/* ─────────────────────────────────────────────
   春秋战国 · 站点样式
   玄色漆底 + 朱砂 + 描金
   换色只改 :root 变量
   ───────────────────────────────────────────── */
:root{
  --bg:#0a0908;
  --surface:rgba(255,255,255,.026);
  --line:rgba(201,168,106,.14);
  --line-strong:rgba(201,168,106,.36);
  --gold:#c9a86a;
  --gold-soft:#e2c794;
  --zhu:#a8382a;
  --zhu-soft:#c4553f;
  --indigo:#5a6a8c;
  --jade:#7d9478;
  --text:#e9e1d1;
  --text-2:#a49a86;
  --text-3:#6b6355;
  --serif:"Songti SC","STSong","Source Han Serif SC","SimSun",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;
  --max:1060px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:15px;line-height:1.78;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 820px 420px at 50% -8%,rgba(168,56,42,.075),transparent 68%),
    radial-gradient(ellipse 600px 400px at 88% 12%,rgba(201,168,106,.05),transparent 70%);
}
a{color:var(--gold-soft);text-decoration:none}
a:hover{color:var(--gold)}
.shell{max-width:var(--max);margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* ── nav ── */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,9,8,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav .shell{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:13px;white-space:nowrap;color:inherit}
.seal{
  width:36px;height:36px;flex:0 0 auto;background:var(--zhu);border-radius:2px;
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;place-items:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.seal i{font-style:normal;font-size:10px;line-height:1;color:#f7eeda;font-family:var(--serif)}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt b{font-family:var(--serif);font-size:17px;font-weight:400;letter-spacing:.24em;color:var(--text)}
.brand-txt em{font-style:normal;font-size:8px;letter-spacing:.17em;text-transform:uppercase;color:var(--text-3);margin-top:2px}
.tabs{display:flex;gap:4px}
.tabs a{
  padding:9px 20px;border-radius:2px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:color .18s,border-color .18s,background .18s;
  letter-spacing:.06em;
}
.tabs a:hover{color:var(--text);background:rgba(255,255,255,.035)}
.tabs a.on{color:var(--gold-soft);border-color:var(--line-strong);background:rgba(201,168,106,.07)}

/* ── hero ── */
.hero{position:relative;overflow:hidden;padding:108px 0 92px;border-bottom:1px solid var(--line)}
.hero .shell{position:relative;z-index:2}
.mark{
  position:absolute;right:3vw;top:44px;z-index:0;pointer-events:none;user-select:none;
  font-family:var(--serif);font-size:340px;line-height:1;color:rgba(201,168,106,.055);
}
.eyebrow{
  font-size:11px;letter-spacing:.34em;color:var(--gold);
  margin:0 0 28px;text-transform:uppercase;
}
.eyebrow .dot{font-style:normal;margin:0 .8em;opacity:.5;letter-spacing:0}
.hero h1{
  font-family:var(--serif);font-weight:400;letter-spacing:.16em;
  font-size:clamp(44px,8vw,74px);line-height:1.08;margin:0;
}
.hero h1 em{font-style:normal;color:var(--zhu-soft)}
.hairline{width:52px;height:1px;background:var(--zhu);opacity:.75;margin:32px 0}
.lede{font-size:16.5px;color:var(--text-2);max-width:560px;margin:0 0 40px;line-height:1.9}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.meta{display:flex;gap:0;margin-top:48px;flex-wrap:wrap}
.meta div{padding-right:26px;margin-right:26px;border-right:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.meta div:last-child{border:0;margin:0;padding:0}
.meta b{display:block;color:var(--text);font-weight:400;font-size:15px;margin-bottom:2px}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:2px;
  font-size:14px;letter-spacing:.08em;transition:.18s;border:1px solid transparent;cursor:pointer;
  font-family:var(--sans);
}
.btn-primary{background:var(--zhu);color:#f7eeda;border-color:rgba(255,255,255,.1)}
.btn-primary:hover{background:var(--zhu-soft);color:#fff8ea}
.btn-ghost{border-color:var(--line-strong);color:var(--text-2);background:transparent}
.btn-ghost:hover{color:var(--gold-soft);border-color:var(--gold);background:rgba(201,168,106,.06)}
.btn-sm{padding:8px 16px;font-size:13px}

