:root{
  --bg-1:#e0e1e8; --bg-2:#d8dae1; --bg-3:#dddee3; --bg-4:#dbdce4;
  --ink:#3c3b41;
  --ink-2:rgba(52,52,81,.58);
  --ink-3:rgba(52,52,81,.38);
  --line:rgba(0,0,0,.07);
  --glass:rgba(255,255,255,.44);
  --glass-border:rgba(255,255,255,.5);
  --blue:#008aff;
  --green:#30a46c;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --shadow-glass: inset 0 1px 1px rgba(255,255,255,.3), -4px 8px 28px rgba(104,104,104,.05), 0 2px 8px rgba(100,100,100,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font);color:var(--ink);line-height:1.9;
  background:linear-gradient(145deg,var(--bg-1) 0%,var(--bg-2) 35%,var(--bg-3) 65%,var(--bg-4) 100%);
  background-attachment:fixed;-webkit-font-smoothing:antialiased;
  padding:0 24px 72px;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(255,255,255,.75), transparent 62%),
    radial-gradient(760px 460px at 88% 6%, rgba(214,224,240,.5), transparent 60%);
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

.topbar{
  position:relative;z-index:2;max-width:900px;margin:0 auto;padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.back{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:99px;
  background:rgba(255,255,255,.55);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  font-size:14.5px;color:rgba(0,0,0,.7);
}
.back:hover{background:rgba(255,255,255,.78);text-decoration:none}
.brandmark{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:500;color:rgba(0,0,0,.75)}
.brandmark i{
  width:20px;height:20px;border-radius:6px;display:block;
  background:linear-gradient(150deg,#2e7d6f,#4ba393);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45);position:relative;
}
.brandmark i::after{
  content:"";position:absolute;left:5px;top:5px;width:9px;height:9px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;border-radius:1px;
}

main{
  position:relative;z-index:1;max-width:820px;margin:0 auto;
  padding:48px 44px 52px;border-radius:24px;
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);
}
h1{font-size:34px;line-height:1.3;font-weight:400;color:rgba(0,0,0,.86);margin-bottom:10px}
.meta{font-size:13.5px;color:var(--ink-3);margin-bottom:34px;padding-bottom:22px;border-bottom:1px solid var(--line)}
h2{font-size:20px;font-weight:500;color:rgba(0,0,0,.82);margin:34px 0 12px}
h3{font-size:16px;font-weight:500;color:rgba(0,0,0,.78);margin:22px 0 8px}
p{font-size:15.5px;color:rgba(60,59,65,.92);margin-bottom:12px}
ul,ol{margin:0 0 14px 20px}
li{font-size:15.5px;color:rgba(60,59,65,.92);margin-bottom:8px}
strong{font-weight:500;color:rgba(0,0,0,.84)}
.note{
  margin:18px 0;padding:16px 18px;border-radius:14px;
  background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.7);
  font-size:14.5px;color:rgba(60,59,65,.86);line-height:1.8;
}
.note b{font-weight:500;color:rgba(0,0,0,.82)}
table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:500;color:rgba(0,0,0,.72);background:rgba(255,255,255,.4)}
td{color:rgba(60,59,65,.9)}
footer.legal-foot{
  position:relative;z-index:1;max-width:820px;margin:26px auto 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
footer.legal-foot a{color:inherit}
footer.legal-foot a:hover{color:rgba(0,0,0,.7)}
@media(max-width:640px){
  main{padding:30px 20px 34px;border-radius:18px}
  h1{font-size:25px}
  body{padding:0 14px 48px}
}