/* ==========================================================================
   YouTCM - 完整样式表
   中国传统色系 + 完整组件样式
   ============================================================================ */

/* ===== 1. CSS 变量 ===== */
:root {
    /* 主色 - 朱红系列 */
    --tcm-vermilion: #C41A1A;
    --tcm-vermillion-light: #E84A4A;
    --tcm-vermillion-dark: #8B0000;
    --tcm-vermillion-hover: #A81515;
    
    /* 辅助色 */
    --tcm-ochre: #C49A6C;
    --tcm-gold: #B8860B;
    --tcm-gold-light: #D4A84A;
    --tcm-gold-dark: #8A6A0A;
    
    /* 墨色系列 */
    --tcm-ink: #2C1810;
    --tcm-ink-light: #5C4033;
    --tcm-ink-lighter: #8B7355;
    --tcm-ink-lightest: #B5A090;
    
    /* 背景色 */
    --tcm-paper: #F5F0E8;
    --tcm-paper-dark: #E8E0D5;
    --tcm-paper-light: #FAF8F4;
    --tcm-porcelain: #F5F5F0;
    
    /* 状态色 */
    --tcm-jade: #2E8B57;
    --tcm-jade-light: #6B8E7B;
    --tcm-jade-dark: #1E6B3E;
    --tcm-indigo: #4A6A8A;
    --tcm-indigo-light: #6A8AAA;
    --tcm-indigo-dark: #3A5A7A;
    
    /* 边框和阴影 */
    --tcm-border: #D4C9B8;
    --tcm-border-light: #E8E0D5;
    --tcm-shadow: rgba(44, 24, 16, 0.12);
    --tcm-shadow-hover: rgba(44, 24, 16, 0.2);
    
    /* 字体 */
    --tcm-font: "Noto Serif SC", "华文楷体", "KaiTi", "SimSun", serif;
    --tcm-font-sans: "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ===== 2. Reset 和基础 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--tcm-font);
    background-color: var(--tcm-paper);
    color: var(--tcm-ink);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--tcm-vermilion);
    text-decoration: none;
    transition: color 0.3s;
}
a:hover {
    color: var(--tcm-vermillion-dark);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== 3. 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--tcm-paper-dark);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: var(--tcm-ink-lighter);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--tcm-ink-light);
}

/* ===== 4. 容器 ===== */
.tcm-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.tcm-container-sm {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 5. 排版 ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.3;
}

h1 {
    font-size: 2.2rem;
    color: var(--tcm-vermilion);
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
    border-bottom: 3px solid var(--tcm-vermilion);
}
h1::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--tcm-gold);
}
h1.no-border {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 10px;
}
h1.no-border::after {
    display: none;
}

h2 {
    font-size: 1.5rem;
    color: var(--tcm-ink);
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 4px solid var(--tcm-vermilion);
}
h2.no-border {
    border-left: none;
    padding-left: 0;
}

h3 {
    font-size: 1.2rem;
    color: var(--tcm-ink-light);
    margin-bottom: 15px;
}

h4 {
    font-size: 1rem;
    color: var(--tcm-ink);
    margin-bottom: 10px;
}

p {
    margin-bottom: 10px;
    color: var(--tcm-ink-light);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* ===== 6. 导航 ===== */
#nav {
    background: var(--tcm-ink);
    color: var(--tcm-paper);
    padding: 12px 30px;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
#nav a {
    color: var(--tcm-gold);
    text-decoration: none;
    transition: color 0.3s;
}
#nav a:hover {
    color: #FFD700;
    text-decoration: none;
}
#nav i {
    margin: 0 6px;
    font-size: 0.7rem;
    color: var(--tcm-ink-lighter);
}
#nav .nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
#nav .nav-right a {
    color: var(--tcm-paper-dark);
    font-size: 0.85rem;
}
#nav .nav-right a:hover {
    color: #fff;
}

