:root{color:#17191d;background:#f6f2ea;font-family:Inter,Segoe UI,Noto Sans SC,Microsoft YaHei,Arial,sans-serif;--red: #c8172d;--red-dark: #8f1020;--teal: #007a78;--teal-dark: #075654;--gold: #b87927;--ink: #16191f;--muted: #626a74;--line: #e2dbcf;--paper: #fffdf8;--soft: #f6f2ea}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;min-width:320px;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--gold);outline-offset:4px}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}.site-shell{background:var(--soft);min-height:100vh}.skip-link{background:var(--ink);border-radius:0 0 8px;color:#fff;font-weight:900;left:0;padding:12px 18px;position:fixed;top:0;transform:translateY(-120%);transition:transform .16s ease;z-index:100}.skip-link:focus{transform:translateY(0)}.topbar{align-items:center;background:#fffdf8f0;border-bottom:1px solid rgba(22,25,31,.08);display:grid;gap:26px;grid-template-columns:minmax(300px,.9fr) minmax(520px,1.4fr) auto;min-height:82px;padding:14px 44px;position:sticky;top:0;z-index:20}.topbar-actions{align-items:center;display:flex;gap:14px;justify-content:flex-end}.language-switch{background:#16191f0f;border:1px solid rgba(22,25,31,.1);border-radius:8px;display:flex;gap:3px;padding:4px}.language-switch button{background:transparent;border:0;border-radius:6px;color:var(--muted);cursor:pointer;font:inherit;font-size:13px;font-weight:900;min-height:38px;padding:0 12px}.language-switch button.active{background:var(--ink);color:#fff}.language-switch button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.brand{align-items:center;display:flex;gap:14px;min-width:0}.brand-mark{align-items:center;background:var(--ink);border:3px solid var(--red);border-radius:50%;color:#fff;display:flex;flex:0 0 50px;font-size:13px;font-weight:900;height:50px;justify-content:center;letter-spacing:0;width:50px}.brand strong,.brand small,.nav-links small,.pillar-card span,.day-card span,.day-card small,.audience-card span{display:block}.brand strong{font-size:17px;line-height:1.2}.brand small{color:var(--muted);font-size:12px;font-weight:700;line-height:1.45;margin-top:3px}.nav-links{align-items:center;display:flex;gap:4px;justify-content:flex-end}.nav-links a{border-radius:6px;min-width:82px;padding:12px 10px;text-align:center}.nav-links a:hover{background:#c8172d14}.nav-links a[aria-current=page]{background:#007a781a;color:var(--teal-dark)}.nav-links span{color:var(--ink);font-size:13px;font-weight:900}.nav-links small{color:#777d85;font-size:11px;margin-top:3px}.nav-cta,.primary-action,.secondary-action{align-items:center;border-radius:7px;display:inline-flex;font-weight:900;justify-content:center;min-height:50px;padding:0 22px;white-space:nowrap}.nav-cta:focus-visible,.primary-action:focus-visible,.secondary-action:focus-visible{outline-color:var(--teal)}.nav-cta,.primary-action{background:var(--red);color:#fff;box-shadow:0 16px 32px #c8172d33}.secondary-action{background:#ffffffb8;border:1px solid rgba(200,23,45,.48);color:var(--red-dark)}.secondary-action.dark{background:#ffffff14;border-color:#ffffff59;color:#fff}.hero{background:linear-gradient(90deg,#16191ff5,#16191fd4 47%,#16191f47),url(/assets/velodrome-wide.jpg) center / cover no-repeat;color:#fff;display:grid;gap:44px;grid-template-columns:minmax(420px,.95fr) minmax(420px,.72fr);min-height:calc(100vh - 82px);padding:74px 68px 46px}.hero-copy{align-self:center;max-width:820px}.eyebrow{color:var(--red);font-size:13px;font-weight:950;letter-spacing:0;margin-bottom:16px;text-transform:uppercase}.hero .eyebrow,.closing-section .eyebrow{color:#ff5063}h1{font-size:clamp(44px,5.7vw,82px);letter-spacing:0;line-height:.98;margin-bottom:20px;max-width:900px}.hero-cn{color:#ffffffe6;font-size:clamp(23px,2.3vw,34px);font-weight:800;line-height:1.25;margin-bottom:24px}.lang-zh h1{line-height:1.08}.lang-zh .hero-cn{font-size:clamp(18px,1.5vw,24px);font-weight:700}.intro{color:#ffffffc7;font-size:18px;line-height:1.75;margin-bottom:30px;max-width:720px}.hero-actions,.closing-actions{display:flex;flex-wrap:wrap;gap:14px}.hero-panel{align-self:end;background:#fffdf8f0;border:1px solid rgba(255,255,255,.35);border-radius:8px;color:var(--ink);overflow:hidden;width:100%}.hero-panel