:root{--bg:#0F0E0A;--deep:#080706;--surface:#1A1810;--surface2:#242010;--title:#F5E6A8;--text:#E8DCB0;--muted:#B8A46A;--soft:#8A7A48;--brand:#E8B923;--bright:#F3D056;--dark-yellow:#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);--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}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,input{font:inherit}button{color:inherit}img{display:block;max-width:100%}:focus-visible{outline:2px solid var(--bright);outline-offset:3px}
.top-shell{position:fixed;left:0;right:0;top:0;z-index:70}.top-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.today-line{height:22px;background:var(--deep);border-bottom:1px solid var(--line)}.today-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;line-height:1}.text-button{border:0;background:transparent;min-height:22px;padding:0 2px;cursor:pointer;color:var(--title)}.race-bar{height:60px;background:#111008;border-bottom:1px solid var(--line-strong)}.race-bar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;min-width:44px}.brand-link img{height:28px;width:auto;max-width:190px;object-fit:contain}.brand-text{font-weight:800;font-size:16px;color:var(--title);letter-spacing:.04em}.drawer-open{justify-self:center;height:44px;min-width:92px;padding:0 18px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:9px}.drawer-open i{display:block;width:14px;height:10px;border-top:1px solid var(--bright);border-bottom:1px solid var(--bright);position:relative}.drawer-open i:after{content:"";position:absolute;left:0;right:0;top:4px;border-top:1px solid var(--bright)}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A;font-size:14px;font-weight:800}.day-sign{height:40px;background:var(--deep);border-bottom:1px solid var(--line)}.day-sign-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:10px}.day-sign a{height:30px;min-width:72px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--muted);font-size:13px}.day-sign a.is-current{background:var(--brand);color:#0F0E0A;font-weight:800}
.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:146px 0 68px;min-height:70vh}.page-hero{padding:28px 0 22px;border-bottom:1px solid var(--line)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:22px;border-top:2px solid var(--brand)}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--title);margin:10px 0 12px}h2{font-size:20px;line-height:1.4;color:var(--title);margin-bottom:12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin-bottom:8px}.lead{max-width:780px;color:var(--text);font-size:16px;margin-bottom:0}.section{padding:32px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{max-width:650px;color:var(--muted);margin:0}.section-number{font-size:12px;color:var(--brand);font-weight:800;letter-spacing:.12em}.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(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.card .small{font-size:13px;color:var(--muted)}.card-link{display:block;transition:transform .2s ease,border-color .2s ease}.card-link:hover{transform:translateY(-2px);border-color:var(--line-strong)}.media-slot{width:100%;height:180px;background:var(--deep);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:14px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.banner-slot{height:260px}.feature-slot{height:200px}.app-slot{height:340px}.icon-slot{width:64px;height:64px;margin:0 0 14px}.icon-slot img{max-width:48px;max-height:48px}.button-row{display:flex;gap:10px;flex-wrap:wrap;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:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#F3D056 0%,#E8B923 55%,#A88212 100%);color:#0F0E0A}.btn-secondary{background:#0F0E0A;color:var(--title);border:1px solid var(--line-strong)}.btn:hover{filter:brightness(1.05)}
.cover-copy{text-align:center;padding:18px 8px 2px}.cover-copy h1{font-size:24px}.cover-copy .brand-kicker{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.08em}.cover-copy p{max-width:800px;margin:0 auto;color:var(--text)}.cover-copy .button-row{justify-content:center}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:14px 0;border-top:1px solid var(--line)}.number-item:first-child{border-top:0}.number-item b{font-size:24px;line-height:1;color:var(--brand)}.number-item strong{display:block;color:var(--title);margin-bottom:4px}.number-item p{margin:0;color:var(--muted)}.shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.shelf article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;min-height:150px}.shelf article span{display:block;color:var(--brand);font-size:12px;font-weight:800;margin-bottom:8px}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;border-left:1px solid var(--line-strong)}.timeline-item{position:relative;padding:0 0 24px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-25px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px rgba(232,185,35,.12)}.timeline-item small{display:inline-flex;padding:2px 8px;border:1px solid var(--line);border-radius:999px;color:var(--brand);font-size:12px;margin-bottom:6px}.timeline-item p{margin:0;color:var(--muted)}.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.note-grid article{background:var(--surface);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;padding:18px}.quote-box{background:linear-gradient(145deg,#1A1810,#242010);border:1px solid var(--line-strong);border-radius:14px;padding:24px}.quote-box strong{display:block;color:var(--bright);font-size:18px;margin-bottom:8px}.plain-list{margin:0;padding-left:20px}.plain-list li{margin:8px 0;color:var(--text)}.definition-list{display:grid;gap:12px}.definition-list article{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.definition-list article p{margin-bottom:0;color:var(--muted)}.method-steps{counter-reset:step;display:grid;gap:14px}.method-steps article{counter-increment:step;position:relative;padding:20px 20px 20px 68px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.method-steps article:before{content:counter(step,decimal-leading-zero);position:absolute;left:20px;top:20px;color:var(--brand);font-size:22px;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.faq-item h2,.faq-item h3{margin-bottom:8px}.faq-item p{margin-bottom:0}.legal-block{padding:22px 0;border-top:1px solid var(--line)}.legal-block:first-child{border-top:0}.legal-block p:last-child{margin-bottom:0}.callout{padding:18px 20px;border:1px solid var(--line-strong);background:#151309;border-radius:12px;color:var(--cream)}
