/* UITG 数字方案：首屏 = 文案 + 真实作品舞台，服务退到一条能力带 */
:root {
  --uitg: #062d4c;
  --blue: #1f5eea;
  --cyan: #1aa0c4;
  --ink: #123047;
  --muted: #5b7388;
  --paper: #eef3f9;
  --line: #d3dfec;
  --white: #fff;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 16px/1.5 "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.dg-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 32px 0;
}
.dg-brand {
  text-decoration: none;
  color: var(--uitg);
  font-weight: 700;
}
.dg-brand span {
  display: block;
  margin-top: 2px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
}
.dg-bar nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.dg-bar nav a:hover { color: var(--blue); }

.dg-hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 32px 8px;
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(420px, 1.25fr);
  gap: 40px;
  align-items: start;
}
.dg-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--uitg);
}
.dg-hero .lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 36rem;
}
.dg-hero .lead a { color: var(--blue); }
.dg-cta {
  display: inline-block;
  background: var(--blue);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(31, 94, 234, 0.28);
}
.dg-cta:hover { background: #174bd0; }
.dg-meta {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--uitg);
  font-size: 0.92rem;
}
.dg-meta li { margin: 0 0 6px; }
.dg-meta b {
  display: inline-block;
  width: 1.8rem;
  color: var(--cyan);
  font-family: ui-monospace, Consolas, monospace;
  font-weight: 600;
}

.dg-device {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 24px 60px rgba(6, 45, 76, 0.12);
  border: 1px solid rgba(6, 45, 76, 0.08);
}
.dg-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  background: linear-gradient(180deg, #f7fafc, #eef2f7);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}
.dg-chrome i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d5dde7;
}
.dg-chrome i:nth-child(1) { background: #ff6b6b; }
.dg-chrome i:nth-child(2) { background: #ffc94a; }
.dg-chrome i:nth-child(3) { background: #3dd68c; }
.dg-chrome span { margin-left: 8px; }
.dg-chrome a {
  margin-left: auto;
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
}
.dg-device iframe {
  display: block;
  width: 100%;
  height: min(62vh, 560px);
  border: 0;
  background: #fff;
}
.dg-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.dg-strip button,
.dg-strip .soon {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--uitg);
  border-radius: 999px;
  padding: 7px 12px;
  font: 600 0.8rem/1.2 inherit;
  cursor: pointer;
}
.dg-strip button.is-on {
  background: var(--uitg);
  border-color: var(--uitg);
  color: #fff;
}
.dg-strip button:hover { border-color: var(--blue); }
.dg-strip .soon {
  opacity: 0.5;
  cursor: default;
}

.dg-caps {
  max-width: 1240px;
  margin: 36px auto 0;
  padding: 0 32px 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.dg-cap {
  display: block;
  padding: 22px 18px 26px 0;
  margin-right: 22px;
  text-decoration: none;
  color: inherit;
  border-right: 1px solid var(--line);
}
.dg-caps .dg-cap:last-child { border-right: 0; margin-right: 0; }
.dg-cap:hover h3 { color: var(--blue); }
.dg-cap .n {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.dg-cap h3 {
  margin: 8px 0 8px;
  font-size: 1.05rem;
  color: var(--uitg);
}
.dg-cap p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.dg-foot {
  max-width: 1240px;
  margin: 28px auto 0;
  padding: 22px 32px 48px;
  font-size: 0.86rem;
  color: var(--muted);
}
.dg-foot nav { margin: 10px 0; }
.dg-foot nav a { margin-right: 14px; color: var(--muted); text-decoration: none; }

@media (max-width: 980px) {
  .dg-hero, .dg-caps { grid-template-columns: 1fr; }
  .dg-cap { border-right: 0; border-bottom: 1px solid var(--line); margin: 0; }
  .dg-device iframe { height: 460px; }
}