:root{--h:310;--ah:156;--sat:81%;--lit:52%;--radius:16px;--space:1.25;--max:1085px;--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:.8fr 1.2fr}.cards{grid-template-columns:repeat(2,1fr)}.card:nth-child(3n){grid-column:1/-1}
.card,.hero-art{border-color:transparent;box-shadow:0 22px 60px #0004}
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{--bg:#f4f6fb;--surface:#fff;--obsidian:#14161f;--obsidian2:#1d2030;--ink:#1a1d2b;--ink2:#4a5066;--mute:#8a90a6;--line:#e3e7f0;--orange:#ff8a1f;--yellow:#ffd23f;--electric:#5b6cff;--violet:#9b5cff;--plum:#6d4a7c;--mint:#5fd1a8;font-family:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--ink);letter-spacing:.01em}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;padding:0 32px;height:64px;background:rgba(20,22,31,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);box-shadow:0 2px 24px rgba(20,22,31,.18)}
.brand{color:#fff;font-weight:700;font-size:18px;letter-spacing:.12em;display:flex;align-items:center;gap:10px}
.brand::before{content:'';width:10px;height:10px;background:var(--orange);box-shadow:0 0 12px var(--orange)}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:#c9cee0;text-decoration:none;padding:10px 14px;border-radius:6px;font-size:14px;font-weight:500;transition:all .2s}
.nav a:hover,.nav a:focus{color:#fff;background:rgba(255,138,31,.16);box-shadow:inset 0 -2px 0 var(--orange)}
.hero{position:relative;min-height:78vh;display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch;background:linear-gradient(135deg,var(--obsidian) 0%,var(--obsidian2) 60%,#252a3d 100%);overflow:hidden}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(60% 50% at 80% 20%,rgba(155,92,255,.22),transparent 70%),radial-gradient(50% 50% at 10% 90%,rgba(95,209,168,.18),transparent 70%);pointer-events:none}
.hero-copy{position:relative;z-index:2;padding:72px 56px 56px;color:#f5f7ff;display:flex;flex-direction:column;justify-content:center;gap:22px}
.hero-copy .eyebrow{color:var(--yellow);font-size:12px;letter-spacing:.28em;font-weight:600}
.hero-copy h1{font-size:clamp(34px,4.6vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.01em;margin:0}
.hero-copy p{color:#b8bee0;font-size:16px;line-height:1.65;max-width:46ch}
.hero-art{position:relative;min-height:420px;background:linear-gradient(120deg,rgba(91,108,255,.18),transparent 60%),radial-gradient(circle at 50% 40%,rgba(255,210,63,.18),transparent 55%),repeating-linear-gradient(0deg,transparent 0 38px,rgba(255,255,255,.03) 38px 39px),var(--obsidian2);border-left:1px solid rgba(255,255,255,.06)}
.hero-art .stat-card{position:absolute;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:14px 18px;backdrop-filter:blur(8px)}
.section{padding:64px 32px;max-width:1320px;margin:0 auto}
.section h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;margin:0 0 8px}
.section .sec-sub{color:var(--ink2);font-size:14px;margin:0 0 32px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;position:relative;transition:transform .25s,box-shadow .25s;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--orange),var(--yellow),var(--electric));opacity:.9}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(20,22,31,.12);border-color:rgba(255,138,31,.4)}
.card .tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:20px;background:rgba(109,74,124,.12);color:var(--plum);font-weight:600;letter-spacing:.04em}
.card h3{font-size:18px;margin:12px 0 8px;line-height:1.3}
.card p{color:var(--ink2);font-size:14px;line-height:1.6;margin:0 0 14px}
.article{max-width:820px;margin:0 auto;padding:48px 24px 80px}
.article h1{font-size:clamp(28px,3.4vw,40px);line-height:1.18;font-weight:800;letter-spacing:-.01em;margin:0 0 14px}
.article .meta{color:var(--mute);font-size:13px;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-body{font-size:16px;line-height:1.78;color:#2a2e3e}
.article-body p{margin:0 0 22px}
.article-body h2{font-size:22px;margin:36px 0 14px;font-weight:700}
.lead{font-size:18px;line-height:1.7;color:var(--ink);font-weight:500;border-left:3px solid var(--electric);padding-left:18px;margin:0 0 32px}
.button{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:8px;font-weight:600;font-size:14px;text-decoration:none;background:linear-gradient(135deg,var(--orange),var(--yellow));color:#1a1d2b;border:none;transition:transform .2s,box-shadow .2s}
.button:hover,.button:focus{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,138,31,.36)}
footer{background:var(--obsidian);color:#9aa0b8;padding:56px 32px 32px}
@media (max-width:1023px){.topbar{padding:0 20px}.nav{gap:2px}.nav a{padding:8px 10px;font-size:13px}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:40px 24px 36px}.hero-art{min-height:220px;border-left:0;border-top:1px solid rgba(255,255,255,.06)}.cards{grid-template-columns:repeat(2,1fr)}.