*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#fff;color:#111}
.container{max-width:1180px;margin:0 auto;padding:0 44px}

.header{height:78px;background:#fff;border-bottom:1px solid #eef0f7}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.logo-mark{width:38px;height:38px;border-radius:6px;object-fit:contain}
.brand-name{font-size:24px;font-weight:950;letter-spacing:.03em;line-height:1}
.brand-en{font-size:10px;letter-spacing:.46em;color:#111;margin-top:6px;font-weight:700}
.nav{display:flex;align-items:center;gap:58px}
.nav a{text-decoration:none;color:#111;font-size:15px;font-weight:700;position:relative}
.nav a.active{color:#3727e8}
.nav a.active:after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-21px;width:28px;height:3px;border-radius:99px;background:#4f46e5}
.menu{display:none;border:0;background:transparent;font-size:28px}

.hero{
  position:relative;
  min-height:560px;
  background-color:#D4C6FC;
  background:
    radial-gradient(circle at 72% 45%, rgba(255, 196, 223, 0.45) 0%, rgba(255, 196, 223, 0) 28%),
    linear-gradient(90deg, #c8b6f0 0%, #ddd2fb 40%, #f7f2ff 72%, #ffe3f0 100%);
  overflow:hidden;
}
.hero-banner{
  position:absolute;
  top:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:1920px;
  height:100%;
  object-fit:cover;
  object-position:center top;
  z-index:1;
}
@media(min-width:1600px){
  .hero{
    background-size:1600px auto;
    background-position:center top;
  }
}
.hero-inner{position:relative;z-index:2;min-height:560px;display:flex;align-items:center}
.hero-copy{width:54%;padding:42px 0 56px}
.hero-title{font-size:58px;color:#5139e8;font-weight:950;margin:0 0 18px;letter-spacing:-.04em}
.hero-subtitle{font-size:48px;font-weight:950;margin:0 0 34px;letter-spacing:-.04em}
.hero-desc{font-size:17px;line-height:2;color:#222;max-width:560px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;margin-top:34px;background:#5337e8;color:#fff;text-decoration:none;border-radius:16px;padding:15px 28px;font-weight:800;box-shadow:0 14px 28px rgba(83,55,232,.23)}

.features{background:#fff;padding:48px 0 58px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.feature{text-align:center;padding:18px 8px}
.feature-icon{width:70px;height:70px;margin:0 auto 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:31px;background:#f1ecff;color:#5740ee}
.feature:nth-child(2) .feature-icon{background:#ffecf5;color:#ef5aa5}
.feature:nth-child(3) .feature-icon{background:#fff2dc;color:#f6a21a}
.feature-title{font-weight:900;font-size:18px;margin-bottom:9px}
.feature-desc{font-size:13px;color:#6b7280}

.section{padding:76px 0}
.section-title{font-size:34px;font-weight:950;margin:0 0 22px}
.section-title:after{content:"";display:block;width:32px;height:3px;background:#4f46e5;border-radius:99px;margin-top:13px}
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:58px;align-items:center}
.about-text{font-size:16px;line-height:2.08;color:#222;margin:0}
.about-img{width:100%;border-radius:12px;box-shadow:0 16px 40px rgba(15,23,42,.12)}

.products{background:#fff;padding-top:42px;padding-bottom:76px}
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:34px}
.product{border:1px solid #e9ebf2;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 20px rgba(15,23,42,.05)}
.product img{width:100%;height:148px;object-fit:cover;display:block}
.product-body{padding:14px 14px 18px}
.product-title{font-size:16px;font-weight:900;margin:0 0 7px}
.product-desc{font-size:12px;color:#6b7280;margin:0}

.contact{background:linear-gradient(90deg,#2632c9,#7138e8);color:#fff}
.contact-inner{min-height:108px;display:flex;align-items:center;justify-content:center;gap:86px}
.phone-wrap{display:flex;align-items:center;gap:18px}
.phone-icon{width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:0 12px 26px rgba(0,0,0,.16)}
.contact-label{font-size:14px;opacity:.88}
.phone{font-size:35px;font-weight:950;letter-spacing:.02em;margin-top:3px}
.worktime{font-size:16px;font-weight:800;opacity:.96}
.footer{background:#fff;padding:22px 0 25px;color:#9ca3af;font-size:15px}
.footer-inner{display:flex;align-items:center;justify-content:center;gap:70px}

@media(max-width:900px){
  .container{padding:0 28px}
  .nav{display:none}
  .menu{display:block}
  .hero{min-height:480px}
  .hero-inner{min-height:460px;align-items:flex-start}
  .hero-copy{width:100%;padding-top:34px}
  .hero-title{font-size:34px}
  .hero-subtitle{font-size:30px;margin-bottom:22px}
  .hero-desc{font-size:15px;line-height:1.8;max-width:430px}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .about-grid{grid-template-columns:1fr;gap:26px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .product img{height:150px}
  .contact-inner{gap:8px;flex-direction:column;text-align:center;padding:22px 0}
  .phone-wrap{justify-content:center}
  .phone{font-size:30px}
  .footer-inner{flex-direction:column;gap:8px}
}
@media(max-width:600px){
  .hero{min-height:400px}
  .hero-banner{
    width:auto;height:auto;
    max-width:100%;max-height:70%;
    top:220px;left:50%;transform:translateX(-50%);
    object-fit:contain;
  }
}
@media(max-width:520px){
  .container{padding:0 20px}
  .header,.header-inner{height:66px}
  .logo-mark{width:32px;height:32px;border-radius:6px}
  .brand-name{font-size:20px}
  .brand-en{font-size:9px}
  .hero{min-height:420px}
  .section{padding:52px 0}
  .features{padding:32px 0 42px}
  .feature-icon{width:60px;height:60px}
  .product-grid{gap:14px}
  .product img{height:128px}
}