:root{--red:#b80f18;--red2:#d2202a;--gold:#b58a2c;--ink:#171717;--muted:#666;--line:#ece8e1;--cream:#faf8f4}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{min-height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-mark{font-family:Georgia,serif;font-size:42px;color:var(--gold);line-height:1}
.brand-title strong{display:block;font-size:20px}.brand-title small{font-size:10px;color:#555}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px;font-weight:700}
.nav a{padding:25px 0;border-bottom:3px solid transparent}
.nav a:hover,.nav a.active{color:var(--red);border-bottom-color:var(--red)}
.kefu-top,.cta-primary{border:0;background:linear-gradient(135deg,var(--red2),var(--red));color:#fff;border-radius:999px;padding:12px 22px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(184,15,24,.22)}
.hero{position:relative;min-height:520px;display:flex;align-items:center;background-size:cover;background-position:center}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.24) 58%,rgba(0,0,0,.06))}
.hero-content{position:relative;z-index:2;color:#fff;max-width:670px;padding:88px 0}
.hero-kicker{display:inline-block;border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:8px 16px;margin-bottom:20px}
.hero h1{font-size:54px;line-height:1.15;margin:0 0 16px;color:#f1cf78;text-shadow:0 2px 18px rgba(0,0,0,.45)}
.hero h2{font-size:24px;margin:0 0 16px}
.hero p{font-size:17px;line-height:1.9;max-width:640px}
.hero-actions{display:flex;gap:14px;margin-top:26px}
.cta-secondary{border:1px solid rgba(255,255,255,.55);color:#fff;border-radius:999px;padding:12px 22px;font-weight:800;background:rgba(255,255,255,.08)}
.trust-strip{position:relative;margin-top:-32px;z-index:4}
.trust-inner{background:#fff;border-radius:18px;box-shadow:0 18px 45px rgba(0,0,0,.12);display:grid;grid-template-columns:repeat(4,1fr);padding:22px}
.trust-item{display:flex;gap:12px;align-items:center;padding:0 18px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}.trust-icon{font-size:26px;color:var(--red)}
.section{padding:72px 0}.section.alt{background:var(--cream)}
.section-title{text-align:center;margin-bottom:34px}.section-title h2{font-size:32px;margin:0 0 10px}.section-title p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 28px rgba(0,0,0,.06)}
.card img{width:100%;height:220px;object-fit:cover}
.card-body{padding:20px}.card-no{display:inline-flex;background:var(--red);color:#fff;border-radius:6px;padding:5px 9px;font-weight:800;font-size:13px}
.card h3{font-size:21px;margin:12px 0}.card p{color:#555;line-height:1.85;margin:0}.card-link{display:inline-block;margin-top:14px;color:var(--red);font-weight:800}
.article{max-width:900px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 10px 30px rgba(0,0,0,.05)}
.article p{font-size:17px;line-height:2;color:#444}.article h2{color:var(--red)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery img{width:100%;height:250px;object-fit:cover;border-radius:14px}
.footer{background:linear-gradient(135deg,#a60d14,#d3212b);color:#fff;padding:34px 0 90px}
.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.footer small{opacity:.85}
.chat-box{position:fixed;right:24px;bottom:108px;width:290px;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.2);z-index:60;overflow:hidden;border:1px solid #eee}
.chat-head{background:var(--red);color:#fff;padding:13px 16px;font-weight:800;display:flex;justify-content:space-between}
.chat-body{padding:18px;color:#333;line-height:1.7}.chat-body button{width:100%;margin-top:12px}
.float-kefu{position:fixed;right:26px;bottom:26px;width:68px;height:68px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--red2),var(--red));color:#fff;font-weight:800;box-shadow:0 12px 30px rgba(184,15,24,.35);z-index:70;cursor:pointer}
.mobile-menu{display:none}
@media(max-width:900px){
 .nav{display:none}.mobile-menu{display:block;margin-left:auto;background:none;border:0;font-size:26px}
 .header-inner{min-height:64px}.brand-title strong{font-size:16px}.brand-mark{font-size:34px}.kefu-top{padding:10px 14px}
 .hero{min-height:610px;background-position:60% center}.hero:before{background:linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.36))}
 .hero-content{padding:92px 0}.hero h1{font-size:38px}.hero h2{font-size:21px}.hero p{font-size:15px}
 .trust-inner{grid-template-columns:1fr 1fr;gap:14px}.trust-item{border-right:0;padding:8px}
 .cards,.gallery{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
 .hero h1{font-size:32px}.hero-actions{flex-direction:column;align-items:flex-start}
 .trust-strip{margin-top:-18px}.trust-inner{grid-template-columns:1fr}
 .cards,.gallery{grid-template-columns:1fr}.card img,.gallery img{height:230px}
 .section{padding:52px 0}.article{padding:22px}.article p{font-size:16px}
 .chat-box{display:none}.footer-inner{flex-direction:column}.footer{padding-bottom:110px}
}