/**
 * CmsPro 论坛专属样式
 * 传统论坛风格（Discuz 风格），继承 home.css 的 CSS 变量体系
 * 全端响应式：1024px(平板) / 768px(手机) / 480px(小屏手机)
 */

/* ========================================
   全局基础
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* ========================================
   论坛布局
   ======================================== */
.forum-container {
    max-width: 1200px;
    margin: 0 auto;
}

.forum-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.forum-main {
    flex: 1;
    min-width: 0;
}

.forum-content {
    flex: 1;
    min-width: 0;
}

.forum-sidebar {
    width: 300px;
    flex-shrink: 0;
    align-self: stretch;
}

/* ========================================
   头部导航
   ======================================== */
.forum-header {
    background: #fff;
    border-bottom: 1px solid var(--border, #e5e7eb);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow 0.2s;
}

.forum-header.scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.forum-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.forum-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none !important;
    color: var(--text, #1e293b);
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.forum-logo:hover { color: var(--primary, #2563eb); }

.forum-logo-icon {
    font-size: 24px;
}

.forum-logo-text {
    font-size: 18px;
    font-weight: 700;
}

.forum-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.forum-nav-link {
    padding: 6px 14px;
    font-size: 14px;
    color: #64748b;
    text-decoration: none !important;
    border-radius: 6px;
    transition: all 0.15s;
    white-space: nowrap;
}

.forum-nav-link:hover {
    color: var(--primary, #2563eb);
    background: rgba(37, 99, 235, 0.06);
}

.forum-nav-link.active {
    color: var(--primary, #2563eb);
    font-weight: 600;
    background: rgba(37, 99, 235, 0.08);
}

/* 搜索框 */
.forum-header-search {
    flex-shrink: 0;
}

.forum-search-form {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.forum-search-form:focus-within {
    border-color: var(--primary, #2563eb);
    background: #fff;
}

.forum-search-input {
    border: none;
    outline: none;
    background: transparent;
    padding: 6px 12px;
    font-size: 13px;
    width: 160px;
    color: #334155;
}

.forum-search-input::placeholder { color: #94a3b8; }

.forum-search-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 6px 10px;
    font-size: 14px;
}

/* 用户操作区 */
.forum-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.forum-user-link {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none !important;
    color: #334155;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.15s;
}

.forum-user-link:hover { background: #f1f5f9; }

.forum-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: #94a3b8;
}

.forum-user-avatar-default {
    background: #dbeafe;
    color: var(--primary);
}

.forum-user-avatar-lg {
    width: 48px;
    height: 48px;
    font-size: 18px;
}

.forum-user-name {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 用户下拉菜单 */
.forum-user-dropdown {
    position: relative;
}

.forum-user-dropdown-toggle {
    cursor: pointer;
}

.forum-user-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border: 1px solid #e2e8f0;
    padding: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
    z-index: 100;
}

.forum-user-dropdown.open .forum-user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.forum-user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    color: #334155;
    text-decoration: none;
    border: none;
    background: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
    font-family: inherit;
    line-height: 1.4;
}

.forum-user-dropdown-item:hover {
    background: #f1f5f9;
}

.forum-user-dropdown-item-danger {
    color: #dc2626;
}

.forum-user-dropdown-item-danger:hover {
    background: #fef2f2;
}

.forum-logout-form {
    display: inline;
}

/* 移动端菜单按钮 */
.forum-mobile-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.forum-mobile-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: #475569;
    border-radius: 2px;
    transition: all 0.25s;
}

.forum-mobile-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.forum-mobile-btn.active span:nth-child(2) { opacity: 0; }
.forum-mobile-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.forum-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 99;
}
.forum-mobile-overlay.active { display: block; }

/* 页脚 */
.forum-footer {
    background: #f8fafc;
    border-top: 1px solid #f1f5f9;
    padding: 24px 0;
    margin-top: 40px;
    text-align: center;
    font-size: 13px;
    color: #94a3b8;
}

.forum-footer-sub {
    margin-top: 4px;
    font-size: 12px;
}

/* ========================================
   侧边栏
   ======================================== */
.forum-sidebar-block {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 16px;
    margin-bottom: 16px;
}

.forum-sidebar-title {
    font-size: 15px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
}

.forum-sidebar-user {
    text-align: center;
}

.forum-sidebar-user-avatar {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.forum-sidebar-user-info { margin-bottom: 12px; }

.forum-sidebar-user-name {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    text-decoration: none !important;
}

.forum-sidebar-user-sig {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

.forum-sidebar-login p {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 12px;
}

.forum-sidebar-categories {
    list-style: none;
    padding: 0;
    margin: 0;
}

.forum-sidebar-categories li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid #f8fafc;
    font-size: 13px;
}

.forum-sidebar-categories li:last-child { border-bottom: none; }

.forum-sidebar-categories a {
    color: #475569;
    text-decoration: none !important;
    transition: color 0.15s;
}
.forum-sidebar-categories a:hover { color: var(--primary, #2563eb); }

.forum-sidebar-sub { padding-left: 16px; }

.forum-sidebar-cat-count {
    font-size: 12px;
    color: #94a3b8;
    background: #f1f5f9;
    padding: 1px 8px;
    border-radius: 10px;
}

.forum-sidebar-stats {
    list-style: none;
    padding: 0;
    margin: 0;
}

.forum-sidebar-stats li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f8fafc;
    font-size: 13px;
}

.forum-sidebar-stats li:last-child { border-bottom: none; }

.forum-sidebar-stats strong {
    color: #1e293b;
    font-weight: 600;
}

/* ========================================
   按钮组件（兼容 .btn 类名）
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    font-size: 13px;
    line-height: 1.4;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none !important;
    border: 1px solid transparent;
    white-space: nowrap;
    font-family: inherit;
}

.btn:hover { text-decoration: none !important; }

.btn-primary {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}
.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.btn-outline {
    background: transparent;
    color: #475569;
    border-color: #d1d5db;
}
.btn-outline:hover {
    border-color: #2563eb;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.04);
}

