/**
 * JoyReactor 风格 CSS v3 — Style A: Electric Coral
 * 珊瑚橙 + 深色导航 + Space Grotesk标题 + DM Sans正文
 */

/* ===== 基础重置 ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* Brand - Electric Coral + Slate */
    --accent: #FF6B35;
    --accent-soft: rgba(255,107,53,0.12);
    --accent-hover: #FF8255;
    --mint: #34D399;
    --mint-soft: rgba(52,211,153,0.12);
    --rose: #F87171;
    --rose-soft: rgba(248,113,113,0.12);
    --amber: #FFB020;
    --amber-soft: rgba(255,176,32,0.12);
    --sky: #38BDF8;
    --sky-soft: rgba(56,189,248,0.12);

    /* Surfaces & text */
    --nav-bg: #1A1A1A;
    --nav-hover: #2A2A2A;
    --body-bg: #F5F3EF;
    --card-bg: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #5C5C5C;
    --text-muted: #8C8C8C;
    --border-color: rgba(0,0,0,0.08);
    --link-color: #FF6B35;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --input-bg: #FFFFFF;
    --btn-bg: #F5F3EF;
    --btn-hover: rgba(0,0,0,0.06);
    --upload-bg: #FAFAF8;
    --upload-hover: rgba(255,107,53,0.06);
    --tag-bg: rgba(255,107,53,0.1);
    --tag-hover: rgba(255,107,53,0.18);
    --vote-bg: #F5F3EF;
    --sidebar-bg: #FFFFFF;

    /* Legacy compat */
    --green: #34D399;
    --green-hover: #059669;
    --red: #F87171;
    --red-hover: #DC2626;
    --blue: #FF6B35;
    --blue-hover: #FF8255;
    --orange: #FFB020;
}

/* ===== 暗黑模式 ===== */
html.dark {
    --nav-bg: #0C0C0E;
    --nav-hover: #1A1A1E;
    --body-bg: #0C0C0E;
    --card-bg: #16161A;
    --text-primary: #EDEDEF;
    --text-secondary: #8B8B92;
    --text-muted: #5C5C64;
    --border-color: rgba(255,255,255,0.06);
    --sidebar-bg: #16161A;
    --link-color: #FF8255;
    --shadow: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --input-bg: #16161A;
    --btn-bg: #1A1A1E;
    --btn-hover: #252530;
    --upload-bg: #16161A;
    --upload-hover: #1A1A1E;
    --tag-bg: rgba(255,107,53,0.12);
    --tag-hover: rgba(255,107,53,0.2);
    --vote-bg: #1A1A1E;
    --accent-soft: rgba(255,107,53,0.12);
    --mint-soft: rgba(52,211,153,0.12);
    --rose-soft: rgba(248,113,113,0.12);
    --amber-soft: rgba(255,176,32,0.12);
    --sky-soft: rgba(56,189,248,0.12);
}
html.dark .post-image { background: #1A1A1E; }
html.dark .upload-area { background: var(--upload-bg); }
html.dark .form-input { background: var(--input-bg); color: var(--text-primary); }
html.dark .btn { background: var(--btn-bg); color: var(--text-primary); }
html.dark .btn:hover { background: var(--btn-hover); }
html.dark .vote-btn { background: var(--vote-bg); border-color: var(--border-color); color: var(--text-secondary); }
html.dark .vote-btn:hover { background: var(--btn-hover); }
html.dark .tag-link { background: var(--tag-bg); color: var(--link-color); }
html.dark .tag-link:hover { background: var(--tag-hover); }
html.dark .sidebar-tag { background: var(--tag-bg); color: var(--text-primary); }
html.dark .sidebar-tag:hover { background: var(--tag-hover); }
html.dark .ranking-num { background: var(--tag-bg); color: var(--text-muted); }
html.dark .comment-input-wrap textarea { background: var(--input-bg); color: var(--text-primary); border-color: var(--border-color); }
html.dark textarea { background: var(--input-bg); color: var(--text-primary); border-color: var(--border-color); }
html.dark .post-content, html.dark .post-content-excerpt { color: var(--text-secondary); }
html.dark .site-footer { background: var(--card-bg); border-color: var(--border-color); }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ===== 导航栏 ===== */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 700;
    font-size: 22px;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.5px;
}
.nav-brand:hover { text-decoration: none; }

.nav-logo { height: 50px; width: auto; max-width: 240px; object-fit: contain; }
.nav-title {
    letter-spacing: -0.5px;
    color: #fff;
}
html.dark .nav-title {
    color: #fff;
}
/* Style A: nav links white text on dark bg */
.nav-link {
    color: rgba(255,255,255,0.55);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.16,1,0.3,1);
    text-decoration: none;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); text-decoration: none; }
.nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }
html.dark .nav-link { color: rgba(255,255,255,0.55); }
html.dark .nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
html.dark .nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover)) !important;
    color: #fff !important;
    font-weight: 700 !important;
}
.nav-btn:hover { box-shadow: 0 4px 12px rgba(255,107,53,0.3); }

.nav-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    vertical-align: middle;
    margin-right: 4px;
}

.admin-link { background: rgba(248,113,113,0.15); color: #F87171 !important; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: #fff;
    border-radius: 2px;
}

.mobile-menu {
    display: none;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu.active { display: flex; }

.mobile-link {
    color: #fff;
    padding: 14px 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
}
html.dark .mobile-link { border-top-color: rgba(255,255,255,0.06); }

/* 移动端开关区 */
.mobile-toggles {
    display: flex;
    flex-direction: column;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.mobile-toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}
.mobile-toggle-item:active { background: rgba(255,255,255,0.06); }
.mobile-toggle-label {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}
.mobile-toggle-icon {
    font-size: 18px;
    line-height: 1;
}
.mobile-link:hover { background: rgba(255,255,255,0.06); text-decoration: none; color: var(--accent); }

/* ===== 主布局 ===== */
.main-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.content-area { flex: 1; min-width: 0; }
.sidebar { width: 300px; flex-shrink: 0; }

/* ===== 排序栏 ===== */
.sort-bar {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sort-tabs { display: flex; gap: 6px; }

