:root {
    --primary: #7C3AED;
    --primary-dark: #6D28D9;
    --primary-light: #8B5CF6;
    --primary-bg: #F5F3FF;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --bg-primary: #F0EFF5;
    --bg-secondary: #FFFFFF;
    --bg-sidebar: #1E1B2E;
    --border-color: #E8E6F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --sidebar-width: 220px;
    --header-height: 60px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #F0EFF5 0%, #F5F3FF 50%, #F0EFF5 100%);
    background-attachment: fixed;
}

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

a:hover {
    color: var(--primary-dark);
}

.install-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #1a1a2e 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.install-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-2%, -2%) rotate(3deg); }
}

.install-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(124, 58, 237, 0.1);
    width: 100%;
    max-width: 520px;
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(20px);
}

.install-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #7C3AED, #8B5CF6, #6D28D9, #7C3AED);
    background-size: 300% 100%;
    animation: gradientMove 3s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.install-header {
    text-align: center;
    padding: 40px 30px 20px;
}

.install-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: #fff;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
    position: relative;
    transform: rotate(0deg);
    transition: transform 0.3s ease;
}

.install-logo:hover {
    transform: rotate(5deg) scale(1.05);
}

.install-logo .logo-text {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px;
    font-family: 'Arial Black', sans-serif;
}

.install-logo.success {
    background: linear-gradient(135deg, #10B981, #059669);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.install-header h1 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 700;
}

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

.install-body {
    padding: 20px 30px 30px;
}

.install-actions {
    margin-top: 24px;
}

.install-footer {
    text-align: center;
    padding: 16px 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
}

.license-info {
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.license-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
}

.license-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.license-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.license-value {
    color: var(--text-primary);
    font-weight: 500;
}

.license-type {
    color: var(--primary);
}

.license-status.pending {
    color: var(--warning);
}

.complete-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.complete-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--success);
    font-weight: 500;
}

.complete-item i {
    font-size: 18px;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #1a1a2e 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    animation: bgShift 20s ease-in-out infinite alternate;
}

.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(124, 58, 237, 0.1);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(20px);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #7C3AED, #8B5CF6, #6D28D9, #7C3AED);
    background-size: 300% 100%;
    animation: gradientMove 3s ease-in-out infinite;
}

.login-header {
    text-align: center;
    padding: 40px 30px 20px;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
    transition: transform 0.3s ease;
}

.login-logo:hover {
    transform: rotate(5deg) scale(1.05);
}

.login-logo .logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    font-family: 'Arial Black', sans-serif;
}

.login-header h1 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-weight: 700;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
}

.login-body {
    padding: 20px 30px;
}

.login-footer {
    text-align: center;
    padding: 16px 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
}

.login-footer p {
    margin-bottom: 4px;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== 验证码样式 ===== */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-image-wrap {
    position: relative;
    flex-shrink: 0;
    cursor: pointer;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s ease;
}

.captcha-image-wrap:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
}

.captcha-image-wrap img {
    display: block;
    height: 40px;
    width: 110px;
}

.captcha-refresh-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(124, 58, 237, 0.85);
    color: #fff;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 5px 0 5px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.captcha-image-wrap:hover .captcha-refresh-btn {
    opacity: 1;
}

.app-header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    width: var(--sidebar-width);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.logo .logo-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    font-family: 'Arial Black', sans-serif;
}

.header-center {
    flex: 1;
    padding: 0 40px;
}

.search-box {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    height: 38px;
    padding: 0 16px 0 38px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    background: #F4F3F9;
    transition: all 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
    background: #fff;
}

.header-right {
    display: flex;
    align-items: center;
}

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

.user-avatar {
    font-size: 32px;
    color: var(--primary-light);
}

.brand-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.brand-avatar .avatar-text {
    font-size: 14px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    font-family: 'Arial Black', sans-serif;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-level {
    font-size: 11px;
    color: var(--text-muted);
}