.btn-sm { padding: 5px 14px; font-size: 12px; }
.btn-block { width: 100%; }

/* ========================================
   版块列表
   ======================================== */
.category-list {
    margin-bottom: 16px;
}

.category-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}

.category-header:hover {
    background: #f1f5f9;
}

.category-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-name .category-icon {
    font-size: 18px;
    color: var(--primary);
}

.category-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.category-stats {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.category-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.category-stats .stat-num {
    font-weight: 600;
    color: var(--text);
}

.category-body {
    padding: 0;
}

/* 版块子项 */
.forum-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

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

.forum-item:hover {
    background: var(--bg-gray);
}

.forum-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
    font-size: 18px;
    color: var(--primary);
}

.forum-info {
    flex: 1;
    min-width: 0;
}

.forum-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
}

.forum-title:hover {
    color: var(--primary);
}

.forum-description {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-meta {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
    text-align: center;
}

.forum-meta .meta-num {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
}

.forum-last-post {
    width: 200px;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
}

.forum-last-post .last-post-title {
    display: block;
    color: var(--text);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-last-post .last-post-title:hover {
    color: var(--primary);
}

.forum-last-post .last-post-time {
    color: var(--text-light);
    margin-top: 2px;
}

/* ========================================
   内容区块容器
   ======================================== */
.forum-section {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 20px;
    margin-bottom: 16px;
}

.forum-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.forum-section-title {
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.forum-section-desc {
    font-size: 13px;
    color: #94a3b8;
    margin-left: 12px;
}

.forum-section-more {
    font-size: 13px;
    color: #94a3b8;
    text-decoration: none !important;
}
.forum-section-more:hover { color: var(--primary, #2563eb); }

/* 排序选项 */
.forum-sort-options {
    display: flex;
    gap: 4px;
}
.forum-sort-link {
    padding: 4px 12px;
    font-size: 13px;
    color: #64748b;
    text-decoration: none !important;
    border-radius: 14px;
    transition: all 0.15s;
}
.forum-sort-link:hover {
    color: #334155;
    background: #f1f5f9;
}
.forum-sort-link.active {
    color: #fff;
    background: #2563eb;
    font-weight: 500;
}

/* ========================================
   帖子列表项（首页/版块页）
   ======================================== */
.forum-category-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 24px;
    margin-bottom: 16px;
}

.forum-category-info { flex: 1; min-width: 0; }
.forum-category-name {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 6px;
}
.forum-category-desc {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.forum-category-stats {
    display: flex;
    gap: 24px;
    flex-shrink: 0;
    align-items: center;
}
.forum-category-stat {
    text-align: center;
}
.forum-category-stat strong {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
}
.forum-category-stat span {
    font-size: 12px;
    color: #94a3b8;
}

.forum-category-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

/* 子版块 */
.forum-sub-categories {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8fafc;
    border-radius: var(--radius, 8px);
    margin-bottom: 16px;
    font-size: 13px;
}
.forum-sub-label { color: #64748b; white-space: nowrap; }
.forum-sub-link {
    color: #475569;
    text-decoration: none !important;
    padding: 3px 10px;
    border-radius: 12px;
    transition: all 0.15s;
}
.forum-sub-link:hover {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
}

/* ========================================
   帖子详情页
   ======================================== */
.forum-topic-detail {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 28px;
    margin-bottom: 16px;
}

.forum-topic-detail-header { margin-bottom: 18px; }
.forum-topic-detail-title {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    margin: 0 0 10px;
    word-break: break-word;
}

.forum-topic-detail-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: #64748b;
}

.forum-topic-author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none !important;
    color: #334155;
    font-weight: 500;
}
.forum-topic-author:hover { color: #2563eb; }

.forum-topic-cat a { color: #64748b; text-decoration: none !important; }
.forum-topic-cat a:hover { color: #2563eb; }

.forum-topic-time,
.forum-topic-stat {
    color: #94a3b8;
    font-size: 13px;
}

.forum-topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.forum-topic-detail-content {
    font-size: 15px;
    line-height: 1.8;
    color: #334155;
    margin-bottom: 18px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 操作按钮 */
.forum-topic-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
}

.forum-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 13px;
    color: #64748b;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none !important;
    line-height: 1.4;
    font-family: inherit;
}
.forum-action-btn:hover {
    color: #2563eb;
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.04);
}
.forum-action-btn.active {
    color: #2563eb;
    border-color: #93c5fd;
    background: #eff6ff;
}

/* 头像尺寸 */
.forum-avatar-sm {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}
.forum-avatar-md {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.forum-user-avatar-sm {
    width: 24px;
    height: 24px;
    font-size: 11px;
}
.forum-user-avatar-md {
    width: 40px;
    height: 40px;
    font-size: 16px;
}

/* ========================================
   回复列表
   ======================================== */
.forum-replies-section {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 24px;
    margin-bottom: 16px;
}

.forum-reply-list {
    /* 回复项容器 */
}

.forum-reply-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid #f1f5f9;
}
.forum-reply-item:first-child { padding-top: 0; }
.forum-reply-item:last-child { border-bottom: none; }
.forum-reply-best {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: -1px;
}

.forum-reply-floor {
    width: 32px;
    flex-shrink: 0;
    text-align: center;
    padding-top: 2px;
}
.forum-floor-num {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #94a3b8;
}

.forum-reply-avatar {
    flex-shrink: 0;
}

.forum-reply-body {
    flex: 1;
    min-width: 0;
}

.forum-reply-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.forum-reply-author {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    text-decoration: none !important;
}
.forum-reply-author:hover { color: #2563eb; }
.forum-reply-time {
    font-size: 12px;
    color: #94a3b8;
}

.forum-reply-content {
    font-size: 14px;
    line-height: 1.7;
    color: #334155;
    margin-bottom: 10px;
    word-wrap: break-word;
}

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

.forum-reply-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 10px;
    font-size: 12px;
    color: #94a3b8;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.5;
    font-family: inherit;
}
.forum-reply-action-btn:hover {
    color: #2563eb;
    border-color: #93c5fd;
    background: #eff6ff;
}
.forum-btn-accept {
    color: #16a34a !important;
    border-color: #86efac !important;
}
.forum-btn-accept:hover {
    background: #f0fdf4 !important;
}

