:root{
  --bg:#070A12;
  --bg2:#0B1023;
  --card:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.70);
  --faint:rgba(255,255,255,.52);
  --cyan:#38D9FF;
  --violet:#8B5CFF;
  --pink:#FF4FD8;
  --lime:#A6FF3D;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 26px;
  --max: 1180px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(56,217,255,.12), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(139,92,255,.12), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(255,79,216,.10), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
button{font:inherit; color:inherit}

#fx-bg{
  position:fixed; inset:0;
  width:100vw; height:100vh;
  z-index:-3;
}

.noise{
  position:fixed; inset:0;
  z-index:-2;
  pointer-events:none;
  opacity:.08;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

.glow{position:fixed; inset:-40vh -10vw; z-index:-2; pointer-events:none; filter: blur(26px); opacity:.9}
.blob{position:absolute; border-radius:999px; transform:translateZ(0); animation: float 14s ease-in-out infinite}
.b1{width:520px; height:520px; left:8%; top:18%; background: radial-gradient(circle at 30% 30%, rgba(56,217,255,.33), transparent 65%)}
.b2{width:640px; height:640px; left:56%; top:-6%; background: radial-gradient(circle at 40% 40%, rgba(139,92,255,.26), transparent 62%); animation-duration: 16s}
.b3{width:720px; height:720px; left:34%; top:62%; background: radial-gradient(circle at 45% 45%, rgba(255,79,216,.22), transparent 64%); animation-duration: 18s}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-26px,0)}}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(160%) blur(16px);
  background: rgba(8,10,18,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar__inner{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.brand{display:flex; align-items:center; gap:10px; min-width:200px}
.brand__mark{
  width:34px; height:34px; border-radius:12px;
  background:
    url("https://cdn.ameiyan.cn/gdsqc_resources/slide-01-07.png") center/contain no-repeat,
    radial-gradient(circle at 30% 30%, rgba(56,217,255,.95), rgba(56,217,255,.0) 60%),
    radial-gradient(circle at 70% 60%, rgba(255,79,216,.85), rgba(255,79,216,0) 62%),
    radial-gradient(circle at 50% 50%, rgba(139,92,255,.55), rgba(139,92,255,0) 62%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 18px 40px rgba(0,0,0,.35);
}
.brand__text{display:flex; flex-direction:column; line-height:1.05}
.brand__name{font-weight:700; letter-spacing:.4px}
.brand__sub{font-size:12px; color:var(--faint)}

.nav{display:flex; align-items:center; gap:10px}
.nav__a{
  font-size:14px;
  color:var(--muted);
  padding:10px 12px;
  border-radius:12px;
  transition: background .2s ease, color .2s ease;
}
.nav__a:hover{color:var(--text); background:rgba(255,255,255,.05)}
.nav__cta{
  color:rgba(255,255,255,.92);
  background: linear-gradient(135deg, rgba(56,217,255,.20), rgba(139,92,255,.18));
  border: 1px solid rgba(56,217,255,.18);
}

.hamburger{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.hamburger span{display:block; height:2px; margin:6px 10px; background:rgba(255,255,255,.82); border-radius:99px}

.mnav{
  display:none;
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px 14px;
  gap:8px;
}
.mnav a{
  display:block;
  padding:12px 12px;
  border-radius:14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  color:var(--muted);
}
.mnav a:hover{color:var(--text); border-color:rgba(255,255,255,.12)}

main{display:block}
.hero{padding:56px 0 30px}
.hero__grid{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:26px;
  align-items:center;
}
.kicker{display:inline-flex; align-items:center; gap:10px; padding:8px 12px; border-radius:999px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.03)}
.kicker__dot{width:10px; height:10px; border-radius:99px; background: radial-gradient(circle, var(--cyan), rgba(56,217,255,.1)); box-shadow: 0 0 18px rgba(56,217,255,.6)}
.hero__title{margin:16px 0 12px; font-size:56px; line-height:1.02; letter-spacing:-.8px}
.hero__titleLine{display:block}
.grad{
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__desc{margin:0 0 18px; color:var(--muted); font-size:16px; line-height:1.7; max-width:54ch}
.hero__actions{display:flex; gap:12px; align-items:center; margin:14px 0 22px}

