:root{--h:225;--ah:8;--sat:59%;--lit:61%;--radius:5px;--space:.82;--max:1150px;--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}.hero h1{max-width:14ch;font-size:clamp(50px,8vw,104px)}.hero-art{min-height:230px}.cards{grid-template-columns:1fr 1fr}
.card,.hero-art{border-color:transparent;box-shadow:0 22px 60px #0004}.topbar{align-items:flex-start}.nav{border-left:1px solid var(--line);padding-left:20px}
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 */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;background:rgba(15,17,21,.92);backdrop-filter:blur(10px);border-bottom:1px solid #2a2f3a}
.brand{font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;font-weight:700;font-size:20px;letter-spacing:.08em;color:#E8EAED;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.brand:before{content:"";width:10px;height:10px;border-radius:50%;background:#C6FF00;box-shadow:0 0 10px #C6FF00,0 0 4px #C6FF00}
.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav a{color:#A6ADBB;text-decoration:none;font-size:13px;padding:6px 12px;border:1px solid transparent;border-radius:6px;transition:.2s;letter-spacing:.04em;white-space:nowrap}
.nav a:hover{color:#E8EAED;border-color:#3a4252;background:rgba(255,255,255,.02)}
.nav a:focus-visible{outline:2px solid #00E676;outline-offset:2px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;max-width:1200px;margin:0 auto;padding:48px 24px 40px;min-height:62vh;position:relative}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 30%,rgba(0,230,118,.09),transparent 60%),radial-gradient(ellipse at 80% 70%,rgba(255,61,0,.07),transparent 55%);pointer-events:none}
.hero-copy{position:relative}
.hero-copy h1{font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;font-weight:700;font-size:clamp(30px,5vw,54px);line-height:1.05;letter-spacing:.02em;margin:0 0 16px;text-transform:uppercase}
.hero-copy h1 span{background:linear-gradient(90deg,#00E676,#FFB300,#3D5AFE,#FF3D00);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{color:#A6ADBB;font-size:16px;max-width:46ch;margin:0 0 22px;line-height:1.7}
.hero-art{position:relative;border-radius:14px;overflow:hidden;border:1px solid #2a2f3a;background:linear-gradient(135deg,#171A21,#1D2129);aspect-ratio:16/9;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.hero-art img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92}
.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(15,17,21,.55));pointer-events:none}
.section{max-width:1200px;margin:0 auto;padding:40px 24px;border-top:1px solid #1f242e}
.section h2{font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;font-weight:700;font-size:26px;letter-spacing:.06em;margin:0 0 20px;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.section h2:before{content:"";width:18px;height:3px;background:#00E676;box-shadow:0 0 8px #00E676}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{position:relative;background:linear-gradient(160deg,#1D2129,#171A21);border:1px solid #2a2f3a;border-radius:12px;padding:18px 16px 18px 24px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent,#00E676);box-shadow:0 0 12px var(--accent,#00E676)}
.card:hover{transform:translateY(-4px);border-color:var(--accent,#00E676);box-shadow:0 8px 24px rgba(0,0,0,.45),0 0 0 1px var(--accent,#00E676)}
.card[data-project=football]{--accent:#00E676}
.card[data-project=basketball]{--accent:#FFB300}
.card[data-project=tennis]{--accent:#3D5AFE}
.card[data-project=running]{--accent:#FF3D00}
.card h3{font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;font-size:18px;margin:0 0 8px;letter-spacing:.04em;color:#E8EAED}
.card .num{font-family:"Oswald",Impact,system-ui,sans-serif;font-size:24px;font-weight:700;color:var(--accent,#00E676)}
.card .label{font-size:12px;color:#A6ADBB;letter-spacing:.05em}
.card .tag{display:inline-block;font-size:11px;padding:3px 8px;border:1px solid #3a4252;border-radius:99px;color:#A6ADBB;margin-top:10px}
.article{max-width:760px;margin:0 auto;padding:36px 24px 60px}
.article-body{font-size:16px;line-height:1.78;color:#C9CFD9}
.article-body h2,.article-body h3{font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;letter-spacing:.04em;color:#E8EAED;margin:32px 0 12px}
.article-body p{margin:0 0 18px}
.article-body strong{color:#00E676;font-weight:600}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 18px}
.article-body li{margin:6px 0}
.article-body blockquote{border-left:3px solid #FFB300;padding:8px 16px;margin:0 0 18px;background:rgba(255,179,0,.06);border-radius:0 8px 8px 0;color:#E8EAED}
.article-body code{background:#1D2129;padding:2px 6px;border-radius:4px;font-size:.9em;color:#3D5AFE}
.lead{font-size:19px;line-height:1.7;color:#E8EAED;margin:0 0 28px;padding-bottom:18px;border-bottom:1px solid #2a2f3a;font-weight:500}
.button{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;background:linear-gradient(135deg,#00E676,#00c853);color:#0F1115;font-weight:700;font-family:"Oswald","Archivo Narrow",Impact,system-ui,sans-serif;letter-spacing:.06em;text-decoration:none;font-size:14px;text-transform:uppercase;border:none;cursor:pointer;transition:transform .15s,box-shadow .2s;box-shadow:0 4px 14px rgba(0,230,118,.25)}
.button:hover{box-shadow:0 6px 20px rgba(0,230,118,.4)}
.button:active{transform:scale(.96)}
.button.ghost{background:transparent