
            margin-left: 4px;
        }

        /* 提示框 */
        .alert {
            padding: 16px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            line-height: 1.6;
        }

        .alert-info {
            background: rgba(30, 144, 255, 0.1);
            border: 1px solid var(--info);
            color: var(--info);
        }

        .alert-success {
            background: rgba(14, 203, 129, 0.1);
            border: 1px solid var(--success);
            color: var(--success);
        }

        .alert-warning {
            background: rgba(240, 185, 11, 0.1);
            border: 1px solid var(--warning);
            color: var(--warning);
        }

        .alert i {
            margin-right: 8px;
        }

        /* 输入框 */
        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .form-group label i {
            margin-right: 6px;
            color: var(--primary);
        }

        .form-control {
            width: 100%;
            padding: 14px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.1);
        }

        .form-control::placeholder {
            color: var(--text-secondary);
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .form-hint.error {
            color: var(--danger);
        }

        .form-hint.success {
            color: var(--success);
        }

        .form-control.input-error {
            border-color: var(--danger);
        }

        .form-control.input-success {
            border-color: var(--success);
        }

        .form-hint a {
            color: var(--primary);
            text-decoration: none;
        }

        /* 激活码显示 */
        .activation-result {
            text-align: center;
            padding: 30px;
        }

        .activation-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--success), #0AB871);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .activation-icon i {
            font-size: 36px;
            color: #fff;
        }

        .activation-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--success);
        }

        .activation-subtitle {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .activation-code-box {
            background: var(--bg-input);
            border: 2px dashed var(--primary);
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 20px;
        }

        .activation-code-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .activation-code-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 2px;
            font-family: 'Courier New', monospace;
            word-break: break-all;
        }

        .copy-btn {
            background: var(--primary);
            color: #000;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 16px;
        }

        .copy-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
        }

        /* 隐藏 */
        .hidden {
            display: none !important;
        }

        /* 加载动画 */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid transparent;
            border-top-color: currentColor;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-secondary);
        }

        .empty-state i {
            font-size: 48px;
            margin-bottom: 16px;
            opacity: 0.5;
        }

        /* 地址复制按钮 */
        .address-copy {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-dark);
            padding: 12px 16px;
            border-radius: 8px;
            margin-top: 12px;
        }

        .payment-flow-panel .qr-section {
            margin-bottom: 16px;
        }

        .payment-flow-panel .address-copy {
            margin-top: 0;
            border-radius: 12px;
            padding: 10px 12px;
        }

        .address-copy input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            font-family: 'Courier New', monospace;
        }

        .address-copy button {
            background: var(--primary);
            color: #000;
            border: none;
            padding: 8px 12px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
        }

        .address-copy button:hover {
            background: var(--primary-hover);
        }

        .payment-flow-panel .alert-spaced-top {
            margin-top: 16px;
            margin-bottom: 0;
        }

        .payment-flow-panel .alert strong {
            margin-right: 4px;
        }

        /* 自定义对话框（用于“取消订单”等确认提示） */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /* 需要高于 toast(10000) / 退款弹窗(10000) 等遮罩层 */
            z-index: 10002;
            display: flex;
            align-items: center;
            justify-content: center;
            visibility: visible;
            opacity: 1;
            pointer-events: auto;
        }

        .modal.hidden {
            display: flex !important;
            visibility: hidden;
            opacity: 0;
            pointer-events: none;
        }

        /* 仅作用于 .modal 内部的遮罩，避免与页面其它 .modal-overlay（退款/订单查询）样式冲突 */
        .modal .modal-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 0;
            transform: translateZ(0);
        }

        .modal .modal-content {
            position: relative;
            z-index: 1;
            pointer-events: auto;

            background: var(--bg-card);
            border-radius: 16px;
            padding: 32px;
            max-width: 400px;
            width: 90%;
            text-align: center;
            transform: translateZ(0);
            border: 1px solid var(--border);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            animation: modalIn 0.2s ease-out;
        }

        @keyframes modalIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .modal-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .modal-icon i {
            font-size: 28px;
        }

        .modal-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .modal-message {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .modal-buttons {
            display: flex;
            gap: 12px;
        }

        .modal-btn {
            flex: 1;
            padding: 14px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            border: none;
        }

        .modal-btn-cancel {
            background: var(--bg-tertiary, #2B3139);
            color: #EAECEF;
            border: 1px solid var(--border-color, #2B3139);
            border-radius: 12px;
        }

        .modal-btn-cancel:hover {
            background: var(--bg-hover, #3C4451);
            border-color: var(--primary, #F0B90B);
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.3);
        }

        .modal-btn-confirm {
            background: var(--danger);
            color: #fff;
        }

        .modal-btn-confirm:hover {
            background: #d93a4a;
            transform: translateY(-1px);
        }

        /* ============================================================================
           骨架屏样式
           ============================================================================ */
        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: skeleton-loading 1.5s infinite;
            border-radius: 8px;
        }

        @keyframes skeleton-loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        .skeleton-product {
            background: var(--bg-input);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .skeleton-product .skeleton-left {
            flex: 1;
        }

        .skeleton-product .skeleton-title {
            height: 20px;
            width: 120px;
            margin-bottom: 8px;
        }

        .skeleton-product .skeleton-desc {
            height: 14px;
            width: 180px;
            margin-bottom: 8px;
        }

        .skeleton-product .skeleton-tags {
            height: 24px;
            width: 140px;
        }

        .skeleton-product .skeleton-price {
            height: 28px;
            width: 80px;
        }