/* 子回复 */
.forum-sub-replies {
    margin-top: 12px;
    padding: 12px 14px;
    background: #f8fafc;
    border-radius: 6px;
    border: 1px solid #f1f5f9;
}

.forum-sub-reply-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
}
.forum-sub-reply-item:last-child { border-bottom: none; }

.forum-sub-reply-avatar { flex-shrink: 0; }

.forum-sub-reply-body {
    flex: 1;
    min-width: 0;
    font-size: 13px;
}
.forum-sub-reply-author {
    font-weight: 600;
    color: #1e293b;
    text-decoration: none !important;
    font-size: 13px;
}
.forum-sub-reply-author:hover { color: #2563eb; }
.forum-sub-reply-time {
    color: #94a3b8;
    font-size: 12px;
    margin: 0 8px 0 4px;
}
.forum-sub-reply-content {
    margin: 4px 0 6px;
    line-height: 1.6;
    color: #475569;
    font-size: 13px;
}

/* 子回复表单 */
.forum-sub-reply-form-wrap {
    margin-top: 10px;
}
.forum-sub-reply-form textarea {
    resize: vertical;
    min-height: 40px;
}
.forum-sub-reply-textarea {
    font-size: 13px;
    padding: 8px 10px;
}
.forum-sub-reply-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

/* 回复表单 */
.forum-reply-form-section {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 24px;
    margin-bottom: 16px;
}

.forum-reply-form textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 12px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.forum-reply-form textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.forum-reply-textarea::placeholder { color: #94a3b8; }

.forum-reply-form-actions {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
}

.forum-reply-login {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 30px;
    text-align: center;
    color: #64748b;
    font-size: 14px;
}
.forum-reply-login a {
    color: #2563eb;
    text-decoration: none !important;
    font-weight: 500;
}

/* 侧边栏帖子列表 */
.forum-sidebar-topics {
    list-style: none;
    padding: 0;
    margin: 0;
}
.forum-sidebar-topics li {
    padding: 8px 0;
    border-bottom: 1px solid #f8fafc;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.forum-sidebar-topics li:last-child { border-bottom: none; }
.forum-sidebar-topics a {
    color: #475569;
    text-decoration: none !important;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}
.forum-sidebar-topics a:hover { color: #2563eb; }
.forum-sidebar-topic-stat {
    font-size: 12px;
    color: #94a3b8;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 版块侧边栏信息 */
.forum-sidebar-category-info p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.6;
    margin: 0 0 10px;
}

/* ========================================
   表单样式（发帖/编辑页）
   ======================================== */
.forum-form-section {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 24px;
    margin-bottom: 16px;
}

.forum-form-group {
    margin-bottom: 18px;
}

.forum-form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.forum-required {
    color: #ef4444;
    margin-left: 2px;
}

.forum-form-input {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    color: #334155;
}
.forum-form-input::placeholder { color: #94a3b8; }
.forum-form-input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.forum-form-input-sm {
    max-width: 200px;
}

.forum-form-select {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    color: #334155;
    background-color: #fff;
    cursor: pointer;
}
.forum-form-select:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.forum-form-hint {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

.forum-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
    margin-top: 20px;
}

/* 标签选择 */
.forum-tag-select {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.forum-tag-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    font-size: 13px;
    color: #64748b;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.forum-tag-checkbox input[type="checkbox"] {
    display: none;
}
.forum-tag-checkbox:hover {
    border-color: #93c5fd;
    background: #eff6ff;
}
.forum-tag-checkbox.checked {
    color: #2563eb;
    background: #eff6ff;
    border-color: #93c5fd;
    font-weight: 500;
}

/* 发帖须知 */
.forum-sidebar-tips ul {
    list-style: disc;
    padding-left: 18px;
    margin: 0;
}
.forum-sidebar-tips li {
    font-size: 13px;
    color: #64748b;
    line-height: 2;
}

/* ========================================
   搜索页
   ======================================== */
.forum-search-section {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 24px;
    margin-bottom: 16px;
}

.forum-search-bar { margin-bottom: 20px; }

.forum-search-full {
    display: flex;
    gap: 10px;
}

.forum-search-input-group {
    flex: 1;
    display: flex;
}

.forum-search-full-input {
    flex: 1;
    border: 2px solid #2563eb;
    border-right: none;
    border-radius: 8px 0 0 8px;
    padding: 12px 16px;
    font-size: 15px;
    outline: none;
    box-sizing: border-box;
}
.forum-search-full-input::placeholder { color: #94a3b8; }

.forum-search-filters {
    display: flex;
    gap: 10px;
    align-items: center;
}

.forum-filter-select {
    width: auto;
    min-width: 140px;
    padding: 9px 12px;
}

.forum-search-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 16px;
}

.forum-empty-hint {
    font-size: 13px;
    color: #94a3b8;
    margin-top: 6px;
}

.forum-search-hot {
    /* 热门标签区域 */
}

.forum-sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ========================================
   用户主页
   ======================================== */
.forum-user-profile {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 28px;
    margin-bottom: 16px;
}

.forum-user-profile-header {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.forum-user-profile-avatar { flex-shrink: 0; }
.forum-user-avatar-xl {
    width: 72px;
    height: 72px;
    font-size: 28px;
}

.forum-user-profile-info { flex: 1; min-width: 0; }
.forum-user-profile-name {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 4px;
}
.forum-user-profile-sig {
    font-size: 14px;
    color: #64748b;
    margin: 0 0 8px;
}
.forum-user-profile-meta {
    font-size: 13px;
    color: #94a3b8;
    margin: 0;
}

.forum-user-profile-stats {
    display: flex;
    gap: 32px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid #f1f5f9;
}

.forum-user-stat {
    text-align: center;
}
.forum-user-stat strong {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
}
.forum-user-stat span {
    font-size: 12px;
    color: #94a3b8;
}