.user-stats {
    display: flex;
    gap: 12px;
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}

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

.stat-item i {
    color: var(--warning);
    margin-right: 4px;
}

.btn-logout {
    color: var(--text-muted);
    font-size: 18px;
    padding: 6px;
    margin-left: 8px;
    transition: color 0.2s;
}

.btn-logout:hover {
    color: var(--danger);
}

.app-body {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 4px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #7C3AED, #8B5CF6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
    flex-shrink: 0;
}

.sidebar-logo-icon {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    font-family: 'Arial Black', sans-serif;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
}

.sidebar-brand-name {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.sidebar-brand-desc {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 4px 0 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.nav-item.active {
    background: rgba(124, 58, 237, 0.2);
    color: #fff;
    border-left-color: var(--primary-light);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 8px 16px;
}

.nav-section-title {
    padding: 8px 20px 4px;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
}

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

.page-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.dashboard-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.view-switcher {
    display: flex;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.view-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}

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

.view-btn:hover:not(.active) {
    color: var(--text-primary);
}

.group-filter select {
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: #FAFAFE;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s;
}

.group-filter select:focus {
    outline: none;
    border-color: var(--primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.data-table thead {
    background: linear-gradient(135deg, #F5F3FF, #F0EFF5);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(124, 58, 237, 0.1);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: 14px;
    transition: background 0.2s ease;
}

.data-table tbody tr {
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(124, 58, 237, 0.04);
}

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

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

.site-name-cell {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-name-cell::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

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

.password-mask {
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-size: 14px;
    min-width: 60px;
    display: inline-block;
    transition: all 0.3s ease;
}

.action-cell {
    display: flex;
    gap: 4px;
}

.action-cell .btn {
    height: 32px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border-radius: 8px;
    font-size: 12px;
    transition: all 0.2s ease;
}

.action-cell .btn-outline {
    border-color: transparent;
    background: var(--bg-primary);
}

.action-cell .btn-outline:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.15);
}

.action-cell .btn-danger {
    border-color: transparent;
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
}

.action-cell .btn-danger:hover {
    background: var(--danger);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}

.empty-data {
    text-align: center;
    padding: 60px 20px !important;
    color: var(--text-muted);
    font-size: 14px;
}

.empty-data i {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
    color: var(--border-color);
}

.empty-state {
    padding: 20px;
}

.empty-icon {
    font-size: 56px !important;
    color: var(--primary-light) !important;
    opacity: 0.5;
    margin-bottom: 16px;
}

.empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.remark-display {
    padding: 4px 0;
}

.remark-site-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.remark-content {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    min-height: 60px;
    white-space: pre-wrap;
}

.verify-tip {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding: 10px 14px;
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

.card-pwd-text {
    display: inline-block;
    padding: 4px 10px;
    background: #FEF3C7;
    color: #92400E;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    letter-spacing: 1px;
    border: 1px solid #F59E0B;
}

.password-mask {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 2px 6px;
    border-radius: 4px;
}

.password-cell {
     display: flex;
     align-items: center;
     gap: 6px;
 }
 
 #togglePwdBtn.active {
     background: var(--primary);
     color: #fff;
     border-color: var(--primary);
 }
 
 #togglePwdBtn.active:hover {
     background: #6D28D9;
 }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.site-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 16px;
    transition: all 0.25s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.site-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.site-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.site-card:hover::before {
    opacity: 1;
}

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

.card-header h4 {
    font-size: 15px;
    font-weight: 600;
    flex: 1;
    margin-right: 8px;
}

.card-remark {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding: 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

.card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.group-tag {
    display: inline-block;
    padding: 3px 12px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(124, 58, 237, 0.15);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 10px;
    font-size: 12px;
}

.badge-primary {
    background: var(--primary-bg);
    color: var(--primary);
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 12px 0;
}

