/* ============================================================
   国际化二手奢侈品商城 · 高保真原型设计系统
   Design Tokens + Components (PC & Mobile 共享)
   ============================================================ */
/* 本地自托管字体（去 Google Fonts 在线依赖，font-display:swap 防 FOIT） */
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/cormorant-garamond-400.woff2') format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/cormorant-garamond-500.woff2') format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/cormorant-garamond-600.woff2') format('woff2')}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/cormorant-garamond-700.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:300;font-display:swap;src:url('fonts/inter-300.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700.woff2') format('woff2')}

:root{
  /* Primitive */
  --ink-900:#0D0B08; --ink-800:#1C1917; --ink-700:#2A2620;
  --stone-600:#44403C; --stone-500:#6B6258; --stone-400:#8A7968;
  --mist-300:#D6D3D1; --cream:#F4EADE; --paper:#FAF7F2; --pearl:#FDFCFA;
  --gold-500:#9B7E4B; --gold-600:#7A6238; --bordeaux:#6E1423;
  --success:#2F6B4F; --error:#8C2A2A; --info:#2A4D6E;
  --promo-yellow:#FFD60A; --promo-orange:#F97316; --promo-red:#DC2626;
  --wa-green:#25D366;
  --font-serif:'Cormorant Garamond',Georgia,serif;
  --font-sans:'Inter',-apple-system,system-ui,sans-serif;
  --ease:cubic-bezier(0.2,0,0,1);
  --shadow-xs:0 1px 2px rgba(14,14,16,.04);
  --shadow-sm:0 2px 8px rgba(14,14,16,.06);
  --shadow-md:0 8px 24px rgba(14,14,16,.10);
  --shadow-lg:0 16px 40px rgba(14,14,16,.14);
}

/* Reset & base */
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--font-sans);background:var(--paper);color:var(--ink-900);font-size:15px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--ink-900);outline-offset:2px}
.serif{font-family:var(--font-serif);font-weight:500}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.container-wide{max-width:1440px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:48px 0}
.overline{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--stone-500);font-weight:500}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-600);font-weight:600}
.divider{height:1px;background:var(--mist-300);border:none}
.text-gold{color:var(--gold-500)}
.text-gold-dark{color:var(--gold-600)}
.text-stone{color:var(--stone-500)}
.text-ink{color:var(--ink-900)}
.text-bordeaux{color:var(--bordeaux)}
.bg-paper{background:var(--paper)}
.bg-cream{background:var(--cream)}
.bg-pearl{background:var(--pearl)}
.bg-ink{background:var(--ink-800);color:var(--pearl)}
.bg-ink-deep{background:var(--ink-900);color:var(--pearl)}

/* Typography scale */
h1,.h1{font-family:var(--font-serif);font-weight:500;font-size:56px;line-height:1.05;letter-spacing:.01em}
h2,.h2{font-family:var(--font-serif);font-weight:500;font-size:40px;line-height:1.1}
h3,.h3{font-family:var(--font-serif);font-weight:500;font-size:28px;line-height:1.2}
h4,.h4{font-family:var(--font-serif);font-weight:500;font-size:22px}
.lead{font-size:18px;line-height:1.7;color:var(--stone-600)}
.price-lg{font-family:var(--font-serif);font-size:34px;font-weight:600;color:var(--ink-900)}
.num{font-variant-numeric:tabular-nums}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:14px 28px;border-radius:3px;white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--ink-900);color:var(--pearl)}
.btn-primary:hover{background:#000;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--ink-900);border:1px solid var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:var(--pearl)}
.btn-ghost{background:var(--pearl);color:var(--ink-900);border:1px solid var(--mist-300)}
.btn-ghost:hover{border-color:var(--ink-900)}
.btn-gold{background:transparent;color:var(--gold-600);border:1px solid var(--gold-500)}
.btn-gold:hover{background:var(--gold-500);color:var(--pearl)}
.btn-bordeaux{background:var(--bordeaux);color:var(--pearl)}
.btn-bordeaux:hover{background:#5a111c}
.btn-block{display:flex;width:100%}
.btn-lg{padding:18px 36px;font-size:14px}
.btn-sm{padding:10px 18px;font-size:12px}

