/* Console / docs hybrid. Full-width chrome, not a centered 1120 marketing shell. */

:root {
  --bg: #111827;
  --panel: #1f2937;
  --line: #374151;
  --ink: #e5e7eb;
  --gold: #c9a227;
  --head: #0f172a;
  --foot: #030712;
  --rail: #0b1220;
  --muted: #9ca3af;
  --soft: #d1d5db;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

h1,
h2,
h3,
.brand,
.rail-kicker,
dt {
  font-family: Georgia, "Songti SC", "SimSun", serif;
}

a {
  color: var(--gold);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.mast {
  background: var(--head);
  width: 100%;
  border-bottom: 2px solid var(--gold);
}

.mast-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 0 18px;
}

.brand {
  color: var(--gold);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.topnav a {
  color: var(--ink);
  padding: 8px 14px;
  border: 1px solid transparent;
}

.topnav a.is-now {
  color: var(--gold);
  border-color: var(--gold);
  background: #111827;
}

.topnav a:hover {
  text-decoration: none;
  color: var(--gold);
}

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  align-items: start;
  width: 100%;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  width: 240px;
  background: var(--rail);
  border-right: 1px solid var(--line);
  padding: 14px 8px 28px;
}

.rail-kicker {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 10px 10px;
}

.rail a {
  display: block;
  width: 100%;
  text-align: left;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-left: 2px solid transparent;
  padding: 7px 10px;
  font-size: 13px;
  line-height: 1.45;
}

.rail a:hover {
  border-left-color: var(--gold);
  color: var(--gold);
  text-decoration: none;
  background: #111827;
}

.col {
  min-width: 0;
  padding: 22px 26px 52px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px 24px;
  margin: 0 0 18px;
}

h1 {
  color: #fff;
  font-size: 30px;
  line-height: 1.35;
  margin: 0 0 14px;
}

h2 {
  color: #fff;
  font-size: 22px;
  line-height: 1.4;
  margin: 0 0 14px;
  padding: 0 0 8px;
  border-bottom: 2px solid var(--gold);
}

h3 {
  color: #fff;
  font-size: 17px;
  margin: 18px 0 8px;
}

.lead {
  font-size: 17px;
  color: var(--soft);
  margin: 0 0 14px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.chip {
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 3px 10px;
  font-size: 13px;
}

.btn-win {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gold);
  color: #111827;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  padding: 16px 28px;
  min-height: 58px;
  border: 0;
}

.btn-win:hover {
  text-decoration: none;
  color: #111827;
  filter: brightness(1.06);
}

.os-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}

.btn-os {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111827;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 16px;
  font-size: 14px;
}

.btn-os:hover {
  text-decoration: none;
  background: #0b1220;
}

.btn-in {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111827;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 16px;
}

.btn-in:hover {
  text-decoration: none;
}

p {
  margin: 0 0 12px;
}

ul,
ol {
  margin: 0 0 12px 1.25em;
}

li {
  margin: 0 0 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 16px;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

thead th {
  background: var(--rail);
  color: var(--gold);
  font-weight: 700;
}

.review {
  display: block;
  background: #172033;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  padding: 12px 14px;
  margin: 0 0 10px;
}

.review .who {
  color: var(--gold);
  font-size: 14px;
  margin: 0 0 6px;
}

.news {
  margin: 0;
}

.news dt {
  color: var(--gold);
  margin: 12px 0 4px;
}

.news dd {
  margin: 0;
  color: var(--soft);
}

.faq h3 {
  margin-top: 20px;
}

.muted {
  color: var(--muted);
}

.foot {
  background: var(--foot);
  color: var(--muted);
  padding: 22px 26px 28px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
}

.foot p {
  margin: 0 0 8px;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: relative;
    top: auto;
    width: 100%;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-kicker {
    width: 100%;
  }

  .rail a {
    width: auto;
  }

  .col {
    padding: 16px;
  }

  h1 {
    font-size: 24px;
  }
}