:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #1a2233;
  --muted: #6b7688;
  --line: #e6e9ef;
  --accent: #2f6df6;
  --accent-ink: #ffffff;
  --pop: #10203a;
  --shadow: 0 1px 2px rgba(16,32,58,.06), 0 8px 24px rgba(16,32,58,.06);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 17px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 18px; }

/* header */
.site-head { border-bottom: 1px solid var(--line); background: var(--card); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { font-weight: 800; font-size: 19px; color: var(--pop); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.nav a { color: var(--muted); font-size: 15px; margin-left: 18px; }

/* breadcrumb */
.crumbs { font-size: 13px; color: var(--muted); margin: 18px 0 4px; }
.crumbs a { color: var(--muted); }

/* hero countdown */
h1 { font-size: 28px; line-height: 1.2; letter-spacing: -.02em; margin: 10px 0 6px; }
.lead { color: var(--muted); margin: 0 0 20px; }

.countdown {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 20px;
  text-align: center;
  margin: 8px 0 22px;
}
.big-num { font-size: 68px; font-weight: 800; line-height: 1; letter-spacing: -.03em; color: var(--pop); }
.big-num .unit { display: block; font-size: 15px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }
.result-date { font-size: 40px; font-weight: 800; letter-spacing: -.02em; color: var(--pop); }
.clock { margin-top: 16px; display: flex; justify-content: center; gap: 14px; }
.clock .seg { min-width: 62px; }
.clock .seg b { display: block; font-size: 26px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.clock .seg span { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.sub { margin-top: 14px; color: var(--muted); font-size: 15px; }

/* body copy */
.prose { margin: 22px 0; }
.prose p { margin: 0 0 14px; }
.facts { list-style: none; padding: 0; margin: 18px 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.facts li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.facts li:first-child { border-top: none; }
.facts .k { color: var(--muted); }
.facts .v { font-weight: 600; text-align: right; }

/* tool */
.tool { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin: 8px 0 22px; }
.tool label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 5px; font-weight: 600; }
.row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.row > div { flex: 1; min-width: 140px; }
input, select { width: 100%; padding: 10px 12px; font-size: 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.tool-out { font-size: 20px; font-weight: 700; color: var(--pop); margin-top: 6px; min-height: 28px; }

/* link grids */
h2 { font-size: 20px; margin: 30px 0 12px; letter-spacing: -.01em; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.grid a { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; color: var(--ink); font-size: 15px; }
.grid a:hover { border-color: var(--accent); text-decoration: none; }
.chip-emoji { margin-right: 6px; }

/* ad slots */
.ad-slot {
  margin: 22px 0;
  min-height: 90px;
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg, #eef1f6, #eef1f6 10px, #f4f6fa 10px, #f4f6fa 20px);
  border: 1px dashed #cfd6e2;
  border-radius: 10px;
  color: #aeb6c4; font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
}

/* footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 50px; color: var(--muted); font-size: 14px; background: var(--card); }
.site-foot a { color: var(--muted); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; }

@media (max-width: 520px) {
  .big-num { font-size: 54px; }
  .result-date { font-size: 30px; }
  h1 { font-size: 23px; }
  .clock .seg { min-width: 52px; }
}