:root{
  --paper:#FAF7F2;
  --paper-2:#F2ECE3;
  --ink:#15120F;
  --ink-2:#4A423A;
  --ink-3:#8A7F72;
  --gold:#B08D57;
  --gold-soft:#D9C4A0;
  --line:rgba(21,18,15,.13);
  --line-soft:rgba(21,18,15,.07);
  --white:#fff;
  --serif:"Georgia","Times New Roman","Songti SC","Noto Serif SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  --r:2px;
  --maxw:1440px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--gold-soft);color:var(--ink)}

/* ---------------- 顶栏 ---------------- */
.topbar{
  position:sticky;top:0;z-index:60;background:rgba(250,247,242,.92);
  backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line-soft);
}
.topbar-in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:74px;display:flex;align-items:center;gap:26px}
.brand{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.brand b{font-family:var(--serif);font-size:21px;letter-spacing:.22em;font-weight:400;text-transform:uppercase}
.brand span{font-size:9px;letter-spacing:.28em;color:var(--ink-3);text-transform:uppercase;margin-top:5px}
.topbar .spacer{flex:1}
.roleswitch{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.rolebadge{border:1px solid var(--gold);color:var(--gold);padding:4px 10px;border-radius:99px;font-size:10px;letter-spacing:.14em}
.rolebadge.retail{border-color:var(--line);color:var(--ink-2)}
.iconbtn{background:none;border:1px solid var(--line);border-radius:99px;padding:6px 13px;font-size:11px;letter-spacing:.08em;color:var(--ink-2);transition:.2s}
.iconbtn:hover{border-color:var(--ink);color:var(--ink)}

/* ---------------- 搜索 ---------------- */
.searchwrap{position:relative;flex:0 0 260px}
.searchwrap input{
  width:100%;height:38px;border:1px solid var(--line);background:transparent;border-radius:99px;
  padding:0 16px 0 38px;font-size:13px;color:var(--ink);outline:none;transition:.2s
}
.searchwrap input:focus{border-color:var(--ink);background:var(--white)}
.searchwrap svg{position:absolute;left:14px;top:12px;opacity:.45}

/* ---------------- 筛选 ---------------- */
.filterbar{max-width:var(--maxw);margin:0 auto;padding:22px 28px 6px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.chip{
  border:1px solid var(--line);background:transparent;border-radius:99px;padding:7px 16px;
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);transition:.18s;white-space:nowrap
}
.chip:hover{border-color:var(--ink-2);color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip small{opacity:.5;margin-left:5px;font-size:10px}

/* ---------------- 网格 ---------------- */
.grid{
  max-width:var(--maxw);margin:0 auto;padding:18px 28px 90px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:34px 22px
}
.card{display:block;position:relative}
.card .frame{
  position:relative;overflow:hidden;background:var(--paper-2);aspect-ratio:4/5;border-radius:var(--r)
}
.card .frame img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .35s}
.card .frame img.alt{position:absolute;inset:0;opacity:0}
.card:hover .frame img.main{opacity:0}
.card:hover .frame img.alt{opacity:1}
.card:hover .frame{transform:translateY(-2px)}
.card .meta{padding:13px 2px 0}
.card .nm{font-size:13.5px;line-height:1.45;color:var(--ink);display:block;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .sub{display:flex;justify-content:space-between;align-items:baseline;margin-top:5px;gap:8px}
.card .sku{font-size:10.5px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .price{font-family:var(--serif);font-size:14px;color:var(--ink);white-space:nowrap}
.card .price.wholesale{color:var(--gold)}
.tagpill{position:absolute;left:10px;top:10px;background:rgba(250,247,242,.9);backdrop-filter:blur(6px);
  font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;color:var(--ink-2);border-radius:1px}
.pcount{position:absolute;right:10px;bottom:10px;background:rgba(21,18,15,.55);color:#fff;
  font-size:10px;padding:3px 7px;border-radius:1px;letter-spacing:.06em}

