:root{--h:214;--ah:354;--sat:82%;--lit:50%;--radius:12px;--space:.82;--max:1019px;--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:1fr 1fr}.cards{display:grid;grid-template-columns:repeat(12,1fr)}.card{grid-column:span 4}.card:nth-child(1),.card:nth-child(4){grid-column:span 7}.card:nth-child(2),.card:nth-child(5){grid-column:span 5}
.card,.hero-art{background:var(--panel);box-shadow:0 18px 50px #0003}
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:#F5F5F7;color:#1F1F1F;font-family:-apple-system,"Helvetica Neue","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6;letter-spacing:-0.01em;padding-top:58px;-webkit-font-smoothing:antialiased}
.topbar{position:fixed;top:0;left:0;right:0;height:58px;background:#1F1F1F;color:#F5F5F7;display:flex;align-items:center;padding:0 28px;z-index:999;border-bottom:3px solid #E60012;box-shadow:0 1px 0 rgba(0,0,0,.08)}
.brand{font-weight:800;font-size:18px;letter-spacing:-0.03em;color:#F5F5F7;flex-shrink:0;margin-right:36px;text-transform:none}
.brand::after{content:"";display:inline-block;width:3px;height:18px;background:#E60012;margin-left:12px;vertical-align:middle}
.nav{display:flex;gap:22px;flex:1;font-size:13.5px;font-weight:600;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:#9A9A9F;text-decoration:none;white-space:nowrap;padding:4px 0;position:relative;transition:color .15s}
.nav a:hover,.nav a.active{color:#E60012}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:#E60012}
.hero{max-width:1200px;margin:24px auto 0;padding:0 24px;display:grid;grid-template-columns:1.8fr 1fr;grid-template-rows:auto auto;gap:14px;min-height:58vh}
.hero-art{grid-column:1;grid-row:1;background:#1F1F1F;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:32px;border-radius:6px;min-height:380px}
.hero-art::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#2A2A2E 0%,#1F1F1F 60%,#0F0F12 100%)}
.hero-art::after{content:"";position:absolute;right:24px;top:24px;width:64px;height:64px;border:2px solid #E60012;border-radius:50%;opacity:.5}
.hero-copy{position:relative;z-index:2;color:#F5F5F7;max-width:75%;padding:28px;background:rgba(31,31,31,.72);border-left:4px solid #E60012;border-radius:4px}
.hero-copy h1,.hero-copy h2{font-weight:800;font-size:30px;line-height:1.18;letter-spacing:-0.03em;margin:0 0 14px}
.hero-copy .lead{font-size:14px;line-height:1.65;color:#C8C8CC;margin:0 0 16px}
.hero-copy .button{margin-top:4px}
.cards{grid-column:2;grid-row:1 / span 2;display:flex;flex-direction:column;gap:14px}
.card{background:#FFFFFF;border:1px solid #E2E2E6;border-left:3px solid #E60012;padding:18px 20px;border-radius:5px;transition:box-shadow .18s,transform .18s;display:flex;flex-direction:column;flex:1;min-height:0}
.card:hover{box-shadow:0 3px 16px rgba(0,0,0,.07);transform:translateY(-2px)}
.card h3{font-size:15.5px;font-weight:700;margin:0 0 8px;letter-spacing:-0.015em;line-height:1.3;color:#1F1F1F}
.card p{font-size:13px;color:#5A5A5E;margin:0 0 10px;line-height:1.5}
.card .tag{font-size:11px;font-weight:700;color:#E60012;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:6px}
.section{max-width:1200px;margin:56px auto 0;padding:0 24px}
.article{max-width:720px;margin:28px auto 56px;padding:0 24px}
.article h1{font-size:27px;font-weight:800;letter-spacing:-0.025em;line-height:1.22;margin:0 0 14px;color:#1F1F1F}
.article-body{background:#FFFFFF;border:1px solid #E2E2E6;border-top:4px solid #E60012;padding:36px 44px;border-radius:6px;margin-top:18px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.article-body h2{font-size:20px;font-weight:700;margin:36px 0 14px;padding-left:14px;border-left:4px solid #E60012;letter-spacing:-0.015em;line-height:1.3}
.article-body h3{font-size:16px;font-weight:700;margin:26px 0 10px;color:#2A2A2E}
.article-body p{font-size:15px;line-height:1.78;color:#2A2A2A;margin:0 0 22px}
.lead{font-size:16px;color:#4A4A4E;border-left:3px solid #D0D0D4;padding-left:16px;margin-bottom:28px;line-height:1.7;font-style:normal}
.button{display:inline-block;background:#E60012;color:#FFFFFF;padding:9px 22px;font-size:13px;font-weight:700;text-decoration:none;border-radius