        /* ============================================================================
           Toast 通知样式
           ============================================================================ */
        .toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 10000;
            display: flex;
            flex-direction: column;
            gap: 10px;
            pointer-events: none;
        }

        .toast {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 16px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            min-width: 320px;
            max-width: 420px;
            pointer-events: auto;
            animation: toast-in 0.3s ease-out;
            border-left: 4px solid var(--primary);
            position: relative;
            overflow: hidden;
        }

        .toast.toast-out {
            animation: toast-out 0.3s ease-in forwards;
        }

        @keyframes toast-in {
            from {
                opacity: 0;
                transform: translateX(100%);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes toast-out {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(100%);
            }
        }

        .toast-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .toast.success { border-left-color: var(--success); }
        .toast.success .toast-icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }

        .toast.error { border-left-color: var(--danger); }
        .toast.error .toast-icon { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

        .toast.warning { border-left-color: var(--warning); }
        .toast.warning .toast-icon { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

        .toast.info { border-left-color: var(--info); }
        .toast.info .toast-icon { background: rgba(59, 130, 246, 0.1); color: var(--info); }

        .toast-content {
            flex: 1;
        }

        .toast-title {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .toast-message {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .toast-close {
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px;
            font-size: 14px;
            opacity: 0.6;
            transition: opacity 0.2s;
        }

        .toast-close:hover {
            opacity: 1;
        }

        .toast-progress {
            position: absolute;
            bottom: 0;
            left: 0;
            height: 3px;
            background: var(--primary);
            animation: toast-progress linear forwards;
        }

        @keyframes toast-progress {
            from { width: 100%; }
            to { width: 0%; }
        }

        /* ============================================================================
           复制成功动画
           ============================================================================ */
        .copy-btn {
            position: relative;
        }

        .copy-btn .copy-feedback {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--success);
            color: #fff;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            opacity: 0;
            pointer-events: none;
            white-space: nowrap;
            transition: opacity 0.2s;
        }

        .copy-btn.copied .copy-feedback {
            opacity: 1;
            animation: copy-pop 0.3s ease-out;
        }

        @keyframes copy-pop {
            0% { transform: translate(-50%, -50%) scale(0.8); }
            50% { transform: translate(-50%, -50%) scale(1.1); }
            100% { transform: translate(-50%, -50%) scale(1); }
        }

        .copy-btn.copied i {
            color: var(--success);
        }

        /* ============================================================================
           按钮防抖状态
           ============================================================================ */
        .btn-cooldown {
            position: relative;
            overflow: hidden;
        }

        .btn-cooldown::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            height: 100%;
            background: rgba(0, 0, 0, 0.1);
            animation: cooldown-progress linear forwards;
        }

        @keyframes cooldown-progress {
            from { width: 100%; }
            to { width: 0%; }
        }

        .btn-cooldown .cooldown-text {
            margin-left: 8px;
            font-size: 12px;
            opacity: 0.8;
        }

        /* ============================================================================
           数字滚动动画
           ============================================================================ */
        .countup {
            display: inline-block;
            font-variant-numeric: tabular-nums;
        }

        /* ============================================================================
           FAQ 折叠面板
           ============================================================================ */
        .faq-section {
            max-width: 800px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .faq-title {
            text-align: center;
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
        }

        .faq-question:hover {
            background: var(--bg-input);
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 20px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        /* ============================================================================
           在线客服悬浮窗（智能客服+转人工）
           ============================================================================ */
        #chat-widget { position: fixed; bottom: 30px; right: 30px; z-index: 9999; }
        #chat-toggle { width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, #F0B90B 0%, #FCD535 100%); display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 20px rgba(240, 185, 11, 0.4); transition: all 0.3s ease; position: relative; }
        #chat-toggle:hover { transform: scale(1.1); }
        #chat-toggle svg { color: #1E2329; }
        #chat-badge { position: absolute; top: -5px; right: -5px; background: #f44336; color: white; font-size: 12px; min-width: 20px; height: 20px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: bold; }
        #chat-window { position: absolute; bottom: 80px; right: 0; width: 380px; height: 500px; background: var(--bg-card); border-radius: 16px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3); display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--border); }
        #chat-header { background: linear-gradient(135deg, #F0B90B 0%, #FCD535 100%); color: #1E2329; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; font-weight: 600; }
        #chat-header svg { flex-shrink: 0; }
        #chat-close-btn { background: none; border: none; color: #1E2329; cursor: pointer; padding: 8px; margin: -8px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background 0.2s; }
        #chat-close-btn:hover { background: rgba(0,0,0,0.1); }
        #chat-messages { flex: 1; overflow-y: auto; padding: 16px; background: var(--bg-dark); -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
        #chat-messages::-webkit-scrollbar { width: 6px; }
        #chat-messages::-webkit-scrollbar-track { background: transparent; }
        #chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }
        .chat-welcome { text-align: center; padding: 20px; color: var(--text-secondary); }
        .chat-welcome svg { margin-bottom: 16px; }
        .chat-welcome h3 { margin: 0 0 8px 0; color: var(--text-primary); }
        #chat-quick-questions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; justify-content: center; }
        .quick-btn { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 8px 16px; font-size: 13px; color: var(--text-primary); cursor: pointer; transition: all 0.2s; -webkit-tap-highlight-color: transparent; }
        .quick-btn:hover { background: #F0B90B; color: #1E2329; border-color: #F0B90B; }
        .quick-btn:active { transform: scale(0.95); }
        .chat-message { margin-bottom: 12px; display: flex; flex-direction: column; animation: msgFadeIn 0.3s ease; }
        @keyframes msgFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .chat-message.user { align-items: flex-end; }
        .chat-message.staff { align-items: flex-start; }
        .chat-bubble { max-width: 80%; padding: 12px 16px; border-radius: 16px; font-size: 14px; line-height: 1.5; word-break: break-word; }
        .chat-message.user .chat-bubble { background: linear-gradient(135deg, #F0B90B 0%, #FCD535 100%); color: #1E2329; border-bottom-right-radius: 4px; }
        .chat-message.staff .chat-bubble { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
        .chat-time { font-size: 11px; color: var(--text-secondary); margin-top: 4px; padding: 0 8px; }
        #chat-input-area { display: flex; padding: 12px 16px; background: var(--bg-card); border-top: 1px solid var(--border); gap: 10px; }
        #chat-input { flex: 1; border: 1px solid var(--border); border-radius: 24px; padding: 12px 20px; font-size: 16px; outline: none; background: var(--bg-dark); color: var(--text-primary); -webkit-appearance: none; }
        #chat-input:focus { border-color: #F0B90B; }
        #chat-send-btn { width: 44px; height: 44px; min-width: 44px; border-radius: 50%; border: none; background: linear-gradient(135deg, #F0B90B 0%, #FCD535 100%); color: #1E2329; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: transform 0.2s; -webkit-tap-highlight-color: transparent; }
        #chat-send-btn:active { transform: scale(0.9); }
        #chat-send-btn svg { color: #1E2329; }
        