/* ── sections ── */
section{padding:78px 0;border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:38px}
.sec-head .num{
  font-size:11px;letter-spacing:.26em;color:var(--text-3);display:block;margin-bottom:13px;
}
.sec-head .num::before{
  content:"";display:inline-block;width:14px;height:1px;background:var(--zhu);
  vertical-align:middle;margin-right:10px;opacity:.8;
}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:31px;letter-spacing:.12em;margin:0}
.sec-head p{color:var(--text-2);font-size:14.5px;margin:13px 0 0;max-width:620px}

/* ── grids & cards ── */
.grid{display:grid;gap:14px}
.g2fix{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:680px){.g2fix{grid-template-columns:1fr}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:3px;
  padding:22px 22px 20px;transition:border-color .2s,transform .2s,background .2s;
  display:flex;flex-direction:column;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);background:rgba(255,255,255,.042)}
.card .ic{color:var(--gold);margin-bottom:14px;display:block}
.card .label{font-size:11.5px;letter-spacing:.18em;color:var(--text-3);margin:0 0 6px}
.card .val{
  font-family:var(--mono);font-size:16px;color:var(--text);letter-spacing:.01em;
  margin:0 0 8px;line-height:1.45;overflow-wrap:anywhere;
}
.card .desc{font-size:13px;color:var(--text-2);margin:0 0 16px;line-height:1.7}
.card .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto;padding-top:4px}
.copy{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-2);
  font-size:12px;padding:5px 12px;border-radius:2px;cursor:pointer;font-family:var(--sans);
  transition:.16s;letter-spacing:.05em;
}
.copy:hover{color:var(--gold-soft);border-color:var(--gold)}
.copy.done{color:var(--jade);border-color:rgba(125,148,120,.55)}

/* ── editions ── */
.ed{
  border:1px solid var(--line);border-radius:3px;padding:28px 28px 24px;
  background:var(--surface);display:flex;flex-direction:column;
  position:relative;overflow:hidden;transition:border-color .2s;
}
.ed::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--zhu)}
.ed.night::before{background:var(--indigo)}
.ed:hover{border-color:var(--line-strong)}
.ed-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}
.ed-name{font-family:var(--serif);font-size:26px;letter-spacing:.14em}
.ed p{margin:0 0 18px;font-size:13.6px;color:var(--text-2);line-height:1.75}
.ed ul{margin:0 0 24px;padding:0;list-style:none;border-top:1px solid var(--line)}
.ed li{
  font-size:13.2px;color:var(--text-2);padding:9px 0;border-bottom:1px solid var(--line);
  display:flex;gap:10px;
}
.ed li span{color:var(--text-3);flex:0 0 58px;font-size:12px}

/* ── repo rows ── */
.repo-line{
  display:flex;align-items:center;gap:9px;padding:9px 0;
  border-top:1px solid var(--line);font-size:12.5px;
}
.repo-line span{font-family:var(--mono);font-size:12.3px;color:var(--text);overflow-wrap:anywhere}
.repo-line a{margin-left:auto;font-size:12px;white-space:nowrap;flex:0 0 auto}
.repo-line + .repo-line{border-top:1px solid var(--line)}

/* ── callout ── */
.callout{
  margin-top:14px;border:1px solid var(--line);border-left:2px solid var(--gold);
  background:rgba(255,255,255,.022);padding:20px 24px;border-radius:2px;
}
.callout b{font-weight:500;font-size:14px;display:block;margin-bottom:7px;letter-spacing:.06em;color:var(--text)}
.callout p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.78}
.callout p + p{margin-top:8px}

