/* ==================== 全局重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
                 'Microsoft YaHei', sans-serif;
    color: var(--gray-900);
    background: var(--gray-100);
    line-height: 1.6;
    font-size: 14px;
}

/* ==================== 登录页 ==================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    font-size: 48px;
    margin-bottom: 8px;
}

.login-header h1 {
    font-size: 24px;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 13px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 13px;
}

.login-form input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.login-hint {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-500);
    font-size: 12px;
}

/* ==================== 提示框 ==================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13px;
}

.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid #bbf7d0;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, opacity 0.2s;
    text-decoration: none;
    font-family: inherit;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-outline {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-500);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

.link-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
    text-decoration: underline;
    font-family: inherit;
}

/* ==================== 顶部导航 ==================== */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-logo {
    font-size: 24px;
}

.brand-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.welcome {
    font-size: 13px;
    color: var(--gray-500);
}

.welcome strong {
    color: var(--gray-900);
}

/* ==================== 容器 & 卡片 ==================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

/* ==================== 主布局（侧边栏 + 主内容） ==================== */
.layout {
    display: flex;
    min-height: calc(100vh - 60px);
    background: var(--gray-100);
}

.sidebar {
    width: 220px;
    background: #fff;
    border-right: 1px solid var(--gray-200);
    flex-shrink: 0;
    padding: 16px 0;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
    overflow-y: auto;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.sidebar-item.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.sidebar-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-label {
    flex: 1;
}

.main-content {
    flex: 1;
    min-width: 0;
}

.card {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.card-title small {
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-500);
}

.card-desc {
    color: var(--gray-500);
    font-size: 13px;
    margin-bottom: 24px;
}

/* ==================== 表单 ==================== */
.query-form .form-group {
    margin-bottom: 24px;
}

.query-form > .form-group > label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-hint {
    display: block;
    margin-top: 6px;
    color: var(--gray-500);
    font-size: 12px;
}

/* 域名后缀芯片 */
.suffix-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suffix-chip {
    cursor: pointer;
}

.suffix-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.suffix-chip span {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray-700);
    background: #fff;
    transition: all 0.2s;
    user-select: none;
}

.suffix-chip:hover span {
    border-color: var(--primary);
    color: var(--primary);
}

.suffix-chip input:checked + span {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.suffix-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

/* 模式切换 */
.mode-tabs {
    display: flex;
    gap: 0;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    overflow: hidden;
    width: fit-content;
}

.mode-tab {
    cursor: pointer;
    position: relative;
}

.mode-tab input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-tab span {
    display: inline-block;
    padding: 8px 24px;
    font-size: 13px;
    color: var(--gray-700);
    background: #fff;
    transition: all 0.2s;
    user-select: none;
}

.mode-tab.active span {
    background: var(--primary);
    color: #fff;
}

/* 输入框 */
textarea, input[type="number"], input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    color: var(--gray-900);
}

textarea:focus, input[type="number"]:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

textarea {
    resize: vertical;
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
}

.range-inputs input {
    flex: 1;
    max-width: 200px;
}

.range-sep {
    color: var(--gray-500);
    font-size: 16px;
}

/* 复选框 */
.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--gray-700);
}

.checkbox-label input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* 表单操作 */
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* ==================== 进度条 ==================== */
.progress-card {
    padding: 20px 28px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--gray-700);
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #7c3aed);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s;
}

/* ==================== 结果表格 ==================== */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.results-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.results-summary {
    font-size: 13px;
    color: var(--gray-500);
}

.results-summary strong {
    color: var(--success);
}

.results-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
}

.results-table, .history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.results-table th, .history-table th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.results-table td, .history-table td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-900);
}

.results-table tbody tr:last-child td,
.history-table tbody tr:last-child td {
    border-bottom: none;
}

.results-table tbody tr.row-available {
    background: var(--success-light);
}

.results-table tbody tr.row-available:hover,
.results-table tbody tr:hover {
    background: var(--gray-50);
}

.results-table tbody tr.row-available:hover {
    background: #bbf7d0;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

/* ==================== 历史 ==================== */
.history-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
    font-size: 14px;
}

