/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
}
.main-content { min-width: 0; }

/* ===== article list page ===== */

.art-main {
  background: #fff;
  border: 1px solid #ebeef5;
  border-radius: 10px;
  overflow: hidden;
}
.art-list-hd {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 22px;
  border-bottom: 1px solid #f3f4f6;
}
.art-list-hd h2 { font-size: 18px; font-weight: 700; color: #111827; }
.art-list-hd .hd-count { font-size: 12px; color: #2563eb; background: #eff6ff; padding: 2px 10px; border-radius: 12px; }
.art-list-hd .hd-filter { margin-left: auto; display: flex; gap: 6px; }
.art-list-hd .hd-filter a { font-size: 13px; color: #6b7280; text-decoration: none; padding: 5px 10px; border-radius: 6px; transition: all .2s; }
.art-list-hd .hd-filter a.on,.art-list-hd .hd-filter a:hover { background: #eff6ff; color: #2563eb; }
.art-item { display: flex; gap: 18px; padding: 20px 22px; border-bottom: 1px solid #f3f4f6; transition: background .2s; }
.art-item:last-child { border-bottom: none; }
.art-item:hover { background: #fafbff; }
.art-thumb { width: 180px; height: 108px; border-radius: 8px; overflow: hidden; position: relative; flex-shrink: 0; background: linear-gradient(135deg, #dbeafe, #e0e7ff); display: flex; align-items: center; justify-content: center; color: #3b82f6; font-size: 30px; }
.art-thumb .art-count {
  position: absolute;
  right: 6px;
  bottom: 6px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: #fff;
  background: rgba(17, 24, 39, 0.62);
  padding: 2px 7px;
  border-radius: 10px;
  line-height: 1.4;
  font-weight: 500;
  z-index: 2;
}
.art-thumb .art-count .iconfont { font-size: 11px; margin: 0; }
/* ---- art-item 交互增强 ---- */
.art-thumb .art-emoji {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
}
.art-item {
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.art-item:hover {
  background: #fff;
  transform: translateX(5px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, .10);
  border-radius: 10px;
  z-index: 1;
}
.art-item:hover .art-thumb { border: 1px solid #bfdbfe; }
.art-item:hover .art-emoji { transform: scale(1.18) rotate(-4deg); }
.art-thumb .art-count { transition: background .25s ease, transform .25s ease; }
.art-item:hover .art-count { background: rgba(17, 24, 39, .8); transform: scale(1.06); }
.art-title a { transition: color .25s ease, padding-left .25s ease; }
.art-item:hover .art-title a { padding-left: 3px; }
.art-meta .am-tag { transition: color .2s ease, background .2s ease, border-color .2s ease; }
.art-meta .am-tag:hover { background: #2563eb; border-color: #2563eb; color: #fff; }
/* hd-count 数字滚动样式 */
.art-list-hd .hd-count .sum,
.side-title .sum {
  font-size: 15px;
  color: #2563eb;
  font-weight: 700;
  display: inline-block;
}
.art-ctt { flex: 1; min-width: 0; }
.art-title { font-size: 16px; font-weight: 600; color: #1f2937; line-height: 1.45; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-title a { color: inherit; text-decoration: none; }
.art-item:hover .art-title a { color: #2563eb; }
.art-desc { font-size: 13px; color: #6b7280; line-height: 1.7; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; color: #9ca3af; }
.art-meta .am-cat { color: #2563eb; }
.art-meta .am-dot { width: 3px; height: 3px; border-radius: 50%; background: #d1d5db; }
.pagi { display: flex; gap: 6px; padding: 16px 22px 20px; justify-content: center; align-items: center; }
.pagi a { min-width: 32px; height: 32px; line-height: 30px; text-align: center; font-size: 13px; color: #6b7280; border-radius: 6px; border: 1px solid #e5e7eb; background: #fff; text-decoration: none; padding: 0 8px; transition: all .2s; }
.pagi a.on,.pagi a:hover { background: #2563eb; border-color: #2563eb; color: #fff; }
.pagi .pg-space { color: #b6bcc6; padding: 0 4px; }
/* 二级分类导航 */
.art-sub-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 22px;
  border-bottom: 1px solid #f3f4f6;
  background: #fafbff;
}
.art-sub-nav a {
  font-size: 13px;
  color: #6b7280;
  text-decoration: none;
  padding: 5px 14px;
  border-radius: 20px;
  transition: all .2s;
}
.art-sub-nav a:hover { color: #2563eb; background: #eff6ff; }
.art-sub-nav a.on { background: #2563eb; color: #fff; font-weight: 500; }
/* meta 图标 + tag 右对齐 */
.art-meta .am-time,
.art-meta .am-ico { display: inline-flex; align-items: center; gap: 4px; }
.art-meta .am-time .iconfont,
.art-meta .am-ico .iconfont { font-size: 13px; color: #9ca3af; }
.art-meta .am-tag {
  margin-left: auto;
  font-size: 11px;
  color: #2563eb;
  background: #eff6ff;
  border: 1px solid #dbeafe;
  padding: 1px 8px;
  border-radius: 10px;
  font-weight: 500;
}