/* ── tags ── */
.tag{font-size:11px;padding:2px 8px;border-radius:2px;letter-spacing:.04em;white-space:nowrap}
.tag-hy{color:#e3a492;background:rgba(168,56,42,.15);border:1px solid rgba(196,85,63,.36)}
.tag-cy{color:#a3b2cb;background:rgba(90,106,140,.15);border:1px solid rgba(90,106,140,.4)}
.tag-both{color:#a9bf9f;background:rgba(125,148,120,.13);border:1px solid rgba(125,148,120,.32)}
.tag-ok{color:var(--jade);background:rgba(125,148,120,.1);border:1px solid rgba(125,148,120,.3)}
.tag-warn{color:#cf8a6a;background:rgba(196,85,63,.1);border:1px solid rgba(196,85,63,.3)}

/* ── feature rows ── */
.features{display:grid;gap:0;border-top:1px solid var(--line)}
.feat{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.feat .n{font-family:var(--serif);font-size:13px;color:var(--zhu-soft);padding-top:3px;letter-spacing:.1em}
.feat h3{margin:0 0 4px;font-size:16px;font-weight:500;letter-spacing:.03em}
.feat p{margin:0;font-size:13.8px;color:var(--text-2);line-height:1.72}

/* ── download ── */
.dl{
  border:1px solid var(--line-strong);border-radius:3px;padding:28px 30px;
  background:rgba(168,56,42,.055);margin-bottom:14px;
  position:relative;overflow:hidden;
}
.dl::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--zhu)}
.dl.night{background:rgba(90,106,140,.075)}
.dl.night::before{background:var(--indigo)}
.dl-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.dl h3{margin:0;font-family:var(--serif);font-size:23px;font-weight:400;letter-spacing:.08em}
.dl-meta{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.dl-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.dl-note{font-size:12.5px;color:var(--text-2);margin:10px 0 0;line-height:1.7}

/* ── changelog ── */
.log{padding:30px 0;border-bottom:1px solid var(--line)}
.log:last-child{border-bottom:0}
.log-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.log-no{font-family:var(--serif);font-size:21px;letter-spacing:.06em}
.log-top time{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.log ul{margin:0;padding-left:18px;color:var(--text-2);font-size:14px}
.log li{margin:5px 0}
.log li::marker{color:var(--zhu-soft)}

/* ── news ── */
.news{border-top:1px solid var(--line)}
.news a{
  display:grid;grid-template-columns:100px 1fr;gap:24px;padding:20px 0;
  border-bottom:1px solid var(--line);align-items:baseline;color:inherit;
}
.news time{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.news h3{margin:0 0 3px;font-size:15.5px;font-weight:500;color:var(--text);transition:color .16s}
.news p{margin:0;font-size:13.2px;color:var(--text-2);line-height:1.65}
.news a:hover h3{color:var(--gold-soft)}
@media(max-width:600px){.news a{grid-template-columns:1fr;gap:4px}}

/* ── misc ── */
.codeblock{
  font-family:var(--mono);font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.038);border:1px solid var(--line);border-radius:2px;
  padding:12px 16px;overflow-x:auto;white-space:nowrap;margin:0 0 28px;
}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 34px}
@media(max-width:700px){.steps{grid-template-columns:1fr}}
.step{border-top:1px solid var(--line-strong);padding-top:14px}
.step b{display:block;font-weight:500;font-size:14.5px;margin-bottom:3px;color:var(--text)}
.step span{font-size:13.2px;color:var(--text-2);line-height:1.65}

.pagelede{padding:76px 0 60px;border-bottom:1px solid var(--line)}
.pagelede .eyebrow{margin-bottom:18px}
.pagelede h1{font-family:var(--serif);font-weight:400;font-size:clamp(32px,5.4vw,46px);letter-spacing:.14em;margin:0 0 18px}
.pagelede p{margin:0;color:var(--text-2);max-width:620px;font-size:15px}

footer{padding:54px 0 68px;font-size:12.5px;color:var(--text-3)}
footer .shell{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--text-2)}
footer a:hover{color:var(--gold)}