img{aspect-ratio:1.28;object-fit:cover;width:100%}.hero-panel-copy{padding:24px}.hero-panel-copy span{color:var(--teal);display:block;font-size:13px;font-weight:950;margin-bottom:10px;text-transform:uppercase}.hero-panel-copy strong{display:block;font-size:22px;line-height:1.35}.fact-strip{background:var(--paper);border-bottom:1px solid var(--line);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:0 68px}.fact-strip article{border-right:1px solid var(--line);min-height:156px;padding:28px 26px}.fact-strip article:first-child{border-left:1px solid var(--line)}.fact-strip span{color:var(--gold);display:block;font-size:12px;font-weight:950;margin-bottom:12px;text-transform:uppercase}.fact-strip strong{color:var(--ink);display:block;font-size:24px;line-height:1.2;margin-bottom:10px}.fact-strip p{color:var(--muted);font-size:14px;line-height:1.55;margin-bottom:0}.section,.image-band,.closing-section{padding:70px 68px}.split-section{display:grid;gap:54px;grid-template-columns:minmax(320px,.78fr) minmax(520px,1.22fr)}.section-heading{max-width:620px}.wide-heading{max-width:860px}.sticky-heading{align-self:start;position:sticky;top:112px}.section-heading h2,.image-band h2,.safety-copy h2,.closing-section h2{color:var(--ink);font-size:clamp(32px,3.5vw,52px);letter-spacing:0;line-height:1.08;margin-bottom:18px}.section-heading p:not(.eyebrow),.image-band p,.safety-copy p,.closing-section p{color:var(--muted);font-size:16px;line-height:1.75}.pillar-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.pillar-card,.day-card,.audience-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:26px}.pillar-card span{color:var(--red);font-size:14px;font-weight:950;margin-bottom:18px;text-transform:uppercase}.pillar-card h3,.audience-card h3{color:var(--ink);font-size:24px;line-height:1.2;margin-bottom:12px}.pillar-card p,.day-card p,.audience-card p{color:#555e68;line-height:1.72;margin-bottom:0}.image-band{align-items:center;background:#fff;border-bottom:1px solid var(--line);border-top:1px solid var(--line);display:grid;gap:48px;grid-template-columns:minmax(420px,1.06fr) minmax(360px,.94fr)}.image-band img{aspect-ratio:1.55;border-radius:8px;object-fit:cover;width:100%}.timeline{display:grid;gap:14px;grid-template-columns:repeat(7,minmax(132px,1fr));margin-top:34px}.day-card{min-height:244px;padding:20px}.day-card div{align-items:baseline;display:flex;justify-content:space-between;margin-bottom:22px}.day-card span{color:var(--red);font-size:20px;font-weight:950}.day-card small{color:var(--gold);font-size:13px;font-weight:900}.day-card h3{color:var(--ink);font-size:20px;line-height:1.25;margin-bottom:14px}.day-card p{font-size:14px}.audience-section{background:#fff}.upgrade-section{background:linear-gradient(135deg,#075654f5,#16191ff2),url(/assets/track-riders.jpg) center / cover no-repeat;color:#fff}.upgrade-hero{align-items:end;display:grid;gap:36px;grid-template-columns:minmax(420px,1fr) minmax(260px,.34fr)}.upgrade-hero h2{color:#fff;font-size:clamp(32px,3.7vw,54px);line-height:1.08;margin-bottom:18px;max-width:900px}.upgrade-hero p{color:#ffffffc2;font-size:17px;line-height:1.75;margin-bottom:0;max-width:820px}.upgrade-badge{background:#fffdf81a;border:1px solid rgba(255,255,255,.24);border-radius:8px;padding:26px}.upgrade-badge strong{color:#fff;display:block;font-size:34px;line-height:1;margin-bottom:12px}.upgrade-badge span{color:#ffffffc2;line-height:1.55}.upgrade-values{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:34px}.upgrade-values article,.upgrade-day{background:#fffdf8f0;border:1px solid rgba(255,255,255,.26);border-radius:8px;color:var(--ink);padding:22px}.upgrade-values span{color:var(--red);display:block;font-size:12px;font-weight:950;margin-bottom:10px;text-transform:uppercase}.upgrade-values strong{display:block;font-size:18px;line-height:1.35}.upgrade-timeline{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:18px}.upgrade-day{min-height:250px}.upgrade-day div{align-items:flex-start;display:flex;gap:14px;justify-content:space-between;margin-bottom:22px}.upgrade-day span{color:var(--teal);display:block;font-size:22px;font-weight:950}.upgrade-day small{color:var(--gold);display:block;font-size:13px;font-weight:900;line-height:1.35;text-align:right}.upgrade-day