:root{
  --container: 1200px;
  --black: #111214;
  --white: #ffffff;
  --text: #202124;
  --muted: #7a7f87;
  --accent: #00bcd4;
  --primary: #12b0e8;
  --card-dark: #0c0d10;
  --bg-gray: #f6f7f9;
}

*{box-sizing:border-box}
html a{text-decoration:none;}
html a:hover{text-decoration:none;}
html,body{margin:0;padding:0;width: 100%;overflow-x: hidden;}
html{width: 100%;}
body{
  font-family: "Poppins","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* max-width:var(--container); */
.container{width:100%;max-width:100%;margin:0 auto;padding:0 24px;box-sizing: border-box;}

/* Header */
.site-header{position:relative;padding-top: 60px;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background-color: rgba(0, 0, 0, 0.9);position: fixed;top: 0;left: 0;right: 0;z-index: 9999;width: 100%;box-sizing: border-box;}
.topbar.container{padding:14px 80px;max-width: 100%;}
.brand{font-weight:700;letter-spacing:.08em;color: #fff;font-size: 16px;}
.brand span{font-weight:400;opacity:.8}
.top-links{display:flex;align-items:center;gap:18px;}
.top-links a{color:#fff;text-decoration:none;font-size:14px}

/* Product Switcher */
.product-switcher{position:relative;display:flex;}
.product-btn{
  background:transparent;
  border:none;
  color:#fff;
  padding:6px 12px;
  border-radius:4px;
  cursor:pointer;
  font-size:14px;
  transition:all 0.2s ease;
  min-width:60px;
  display:flex;
  align-items:center;
  gap:4px;
}
.product-btn:hover{
  background:rgba(255,255,255,0.1);
}
.product-btn::after{
  content:'▼';
  font-size:8px;
  transition:transform 0.2s ease;
}
.product-btn.active::after{
  transform:rotate(180deg);
}

/* Product Dropdown */
.product-dropdown{
  position:absolute;
  top:100%;
  left:0;
  background:rgba(0,0,0,0.9);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:4px;
  min-width:160px;
  z-index:1000;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:all 0.2s ease;
}
.product-dropdown.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.product-option{
  display:block;
  color:#fff;
  padding:8px 12px;
  text-decoration:none;
  font-size:14px;
  transition:background 0.2s ease;
}
.product-option:hover{
  background:rgba(255,255,255,0.1);
}

/* Language Switcher */
.language-switcher{position:relative;display:flex;}
.lang-btn{
  background:transparent;
  border:none;
  color:#fff;
  padding:6px 12px;
  border-radius:4px;
  cursor:pointer;
  font-size:12px;
  transition:all 0.2s ease;
  min-width:60px;
  display:flex;
  align-items:center;
  gap:4px;
}
.lang-btn:hover{
  background:rgba(255,255,255,0.1);
}
.lang-btn::after{
  content:'▼';
  font-size:8px;
  transition:transform 0.2s ease;
}
.lang-btn.active::after{
  transform:rotate(180deg);
}

/* Language Dropdown */
.language-dropdown{
  position:absolute;
  top:100%;
  right:0;
  background:rgba(0,0,0,0.9);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:4px;
  min-width:80px;
  z-index:1000;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:all 0.2s ease;
}
.language-dropdown.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.lang-option{
  background:transparent;
  border:none;
  color:#fff;
  padding:8px 12px;
  cursor:pointer;
  font-size:12px;
  width:100%;
  text-align:left;
  transition:background 0.2s ease;
}
.lang-option:hover{
  background:rgba(255,255,255,0.1);
}
.lang-option.active{
  background:rgba(255,255,255,0.2);
}

/* Hero */
.hero{position:relative;height:800px;display:flex;justify-content:center;overflow:hidden;width: 100%;margin-top: 0;}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:url("../assets/images/hx1-bg-adfba1f1f3.png") center center no-repeat;background-size: cover;background-position: center center;background-repeat: no-repeat;z-index: -99;transition:background-image 0.3s ease;width: 100%;height: 100%;}
.hero-overlay{position:absolute;inset:0;}
.hero-content{position:relative;text-align:center;color:var(--white);margin-top: 80px;padding: 0 24px;box-sizing: border-box;width: 100%;z-index: 1;}
.eyebrow{letter-spacing:.06em;font-size:18px;margin:0 0 8px;font-weight: 600;}
.hero-title{font-size:44px;margin:0 0 18px}
.hero-ctas{display:flex;gap:14px;justify-content:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:10px 18px;font-weight:500;text-decoration:none;border:1.5px solid transparent;transition:.2s background,.2s color,.2s border}
.btn .arrow{font-size:18px;line-height:0}
.btn-light{background:var(--white);color:#111}
.btn-light:hover{background:#f1f5f9}
.btn-outline{background:transparent;border-color:#fff;color:#fff}
.btn-outline1{background:transparent;border-color:#000;color:#000}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:8px 14px;font-size:14px}

