:root{
  --bg:#FBFAF7; --card:#FFFFFF; --ink:#1F1D1B; --ink2:#6B6560; --ink3:#9A938B;
  --pink:#E0708F; --pink2:#FCEEF2; --pink3:#C4557A; --line:#EDE8E1; --gray:#C9C4BC;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC","STSong",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

.app{container-type:inline-size;display:grid;grid-template-columns:272px 1fr;height:100vh;background:var(--bg);position:relative}
.scrim{position:absolute;inset:0;background:rgba(31,29,27,.28);opacity:0;pointer-events:none;transition:.2s;z-index:20}
.main{min-height:0}

/* ---------- 侧栏 ---------- */
.side{border-right:1px solid var(--line);background:#F7F4EF;display:flex;flex-direction:column;overflow:hidden}
.brand{display:flex;align-items:center;gap:9px;padding:20px 20px 10px}
.brand .dot{width:9px;height:9px;border-radius:3px;background:var(--pink);transform:rotate(45deg)}
.brand b{font-family:var(--serif);font-size:17px;letter-spacing:.5px;font-weight:600}
.brand span{font-size:11px;color:var(--ink3);margin-left:auto}
.searchbox{margin:8px 14px 10px;position:relative}
.searchbox input{width:100%;height:34px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:0 30px 0 30px;font-size:13px;color:var(--ink);outline:none}
.searchbox input::placeholder{color:var(--ink3)}
.searchbox input:focus{border-color:var(--pink);box-shadow:0 0 0 3px var(--pink2)}
.searchbox .ico{position:absolute;left:9px;top:9px;width:14px;height:14px;opacity:.45}
.searchbox kbd{position:absolute;right:8px;top:8px;font:11px/18px var(--sans);color:var(--ink3);border:1px solid var(--line);border-radius:4px;padding:0 5px;background:#FAF8F4}

.tree{flex:1;overflow:auto;padding:4px 8px 26px}
.tree::-webkit-scrollbar{width:6px}
.tree::-webkit-scrollbar-thumb{background:#DED8CF;border-radius:3px}
.row{display:flex;align-items:center;gap:8px;width:100%;padding:7px 8px;border-radius:7px;text-align:left;font-size:13.5px;color:var(--ink)}
.row:hover{background:#F0EBE4}
.row .chev{width:5px;height:5px;border-right:1.4px solid var(--ink3);border-bottom:1.4px solid var(--ink3);transform:rotate(-45deg);transition:transform .16s;flex:none;margin-right:2px}
.row.open .chev{transform:rotate(45deg)}
.row .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .cnt{font-size:11px;color:var(--ink3);background:#EFEAE3;border-radius:999px;padding:0 6px;min-width:20px;text-align:center}
.row.s{border:1px solid #EAE4DB;background:#F2EDE6}
.row.s .nm{color:var(--ink)}
.row.s.open{background:#EFE7DF}
.row.c{padding-left:16px;font-size:13px;color:var(--ink2)}
.row.sec{padding-left:32px;font-size:12.5px;color:var(--ink2)}
.row.sec .nm{font-variant-numeric:tabular-nums}
.row.ghost .nm,.row.ghost .cnt{color:var(--gray)}
.row.on{background:var(--pink2);color:var(--pink3);font-weight:600}
.row.on .chev{border-color:var(--pink3)}
.row.on::before{content:"";position:absolute;left:0;width:2px;height:16px;background:var(--pink);border-radius:2px;margin-left:-8px}
.row{position:relative}
.sidefoot{border-top:1px solid var(--line);padding:10px 16px;font-size:11px;color:var(--ink3);display:flex;justify-content:space-between;align-items:center}
.sidefoot b{color:var(--ink2);font-weight:600}

/* ---------- 主区 ---------- */
.main{display:flex;flex-direction:column;overflow:hidden}
.topbar{height:52px;flex:none;display:flex;align-items:center;gap:10px;padding:0 26px;border-bottom:1px solid var(--line);background:rgba(251,250,247,.92);backdrop-filter:blur(6px)}
.crumb{font-size:12.5px;color:var(--ink3);display:flex;gap:7px;align-items:center;flex:1;min-width:0}
.crumb a:hover{color:var(--pink3)}
.crumb .sp{opacity:.5}
.crumb b{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.burger{display:none;width:32px;height:32px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;background:#fff}
.homebtn{width:30px;height:30px;flex:none;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink2)}
.homebtn svg{width:15px;height:15px}
.homebtn:hover{border-color:var(--pink);color:var(--pink3);background:var(--pink2)}
.burger i{display:block;width:14px;height:1.5px;background:var(--ink);box-shadow:0 -4px 0 var(--ink),0 4px 0 var(--ink)}
.ghostbtn{font-size:12.5px;color:var(--ink2);border:1px solid var(--line);border-radius:7px;padding:5px 10px;background:#fff}
.ghostbtn:hover{border-color:var(--pink);color:var(--pink3)}