/* ==================== 工具类 ==================== */
.hidden {
    display: none !important;
}

/* 加载动画 */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 响应式 */
@media (max-width: 640px) {
    .login-card {
        padding: 32px 24px;
        margin: 16px;
    }

    .container {
        padding: 16px;
    }

    .card {
        padding: 20px;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    /* 移动端侧边栏变为顶部横向 */
    .layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: 8px 0;
    }
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
    }
    .sidebar-item {
        border-left: none;
        border-bottom: 3px solid transparent;
        white-space: nowrap;
        padding: 10px 16px;
    }
    .sidebar-item.active {
        border-left: none;
        border-bottom-color: var(--primary);
    }
}

/* ==================== 自定义后缀输入 ==================== */
.custom-suffix-box {
    margin-top: 16px;
    padding: 14px;
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius);
}

.custom-suffix-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.custom-suffix-input-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.custom-suffix-input-row .suffix-dot {
    color: var(--gray-500);
    font-size: 16px;
    font-weight: 600;
}

.custom-suffix-input-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 13px;
}

.custom-suffix-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    min-height: 4px;
}

.custom-suffix-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px 4px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
}

.tag-remove {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0 4px;
    border-radius: 50%;
    transition: background 0.2s;
}

.tag-remove:hover {
    background: rgba(37, 99, 235, 0.2);
}

/* ==================== 暂停按钮 ==================== */
.btn-warning {
    background: var(--warning);
    color: #fff;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
}

/* ==================== 实时查询列表 ==================== */
.live-query-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.live-query-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.live-query-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.live-query-stat {
    font-size: 12px;
    color: var(--gray-500);
}

.live-query-list {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--gray-50);
    padding: 6px;
}

.live-query-empty {
    text-align: center;
    padding: 20px;
    color: var(--gray-500);
    font-size: 13px;
}

.live-query-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
    background: #fff;
    margin-bottom: 4px;
    transition: background 0.2s;
}

.live-query-item:last-child {
    margin-bottom: 0;
}

.live-query-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.live-query-domain {
    flex: 1;
    color: var(--gray-900);
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.live-query-time {
    color: var(--gray-500);
    font-size: 11px;
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
    flex-shrink: 0;
}

/* 状态颜色 */
.status-querying .live-query-icon {
    background: #fef3c7;
    color: #92400e;
}

.status-available .live-query-icon {
    background: var(--success-light);
    color: var(--success);
}

.status-available {
    border-left: 3px solid var(--success);
}

.status-registered .live-query-icon {
    background: var(--danger-light);
    color: var(--danger);
}

.status-registered {
    border-left: 3px solid var(--danger);
}

.status-error .live-query-icon {
    background: #fee2e2;
    color: #991b1b;
}

.status-error {
    border-left: 3px solid #991b1b;
}

/* ==================== 已扫描域名库页面 ==================== */
.suffix-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.suffix-nav-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 13px;
    transition: all 0.2s;
}

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

.suffix-nav-item.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.suffix-nav-count {
    display: inline-block;
    padding: 1px 8px;
    background: var(--gray-200);
    color: var(--gray-700);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.suffix-nav-item.active .suffix-nav-count {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.search-bar {
    margin-bottom: 20px;
}

.search-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 9px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.domain-list-section {
    margin-top: 20px;
}

.domain-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.domain-list-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.suffix-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 13px;
}

.domain-list-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.domain-list-count {
    font-size: 13px;
    color: var(--gray-500);
}

.domain-list-count strong {
    color: var(--success);
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 8px;
}

.domain-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--success-light);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.domain-item:hover {
    background: #bbf7d0;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.domain-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.domain-name {
    flex: 1;
    color: var(--gray-900);
    font-weight: 500;
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.domain-time {
    color: var(--gray-500);
    font-size: 11px;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .domain-grid {
        grid-template-columns: 1fr;
    }
    .search-form {
        flex-wrap: wrap;
    }
    .search-input {
        width: 100%;
    }
}

/* ==================== 三步向导页面（scanned.php） ==================== */

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--gray-500);
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--gray-700);
    text-decoration: none;
}
.breadcrumb a:hover {
    color: var(--primary);
    text-decoration: underline;
}
.bc-sep {
    color: var(--gray-300);
}
.bc-current {
    color: var(--primary);
    font-weight: 600;
}

