:root{--ink:#172222;--muted:#50615c;--accent:#087e68;--line:#d4dad7;--surface:#fff;--serif:Georgia,'Songti SC','Noto Serif CJK SC',serif;--sans:'Avenir Next','Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--ink);font:18px/1.6 var(--sans)}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#045445}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.skip{position:absolute;left:16px;top:-80px;background:white;padding:10px;z-index:10}.skip:focus{top:8px}.site-header{border-bottom:1px solid var(--line);padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font:bold 25px/1.25 var(--serif);text-decoration:none;color:var(--ink)}nav{display:flex;gap:28px;align-items:center}nav a{color:var(--ink);text-decoration:none;font-size:17px}main{max-width:1180px;margin:auto;padding:50px 30px 0}h1,h2,h3{font-family:var(--serif);line-height:1.15}h1{font-size:clamp(42px,5vw,72px);letter-spacing:-1.8px;max-width:950px;margin:0 0 30px}h2{font-size:34px;margin:0 0 20px}h3{font-size:22px;margin:0 0 14px}.intro{max-width:800px;font-size:21px;margin:0 0 26px}.actions{display:flex;align-items:center;gap:34px;margin-bottom:38px}.button{display:inline-block;background:var(--accent);color:white;padding:13px 24px;border-radius:4px;font-weight:600;text-decoration:none}.button:hover{background:#046652;color:white}.example{border:1px solid #b8c0bc;border-radius:3px;padding:20px 24px 12px;margin:0}.example figcaption{font-size:18px;margin-bottom:22px}.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.example-grid>div+div{border-left:1px solid #b8c0bc;padding-left:40px}.sample{border-bottom:1px solid #bdc5c0;padding:12px 0}.sample:last-child{border:0}.sample strong{display:block;font:bold 22px/1.3 var(--serif)}.sample p{margin:3px 0 0;font-size:18px}section{margin-top:44px}.steps{padding:0;list-style:none;margin:0}.steps li{display:grid;grid-template-columns:30% 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.steps li:last-child{border:0}.steps p{margin:6px 0 0;color:var(--muted);font-size:16px}code{font:16px/1.5 'SFMono-Regular',Consolas,monospace;overflow-wrap:anywhere}pre{margin:0;padding:12px 20px;border:1px solid #bfc8c3;border-radius:3px;white-space:pre-wrap;overflow-wrap:anywhere}.coverage{border:1px solid #aebbb4}.facts{display:grid;grid-template-columns:1fr 1fr 1.2fr;border-bottom:1px solid #aebbb4}.facts span{padding:9px 16px;text-align:center;font-weight:600;font-size:17px}.facts span+span{border-left:1px solid #aebbb4}.coverage p{margin:12px 20px;font-size:17px}.questions{margin:0}.questions>div{display:grid;grid-template-columns:38% 1fr;gap:20px;border-bottom:1px solid var(--line);padding:18px 0}.questions dt{font:bold 21px/1.5 var(--serif)}.questions dd{margin:0}.site-footer{max-width:1120px;margin:0 auto;padding:22px 24px 30px;display:flex;justify-content:center;flex-wrap:wrap;gap:25px}.site-footer a{font-size:17px}.notice{font-size:15px;color:var(--muted);margin:16px 0}.social{width:1280px;height:640px;padding:48px 56px;margin:0}.social h1{font-size:43px;letter-spacing:-.7px;margin:0 0 12px;max-width:1160px}.social .tagline{font-size:21px;margin:0 0 24px}.social .example{padding:16px 24px}.social .example figcaption{font-size:15px;margin-bottom:12px}.social h3{font-size:21px;margin-bottom:4px}.social .sample{padding:8px 0}.social .sample strong{font-size:19px}.social .sample p{font-size:18px}.social .bottom{display:flex;justify-content:space-between;font-size:15px;margin-top:22px}.examples-only{padding:36px;max-width:1280px;margin:0 auto}.examples-only h1{font-size:34px;margin:0 0 20px}.examples-only .example{padding:26px 30px}.examples-only .sample{padding:20px 0}.examples-only .sample p{font-size:24px}.examples-only .sample strong{font-size:26px}
@media(max-width:650px){body{font-size:17px}.site-header{padding:19px 22px;align-items:flex-start;flex-direction:column;gap:14px}.brand{font-size:23px}nav{gap:26px}nav a{font-size:16px}main{padding:34px 22px 0}h1{font-size:43px;letter-spacing:-1px;margin-bottom:24px}h2{font-size:29px}.intro{font-size:18px}.actions{gap:18px;flex-wrap:wrap;margin-bottom:28px}.button{font-size:16px;padding:12px 18px}.example{padding:18px}.example-grid{grid-template-columns:1fr;gap:20px}.example-grid>div+div{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.sample p{font-size:17px}.example figcaption{font-size:15px}section{margin-top:34px}.steps li{grid-template-columns:1fr;gap:12px}.steps p{font-size:15px}pre{padding:12px;font-size:14px}code{font-size:14px}.facts{grid-template-columns:1fr}.facts span+span{border-left:0;border-top:1px solid var(--line)}.coverage p{font-size:16px}.questions>div{grid-template-columns:1fr;gap:8px}.questions dt{font-size:20px}.site-footer{gap:22px}.examples-only{padding:18px}.examples-only .sample p{font-size:18px}}
.social{max-width:none}
@media(min-width:651px){main:not(.social):not(.examples-only){padding-left:60px;padding-right:60px}h1{font-size:clamp(42px,6.3vw,72px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.screenshot-evidence{margin-top:0}.shot-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.shot-grid figure{margin:0;min-width:0;border:1px solid var(--line);background:#fff}.shot-grid figcaption{padding:10px 16px;font-size:16px;font-weight:600;background:#f5f8f6;border-bottom:1px solid var(--line)}.shot-grid a{display:block}.shot-grid img{display:block;width:100%;height:auto}.screenshot-evidence details{border-top:1px solid var(--line);padding:16px 0}.screenshot-evidence summary{cursor:pointer;color:var(--accent);font-weight:600;margin-bottom:12px}.real-social{padding:26px 40px;height:640px}.real-social h1{font-size:40px;margin-bottom:6px}.real-social .tagline{font-size:20px;margin-bottom:14px}.real-social .shot-grid{gap:24px}.real-social .shot-grid img{height:398px;object-fit:contain}.real-social .bottom{margin-top:14px}.comparison-export{width:1280px;max-width:none!important;height:900px;padding:28px 40px!important}.comparison-export h1{font-size:38px;margin:0 0 18px;max-width:none}.comparison-export .shot-grid img{height:660px;object-fit:contain}.comparison-export .notice{font-size:18px;margin:16px 0}
@media(max-width:650px){.screenshot-evidence .shot-grid{grid-template-columns:1fr}.screenshot-evidence h2{font-size:27px}.shot-grid figcaption{font-size:15px}}