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

.page-btns {
    display: flex;
    gap: 6px;
}

.page-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

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

.form-group .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: #FAFAFE;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
    background: #fff;
}

.form-control:disabled {
    background: #f3f4f6;
    cursor: not-allowed;
    opacity: 0.7;
}

.form-help {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.4;
}

textarea.form-control {
    height: auto;
    padding: 10px 12px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: auto;
}

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

.form-row {
    display: flex;
    gap: 12px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.input-group {
    position: relative;
    display: flex;
}

.input-group .form-control {
    flex: 1;
}

.input-group .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-light);
    font-size: 15px;
    z-index: 1;
    transition: color 0.2s ease;
}

.input-group:focus-within .input-icon {
    color: var(--primary);
}

.input-group .form-control {
    padding-left: 36px;
}

.input-group-btn {
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-left: none;
    background: var(--bg-primary);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: all 0.2s;
}

.input-group-btn:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-link {
    background: none;
    border: none;
    color: var(--info);
    padding: 4px 8px;
    font-size: 13px;
}

.btn-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s;
}

.modal-container {
    background: linear-gradient(135deg, #FAFAFE, #F5F3FF);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s;
    border: 1px solid rgba(124, 58, 237, 0.1);
}

.modal-sm {
    width: 420px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 0;
}

.modal-header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--primary);
}

.modal-body {
    padding: 20px 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 200px;
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

.toast-warning {
    background: #f59e0b;
}

.toast-info {
    background: var(--info);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
}

.alert-danger {
    background: #FEF2F2;
    color: var(--danger);
    border: 1px solid #FECACA;
}

.alert-success {
    background: #ECFDF5;
    color: var(--success);
    border: 1px solid #A7F3D0;
}

.card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.active {
    background: var(--success);
}

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

.profile-container {
    max-width: 600px;
}

.profile-card {
    display: flex;
    align-items: center;
    gap: 24px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

.profile-avatar {
    color: var(--primary-light);
}

.brand-avatar-lg {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
    flex-shrink: 0;
}

.brand-avatar-lg .avatar-text {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 2px;
    font-family: 'Arial Black', sans-serif;
}

.profile-info h3 {
    font-size: 20px;
    margin-bottom: 4px;
}

.profile-level {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

.profile-stats {
    display: flex;
    gap: 24px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.version-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.version-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.version-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.version-value {
    font-weight: 600;
}

.update-log-content {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    line-height: 1.8;
    white-space: pre-wrap;
}

/* ===== 版本中心样式 ===== */
.version-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 720px;
}

.version-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.version-loading .loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: versionSpin 0.8s linear infinite;
    margin: 0 auto 12px;
}

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

.version-current {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
}

.version-product-id {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 10px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.version-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.version-status-idle {
    background: var(--bg-primary);
    color: var(--text-muted);
}

.version-status-latest {
    background: #ECFDF5;
    color: #059669;
}

.version-status-outdated {
    background: #FEF2F2;
    color: #DC2626;
}

.version-status-error {
    background: #FEF2F2;
    color: #DC2626;
}

.version-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.version-empty i {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
    color: var(--border-color);
}

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

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

.changelog-item {
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.changelog-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.changelog-item-latest {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.changelog-version {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.changelog-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
}

.changelog-date {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-muted);
}

.changelog-content {
    padding-left: 20px;
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2;
}

.btn-outline-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

@media (max-width: 768px) {
    .version-grid {
        max-width: 100%;
    }
}

.error-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.error-card {
    text-align: center;
}

.error-code {
    font-size: 120px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.8;
}

.error-card h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.error-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.25);
}

@media (max-width: 1024px) {
    .app-sidebar {
        width: 60px;
    }
    .app-sidebar .nav-item span,
    .app-sidebar .nav-section-title {
        display: none;
    }
    .app-main {
        margin-left: 60px;
    }
    .header-left {
        width: auto;
    }
}