.forum-user-badges {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid #f1f5f9;
}
.forum-user-badges-title {
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    margin: 0 0 10px;
}
.forum-user-badges-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.forum-badge-user {
    background: #fef3c7;
    color: #92400e;
    cursor: default;
}

/* 侧边栏勋章墙 */
.forum-sidebar-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.forum-sidebar-badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
}
.forum-sidebar-badge-icon {
    font-size: 18px;
    flex-shrink: 0;
}
.forum-sidebar-badge-name {
    color: #475569;
    text-decoration: none !important;
}

/* ========================================
   登录/注册页
   ======================================== */
.forum-auth-section {
    max-width: 480px;
    margin: 40px auto;
}

.forum-auth-card {
    background: #fff;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 36px 32px;
}

.forum-auth-header {
    text-align: center;
    margin-bottom: 28px;
}
.forum-auth-title {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 6px;
}
.forum-auth-subtitle {
    font-size: 14px;
    color: #94a3b8;
    margin: 0;
}

.forum-auth-form {
    /* 继承表单样式 */
}

.forum-auth-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid #f1f5f9;
    font-size: 13px;
    color: #64748b;
}
.forum-auth-footer a {
    color: #2563eb;
    text-decoration: none !important;
    font-weight: 500;
}

/* 表单行内布局 */
.forum-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.forum-form-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 13px;
    color: #64748b;
    user-select: none;
}
.forum-form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #2563eb;
}

/* ========================================
   首页 Tab 排序
   ======================================== */
.forum-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0px 0px 15px;
}

.forum-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 20px;
    font-size: 14px;
    color: #64748b;
    text-decoration: none !important;
    border-radius: 20px;
    transition: all 0.2s ease;
    background: transparent;
    border: 1px solid transparent;
    line-height: 1.4;
}

.forum-tab:hover {
    background: #f1f5f9;
    color: #334155;
    border-color: #e2e8f0;
}

.forum-tab.active {
    background: #2563eb;
    color: #ffffff;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

/* ========================================
   帖子列表项（首页列表样式）
   ======================================== */
.forum-topic-list {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.forum-topic-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
    gap: 16px;
}

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

.forum-topic-item:hover {
    background: var(--bg-gray);
}

/* 用户头像 */
.forum-topic-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.forum-topic-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.forum-avatar-placeholder {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

/* 帖子信息区 */
.forum-topic-info {
    flex: 1;
    min-width: 0;
}

/* 标题行 */
.forum-topic-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    margin: 0 0 4px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
}

.topic-title-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.forum-topic-title a {
    color: var(--text);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-topic-title a:hover {
    color: var(--primary);
}

/* 元数据行 */
.forum-topic-meta {
    font-size: 13px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.forum-topic-meta a {
    color: #94a3b8;
    text-decoration: none;
}

.forum-topic-meta a:hover {
    color: var(--primary);
}

.meta-cat a {
    color: var(--text-secondary);
}

.meta-author {
    color: var(--text-secondary);
    font-weight: 500;
}

.meta-reply-user {
    color: var(--text-secondary);
}

.meta-sep {
    color: #cbd5e1;
}

.meta-label {
    color: #94a3b8;
}

/* 右侧统计（仅回复数） */
.forum-topic-stats {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.forum-stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #94a3b8;
}

.forum-stat-item em {
    font-style: normal;
    font-size: 15px;
}

.forum-stat-item .stat-num {
    font-weight: 600;
    color: var(--text);
}

/* 帖子标签/徽章 */
.forum-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11px;
    line-height: 1.4;
    flex-shrink: 0;
}

.forum-badge-top {
    background: #fef3c7;
    color: #92400e;
}

.forum-badge-essence {
    background: #fce7f3;
    color: #9d174d;
}

.forum-badge-reward {
    background: #dbeafe;
    color: #1e40af;
}

.forum-badge-tag {
    background: var(--primary-light);
    color: var(--primary);
}

/* ========================================
   管理员操作
   ======================================== */
.forum-admin-actions,
.forum-admin-user-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed #e2e8f0;
}

.forum-admin-label {
    font-size: 12px;
    color: #dc2626;
    font-weight: 600;
    margin-right: 4px;
}

.forum-action-admin {
    color: #dc2626 !important;
    border-color: #fca5a5 !important;
    background: #fef2f2 !important;
}

.forum-action-admin:hover {
    color: #fff !important;
    background: #dc2626 !important;
    border-color: #dc2626 !important;
}

/* 禁言标记 */
.forum-user-banned {
    margin-top: 16px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.forum-badge-banned {
    background: #fee2e2;
    color: #991b1b;
    font-size: 13px;
    padding: 2px 10px;
}

.forum-ban-reason,
.forum-ban-expire {
    font-size: 13px;
    color: #991b1b;
}

/* ========================================
   帖子详情
   ======================================== */
.topic-detail {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.topic-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.topic-header-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.topic-header-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.topic-header-meta .meta-author {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--text);
}

.topic-header-meta .meta-author img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.topic-body {
    padding: 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.topic-body img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 8px 0;
}

.topic-body p {
    margin-bottom: 12px;
}

.topic-body blockquote {
    margin: 12px 0;
    padding: 12px 16px;
    background: var(--bg-gray);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-secondary);
}

.topic-body pre {
    margin: 12px 0;
    padding: 16px;
    background: #1e293b;
    color: #e2e8f0;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
}

.topic-body code {
    padding: 2px 6px;
    background: var(--bg-gray);
    border-radius: 4px;
    font-size: 13px;
}

.topic-body pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.topic-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
}

.topic-body table th,
.topic-body table td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-align: left;
}

.topic-body table th {
    background: var(--bg-gray);
    font-weight: 600;
}

.topic-actions {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    padding: 16px 24px;
}

.topic-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-gray);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.topic-action-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

.topic-action-btn.active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

.topic-action-btn .action-icon {
    font-size: 14px;
}

.topic-action-btn .like-count,
.topic-action-btn .favorite-count {
    font-weight: 600;
}

/* ========================================
   回复列表
   ======================================== */
.reply-list {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.reply-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
}