/* ===== 7. 卡片 ===== */
.tcm-card {
    background: var(--tcm-porcelain);
    border: 1px solid var(--tcm-border);
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px var(--tcm-shadow);
    position: relative;
    transition: box-shadow 0.3s, transform 0.3s;
}
.tcm-card:hover {
    box-shadow: 0 6px 30px var(--tcm-shadow-hover);
}
.tcm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tcm-vermilion), var(--tcm-gold));
    border-radius: 8px 8px 0 0;
}
.tcm-card-sm {
    max-width: 500px;
    margin: 30px auto;
}
.tcm-card-no-header::before {
    display: none;
}

/* ===== 8. 表单 ===== */
.tcm-form .form-group {
    margin-bottom: 20px;
}
.tcm-form label {
    display: block;
    font-weight: 600;
    color: var(--tcm-ink);
    margin-bottom: 6px;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
}
.tcm-form label .required {
    color: var(--tcm-vermilion);
    margin-left: 3px;
}
.tcm-form .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--tcm-border);
    border-radius: 4px;
    background: #FFFFFF;
    color: var(--tcm-ink);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}
.tcm-form .form-control:focus {
    outline: none;
    border-color: var(--tcm-vermilion);
    box-shadow: 0 0 0 3px rgba(196, 26, 26, 0.12);
}
.tcm-form .form-control::placeholder {
    color: var(--tcm-ink-lightest);
}
.tcm-form .form-control.error {
    border-color: var(--tcm-vermilion);
    box-shadow: 0 0 0 3px rgba(196, 26, 26, 0.15);
}
.tcm-form .form-control.success {
    border-color: var(--tcm-jade);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.15);
}
.tcm-form textarea.form-control {
    resize: vertical;
    min-height: 100px;
}
.tcm-form .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.tcm-form .form-row .full-width {
    grid-column: 1 / -1;
}
.tcm-form .form-hint {
    font-size: 0.8rem;
    color: var(--tcm-ink-lighter);
    margin-top: 4px;
}
.tcm-form .form-note {
    color: var(--tcm-ink-lighter);
    font-size: 0.85rem;
    margin-top: 10px;
    padding: 10px 16px;
    background: var(--tcm-paper);
    border-radius: 4px;
    border-left: 3px solid var(--tcm-gold);
}
.tcm-form .password-hint {
    font-size: 0.8rem;
    color: var(--tcm-ink-lighter);
    margin-top: 4px;
}

/* ===== 9. 折叠面板 ===== */
.form-section {
    margin-bottom: 25px;
    border: 1px solid var(--tcm-border);
    border-radius: 6px;
    overflow: hidden;
}
.form-section-title {
    background: linear-gradient(135deg, var(--tcm-ink), var(--tcm-ink-light));
    color: var(--tcm-paper);
    padding: 14px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s;
    user-select: none;
}
.form-section-title:hover {
    background: linear-gradient(135deg, var(--tcm-ink-light), var(--tcm-ink));
}
.form-section-title i {
    margin-right: 8px;
}
.form-section-title .icon-chevron-down,
.form-section-title .icon-chevron-up {
    font-size: 0.8rem;
    transition: transform 0.3s;
}
.form-section-title .icon-chevron-up {
    display: none;
}
.form-section-title.expanded .icon-chevron-down {
    display: none;
}
.form-section-title.expanded .icon-chevron-up {
    display: inline;
}
.collapse-content {
    padding: 20px 25px;
    background: var(--tcm-paper);
    transition: all 0.3s ease;
}
.collapse-content.collapsed {
    display: none;
}