.sort-tab {
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    background: transparent;
    text-decoration: none;
    transition: all 0.25s;
}
.sort-tab:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.sort-tab.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    box-shadow: 0 4px 12px rgba(255,107,53,0.25);
}

.current-tag {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.remove-tag {
    color: var(--rose);
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    line-height: 1;
}

/* ===== 帖子卡片 ===== */
.post-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s cubic-bezier(0.16,1,0.3,1);
}
.post-card:hover { box-shadow: var(--shadow-md); }

.post-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 12px;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}
.post-author:hover { text-decoration: none; }

.avatar-sm { width: 40px; height: 40px; border-radius: 14px; object-fit: cover; border: 2px solid var(--border-color); }
.avatar-xs { width: 28px; height: 28px; border-radius: 10px; object-fit: cover; }

.avatar-placeholder {
    width: 40px; height: 40px; border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-soft), var(--sky-soft));
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 800;
}
.avatar-placeholder-xs {
    width: 28px; height: 28px; border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-soft), var(--sky-soft));
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 800;
}
.avatar-placeholder-lg {
    width: 80px; height: 80px; border-radius: 24px;
    background: linear-gradient(135deg, var(--accent-soft), var(--sky-soft));
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; font-weight: 800;
}

.author-name { font-weight: 700; font-size: 14px; }
.post-time { font-size: 12px; color: var(--text-muted); font-weight: 600; }

.post-title {
    padding: 4px 24px 12px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    font-family: 'Space Grotesk', sans-serif;
}
.post-title a { color: var(--text-primary); }
.post-title a:hover { color: var(--accent); text-decoration: none; }

/* 图片区 */
.post-images {
    padding: 0 16px;
}
.post-images.multi {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 6px;
    padding-bottom: 8px;
}
/* 2张图：并排 */
.post-images.multi[data-count="2"] {
    grid-template-columns: 1fr 1fr;
}
/* 3张图：三列一行 */
.post-images.multi[data-count="3"] {
    grid-template-columns: 1fr 1fr 1fr;
}
.post-images.multi[data-count="3"] .post-image-wrap:last-child {
    grid-column: auto;
    max-width: 100%;
}
/* 4张图：2×2网格 */
.post-images.multi[data-count="4"] {
    grid-template-columns: 1fr 1fr;
}
/* 5-9张图：3列 */
.post-images.multi[data-count="5"],
.post-images.multi[data-count="6"],
.post-images.multi[data-count="7"],
.post-images.multi[data-count="8"],
.post-images.multi[data-count="9"] {
    grid-template-columns: repeat(3, 1fr);
}

.post-image-wrap {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.post-image {
    display: block;
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    background: var(--body-bg);
}

/* 首页长图：限制最大高度 + cover裁剪底部，加"长图"标签提示 */
.post-card:not(.detail-card) .post-images:not(.multi) .post-image-wrap.long-img-card .post-image {
    height: 400px;
    max-height: none;
    object-fit: cover;
}
@media (max-width: 768px) {
    .post-card:not(.detail-card) .post-images:not(.multi) .post-image-wrap.long-img-card .post-image {
        height: 280px;
    }
}
@media (max-width: 480px) {
    .post-card:not(.detail-card) .post-images:not(.multi) .post-image-wrap.long-img-card .post-image {
        height: 220px;
    }
}

/* 首页长图提示标签 */
.long-img-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    backdrop-filter: blur(6px);
    z-index: 3;
    pointer-events: none;
    letter-spacing: 0.5px;
}

/* 首页长图底部渐变遮罩 */
.post-card:not(.detail-card) .post-images:not(.multi) .post-image-wrap.long-img-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, rgba(0,0,0,0.35));
    pointer-events: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.multi .post-image {
    height: 200px;
    object-fit: cover;
}

.gif-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, var(--rose), var(--accent));
    color: #fff;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
}
/* 图片+N覆盖层（仅移动端显示） */
.img-more-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(255,107,53,0.5);
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    pointer-events: none;
}
.img-more-overlay span {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* 标签 */
.post-tags {
    padding: 8px 24px 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-link {
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    background: var(--accent-soft);
    border-radius: 100px;
    text-decoration: none;
    transition: all 0.25s;
}
.tag-link:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* 底部操作栏 */
.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-top: 1px solid var(--border-color);
    flex-wrap: nowrap;
    gap: 8px;
    overflow: hidden;
}

.vote-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--vote-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.25s;
    white-space: nowrap;
}
.vote-btn:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

.vote-btn.upvote.voted {
    background: var(--mint-soft);
    border-color: var(--mint);
    color: var(--mint);
}
.vote-btn.downvote.voted {
    background: var(--rose-soft);
    border-color: var(--rose);
    color: var(--rose);
}

.vote-count { font-weight: 700; }
.vote-score {
    font-weight: 800;
    font-size: 16px;
    min-width: 30px;
    text-align: center;
}

.post-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: nowrap;
}
.stat-item { color: var(--text-muted); text-decoration: none; white-space: nowrap; font-weight: 700; }
.stat-item:hover { text-decoration: underline; }

/* 收藏按钮 - 详情页 */
.bookmark-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 6px 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    white-space: nowrap;
}
.bookmark-btn:hover {
    border-color: var(--amber);
    color: var(--amber);
}
.bookmark-btn.bookmarked {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-soft);
}

/* 收藏按钮 - 列表页(小图标) */
.bookmark-btn-sm {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    transition: all 0.2s;
}
.bookmark-btn-sm:hover {
    color: var(--amber);
}
.bookmark-btn-sm.bookmarked {
    color: var(--amber);
}

/* 分享按钮 */
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 6px 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    white-space: nowrap;
}
.share-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}
.share-btn.copied {
    border-color: var(--mint);
    color: var(--mint);
    background: var(--mint-soft);
}

/* 举报按钮 - 列表页(小图标) */
.report-btn-sm {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    transition: all 0.2s;
    opacity: 0.6;
}
.report-btn-sm:hover {
    color: var(--rose);
    opacity: 1;
}

