:root{
  --bg:#0F0E0A;--bg-deep:#080706;--panel:#1A1810;--panel-2:#242010;
  --title:#F5E6A8;--text:#E8DCB0;--muted:#B8A46A;--soft:#8A7A48;
  --yellow:#E8B923;--yellow-bright:#F3D056;--yellow-deep:#A88212;--cream:#FFF6D8;
  --border:rgba(232,185,35,.18);--border-strong:rgba(232,185,35,.46);--shadow:0 12px 28px rgba(0,0,0,.40);
  --max:1120px;--r:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg);overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.site-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1200;background:var(--yellow-bright);color:#0F0E0A;padding:8px 12px;border-radius:0 0 8px 8px}
.skip-link:focus{top:0}
.topline{position:fixed;z-index:900;top:0;left:0;right:0;height:22px;background:var(--bg-deep);border-bottom:1px solid var(--border)}
.topline-inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);white-space:nowrap}
.text-button{border:0;background:transparent;color:var(--title);min-height:22px;padding:0 8px}
.racebar{position:fixed;z-index:890;top:22px;left:0;right:0;height:60px;background:#100f0b;border-bottom:1px solid var(--border-strong)}
.racebar-inner{height:60px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px}
.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;max-width:260px}
.brand-logo-wrap:empty{display:none}.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-logo-wrap:not(:empty)+.brand-fallback{display:none}.brand-fallback{font-size:16px;font-weight:700;color:var(--title);white-space:nowrap}
.drawer-button,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;font-weight:700}
.drawer-button{border:1px solid var(--border-strong);background:var(--panel);color:var(--title);padding:0 22px}
.app-link{justify-self:end;padding:0 18px;background:linear-gradient(135deg,var(--yellow-bright) 0%,var(--yellow) 55%,var(--yellow-deep) 100%);color:#0F0E0A}
.daytabs{position:fixed;z-index:880;top:82px;left:0;right:0;height:40px;background:#0b0a07;border-bottom:1px solid var(--border)}
.daytabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:10px}
.daytabs a{min-height:32px;min-width:92px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;color:var(--muted);border-radius:8px;font-size:13px}
.daytabs a.is-current{background:var(--yellow);color:#0F0E0A;font-weight:700}
.main-content{padding-top:122px;min-height:60vh}
.hero,.page-hero{padding:28px 0 18px}
.page-kicker{font-size:12px;letter-spacing:.12em;color:var(--yellow);font-weight:700;text-transform:uppercase;margin:0 0 8px}
h1,h2,h3{color:var(--title);margin-top:0;line-height:1.3}h1{font-size:24px;margin-bottom:12px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--cream);max-width:800px}.muted{color:var(--muted)}
.banner-slot,.media-slot{width:100%;background:var(--bg-deep);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.banner-slot{height:260px}.banner-slot img,.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot{height:180px}.media-slot.tall{height:200px}.media-slot.app-visual{height:min(360px,70vw)}
.hero-copy{padding:20px 0 0}.hero-copy p{max-width:820px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--yellow-bright) 0%,var(--yellow) 55%,var(--yellow-deep) 100%);color:#0F0E0A}.btn-secondary{background:#11100c;border:1px solid var(--border-strong);color:var(--title)}
.mt-16{margin-top:16px}.mt-18{margin-top:18px}
.section{padding:28px 0;border-top:1px solid var(--border)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-head p{margin:0;color:var(--muted);max-width:650px}
.grid-3,.grid-2,.grid-4{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.number-card,.note-card,.policy-card,.faq-item,.rack-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px;box-shadow:var(--shadow)}
.card .media-slot{margin-bottom:14px}.card p:last-child,.policy-card p:last-child{margin-bottom:0}.card-link{display:inline-flex;min-height:44px;align-items:center;color:var(--yellow-bright);font-weight:700}
.number-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.number-card strong,.big-number{display:block;color:var(--yellow-bright);font-size:28px;line-height:1;margin-bottom:10px;font-variant-numeric:tabular-nums}
.rack{display:grid;gap:10px}.rack-item{display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:14px}.rack-tag{font-size:12px;color:#0F0E0A;background:var(--yellow);padding:5px 8px;border-radius:999px;text-align:center;font-weight:700}.rack-item p{margin:0;color:var(--muted)}.rack-item a{min-height:44px;display:inline-flex;align-items:center;color:var(--yellow-bright);font-weight:700}
.today-list{counter-reset:today;display:grid;gap:10px}.today-list article{counter-increment:today;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px 18px 18px 74px;position:relative}.today-list article:before{content:counter(today, decimal-leading-zero);position:absolute;left:18px;top:18px;color:var(--yellow-bright);font-size:26px;font-weight:700}
.timeline{position:relative;margin-left:12px;padding-left:26px;border-left:1px solid var(--border-strong)}.timeline article{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--r);padding:18px;margin-bottom:14px}.timeline article:before{content:"";position:absolute;left:-34px;top:24px;width:13px;height:13px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border:1px solid var(--border-strong);border-radius:999px;color:var(--title);font-size:12px;margin-bottom:8px}
.prose{max-width:860px}.prose h2{margin-top:30px}.prose h3{margin-top:22px}.prose p,.prose li{color:var(--text)}.prose ul,.prose ol{padding-left:1.25em}.prose li{margin:7px 0}.prose blockquote{margin:18px 0;padding:14px 16px;background:var(--panel);border-left:3px solid var(--yellow);color:var(--cream)}
.content-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:22px;align-items:start}.side-stack{display:grid;gap:14px;position:sticky;top:142px}.side-stack .media-slot{height:200px}