        @media (max-width: 768px) {
            #chat-widget { bottom: 20px; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }
            #chat-toggle { width: 54px; height: 54px; }
            #chat-toggle svg { width: 24px; height: 24px; }
            #chat-window { 
                position: fixed; 
                top: 0; left: 0; right: 0; bottom: 0; 
                width: 100%; height: 100%; 
                border-radius: 0; 
                animation: chatSlideUp 0.3s ease-out;
            }
            @keyframes chatSlideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
            #chat-header { 
                padding: 16px 20px; 
                padding-top: calc(16px + env(safe-area-inset-top, 0px)); 
            }
            #chat-close-btn { padding: 12px; margin: -12px; min-width: 44px; min-height: 44px; }
            #chat-messages { padding: 16px; padding-bottom: 16px; }
            .chat-bubble { max-width: 85%; }
            #chat-input-area { 
                padding: 12px 16px; 
                padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); 
            }
            #chat-input { padding: 14px 20px; }
            .quick-btn { padding: 10px 16px; font-size: 14px; }
        }
        
        @media (max-width: 380px) {
            #chat-quick-questions { flex-direction: column; align-items: center; }
            .quick-btn { width: 100%; max-width: 200px; text-align: center; }
        }

        @media (max-width: 768px) {
            .payment-flow-shell {
                gap: 14px;
            }

            .payment-flow-intro {
                grid-template-columns: 1fr;
            }

            .payment-flow-copy,
            .payment-flow-countdown,
            .payment-flow-panel {
                padding: 16px 18px;
            }

            .payment-flow-steps {
                gap: 8px;
            }

            .payment-flow-step-chip {
                padding: 10px 12px;
            }

            .payment-flow-shell .order-info {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .payment-flow-shell .info-row:nth-child(3) {
                grid-column: 1 / -1;
            }

            .payment-panel-title {
                font-size: 16px;
            }

            .payment-panel-desc {
                font-size: 12px;
            }

            .payment-flow-panel .qr-section {
                padding: 18px;
            }

            .payment-flow-panel .address-copy {
                padding: 10px 12px;
            }
        }

        /* ============================================================================
           移动端深度适配
           ============================================================================ */
        @media (max-width: 640px) {
            body.mobile-action-bar-active {
                padding-bottom: calc(108px + env(safe-area-inset-bottom, 0px));
            }

            /* 导航栏 */
            .navbar {
                padding: 12px 0 16px;
                flex-wrap: wrap;
                align-items: flex-start;
                gap: 12px;
            }
            .navbar-topline {
                width: 100%;
                gap: 8px;
                align-items: center;
            }
            .navbar-brand {
                width: auto;
                gap: 10px;
            }
            .navbar-brand span {
                font-size: 14px;
            }
            .navbar-brand-title {
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }
            .navbar-info {
                width: 100%;
                gap: 8px;
                justify-content: stretch;
            }
            .lang-toggle {
                flex: 0 0 auto;
                padding: 8px 12px;
                min-height: 40px;
            }
            .network-badge {
                flex: 1 1 auto;
                min-width: 0;
                justify-content: center;
                padding: 8px 12px;
                font-size: 12px;
                min-height: 40px;
            }
            #walletStatus {
                max-width: 120px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            /* 容器 */
            .container {
                padding: 16px 12px;
            }

            .official-warning {
                padding: 14px 16px;
                margin-bottom: 18px;
            }
            .official-warning-text {
                font-size: 13px;
                line-height: 1.5;
            }
            .official-warning-icon {
                margin-right: 8px;
            }

            /* 步骤条 */
            .steps {
                display: grid;
                grid-template-columns: repeat(4, minmax(0, 1fr));
                padding: 14px 12px;
                gap: 8px;
                margin-bottom: 24px;
            }
            .step {
                min-width: 0;
                padding: 0;
                gap: 8px;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                text-align: center;
            }
            .step-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .step-text {
                font-size: 11px;
                line-height: 1.25;
                min-height: 28px;
            }

            /* 主网格 */
            .main-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            /* 卡片 */
            .card {
                border-radius: 12px;
            }
            .card-flow-focus {
                box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.14), 0 16px 28px rgba(15, 23, 42, 0.12);
            }
            .card-header {
                padding: 14px 16px;
            }
            .card-header h2 {
                font-size: 15px;
            }
            .card-body {
                padding: 16px;
            }