/* 举报按钮 - 详情页 */
.report-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 6px 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    white-space: nowrap;
    opacity: 0.7;
}
.report-btn:hover {
    border-color: var(--rose);
    color: var(--rose);
    opacity: 1;
}

/* 评论举报按钮 — hover时才显示，跟点赞按钮一致 */
.comment-report-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.15s ease;
    opacity: 0;
}
.comment-item:hover .comment-report-btn {
    opacity: 1;
}
.comment-report-btn:hover {
    color: var(--rose);
    background: var(--rose-soft);
}

/* 举报弹窗 */
.report-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s;
}
.report-modal {
    background: var(--card-bg, #fff);
    border-radius: 16px;
    padding: 28px;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.25s;
}
.report-modal h3 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary, #111);
}
.report-reasons {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}
.report-reason-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--text-primary, #111);
}
.report-reason-item:hover {
    border-color: var(--rose);
    background: var(--rose-soft, rgba(248,113,113,0.08));
}
.report-reason-item.selected {
    border-color: var(--rose);
    background: var(--rose-soft, rgba(248,113,113,0.12));
    font-weight: 600;
}
.report-reason-item .reason-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}
.report-reason-item .reason-text {
    flex: 1;
}
.report-detail-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    background: var(--input-bg, #f9f9f9);
    color: var(--text-primary, #111);
    resize: none;
    margin-bottom: 16px;
    font-family: inherit;
    box-sizing: border-box;
}
.report-detail-input::placeholder {
    color: var(--text-muted);
}
.report-detail-input:focus {
    outline: none;
    border-color: var(--rose);
}
.report-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}
.report-modal-actions .btn-cancel {
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid var(--border-color);
    background: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
}
.report-modal-actions .btn-cancel:hover {
    border-color: var(--text-muted);
}
.report-modal-actions .btn-submit {
    padding: 8px 24px;
    border-radius: 100px;
    border: none;
    background: var(--rose);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}
.report-modal-actions .btn-submit:hover {
    opacity: 0.9;
}
.report-modal-actions .btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 侧边栏 ===== */
.sidebar-section {
    background: var(--sidebar-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.sidebar-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-soft);
}

/* 今日统计卡片 */
.today-stats .stats-grid {
    display: flex;
    align-items: center;
    gap: 0;
    justify-content: center;
}
.today-stats .stat-item {
    flex: 1;
    text-align: center;
    padding: 12px 8px;
    text-decoration: none;
    transition: background 0.2s;
    border-radius: var(--radius-sm);
}
.today-stats .stat-item:hover {
    background: var(--accent-soft);
    text-decoration: none;
}
.today-stats .stat-num {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--rose));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.today-stats .stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 700;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.sidebar-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    background: var(--body-bg);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.25s;
}
.sidebar-tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); text-decoration: none; }
.sidebar-tag.active { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #fff; border-color: transparent; }
.tag-count { font-size: 10px; color: var(--text-muted); }
.sidebar-tag.active .tag-count { color: rgba(255,255,255,0.7); }
.sidebar-tag-more {
    display: inline-block;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: none;
    border: 1px dashed var(--border-color);
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.25s;
}
.sidebar-tag-more:hover { background: var(--accent-soft); border-color: var(--accent); }
#moreTagsContainer .sidebar-tag { animation: fadeIn 0.2s ease; }

.sidebar-link {
    display: block;
    padding: 8px 0;
    color: var(--link-color);
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
}
.sidebar-link:last-child { border-bottom: none; }

.tips-list {
    list-style: none;
    font-size: 13px;
    color: var(--text-secondary);
}
.tips-list li { padding: 4px 0; padding-left: 16px; position: relative; }
.tips-list li::before { content: '•'; position: absolute; left: 0; color: var(--accent); }

/* ===== 排行榜 ===== */
.ranking-list { list-style: none; }
.ranking-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}
.ranking-item:last-child { border-bottom: none; }

.ranking-num {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: var(--body-bg);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    flex-shrink: 0;
}
.ranking-num.top3 {
    background: linear-gradient(135deg, var(--accent), var(--rose));
    color: #fff;
}

.ranking-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}
.ranking-name:hover { text-decoration: none; color: var(--accent); }

.ranking-link {
    color: var(--text-secondary);
}

.ranking-count {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}

/* ===== 排行榜Tab卡片（移动端） ===== */
.ranking-tabs-card {
    display: none; /* 默认隐藏，移动端显示 */
}
.ranking-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    gap: 0;
}
.ranking-tab {
    flex: 1;
    padding: 10px 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.25s;
    white-space: nowrap;
}
.ranking-tab:hover { color: var(--accent); }
.ranking-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.ranking-tab-panels { padding-top: 10px; }
.ranking-panel { display: none; }
.ranking-panel.active { display: block; }

/* PC端排行榜用独立section，隐藏Tab卡片 */
.ranking-pc { display: block; }

/* ===== 广告位 ===== */
.sidebar-ad .ad-content {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    word-break: break-word;
}
.sidebar-ad .ad-content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

.content-ad {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}
.content-ad img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-state p { font-size: 18px; margin-bottom: 16px; font-weight: 700; }

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    background: var(--btn-bg);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
}
.btn:hover { background: var(--btn-hover); text-decoration: none; border-color: var(--accent); color: var(--accent); }

.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #fff; border-color: transparent; }
.btn-primary:hover { box-shadow: 0 4px 12px rgba(255,107,53,0.3); color: #fff; }

.btn-success { background: var(--mint); color: #fff; border-color: transparent; }
.btn-success:hover { background: var(--green-hover); color: #fff; }

.btn-danger { background: var(--red); color: #fff; border-color: transparent; }
.btn-danger:hover { background: var(--red-hover); color: #fff; }

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 14px; color: var(--text-primary); }
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: border-color 0.25s;
    background: var(--input-bg);
    font-family: inherit;
}
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.15); }

.required { color: var(--red); }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-actions { display: flex; gap: 12px; margin-top: 20px; }

/* 上传区 */
.post-form-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 28px;
}

.form-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s;
    background: var(--upload-bg);
}
.upload-area:hover, .upload-area.dragover { border-color: var(--accent); background: var(--accent-soft); }

