/* iOS风格样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ios-blue: #007AFF;
    --ios-gray: #8E8E93;
    --ios-light-gray: #F2F2F7;
    --ios-dark-gray: #1C1C1E;
    --ios-red: #FF3B30;
    --ios-green: #34C759;
    --ios-orange: #FF9500;
    --ios-yellow: #FFCC00;
    --ios-white: #FFFFFF;
    --ios-separator: #C6C6C8;
    --ios-background: #F2F2F7;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--ios-background);
    color: var(--ios-dark-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

/* 登录页面 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-box {
    background: var(--ios-white);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo img {
    max-width: 80px;
    height: auto;
}

.login-title {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
    color: var(--ios-dark-gray);
}

.login-subtitle {
    text-align: center;
    color: var(--ios-gray);
    font-size: 14px;
    margin-bottom: 30px;
}

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

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

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--ios-separator);
    border-radius: 10px;
    background: var(--ios-white);
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--ios-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.captcha-group {
    display: flex;
    gap: 10px;
}

.captcha-input {
    flex: 1;
}

.captcha-image {
    width: 120px;
    height: 44px;
    border: 1px solid var(--ios-separator);
    border-radius: 10px;
    cursor: pointer;
    background: var(--ios-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--ios-blue);
    letter-spacing: 5px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background: var(--ios-blue);
    color: var(--ios-white);
}

.btn-compact {
    padding: 8px 16px;
    font-size: 14px;
    white-space: nowrap;
}

.btn-compact.btn-primary {
    width: auto;
}

.btn-primary:hover {
    background: #0051D5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

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

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-danger {
    background: #FFEBEE;
    color: #C62828;
    border: 1px solid #FFCDD2;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #C8E6C9;
}

/* 主布局 */
.main-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--ios-white);
    border-right: 1px solid var(--ios-separator);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--ios-separator);
}

.sidebar-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--ios-dark-gray);
}

.sidebar-user {
    padding: 15px 20px;
    border-bottom: 1px solid var(--ios-separator);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--ios-blue);
    color: var(--ios-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--ios-dark-gray);
}

.user-role {
    font-size: 12px;
    color: var(--ios-gray);
}

.sidebar-menu {
    padding: 10px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--ios-dark-gray);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 15px;
}

.menu-item:hover {
    background: var(--ios-light-gray);
}

.menu-item.active {
    background: rgba(0, 122, 255, 0.1);
    color: var(--ios-blue);
    font-weight: 500;
}

.menu-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
}

.page-header {
    margin-bottom: 20px;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--ios-dark-gray);
    margin-bottom: 10px;
}

.page-subtitle {
    color: var(--ios-gray);
    font-size: 14px;
}

.page-header-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.search-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    width: 100%;
    align-items: center;
}

.search-form .form-input {
    flex: 1;
    min-width: 200px;
}

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

.action-buttons {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
    width: auto;
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-filter {
    padding: 6px 12px;
    font-size: 13px;
    width: auto;
    white-space: nowrap;
}

.btn-filter.active {
    background: var(--ios-blue);
    color: var(--ios-white);
    border-color: var(--ios-blue);
}

/* 卡片 */
.card {
    background: var(--ios-white);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--ios-separator);
    flex-wrap: wrap;
    gap: 10px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ios-dark-gray);
}

/* 表格 */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 100%;
}

.table th {
    background: var(--ios-light-gray);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    color: var(--ios-dark-gray);
    border-bottom: 1px solid var(--ios-separator);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--ios-separator);
    font-size: 14px;
}

.table tr:hover {
    background: var(--ios-light-gray);
}

/* 表单 */
.form-card {
    background: var(--ios-white);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--ios-separator);
}

.btn-secondary {
    background: var(--ios-light-gray);
    color: var(--ios-dark-gray);
}