/* Forms */
.field{margin-bottom:18px}
.label{display:block;font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--stone-600);margin-bottom:6px;text-transform:uppercase}
.input{width:100%;padding:14px 16px;border:1px solid var(--mist-300);background:var(--pearl);border-radius:2px;font-size:16px;font-family:inherit;color:var(--ink-900);transition:border-color .2s}
.input:focus{outline:none;border-color:var(--ink-900)}
.input.error{border-color:var(--error)}
.error-text{font-size:12px;color:var(--error);margin-top:4px}

/* Badges & chips */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:2px;text-transform:uppercase}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:6px 12px;border:1px solid var(--mist-300);border-radius:999px;background:var(--pearl);color:var(--stone-600);cursor:pointer;transition:all .2s}
.chip:hover{border-color:var(--ink-900);color:var(--ink-900)}
.chip.active{background:var(--ink-900);color:var(--pearl);border-color:var(--ink-900)}

/* Price block */
.price-row{display:flex;flex-direction:column;gap:2px}
.price-original{font-size:13px;color:var(--stone-400);text-decoration:line-through}
.price-pix{font-size:14px;color:var(--gold-600);font-weight:600}
.badge-pix{background:var(--bordeaux);color:var(--pearl);font-size:10px;font-weight:700;padding:3px 8px;border-radius:2px;letter-spacing:.05em}
.badge-discount{background:var(--ink-900);color:var(--gold-500);font-size:10px;font-weight:700;padding:3px 8px}
.badge-off-outlet{background:var(--promo-red);color:var(--pearl);font-size:11px;font-weight:700;padding:3px 8px;border-radius:2px}

/* Header (PC) */
.announce{background:var(--ink-900);color:var(--pearl);text-align:center;font-size:12px;letter-spacing:.08em;padding:9px;text-transform:uppercase}
.header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--mist-300)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:32px}
.logo{font-family:var(--font-serif);font-size:26px;font-weight:600;letter-spacing:.08em;color:var(--ink-900)}
.nav{display:flex;gap:32px}
.nav-link{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;color:var(--ink-900);position:relative;padding:6px 0;transition:color .2s}
.nav-link:hover{color:var(--gold-600)}
.nav-link::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold-500);transition:width .3s var(--ease)}
.nav-link:hover::after{width:100%}
.nav-link.outlet{color:var(--bordeaux)}
.header-actions{display:flex;align-items:center;gap:18px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:var(--ink-900);position:relative;transition:background .2s}
.icon-btn:hover{background:var(--cream)}
.cart-count{position:absolute;top:2px;right:2px;background:var(--ink-900);color:var(--pearl);font-size:10px;font-weight:600;min-width:16px;height:16px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.locale{font-size:12px;color:var(--stone-600);display:inline-flex;align-items:center;gap:5px;cursor:pointer;padding:7px 10px;border-radius:3px;font-weight:500;letter-spacing:.02em;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease)}

/* Footer */
.footer{background:var(--ink-800);color:var(--pearl);padding:72px 0 32px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:48px;margin-bottom:48px}
.footer h5{font-family:var(--font-serif);font-size:18px;margin-bottom:18px;color:var(--pearl)}
.footer a{display:block;font-size:13px;color:var(--stone-400);padding:5px 0;transition:color .2s}
.footer a:hover{color:var(--gold-500)}
.footer-bottom{border-top:1px solid var(--stone-600);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--stone-400);flex-wrap:wrap;gap:16px}
.pay-icons{display:flex;gap:8px;flex-wrap:wrap}
.footer-logo{color:var(--pearl);margin-bottom:14px}
.footer-desc{color:var(--stone-400);font-size:13px;line-height:1.7}
.footer-secure-copy{color:var(--stone-400);font-size:13px;margin-bottom:14px}
.acc-nav-separator{margin-top:16px;border-top:1px solid var(--mist-300);padding-top:16px}
.text-danger{color:var(--bordeaux)}