.upload-hint p { color: var(--text-muted); font-size: 14px; }
.upload-sub { font-size: 12px !important; margin-top: 4px; }

.upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    cursor: grab;
    transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}
.preview-item:hover { box-shadow: var(--shadow-md); }
.preview-item.dragging {
    opacity: 0.4;
    transform: scale(0.9);
    cursor: grabbing;
}
.preview-item.drag-over {
    border: 2px dashed var(--accent);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}
.preview-order {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-item .gif-badge { top: 4px; right: 4px; font-size: 9px; padding: 1px 4px; }
.remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.remove-btn:hover { background: rgba(0,0,0,0.8); }

/* 微博图片抓取选择网格 */
.weibo-image-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}
.weibo-grab-item {
    position: relative;
    display: inline-block;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.25s, box-shadow 0.25s;
}
.weibo-grab-item:hover {
    box-shadow: var(--shadow-md);
}
.weibo-grab-item:has(input:checked) {
    border-color: var(--mint);
    box-shadow: 0 0 0 1px var(--mint);
}
.weibo-grab-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.weibo-grab-item input[type="checkbox"] {
    position: absolute;
    top: 4px;
    left: 4px;
    z-index: 2;
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--mint);
}
.weibo-grab-item .gif-badge {
    position: absolute;
    top: 4px;
    right: 4px;
}

.upload-progress { margin-top: 8px; }
.progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--rose));
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}
#progressText { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* 标签选择 */
.tag-select { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-group { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.tag-group-title {
    width: 100%;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    padding: 6px 0 2px;
    border-bottom: 1px dashed var(--border-color);
    margin-bottom: 2px;
}
.tag-checkbox { cursor: pointer; }
.tag-checkbox input { display: none; }
.tag-label {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all 0.25s;
}
.tag-checkbox input:checked + .tag-label {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
/* 辅助分类折叠 */
.tag-group-secondary .tag-checkbox { display: none !important; }
.tag-group-secondary.expanded .tag-checkbox { display: inline-flex !important; }
.tag-group-secondary .toggle-hint::after { content: ' ▸ 展开'; font-size: 11px; color: var(--text-muted); }
.tag-group-secondary.expanded .toggle-hint::after { content: ' ▾ 收起'; font-size: 11px; color: var(--text-muted); }
/* 主分类按钮 */
.primary-cat-btn {
    padding: 8px 18px; border: 2px solid var(--border-color); border-radius: 100px;
    font-size: 14px; font-weight: 700; color: var(--text-secondary);
    background: var(--card-bg); cursor: pointer; transition: all 0.2s;
    user-select: none; white-space: nowrap;
}
.primary-cat-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.primary-cat-btn.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(255,107,53,0.25);
}
/* 主分类子标签区域 */
.primary-sub-tags { animation: fadeIn 0.2s ease; }
/* 已选标签汇总栏 */
#selectedTagsBar { display: none; margin-top: 8px; padding: 8px 12px; background: var(--accent-soft); border-radius: 12px; }
#selectedTagsBar .bar-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
#selectedTagsInner { display: flex; flex-wrap: wrap; gap: 6px; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 视频播放器 (Plyr) ===== */
.post-video {
    position: relative;
    margin: 4px 16px 0;
    max-width: 640px;
}
.post-video video {
    width: 100%;
    border-radius: var(--radius-sm);
    background: #000;
    display: block;
}
.post-video .plyr {
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.detail-card .post-video {
    margin: 16px auto;
    max-width: 640px;
}
.video-badge {
    display: none; /* Plyr 自带播放按钮，隐藏 VIDEO 徽章 */
}

/* 视频封面卡片（首页/个人页，点击进详情播放） */
.post-video-cover {
    padding: 0 16px;
}
.post-video-cover a {
    display: block;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
}
.post-video-cover img {
    display: block;
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    background: #000;
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.post-video-cover a:hover img { transform: scale(1.03); }
.post-video-cover .video-cover-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 200px;
    background: #000;
    color: #555;
}
.post-video-cover .video-badge {
    display: block;
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--rose), var(--accent));
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 1px;
}
.post-video-cover .video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: transform 0.2s;
}
.post-video-cover a:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.1);
}
html.dark .post-video-cover .video-cover-placeholder {
    background: rgba(255,255,255,0.05);
}
.video-error, .video-fallback {
    padding: 20px 16px;
    text-align: center;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    margin: 8px 0;
    border: 1px solid var(--border-color);
}
.video-error p, .video-fallback p {
    margin: 0 0 4px;
}

/* Plyr 播放器自定义样式 */
.plyr--video {
    --plyr-color-main: #FF6B35;
    --plyr-video-background: #000;
    --plyr-menu-background: rgba(0,0,0,0.9);
    --plyr-control-radius: 100px;
}
.plyr__control--overlaid {
    background: rgba(255,107,53,0.85);
}
.plyr__control--overlaid:hover {
    background: rgba(255,107,53,1);
}
.plyr__control--overlaid svg {
    filter: drop-shadow(0 1px 3px rgba(0,0,0,0.3));
}

/* 暗黑模式适配 */
.dark .plyr--video {
    --plyr-menu-background: rgba(0,0,0,0.95);
}

@media (max-width: 768px) {
    .post-video { margin: 4px 8px 0; max-width: 100%; }
    .post-video video { max-height: 280px; }
    .post-video-cover { padding: 0 8px; }
    .post-video-cover img { max-height: 280px; }
    .post-link-preview { padding: 0 8px; }
    .detail-card .post-video { margin: 12px 8px; max-width: 100%; }
    .detail-card .post-video video { max-height: 360px; }
    /* 移动端 Plyr 播放按钮稍小 */
    .plyr__control--overlaid {
        padding: 20px;
    }
    .plyr__control--overlaid svg {
        height: 28px;
        width: 28px;
    }
}

/* ===== 详情页 ===== */
.detail-card { margin-bottom: 20px; }
.detail-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    padding: 0 24px 14px;
    font-weight: 800;
    line-height: 1.3;
}
.detail-footer { padding: 14px 24px; }
.detail-images .post-image { max-height: none; height: auto; object-fit: contain; }