/* ── responsive ── */
@media(max-width:640px){
  .nav .shell{height:60px;gap:10px}
  .brand-txt em{display:none}
  .seal{width:31px;height:31px}
  .tabs a{padding:8px 12px;font-size:13px}
  .mark{font-size:320px;top:-40px;right:-60px}
  .hero{padding:76px 0 64px}
  .eyebrow{font-size:10px;letter-spacing:.16em;line-height:1.9}
  .meta div{padding-right:18px;margin-right:18px}
}
@media(max-width:420px){
  .brand-txt b{font-size:15px;letter-spacing:.16em}
  .tabs a{padding:7px 10px;font-size:12.5px}
  .tabs{gap:2px}
  .eyebrow{line-height:2.1}
  .eyebrow .dot{display:none}
  .eyebrow span{display:block}
  .seal{width:28px;height:28px}
  .seal i{font-size:9px}
}

/* ── download console ── */
.dlx{border:1px solid var(--line-strong);border-radius:3px;background:rgba(255,255,255,.018);overflow:hidden}
.dlx-tabs{display:flex;border-bottom:1px solid var(--line)}
.dlx-tab{
  flex:1;background:transparent;border:0;border-right:1px solid var(--line);
  color:var(--text-2);font-family:var(--serif);font-size:17px;letter-spacing:.12em;
  padding:16px 10px 14px;cursor:pointer;transition:color .16s,background .16s;
  position:relative;text-align:center;
}
.dlx-tab:last-child{border-right:0}
.dlx-tab small{display:block;font-family:var(--sans);font-size:10px;color:var(--text-3);letter-spacing:.18em;margin-top:4px}
.dlx-tab:hover{color:var(--text);background:rgba(255,255,255,.02)}
.dlx-tab.on{color:var(--gold-soft);background:rgba(201,168,106,.055)}
.dlx-tab.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--zhu)}
.dlx-body{display:none;padding:28px 28px 24px}
.dlx-body.on{display:block}

.edx-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.edx-head h2{font-family:var(--serif);font-weight:400;font-size:25px;letter-spacing:.13em;margin:0 0 5px}
.edx-head p{margin:0;font-size:12.5px;color:var(--text-3);letter-spacing:.05em}
.edx-latest{text-align:right;font-size:11.5px;color:var(--text-3);letter-spacing:.08em}
.edx-latest b{display:block;font-family:var(--mono);font-size:15px;font-weight:400;color:var(--text);margin-bottom:2px}

.acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.act{
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  font-family:var(--sans);font-size:13.5px;padding:9px 18px;border-radius:2px;
  cursor:pointer;letter-spacing:.05em;transition:.16s;
}
.act:hover{border-color:var(--line-strong);color:var(--text)}
.act.on{border-color:var(--gold);color:var(--gold-soft);background:rgba(201,168,106,.09)}
.opt-toggle{
  display:inline-flex;align-items:center;gap:9px;margin-left:4px;
  background:transparent;border:1px dashed var(--line-strong);color:var(--text-2);
  font-family:var(--mono);font-size:12.5px;padding:9px 14px;border-radius:2px;cursor:pointer;
  transition:.16s;
}
.opt-toggle:hover{color:var(--gold-soft);border-color:var(--gold)}
.opt-toggle .chev{transition:transform .2s}
.opt-toggle.open .chev{transform:rotate(180deg)}

.optpanel{
  display:none;margin-top:14px;padding:18px 20px;border:1px solid var(--line);
  border-left:2px solid var(--gold);border-radius:2px;background:rgba(0,0,0,.22);
}
.optpanel.open{display:block}
.field{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0}
.field label{font-size:12px;color:var(--text-3);letter-spacing:.12em}
.field .arrow{color:var(--text-3);font-size:12px}
select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  background-color:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);color:var(--text);border-radius:2px;
  padding:8px 34px 8px 12px;font-family:var(--mono);font-size:13px;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:calc(100% - 17px) 54%,calc(100% - 12px) 54%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
select:focus{outline:none;border-color:var(--gold)}
select option{background:#15130f;color:var(--text)}
.warnline{display:none;margin:12px 0 0;font-size:12.5px;color:#cf8a6a;line-height:1.7}
.warnline.on{display:block}
.hintline{margin:12px 0 0;font-size:12.5px;color:var(--text-3);line-height:1.7}