.site-footer{background:var(--deep);border-top:1px solid var(--line-strong);color:var(--text);font-size:13px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 26px;display:grid;grid-template-columns:1.2fr 2fr;gap:40px}.footer-brand-head{display:flex;gap:14px;align-items:center;margin-bottom:14px}.footer-brand-head img{height:28px;width:auto;max-width:180px;object-fit:contain}.footer-brand-head strong{display:block;font-size:16px;color:var(--title)}.footer-brand-head span{display:block;color:var(--muted);font-size:11px;letter-spacing:.1em}.footer-brand p{margin:0;color:var(--muted)}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-links h2{font-size:13px;color:var(--brand);margin-bottom:10px}.footer-links a{display:block;color:var(--text);padding:4px 0}.footer-links a:hover{color:var(--bright)}.footer-bottom{border-top:1px solid var(--line);padding:12px 16px;text-align:center;color:var(--soft)}
.race-drawer{position:fixed;z-index:100;top:0;right:0;width:400px;max-width:86vw;height:100dvh;background:var(--deep);border-left:1px solid var(--line-strong);box-shadow:-18px 0 36px rgba(0,0,0,.45);visibility:hidden;pointer-events:none;transform:translateX(102%);transition:transform .22s ease,visibility 0s linear .22s;overflow-y:auto}.race-drawer.is-visible{visibility:visible;pointer-events:auto;transition-delay:0s}.race-drawer.is-open{transform:translateX(0)}.drawer-head{position:sticky;top:0;z-index:2;background:#0c0b07;border-bottom:1px solid var(--line);min-height:72px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:28px;width:auto;max-width:140px;object-fit:contain}.drawer-brand strong{color:var(--title)}.drawer-close,.search-close{min-height:44px;padding:0 13px;border-radius:9px;border:1px solid var(--line-strong);background:transparent;cursor:pointer}.drawer-content{padding:14px 16px 32px}.drawer-content section{padding:12px 0;border-bottom:1px solid var(--line)}.drawer-content h2{font-size:13px;color:var(--brand);margin-bottom:8px}.drawer-content a{display:block;padding:10px 8px;border-radius:9px}.drawer-content a:hover{background:var(--surface)}.drawer-content b{display:block;color:var(--title);font-size:14px}.drawer-content span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.site-mask{position:fixed;z-index:80;inset:0;background:rgba(0,0,0,.68);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility 0s linear .18s}.site-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}.search-panel{position:fixed;z-index:90;left:0;right:0;top:82px;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:opacity .18s ease,transform .18s ease,visibility 0s linear .18s}.search-panel.is-visible{visibility:visible;pointer-events:auto;transition-delay:0s}.search-panel.is-open{opacity:1;transform:translateY(0)}.search-card{width:min(var(--max),calc(100% - 32px));margin:0 auto;background:#111008;border:1px solid var(--line-strong);border-radius:0 0 14px 14px;padding:22px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head span{display:block;color:var(--brand);font-size:12px}.search-head strong{display:block;color:var(--title);font-size:18px}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.search-presets a{min-height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;background:var(--surface)}.search-card p{margin:0;color:var(--muted);font-size:13px}.mobile-bottom{display:none}
@media (max-width:860px){.site-main{padding-top:102px}.day-sign{display:none}.grid-3,.grid-4,.shelf,.note-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.search-panel{top:0;bottom:0;background:var(--deep);transform:none;overflow:auto}.search-panel.is-open{opacity:1}.search-card{width:100%;min-height:100dvh;border:0;border-radius:0;padding:24px 16px}.mobile-bottom{position:fixed;z-index:60;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:var(--deep);border-top:1px solid var(--line-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-current{background:var(--brand);color:#0F0E0A;font-weight:800}.site-footer{padding-bottom:48px}}
@media (max-width:620px){.top-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.race-bar-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-link img{max-width:116px}.brand-text{font-size:14px}.drawer-open{min-width:72px;padding:0 12px}.app-link{padding:0 12px}.grid-2,.grid-3,.grid-4,.shelf,.note-grid{grid-template-columns:1fr}.section{padding:26px 0}.section-head{display:block}.section-head p{margin-top:6px}.page-hero{padding-top:20px}.banner-slot{height:260px}.feature-slot{height:200px}.app-slot{height:340px}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.number-item{grid-template-columns:38px 1fr}.number-item b{font-size:20px}.cover-copy{padding-inline:0}.cover-copy h1{font-size:23px}}
/* 可访问点击区域微调 */
.text-button,.day-sign a{position:relative}.text-button:before{content:"";position:absolute;inset:-11px -12px}.day-sign a:before{content:"";position:absolute;inset:-7px 0}.app-link,.btn{min-height:44px}.app-link{height:44px}