/* FontAwesome is now loaded via CDN in HTML head */

/* Footer 用户操作样式 */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.separator {
    color: #666;
    font-weight: bold;
}

/* 移动端注销链接样式改进 */
.mobile-logout-link {
    display: flex;
    gap: 10px;
    align-items: center;
}

.mobile-logout-link a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.mobile-logout-link a:hover {
    background: var(--primary-dark);
}

.mobile-logout-link a span {
    display: none;
}

/* 更改密码表单样式 */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-container {
    max-width: 500px;
    margin: 0 auto;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-primary, .btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

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

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

/* ============================================
   现代化管理类APP样式设计
   ============================================ */

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden;
}

main {
    max-width: 100%;
    overflow-x: hidden;
}

:root {
    /* 主色调 - 鲜红色系 */
    --primary-color: #E53935;
    --primary-dark: #B71C1C;
    --primary-light: #FF5252;
    --secondary-color: #FF8A80;
    
    /* 功能色 */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* 中性色 */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #E53935 0%, #FF5252 100%);
    background-attachment: fixed;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 80px;
}

/* 容器 */
.container {
    width: 95%;
    max-width: min(1400px, 100%);
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

/* 标题 */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

h2 {
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    font-size: 1.875rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 100%;
}

h2 i {
    color: var(--primary-color);
    font-size: 1.2em;
}

h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 2px;
    margin-right: var(--spacing-xs);
}

/* 链接 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
}

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

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

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

.btn-success:hover {
    background: #059669;
    color: white;
}

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

.btn-warning:hover {
    background: #d97706;
    color: white;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn i {
    font-size: 0.875em;
}

/* 设置页：计划任务 URL 等长串避免撑出视口 */
.settings-cron-hint {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-sizing: border-box;
}

.settings-cron-hint code {
    display: block;
    max-width: 100%;
    margin: 8px 0;
    overflow-wrap: anywhere;
    word-break: break-all;
    box-sizing: border-box;
}

/* ============================================
   头部和导航
   ============================================ */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    max-width: 100%;
    box-sizing: border-box;
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 95%;
    max-width: min(1400px, 100%);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    gap: var(--spacing-sm);
    box-sizing: border-box;
}

header nav h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000000;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

header nav h1 i {
    font-size: 1.2em;
    color: #000000;
    margin-right: var(--spacing-xs);
}

header nav .desktop-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

header nav .desktop-nav li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
}

header nav .desktop-nav li a i {
    font-size: 1em;
}

header nav .desktop-nav li a:hover,
header nav .desktop-nav li a.active {
    color: var(--primary-color);
    background: rgba(229, 57, 53, 0.1);
}

header nav .desktop-nav li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px 2px 0 0;
}

.mobile-logout-link {
    display: none;
}

.mobile-logout-link a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background: var(--danger-color);
    transition: background 0.2s ease;
    font-size: 0.875rem;
}

.mobile-logout-link a:hover {
    background: #dc2626;
}

/* ============================================
   表单样式
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.25);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 表单操作按钮组 */
.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.form-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* ============================================
   登录页面
   ============================================ */
body.login-page {
    background: #e8e8e8;
    background-attachment: fixed;
}

.login-container {
    width: 90%;
    max-width: 420px;
    margin: 80px auto;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.login-container h2 {
    margin-bottom: var(--spacing-xl);
    border-bottom: none;
    justify-content: center;
}

.login-container h2::before {
    display: none;
}

.login-container button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

.login-container button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   仪表板统计卡片
   ============================================ */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: #e8e8e8;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 移除顶部长条颜色块 */
.stat-card::before {
    display: none;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-card h3 {
    color: #555555;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.stat-card h3 i {
    font-size: 1em;
    color: #555555;
}

.stat-card p {
    font-size: 2rem;
    font-weight: 700;
    color: #555555;
    margin: 0;
    line-height: 1.2;
}

/* ============================================
   表格样式
   ============================================ */
.table-responsive {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.table th,
.table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table thead th {
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.5px;
    padding: 18px 16px;
}

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

.table tbody tr:hover {
    background: rgba(229, 57, 53, 0.05);
}

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

/* 手机端表格卡片式布局 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .user-actions {
        justify-content: center;
    }

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

    .form-actions a, .form-actions button {
        text-align: center;
        justify-content: center;
    }

    .table-responsive.card-view {
        overflow: visible;
        box-shadow: none;
    }