@media (max-width: 768px) {
    .app-sidebar {
        display: none;
    }
    .app-main {
        margin-left: 0;
    }
    .header-center {
        display: none;
    }
    .user-stats {
        display: none;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 数据管理页面样式 ===== */
.page-header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.page-header-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
}

.page-header-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.backup-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.stat-card-info {
    display: flex;
    flex-direction: column;
}

.stat-card-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.stat-card-label {
    font-size: 12px;
    color: var(--text-secondary);
}

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

.card-header-left h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-tabs {
    display: flex;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
}

.filter-tab {
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.filter-tab:hover {
    color: var(--text-primary);
}

.filter-tab.active {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.table-wrapper {
    overflow-x: auto;
}

.backup-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.backup-file-icon {
    font-size: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.backup-file-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    line-height: 1.4;
}

.backup-file-path {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    line-height: 1.3;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.backup-time {
    font-size: 13px;
    color: var(--text-secondary);
}

.badge-auto {
    background: #F0FDF4;
    color: #16A34A;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-manual {
    background: var(--primary-bg);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.backup-actions {
    display: flex;
    gap: 6px;
}

.action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    background: transparent;
    position: relative;
}

.action-btn:hover {
    transform: translateY(-1px);
}

.action-btn::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: #1F2937;
    color: #fff;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
}

.action-btn:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.action-download {
    color: var(--primary);
}

.action-download:hover {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.action-restore {
    color: var(--info);
}

.action-restore:hover {
    background: #EFF6FF;
    color: #2563EB;
}

.action-delete {
    color: var(--danger);
}

.action-delete:hover {
    background: #FEF2F2;
    color: #DC2626;
}

.empty-state {
    text-align: center;
    padding: 50px 20px;
}

.empty-state-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 30px;
    color: var(--primary);
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.auto-backup-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: start;
}

.auto-backup-grid .form-group {
    margin-bottom: 0;
}

.auto-backup-grid .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.auto-backup-grid .form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-primary);
    background: #fff;
    transition: border-color 0.2s ease;
}

.auto-backup-grid .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.auto-backup-grid .form-control:disabled {
    background: var(--bg-primary);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-help {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.backup-tip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: #92400E;
    line-height: 1.5;
    margin-top: 12px;
}

.backup-tip i {
    font-size: 14px;
    color: #F59E0B;
    margin-top: 1px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    text-align: center;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #D1D5DB;
    border-radius: 24px;
    transition: all 0.3s ease;
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-container {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    animation: modalIn 0.25s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #7C3AED, #8B5CF6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px 24px;
}

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

.btn-danger {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-danger:hover {
    background: #DC2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 768px) {
    .backup-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .auto-backup-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 数据管理弹窗样式（独立类名，避免与主布局冲突）===== */
.backup-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.backup-modal-box {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    animation: modalIn 0.25s ease;
}

.backup-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.backup-modal-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
}

.backup-modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.backup-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.backup-modal-close:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.backup-modal-body {
    padding: 20px 24px;
}

.backup-info-box {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: var(--radius-sm);
    line-height: 1.7;
    font-size: 13px;
    color: #1E40AF;
}

.backup-info-icon {
    font-size: 18px;
    color: #3B82F6;
    flex-shrink: 0;
    margin-top: 2px;
}

.backup-info-text {
    font-size: 13px;
}

/* ===== 安全配置页面样式 ===== */
.security-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.security-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.security-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.security-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
}

.security-card-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.security-card-title h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.security-card-title p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 2px 0 0 0;
}

.security-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.security-card-body {
    padding: 6px 0;
}

.security-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid #F3F4F6;
    gap: 20px;
}

.security-item:last-child {
    border-bottom: none;
}

.security-item-left {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
    min-width: 0;
}

.security-item-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.security-item-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.security-item-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.security-input {
    width: 80px;
    text-align: center;
}

.security-select {
    width: 130px;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
}

.security-badge-mandatory {
    background: #FEF2F2;
    color: #DC2626;
    border: 1px solid #FECACA;
}