.breadcrumb-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.breadcrumb-bar .breadcrumb {
    margin-bottom: 0;
}

/* 步骤标题（蓝色背景小图标 + 文字） */
.step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}
.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}
.step-icon-blue {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}
.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

/* 模式选择网格 */
.mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.mode-card {
    display: block;
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}
.mode-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
    transform: translateY(-2px);
}
.mode-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 14px;
    font-size: 32px;
    margin-bottom: 16px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.mode-card-icon-blue {
    background: linear-gradient(135deg, #60a5fa, #2563eb);
}
.mode-card-icon-orange {
    background: linear-gradient(135deg, #fb923c, #ea580c);
}
.mode-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}
.mode-card p {
    color: var(--gray-500);
    font-size: 13px;
    line-height: 1.6;
}
@media (max-width: 640px) {
    .mode-grid {
        grid-template-columns: 1fr;
    }
}

/* 后缀/长度网格（5列） */
.suffix-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}
@media (max-width: 900px) {
    .suffix-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 560px) {
    .suffix-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.suffix-card {
    display: block;
    text-align: center;
    padding: 18px 12px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}
.suffix-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}
.suffix-card.is-empty {
    opacity: 0.4;
    pointer-events: none;
}
.suffix-card-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
}
.suffix-card-price {
    font-size: 12px;
    color: var(--warning);
    font-weight: 500;
    margin-bottom: 6px;
}
.suffix-card-count {
    display: inline-block;
    padding: 1px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

/* 步骤3 长度/后缀分类表格 */
.length-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.length-table th {
    background: var(--gray-50);
    padding: 14px 16px;
    text-align: center;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}
.length-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-900);
}
.length-table tbody tr:hover {
    background: var(--gray-50);
}
.length-table tbody tr:last-child td {
    border-bottom: none;
}

/* 步骤4 列表顶栏 */
.list-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    background: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}
.list-top-title {
    font-size: 14px;
    color: var(--gray-700);
}
.list-top-title strong {
    color: var(--gray-900);
    font-size: 15px;
}
.list-top-price {
    font-size: 14px;
    color: var(--warning);
    font-weight: 600;
}

/* 列表工具栏 */
.list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}
.list-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.search-form {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 240px;
}
.search-icon {
    color: var(--gray-500);
    font-size: 14px;
}
.search-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* 普通/溢价切换 */
.type-tabs {
    display: inline-flex;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    overflow: hidden;
}
.type-tab {
    padding: 6px 14px;
    font-size: 13px;
    color: var(--gray-700);
    background: #fff;
    text-decoration: none;
    border-right: 1px solid var(--gray-300);
    transition: all 0.2s;
}
.type-tab:last-child {
    border-right: none;
}
.type-tab:hover {
    background: var(--gray-50);
    color: var(--primary);
}
.type-tab.active {
    background: var(--primary);
    color: #fff;
}

/* 域名列表表格 */
.domain-list-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.domain-list-table th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}
.domain-list-table th:first-child,
.domain-list-table td:first-child {
    text-align: center;
}
.domain-list-table td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-900);
}
.domain-list-table tbody tr:last-child td {
    border-bottom: none;
}
.domain-list-table tbody tr:hover {
    background: var(--gray-50);
}
.domain-cell {
    font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
    font-size: 13px;
    color: var(--gray-900);
}
.domain-suffix {
    color: var(--primary);
    font-weight: 500;
}

/* 普通徽章 */
.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 8px 0;
}
.page-link {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--primary);
    background: #fff;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}
.page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}
.page-link.disabled {
    color: var(--gray-300);
    background: var(--gray-50);
    pointer-events: none;
    border-color: var(--gray-200);
}
.page-info {
    font-size: 13px;
    color: var(--gray-500);
}

/* ==================== 域名设置页面（domain_settings.php） ==================== */

/* 顶部工具栏：统计 + 操作按钮 */
.settings-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    flex-wrap: wrap;
}
.settings-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.stat-label {
    font-size: 12px;
    color: var(--gray-500);
}
.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.settings-actions {
    display: flex;
    gap: 8px;
}

