/* ============================================================
   主题 25 · 幻影流光 (Phantom Glow)
   暗紫幻影透明效果，幽灵般的光影变幻如神秘夜景摄影集
   ============================================================ */
:root{
  --c-bg:#0a0a18;
  --c-bg-grad:radial-gradient(circle at 18% 14%,rgba(139,92,246,.20),transparent 45%),
              radial-gradient(circle at 82% 22%,rgba(217,70,239,.16),transparent 45%),
              radial-gradient(circle at 50% 95%,rgba(168,85,247,.13),transparent 50%),
              linear-gradient(165deg,#0a0a18,#16142a);
  --c-surface:rgba(22,22,46,.72);
  --c-surface-2:rgba(32,30,60,.60);
  --c-text:#f3f0ff;
  --c-muted:#9b94c8;
  --c-accent:#8b5cf6;
  --c-accent-2:#d946ef;
  --c-on-accent:#0a0a18;
  --c-border:rgba(139,92,246,.16);
  --font-display:'Trebuchet MS','PingFang SC',sans-serif;
  --hero-grad:linear-gradient(115deg,#8b5cf6,#d946ef 45%,#c084fc);
  --nav-bg:rgba(10,10,24,.60);
  --nav-blur:blur(18px);
  --shadow:0 22px 55px rgba(139,92,246,.30);
  --radius:18px;
}
/* 幻影光影层 —— 幽灵般飘移变幻的紫光 */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(45% 35% at 24% 28%,rgba(139,92,246,.20),transparent 70%),
    radial-gradient(40% 30% at 76% 38%,rgba(217,70,239,.18),transparent 70%),
    radial-gradient(50% 38% at 48% 82%,rgba(168,85,247,.16),transparent 70%),
    radial-gradient(35% 28% at 62% 60%,rgba(196,132,252,.12),transparent 70%);
  filter:blur(12px);
  animation:phantomShift 16s ease-in-out infinite alternate;
}
@keyframes phantomShift{
  0%{transform:translate3d(-3%,2%,0) scale(1.02) rotate(0deg);opacity:.8}
  50%{transform:translate3d(2%,-1%,0) scale(1.06) rotate(2deg);opacity:1}
  100%{transform:translate3d(-1%,-2%,0) scale(1.04) rotate(-1deg);opacity:.9}
}
/* 标题：纤细字重 + 渐变流光闪烁 */
.hero h1{font-weight:300;letter-spacing:-1.5px}
.hero h1 .grad{
  background:linear-gradient(115deg,#8b5cf6,#d946ef 40%,#c084fc 70%,#8b5cf6);
  background-size:220% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:800;animation:phantomShimmer 7s linear infinite;
}
@keyframes phantomShimmer{to{background-position:220% center}}
/* 玻璃质感卡片 */
.album-card{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(139,92,246,.18)}
.album-card:hover{box-shadow:0 0 0 1px rgba(217,70,239,.45),0 34px 70px rgba(139,92,246,.40);border-color:rgba(217,70,239,.50)}
.album-info{background:rgba(20,20,44,.50)}
.album-info h3{font-weight:600}
.album-badge{background:linear-gradient(115deg,#8b5cf6,#d946ef);color:#0a0a18;border:none}
.album-meta{border-top-color:rgba(139,92,246,.14)}
.album-meta .view{color:#d946ef}
.section-head .kicker{background:linear-gradient(115deg,#8b5cf6,#d946ef);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:5px}
.about-visual{background:linear-gradient(135deg,#3a1c7e,#8b5cf6 45%,#d946ef);background-size:200% auto;animation:phantomShimmer 9s linear infinite;box-shadow:0 0 60px rgba(139,92,246,.40)}
.eyebrow{background:linear-gradient(115deg,#8b5cf6,#d946ef,#c084fc) !important;color:#0a0a18 !important;letter-spacing:3px}
.btn.primary{background:linear-gradient(115deg,#8b5cf6,#d946ef);color:#0a0a18;box-shadow:0 12px 30px rgba(139,92,246,.45)}
.btn.ghost{background:rgba(255,255,255,.05);color:#f3f0ff;border-color:rgba(139,92,246,.22)}
.divider{background:linear-gradient(115deg,#8b5cf6,#d946ef)}
.footer{background:#040410;border-top:1px solid rgba(139,92,246,.10)}
.logo-mark{box-shadow:0 6px 24px rgba(139,92,246,.55)}
.nav-menu a:hover{color:#8b5cf6;background:rgba(139,92,246,.10)}
.ts-swatch.ts-phantom{background:linear-gradient(135deg,#8b5cf6,#c084fc,#d946ef)}
.shape.s1{background:#8b5cf6 !important;opacity:.22 !important}
.shape.s2{background:#d946ef !important;opacity:.20 !important}