:root{
  --bg:#f4fbff;
  --card:#fff;
  --line:#c8e3f8;
  --blue:#1f6fb2;
  --blue2:#4fa6e8;
  --blue3:#8ac8f5;
  --deep:#113d67;
  --text:#16344d;
  --muted:#5d7a92;
  --soft:#f7fcff;
}

html{
  scroll-behavior:smooth;
  overflow-x:hidden;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  overflow-x:hidden;
  font-family:Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#f4fbff 0%,#fafdff 100%);
  color:var(--text);
  line-height:1.65;
}

.emma-22d,
.emma-22d *{
  box-sizing:border-box;
}

.emma-22d{
  width:100%;
  max-width:100%;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 5%,rgba(79,166,232,.18),transparent 24%),
    radial-gradient(circle at 12% 18%,rgba(138,200,245,.25),transparent 20%),
    linear-gradient(180deg,#f4fbff 0%,#edf8ff 45%,#fafdff 100%);
}

.emma-22d a{
  text-decoration:none;
  color:inherit;
}

.emma-22d img{
  display:block;
  max-width:100%;
  border:0;
}

.emma-22d .container{
  width:min(1200px,calc(100% - 40px));
  margin:0 auto;
  max-width:100%;
}

.emma-22d .section{
  padding:84px 0;
  position:relative;
}

.emma-22d .tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--blue);
  letter-spacing:.16em;
  text-transform:uppercase;
  font-size:12px;
  font-weight:700;
  margin-bottom:18px;
}

.emma-22d .tag:before{
  content:"";
  width:36px;
  height:2px;
  background:linear-gradient(90deg,var(--blue2),var(--blue));
  border-radius:2px;
  flex:0 0 auto;
}

.emma-22d h1,
.emma-22d h2,
.emma-22d h3{
  margin:0;
  line-height:1.08;
  font-weight:650;
  color:var(--deep);
}

.emma-22d h1{
  font-size:clamp(40px,7vw,84px);
  letter-spacing:.025em;
}

.emma-22d h2{
  font-size:clamp(30px,4.8vw,56px);
  letter-spacing:.02em;
}

.emma-22d h3{
  font-size:24px;
  color:var(--blue);
  margin-bottom:12px;
}

.emma-22d p{
  margin:0;
  color:var(--muted);
  font-size:16px;
}

.emma-22d .blue{
  color:var(--blue2);
}

.emma-22d .btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.emma-22d .btn{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  padding:15px 24px;
  border-radius:999px;
  font-weight:800;
  border:1px solid transparent;
  transition:.25s ease;
  cursor:pointer;
  min-height:48px;
  text-align:center;
}

.emma-22d .btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--blue2),var(--blue));
  box-shadow:0 10px 28px rgba(79,166,232,.22);
}

.emma-22d .btn-primary:hover{
  transform:translateY(-2px);
}

.emma-22d .btn-secondary{
  color:var(--blue);
  background:#fff;
  border-color:var(--line);
}

/* 图片手机端修复核心 */
.emma-22d .image-card{
  border:1px solid var(--line);
  border-radius:30px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 20px 50px rgba(79,166,232,.10);
  max-width:100%;
}

.emma-22d .image-wrap{
  position:relative;
  width:100%;
  max-width:100%;
  overflow:hidden;
  line-height:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,rgba(79,166,232,.12),rgba(255,255,255,.88)),#f4fbff;
}

.emma-22d .ratio-1-1{
  aspect-ratio:1 / 1;
}

.emma-22d .ratio-4-3{
  aspect-ratio:4 / 3;
}

.emma-22d .ratio-3-2{
  aspect-ratio:3 / 2;
}

.emma-22d .image-wrap img,
.emma-22d .product-card img,
.emma-22d .handle-media img,
.emma-22d .process-card img{
  display:block;
  width:100%;
  height:100%;
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  object-position:center center;
  padding:0;
  margin:0;
  border:0;
  flex:0 0 auto;
}

