:root{--bg-dark:#16110c;--panel:#241a12;--wood-light:#8a5a34;--gold:#d4a24e;--gold-bright:#f0c877;--text:#f3ece2;--text-dim:#b8a893;--line:rgba(212,162,78,.18);--max:1200px;--radius:14px;--shadow:0 18px 45px rgba(0,0,0,.45)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;background:var(--bg-dark);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.gold-text{background:linear-gradient(90deg,var(--gold),var(--gold-bright),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{position:sticky;top:0;z-index:100;background:rgba(18,13,9,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo img{height:34px;width:auto}
.nav-logo .brand-cn{font-size:15px;font-weight:600;letter-spacing:.5px;color:var(--text)}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{padding:8px 18px;border-radius:999px;font-size:15px;color:var(--text-dim);transition:.25s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--bg-dark);background:linear-gradient(120deg,var(--gold),var(--gold-bright));font-weight:600}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--gold-bright);border-radius:2px;transition:.3s}
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 75% 20%,rgba(212,162,78,.18),transparent 60%),radial-gradient(900px 500px at 10% 90%,rgba(139,90,52,.25),transparent 60%),linear-gradient(160deg,#1c140d,#0f0b07)}
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:80px 0 90px}
.hero-eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--gold-bright);border:1px solid var(--line);padding:6px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;font-weight:800;letter-spacing:1px;margin-bottom:22px}
.hero p.lead{font-size:17px;color:var(--text-dim);max-width:540px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:.28s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(120deg,var(--gold),var(--gold-bright));color:#1a1206}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(212,162,78,.3)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright)}
.hero-visual{position:relative;text-align:center}
.hero-visual::after{content:"";position:absolute;inset:8% 6%;background:radial-gradient(circle,rgba(240,200,119,.22),transparent 70%);filter:blur(30px);z-index:0}
.hero-visual img{position:relative;z-index:1;margin:0 auto;border-radius:20px;filter:drop-shadow(0 30px 50px rgba(0,0,0,.6));animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.section{padding:86px 0}
.section-head{text-align:center;margin-bottom:54px}
.section-head .kicker{color:var(--gold-bright);letter-spacing:3px;font-size:13px;text-transform:uppercase}
.section-head h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;margin:12px 0 14px}
.section-head p{color:var(--text-dim);max-width:620px;margin:0 auto}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:linear-gradient(180deg,var(--panel),#1a130d);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);border-color:rgba(212,162,78,.5);box-shadow:var(--shadow)}
.card-media{position:relative;aspect-ratio:1/1;overflow:hidden;background:#100b07;cursor:zoom-in}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .card-media img{transform:scale(1.06)}
.card-body{padding:20px 22px 24px}
.card-body h3{font-size:19px;margin-bottom:6px}
.card-body .series{color:var(--gold-bright);font-size:13px;letter-spacing:1px;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;color:var(--text-dim);border:1px solid var(--line);padding:4px 11px;border-radius:999px}
.advantages{background:linear-gradient(180deg,#0f0b07,#17110b)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv{background:rgba(36,26,18,.6);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s}
.adv:hover{transform:translateY(-6px);border-color:rgba(212,162,78,.5)}
.adv-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,rgba(212,162,78,.2),rgba(139,90,52,.25));border:1px solid var(--line);margin-bottom:18px;font-size:26px}
.adv h3{font-size:18px;margin-bottom:8px}
.adv p{color:var(--text-dim);font-size:14.5px}
.page-banner{padding:70px 0 60px;background:radial-gradient(900px 500px at 80% 10%,rgba(212,162,78,.16),transparent 60%),linear-gradient(160deg,#1c140d,#0f0b07);text-align:center}
.page-banner h1{font-size:clamp(30px,4.5vw,48px);font-weight:800;margin-bottom:14px}
.page-banner p{color:var(--text-dim);max-width:620px;margin:0 auto}
.about-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.about-intro .prose p{color:var(--text-dim);margin-bottom:18px;font-size:16px}
.about-intro .prose strong{color:var(--text-dim);font-weight:600}
.about-visual img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:14px}
.highlight{background:rgba(36,26,18,.5);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.highlight .num{font-size:26px}
.highlight h3{font-size:17px;margin:12px 0 6px}
.highlight p{color:var(--text-dim);font-size:14px}
.cat-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat{text-align:center;padding:30px 18px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--panel),#1a130d);transition:.3s}
.cat:hover{transform:translateY(-6px);border-color:rgba(212,162,78,.5)}
.cat .cat-icon{font-size:34px;margin-bottom:12px}
.cat h3{font-size:16px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-item{text-align:center;padding:34px 24px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(36,26,18,.5)}
.contact-item .contact-icon{font-size:32px;margin-bottom:14px}
.contact-item h3{font-size:17px;margin-bottom:10px;color:var(--gold-bright)}
.contact-item p{color:var(--text-dim);font-size:15px;line-height:1.7}
.footer{background:#0d0906;border-top:1px solid var(--line);padding:46px 0 34px;font-size:14px;color:var(--text-dim)}
.footer-top{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.footer-top img{height:30px}
.footer-top span{font-size:16px;color:var(--text);font-weight:600}
.footer-info p{margin-bottom:8px}
.footer-info a{color:var(--gold-bright)}
.footer-info a:hover{text-decoration:underline}
.footer-copy{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px}
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,3,1,.92);display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:var(--shadow)}
.lightbox-close{position:absolute;top:22px;right:28px;font-size:34px;color:var(--text);background:none;border:0;cursor:pointer;line-height:1}
@media (max-width:900px){
.hero-inner{grid-template-columns:1fr;padding:56px 0 64px}
.hero-visual{order:-1}
.hero-visual img{max-width:78%}
.product-grid,.adv-grid,.highlight-grid{grid-template-columns:repeat(2,1fr)}
.about-intro{grid-template-columns:1fr;gap:30px}
.cat-list{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:repeat(2,1fr)}
.nav-toggle{display:flex}
.nav-links{position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:4px;background:rgba(15,11,7,.98);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;padding:0 24px;transition:.3s}
.nav-links.open{max-height:320px;padding-top:14px;padding-bottom:20px}
.nav-links a{width:100%}
}
@media (max-width:560px){
.product-grid,.adv-grid,.highlight-grid,.cat-list,.contact-grid{grid-template-columns:1fr}
.section{padding:60px 0}
}