/* ============================================
 * 论坛系统样式 - Forum System Styles
 * 匹配设计图：白色背景 + 绿色主题色 + 双栏布局
 * ============================================ */

/* ===== CSS 变量 ===== */
:root {
    --io-forum-primary: #00C853;
    --io-forum-primary-dark: #00A844;
    --io-forum-primary-light: #E8F8EE;
    --io-forum-blue: #2196F3;
    --io-forum-blue-light: #E3F2FD;
    --io-forum-text: #1a1a2e;
    --io-forum-text-light: #6b7280;
    --io-forum-border: #edf0f2;
    --io-forum-bg: #ffffff;
    --io-forum-bg-gray: #f9fafb;
    --io-forum-shadow: 0 2px 8px rgba(0,0,0,0.06);
    --io-forum-shadow-hover: 0 4px 16px rgba(0,0,0,0.1);
    --io-forum-radius: 12px;
    --io-forum-radius-sm: 8px;
    --io-forum-radius-xs: 4px;
    --io-forum-orange: #FF9800;
    --io-forum-red: #F44336;
    --io-forum-gold: #FFB300;
    --io-forum-vip: #7C4DFF;
    --io-forum-sidebar-width: 320px;
}

/* 发帖页全宽布局时防止横向滚动 */
body:has(.io-forum-new-page-fw) {
    overflow-x: hidden;
}

/* ===== 暗黑模式变量 ===== */
.io-black-mode {
    --io-forum-text: #e0e0e0;
    --io-forum-text-light: #9e9e9e;
    --io-forum-border: #383838;
    --io-forum-bg: #2D2E2F;
    --io-forum-bg-gray: #363738;
    --io-forum-shadow: 0 2px 8px rgba(0,0,0,0.3);
    --io-forum-shadow-hover: 0 4px 16px rgba(0,0,0,0.4);
}

/* ===== 主容器 ===== */
.io-forum-page,
.io-forum-single {
    max-width: 1200px;
}

/* 发帖页:强制全宽,冲破主题 container / wrapper / sidebar 布局限制,宽度与广告位 widget 保持一致 */
.io-forum-new-page.io-forum-new-page-fw {
    width: 100vw !important;
    max-width: 100vw !important;
    position: relative !important;
    left: 50% !important;
    right: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
    margin-top: 20px !important;
    margin-bottom: 20px !important;
    padding: 0 !important;
    background: transparent !important;
    box-sizing: border-box !important;
}

.io-forum-new-page-fw .io-forum-new-container {
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
}

@media (min-width: 1240px) {
    .io-forum-new-page-fw .io-forum-new-container {
        padding: 0;
    }
}

/* 防止内部元素出现横向滚动 */
.io-forum-new-page-fw *,
.io-forum-new-page-fw *::before,
.io-forum-new-page-fw *::after {
    box-sizing: border-box;
}

.io-forum-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

.io-forum-sidebar {
    width: var(--io-forum-sidebar-width);
    flex-shrink: 0;
}

/* ============================================
 * 分类导航栏 + 发布按钮
 * ============================================ */
.io-forum-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    padding: 12px 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.io-forum-categories {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
}

.io-forum-cat-tab {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    height: 32px;
    line-height: 1;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--io-forum-text-light);
    background: transparent;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    cursor: pointer;
    box-sizing: border-box;
}

.io-forum-cat-tab:hover {
    background: var(--io-forum-bg-gray);
    color: var(--io-forum-text);
}

.io-forum-cat-tab.active {
    background: var(--io-forum-blue-light);
    color: var(--io-forum-blue);
    font-weight: 600;
}

.io-forum-cat-tab.is-vip.active {
    background: rgba(124, 77, 255, 0.1);
    color: var(--io-forum-vip);
    font-weight: 600;
}

.io-forum-cat-tab.is-locked {
    opacity: 0.6;
}

.io-forum-cat-tab.is-locked::after {
    content: "\f023";
    font-family: "Font Awesome 5 Free", "FontAwesome";
    font-weight: 900;
    font-size: 11px;
    margin-left: 2px;
}

.cat-vip-badge {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    background: var(--io-forum-vip);
    color: #fff;
    line-height: 1.4;
    margin-left: 2px;
}

/* 发布按钮 */
.io-forum-publish-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.io-forum-publish-btn:hover {
    background: var(--io-forum-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
}

