*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-wrap:anywhere}a{color:inherit;text-underline-offset:5px}a:focus-visible,summary:focus-visible{outline:3px solid currentColor;outline-offset:5px}h1,h2,h3,p{margin:0 0 16px}h1{font-size:clamp(1.8rem,4vw,3.3rem);line-height:1.25;letter-spacing:-.035em}h2{font-size:1.5rem;line-height:1.4}h3{font-size:1.12rem}p{max-width:70ch}main,header,footer,section,article,aside,nav,div{min-width:0}header,main,footer{width:min(1120px,calc(100% - 36px));margin-inline:auto}header{padding:24px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}nav{display:flex;flex-wrap:wrap;gap:12px 22px}nav a{font-size:.9rem}section{scroll-margin-top:24px}.eyebrow{font-size:.77rem;font-weight:750;letter-spacing:.15em;text-transform:uppercase}.lead{font-size:1.12rem}.tag{display:inline-block;padding:4px 10px;border:1px solid currentColor;border-radius:30px;font-size:.8rem}.notice{padding:20px;border:1px solid currentColor;margin:24px 0}.muted{opacity:.75}footer{padding:30px 0 40px;font-size:.85rem}ol,ul{padding-left:1.3em}li{margin-bottom:10px}.button{display:inline-block;padding:10px 18px;border:1px solid currentColor;text-decoration:none}details{padding:18px 0;border-bottom:1px solid currentColor}summary{cursor:pointer;font-weight:650}details p{margin-top:14px}.grid{display:grid;gap:24px}article{min-width:0}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:#fff9ee;color:#41362d}.intro{max-width:780px;padding:55px 0 35px}.stepnav{background:#efb44e;padding:16px 22px;border-radius:15px;justify-content:space-around;font-weight:700}.steps{max-width:880px;margin:25px auto}.steps section{display:grid;grid-template-columns:50px 1fr;gap:12px;padding:32px 0}.num{color:#bd6928;font-size:2.2rem;line-height:1.2}.steps section+section{border-top:1px dashed #d3b896}.note{background:#f6e8cb;padding:16px}.check{background:#41362d;color:#fff4df;padding:28px;border-radius:20px;margin:20px 0}@media(min-width:720px){.steps section{grid-template-columns:110px 1fr;padding:48px 0}.num{font-size:4rem}.check{display:grid;grid-template-columns:1fr 1.5fr;gap:12px}.check p{grid-column:1/-1}}

.expanded-reading{margin-top:36px}.expanded-reading>section{padding:26px 0;border-top:1px solid currentColor}.expanded-reading h2{font-size:clamp(1.2rem,2.6vw,1.5rem);line-height:1.5}.expanded-reading p{max-width:74ch;line-height:1.9;margin-bottom:18px}.expanded-reading p:last-child{margin-bottom:0}