.reply-item {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

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

.reply-item:hover {
    background: var(--bg-gray);
}

.reply-item.best {
    background: #fffbeb;
    border-left: 3px solid #f59e0b;
}

.reply-item.best:hover {
    background: #fef9e7;
}

.reply-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.reply-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reply-author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.reply-author-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
}

.reply-author-name:hover {
    color: var(--primary);
}

.reply-author-group {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--primary-light);
    color: var(--primary);
}

.reply-floor {
    font-size: 12px;
    color: var(--text-light);
    flex-shrink: 0;
}

.reply-content {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 12px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.reply-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 8px 0;
}

.reply-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.reply-time {
    font-size: 12px;
    color: var(--text-light);
}

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

.reply-action-btn {
    font-size: 12px;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    transition: all 0.15s;
}

.reply-action-btn:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.reply-action-btn.active {
    color: var(--primary);
}

/* 子回复（楼中楼） */
.reply-children {
    margin-left: 40px;
    padding-left: 16px;
    border-left: 2px solid var(--border);
    margin-top: 12px;
}

.reply-children .reply-item {
    padding: 12px 0;
    border-bottom: none;
    border-left: none;
}

.reply-children .reply-item:not(:last-child) {
    border-bottom: 1px dashed var(--border);
}

.reply-children .reply-author-avatar {
    width: 28px;
    height: 28px;
}

/* ========================================
   侧边栏
   ======================================== */
.sidebar-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

.sidebar-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.sidebar-stat {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.sidebar-stat-label {
    color: #64748b;
}

.sidebar-stat-value {
    font-weight: 600;
    color: var(--text);
}

/* 侧边栏公告 */
.sidebar-notice {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.sidebar-notice a:hover {
    text-decoration: underline;
}

/* 侧边栏热门帖子 */
.sidebar-topic-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
}

.sidebar-topic-rank {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: var(--bg-gray);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-topic-rank.top-1 { background: #fef3c7; color: #92400e; }
.sidebar-topic-rank.top-2 { background: #f1f5f9; color: #475569; }
.sidebar-topic-rank.top-3 { background: #fef3c7; color: #b45309; }

.sidebar-topic-title {
    color: var(--text);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.sidebar-topic-title:hover {
    color: var(--primary);
}

/* 侧边栏活跃用户 */
.sidebar-user-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sidebar-user-item {
    position: relative;
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    transition: border-color 0.15s;
}

.sidebar-user-avatar:hover {
    border-color: var(--primary);
}

/* 侧边栏版块推荐 */
.sidebar-forum-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
}

.sidebar-forum-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
    flex-shrink: 0;
}

.sidebar-forum-name {
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    flex: 1;
}

.sidebar-forum-name:hover {
    color: var(--primary);
}

.sidebar-forum-count {
    font-size: 11px;
    color: var(--text-light);
}

/* ========================================
   用户面板
   ======================================== */
.user-panel {
    text-align: center;
    padding: 20px 16px;
}

.user-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 8px;
    display: block;
    object-fit: cover;
    border: 3px solid var(--border);
}

.user-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.user-group {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 12px;
}

.user-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 12px;
}

.user-stat-item {
    text-align: center;
}

.user-stat-num {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.user-stat-label {
    color: var(--text-secondary);
}

/* ========================================
   勋章
   ======================================== */
.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.badge-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-gray);
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.badge-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-icon {
    font-size: 14px;
}

/* ========================================
   分页
   ======================================== */
.forum-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 20px 0;
}

.forum-pagination .page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.forum-pagination .page-item:hover {
    color: var(--primary);
    border-color: var(--primary);
}

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

.forum-pagination .page-item.disabled {
    color: var(--text-light);
    cursor: not-allowed;
    opacity: 0.6;
}

.forum-pagination .page-item.disabled:hover {
    color: var(--text-light);
    border-color: var(--border);
}

.forum-pagination .page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    color: var(--text-light);
}

/* ========================================
   表单
   ======================================== */
.forum-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.forum-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.forum-form label .required {
    color: #ef4444;
    margin-left: 2px;
}

.forum-form input[type="text"],
.forum-form input[type="password"],
.forum-form input[type="email"],
.forum-form input[type="number"],
.forum-form input[type="url"],
.forum-form textarea,
.forum-form select {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    font-family: inherit;
}

.forum-form input:focus,
.forum-form textarea:focus,
.forum-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.forum-form textarea {
    min-height: 200px;
    resize: vertical;
}

.forum-form select {
    appearance: none;
    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='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

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

.forum-form .form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.forum-form .form-error {
    font-size: 12px;
    color: #ef4444;
    margin-top: 4px;
}

.forum-form .form-actions {
    display: flex;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

/* 编辑器工具栏 */
.editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px;
    background: var(--bg-gray);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
}

.editor-toolbar .toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.15s;
}

.editor-toolbar .toolbar-btn:hover {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text);
}

.editor-toolbar .toolbar-separator {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 4px;
    align-self: center;
}

/* ========================================
   按钮
   ======================================== */
.forum-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
    font-family: inherit;
}

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

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

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

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

.forum-btn-danger {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

.forum-btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
    color: #fff;
}

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

.forum-btn-lg {
    padding: 10px 28px;
    font-size: 16px;
}

.forum-btn-block {
    display: flex;
    width: 100%;
}

/* ========================================
   搜索
   ======================================== */
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box input {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text);
    font-family: inherit;
}

.search-box input::placeholder {
    color: var(--text-light);
}

.search-box .search-btn {
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s;
    display: flex;
    align-items: center;
}

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

/* ========================================
   面包屑导航
   ======================================== */
.forum-breadcrumb {
    display: block;
    padding: 0;
    font-size: 13px;
    color: #94a3b8;
}

/* 面包屑内的容器：与主内容区同宽对齐 */
.forum-breadcrumb > .forum-container {
    padding: 5px 20px;
}

.forum-breadcrumb a {
    color: #64748b;
    text-decoration: none !important;
}

.forum-breadcrumb a:hover {
    color: #2563eb;
}

.forum-breadcrumb .separator {
    color: #cbd5e1;
}

.forum-breadcrumb .current {
    color: var(--text);
    font-weight: 500;
}

/* ========================================
   标签
   ======================================== */
.forum-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.forum-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.15s;
}