/* Trust grid */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--mist-300);border-bottom:1px solid var(--mist-300);background:var(--pearl)}
.trust-item{padding:28px;text-align:center;border-right:1px solid var(--mist-300)}
.trust-item:last-child{border-right:none}
.trust-icon{font-size:22px;margin-bottom:8px;color:var(--gold-500)}
.trust-title{font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:3px}
.trust-desc{font-size:11px;color:var(--stone-500)}

/* Product card */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.product-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.product-card{cursor:pointer;transition:transform .4s var(--ease)}
.product-card:hover{transform:translateY(-2px)}
.product-img{position:relative;background:var(--cream);aspect-ratio:3/4;overflow:hidden;margin-bottom:14px}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.product-card:hover .product-img img{transform:scale(1.04)}
.product-badges{position:absolute;top:12px;left:12px;display:flex;flex-direction:column;gap:6px;z-index:2}
.product-fav{position:absolute;top:12px;right:12px;width:34px;height:34px;background:rgba(253,252,250,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--ink-900);z-index:2}
.product-brand{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-900)}
.product-name{font-size:13px;color:var(--stone-600);margin:2px 0 8px;line-height:1.4}
.product-meta{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.product-price{font-family:var(--font-serif);font-size:20px;font-weight:600}

/* Tabs */
.tabs{display:flex;gap:32px;border-bottom:1px solid var(--mist-300);margin-bottom:28px}
.tab{padding:14px 0;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--stone-500);border-bottom:2px solid transparent;cursor:pointer;font-weight:500;transition:all .2s}
.tab.active{color:var(--ink-900);border-bottom-color:var(--gold-500)}

/* Pagination */
.pages{display:flex;justify-content:center;margin:28px 0 0;padding:4px 0}
.pages:empty{display:none}
.pages .pagination{display:flex;align-items:center;justify-content:center;gap:6px;list-style:none;flex-wrap:wrap}
.pages li{display:flex}
.pages a,.pages span{min-width:44px;height:44px;padding:0 14px;border:1px solid var(--mist-300);border-radius:3px;background:var(--pearl);color:var(--stone-600);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:500;text-decoration:none;line-height:1;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.pages a:hover{border-color:var(--ink-900);color:var(--ink-900);box-shadow:var(--shadow-xs)}
.pages .current,.pages .active span{background:var(--ink-900);border-color:var(--ink-900);color:var(--pearl)}
.pages .disabled span,.pages span.disabled{background:transparent;color:var(--stone-400);border-color:var(--mist-300);cursor:not-allowed;opacity:.65}
.mobile-frame .pages{margin:18px 0 0;padding:12px 16px 22px}
.mobile-frame .pages .pagination{gap:5px}
.mobile-frame .pages a,.mobile-frame .pages span{min-width:44px;height:44px;padding:0 12px;font-size:12px}

/* Mobile static content */
.m-page-title{font-family:var(--font-serif);font-size:17px;text-align:center}
.st-body{padding:20px 16px 32px;font-size:13px;line-height:1.7;color:var(--stone-700)}
.st-body.is-compact{font-size:12px}
.st-body h1{font-family:var(--font-serif);font-size:22px;color:var(--ink-900);margin-bottom:12px}
.st-body.is-compact h1{font-size:20px}
.st-body h2{font-family:var(--font-serif);font-size:16px;margin:18px 0 6px;color:var(--ink-900)}
.st-body.is-compact h2{font-size:14px;margin:14px 0 4px}
.st-body p{margin-bottom:10px}
.st-body.is-compact p{margin-bottom:8px}
.st-note{margin-top:18px;padding:14px;background:var(--cream);border-left:3px solid var(--gold-500);border-radius:2px;font-size:12px}
.ct-info{background:var(--pearl);border:1px solid var(--mist-300);border-radius:2px;padding:14px;margin-bottom:16px}
.ct-info p{margin-bottom:6px}
.ct-info strong{color:var(--ink-900)}
.ct-field{margin-bottom:12px}
.ct-field label{display:block;font-size:11px;color:var(--stone-600);margin-bottom:4px}
.ct-field input,.ct-field textarea{width:100%;padding:11px 12px;border:1px solid var(--mist-300);border-radius:2px;font-family:inherit;font-size:14px;color:var(--ink-900);box-sizing:border-box}
.link-gold{color:var(--gold-600)}
.link-gold-strong{color:var(--gold-600);font-weight:600}

