/* Theme 04 · Violet Dusk — 深靛顶栏 + 浅紫内容区 */
:root {
  --bg-deep: #edeaf7;
  --bg: #f4f2fc;
  --bg-card: #ffffff;
  --bg-card2: #faf8ff;
  --panel: #ebe6fa;
  --text: #130b24;
  --text-soft: #2d2148;
  --muted: #5b5270;
  --line: rgba(76, 29, 149, 0.1);
  --line-strong: rgba(109, 40, 217, 0.38);
  --accent: #6d28d9;
  --accent-dim: #5b21b6;
  --accent-blue: #2563eb;
  --accent-blue-dim: #1d4ed8;
  --accent-violet: #7c3aed;
  --accent-violet-dim: #6d28d9;
  --accent-amber: #d97706;
  --accent-amber-dim: #b45309;
  --accent-coral: #db2777;
  --accent-sky: #0891b2;
  --gold: #b45309;
  --gold-soft: rgba(217, 119, 6, 0.12);
  --shadow: 0 18px 48px rgba(45, 33, 72, 0.08);
  --shadow-soft: 0 10px 32px rgba(91, 33, 182, 0.07);
  --glow: 0 8px 32px rgba(109, 40, 217, 0.14);
  --glow-blue: 0 8px 32px rgba(37, 99, 235, 0.11);
  --glow-violet: 0 8px 32px rgba(124, 58, 237, 0.13);
  --radius: 17px;
  --radius-sm: 12px;
  --mesh-base: linear-gradient(180deg, #faf7ff 0%, #efe9fb 50%, #e6def7 100%);
  --mesh-side-violet: rgba(109, 40, 217, 0.15);
  --mesh-side-teal: rgba(8, 145, 178, 0.09);
  --mesh-side-blue: rgba(37, 99, 235, 0.1);
  --mesh-side-amber: rgba(217, 119, 6, 0.1);
}

html { background-color: #ddd5f0; }

body {
  background-image:
    radial-gradient(ellipse 52% 120% at -15% 50%, var(--mesh-side-violet), transparent 55%),
    radial-gradient(ellipse 40% 85% at -8% 72%, rgba(190, 24, 93, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 118% at 115% 48%, var(--mesh-side-teal), transparent 54%),
    radial-gradient(ellipse 38% 80% at 108% 22%, var(--mesh-side-blue), transparent 48%),
    radial-gradient(ellipse 420px 360px at 0% 0%, rgba(219, 39, 119, 0.06), transparent 55%),
    radial-gradient(ellipse 380px 300px at 100% 100%, var(--mesh-side-amber), transparent 52%),
    radial-gradient(ellipse 900px 480px at 50% -5%, rgba(91, 33, 182, 0.07), transparent 60%),
    linear-gradient(90deg,
      rgba(109, 40, 217, 0.08) 0%,
      rgba(255, 255, 255, 0) clamp(120px, 18vw, 340px),
      rgba(255, 255, 255, 0) calc(100% - clamp(120px, 18vw, 340px)),
      rgba(8, 145, 178, 0.07) 100%),
    var(--mesh-base);
  background-attachment: fixed;
}

.topbar {
  background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(30, 27, 75, 0.35);
  backdrop-filter: none;
}
.topbar .brand-title { color: #f8fafc; }
.topbar .brand-sub { color: rgba(226, 232, 240, 0.75); }
.topbar .nav a {
  color: rgba(248, 250, 252, 0.88);
}
.topbar .nav a:nth-child(1):hover {
  background: rgba(45, 212, 191, 0.18);
  color: #5eead4;
}
.topbar .nav a:nth-child(2):hover {
  background: rgba(96, 165, 250, 0.2);
  color: #93c5fd;
}
.topbar .nav a:nth-child(3):hover {
  background: rgba(196, 181, 253, 0.2);
  color: #ddd6fe;
}
.topbar .nav a:nth-child(n+4):hover {
  background: rgba(251, 191, 36, 0.15);
  color: #fcd34d;
}
.topbar .logo-auto span { color: #fff; }

.h1 {
  background: linear-gradient(125deg, #1e1b4b 0%, var(--accent-dim) 45%, var(--accent-sky) 75%, #db2777 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #a78bfa, var(--accent-dim));
  box-shadow: 0 8px 28px rgba(109, 40, 217, 0.28);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(109, 40, 217, 0.38); }

.nav a:nth-child(1):hover {
  background: rgba(109, 40, 217, 0.12);
  color: var(--accent-dim);
}
.nav a:nth-child(2):hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}
.nav a:nth-child(3):hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent-violet);
}
.nav a:nth-child(n+4):hover { background: var(--gold-soft); color: var(--gold); }

/* 内容区导航悬停仍用浅色规则；顶栏已单独写 */
.hero-side-card::before {
  background: linear-gradient(90deg, #6366f1, var(--accent), #db2777, var(--accent-sky), #22d3ee);
}

/* —— 版式：桌面端「图示在左、标题在右」+ 资讯条块略抬升 —— */
@media (min-width: 901px) {
  .hero-grid {
    grid-template-columns: 1fr 1.12fr;
  }
  .hero-grid > div:first-child {
    order: 2;
  }
  .hero-grid > .hero-card-shell {
    order: 1;
  }
}
@media (max-width: 900px) {
  .hero-grid > div:first-child,
  .hero-grid > .hero-card-shell {
    order: unset;
  }
}
.news-list .news-item {
  border-radius: var(--radius-sm);
  padding: 1.05rem 1.2rem;
}
.crumb {
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 18px;
}
.section-head .section-title {
  flex-wrap: wrap;
}

/* —— 气质Ⅱ：夜赛霓虹 · 玻璃侧卡 + 圆点章节标 + 脚注圆角 —— */
.hero-side-card {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.9), rgba(244, 242, 252, 0.94));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(109, 40, 217, 0.16);
}
.section-title::before {
  border-radius: 999px;
  width: 10px;
  height: 10px;
  margin-top: 0.4em;
  align-self: flex-start;
}
.quote {
  border: 1px solid rgba(99, 102, 241, 0.22);
  box-shadow: 0 10px 32px rgba(49, 46, 129, 0.08);
  border-radius: var(--radius-sm);
}
.footer-panel {
  border-radius: var(--radius);
  border: 1px solid rgba(109, 40, 217, 0.1);
}
.topbar .nav a {
  border-radius: 10px;
}