.view{flex:1;overflow:auto;scroll-behavior:smooth}
.wrap{max-width:880px;margin:0 auto;padding:34px 26px 80px}
.wrap.wide{max-width:1060px}

/* 首页 */
.hero{padding:6px 0 26px;border-bottom:1px solid var(--line)}
.hero h1{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:.5px;color:var(--pink3)}
.hero p{color:var(--ink2);margin-top:8px;font-size:13.5px;max-width:560px}
.stats{display:flex;gap:30px;margin-top:20px}
.stats2{display:flex;gap:9px;flex-wrap:wrap;margin-top:15px}
.stats2 .k{display:flex;align-items:baseline;gap:6px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:11.5px;color:var(--ink2)}
.stats2 .k b{font-family:var(--serif);font-size:15px;color:var(--pink3);font-weight:600}
.warn{display:flex;gap:9px;align-items:flex-start;background:#FBF3E4;border:1px solid #F0E2C4;color:#8A6A32;font-size:12px;line-height:1.65;padding:9px 12px;border-radius:7px;margin-top:14px;max-width:760px}
.warn i{font-style:normal;font-size:13px;line-height:1.4}
.warnmark{color:#B9924E;font-size:11px;margin-right:5px}
.miss{margin-top:26px;padding:11px 14px;border:1px dashed var(--line);border-radius:7px;font-size:11.5px;color:var(--ink3);line-height:1.9}
.miss span{display:inline-block;margin-right:10px;color:var(--gray)}
.lbl-short{display:none}
.stats div b{font-family:var(--serif);font-size:22px;font-weight:600}
.stats div span{font-size:11.5px;color:var(--ink3);margin-left:5px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 6px}
.card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:16px 17px 14px;transition:.15s;cursor:pointer}
.card:hover{border-color:#E7C8D2;box-shadow:0 2px 12px rgba(224,112,143,.09);transform:translateY(-1px)}
.card .hd{display:flex;align-items:baseline;gap:8px}
.card .hd b{font-family:var(--serif);font-size:17px;font-weight:600}
.card .hd em{font-style:normal;font-size:11.5px;color:var(--ink3);margin-left:auto}
.card .ch{margin-top:10px;font-size:12.5px;color:var(--ink2);line-height:1.9}
.card .ch span{white-space:nowrap}
.card .ch i{font-style:normal;color:var(--gray);margin:0 5px}
.sec-title{display:flex;align-items:baseline;gap:10px;margin:30px 0 10px;font-family:var(--serif);font-size:15px;font-weight:600}
.sec-title em{font-style:normal;font-family:var(--sans);font-size:11.5px;color:var(--ink3);font-weight:400;margin-left:auto}
.recent{list-style:none;border-top:1px solid var(--line)}
.recent li{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line);font-size:13.5px}
.recent li .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.recent li .p{font-size:11.5px;color:var(--ink3)}
.recent li:hover .t{color:var(--pink3)}

/* 章页 */
.chap-hd{padding-bottom:22px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:11.5px;letter-spacing:2px;color:var(--pink);text-transform:uppercase;margin-bottom:6px}
.chap-hd h1{font-family:var(--serif);font-size:27px;font-weight:600;color:var(--pink3)}
.chap-hd .sub{color:var(--ink3);font-size:12.5px;margin-top:7px}
.blk{padding:22px 0;border-bottom:1px solid var(--line)}
.blk h2{font-family:var(--serif);font-size:16px;font-weight:600;display:flex;align-items:baseline;gap:9px}
.blk h2 .num{font-family:var(--sans);font-size:12.5px;color:var(--pink);font-weight:600;font-variant-numeric:tabular-nums}
.blk h2 .cnt{font-family:var(--sans);font-size:11px;color:var(--ink3);font-weight:400}
.blk.empty h2{color:var(--gray)}
.blk.empty h2 .num{color:var(--gray)}
.notes{margin-top:8px}
.nrow{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:8px;border:1px solid transparent;cursor:pointer}
.nrow:hover{background:#fff;border-color:var(--line);box-shadow:0 1px 6px rgba(0,0,0,.03)}
.nrow .tt{font-size:13.5px;min-width:0}
.nrow .chips{display:flex;gap:5px;flex:none}
.nrow .dt{font-size:11.5px;color:var(--ink3);font-variant-numeric:tabular-nums;flex:none}
.nrow .pg{font-size:11.5px;color:var(--ink3);flex:none;width:44px;text-align:right}
.mapcard{display:flex;gap:14px;align-items:center;margin-top:20px;padding:12px;border:1px solid #F0DCE3;background:linear-gradient(180deg,#FDF6F8,#fff);border-radius:10px;cursor:pointer}
.mapcard img{width:168px;height:112px;object-fit:cover;object-position:0% 44%;border-radius:6px;border:1px solid var(--line);background:#fff}
.mapcard .tx b{font-family:var(--serif);font-size:14.5px;display:block}
.mapcard .tx span{font-size:11.5px;color:var(--ink3)}
.mapcard .go{margin-left:auto;font-size:12px;color:var(--pink3);white-space:nowrap}