.forum-tag:hover {
    background: var(--primary);
    color: #fff;
}

/* ========================================
   附件
   ======================================== */
.topic-attachments {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--bg-gray);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}

.topic-attachments-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
}

.attachment-icon {
    color: var(--primary);
    font-size: 16px;
}

.attachment-name {
    color: var(--primary);
    text-decoration: none;
}

.attachment-name:hover {
    text-decoration: underline;
}

.attachment-size {
    color: var(--text-light);
    font-size: 12px;
}

/* ========================================
   提示/通知
   ======================================== */
.forum-alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.forum-alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.forum-alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.forum-alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.forum-alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* 提示消息关闭按钮 */
.forum-alert-close {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    color: currentColor;
    opacity: 0.5;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    transition: opacity 0.15s;
}

.forum-alert-close:hover {
    opacity: 1;
}

/* ========================================
   空状态
   ======================================== */
.forum-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.forum-empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    color: var(--text-light);
}

.forum-empty-text {
    font-size: 14px;
    margin-bottom: 16px;
}

/* ========================================
   用户卡片（帖子内）
   ======================================== */
.post-user-card {
    width: 160px;
    flex-shrink: 0;
    text-align: center;
    padding: 16px;
    border-right: 1px solid var(--border);
}

.post-user-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin-bottom: 8px;
    object-fit: cover;
}

.post-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    display: block;
    margin-bottom: 4px;
}

.post-user-name:hover {
    color: var(--primary);
}

.post-user-level {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-block;
    margin-bottom: 8px;
}

.post-user-info {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   响应式 - 全端适配
   ======================================== */

/* ---------- 平板（<= 1024px）---------- */
@media (max-width: 1024px) {
    .forum-container { padding: 16px; }
    .forum-header-inner { gap: 12px; }

    /* 主布局：侧边栏收窄，允许换行 */
    .forum-layout {
        flex-wrap: wrap;
    }
    .forum-sidebar {
        width: 220px;
        order: 2;
    }

    /* 头部导航：精简 */
    .forum-nav-link { padding: 6px 10px; font-size: 13px; }
    .forum-search-input { width: 130px; font-size: 13px; }

    /* 帖子列表项紧凑化 */
    .forum-topic-item { gap: 10px; padding: 14px 16px; }
    .forum-topic-avatar { width: 40px; height: 40px; }
    .forum-topic-title { font-size: 14px; }
    .forum-topic-meta { font-size: 11px; }

    /* 隐藏次要 meta 信息 */
    .forum-topic-meta .meta-label,
    .forum-topic-meta .meta-reply-user {
        display: none;
    }

    /* 版块头部 */
    .forum-category-header { gap: 18px; }
    .forum-category-stats strong { font-size: 18px; }

    /* 帖子详情 */
    .forum-topic-detail-title { font-size: 20px; }
    .post-user-card { width: 140px; }

    /* 用户主页 */
    .forum-user-profile-header { gap: 16px; }
    .forum-user-avatar-xl { width: 64px; height: 64px; font-size: 24px; }

    /* 表单 */
    .forum-form-section { padding: 20px; }

    /* 搜索 */
    .forum-search-full-input input { font-size: 14px; }

    /* 分页 */
    .forum-pagination .page-item { min-width: 34px; height: 34px; font-size: 13px; }

    /* 编辑器工具栏 */
    .editor-toolbar-btn { width: 30px; height: 30px; font-size: 14px; }
}

/* ---------- 中等屏幕（<= 860px）---------- */
@media (max-width: 860px) {
    /* 容器：小屏下撑满宽度，减少内边距 */
    .forum-container {
        max-width: none;
        width: 100%;
        padding: 0;
    }
    .forum-layout { gap: 0; }

    /* 头部：显示汉堡按钮，隐藏导航和搜索 */
    .forum-mobile-btn { display: flex; }
    .forum-nav {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: #fff;
        flex-direction: column;
        padding: 56px 20px 20px;
        z-index: 101;
        overflow-y: auto;
        gap: 4px;
    }
    .forum-nav.mobile-open,
    .forum-nav.active { display: flex; }
    .forum-nav-link { font-size: 15px; padding: 10px 14px; border-radius: 8px; }
    .forum-header-search { display: none; }
    .forum-header-actions { gap: 8px; }
    .forum-user-name { max-width: 60px; }

    /* 主布局：侧边栏全宽置底 */
    .forum-layout { flex-direction: column; }
    .forum-main { flex-direction: column; }
    .forum-sidebar { width: 100%; order: 1; }

    /* 面包屑 */
    .forum-breadcrumb > .forum-container { padding: 5px 12px; }

    /* Tab 排序可滚动 */
    .forum-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .forum-tabs::-webkit-scrollbar { display: none; }
    .forum-tab { white-space: nowrap; flex-shrink: 0; padding: 7px 14px; }

    /* 帖子列表 */
    .forum-topic-item { padding: 12px 14px; gap: 10px; }
    .forum-topic-avatar { width: 38px; height: 38px; }
    .forum-topic-title { font-size: 14px; }
    .forum-topic-meta { font-size: 11px; gap: 3px; flex-wrap: wrap; }

    /* 版块页 */
    .forum-category-header { flex-direction: column; gap: 16px; text-align: center; }
    .forum-category-info { text-align: center; }
    .forum-category-stats { justify-content: space-around; }
    .forum-sub-categories { flex-wrap: wrap; justify-content: center; }

    /* 帖子详情 */
    .forum-topic-detail { padding: 18px 16px; }
    .forum-topic-detail-title { font-size: 18px; }
    .forum-topic-detail-actions { flex-wrap: wrap; }
    .post-user-card {
        width: auto; border-right: none; border-bottom: 1px solid #e5e7eb;
        display: flex; align-items: center; gap: 10px;
        text-align: left; padding: 10px 16px;
    }
    .post-user-avatar { width: 36px; height: 36px; margin-bottom: 0; }
    .post-user-info { display: none; }

