:root {
  --bg: #050507;
  --text: #eceaf4;
  --muted: #8a879c;
  --iri1: #b9a8ff;  /* lavender */
  --iri2: #6fe6ff;  /* cyan     */
  --iri3: #ff9ad5;  /* pink     */
  --stroke: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.035);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6; overflow-x: hidden; cursor: none;
}
a { color: inherit; text-decoration: none; }

/* 3D 粒子画布铺满背景 */
#gl { position: fixed; inset: 0; z-index: -2; display: block; }
.vignette { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 35%, transparent 40%, rgba(0,0,0,.55) 100%); }
.grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .045;
  background-image: radial-gradient(rgba(255,255,255,.9) .5px, transparent .5px); background-size: 3px 3px; }

/* 自定义光标 */
.cursor, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none;
  border-radius: 50%; transform: translate(-50%, -50%); }
.cursor { width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.4); mix-blend-mode: difference;
  transition: width .25s, height .25s, background .25s, border-color .25s; }
.cursor.grow { width: 70px; height: 70px; background: rgba(255,255,255,.07); border-color: transparent; }
.cursor-dot { width: 5px; height: 5px; background: #fff; }

/* 虹彩/铬质文字 */
.iri { background: linear-gradient(110deg, #fff 0%, var(--iri1) 28%, var(--iri2) 52%, var(--iri3) 74%, #fff 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: sheen 8s linear infinite; }
@keyframes sheen { to { background-position: 250% 0; } }

/* 导航 */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; gap: 28px;
  padding: 24px 6vw; transition: all .4s; border-bottom: 1px solid transparent; }
.nav.scrolled { padding: 14px 6vw; background: rgba(5,5,7,.55); backdrop-filter: blur(16px); border-color: var(--stroke); }
.brand { font-weight: 800; letter-spacing: 3px; font-size: 1.05rem; }
.nav .links { margin-left: auto; display: flex; gap: 30px; font-size: .9rem; color: var(--muted); letter-spacing: .5px; }
.nav .links a { position: relative; transition: color .25s; }
.nav .links a:hover { color: var(--text); }

/* 按钮 */
.btn { position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px;
  border-radius: 999px; font-size: .92rem; font-weight: 600; letter-spacing: .3px; cursor: none;
  border: 1px solid var(--stroke); color: var(--text); background: var(--glass); backdrop-filter: blur(8px);
  transition: transform .25s, box-shadow .3s, border-color .3s; overflow: hidden; }
.btn:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.25); }
.btn-primary { border: none; color: #07060c;
  background: linear-gradient(110deg, var(--iri1), var(--iri2) 50%, var(--iri3)); background-size: 200% 100%;
  box-shadow: 0 14px 50px -12px var(--iri1); animation: sheen 7s linear infinite; }
.btn-primary:hover { box-shadow: 0 20px 60px -10px var(--iri2); }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: flex-end;
  align-items: center; text-align: center; padding: 0 6vw 13vh; }
.tagline { font-size: .78rem; letter-spacing: 5px; text-transform: uppercase; color: var(--muted);
  margin-bottom: 28px; display: flex; align-items: center; gap: 12px; }
.tagline::before, .tagline::after { content: ""; width: 40px; height: 1px; background: var(--stroke); }
.hero h1 { font-size: clamp(2.8rem, 8.5vw, 7rem); font-weight: 800; line-height: .98; letter-spacing: -2px;
  margin-bottom: 28px; }
.hero p.sub { max-width: 600px; color: var(--muted); font-size: 1.16rem; margin-bottom: 40px; }
.hero .actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.scroll-hint { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); color: var(--muted);
  font-size: .72rem; letter-spacing: 3px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.scroll-hint .line { width: 1px; height: 48px; background: linear-gradient(var(--muted), transparent);
  animation: drop 1.8s ease-in-out infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 区块通用 + 滚动揭示 */
section { position: relative; padding: 140px 6vw; }
.eyebrow { font-size: .76rem; letter-spacing: 4px; text-transform: uppercase; margin-bottom: 16px;
  background: linear-gradient(90deg, var(--iri2), var(--iri1)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2 { font-size: clamp(2.1rem, 5vw, 3.8rem); font-weight: 800; letter-spacing: -1px; line-height: 1.05; margin-bottom: 18px; }
.lead { color: var(--muted); max-width: 560px; font-size: 1.1rem; }
.center { text-align: center; margin: 0 auto 72px; }
[data-reveal] { opacity: 0; transform: translateY(46px); filter: blur(8px);
  transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1), filter 1s; }
[data-reveal].in { opacity: 1; transform: none; filter: none; }

/* 品牌滚动条 */
.marquee { overflow: hidden; padding: 22px 0; border-top: 1px solid var(--stroke); border-bottom: 1px solid var(--stroke);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee .track { display: flex; gap: 64px; width: max-content; animation: scrollx 26s linear infinite; }
.marquee .track span { color: var(--muted); font-weight: 700; font-size: 1.4rem; letter-spacing: 2px; opacity: .5; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* 悬浮 3D 玻璃卡片 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 26px; perspective: 1200px; }
.card { position: relative; padding: 36px; border-radius: 24px; border: 1px solid var(--stroke);
  background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.012)); backdrop-filter: blur(12px);
  transform-style: preserve-3d; transition: transform .15s ease-out; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0; border-radius: 24px; padding: 1px;
  background: linear-gradient(140deg, var(--iri2), transparent 38%, transparent 62%, var(--iri3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .4s; }
.card:hover::before { opacity: 1; }
.card .num { font-size: .8rem; letter-spacing: 2px; color: var(--muted); transform: translateZ(30px); }
.card h3 { font-size: 1.4rem; margin: 14px 0 10px; transform: translateZ(40px); }
.card p { color: var(--muted); transform: translateZ(22px); }
.card .orb { position: absolute; width: 200px; height: 200px; border-radius: 50%; filter: blur(60px);
  top: -70px; right: -70px; opacity: 0; transition: opacity .4s;
  background: radial-gradient(circle, var(--iri1), transparent 70%); }
.card:hover .orb { opacity: .4; }

