:root{
  --gold:#d4af37; --gold-light:#f0d78c; --gold-dark:#a8842a;
  --black:#0a0a0a; --panel:#141414; --panel2:#1e1a12;
  --text:#f5f0e6; --muted:#a89f8d; --border:#2e2a20;
  --green:#3fb950; --red:#f85149;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--black);color:var(--text);font-family:'Segoe UI','PingFang SC',sans-serif;line-height:1.7;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ── 顶栏 ── */
header{position:sticky;top:0;z-index:100;background:rgba(10,10,10,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);}
.top-bar{background:var(--gold-dark);color:#000;text-align:center;font-size:12.5px;padding:6px 10px;font-weight:600;letter-spacing:.5px;}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1200px;margin:0 auto;}
.logo{font-size:24px;font-weight:800;letter-spacing:2px;color:var(--gold);}
.logo span{color:var(--text);}
.nav-links{display:flex;gap:26px;font-size:14.5px;}
.nav-links a:hover{color:var(--gold);}
.nav-actions{display:flex;gap:16px;align-items:center;}
.cart-btn{position:relative;cursor:pointer;font-size:20px;}
.cart-badge{position:absolute;top:-8px;right:-10px;background:var(--gold);color:#000;font-size:11px;font-weight:700;min-width:18px;height:18px;line-height:18px;text-align:center;border-radius:9px;}
.burger{display:none;font-size:22px;cursor:pointer;}
@media(max-width:820px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--panel);flex-direction:column;padding:18px 24px;gap:16px;border-bottom:1px solid var(--border);} .nav-links.open{display:flex;} .burger{display:block;}}

/* ── Hero（AI 品牌图按高度完整显示不裁切，首饰全入镜；文字块贴左）── */
.hero{position:relative;min-height:560px;display:flex;align-items:center;background:#080705;overflow:hidden;}
/* 模特图：130% 宽右锚定（模特脸恒定落在画面约 2/3 处、紧挨文字），上下聚焦人脸/项链，左侧靠深色渐变压暗融合 */
.hero-img{position:absolute;right:0;top:0;width:130%;height:100%;z-index:0;
  object-fit:cover;object-position:right 24%;
  filter:brightness(.88) saturate(1.08);}
.hero::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:
  linear-gradient(90deg, #080705 0%, #080705 34%, rgba(8,7,5,.6) 48%, rgba(8,7,5,.12) 62%, rgba(8,7,5,0) 72%);}
.hero .wrap{width:100%;position:relative;z-index:2;}
.hero-inner{max-width:660px;}
@media(min-width:1700px){
  .hero-img{width:108%;}
}
@media(max-width:900px){
  .hero-img{height:100%;width:100%;object-fit:cover;object-position:center top;mask-image:none;-webkit-mask-image:none;transform:none;}
  .hero::before{background:linear-gradient(180deg, rgba(8,7,5,.35) 0%, rgba(8,7,5,.92) 78%);}
  .hero-inner{max-width:100%;padding:48px 0;}
}
.hero h1{font-size:44px;font-weight:900;line-height:1.25;letter-spacing:1px;}
.hero h1 em{color:var(--gold);font-style:normal;}
.hero p{margin:18px 0 30px;color:var(--muted);font-size:17px;max-width:560px;}
.btn{display:inline-block;background:var(--gold);color:#000;font-weight:700;padding:14px 34px;border-radius:4px;letter-spacing:1px;font-size:15px;border:none;cursor:pointer;transition:.2s;}
.btn:hover{background:var(--gold-light);}
.btn-outline{background:transparent;color:var(--gold);border:1px solid var(--gold);}
.btn-outline:hover{background:var(--gold);color:#000;}
.hero-badges{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap;}
.hero-badges span{font-size:13px;color:var(--muted);}
.hero-badges b{color:var(--gold);}

/* ── 分区标题 ── */
section{padding:64px 0;}
.sec-title{text-align:center;margin-bottom:38px;}
.sec-title h2{font-size:30px;font-weight:800;letter-spacing:1px;}
.sec-title h2 em{color:var(--gold);font-style:normal;}
.sec-title p{color:var(--muted);margin-top:8px;font-size:14.5px;}
.gold-line{width:64px;height:3px;background:var(--gold);margin:14px auto 0;}

/* ── 分类卡 ── */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:34px 20px;text-align:center;transition:.25s;cursor:pointer;}
.cat-card:hover{border-color:var(--gold);transform:translateY(-4px);}
.cat-icon{font-size:34px;margin-bottom:12px;}
.cat-card h3{font-size:16.5px;}
.cat-card p{font-size:12.5px;color:var(--muted);margin-top:6px;}
@media(max-width:820px){.cats{grid-template-columns:repeat(2,1fr);}}

