:root{
  --bg:#f4f6fa; --card:#ffffff; --text:#1f2733; --muted:#8a94a6;
  --brand:#2f7cf6; --brand-d:#1f63d8; --red:#e5484d; --line:#e8ecf3;
  --pill:#eef3fd; --radius:14px;
}
[data-theme="dark"]{
  --bg:#14171d; --card:#1d2129; --text:#e8ecf3; --muted:#9aa3b5;
  --line:#2b313c; --pill:#232a38;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif;padding-bottom:80px}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
/* ===== 顶部胶囊导航 ===== */
.capsule{position:sticky;top:12px;z-index:50;background:var(--card);border-radius:999px;
  box-shadow:0 6px 24px rgba(31,99,216,.12);display:flex;align-items:center;gap:4px;
  padding:10px 18px;margin:12px auto;max-width:1180px}
.logo{font-weight:800;font-size:19px;color:var(--brand);margin-right:14px;white-space:nowrap}
.logo small{font-size:11px;color:var(--muted);font-weight:400;margin-left:6px}
.capsule nav{display:flex;gap:2px;flex:1}
.capsule nav a{padding:8px 14px;border-radius:999px;font-size:14px;white-space:nowrap}
.capsule nav a:hover{background:var(--pill);color:var(--brand)}
.capsule nav a.on{background:var(--brand);color:#fff}
.search-btn{border:1px solid var(--line);background:var(--card);border-radius:999px;
  padding:8px 16px;cursor:pointer;color:var(--muted);font-size:13px}
.search-btn:hover{color:var(--brand);border-color:var(--brand)}
/* ===== 左侧垂直图标栏 ===== */
.rail{position:fixed;left:14px;top:50%;transform:translateY(-50%);z-index:40;
  background:var(--card);border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,.08);
  padding:10px 8px;display:flex;flex-direction:column;gap:6px}
.rail a{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:19px;background:var(--pill);position:relative}
.rail a:hover{background:var(--brand);color:#fff}
.rail a span.tip{position:absolute;left:54px;top:50%;transform:translateY(-50%);background:#1f2733;color:#fff;
  font-size:12px;padding:4px 10px;border-radius:8px;white-space:nowrap;display:none}
.rail a:hover span.tip{display:block}
/* ===== Hero ===== */
.hero{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin:18px 0}
.banner{background:linear-gradient(120deg,#2f7cf6,#7a4ff2,#2f7cf6);background-size:220% 220%;border-radius:var(--radius);color:#fff;
  padding:34px 32px 22px;min-height:210px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;
  animation:bannerShift 14s ease-in-out infinite}
@keyframes bannerShift{0%,100%{background-position:0% 40%}50%{background-position:100% 60%}}
.banner h2{font-size:26px;margin-bottom:8px}
.banner p{opacity:.85;font-size:14px}
/* 图标跑马灯 */
.icon-marquee{overflow:hidden;margin-top:20px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:26px;width:max-content;animation:mqScroll 32s linear infinite}
.icon-marquee:hover .marquee-track{animation-play-state:paused}
@keyframes mqScroll{to{transform:translateX(-50%)}}
.mq-item{display:flex;flex-direction:column;align-items:center;gap:7px;text-decoration:none;flex:none}
.mq-item img{width:54px;height:54px;border-radius:14px;background:#fff;box-shadow:0 6px 16px rgba(0,0,0,.25);transition:transform .2s}
.mq-item:hover img{transform:scale(1.12) rotate(-4deg)}
.mq-item span{font-size:11px;color:rgba(255,255,255,.9);white-space:nowrap;max-width:76px;overflow:hidden;text-overflow:ellipsis}
/* 最近更新图标 */
.side-card li a{display:flex;align-items:center;gap:9px;flex:1;min-width:0;text-decoration:none;color:inherit}
.side-card li img{width:26px;height:26px;border-radius:7px;flex:none;background:#fff}
.side-card li .ric{width:26px;height:26px;border-radius:7px;flex:none;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:800;font-style:normal}
.side-card li .rn2{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-cards{display:flex;flex-direction:column;gap:16px}
.side-card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.side-card h4{font-size:14px;margin-bottom:10px}
.side-card li{list-style:none;font-size:13px;padding:5px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between}
.side-card li:last-child{border:0}