.security-footer {
    text-align: center;
    padding: 24px 0 10px;
}

.btn-lg {
    padding: 12px 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

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

@media (max-width: 768px) {
    .security-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .security-item-right {
        align-self: stretch;
    }
    
    .security-select {
        width: 100%;
    }
    
    .security-input {
        width: 100%;
    }
}

/* ===== 快捷复制中心样式 ===== */
/* ===== 快捷复制中心样式 ===== */
.clipboard-count {
    font-size: 13px;
    color: var(--text-muted);
}

.clipboard-empty-icon i {
    transition: transform 0.3s;
}

.clipboard-empty-icon:hover i {
    transform: scale(1.1);
}

#clipboardList {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.clipboard-record {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.clipboard-record:hover {
    border-color: rgba(124, 58, 237, 0.25);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.08);
    transform: translateY(-1px);
}

.clipboard-record-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.clipboard-record-site {
    display: flex;
    align-items: center;
    gap: 8px;
}

.clipboard-record-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 13px;
    flex-shrink: 0;
}

.clipboard-record-site strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.clipboard-record-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 40px;
}

.clipboard-record-time {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.clipboard-record-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    margin-left: 12px;
}

.clipboard-action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.clipboard-action-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.06);
}

.clipboard-action-btn span {
    font-size: 12px;
}

.clipboard-action-delete {
    padding: 6px 10px;
}

.clipboard-action-delete:hover {
    color: #EF4444 !important;
    border-color: #EF4444 !important;
    background: rgba(239, 68, 68, 0.06) !important;
}

/* ===== 密码生成器 Tab 样式 ===== */
.pwd-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.pwd-tab-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 4px;
}

.pwd-tab-btn {
    flex: 1;
    height: 40px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
}

.pwd-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(124, 58, 237, 0.06);
}

.pwd-tab-btn.active {
    background: var(--bg-secondary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.pwd-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
}

.pwd-tab-content {
    display: none;
}

.pwd-tab-content.active {
    display: block;
}

/* ===== 密码生成器样式 ===== */
.pwd-generator-layout {
    display: flex;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    align-items: flex-start;
}

.pwd-generator-card {
    flex: 1;
    max-width: 560px;
}

.pwd-sidebar {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pwd-preset-card {
    flex-shrink: 0;
}

.pwd-history-card {
    flex: 1;
}

.pwd-display-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: var(--bg-primary);
    border: 2px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    transition: border-color 0.2s;
}

.pwd-display-box:hover {
    border-color: rgba(124, 58, 237, 0.4);
}

.pwd-display-text {
    flex: 1;
    font-size: 22px;
    font-weight: 700;
    font-family: 'Consolas', 'Courier New', monospace;
    color: var(--text-primary);
    letter-spacing: 3px;
    word-break: break-all;
    user-select: all;
}

.pwd-display-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.pwd-btn {
    height: 38px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 13px;
    padding: 0 14px;
    transition: all 0.2s;
}

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

.pwd-btn-refresh:hover {
    background: var(--primary-dark, #5B21B6);
}

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

.pwd-btn-copy:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.06);
}

.pwd-btn-copy-sm {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: var(--bg-secondary);
    color: var(--text-muted);
    transition: all 0.2s;
}

.pwd-btn-copy-sm:hover {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.1);
}

.pwd-config-section {
    margin-bottom: 16px;
}

.pwd-config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.pwd-config-item:last-child {
    border-bottom: none;
}

.pwd-config-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pwd-config-label > span:first-child {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.pwd-char-hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 12px;
}

.pwd-config-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.pwd-config-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwd-config-right input[type="range"] {
    width: 130px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-primary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.pwd-config-right input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(124, 58, 237, 0.3);
}

.pwd-length-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    min-width: 28px;
    text-align: center;
}

.pwd-strength-section {
    padding: 14px 0;
    border-top: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.pwd-strength-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