.emma-22d .img-contain img{
  object-fit:contain;
}

.emma-22d .img-cover img{
  object-fit:contain;
}

/* aspect-ratio 兼容旧浏览器 */
@supports not (aspect-ratio:1 / 1){
  .emma-22d .ratio-1-1,
  .emma-22d .ratio-4-3,
  .emma-22d .ratio-3-2{
    height:0;
    display:block;
  }

  .emma-22d .ratio-1-1{
    padding-top:100%;
  }

  .emma-22d .ratio-4-3{
    padding-top:75%;
  }

  .emma-22d .ratio-3-2{
    padding-top:66.6667%;
  }

  .emma-22d .image-wrap img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
  }
}

.emma-22d .caption{
  padding:16px 22px;
  background:#f7fcff;
  color:#69859c;
  font-size:14px;
  border-top:1px solid var(--line);
  line-height:1.5;
}

.emma-22d .caption:empty{
  display:none;
}

.emma-22d .hero{
  min-height:760px;
  display:grid;
  align-items:center;
  padding:84px 0 72px;
  position:relative;
  isolation:isolate;
}

.emma-22d .hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(244,251,255,.95) 0%,rgba(244,251,255,.90) 38%,rgba(244,251,255,.62) 62%,rgba(244,251,255,.25) 100%),
    radial-gradient(circle at right center,rgba(79,166,232,.18),transparent 32%),
    linear-gradient(135deg,#e5f4ff 0%,#f8fcff 48%,#deefff 100%);
  z-index:-2;
}

.emma-22d .hero:after{
  content:"";
  position:absolute;
  right:-180px;
  bottom:-210px;
  width:680px;
  height:680px;
  border-radius:50%;
  border:1px solid rgba(79,166,232,.20);
  box-shadow:0 0 0 40px rgba(138,200,245,.10),0 0 0 90px rgba(138,200,245,.06);
  z-index:-1;
}

.emma-22d .hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:46px;
  align-items:center;
}

.emma-22d .hero-title-small{
  font-size:clamp(18px,2vw,28px);
  color:var(--blue);
  letter-spacing:.24em;
  text-transform:uppercase;
  margin-bottom:15px;
}

.emma-22d .hero-text{
  max-width:690px;
  margin-top:22px;
  color:#58738b;
  font-size:18px;
}

.emma-22d .hero-stat{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:34px;
  max-width:690px;
}

.emma-22d .stat-box{
  border:1px solid var(--line);
  background:rgba(255,255,255,.88);
  border-radius:22px;
  padding:20px;
  box-shadow:0 10px 28px rgba(79,166,232,.08);
}

.emma-22d .stat-box strong{
  display:block;
  color:var(--blue);
  font-size:27px;
  line-height:1;
  margin-bottom:8px;
}

.emma-22d .stat-box span{
  color:#67839b;
  font-size:13px;
}

.emma-22d .product-card{
  border:1px solid var(--line);
  background:linear-gradient(145deg,#fff,#eef8ff);
  padding:20px;
  border-radius:34px;
  box-shadow:0 20px 60px rgba(79,166,232,.12);
  min-width:0;
  max-width:100%;
}

.emma-22d .product-card .image-wrap{
  border-radius:26px;
  background:#fff;
}

.emma-22d .nav-strip{
  position:sticky;
  top:0;
  z-index:20;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(12px);
}

.emma-22d .nav-inner{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  padding:12px 0;
}

.emma-22d .nav-inner a{
  color:#55758f;
  font-size:14px;
  padding:9px 14px;
  border-radius:999px;
  white-space:nowrap;
}

.emma-22d .nav-inner a:hover{
  background:#edf7ff;
  color:var(--blue);
}

.emma-22d .intro-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:34px;
  align-items:stretch;
}

.emma-22d .panel{
  border:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#f5fbff);
  border-radius:30px;
  padding:36px;
  box-shadow:0 10px 28px rgba(79,166,232,.08);
  min-width:0;
}

.emma-22d .panel-dark{
  background:radial-gradient(circle at top right,rgba(138,200,245,.20),transparent 36%),linear-gradient(180deg,#fafdff,#eff8ff);
}

.emma-22d .mini-list{
  display:grid;
  gap:14px;
  margin:28px 0 0;
  padding:0;
}

