:root {
  --bg: #1A1A1A;
  --panel: #222222;
  --card: #2A2A2A;
  --gold: #C9A227;
  --ink: #F2EFE6;
  --muted: #C4BFAE;
  --line: #3D3D3D;
}

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

html {
  scroll-behavior: auto;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Verdana, Geneva, "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

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

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: #111111;
  border-bottom: 2px solid var(--gold);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-weight: 700;
}

.brand svg {
  width: 34px;
  height: 34px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: flex-end;
}

.nav a {
  color: #E8E2D0;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}

.nav a:hover,
.nav a:focus {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.hero {
  padding: 30px 0 10px;
}

.hero h1 {
  font-size: clamp(26px, 4vw, 36px);
  color: #FFF8E4;
  line-height: 1.28;
  margin-bottom: 12px;
}

.hero p {
  color: var(--muted);
  max-width: 46em;
  margin-bottom: 8px;
}

.section {
  padding: 28px 0;
}

.section h2 {
  font-size: 23px;
  color: #F6E7B2;
  margin-bottom: 14px;
}

.lead {
  color: var(--muted);
  margin-bottom: 18px;
  max-width: 48em;
}

.fast-grid,
.three,
.split {
  display: grid;
  gap: 14px;
}

.fast-grid {
  grid-template-columns: repeat(4, 1fr);
}

.three {
  grid-template-columns: repeat(3, 1fr);
}

.split {
  grid-template-columns: 1fr 1fr;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 16px;
}

.card svg {
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
}

.card h3,
.panel h3 {
  color: #F3E3A6;
  font-size: 17px;
  margin-bottom: 8px;
}

.card p,
.panel p,
.card li {
  color: #E6E1D4;
  font-size: 15px;
}

.card p + p,
.panel p + p {
  margin-top: 8px;
}

.card ul {
  padding-left: 18px;
}

.card li + li {
  margin-top: 6px;
}

.kb-bar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.kb-item {
  border: 1px dashed #5A4D22;
  border-radius: 8px;
  padding: 12px;
  background: #1C1C1C;
}

.kb-item b {
  display: block;
  color: var(--gold);
  margin-bottom: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 13px;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
  color: #EDE8DA;
}

th {
  background: #2F2A1A;
  color: var(--gold);
}

.ol-steps {
  background: var(--panel);
  border-radius: 10px;
  padding: 8px 22px 16px;
}

.ol-steps li {
  margin: 12px 0;
  color: #E6E1D4;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px;
  margin-bottom: 10px;
  border-radius: 8px;
}

.faq-item h3 {
  font-size: 16px;
  color: #F3E3A6;
  margin-bottom: 6px;
}

.faq-item p {
  color: #E6E1D4;
}

.site-footer {
  background: #111111;
  border-top: 2px solid var(--gold);
  color: #D8D2C2;
  padding: 28px 0;
  font-size: 14px;
}

.site-footer p + p {
  margin-top: 8px;
}

@media (max-width: 960px) {
  .fast-grid,
  .three,
  .split,
  .kb-bar {
    grid-template-columns: 1fr;
  }

  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }
}