/* ── 商品网格 ── */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media(max-width:980px){.grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:700px){.grid{grid-template-columns:repeat(2,1fr);}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:.25s;display:flex;flex-direction:column;}
.card:hover{border-color:var(--gold);transform:translateY(-4px);}
.card-img{aspect-ratio:1;background:linear-gradient(145deg,var(--panel2),var(--panel));display:flex;align-items:center;justify-content:center;font-size:52px;position:relative;}
.card-img img,.feat-img img,.pd-img img,.cart-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.card-badge{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-size:11px;font-weight:700;padding:3px 9px;border-radius:3px;letter-spacing:.5px;}
.card-badge.gold{background:var(--gold);color:#000;}
.card-body{padding:14px 14px 16px;display:flex;flex-direction:column;flex:1;}
.card-cat{font-size:11px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;}
.card-name{font-size:14.5px;margin:6px 0 10px;line-height:1.45;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-price{display:flex;align-items:center;gap:8px;}
.price-now{color:var(--gold);font-weight:800;font-size:17px;}
.price-was{color:var(--muted);font-size:13px;text-decoration:line-through;}
.card-add{margin-top:12px;background:var(--gold);color:#000;border:none;padding:9px;font-weight:700;border-radius:4px;cursor:pointer;font-size:13px;letter-spacing:.5px;}
.card-add:hover{background:var(--gold-light);}

/* ── 商品详情 ── */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
@media(max-width:820px){.pd{grid-template-columns:1fr;}}
.pd-img{aspect-ratio:1;background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:120px;}
.pd-info h1{font-size:26px;line-height:1.4;}
.pd-price{font-size:30px;color:var(--gold);font-weight:900;margin:16px 0 6px;}
.pd-was{color:var(--muted);text-decoration:line-through;font-size:16px;margin-left:10px;}
.pd-meta{font-size:13px;color:var(--muted);margin-bottom:20px;}
.pd-meta b{color:var(--green);}
.pd-desc{font-size:14.5px;color:var(--muted);border-top:1px solid var(--border);padding-top:18px;}
.pd-desc ul{padding-left:20px;margin-top:10px;}
.pd-desc li{margin:5px 0;}
.pd-cta{display:flex;gap:12px;margin-top:24px;}
.pd-cta .btn{flex:1;text-align:center;}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;}
.trust div{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:12px;text-align:center;font-size:12px;color:var(--muted);}
.trust b{display:block;color:var(--gold);font-size:18px;margin-bottom:4px;}

/* ── 故事 ── */
.story{background:var(--panel2);}
.story-inner{max-width:800px;margin:0 auto;text-align:center;}
.story-inner h2{font-size:28px;}
.story-inner h2 em{color:var(--gold);font-style:normal;}
.story-inner p{color:var(--muted);margin-top:16px;font-size:15.5px;}
.story-sister{margin-top:22px;font-size:13.5px;color:var(--muted);}
.story-sister a{color:var(--gold);border-bottom:1px solid var(--gold-dark);}

/* ── 页脚 ── */
footer{background:#070707;border-top:1px solid var(--border);padding:48px 0 26px;margin-top:40px;}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;}
@media(max-width:720px){.f-grid{grid-template-columns:1fr 1fr;}}
.f-grid h4{color:var(--gold);font-size:14px;letter-spacing:1px;margin-bottom:14px;}
.f-grid a{display:block;font-size:13.5px;color:var(--muted);margin:8px 0;}
.f-grid a:hover{color:var(--gold);}
.f-brand{font-size:20px;font-weight:800;color:var(--gold);margin-bottom:10px;}
.f-desc{font-size:13px;color:var(--muted);max-width:300px;}
.f-bottom{text-align:center;color:#5a544a;font-size:12px;margin-top:36px;padding-top:20px;border-top:1px solid var(--border);}

/* ── 购物车 ── */
.cart-page{max-width:860px;margin:0 auto;}
.cart-item{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:12px;}
.cart-thumb{width:76px;height:76px;background:var(--panel2);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0;}
.cart-info{flex:1;}
.cart-info h3{font-size:14.5px;}
.cart-info .price-now{font-size:15px;}
.cart-qty{display:flex;align-items:center;gap:10px;}
.cart-qty button{width:26px;height:26px;background:var(--panel2);border:1px solid var(--border);color:var(--text);border-radius:4px;cursor:pointer;font-size:15px;}
.cart-remove{color:var(--red);cursor:pointer;font-size:12.5px;background:none;border:none;}
.cart-sum{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:22px;margin-top:20px;}
.sum-row{display:flex;justify-content:space-between;font-size:14.5px;margin:8px 0;color:var(--muted);}
.sum-row.total{color:var(--text);font-weight:800;font-size:18px;border-top:1px solid var(--border);padding-top:12px;margin-top:12px;}
.sum-row.total .price-now{font-size:22px;}
.empty-cart{text-align:center;padding:80px 20px;color:var(--muted);}
.empty-cart .big{font-size:56px;margin-bottom:16px;}

