:root {
  --bg: #0a0e1a;
  --bg-2: #0e1424;
  --panel: rgba(20, 28, 48, 0.72);
  --panel-solid: #131a2e;
  --line: rgba(120, 160, 255, 0.14);
  --text: #e8ecf8;
  --dim: #8a96b8;
  --cyan: #2af5ff;
  --magenta: #ff3df0;
  --violet: #8b6bff;
  --lime: #b6ff3d;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 背景动效 ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  background-image:
    linear-gradient(rgba(120, 160, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
  animation: gridShift 24s linear infinite;
}
@keyframes gridShift { to { background-position: 44px 44px; } }

.bg-glow {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(42, 245, 255, 0.16), transparent 60%),
    radial-gradient(55% 45% at 85% 5%, rgba(255, 61, 240, 0.14), transparent 60%),
    radial-gradient(70% 60% at 50% 100%, rgba(139, 107, 255, 0.12), transparent 65%);
  animation: glowPulse 12s ease-in-out infinite alternate;
}
@keyframes glowPulse { from { opacity: 0.7; } to { opacity: 1; } }

.bg-particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 18px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(10, 14, 26, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: transform 0.4s var(--ease), background 0.3s;
}
.topbar.hide { transform: translateY(-100%); }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark {
  color: var(--cyan); font-size: 18px; letter-spacing: -3px;
  text-shadow: 0 0 12px var(--cyan);
  animation: blink 2.4s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.35; } }
.brand-name { font-weight: 600; letter-spacing: 1px; font-size: 17px; }
.brand-name b { color: var(--cyan); }

.filters { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: transparent; color: var(--dim);
  padding: 7px 16px; border-radius: 999px; cursor: pointer;
  font-size: 14px; transition: all 0.25s var(--ease); position: relative; overflow: hidden;
}
.chip:hover { color: var(--text); border-color: rgba(42, 245, 255, 0.5); }
.chip.is-active {
  color: #04111a; background: linear-gradient(120deg, var(--cyan), var(--violet));
  border-color: transparent; font-weight: 600;
  box-shadow: 0 0 18px rgba(42, 245, 255, 0.45);
}

.count-badge {
  min-width: 34px; height: 34px; padding: 0 10px; display: grid; place-items: center;
  border-radius: 10px; background: var(--panel-solid); border: 1px solid var(--line);
  color: var(--cyan); font-weight: 700; font-variant-numeric: tabular-nums;
}

/* ---------- 英雄区 ---------- */
.hero {
  min-height: 78vh; display: grid; place-items: center; text-align: center;
  padding: 80px clamp(16px, 5vw, 60px) 60px; position: relative;
}
.hero-inner { max-width: 880px; }
.hero-kicker {
  color: var(--cyan); letter-spacing: 4px; font-size: 13px; font-weight: 600;
  margin-bottom: 18px; opacity: 0; animation: fadeUp 0.8s var(--ease) 0.1s forwards;
}
.hero-title {
  font-size: clamp(38px, 9vw, 96px); font-weight: 800; line-height: 1.02;
  letter-spacing: -1px; position: relative;
  background: linear-gradient(120deg, #fff 20%, var(--cyan) 50%, var(--magenta) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0; animation: fadeUp 0.9s var(--ease) 0.2s forwards;
}
.hero-title::after {
  content: attr(data-text); position: absolute; left: 0; top: 0; width: 100%;
  background: linear-gradient(120deg, var(--magenta), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  clip-path: inset(0 0 0 0); opacity: 0.0; mix-blend-mode: screen;
  animation: glitch 5.5s steps(2) infinite;
}
@keyframes glitch {
  0%, 92%, 100% { opacity: 0; transform: translate(0); }
  93% { opacity: 0.5; transform: translate(-3px, 1px); }
  95% { opacity: 0.5; transform: translate(3px, -1px); }
  97% { opacity: 0.5; transform: translate(-2px, 0); }
}
.hero-sub {
  margin-top: 20px; color: var(--dim); font-size: clamp(15px, 2.4vw, 19px);
  opacity: 0; animation: fadeUp 0.9s var(--ease) 0.35s forwards;
}
.hero-stats {
  margin-top: 38px; display: flex; gap: clamp(18px, 5vw, 54px); justify-content: center;
  flex-wrap: wrap; opacity: 0; animation: fadeUp 0.9s var(--ease) 0.5s forwards;
}
.stat { display: flex; flex-direction: column; }
.stat b { font-size: clamp(26px, 5vw, 40px); color: var(--text); font-variant-numeric: tabular-nums; }
.stat span { color: var(--dim); font-size: 13px; letter-spacing: 1px; }

.scroll-cue {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  color: var(--cyan); font-size: 22px; text-decoration: none;
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 10px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }

/* 分类页紧凑标题（替代主页巨幅 MOMENT） */
.hero-catline {
  font-size: clamp(26px, 5vw, 46px); font-weight: 800; letter-spacing: 1px;
  color: var(--text); margin-bottom: 6px;
  opacity: 0; animation: fadeUp 0.7s var(--ease) 0.2s forwards;
}
/* 仅“主页/全部”显示巨幅标题；分类页隐藏大字，改为紧凑分类标题 */
body:not(.home) .hero { min-height: auto; padding-top: 30px; padding-bottom: 16px; }
body:not(.home) .hero-kicker,
body:not(.home) .hero-title,
body:not(.home) .hero-sub,
body:not(.home) .scroll-cue { display: none; }