            .payment-flow-shell {
                gap: 12px;
            }
            .payment-flow-copy,
            .payment-flow-countdown,
            .payment-flow-panel {
                padding: 14px;
                border-radius: 14px;
            }
            .payment-flow-badge {
                font-size: 10px;
                padding: 5px 9px;
            }
            .payment-flow-title {
                margin-top: 10px;
                font-size: 17px;
            }
            .payment-flow-subtitle {
                margin-top: 6px;
                font-size: 12px;
                line-height: 1.5;
            }
            .payment-flow-steps {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 8px;
            }
            .payment-flow-step-chip {
                padding: 9px 10px;
                gap: 8px;
                border-radius: 12px;
                font-size: 12px;
            }
            .payment-flow-step-chip:last-child {
                grid-column: 1 / -1;
            }
            .payment-flow-step-index {
                width: 22px;
                height: 22px;
                flex-basis: 22px;
                font-size: 11px;
            }
            .payment-flow-shell .order-info {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .payment-flow-shell .info-row:nth-child(3) {
                grid-column: auto;
            }
            .payment-flow-shell .info-row {
                padding: 12px 13px;
                gap: 6px;
                border-radius: 12px;
            }
            .payment-flow-shell .info-label {
                font-size: 11px;
            }
            .payment-flow-shell .info-value {
                font-size: 14px;
            }
            .payment-flow-shell .info-value.highlight {
                font-size: 18px;
            }
            .payment-flow-countdown .countdown-label {
                font-size: 12px;
            }
            .payment-flow-countdown .countdown-time {
                font-size: 24px;
            }
            .payment-panel-head {
                margin-bottom: 12px;
            }
            .payment-panel-title {
                font-size: 15px;
            }
            .payment-panel-desc {
                font-size: 12px;
                line-height: 1.5;
            }

            /* 产品列表 */
            .product-item {
                padding: 14px;
            }
            .product-header {
                flex-wrap: wrap;
                gap: 8px 12px;
                padding-right: 34px;
            }
            .product-name {
                font-size: 14px;
            }
            .product-price {
                font-size: 18px;
            }
            .product-tags {
                flex-wrap: wrap;
            }
            .tag {
                font-size: 11px;
                padding: 4px 8px;
            }

            /* 表单 */
            .form-label-row {
                flex-wrap: wrap;
            }
            .contact-selector {
                display: grid;
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            .contact-option {
                justify-content: center;
            }
            .form-control {
                padding: 12px;
                font-size: 14px;
            }

            /* 按钮 */
            .btn {
                padding: 14px 20px;
                font-size: 14px;
            }
            .payment-flow-panel .alert {
                padding: 12px 14px;
                font-size: 13px;
                line-height: 1.5;
            }

            /* 二维码区域 */
            .qr-section {
                padding: 16px;
            }
            .qr-wrapper {
                padding: 12px;
            }
            #qrCode {
                width: 160px !important;
                height: 160px !important;
            }
            #qrCode canvas, #qrCode img {
                width: 160px !important;
                height: 160px !important;
            }

            /* 订单信息 */
            .order-info {
                padding: 12px;
            }
            .info-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .info-value {
                max-width: 100%;
                text-align: left;
            }
            .address-copy {
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
            }
            .address-copy input {
                width: 100%;
            }
            .address-copy button {
                width: 100%;
                padding: 12px 14px;
            }
            .wallet-input-row {
                flex-direction: column;
            }
            .wallet-connect-btn {
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
            }
            .payment-flow-panel--submit .form-group {
                margin-bottom: 12px;
            }
            .payment-flow-panel--submit .form-group label {
                font-size: 12px;
            }
            .payment-flow-panel--submit .form-control {
                padding: 11px 12px;
                font-size: 13px;
            }
            .payment-flow-panel--submit .form-hint {
                font-size: 11px;
            }
            .txhash-textarea {
                min-height: 72px;
                font-size: 12px;
            }
            .payment-actions-row {
                flex-direction: column;
                gap: 10px;
            }
            .submit-payment-btn,
            .cancel-order-btn {
                width: 100%;
            }
            .cancel-order-btn {
                justify-content: center;
                padding: 14px 20px;
            }

            /* FAQ */
            .faq-section {
                margin: 24px auto;
                padding: 0 12px;
            }
            .faq-title {
                font-size: 18px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            /* Toast */
            .toast-container {
                left: 12px;
                right: 12px;
                max-width: none;
            }
            .toast {
                padding: 12px;
            }
            .toast-title {
                font-size: 13px;
            }
            .toast-message {
                font-size: 12px;
            }

            /* 激活码结果 */
            .activation-code-value {
                font-size: 16px;
                word-break: break-all;
            }
            .activation-title {
                font-size: 22px;
            }