.side-card li em{font-style:normal;color:var(--muted);font-size:12px}
/* ===== 分区 ===== */
.section{margin:30px 0;scroll-margin-top:90px}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sec-head h3{font-size:19px}
.sec-head .tags{display:flex;gap:8px;flex:1;flex-wrap:wrap}
.sec-head .tags a{font-size:12px;background:var(--pill);padding:4px 12px;border-radius:999px;color:var(--muted)}
.sec-head .tags a.hot{background:#fdecec;color:var(--red)}
.sec-head .more{font-size:13px;color:var(--muted)}
.sec-head .more:hover{color:var(--brand)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid>*{min-width:0}
.card{background:var(--card);border-radius:var(--radius);padding:16px;display:flex;gap:12px;height:96px;overflow:hidden;
  box-shadow:0 2px 10px rgba(0,0,0,.04);transition:.15s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(31,99,216,.14)}
.icon-tile{width:52px;height:52px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:#fff}
/* 真实图标：icon 字段存在时渲染。图片盖住渐变字母，加载失败自动退回字母 */
.icon-tile.icon-img{position:relative;overflow:hidden;padding:0}
.icon-tile.icon-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff}
.card h4{font-size:14px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card h4 .ver{color:var(--muted);font-weight:400;font-size:12px}
.card p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .meta{font-size:11px;color:var(--muted);margin-top:auto;padding-top:6px;display:flex;gap:8px;align-items:center}
.card-body{display:flex;flex-direction:column;min-width:0;flex:1}
.badge{font-size:10px;padding:1px 7px;border-radius:99px;background:#e8f5e9;color:#1a9e54}
.badge.blue{background:#e8f0fe;color:var(--brand)}
.loadmore{display:block;text-align:center;margin:16px auto 0;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:10px 40px;cursor:pointer;color:var(--muted);font-size:13px}
.loadmore:hover{color:var(--brand);border-color:var(--brand)}
/* ===== 分类页 demo ===== */
.tabs{display:flex;gap:6px;margin:12px 0 16px}
.tabs a{padding:7px 18px;border-radius:999px;font-size:13px;background:var(--card);color:var(--muted)}
.tabs a.on{background:var(--brand);color:#fff}
.page-h{display:flex;align-items:baseline;gap:12px;margin-top:34px}
.page-h h2{font-size:22px}
.page-h span{color:var(--muted);font-size:13px}
/* ===== 详情页 demo ===== */
.detail{background:var(--card);border-radius:var(--radius);padding:28px;margin-top:34px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.crumb{font-size:12px;color:var(--muted);margin-bottom:16px}
.d-head{display:flex;gap:18px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}
.d-head .icon-tile{width:76px;height:76px;font-size:32px;border-radius:18px}
.d-head h2{font-size:22px}
.d-meta{font-size:12px;color:var(--muted);margin-top:8px;display:flex;gap:16px;flex-wrap:wrap}
.dl-zone{display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.dl-btn{background:var(--brand);color:#fff;border:0;border-radius:12px;padding:13px 46px;font-size:16px;cursor:pointer}
.dl-btn:hover{background:var(--brand-d)}
.dl-btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand);padding:12px 34px}
.dl-btn.ghost:hover{background:var(--brand);color:#fff}
.d-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.d-tags .tag{font-size:12px;padding:4px 12px;border-radius:99px;background:var(--pill);color:var(--muted)}
.dl-info{font-size:12px;color:var(--muted)}
.qr{width:74px;height:74px;border:1px dashed var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--muted);margin-left:auto}
.shots{display:flex;gap:12px;padding:20px 0;overflow:hidden}
.shot{flex:1;min-width:0;height:150px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px}
.d-body{padding:6px 0 20px;font-size:14px}
.d-body h4{margin:14px 0 8px;font-size:16px}
.d-body ul{margin-left:20px}
.rel h4{margin:18px 0 12px;font-size:16px}
.rel .grid{grid-template-columns:repeat(3,1fr)}
/* ===== 分支页 / 搜索 demo ===== */
.branch{background:var(--card);border-radius:var(--radius);padding:24px;margin-top:34px}
.branch h2{font-size:20px;margin-bottom:6px}
