:root{
  --bg:#07080E;
  --fg:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.64);
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.06);
  --glass2:rgba(255,255,255,.10);
  --accent:#7c5cff;
  --shadow: 0 18px 50px rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 24px;
  --container: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--fg);
  background:
    radial-gradient(1100px 900px at 18% 10%, rgba(124,92,255,.14), transparent 60%),
    radial-gradient(1100px 900px at 86% 28%, rgba(255,255,255,.06), transparent 62%),
    radial-gradient(900px 700px at 55% 96%, rgba(124,92,255,.10), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}

/* Accessibility */
.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
  background:rgba(0,0,0,.8); border:1px solid var(--line); border-radius:12px;
  z-index:9999;
}

.container{max-width:var(--container); margin:0 auto; padding:0 24px}
.main{padding-top:84px}

/* Background layers (no heavy canvas) */
.bg{position:fixed; inset:0; pointer-events:none; z-index:-1}
.bg__noise{
  position:absolute; inset:-30%;
  background:
    radial-gradient(circle at 10% 20%, rgba(255,255,255,.06), transparent 26%),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,.04), transparent 28%),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,.05), transparent 24%);
  opacity:.18;
  filter: contrast(110%) saturate(105%);
  transform: translate3d(0,0,0);
  will-change: transform;
}
.bg__grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity:.06;
  mask-image: radial-gradient(closest-side at 50% 40%, black 55%, transparent 95%);
  transform: translate3d(0,0,0);
  will-change: transform;
}
.bg__glows{position:absolute; inset:0}
.glow{
  position:absolute;
  width:min(720px, 70vw);
  height:min(720px, 70vw);
  border-radius:999px;
  filter: blur(54px);
  opacity:.38;
  transform: translate3d(0,0,0);
  will-change: transform;
  background:
    radial-gradient(circle at 28% 30%, rgba(124,92,255,.58), transparent 60%),
    radial-gradient(circle at 70% 62%, rgba(255,255,255,.12), transparent 62%);
  mix-blend-mode: screen;
}
.glow--a{left:-220px; top:-260px}
.glow--b{right:-260px; top:140px; opacity:.22; filter: blur(72px); background:
  radial-gradient(circle at 30% 40%, rgba(124,92,255,.42), transparent 60%),
  radial-gradient(circle at 75% 65%, rgba(255,255,255,.10), transparent 62%);
}
.glow--c{left:20%; bottom:-340px; opacity:.16; filter: blur(92px); background:
  radial-gradient(circle at 25% 35%, rgba(124,92,255,.40), transparent 60%),
  radial-gradient(circle at 70% 65%, rgba(255,255,255,.08), transparent 62%);
}

/* Top bar */
.top{
  position:fixed; left:0; right:0; top:0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(9,10,16,.72), rgba(9,10,16,.38));
  border-bottom: 1px solid rgba(255,255,255,.08);
  z-index: 20;
}
.top__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px;
}
.brand{display:flex; align-items:center; gap:12px}
.brand__mark{
  width:34px; height:34px; border-radius:12px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 40%),
    linear-gradient(135deg, rgba(124,92,255,.92), rgba(124,92,255,.56));
  box-shadow: 0 14px 32px rgba(124,92,255,.20);
}
.brand__cn{font-weight:650; letter-spacing:.2px; font-size:14px}
.brand__en{color:var(--muted); font-size:12px; margin-top:2px}
.top__actions{display:flex; gap:10px; align-items:center}

/* Sections */
.section{padding: 54px 0}
.section__head{margin-bottom:18px}
.section__title{
  margin:0;
  font-size:22px;
  letter-spacing:.2px;
}
.section__desc{margin:8px 0 0; color:var(--muted)}

/* Hero */
.hero{
  padding: 120px 0 80px;
  text-align: center;
}
.hero__title{
  margin:0;
  font-size: clamp(48px, 8vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 720;
}
.hero__titleAccent{
  background: linear-gradient(90deg, rgba(255,255,255,.96), rgba(124,92,255,.90));
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.hero__cta{
  display:flex; 
  gap:16px; 
  margin-top:48px; 
  justify-content: center;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 16px 32px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.90);
  text-decoration:none;
  cursor:pointer;
  font-size: 16px;
  font-weight: 500;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-2px); border-color: rgba(255,255,255,.20); background: rgba(255,255,255,.08)}
.btn:active{transform: translateY(0px)}
.btn--primary{
  border-color: rgba(124,92,255,.50);
  background: linear-gradient(135deg, rgba(124,92,255,.68), rgba(124,92,255,.32));
  box-shadow: 0 20px 60px rgba(124,92,255,.18);
}
.btn--primary:hover{
  border-color: rgba(124,92,255,.60);
  box-shadow: 0 24px 76px rgba(124,92,255,.24);
}
.btn--ghost{background: rgba(255,255,255,.04)}
.btn--sm{padding: 10px 18px; border-radius: 14px; font-size: 14px}

