:root{color-scheme:light;--paper:#f5f0e6;--ink:#33281f;--muted:#6d6053;--line:#d8ccba;--accent:#765334}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.8}a{color:inherit}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.masthead,main,footer{width:min(1120px,calc(100% - 80px));margin:auto}.masthead{display:flex;justify-content:space-between;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-family:"Songti SC",SimSun,serif;font-size:30px;letter-spacing:.12em}.brand span{font-size:17px;letter-spacing:.18em;border-left:1px solid var(--line);padding-left:15px}.header-note{font-size:12px;letter-spacing:.12em;color:var(--muted)}.hero{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:40px;padding:80px 0 75px}.eyebrow{font-size:12px;letter-spacing:.2em;color:var(--accent);margin:0 0 20px}h1,h2,h3{font-family:"Songti SC",SimSun,serif;font-weight:400}h1{font-size:clamp(32px,3.5vw,48px);line-height:1.5;letter-spacing:.04em;margin:0 0 25px}.lead{max-width:480px;color:var(--muted);font-size:15px;line-height:2.1}.text-link{display:inline-flex;gap:32px;margin-top:20px;padding:8px 0;border-bottom:1px solid var(--accent);text-decoration:none;font-size:14px}.emblem{margin:0;text-align:center}.emblem-circle{aspect-ratio:1;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;background:#ebe1d0}.emblem img{display:block;width:83%;height:auto;aspect-ratio:1;object-fit:contain}.emblem figcaption{margin-top:22px;font-size:12px;letter-spacing:.16em;color:var(--muted)}.about{padding:48px 0 55px;border-top:1px solid var(--line)}h2{font-size:28px;margin:0 0 28px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.features article+article{border-left:1px solid var(--line);padding-left:36px}h3{font-size:22px;margin:0 0 10px}.features p,.status p{color:var(--muted);font-size:14px;margin:0}.status{display:grid;grid-template-columns:1fr 1.7fr;gap:40px;border-top:1px solid var(--line);padding:40px 0 50px}.status h2{font-size:23px;margin-bottom:0}.status .eyebrow{margin-bottom:12px}.status p+p{margin-top:12px}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:25px 0 35px;font-size:12px;color:var(--muted)}footer a{text-underline-offset:4px}@media(max-width:700px){.masthead,main,footer{width:calc(100% - 40px)}.masthead{padding:22px 0}.brand{font-size:26px;gap:10px}.brand span{font-size:15px;padding-left:12px}.header-note{display:none}.hero{grid-template-columns:1fr;padding:40px 0;gap:30px}h1{font-size:32px}.lead{font-size:14px}.emblem{width:min(280px,85%);margin:auto}.emblem figcaption{margin-top:14px}.features{grid-template-columns:1fr;gap:24px}.features article+article{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:24px}.about{padding:32px 0}.status{grid-template-columns:1fr;gap:18px;padding:32px 0}footer{flex-direction:column;align-items:center;gap:8px;text-align:center}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}