/* ============================================================
   字影万像 · 基础层（reset / 布局 / 导航 / Hero / 画廊 / CTA / 灯箱）
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
::selection{background:rgba(124,92,255,.22)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ===== 柔和极光 + 颗粒（设计感来源） ===== */
.aurora{position:fixed;inset:-20% -10% auto -10%;height:120vh;z-index:0;pointer-events:none;
  filter:blur(80px) saturate(120%);opacity:.5;
  background:
    radial-gradient(38% 36% at 20% 20%,rgba(124,92,255,.34),transparent 60%),
    radial-gradient(34% 32% at 82% 16%,rgba(22,184,214,.26),transparent 60%),
    radial-gradient(42% 38% at 70% 74%,rgba(239,95,160,.22),transparent 62%),
    radial-gradient(40% 34% at 28% 82%,rgba(90,130,255,.20),transparent 60%);
  animation:drift 24s ease-in-out infinite alternate;}
@keyframes drift{0%{transform:translate3d(-2%,-1%,0) scale(1)}100%{transform:translate3d(3%,2%,0) scale(1.08)}}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");}

.wrap{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;
  backdrop-filter:blur(16px);background:rgba(245,246,249,.55);
  border-bottom:1px solid transparent;transition:.3s;}
.nav.scrolled{background:rgba(245,246,249,.82);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:.04em;font-size:17px}
.brand .mk{width:30px;height:30px;border-radius:9px;background:var(--sig);
  box-shadow:0 6px 18px rgba(124,92,255,.35);position:relative}
.brand .mk::after{content:"";position:absolute;inset:7px;border-radius:5px;background:#fff;opacity:.95}
.brand b{background:var(--sig);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:26px;margin-left:8px;font-size:14px;color:var(--mut)}
.nav-links a{position:relative;transition:.2s}.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;
  background:var(--sig);transition:.25s}
.nav-links a:hover::after{right:0}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.credits{font-size:13px;color:var(--mut)}
.credits b{color:#c8841a}
.av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#c9c2ee,#e7b9d6);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#3a2f4a;border:1px solid var(--line2);cursor:pointer;transition:.2s}
.av:hover{border-color:var(--ink)}
.burger{display:none}

/* ===== 入场动画 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.18s}.d3{transition-delay:.28s}

/* ===== Hero ===== */
.hero{position:relative;z-index:2;padding:150px 0 50px;display:grid;
  grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;min-height:86vh}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--mut);margin-bottom:24px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c)}
.hero h1{font-size:clamp(40px,5.4vw,74px);line-height:1.04;font-weight:600;letter-spacing:-.01em}
.hero h1 .em{background:var(--sig);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:22px;font-size:16.5px;color:var(--mut);max-width:460px}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:13px;
  font-size:14.5px;font-weight:600;transition:.22s}
.btn-pri{background:var(--sig);color:#fff;box-shadow:0 10px 30px rgba(124,92,255,.32)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(124,92,255,.45)}
.btn-ghost{border:1px solid var(--line2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(20,21,28,.04)}

