:root{
  --bg:#0F0E0A;--bg-deep:#080706;--panel:#1A1810;--panel-2:#242010;
  --title:#F5E6A8;--text:#E8DCB0;--muted:#B8A46A;--assist:#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;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
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;word-break:break-word}
body.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
.site-head{position:fixed;inset:0 0 auto;z-index:50}
.topline{height:22px;background:var(--bg-deep);border-bottom:1px solid var(--border);font-size:12px;color:var(--muted)}
.topline-inner,.racebar-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:100%}
.text-button{border:0;background:transparent;color:var(--title);padding:0 10px;min-height:22px}
.text-button:hover,.text-button:focus-visible{color:var(--yellow-bright);outline:1px solid var(--border-strong);outline-offset:-1px}
.racebar{height:60px;background:#100F0A;border-bottom:1px solid var(--border-strong)}
.racebar-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:16px}
.racebar-brand{justify-self:start;display:flex;align-items:center;min-height:44px;font-size:16px;font-weight:800;color:var(--title)}
.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.drawer-open{justify-self:center;min-width:92px;height:44px;border-radius:10px;border:1px solid var(--border-strong);background:var(--panel);color:var(--title);font-size:14px;font-weight:700}
.racebar-app{justify-self:end;display:flex;align-items:center;justify-content:center;min-width:94px;height:44px;border-radius:10px;background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A;font-size:14px;font-weight:800;padding:0 16px;white-space:nowrap}
.drawer-open:hover,.drawer-open:focus-visible{background:var(--panel-2);outline:2px solid var(--yellow-bright);outline-offset:2px}
.racebar-app:hover,.racebar-app:focus-visible{filter:brightness(1.07);outline:2px solid var(--cream);outline-offset:2px}
.daytag{height:40px;background:var(--bg-deep);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px}
.daytag a{min-height:32px;display:flex;align-items:center;padding:0 18px;border-radius:8px;color:var(--muted)}
.daytag a:hover,.daytag a:focus-visible{color:var(--title);outline:1px solid var(--border-strong)}
.daytag a.is-active{background:var(--yellow);color:#0F0E0A;font-weight:800}
.site-main{padding-top:122px;min-height:60vh}
.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.page-hero{padding:44px 0 22px}
.eyebrow{margin:0 0 8px;color:var(--yellow);font-size:13px;font-weight:800;letter-spacing:.08em}
h1{margin:0;color:var(--title);font-size:24px;line-height:1.3}
h2{margin:0 0 12px;color:var(--title);font-size:20px;line-height:1.35}
h3{margin:0 0 8px;color:var(--title);font-size:16px;line-height:1.45}
p{margin:0 0 1em}
.lead{max-width:820px;margin-top:14px;color:var(--text);font-size:16px}
.section{padding:24px 0 34px}
.section + .section{border-top:1px solid var(--border)}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.card p:last-child{margin-bottom:0}
.card-kicker{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:28px;padding:0 9px;margin-bottom:10px;border-radius:999px;background:rgba(232,185,35,.12);border:1px solid var(--border);color:var(--yellow-bright);font-weight:800}
.list-clean{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.list-clean li{padding:12px 14px;background:var(--panel);border-left:3px solid var(--yellow-deep);border-radius:0 10px 10px 0}
.link-list{display:grid;gap:10px}
.link-list a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:10px 14px;background:var(--panel);border:1px solid var(--border);border-radius:10px;color:var(--title)}
.link-list a::after{content:"›";color:var(--yellow)}
.link-list a:hover,.link-list a:focus-visible{border-color:var(--border-strong);background:var(--panel-2);outline:0}
.media-slot{width:100%;background:var(--bg-deep);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-180{height:180px}.media-200{height:200px}.media-260{height:260px}.media-app{height:min(360px,72vw)}
.hero-copy{padding:22px 0 6px;max-width:860px}
.hero-copy p{margin-top:10px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn-primary,.btn-secondary{min-height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A}
.btn-secondary{background:var(--bg-deep);border:1px solid var(--border-strong);color:var(--title)}
.btn-primary:hover,.btn-primary:focus-visible{filter:brightness(1.06);outline:2px solid var(--cream);outline-offset:2px}
.btn-secondary:hover,.btn-secondary:focus-visible{background:var(--panel);outline:2px solid var(--yellow-bright);outline-offset:2px}
.numbered-list{counter-reset:item;display:grid;gap:12px}
.numbered-item{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:12px}
.numbered-item .num{font-size:22px;font-weight:900;color:var(--yellow-bright);line-height:1}
.shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.shelf-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.shelf-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;background:var(--panel-2);border-bottom:1px solid var(--border)}
.shelf-head span{color:var(--yellow-bright);font-size:13px;font-weight:800}
.shelf-body{padding:15px}
.timeline{position:relative;margin-left:10px;padding-left:26px;display:grid;gap:16px}
.timeline::before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:1px;background:var(--border-strong)}
.timeline-item{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px 18px}
.timeline-item::before{content:"";position:absolute;left:-26px;top:22px;width:11px;height:11px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 4px var(--bg)}