/* 超长图折叠 — 只对JS标记了tall-image的生效，普通图不受影响 */
.detail-images:not(.multi) .post-image-wrap {
    position: relative;
}
.detail-images:not(.multi) .post-image-wrap.tall-image {
    max-height: 85vh;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16,1,0.3,1);
}
.detail-images:not(.multi) .post-image-wrap.expanded {
    max-height: none;
    overflow: visible;
}
.detail-images:not(.multi) .post-image-wrap.tall-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(transparent, var(--card-bg, #fff));
    pointer-events: none;
    transition: opacity 0.3s;
}
.detail-images:not(.multi) .post-image-wrap.expanded::after {
    opacity: 0;
}
.expand-long-img {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    border: none;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background 0.2s, transform 0.2s;
    white-space: nowrap;
}
.expand-long-img:hover {
    background: rgba(0,0,0,0.8);
    transform: translateX(-50%) scale(1.03);
}
.expand-long-img svg {
    width: 16px;
    height: 16px;
}
.expand-long-img.hidden { display: none; }
.collapse-long-img {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 12px;
    margin-top: 4px;
    background: var(--vote-bg, #F5F3EF);
    border: none;
    border-radius: var(--radius-sm, 8px);
    color: var(--text-secondary, #5C5C5C);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
    z-index: 5;
}
.collapse-long-img.hidden { display: none; }
.collapse-long-img.visible { display: flex; }
.collapse-long-img:hover {
    background: var(--btn-hover, rgba(0,0,0,0.06));
}
/* 移动端收起按钮更醒目 */
@media (max-width: 768px) {
    .collapse-long-img.visible {
        padding: 14px;
        font-size: 15px;
        background: var(--accent-soft, rgba(255,107,53,0.12));
        color: var(--accent, #FF6B35);
        margin-bottom: 8px;
        position: sticky;
        bottom: 8px;
    }
}

/* 暗色模式 */
html.dark .detail-images:not(.multi) .post-image-wrap.tall-image::after {
    background: linear-gradient(transparent, var(--card-bg, #16161A));
}

/* 详情页布局：让图片/内容区铺满宽度 */
.detail-card .post-images,
.detail-card .post-content {
    max-width: 100%;
}

/* ===== 底部版权 ===== */
.site-footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}
.site-footer p { margin: 0; }
.site-footer .content-policy-text {
    font-size: 11px;
    font-weight: 400;
    margin-top: 6px;
    opacity: 0.6;
}

/* ===== 新帖提示条（Discuz风格） ===== */
.new-posts-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent), #ff8855);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    animation: slideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
    transition: transform 0.2s, box-shadow 0.2s;
    user-select: none;
    -webkit-user-select: none;
}
.new-posts-bar:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
}
.new-posts-bar:active {
    transform: translateY(0);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}
html.dark .new-posts-bar {
    background: linear-gradient(135deg, #e55a2b, #d94420);
}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--rose));
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    box-shadow: 0 4px 16px rgba(255,107,53,0.3);
    z-index: 999;
    padding: 0;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.4);
}
@media (max-width: 768px) {
    .back-to-top { bottom: 16px; right: 16px; width: 44px; height: 44px; }
}

/* ===== 相关推荐 ===== */
.related-posts-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.related-posts-section .section-title {
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}
.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.related-post-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.related-post-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.related-post-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-thumb-wrap {
    position: relative;
    width: 100%;
    padding-top: 65%;
    background: var(--bg-tertiary, #e9ecef);
    overflow: hidden;
}
.related-thumb-wrap img.related-thumb {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.related-thumb-wrap.related-no-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 0;
    height: 80px;
}
.related-thumb-wrap.related-no-thumb span {
    font-size: 28px;
}
.related-gif-badge {
    position: absolute;
    top: 6px; right: 6px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}
.related-title {
    font-size: 13px;
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 36px;
    padding: 8px 10px 6px;
}
.related-meta {
    display: flex;
    gap: 10px;
    padding: 0 10px 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.related-stat {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* ===== 评论区 ===== */
.comments-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-soft);
}

.comment-form { margin-bottom: 20px; }
.comment-input-wrap {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 10px;
}
.comment-input-wrap textarea {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 60px;
    transition: border-color 0.25s;
}
.comment-input-wrap textarea:focus { outline: none; border-color: var(--accent); }

/* ===== 表情面板 ===== */
.emoji-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.25s;
    line-height: 1;
}
.emoji-toggle-btn:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
}
.emoji-panel {
    margin-top: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    max-width: 380px;
}
/* Twemoji 统一渲染 */
.emoji-panel img.emoji {
    height: 1em;
    width: 1em;
    margin: 0 .05em 0 .1em;
    vertical-align: -0.1em;
}
.emoji-item img.emoji {
    height: 1.2em;
    width: 1.2em;
}
.emoji-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}
.emoji-tabs::-webkit-scrollbar { height: 0; }
.emoji-tab-btn {
    flex-shrink: 0;
    padding: 6px 10px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.25s;
}
.emoji-tab-btn:hover { background: var(--accent-soft); }
.emoji-tab-btn.active {
    border-bottom-color: var(--accent);
    background: var(--accent-soft);
}
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
    gap: 2px;
    padding: 8px;
    max-height: 180px;
    overflow-y: auto;
}
.emoji-grid::-webkit-scrollbar { width: 4px; }
.emoji-grid::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }
.emoji-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 22px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.15s;
    user-select: none;
}
.emoji-item:hover {
    background: var(--accent-soft);
    transform: scale(1.2);
}

/* 颜文字/符号 文本项样式 */
.emoji-grid.text-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px;
    max-height: 200px;
    overflow-y: auto;
}
.emoji-item.text-item {
    width: auto;
    min-width: 36px;
    height: auto;
    font-size: 13px;
    line-height: 1.3;
    padding: 4px 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}
.emoji-item.text-item:hover {
    background: var(--accent-soft);
    transform: scale(1.05);
}

html.dark .emoji-panel { background: var(--card-bg); }
html.dark .emoji-tab-btn:hover { background: rgba(255,255,255,0.05); }
html.dark .emoji-tab-btn.active { background: rgba(255,255,255,0.05); }
html.dark .emoji-item:hover { background: rgba(255,255,255,0.08); }
html.dark .emoji-item.text-item:hover { background: rgba(255,255,255,0.08); }

