: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;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,a{font:inherit}
button{border:0}
img{display:block;max-width:100%;height:auto}
.skip-link{position:fixed;left:12px;top:-80px;z-index:300;background:var(--yellow-bright);color:#0F0E0A;padding:10px 14px;border-radius:8px}
.skip-link:focus{top:10px}
.site-header{position:fixed;inset:0 0 auto;z-index:120;background:var(--bg-deep)}
.now-line{height:22px;background:var(--bg-deep);color:var(--muted);font-size:12px}
.top-inner,.race-inner,.day-tabs-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-search-button{height:22px;min-width:48px;background:transparent;color:var(--title);cursor:pointer;padding:0 8px}
.top-search-button:hover,.top-search-button:focus-visible{color:var(--yellow-bright);outline:none}
.race-bar{height:60px;border-bottom:1px solid var(--border-strong);background:var(--panel)}
.race-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center;min-width:0}
.brand-logo{height:28px;width:auto;max-width:220px;object-fit:contain;object-position:left center}
.brand-fallback{font-size:16px;font-weight:800;color:var(--title);white-space:nowrap}
.box-toggle{justify-self:center;min-height:44px;min-width:88px;padding:0 18px;border:1px solid var(--border-strong);border-radius:10px;background:var(--bg-deep);color:var(--title);cursor:pointer}
.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:10px;background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A;font-weight:800;white-space:nowrap}
.box-toggle:hover,.box-toggle:focus-visible{border-color:var(--yellow-bright);color:var(--yellow-bright);outline:none}
.app-link:hover,.app-link:focus-visible{filter:brightness(1.06);outline:2px solid var(--cream);outline-offset:2px}
.day-tabs{height:40px;background:var(--bg-deep);border-bottom:1px solid var(--border)}
.day-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}
.day-tab{min-height:32px;display:flex;align-items:center;padding:0 18px;border-radius:8px;color:var(--muted);font-size:13px}
.day-tab:hover,.day-tab:focus-visible{color:var(--title);outline:1px solid var(--border-strong)}
.day-tab.is-current{background:var(--yellow);color:#0F0E0A;font-weight:800}
.site-main{padding-top:122px;min-height:70vh}
.page-shell{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 64px}
.page-hero{padding:24px 0 26px;border-bottom:1px solid var(--border)}
.kicker{margin:0 0 8px;color:var(--yellow-bright);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
h1{margin:0;color:var(--title);font-size:24px;line-height:1.3}
h2{margin:0 0 14px;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 14px}
.lead{max-width:840px;margin-top:14px;color:var(--text);font-size:16px}
.section{padding:34px 0;border-bottom:1px solid var(--border)}
.section:last-child{border-bottom:0}
.muted{color:var(--muted)}
.soft{color:var(--soft)}
.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.primary-button,.secondary-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-size:14px;font-weight:800;white-space:nowrap}
.primary-button{background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A}
.secondary-button{background:var(--bg-deep);border:1px solid var(--border-strong);color:var(--title)}
.primary-button:hover,.primary-button:focus-visible,.secondary-button:hover,.secondary-button:focus-visible{outline:2px solid var(--cream);outline-offset:2px}
.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;box-shadow:var(--shadow)}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot.banner{height:260px}
.media-slot.card-image{height:180px}
.media-slot.feature-image{height:200px}
.media-slot.app-image{height:min(360px,60vw)}
.brand-hero-copy{text-align:center;padding:22px 0 8px}
.brand-hero-copy h1{margin-bottom:8px}
.brand-hero-copy p{max-width:820px;margin:0 auto 12px}
.brand-hero-copy .button-row{justify-content:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:var(--shadow)}
.card .media-slot{margin-bottom:16px}
.card p:last-child{margin-bottom:0}
.number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.number-item{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:16px;min-height:120px}
.number-item .num,.big-number{display:block;color:var(--yellow-bright);font-weight:800;font-size:20px;margin-bottom:8px}
.big-number{font-size:34px;line-height:1}
.shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.shelf-item{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:12px}
.shelf-index{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:10px;background:var(--yellow);color:#0F0E0A;font-weight:900}
.timeline{position:relative;margin-left:8px;padding-left:28px}
.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--border-strong)}
.timeline-item{position:relative;padding:0 0 26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-27px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 4px rgba(232,185,35,.12)}
.status{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid var(--border-strong);border-radius:999px;color:var(--yellow-bright);font-size:12px;margin-bottom:8px}
.note-list,.plain-list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.note-list li,.plain-list li{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.method-steps{counter-reset:step;display:grid;gap:14px}
.method-step{position:relative;padding:18px 18px 18px 64px;background:var(--panel);border:1px solid var(--border);border-radius:12px}