.status{display:inline-flex;min-height:28px;align-items:center;padding:0 9px;border-radius:999px;background:rgba(232,185,35,.12);border:1px solid var(--border);color:var(--yellow-bright);font-size:12px;font-weight:800}
.note{padding:14px 16px;border:1px solid var(--border-strong);border-radius:10px;background:rgba(232,185,35,.07);color:var(--text)}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}
.faq-item h2,.faq-item h3{color:var(--title)}
.site-footer{margin-top:36px;background:var(--bg-deep);border-top:1px solid var(--border-strong);font-size:13px;color:var(--text)}
.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 70px}
.footer-brand{margin-bottom:24px}.footer-brand-link{display:inline-flex;align-items:center;gap:12px;min-height:44px}.footer-brand-link span{display:grid;line-height:1.2}.footer-brand-link small{color:var(--muted);margin-top:5px;letter-spacing:.1em}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-grid h2{font-size:14px;color:var(--yellow-bright);margin-bottom:8px}.footer-grid section{display:grid;align-content:start;gap:5px}.footer-grid a{min-height:30px;color:var(--text)}.footer-grid a:hover,.footer-grid a:focus-visible{color:var(--yellow-bright);outline:none}
.footer-note{margin:24px 0 8px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted)}.footer-copy{margin:0;color:var(--assist)}
.page-overlay{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.68);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.race-drawer{position:fixed;z-index:90;top:0;right:0;width:min(400px,86vw);height:100dvh;background:var(--bg-deep);border-left:1px solid var(--border-strong);box-shadow:var(--shadow);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.race-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{height:72px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:800}.icon-close{min-width:58px;min-height:44px;border-radius:9px;border:1px solid var(--border-strong);background:var(--panel);color:var(--title)}.icon-close:hover,.icon-close:focus-visible{background:var(--panel-2);outline:2px solid var(--yellow-bright);outline-offset:2px}
.drawer-scroll{height:calc(100dvh - 72px);overflow-y:auto;padding:16px}.drawer-group{padding:8px 0 14px}.drawer-group h2{font-size:13px;color:var(--yellow-bright);margin-bottom:8px}.drawer-group a{display:grid;gap:2px;padding:11px 12px;border-radius:10px;border:1px solid transparent}.drawer-group a:hover,.drawer-group a:focus-visible{background:var(--panel);border-color:var(--border);outline:0}.drawer-group strong{font-size:14px;color:var(--title)}.drawer-group span{font-size:12px;color:var(--muted)}
.search-panel{position:fixed;z-index:95;top:82px;left:50%;width:min(720px,calc(100% - 32px));transform:translate(-50%,-14px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.search-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--bg-deep);border:1px solid var(--border-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}.search-head>div{display:grid}.search-head strong{color:var(--title);font-size:16px}.search-head span{color:var(--muted);font-size:13px}.search-input-wrap{display:grid;gap:6px;color:var(--muted);font-size:12px}.search-input-wrap input{width:100%;height:46px;border-radius:10px;border:1px solid var(--border-strong);background:var(--panel);color:var(--cream);padding:0 14px;outline:none}.search-input-wrap input:focus{border-color:var(--yellow-bright);box-shadow:0 0 0 3px rgba(232,185,35,.12)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:9px;background:var(--panel);border:1px solid var(--border);color:var(--title)}.search-presets a:hover,.search-presets a:focus-visible{border-color:var(--border-strong);background:var(--panel-2);outline:0}.search-empty{margin:12px 0 0;color:var(--muted)}
.mobile-bottom{display:none}
.article{max-width:860px}.article section{margin-bottom:26px}.article p{color:var(--text)}.article ul{padding-left:1.2em}.article li{margin:6px 0}.split-feature{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:22px;align-items:start}.app-copy{display:grid;gap:14px}.mini-icon{width:48px;height:48px;object-fit:contain}
@media (max-width:820px){
  .daytag{display:none}.site-main{padding-top:82px;padding-bottom:54px}.racebar-inner{width:calc(100% - 24px);gap:8px;grid-template-columns:minmax(0,1fr) auto auto}.racebar-brand{min-width:0}.racebar-brand .brand-logo{max-width:118px}.racebar-brand span{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drawer-open{min-width:64px;padding:0 12px}.racebar-app{min-width:72px;padding:0 12px}.grid-3,.grid-4{grid-template-columns:1fr}.grid-2,.shelf,.split-feature{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:var(--bg-deep);border-top:1px solid var(--border-strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:12px;color:var(--muted)}.mobile-bottom a.is-active{background:var(--yellow);color:#0F0E0A;font-weight:800}.footer-inner{padding-bottom:86px}.page-hero{padding-top:30px}.media-260{height:220px}.search-panel{inset:0;width:100%;height:100dvh;transform:none;background:var(--bg-deep);padding:16px;overflow:auto}.search-panel.is-open{transform:none}.search-card{min-height:calc(100dvh - 32px);border-radius:12px;box-shadow:none}.numbered-item{grid-template-columns:44px 1fr}.topline-inner{width:calc(100% - 24px)}
}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr 1fr}.btn-row{display:grid;grid-template-columns:1fr 1fr}.btn-primary,.btn-secondary{padding:0 10px}.media-180{height:160px}.media-200{height:180px}.media-260{height:200px}.card{padding:16px}.racebar-app{font-size:12px}.drawer-open{font-size:13px}}

.spacer-12{height:12px}