:root{
  --bg:#070b14; --bg2:#0a101f; --panel:#101828f2; --line:#1d2941;
  --text:#e6ecf8; --muted:#93a0ba; --faint:#5b6a8a;
  --acc:#5ea0ff; --acc2:#22d3ee; --ok:#34d399; --warn:#fbbf24;
  --card:#0e1626; --card-hover:#111c30;
  --shadow:0 10px 34px -12px rgba(0,0,0,.55);
}
html[data-theme="light"]{
  --bg:#f4f7fc; --bg2:#eaf0f9; --panel:#ffffffee; --line:#d8e2f0;
  --text:#17233a; --muted:#5a6b8c; --faint:#8a97b1;
  --acc:#2563eb; --acc2:#0891b2; --ok:#059669; --warn:#b45309;
  --card:#ffffff; --card-hover:#f4f8ff;
  --shadow:0 10px 30px -14px rgba(30,60,120,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:"Segoe UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;
  line-height:1.75;font-size:15.5px;overflow-x:hidden;
  transition:background .3s,color .3s;
}
#bg{position:fixed;inset:0;z-index:-1;opacity:.9}
::selection{background:#5ea0ff55}
a{color:var(--acc);text-decoration:none}
code{font-family:Consolas,"JetBrains Mono",monospace;font-size:.9em;
  background:var(--card);border:1px solid var(--line);border-radius:5px;padding:1px 7px}
.wrap{max-width:1020px;margin:0 auto;padding:0 24px}

/* ---- 顶部进度条 ---- */
#progress{position:fixed;top:0;left:0;height:2.5px;width:0;z-index:99;
  background:linear-gradient(90deg,var(--acc),var(--acc2))}

/* ---- 导航 ---- */
header{position:sticky;top:0;z-index:50;
  background:var(--panel);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;gap:24px;height:60px}
nav .logo{font-weight:800;font-size:17px;letter-spacing:.5px;color:var(--text)}
nav .logo span{background:linear-gradient(90deg,var(--acc),var(--acc2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
nav .sp{flex:1}
nav a.lk{color:var(--muted);font-size:14px;padding:4px 2px;position:relative}
nav a.lk::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .25s}
nav a.lk:hover,nav a.lk.on{color:var(--text)}
nav a.lk:hover::after,nav a.lk.on::after{width:100%}
nav button{background:var(--card);border:1px solid var(--line);color:var(--muted);
  border-radius:8px;padding:5px 11px;cursor:pointer;font-size:13px;transition:.2s}
nav button:hover{color:var(--text);border-color:var(--acc)}

/* ---- HERO ---- */
.hero{padding:84px 24px 40px;position:relative}
.hi{display:flex;align-items:center;gap:9px;color:var(--ok);font-size:14px;letter-spacing:3px}
.hi .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 #34d39966;animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:44px;font-weight:800;margin:14px 0 10px;line-height:1.25;
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.grad{background:linear-gradient(92deg,var(--acc) 10%,var(--acc2) 60%,var(--ok));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .en{font-size:16px;font-weight:400;color:var(--faint);letter-spacing:1px}
.hero .sub{color:var(--muted);font-size:16.5px;max-width:660px}
.hero .sub b{color:var(--text)}
.cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:11px;cursor:pointer;
  padding:10px 20px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:.2s}
.btn.primary{background:linear-gradient(92deg,var(--acc),#3b82f6);color:#fff;
  box-shadow:0 6px 22px -8px #3b82f699}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px -8px #3b82f6bb}
.btn.ghost{background:var(--card);border-color:var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--acc);transform:translateY(-2px)}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag{background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:4px 15px;font-size:12.5px;color:var(--muted);transition:.2s;cursor:default}
.tag:hover{color:var(--text);border-color:var(--acc);transform:translateY(-2px)}

/* ---- 终端 ---- */
.term{margin-top:40px;border:1px solid var(--line);border-radius:13px;overflow:hidden;
  background:#0b1120cc;backdrop-filter:blur(6px);box-shadow:var(--shadow);max-width:720px}
html[data-theme="light"] .term{background:#0f172ae8}
.term-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;
  background:#ffffff0d;border-bottom:1px solid var(--line)}
.tb{width:11px;height:11px;border-radius:50%}
.tb.r{background:#ff5f57}.tb.y{background:#febc2e}.tb.g{background:#28c840}
.term-title{color:var(--faint);font-size:12px;margin-left:8px;flex:1;font-family:Consolas,monospace}
#copyMvn{background:none;border:1px solid var(--line);color:var(--muted);border-radius:6px;
  font-size:11.5px;padding:2px 10px;cursor:pointer;transition:.2s}
#copyMvn:hover{color:var(--acc2);border-color:var(--acc2)}
#termBody{padding:16px 18px;font-family:Consolas,monospace;font-size:13px;line-height:1.85;
  color:#c9d4e8;min-height:148px;white-space:pre-wrap}
#termBody .cmd{color:#9ece6a}
#termBody .dim{color:#5b6a8a}
#termBody .hl{color:#7aa2f7}
#termBody .cur{display:inline-block;width:8px;height:15px;background:#9ece6a;
  vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---- 统计 ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:44px auto 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 10px;text-align:center;transition:.25s}
.stat:hover{transform:translateY(-3px);border-color:var(--acc)}
.stat .num{font-size:32px;font-weight:800;
  background:linear-gradient(92deg,var(--acc),var(--acc2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lab{color:var(--muted);font-size:12.5px;margin-top:3px}