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

.pwd-strength-text {
    font-size: 13px;
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

.pwd-strength-track {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.pwd-strength-fill {
    height: 100%;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.pwd-actions {
    display: flex;
    gap: 12px;
}

.pwd-actions .btn {
    flex: 1;
}

.pwd-preset-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pwd-preset-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.pwd-preset-item:hover {
    background: rgba(124, 58, 237, 0.06);
    border-color: rgba(124, 58, 237, 0.15);
}

.pwd-preset-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--warning);
    font-size: 16px;
    flex-shrink: 0;
}

.pwd-preset-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

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

.pwd-preset-desc {
    font-size: 11px;
    color: var(--text-muted);
}

.pwd-history-card .card-header:hover {
    background: rgba(124, 58, 237, 0.04);
}

.pwd-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
}

.pwd-history-item:last-child {
    border-bottom: none;
}

.pwd-history-left {
    flex: 1;
    min-width: 0;
}

.pwd-history-pwd {
    display: block;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-all;
}

.pwd-history-time {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.pwd-history-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.pwd-btn-sm {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    transition: all 0.2s;
}

.pwd-btn-sm:hover {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.08);
}

.pwd-btn-sm-del:hover {
    color: #EF4444 !important;
    background: rgba(239, 68, 68, 0.08) !important;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.pwd-btn-refresh.spinning i {
    animation: spin 0.4s ease-in-out;
}

#pwdGenIcon i {
    transition: all 0.2s;
}

#pwdGenIcon:hover i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 6px rgba(124, 58, 237, 0.4));
}

@media (max-width: 768px) {
    .pwd-generator-layout {
        flex-direction: column;
    }
    .pwd-preset-card {
        width: 100%;
    }
}

/* ===== 系统状态监控样式 ===== */
.status-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.status-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

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

.status-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
}

.status-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.status-card-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.status-card-header p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 2px 0 0 0;
}

.status-card-body {
    padding: 6px 0;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid #F3F4F6;
}

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

.status-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.status-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== 帮助与反馈样式 ===== */
.help-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.help-section {
    margin-bottom: 20px;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.help-section p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.help-list {
    padding-left: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

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

.faq-question i {
    font-size: 12px;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

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

.faq-answer {
    display: none;
    padding: 0 0 14px 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 侧边栏底部样式 ===== */
.sidebar-footer {
    flex-shrink: 0;
    padding: 10px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    background: var(--bg-sidebar);
}

.sidebar-version {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.5px;
}

/* ===== 分页组件样式 ===== */
.pagination-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.pagination-inner .page-btn {
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.pagination-inner .page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-inner .page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.page-dots {
    padding: 0 4px;
    color: var(--text-muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    .status-grid {
        grid-template-columns: 1fr;
    }
    .help-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 授权管理样式 ===== */
.license-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 720px;
}

.license-status-card .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.license-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.license-badge-valid {
    background: #ECFDF5;
    color: #059669;
}

.license-badge-invalid {
    background: #FEF2F2;
    color: #DC2626;
}

.license-badge .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.license-badge .status-dot.active {
    background: #10B981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.license-badge .status-dot.inactive {
    background: #EF4444;
}

.license-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.license-loading .loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: licenseSpin 0.8s linear infinite;
    margin: 0 auto 12px;
}

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

.license-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.license-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #F3F4F6;
}

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

.license-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.license-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.license-product-name {
    color: var(--primary);
    font-weight: 700;
}

.license-product-id {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 10px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.license-domain {
    color: var(--primary) !important;
    font-weight: 700 !important;
}

.license-notice {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.license-notice-success {
    background: #ECFDF5;
    color: #059669;
}

.license-notice-warning {
    background: #FFFBEB;
    color: #D97706;
}

.license-notice-error {
    background: #FEF2F2;
    color: #DC2626;
}

.license-empty-state {
    text-align: center;
    padding: 40px 20px;
}

.license-empty-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.license-empty-icon:hover {
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
    transform: scale(1.05);
}