/* Sidebar */
.sidebar { min-width: 0; }
.side-card {
  padding: 18px 20px;
  margin-bottom: 16px;
}
.side-title {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f3f4f6;
  display: flex;
  align-items: center;
  gap: 6px;
}
.side-title .iconfont { color: #2563eb; font-size: 16px; }
.side-title .na-more {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: #9ca3af;
  text-decoration: none;
  transition: color .2s ease;
}
.side-title .na-more:hover { color: #2563eb; }
/* 最新文章列表（复用首页“今日热门”小圆点 + hover 填充特效） */
.latest-list { padding: 4px 0 8px; }
.latest-list li {
  padding: 0;
  list-style: none;
  border-bottom: 1px solid #f5f6f8;
}
.latest-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  font-size: 13px;
  color: #374151;
  text-decoration: none;
}
.latest-list li:last-child { border-bottom: none; }
.latest-list .ll-t {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.latest-list .ll-t::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1.5px solid #c7d2fe;
  margin-right: 7px;
  vertical-align: middle;
  flex-shrink: 0;
  transition: all .25s ease;
}
.latest-list .ll-d { flex-shrink: 0; font-size: 12px; color: #9ca3af; }
.latest-list li:hover { background: #f8faff; }
.latest-list li:hover .ll-t { color: #2563eb; }
.latest-list li:hover .ll-t::before { background: #93c5fd; border-color: #93c5fd; }
/* 广告位（预留）—— 虚线占位，可替换为真实广告图 */
.side-ad {
  position: relative;
  margin-bottom: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #ebeef5;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
}
.side-ad .sa-tag {
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0,0,0,.06);
  color: #6b7280;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 0 0 6px 0;
}
.side-ad .sa-inner {
  height: 170px;
  border: 1.5px dashed #d1d5db;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #9ca3af;
}
.side-ad .sa-icon { font-size: 30px; }
.side-ad .sa-title { font-size: 14px; color: #6b7280; margin: 0; }
.side-ad .sa-size { font-size: 12px; color: #c0c4cd; }
.side-rank-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed #f0f0f0;
  transition: all 0.2s;
}
.side-rank-list li:last-child { border-bottom: none; }
.side-rank-list li:hover { padding-left: 4px; }
.side-rank-list li:hover .side-rank-name { color: #2563eb; }
.rank-num {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: #e5e7eb;
  color: #6b7280;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rank-num.top1 { background: #fef3c7; color: #b45309; }
.rank-num.top2 { background: #f3f4f6; color: #6b7280; }
.rank-num.top3 { background: #fef3c7; color: #d97706; }
.side-rank-name {
  flex: 1;
  font-size: 13px;
  color: #374151;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
}
.side-rank-heat { font-size: 12px; color: #9ca3af; flex-shrink: 0; }

/* Ad placeholder */
.ad-box {
  padding: 20px;
  text-align: center;
  margin-bottom: 16px;
}
.ad-box .ad-label {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(0,0,0,0.1);
  border-radius: 4px;
  font-size: 11px;
  color: #78350f;
  margin-bottom: 8px;
}
.ad-box h4 { font-size: 15px; color: #78350f; margin-bottom: 4px; }
.ad-box p { font-size: 12px; color: #92400e; opacity: 0.8; }

/* Quick links */
.quick-links { display: flex; flex-wrap: wrap; gap: 6px; }
.quick-links a {
  padding: 5px 10px;
  background: #f3f4f6;
  color: #4b5563;
  border-radius: 4px;
  font-size: 12px;
  transition: all 0.2s;
}
.quick-links a:hover { background: #2563eb; color: #fff; }