/* Product grid */
.products{padding:56px 0;width: 100%;box-sizing: border-box;}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width: 1800px;width: 100%;margin: 0 auto;padding: 0 24px;box-sizing: border-box;}
.product-card{position:relative;min-height:600px;border-radius:8px;overflow:hidden;width: 100%;}
.product-dark{background:var(--card-dark);color:#e6eefc}
.product-light{background:#eaf3fb;color:#0c1520}
.product-card .card-bg{position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center center;background-repeat:no-repeat;opacity:.85;width: 100%;height: 100%;}
.card-bg-left{background-image:url("../assets/images/falcon-bg-mb-cad73fd9cc.png");transition:background-image 0.3s ease;}
.card-bg-right{background-image:url("../assets/images/hcp-bg-3fdde71e68.png");transition:background-image 0.3s ease;}
.product-card .card-content{position:relative;padding:38px;text-align: center;box-sizing: border-box;z-index: 2;}
.product-title{margin:6px 0 18px;font-size:36px;line-height:1.1}
.product-title span{display:block;font-weight:500;letter-spacing:.06em}
.product-title strong{display:block;font-size:.8em;opacity:.9;letter-spacing:.18em}

/* About */
.about{margin-top: 70px;width: 100%;box-sizing: border-box;}
.about-heading{font-size:60px;text-align:center;margin:8px auto 36px;letter-spacing:.06em;padding: 0 24px;box-sizing: border-box;width: 100%;}
.about-hero{height:360px;background:url("../assets/images/company-bfb3bf888a.jpg") center/cover no-repeat;background-size: cover;background-position: center center;background-repeat: no-repeat;width: 100%;}
.about-copy{max-width:960px;width: 100%;margin-top: 70px;padding: 0 24px;box-sizing: border-box;}
.about-copy p{color:#515761;font-size: 17px;line-height: 1.8;}

/* Footer */
.site-footer{background:#0a0b0e;color:#c7cbd1;margin-top:56px;padding: 0;box-sizing: border-box;width: 100%;}
.footer-top{padding:36px 24px;box-sizing: border-box;width: 100%;}
.footer-cols{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:24px;max-width: 1200px;margin: 0 auto;}
.footer-col h3{color:#fff;margin:0 0 10px;font-size:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:8px 0}
.footer-col a{color:#686c71;text-decoration:none;font-size: 14px;}
.footer-col p{color:#686c71;text-decoration:none;font-size: 14px;line-height: 1.6;}
.footer-col a:hover{color:#fff}
.newsletter-form{display:flex;gap:10px;margin-top:8px}
.newsletter-form input{flex:1;padding:10px 12px;border-radius:999px;border:1px solid #2b2f36;background:#13161a;color:#e5e7eb}
.footer-bottom{border-top:1px solid #1c1f25;padding:16px 24px;text-align: center;box-sizing: border-box;width: 100%;}
.social a{color:#c7cbd1;margin-left:14px;font-size:18px}
.social a:hover{color:#fff}

.logo{width: 250px;display: block;margin: 20px auto;max-width: 100%;box-sizing: border-box;}
.copyright{font-size: 12px;color:#686c71;line-height: 1.6;}

/* 二维码模态框样式 */
.qr-modal{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  pointer-events: none;
}
.qr-modal-overlay{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  pointer-events: none;
}
.qr-image{
  position: fixed;
  width: 150px;
  height: 150px;
  z-index: 1;
  animation: qrFadeIn 0.3s ease;
  pointer-events: auto;
  object-fit: contain;
  border-radius: 10px;
}
@keyframes qrFadeIn{
  from{
    opacity: 0;
    transform: scale(0.9);
  }
  to{
    opacity: 1;
    transform: scale(1);
  }
}
.social-icon:hover{
  transform: scale(1.1);
}

/* Responsive - 移动端完整适配 */
@media (max-width: 1024px){
  :root{--container: 1000px}
  .container{max-width: 100%;padding: 0 24px;}
  .site-header{padding-top: 60px;}
  .topbar{top: 0;padding:14px 24px;}
  .topbar.container{padding:14px 24px;}
  .hero{height:520px;margin-top: 0;width: 100%;}
  .hero-bg{background-size: cover;background-position: center center;transform: none;}
  .product-grid{max-width: 100%;width: 100%;padding: 0 24px;}
  .site-footer{padding: 0;width: 100%;}
  .footer-top{padding:36px 24px;width: 100%;}
  .footer-bottom{padding:16px 24px;width: 100%;}
  .about{width: 100%;}
  .about-hero{width: 100%;background-size: cover;background-position: center center;}
}