            /* 模态框 */
            .modal-content {
                margin: 16px;
                max-height: calc(100vh - 32px);
            }
            .modal-header {
                padding: 14px 16px;
            }
            .modal-body {
                padding: 16px;
            }
            .order-history-modal,
            .refund-modal {
                padding: 0;
                align-items: flex-end;
            }
            .order-history-container,
            .refund-modal .modal-container {
                width: 100%;
                max-width: none;
                max-height: 92vh;
                margin-top: auto;
                border-radius: 20px 20px 0 0;
            }
            .order-history-container {
                overflow-y: auto;
            }
            .order-history-header,
            .order-history-body {
                padding-left: 16px;
                padding-right: 16px;
            }
            .order-history-header-row {
                align-items: flex-start;
                gap: 12px;
            }
            .history-contact-tabs {
                gap: 6px;
            }
            .history-contact-type {
                padding: 12px 8px;
            }
            .history-contact-icon {
                font-size: 18px;
                margin-bottom: 4px;
            }
            .history-contact-label {
                font-size: 12px;
            }
            .history-result-head {
                gap: 8px;
                flex-wrap: wrap;
                padding: 14px 16px;
            }
            .history-order-list {
                max-height: min(36vh, 320px);
                padding: 12px;
            }
            .order-actions-section {
                margin-top: 20px;
                margin-bottom: 32px;
                padding: 0 12px;
            }
            .order-action-card {
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .order-action-card .action-content {
                min-width: 0;
            }
            .order-action-card .action-title {
                font-size: 14px;
            }
            .order-action-card .action-desc {
                font-size: 12px;
                line-height: 1.45;
            }
            .order-action-card .action-arrow {
                margin-top: 2px;
            }
            .mobile-action-bar {
                display: block;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 9990;
                padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
                background: linear-gradient(180deg, rgba(250, 250, 250, 0.08) 0%, rgba(250, 250, 250, 0.96) 18%, #fafafa 100%);
                backdrop-filter: blur(16px);
                border-top: 1px solid rgba(15, 23, 42, 0.08);
                box-shadow: 0 -12px 28px rgba(15, 23, 42, 0.08);
            }
            .mobile-action-bar__inner {
                max-width: 460px;
                margin: 0 auto;
                display: flex;
                flex-direction: column;
                gap: 8px;
            }
            .mobile-action-bar__hint {
                font-size: 12px;
                line-height: 1.45;
                color: var(--text-secondary);
                text-align: center;
            }
            .mobile-primary-action-btn {
                min-height: 52px;
                border-radius: 14px;
                box-shadow: 0 12px 24px rgba(240, 185, 11, 0.22);
            }
            .mobile-action-bar[data-state='submit'] .mobile-primary-action-btn {
                background: linear-gradient(135deg, var(--success), #0AB871);
                color: #fff;
                box-shadow: 0 12px 24px rgba(16, 185, 129, 0.2);
            }
            .mobile-action-bar[data-state='submit'] .mobile-action-bar__hint {
                color: rgba(16, 185, 129, 0.92);
            }
            .mobile-action-bar[data-state='result'] .mobile-primary-action-btn {
                background: linear-gradient(135deg, #f0b90b, #ffd54f);
                color: #1E2329;
                box-shadow: 0 12px 24px rgba(240, 185, 11, 0.24);
            }
            .mobile-action-bar[data-state='result'] .mobile-action-bar__hint {
                color: var(--success);
            }
            .mobile-primary-action-btn:disabled {
                box-shadow: none;
            }
            body.mobile-action-bar-active #chat-widget {
                bottom: calc(94px + env(safe-area-inset-bottom, 0px));
            }
        }

        /* 超小屏幕 */
        @media (max-width: 380px) {
            .navbar-brand img {
                width: 32px;
                height: 32px;
            }
            .lang-toggle {
                padding: 8px 10px;
            }
            .navbar-brand span {
                font-size: 12px;
            }
            .payment-flow-copy,
            .payment-flow-countdown,
            .payment-flow-panel {
                padding: 12px;
            }
            .payment-flow-title {
                font-size: 15px;
            }
            .payment-flow-subtitle,
            .payment-panel-desc {
                font-size: 11px;
            }
            .payment-flow-steps {
                grid-template-columns: 1fr;
            }
            .payment-flow-step-chip:last-child {
                grid-column: auto;
            }
            .payment-flow-step-chip {
                padding: 8px 10px;
            }
            .payment-flow-shell .info-row {
                padding: 10px 11px;
            }
            .payment-flow-countdown .countdown-time {
                font-size: 21px;
            }
            .payment-panel-title {
                font-size: 14px;
            }
            #walletStatus {
                max-width: 92px;
            }
            .steps {
                gap: 6px;
            }
            .step-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .step-text {
                display: none;
            }
            .product-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            #qrCode {
                width: 144px !important;
                height: 144px !important;
            }
            #qrCode canvas,
            #qrCode img {
                width: 144px !important;
                height: 144px !important;
            }
            .payment-flow-panel .address-copy {
                padding: 10px;
            }
            .payment-flow-panel .address-copy button {
                padding: 10px 12px;
            }
        }

        /* iOS 安全区适配 */
        @supports (padding-bottom: env(safe-area-inset-bottom)) {
            .customer-service-float {
                bottom: calc(20px + env(safe-area-inset-bottom));
            }
            .faq-section {
                padding-bottom: env(safe-area-inset-bottom);
            }
        }

        /* 触摸优化 */
        @media (hover: none) and (pointer: coarse) {
            .product-item:active {
                transform: scale(0.98);
            }
            .btn:active {
                transform: scale(0.97);
            }
            .faq-question:active {
                background: var(--bg-input);
            }
            .cs-contact-item:active {
                background: rgba(240, 185, 11, 0.15);
            }
        }