.branch p.desc{font-size:13px;color:var(--muted);margin-bottom:14px}
.branch table{width:100%;border-collapse:collapse;font-size:13px}
.branch th,.branch td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.branch th{color:var(--muted);font-weight:400;font-size:12px}
.branch code{background:var(--pill);padding:2px 8px;border-radius:6px;font-size:12px}
.search-demo{background:var(--card);border-radius:var(--radius);padding:24px;margin-top:22px}
.search-demo h2{font-size:20px;margin-bottom:12px}
.s-tabs{display:flex;gap:8px;margin-bottom:12px}
.s-tabs a{font-size:13px;padding:6px 18px;border-radius:999px;background:var(--pill);color:var(--muted)}
.s-tabs a.on{background:var(--brand);color:#fff}
.s-row{display:flex;gap:10px;margin-bottom:16px}
.s-row input{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:var(--bg);color:var(--text);font-size:14px}
.s-row button{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:0 26px;cursor:pointer}
.hot-words{margin:0 0 12px;font-size:13px;color:var(--muted)}
.hot-words a{display:inline-block;margin:0 6px 6px 0;padding:4px 14px;border-radius:99px;background:var(--pill);color:var(--muted);text-decoration:none;font-size:12px}
.hot-words a:hover{color:var(--brand);background:#e8f0fe}
.empty-tip{text-align:center;padding:40px 20px;color:var(--muted);font-size:14px}
.pagenum{display:flex;gap:8px;justify-content:center;margin-top:16px}
.pagenum a{width:34px;height:34px;border-radius:10px;background:var(--card);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.pagenum a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
/* ===== 页脚 ===== */
footer{background:var(--card);margin-top:44px;padding:34px 0 26px;border-top:1px solid var(--line)}
.f-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.f-brand .logo{font-size:22px}
.slogan{font-size:13px;color:var(--muted);margin:8px 0 14px;letter-spacing:2px}
.f-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.f-links a:hover{color:var(--brand)}
.f-qr{display:flex;gap:12px}
.f-qr div{width:86px;height:86px;border:1px dashed var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--muted)}
.copy{text-align:center;color:var(--muted);font-size:12px;margin-top:24px}
/* ===== 浮动工具栏 / 搜索面板 ===== */
.toolbar{position:fixed;right:18px;bottom:24px;display:flex;flex-direction:column;gap:8px;z-index:40}
.toolbar button{width:44px;height:44px;border-radius:12px;border:0;background:var(--card);cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.1);font-size:18px;color:var(--muted)}
.toolbar button:hover{color:var(--brand)}
.search-panel{position:fixed;left:0;right:0;bottom:-320px;z-index:60;background:var(--card);border-radius:20px 20px 0 0;
  box-shadow:0 -8px 30px rgba(0,0,0,.12);padding:22px;transition:.25s;max-width:640px;margin:0 auto}
.search-panel.open{bottom:0}
/* ===== 排行榜 ===== */
.rank-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:4px}
.rank-col{background:var(--card);border-radius:var(--radius);padding:18px 20px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.rank-col h4{font-size:15px}
.mini-tabs{display:flex;gap:6px;margin:10px 0 6px}
.mini-tabs a{font-size:11px;padding:4px 13px;border-radius:999px;background:var(--pill);color:var(--muted);cursor:pointer}
.mini-tabs a.on{background:var(--red);color:#fff}
.rank-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.rank-row:last-child{border:0}
.rank-num{width:26px;height:26px;border-radius:8px;background:var(--pill);color:var(--muted);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.rank-num.top{background:var(--red);color:#fff}
.rank-row .icon-tile{width:40px;height:40px;font-size:16px;border-radius:10px}
.rank-row .rn{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.rank-row .rn .ver{color:var(--muted);font-weight:400;font-size:11px}
.rank-row .rv{margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap}
@media(max-width:900px){.rank-cols{grid-template-columns:1fr}}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.rail{display:none}.rel .grid{grid-template-columns:1fr}}