*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#0b0d0e;color:#fff}
a{text-decoration:none;color:inherit}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}

.hc-header{position:fixed;top:0;left:0;right:0;z-index:20;height:78px;display:flex;align-items:center;padding:0 72px;background:linear-gradient(to bottom,rgba(0,0,0,.58),rgba(0,0,0,.08));color:#fff}
.hc-brand{display:flex;align-items:center;gap:12px;min-width:210px}
.hc-logo{width:38px;height:38px;border:1px solid rgba(255,255,255,.9);border-radius:50%;display:grid;place-items:center;font-weight:900}
.hc-brand strong{display:block;font-size:22px;letter-spacing:1px}
.hc-brand em{display:block;font-size:11px;letter-spacing:3px;opacity:.82;font-style:normal}
.hc-nav{display:flex;gap:48px;margin-left:40px;font-weight:700;font-size:15px}
.hc-nav a{opacity:.92}
.hc-nav a:hover{opacity:1}
.hc-top-btn{margin-left:auto;border:1px solid rgba(255,255,255,.8);border-radius:999px;padding:9px 20px;font-weight:800}

.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-slides{position:absolute;inset:0;z-index:1}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.04);transition:opacity 1.2s ease,transform 7s ease}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-mask{position:absolute;inset:0;z-index:2;background:linear-gradient(to bottom,rgba(0,0,0,.28),rgba(0,0,0,.46)),radial-gradient(circle at center,rgba(0,0,0,.06),rgba(0,0,0,.44))}
.hero-content{position:relative;z-index:3;text-align:center;width:min(980px,calc(100% - 40px));padding-top:40px}
.hero-tag{display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);backdrop-filter:blur(10px);font-size:14px;letter-spacing:2px}
.hero h1{margin:26px 0 0;font-size:clamp(48px,7vw,88px);line-height:1.08;letter-spacing:-3px;text-shadow:0 10px 40px rgba(0,0,0,.28)}
.hero p{width:min(780px,100%);margin:24px auto 0;font-size:20px;line-height:1.9;color:rgba(255,255,255,.92)}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.btn{min-height:52px;padding:0 30px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:900}
.btn.primary{background:#fff;color:#151515}
.btn.secondary{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45);backdrop-filter:blur(12px)}
.hero-card{position:absolute;left:50%;bottom:42px;transform:translateX(-50%);z-index:3;width:min(760px,calc(100% - 40px));min-height:72px;border-radius:20px;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.38);backdrop-filter:blur(18px);display:flex;align-items:center;gap:18px;padding:12px 18px}
.hero-thumb{width:92px;height:48px;border-radius:10px;background:url('/images/hero/hero1.jpg') center/cover no-repeat}
.hero-card span{font-weight:700;color:rgba(255,255,255,.92)}

.section{padding:100px 0;background:#fff;color:#1e2529}
.section.dark{background:#101416;color:#fff}
.section.about{background:#f4f1ea}
.section-head{margin-bottom:40px}
.section-head span{display:block;color:#96704f;font-weight:900;font-size:13px;letter-spacing:3px}
.section-head h2{margin:12px 0;font-size:clamp(32px,4vw,50px)}
.section-head p{max-width:780px;color:#60707a;line-height:1.9;font-size:18px}
.section-head.light p{color:rgba(255,255,255,.72)}

.case-grid,.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-grid article,.news-grid article{border-radius:26px;background:#f7f4ee;overflow:hidden;padding:0 0 26px;border:1px solid rgba(0,0,0,.06)}
.case-grid h3,.news-grid h3{margin:24px 24px 10px;font-size:24px}
.case-grid p,.news-grid p{margin:0 24px;color:#65737b;line-height:1.75}
.case-img{height:220px;background-size:cover;background-position:center}
.case-a{background-image:url('/images/hero/hero1.jpg')}
.case-b{background-image:url('/images/hero/hero2.jpg')}
.case-c{background-image:url('/images/hero/hero3.jpg')}

.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.product-card{display:block;padding:38px;border-radius:28px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.product-card span{color:#d8b58f;font-weight:900;font-size:13px}
.product-card h3{font-size:34px;margin:14px 0}
.product-card p{color:rgba(255,255,255,.72);line-height:1.85;font-size:17px}
.product-card strong{display:inline-block;margin-top:18px;color:#fff}

.about-box{max-width:880px}
.about-box span{color:#96704f;font-weight:900;letter-spacing:3px}
.about-box h2{font-size:46px;margin:14px 0}
.about-box p{color:#5e6a70;line-height:1.9;font-size:18px}

.footer{background:#0b0d0e;color:rgba(255,255,255,.68)}
.footer-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:18px}

@media(max-width:900px){
  .hc-header{padding:0 20px}
  .hc-nav{display:none}
  .hc-top-btn{display:none}
  .hero h1{font-size:44px}
  .hero p{font-size:16px}
  .hero-card{bottom:24px}
  .case-grid,.news-grid,.product-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;justify-content:center;text-align:center}
}