/* 阅读页 */
.note-hd{padding-bottom:16px;border-bottom:1px solid var(--line)}
.note-hd h1{font-family:var(--serif);font-size:26px;font-weight:600;line-height:1.35;color:var(--pink3)}
.meta{margin-top:9px;font-size:12px;color:var(--ink3);display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.meta a{color:var(--pink3);border-bottom:1px dashed #E9B7C6}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:13px}
.chip{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--ink2);background:#fff;white-space:nowrap;cursor:pointer}
.chip:hover{border-color:#E9B7C6;color:var(--pink3)}
.chip.p{border-color:transparent;background:var(--pink);color:#fff}
.chip.p:hover{background:var(--pink3);color:#fff}
.chip.mini{font-size:11px;padding:1px 8px}
.pages{margin-top:22px;display:flex;flex-direction:column;gap:14px;max-width:760px}
.pages figure{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.03)}
.pages img{width:100%;display:block}
.pages figure{cursor:zoom-in}
.pages figcaption{font-size:11px;color:var(--ink3);padding:6px 10px;border-top:1px solid var(--line);background:#FCFBF9}
.pager{display:flex;justify-content:space-between;margin-top:26px;max-width:760px;font-size:12.5px}
.pager a{border:1px solid var(--line);border-radius:8px;padding:9px 14px;background:#fff;max-width:46%}
.pager a:hover{border-color:var(--pink);color:var(--pink3)}
.pager a span{display:block;font-size:11px;color:var(--ink3);margin-bottom:2px}
.pager a.next{text-align:right;margin-left:auto}

/* 标签页 */
.tag-hd{padding:6px 0 22px;border-bottom:1px solid var(--line)}
.tag-hd h1{font-family:var(--serif);font-size:26px;font-weight:600;color:var(--pink3)}
.tag-hd h1 .hash{color:var(--pink);margin-right:4px;font-weight:400}
.tag-hd .sub{color:var(--ink3);font-size:12.5px;margin-top:6px}
.dist{margin-top:16px;display:flex;flex-direction:column;gap:7px;max-width:420px}
.dist .b{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink2)}
.dist .b span:first-child{width:118px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dist .bar{flex:1;height:7px;background:#F1ECE5;border-radius:4px;overflow:hidden}
.dist .bar i{display:block;height:100%;background:linear-gradient(90deg,#F0A5BB,var(--pink));border-radius:4px}
.dist .b em{font-style:normal;color:var(--ink3);width:22px;text-align:right;font-size:11px}

/* 错题 */
.rgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.rcard{border:1px solid var(--line);background:#fff;border-radius:10px;padding:16px 17px;cursor:pointer;transition:.15s}
.rcard:hover{border-color:#E7C8D2;box-shadow:0 2px 12px rgba(224,112,143,.09)}
.rcard h3{font-family:var(--serif);font-size:16px;font-weight:600}
.rcard .rm{font-size:11.5px;color:var(--ink3);margin-top:5px;display:flex;gap:10px}
.rcard p{font-size:12.5px;color:var(--ink2);margin-top:9px;line-height:1.7}
.rcard .tags{margin-top:11px}

/* 搜索 */
.sbig{margin:8px 0 4px;position:relative}
.sbig input{width:100%;height:46px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:0 16px 0 42px;font-size:15px;outline:none}
.sbig input:focus{border-color:var(--pink);box-shadow:0 0 0 4px var(--pink2)}
.sbig .ico{position:absolute;left:14px;top:14px;width:17px;height:17px;opacity:.4}
.tagrow{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;align-items:center}
.tagrow em{font-style:normal;font-size:11.5px;color:var(--ink3);margin-right:2px}
.group{margin-top:26px}
.group h4{font-size:11.5px;letter-spacing:1.5px;color:var(--ink3);font-weight:500;padding-bottom:8px;border-bottom:1px solid var(--line)}
.hit{display:flex;gap:12px;padding:12px 2px;border-bottom:1px solid var(--line);cursor:pointer}
.hit:hover{background:#fff}
.hit .l{flex:1;min-width:0}
.hit .l b{font-family:var(--serif);font-size:14.5px;font-weight:600}
.hit .l .path{font-size:11.5px;color:var(--ink3);margin-left:8px}
.hit .l p{font-size:12.5px;color:var(--ink2);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hit mark{background:#FBDDE6;color:var(--pink3);border-radius:3px;padding:0 2px}
.why{font-size:10.5px;color:var(--pink3);background:var(--pink2);border-radius:4px;padding:2px 7px;height:fit-content;flex:none}
.why.w-tag{color:#7A6A55;background:#F3EEE5}
.why.w-body{color:#6B6560;background:#F1ECE5}
.ghead{margin:22px 0 2px;font-size:11.5px;letter-spacing:1.5px;color:var(--ink3);padding-bottom:7px;border-bottom:1px solid var(--line)}
.tagcloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;max-width:760px}
.tagcloud .chip{font-size:13px;padding:7px 13px;cursor:pointer}
.tagcloud .chip em{font-style:normal;font-size:11px;color:var(--ink3);margin-left:6px}
.tagcloud .chip.p em{color:rgba(255,255,255,.85)}

