:root{color-scheme:light;--ink:#202328;--muted:#636a73;--line:#e8eaed;--paper:#f8f9fb;--accent:#c94a32;--soft:#fff0eb;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.75}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}.skip{position:fixed;top:-100px;left:16px;background:white;padding:10px 16px;z-index:10}.skip:focus{top:12px}.wrap{max-width:1184px;margin:auto;padding:0 48px}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:104px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:650;text-decoration:none;letter-spacing:-.03em}.brand img{width:38px;height:38px;border-radius:9px;outline:1px solid var(--line)}.nav-links{display:flex;gap:30px;font-size:14px}.nav-links a{text-decoration:none}.nav-links a[aria-current=page]{color:var(--accent)}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;padding:76px 0 84px;min-height:640px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:650;margin:0 0 26px}.status{display:inline-flex;gap:8px;align-items:center;background:var(--soft);padding:4px 10px;border-radius:4px;letter-spacing:.04em}.status:before{content:"";height:5px;width:5px;background:var(--accent);border-radius:50%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.2vw,66px);line-height:1.16;letter-spacing:-.065em;font-weight:580;margin-bottom:26px}.hero-copy>p:not(.eyebrow){max-width:410px;color:var(--muted);font-size:18px;line-height:1.9}.hero-art{margin:0;align-self:center}.hero-art img{width:100%;border-radius:22%;mix-blend-mode:multiply}.hero-art figcaption{text-align:center;color:var(--muted);font-size:11px;letter-spacing:.16em;margin-top:-18px}.actions{margin-top:36px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:13px 22px;background:var(--ink);color:white;text-decoration:none;font-size:14px;font-weight:550;border-radius:6px}.button:hover{background:#333940;color:white}.button:active{transform:scale(.99)}.button.secondary{background:white;border:1px solid var(--line);color:var(--ink)}.note{font-size:12px;color:var(--muted);margin:12px 0 0!important;line-height:1.7!important}.feature-band{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0;gap:40px}.feature-band article{padding-right:20px}.feature-band .number{font-size:12px;letter-spacing:.1em;color:var(--accent);font-family:"SF Mono",ui-monospace,monospace}.feature-band h2{font-size:18px;font-weight:550;margin:9px 0 8px}.feature-band p{color:var(--muted);font-size:14px;margin:0}.detail-section{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:76px 0}.detail-section h2{font-size:32px;line-height:1.35;letter-spacing:-.04em;font-weight:550}.detail-section p{color:var(--muted);font-size:15px}.inline-link{font-size:14px;font-weight:600}.footer{border-top:1px solid var(--line);padding:28px 0 38px;display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:12px}.footer nav{display:flex;gap:24px;flex-wrap:wrap}.footer a{text-decoration:none}.doc-layout{display:grid;grid-template-columns:190px minmax(0,720px);gap:64px;padding:68px 0 86px}.doc-side{font-size:12px;color:var(--muted);padding-top:8px}.doc-side p{margin-bottom:12px}.doc-side .edition{font-family:"SF Mono",ui-monospace,monospace;color:var(--accent);letter-spacing:.08em}.doc h1{font-size:44px;margin-bottom:18px}.intro{font-size:18px;color:var(--muted);line-height:1.8}.doc h2{font-size:22px;letter-spacing:-.02em;font-weight:600;margin:40px 0 12px}.doc h3{font-size:17px;font-weight:600;margin:28px 0 10px}.doc p,.doc li{font-size:15px;color:#4e555f}.doc ul{padding-left:22px}.doc strong{color:var(--ink);font-weight:600}.notice{padding:18px 22px;border-left:2px solid var(--accent);background:white;margin:26px 0}.notice p{margin:0;font-size:14px}.contact{margin:28px 0 38px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.contact-label{font-size:12px!important;letter-spacing:.08em;margin:0 0 6px;color:var(--muted)}.contact a{font-size:clamp(16px,2.2vw,22px);word-break:break-word;font-weight:550;text-decoration:none}.contact p:last-child{margin:8px 0 0;font-size:13px}.faq{margin-top:28px}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{list-style:none;font-size:17px;font-weight:550;cursor:pointer;padding-right:32px;position:relative;line-height:1.5}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:2px;top:0;color:var(--muted);font-weight:400}.faq details[open] summary:after{content:"−"}.faq details p{padding:16px 24px 0 0;margin:0}.email-link{overflow-wrap:anywhere}.policy-foot{padding-top:28px;margin-top:38px;border-top:1px solid var(--line)}
@media(min-width:800px){.hero-copy,.hero-art{animation:arrive .55s ease-out both}.hero-art{animation-delay:.08s}}@keyframes arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:800px){.wrap{padding:0 26px}.nav{min-height:86px}.hero{grid-template-columns:1fr;gap:16px;padding:46px 0 48px;min-height:auto}.hero-copy{max-width:570px}.hero-art{max-width:400px;width:80%;margin:-4px auto 10px}.hero h1{font-size:50px}.feature-band{gap:26px}.detail-section{gap:40px}.doc-layout{grid-template-columns:1fr;gap:18px;padding:38px 0 60px}.doc-side{display:flex;gap:16px;flex-wrap:wrap}.doc-side p{margin:0}.doc h1{font-size:38px}.footer{flex-direction:column;gap:14px}}
@media(max-width:520px){.wrap{padding:0 22px}.brand{font-size:15px;gap:9px}.brand img{width:32px;height:32px}.nav-links{gap:18px;font-size:13px}.hero h1{font-size:46px;line-height:1.18}.hero-copy>p:not(.eyebrow){font-size:16px}.eyebrow{margin-bottom:22px}.feature-band{grid-template-columns:1fr;gap:28px;padding:30px 0}.feature-band article{padding:0}.feature-band h2{display:inline;margin-left:12px}.feature-band p{margin-top:8px}.detail-section{grid-template-columns:1fr;gap:26px;padding:45px 0}.detail-section h2{font-size:29px;margin-bottom:14px}.footer nav{gap:18px}.doc h1{font-size:36px}.intro{font-size:16px}.doc h2{font-size:21px}.notice{padding:16px 18px}.button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}