/* 评论模块 */
.comment-section .section-bd { padding: 0; }
.comment-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid #f3f4f6;
}
.comment-head .count {
  font-size: 12px;
  color: #3b82f6;
  background: #eff6ff;
  padding: 1px 10px;
  border-radius: 12px;
}
.comment-head .write-btn {
  margin-left: auto;
  padding: 7px 18px;
  font-size: 13px;
  color: #fff;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  border: none;
  border-radius: 18px;
  cursor: pointer;
  transition: opacity .2s;
}
.comment-head .write-btn:hover { opacity: .9; }
.comment-list { padding: 4px 18px; }
.comment-item {
  display: flex;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid #f5f6f8;
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
}
.comment-avatar.c2 { background: linear-gradient(135deg, #10b981, #34d399); }
.comment-avatar.c3 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.comment-main { flex: 1; min-width: 0; }
.comment-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.comment-name { font-size: 13px; font-weight: 600; color: #1f2937; }
.comment-time { font-size: 12px; color: #9ca3af; }
.comment-text { font-size: 13px; color: #4b5563; line-height: 1.7; }
.comment-actions { display: flex; gap: 16px; margin-top: 10px; }
.comment-actions button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #9ca3af;
  background: none;
  border: none;
  cursor: pointer;
  transition: color .2s;
}
.comment-actions button:hover { color: #3b82f6; }
.comment-actions .like-btn.active { color: #ef4444; }
.comment-compose {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-top: 1px solid #f3f4f6;
  align-items: flex-start;
}
.comment-compose .compose-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
}
.comment-compose textarea {
  flex: 1;
  min-height: 64px;
  resize: none;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}
.comment-compose textarea:focus { border-color: #3b82f6; }
.comment-compose .send {
  align-self: flex-end;
  padding: 8px 22px;
  font-size: 13px;
  color: #fff;
  background: #3b82f6;
  border: none;
  border-radius: 18px;
  cursor: pointer;
}
.comment-compose .send:hover { opacity: .9; }
/* 层级回复 */
.comment-reply {
  margin: 10px 0 0 52px;
  padding: 10px 14px;
  background: #f8fafc;
  border-radius: 8px;
  border-left: 3px solid #dbeafe;
}
.comment-reply .cr-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.comment-reply .cr-name { font-size: 12px; font-weight: 600; color: #3b82f6; }
.comment-reply .cr-time { font-size: 11px; color: #9ca3af; }
.comment-reply .cr-text { font-size: 13px; color: #4b5563; line-height: 1.6; }
.comment-reply .cr-actions { display: flex; gap: 14px; margin-top: 6px; }
.comment-reply .cr-actions button {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px;
  color: #9ca3af; background: none; border: none; cursor: pointer; transition: color .2s;
}
.comment-reply .cr-actions button:hover { color: #3b82f6; }

/* 侧边 Tab 排行（文章/软件） —— 复刻 qqziyuan umAppTabs */
.widget.umAppTabs {
  background: #fff;
  border: 1px solid #ebeef5;
  border-radius: 10px;
  padding: 20px 22px 18px;
  margin-bottom: 16px;
}
.widget.umAppTabs .umTabe {
  margin-bottom: 6px;
  overflow: hidden;
  font-size: 0;
  border-bottom: 1px solid #f2f3f7;
  text-align: center;
}
.widget.umAppTabs .umTabe li {
  display: inline-block;
  height: 36px;
  line-height: 36px;
  padding: 0 6px 0 2px;
  font-size: 15px;
  font-weight: 600;
  color: #4b5563;
  cursor: pointer;
  position: relative;
  margin-right: 22px;
}
.widget.umAppTabs .umTabe li.active { color: #2563eb; }
.widget.umAppTabs .umTabe li.active::after {
  content: '';
  position: absolute;
  left: 2px;
  right: 6px;
  bottom: -1px;
  height: 2px;
  background: #2563eb;
  border-radius: 2px;
}
.widget.umAppTabs .umTabeCon { padding: 0; background: none; min-height: auto; }
.umAppTabs .umAppTops { counter-reset: sectioncounter; display: none; }
.umAppTabs .umAppTops:first-child { display: block; }
.umAppTabs .umAppTops li {
  position: relative;
  font-size: 14px;
  width: 100%;
  height: 20px;
  line-height: 20px;
  margin: 14px 0 6px;
  padding-left: 32px;
  overflow: hidden;
  white-space: normal;
}
.umAppTabs .umAppTops li .pic {
  width: 68px;
  height: 68px;
  display: none;
  border-radius: 15px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
.umAppTabs .umAppTops li .pic a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
}
.umAppTabs .umAppTops li.on { height: 68px; line-height: 20px; }
.umAppTabs .umAppTops li.on .pic { display: flex; float: left; }
.umAppTabs .umAppTops li.on .text {
  overflow: hidden;
  padding-left: 15px;
  margin-top: 8px;
}
.umAppTabs .umAppTops li.on .tit { width: 100%; padding-right: 0; line-height: 20px; margin-bottom: 5px; }
.umAppTabs .umAppTops li.on .divTit { padding-top: 0; width: 100%; text-align: left; }
.umAppTabs .umAppTops .tit {
  display: inline-block;
  width: 72%;
  padding-right: 5px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  vertical-align: middle;
  font-weight: 500;
  color: #374151;
}
.umAppTabs .umAppTops .tit a:hover { color: #2563eb; }
.umAppTabs .umAppTops .divTit {
  font-size: 12px;
  opacity: .4;
  overflow: hidden;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  width: 28%;
  text-align: right;
  vertical-align: middle;
}
.umAppTabs .umAppTops li::before {
  content: counter(sectioncounter);
  counter-increment: sectioncounter;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  position: absolute;
  background: rgba(233, 234, 240, 1);
  color: #666;
  top: 0;
  left: 0;
  font-size: 12px;
  font-weight: bold;
  border-radius: 50px;
}
.umAppTabs .umAppTops li.on::before { height: 68px; line-height: 68px; }
.umAppTabs .umAppTops li:nth-child(1)::before,
.umAppTabs .umAppTops li:nth-child(2)::before,
.umAppTabs .umAppTops li:nth-child(3)::before { color: #fff; }
.umAppTabs .umAppTops li:nth-child(1)::before { background: #ff3a3a; }
.umAppTabs .umAppTops li:nth-child(2)::before { background: #ff9e20; }
.umAppTabs .umAppTops li:nth-child(3)::before { background: #dbad42; }

