:root{color-scheme:light;--ink:#152b45;--paper:#fff;--yellow:#ffe071;--muted:#526174;--line:#d8e1e9;--blue:#edf4fa;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:100%}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.65}a{color:inherit;text-underline-offset:5px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #2464cc;outline-offset:5px}header,main,footer{max-width:1200px;margin:auto;padding-inline:40px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:24px;border-bottom:1px solid var(--line)}.brand{font-size:1.6rem;font-weight:850;letter-spacing:-1px;text-decoration:none;display:flex;align-items:center;gap:10px}.brand img{border-radius:12px}nav{display:flex;gap:24px;flex-wrap:wrap;align-items:center;font-size:.95rem;font-weight:600}nav a{text-decoration:none}nav a[aria-current=page]{text-decoration:underline}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:9}.skip:focus{top:12px}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:52px;align-items:center;padding-block:64px 76px}.eyebrow{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;font-weight:750;color:var(--muted)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.5rem,5.1vw,4.5rem);letter-spacing:-.05em;line-height:1.06;max-width:12ch;margin-block:20px 28px}html[lang=zh-Hans] h1{max-width:9em;line-height:1.25;letter-spacing:-.025em}.lead{font-size:1.15rem;color:var(--muted);max-width:36em}.actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-block:28px 16px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 23px;border-radius:100px;background:var(--ink);color:#fff;text-decoration:none;font-weight:700}.button:hover{background:#294d75}.small{font-size:.88rem;color:var(--muted)}.hero-art{position:relative;padding:18px 18px 0;background:var(--yellow);border-radius:160px 160px 30px 30px;overflow:hidden}.hero-art img{display:block;width:100%;height:480px;object-fit:cover;border-radius:145px 145px 0 0}.caption{display:block;text-align:center;padding:14px;font-size:.9rem;font-weight:650}.section{padding-block:56px;border-top:1px solid var(--line)}h2{font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.2;letter-spacing:-.035em}h3{font-size:1.25rem;line-height:1.35}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:36px}.number{display:block;font-size:.9rem;font-weight:700;color:var(--muted);margin-bottom:20px}.three p{color:var(--muted)}.privacy-callout{background:var(--ink);color:white;border-radius:24px;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:56px}.privacy-callout p{color:#dce6f0}.privacy-callout a{color:var(--yellow)}.page-head{padding-block:60px 30px;max-width:800px}.page-head h1{max-width:100%;font-size:clamp(2.2rem,4vw,3.5rem)}.article{max-width:800px;padding-bottom:60px}.article section{padding-block:20px;border-top:1px solid var(--line)}.article h2{font-size:1.5rem}.notice{border-left:4px solid #d09d00;background:#fff7d7;padding:20px;margin-bottom:32px}.notice p:last-child{margin-bottom:0}details{border-top:1px solid var(--line);padding-block:20px}summary{font-size:1.12rem;font-weight:700;cursor:pointer;padding-right:20px}details p{margin:16px 0 0;color:var(--muted)}.contact{background:var(--blue);padding:28px;border-radius:20px;margin-block:32px}.contact a{overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding-block:28px;display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:.9rem;color:var(--muted)}footer div{display:flex;gap:22px;flex-wrap:wrap}ul{padding-left:24px}li{margin-bottom:10px}@media(max-width:760px){header,main,footer{padding-inline:22px}header{align-items:flex-start;gap:16px;flex-wrap:wrap}nav{gap:18px}.hero{grid-template-columns:1fr;gap:30px;padding-block:36px}.hero h1{max-width:14ch}.hero-art{max-width:480px;width:100%;margin:auto}.hero-art img{height:370px}.three{grid-template-columns:1fr;gap:18px}.number{margin-bottom:8px}.section{padding-block:36px}.privacy-callout{grid-template-columns:1fr;gap:10px;padding:28px}.page-head{padding-top:36px}footer{align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}