        /* 订单/退款操作卡片区域 */
        .order-actions-section {
            max-width: 800px;
            margin: 24px auto 40px;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .order-action-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-card);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .order-action-card:hover {
            border-color: var(--primary);
            background: rgba(240, 185, 11, 0.03);
        }
        .order-action-card .action-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(240, 185, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .order-action-card .action-icon i {
            font-size: 18px;
            color: var(--primary);
        }
        .order-action-card .action-content {
            flex: 1;
        }
        .order-action-card .action-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .order-action-card .action-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .order-action-card .action-arrow {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .order-action-card.refund {
            border-color: rgba(239, 68, 68, 0.2);
        }
        .order-action-card.refund:hover {
            border-color: rgba(239, 68, 68, 0.5);
            background: rgba(239, 68, 68, 0.03);
        }
        .order-action-card.refund .action-icon {
            background: rgba(239, 68, 68, 0.1);
        }
        .order-action-card.refund .action-icon i {
            color: var(--danger);
        }

        .mobile-action-bar {
            display: none;
        }

        /* 对话框样式 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            padding: 20px;
        }
        .modal-container {
            background: #ffffff;
            border-radius: 16px;
            width: 100%;
            max-width: 480px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            border: 1px solid var(--border);
        }
        .modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
        }
        .modal-header h3 {
            margin: 0;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .modal-header h3 i {
            color: var(--primary);
        }
        .modal-close {
            width: 32px;
            height: 32px;
            border: none;
            background: rgba(0, 0, 0, 0.12);
            border-radius: 50%;
            color: #1E2329;
            font-size: 20px;
            line-height: 1;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }
        .modal-close i {
            font-size: 16px;
            line-height: 1;
        }
        .modal-close:hover {
            background: rgba(0, 0, 0, 0.2);
            color: #1E2329;
            transform: rotate(90deg);
        }
        .modal-body {
            padding: 24px;
        }
        .modal-body h4 {
            margin: 0 0 16px 0;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .modal-body h4 i {
            color: var(--primary);
        }
        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .form-group input,
        .form-group textarea {
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .modal-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border: none;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .modal-btn.primary {
            background: var(--primary);
            color: #000;
        }
        .modal-btn.primary:hover {
            background: var(--primary-hover);
        }
        .modal-btn.secondary {
            background: var(--bg-tertiary, #2B3139);
            color: #EAECEF;
            border: 1px solid var(--border-color, #2B3139);
            border-radius: 12px;
        }
        .modal-btn.secondary:hover {
            background: var(--bg-hover, #3C4451);
            border-color: var(--primary, #F0B90B);
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.3);
        }
        .modal-btn.danger {
            background: var(--danger);
            color: white;
        }
        .modal-btn.danger:hover {
            background: #DC2626;
        }
        .result-divider {
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }
        .order-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 16px;
        }
        .detail-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .detail-item.full-width {
            grid-column: 1 / -1;
        }
        .detail-item .label {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .detail-item .value {
            font-size: 14px;
            color: var(--text-primary);
            word-break: break-all;
        }
        .detail-item .value.highlight {
            color: var(--success);
            font-weight: 600;
        }
        .detail-item .value.mono {
            font-family: 'SF Mono', Monaco, monospace;
            font-size: 13px;
        }
        .order-detail-actions {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }
        .order-detail-actions .modal-btn {
            flex: 1;
        }
        .refund-notice {
            display: flex;
            gap: 12px;
            padding: 14px 16px;
            background: rgba(240, 185, 11, 0.1);
            border: 1px solid rgba(240, 185, 11, 0.3);
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .refund-notice i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 2px;
        }
        .refund-notice strong {
            display: block;
            font-size: 14px;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .refund-notice p {
            margin: 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .refund-actions {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        .refund-actions .modal-btn {
            flex: 1;
        }
        .refund-status-display {
            padding: 16px;
            border-radius: 10px;
            text-align: center;
        }
        .refund-status-display.pending {
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .refund-status-display.approved {
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .refund-status-display.rejected {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .refund-status-display.completed {
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid rgba(59, 130, 246, 0.3);
        }
        .refund-status-display .status-icon {
            font-size: 36px;
            margin-bottom: 12px;
        }
        .refund-status-display .status-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .refund-status-display .status-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .refund-status-display .status-desc-refund-no {
            font-weight: 600;
            color: var(--primary);
        }

        .refund-status-display .status-desc-order-id {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .refund-status-display .status-desc-reject-reason {
            color: #EF4444;
        }

        .refund-status-action-wrap {
            margin-top: 16px;
        }

        .refund-status-action-btn {
            width: 100%;
        }

        .refund-status-display .refund-apply-info {
            margin-top: 12px;
            padding: 10px;
            background: var(--bg-input);
            border-radius: 8px;
        }

        .refund-apply-info-row {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .refund-apply-info-icon {
            color: var(--primary);
            margin-right: 6px;
        }

        .refund-apply-count {
            color: var(--primary);
        }

        .refund-apply-exhausted {
            margin-top: 16px;
            text-align: center;
            color: var(--danger);
            font-size: 13px;
        }

        .refund-status-display .status-txhash {
            margin-top: 12px;
            padding: 10px;
            background: var(--bg-input);
            border-radius: 8px;
            font-size: 12px;
            font-family: monospace;
            word-break: break-all;
            color: var(--text-primary);
        }

        @media (max-width: 480px) {
            .order-actions-section {
                padding: 0 16px;
            }
            .order-action-card {
                padding: 14px 16px;
            }
            .order-action-card .action-icon {
                width: 40px;
                height: 40px;
            }
            .modal-container {
                max-height: 85vh;
            }
            .modal-body {
                padding: 20px 16px;
            }
            .order-detail-grid {
                grid-template-columns: 1fr;
            }
        }

/* Footer/details tweaks */
        details summary::-webkit-details-marker { display: none; }
        details[open] summary .fa-chevron-down { transform: rotate(180deg); }

