/* 2026 qin hui: lacquer black, mother-of-pearl, pinewood */
:root{--lac:#1a1410;--pearl:#d8d0c0;--pine:#8a6a3a;--ink:#efe8dc;--mute:#9a9084;--serif:"Noto Serif SC","Songti SC",serif;--sans:"Noto Sans SC","PingFang SC",sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}section[id]{scroll-margin-top:64px}
body{margin:0;background:var(--lac);color:var(--ink);font-family:var(--sans);line-height:1.7}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}
code{font-family:var(--mono);color:var(--pine)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--pine);color:#fff;padding:8px;z-index:40}
.qinbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background:#120e0c;border-bottom:1px solid #3a3228}
.nm{font-family:var(--serif);font-weight:700}.nm small{display:block;font-family:var(--mono);font-size:11px;font-weight:400;color:var(--mute)}
#nav{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}#nav a{font-size:13px;color:var(--mute)}#nav a.on{color:var(--pine)}
.go{background:var(--pine);color:#fff!important;padding:6px 12px;font-weight:700}
.menu{display:none;background:transparent;color:var(--ink);border:1px solid #3a3228;padding:6px 10px}
.qin{position:relative}.qin>img{width:100%;height:min(54vh,500px);object-fit:cover}
.cap{width:min(900px,calc(100% - 32px));margin:-48px auto 0;background:#241c16;padding:28px;position:relative;border:1px solid #3a3228}
.k{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--pine);margin:0 0 8px}
h1,h2,h3{font-family:var(--serif);margin:0 0 10px;line-height:1.2}h1{font-size:clamp(1.7rem,4vw,2.8rem)}
.hui{margin:16px 0;padding:12px;background:#1a1410;border-left:6px solid var(--pine)}
.hui strong{display:block;margin:4px 0}.hui p{margin:0;color:var(--mute);font-size:14px}
.acts{display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-flex;align-items:center;padding:9px 14px;background:var(--pine);color:#fff;border:0;font-weight:700;font-size:14px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid #3a3228;font-weight:400}
.w{width:min(1080px,calc(100% - 32px));margin:0 auto;padding:64px 0}
.lac{background:#120e0c}
.tri,.g2{display:grid;gap:14px;margin-top:16px}.tri{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:1fr 1fr}
.tri article,.g2 article{background:#241c16;padding:16px;border:1px solid #3a3228}
.warn{border-color:var(--pine)!important}ul{margin:0;padding-left:1.1em}
.row{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin:36px 0}
.row.flip{direction:rtl}.row.flip>*{direction:ltr}
.n{font-family:var(--mono);color:var(--pine);font-size:12px}figure{margin:0}figcaption{font-size:13px;color:var(--mute);margin-top:6px}
footer{border-top:1px solid #3a3228;background:#0e0b09}
.end{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:22px 0}
@media(max-width:860px){.menu{display:block}#nav{display:none;position:absolute;top:50px;left:10px;right:10px;flex-direction:column;background:#241c16;padding:10px}#nav.open{display:flex}.tri,.g2,.row{grid-template-columns:1fr}.row.flip{direction:ltr}.end{flex-direction:column;align-items:flex-start}}