:root{
  --bg:#0F0E0A;--deep:#080706;--surface:#1A1810;--surface-2:#242010;
  --title:#F5E6A8;--text:#E8DCB0;--muted:#B8A46A;--soft:#8A7A48;
  --yellow:#E8B923;--yellow-bright:#F3D056;--yellow-deep:#A88212;--cream:#FFF6D8;
  --line:rgba(232,185,35,.18);--line-strong:rgba(232,185,35,.46);--shadow:0 12px 28px rgba(0,0,0,.40);
  --shell:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
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.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{border:0}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--yellow-bright);outline-offset:3px}
.skip-link{position:fixed;left:10px;top:-60px;z-index:1000;background:var(--yellow-bright);color:var(--bg);padding:8px 12px;border-radius:8px}
.skip-link:focus{top:8px}
.shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:800;box-shadow:0 2px 16px rgba(0,0,0,.25)}
.now-line{height:22px;background:var(--deep);border-bottom:1px solid var(--line)}
.now-line__inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}
.now-line__brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-button{height:22px;background:transparent;color:var(--title);cursor:pointer;padding:0 4px;font-size:12px}
.race-bar{height:60px;background:var(--surface);border-bottom:1px solid var(--line-strong)}
.race-bar__inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px}
.brand-lockup{justify-self:start;min-width:0;display:flex;align-items:center;height:44px}
.brand-logo-slot{display:flex;align-items:center;min-width:0}.brand-logo{height:28px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-text{font-weight:700;color:var(--title);font-size:16px;white-space:nowrap}
.primary-chip,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-weight:700;font-size:14px;white-space:nowrap}
.primary-chip{cursor:pointer;color:var(--bg);background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);padding:0 22px}
.app-link{justify-self:end;color:var(--title);border:1px solid var(--line-strong);background:var(--deep);padding:0 16px}
.primary-chip:hover,.app-link:hover,.btn:hover{transform:translateY(-1px)}
.day-tabs{height:40px;background:var(--deep);border-bottom:1px solid var(--line)}
.day-tabs__inner{height:40px;display:flex;justify-content:center;gap:10px;align-items:center}
.day-tab{height:30px;min-width:88px;padding:0 16px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.day-tab:hover{color:var(--cream);background:var(--surface-2)}.day-tab.is-current{background:var(--yellow);color:var(--bg);font-weight:700}
.site-main{padding-top:138px;min-height:65vh}
.page-section{padding:28px 0}.page-section.tight{padding:18px 0}.page-section.deep{background:var(--deep);border-block:1px solid var(--line)}
.eyebrow{font-size:12px;color:var(--yellow-bright);letter-spacing:.12em;text-transform:uppercase;font-weight:700}
h1,h2,h3{color:var(--title);margin:0 0 12px;line-height:1.3}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--cream);max-width:820px}.muted{color:var(--muted)}
.hero-copy{padding:12px 0 4px}.hero-copy .lead{margin-bottom:18px}.hero-actions,.button-row{display:flex;gap:10px;flex-wrap:wrap}
.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;transition:.18s ease}
.btn-primary{background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:var(--bg)}
.btn-secondary{background:var(--deep);color:var(--title);border:1px solid var(--line-strong)}
.media-slot{width:100%;background:var(--deep);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.banner-slot{height:260px}.card-image{height:180px}.wide-image{height:200px}.app-image{height:min(360px,64vw)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.two-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card:hover{border-color:var(--line-strong)}
.card .media-slot{margin-bottom:14px}.card p:last-child{margin-bottom:0}.card-kicker{color:var(--yellow-bright);font-weight:700;font-size:12px;margin-bottom:6px}
.feature-panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.feature-split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:22px;align-items:start}
.number-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.number-item{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:14px}.number-item b{display:block;color:var(--yellow-bright);font-size:20px;line-height:1}.number-item span{display:block;color:var(--text);margin-top:8px;font-size:13px}
.shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.shelf-item{min-height:150px;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column}.shelf-item b{color:var(--title);margin-bottom:8px}.shelf-item span{color:var(--muted);font-size:13px}.shelf-item a{margin-top:auto;color:var(--yellow-bright);font-weight:700;padding-top:12px}
.big-number-list{display:grid;gap:10px}.big-number-row{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}.big-number{font-size:30px;font-weight:800;color:var(--yellow-bright);line-height:1}
.timeline{position:relative;margin-left:6px}.timeline:before{content:"";position:absolute;left:12px;top:4px;bottom:4px;width:1px;background:var(--line-strong)}.timeline-item{position:relative;padding-left:42px;margin:0 0 18px}.timeline-item:before{content:"";position:absolute;left:5px;top:6px;width:15px;height:15px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 5px rgba(232,185,35,.12)}.status{display:inline-flex;border:1px solid var(--line-strong);color:var(--yellow-bright);border-radius:999px;padding:3px 9px;font-size:12px;margin-bottom:6px}
.note-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.note-paper{background:linear-gradient(180deg,#1e1a0d,#15130d);border:1px solid var(--line);border-radius:12px;padding:20px}.note-paper h3{display:flex;justify-content:space-between;gap:10px}.note-paper h3 span{color:var(--soft);font-weight:400;font-size:12px}
.list-clean{list-style:none;margin:0;padding:0;display:grid;gap:10px}.list-clean li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px}.list-clean strong{color:var(--title)}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}.section-title p{margin:0;color:var(--muted);max-width:580px}