/* ===== 10. 按钮 ===== */
.tcm-btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-align: center;
}
.tcm-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}
.tcm-btn-primary {
    background: var(--tcm-vermilion);
    color: #FFFFFF;
}
.tcm-btn-primary:hover:not(:disabled) {
    background: var(--tcm-vermillion-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 26, 26, 0.3);
    text-decoration: none;
}
.tcm-btn-secondary {
    background: var(--tcm-ink);
    color: var(--tcm-paper);
}
.tcm-btn-secondary:hover:not(:disabled) {
    background: var(--tcm-ink-light);
    transform: translateY(-2px);
    text-decoration: none;
}
.tcm-btn-outline {
    background: transparent;
    color: var(--tcm-vermilion);
    border: 2px solid var(--tcm-vermilion);
}
.tcm-btn-outline:hover:not(:disabled) {
    background: var(--tcm-vermilion);
    color: #FFFFFF;
    transform: translateY(-2px);
    text-decoration: none;
}
.tcm-btn-success {
    background: var(--tcm-jade);
    color: #FFFFFF;
}
.tcm-btn-success:hover:not(:disabled) {
    background: var(--tcm-jade-dark);
    transform: translateY(-2px);
    text-decoration: none;
}
.tcm-btn-danger {
    background: #A52A2A;
    color: #FFFFFF;
}
.tcm-btn-danger:hover:not(:disabled) {
    background: #7A1F1F;
    transform: translateY(-2px);
    text-decoration: none;
}
.tcm-btn-warning {
    background: var(--tcm-gold);
    color: #FFFFFF;
}
.tcm-btn-warning:hover:not(:disabled) {
    background: var(--tcm-gold-dark);
    transform: translateY(-2px);
    text-decoration: none;
}
.tcm-btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}
.tcm-btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}
.tcm-btn-block {
    width: 100%;
    display: block;
    text-align: center;
}
.btn-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}
.btn-group .tcm-btn {
    flex: 0 1 auto;
}

/* ===== 11. 提示框 ===== */
.tcm-alert {
    padding: 14px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid;
    font-size: 0.95rem;
    display: none;
}
.tcm-alert.visible {
    display: block;
}
.tcm-alert i {
    margin-right: 8px;
}
.tcm-alert-success {
    background: #F0F7F0;
    border-color: var(--tcm-jade);
    color: #1E5A3A;
}
.tcm-alert-danger {
    background: #FDF0EF;
    border-color: var(--tcm-vermilion);
    color: #7A1A1A;
}
.tcm-alert-info {
    background: #F0F4F8;
    border-color: var(--tcm-indigo);
    color: #2A4A6A;
}
.tcm-alert-warning {
    background: #FDF8F0;
    border-color: var(--tcm-gold);
    color: #7A6A1A;
}
.tcm-alert-success i { color: var(--tcm-jade); }
.tcm-alert-danger i { color: var(--tcm-vermilion); }
.tcm-alert-info i { color: var(--tcm-indigo); }
.tcm-alert-warning i { color: var(--tcm-gold); }

/* ===== 12. 徽章 ===== */
.tcm-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.tcm-badge-pending {
    background: #FDF8E0;
    color: #8A7A1A;
}
.tcm-badge-approved {
    background: #E0F5E0;
    color: #1E6A3A;
}
.tcm-badge-rejected {
    background: #FDE0E0;
    color: #7A1A1A;
}
.tcm-badge-completed {
    background: #E0EEF5;
    color: #1A4A6A;
}
.tcm-badge-cancelled {
    background: #F0E0E0;
    color: #6A3A3A;
}
.tcm-badge-hidden {
    background: #F0F0F0;
    color: #999;
}
.tcm-badge-deleted {
    background: #FDE0E0;
    color: #7A1A1A;
}

/* ===== 13. 状态徽章 ===== */
.status-badge {
    display: inline-block;
    padding: 3px 14px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-pending { background: #FDF8E0; color: #8A7A1A; }
.status-approved { background: #E0F5E0; color: #1E6A3A; }
.status-rejected { background: #FDE0E0; color: #7A1A1A; }
.status-completed { background: #E0EEF5; color: #1A4A6A; }
.status-cancelled { background: #F0E0E0; color: #6A3A3A; }
.status-hidden { background: #F0F0F0; color: #999; }
.status-deleted { background: #FDE0E0; color: #7A1A1A; }