/* ── 政策页 ── */
.policy{max-width:820px;margin:0 auto;}
.policy h1{font-size:30px;margin-bottom:6px;}
.policy .updated{color:var(--muted);font-size:13px;margin-bottom:28px;}
.policy h2{font-size:19px;color:var(--gold);margin:26px 0 10px;}
.policy p,.policy li{font-size:14.5px;color:var(--muted);}
.policy ul{padding-left:22px;margin:10px 0;}
.policy .note{background:var(--panel2);border-left:3px solid var(--gold);padding:14px 18px;border-radius:0 8px 8px 0;margin:16px 0;font-size:13.5px;color:var(--text);}

/* ── 结算 ── */
.checkout-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;}
@media(max-width:820px){.checkout-grid{grid-template-columns:1fr;}}
.form-box{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px;}
.form-box h3{font-size:16px;margin-bottom:16px;color:var(--gold);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.field input,.field select{width:100%;background:var(--black);border:1px solid var(--border);border-radius:6px;padding:11px 12px;color:var(--text);font-size:14px;}
.field input:focus{outline:none;border-color:var(--gold);}
.pp-note{background:var(--panel2);border:1px dashed var(--gold-dark);border-radius:8px;padding:16px;font-size:13px;color:var(--muted);text-align:center;margin-top:14px;}

/* ── 社会证明销量标签（1688 已售件数复刻）── */
.sold-tag{position:absolute;bottom:10px;right:10px;background:rgba(10,10,10,.82);border:1px solid var(--gold-dark);color:var(--gold-light);font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px;letter-spacing:.3px;}

/* ── 主推大卡（臻品推荐复刻）── */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:860px){.feat-grid{grid-template-columns:1fr;}}
.feat-card{display:flex;gap:0;background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--border);border-radius:14px;overflow:hidden;cursor:pointer;transition:.25s;}
.feat-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 14px 40px rgba(212,175,55,.10);}
.feat-img{flex:0 0 44%;min-height:280px;background:linear-gradient(145deg,#221c10,#141414);display:flex;align-items:center;justify-content:center;font-size:96px;position:relative;}
.feat-body{flex:1;padding:28px 26px;display:flex;flex-direction:column;justify-content:center;}
.feat-tag{font-size:11px;letter-spacing:2px;color:var(--gold);text-transform:uppercase;margin-bottom:8px;}
.feat-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.feat-body p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
@media(max-width:860px){.feat-img{min-height:210px;font-size:72px;} .feat-body{padding:20px;}}

/* ── 双列陈列（Shop Everything 区，密度更高）── */
.grid-dense{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
@media(max-width:1080px){.grid-dense{grid-template-columns:repeat(4,1fr);}}
@media(max-width:860px){.grid-dense{grid-template-columns:repeat(3,1fr);}}
@media(max-width:640px){.grid-dense{grid-template-columns:repeat(2,1fr);}}
.grid-dense .card-img{font-size:40px;}
.grid-dense .card-body{padding:11px 11px 13px;}
.grid-dense .card-name{font-size:13px;-webkit-line-clamp:2;}
.grid-dense .price-now{font-size:15px;}
.grid-dense .card-add{padding:7px;font-size:12px;margin-top:9px;}
.grid-dense .sold-tag{font-size:10px;padding:2px 7px;bottom:8px;right:8px;}

/* ── 信任条（页面级，紧跟 hero）── */
.trustbar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-top:-34px;position:relative;z-index:5;background:var(--panel);}
.trustbar div{padding:18px 14px;text-align:center;font-size:12.5px;color:var(--muted);border-right:1px solid var(--border);}
.trustbar div:last-child{border-right:none;}
.trustbar b{display:block;color:var(--gold);font-size:15px;margin-bottom:3px;letter-spacing:.5px;}
@media(max-width:720px){.trustbar{grid-template-columns:repeat(2,1fr);} .trustbar div{border-bottom:1px solid var(--border);}}

/* ── 分区小标签（右上 MORE 链接）── */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:34px;}
.sec-head .sec-title{text-align:left;margin-bottom:0;}
.sec-head .gold-line{margin-left:0;}
.sec-more{font-size:13px;color:var(--gold);letter-spacing:1px;white-space:nowrap;padding-bottom:4px;}
.sec-more:hover{color:var(--gold-light);}
@media(max-width:640px){.sec-head{flex-direction:column;align-items:flex-start;gap:8px;}}