:root{--h:225;--ah:8;--sat:65%;--lit:59%;--radius:11px;--space:1.25;--max:1162px;--bg:hsl(var(--h) 34% 8%);--panel:hsl(var(--h) 25% 13%);--ink:hsl(var(--h) 20% 96%);--muted:hsl(var(--h) 14% 70%);--accent:hsl(var(--ah) var(--sat) var(--lit));--line:hsl(var(--h) 20% 28%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.light{--bg:hsl(var(--h) 35% 96%);--panel:white;--ink:hsl(var(--h) 35% 11%);--muted:hsl(var(--h) 12% 38%);--line:hsl(var(--h) 18% 82%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),92vw);margin:auto}.topbar{display:flex;align-items:center;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);position:relative;z-index:4}.brand{font-weight:900;letter-spacing:.06em;margin-right:auto}.nav{display:flex;gap:18px;align-items:center}.nav a,.tool{color:var(--muted)}.tool{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 11px}.nav-toggle{display:none;align-items:center;justify-content:center;line-height:1}.nav-backdrop{display:none;position:fixed;inset:0;background:#0008;z-index:15}.nav-backdrop.open{display:block}.hero{position:relative;display:grid;gap:clamp(28px,5vw,70px);align-items:center;padding:calc(54px * var(--space)) 0;overflow:hidden}.hero-copy{position:relative}.eyebrow,.kicker{color:var(--accent);font-weight:800;letter-spacing:.15em;text-transform:uppercase}h1{font-size:clamp(38px,5.2vw,70px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}h2{line-height:1.25}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:780px}.hero-art{min-height:360px;border:1px solid var(--line);border-radius:calc(var(--radius) + 12px);background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 22%,transparent),var(--panel));overflow:hidden;display:grid;place-items:center;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover}.section{padding:calc(44px * var(--space)) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p,.muted{color:var(--muted)}.cards{display:grid;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:calc(25px * var(--space));transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card-index{font-weight:900;color:var(--accent)}.card p{color:var(--muted)}.article{width:min(760px,92vw);margin:auto;padding:56px 0}.article h1{font-size:clamp(34px,5vw,58px)}.article-figure{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.article-figure img{width:100%;display:block;object-fit:cover;max-height:420px}.article-body{font-size:18px}.article-body p{margin:1.2em 0}.crumbs{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.button{display:inline-block;background:var(--accent);color:hsl(var(--h) 40% 8%);border:0;border-radius:999px;padding:10px 17px;font-weight:800}.button.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}details{padding:16px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.search-layer{position:fixed;inset:0;background:#000b;z-index:20;display:none;padding:8vh 5vw}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.search-box input,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:12px}.result{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.form{display:grid;gap:14px;max-width:680px}.form label{display:grid;gap:5px}.hp{position:absolute;left:-9999px}footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);margin-top:50px}.hero{grid-template-columns:.9fr 1.1fr}.cards{grid-template-columns:1fr}.card{display:grid;grid-template-columns:80px .6fr 1.4fr;align-items:start}.card p{margin-top:0}
.card,.hero-art{background:transparent;border-width:2px}.topbar{border:0}.nav a{font-size:13px;text-transform:uppercase;letter-spacing:.12em}
h1,h2,.brand{font-family:Inter,system-ui,"Microsoft YaHei",sans-serif}h1{font-size:clamp(36px,4.3vw,58px);line-height:1.1;letter-spacing:-.025em}
@media(max-width:800px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:0;right:-100%;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:22px;padding:88px 26px 26px;background:var(--panel);border-left:1px solid var(--line);transition:right .25s ease;z-index:16}.nav.open{right:0}.nav a{display:block;font-size:16px}.hero,.cards,.card{grid-template-columns:1fr!important}.card{grid-column:auto!important;transform:none!important}.hero-art{min-height:260px;position:relative}h1{font-size:clamp(32px,9vw,46px)}}

/* AI-generated per-site template layer */
body{margin:0;background:#0A0E1A;background-image:linear-gradient(135deg,#0A0E1A 0%,#0E1124 45%,#12112A 100%);color:#E8ECF4;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",system-ui,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;padding:10px 28px;background:rgba(10,14,26,0.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(138,146,176,0.12)}
.brand{font-weight:700;font-size:16px;letter-spacing:0.4px;white-space:nowrap;background:linear-gradient(90deg,#4A9EFF,#8B5CF6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav{display:flex;gap:2px;margin-left:6px;flex:1;flex-wrap:wrap}
.nav a{color:#8892B0;text-decoration:none;font-size:14px;padding:7px 12px;border-radius:6px;transition:color .2s,background .2s}
.nav a:hover{color:#E8ECF4;background:rgba(74,158,255,0.08)}
.nav a.active{color:#4A9EFF;background:rgba(74,158,255,0.1)}
.hero{position:relative;display:grid;grid-template-columns:1.05fr 0.95fr;gap:32px;align-items:center;max-width:1180px;margin:0 auto;padding:44px 28px 36px;min-height:64vh}
.hero::before{content:"";position:absolute;top:-30px;left:18%;width:64%;height:200px;background:radial-gradient(ellipse at center,rgba(74,158,255,0.14),rgba(139,92,246,0.08) 50%,transparent 75%);filter:blur(40px);pointer-events:none;z-index:0}
.hero-copy{position:relative;z-index:1}
.hero-copy h1{font-size:36px;font-weight:700;line-height:1.25;margin:0 0 14px;letter-spacing:-0.5px}
.hero-copy h1 em{font-style:normal;background:linear-gradient(90deg,#4A9EFF,#8B5CF6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-copy p{color:#8892B0;font-size:15px;line-height:1.7;margin:0 0 22px;max-width:460px}
.hero-art{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-art .card{margin:0;padding:16px}
.section{max-width:1180px;margin:0 auto;padding:44px 28px;border-top:1px solid rgba(138,146,176,0.12)}
.section h2{font-size:24px;font-weight:700;margin:0 0 20px;letter-spacing:-0.3px}
.section h2 em{font-style:normal;color:#4A9EFF}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{position:relative;background:rgba(18,22,38,0.62);backdrop-filter:blur(8px);border:1px solid rgba(74,158,255,0.16);border-radius:10px;padding:18px;transition:border-color .25s,box-shadow .25s,transform .25s;overflow:hidden}
.card:hover{border-color:rgba(74,158,255,0.42);box-shadow:0 0 22px rgba(74,158,255,0.12),0 6px 22px rgba(0,0,0,0.3);transform:translateY(-2px)}
.card h3{font-size:16px;font-weight:600;margin:0 0 8px;color:#E8ECF4}
.card p{font-size:13px;color:#8892B0;margin:0;line-height:1.6}
.card .icon{width:28px;height:28px;border:1px solid rgba(74,158,255,0.4);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;color:#4A9EFF;font-size:14px;margin-bottom:10px}
.article{max-width:760px;margin:0 auto;padding:48px 28px 64px}
.article h1{font-size:32px;font-weight:700;line-height:1.3;margin:0 0 10px;letter-spacing:-0.4px}
.article .meta{color:#4A5568;font-size:13px;margin:0 0 30px;padding-bottom:14px;border-bottom:1px solid rgba(138,146,176,0.12