:root {
  --bg: #14161a;
  --bg-alt: #191c21;
  --panel: #1e2229;
  --line: #2c313a;
  --text: #e6e8ec;
  --dim: #9aa2ae;
  --accent: #f0a04b;
  --accent-2: #7fb069;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
  background: #262a32;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  color: #d8dde5;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(20, 22, 26, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 58px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 600; letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.brand img { border-radius: 6px; }
.nav nav { display: flex; gap: 22px; }
.nav nav a { color: var(--dim); font-size: 14px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  padding: 84px 0 72px;
  background:
    radial-gradient(900px 380px at 18% -10%, rgba(240,160,75,.16), transparent 70%),
    radial-gradient(700px 320px at 88% 8%, rgba(127,176,105,.10), transparent 70%);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.55fr .45fr;
  gap: 40px;
  align-items: center;
}
.kicker {
  margin: 0 0 14px;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -.5px;
}
.hero h1 span {
  display: block;
  margin-top: 6px;
  font-size: .52em;
  font-weight: 500;
  color: var(--dim);
  letter-spacing: .18em;
}
.lead { margin: 0 0 26px; font-size: 17px; color: #c8cdd6; max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  transition: transform .12s ease, border-color .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); border-color: #3b424e; }
.btn.primary {
  background: linear-gradient(180deg, #f2ad5f, #e08f36);
  border-color: #e08f36;
  color: #241a0c;
  font-weight: 600;
}
.meta { margin: 0; font-size: 13px; color: var(--dim); }
.hero-art { text-align: center; }
.hero-art img {
  width: 100%; max-width: 190px;
  border-radius: 26px;
  box-shadow: 0 18px 50px rgba(0,0,0,.5);
}

/* ---------- sections ---------- */
.section { padding: 68px 0; border-bottom: 1px solid var(--line); }
.section.alt { background: var(--bg-alt); }
.section h2 {
  margin: 0 0 8px;
  font-size: 27px;
  letter-spacing: -.2px;
}
.sub { margin: 0 0 34px; color: var(--dim); font-size: 15px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
}
.card h3 { margin: 0 0 10px; font-size: 17px; }
.card h3 em {
  display: inline-block;
  margin-left: 8px;
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #241a0c;
  background: var(--accent-2);
  border-radius: 999px;
  padding: 2px 8px;
  vertical-align: 2px;
}
.card p { margin: 0; font-size: 14.5px; color: #b9c0ca; }
.card.new { border-color: #3a4436; box-shadow: inset 0 0 0 1px rgba(127,176,105,.10); }

/* ---------- table ---------- */
.table-scroll { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--panel); }
thead th {
  text-align: left;
  padding: 13px 16px;
  background: #232830;
  color: var(--dim);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}
tbody td { padding: 13px 16px; border-top: 1px solid var(--line); vertical-align: top; }
tbody td:first-child { white-space: nowrap; }
tbody td:nth-child(2) { white-space: nowrap; color: var(--accent-2); }
tbody tr:hover { background: #22272f; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-bottom: 24px; }
.step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 20px;
}
.step .num {
  position: absolute; top: -13px; left: 20px;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #241a0c;
  font-weight: 700; font-size: 14px;
}
.step h3 { margin: 4px 0 10px; font-size: 16px; }
.step p { margin: 0; font-size: 14.5px; color: #b9c0ca; }

.note {
  background: #1c2026;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 18px 20px;
}
.note strong { display: block; margin-bottom: 6px; }
.note p { margin: 0; font-size: 14.5px; color: #b9c0ca; }

/* ---------- download ---------- */
.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.link-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--text);
  transition: border-color .14s ease, transform .14s ease;
}
.link-card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); }
.link-card strong { display: block; margin-bottom: 6px; font-size: 16px; }
.link-card span { font-size: 13.5px; color: var(--dim); }

/* ---------- origin ---------- */
.origin { margin: 0 0 14px; max-width: 62em; color: #b9c0ca; }

/* ---------- footer ---------- */
footer { padding: 40px 0 56px; }
footer p { margin: 0 0 6px; font-size: 14px; color: var(--dim); }
footer .tiny { font-size: 12.5px; color: #6e7681; }

@media (max-width: 760px) {
  .hero { padding: 56px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .nav nav { gap: 14px; }
  .nav nav a { font-size: 13px; }
  .section { padding: 48px 0; }
}