@media (max-width: 768px){
  .container{max-width: 100%;padding: 0 16px;}
  .site-header{padding-top: 55px;}
  .topbar{top: 0;padding:14px 16px;width: 100%;}
  .topbar.container{padding:14px 16px;}
  .brand{font-size:15px;}
  .top-links{gap:12px;}
  .top-links a{font-size:13px;}
  .products{width: 100%;padding: 30px 0;}
  .product-grid{grid-template-columns:1fr;gap:16px;padding: 0 16px;max-width: 100%;width: 100%;}
  .product-card{min-height:350px;width: 100%;aspect-ratio: auto;overflow: hidden;}
  .product-card .card-bg{background-size: contain !important;background-position: center center !important;background-repeat: no-repeat !important;width: 100% !important;height: 100% !important;transform: none !important;top: 0 !important;left: 0 !important;right: 0 !important;bottom: 0 !important;}
  .product-card .card-content{padding:20px 16px;width: 100%;box-sizing: border-box;word-wrap: break-word;overflow-wrap: break-word;}
  .hero{height:280px;min-height:280px;margin-top: 0;width: 100%;}
  .hero-bg{background-size: contain !important;background-position: center top !important;background-repeat: no-repeat !important;width: 100% !important;height: 100% !important;transform: none !important;top: 0 !important;left: 0 !important;right: 0 !important;bottom: 0 !important;}
  .hero-content{margin-top: 30px;padding: 0 16px;width: 100%;box-sizing: border-box;}
  .hero-title{font-size:28px}
  .about{margin-top: 30px;width: 100%;}
  .about-heading{font-size:36px;padding: 0 16px;margin:8px auto 20px;width: 100%;}
  .about-hero{height:200px;width: 100%;background-size: cover;background-position: center center;}
  .about-copy{margin-top: 30px;padding: 0 16px;width: 100%;}
  .about-copy p{font-size: 15px;}
  .footer-cols{grid-template-columns:1fr 1fr 1fr 1fr;gap:16px;max-width: 100%;}
  .footer-top{padding:28px 16px;width: 100%;}
  .footer-bottom{padding:14px 16px;width: 100%;}
  .site-footer{width: 100%;}
  .brand-subtitle{font-size:12px !important;}
}

@media (max-width: 520px){
  .container{max-width: 100%;padding: 0 16px;}
  .site-header{padding-top: 48px;}
  .topbar{top: 0;padding:12px 16px;width: 100%;}
  .topbar.container{padding:12px 16px;}
  .brand{font-size:14px;}
  .brand-subtitle{display:none !important;}
  .top-links{gap:10px;}
  .top-links a{font-size:12px;}
  .hero{height:220px;min-height:220px;margin-top: 0;width: 100%;}
  .hero-bg{background-size: contain !important;background-position: center top !important;background-repeat: no-repeat !important;width: 130% !important;height: 100% !important;transform: none !important;top: 0 !important;left: -10% !important;right: 0 !important;bottom: 0 !important;}
  .hero-content{margin-top: 20px;padding: 0 16px;width: 100%;box-sizing: border-box;}
  .hero-title{font-size:24px}
  .eyebrow{font-size:14px;}
  .hero-ctas{flex-direction: column;align-items: center;gap:10px;}
  .hero-ctas .btn{width: 100%;max-width: 280px;justify-content: center;}
  .products{padding:20px 0;width: 100%;}
  .product-grid{gap:12px;padding: 0 16px;max-width: 100%;width: 100%;}
  .product-card{min-height:300px;width: 100%;aspect-ratio: auto;overflow: hidden;}
  .product-card .card-bg{background-size: contain !important;background-position: center center !important;background-repeat: no-repeat !important;width: 100% !important;height: 100% !important;transform: none !important;top: 0 !important;left: 0 !important;right: 0 !important;bottom: 0 !important;}
  .product-card .card-content{padding:16px 12px;width: 100%;box-sizing: border-box;word-wrap: break-word;overflow-wrap: break-word;}
  .about{margin-top: 20px;width: 100%;}
  .about-heading{font-size:28px;padding: 0 16px;margin:8px auto 16px;width: 100%;}
  .about-hero{height:160px;width: 100%;background-size: cover;background-position: center center;}
  .about-copy{margin-top: 20px;padding: 0 16px;width: 100%;}
  .about-copy p{font-size: 12px;line-height: 1.6;}
  .footer-cols{grid-template-columns:1fr 1fr 1fr 1fr;gap:6px;max-width: 100%;}
  .footer-top{padding:20px 12px;width: 100%;}
  .footer-bottom{padding:10px 12px;width: 100%;}
  .site-footer{width: 100%;}
  .footer-col h3{font-size:11px;margin:0 0 4px;}
  .footer-col a{font-size: 8px;}
  .footer-col p{font-size: 8px;line-height: 1.3;}
  .footer-col li{margin:3px 0;}
  .copyright{font-size: 9px;line-height: 1.4;}
  .logo{width: 180px;max-width: 100%;}
  .btn-sm{padding:8px 12px;font-size:13px;}
  .qr-image{width: 120px;height: 120px;}
  .social-icons{gap: 10px;margin-top: 10px;}
  .social-icon{width: 28px !important;height: 28px !important;}
}