:root{--bg:#0a0a0b;--bg-soft:#121214;--bg-card:#1a1a1d;--gold:#c9a96e;--gold-light:#e8d5a3;--text:#f5f2eb;--muted:#a8a29e;--border:rgba(201,169,110,.25)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-weight:300}
html[lang=zh] body{font-family:'Noto Sans SC',Inter,sans-serif}
h1,h2,h3{font-family:'Playfair Display',Georgia,serif;font-weight:500}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.nav{position:fixed;top:0;left:0;right:0;z-index:20;padding:.95rem 0;background:rgba(10,10,11,.96);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-right{display:flex;align-items:center;gap:1rem}
.lang-switch{display:flex;align-items:center;gap:.35rem;font-size:.75rem;letter-spacing:.08em}
.lang-btn{background:none;border:none;color:var(--muted);cursor:pointer;padding:.25rem .4rem;font-family:inherit;font-size:.75rem}
.lang-btn.active{color:var(--gold)}
.lang-divider{color:var(--muted);opacity:.5}
.logo{font-family:'Playfair Display',serif;letter-spacing:.18em;color:var(--gold);font-size:1.25rem}
.logo span{color:var(--text);font-size:.8em}
.nav-links{display:flex;gap:1.6rem;list-style:none;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}
.nav-links a{color:var(--muted)}.nav-links a:hover{color:var(--gold)}
.nav-cta{border:1px solid var(--gold);color:var(--gold);padding:.45rem 1.1rem;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}
.crumb{padding:6.2rem 0 1.2rem;color:var(--muted);font-size:.85rem}
.crumb a:hover{color:var(--gold)}
.product{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;padding:1rem 0 5rem;align-items:start}
.gallery{display:grid;gap:.75rem}
.gallery .main{aspect-ratio:4/5;overflow:hidden;border:1px solid var(--border)}
.gallery .main img,.thumbs img{width:100%;height:100%;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}
.thumbs a{aspect-ratio:1;overflow:hidden;border:1px solid transparent}
.thumbs a:hover{border-color:var(--gold)}
.badge{font-size:.7rem;letter-spacing:.28em;color:var(--gold);text-transform:uppercase;margin-bottom:.8rem}
.product h1{font-size:clamp(1.8rem,3.5vw,2.6rem);line-height:1.25;margin-bottom:1rem}
.lead{color:var(--muted);margin-bottom:1.6rem;font-size:1.05rem}
.meta{display:grid;grid-template-columns:1fr 1fr;gap:.7rem 1.2rem;margin:1.6rem 0 2rem;padding:1.3rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:.92rem}
.meta dt{color:var(--muted)}.meta dd{color:var(--gold-light)}
.opts h3{font-size:1.05rem;margin:1.4rem 0 .7rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{border:1px solid var(--border);padding:.4rem .8rem;font-size:.82rem;color:var(--muted)}
.chip.on{border-color:var(--gold);color:var(--gold)}
.btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}
.btn{padding:.95rem 1.7rem;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.btn-g{background:var(--gold);color:var(--bg)}
.btn-o{border:1px solid rgba(245,242,235,.35)}
.section{padding:4.5rem 0;background:var(--bg-soft)}
.section.alt{background:var(--bg)}
.section h2{font-size:2rem;margin-bottom:.6rem}
.sec-desc{color:var(--muted);max-width:560px;margin-bottom:2.2rem}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.spec{background:var(--bg-card);padding:1.5rem 1.3rem;border:1px solid transparent}
.spec:hover{border-color:var(--border)}
.spec h3{font-size:1.05rem;margin-bottom:.45rem}
.spec p{color:var(--muted);font-size:.92rem}
.table{width:100%;border-collapse:collapse;font-size:.95rem}
.table th,.table td{padding:.85rem 0;border-bottom:1px solid var(--border);text-align:left}
.table th{color:var(--muted);font-weight:400;width:38%}
.cta-bar{text-align:center;padding:5.5rem 0}
.cta-bar h2{font-size:2.2rem;margin-bottom:.8rem}
.cta-bar p{color:var(--muted);margin-bottom:1.6rem}
footer{padding:2rem 0;border-top:1px solid var(--border);color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
@media(max-width:900px){.product,.specs{grid-template-columns:1fr}.nav-links{display:none}}