.hero{position:relative;margin-top:0;height:70vh;min-height:520px;color:#fff;overflow:hidden}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;opacity:0;transform-origin:center;animation:fade 12s linear infinite, zoom 12s linear infinite}
.slide:nth-child(1){animation-delay:0s,0s}
.slide:nth-child(2){animation-delay:-6s,-6s}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.35))}
.slide.bg1{background:url("../image/1.webp") center/cover no-repeat}
.slide.bg2{background:url("../image/2.webp") center/cover no-repeat}
@keyframes fade{0%{opacity:0}4%{opacity:1}46%{opacity:1}50%{opacity:0}100%{opacity:0}}
@keyframes zoom{0%{transform:scale(1)}50%{transform:scale(1.08)}51%{transform:scale(1)}100%{transform:scale(1)}}
.hero-inner{position:relative;z-index:2;height:100%}
.hero-content{position:absolute;left:60px;top:80px;max-width:720px}
.hero-title{font-size:52px;line-height:1.16;font-weight:800}
.hero-sub{margin-top:18px;font-size:18px;color:#cfe6ff}
.stats{position:absolute;bottom:34px;left:60px;right:60px;display:flex;gap:48px;justify-content:flex-end}
.stat{flex:0 0 auto;min-width:200px;text-align:right}
.stat .num{font-size:48px;font-weight:800;color:#fff;position:relative;letter-spacing:.5px}
@property --n{syntax:"<integer>";initial-value:0;inherits:false}
.num{--n:0;counter-reset:n var(--n)}
.num{animation-duration:1.5s;animation-timing-function:linear;animation-fill-mode:both}
.num[data-target="3200"]{animation-name:count3200}
.num[data-target="2000"]{animation-name:count2000}
.num[data-target="3000"]{animation-name:count3000}
@keyframes count3200{to{--n:3200}}
@keyframes count2000{to{--n:2000}}
@keyframes count3000{to{--n:3000}}
@supports (animation-timeline: view()){
  .num{animation-timeline:view();animation-range:entry 20% cover 40%}
}
.stat .label{margin-top:6px;font-size:16px;color:#cfe6ff}
.section-about{background:linear-gradient(180deg,#f3f9ff,#e8f3ff);padding:80px 0}
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.about-img{width:100%;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.12);overflow:hidden}
.about-img img{width:100%;height:auto;display:block}
.about-title{font-size:32px;line-height:1.25;font-weight:800;color:#0b2f4a;margin-bottom:16px}
.about-text{color:#2b3a4a;font-size:15px;line-height:1.8}
.btns{margin-top:26px}
.btn-primary{display:inline-block;background:#0ac;color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;letter-spacing:.4px;transition:transform .18s ease, box-shadow .18s ease}
.btn-primary:hover{transform:scale(1.06);box-shadow:0 10px 22px rgba(0,170,204,.35)}
.section-products{background:linear-gradient(180deg,#f3f9ff,#e8f3ff);padding:80px 0}
.products-head{text-align:center;margin-bottom:24px}
.products-title{font-size:30px;font-weight:800;color:#0b2f4a;margin-bottom:10px}
.products-sub{color:#2b3a4a;font-size:15px}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}
.prod-card{background:#fff;border-radius:12px;padding:14px;transition:transform .18s ease, box-shadow .18s ease}
.prod-card:hover{transform:scale(1.04);box-shadow:0 12px 28px rgba(0,0,0,.12)}
.prod-pic{width:100%;aspect-ratio:4/3;border-radius:10px;overflow:hidden}
.prod-pic img{width:100%;height:100%;object-fit:cover;display:block}
.prod-name{text-align:center;font-weight:700;margin-top:12px;color:#0b2f4a}
.prod-desc{text-align:center;color:#4a5a6a;font-size:14px;margin-top:6px}
.section-why{position:relative;background:url("../image/2.webp") center/cover no-repeat;padding:90px 0}
.section-why::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,66,120,.25),rgba(0,66,120,.25))}
.why-inner{position:relative;z-index:1}
.why-head{text-align:center;margin-bottom:26px}
.why-title{font-size:30px;font-weight:800;color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-card{background:#fff;border-radius:10px;padding:18px;border:1px solid rgba(12,60,100,.12);box-shadow:0 6px 16px rgba(0,0,0,.08);transition:transform .18s ease, box-shadow .18s ease}
.why-card:hover{transform:scale(1.03);box-shadow:0 14px 28px rgba(0,0,0,.16)}
.why-icon{width:40px;height:40px;border-radius:10px;background:#e6f9fc;color:#0ac;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:12px}
.why-name{font-weight:800;color:#0b2f4a;margin-bottom:8px}
.why-text{color:#4a5a6a;font-size:14px;line-height:1.8}
.section-hot{padding:80px 0;background:#fff}
.hot-head{text-align:center;margin-bottom:20px}
.hot-title{font-size:28px;font-weight:800;color:#0b2f4a}
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hot-card{background:#f7fbff;border-radius:12px;padding:14px;transition:transform .18s ease, box-shadow .18s ease}
.hot-card:hover{transform:scale(1.04);box-shadow:0 12px 28px rgba(0,0,0,.12)}
.hot-pic{width:100%;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#fff}
.hot-pic img{width:100%;height:100%;object-fit:cover;display:block}
.hot-name{text-align:center;margin-top:10px;color:#0b2f4a;font-weight:700}

@media (max-width:960px){
  .hero{height:64vh}
  .hero-content{left:24px;top:60px;right:24px}
  .hero-title{font-size:36px}
  .stats{left:24px;right:24px;gap:20px;flex-wrap:wrap}
  .stat{min-width:140px}
  .about-grid{grid-template-columns:1fr;gap:24px}
  .about-title{font-size:26px}
  .prod-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:1fr}
}