/* ============================================
 * 帖子列表
 * ============================================ */
.io-forum-list {
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    overflow: hidden;
}

/* 单个帖子项 */
.forum-topic-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--io-forum-border);
    transition: background 0.2s ease;
}

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

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

.forum-topic-item.is-sticky {
    background: linear-gradient(90deg, rgba(255, 152, 0, 0.04), transparent);
}

.forum-topic-item.is-sticky:hover {
    background: linear-gradient(90deg, rgba(255, 152, 0, 0.08), var(--io-forum-bg-gray));
}

.forum-topic-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.forum-topic-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

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

.forum-topic-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.forum-topic-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--io-forum-text);
    text-decoration: none;
    line-height: 1.4;
    transition: color 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

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

/* 受限帖子样式 */
.forum-topic-item.is-locked-topic {
    opacity: 0.75;
}

.forum-topic-title-locked {
    color: var(--io-forum-text-light);
    cursor: not-allowed;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.forum-topic-title-locked i {
    font-size: 13px;
    color: #fa8c16;
}

.forum-topic-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--io-forum-text-light);
    flex-wrap: wrap;
}

.forum-topic-meta i {
    margin-right: 3px;
    font-size: 12px;
}

.forum-topic-author {
    color: var(--io-forum-text-light);
}

.forum-topic-date {
    color: var(--io-forum-text-light);
}

.forum-topic-cat {
    color: var(--io-forum-blue);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.forum-topic-cat:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.forum-topic-last-reply {
    color: var(--io-forum-text-light);
}

/* 统计区域 */
.forum-topic-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    padding-left: 12px;
}

.forum-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 40px;
}

.forum-stat-num {
    font-size: 16px;
    font-weight: 700;
    color: var(--io-forum-text);
    line-height: 1.2;
}

.forum-stat-label {
    font-size: 11px;
    color: var(--io-forum-text-light);
    margin-top: 2px;
}

/* ============================================
 * 徽章
 * ============================================ */
.forum-badges {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.forum-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.forum-badge-sticky {
    background: rgba(255, 152, 0, 0.12);
    color: var(--io-forum-orange);
}

.forum-badge-essential {
    background: rgba(244, 67, 54, 0.12);
    color: var(--io-forum-red);
}

.forum-badge-recommended {
    background: rgba(255, 179, 0, 0.15);
    color: var(--io-forum-gold);
}

.forum-badge-vip {
    background: rgba(124, 77, 255, 0.12);
    color: var(--io-forum-vip);
}

/* ============================================
 * 分页
 * ============================================ */
.forum-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 20px;
    flex-wrap: wrap;
}

.forum-pagination-info {
    font-size: 13px;
    color: var(--io-forum-text-light);
    margin-right: 8px;
}

.forum-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border-radius: var(--io-forum-radius-xs);
    font-size: 13px;
    color: var(--io-forum-text);
    background: var(--io-forum-bg-gray);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.forum-page-link:hover:not(.active) {
    background: var(--io-forum-blue-light);
    color: var(--io-forum-blue);
}

.forum-page-link.active {
    background: var(--io-forum-blue);
    color: #fff;
    font-weight: 600;
}

.forum-page-next {
    padding: 0 14px;
}

.forum-page-dots {
    color: var(--io-forum-text-light);
    padding: 0 4px;
}

/* 空状态 */
.io-forum-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--io-forum-text-light);
}

.io-forum-empty i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

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

/* 受限内容提示 */
.io-forum-locked-content {
    text-align: center;
    padding: 50px 20px;
}

.io-forum-locked-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(245, 166, 35, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.io-forum-locked-icon i {
    font-size: 24px;
    color: #fa8c16;
}

.io-forum-locked-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.io-forum-locked-content p {
    font-size: 14px;
    color: #999;
    margin-bottom: 24px;
}

.io-forum-locked-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.io-forum-locked-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 6px;
    background: #1890ff;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: opacity 0.2s;
}

.io-forum-locked-btn:hover {
    opacity: 0.85;
    color: #fff;
}

.io-forum-locked-btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border-radius: 6px;
    background: #f0f0f0;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.io-forum-locked-btn-secondary:hover {
    background: #e8e8e8;
    color: #333;
}