/* P0 extracted inline-style replacements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.navbar-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.navbar-brand-title {
    display: block;
    min-width: 0;
}

.lang-toggle {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-toggle-icon {
    color: var(--primary);
}

.lang-toggle:focus-visible,
.network-badge:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.official-warning {
    background: linear-gradient(135deg, rgba(246, 70, 93, 0.15) 0%, rgba(246, 70, 93, 0.08) 100%);
    border: 1px solid rgba(246, 70, 93, 0.4);
    border-radius: 12px;
    padding: 16px 24px;
    margin-bottom: 24px;
    text-align: center;
}

.official-warning-text {
    color: #ff6b6b;
    font-weight: 600;
    font-size: 15px;
    margin: 0;
}

.official-warning-icon {
    margin-right: 10px;
}

.card-spaced {
    margin-bottom: 24px;
}

.form-section {
    margin-top: 16px;
}

#orderSection,
#resultSection {
    scroll-margin-top: 18px;
}

.form-section-top-border {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-label-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-label-row-large-gap {
    margin-bottom: 12px;
}

.form-label-icon {
    color: var(--primary);
}

.text-danger {
    color: var(--danger);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-secondary {
    color: var(--text-secondary);
}

.form-note {
    font-size: 12px;
    color: var(--text-secondary);
}

.form-note-spaced {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.contact-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.contact-option {
    flex: 1;
    padding: 10px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s;
}

.contact-option.selected {
    border-color: var(--primary);
}

.form-control-compact {
    width: 100%;
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
}

.input-with-status {
    position: relative;
}

.input-with-status-control {
    padding-right: 40px;
}

.username-status {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.price-preview {
    margin-top: 20px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.1), rgba(240, 185, 11, 0.05));
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(240, 185, 11, 0.2);
}

.price-preview-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.price-preview-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.price-preview-unit {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
}

.create-order-btn {
    margin-top: 16px;
}

.legal-consent {
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
    text-align: center;
}

.legal-consent-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.legal-consent-link:hover,
.footer-legal-link:hover {
    text-decoration: underline;
}

.order-history-link-wrap {
    text-align: center;
    margin-top: 16px;
}

.order-history-link {
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
}

.alert-spaced-top {
    margin-top: 20px;
}

.quick-pay-section {
    margin-top: 20px;
}

.quick-pay-btn {
    min-height: 52px;
    margin-bottom: 16px;
    opacity: 0.6;
    box-shadow: 0 10px 22px rgba(240, 185, 11, 0.16);
}

.quick-pay-btn-ready {
    opacity: 1;
}

.quick-pay-hint {
    text-align: center;
    margin-bottom: 16px;
}

.payment-flow-panel .quick-pay-hint {
    margin-bottom: 0;
}

.manual-transfer-section {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: 10px;
}

.payment-flow-panel--submit .manual-transfer-section {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.manual-transfer-title {
    text-align: left;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.wallet-input-row {
    display: flex;
    gap: 8px;
}

.wallet-input-field {
    flex: 1;
    font-family: "Courier New", monospace;
}

.wallet-connect-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--primary);
    color: #000;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
}

.payment-flow-panel--submit .form-group {
    margin-bottom: 14px;
}

.payment-flow-panel--submit .form-group:last-child {
    margin-bottom: 0;
}

.payment-flow-panel--submit .form-group label {
    font-size: 13px;
    margin-bottom: 7px;
}

.payment-flow-panel--submit .form-control {
    padding: 13px 14px;
    border-radius: 12px;
}

.payment-flow-panel--submit .form-hint {
    line-height: 1.5;
}

.wallet-connect-btn.wallet-connected {
    background: linear-gradient(135deg, var(--success), #0AB871);
}

.inline-validation {
    margin-top: 6px;
    font-size: 12px;
    display: none;
}

.txhash-textarea {
    resize: none;
    font-family: "Courier New", monospace;
    font-size: 13px;
    line-height: 1.5;
    min-height: 78px;
}

.payment-actions-row {
    display: flex;
    gap: 12px;
    flex-direction: row;
    align-items: stretch;
}

.submit-payment-btn {
    flex: 1;
    flex-direction: row;
    min-height: 52px;
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.18);
}

.cancel-order-btn {
    background: rgba(246, 70, 93, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
    width: auto;
    flex-direction: row;
    min-height: 52px;
    padding: 16px 20px;
}

.order-history-modal {
    display: none;
}

.order-history-container {
    max-width: 520px;
    width: 95%;
    text-align: left;
    padding: 0;
    overflow: hidden;
}

.order-history-header {
    background: linear-gradient(135deg, rgba(240, 185, 11, 0.15), rgba(240, 185, 11, 0.05));
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.order-history-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.order-history-header-main {
    display: flex;
    align-items: center;
    gap: 14px;
}

.order-history-icon-wrap {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.order-history-icon {
    color: #000;
    font-size: 18px;
}

.order-query-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.order-query-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.order-history-body {
    padding: 24px;
}

.history-contact-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.history-contact-type {
    flex: 1;
    padding: 14px 10px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.history-contact-type.active {
    background: rgba(240, 185, 11, 0.1);
    border-color: var(--primary);
}

.history-contact-icon {
    font-size: 20px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.history-contact-type.active .history-contact-icon {
    color: var(--primary);
}

.history-contact-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.history-contact-type.active .history-contact-label {
    color: var(--text-primary);
}

.history-input-wrap {
    position: relative;
    margin-bottom: 16px;
}

.history-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
}

.history-input-control {
    padding-left: 42px;
    height: 48px;
    font-size: 15px;
    border-radius: 10px;
}

