:root{--h:216;--ah:184;--sat:61%;--lit:63%;--radius:9px;--space:1;--max:1220px;--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}.shell{max-width:1260px}.hero{grid-template-columns:320px 1fr}.cards{grid-template-columns:repeat(4,1fr)}.card:first-child{grid-column:span 2}
.card,.hero-art{background:var(--panel);box-shadow:0 18px 50px #0003}.topbar{margin-top:16px;padding:14px 18px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
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{background:#0a0e17;color:#e5e7eb;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;margin:0;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse at 18% 0,rgba(79,140,255,.18),transparent 55%),radial-gradient(ellipse at 88% 28%,rgba(192,38,211,.14),transparent 50%),linear-gradient(135deg,#0a0e17,#0d1220 70%);z-index:-2;animation:flow 14s ease-in-out infinite alternate}
body::after{content:"";position:fixed;inset:0;background:radial-gradient(circle at 70% 80%,rgba(34,211,238,.08),transparent 40%);z-index:-2;animation:flow 18s ease-in-out infinite alternate-reverse}
@keyframes flow{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-2%,2%,0) scale(1.05)}}
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,14,23,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid rgba(79,140,255,.22);padding:.7rem 1.4rem;display:flex;align-items:center;gap:1.2rem}
.brand{font-weight:800;letter-spacing:.02em;font-size:1.05rem;background:linear-gradient(135deg,#4f8cff,#8b5cf6,#c026d3);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0}
.nav{display:flex;gap:.3rem;align-items:center;margin-left:auto;flex-wrap:wrap}
.nav a{color:#9ca3af;text-decoration:none;font-size:.85rem;padding:.4rem .7rem;border-radius:6px;transition:.25s;font-weight:500}
.nav a:hover{color:#e5e7eb;background:rgba(79,140,255,.14)}
.hero{min-height:62vh;padding:6rem 1.4rem 2rem;display:grid;grid-template-columns:1.4fr 1fr;gap:1.5rem;max-width:1240px;margin:0 auto;align-items:stretch}
.hero-copy{background:linear-gradient(180deg,#131826,#0f1422);border:1px solid rgba(79,140,255,.32);border-radius:10px;padding:1.6rem 1.8rem;box-shadow:0 8px 40px rgba(0,0,0,.5),0 0 30px rgba(79,140,255,.08);display:flex;flex-direction:column;gap:.8rem}
.hero-copy h1,.hero-copy h2{margin:0;font-size:1.6rem;line-height:1.25;font-weight:800;background:linear-gradient(135deg,#4f8cff,#8b5cf6,#c026d3);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{margin:.2rem 0;color:#9ca3af;font-size:.92rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-art{border-radius:10px;overflow:hidden;border:1px solid rgba(79,140,255,.28);min-height:200px;background:linear-gradient(135deg,#0d1220,#131826);position:relative;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(79,140,255,.1),transparent 60%,rgba(192,38,211,.1));pointer-events:none}
.section{max-width:1240px;margin:0 auto;padding:2.5rem 1.4rem}
.section h2{font-size:1.35rem;font-weight:800;margin:0 0 1.2rem;color:#e5e7eb;letter-spacing:.01em}
.section h2 span,.section h2 em{background:linear-gradient(135deg,#4f8cff,#c026d3);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:normal}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.card{background:#131826;border:1px solid rgba(79,140,255,.28);border-radius:8px;padding:1rem 1.1rem;transition:.28s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:8px;background:linear-gradient(135deg,rgba(79,140,255,.06),transparent 50%);opacity:0;transition:.28s}