/* Hero 作品轮播 */
.stage{position:relative}
.carousel{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line2);
  aspect-ratio:4/5;box-shadow:0 30px 70px rgba(40,40,80,.16);cursor:pointer}
.carousel .slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.carousel .slide.on{opacity:1}
.carousel .slide .art{width:100%;height:100%;display:block}
.carousel .ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(10,10,18,.45) 75%);
  pointer-events:none}
.carousel .info{position:absolute;bottom:0;left:0;right:0;padding:20px 16px 14px;z-index:2}
.carousel .info .title{color:#fff;font-weight:700;font-size:15px;margin-bottom:3px;text-shadow:0 1px 8px rgba(0,0,0,.25)}
.carousel .info .sub{color:rgba(255,255,255,.82);font-size:12px;text-shadow:0 1px 6px rgba(0,0,0,.2)}
.carousel .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  display:grid;place-items:center;font-size:22px;color:var(--ink);opacity:0;transition:.3s;box-shadow:0 12px 28px rgba(40,40,80,.15)}
.carousel:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.carousel .tag{position:absolute;top:14px;left:14px;font-size:11px;font-weight:700;padding:4px 11px;border-radius:9px;
  color:#fff;backdrop-filter:blur(8px);z-index:2}
.carousel .tag.img{background:rgba(124,92,255,.85)}
.carousel .tag.vid{background:rgba(22,184,214,.85)}
.carousel .tag.ad{background:rgba(255,122,89,.9)}
.carousel-dots{position:absolute;bottom:-32px;left:50%;transform:translateX(-50%);display:flex;gap:7px;z-index:2}
.carousel-dots span{width:7px;height:7px;border-radius:50%;background:var(--mut2);transition:.25s;cursor:pointer}
.carousel-dots span.on{background:var(--ink);width:20px;border-radius:4px}
.dock{margin-top:36px;display:flex;gap:10px;
  padding:11px 14px;background:rgba(255,255,255,.8);backdrop-filter:blur(18px);
  border:1px solid var(--line2);border-radius:16px;box-shadow:0 12px 34px rgba(40,40,80,.12)}
.dock input{flex:1;background:transparent;border:none;outline:none;color:var(--ink);
  font-size:14px;padding:8px 6px}
.dock input::placeholder{color:var(--mut2)}
.dock .go{width:42px;height:42px;border-radius:11px;background:var(--sig);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;transition:.2s}
.dock .go:hover{transform:scale(1.05)}

/* ===== 风格跑马灯 ===== */
.marquee{position:relative;z-index:2;margin:70px 0 0;overflow:hidden;
  -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:inline-flex;gap:14px;white-space:nowrap;animation:scroll 32s linear infinite}
.marquee .track span{font-size:13px;color:var(--mut);padding:7px 16px;border:1px solid var(--line);
  border-radius:99px;background:rgba(255,255,255,.5)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== 能力带（图片 / 视频 / 电商广告） ===== */
.pillars{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:34px 0 20px}
@media(max-width:900px){.pillars{grid-template-columns:1fr}}
.pillar{border:1px solid var(--line);border-radius:20px;padding:30px 28px;position:relative;overflow:hidden;
  background:var(--glass);min-height:208px;transition:.35s;cursor:pointer}
.pillar::before{content:"";position:absolute;inset:0;opacity:0;transition:.4s;
  background:radial-gradient(120% 100% at 100% 0%,rgba(124,92,255,.1),transparent 55%)}
.pillar:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:0 22px 48px rgba(40,40,80,.12)}
.pillar:hover::before{opacity:1}
.pillar .tag{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--c)}
.pillar.v .tag{color:var(--r)}
.pillar.e .tag{color:var(--coral)}
.pillar h3{font-size:23px;font-weight:600;margin:12px 0 8px}
.pillar p{color:var(--mut);font-size:14px;max-width:300px}
.pillar .glyph{position:absolute;right:-18px;bottom:-22px;font-size:128px;opacity:.05;font-weight:800;color:var(--ink);transition:.4s}
.pillar:hover .glyph{opacity:.09;transform:scale(1.06)}
.pillar .go2{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink);opacity:0;transform:translateY(6px);transition:.3s}
.pillar:hover .go2{opacity:1;transform:none}
.pillar .go2 .arr{color:var(--v)}

/* ===== 画廊 ===== */
.sec-head{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;
  margin:96px 0 28px;gap:20px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:600;letter-spacing:-.01em}
.sec-head p{color:var(--mut);font-size:14px;max-width:420px;margin-top:8px}
.filters{display:flex;gap:8px}
.filters button{padding:8px 15px;border-radius:20px;font-size:13px;color:var(--mut);
  border:1px solid var(--line);background:rgba(255,255,255,.5);transition:.2s}
.filters button.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.filters button:hover:not(.on){color:var(--ink);border-color:var(--line2)}