.bigdl{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:18px;padding:18px 20px;border:1px solid var(--line-strong);border-radius:2px;
  background:rgba(168,56,42,.06);
}
.bigdl .info b{display:block;font-size:15px;font-weight:500;margin-bottom:3px;letter-spacing:.03em}
.bigdl .info span{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.bigdl.disabled{background:rgba(255,255,255,.02);border-color:var(--line);opacity:.65}
.bigdl.disabled .info b{color:var(--text-2)}
.bigdl .btn[disabled]{cursor:not-allowed;opacity:.6}

.dlx-foot{display:flex;gap:24px;flex-wrap:wrap;margin-top:18px;font-size:13px;align-items:center}
.dlx-foot a{color:var(--text-2)}
.dlx-foot a:hover{color:var(--gold-soft)}
.linkbtn{
  background:transparent;border:0;padding:0;color:var(--text-2);font-family:var(--sans);
  font-size:13px;cursor:pointer;letter-spacing:.02em;
}
.linkbtn:hover{color:var(--gold-soft)}
.linkbtn .caret{font-size:10px;margin-left:2px}

.logs{display:none;margin-top:20px;border-top:1px solid var(--line)}
.logs.open{display:block}
details.ver{border-bottom:1px solid var(--line)}
details.ver summary{
  list-style:none;cursor:pointer;padding:16px 0;
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
}
details.ver summary::-webkit-details-marker{display:none}
details.ver summary::marker{content:""}
details.ver .vno{font-family:var(--serif);font-size:18px;letter-spacing:.05em}
details.ver summary time{font-family:var(--mono);font-size:12px;color:var(--text-3)}
details.ver summary:hover .vno{color:var(--gold-soft)}
details.ver[open] .vno{color:var(--gold-soft)}
.ver-body{padding:0 0 18px}
.ver-body ul{margin:0;padding-left:18px;color:var(--text-2);font-size:13.5px}
.ver-body li{margin:4px 0}
.ver-body li::marker{color:var(--zhu-soft)}

.other-list{border-top:1px solid var(--line)}
.other-row{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.other-row h3{margin:0 0 4px;font-size:15px;font-weight:500;letter-spacing:.02em}
.other-row p{margin:0;font-size:12.5px;color:var(--text-3)}
.other-dl{display:flex;align-items:center;gap:14px}
.other-dl .osz{font-family:var(--mono);font-size:12px;color:var(--text-3)}

@media(max-width:640px){
  .dlx-body{padding:22px 18px 20px}
  .dlx-tab{font-size:15px;padding:13px 6px 11px}
  .acts .opt-toggle{width:100%;justify-content:space-between;margin-left:0}
  .act{flex:1;padding:9px 10px;font-size:13px}
  .bigdl{padding:16px}
  .edx-head h2{font-size:21px}
}

details.ver summary{position:relative;padding-right:28px}
details.ver summary::after{
  content:"+";position:absolute;right:2px;top:14px;
  font-family:var(--mono);font-size:15px;line-height:1;color:var(--text-3);
}
details.ver[open] summary::after{content:"−";color:var(--gold)}

@media(max-width:640px){
  .edx-latest{text-align:left;margin-top:2px}
  .edx-latest b{display:inline;margin-right:6px}
  .bigdl{flex-direction:column;align-items:stretch;gap:14px}
  .bigdl .btn{width:100%;justify-content:center}
}

/* ── 其他收录 ── */
.other-main{flex:1 1 320px;min-width:0}
.other-note{margin:6px 0 0;font-size:13px;line-height:1.75;color:var(--text-2)}
.other-meta{margin:6px 0 0;font-size:12px;color:var(--text-3);font-family:var(--mono)}
.other-empty{padding:34px 0;color:var(--text-3);font-size:13.5px;text-align:center}

.tag-none{color:var(--text-3);background:rgba(255,255,255,.025);border:1px solid var(--line)}

.news-empty{padding:26px 0;color:var(--text-3);font-size:13.5px}

/* 版本数据加载失败 */
.loadfail{padding:30px 0 34px;border-top:1px solid var(--line)}
.loadfail p{margin:0 0 8px;font-size:13.5px;color:var(--text-2);line-height:1.8}
.loadfail .btn{margin-top:10px}