/* 价格设置表格 */
.settings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.settings-table th,
.settings-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}
.settings-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
}
.settings-table tbody tr:hover {
    background: var(--gray-50);
}
.suffix-cell-name {
    font-size: 15px;
    color: var(--primary);
}
.default-price-cell {
    color: var(--gray-500);
    text-decoration: line-through;
    font-size: 13px;
}

/* 价格输入框 */
.price-input {
    width: 100%;
    max-width: 140px;
    padding: 6px 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.price-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* 单项恢复默认按钮 */
.btn-reset-one {
    padding: 4px 10px;
    font-size: 12px;
}

/* 静音徽章（默认状态） */
.badge.badge-muted {
    background: var(--gray-100);
    color: var(--gray-500);
    border: 1px solid var(--gray-200);
}

/* 添加新后缀表单 */
.add-suffix-form {
    margin-top: 8px;
}
.add-suffix-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.add-suffix-row .suffix-dot {
    font-size: 18px;
    color: var(--gray-500);
    font-weight: 600;
}
.add-suffix-input {
    width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
}
.add-suffix-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.add-price-input {
    width: 120px;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
}
.add-price-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Flash 消息 */
.flash-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    animation: fadeIn 0.3s ease;
}
.flash-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.flash-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Toast 提示 */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(17, 24, 39, 0.95);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    max-width: 90vw;
}
.toast.toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 响应式：小屏幕下表格横向滚动 */
@media (max-width: 768px) {
    .settings-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .settings-stats {
        justify-content: space-around;
    }
    .settings-table {
        font-size: 13px;
    }
    .settings-table th,
    .settings-table td {
        padding: 8px 10px;
    }
    .price-input {
        max-width: 100px;
    }
}

/* ==================== 前缀组合模式 ==================== */
.combination-box {
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 16px;
    background: var(--gray-50);
}

.combination-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 40px;
    align-items: center;
    margin-bottom: 12px;
}

.combination-empty {
    color: var(--gray-400);
    font-size: 13px;
}

.combination-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

.combination-tag .tag-remove {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 12px;
    line-height: 18px;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s;
}

.combination-tag .tag-remove:hover {
    background: rgba(255, 255, 255, 0.4);
}

.combination-input-row {
    margin-bottom: 12px;
    color: var(--gray-500);
    font-size: 13px;
}

.combination-quick-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.combination-quick-btns .btn {
    min-width: 72px;
}

.combination-custom-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.combination-custom-row input {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
}

.combination-custom-row input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.combination-preview {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
}

.combination-preview strong {
    color: var(--gray-900);
}

/* ==================== 弹窗 ==================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    z-index: 1;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h3 {
    flex: 1;
    margin: 0;
    font-size: 16px;
    color: var(--gray-900);
}

.modal-icon {
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
}

.modal-body .form-group {
    margin-bottom: 16px;
}

.modal-body .form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
}

.modal-body .form-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
}

.modal-body .form-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modal-tip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 12px;
    background: #eff6ff;
    border-radius: 8px;
    font-size: 13px;
    color: var(--primary);
    line-height: 1.5;
}

.modal-tip-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

@media (max-width: 480px) {
    .modal-content {
        margin: 16px;
    }
    .combination-quick-btns .btn {
        flex: 1;
    }
    .combination-custom-row {
        flex-direction: column;
    }
}

/* ==================== 前端首页（front-page） ==================== */
.front-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #f5f7fb;
}

.front-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.front-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.front-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.front-brand-logo {
    font-size: 28px;
}

.front-brand-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
}

.front-brand-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.front-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.front-nav-item {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s;
}

.front-nav-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.front-nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

.front-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.front-main {
    flex: 1;
    
}

.front-hero {
    padding: 64px 24px 40px;
    text-align: center;
}

.front-hero-inner {
    max-width: 680px;
    margin: 0 auto;
}

.front-hero h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.front-hero p {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.7;
}

.front-features {
    padding-bottom: 64px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 760px;
    margin: 0 auto;
}

