/* Bloom AI 文档站 · 共享样式 */
:root{
  --bg:#07090c; --bg2:#0c1015; --card:#10161d; --text:#eef2f6; --muted:#94a0b0;
  --teal:#2dd4bf; --teal2:#14b8a6; --teal-dim:rgba(45,212,191,.12); --line:rgba(255,255,255,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(7,9,12,.82);border-bottom:1px solid var(--line)}
.tb{max-width:1100px;margin:0 auto;padding:13px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{font-weight:700;font-size:16px;color:var(--text);display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .ai{color:var(--teal)}
.links{display:flex;gap:18px;font-size:14px;flex-wrap:wrap}
.links a{color:var(--muted)}
.links a:hover{color:var(--text);text-decoration:none}

/* 布局 */
.shell{max-width:1100px;margin:0 auto;padding:22px;display:grid;grid-template-columns:216px minmax(0,1fr);gap:34px}
.side{position:sticky;top:74px;align-self:start;max-height:calc(100vh - 96px);overflow-y:auto}
.side .grp{margin-bottom:20px}
.side .grp b{display:block;font-size:11.5px;letter-spacing:.9px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:700}
.side a{display:block;color:#c4ccd8;font-size:14px;padding:6px 10px;border-radius:8px;border-left:2px solid transparent}
.side a:hover{background:rgba(255,255,255,.045);text-decoration:none;color:#fff}
.side a.active{background:var(--teal-dim);color:var(--teal);border-left-color:var(--teal)}
main{min-width:0}

/* 正文 */
h1{font-size:31px;letter-spacing:-.7px;margin-bottom:10px;line-height:1.3}
h2{font-size:22px;margin:30px 0 10px;letter-spacing:-.4px;padding-top:8px}
h2::before{content:"# ";color:var(--teal)}
h3{font-size:16.5px;margin:20px 0 8px}
p,li{color:#c4ccd8;font-size:14.8px}
ul,ol{padding-left:22px;margin:8px 0}
li{margin:4px 0}
.lead{color:var(--muted);font-size:15.5px;margin-bottom:6px}
hr{border:0;border-top:1px solid var(--line);margin:26px 0}
code{background:var(--teal-dim);color:#99f6e4;padding:2px 6px;border-radius:6px;font-size:13px;font-family:ui-monospace,Menlo,Consolas,monospace}
pre{position:relative;background:#0a0e13;border:1px solid var(--line);border-radius:12px;padding:15px 18px;overflow-x:auto;margin:10px 0}
pre code{background:none;color:#c9d8e8;padding:0;font-size:13px;white-space:pre}
.copybtn{position:absolute;top:10px;right:10px;background:var(--teal2);border:none;color:#04211c;font-size:12px;font-weight:600;padding:4px 11px;border-radius:7px;cursor:pointer;opacity:.9}
.copybtn:hover{opacity:1}
.callout{border-left:3px solid var(--teal);background:var(--teal-dim);border-radius:0 10px 10px 0;padding:12px 16px;margin:14px 0;font-size:14px}
.callout.warn{border-left-color:#f59e0b;background:rgba(245,158,11,.08)}
.callout.err{border-left-color:#ef4444;background:rgba(239,68,68,.08)}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13.6px}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--bg2)}
td code{font-size:12.5px}

/* 卡片 / 步骤 */
.cards{display:grid;gap:14px;margin:18px 0}
.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 6px;font-size:16px}
.card p{color:var(--muted);font-size:14px}
.steps{display:grid;gap:12px;margin:16px 0}
.step{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.step .n{flex:0 0 28px;height:28px;border-radius:9px;background:var(--teal-dim);color:var(--teal);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.step h3{margin:0 0 4px;font-size:15.5px}
.step p{color:var(--muted);font-size:14px}

/* 生成器 */
.generator{background:linear-gradient(160deg,var(--card),#0d141b);border:1px solid var(--line);border-radius:16px;padding:20px;margin:14px 0}
.generator .row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.generator input{flex:1;min-width:250px;background:#0a0e13;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:11px 14px;font-size:14px;font-family:ui-monospace,Menlo,Consolas,monospace;outline:none}
.generator input:focus{border-color:var(--teal)}
.genbtn{background:var(--teal2);border:none;color:#04211c;font-weight:600;padding:11px 20px;border-radius:10px;font-size:14px;cursor:pointer}
.tabbar{display:flex;gap:8px;flex-wrap:wrap}
.tab{background:transparent;border:1px solid var(--line);color:var(--muted);padding:7px 15px;border-radius:9px;font-size:13px;cursor:pointer}
.tab.active{background:var(--teal-dim);color:var(--teal);border-color:var(--teal)}
.gen-out{display:none;margin-top:10px}
.gen-out.show{display:block}
.hint{color:var(--muted);font-size:13px}
footer{border-top:1px solid var(--line);padding:30px 22px;color:var(--muted);font-size:13px;text-align:center}
footer a{color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:12px;margin:34px 0 10px;font-size:14px}

@media(max-width:900px){
  .shell{grid-template-columns:1fr;gap:18px;padding:16px}
  .side{position:static;max-height:none;border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--bg2)}
  .c2,.c3{grid-template-columns:1fr}
  h1{font-size:26px}
  .links{display:none}
}