/* 回复框表情按钮 */
.reply-form .emoji-toggle-btn { padding: 2px 6px; font-size: 16px; }
.reply-form .emoji-panel { max-width: 320px; }

/* 移动端 */
@media (max-width: 768px) {
    .emoji-grid { max-height: 150px; grid-template-columns: repeat(auto-fill, minmax(32px, 1fr)); }
    .emoji-item { width: 32px; height: 32px; font-size: 20px; }
    .emoji-grid.text-grid { max-height: 180px; gap: 3px; padding: 6px; }
    .emoji-item.text-item { font-size: 12px; padding: 3px 4px; }
    .emoji-panel { max-width: 100%; }
}

/* 链接预览配图 */
.post-link-preview {
    padding: 0 16px;
}
.post-link-preview a { display: block; }
.post-link-preview img {
    display: block;
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    background: var(--body-bg);
    border-radius: var(--radius-sm);
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.post-link-preview a:hover img { transform: scale(1.02); }
html.dark .post-link-preview img { background: rgba(255,255,255,0.03); }

.login-prompt {
    text-align: center;
    padding: 16px;
    color: var(--text-muted);
    font-size: 14px;
}

.comment-list { margin-top: 16px; overflow-x: hidden; }
.no-comments { color: var(--text-muted); text-align: center; padding: 20px; font-size: 14px; }

.comment-item {
    display: flex;
    gap: 10px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
}
.comment-item:last-child { border-bottom: none; }

/* 嵌套评论：用左侧竖线表示层级 */
.comment-item.depth-1,
.comment-item.depth-2,
.comment-item.depth-3,
.comment-item.depth-4,
.comment-item.depth-5 {
    margin-left: 0;
    padding-left: 20px;
    border-left: 2px solid var(--border-color);
    margin-top: 4px;
}
.comment-item.depth-1 { border-left-color: var(--accent); }
.comment-item.depth-2 { border-left-color: var(--rose); }
.comment-item.depth-3 { border-left-color: var(--mint); }
.comment-item.depth-4 { border-left-color: var(--amber); }
.comment-item.depth-5 { border-left-color: var(--sky); }

.comment-body { flex: 1; min-width: 0; }
.comment-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.comment-author { font-weight: 700; font-size: 14px; color: var(--text-primary); }
.comment-time { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.comment-text { font-size: 14px; line-height: 1.65; color: var(--text-secondary); word-break: break-word; }

.comment-actions { margin-top: 4px; display: flex; gap: 4px; align-items: center; }
.reply-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 100px;
    transition: all 0.25s;
}
.reply-btn:hover { color: var(--accent); background: var(--accent-soft); }
.comment-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 100px;
    color: var(--text-muted);
    transition: all 0.25s;
}
.comment-action-btn:hover { background: var(--accent-soft); }
.comment-action-btn.edit-btn:hover { color: var(--accent); }
.comment-action-btn.delete-btn:hover { color: var(--red); }
.comment-deleted-tag {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--vote-bg);
    padding: 2px 8px;
    border-radius: 100px;
}
.comment-edited-tag {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--tag-bg);
    padding: 2px 8px;
    border-radius: 100px;
    font-style: italic;
}
.edit-form { margin-top: 8px; }
.edit-textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    resize: vertical;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    line-height: 1.5;
}
.edit-textarea:focus { outline: none; border-color: var(--accent); }
.edit-actions { margin-top: 6px; display: flex; gap: 8px; }

.reply-form { margin-top: 8px; }
.reply-form textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    resize: vertical;
    min-height: 40px;
    font-family: inherit;
}
.reply-form textarea:focus { outline: none; border-color: var(--accent); }
.reply-actions { display: flex; gap: 8px; margin-top: 6px; }

/* ===== 个人中心 ===== */
.profile-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 28px;
    margin-bottom: 20px;
}

.profile-header { display: flex; gap: 20px; align-items: flex-start; }
.profile-avatar img {
    width: 80px; height: 80px;
    border-radius: 24px;
    object-fit: cover;
    border: 3px solid var(--border-color);
}
.profile-name { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.profile-bio { color: var(--text-secondary); font-size: 14px; margin-top: 6px; }
.profile-stats { display: flex; gap: 20px; margin-top: 12px; }
.profile-stats .stat { text-align: center; }
.profile-stats .stat-num { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 800; color: var(--text-primary); }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 700; }
.profile-joined { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* 徽章 */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    background: var(--body-bg);
    color: var(--text-muted);
}
.badge-success { background: var(--mint-soft); color: var(--mint); }
.badge-warning { background: var(--amber-soft); color: var(--amber); }
.badge-danger { background: var(--rose-soft); color: var(--rose); }

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 20px 0;
    flex-wrap: wrap;
}
.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--card-bg);
    text-decoration: none;
    transition: all 0.25s;
    text-align: center;
    box-sizing: border-box;
    padding: 0 14px;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.page-btn.active { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #fff; border-color: transparent; pointer-events: none; }
.page-btn.page-disabled {
    color: var(--text-muted);
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}
.page-ellipsis {
    padding: 8px 6px;
    color: var(--text-muted);
    font-size: 14px;
    letter-spacing: 2px;
    user-select: none;
}

/* ===== 灯箱 ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    overflow: auto;
}
.lightbox.active { display: flex; }
.lightbox.zoomed {
    cursor: grab;
}
.lightbox.zoomed.dragging { cursor: grabbing; }

.lightbox-content {
    margin: auto;
    flex-shrink: 0;
}
.lightbox-content img {
    max-width: 95vw;
    max-height: 90vh;
    object-fit: contain;
    display: block;
}
/* 放大后去除尺寸限制，由JS设宽高 */
.lightbox.zoomed .lightbox-content img {
    max-width: none;
    max-height: none;
    object-fit: fill;
}