    /* 回复列表 */
    .forum-replies-section { padding: 18px 16px; }
    .forum-reply-item { gap: 12px; padding: 14px 0; }
    .forum-reply-floor { display: none; }
    .forum-reply-avatar { display: none; }
    .reply-children { margin-left: 12px; padding-left: 10px; }

    /* 搜索 */
    .forum-search-section { padding: 16px; }
    .forum-search-full { flex-direction: column; }
    .forum-search-full-input { border-right: 1px solid #2563eb; border-radius: 8px 8px 0 0; }
    .forum-search-filters { flex-wrap: wrap; }
    .forum-filter-select { min-width: auto; flex: 1; }

    /* 用户主页 */
    .forum-user-profile { padding: 18px 16px; }
    .forum-user-profile-header { flex-direction: column; align-items: center; text-align: center; }
    .forum-user-avatar-xl { width: 56px; height: 56px; font-size: 22px; }
    .forum-user-profile-stats { gap: 24px; }

    /* 表单 */
    .forum-form-section { padding: 18px 16px; }
    .forum-form-row { flex-direction: column; align-items: flex-start; gap: 8px; }
    .forum-form-actions { flex-wrap: wrap; }
    .forum-form-input-sm { max-width: 100%; }

    /* 登录注册 */
    .forum-auth-section { margin: 24px auto; }
    .forum-auth-card { padding: 24px 18px; }

    /* 通用组件 */
    .forum-section { padding: 14px; }
    .forum-section-header { flex-wrap: wrap; gap: 8px; }
    .forum-action-btn { padding: 5px 10px; font-size: 12px; }
    .forum-reply-action-btn { padding: 3px 8px; font-size: 11px; }
    .forum-pagination .page-item { min-width: 32px; height: 32px; font-size: 13px; }
    .forum-empty { padding: 32px 16px; }
    .forum-footer { padding: 18px 0; }

    /* Markdown / 表格 */
    .topic-body table,
    .forum-markdown-body table {
        display: block; overflow-x: auto; -webkit-overflow-scrolling: touch;
    }
}

/* ---------- 大屏手机（<= 768px）---------- */
/* 860px 断点已覆盖布局切换，此处仅做增量微调 */
@media (max-width: 768px) {
    /* 帖子列表进一步紧凑 */
    .forum-topic-item { padding: 11px 12px; gap: 8px; }
    .forum-topic-avatar { width: 36px; height: 36px; }
    .forum-avatar-placeholder { font-size: 13px; }
    .forum-topic-title { font-size: 13px; }
    .forum-topic-meta { font-size: 11px; }

    /* 帖子详情 */
    .forum-topic-detail { padding: 16px 14px; }
    .forum-topic-detail-title { font-size: 17px; }

    /* 回复列表 */
    .forum-replies-section { padding: 16px 14px; }
    .forum-reply-body { min-width: 0; }

    /* 搜索 */
    .forum-search-section { padding: 14px; }

    /* 用户主页 */
    .forum-user-profile { padding: 16px 14px; }

    /* 表单 */
    .forum-form-section { padding: 16px 14px; }
    .forum-reply-form-section { padding: 16px 14px; }
    .forum-reply-form textarea { min-height: 90px; font-size: 14px; padding: 10px; }

    /* 登录注册 */
    .forum-auth-section { margin: 20px auto; }
    .forum-auth-card { padding: 20px 16px; }

    /* 通用组件 */
    .forum-section { padding: 12px; }
    .forum-section-title { font-size: 15px; }
    .forum-sidebar-block { padding: 12px; }
    .forum-sidebar-title { font-size: 14px; }
    .forum-empty { padding: 28px 14px; }
    .forum-footer { padding: 16px 0; }
}

/* ---------- 小屏手机（<= 480px）---------- */
@media (max-width: 480px) {
    /* 头部 */
    .forum-logo-text {
        font-size: 15px;
    }
    .forum-logo-icon {
        font-size: 20px;
    }
    .btn-sm {
        padding: 4px 10px;
        font-size: 12px;
    }

    /* 帖子列表项 */
    .forum-topic-item {
        padding: 10px 12px;
        gap: 8px;
    }
    .forum-topic-avatar {
        width: 34px;
        height: 34px;
    }
    .forum-avatar-placeholder {
        font-size: 13px;
    }
    .forum-topic-title {
        font-size: 13px;
    }
    .forum-topic-meta {
        font-size: 11px;
    }
    /* 隐藏回复数，仅保留图标 */
    .forum-stat-text {
        display: none;
    }

    /* 帖子详情 */
    .forum-topic-detail { padding: 14px 12px; }
    .forum-topic-detail-title {
        font-size: 17px;
    }
    .forum-topic-tags {
        flex-wrap: wrap;
    }

    /* 回复表单 */
    .forum-reply-form-section { padding: 14px 12px; }
    .forum-reply-form textarea {
        min-height: 80px;
        font-size: 14px;
        padding: 10px;
    }

    /* 搜索 */
    .forum-search-section { padding: 12px; }
    .forum-filter-select {
        width: 100%;
    }

    /* 用户主页 */
    .forum-user-profile { padding: 14px 12px; }
    .forum-user-profile-name { font-size: 19px; }
    .forum-user-profile-stats strong { font-size: 18px; }

    /* 表单 */
    .forum-form-section { padding: 14px 12px; }
    .forum-auth-card { padding: 20px 14px; }
    .forum-auth-title { font-size: 19px; }
    .forum-tag-checkbox {
        padding: 4px 10px;
        font-size: 12px;
    }

    /* 通用组件 */
    .forum-section { padding: 12px; }
    .forum-section-title { font-size: 15px; }
    .forum-sidebar-block { padding: 12px; }
    .forum-sidebar-title { font-size: 14px; }
    .forum-btn-lg {
        padding: 8px 18px;
        font-size: 14px;
    }

    /* 分页 */
    .forum-pagination .page-item {
        min-width: 30px;
        height: 30px;
        font-size: 12px;
    }

    /* 编辑器工具栏 */
    .editor-toolbar {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .editor-toolbar::-webkit-scrollbar { display: none; }
}