.prose{max-width:900px}.prose h2{margin-top:24px}.prose h3{margin-top:18px}.prose p{color:var(--text)}
.callout{border-left:3px solid var(--yellow);background:var(--surface-2);padding:15px 16px;border-radius:0 10px 10px 0;color:var(--cream)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.faq-item p{margin:0;color:var(--text)}
.term-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.term{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}.term h2{font-size:18px}
.step-list{counter-reset:step;display:grid;gap:12px}.step{counter-increment:step;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 18px 18px 64px;position:relative}.step:before{content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:18px;color:var(--yellow-bright);font-weight:800;font-size:18px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap}.badge{display:inline-flex;border:1px solid var(--line);background:var(--surface-2);color:var(--muted);border-radius:999px;padding:5px 10px;font-size:12px}
.brand-statement{border:1px solid var(--line-strong);background:linear-gradient(135deg,var(--surface),#17130a);border-radius:14px;padding:24px}
.site-footer{background:var(--deep);border-top:1px solid var(--line-strong);padding:30px 0 26px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:20px}.footer-brand{display:flex;flex-direction:column;gap:4px;color:var(--muted)}.footer-brand strong{color:var(--title);font-size:16px}.footer-logo-row{min-height:30px;display:flex;align-items:center}.footer-col{display:flex;flex-direction:column;gap:7px}.footer-col h2{font-size:13px;color:var(--yellow-bright);margin:0 0 4px}.footer-col a{color:var(--text)}.footer-col a:hover{color:var(--yellow-bright)}.footer-note{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:var(--muted)}.footer-note p:last-child{margin-bottom:0}
.race-drawer{position:fixed;z-index:950;top:0;right:0;width:min(400px,86vw);height:100dvh;background:var(--deep);border-left:1px solid var(--line-strong);box-shadow:-24px 0 40px rgba(0,0,0,.45);transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility 0s linear .22s}.race-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto;transition:transform .22s ease}.drawer-head{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 16px}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand span{display:flex;flex-direction:column}.drawer-brand strong{font-size:16px;color:var(--title)}.drawer-brand small{font-size:11px;color:var(--muted)}.drawer-close,.search-close{min-height:44px;border-radius:9px;border:1px solid var(--line-strong);background:var(--surface);color:var(--title);cursor:pointer;padding:0 14px}.drawer-scroll{height:calc(100dvh - 72px);overflow:auto;padding:14px}.drawer-scroll section{padding:10px 0 16px}.drawer-scroll h2{font-size:13px;color:var(--yellow-bright);margin-bottom:8px}.drawer-scroll a{display:grid;grid-template-columns:90px 1fr;gap:8px;padding:11px 8px;border-top:1px solid var(--line);min-height:52px}.drawer-scroll a:hover{background:var(--surface)}.drawer-scroll b{color:var(--title);font-size:14px}.drawer-scroll span{color:var(--muted);font-size:12px;line-height:1.55}
.search-panel{position:fixed;z-index:940;left:0;right:0;top:82px;visibility:hidden;pointer-events:none;transform:translateY(-16px);opacity:0;transition:.18s ease}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(calc(100% - 32px),760px);margin:0 auto;background:var(--surface);border:1px solid var(--line-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;margin-bottom:10px}.search-head strong{color:var(--title)}.search-card label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}.search-card input{width:100%;min-height:44px;border-radius:10px;border:1px solid var(--line-strong);background:var(--deep);color:var(--cream);padding:0 13px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:9px;display:inline-flex;align-items:center;color:var(--title);background:var(--surface-2)}.search-note{font-size:12px;color:var(--soft);margin:12px 0 0}
.site-mask{position:fixed;inset:0;z-index:900;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.site-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.mobile-bottom{display:none}
@media (max-width:820px){
  .site-main{padding-top:98px;padding-bottom:64px}.day-tabs{display:none}.race-bar__inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{max-width:132px}.brand-text{font-size:14px}.primary-chip{padding:0 14px}.app-link{padding:0 12px}.shell{width:min(calc(100% - 32px),var(--shell))}
  .card-grid,.two-grid,.four-grid,.feature-split,.note-grid,.term-grid{grid-template-columns:1fr}.number-strip{grid-template-columns:repeat(2,1fr)}.shelf{grid-template-columns:repeat(2,1fr)}.banner-slot{height:220px}.card-image{height:180px}.wide-image{height:190px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:18px}.footer-brand{grid-column:1/-1}.site-footer{padding-bottom:78px}
  .search-panel{top:0;bottom:0;background:var(--deep);display:flex;align-items:flex-start;padding-top:72px}.search-card{width:100%;height:calc(100dvh - 72px);border-radius:0;border-inline:0;margin:0;overflow:auto}
  .mobile-bottom{position:fixed;z-index:850;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:var(--deep);border-top:1px solid var(--line-strong)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.mobile-bottom a.is-current{background:var(--yellow);color:var(--bg);font-weight:700}
}
@media (max-width:520px){.shelf{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-actions .btn,.button-row .btn{flex:1 1 130px}.big-number-row{grid-template-columns:52px 1fr}.section-title{align-items:start;flex-direction:column}.card{padding:16px}.feature-panel{padding:18px}}

.badge-row-spaced{margin-top:10px}.icon-slot{width:48px;height:48px;border-radius:12px;flex:0 0 48px}.app-icon-spaced{margin-top:10px}