.lightbox-close {
    position: fixed;
    top: 12px;
    right: 16px;
    background: rgba(0,0,0,0.6);
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
    z-index: 1001;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }

.lightbox-hint {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: #ccc;
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 100px;
    z-index: 1001;
    pointer-events: none;
    transition: opacity 0.3s;
}
.lightbox.zoomed .lightbox-hint { opacity: 0; }

/* 灯箱多图导航 */
.lightbox-prev, .lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: none;
    color: #fff;
    font-size: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
    user-select: none;
    -webkit-user-select: none;
}
.lightbox-prev { left: 12px; }
.lightbox-next { right: 12px; }
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(0,0,0,0.8); }
.lightbox.zoomed .lightbox-prev, .lightbox.zoomed .lightbox-next { opacity: 0; pointer-events: none; }

.lightbox-counter {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 14px;
    padding: 4px 14px;
    border-radius: 100px;
    z-index: 1001;
    pointer-events: none;
}
.lightbox.zoomed .lightbox-counter { opacity: 0; }

@media (max-width: 768px) {
    .lightbox-prev, .lightbox-next {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
}

/* ===== 登录/注册 ===== */
.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    padding: 36px;
    width: 100%;
    max-width: 420px;
}
.auth-title { font-family: 'Space Grotesk', sans-serif; font-size: 24px; font-weight: 800; text-align: center; margin-bottom: 24px; color: var(--text-primary); }
.auth-error { background: var(--rose-soft); color: var(--rose); padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; font-weight: 700; }
.auth-link { text-align: center; margin-top: 16px; font-size: 14px; color: var(--text-muted); }

/* ===== 帖子信息（详情侧边栏） ===== */
.post-info { font-size: 14px; }
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}
.info-row:last-child { border-bottom: none; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }

    .main-layout { flex-direction: column; padding: 16px; }
    .sidebar { width: 100%; order: 2; }

    .content-area { order: 1; width: 100%; min-width: 0; box-sizing: border-box; }

    /* 移动端多图：最多显示3张，隐藏第4张起 */
    .post-image-wrap.mobile-hidden { display: none; }
    .img-more-overlay { display: flex; }

    .post-images.multi {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    .multi .post-image { height: 140px; }

    .detail-title { font-size: 20px; }

    .profile-header { flex-direction: column; align-items: center; text-align: center; }
    .profile-info { width: 100%; }
    .profile-name { justify-content: center; }
    .profile-stats { justify-content: center; flex-wrap: wrap; }
    .profile-joined { margin-bottom: 8px; }
    .profile-bio { text-align: center; }

    /* 详情页移动端优化 */
    .post-header { flex-wrap: wrap; gap: 6px; }
    .detail-footer {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
    }
    .detail-footer .vote-buttons {
        gap: 6px;
    }
    .detail-footer .post-stats {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    /* 移动端操作按钮缩小 */
    .detail-footer .action-btn {
        padding: 6px 10px;
        font-size: 12px;
        gap: 4px;
        border-radius: 100px;
    }
    .detail-footer .action-btn span {
        display: none;
    }
    .detail-footer .action-btn svg {
        width: 16px;
        height: 16px;
    }
    .detail-footer .stat-item {
        font-size: 12px;
    }

    /* 编辑按钮移动端适配 */
    .detail-card .btn-sm { margin-left: 0; }
    .post-form-card { padding: 20px; }
    .form-actions { flex-direction: column; }
    .form-actions .btn-lg { width: 100%; }
    .auth-card { padding: 24px 20px; margin: 8px; }

    .comment-item.depth-1,
    .comment-item.depth-2,
    .comment-item.depth-3,
    .comment-item.depth-4,
    .comment-item.depth-5 {
        padding-left: 14px;
        margin-left: 0;
    }

    .comment-actions { flex-wrap: wrap; gap: 2px; }

    .sort-bar { flex-direction: column; gap: 8px; }
    .sort-tabs { flex-wrap: nowrap; width: 100%; gap: 4px; }
    .sort-tab { flex: 1; padding: 8px 4px; font-size: 13px; text-align: center; white-space: nowrap; border-radius: 8px; }

    /* 移动端排行榜：Tab卡片显示，PC独立section隐藏 */
    .ranking-tabs-card {
        display: block;
        background: var(--sidebar-bg);
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow);
        padding: 16px;
        margin-bottom: 20px;
    }
    .ranking-pc { display: none; }

    /* 详情页移动端铺满 */
    .detail-card .post-images,
    .detail-card .post-video { padding: 0; margin: 8px 0; }
    .detail-title { padding: 0 16px 10px; }
    .detail-footer { padding: 10px 16px; }
    .post-content { padding: 0 16px; }
    .post-header { padding: 16px; }
    .post-tags { padding: 8px 16px 14px; }

    /* 相关推荐移动端 */
    .related-posts-section { padding: 14px; margin-bottom: 16px; }
    .related-posts-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .related-title { font-size: 12px; padding: 6px 8px 4px; }
    .related-meta { padding: 0 8px 8px; }
}

@media (max-width: 480px) {
    .nav-container { padding: 0 16px; }
    .nav-title { display: none; }
    .post-title { font-size: 16px; }
    .post-images.multi { grid-template-columns: repeat(2, 1fr) !important; }
    .post-images.multi[data-count="3"] .post-image-wrap:last-child { max-width: 100%; }
    .multi .post-image { height: 120px; }
    .auth-card { padding: 24px 16px; }
}

/* ===== NSFW 开关 ===== */
.nsfw-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 4px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}
.nsfw-label {
    font-size: 12px;
    font-weight: 800;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.5px;
    user-select: none;
    pointer-events: none;
}
.nsfw-switch {
    display: inline-block;
    width: 32px;
    height: 18px;
    background: rgba(255,255,255,0.15);
    border-radius: 9px;
    position: relative;
    transition: background 0.2s;
    pointer-events: none;
}
.nsfw-switch.nsfw-on {
    background: var(--rose);
}
.nsfw-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
    pointer-events: none;
}
.nsfw-switch.nsfw-on .nsfw-knob {
    transform: translateX(14px);
}