.history-query-btn {
    width: 100%;
    height: 48px;
    border-radius: 10px;
    font-size: 15px;
}

.history-security-note {
    text-align: center;
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.history-security-icon {
    margin-right: 4px;
}

.history-query-result {
    display: none;
    border-top: 1px solid var(--border);
}

.history-result-head {
    padding: 16px 24px;
    background: var(--bg-input);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-result-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.history-result-title-icon {
    color: var(--primary);
    margin-right: 8px;
}

.history-result-count {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-dark);
    padding: 4px 12px;
    border-radius: 12px;
}

.history-order-list {
    max-height: 320px;
    overflow-y: auto;
    padding: 12px 16px;
}

.history-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.history-empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.3;
}

.history-empty-title {
    margin-bottom: 8px;
}

.history-empty-subtitle {
    font-size: 12px;
    opacity: 0.7;
}

.history-error-state {
    text-align: center;
    padding: 30px;
    color: var(--danger);
}

.history-error-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.history-order-card {
    background: var(--bg-dark);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
    border: 1px solid var(--border);
}

.history-order-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.history-order-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.history-order-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.history-order-network {
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
}

.history-order-status {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.history-order-status.pending {
    color: var(--warning);
    background: rgba(240, 185, 11, 0.15);
}

.history-order-status.verifying {
    color: var(--info);
    background: rgba(30, 144, 255, 0.15);
}

.history-order-status.paid,
.history-order-status.completed {
    color: var(--success);
    background: rgba(14, 203, 129, 0.15);
}

.history-order-status.cancelled {
    color: #95a5a6;
    background: rgba(149, 165, 166, 0.15);
}

.history-order-status.expired,
.history-order-status.failed {
    color: var(--danger);
    background: rgba(246, 70, 93, 0.15);
}

.history-order-status.unknown {
    color: #848E9C;
    background: rgba(132, 142, 156, 0.15);
}

.history-order-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.history-order-id {
    font-family: monospace;
    font-size: 11px;
}

.history-order-amount-wrap {
    display: flex;
    align-items: baseline;
}

.history-order-amount {
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
}

.history-order-unit {
    font-size: 11px;
}

.history-order-time {
    margin-left: 10px;
    font-size: 11px;
}

.history-activation-box {
    margin-top: 12px;
    padding: 12px;
    background: rgba(14, 203, 129, 0.08);
    border: 1px solid rgba(14, 203, 129, 0.3);
    border-radius: 8px;
}

.history-activation-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.history-activation-label {
    font-size: 11px;
    color: var(--success);
}

.history-activation-copy-btn {
    background: var(--success);
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
}

.history-activation-code {
    font-family: monospace;
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
    word-break: break-all;
    background: rgba(14, 203, 129, 0.1);
    padding: 8px;
    border-radius: 4px;
}

.history-refund-completed-row {
    margin-top: 10px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.history-refund-completed-badge {
    background: rgba(14, 203, 129, 0.15);
    color: var(--success);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.history-refund-action-row {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-refund-deadline {
    font-size: 11px;
    color: var(--text-secondary);
}

.history-refund-btn {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.history-refund-btn:hover {
    background: var(--danger);
    color: #fff;
}

.activation-alert {
    margin-top: 20px;
    text-align: left;
}

.refund-modal {
    display: none;
}

.refund-query-link-wrap {
    margin-top: 6px;
    text-align: right;
}

.refund-query-link-anchor {
    color: var(--primary);
    font-size: 12px;
    text-decoration: none;
}

.refund-error-section {
    display: none;
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    color: var(--danger);
}

.refund-error-icon {
    margin-right: 8px;
}

.refund-confirm-section,
.refund-status-section {
    display: none;
}

.cancel-order-confirm-icon,
.cancel-refund-confirm-icon {
    background: rgba(246, 70, 93, 0.1);
}

.cancel-order-confirm-icon-mark,
.cancel-refund-confirm-icon-mark {
    color: var(--danger);
}

.cancel-refund-confirm-modal {
    z-index: 10002;
}

.cancel-refund-confirm-overlay {
    z-index: 10002;
}

.cancel-refund-confirm-content {
    z-index: 10003;
    position: relative;
}

#chat-badge {
    display: none;
}

#chat-window {
    display: none;
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.purchase-footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 20px;
}

.purchase-footer-inner {
    max-width: 800px;
    margin: 0 auto;
}

.footer-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
}

.footer-summary {
    padding: 14px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    list-style: none;
}

.footer-summary-icon-risk {
    color: #DC2626;
}

.footer-summary-icon-service {
    color: var(--primary);
}

.footer-summary-chevron {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 12px;
    transition: transform 0.2s;
}

.footer-content {
    padding: 14px 16px 16px;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.8;
    border-top: 1px solid var(--border);
    margin-top: 0;
}

.footer-p {
    margin: 0;
}

.footer-p-risk {
    margin-bottom: 8px;
}

.footer-p-last {
    margin-bottom: 0;
}

.footer-p-service {
    margin-bottom: 6px;
}

.footer-p-service-last {
    margin-bottom: 12px;
}

.footer-service-check {
    color: var(--success);
    margin-right: 6px;
}

.footer-disclaimer {
    margin: 0;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
    color: #999;
    font-size: 11px;
}

.footer-legal-links {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    align-items: center;
    font-size: 12px;
}

.footer-legal-prefix {
    color: var(--text-secondary);
}

.footer-legal-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.footer-copyright-wrap {
    text-align: center;
    padding-top: 12px;
}

.footer-copyright-text {
    color: var(--text-secondary);
    font-size: 11px;
}