/* Filter sidebar */
.filter-sidebar{width:260px;flex-shrink:0}
.filter-group{border-bottom:1px solid var(--mist-300);padding:18px 0}
.filter-title{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}
.filter-opt{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-size:13px;color:var(--stone-600);cursor:pointer}
.filter-opt:hover{color:var(--ink-900)}
.filter-count{font-size:11px;color:var(--stone-400)}

/* PDP gallery */
.gallery-main{background:var(--cream);aspect-ratio:3/4;width:100%}
.gallery-thumbs{display:flex;flex-direction:column;gap:10px;width:80px}

/* Skeleton */
.skeleton{background:linear-gradient(90deg,var(--cream) 25%,var(--pearl) 50%,var(--cream) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Toast */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:var(--ink-900);color:var(--pearl);padding:14px 24px;border-radius:3px;font-size:13px;z-index:1100;box-shadow:var(--shadow-lg)}

/* WhatsApp fab（PC 静态 / 移动由 app.js 注入 .wa-fab--m；sticky-buy 页加 --lift 上移避让 CTA） */
.wa-fab{position:fixed;right:20px;bottom:20px;width:54px;height:54px;background:var(--wa-green);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--pearl);z-index:700;box-shadow:var(--shadow-md);transition:transform .2s var(--ease)}
.wa-fab:hover{transform:scale(1.06)}
.wa-fab--m{right:14px;bottom:calc(72px + env(safe-area-inset-bottom));width:50px;height:50px}
.wa-fab--lift{bottom:calc(132px + env(safe-area-inset-bottom))}

/* ============ MOBILE ONLY ============ */
.mobile-frame{max-width:430px;margin:0 auto;background:var(--paper);min-height:100vh;position:relative;box-shadow:0 0 40px rgba(0,0,0,.08)}
.m-header{position:sticky;top:0;z-index:100;background:rgba(250,247,242,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--mist-300);display:flex;align-items:center;justify-content:space-between;padding:14px 16px;height:56px}
.m-header .logo{font-size:20px}
.m-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--ink-900);border-radius:50%;transition:background .2s var(--ease),color .2s var(--ease)}
.m-icon:hover{background:var(--cream);color:var(--ink-900)}
.bottom-tab{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:rgba(253,252,250,.97);backdrop-filter:blur(10px);border-top:1px solid var(--mist-300);display:grid;grid-template-columns:repeat(4,1fr);z-index:200;padding-bottom:env(safe-area-inset-bottom)}
.tab-item{display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 0;font-size:10px;color:var(--stone-500);position:relative}
.tab-item.active{color:var(--ink-900)}
.tab-item.active::before{content:'';width:4px;height:4px;background:var(--gold-500);border-radius:50%;position:absolute;top:4px}
.tab-item{position:relative}
.tab-item svg{width:21px;height:21px;stroke-width:1.5;transition:color .2s,transform .2s}
.tab-item.active svg{color:var(--ink-900)}
.tab-item:active svg{transform:scale(.9)}
.tab-label{font-size:10px;letter-spacing:.02em}
.sticky-buy{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:var(--pearl);border-top:1px solid var(--mist-300);display:flex;gap:10px;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));z-index:850}
.sticky-buy .btn{flex:1;padding:14px 12px;font-size:12px}
.m-sticky-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:var(--pearl);border-top:1px solid var(--mist-300);display:flex;gap:10px;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));z-index:850}
.m-sticky-bar .btn{flex:1}
.m-content{padding-bottom:72px}
.m-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.m-section-title{font-family:var(--font-serif);font-size:22px;margin-bottom:14px;padding:0 16px}