.feature-card {
    display: block;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 36px 28px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
    transform: translateY(-4px);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    font-size: 28px;
    margin-bottom: 18px;
}

.feature-icon-blue {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.feature-icon-green {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 18px;
}

.feature-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

.front-footer {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 24px;
}

.front-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.front-copyright {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 6px;
}

.front-contact {
    font-size: 12px;
    color: var(--gray-400);
}

@media (max-width: 640px) {
    .front-header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 16px;
        gap: 12px;
    }

    .front-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .front-hero {
        padding: 40px 20px 28px;
    }

    .front-hero h1 {
        font-size: 28px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 16px;
    }
}

/* ==================== 前端功能页底部版权 ==================== */
.front-footer-compact {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 16px 24px;
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
}

/* ==================== 网址设置页面（site_settings.php） ==================== */
.site-settings-form .form-group {
    margin-bottom: 24px;
}

.site-settings-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.site-settings-form input[type="text"],
.site-settings-form input[type="password"] {
    width: 100%;
    max-width: 520px;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
}

.site-settings-form input[type="text"]:focus,
.site-settings-form input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.site-setting-preview {
    margin-top: 12px;
    padding: 12px;
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius);
    display: inline-block;
}

.site-setting-preview img {
    max-width: 120px;
    max-height: 60px;
    display: block;
}

 

.btn-shangyibu {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-shangyibu:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-500);
}

/* ==================== 管理员后台（admin-page） ==================== */
.admin-page {
    --admin-primary: #96b8a9;
    --admin-primary-hover: #83a897;
    --admin-primary-light: #edf3f0;
    --admin-bg: #f6f8f7;
    --admin-sidebar-bg: #ffffff;
    --admin-sidebar-active: #edf3f0;
    --admin-sidebar-text: #4a5568;
    --admin-sidebar-active-text: #5a7d6e;
    --admin-border: #e8eeeb;
    --admin-text: #2d3748;
    --admin-muted: #718096;
    --admin-card-bg: #ffffff;
    --admin-radius: 14px;
    --admin-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    background: var(--admin-bg);
}

/* 顶部导航 */
.admin-page .topbar {
    background: #fff;
    border-bottom: 1px solid var(--admin-border);
    box-shadow: none;
}

.admin-page .brand-text {
    color: var(--admin-text);
}

/* 左侧侧边栏 */
.admin-page .layout {
    background: var(--admin-bg);
}

.admin-page .sidebar {
    background: var(--admin-sidebar-bg);
    border-right: 1px solid var(--admin-border);
    padding: 16px 12px;
    width: 220px;
}

.admin-page .sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 4px;
    border-radius: 10px;
    color: var(--admin-sidebar-text);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    border-left: none;
}

.admin-page .sidebar-item:hover {
    background: var(--admin-primary-light);
    color: var(--admin-sidebar-active-text);
}

.admin-page .sidebar-item.active {
    background: var(--admin-primary-light);
    color: var(--admin-sidebar-active-text);
    font-weight: 600;
}

.admin-page .sidebar-icon {
    width: 22px;
    font-size: 18px;
    text-align: center;
}

/* 主内容区 */
.admin-page .main-content.container {
    padding: 24px 28px;
    max-width: none;
}

/* 页面标题栏 */
.admin-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.admin-page-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--admin-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-page-title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--admin-primary-light);
    color: var(--admin-sidebar-active-text);
    border-radius: 10px;
    font-size: 18px;
}

.admin-breadcrumb {
    font-size: 13px;
    color: var(--admin-muted);
    margin-top: 4px;
}

.admin-breadcrumb a {
    color: var(--admin-muted);
    text-decoration: none;
}

.admin-breadcrumb a:hover {
    color: var(--admin-primary);
}

.admin-breadcrumb .bc-sep {
    margin: 0 6px;
    color: var(--gray-300);
}

/* 卡片 */
.admin-page .card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-border);
    padding: 24px;
    margin-bottom: 20px;
}

.admin-page .card:last-child {
    margin-bottom: 0;
}

/* 统计卡片 */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.admin-stat-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-border);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-stat-label {
    font-size: 13px;
    color: var(--admin-muted);
}

.admin-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-stat-value.primary {
    color: var(--admin-primary);
}