.btn{
  border-radius: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.90);
  display:inline-flex;
  gap:10px;
  align-items:center;
  cursor:pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-1px); border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.06)}
.btn:active{transform: translateY(0)}
.btn--primary{
  background: linear-gradient(135deg, rgba(56,217,255,.20), rgba(139,92,255,.20));
  border-color: rgba(56,217,255,.22);
  box-shadow: 0 18px 50px rgba(56,217,255,.08);
}
.btn--ghost{background: rgba(255,255,255,.02)}
.btn__arrow{
  width:18px; height:18px; display:inline-block;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.92), rgba(255,255,255,.0) 70%);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M13 5 20 12l-7 7-1.4-1.4 4.6-4.6H4v-2h12.2l-4.6-4.6L13 5z'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M13 5 20 12l-7 7-1.4-1.4 4.6-4.6H4v-2h12.2l-4.6-4.6L13 5z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.metrics{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:12px;
}

.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.glowCard{position:relative}
.glowCard::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(600px 240px at var(--mx,50%) var(--my,25%), rgba(56,217,255,.24), transparent 60%);
  opacity:.0;
  transition: opacity .2s ease;
  pointer-events:none;
}
.glowCard:hover::before{opacity:1}

.metric{padding:14px 14px}
.metric__v{font-weight:700; font-size:24px; letter-spacing:-.3px}
.metric__u{color:rgba(255,255,255,.75); margin-left:2px}
.metric__k{margin-top:6px; font-size:12px; color:var(--faint)}

.hero__visual{position:relative}
.frame{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  box-shadow: 0 35px 90px rgba(0,0,0,.65);
  overflow:hidden;
}
.frame__bar{
  display:flex; align-items:center; gap:8px;
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.22);
}
.dot{width:10px; height:10px; border-radius:99px; opacity:.85}
.dot.red{background:#ff5f57}
.dot.yellow{background:#febc2e}
.dot.green{background:#28c840}
.frame__title{margin-left:auto; color:rgba(255,255,255,.62); font-size:12px}
.frame__body{position:relative; aspect-ratio: 4/3; overflow:hidden}
.poster{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 520px at 35% 30%, rgba(56,217,255,.26), transparent 60%),
    radial-gradient(700px 460px at 80% 60%, rgba(255,79,216,.18), transparent 62%),
    radial-gradient(800px 520px at 60% 20%, rgba(139,92,255,.16), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.0), rgba(0,0,0,.35));
}
.scanline{
  position:absolute; inset:-20%;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,.0) 0px, rgba(255,255,255,.0) 6px, rgba(255,255,255,.05) 7px, rgba(255,255,255,.0) 10px);
  opacity:.16;
  transform: rotate(6deg);
  animation: scan 6s linear infinite;
}
@keyframes scan{0%{transform:translateY(-10%) rotate(6deg)}100%{transform:translateY(10%) rotate(6deg)}}

.floatCards{position:absolute; inset:0; pointer-events:none}
.floatCard{
  position:absolute;
  width:160px; height:110px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  overflow:hidden;
  background:
    radial-gradient(circle at 20% 30%, rgba(56,217,255,.18), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(255,79,216,.12), transparent 60%),
    rgba(255,255,255,.03);
  box-shadow: 0 22px 80px rgba(0,0,0,.55);
  transform: translateZ(0);
  animation: drift 10s ease-in-out infinite;
}
.fc1{left:-12px; top:22%; animation-duration: 10s}
.fc2{right:-18px; top:14%; width:190px; height:130px; animation-duration: 12s}
.fc3{right:12%; bottom:-16px; width:210px; height:140px; animation-duration: 14s}
@keyframes drift{0%,100%{transform: translate3d(0,0,0) rotate(-1deg)}50%{transform: translate3d(0,-16px,0) rotate(1deg)}}

.scrollHint{
  max-width:var(--max);
  margin: 22px auto 0;
  padding: 0 18px;
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.55);
  font-size:12px;
}
.scrollHint__m{
  width:80px; height:1px;
  background: linear-gradient(90deg, rgba(56,217,255,.0), rgba(56,217,255,.7), rgba(255,79,216,.0));
  animation: hint 1.8s ease-in-out infinite;
}
@keyframes hint{0%,100%{transform:translateX(0)}50%{transform:translateX(12px)}}

.section{
  padding: 70px 0;
}
.section__head{
  max-width:var(--max);
  margin: 0 auto 26px;
  padding: 0 18px;
}
.h2{margin:0 0 8px; font-size:34px; letter-spacing:-.4px}
.h3{margin:0; font-size:18px}
.sub{margin:0; color:var(--muted); line-height:1.7; max-width: 80ch}

