:root{--ink:#172525;--muted:#516464;--green:#126d5e;--line:#dbe4df;--paper:#f6f8f6;--amber:#a15217}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 -apple-system,BlinkMacSystemFont,"Noto Sans TC",sans-serif;letter-spacing:0}a{color:var(--green);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #ab570e;outline-offset:5px}img{max-width:100%;display:block}nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav{max-width:1120px;margin:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}.brand img{width:36px;height:36px;border-radius:8px}.links{display:flex;gap:20px;flex-wrap:wrap}.links a{font-size:14px;text-decoration:none;padding:8px 0}main{min-height:70vh}.intro{text-align:center;padding:48px 24px 40px;background:#fff}.intro>img{width:104px;height:104px;border-radius:22px;margin:0 auto 20px}.eyebrow{color:var(--green);font-size:14px;font-weight:700;margin:0 0 10px}h1{font-size:48px;line-height:1.2;margin:0 0 18px}h2{font-size:30px;line-height:1.4;margin:0 0 20px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 18px}.lead{max-width:620px;margin:0 auto 24px;font-size:20px;color:var(--muted)}.actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.button{background:var(--green);color:white;text-decoration:none;border-radius:6px;padding:11px 20px;display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-weight:600}.secondary{background:#edf4ef;color:var(--green)}.status{font-size:14px;color:var(--muted);margin:18px 0 0}.wrap{max-width:1050px;margin:auto;padding:52px 24px}.band{border-bottom:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.grid p{color:var(--muted);margin:0}.num{font-size:13px;font-weight:700;color:var(--amber);display:block;margin-bottom:12px}.example{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:24px 0 0;font-size:18px}.example code{background:#e8efeb;padding:5px 10px;border-radius:4px}.candidate{color:var(--green);font-weight:700}.note{font-size:14px;color:var(--muted)}.pricing{background:#eaf2ee}.plans{display:grid;grid-template-columns:1fr 1fr;gap:40px}.plan+ .plan{border-left:1px solid #c3d5ca;padding-left:40px}.price{font-size:36px;line-height:1.4;margin:12px 0}.price small{font-size:15px;color:var(--muted)}ul{padding-left:22px}li{margin:8px 0}.badge{color:var(--amber);font-size:13px;font-weight:700}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;min-height:44px;font-weight:600}details p{color:var(--muted);max-width:780px;padding:12px 0 0}.support{display:flex;justify-content:space-between;align-items:center;gap:24px}.support p{color:var(--muted);margin:0}.document{max-width:800px;margin:auto;padding:48px 24px}.document h1{font-size:34px}.document h2{font-size:23px;margin-top:32px}footer{background:#193b34;color:#e7eeeb;padding:32px 24px}footer .inner{max-width:1050px;margin:auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}footer a{color:#e7eeeb;font-size:14px}footer .links{gap:18px}footer p{font-size:13px;margin:14px 0 0;color:#c9d8d1}@media(max-width:680px){.nav{padding:10px 16px;align-items:flex-start;gap:10px}.brand{font-size:15px}.links{gap:12px}.nav .links{justify-content:flex-end}.nav .links a{font-size:12px}h1{font-size:36px}.intro{padding:32px 20px}.intro>img{width:80px;height:80px}.lead{font-size:18px}.wrap{padding:36px 20px}.grid,.plans{grid-template-columns:1fr;gap:28px}.plan+ .plan{border-left:0;border-top:1px solid #c3d5ca;padding:24px 0 0}.support{display:block}.support .button{margin-top:20px}h2{font-size:26px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}