/* ===== 14. 文件上传 ===== */
.tcm-file-upload {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}
.tcm-file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0.1px;
    height: 0.1px;
    z-index: -1;
}
.tcm-file-upload .file-label {
    display: inline-block;
    padding: 10px 24px;
    background: var(--tcm-vermilion);
    color: #FFFFFF;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
    font-size: 0.95rem;
}
.tcm-file-upload .file-label:hover {
    background: var(--tcm-vermillion-dark);
}
.tcm-file-upload .file-name {
    color: var(--tcm-ink-lighter);
    font-size: 0.9rem;
}
.tcm-file-upload .file-preview {
    max-width: 120px;
    max-height: 120px;
    border: 2px solid var(--tcm-border);
    border-radius: 4px;
    object-fit: cover;
    margin-top: 5px;
}

/* ===== 15. 表格 ===== */
.tcm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.tcm-table th {
    background: var(--tcm-ink);
    color: var(--tcm-paper);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.tcm-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--tcm-border);
    vertical-align: middle;
}
.tcm-table tr:hover td {
    background: rgba(196, 26, 26, 0.04);
}
.tcm-table .avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--tcm-border);
}
.tcm-table .text-center {
    text-align: center;
}
.tcm-table .text-right {
    text-align: right;
}
.tcm-table .empty-row td {
    text-align: center;
    padding: 40px 0;
    color: var(--tcm-ink-lighter);
}
.tcm-table .actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.tcm-table .actions .btn-sm {
    padding: 4px 12px;
    border: none;
    border-radius: 3px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
    transition: all 0.3s;
}
.tcm-table .actions .btn-sm:hover {
    text-decoration: none;
}

/* ===== 16. 评分星星 ===== */
.tcm-stars {
    color: var(--tcm-gold);
    font-size: 1.1rem;
    letter-spacing: 2px;
}
.tcm-stars .empty {
    color: #ddd;
}

/* ===== 17. 头像 ===== */
.tcm-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--tcm-gold);
    flex-shrink: 0;
    background: var(--tcm-paper-dark);
}
.tcm-avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--tcm-border);
}
.tcm-avatar-lg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--tcm-gold);
}

/* ===== 18. 列表项 ===== */
.tcm-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f0ebe3;
}
.tcm-list-item:last-child {
    border-bottom: none;
}
.tcm-list-item .info {
    flex: 1;
}
.tcm-list-item .info .name {
    font-weight: 600;
    color: var(--tcm-ink);
}
.tcm-list-item .info .sub {
    font-size: 0.85rem;
    color: var(--tcm-ink-lighter);
}
.tcm-list-item .info .stars {
    font-size: 0.85rem;
    color: var(--tcm-gold);
}

/* ===== 19. 统计卡片 ===== */
.tcm-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}
.tcm-stat-card {
    background: #fff;
    border: 1px solid var(--tcm-border);
    border-radius: 10px;
    padding: 18px 20px;
    text-align: center;
    transition: all 0.3s;
}
.tcm-stat-card:hover {
    border-color: var(--tcm-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--tcm-shadow);
}
.tcm-stat-card .number {
    font-size: 1.8rem;
    font-weight: 700;
}
.tcm-stat-card .number.vermilion { color: var(--tcm-vermilion); }
.tcm-stat-card .number.gold { color: var(--tcm-gold); }
.tcm-stat-card .number.jade { color: var(--tcm-jade); }
.tcm-stat-card .number.indigo { color: var(--tcm-indigo); }
.tcm-stat-card .number.ink { color: var(--tcm-ink); }
.tcm-stat-card .label {
    font-size: 0.8rem;
    color: var(--tcm-ink-lighter);
}
.tcm-stat-card .icon {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 2px;
}