/* article center table */
.main-layout { grid-template-columns: 1fr; }
.art-center { background: #fff; border: 1px solid #ebeef5; border-radius: 12px; overflow: hidden; display: grid; grid-template-columns: 220px 1fr; align-items: stretch; }
.art-nav { border-right: 1px solid #eef1f6; }
.art-nav .an-title { padding: 14px 18px; font-size: 14px; font-weight: 700; color: #111827; border-bottom: 1px solid #f3f4f6; }
.art-nav ul.an-list { list-style: none; margin: 0; padding: 8px 0; }
.art-nav .an-list li a { display: flex; align-items: center; gap: 8px; padding: 10px 18px; font-size: 14px; color: #4b5563; text-decoration: none; border-left: 3px solid transparent; transition: all .2s; }
.art-nav .an-list .an-ico { width: 20px; text-align: center; flex-shrink: 0; font-size: 16px; display: inline-block; }
.art-nav .an-list li.active a, .art-nav .an-list li a:hover { background: #eff6ff; color: #2563eb; border-left-color: #2563eb; }
.art-nav .an-list li.active a { font-weight: 600; }
.art-table-wrap { border-radius: 0; }
.art-table { width: 100%; border-collapse: collapse; }
.art-table th { background: #f8fafc; font-size: 13px; font-weight: 600; color: #6b7280; text-align: left; padding: 12px 16px; border-bottom: 1px solid #eef1f6; }
.art-table td { padding: 13px 16px; font-size: 13px; color: #374151; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
.art-table tr:last-child td { border-bottom: none; }
.art-table tbody tr { transition: background .2s; }
.art-table tbody tr:hover { background: #fafbff; }
.art-table .at-dot { width: 30px; }
.art-table .at-dot i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid #c7d2fe; transition: all .25s; }
.art-table tbody tr:hover .at-dot i { background: #93c5fd; border-color: #93c5fd; }
.art-table .at-cat a { color: #2563eb; text-decoration: none; }
.art-table .at-title a { color: #374151; text-decoration: none; font-weight: 500; }
.art-table .at-title a:hover { color: #2563eb; }
.art-table .at-view { color: #9ca3af; }
.art-table .at-btn { display: inline-block; padding: 4px 14px; font-size: 12px; color: #2563eb; background: #eff6ff; border: 1px solid #dbeafe; border-radius: 6px; text-decoration: none; transition: all .2s; }
.art-table .at-btn:hover { background: #2563eb; color: #fff; }
#centerPagi { display: flex; gap: 6px; padding: 16px 22px; justify-content: center; }
#centerPagi a { min-width: 30px; height: 30px; line-height: 28px; text-align: center; font-size: 13px; color: #6b7280; border-radius: 6px; border: 1px solid #e5e7eb; background: #fff; text-decoration: none; padding: 0 8px; }
#centerPagi a.on, #centerPagi a:hover { background: #2563eb; border-color: #2563eb; color: #fff; }