.btn-secondary:hover {
    background: #E5E5EA;
}

.btn-danger {
    background: var(--ios-red);
    color: var(--ios-white);
}

.btn-danger:hover {
    background: #D70015;
}

.btn-success {
    background: var(--ios-green);
    color: var(--ios-white);
}

.btn-success:hover {
    background: #28A745;
}

.btn-warning {
    background: var(--ios-orange);
    color: var(--ios-white);
}

.btn-warning:hover {
    background: #E68900;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background: rgba(0, 122, 255, 0.1);
    color: var(--ios-blue);
}

.badge-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--ios-green);
}

.badge-danger {
    background: rgba(255, 59, 48, 0.1);
    color: var(--ios-red);
}

.badge-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--ios-orange);
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--ios-white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    color: var(--ios-dark-gray);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--ios-gray);
}

.stat-change {
    font-size: 12px;
    margin-top: 5px;
}

.stat-change.positive {
    color: var(--ios-green);
}

.stat-change.negative {
    color: var(--ios-red);
}

/* 仪表盘网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* 信息网格 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--ios-dark-gray);
    background: var(--ios-white);
    border: 1px solid var(--ios-separator);
}

.pagination a:hover {
    background: var(--ios-light-gray);
}

.pagination .active {
    background: var(--ios-blue);
    color: var(--ios-white);
    border-color: var(--ios-blue);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: var(--ios-white);
    border: 1px solid var(--ios-separator);
    border-radius: 8px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ios-dark-gray);
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-overlay.show {
    display: block;
    opacity: 1;
}

.sidebar-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--ios-dark-gray);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
}

.sidebar-close:hover {
    background: var(--ios-light-gray);
}

/* 移动端模态框优化 */
@media (max-width: 768px) {
    /* 模态框样式 */
    [id$="Modal"] {
        padding: 15px !important;
        align-items: flex-start !important;
        padding-top: 20px !important;
    }
    
    [id$="Modal"] > div {
        width: 95% !important;
        max-width: 95% !important;
        max-height: 90vh !important;
        padding: 20px !important;
        margin: 0 !important;
    }
    
    [id$="Modal"] h3 {
        font-size: 18px !important;
        margin-bottom: 15px !important;
    }
    
    [id$="Modal"] .form-input,
    [id$="Modal"] textarea {
        font-size: 16px !important; /* 防止iOS自动缩放 */
    }
    
    [id$="Modal"] .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    [id$="Modal"] .form-actions .btn {
        width: 100%;
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-close {
        display: flex;
    }
    
    .main-content {
        margin-left: 0;
        padding: 12px;
        padding-top: 70px;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* 防止内容溢出 */
    .main-content > * {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        margin-bottom: 15px;
    }
    
    .page-title {
        font-size: 22px;
    }
    
    .card {
        padding: 15px;
        margin-bottom: 15px;
        border-radius: 10px;
        overflow: hidden;
    }
    
    .form-card {
        padding: 15px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .card-header form {
        width: 100%;
    }
    
    .card-header form .form-input {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .table-container {
        font-size: 13px;
        margin: 0 -15px;
        padding: 0 15px;
        -webkit-overflow-scrolling: touch;
        overflow-x: auto;
    }
    
    .table {
        min-width: 900px;
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 10px 8px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    .table th:first-child,
    .table td:first-child {
        padding-left: 15px;
        position: sticky;
        left: 0;
        background: var(--ios-light-gray);
        z-index: 1;
    }
    
    .table td:first-child {
        background: var(--ios-white);
    }
    
    .table tr:hover td:first-child {
        background: var(--ios-light-gray);
    }
    
    .table th:last-child,
    .table td:last-child {
        padding-right: 15px;
    }
    
    /* 操作列在移动端固定右侧 */
    .table th:last-child,
    .table td:last-child {
        position: sticky;
        right: 0;
        background: var(--ios-white);
        z-index: 1;
        box-shadow: -2px 0 4px rgba(0,0,0,0.1);
        min-width: 100px;
    }
    