/* ===== 20. 个人资料头部 ===== */
.tcm-profile-header {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--tcm-border);
    margin-bottom: 25px;
}
.tcm-profile-header .avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--tcm-gold);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--tcm-paper-dark);
}
.tcm-profile-header .info {
    flex: 1;
    min-width: 250px;
}
.tcm-profile-header .info .name {
    font-size: 1.8rem;
    color: var(--tcm-vermilion);
    margin-bottom: 5px;
}
.tcm-profile-header .info .title {
    color: var(--tcm-ink-lighter);
    font-size: 1rem;
    margin-bottom: 10px;
}
.tcm-profile-header .info .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    color: var(--tcm-ink-light);
    font-size: 0.9rem;
}
.tcm-profile-header .info .meta i {
    margin-right: 4px;
    color: var(--tcm-gold);
}

/* ===== 21. 加载状态 ===== */
.tcm-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--tcm-border);
    border-top-color: var(--tcm-vermilion);
    border-radius: 50%;
    animation: tcm-spin 0.8s linear infinite;
}
@keyframes tcm-spin {
    to { transform: rotate(360deg); }
}
.tcm-loading-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--tcm-ink-lighter);
    padding: 20px 0;
    justify-content: center;
}

/* ===== 22. 空状态 ===== */
.tcm-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--tcm-ink-lighter);
}
.tcm-empty .icon {
    font-size: 3rem;
    color: var(--tcm-border);
    display: block;
    margin-bottom: 12px;
}
.tcm-empty h3 {
    color: var(--tcm-ink);
    margin-bottom: 4px;
}
.tcm-empty p {
    font-size: 0.95rem;
}

/* ===== 23. 工具类 ===== */
.tcm-mt-10 { margin-top: 10px; }
.tcm-mt-20 { margin-top: 20px; }
.tcm-mt-30 { margin-top: 30px; }
.tcm-mb-10 { margin-bottom: 10px; }
.tcm-mb-20 { margin-bottom: 20px; }
.tcm-mb-30 { margin-bottom: 30px; }
.tcm-p-20 { padding: 20px; }
.tcm-p-30 { padding: 30px; }

.tcm-flex { display: flex; }
.tcm-flex-center { display: flex; align-items: center; justify-content: center; }
.tcm-flex-between { display: flex; justify-content: space-between; align-items: center; }
.tcm-flex-wrap { flex-wrap: wrap; }
.tcm-gap-10 { gap: 10px; }
.tcm-gap-15 { gap: 15px; }
.tcm-gap-20 { gap: 20px; }

.tcm-hidden { display: none !important; }
.tcm-visible { display: block !important; }

/* ===== 24. 响应式 ===== */
@media (max-width: 992px) {
    .tcm-profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .tcm-profile-header .info .meta {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tcm-card {
        padding: 20px;
    }
    .tcm-form .form-row {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 1.6rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    #nav {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
    #nav .nav-right {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
        margin-top: 4px;
    }
    .tcm-file-upload {
        flex-direction: column;
        align-items: stretch;
    }
    .tcm-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tcm-table {
        font-size: 0.8rem;
    }
    .tcm-table th,
    .tcm-table td {
        padding: 6px 8px;
    }
    .btn-group {
        flex-direction: column;
    }
    .btn-group .tcm-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .tcm-card {
        padding: 15px;
    }
    .tcm-form .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .form-section-title {
        font-size: 0.9rem;
        padding: 12px 16px;
    }
    .collapse-content {
        padding: 15px;
    }
    .tcm-stat-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .tcm-stat-card .number {
        font-size: 1.4rem;
    }
    .tcm-profile-header .avatar {
        width: 80px;
        height: 80px;
    }
    .tcm-profile-header .info .name {
        font-size: 1.4rem;
    }
}

/* ===== 25. 打印样式 ===== */
@media print {
    #nav {
        display: none;
    }
    .tcm-btn,
    .btn-group {
        display: none !important;
    }
    .tcm-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    .tcm-card::before {
        display: none;
    }
    body {
        background: #fff;
        color: #000;
    }
}