:root {
  color-scheme: dark;
  --bg: #080a0e;
  --panel: #0e1117;
  --text: #f2f2ef;
  --muted: #9298a4;
  --line: rgba(220, 229, 249, 0.14);
  --accent: #b5c9ed;
  --ok: #9fd8b4;
  --warn: #f0c987;
  --bad: #f2a3a3;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-width: 280px; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 920px; margin: 0 auto; padding: 22px 16px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); font-weight: 600; letter-spacing: 0.02em; white-space: nowrap; }
.brand span { color: var(--muted); font-weight: 400; margin-left: 6px; }
.nav { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); flex-wrap: wrap; justify-content: flex-end; }
.nav form { margin: 0; }
main { max-width: 920px; margin: 0 auto; padding: 32px 16px 64px; }
.narrow { max-width: 440px; margin: 40px auto 0; }
h1 { font-size: 28px; font-weight: 500; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 16px; font-weight: 500; margin: 0 0 14px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.card { border: 1px solid var(--line); background: var(--panel); padding: 22px; margin: 0 0 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.grid .card { margin: 0; }
.big { font-size: 36px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; margin: 4px 0 8px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }
input[type=email], input[type=text], input[type=number] { width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--line); background: #0a0d12; color: var(--text); font: inherit; border-radius: 0; }
input:focus { outline: 1px solid var(--accent); outline-offset: 0; }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
.row > .button, .row > button { flex: 0 0 auto; }
.button, button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid transparent; background: #eeefec; color: #171a21; font: inherit; font-size: 14px; letter-spacing: 0.02em; cursor: pointer; border-radius: 0; text-decoration: none; white-space: nowrap; }
.button:hover, button:hover { background: #fff; text-decoration: none; }
.ghost { background: #ffffff03; border-color: #ffffff35; color: #e0e3e9; }
.ghost:hover { background: #ffffff0a; border-color: #ffffff65; color: #fff; }
.link { background: none; border: none; padding: 0; min-height: 0; color: var(--accent); font-size: inherit; }
.link:hover { background: none; text-decoration: underline; }
.stack > * + * { margin-top: 10px; }
.stack .button, .stack button { width: 100%; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 18px 0; }
.or::before, .or::after { content: ''; flex: 1; border-top: 1px solid var(--line); }
.notice { border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 12px 14px; margin: 0 0 18px; }
.notice.bad { border-left-color: var(--bad); }
.notice.ok { border-left-color: var(--ok); }
.notice.warn { border-left-color: var(--warn); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 8px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 400; font-size: 13px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
th + th, td + td { padding-left: 16px; }
tr > :last-child { padding-right: 0; }
.table-wrap { overflow-x: auto; }
.tag { display: inline-block; font-size: 12px; color: var(--muted); border: 1px solid var(--line); padding: 0 6px; margin-left: 6px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.plan { border: 1px solid var(--line); padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.plan.current { border-color: var(--accent); }
.plan .price { font-size: 22px; }
.plan form { margin: 0; }
.plan .button, .plan button { width: 100%; }
.gap-top { margin-top: 14px; }
.gap-top-s { margin-top: 6px; }
.gap-block { margin-top: 18px; }
.grid + .grid { margin-top: 18px; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-size: 14px; }
.check input { margin-top: 4px; }
.warn-text { color: var(--warn); }
.staging { max-width: 920px; margin: 12px auto 0; padding: 8px 16px; border: 1px solid var(--warn); color: var(--warn); font-size: 13px; }
footer { max-width: 920px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 560px) { h1 { font-size: 24px; } .big { font-size: 30px; } .card { padding: 18px; } }