:root {
  --bg: #121418;
  --bg-2: #16191f;
  --panel: #1b1f27;
  --line: #2c323c;
  --cyan: #3ecfcf;
  --cyan-dim: #2aa8a8;
  --text: #d8dce4;
  --muted: #9aa3b0;
  --warn: #e6c07b;
  --ink: #0e1014;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  font-size: 16px;
}

img,
svg {
  display: block;
}

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

a:hover {
  color: #7eecec;
}

.deck {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.brand-bar {
  background: #0e1013;
  border-bottom: 1px solid var(--line);
  min-height: 36px;
}

.brand-bar .deck {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
}

.brand svg {
  width: 16px;
  height: 16px;
}

.brand-note {
  color: var(--muted);
  font-size: 12px;
}

.pill-wrap {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}

.pill-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-nav a {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--panel);
  font-size: 14px;
}

.pill-nav a.current,
.pill-nav a:hover {
  background: var(--cyan);
  color: var(--ink);
  border-color: var(--cyan);
}

.hero {
  background: linear-gradient(180deg, #171b22 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
  padding: 36px 0 28px;
}

.hero h1 {
  font-size: 30px;
  line-height: 1.35;
  margin: 12px 0 14px;
  font-weight: 700;
}

.hero .lead {
  color: var(--muted);
  max-width: 820px;
  margin-bottom: 18px;
}

.dl-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 12px;
}

.cyan-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 8px 12px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--cyan);
  text-align: center;
  font-size: 14px;
}

.cyan-cta:hover {
  background: #63dcdc;
  color: var(--ink);
}

.cyan-cta.ghost {
  background: transparent;
  color: var(--cyan);
}

.cyan-cta svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.disclose {
  color: var(--muted);
  font-size: 13px;
}

.chip {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--cyan-dim);
  color: var(--cyan);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.split h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--cyan);
}

.compare-wrap,
.icons-wrap {
  padding: 22px 0 8px;
}

.compare-wrap h2,
.icons-wrap h2,
.slab h2,
.faq-wrap h2 {
  font-size: 22px;
  margin: 8px 0 14px;
}

.icon-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.icon-strip li {
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.icon-strip svg {
  width: 28px;
  height: 28px;
  margin: 0 auto 8px;
  stroke: var(--cyan);
  fill: none;
}

.slab {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  padding: 18px 0 8px;
}

.slab .col-8 {
  grid-column: span 8;
}

.slab .col-4 {
  grid-column: span 4;
  position: sticky;
  top: 12px;
  align-self: start;
}

.slab p,
.faq-wrap p,
.split p {
  margin-bottom: 12px;
}

.slab h2 {
  padding-top: 8px;
}

.side-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}

.side-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.side-card .cyan-cta {
  width: 100%;
  margin-top: 8px;
}

.risk-box {
  border-color: #4a4030;
  background: #1c1a16;
}

.risk-box h3 {
  color: var(--warn);
}

.row-news {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.row-news time {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.news-list {
  margin: 8px 0 18px;
}

.faq-wrap {
  padding: 10px 0 28px;
}

.qa-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.qa-duo article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 10px;
}

.qa-duo h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.qa-duo p {
  color: var(--muted);
  font-size: 14px;
}

footer {
  border-top: 1px solid var(--line);
  background: #0e1013;
  padding: 20px 0 28px;
  color: var(--muted);
  font-size: 13px;
}

footer p {
  margin-bottom: 8px;
}

@media (max-width: 960px) {
  .dl-row,
  .split,
  .qa-duo,
  .icon-strip {
    grid-template-columns: 1fr 1fr;
  }

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

  .slab .col-8,
  .slab .col-4 {
    grid-column: auto;
    position: static;
  }

  .hero h1 {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .dl-row,
  .icon-strip,
  .split,
  .qa-duo {
    grid-template-columns: 1fr;
  }

  .row-news {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}