:root{--h:265;--ah:42;--sat:52%;--lit:62%;--radius:13px;--space:1.25;--max:1123px;--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:1380px}.hero{grid-template-columns:1fr}.hero-art{min-height:52vw;max-height:620px}.cards{grid-template-columns:repeat(3,1fr)}
.card,.hero-art{background:linear-gradient(145deg,#ffffff15,#ffffff06);backdrop-filter:blur(18px)}.topbar{border:0}.nav a{font-size:13px;text-transform:uppercase;letter-spacing:.12em}
h1,h2,.brand{font-family:Georgia,"Noto Serif SC","Songti SC",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:#0B0E1A;background-image:radial-gradient(ellipse at 18% 0%,rgba(79,124,255,.18),transparent 55%),radial-gradient(ellipse at 82% 12%,rgba(168,85,247,.16),transparent 50%),linear-gradient(180deg,#0B0E1A 0%,#101428 100%);color:#E5E7EB;font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.7;margin:0;min-height:100vh;-webkit-font-smoothing:antialiased}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;padding:14px 32px;background:rgba(11,14,26,.72);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid rgba(139,92,246,.22)}
.brand{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC","SimSun",serif;font-size:20px;font-weight:600;letter-spacing:2px;color:#E5E7EB;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand::before{content:"";width:10px;height:10px;border-radius:2px;background:linear-gradient(135deg,#4F7CFF,#A855F7);box-shadow:0 0 12px rgba(139,92,246,.7)}
.nav{display:flex;gap:4px;margin-left:8px;flex:1;flex-wrap:wrap}
.nav a{color:#9CA3AF;text-decoration:none;font-size:14px;padding:8px 14px;border-radius:8px;transition:color .2s,background .2s,box-shadow .2s;min-width:40px;text-align:center}
.nav a:hover,.nav a[aria-current="page"]{color:#E5E7EB;background:rgba(139,92,246,.16);box-shadow:inset 0 0 0 1px rgba(139,92,246,.45)}
.hero{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;max-width:1240px;margin:0 auto;padding:64px 32px 56px;min-height:68vh}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(79,124,255,.14),rgba(168,85,247,.10) 60%,transparent);filter:blur(40px);z-index:-1}
.hero-copy h1{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;font-size:clamp(28px,4vw,46px);line-height:1.25;margin:0 0 20px;letter-spacing:1px;color:#F3F4F6}
.hero-copy p{color:#9CA3AF;font-size:16px;max-width:52ch;margin:0 0 28px;line-height:1.7}
.hero-art{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,rgba(79,124,255,.18),rgba(168,85,247,.18));border:1px solid rgba(139,92,246,.25);box-shadow:0 20px 60px rgba(0,0,0,.45)}
.hero-art::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 38px,rgba(139,92,246,.06) 38px 39px);pointer-events:none}
.section{max-width:1240px;margin:0 auto;padding:56px 32px}
.section h2{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;font-size:26px;margin:0 0 28px;color:#F3F4F6;letter-spacing:1px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{background:rgba(20,24,42,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(139,92,246,.25);border-radius:12px;padding:20px;transition:transform .25s,box-shadow .25s,border-color .25s;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:12px}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.5),0 0 0 1px rgba(168,85,247,.5);border-color:rgba(168,85,247,.55)}
.card h3{font-size:17px;margin:0;color:#E5E7EB}
.card p{color:#9CA3AF;font-size:14px;margin:0;line-height:1.6}
.card .tag{font-size:12px;color:#F59E0B;letter-spacing:1px}
.article{max-width:820px;margin:0 auto;padding:40px 32px 80px}
.article h1{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin:0 0 12px;color:#F3F4F6}
.article .meta{color:#9CA3AF;font-size:13px;margin-bottom:28px}
.article-body{font-size:16px;line-height:1.85;color:#D1D5DB}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;font-size:22px;margin:2em 0 .8em;color:#E5E7EB}
.article-body code{background:rgba(139,92,246,.16);padding:2px 6px;border-radius:4px;font-size:14px}
.article-body .keypoint{border-left:3px solid #F59E0B;background:rgba(245,158,11,.08);padding:14px 18px;border-radius:6px;margin:1.