/* ---- 区块 ---- */
section{scroll-margin-top:76px}
.sec-head{margin:74px 0 24px}
.kicker{color:var(--acc2);font-size:12px;letter-spacing:4px;font-weight:700;margin-bottom:6px}
.sec-head h2{font-size:26px}
.secsub{color:var(--muted);font-size:13.5px;margin-top:6px}
.tabs{display:inline-flex;gap:6px;margin-top:16px;background:var(--card);
  border:1px solid var(--line);border-radius:11px;padding:4px}
.tabs button{background:none;border:none;color:var(--muted);font-size:13px;
  padding:6px 16px;border-radius:8px;cursor:pointer;transition:.2s}
.tabs button:hover{color:var(--text)}
.tabs button.on{background:linear-gradient(92deg,var(--acc),#3b82f6);color:#fff;font-weight:600}

/* ---- 卡片 ---- */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{position:relative;display:block;background:var(--card);border:1px solid var(--line);
  border-radius:15px;padding:20px 22px;color:var(--text);overflow:hidden;
  transition:transform .22s,border-color .22s,background .22s,opacity .35s}
.card::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .25s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),#5ea0ff14,transparent 65%)}
.card:hover{transform:translateY(-4px);border-color:#5ea0ff66;background:var(--card-hover)}
.card:hover::before{opacity:1}
.card h3{font-size:16px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.card p{color:var(--muted);font-size:13.2px;line-height:1.7;margin-top:7px}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.badge{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:1.5px 10px;
  color:var(--faint);white-space:nowrap;flex-shrink:0}
.badge.ok{color:var(--ok);border-color:#34d39944}
.badge.wip{color:var(--warn);border-color:#fbbf2444}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;
  color:var(--faint);font-size:11.5px}
.card .go{color:var(--acc);font-weight:600;opacity:0;transform:translateX(-6px);transition:.22s}
.card:hover .go{opacity:1;transform:none}

/* 卡片筛選动画 */
.card.hide{display:none}
.card.dim{opacity:.25;pointer-events:none}

/* ---- 更多项目折叠 ---- */
details.more{margin-top:18px;background:var(--card);border:1px solid var(--line);
  border-radius:15px;overflow:hidden;transition:border-color .2s}
details.more[open]{border-color:#5ea0ff44}
details.more summary{list-style:none;cursor:pointer;padding:14px 22px;color:var(--muted);
  font-size:14px;font-weight:600;display:flex;align-items:center;gap:9px;user-select:none;transition:color .2s}
details.more summary::-webkit-details-marker{display:none}
details.more summary::before{content:"+";font-size:17px;color:var(--acc);font-weight:700;
  transition:transform .2s;width:16px}
details.more[open] summary::before{transform:rotate(45deg)}
details.more summary:hover{color:var(--text)}
details.more .cnt{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:0 8px;color:var(--faint)}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:4px 16px 16px}
.more-grid .card{padding:16px 18px}
.more-grid .card h3{font-size:14.5px}
.more-grid .card p{font-size:12.5px}

/* ---- 页脚 ---- */
footer{margin-top:90px;border-top:1px solid var(--line);padding:34px 0 46px;
  color:var(--faint);font-size:13.5px;background:var(--panel)}
footer .links{display:flex;gap:22px;margin-bottom:10px;flex-wrap:wrap}
footer a{color:var(--muted)}
footer a:hover{color:var(--acc)}

/* ---- 滚动入场 ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---- 命令面板 ---- */
#pal{position:fixed;inset:0;z-index:100}
#palMask{position:absolute;inset:0;background:#000000a8;backdrop-filter:blur(3px)}
#palBox{position:relative;max-width:560px;margin:12vh auto 0;background:var(--bg2);
  border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 80px -20px #000c;overflow:hidden;
  animation:palin .18s ease}
@keyframes palin{from{opacity:0;transform:translateY(-12px) scale(.98)}}
#palInput{width:100%;background:none;border:none;outline:none;color:var(--text);
  font-size:15.5px;padding:16px 20px;border-bottom:1px solid var(--line);
  font-family:inherit}
#palInput::placeholder{color:var(--faint)}
#palList{list-style:none;max-height:340px;overflow-y:auto;padding:8px}
#palList li{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:9px;
  cursor:pointer;color:var(--muted);font-size:14px}
#palList li .k{font-size:10.5px;border:1px solid var(--line);border-radius:5px;
  padding:0 6px;color:var(--faint);flex-shrink:0}
#palList li.sel,#palList li:hover{background:#5ea0ff1c;color:var(--text)}
#palList li.none{cursor:default;color:var(--faint);justify-content:center}

/* ---- 响应式 ---- */
@media(max-width:820px){
  .cards,.cards.three{grid-template-columns:1fr}
  .more-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:32px;flex-direction:column;gap:4px}
  nav a.lk{display:none}
  .hero{padding-top:56px}
}