.empty{max-width:var(--maxw);margin:0 auto;padding:120px 28px;text-align:center;color:var(--ink-3)}
.empty h3{font-family:var(--serif);font-weight:400;font-size:22px;color:var(--ink-2)}

/* ---------------- 加载更多 ---------------- */
.loadmore{display:flex;justify-content:center;padding:0 0 70px}
.loadmore button{border:1px solid var(--line);background:transparent;padding:13px 42px;border-radius:99px;
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);transition:.2s}
.loadmore button:hover{border-color:var(--ink);color:var(--ink)}
.loadmore .end{font-size:11px;letter-spacing:.2em;color:var(--ink-3);text-transform:uppercase}

/* ---------------- 产品页 ---------------- */
.pdp{max-width:var(--maxw);margin:0 auto;padding:30px 28px 100px;display:grid;grid-template-columns:1.65fr 1fr;gap:56px;align-items:start}
.pdp-gallery{display:flex;gap:14px;align-items:flex-start}
.thumbs{display:flex;flex-direction:column;gap:9px;width:76px;flex-shrink:0;max-height:640px;overflow-y:auto;scrollbar-width:none}
.thumbs::-webkit-scrollbar{display:none}
.thumbs button{padding:0;border:1px solid transparent;background:var(--paper-2);aspect-ratio:4/5;overflow:hidden;border-radius:1px;opacity:.62;transition:.2s}
.thumbs button.on{border-color:var(--ink);opacity:1}
.thumbs button:hover{opacity:1}
.thumbs img{width:100%;height:100%;object-fit:cover}
.mainimg{position:relative;flex:1;background:var(--paper-2);aspect-ratio:4/5;overflow:hidden;border-radius:var(--r);cursor:zoom-in}
.mainimg img{width:100%;height:100%;object-fit:cover}
.mainimg .zoom{position:absolute;right:14px;bottom:14px;background:rgba(250,247,242,.92);border-radius:99px;
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--ink-2)}
.pdp-info{position:sticky;top:104px}
.pdp-info .tag{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.pdp-info h1{font-family:var(--serif);font-size:31px;line-height:1.25;font-weight:400;margin:14px 0 0;letter-spacing:.01em}
.pdp-info .sku{font-size:11px;letter-spacing:.16em;color:var(--ink-3);margin-top:12px;text-transform:uppercase}
.rule{height:1px;background:var(--line);margin:26px 0}
.pricelabel{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}
.pricebig{font-family:var(--serif);font-size:38px;margin-top:8px;letter-spacing:-.01em}
.pricebig.wholesale{color:var(--gold)}
.pricenote{font-size:11.5px;color:var(--ink-3);margin-top:10px;line-height:1.7}
.specs{display:flex;flex-direction:column;gap:11px;margin-top:4px}
.specs div{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);padding-bottom:11px;border-bottom:1px solid var(--line-soft)}
.specs span:first-child{color:var(--ink-3);letter-spacing:.06em}
.backlink{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:26px;text-transform:uppercase}
.backlink:hover{color:var(--ink)}

/* ---------------- 灯箱 ---------------- */
.lb{position:fixed;inset:0;z-index:200;background:rgba(18,15,12,.96);display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:92vw;max-height:88vh;object-fit:contain}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);background:none;border:1px solid rgba(255,255,255,.25);
  color:#fff;width:46px;height:46px;border-radius:50%;font-size:18px;display:flex;align-items:center;justify-content:center}
.lb .nav:hover{background:rgba(255,255,255,.12)}
.lb .prev{left:26px}.lb .next{right:26px}
.lb .close{position:absolute;top:22px;right:26px;background:none;border:none;color:#fff;font-size:26px;opacity:.7}
.lb .cnt{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:rgba(255,255,255,.6);font-size:11.5px;letter-spacing:.16em}