.io-black-mode .io-forum-locked-icon {
    background: rgba(245, 166, 35, 0.15);
}

.io-black-mode .io-forum-locked-content h3 {
    color: #ddd;
}

.io-black-mode .io-forum-locked-content p {
    color: #888;
}

.io-black-mode .io-forum-locked-btn-secondary {
    background: #333;
    color: #aaa;
}

.io-black-mode .io-forum-locked-btn-secondary:hover {
    background: #3a3a3a;
    color: #ccc;
}

/* ============================================
 * 侧边栏 - 通用 Widget
 * ============================================ */
.io-forum-widget {
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    margin-bottom: 16px;
    overflow: hidden;
}

.io-forum-widget-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--io-forum-border);
}

.io-forum-widget-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--io-forum-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.io-forum-widget-header h3 i {
    color: var(--io-forum-primary);
}

.io-forum-widget-body {
    padding: 12px 16px;
}

/* ===== 用户信息卡片 ===== */
.io-forum-user-card {
    padding: 20px 16px;
    overflow: visible;
}

.io-forum-user-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.io-forum-user-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.io-forum-user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

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

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

.io-forum-user-id {
    font-size: 12px;
    color: var(--io-forum-text-light);
}

.io-forum-user-bell {
    flex-shrink: 0;
}

.io-forum-user-bell a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--io-forum-bg-gray);
    color: var(--io-forum-text-light);
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-user-bell a:hover {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary);
}

.io-forum-user-stats {
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    border-top: 1px solid var(--io-forum-border);
    border-bottom: 1px solid var(--io-forum-border);
    margin-bottom: 14px;
}

.io-forum-user-stats .io-forum-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.io-forum-user-stats .io-forum-stat-label {
    font-size: 12px;
    color: var(--io-forum-text-light);
    margin-top: 2px;
}

.io-forum-user-actions {
    display: flex;
    gap: 8px;
}

.io-forum-user-btn {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    border-radius: var(--io-forum-radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--io-forum-text);
    background: var(--io-forum-bg-gray);
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-user-btn:hover {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary);
    text-decoration: none;
}

/* 未登录状态 */
.io-forum-user-not-logged {
    text-align: center;
    padding: 20px 0;
}

.io-forum-user-not-logged i {
    font-size: 40px;
    color: var(--io-forum-text-light);
    margin-bottom: 12px;
    display: block;
}

.io-forum-user-not-logged p {
    font-size: 13px;
    color: var(--io-forum-text-light);
    margin-bottom: 14px;
}

.io-forum-login-btn {
    display: inline-block;
    padding: 8px 24px;
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-login-btn:hover {
    background: var(--io-forum-primary-dark);
    color: #fff;
    text-decoration: none;
}

/* ===== 搜索框 ===== */
.io-forum-search-widget {
    padding: 14px 16px;
}

.io-forum-search-form {
    display: flex;
    gap: 8px;
}

.io-forum-search-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--io-forum-border);
    border-radius: var(--io-forum-radius-sm);
    font-size: 13px;
    color: var(--io-forum-text);
    background: var(--io-forum-bg-gray);
    transition: border-color 0.2s ease;
    min-width: 0;
}

.io-forum-search-input:focus {
    outline: none;
    border-color: var(--io-forum-primary);
    background: var(--io-forum-bg);
}

.io-forum-search-btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

/* ===== 热门帖子 ===== */
.io-forum-hot-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.io-forum-hot-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--io-forum-border);
}

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

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

.io-forum-hot-rank.top {
    background: var(--io-forum-primary);
    color: #fff;
}

.io-forum-hot-rank.top:nth-child(1) {
    background: #FF5252;
}

.io-forum-hot-title {
    flex: 1;
    font-size: 13px;
    color: var(--io-forum-text);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s ease;
    line-height: 1.4;
}

.io-forum-hot-title:hover {
    color: var(--io-forum-primary);
    text-decoration: none;
}

.io-forum-hot-views {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--io-forum-text-light);
}

/* ===== 最新评论 ===== */
.io-forum-comments-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.io-forum-comment-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--io-forum-border);
}

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

.io-forum-comment-avatar {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.io-forum-comment-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

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

.io-forum-comment-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.io-forum-comment-author {
    font-size: 12px;
    font-weight: 600;
    color: var(--io-forum-text);
}