/* 卡片头部工具栏 */
.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-card-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* 后台按钮 */
.admin-page .btn-primary {
    background: var(--admin-primary);
    color: #fff;
}

.admin-page .btn-primary:hover:not(:disabled) {
    background: var(--admin-primary-hover);
}

.admin-page .btn-outline {
    background: #fff;
    color: var(--admin-sidebar-text);
    border: 1px solid var(--admin-border);
}

.admin-page .btn-outline:hover:not(:disabled) {
    background: var(--admin-primary-light);
    border-color: var(--admin-primary);
    color: var(--admin-sidebar-active-text);
}

/* 表格 */
.admin-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: #fff;
}

.admin-table th,
.admin-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
    background: var(--admin-primary-light);
    font-weight: 600;
    color: var(--admin-sidebar-active-text);
    font-size: 13px;
    white-space: nowrap;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: #fafcfb;
}

.admin-table .cell-primary {
    color: var(--admin-primary);
    font-weight: 500;
}

/* 搜索/筛选条 */
.admin-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.admin-filter-bar .search-input,
.admin-filter-bar select {
    min-width: 180px;
    padding: 9px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-filter-bar .search-input:focus,
.admin-filter-bar select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(150, 184, 169, 0.15);
}

/* 表单 */
.admin-form .form-group {
    margin-bottom: 22px;
}

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

.admin-form input[type="text"],
.admin-form input[type="password"],
.admin-form input[type="number"] {
    width: 100%;
    max-width: 520px;
    padding: 10px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-form input[type="text"]:focus,
.admin-form input[type="password"]:focus,
.admin-form input[type="number"]:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(150, 184, 169, 0.15);
}

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

/* 价格输入框 */
.admin-page .price-input {
    border-color: var(--admin-border);
    border-radius: 10px;
    padding: 8px 12px;
}

.admin-page .price-input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(150, 184, 169, 0.15);
}

/* 徽章 */
.admin-page .badge-success {
    background: #e6f4ea;
    color: #1e7e34;
}

.admin-page .badge-info {
    background: #e8f4f8;
    color: #1a6e8c;
}

.admin-page .badge-warning {
    background: #fff4e5;
    color: #b36b00;
}

.admin-page .badge-danger {
    background: #fdecea;
    color: #b42318;
}

.admin-page .badge-muted {
    background: #f1f3f5;
    color: var(--admin-muted);
    border: 1px solid var(--admin-border);
}

/* Flash 消息 */
.admin-page .flash-message {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}

.admin-page .flash-success {
    background: #e6f4ea;
    color: #1e7e34;
    border: 1px solid #c3e6cb;
}

.admin-page .flash-error {
    background: #fdecea;
    color: #b42318;
    border: 1px solid #f5c6cb;
}

/* 分页 */
.admin-page .pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    font-size: 13px;
}

.admin-page .page-link {
    padding: 7px 14px;
    border-radius: 8px;
    border: 1px solid var(--admin-border);
    color: var(--admin-sidebar-text);
    text-decoration: none;
    background: #fff;
    transition: all 0.2s;
}

.admin-page .page-link:hover:not(.disabled) {
    background: var(--admin-primary-light);
    border-color: var(--admin-primary);
    color: var(--admin-sidebar-active-text);
}

.admin-page .page-link.disabled {
    color: var(--gray-300);
    background: var(--gray-50);
    cursor: not-allowed;
}

.admin-page .page-info {
    color: var(--admin-muted);
}

/* 空状态 */
.admin-page .empty-state {
    color: var(--admin-muted);
}

/* 添加后缀行 */
.admin-page .add-suffix-input,
.admin-page .add-price-input {
    border-color: var(--admin-border);
    border-radius: 10px;
    padding: 9px 12px;
}

.admin-page .add-suffix-input:focus,
.admin-page .add-price-input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(150, 184, 169, 0.15);
}

/* 响应式 */
@media (max-width: 768px) {
    .admin-page .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        top: 0;
    }

    .admin-page .layout {
        flex-direction: column;
    }

    .admin-page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-table th,
    .admin-table td {
        padding: 10px 12px;
    }
}