/* ============================================
   桃子统计 - 专业商务 UI 样式
   白色主题 · 蓝色系 · 简洁专业
   ============================================ */

:root {
    --bg-primary: #f5f7fa;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #2563eb;
    --accent-light: #3b82f6;
    --accent-dark: #1d4ed8;
    --accent-bg: #eff6ff;
    --accent-border: #bfdbfe;
    --success: #059669;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --purple: #7c3aed;
    --purple-bg: #f5f3ff;
    --orange: #ea580c;
    --orange-bg: #fff7ed;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* ===== 导航栏 ===== */
.navbar {
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 60px;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand .logo-icon {
    width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: #fff;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.navbar-menu a {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.navbar-menu a:hover {
    color: var(--accent);
    background: var(--accent-bg);
}

.navbar-menu a.active {
    color: var(--accent);
    background: var(--accent-bg);
    font-weight: 600;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-user .avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
}

/* ===== 布局容器 ===== */
.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 32px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title .icon {
    color: var(--accent);
}

/* ===== 统计卡片网格 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 14px;
}

.stat-card.cyan .stat-icon { background: var(--accent-bg); color: var(--accent); }
.stat-card.green .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.purple .stat-icon { background: var(--purple-bg); color: var(--purple); }
.stat-card.orange .stat-icon { background: var(--orange-bg); color: var(--orange); }
.stat-card.red .stat-icon { background: var(--danger-bg); color: var(--danger); }
.stat-card.blue .stat-icon { background: var(--accent-bg); color: var(--accent); }

.stat-card .stat-value {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 6px;
    font-variant-numeric: tabular-nums;
}

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

.stat-card .stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: 4px;
}

.stat-trend.up { color: var(--success); background: var(--success-bg); }
.stat-trend.down { color: var(--danger); background: var(--danger-bg); }

/* 脉冲动画 */
.pulse-dot {
    display: inline-block;
    width: 8px; height: 8px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s ease-in-out infinite;
    vertical-align: middle;
}

.stat-card .pulse-dot {
    display: inline-block;
    width: 8px; height: 8px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ===== 表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tr:hover td {
    background: #f8fafc;
}

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

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: #f8fafc;
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

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

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 18px;
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* ===== 登录/注册页面 ===== */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 20px;
    background: var(--bg-primary);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo .logo-icon {
    width: 56px; height: 56px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: var(--radius-md);
    font-size: 28px;
    color: #fff;
}

.auth-logo h1 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 14px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ===== 验证码输入框 ===== */
.captcha-row {
    display: flex;
    gap: 10px;
    align-items: center;
}
.captcha-input {
    flex: 1;
}
.captcha-img {
    height: 42px;
    width: 120px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    transition: border-color 0.2s, opacity 0.2s;
}
.captcha-img:hover {
    border-color: var(--accent);
    opacity: 0.85;
}

/* ===== 短信验证码输入框 ===== */
.sms-row {
    display: flex;
    gap: 10px;
    align-items: center;
}
.sms-input {
    flex: 1;
}
.btn-sms {
    height: 42px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.2s;
}
.btn-sms:hover {
    background: var(--accent);
    color: #fff;
}
.btn-sms.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== 标签/徽章 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--accent-bg); color: var(--accent); }

/* ===== 图表容器 ===== */
.chart-container {
    position: relative;
    height: 300px;
    margin-top: 12px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ===== 网格布局 ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .navbar { padding: 0 16px; }
    .container { padding: 16px; }
}

/* ===== 开关 ===== */
.switch {
    position: relative;
    display: inline-block;
    width: 44px; height: 24px;
}

.switch input { display: none; }

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #cbd5e1;
    border-radius: 12px;
    transition: var(--transition);
}

.switch .slider::before {
    content: '';
    position: absolute;
    height: 18px; width: 18px;
    left: 3px; bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.switch input:checked + .slider {
    background: var(--accent);
}

.switch input:checked + .slider::before {
    transform: translateX(20px);
}

/* ===== 进度条 ===== */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.8s ease;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 14px;
}

/* ===== 加载动画 ===== */
.loader {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 24px;
}

.pagination a, .pagination span {
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.pagination a:hover {
    border-color: var(--border-color);
    color: var(--accent);
}

.pagination .current {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: var(--accent-border);
}

/* ===== 聊天列表 ===== */
.chat-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.chat-list-item:hover, .chat-list-item.active {
    background: var(--accent-bg);
    border-color: var(--accent-border);
}

.chat-list-item .avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
}

.chat-list-item .info {
    flex: 1;
    min-width: 0;
}

.chat-list-item .name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-list-item .last-msg {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-item .unread-badge {
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    min-width: 18px; height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-weight: 700;
}

/* ===== 聊天消息 ===== */
.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.chat-message {
    display: flex;
    gap: 10px;
    max-width: 70%;
}