/* (已移除 meta 模块，保持页面更克制) */

/* Glass primitive */
.glass{
  background: linear-gradient(to bottom, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){
  .glass{background: rgba(22,24,34,.88)}
}

/* (删除了右侧卡片：保留更克制的品牌页结构) */

/* Services grid */
.iconbar{
  padding: clamp(32px, 6vw, 56px) clamp(24px, 5vw, 48px) clamp(20px, 4vw, 32px);
  display:flex;
  gap: clamp(20px, 4vw, 36px);
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
}
.iconbtn{
  width: clamp(72px, 14vw, 96px);
  height: clamp(72px, 14vw, 96px);
  border-radius: 20px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.80);
  cursor: pointer;
  transition: transform .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.iconbtn:hover{
  transform: translateY(-4px) scale(1.05);
  background: rgba(255,255,255,.08);
  border-color: rgba(124,92,255,.40);
  box-shadow: 0 20px 50px rgba(124,92,255,.20);
}
.iconbtn:active, .iconbtn.active{
  transform: translateY(-2px) scale(1.02);
  background: rgba(124,92,255,.15);
  border-color: rgba(124,92,255,.50);
  box-shadow: 0 16px 40px rgba(124,92,255,.28);
}
.iconbtn__svg{
  width: clamp(32px, 7vw, 44px); 
  height: clamp(32px, 7vw, 44px);
}

/* Showcase 展示框 */
.showcase{
  margin-top: clamp(20px, 4vw, 32px);
  padding: clamp(28px, 5vw, 48px);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.showcase__placeholder{
  color: rgba(255,255,255,.50);
  font-size: 15px;
  letter-spacing: 0.2px;
}
.showcase__content{
  animation: fadeIn 0.4s ease;
}
.showcase__title{
  margin: 0;
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 680;
  letter-spacing: 0.2px;
  background: linear-gradient(90deg, rgba(255,255,255,.96), rgba(124,92,255,.88));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.showcase__desc{
  margin: 12px auto 0;
  color: rgba(255,255,255,.72);
  font-size: clamp(14px, 2.8vw, 16px);
  line-height: 1.7;
  max-width: 52ch;
}

@keyframes fadeIn{
  from{opacity: 0; transform: translateY(8px)}
  to{opacity: 1; transform: translateY(0)}
}

/* Contact 区块已移除：邮箱仅在页脚展示 */
.muted{color: rgba(255,255,255,.58)}

/* Footer */
.footer{
  margin-top: 30px;
  padding: 18px 0 28px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(to top, rgba(10,12,20,.70), rgba(10,12,20,0));
}
.footer__inner{display:flex; align-items:flex-start; justify-content:space-between; gap: 16px}
.footer__brand{font-weight: 760; letter-spacing: .4px}
.footer__meta{margin-top: 6px; color: rgba(255,255,255,.62); display:flex; gap:8px; flex-wrap:wrap}
.footer__right{display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end}
.footer__link{color: rgba(255,255,255,.70); text-decoration:none}
.footer__link:hover{text-decoration:underline}
.footer__icp{color: rgba(255,255,255,.70); text-decoration:none}
.footer__icp:hover{text-decoration:underline}
.dot{opacity:.6}

/* Responsive - 移动端优化：更大留白、更清晰层级 */
@media (max-width: 980px){
  .hero{padding: 80px 0 60px; text-align: left}
  .hero__title{font-size: clamp(36px, 11vw, 56px)}
  .hero__cta{justify-content: flex-start; margin-top: 36px}
  .btn{padding: 14px 24px; font-size: 15px}
  .iconbar{justify-content:center; padding: 28px 16px}
  .top__inner{padding: 12px 16px}
  .container{padding: 0 20px}
  .footer__inner{flex-direction: column; align-items: flex-start; gap: 12px}
  .footer__right{justify-content: flex-start}
}

@media (prefers-reduced-motion: reduce){
  .btn{transition:none}
  .glow{will-change:auto}
}