    .table th:last-child {
        background: var(--ios-light-gray);
    }
    
    .table tr:hover td:last-child {
        background: var(--ios-light-gray);
    }
    
    /* 表格第一列（ID或关键信息）固定左侧 */
    .table th:first-child,
    .table td:first-child {
        min-width: 60px;
        max-width: 80px;
    }
    
    /* 表格在移动端优化 */
    .table thead {
        display: table-header-group;
    }
    
    .table tbody {
        display: table-row-group;
    }
    
    /* 表格单元格文本换行优化 */
    .table td {
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .table td:not(:first-child):not(:last-child) {
        white-space: normal;
        max-width: 120px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-grid > div {
        padding: 10px 0;
        border-bottom: 1px solid var(--ios-separator);
    }
    
    .info-grid > div:last-child {
        border-bottom: none;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 14px;
        min-height: 44px;
        touch-action: manipulation;
    }
    
    .btn-compact {
        padding: 8px 14px;
        font-size: 13px;
        min-height: 40px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-danger,
    .btn-success,
    .btn-warning {
        width: auto;
        min-width: 80px;
    }
    
    .page-header-actions .btn,
    .search-buttons .btn {
        width: 100%;
    }
    
    /* 按钮组在移动端垂直排列 */
    .page-header-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .page-header-actions > * {
        width: 100%;
    }
    
    /* 移动端触摸优化 */
    a, button, input, select, textarea {
        -webkit-tap-highlight-color: rgba(0, 122, 255, 0.2);
        touch-action: manipulation;
    }
    
    /* 防止双击缩放 */
    * {
        touch-action: manipulation;
    }
    
    /* 优化滚动 */
    .table-container,
    .card,
    .main-content {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 优化表单输入 */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        -webkit-appearance: none;
        appearance: none;
        border-radius: 8px;
    }
    
    /* 优化按钮点击区域 */
    .btn {
        -webkit-tap-highlight-color: transparent;
        user-select: none;
    }
    
    .btn:active {
        opacity: 0.8;
        transform: scale(0.98);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 6px;
        padding: 15px 0;
        justify-content: center;
    }
    
    .pagination a,
    .pagination span {
        padding: 8px 12px;
        font-size: 13px;
        min-height: 36px;
        display: inline-flex;
        align-items: center;
        touch-action: manipulation;
    }
    
    .pagination form {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    
    .pagination input[type="number"] {
        width: 55px;
        padding: 8px;
        font-size: 14px;
        min-height: 36px;
        text-align: center;
        -webkit-appearance: none;
        appearance: none;
    }
    
    .pagination span:not(:first-of-type):not(:last-of-type) {
        display: none;
    }
    
    .page-header-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .page-header-actions .btn {
        width: 100%;
        margin-top: 0;
    }
    
    .page-header-actions .filter-buttons {
        width: 100%;
        margin-top: 0;
    }
    
    .page-header-actions > .filter-buttons {
        margin-top: 10px;
    }
    
    .search-form {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .search-form .form-input {
        width: 100%;
        min-width: auto;
        font-size: 16px; /* 防止iOS自动缩放 */
    }
    
    .search-form select.form-input {
        font-size: 16px;
    }
    
    .search-buttons {
        width: 100%;
        display: flex;
        gap: 8px;
    }
    
    .search-buttons .btn {
        flex: 1;
        min-height: 44px;
    }
    
    .action-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: auto;
        min-width: 120px;
    }
    
    .action-buttons .btn-sm {
        padding: 6px 10px;
        font-size: 12px;
        min-height: 32px;
        white-space: nowrap;
        flex: 0 0 auto;
    }
    