.card:hover{transform:translateY(-4px);border-color:rgba(79,140,255,.55);box-shadow:0 12px 30px rgba(0,0,0,.45),0 0 24px rgba(79,140,255,.18)}
.card:hover::before{opacity:1}
.card h3{margin:.2rem 0 .4rem;font-size:1rem;font-weight:700;color:#e5e7eb;line-height:1.4}
.card p{margin:.2rem 0;color:#9ca3af;font-size:.82rem;line-height:1.5}
.card a{color:#22d3ee;text-decoration:none;font-size:.78rem;font-weight:600}
.card a:hover{color:#4f8cff}
.article{max-width:720px;margin:0 auto;padding:5.5rem 1.4rem 3rem;color:#e5e7eb}
.article h1{font-size:1.9rem;font-weight:800;line-height:1.3;margin:.6rem 0 .5rem;background:linear-gradient(135deg,#4f8cff,#8b5cf6,#c026d3);-webkit-background-clip:text;background-clip:text;color:transparent}
.article-body{font-size:1.02rem;line-height:1.75;color:#d1d5db;font-weight:400}
.article-body p{margin:0 0 1.3em;text-align:left}
.article-body h2{font-size:1.25rem;font-weight:700;color:#22d3ee;margin:2em 0 .7em;letter-spacing:.01em}
.article-body h3{font-size:1.08rem;font-weight:600;color:#8b5cf6;margin:1.6em 0 .6em}
.article-body a{color:#22d3ee;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(34,211,238,.45)}
.article-body a:hover{color:#4f8cff;text-decoration-color:#4f8cff}
.article-body blockquote{margin:1.6em 0;padding:.7em 1.1em;border-left:3px solid #4f8cff;background:rgba(79,140,255,.07);border-radius:0 6px 6px 0;color:#9ca3af;font-size:.95rem;line-height:1.7}
.article-body ul,.article-body ol{margin:1em 0 1.4em;padding-left:1.4em}
.article-body li{margin:.5em 0;list-style:none;position:relative;padding-left:.2em}
.article-body li::before{content:"";position:absolute;left:-1em;top:.65em;width:6px;height:6px;background:linear-gradient(135deg,#4f8cff,#c026d3);border-radius:1px}
.article-body img{width:100%;border-radius:8px;margin:1.4em 0;border:1px solid rgba(79,140,255,.2)}
.lead{font-size:1.12rem;color:#e5e7eb;font-weight:500;line-height:1.7;margin:0 0 1.6em;border-left:3px solid #8b5cf6;padding-left:1em}
.button{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.4rem;background:linear-gradient(135deg,#4f8cff,#8b5cf6);color:#fff;border-radius:8px;text-decoration:none;font-weight:600;font-size:.9rem;border:1px solid rgba(79,140,255,.4);transition:.25s;box-shadow:0 4px 20px rgba(79,140,255,.25)}
.button:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,140,255,.4)}
footer{border-top:1px solid rgba(79,140,255,.2);background:rgba(10,14,23,.85);padding:2rem 1.4rem;color:#9ca3af;font-size:.82rem;backdrop-filter:blur(8px)}
footer a{color:#22d3ee;text-decoration:none}
footer a:hover{color:#4f8cff}
@media(max-width:768px){
.topbar{padding:.5rem .8rem;gap:.6rem;flex-wrap:wrap}
.brand{font-size:.95rem}
.nav{gap:.15rem;width:100%;justify-content:flex-start;margin-left:0;order:3}
.nav a{font-size:.74rem;padding:.3rem .5rem}
.hero{grid-template-columns:1fr;min-height:auto;padding:4.5rem .9rem 1.5rem;gap:.9rem}
.hero-copy{padding:1.1rem 1.2rem;gap:.5rem}
.hero-copy h1,.hero-copy h2{font-size:1.3rem}
.hero-copy p{font-size:.85rem}
.hero-art{min-height:130px;order:-1}
.section{padding:1.8rem .9rem}
.section h2{font-size:1.1rem}
.cards{grid-template-columns:1fr;gap:.7rem}
.card{padding:.85rem .9rem}
.article{padding:4.5rem .9rem 2rem}
.article h1{font-size:1.5rem}
.article-body{font-size:.96rem;line-height:1.7}
.article-body h2{font-size:1.1rem}
.lead{font-size:1rem}
.button{padding:.55rem 1.1rem;font-size:.82rem}
footer{padding:1.5rem .9rem}
}