:root{--bg:#0f1115;--card:#171a21;--line:#262b36;--fg:#e6e8ee;--mute:#9aa3b2;--acc:#7cc4ff;--warn:#ffb86b;--ok:#7ee2a8}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:#12151b;position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.brand{font-weight:700;font-size:18px;color:var(--fg)}.brand span{color:var(--warn)}
nav a{margin-left:16px;color:var(--mute);font-size:15px}nav a:hover,nav a.on{color:var(--fg);text-decoration:none}
.hero{padding:56px 0 32px}.hero h1{font-size:38px;margin:0 0 8px;letter-spacing:1px}
.hero p{color:var(--mute);margin:6px 0;max-width:640px}
h2{font-size:22px;margin:40px 0 14px;padding-left:10px;border-left:4px solid var(--warn)}
h3{font-size:18px;margin:28px 0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;color:var(--fg);transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--acc);transform:translateY(-2px);text-decoration:none}
.card h3{margin:6px 0;font-size:17px}.card p{margin:0;color:var(--mute);font-size:14px}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;border:1px solid var(--line);color:var(--mute)}
.tag.story{color:var(--warn);border-color:#5a4226}.tag.guide{color:var(--ok);border-color:#24503a}.tag.lab{color:var(--acc);border-color:#23435c}
.card.placeholder{border-style:dashed;opacity:.85}
.list{list-style:none;padding:0;margin:0}.list li{padding:14px 0;border-bottom:1px solid var(--line)}
.list .meta{color:var(--mute);font-size:13px}
article{padding:36px 0 60px}article h1{font-size:30px;line-height:1.35;margin:0 0 8px}
article .meta{color:var(--mute);font-size:14px;margin-bottom:24px}
.note{background:#1b2230;border:1px solid #2a3a55;border-radius:10px;padding:12px 16px;color:#c9d6ea;font-size:15px;margin:18px 0}
.note.warn{background:#2a2117;border-color:#5a4226;color:#f1d5b0}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
pre{background:#0b0d11;border:1px solid var(--line);border-radius:10px;padding:14px;overflow:auto;line-height:1.6}
code{background:#0b0d11;padding:1px 5px;border-radius:4px}pre code{padding:0;background:none}
table{border-collapse:collapse;width:100%;margin:14px 0;font-size:15px}th,td{border:1px solid var(--line);padding:8px 10px;text-align:left}th{background:#1a1e27}
.slots{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap;align-items:center}
.slot{width:64px;height:120px;border:2px solid var(--line);border-radius:6px;display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px;font-size:13px;color:var(--mute)}
.slot.fill{border-color:var(--ok);background:linear-gradient(#1f3a2c,#173024);color:var(--fg)}
.cpu{width:80px;height:80px;border:2px solid var(--acc);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--acc);font-size:13px}
footer{border-top:1px solid var(--line);color:var(--mute);font-size:13px;padding:24px 0 40px;margin-top:40px}
@media(max-width:600px){.hero h1{font-size:30px}nav a{margin-left:10px}}