.faq-list{display:grid;gap:12px}.faq-item h2{font-size:16px;margin-bottom:8px}.faq-item p{margin:0;color:var(--text)}
.policy-list{display:grid;gap:14px}.policy-card h2{font-size:18px}.definition-list{display:grid;grid-template-columns:180px 1fr;gap:0;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}.definition-list dt,.definition-list dd{margin:0;padding:14px 16px;border-bottom:1px solid var(--border)}.definition-list dt{background:var(--panel-2);color:var(--title);font-weight:700}.definition-list dd{background:var(--panel)}.definition-list dt:last-of-type,.definition-list dd:last-of-type{border-bottom:0}
.app-showcase{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);gap:22px;align-items:center}.icon-box{display:flex;align-items:center;gap:14px}.icon-box img{width:48px;height:48px;object-fit:contain}.icon-fallback{width:48px;height:48px;border:1px solid var(--border-strong);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--yellow);font-weight:700;background:var(--bg-deep)}.icon-box .icon-slot:not(:empty)+.icon-fallback{display:none}
.site-footer{background:var(--bg-deep);border-top:1px solid var(--border-strong);padding:28px 0 80px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:14px;padding-bottom:18px}.footer-logo{height:28px;width:auto;object-fit:contain}.footer-brand strong{display:block;font-size:16px;color:var(--title)}.footer-brand span{color:var(--muted);letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 0}.footer-grid h2{font-size:13px;color:var(--yellow);margin-bottom:8px}.footer-grid a{display:block;min-height:32px;color:var(--text);padding:4px 0}.footer-note{padding-top:18px;color:var(--muted)}
.page-overlay{position:fixed;z-index:950;inset:0;background:rgba(0,0,0,.68);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.is-locked{overflow:hidden}
.race-drawer{position:fixed;z-index:980;top:0;right:0;width:min(400px,86vw);height:100dvh;background:#0b0a07;border-left:1px solid var(--border-strong);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;display:flex;flex-direction:column;box-shadow:var(--shadow)}.race-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.drawer-logo{height:28px;width:auto;object-fit:contain}.close-button{min-height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--border-strong);background:#11100c;color:var(--title)}.drawer-body{overflow:auto;padding:10px 16px 28px}.drawer-body section{padding:12px 0;border-bottom:1px solid var(--border)}.drawer-body h2{font-size:13px;color:var(--yellow);margin-bottom:8px}.drawer-body a{display:block;padding:10px;border-radius:10px}.drawer-body a:hover,.drawer-body a:focus-visible{background:var(--panel)}.drawer-body a strong{display:block;color:var(--title);font-size:14px}.drawer-body a span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.search-layer{position:fixed;z-index:970;top:82px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s ease}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-card{width:min(calc(100% - 32px),760px);margin:0 auto;background:#0b0a07;border:1px solid var(--border-strong);border-radius:0 0 14px 14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-head h2{font-size:18px;margin:0}.search-card label{display:block;color:var(--muted);margin:14px 0 7px}.search-card input{width:100%;height:44px;border:1px solid var(--border-strong);background:var(--panel);color:var(--cream);border-radius:10px;padding:0 12px;outline:none}.search-card input:focus{border-color:var(--yellow-bright);box-shadow:0 0 0 3px rgba(243,208,86,.12)}.search-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.search-presets a{min-height:54px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--title)}.search-presets a span{display:block;font-size:12px;color:var(--muted)}
.mobile-bottom{display:none}
a:hover{color:var(--cream)}a:focus-visible,button:focus-visible{outline:2px solid var(--yellow-bright);outline-offset:3px}.btn:hover,.app-link:hover{filter:brightness(1.06);color:#0F0E0A}.btn-secondary:hover{color:var(--cream);border-color:var(--yellow)}
@media (max-width:820px){
  .main-content{padding-top:82px;padding-bottom:62px}.daytabs{display:none}.site-shell{width:min(calc(100% - 32px),var(--max))}.racebar-inner{gap:8px}.brand-link{min-width:0;max-width:42vw}.brand-fallback{font-size:14px;overflow:hidden;text-overflow:ellipsis}.drawer-button{padding:0 14px}.app-link{padding:0 12px}.grid-3,.grid-4,.grid-2,.content-grid,.app-showcase{grid-template-columns:1fr}.number-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side-stack{position:static}.rack-item{grid-template-columns:78px 1fr}.rack-item a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search-layer{top:0;bottom:0;background:var(--bg-deep);overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;padding:calc(18px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom))}.search-presets{grid-template-columns:1fr}.mobile-bottom{position:fixed;z-index:920;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0a0907;border-top:1px solid var(--border-strong)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--yellow);color:#0F0E0A;font-weight:700}.site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom))}.banner-slot{height:260px}.section{padding:24px 0}.definition-list{grid-template-columns:1fr}.definition-list dt{border-bottom:0;padding-bottom:5px}.definition-list dd{padding-top:5px}.section-head{display:block}.section-head p{margin-top:5px}.page-hero{padding-top:24px}
}
@media (max-width:440px){.brand-link{max-width:36vw}.brand-logo{max-width:110px}.app-link{font-size:12px;padding:0 10px}.drawer-button{font-size:13px;padding:0 12px}.number-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.banner-slot{height:230px}}