h3{color:var(--ink);font-size:21px;line-height:1.25;margin-bottom:14px}.upgrade-day p,.upgrade-note{color:#555e68;line-height:1.72;margin-bottom:0}.upgrade-note{background:#fffdf81f;border:1px solid rgba(255,255,255,.22);border-radius:8px;color:#fffc;margin-top:18px;padding:18px 20px}.audience-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:30px}.audience-card{min-height:232px}.audience-card span{color:var(--teal);font-size:13px;font-weight:950;margin-bottom:22px;text-transform:uppercase}.audience-card ul{display:grid;gap:9px;list-style:none;margin:20px 0 24px;padding:0}.audience-card li{color:#343a42;font-size:14px;font-weight:750;line-height:1.45;padding-left:18px;position:relative}.audience-card li:before{background:var(--gold);border-radius:50%;content:"";height:7px;left:0;position:absolute;top:8px;width:7px}.audience-card a{color:var(--red-dark);display:inline-flex;font-size:14px;font-weight:950}.trust-section{background:var(--soft)}.trust-grid{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));margin:32px 0 20px}.trust-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;min-height:204px;padding:24px}.trust-card h3{color:var(--ink);font-size:20px;line-height:1.25;margin-bottom:14px}.trust-card p{color:#555e68;line-height:1.7;margin-bottom:0}.safety-section{align-items:start;display:grid;gap:52px;grid-template-columns:minmax(360px,.82fr) minmax(440px,1.18fr)}.safety-list{background:var(--paper);border:1px solid var(--line);border-radius:8px;list-style:none;margin:0;padding:10px}.trust-section .safety-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.safety-list li{border-bottom:1px solid var(--line);color:#343a42;font-size:17px;font-weight:750;line-height:1.45;padding:20px 22px 20px 48px;position:relative}.safety-list li:last-child{border-bottom:0}.trust-section .safety-list li:nth-last-child(2){border-bottom:0}.safety-list li:before{background:var(--teal);border-radius:50%;content:"";height:10px;left:22px;position:absolute;top:27px;width:10px}.faq-section{background:#fff}.faq-list{display:grid;gap:14px;margin-top:30px}.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:8px;display:grid;gap:24px;grid-template-columns:minmax(260px,.42fr) minmax(360px,1fr);padding:24px 28px}.faq-item h3{color:var(--ink);font-size:21px;line-height:1.3;margin-bottom:0}.faq-item p{color:#555e68;line-height:1.72;margin-bottom:0}.closing-section{align-items:center;background:linear-gradient(90deg,#16191ffa,#16191fe6),url(/assets/track-bike.jpg) center / cover no-repeat;color:#fff;display:grid;gap:48px;grid-template-columns:minmax(420px,.95fr) minmax(360px,.82fr)}.closing-section h2{color:#fff}.closing-section p{color:#ffffffbf;max-width:700px}.closing-section img{aspect-ratio:1.2;border-radius:8px;object-fit:cover;width:100%}@media(max-width:1220px){.topbar{grid-template-columns:minmax(280px,1fr) auto}.nav-links{display:none}.topbar-actions{justify-content:flex-end}.hero,.split-section,.image-band,.safety-section,.closing-section{grid-template-columns:1fr}.hero{min-height:auto}.hero-panel{max-width:620px}.sticky-heading{position:static}.fact-strip,.timeline,.upgrade-values,.upgrade-timeline,.trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.upgrade-hero{grid-template-columns:1fr}}@media(max-width:760px){.topbar{gap:16px;grid-template-columns:1fr;padding:14px 18px}.brand-mark,.nav-cta{display:none}.topbar-actions{justify-content:flex-start}.hero,.section,.image-band,.closing-section{padding:42px 20px}.hero{background:linear-gradient(180deg,#16191ff5,#16191fd6),url(/assets/velodrome-wide.jpg) center / cover no-repeat}h1{font-size:42px;line-height:1.04}.hero-cn{font-size:23px}.intro{font-size:16px}.hero-actions,.closing-actions{flex-direction:column}.primary-action,.secondary-action{width:100%}.fact-strip,.pillar-grid,.timeline,.upgrade-values,.upgrade-timeline,.audience-grid,.trust-grid,.trust-section .safety-list,.faq-item{grid-template-columns:1fr}.fact-strip{padding:0 20px}.fact-strip article,.fact-strip article:first-child{border-left:0;border-right:0;border-top:1px solid var(--line)}.fact-strip article:first-child{border-top:0}.day-card,.audience-card,.trust-card{min-height:auto}.trust-section .safety-list li:nth-last-child(2){border-bottom:1px solid var(--line)}}