.chat-message.visitor {
    align-self: flex-start;
}

.chat-message.admin {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message .msg-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.chat-message.visitor .msg-avatar {
    background: var(--accent);
    color: #fff;
}

.chat-message.admin .msg-avatar {
    background: var(--purple);
    color: #fff;
}

.chat-message .msg-bubble {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message.visitor .msg-bubble {
    background: var(--accent-bg);
    border: 1px solid var(--accent-border);
    border-top-left-radius: 4px;
}

.chat-message.admin .msg-bubble {
    background: var(--purple-bg);
    border: 1px solid #ddd6fe;
    border-top-right-radius: 4px;
}

.chat-message .msg-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.chat-message img {
    max-width: 200px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* ===== 聊天输入区 ===== */
.chat-input-area {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
}

.chat-input-area input[type="text"] {
    flex: 1;
    padding: 9px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.chat-input-area input[type="text"]:focus {
    border-color: var(--accent);
}

.chat-input-area .send-btn {
    width: 38px; height: 38px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.chat-input-area .send-btn:hover {
    background: var(--accent-dark);
}

/* ===== 工具提示 ===== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tip);
    position: absolute;
    bottom: 100%; left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--text-primary);
    color: #fff;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* ===== 信息提示框 ===== */
.info-box {
    background: var(--accent-bg);
    border: 1px solid var(--accent-border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 12px 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.info-box strong {
    color: var(--text-primary);
}

.info-box .info-icon {
    color: var(--accent);
    margin-right: 6px;
}

/* ===== 操作提示框 ===== */
.tip-box {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-left: 3px solid var(--success);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 12px 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tip-box strong {
    color: var(--text-primary);
}

/* ===== 警告提示框 ===== */
.warn-box {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-left: 3px solid var(--warning);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 12px 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== 步骤列表 ===== */
.step-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 16px 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.step-item .step-num {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.step-item .step-content {
    flex: 1;
    padding-top: 3px;
}

.step-item .step-content .step-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-item .step-content .step-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.step-item .step-content code {
    background: var(--accent-bg);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* ===== 内联帮助文字 ===== */
.help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 5px;
    line-height: 1.5;
}

.help-text a {
    color: var(--accent);
    text-decoration: none;
}

.help-text a:hover {
    text-decoration: underline;
}

/* ===== 代码块 ===== */
.code-block {
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: var(--text-primary);
    white-space: pre-wrap;
    line-height: 1.8;
    overflow-x: auto;
}

/* ===== 功能说明卡片（扩展版） ===== */
.feature-card-lg {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.feature-card-lg .feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.feature-card-lg h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-card-lg .feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.feature-card-lg .feature-usage {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.feature-card-lg .feature-usage strong {
    color: var(--accent);
}

/* ===== 分段标题 ===== */
.section-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 6px; height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== 站点底部 ===== */
.site-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 40px 32px 24px;
    margin-top: 40px;
}

.site-footer .footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.site-footer .footer-brand h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.site-footer .footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 400px;
}

.site-footer .footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.site-footer .footer-col ul {
    list-style: none;
}

.site-footer .footer-col ul li {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.site-footer .footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
}

.site-footer .footer-col ul li a:hover {
    color: var(--accent);
}

.site-footer .footer-qrcode {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    object-fit: contain;
    background: #f8fafc;
}

.site-footer .footer-bottom {
    max-width: 1400px;
    margin: 24px auto 0;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 8px;
}

.site-footer .footer-bottom a {
    color: var(--accent);
    text-decoration: none;
}

.site-footer .footer-bottom a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .site-footer .footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .site-footer .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .stats-grid { grid-template-columns: 1fr; }
    .navbar-menu { display: none; }
    .page-title { font-size: 20px; }
}

/* ===== 滑块验证组件 ===== */
.slider-verify {
    width: 100%;
    margin-top: 8px;
}

.slider-verify-track {
    position: relative;
    height: 44px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    overflow: hidden;
    user-select: none;
}

.slider-verify-track.slider-success {
    background: #dcfce7;
    border-color: #22c55e;
}

.slider-verify-bg {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-bg), var(--accent));
    transition: width 0.1s linear;
}

.slider-verify-track.slider-success .slider-verify-bg {
    background: linear-gradient(90deg, #bbf7d0, #22c55e);
}

.slider-verify-btn {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 36px;
    height: 36px;
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: transform 0.1s;
    z-index: 10;
}

.slider-verify-btn:active {
    cursor: grabbing;
    transform: scale(1.05);
}

.slider-verify-track.slider-success .slider-verify-btn {
    background: #22c55e;
    color: #fff;
}

.slider-verify-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    color: var(--text-muted);
    pointer-events: none;
    z-index: 5;
}

.slider-verify-track.slider-success .slider-verify-text {
    color: #16a34a;
}

.slider-verify-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
    text-align: center;
}

.slider-verify-track.disabled {
    opacity: 0.6;
    pointer-events: none;
}