:root{color-scheme:light;--ink:#15211e;--muted:#60706b;--paper:#f4f1e9;--card:#fffdf8;--green:#315c52;--line:#d9d8cf;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 80% 8%,#dce9e2 0,transparent 34rem),var(--paper)}main{width:min(1080px,calc(100% - 40px));margin:auto}.hero{min-height:70vh;display:flex;flex-direction:column;justify-content:center;max-width:760px;padding:70px 0 45px}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800}.brand span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--green);color:white}.eyebrow{margin:70px 0 14px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.18em}h1{margin:0;font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(44px,7vw,82px);font-weight:600;line-height:1.14;letter-spacing:-.04em}.lead{max-width:680px;margin:28px 0;color:var(--muted);font-size:17px;line-height:1.9}.actions{display:flex;flex-wrap:wrap;gap:12px}.actions a{display:inline-flex;align-items:center;min-height:50px;padding:0 22px;border:1px solid var(--ink);border-radius:10px;color:var(--ink);font-weight:700;text-decoration:none}.actions .primary{border-color:var(--green);background:var(--green);color:white}.note{color:var(--muted);font-size:12px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding:0 0 80px}.features article{padding:25px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--card) 82%,transparent)}.features strong{font-size:18px}.features p{margin:12px 0 0;color:var(--muted);line-height:1.7}footer{padding:28px 20px;border-top:1px solid var(--line);color:var(--muted);text-align:center;font-size:12px}footer a{color:var(--green)}@media(max-width:700px){.hero{min-height:auto;padding-top:36px}.eyebrow{margin-top:55px}.features{grid-template-columns:1fr}h1{font-size:44px}}