/* ===== 暗黑模式切换 ===== */
.dark-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.25s;
    margin: 0 4px;
    user-select: none;
    -webkit-user-select: none;
}
.dark-toggle:hover {
    background: rgba(255,255,255,0.08);
}
.dark-icon {
    font-size: 16px;
    line-height: 1;
    pointer-events: none;
}

/* ===== NSFW 内容遮罩 ===== */
.nsfw-blur {
    position: relative;
}
.nsfw-blur .post-image {
    filter: blur(20px);
    transition: filter 0.3s;
}
.nsfw-blur:hover .post-image,
.nsfw-blur.revealed .post-image {
    filter: none;
}
.nsfw-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(4px);
    z-index: 5;
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.nsfw-overlay span {
    background: linear-gradient(135deg, var(--rose), var(--accent));
    color: #fff;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
}

/* ===== 文字内容排版 ===== */
.post-content, .post-content-excerpt {
    padding: 0 24px;
    margin-top: 4px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    word-break: break-word;
}
.post-content p, .post-content-excerpt p {
    margin-bottom: 8px;
}
.post-content a, .post-content-excerpt a {
    color: var(--accent);
    text-decoration: underline;
    word-break: break-all;
    display: inline-block;
    margin-bottom: 6px;
}
.post-content a:hover, .post-content-excerpt a:hover {
    color: var(--accent-hover);
}
.read-more-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    margin-top: 6px;
    padding: 6px 16px;
    border: 1px solid var(--accent);
    border-radius: 100px;
    transition: all 0.25s;
}
.read-more-link:hover {
    background: var(--accent);
    color: #fff;
    text-decoration: none;
}

/* ===== 通知铃铛 ===== */
.notif-bell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 100px;
    cursor: pointer;
    margin: 0 2px;
    color: rgba(255,255,255,0.6);
    transition: background 0.25s, color 0.25s;
}
.notif-bell:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.notif-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    background: var(--rose);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
}

/* ===== 通知面板 ===== */
.notif-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    background: transparent;
}
.notif-panel {
    position: fixed;
    top: 72px;
    right: 16px;
    width: 360px;
    max-width: calc(100vw - 32px);
    max-height: 480px;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    -webkit-flex-direction: column;
    box-sizing: border-box;
}
html.dark .notif-panel {
    box-shadow: 0 8px 40px rgba(0,0,0,.4);
}
.notif-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    font-weight: 800;
    font-size: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
}
.notif-mark-all {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 13px;
    cursor: pointer;
    font-weight: 700;
}
.notif-mark-all:hover {
    text-decoration: underline;
}
.notif-panel-body {
    flex: 1;
    -webkit-flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    max-height: 400px;
}
.notif-loading, .notif-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 16px;
    font-size: 14px;
    word-break: break-word;
    overflow-wrap: break-word;
}
.notif-item {
    display: flex;
    align-items: flex-start;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}
.notif-item:hover {
    background: var(--accent-soft);
}
.notif-item.unread {
    background: var(--accent-soft);
}
.notif-item-avatar {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    margin-right: 12px;
}
.notif-item-avatar-ph {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--rose));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    flex-shrink: 0;
    margin-right: 12px;
}
.notif-item-content {
    flex: 1;
    -webkit-flex: 1;
    min-width: 0;
    overflow: hidden;
}
.notif-item-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    word-break: break-word;
}
.notif-item-text strong {
    font-weight: 700;
}
.notif-item-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

@media (max-width: 640px) {
    .notif-panel {
        width: calc(100vw - 32px);
        right: 16px;
    }
}

/* ===== B站视频嵌入 ===== */
.bilibili-embed {
    margin: 8px 0;
    max-width: 100%;
}
.bilibili-embed iframe {
    border: none;
    border-radius: var(--radius-sm);
    width: 100%;
    height: 450px;
    max-width: 800px;
    display: block;
    margin: 10px 0;
    background: #000;
}
.bilibili-embed p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 2px 0 0 0;
}
@media (max-width: 768px) {
    .bilibili-embed iframe {
        height: 260px;
    }
}

/* ===== 验证码 ===== */
.captcha-question {
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 6px;
    letter-spacing: 2px;
    border: 1px solid var(--border-color);
}

/* ===== 评论点赞 ===== */
.comment-vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-muted);
    transition: all 0.15s ease;
    line-height: 1;
    opacity: 0;
}
.comment-item:hover .comment-vote-btn,
.comment-vote-btn.voted {
    opacity: 1;
}
.comment-vote-btn:hover {
    color: var(--accent);
    background: var(--accent-soft);
}
.comment-vote-btn.voted {
    color: var(--accent);
}
.comment-vote-btn.voted .comment-vote-icon {
    transform: scale(1.1);
}
.comment-vote-icon {
    transition: transform 0.15s ease;
}
.comment-vote-count {
    font-size: 12px;
    font-weight: 600;
}
.comment-vote-static {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 4px;
    opacity: 0;
}
.comment-item:hover .comment-vote-static {
    opacity: 1;
}

/* ===== 底部快捷评论 ===== */
.quick-comment-bar {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}
.quick-comment-bar form {
    display: flex;
    gap: 8px;
    align-items: center;
}
.quick-comment-bar input[type="text"] {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-size: 14px;
    background: var(--input-bg);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}
.quick-comment-bar input[type="text"]:focus {
    border-color: var(--accent);
}
.quick-comment-bar .btn-sm {
    border-radius: 24px;
    padding: 8px 20px;
    white-space: nowrap;
}

/* ===== 热评排行 ===== */
.hot-comment-item {
    flex-wrap: wrap;
    align-items: flex-start !important;
    gap: 4px;
}
.hot-comment-item .ranking-num {
    flex-shrink: 0;
}
.hot-comment-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.hot-comment-text {
    font-size: 13px;
    color: var(--text-primary);
    text-decoration: none;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hot-comment-text:hover {
    color: var(--accent);
}
.hot-comment-meta {
    font-size: 11px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hot-comment-item .ranking-count {
    flex-shrink: 0;
    font-size: 11px;
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}