/* ---------------- 门禁页 ---------------- */
.gate{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;
  background:radial-gradient(120% 90% at 50% 0%,#fff 0%,var(--paper) 46%,var(--paper-2) 100%)}
.gate-card{width:100%;max-width:400px;text-align:center}
.gate-card .mark{font-family:var(--serif);font-size:15px;letter-spacing:.42em;text-transform:uppercase;color:var(--ink)}
.gate-card .markline{width:44px;height:1px;background:var(--gold);margin:22px auto}
.gate-card h1{font-family:var(--serif);font-size:27px;font-weight:400;margin:0 0 10px;letter-spacing:.02em}
.gate-card p{font-size:12.5px;color:var(--ink-3);margin:0 0 30px;line-height:1.8}
.gate-card form{display:flex;flex-direction:column;gap:12px}
.gate-card input{
  height:50px;border:1px solid var(--line);background:var(--white);text-align:center;border-radius:var(--r);
  font-size:14px;letter-spacing:.24em;color:var(--ink);outline:none;transition:.2s;text-transform:uppercase
}
.gate-card input:focus{border-color:var(--ink)}
.gate-card input::placeholder{letter-spacing:.1em;text-transform:none;color:var(--ink-3);font-size:12.5px}
.gate-card button{
  height:50px;border:none;background:var(--ink);color:var(--paper);border-radius:var(--r);
  font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;transition:.2s
}
.gate-card button:hover{background:var(--gold)}
.gate-err{color:#B4432F;font-size:12px;min-height:18px;letter-spacing:.02em}
.gate-foot{margin-top:46px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}

/* ---------------- 页脚 ---------------- */
.foot{border-top:1px solid var(--line-soft);padding:34px 28px;text-align:center;font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}

@media (max-width:1100px){
  .grid{grid-template-columns:repeat(3,1fr);gap:26px 16px}
  .pdp{grid-template-columns:1fr;gap:32px}
  .pdp-info{position:static}
  .topbar-in{gap:14px;padding:0 18px}
  .searchwrap{flex:1 1 auto;min-width:0}
}
@media (max-width:720px){
  .grid{grid-template-columns:repeat(2,1fr);gap:20px 11px;padding:14px 14px 60px}
  .filterbar{padding:16px 14px 4px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .filterbar::-webkit-scrollbar{display:none}
  .brand b{font-size:16px}
  .brand span{display:none}
  .rolebadge{display:none}
  .pdp{padding:16px 14px 60px}
  .thumbs{width:56px}
  .pdp-info h1{font-size:24px}
  .pricebig{font-size:30px}
  .topbar-in{height:60px}
}

/* ---------------- 语种切换 VI / EN / 中文 ---------------- */
.langsw{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:99px;padding:3px;vertical-align:middle}
.langbtn{
  font-size:10.5px;letter-spacing:.06em;line-height:1.5;padding:3px 9px;border-radius:99px;
  color:var(--ink-3);text-decoration:none;transition:.18s;white-space:nowrap
}
.langbtn:hover{color:var(--ink);border-color:transparent}
.langbtn.on{background:var(--ink);color:var(--paper)}
.gate-foot .langsw{margin:0 auto;letter-spacing:normal;text-transform:none;font-size:10.5px}
@media(max-width:640px){
  /* 三语按钮占位后，一行放不下「品牌+搜索+语言+退出」，改为两行：搜索框独占第二行 */
  .topbar-in{flex-wrap:wrap;height:auto;padding:10px 14px 12px;gap:8px 10px}
  .topbar .spacer{display:none}
  .brand{order:1}
  .roleswitch{display:none}
  .langsw{order:2;margin-left:auto;padding:2px}
  .topbar-in > .iconbtn{order:3;padding:6px 11px;font-size:10.5px}
  .searchwrap{order:4;flex:1 1 100%;min-width:0}
  .searchwrap input{height:36px;font-size:12.5px}
  .searchwrap svg{top:11px}
  .langbtn{padding:3px 7px;font-size:10px}
}