.emma-22d .mini-list li{
  list-style:none;
  padding:15px 16px;
  border:1px solid #d7eafb;
  border-radius:16px;
  color:#5b768d;
  background:#f9fdff;
}

.emma-22d .mini-list li:before{
  content:"✓";
  color:#fff;
  background:linear-gradient(135deg,var(--blue2),var(--blue));
  border-radius:50%;
  width:22px;
  height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:900;
  margin-right:10px;
}

.emma-22d .feature-matrix{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:44px;
}

.emma-22d .matrix-card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#f5fbff);
  border-radius:24px;
  padding:26px;
  min-height:190px;
  position:relative;
  overflow:hidden;
  box-shadow:0 10px 26px rgba(79,166,232,.06);
}

.emma-22d .matrix-card:after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:110px;
  height:110px;
  border:1px solid rgba(79,166,232,.18);
  border-radius:50%;
}

.emma-22d .matrix-card b{
  color:var(--blue);
  font-size:28px;
  display:block;
  margin-bottom:12px;
}

.emma-22d .split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}

.emma-22d .split > *,
.emma-22d .hero-grid > *,
.emma-22d .intro-grid > *,
.emma-22d .handle-card > *,
.emma-22d .application > *,
.emma-22d .process-grid > *{
  min-width:0;
}

.emma-22d .handle-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  border:1px solid var(--line);
  border-radius:34px;
  overflow:hidden;
  background:#fff;
  margin-top:42px;
  box-shadow:0 20px 50px rgba(79,166,232,.08);
  max-width:100%;
}

.emma-22d .handle-info{
  padding:44px;
  min-width:0;
}

.emma-22d .handle-media{
  display:flex;
  align-items:center;
  border-left:1px solid var(--line);
  background:#f5fbff;
  min-width:0;
}

.emma-22d .handle-card.reverse .handle-media{
  border-left:0;
  border-right:1px solid var(--line);
}

.emma-22d .handle-media .image-wrap{
  width:100%;
}

.emma-22d .depth-table{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  margin-top:26px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  max-width:100%;
}

.emma-22d table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  background:#fff;
}

.emma-22d th,
.emma-22d td{
  padding:16px 18px;
  border-bottom:1px solid #e1eef8;
  color:#5a758d;
  text-align:left;
  vertical-align:top;
  font-size:15px;
}

.emma-22d th{
  color:var(--blue);
  background:#f3faff;
}

.emma-22d tr:last-child td{
  border-bottom:none;
}

.emma-22d .tech-band{
  background:
    linear-gradient(90deg,rgba(239,248,255,.95),rgba(239,248,255,.78)),
    radial-gradient(circle at right,rgba(79,166,232,.18),transparent 34%),
    linear-gradient(135deg,#edf8ff,#fafdff);
  padding:110px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.emma-22d .tech-content{
  max-width:760px;
}

.emma-22d .process-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:42px;
}

.emma-22d .process-card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#f6fbff);
  border-radius:26px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(79,166,232,.06);
}

.emma-22d .process-card-content{
  padding:24px;
}

.emma-22d .application{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  margin-top:44px;
}

.emma-22d .app-card{
  border:1px solid var(--line);
  border-radius:28px;
  padding:30px;
  background:linear-gradient(180deg,#fff,#f6fbff);
  box-shadow:0 10px 28px rgba(79,166,232,.06);
}

.emma-22d .app-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

.emma-22d .app-tags span{
  border:1px solid #d6eafc;
  color:var(--blue);
  border-radius:999px;
  padding:9px 13px;
  font-size:14px;
  background:#f8fcff;
}

.emma-22d .seo-box{
  border:1px solid var(--line);
  background:radial-gradient(circle at right,rgba(79,166,232,.13),transparent 35%),linear-gradient(180deg,#fff,#f4fbff);
  border-radius:34px;
  padding:42px;
  box-shadow:0 12px 30px rgba(79,166,232,.07);
}

.emma-22d .faq{
  display:grid;
  gap:16px;
  margin-top:36px;
}

.emma-22d details{
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  padding:20px 22px;
  box-shadow:0 8px 22px rgba(79,166,232,.05);
}