.io-forum-comment-date {
    font-size: 11px;
    color: var(--io-forum-text-light);
}

.io-forum-comment-text {
    display: block;
    font-size: 12px;
    color: var(--io-forum-text-light);
    text-decoration: none;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color 0.2s ease;
}

.io-forum-comment-text:hover {
    color: var(--io-forum-primary);
    text-decoration: none;
}

/* ===== 其他板块 ===== */
.io-forum-sections-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.io-forum-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 6px 12px;
    border-radius: var(--io-forum-radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--io-forum-text);
    background: var(--io-forum-bg-gray);
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-section-tag:hover {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary);
    text-decoration: none;
}

.io-forum-section-tag.is-vip {
    color: var(--io-forum-vip);
}

.io-forum-section-tag.is-vip:hover {
    background: rgba(124, 77, 255, 0.1);
}

.section-vip-badge {
    display: inline-block;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 700;
    background: var(--io-forum-vip);
    color: #fff;
    line-height: 1.4;
}

/* ===== 侧边栏翻页器 ===== */
.io-forum-widget-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 10px;
    margin-top: 4px;
    border-top: 1px solid var(--io-forum-border);
}

.io-forum-pager-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--io-forum-border);
    border-radius: var(--io-forum-radius-xs);
    background: var(--io-forum-bg);
    color: var(--io-forum-text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
}

.io-forum-pager-btn:hover:not(:disabled) {
    border-color: var(--io-forum-primary);
    color: var(--io-forum-primary);
}

.io-forum-pager-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.io-forum-pager-info {
    font-size: 12px;
    color: var(--io-forum-text-light);
}

/* ============================================
 * 帖子详情页
 * ============================================ */
.io-forum-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 4px 16px;
    font-size: 13px;
    color: var(--io-forum-text-light);
    flex-wrap: wrap;
}

.io-forum-breadcrumb a {
    color: var(--io-forum-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.io-forum-breadcrumb a:hover {
    color: var(--io-forum-primary);
}

.io-forum-breadcrumb i {
    font-size: 10px;
}

.io-forum-breadcrumb > span:last-child {
    color: var(--io-forum-text);
    font-weight: 500;
}

.io-forum-single-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

/* 帖子卡片 */
.io-forum-post-card {
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    padding: 24px;
    margin-bottom: 16px;
}

.io-forum-post-header {
    margin-bottom: 16px;
}

.io-forum-post-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--io-forum-text);
    margin: 0 0 8px;
    line-height: 1.4;
}

.io-forum-post-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.io-forum-post-author-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-top: 1px solid var(--io-forum-border);
    border-bottom: 1px solid var(--io-forum-border);
    margin-bottom: 20px;
}

.io-forum-post-author-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.io-forum-post-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.io-forum-post-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.io-forum-post-author-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--io-forum-text);
}

.io-forum-post-date {
    font-size: 12px;
    color: var(--io-forum-text-light);
    margin-top: 2px;
}

.io-forum-post-date a {
    color: var(--io-forum-blue);
    text-decoration: none;
}

.io-forum-post-stats-bar {
    display: flex;
    gap: 16px;
}

.io-forum-post-stat {
    font-size: 13px;
    color: var(--io-forum-text-light);
}

.io-forum-post-stat i {
    margin-right: 4px;
}

.io-forum-post-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--io-forum-text);
}

.io-forum-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--io-forum-radius-sm);
    margin: 12px 0;
}

.io-forum-post-content p {
    margin-bottom: 16px;
}

.io-forum-post-content h2,
.io-forum-post-content h3 {
    margin: 24px 0 12px;
    font-weight: 600;
}

.io-forum-post-content blockquote {
    border-left: 3px solid var(--io-forum-primary);
    padding: 8px 16px;
    margin: 16px 0;
    background: var(--io-forum-bg-gray);
    border-radius: 0 var(--io-forum-radius-xs) var(--io-forum-radius-xs) 0;
}

.io-forum-post-content pre {
    background: var(--io-forum-bg-gray);
    padding: 16px;
    border-radius: var(--io-forum-radius-sm);
    overflow-x: auto;
    font-size: 13px;
}

.io-forum-post-content code {
    background: var(--io-forum-bg-gray);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
}

