:root{color-scheme:light;--paper:#f7f8fa;--surface:#fff;--ink:#18222b;--muted:#66737e;--line:#e4e8eb;--accent:#167e92;--soft:#edf7f8}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.85 "PingFang SC","Microsoft YaHei",system-ui,sans-serif}.skip-link{position:fixed;left:12px;top:-60px;z-index:10;padding:7px 10px;color:#fff;background:var(--accent)}.skip-link:focus{top:10px}.legal-hero{background:var(--surface);border-bottom:1px solid var(--line)}.hero-inner{max-width:760px;margin:auto;padding:28px 28px 24px}.eyebrow{margin:0 0 8px;color:var(--accent);font:600 11px/1.4 "SFMono-Regular",Consolas,monospace;letter-spacing:.1em}h1{margin:0;font-size:30px;line-height:1.3;letter-spacing:-.02em}.revision{display:flex;flex-wrap:wrap;gap:5px 16px;margin-top:12px;color:var(--muted);font-size:12px}.revision span:first-child{font-weight:600;color:var(--ink)}.legal-layout{max-width:760px;margin:0 auto;background:var(--surface)}.legal-document{min-width:0}.intro{margin:0;padding:25px 28px 18px;font-size:16px;line-height:1.8}.protocol-note{margin:0 28px 8px;padding:12px 14px;color:#275762;background:var(--soft);border-left:3px solid var(--accent);font-size:13px}.legal-section{padding:25px 28px;border-bottom:1px solid var(--line);scroll-margin-top:10px}.section-code{display:none}.section-body{min-width:0}h2{margin:0 0 13px;font-size:19px;line-height:1.45}h3{margin:22px 0 7px;font-size:16px}p,li{margin:7px 0}ul{padding-left:20px}li::marker{color:var(--accent)}code{padding:1px 5px;color:#23515b;background:var(--soft);border-radius:3px;font:12px/1.5 "SFMono-Regular",Consolas,monospace;overflow-wrap:anywhere}table{width:100%;margin:14px 0 2px;border-collapse:collapse;font-size:13px;line-height:1.65}th,td{padding:11px 12px;border:1px solid #d8dfe3;text-align:left;vertical-align:top}th{color:#34434e;background:#f0f3f5;font-weight:600}td{background:#fff}@media(max-width:800px){.hero-inner{padding:18px 18px 16px}.eyebrow{margin-bottom:5px;font-size:10px}h1{font-size:23px}.revision{margin-top:8px;font-size:11px}.intro{padding:20px 18px 14px;font-size:15px}.protocol-note{margin:0 18px 4px;padding:10px 12px}.legal-section{padding:21px 18px}h2{font-size:18px}table,thead,tbody,tr,th,td{display:block;width:100%}table{border:0}thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}tbody tr{margin:0 0 10px;border:1px solid #d8dfe3;border-radius:4px;overflow:hidden}td{padding:9px 11px;border:0}td+td{border-top:1px solid var(--line)}td::before{display:block;margin-bottom:2px;color:var(--accent);content:attr(data-label);font-size:11px;font-weight:600}}@media(min-width:801px){body{padding:28px 0}.legal-hero,.legal-layout{box-shadow:0 8px 28px rgba(30,48,58,.06)}.legal-hero{max-width:760px;margin:auto;border-radius:8px 8px 0 0}.legal-layout{border-radius:0 0 8px 8px;overflow:hidden}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}