/* ---------- 画廊 ---------- */
.gallery-wrap { padding: 10px clamp(16px, 4vw, 48px) 60px; }
.gallery {
  columns: 3 360px; column-gap: 20px; max-width: 1500px; margin: 0 auto;
}
.card {
  break-inside: avoid; margin-bottom: 18px; position: relative;
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  background: var(--panel-solid); border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0; transform: translateY(30px) scale(0.98);
  transition: transform 0.5s var(--ease), box-shadow 0.35s, border-color 0.35s, opacity 0.6s var(--ease);
}
.card.reveal { opacity: 1; transform: translateY(0) scale(1); }
.card:hover {
  transform: translateY(-6px) scale(1.012);
  border-color: rgba(42, 245, 255, 0.55);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55), 0 0 26px rgba(42, 245, 255, 0.25);
}
.card-media { position: relative; width: 100%; display: block; background: #060a14; }
.card-media img.card-poster { width: 100%; display: block; }
.card-media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity 0.35s var(--ease);
  background: #060a14;
}
.card.playing .card-media video { opacity: 1; }
.card-media img, .card-media video { transition: transform 0.6s var(--ease); }
.card:hover .card-media video, .card:hover .card-media img { transform: scale(1.06); }

.card-tag {
  position: absolute; top: 12px; left: 12px; z-index: 3;
  padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 600;
  background: rgba(10, 14, 26, 0.78); backdrop-filter: blur(6px);
  border: 1px solid var(--line); color: var(--cyan); letter-spacing: 0.5px;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.card:hover .card-tag { opacity: 0; transform: translateY(-6px); }
.card-tag[data-cat="other"] { color: var(--lime); }
.card-tag[data-cat="note"] { color: var(--magenta); }

.card-overlay {
  position: absolute; inset: auto 0 0 0; z-index: 2; padding: 14px;
  background: linear-gradient(to top, rgba(6, 10, 20, 0.92), transparent);
  transform: translateY(8px); opacity: 0; transition: all 0.35s var(--ease);
}
.card:hover .card-overlay { transform: translateY(0); opacity: 1; }
.card-title { font-weight: 600; font-size: 15px; }
.card-meta { color: var(--dim); font-size: 12px; margin-top: 2px; }

/* 笔记卡片 */
.card.note .card-media { padding: 22px; min-height: 180px; display: flex; }
.card.note .note-body { font-size: 15px; color: var(--text); white-space: pre-wrap; }
.card.note .note-body::before { content: "✎ "; color: var(--magenta); }

.empty-hint { text-align: center; color: var(--dim); padding: 60px 0; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center;
  background: rgba(4, 7, 14, 0.92); backdrop-filter: blur(10px);
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.lightbox.show { opacity: 1; }
.lightbox[hidden] { display: none; }
.lb-stage {
  max-width: min(96vw, 1600px); max-height: 90vh; border-radius: 12px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); transform: scale(0.92); transition: transform 0.35s var(--ease);
  background: #060a14;
}
.lightbox.show .lb-stage { transform: scale(1); }
.lb-stage video, .lb-stage img { max-width: 100%; max-height: 90vh; display: block; }
.lb-close, .lb-nav {
  position: absolute; z-index: 85; border: 1px solid var(--line); background: var(--panel);
  color: var(--text); cursor: pointer; border-radius: 12px; backdrop-filter: blur(8px);
  transition: all 0.25s var(--ease);
}
.lb-close { top: 20px; right: 20px; width: 46px; height: 46px; font-size: 20px; }
.lb-nav { top: 50%; transform: translateY(-50%); width: 54px; height: 70px; font-size: 30px; }
.lb-prev { left: 18px; } .lb-next { right: 18px; }
.lb-close:hover, .lb-nav:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 16px rgba(42, 245, 255, 0.4); }
.lb-meta {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  text-align: center; color: var(--text); max-width: 90vw;
}
.lb-meta .t { font-weight: 600; font-size: 17px; }
.lb-meta .m { color: var(--dim); font-size: 13px; margin-top: 3px; }

/* ---------- 页脚 ---------- */
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 26px clamp(16px, 4vw, 48px); border-top: 1px solid var(--line);
  color: var(--dim); font-size: 13px;
}
.footer-dim { opacity: 0.7; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) { .gallery { columns: 2 320px; } }
@media (max-width: 760px) {
  .gallery { columns: 2 200px; column-gap: 12px; }
  .topbar { gap: 10px; padding: 12px 16px; }
  .filters { width: 100%; order: 3; margin-left: 0; justify-content: flex-start; }
  .topbar-right { margin-left: auto; }
  .card-overlay { opacity: 1; transform: none; } /* 移动端常显 */
  .lb-nav { width: 44px; height: 58px; font-size: 24px; }
}
@media (max-width: 460px) { .gallery { columns: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::after, *::before { animation: none !important; transition: none !important; }
  .card { opacity: 1; transform: none; }
}