.gallery{position:relative;z-index:2;columns:3;column-gap:18px}
@media(max-width:980px){.gallery{columns:2}}
@media(max-width:600px){.gallery{columns:1}}
.card{position:relative;break-inside:avoid;margin-bottom:18px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);cursor:pointer;opacity:0;transform:translateY(18px);
  transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s;
  box-shadow:0 8px 22px rgba(40,40,80,.07)}
.card.in{opacity:1;transform:none}
.card:hover{border-color:var(--line2);box-shadow:0 18px 40px rgba(40,40,80,.16)}
.card .art{width:100%;display:block}
.card .meta{position:absolute;left:0;right:0;bottom:0;padding:36px 14px 13px;
  background:linear-gradient(transparent,rgba(10,10,16,.8));opacity:0;transform:translateY(8px);transition:.25s}
.card:hover .meta{opacity:1;transform:none}
.card .meta .pt{font-size:12.5px;color:#eef0f6;line-height:1.45;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .badge{position:absolute;top:11px;left:11px;font-size:10.5px;padding:3px 9px;border-radius:7px;
  background:rgba(255,255,255,.82);backdrop-filter:blur(8px);border:1px solid var(--line2);color:var(--ink)}
.card .type{position:absolute;top:11px;right:11px;font-size:10.5px;padding:3px 9px;border-radius:7px;
  background:var(--sig);color:#fff;font-weight:600}
.card.ad .type{background:var(--coral-grad)}
.card .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.card .play span{width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.7);
  backdrop-filter:blur(8px);border:1px solid rgba(20,20,30,.18);display:flex;align-items:center;
  justify-content:center;font-size:20px;color:var(--ink);transition:.22s}
.card:hover .play span{transform:scale(1.08);background:var(--sig);color:#fff;border-color:transparent}
.card .dur{position:absolute;bottom:11px;right:11px;font-size:10.5px;padding:2px 7px;border-radius:6px;
  background:rgba(10,10,16,.6);color:#eef0f6}
.card.gen .art{filter:blur(6px) saturate(.7);opacity:.7}
.card.gen .prog{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:14px;background:rgba(255,255,255,.45)}
.card.gen .ring{width:46px;height:46px}
.card.gen .ptxt{font-size:11.5px;color:var(--mut)}

/* ===== CTA ===== */
.cta{position:relative;z-index:2;margin:110px 0 40px;border-radius:26px;overflow:hidden;
  border:1px solid var(--line2);padding:56px 40px;text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,rgba(124,92,255,.12),transparent 60%),#fff}
.cta h2{font-size:clamp(26px,3.4vw,42px);font-weight:600;letter-spacing:-.01em}
.cta p{color:var(--mut);margin-top:14px;font-size:15px}
.cta .dock{position:static;max-width:560px;margin:30px auto 0;bottom:auto;
  background:rgba(255,255,255,.9);box-shadow:0 14px 36px rgba(40,40,80,.12)}
.cta .hint{margin-top:14px;font-size:12.5px;color:var(--mut2)}

/* ===== footer ===== */
.foot{position:relative;z-index:2;border-top:1px solid var(--line);margin-top:70px;padding:34px 0 50px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;color:var(--mut2);font-size:13px}
.foot a:hover{color:var(--ink)}
.foot .fl{display:flex;gap:22px}

/* lightbox */
.lb{position:fixed;inset:0;z-index:80;background:rgba(20,20,28,.9);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;padding:40px}
.lb.show{display:flex;opacity:0;animation:lbf .25s forwards}
@keyframes lbf{to{opacity:1}}
.lb-in{max-width:920px;width:100%;display:flex;gap:22px;align-items:center}
.lb-art{flex:1;border-radius:18px;overflow:hidden;border:1px solid var(--line2);aspect-ratio:1}
.lb-side{width:280px;flex-shrink:0}
.lb-side h4{font-size:18px;margin-bottom:14px;color:#fff}
.lb-side .pt{color:#c8ccd6;font-size:14px;line-height:1.6;margin-bottom:18px}
.lb-side .acts{display:flex;flex-direction:column;gap:9px}
.lb-side .acts button{padding:12px;border-radius:11px;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:14px;transition:.2s}
.lb-side .acts .pri{background:var(--sig);border:none;font-weight:600}
.lb-side .acts button:hover{filter:brightness(1.12)}
.lb-x{position:absolute;top:22px;right:26px;font-size:26px;color:#c8ccd6;background:none;border:none}

@media(max-width:760px){
  .hero{grid-template-columns:1fr;padding-top:120px;min-height:auto;gap:60px}
  .pillars{grid-template-columns:1fr}.nav-links{display:none}
  .lb-in{flex-direction:column}.lb-side{width:100%}
  .burger{display:block;font-size:22px}
}