/* 3D 环形卡片轮播（作品） */
.work .center { margin-bottom: 30px; }
.stage { perspective: 1500px; height: 480px; display: flex; align-items: center; justify-content: center;
  cursor: grab; user-select: none; }
.stage:active { cursor: grabbing; }
.ring { position: relative; width: 300px; height: 400px; transform-style: preserve-3d; will-change: transform; }
.pcard { position: absolute; inset: 0; border-radius: 22px; overflow: hidden; backface-visibility: hidden;
  border: 1px solid rgba(255,255,255,.14); box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; }
.pcard::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.18) 47%, transparent 60%);
  background-size: 250% 250%; animation: sweep 5s linear infinite; }
@keyframes sweep { to { background-position: -250% 0; } }
.pcard .tag { position: absolute; top: 22px; left: 26px; font-size: .72rem; letter-spacing: 2px;
  color: rgba(255,255,255,.8); }
.pcard h4 { font-size: 1.7rem; font-weight: 800; letter-spacing: -.5px; }
.pcard p { color: rgba(255,255,255,.75); font-size: .92rem; }
.pcard:nth-child(1){ background:
  radial-gradient(60% 50% at 28% 24%, rgba(124,92,255,.85), transparent 60%),
  radial-gradient(55% 45% at 78% 72%, rgba(24,224,255,.55), transparent 60%),
  radial-gradient(45% 45% at 60% 45%, rgba(255,154,213,.45), transparent 60%), #06060e; }
.pcard:nth-child(2){ background:
  radial-gradient(60% 50% at 70% 25%, rgba(24,224,255,.8), transparent 60%),
  radial-gradient(55% 45% at 25% 75%, rgba(124,92,255,.6), transparent 60%),
  radial-gradient(40% 40% at 55% 55%, rgba(120,255,214,.35), transparent 60%), #05080e; }
.pcard:nth-child(3){ background:
  radial-gradient(60% 50% at 30% 70%, rgba(255,154,213,.8), transparent 60%),
  radial-gradient(55% 45% at 75% 25%, rgba(180,120,255,.6), transparent 60%),
  radial-gradient(45% 45% at 55% 50%, rgba(255,120,170,.4), transparent 60%), #0b060e; }
.pcard:nth-child(4){ background:
  radial-gradient(60% 50% at 72% 70%, rgba(124,92,255,.8), transparent 60%),
  radial-gradient(55% 45% at 25% 28%, rgba(24,224,255,.55), transparent 60%),
  radial-gradient(40% 40% at 55% 50%, rgba(200,168,255,.4), transparent 60%), #07060f; }
.pcard:nth-child(5){ background:
  radial-gradient(60% 50% at 30% 30%, rgba(120,255,214,.7), transparent 60%),
  radial-gradient(55% 45% at 75% 72%, rgba(124,92,255,.6), transparent 60%),
  radial-gradient(45% 45% at 55% 50%, rgba(24,224,255,.4), transparent 60%), #05090d; }
.pcard:nth-child(6){ background:
  radial-gradient(60% 50% at 70% 30%, rgba(255,154,213,.75), transparent 60%),
  radial-gradient(55% 45% at 25% 70%, rgba(24,224,255,.5), transparent 60%),
  radial-gradient(40% 40% at 55% 50%, rgba(180,120,255,.45), transparent 60%), #0a060e; }
.pcard:nth-child(7){ background:
  radial-gradient(60% 50% at 30% 65%, rgba(124,92,255,.8), transparent 60%),
  radial-gradient(55% 45% at 78% 30%, rgba(255,154,213,.55), transparent 60%),
  radial-gradient(45% 45% at 55% 50%, rgba(120,255,214,.35), transparent 60%), #06070f; }
.work .hint { text-align: center; color: var(--muted); font-size: .78rem; letter-spacing: 2px; margin-top: 18px; }

/* 电影感引言 + 视差 */
.statement { text-align: center; }
.statement .big { font-size: clamp(2rem, 6vw, 4.6rem); font-weight: 800; letter-spacing: -1.5px; line-height: 1.08;
  max-width: 1000px; margin: 0 auto; }

/* 统计 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 30px; text-align: center; }
.stat .v { font-size: clamp(2.6rem, 5vw, 4.2rem); font-weight: 800; }
.stat .l { color: var(--muted); letter-spacing: 1px; font-size: .88rem; }

/* CTA */
.cta { position: relative; text-align: center; padding: 100px 6vw; border-radius: 34px; overflow: hidden;
  border: 1px solid var(--stroke); background: linear-gradient(160deg, rgba(185,168,255,.12), rgba(5,5,7,.4)); }
.cta h2 { font-size: clamp(2rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 28px; }

footer { padding: 60px 6vw; border-top: 1px solid var(--stroke); color: var(--muted);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: .88rem; letter-spacing: .5px; }

@media (max-width: 820px) {
  .nav .links { display: none; }
  body { cursor: auto; }
  .cursor, .cursor-dot { display: none; }
}