/* 首页高级感强化：沿用品牌紫，提升字体/大气/能力区层次 */
:root{
  --font-sans: "Sora", "Noto Sans SC", ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Sora", "Noto Sans SC", ui-sans-serif, system-ui, "PingFang SC", sans-serif;
}
body{
  font-family: var(--font-sans);
}
body::before{
  background:
    radial-gradient(circle at 12% -8%, rgba(110,33,254,.12), transparent 34rem),
    radial-gradient(circle at 88% 8%, rgba(16,163,127,.08), transparent 30rem),
    radial-gradient(circle at 50% 42%, rgba(77,8,207,.04), transparent 40rem),
    linear-gradient(180deg, #F7F5FF 0%, #F3F5FA 42%, #F5F6FA 100%);
}
.home-shell .hero h1{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.045em;
}
.home-shell .hero-definition{
  max-width: 640px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #3d4150;
}
.home-shell .command-panel{
  border-color: rgba(110,33,254,.14);
  box-shadow:
    0 30px 80px rgba(26,26,46,.12),
    0 2px 10px rgba(26,26,46,.04);
}
.home-shell .stats-counter{
  margin-top: 18px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(20,20,43,.08);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(10px);
}
.home-shell .stat-num{
  padding: 24px 26px;
}
.home-shell .stat-num strong{
  font-family: var(--font-display);
  letter-spacing: -.03em;
}

.capability-section{
  position: relative;
  padding: 84px 0 36px;
}
.capability-section::before{
  content: "";
  position: absolute;
  inset: 24px 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(110,33,254,.18), transparent);
}
.capability-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}
.capability-card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  padding: 26px 24px 22px;
  border: 1px solid rgba(20,20,43,.08);
  border-radius: 20px;
  background:
    linear-gradient(160deg, rgba(255,255,255,.98), rgba(246,247,255,.94)),
    radial-gradient(circle at 100% 0, rgba(110,33,254,.10), transparent 46%);
  box-shadow: 0 18px 48px rgba(26,26,46,.06);
  overflow: hidden;
  transition: transform .24s cubic-bezier(.2,.7,.2,1), box-shadow .24s ease, border-color .24s ease;
}
.capability-card::after{
  content: "";
  position: absolute;
  right: -20%;
  top: -30%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110,33,254,.12), transparent 70%);
  pointer-events: none;
}
.capability-card:hover{
  transform: translateY(-5px);
  border-color: rgba(110,33,254,.28);
  box-shadow: 0 28px 60px rgba(77,8,207,.14);
  color: inherit;
}
.capability-card--accent{
  background: linear-gradient(155deg, #171528 0%, #2B1A55 58%, #3A2070 100%);
  border-color: transparent;
  color: #fff;
}
.capability-card--accent::after{
  background: radial-gradient(circle, rgba(167,139,250,.28), transparent 70%);
}
.capability-card--accent p,
.capability-card--accent .capability-kicker{ color: rgba(255,255,255,.72); }
.capability-card--accent h3{ color: #fff; }
.capability-card--accent .text-link{ color: #D9CBFF; }
.capability-kicker{
  position: relative;
  z-index: 1;
  font: 700 10px/1 var(--font-mono, ui-monospace, monospace);
  letter-spacing: .16em;
  color: var(--primary, #6E21FE);
}
.capability-card h3{
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  letter-spacing: -.03em;
}
.capability-card p{
  position: relative;
  z-index: 1;
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary, #575B66);
}
.capability-card .text-link{
  position: relative;
  z-index: 1;
  font-size: 13px;
  font-weight: 650;
}

.home-shell .trust-strip{
  padding-top: 36px !important;
}
.home-shell .section-intro h2{
  font-family: var(--font-display);
  letter-spacing: -.04em;
}

@media (max-width: 1100px){
  .capability-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px){
  .capability-section{ padding: 56px 0 16px; }
  .capability-grid{ grid-template-columns: 1fr; }
  .capability-card{ min-height: 0; }
}