.cards3{
  max-width:var(--max);
  margin: 0 auto;
  padding: 0 18px;
  display:grid;
  grid-template-columns: 1.25fr .75fr .75fr;
  gap:14px;
}
.card.big{padding:18px}
.card:not(.big){padding:18px}
.card__title{font-weight:700; margin-bottom:10px}
.card__p{color:var(--muted); line-height:1.75}
.tags{margin-top:14px; display:flex; flex-wrap:wrap; gap:8px}
.tag{
  font-size:12px;
  padding:7px 10px;
  border-radius:999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: rgba(255,255,255,.78);
}

.featureGrid{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.feature__head{display:flex; flex-direction:column; gap:10px; margin-bottom:8px}
.pill{
  align-self:flex-start;
  font-size:12px;
  padding: 6px 10px;
  border-radius:999px;
  border:1px solid rgba(56,217,255,.16);
  color: rgba(56,217,255,.86);
  background: rgba(56,217,255,.06);
}
.pill.cyan{
  border-color: rgba(139,92,255,.18);
  color: rgba(191,176,255,.92);
  background: rgba(139,92,255,.06);
}
.feature__p{margin:0 0 14px; color:var(--muted); line-height:1.75}
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.split__k{font-size:12px; color:var(--faint); margin-bottom:6px}
.split__v{color:rgba(255,255,255,.80); line-height:1.7}
.miniStats{display:flex; gap:16px; margin-top:6px}
.miniStat__n{font-size:26px; font-weight:700}
.miniStat__k{font-size:12px; color:var(--faint); margin-top:4px}

.caseRow{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.case__title{font-weight:700; margin-bottom:12px}
.case__big{display:flex; align-items:baseline; justify-content:space-between; gap:12px; padding:12px 12px; border-radius: 14px; border:1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.02); margin-bottom:10px}
.case__num{font-weight:800; font-size:28px; letter-spacing:-.3px}
.case__u{margin-left:2px; color:rgba(255,255,255,.70)}
.case__label{color:var(--muted); font-size:13px}
.case__p{color:var(--muted); line-height:1.75; margin:0 0 14px}
.case__badges{display:flex; flex-wrap:wrap; gap:8px}
.badge{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg, rgba(56,217,255,.06), rgba(255,79,216,.06));
  color: rgba(255,255,255,.84);
  font-size:12px;
}

/* 培训照片墙 - 预设填满布局，图片拉伸平铺 */
.masonry{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  grid-template-rows: repeat(var(--rows, 2), minmax(0, 1fr));
  gap: 0;
  aspect-ratio: 16 / 9;
  min-height: 320px;
}
.tile{
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.2);
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:stretch;
  justify-content:stretch;
  min-height: 0;
}
.tile img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition: transform .35s ease, filter .3s ease;
}
.tile:hover img{
  transform:scale(1.03);
  filter:saturate(1.15) contrast(1.05);
}
.tile::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(400px 180px at var(--mx,50%) var(--my,40%), rgba(56,217,255,.12), transparent 60%);
  opacity:0;
  transition: opacity .25s ease;
  pointer-events:none;
}
.tile:hover::after{opacity:1}

.tabs{
  max-width:var(--max);
  margin: 0 auto 14px;
  padding: 0 18px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.tab{
  cursor:pointer;
  padding:10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.tab:hover{color:var(--text); border-color: rgba(255,255,255,.18)}
.tab.isActive{
  color: rgba(255,255,255,.92);
  background: linear-gradient(135deg, rgba(56,217,255,.14), rgba(139,92,255,.12));
  border-color: rgba(56,217,255,.20);
}