.emma-22d summary{
  color:var(--blue);
  font-weight:700;
  cursor:pointer;
  font-size:17px;
}

.emma-22d details p{
  margin-top:12px;
}

.emma-22d .final-cta{
  text-align:center;
  padding:100px 0;
  background:radial-gradient(circle at center,rgba(79,166,232,.16),transparent 42%),linear-gradient(180deg,#edf8ff,#fafdff);
  border-top:1px solid var(--line);
}

.emma-22d .final-cta p{
  max-width:760px;
  margin:22px auto 0;
}

.emma-22d .note{
  margin-top:18px;
  font-size:13px;
  color:#7f96ab;
}

@media(max-width:1100px){
  .emma-22d .feature-matrix{
    grid-template-columns:repeat(2,1fr);
  }

  .emma-22d .process-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media(max-width:960px){
  .emma-22d .hero-grid,
  .emma-22d .intro-grid,
  .emma-22d .split,
  .emma-22d .handle-card,
  .emma-22d .application{
    grid-template-columns:1fr !important;
  }

  .emma-22d .hero{
    min-height:auto;
    padding:64px 0 52px;
  }

  .emma-22d .hero-stat{
    grid-template-columns:repeat(3,1fr);
  }

  .emma-22d .process-grid{
    grid-template-columns:1fr;
  }

  .emma-22d .handle-media{
    border-left:0;
    border-top:1px solid var(--line);
  }

  .emma-22d .handle-card.reverse .handle-media{
    border-right:0;
    border-bottom:1px solid var(--line);
  }

  .emma-22d .section{
    padding:62px 0;
  }

  .emma-22d .panel,
  .emma-22d .handle-info,
  .emma-22d .seo-box{
    padding:26px;
  }
}

@media(max-width:640px){
  .emma-22d .container{
    width:calc(100% - 28px);
  }

  .emma-22d .section{
    padding:48px 0;
  }

  .emma-22d h1{
    font-size:clamp(34px,12vw,48px);
  }

  .emma-22d h2{
    font-size:clamp(28px,9vw,38px);
  }

  .emma-22d h3{
    font-size:21px;
  }

  .emma-22d p{
    font-size:15px;
  }

  .emma-22d .hero-title-small{
    letter-spacing:.14em;
  }

  .emma-22d .hero-text{
    font-size:16px;
  }

  .emma-22d .hero-stat,
  .emma-22d .feature-matrix{
    grid-template-columns:1fr !important;
  }

  .emma-22d .stat-box{
    padding:16px;
  }

  .emma-22d .product-card{
    padding:10px;
    border-radius:24px;
  }

  .emma-22d .product-card .image-wrap{
    border-radius:18px;
  }

  .emma-22d .image-card,
  .emma-22d .handle-card,
  .emma-22d .panel,
  .emma-22d .seo-box{
    border-radius:22px;
  }

  .emma-22d .nav-inner{
    justify-content:flex-start;
    flex-wrap:nowrap;
    overflow-x:auto;
    padding:10px 0;
  }

  .emma-22d .nav-inner::-webkit-scrollbar{
    display:none;
  }

  .emma-22d .btn{
    width:100%;
    padding:14px 18px;
  }

  .emma-22d .btn-row{
    gap:10px;
  }

  .emma-22d .app-card{
    padding:22px;
  }

  .emma-22d .process-card-content{
    padding:20px;
  }

  .emma-22d .image-wrap img,
  .emma-22d .product-card img,
  .emma-22d .handle-media img,
  .emma-22d .process-card img{
    width:100%;
    height:100%;
    object-fit:contain !important;
    object-position:center center !important;
  }

  .emma-22d table{
    min-width:620px;
  }

  .emma-22d th,
  .emma-22d td{
    padding:13px 14px;
    font-size:14px;
  }

  .emma-22d .tech-band{
    padding:64px 0;
  }

  .emma-22d .final-cta{
    padding:70px 0;
  }
}

@media(max-width:420px){
  .emma-22d .container{
    width:calc(100% - 22px);
  }

  .emma-22d .caption{
    font-size:13px;
    padding:12px 16px;
  }
}