/* Bottom sheet */
.sheet-overlay{position:fixed;inset:0;background:rgba(13,11,8,.4);z-index:899}
.sheet{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:var(--pearl);border-radius:16px 16px 0 0;z-index:900;max-height:85vh;overflow-y:auto;padding:20px 16px calc(20px + env(safe-area-inset-bottom))}

/* Responsive helper（双端为独立 HTML 页，hide-pc/hide-mobile 冗余已移除） */

/* Utility */
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.flex-1{flex:1}.flex-wrap{flex-wrap:wrap}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}
.grid{display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}
.text-center{text-align:center}.text-right{text-align:right}.text-sm{font-size:13px}.text-xs{font-size:11px}.uppercase{text-transform:uppercase}.tracking{letter-spacing:.12em}.font-medium{font-weight:500}.font-bold{font-weight:700}
.w-full{width:100%}.relative{position:relative}
.rounded{border-radius:3px}.rounded-lg{border-radius:8px}.pill{border-radius:999px}
.border{border:1px solid var(--mist-300)}.border-t{border-top:1px solid var(--mist-300)}.border-b{border-bottom:1px solid var(--mist-300)}
.overflow-hidden{overflow:hidden}.hidden{display:none}

/* ============ JS 交互态样式 ============ */
.product-fav.active{color:var(--bordeaux)}
.header.scrolled{box-shadow:var(--shadow-sm)}

/* 图标尺寸统一（emoji → 线性 SVG） */
.trust-icon svg{width:30px;height:30px;stroke-width:1.25}
.auth-step .ic{display:flex;justify-content:center}
.auth-step .ic svg{width:20px;height:20px}
.product-fav svg{width:18px;height:18px;transition:transform .2s var(--ease)}
.product-fav:active svg{transform:scale(.86)}
.m-drawer-nav a span{display:inline-flex;width:auto;justify-content:center}
.m-drawer-nav a span svg{width:20px;height:20px;color:var(--gold-500)}
.m-drawer-wa svg{width:20px;height:20px;flex-shrink:0}
/* 支付标识：静奢单色字标（替代彩色 logo，去 AI 味） */
.pay-icon{background:transparent;color:var(--pearl);border:1px solid var(--stone-600);font-size:10px;font-weight:700;letter-spacing:.14em;padding:5px 9px;border-radius:2px;transition:all .2s var(--ease)}
.pay-icon:hover{border-color:var(--pearl);color:var(--pearl)}

/* 语言/货币切换器（PC header 下拉 + 移动抽屉共享） */
.locale:hover{background:var(--cream);color:var(--ink-900)}
.locale-caret{font-size:9px;color:var(--stone-400);margin-left:1px;transition:transform .2s}
.locale[aria-expanded="true"] .locale-caret{transform:rotate(180deg)}
.locale-dd{position:absolute;top:calc(100% + 8px);right:0;background:var(--pearl);border:1px solid var(--mist-300);border-radius:4px;padding:14px;box-shadow:var(--shadow-md);z-index:200;min-width:228px;animation:ddIn .18s var(--ease)}
.locale-dd[hidden]{display:none}
@keyframes ddIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.sw-sec+.sw-sec{margin-top:12px;padding-top:12px;border-top:1px solid var(--mist-300)}
.sw-lbl{font-size:9px;letter-spacing:.14em;color:var(--stone-400);font-weight:700;margin-bottom:8px}
.sw-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.sw-opt{font-size:12px;padding:9px 4px;border:1px solid var(--mist-300);background:var(--paper);color:var(--stone-600);border-radius:3px;cursor:pointer;transition:all .2s var(--ease);text-align:center;font-weight:500;min-height:40px;display:flex;align-items:center;justify-content:center}
.sw-opt:hover{border-color:var(--ink-900);color:var(--ink-900)}
.sw-opt.active{background:var(--ink-900);color:var(--pearl);border-color:var(--ink-900)}