    .action-buttons form {
        display: inline-block;
    }
    
    .action-buttons button,
    .action-buttons a {
        min-height: 32px;
    }
    
    .filter-buttons {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .filter-buttons .btn-filter {
        padding: 10px;
        min-height: 44px;
        font-size: 13px;
    }
    
    body {
        font-size: 13px;
    }
    
    .login-box {
        padding: 25px 20px;
    }
    
    .login-title {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .login-subtitle {
        font-size: 12px;
        margin-bottom: 25px;
    }
    
    .form-label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .form-input {
        font-size: 16px; /* 防止iOS自动缩放 */
        padding: 12px 14px;
        min-height: 44px;
        -webkit-appearance: none;
        appearance: none;
        border-radius: 8px;
    }
    
    select.form-input {
        font-size: 16px;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 35px;
    }
    
    textarea.form-input {
        min-height: 100px;
        resize: vertical;
        font-size: 16px;
    }
    
    input[type="date"].form-input,
    input[type="time"].form-input,
    input[type="datetime-local"].form-input {
        font-size: 16px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .page-subtitle {
        font-size: 12px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .table th,
    .table td {
        font-size: 12px;
    }
    
    .btn {
        font-size: 13px;
        padding: 10px 18px;
    }
    
    .menu-item {
        font-size: 14px;
    }
    
    .user-name {
        font-size: 13px;
    }
    
    .user-role {
        font-size: 11px;
    }
    
    .sidebar-logo {
        font-size: 18px;
    }
    
    .stat-value {
        font-size: 26px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .badge {
        font-size: 11px;
    }
    
    .alert {
        font-size: 12px;
        padding: 10px 14px;
    }
    
    .captcha-group {
        flex-direction: column;
    }
    
    .captcha-image {
        width: 100%;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 12px;
    }
    
    .main-content {
        padding: 10px;
        padding-top: 65px;
    }
    
    .page-title {
        font-size: 18px;
    }
    
    .card {
        padding: 12px;
    }
    
    .card-title {
        font-size: 15px;
    }
    
    .table th,
    .table td {
        padding: 6px 4px;
        font-size: 11px;
    }
    
    .btn {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    .form-input {
        font-size: 13px;
        padding: 9px 12px;
    }
    
    .form-label {
        font-size: 12px;
    }
    
    .login-title {
        font-size: 18px;
        margin-bottom: 6px;
    }
    
    .login-subtitle {
        font-size: 11px;
        margin-bottom: 20px;
    }
    
    .form-label {
        font-size: 12px;
    }
    
    .form-input {
        font-size: 13px;
    }
    
    .menu-item {
        font-size: 13px;
    }
    
    .stat-value {
        font-size: 22px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .badge {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .alert {
        font-size: 11px;
        padding: 10px 12px;
    }
    
    .captcha-image {
        font-size: 16px;
        min-height: 44px;
    }
    
    /* 小屏幕下卡片内容优化 */
    .card > div[style*="grid"] {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .pagination {
        font-size: 12px;
        gap: 4px;
    }
    
    .pagination a,
    .pagination span {
        padding: 6px 10px;
        font-size: 12px;
        min-height: 32px;
    }
    
    .pagination input[type="number"] {
        width: 50px;
        padding: 6px;
        font-size: 13px;
        min-height: 32px;
    }
    
    .pagination span:not(:first-of-type):not(:last-of-type) {
        display: none;
    }
    
    .table th,
    .table td {
        padding: 8px 6px;
        font-size: 11px;
    }
    
    .action-buttons {
        flex-direction: column;
        width: 100%;
        gap: 4px;
    }
    
    .action-buttons .btn-sm {
        width: 100%;
        padding: 8px;
        font-size: 12px;
    }
    
    .filter-buttons {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        padding-bottom: 12px;
        margin-bottom: 15px;
    }
    
    .form-card {
        padding: 15px;
    }
    
    .form-row {
        gap: 15px;
    }
    
    .form-input {
        font-size: 16px; /* 防止iOS自动缩放 */
    }
    
    select.form-input {
        font-size: 16px;
    }
}