:root{--bg:#F4FAF9;--deep:#D7ECE9;--surface:#FBFEFD;--soft:#C8E4E0;--title:#123238;--text:#1E3E44;--muted:#4A6B70;--note:#6A888C;--brand:#0E4A52;--brand2:#1A6B75;--mint:#7EC8C0;--border:rgba(26,107,117,.22);--shadow:0 14px 36px rgba(18,50,56,.10);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}.site-header{position:fixed;inset:0 0 auto;z-index:60}.tide{height:16px;background:var(--brand);color:#F4FAF9;font-size:11px;line-height:16px}.bar-inner{width:min(var(--max),calc(100% - 32px));height:100%;margin:auto;display:flex;align-items:center}.tide .bar-inner{justify-content:space-between}.mini-action{height:16px;min-width:44px;padding:0 6px;border:0;background:transparent;color:#F4FAF9;font-size:11px}.stage-bar{height:56px;background:#F4FAF9;border-bottom:1px solid var(--border);box-shadow:0 3px 12px rgba(18,50,56,.04)}.stage-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:12px}.brand{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo{max-height:34px;width:auto;object-fit:contain}.brand-text{font-weight:800;font-size:22px;color:var(--brand)}.center-action,.app-link,.btn{min-height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.center-action{border:1px solid var(--brand2);background:var(--surface);color:var(--brand);padding:0 22px}.app-link{justify-self:end;background:linear-gradient(135deg,#1A6B75 0%,#0E4A52 100%);color:#F4FAF9;padding:0 20px}.race-tabs{height:38px;background:var(--soft);border-bottom:1px solid var(--border)}.tab-inner{gap:5px;overflow-x:auto;scrollbar-width:none}.tab-inner::-webkit-scrollbar{display:none}.race-tabs a{height:30px;display:flex;align-items:center;padding:0 14px;border-radius:8px;white-space:nowrap;font-size:14px;color:var(--brand)}.race-tabs a.active{background:var(--brand);color:#F4FAF9}.site-main{padding-top:110px;min-height:65vh}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.section{padding:54px 0}.section.soft{background:var(--deep)}.section.white{background:var(--surface)}.hero{padding:34px 0 50px}.hero-media{height:min(300px,42vw);min-height:210px;border-radius:16px;background:var(--soft);display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--border)}.hero-media img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot{min-height:200px;width:100%;border-radius:14px;background:linear-gradient(135deg,var(--soft),var(--deep));border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;letter-spacing:.08em}.hero-media.media-slot{height:min(300px,42vw)}.hero-copy{padding-top:24px;max-width:880px}.eyebrow{display:inline-block;color:var(--brand2);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:8px}.hero h1,.page-intro h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:0 0 14px;color:var(--title)}h2{font-size:clamp(22px,3vw,28px);line-height:1.35;color:var(--title);margin:0 0 16px}h3{font-size:18px;line-height:1.4;color:var(--title);margin:0 0 9px}p{margin:0 0 14px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{background:linear-gradient(135deg,#1A6B75 0%,#0E4A52 100%);color:#F4FAF9;padding:0 20px;border:1px solid transparent}.btn.secondary{background:var(--surface);color:var(--brand);border-color:var(--brand2)}.text-link{color:var(--brand2);font-weight:800;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.progress-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.progress-card,.card,.status-card,.faq-list details,.service-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.progress-card{padding:18px;min-height:150px;position:relative}.progress-card .n{display:block;color:var(--brand2);font-weight:900;font-size:12px;margin-bottom:24px}.progress-card p{font-size:14px;color:var(--muted)}.feature-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:28px;align-items:center}.feature-split.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}.feature-split>div>.media-slot,.feature-split>div>img{height:240px;object-fit:contain;object-position:center;background:var(--surface)}.number-list{display:grid;gap:9px;margin-top:20px}.number-item{display:grid;grid-template-columns:50px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--border)}.num{font-size:24px;font-weight:900;color:var(--brand2)}.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{padding:18px}.card img,.card>.media-slot{height:200px;object-fit:contain;object-position:center;margin:-4px 0 16px;background:var(--bg)}.card p{color:var(--muted)}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status-card{padding:18px;border-top:4px solid var(--mint)}.status-card strong{display:block;color:var(--brand);font-size:18px;margin-bottom:8px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p{max-width:580px;color:var(--muted)}.prose{max-width:980px}.prose p{margin-bottom:16px}.page-intro{padding:46px 0 20px}.page-intro .lead{max-width:930px;color:var(--muted);font-size:17px}.page-media{margin-top:22px;height:240px}.page-media img{width:100%;height:100%;object-fit:contain;object-position:center;background:var(--surface)}.page-media.media-slot{height:240px}.