/* 移动抽屉（首页 Menu 打开：语言/货币 + 次要导航 + 客服） */
.m-drawer-overlay{position:fixed;inset:0;background:rgba(13,11,8,.5);z-index:950;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.m-drawer-overlay.open{opacity:1;visibility:visible}
.m-drawer{position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;background:var(--pearl);z-index:960;transform:translateX(-100%);transition:transform .35s var(--ease);display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.m-drawer.open{transform:translateX(0)}
.m-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 14px;border-bottom:1px solid var(--mist-300)}
.m-drawer-close{width:36px;height:36px;font-size:18px;color:var(--stone-500);display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s}
.m-drawer-close:hover{background:var(--cream);color:var(--ink-900)}
.m-drawer-switcher{padding:16px 18px;border-bottom:1px solid var(--mist-300)}
.m-drawer-nav{padding:8px 12px;overflow-y:auto;flex:1}
.m-drawer-nav a{display:flex;align-items:center;gap:14px;padding:14px 10px;font-size:15px;color:var(--ink-900);border-radius:4px;transition:background .2s}
.m-drawer-nav a span{width:22px;text-align:center;color:var(--gold-500);font-size:16px;flex-shrink:0}
.m-drawer-nav a:hover{background:var(--cream)}
.m-drawer-wa{margin:14px 18px calc(18px + env(safe-area-inset-bottom));padding:14px;background:var(--wa-green);color:var(--pearl);border-radius:6px;text-align:center;font-weight:600;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px}
.m-drawer-wa:hover{filter:brightness(1.06)}

/* 尊重「减少动态」偏好 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-carousel-track]{transition:none!important}
  .m-drawer{transition:none!important}
  .reveal{opacity:1;transform:none;transition:none}
}
/* 滚动揭示（克制动效） */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.revealed{opacity:1;transform:none}

/* 轮播 */
[data-carousel]{position:relative;overflow:hidden}
[data-carousel-track]{display:flex;transition:transform .6s cubic-bezier(.2,0,0,1);will-change:transform}
[data-carousel-track]>*{flex:0 0 100%}
[data-carousel-prev],[data-carousel-next]{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;background:rgba(253,252,250,.85);border:1px solid var(--mist-300);display:flex;align-items:center;justify-content:center;color:var(--ink-900);font-size:18px;backdrop-filter:blur(4px)}
[data-carousel-prev]{left:18px}[data-carousel-next]{right:18px}
[data-carousel-prev]:hover,[data-carousel-next]:hover{background:var(--ink-900);color:var(--pearl)}
[data-carousel-dots]{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
[data-carousel-dots] span{width:8px;height:8px;border-radius:50%;background:rgba(253,252,250,.5);cursor:pointer;transition:all .3s}
[data-carousel-dots] span.active{background:var(--pearl);width:24px;border-radius:4px}

/* 手风琴 */
.accordion-head,[data-accordion]{cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:14px 0;font-weight:500}
.accordion-head::after,[data-accordion]::after{content:'+';color:var(--stone-400);font-size:18px;transition:transform .2s}
.accordion-head.open::after,[data-accordion].open::after{content:'−'}
.accordion-body{padding-bottom:14px;color:var(--stone-600)}

/* 图廊缩略图 */
[data-gallery-thumb]{cursor:pointer;opacity:.6;border:2px solid transparent;transition:all .2s}
[data-gallery-thumb].active,[data-gallery-thumb]:hover{opacity:1;border-color:var(--gold-500)}