.method-step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:16px;top:15px;color:#0F0E0A;background:var(--yellow);width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:900}
.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{margin-bottom:8px}
.callout{padding:18px;border-left:3px solid var(--yellow);background:var(--panel-2);border-radius:0 12px 12px 0}
.article-columns{columns:2;column-gap:28px}
.article-columns p{break-inside:avoid}
.policy-section{padding:22px 0;border-bottom:1px solid var(--border)}
.policy-section:last-child{border-bottom:0}
.site-footer{background:var(--bg-deep);border-top:1px solid var(--border-strong);color:var(--text);font-size:13px}
.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 26px}
.footer-brand-block{display:grid;grid-template-columns:1fr 1.4fr;gap:28px;align-items:start;padding-bottom:24px;border-bottom:1px solid var(--border)}
.footer-brand-row{display:flex;align-items:center;gap:12px}.footer-logo{height:28px;width:auto;object-fit:contain}
.footer-brand-row strong{display:block;color:var(--title);font-size:16px}.footer-brand-row span{display:block;color:var(--muted)}
.footer-links-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}
.footer-links-grid section{display:grid;align-content:start;gap:6px}.footer-links-grid h2{font-size:13px;margin:0 0 4px;color:var(--yellow-bright)}
.footer-links-grid a{min-height:32px;display:flex;align-items:center;color:var(--muted)}.footer-links-grid a:hover,.footer-links-grid a:focus-visible{color:var(--title);outline:none;text-decoration:underline}
.footer-copy{padding-top:18px;border-top:1px solid var(--border);color:var(--soft)}
.page-mask{position:fixed;inset:0;z-index:170;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.page-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.race-box{position:fixed;z-index:190;top:0;right:0;width:400px;max-width:86vw;height:100dvh;background:var(--bg-deep);border-left:1px solid var(--border-strong);transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s ease;box-shadow:var(--shadow)}
.race-box.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.race-box-head{height:66px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;border-bottom:1px solid var(--border)}
.race-box-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.race-box-logo{height:28px;width:auto;object-fit:contain}
.close-button{min-width:64px;min-height:44px;border:1px solid var(--border-strong);border-radius:9px;background:var(--panel);color:var(--title);cursor:pointer}
.close-button:hover,.close-button:focus-visible{border-color:var(--yellow-bright);outline:none}
.race-box-scroll{height:calc(100dvh - 66px);overflow-y:auto;padding:18px 16px 30px}
.box-group{margin-bottom:22px}.box-group h2{font-size:14px;color:var(--yellow-bright);margin:0 0 8px}
.box-group a{display:grid;gap:2px;padding:12px 10px;border-bottom:1px solid var(--border);border-radius:8px}.box-group a:hover,.box-group a:focus-visible{background:var(--panel);outline:none}.box-group a strong{color:var(--title)}.box-group a span{font-size:12px;color:var(--muted)}
.search-layer{position:fixed;left:0;right:0;top:82px;z-index:185;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s ease}
.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}
.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--panel);border:1px solid var(--border-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.search-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.search-head strong{color:var(--title);font-size:18px}.search-head p{margin:4px 0 0;color:var(--muted)}
.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;background:var(--bg-deep);color:var(--title)}.search-presets a:hover,.search-presets a:focus-visible{border-color:var(--yellow-bright);outline:none}
.mobile-bottom{display:none}
@media (max-width:820px){
    .day-tabs{display:none}.site-main{padding-top:82px;padding-bottom:64px}.race-inner{grid-template-columns:minmax(0,1fr) auto 1fr;gap:8px}.brand-logo{max-width:130px}.brand-fallback{font-size:14px}.box-toggle{min-width:72px;padding:0 12px}.app-link{padding:0 12px}.grid-3,.grid-2,.number-grid,.shelf{grid-template-columns:1fr}.article-columns{columns:1}.footer-brand-block{grid-template-columns:1fr}.footer-links-grid{grid-template-columns:repeat(2,1fr)}
    .mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:150;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:var(--bg-deep);border-top:1px solid var(--border-strong)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.mobile-bottom a.is-current{background:var(--yellow);color:#0F0E0A;font-weight:900}
    .search-layer{top:0;bottom:0;background:var(--bg-deep);transform:none}.search-layer.is-open{transform:none}.search-card{width:100%;min-height:100dvh;border:0;border-radius:0;padding:22px 16px}.search-presets{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
    .top-inner,.race-inner,.page-shell,.footer-inner{width:calc(100% - 32px)}.top-brand{max-width:72vw}.race-bar,.race-inner{height:60px}.brand-logo{max-width:110px}.brand-fallback{font-size:13px}.box-toggle{min-width:62px}.app-link{font-size:13px;padding:0 10px}.page-shell{padding-top:26px}.media-slot.banner{height:260px}.media-slot.card-image{height:180px}.media-slot.feature-image{height:200px}.footer-links-grid{grid-template-columns:1fr 1fr;gap:18px}.race-box{width:86vw}.shelf-item{grid-template-columns:54px 1fr}.shelf-index{width:48px;height:48px}
}

.shelf-spaced{margin-top:18px}