/* 上传 */
.drop{border:1.5px dashed #DCD5CB;border-radius:12px;background:#fff;padding:38px 20px;text-align:center;margin-top:22px;transition:.15s}
.drop.hot{border-color:var(--pink);background:var(--pink2)}
.drop b{font-family:var(--serif);font-size:16px;display:block}
.drop p{font-size:12.5px;color:var(--ink3);margin-top:6px}
.drop .btn{display:inline-block;margin-top:16px;background:var(--pink);color:#fff;border-radius:8px;padding:8px 18px;font-size:13px}
.flist{margin-top:18px;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}
.frow{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px}
.frow:last-child{border-bottom:0}
.frow .fn{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frow .fd{font-size:11.5px;color:var(--ink3);white-space:nowrap}
.frow .ok{font-size:11.5px;color:#6B6560;background:#F1ECE5;border-radius:5px;padding:2px 8px;white-space:nowrap}
.frow .ok.hot{color:var(--pink3);background:var(--pink2)}
.pub{display:flex;align-items:center;gap:14px;margin-top:18px}
.pub .go{background:var(--pink);color:#fff;border-radius:8px;padding:10px 22px;font-size:13.5px}
.pub .go:hover{background:var(--pink3)}
.pub .hint{font-size:12px;color:var(--ink3)}
.bar-prog{height:6px;background:#F1ECE5;border-radius:4px;overflow:hidden;margin-top:16px}
.bar-prog i{display:block;height:100%;width:38%;background:linear-gradient(90deg,#F0A5BB,var(--pink))}

.note-strip{font-size:12px;color:var(--ink3);margin-top:10px}
.mockflag{position:fixed;right:16px;bottom:14px;background:rgba(31,29,27,.82);color:#fff;font-size:11px;padding:5px 10px;border-radius:999px;letter-spacing:.5px;z-index:50}
.lb{position:fixed;inset:0;background:rgba(24,22,20,.92);display:none;z-index:80;overflow:auto;padding:26px 0;cursor:zoom-out}
.lb.on{display:block}
.lb img{display:block;max-width:none;width:min(1400px,94vw);margin:0 auto;border-radius:4px;background:#fff}
.lb .xlose{position:fixed;right:22px;top:18px;color:#fff;font-size:22px;line-height:1;opacity:.8}

/* ---------- 移动端（容器查询，既适用于真机也适用于效果图） ---------- */
@container (max-width:880px){
  .main{grid-column:1 / -1}
  .side{position:absolute;inset:0 auto 0 0;width:276px;z-index:30;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 40px rgba(0,0,0,.12)}
  .app.nav .side{transform:none}
  .scrim{position:absolute;inset:0;background:rgba(31,29,27,.28);opacity:0;pointer-events:none;transition:.2s;z-index:20}
  .app.nav .scrim{opacity:1;pointer-events:auto}
  .burger{display:flex}
  .topbar{padding:0 14px;height:50px}
  .wrap{padding:22px 16px 60px}
  .hero h1{font-size:24px}
  .hero p{font-size:13px}
  .stats{gap:16px;margin-top:16px}
  .stats div{display:flex;flex-direction:column;gap:2px}
  .stats div b{font-size:19px}
  .stats div span{margin-left:0;font-size:11px}
  .crumb .sp,.crumb a{display:none}
  .ghostbtn{font-size:12px;padding:6px 11px}
  .lbl-full{display:none}.lbl-short{display:inline}
  .cards{grid-template-columns:1fr;gap:10px}
  .rgrid{grid-template-columns:1fr}
  .chap-hd h1{font-size:22px}
  .note-hd h1{font-size:21px}
  .mapcard{flex-direction:column;align-items:stretch;gap:10px;padding:10px}
  .mapcard img{width:100%;height:134px;object-position:12% 46%}
  .mapcard .go{margin-left:0;text-align:right}
  .nrow{gap:8px;padding:10px 6px}
  .nrow .chips{display:none}
  .hit .l .path{display:none}
  .pages{max-width:100%}
  .pager{max-width:100%}
}