.io-forum-post-content a {
    color: var(--io-forum-blue);
    text-decoration: none;
}

.io-forum-post-content a:hover {
    text-decoration: underline;
}

.io-forum-post-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--io-forum-border);
}

.io-forum-post-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--io-forum-radius-xs);
    font-size: 12px;
    color: var(--io-forum-text-light);
    background: var(--io-forum-bg-gray);
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-post-tag:hover {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary);
    text-decoration: none;
}

/* ===== 回复区域 ===== */
.io-forum-replies-section {
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    padding: 20px;
}

.io-forum-replies-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--io-forum-text);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.io-forum-replies-header h3 i {
    color: var(--io-forum-primary);
}

/* 回复表单 */
.io-forum-reply-form-wrap {
    margin-bottom: 24px;
}

.io-forum-reply-form {
    background: var(--io-forum-bg-gray);
    border-radius: var(--io-forum-radius-sm);
    padding: 16px;
}

.io-forum-reply-user {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.io-forum-reply-user img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.io-forum-reply-user span {
    font-size: 13px;
    font-weight: 600;
    color: var(--io-forum-text);
}

.io-forum-reply-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--io-forum-border);
    border-radius: var(--io-forum-radius-sm);
    font-size: 14px;
    color: var(--io-forum-text);
    background: var(--io-forum-bg);
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.io-forum-reply-textarea:focus {
    outline: none;
    border-color: var(--io-forum-primary);
}

.io-forum-reply-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}

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

.io-forum-reply-hint a {
    color: var(--io-forum-blue);
    text-decoration: none;
    margin-left: 4px;
}

.io-forum-reply-submit {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border: none;
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.io-forum-reply-submit:hover {
    background: var(--io-forum-primary-dark);
}

.io-forum-reply-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 回复登录提示 */
.io-forum-reply-login {
    text-align: center;
    padding: 24px;
    background: var(--io-forum-bg-gray);
    border-radius: var(--io-forum-radius-sm);
    margin-bottom: 20px;
}

.io-forum-reply-login p {
    font-size: 14px;
    color: var(--io-forum-text-light);
    margin: 0;
}

.io-forum-reply-login a {
    color: var(--io-forum-primary);
    font-weight: 600;
    text-decoration: none;
}

/* 回复列表 */
.io-forum-replies-list {
    margin-top: 8px;
}

.forum-reply-item {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--io-forum-border);
}

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

.forum-reply-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
}

.forum-reply-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

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

.forum-reply-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.forum-reply-author {
    font-size: 13px;
    font-weight: 600;
    color: var(--io-forum-text);
}

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

.forum-reply-content {
    font-size: 14px;
    color: var(--io-forum-text);
    line-height: 1.6;
}

.forum-reply-content p {
    margin: 0 0 8px;
}

.forum-reply-content p:last-child {
    margin-bottom: 0;
}

.forum-reply-actions {
    margin-top: 6px;
}

.forum-reply-btn {
    font-size: 12px;
    color: var(--io-forum-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.forum-reply-btn:hover {
    color: var(--io-forum-primary);
}

/* 回复空状态 */
.io-forum-replies-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--io-forum-text-light);
}

.io-forum-replies-empty i {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

.io-forum-replies-empty p {
    font-size: 13px;
}

/* ===== 作者信息卡片（详情页侧边栏） ===== */
.io-forum-author-card {
    padding: 20px 16px;
    text-align: center;
}

.io-forum-author-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    justify-content: center;
}

.io-forum-author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
}

.io-forum-author-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.io-forum-author-info {
    text-align: left;
}

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

.io-forum-author-id {
    font-size: 12px;
    color: var(--io-forum-text-light);
}

.io-forum-author-stats {
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    border-top: 1px solid var(--io-forum-border);
    border-bottom: 1px solid var(--io-forum-border);
    margin-bottom: 14px;
}

.io-forum-author-stats .io-forum-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.io-forum-author-stats .io-forum-stat-num {
    font-size: 18px;
    font-weight: 700;
    color: var(--io-forum-text);
}

.io-forum-author-stats .io-forum-stat-label {
    font-size: 12px;
    color: var(--io-forum-text-light);
    margin-top: 2px;
}

.io-forum-author-view-btn {
    display: block;
    text-align: center;
    padding: 8px;
    border-radius: var(--io-forum-radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--io-forum-primary);
    background: var(--io-forum-primary-light);
    text-decoration: none;
    transition: all 0.2s ease;
}

.io-forum-author-view-btn:hover {
    background: var(--io-forum-primary);
    color: #fff;
    text-decoration: none;
}

/* ============================================
 * 发帖页面
 * 整体区域宽度与插件广告位(.ons-ad-widget-inner)保持一致:max-width: 1200px
 * ============================================ */
.io-forum-new-page-fw .io-forum-new-wrapper {
    max-width: 1200px !important;
    width: 100% !important;
    margin: 0 auto !important;
    box-sizing: border-box;
}

.io-forum-new-card {
    background: var(--io-forum-bg);
    border-radius: var(--io-forum-radius);
    box-shadow: var(--io-forum-shadow);
    padding: 24px;
}

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

.io-forum-new-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--io-forum-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.io-forum-new-header h2 i {
    color: var(--io-forum-primary);
}

.io-forum-new-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--io-forum-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.io-forum-new-back:hover {
    color: var(--io-forum-primary);
    text-decoration: none;
}

/* 表单 */
.io-forum-form-group {
    margin-bottom: 20px;
}

.io-forum-form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--io-forum-text);
    margin-bottom: 8px;
}

.io-forum-form-label .required {
    color: var(--io-forum-red);
    margin-right: 2px;
}

.io-forum-category-select {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.io-forum-cat-option {
    cursor: pointer;
    position: relative;
}

.io-forum-cat-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.io-forum-cat-option-label {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 8px 16px;
    border-radius: var(--io-forum-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--io-forum-text);
    background: var(--io-forum-bg-gray);
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.io-forum-cat-option:hover .io-forum-cat-option-label {
    background: var(--io-forum-primary-light);
}

.io-forum-cat-option input[type="radio"]:checked + .io-forum-cat-option-label {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary);
    border-color: var(--io-forum-primary);
    font-weight: 600;
}

.io-forum-cat-option.is-vip input[type="radio"]:checked + .io-forum-cat-option-label {
    background: rgba(124, 77, 255, 0.1);
    color: var(--io-forum-vip);
    border-color: var(--io-forum-vip);
}

.io-forum-form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--io-forum-border);
    border-radius: var(--io-forum-radius-sm);
    font-size: 14px;
    color: var(--io-forum-text);
    background: var(--io-forum-bg);
    transition: border-color 0.2s ease;
}

.io-forum-form-input:focus {
    outline: none;
    border-color: var(--io-forum-primary);
}

/* WP Editor 样式修正 */
.io-forum-new-form .wp-editor-container {
    border-radius: var(--io-forum-radius-sm);
    overflow: hidden;
}

.io-forum-new-form .wp-editor-wrap {
    margin-bottom: 0;
}

/* 提示 */
.io-forum-form-tips {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 16px;
    background: rgba(33, 150, 243, 0.05);
    border-radius: var(--io-forum-radius-sm);
    font-size: 12px;
    color: var(--io-forum-text-light);
    margin-bottom: 20px;
}

.io-forum-form-tips i {
    color: var(--io-forum-blue);
    margin-top: 1px;
    flex-shrink: 0;
}

/* 操作按钮 */
.io-forum-form-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.io-forum-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 28px;
    border: none;
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.io-forum-submit-btn:hover {
    background: var(--io-forum-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
}

.io-forum-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.io-forum-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid var(--io-forum-border);
    border-radius: var(--io-forum-radius-sm);
    background: var(--io-forum-bg);
    color: var(--io-forum-text-light);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.io-forum-reset-btn:hover {
    border-color: var(--io-forum-text-light);
    color: var(--io-forum-text);
}

/* 消息提示 */
.io-forum-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--io-forum-radius-sm);
    font-size: 13px;
    text-align: center;
}

.io-forum-message.success {
    background: var(--io-forum-primary-light);
    color: var(--io-forum-primary-dark);
}

.io-forum-message.error {
    background: rgba(244, 67, 54, 0.08);
    color: var(--io-forum-red);
}

/* ============================================
 * 通知面板
 * ============================================ */
.io-forum-user-bell {
    position: relative;
    z-index: 1001;
}

.io-forum-bell-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    background: #f44336;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    pointer-events: none;
}

.io-forum-notification-panel {
    position: fixed;
    width: 280px;
    max-height: 380px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 10000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: io-forum-panel-fadein 0.2s ease;
}

@keyframes io-forum-panel-fadein {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.io-forum-notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
    flex-shrink: 0;
}

.io-forum-notification-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.io-forum-notification-mark-all {
    font-size: 12px;
    color: #1890ff;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.io-forum-notification-mark-all:hover {
    opacity: 0.8;
}

.io-forum-notification-body {
    flex: 1;
    overflow-y: auto;
    max-height: 320px;
}

.io-forum-notification-loading,
.io-forum-notification-empty {
    padding: 32px 12px;
    text-align: center;
    color: #999;
    font-size: 13px;
}

.io-forum-notification-item {
    display: block;
    padding: 10px 14px;
    border-bottom: 1px solid #f5f5f5;
    text-decoration: none;
    transition: background 0.2s;
    cursor: pointer;
}

.io-forum-notification-item:hover {
    background: #f9f9f9;
}

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

.io-forum-notification-item.is-unread {
    background: #f0f7ff;
}

.io-forum-notification-item.is-unread:hover {
    background: #e8f3ff;
}

.io-forum-notification-item-title {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 3px;
    line-height: 1.4;
}

.io-forum-notification-item-content {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 3px;
}

.io-forum-notification-item-date {
    font-size: 11px;
    color: #999;
}

.io-forum-notification-item-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f44336;
    margin-right: 6px;
    vertical-align: middle;
}

/* 暗黑模式 */
.io-black-mode .io-forum-notification-panel {
    background: #2d2d2d;
    border-color: #444;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.io-black-mode .io-forum-notification-header {
    border-bottom-color: #444;
}

.io-black-mode .io-forum-notification-title {
    color: #eee;
}

.io-black-mode .io-forum-notification-loading,
.io-black-mode .io-forum-notification-empty,
.io-black-mode .io-forum-notification-item-date {
    color: #888;
}

.io-black-mode .io-forum-notification-item {
    border-bottom-color: #3a3a3a;
}

.io-black-mode .io-forum-notification-item:hover {
    background: #333;
}

.io-black-mode .io-forum-notification-item.is-unread {
    background: #1a3a5a;
}

.io-black-mode .io-forum-notification-item.is-unread:hover {
    background: #1e4a6e;
}

.io-black-mode .io-forum-notification-item-title {
    color: #ddd;
}

.io-black-mode .io-forum-notification-item-content {
    color: #aaa;
}

/* 响应式 - 通知面板 */
@media (max-width: 768px) {
    .io-forum-notification-panel {
        width: 260px;
    }
}

@media (max-width: 480px) {
    .io-forum-notification-panel {
        width: 240px;
    }
}

/* ============================================
 * 响应式
 * ============================================ */
@media (max-width: 991px) {
    .io-forum-wrapper,
    .io-forum-single-wrapper {
        flex-direction: column;
    }

    .io-forum-sidebar {
        width: 100%;
    }

    .io-forum-topic-stats {
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .io-forum-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .io-forum-categories {
        justify-content: flex-start;
    }

    .io-forum-publish-btn {
        width: 100%;
        justify-content: center;
    }

    .forum-topic-item {
        flex-wrap: wrap;
    }

    .forum-topic-stats {
        width: 100%;
        justify-content: flex-end;
        padding-left: 52px;
        padding-top: 4px;
    }

    .forum-topic-meta {
        gap: 8px;
        font-size: 11px;
    }

    .io-forum-post-card {
        padding: 16px;
    }

    .io-forum-post-title {
        font-size: 18px;
    }

    .io-forum-post-author-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .io-forum-new-card {
        padding: 16px;
    }

    .io-forum-new-header h2 {
        font-size: 16px;
    }

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

    .io-forum-submit-btn,
    .io-forum-reset-btn {
        width: 100%;
        justify-content: center;
    }

    .forum-pagination {
        gap: 4px;
    }

    .forum-page-link {
        min-width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .forum-topic-avatar {
        width: 32px;
        height: 32px;
    }

    .forum-topic-title {
        font-size: 14px;
    }

    .forum-stat-num {
        font-size: 14px;
    }

    .io-forum-cat-tab {
        padding: 5px 10px;
        font-size: 12px;
    }
}