/* 资质轮播 - 多图展示 */
.carousel{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  position:relative;
  border-radius: 20px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
  min-height: 240px;
}
.carousel__viewport{
  width:100%;
  overflow:hidden;
  padding: 18px 0;
}
.carousel__track{
  display:flex;
  flex-wrap:nowrap;
  gap: 14px;
  cursor:pointer;
  transition: transform .4s cubic-bezier(.25,.46,.45,.94);
  width: calc(100% * var(--count, 1) / var(--visible, 3));
  --visible: 3;
  --count: 1;
  --page: 0;
  transform: translateX(calc(-1 * var(--page) * var(--visible) / var(--count) * 100%));
}
.carousel__slide{
  flex: 0 0 calc((100% - (var(--count) - 1) * 14px) / var(--count));
  min-width: 0;
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.2);
  aspect-ratio: 4/3;
}
.carousel__slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition: transform .3s ease, filter .3s ease;
}
.carousel__slide:hover img{transform:scale(1.04); filter:saturate(1.1)}
.carousel__btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:2;
  width:44px; height:44px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  background: rgba(0,0,0,.4);
  backdrop-filter:blur(8px);
  color:#fff;
  font-size:24px;
  line-height:0;
  cursor:pointer;
  transition: background .2s, border-color .2s;
}
.carousel__btn:hover{background:rgba(56,217,255,.25); border-color:rgba(56,217,255,.4)}
.carousel__btn--prev{left:12px}
.carousel__btn--next{right:12px}
.carousel__dots{
  position:absolute;
  bottom:14px;
  left:50%;
  transform:translateX(-50%);
  z-index:2;
  display:flex;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(0,0,0,.4);
  backdrop-filter:blur(8px);
}
.carousel__dot{
  width:8px; height:8px;
  border-radius:50%;
  border:none;
  background:rgba(255,255,255,.35);
  cursor:pointer;
  padding:0;
  transition: background .2s, transform .2s;
}
.carousel__dot:hover{background:rgba(255,255,255,.6)}
.carousel__dot.isActive{background:var(--cyan); transform:scale(1.2)}

.contactGrid{
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.kv{display:grid; grid-template-columns: 72px 1fr; gap:10px; padding:10px 0; border-bottom: 1px solid rgba(255,255,255,.06)}
.kv:last-child{border-bottom:0}
.kv__k{color:var(--faint); font-size:12px}
.kv__v{color:rgba(255,255,255,.82); line-height:1.6}
.kv--plain{border-bottom:0; padding:6px 0}
.contactActions{display:flex; gap:12px; margin-top:14px; flex-wrap:wrap}
.toast{margin-top:12px; min-height:18px; color:rgba(56,217,255,.90); font-size:13px}

.footer{
  max-width:var(--max);
  margin: 46px auto 0;
  padding: 18px 18px 42px;
  border-top:1px solid rgba(255,255,255,.06);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
}
.footer__brand{display:flex; align-items:center; gap:10px; color:rgba(255,255,255,.80)}
.footer__meta{margin-top:10px; color:var(--faint); font-size:12px}
.footer__r{display:flex; gap:10px}
.footer__a{color:var(--faint); font-size:13px; padding:8px 10px; border-radius:12px}
.footer__a:hover{color:var(--text); background: rgba(255,255,255,.04)}

.lightbox{
  position:fixed; inset:0;
  display:none;
  z-index:80;
}
.lightbox.isOpen{display:block}
.lightbox__backdrop{position:absolute; inset:0; background: rgba(0,0,0,.72); backdrop-filter: blur(10px)}
.lightbox__panel{
  position:absolute;
  inset: 6vh 4vw;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,12,20,.55);
  box-shadow: 0 40px 120px rgba(0,0,0,.75);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.lightbox__img{width:100%; height:100%; object-fit:contain; background:rgba(0,0,0,.25)}
.lightbox__cap{padding:10px 14px; border-top: 1px solid rgba(255,255,255,.06); color:rgba(255,255,255,.72); font-size:13px}
.lightbox__close{
  position:absolute; top:10px; right:10px;
  width:42px; height:42px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.lightbox__nav{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  cursor:pointer;
  font-size: 26px;
  line-height: 0;
}
.lightbox__nav.prev{left:10px}
.lightbox__nav.next{right:10px}

.reveal{
  opacity:0;
  transform: translateY(14px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.isIn{
  opacity:1;
  transform: translateY(0);
}

@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr; gap:16px}
  .hero__title{font-size:44px}
  .metrics{grid-template-columns: repeat(2, minmax(0,1fr))}
  .cards3{grid-template-columns: 1fr; }
  .featureGrid{grid-template-columns: 1fr}
  .caseRow{grid-template-columns: 1fr}
  .carousel{min-height: 240px}
  .masonry{min-height: 280px}
  .contactGrid{grid-template-columns: 1fr}
  .nav{display:none}
  .hamburger{display:block}
  .mnav.isOpen{display:grid}
}
@media (max-width: 540px){
  .hero{padding-top:42px}
  .hero__title{font-size:36px}
  .carousel{min-height: 300px}
  .masonry{min-height: 340px}
  .lightbox__panel{inset: 8vh 3vw}
}