    .table-responsive.card-view .table {
        border-collapse: separate;
        border-spacing: 0 var(--spacing-md);
        background: transparent;
        box-shadow: none;
    }

    .table-responsive.card-view .table thead {
        display: none;
    }

    .table-responsive.card-view .table tbody tr {
        display: block;
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-sm);
        border: 2px solid var(--border-color);
        transition: all 0.2s ease;
    }

    body.page-customers .table-responsive.card-view .table tbody tr,
    body.page-software .table-responsive.card-view .table tbody tr,
    body.page-servers .table-responsive.card-view .table tbody tr,
    body.page-domains .table-responsive.card-view .table tbody tr {
        border-color: var(--primary-color);
    }

    .table-responsive.card-view .table tbody tr:hover {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-lg);
        transform: translateY(-2px);
    }

    .table-responsive.card-view .table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        padding: 8px 0;
        border-bottom: 1px solid var(--border-color);
        text-align: right;
        flex-wrap: wrap;
    }

    .table-responsive.card-view .table tbody td:last-child {
        border-bottom: none;
        padding-top: var(--spacing-md);
        justify-content: flex-end;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }

    .table-responsive.card-view .table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        text-align: left;
        flex: 0 0 35%;
        font-size: 0.8125rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-right: var(--spacing-sm);
        min-width: 80px;
    }

    .table-responsive.card-view .table tbody td:last-child::before {
        display: none;
    }

    .table-responsive.card-view .table tbody td > *:not(::before) {
        flex: 1;
        text-align: right;
        word-break: break-word;
    }

    .table-responsive.card-view .table tbody td ul,
    .table-responsive.card-view .table tbody td p {
        text-align: left;
        margin: 0;
        padding-left: var(--spacing-md);
    }

    .table-responsive.card-view .table tbody td .btn {
        flex-shrink: 0;
        white-space: nowrap;
    }
}

/* ============================================
   即将到期项目提醒
   ============================================ */
.expiring-items-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.expiring-items-title i {
    color: var(--warning-color);
    font-size: 0.875rem;
}

.expiring-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.expiring-item-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    display: block;
}

.expiring-item-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.expiring-item-card strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9375rem;
    font-weight: 600;
}

.expiring-item-card span {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: block;
}

.expiring-item-card .expiry-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.expiring-item-card .days-left {
    color: #dc2626;
    font-weight: 600;
    flex-shrink: 0;
}

.expiring-software-card-color {
    border-color: var(--info-color);
    background: rgba(59, 130, 246, 0.05);
}

.expiring-software-card-color strong {
    color: var(--info-color);
}

.expiring-server-card-color {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.expiring-server-card-color strong {
    color: var(--success-color);
}

.expiring-domain-card-color {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.05);
}

.expiring-domain-card-color strong {
    color: var(--warning-color);
}

.expired-items-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.expired-items-title i {
    color: #15803d;
    font-size: 0.875rem;
}

.expired-items-subtitle {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.expired-item-card {
    border-color: #15803d !important;
    background: rgba(22, 101, 52, 0.08) !important;
}

.expired-item-card strong {
    color: #166534 !important;
}

.expired-item-card:hover {
    border-color: #166534 !important;
    box-shadow: var(--shadow-md);
}

.expired-item-card .days-overdue {
    color: #b45309;
    font-weight: 600;
    flex-shrink: 0;
}

/* ============================================
   页脚
   ============================================ */
footer.desktop-footer {
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* ============================================
   移动端底部导航
   ============================================ */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-top: 1px solid var(--border-color);
}

.bottom-nav ul {
    display: flex;
    justify-content: space-around;
    list-style: none;
    padding: 0;
    margin: 0;
}

.bottom-nav ul li {
    flex: 1;
    text-align: center;
}

.bottom-nav ul li a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    font-weight: 500;
}

.bottom-nav ul li a i {
    font-size: 1.25rem;
    margin-bottom: 2px;
}

.bottom-nav ul li a.active,
.bottom-nav ul li a:hover {
    color: var(--primary-color);
    background: rgba(229, 57, 53, 0.1);
}

.bottom-nav ul li a.active i {
    transform: scale(1.1);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    body {
        padding-bottom: 80px;
        background: linear-gradient(135deg, #E53935 0%, #FF5252 100%);
    }

    .container {
        width: 100%;
        max-width: 100%;
        margin: var(--spacing-md) auto;
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
        box-sizing: border-box;
    }

    h2 {
        font-size: 1.5rem;
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }

    /* 头部调整 */
    header {
        padding: var(--spacing-sm) 0;
    }

    header nav {
        width: 100%;
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }

    header nav h1 {
        font-size: 1rem;
        min-width: 0;
        flex: 1 1 auto;
        line-height: 1.3;
    }

    header nav .desktop-nav {
        display: none;
    }

    .mobile-logout-link {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 1em;
        flex-shrink: 0;
    }

    .mobile-logout-link a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        background: var(--primary-color);
        color: white;
        text-decoration: none;
        border-radius: var(--radius-md);
        font-size: 1.125rem;
    }

    .mobile-logout-link a:hover {
        background: var(--primary-dark);
    }

    /* 按钮调整 */
    .btn {
        padding: 8px 16px;
        font-size: 0.875rem;
    }

    .btn-sm {
        padding: 6px 12px;
        font-size: 0.8125rem;
    }

    /* 表单调整 */
    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .form-group label {
        font-size: 0.875rem;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 14px;
        font-size: 0.9375rem;
    }

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

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

    /* 登录页面 */
    .login-container {
        margin: 40px auto;
        padding: var(--spacing-lg);
        width: 95%;
    }

    .login-container h2 {
        font-size: 1.5rem;
    }

    /* 统计卡片 */
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card h3 {
        font-size: 0.75rem;
    }

    .stat-card p {
        font-size: 1.5rem;
    }

    /* 即将到期项目标题 */
    .expiring-items-title {
        font-size: 0.875rem;
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-sm);
    }

    /* 表格 */
    .table th,
    .table td {
        padding: 12px 8px;
        font-size: 0.875rem;
    }

    /* 显示底部导航 */
    .bottom-nav {
        display: block;
    }

    /* 隐藏桌面页脚 */
    footer.desktop-footer {
        display: none;
    }

    /* 即将到期项目网格 */
    .expiring-items-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    /* 确保即使在窄屏手机上也保持2列布局 */
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-sm);
    }

    .stat-card p {
        font-size: 1.5rem;
    }

    .stat-card h3 {
        font-size: 0.7rem;
    }

    .expiring-items-title {
        font-size: 0.875rem;
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-sm);
    }
}

/* ============================================
   财务页面
   ============================================ */
.finance-filter {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
    align-items: flex-end;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}
.finance-filter .form-group { margin-bottom: 0; min-width: 130px; flex: 1 1 130px; }
.finance-filter label { display: block; font-size: 0.8rem; margin-bottom: 4px; color: var(--text-secondary); }
.finance-filter select, .finance-filter input[type="date"] {
    width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 4px;
}
.finance-filter .filter-actions { display: flex; gap: 8px; align-items: center; flex: 0 0 auto; }

.section-title { margin: var(--spacing-xl) 0 var(--spacing-md); font-size: 1.1rem; color: var(--text-primary); }

/* 月度趋势图 */
.trend-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 220px;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}
.trend-col { flex: 1; min-width: 36px; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.trend-bar-wrap { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.trend-bar {
    width: 70%;
    min-height: 2px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 4px 4px 0 0;
    transition: height 0.3s ease;
}
.trend-val { font-size: 0.7rem; color: var(--text-secondary); margin-top: 4px; height: 14px; }
.trend-month { font-size: 0.75rem; color: var(--text-secondary); }

/* 分组列 */
.finance-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
@media (max-width: 768px) { .finance-cols { grid-template-columns: 1fr; } }

/* 手机端财务页适配 */
@media (max-width: 768px) {
    .finance-filter {
        flex-wrap: wrap;
        overflow-x: visible;
    }
    .finance-filter .form-group { flex: 1 1 100%; min-width: 0; }
    .finance-filter .filter-actions { flex: 1 1 100%; justify-content: stretch; }
    .finance-filter .filter-actions button,
    .finance-filter .filter-actions a { flex: 1; }
    .trend-chart { height: 180px; gap: 4px; padding: var(--spacing-sm); }
    .trend-col { min-width: 22px; }
    .trend-val { font-size: 0.6rem; }
    .trend-month { font-size: 0.65rem; }
    .section-title { font-size: 1rem; }
}

.empty-hint { color: var(--text-secondary); font-size: 0.9rem; padding: var(--spacing-md) 0; }

/* badge 变体 */
.badge { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 0.78rem; font-weight: 600; }
.badge-soft { background: #eef2ff; color: #4338ca; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-muted { background: #e5e7eb; color: #4b5563; }

/* ============================================
   工具类
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }