/* ========================================
   川渝好门户 - 论坛首页样式 v2
   与网站首页（portal/index_cy.css）风格统一
   入场动画 + 悬浮效果 + 卡片式布局
   ======================================== */

/* ========== 入场动画（与首页一致） ========== */
@keyframes forumFadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ========== 论坛外层容器 ========== */
.forum-wrap {
    max-width: var(--cy-container, 1200px);
    margin: 0 auto;
    padding: var(--cy-space-5, 20px) var(--cy-space-4, 16px);
}

/* ========== 论坛头部 ========== */
.forum-page-header {
    background: var(--cy-gradient-primary, linear-gradient(135deg, #e53935, #c62828));
    border-radius: var(--cy-radius-lg, 12px);
    padding: 36px 40px;
    margin-bottom: var(--cy-space-5, 20px);
    color: #fff;
    position: relative;
    overflow: hidden;
    animation: forumFadeInUp 0.6s ease-out both;
}
.forum-page-header::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -60px;
    width: 240px;
    height: 240px;
    background: rgba(255,255,255,0.07);
    border-radius: 50%;
}
.forum-page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}
.forum-header-left .forum-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: 1px;
}
.forum-header-left .forum-subtitle {
    font-size: 14px;
    opacity: 0.85;
    margin: 0;
}
.forum-page-stats {
    display: flex;
    gap: 32px;
}
.forum-page-stat {
    text-align: center;
}
.forum-page-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
}
.forum-page-stat span {
    font-size: 12px;
    opacity: 0.8;
}

/* ========== 论坛导航栏（卡片式） ========== */
.forum-navigation {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    margin-bottom: var(--cy-space-5, 20px);
    overflow: hidden;
    animation: forumFadeInUp 0.6s ease-out both;
    animation-delay: 0.1s;
}
.forum-nav-content { padding: 0 12px; }
.forum-nav-menu {
    display: flex;
    flex-wrap: wrap;
}
.forum-nav-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 15px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--cy-text-secondary, #495057);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}
.forum-nav-item:hover {
    color: var(--cy-primary, #e53935);
    background: var(--cy-primary-bg, #fdf0f2);
}
.forum-nav-item.active {
    color: var(--cy-primary, #e53935);
    border-bottom-color: var(--cy-primary, #e53935);
    font-weight: 600;
}
.forum-nav-icon { width: 18px; height: 18px; }

/* ========== 热门话题 & 推荐板块（与首页 home-section 一致） ========== */
.forum-featured-section {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    margin-bottom: var(--cy-space-5, 20px);
    overflow: hidden;
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    transition: all 0.3s ease;
    animation: forumFadeInUp 0.6s ease-out both;
}
.forum-featured-section:nth-of-type(1) { animation-delay: 0.15s; }
.forum-featured-section:nth-of-type(2) { animation-delay: 0.25s; }
.forum-featured-section:hover {
    box-shadow: var(--cy-shadow-lg, 0 8px 32px rgba(0,0,0,0.15));
    transform: translateY(-2px);
}

.featured-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--cy-border-light, #f0f0f0);
}
.featured-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cy-text, #212529);
}
.featured-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--cy-primary, #e53935);
    border-radius: 2px;
}
.featured-more {
    font-size: 13px;
    color: var(--cy-text-muted, #868e96);
    text-decoration: none;
    transition: all 0.3s ease;
}
.featured-more:hover {
    color: var(--cy-primary, #e53935);
    transform: translateX(3px);
}
.featured-content { padding: 20px 24px; }

.hot-threads-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.hot-thread-card {
    background: var(--cy-gray-50, #f8f9fa);
    border-radius: var(--cy-radius, 8px);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.hot-thread-card:hover {
    background: var(--cy-primary-bg, #fdf0f2);
    transform: translateY(-3px);
    box-shadow: var(--cy-shadow-md, 0 4px 16px rgba(0,0,0,0.1));
    border-color: var(--cy-primary, #e53935);
}
.hot-thread-link {
    display: block;
    padding: 16px 18px;
    text-decoration: none;
    color: inherit;
}
.hot-thread-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--cy-text, #212529);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}
.hot-thread-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--cy-text-muted, #868e96);
}
.hot-thread-forum {
    color: var(--cy-primary, #e53935);
    background: var(--cy-primary-bg, #fdf0f2);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 500;
}
.hot-thread-author { color: var(--cy-text-secondary, #495057); }
.hot-thread-stats { margin-left: auto; }

/* ========== 论坛板块分组（全新设计） ==========
.forum-groups-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
    margin-top: 20px;
}
.forum-group {
    background: #ffffff;
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: forumFadeInUp 0.6s ease-out both;
    position: relative;
}
.forum-group::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #e53935, #f44336, #ff5722);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.forum-group:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px) scale(1.02);
}
.forum-group:hover::before {
    opacity: 1;
}
.forum-group:nth-of-type(1)  { animation-delay: 0.30s; }
.forum-group:nth-of-type(2)  { animation-delay: 0.35s; }
.forum-group:nth-of-type(3)  { animation-delay: 0.40s; }
.forum-group:nth-of-type(4)  { animation-delay: 0.45s; }
.forum-group:nth-of-type(5)  { animation-delay: 0.50s; }
.forum-group:nth-of-type(6)  { animation-delay: 0.55s; }
.forum-group:nth-of-type(7)  { animation-delay: 0.60s; }
.forum-group:nth-of-type(8)  { animation-delay: 0.65s; }
.forum-group:nth-of-type(9)  { animation-delay: 0.70s; }
.forum-group:nth-of-type(10) { animation-delay: 0.75s; }
.forum-group:nth-of-type(11) { animation-delay: 0.80s; }
.forum-group:nth-of-type(12) { animation-delay: 0.85s; }
.forum-group:nth-of-type(13) { animation-delay: 0.90s; }
.forum-group:nth-of-type(14) { animation-delay: 0.95s; }
.forum-group:nth-of-type(15) { animation-delay: 1.00s; }
.forum-group:nth-of-type(16) { animation-delay: 1.05s; }
.forum-group:nth-of-type(17) { animation-delay: 1.10s; }
.forum-group:nth-of-type(18) { animation-delay: 1.15s; }
.forum-group:nth-of-type(19) { animation-delay: 1.20s; }
.forum-group:nth-of-type(20) { animation-delay: 1.25s; }

/* 分组头部 */
.forum-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #2d3748;
    background: #f7fafc;
}
.forum-group-header .fg-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: 18px;
    background: linear-gradient(135deg, #e53935, #ff5722);
    border-radius: 8px;
    color: #fff;
}

/* ========== 论坛板块列表（网格布局） ========== */
.forum-list {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 16px;
    background: #ffffff;
}
.forum-list.grid-1 { grid-template-columns: 1fr; }
.forum-list.grid-2 { grid-template-columns: repeat(2, 1fr); }
.forum-list.grid-3 { grid-template-columns: repeat(3, 1fr); }
.forum-list.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 每个版块 = 独立卡片 */
.forum-item {
    display: flex;
    align-items: center;
    padding: 16px 18px;
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    gap: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.forum-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 60%;
    background: linear-gradient(90deg, #e53935, #ff5722);
    border-radius: 0 6px 6px 0;
    transition: width 0.4s ease;
}
.forum-item:hover {
    background: linear-gradient(135deg, #ffffff 0%, #fef9f9 100%);
    border-color: #e53935;
    box-shadow: 0 12px 32px rgba(229, 57, 53, 0.15);
    transform: translateY(-5px) scale(1.01);
}
.forum-item:hover::before {
    width: 4px;
}
.forum-item:last-child {
    border-bottom: none;
}
/* ========== 空状态 ========== */
.cy-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--cy-text-muted, #adb5bd);
}
.cy-empty-icon { font-size: 40px; margin-bottom: 8px; opacity: 0.5; }
.cy-empty p { margin: 0; font-size: 14px; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hot-threads-grid { grid-template-columns: repeat(2, 1fr); }
    .forum-list.grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .forum-wrap { padding: 12px; }
    .forum-page-header { padding: 24px 20px; }
    .forum-page-header-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    .forum-header-left .forum-title { font-size: 22px; }
    .forum-page-stats { gap: 20px; }

    .forum-nav-menu { flex-wrap: nowrap; overflow-x: auto; }
    .forum-nav-item { padding: 12px 14px; font-size: 13px; white-space: nowrap; }

    .hot-threads-grid { grid-template-columns: 1fr; }
    .featured-content { padding: 14px 16px; }
    .featured-header { padding: 14px 16px; }

    .forum-list.grid-4,
    .forum-list.grid-3 { grid-template-columns: 1fr; }
    .forum-list.grid-2 { grid-template-columns: 1fr; }

    .forum-list {
        gap: 8px;
        padding: 10px;
    }
    .forum-item {
        flex-wrap: wrap;
        padding: 12px 14px;
        gap: 10px;
    }
    .forum-lastpost {
        max-width: 100%;
        text-align: left;
        width: 100%;
        padding-left: 58px;
    }
}

@media (max-width: 480px) {
    .forum-page-stat strong { font-size: 20px; }
    .forum-page-stat span { font-size: 11px; }
    .forum-page-stats { gap: 14px; }
    .forum-stats { gap: 10px; }
    .forum-stat strong { font-size: 14px; }
}@media (max-width: 1024px) {
    .hot-threads-grid { grid-template-columns: repeat(2, 1fr); }
    .forum-list.grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .forum-wrap { padding: 12px; }
    .forum-page-header { padding: 24px 20px; }
    .forum-page-header-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    .forum-header-left .forum-title { font-size: 22px; }
    .forum-page-stats { gap: 20px; }

    .forum-nav-menu { flex-wrap: nowrap; overflow-x: auto; }
    .forum-nav-item { padding: 12px 14px; font-size: 13px; white-space: nowrap; }

    .hot-threads-grid { grid-template-columns: 1fr; }
    .featured-content { padding: 14px 16px; }
    .featured-header { padding: 14px 16px; }

    .forum-list.grid-4 { grid-template-columns: repeat(2, 1fr); }
    .forum-list.grid-3 { grid-template-columns: 1fr; }
    .forum-list.grid-2 { grid-template-columns: 1fr; }

    .forum-list {
        gap: 8px;
        padding: 10px;
    }
    .forum-item {
        flex-wrap: wrap;
        padding: 12px 14px;
        gap: 10px;
    }
    .forum-header-left .forum-title { font-size: 22px; }
    .forum-page-stats { gap: 20px; }

    .forum-nav-menu { flex-wrap: nowrap; overflow-x: auto; }
    .forum-nav-item { padding: 12px 14px; font-size: 13px; white-space: nowrap; }

    .hot-threads-grid { grid-template-columns: 1fr; }
    .featured-content { padding: 14px 16px; }
    .featured-header { padding: 14px 16px; }


    .forum-list {
        gap: 8px;
        padding: 10px;
    }
    .forum-item {
        flex-wrap: wrap;
        padding: 12px 14px;
        gap: 10px;
    }
    .forum-lastpost {
        max-width: 100%;
        text-align: left;
        width: 100%;
        padding-left: 58px;
    }
}

@media (max-width: 480px) {
    .forum-page-stat strong { font-size: 20px; }
    .forum-page-stat span { font-size: 11px; }
    .forum-page-stats { gap: 14px; }
    .forum-stats { gap: 10px; }
    .forum-stat strong { font-size: 14px; }
}


/* ========== 论坛页面（forumdisplay.htm） ========== */
.forum-wrap {
    max-width: var(--cy-container, 1200px);
    margin: 0 auto;
    padding: var(--cy-space-5, 20px) var(--cy-space-4, 16px);
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--cy-space-2, 8px);
    font-size: var(--cy-text-sm, 14px);
    color: var(--cy-text-muted, #8795a1);
    margin-bottom: var(--cy-space-4, 16px);
}
.breadcrumb a {
    color: var(--cy-text-muted, #8795a1);
    text-decoration: none;
    transition: color 0.2s ease;
}
.breadcrumb a:hover {
    color: var(--cy-primary, #e53935);
}
.breadcrumb .sep {
    color: var(--cy-border, #e9ecef);
}

/* 工具栏 */
.thread-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    padding: var(--cy-space-3, 12px) var(--cy-space-4, 16px);
    margin-bottom: var(--cy-space-5, 20px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.thread-toolbar-left,
.thread-toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--cy-space-2, 8px);
}

/* 子论坛列表 */
.sub-forums {
    margin-bottom: var(--cy-space-5, 20px);
}
.sub-forum-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--cy-space-4, 16px);
    margin-top: var(--cy-space-3, 12px);
}
.sub-forum-item {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    padding: var(--cy-space-4, 16px);
    transition: all 0.3s ease;
    display: flex;
    gap: var(--cy-space-4, 16px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    position: relative;
    overflow: hidden;
}
.sub-forum-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(to right, rgba(229, 57, 53, 0.1), transparent);
    transition: width 0.3s ease;
}
.sub-forum-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--cy-shadow-lg, 0 8px 32px rgba(0,0,0,0.15));
    border-color: var(--cy-primary, #e53935);
}
.sub-forum-item:hover::before {
    width: 100%;
}
.sub-forum-item .fl_icn_g {
    flex-shrink: 0;
}
.sub-forum-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--cy-radius-md, 8px);
    background: var(--cy-gray-50, #f8f9fa);
    transition: all 0.3s ease;
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.sub-forum-item:hover .sub-forum-icon {
    transform: scale(1.05);
    box-shadow: var(--cy-shadow-md, 0 4px 16px rgba(0,0,0,0.12));
}

/* 论坛首页图标样式 */
.forum-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--cy-radius-md, 8px);
    background: var(--cy-gray-50, #f8f9fa);
    transition: all 0.3s ease;
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}
.forum-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}
.forum-icon:hover::before {
    left: 100%;
}
.forum-icon:hover {
    transform: scale(1.08) rotate(3deg);
    box-shadow: var(--cy-shadow-md, 0 4px 16px rgba(0,0,0,0.12));
    border-radius: 12px;
}
.forum-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--cy-radius-md, 8px);
    transition: transform 0.3s ease;
}
.forum-icon:hover .forum-icon-img {
    transform: scale(1.1);
}
.forum-icon-svg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.forum-icon-default {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}
.forum-icon:hover .forum-icon-default {
    transform: scale(1.2);
}
.sub-forum-item dl {
    flex: 1;
    margin: 0;
    padding: 0;
}
.sub-forum-item dt {
    margin: 0 0 var(--cy-space-2, 8px) 0;
}
.sub-forum-item dt a {
    font-weight: 600;
    font-size: var(--cy-text-sm, 14px);
    color: var(--cy-text, #212529);
    text-decoration: none;
    transition: color 0.2s ease;
}
.sub-forum-item:hover dt a {
    color: var(--cy-primary, #e53935);
}
.sub-forum-item dd {
    margin: 0 0 var(--cy-space-1, 4px) 0;
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
}
.sub-forum-item dd em {
    color: var(--cy-text-secondary, #495057);
}
.sub-forum-item dd:nth-child(2) {
    font-weight: 500;
}

/* 帖子列表 */
.thread-table {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    overflow: hidden;
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    margin-bottom: var(--cy-space-5, 20px);
}
.thread-row {
    display: flex;
    align-items: center;
    padding: var(--cy-space-4, 16px);
    border-bottom: 1px solid var(--cy-border-light, #f0f0f0);
    transition: all 0.3s ease;
}
.thread-row:last-child {
    border-bottom: none;
}
.thread-row:hover {
    background: var(--cy-primary-bg, #fdf0f2);
}
.thread-avatar {
    flex-shrink: 0;
    margin-right: var(--cy-space-4, 16px);
}
.thread-main {
    flex: 1;
    min-width: 0;
}
.thread-subject {
    font-weight: 600;
    color: var(--cy-text, #212529);
    text-decoration: none;
    margin-bottom: var(--cy-space-2, 8px);
    display: block;
    transition: color 0.2s ease;
}
.thread-subject:hover {
    color: var(--cy-primary, #e53935);
}
.thread-meta {
    display: flex;
    align-items: center;
    gap: var(--cy-space-4, 16px);
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
}
.thread-stats {
    display: flex;
    align-items: center;
    gap: var(--cy-space-3, 12px);
    margin-left: auto;
}
.thread-sticky {
    background: var(--cy-warning-bg, #fff9e6);
    border-left: 4px solid var(--cy-warning, #fbc02d);
}
.thread-digest {
    background: var(--cy-success-bg, #f0fff4);
    border-left: 4px solid var(--cy-success, #4caf50);
}

/* ========== 响应式子论坛布局 ========== */
@media (max-width: 1024px) {
    .sub-forum-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .sub-forum-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--cy-space-3, 12px);
    }
    .sub-forum-item {
        padding: var(--cy-space-3, 12px);
        gap: var(--cy-space-3, 12px);
    }
    .sub-forum-icon {
        width: 40px;
        height: 40px;
    }
    .sub-forum-item dt a {
        font-size: var(--cy-text-xs, 12px);
    }
    .sub-forum-item dd {
        font-size: var(--cy-text-xs, 12px);
    }
}

@media (max-width: 480px) {
    .sub-forum-grid {
        grid-template-columns: 1fr;
    }
    .sub-forum-item {
        flex-direction: column;
        text-align: center;
        padding: var(--cy-space-4, 16px);
    }
    .sub-forum-icon {
        width: 56px;
        height: 56px;
    }
    .sub-forum-item dt a {
        font-size: var(--cy-text-sm, 14px);
    }
}

/* ========== 话题页面（viewthread.htm） ========== */
.viewthread-wrap {
    max-width: var(--cy-container, 1200px);
    margin: 0 auto;
    padding: var(--cy-space-5, 20px) var(--cy-space-4, 16px);
}

/* 帖子标题栏 */
.thread-title-bar {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    padding: var(--cy-space-5, 20px) var(--cy-space-6, 24px);
    margin-bottom: var(--cy-space-6, 24px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.thread-title-bar h1 {
    font-size: var(--cy-text-2xl, 24px);
    font-weight: 700;
    margin: 0 0 var(--cy-space-4, 16px) 0;
    color: var(--cy-text, #212529);
    display: flex;
    align-items: center;
    gap: var(--cy-space-3, 12px);
    line-height: 1.4;
}
.thread-title-meta {
    display: flex;
    align-items: center;
    gap: var(--cy-space-4, 16px);
    font-size: var(--cy-text-sm, 14px);
    color: var(--cy-text-muted, #8795a1);
    flex-wrap: wrap;
}
.thread-title-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}
.thread-title-meta svg {
    width: 16px;
    height: 16px;
}

/* 帖子列表 */
.post-list {
    margin-bottom: var(--cy-space-6, 24px);
}
.post-card {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    margin-bottom: var(--cy-space-5, 20px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    transition: all 0.3s ease;
}
.post-card:hover {
    box-shadow: var(--cy-shadow-md, 0 4px 16px rgba(0,0,0,0.12));
    border-color: var(--cy-primary, #e53935);
}

/* 帖子头部 */
.post-header {
    background: var(--cy-gray-50, #f8f9fa);
    border-bottom: 1px solid var(--cy-border, #e9ecef);
    padding: var(--cy-space-3, 12px) var(--cy-space-4, 16px);
    display: flex;
    align-items: center;
    gap: var(--cy-space-4, 16px);
    border-radius: var(--cy-radius-lg, 12px) var(--cy-radius-lg, 12px) 0 0;
}
.post-floor {
    font-weight: 600;
    font-size: var(--cy-text-lg, 18px);
    color: var(--cy-primary, #e53935);
    min-width: 40px;
    text-align: center;
}
.post-user-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--cy-space-2, 8px);
}
.post-user-info a {
    font-weight: 600;
    color: var(--cy-text, #212529);
    text-decoration: none;
    transition: color 0.2s ease;
}
.post-user-info a:hover {
    color: var(--cy-primary, #e53935);
}
.post-date {
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
}

/* 帖子主体 */
.post-body {
    display: flex;
    padding: var(--cy-space-4, 16px);
    gap: var(--cy-space-5, 20px);
}

/* 帖子侧边栏 */
.post-sidebar {
    width: 120px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cy-space-2, 8px);
}
.post-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    display: block;
    background: var(--cy-gray-100, #f1f3f5);
    border: 3px solid var(--cy-bg, #fff);
    box-shadow: var(--cy-shadow-md, 0 4px 16px rgba(0,0,0,0.12));
    transition: all 0.3s ease;
}
.post-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--cy-shadow-lg, 0 8px 32px rgba(0,0,0,0.15));
}
.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.user-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.post-username {
    font-weight: 600;
    font-size: var(--cy-text-sm, 14px);
    color: var(--cy-text, #212529);
    text-align: center;
}
.post-usertitle {
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
    text-align: center;
}
.post-userstats {
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
    text-align: center;
}

/* 帖子内容 */
.post-content {
    flex: 1;
    line-height: 1.6;
    color: var(--cy-text, #212529);
    font-size: var(--cy-text-base, 16px);
}
.post-content p {
    margin-bottom: var(--cy-space-3, 12px);
}
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--cy-radius-md, 8px);
    margin: var(--cy-space-3, 12px) 0;
}
.post-content blockquote {
    border-left: 4px solid var(--cy-primary, #e53935);
    padding-left: var(--cy-space-3, 12px);
    margin: var(--cy-space-3, 12px) 0;
    color: var(--cy-text-muted, #8795a1);
    font-style: italic;
}
.post-content code {
    background: var(--cy-gray-100, #f1f3f5);
    padding: 2px 6px;
    border-radius: var(--cy-radius-sm, 4px);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: var(--cy-text-sm, 14px);
}

/* 帖子底部 */
.post-footer {
    background: var(--cy-gray-50, #f8f9fa);
    border-top: 1px solid var(--cy-border, #e9ecef);
    padding: var(--cy-space-3, 12px) var(--cy-space-4, 16px);
    display: flex;
    align-items: center;
    gap: var(--cy-space-4, 16px);
    border-radius: 0 0 var(--cy-radius-lg, 12px) var(--cy-radius-lg, 12px);
}
.post-action {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--cy-text-muted, #8795a1);
    text-decoration: none;
    font-size: var(--cy-text-sm, 14px);
    padding: var(--cy-space-1, 4px) var(--cy-space-2, 8px);
    border-radius: var(--cy-radius-sm, 4px);
    transition: all 0.2s ease;
}
.post-action:hover {
    color: var(--cy-primary, #e53935);
    background: var(--cy-primary-50, #fff5f5);
}
.post-action svg {
    width: 16px;
    height: 16px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--cy-space-3, 12px);
    margin: var(--cy-space-6, 24px) 0;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    padding: var(--cy-space-2, 8px) var(--cy-space-3, 12px);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-sm, 4px);
    color: var(--cy-text, #212529);
    text-decoration: none;
    background: var(--cy-bg, #fff);
    transition: all 0.2s ease;
}
.pagination a:hover {
    background: var(--cy-primary, #e53935);
    color: #fff;
    border-color: var(--cy-primary, #e53935);
}
.pagination .current {
    background: var(--cy-primary, #e53935);
    color: #fff;
    border-color: var(--cy-primary, #e53935);
}

/* 快速回复 */
.cy-card {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.cy-card-header {
    background: var(--cy-gray-50, #f8f9fa);
    border-bottom: 1px solid var(--cy-border, #e9ecef);
    padding: var(--cy-space-3, 12px) var(--cy-space-4, 16px);
    border-radius: var(--cy-radius-lg, 12px) var(--cy-radius-lg, 12px) 0 0;
}
.cy-card-title {
    font-size: var(--cy-text-lg, 18px);
    font-weight: 600;
    color: var(--cy-text, #212529);
    display: flex;
    align-items: center;
    gap: var(--cy-space-2, 8px);
}
.cy-card-title svg {
    width: 20px;
    height: 20px;
}
.cy-card-body {
    padding: var(--cy-space-4, 16px);
}

/* 线程信息卡片 */
.thread-info-card {
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    padding: var(--cy-space-4, 16px);
    margin-bottom: var(--cy-space-5, 20px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.thread-info-section {
    margin-bottom: var(--cy-space-4, 16px);
}
.thread-info-section:last-child {
    margin-bottom: 0;
}
.thread-info-title {
    font-size: var(--cy-text-lg, 18px);
    font-weight: 600;
    color: var(--cy-text, #212529);
    margin-bottom: var(--cy-space-3, 12px);
    padding-bottom: var(--cy-space-2, 8px);
    border-bottom: 1px solid var(--cy-border, #e9ecef);
}
.thread-info-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--cy-space-3, 12px);
}
.thread-info-item {
    display: flex;
    flex-direction: column;
    gap: var(--cy-space-1, 4px);
}
.thread-info-label {
    font-size: var(--cy-text-xs, 12px);
    color: var(--cy-text-muted, #8795a1);
    font-weight: 500;
}
.thread-info-value {
    font-size: var(--cy-text-sm, 14px);
    color: var(--cy-text, #212529);
    font-weight: 600;
}
.thread-info-value a {
    color: var(--cy-primary, #e53935);
    text-decoration: none;
    transition: color 0.2s ease;
}
.thread-info-value a:hover {
    color: var(--cy-primary-dark, #c41e3a);
    text-decoration: underline;
}

/* 线程工具栏 */
.thread-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--cy-bg-card, #fff);
    border: 1px solid var(--cy-border, #e9ecef);
    border-radius: var(--cy-radius-lg, 12px);
    padding: var(--cy-space-3, 12px) var(--cy-space-4, 16px);
    margin-bottom: var(--cy-space-5, 20px);
    box-shadow: var(--cy-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.thread-toolbar-left,
.thread-toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--cy-space-3, 12px);
}
@media (max-width: 768px) {
    .thread-toolbar {
        flex-direction: column;
        gap: var(--cy-space-3, 12px);
    }
    .thread-toolbar-left,
    .thread-toolbar-right {
        justify-content: center;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .thread-title-bar {
        padding: var(--cy-space-4, 16px);
    }
    .thread-title-bar h1 {
        font-size: var(--cy-text-xl, 20px);
    }
    .post-body {
        flex-direction: column;
        gap: var(--cy-space-4, 16px);
    }
    .post-sidebar {
        width: auto;
        flex-direction: row;
        align-items: center;
    }
    .post-avatar {
        width: 60px;
        height: 60px;
    }
    .post-footer {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .thread-title-bar {
        padding: var(--cy-space-3, 12px);
    }
    .thread-title-bar h1 {
        font-size: var(--cy-text-lg, 18px);
    }
    .thread-title-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--cy-space-2, 8px);
    }
    .post-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--cy-space-2, 8px);
    }
    .post-sidebar {
        flex-direction: column;
        align-items: center;
    }
}
.thread-title-meta span {
    display: flex;
    align-items: center;
    gap: var(--cy-space-1, 4px);
}
.thread-title-meta svg {
    width: 16px;
    height: 16px;
}