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.topic-card{padding:20px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.topic-card p{color:var(--muted)}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;padding:18px 18px 18px 76px;position:relative;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.step:before{content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:14px;color:var(--brand2);font-size:24px;font-weight:900}.notice{padding:22px;border-left:5px solid var(--brand2);background:var(--deep);border-radius:0 14px 14px 0}.faq-list{display:grid;gap:12px}.faq-list details{padding:0 18px}.faq-list summary{min-height:54px;display:flex;align-items:center;font-weight:800;color:var(--title);cursor:pointer}.faq-list details p{padding:0 0 18px;color:var(--muted)}.site-footer{background:var(--brand);color:#D7ECE9;padding:50px 0 88px}.footer-wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.footer-brand{display:grid;grid-template-columns:1fr 1.5fr;gap:26px;padding-bottom:30px;border-bottom:1px solid rgba(215,236,233,.2)}.footer-brand-link{display:flex;align-items:center;gap:12px}.footer-logo{max-height:32px;width:auto;object-fit:contain}.footer-brand strong{display:block;color:#F4FAF9;font-size:22px}.footer-brand small{display:block;color:#AFCFCB;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0}.footer-grid h2{font-size:15px;color:#F4FAF9;margin-bottom:12px}.footer-grid a{display:block;color:#D7ECE9;margin:7px 0}.footer-notice{padding:18px 0;border-top:1px solid rgba(215,236,233,.2);border-bottom:1px solid rgba(215,236,233,.2);color:#C8E4E0}.footer-bottom{padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#AFCFCB;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(8,32,35,.42);z-index:70;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.show{visibility:visible;opacity:1;pointer-events:auto}.race-book{position:fixed;left:0;right:0;top:110px;z-index:80;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 18px 42px rgba(18,50,56,.18);max-height:60vh;overflow:auto;visibility:hidden;opacity:0;transform:translateY(-14px);pointer-events:none;transition:.22s}.race-book.show{visibility:visible;opacity:1;transform:none;pointer-events:auto}.book-wrap{width:min(var(--max),calc(100% - 32px));margin:auto;padding:18px 0 24px}.panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border)}.panel-brand{display:flex;align-items:center;gap:10px;color:var(--brand)}.panel-brand img{max-height:30px;width:auto;object-fit:contain}.panel-close{min-height:44px;padding:0 16px;border:1px solid var(--brand2);background:var(--surface);color:var(--brand);border-radius:10px}.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:16px}.book-grid h2{font-size:14px;color:var(--brand2);margin-bottom:8px}.book-grid a{display:block;padding:9px 0;border-top:1px solid var(--border)}.book-grid b{display:block;color:var(--title);font-size:14px}.book-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:3px}.search-layer{position:fixed;left:0;right:0;top:72px;z-index:85;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.show{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:auto;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 14px 14px;padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-card label{display:block;color:var(--muted);margin-bottom:8px}.search-card input{width:100%;height:48px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);padding:0 14px}.search-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.search-links a{min-height:40px;display:flex;align-items:center;padding:0 13px;border-radius:9px;border:1px solid var(--border);color:var(--brand);background:var(--deep)}.mobile-dock{display:none}.app-combo{display:grid;grid-template-columns:minmax(260px,.8fr) 1.2fr;gap:30px;align-items:center}.app-combo .media-slot,.app-combo>div>img{height:400px;object-fit:contain;object-position:center}.icon-small{width:64px;height:64px;object-fit:contain;border-radius:12px;margin-bottom:14px}.brand-callout{padding:30px;background:var(--brand);color:#F4FAF9;border-radius:16px}.brand-callout h2{color:#F4FAF9}.brand-callout p{color:#D7ECE9}@media(max-width:900px){.progress-grid{grid-template-columns:repeat(2,1fr)}.four-grid,.status-grid{grid-template-columns:repeat(2,1fr)}.feature-split,.feature-split.reverse,.app-combo{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.site-main{padding-top:72px;padding-bottom:58px}.race-tabs{display:none}.bar-inner{width:calc(100% - 32px)}.stage-inner{grid-template-columns:minmax(0,1fr) auto auto}.brand-logo{max-width:130px}.brand-text{font-size:20px}.center-action{padding:0 13px}.app-link{padding:0 13px}.hero{padding-top:22px}.hero-media{height:240px}.section{padding:42px 0}.progress-grid,.four-grid,.status-grid,.topic-grid{grid-template-columns:1fr}.feature-split>div>.media-slot,.feature-split>div>img,.page-media,.page-media.media-slot{height:210px}.card img,.card>.media-slot{height:190px}.section-head{display:block}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.race-book{top:72px;max-height:calc(100vh - 72px)}.book-wrap{width:calc(100% - 32px)}.search-layer{top:16px;bottom:0;background:var(--bg);overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;box-shadow:none;padding:24px 16px}.mobile-dock{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:65;background:var(--surface);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-dock a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--brand)}.mobile-dock a.active{background:var(--brand);color:#F4FAF9}.site-footer{padding-bottom:80px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}