:root{
  --bg:#0b0b10;--panel:#0f1118;--text:#eef1ff;--muted:#9aa3b2;--brand:#7c6cff;--brand-2:#00ffe0;--glass:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 1000px at 10% -10%, #15182a 0%, transparent 60%),
    radial-gradient(900px 900px at 110% 10%, #0f1e2f 0%, transparent 60%),
    linear-gradient(120deg, #0b0b10 0%, #0c0f1a 100%);
  line-height:1.6;overflow-x:hidden;
}
@keyframes bgShift{0%{filter:hue-rotate(0deg)}50%{filter:hue-rotate(30deg)}100%{filter:hue-rotate(0deg)}}
body{animation:bgShift 16s ease-in-out infinite}

.container{width:min(1120px, 92vw);margin:0 auto}
.section{position:relative;padding:120px 0}
.center{text-align:center}

/* Header */
.site-header{position:sticky;top:0;z-index:30;background:rgba(11,11,16,.4);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}
.brand-mark{width:28px;height:28px;border-radius:8px;background:conic-gradient(from 200deg, var(--brand), var(--brand-2));box-shadow:0 6px 18px rgba(124,108,255,.4)}
.brand-text{font-weight:800;letter-spacing:.06em}
.nav-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:22px}
.nav-list{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--muted);text-decoration:none}
.nav-list .cta{padding:.5rem .9rem;border-radius:10px;background:linear-gradient(90deg, var(--brand), var(--brand-2));color:#0a0a0f;font-weight:700}

/* Hero */
.hero{min-height:82vh;display:grid;place-items:center}
.hero-inner{position:relative;z-index:1}
.hero-badge{display:inline-block;padding:.4rem .7rem;border:1px solid rgba(255,255,255,.1);border-radius:999px;color:var(--muted);backdrop-filter:blur(6px)}
.hero-title{margin:16px 0 10px;font-size:clamp(36px, 8vw, 72px);line-height:1.06}
.title-cn{display:block;font-family:"Shippori Mincho B1", serif;font-weight:600;letter-spacing:.06em}
.title-en{display:block;font-weight:700;opacity:.7;font-size:.45em}
.hero-sub{color:var(--muted);max-width:740px}
.hero-actions{margin-top:26px;display:flex;gap:14px}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;text-decoration:none;border:1px solid rgba(255,255,255,.12);color:var(--text);position:relative;overflow:hidden}
.btn.primary{background:linear-gradient(90deg, var(--brand), var(--brand-2));color:#0b0b10;border:0;font-weight:800}
.btn.ghost{background:rgba(255,255,255,.04)}
.btn:before{content:"";position:absolute;inset:-40% auto auto -40%;width:60%;height:200%;background:linear-gradient(120deg, rgba(255,255,255,.3), rgba(255,255,255,0));transform:rotate(25deg);opacity:0;transition:opacity .3s, transform .8s}
.btn:hover:before{opacity:1;transform:translateX(260%) rotate(25deg)}
.hero-orb{position:absolute;filter:blur(40px);opacity:.6;will-change:transform}
.orb-1{top:-40px;left:-60px;width:280px;height:280px;background:radial-gradient(circle at 30% 30%, #7c6cff, transparent 60%)}
.orb-2{bottom:-60px;right:-60px;width:320px;height:320px;background:radial-gradient(circle at 70% 70%, #00ffe0, transparent 60%)}

/* 跑马灯（JS 控制 transform） */
.brand-ticker{border-block:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02);overflow:hidden}
.ticker-track{display:flex;align-items:center;gap:42px;white-space:nowrap;padding:0 16px;height:44px;line-height:44px;will-change:transform;transform:translateX(var(--ticker-x,0))}
.ticker-track span{display:inline-block;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}

/* About */
.grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}
.about .ticks{padding-left:18px;color:var(--muted)}
.about-card .glass{position:relative;background:var(--glass);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:24px;box-shadow:var(--shadow);overflow:hidden}
.about-card .glass:after{content:"";position:absolute;inset:auto -40% -60% -40%;height:120%;background:linear-gradient(120deg, rgba(255,255,255,.15), rgba(255,255,255,0));transform:translateX(-100%);transition:transform 1.2s ease}
.about-card:hover .glass:after{transform:translateX(120%)}
.steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.step{padding:.4rem .7rem;border-radius:999px;background:rgba(124,108,255,.12);border:1px solid rgba(124,108,255,.3)}

/* Services */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:20px}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:22px;box-shadow:var(--shadow);transform-style:preserve-3d;will-change:transform}
.card h3{margin-top:0}
.card p{color:var(--muted)}
.card ul{padding-left:18px;color:var(--muted)}

/* Work */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:20px}
.work-item{transform-style:preserve-3d;will-change:transform}
.work-item h4{margin:12px 0 6px}
.work-item p{margin:0;color:var(--muted)}
.thumb{height:220px;border-radius:14px;background:linear-gradient(130deg, rgba(124,108,255,.2), rgba(0,255,224,.2));border:1px solid rgba(255,255,255,.08)}
img.thumb{display:block;width:100%;height:220px;object-fit:cover;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:#0f1118}
.shimmer{position:relative;overflow:hidden}
.shimmer:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg, transparent 0%, rgba(255,255,255,.08) 45%, transparent 60%);transform:translateX(-100%);animation:shimmer 2.6s infinite}
@keyframes shimmer{to{transform:translateX(100%)}}
.muted{color:var(--muted)}

/* 画布与光晕：不参与布局 */
#bg-canvas{position:fixed;inset:0;z-index:-1;display:block}
#cursor-glow{position:fixed;left:0;top:0;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle, rgba(124,108,255,.25), rgba(0,0,0,0));pointer-events:none;mix-blend-mode:screen;transform:translate(-50%,-50%);opacity:.35;z-index:5}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 3D 倾斜共用 */
.tilt{transition:transform .12s linear}

/* Responsive */
@media (max-width: 960px){
  .grid-2{grid-template-columns:1fr}
  .cards,.work-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-toggle{display:inline-block}
  .nav-list{position:absolute;right:16px;top:60px;flex-direction:column;background:rgba(13,13,18,.94);backdrop-filter:blur(8px);padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.08);display:none}
  .nav.open .nav-list{display:flex}
  .cards,.work-grid{grid-template-columns:1fr}
  .section{padding:92px 0}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
}