/* ========================================
   Markdown 渲染样式
   ======================================== */
.forum-markdown-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.forum-markdown-body h1,
.forum-markdown-body h2,
.forum-markdown-body h3,
.forum-markdown-body h4,
.forum-markdown-body h5,
.forum-markdown-body h6 {
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.forum-markdown-body h1 { font-size: 1.6em; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.forum-markdown-body h2 { font-size: 1.4em; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.forum-markdown-body h3 { font-size: 1.2em; }
.forum-markdown-body h4 { font-size: 1.1em; }
.forum-markdown-body h5 { font-size: 1em; }
.forum-markdown-body h6 { font-size: 0.9em; color: var(--text-secondary); }

.forum-markdown-body p {
    margin-bottom: 12px;
}

.forum-markdown-body a {
    color: var(--primary);
    text-decoration: none;
}

.forum-markdown-body a:hover {
    text-decoration: underline;
}

.forum-markdown-body img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 8px 0;
}

.forum-markdown-body blockquote {
    margin: 12px 0;
    padding: 12px 16px;
    background: var(--bg-gray);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-secondary);
}

.forum-markdown-body blockquote p {
    margin-bottom: 0;
}

.forum-markdown-body ul,
.forum-markdown-body ol {
    margin: 8px 0;
    padding-left: 24px;
}

.forum-markdown-body li {
    margin-bottom: 4px;
}

.forum-markdown-body pre {
    margin: 12px 0;
    padding: 16px;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
}

.forum-markdown-body pre code {
    padding: 0;
    background: transparent;
    font-size: 13px;
    border-radius: 0;
}

.forum-markdown-body code {
    padding: 2px 6px;
    background: #f1f3f5;
    border-radius: 4px;
    font-size: 13px;
    color: #cf222e;
}

.forum-markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
}

.forum-markdown-body table th,
.forum-markdown-body table td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-align: left;
}

.forum-markdown-body table th {
    background: var(--bg-gray);
    font-weight: 600;
}

.forum-markdown-body hr {
    margin: 16px 0;
    border: none;
    border-top: 1px solid var(--border);
}

.forum-markdown-body strong {
    font-weight: 600;
}

.forum-markdown-body del {
    color: var(--text-secondary);
}

/* ========================================
   EasyMDE 编辑器适配
   ======================================== */
.EasyMDEContainer {
    margin-bottom: 16px;
}

.EasyMDEContainer .editor-toolbar {
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--bg-gray);
}

.EasyMDEContainer .editor-toolbar a {
    color: var(--text-secondary);
}

.EasyMDEContainer .editor-toolbar a:hover,
.EasyMDEContainer .editor-toolbar a.active {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text);
}

.EasyMDEContainer .CodeMirror {
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    font-size: 14px;
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.EasyMDEContainer .CodeMirror-focused {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.EasyMDEContainer .editor-preview {
    padding: 16px;
    font-size: 15px;
    line-height: 1.8;
}

.EasyMDEContainer .editor-preview pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
}

.EasyMDEContainer .editor-preview code {
    padding: 2px 6px;
    background: var(--bg-gray);
    border-radius: 4px;
    font-size: 13px;
}

.EasyMDEContainer .editor-preview pre code {
    padding: 0;
    background: transparent;
}

.EasyMDEContainer .editor-preview blockquote {
    border-left: 3px solid var(--primary);
    padding: 8px 16px;
    background: var(--bg-gray);
    color: var(--text-secondary);
    margin: 8px 0;
}

.EasyMDEContainer .editor-preview table {
    border-collapse: collapse;
    width: 100%;
}

.EasyMDEContainer .editor-preview th,
.EasyMDEContainer .editor-preview td {
    border: 1px solid var(--border);
    padding: 8px 12px;
}

.EasyMDEContainer .editor-preview th {
    background: var(--bg-gray);
    font-weight: 600;
}

/* 回复区编辑器缩小 */
.forum-reply-form .EasyMDEContainer .CodeMirror {
    min-height: 100px;
}

/* 子回复编辑器保持原样 */
.forum-sub-reply-textarea {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    resize: vertical;
    font-family: inherit;
}

.forum-sub-reply-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    outline: none;
}

/* ========================================
   文章目录（TOC）
   ======================================== */
#forumTocBlock {
    z-index: 10;
    display: none;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    overscroll-behavior: contain;
}

#forumTocBlock.forum-toc-visible {
    display: block;
}

.forum-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.forum-toc-item {
    display: block;
    padding: 5px 0;
    font-size: 13px;
    line-height: 1.5;
}

.forum-toc-link {
    display: block;
    color: #475569;
    text-decoration: none !important;
    border-left: 2px solid transparent;
    padding-left: 10px;
    transition: all 0.15s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-toc-link:hover {
    color: var(--primary, #2563eb);
}

.forum-toc-link.active {
    color: var(--primary, #2563eb);
    font-weight: 600;
    border-left-color: var(--primary, #2563eb);
    background: rgba(37, 99, 235, 0.04);
}

/* 目录层级缩进 */
.forum-toc-h2 { padding-left: 0; }
.forum-toc-h3 { padding-left: 16px; }
.forum-toc-h4 { padding-left: 28px; }

.forum-sidebar-block .forum-toc-h2 .forum-toc-link { padding-left: 0; }
.forum-sidebar-block .forum-toc-h3 .forum-toc-link { padding-left: 16px; }
.forum-sidebar-block .forum-toc-h4 .forum-toc-link { padding-left: 28px; }

/* ========================================
   返回顶部按钮
   ======================================== */
.forum-back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(51, 65, 85, 0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: #64748b;
    cursor: pointer;
    padding: 0;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.15s, color 0.15s, box-shadow 0.15s;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.forum-back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.forum-back-to-top:hover {
    background: rgba(51, 65, 85, 0.18);
    color: #334155;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.forum-back-to-top-percent {
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 10px;
    font-weight: 500;
    color: #94a3b8;
    background: #fff;
    border-radius: 10px;
    padding: 1px 5px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    line-height: 1.4;
}