.license-empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.license-empty-state p {
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto 16px;
    line-height: 1.6;
}

.license-empty-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 12px !important;
}

.license-activate-card {
    display: none;
}

.license-activate-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: #FFFBEB;
    border-radius: var(--radius-sm);
    border-left: 3px solid #F59E0B;
}

.license-code-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 6px !important;
}

.btn-activate {
    padding: 10px 28px !important;
    font-size: 14px !important;
}

.btn-activate i {
    margin-right: 6px;
}

@media (max-width: 768px) {
    .license-grid {
        max-width: 100%;
    }
}

/* ===== 我的资料页面样式 ===== */
.profile-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 860px;
}

.profile-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    gap: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

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

.profile-avatar {
    position: relative;
    flex-shrink: 0;
    cursor: pointer;
}

.avatar-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.profile-avatar:hover .avatar-hover-overlay {
    opacity: 1;
}

.profile-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
}

.badge-admin {
    background: #EDE9FE;
    color: #7C3AED;
    border: 1px solid #C4B5FD;
}

.badge-user {
    background: #F3F4F6;
    color: #6B7280;
    border: 1px solid #E5E7EB;
}

.profile-level-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: #FEF3C7;
    color: #D97706;
    border: 1px solid #FDE68A;
}

.profile-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.profile-signin .signin-btn {
    padding: 8px 24px;
    font-size: 14px;
}

.signin-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.signin-badge.signed {
    background: #ECFDF5;
    color: #059669;
    border: 1px solid #A7F3D0;
}

/* ===== 模块卡片 ===== */
.profile-module {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

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

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.module-header-left h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.module-body {
    padding: 20px 24px;
}

/* ===== 安全网格 ===== */
.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.security-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.security-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.security-item-header i {
    width: 20px;
    color: var(--primary);
}

.security-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.security-form .form-group {
    margin-bottom: 0;
}

.security-form .form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-primary);
    background: #fff;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.security-form .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-group {
    display: flex;
    gap: 0;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.input-group-btn {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--bg-primary);
    color: var(--primary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.input-group-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== 快捷操作 ===== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.quick-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.quick-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.1);
    transform: translateY(-2px);
}

.quick-btn i {
    font-size: 24px;
    color: var(--primary);
}

.quick-btn span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.quick-btn small {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.3;
}

.quick-btn-primary {
    background: linear-gradient(135deg, #7C3AED, #8B5CF6);
    border-color: transparent;
}

.quick-btn-primary i,
.quick-btn-primary span,
.quick-btn-primary small {
    color: #fff;
}

.quick-btn-primary:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
    transform: translateY(-2px);
}

/* ===== 偏好设置列表 ===== */
.pref-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pref-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid #F3F4F6;
}

.pref-item:last-child {
    border-bottom: none;
}

.pref-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pref-item-left i {
    width: 20px;
    font-size: 16px;
    color: var(--text-muted);
}

.pref-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.pref-desc {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== 系统概览（站长） ===== */
.system-overview {
    margin-top: 16px;
}

.overview-loading {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 13px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.overview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

.overview-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.overview-label {
    font-size: 11px;
    color: var(--text-muted);
}

.overview-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
}

.overview-status.status-ok {
    color: #059669;
}

.overview-status.status-warn {
    color: #D97706;
}

/* ===== 模态框页脚 ===== */
.modal-footer {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    border-top: 1px solid var(--border-color);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .profile-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
    .profile-info {
        width: 100%;
    }
    .profile-info > div:first-child {
        justify-content: center;
    }
    .profile-stats {
        justify-content: center;
    }
    .profile-meta {
        justify-content: center;
    }
    .security-grid {
        grid-template-columns: 1fr;
    }
    .quick-actions {
        grid-template-columns: 1fr;
    }
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}