:root{color-scheme:light;--ink:#17243c;--muted:#55657b;--blue:#355fd6;--line:#dfe5ef}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;display:flex;flex-direction:column;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:radial-gradient(ellipse at 85% 30%,#e5ebff 0,transparent 52%),#f5f7fb}
header,footer{width:min(1120px,calc(100% - 64px));margin-inline:auto}
header{padding-top:36px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:20px;font-weight:700;min-height:44px}
.mark{display:grid;place-items:center;width:40px;height:40px;background:var(--blue);color:white;border-radius:12px;font-size:24px}
.en{font-size:12px;letter-spacing:2px;color:var(--muted);margin-left:4px}
.brand:focus-visible{outline:3px solid var(--blue);outline-offset:6px;border-radius:4px}
main{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;width:min(960px,calc(100% - 64px));margin-inline:auto;padding:88px 0 110px}
.eyebrow{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:4px;margin:0 0 26px}
h1{font-size:clamp(38px,5.8vw,72px);line-height:1.3;letter-spacing:-2px;margin:0;font-weight:750}
h1 span{display:block;color:var(--blue);font-size:.7em;letter-spacing:0;margin-top:12px}
.intro{font-size:18px;line-height:1.9;color:var(--muted);margin:28px 0 32px}
.note{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);padding:12px 18px;border:1px solid var(--line);border-radius:30px;background:#ffffffa6}
.dot{width:7px;height:7px;border-radius:50%;background:var(--blue)}
footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:24px 0 28px;color:var(--muted);font-size:12px;line-height:1.6}
footer span:first-child{letter-spacing:3px}
@media(max-width:600px){header,footer,main{width:calc(100% - 40px)}header{padding-top:24px}main{padding:72px 0 88px}h1{letter-spacing:-1px}.intro{font-size:16px}.en{display:none}}