/* 数量步进 */
[data-qty-minus],[data-qty-plus]{width:32px;height:32px;border:1px solid var(--mist-300);background:var(--pearl);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;border-radius:2px}
[data-qty-minus]:hover,[data-qty-plus]:hover{border-color:var(--ink-900)}

/* Sheet 显隐 */
.sheet,.sheet-overlay{display:none}
.sheet.open,.sheet-overlay.open{display:block}

/* ============ 视觉增强 ============ */
/* 图片加载态（米色底，避免白闪）+ 淡入 */
img{transition:opacity .5s var(--ease)}
.product-img img,[data-carousel-track] img,.gallery-main img,.thumb img,.similar-card img,.flaw-item .pic img{background:linear-gradient(135deg,var(--cream),var(--paper))}
/* 商品卡更精致 */
.product-card{border-radius:2px;padding-bottom:4px}
.product-card:hover{box-shadow:var(--shadow-md)}
.product-card:hover .product-img{box-shadow:inset 0 0 0 1px var(--gold-500)}
/* 卡片通用悬浮 */
.trust-item{transition:background .3s}
.trust-item:hover{background:var(--cream)}
/* 区段进入动画 */
.section,.section-sm{scroll-margin-top:90px}
/* 优雅滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper)}
::-webkit-scrollbar-thumb{background:var(--stone-400);border-radius:5px;border:2px solid var(--paper)}
::-webkit-scrollbar-thumb:hover{background:var(--ink-900)}
/* 文字选中色 */
::selection{background:var(--ink-900);color:var(--pearl)}
/* 链接/按钮过渡 */
a,button,.btn,.chip,.nav-link,.tab,.icon-btn{transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),opacity .25s var(--ease)}
/* 输入聚焦更柔 */
.input:focus{box-shadow:0 0 0 3px rgba(155,126,75,.15)}
/* 移动端：图片角标与卡片圆角更精致 */
.mobile-frame .product-img{border-radius:3px}
/* 价格数字字间距 */
.num,.product-price,.price-lg{letter-spacing:.01em}
/* hero 文字阴影（提升叠图可读性） */
[data-carousel] h1,[data-carousel] h2,[data-carousel] .lead{text-shadow:0 2px 24px rgba(0,0,0,.35)}

/* ============ 无障碍 + 移动触控补强 ============ */
/* skip-link（WCAG：键盘焦点跳转主内容） */
.skip-link{position:fixed;top:-120px;left:16px;z-index:2000;background:var(--ink-900);color:var(--pearl);padding:12px 20px;border-radius:3px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;transition:top .2s var(--ease)}
.skip-link:focus{top:16px;outline:2px solid var(--gold-500);outline-offset:2px}
#main{scroll-margin-top:80px}
#main:focus{outline:none}
/* 信任四宫格：移动端首页 2×2 紧凑（PC 保持 4 列） */
.mobile-frame .trust-grid{grid-template-columns:repeat(2,1fr);border:1px solid var(--mist-300)}
.mobile-frame .trust-item{border:none;margin:-1px 0 0 -1px}
/* 移动数量步进触控 ≥44px（覆盖内联小尺寸） */
.mobile-frame [data-qty-minus],.mobile-frame [data-qty-plus]{width:44px;height:44px}
/* 移动页面标题（替代误用 .logo 承载标题，字号统一） */
.m-page-title{font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:.04em;color:var(--ink-900)}

/* ============================================================
   响应式现代化增强（2026 最佳实践）—— 补齐自适应短板，生产(Nuxt)可直接复用
   流体 clamp() + auto-fill 网格 + container query 就绪 + 级联层 @layer + 媒体查询降级
   依据：UXPin/WebCraftDev 2026 响应式指南 + Modern CSS Toolkit 2026
   ============================================================ */

/* 流体排版：固定 px → clamp() 平滑缩放（视口自适应，告别断点跳变）*/
h1,.h1{font-size:clamp(34px,4.6vw,56px)}
h2,.h2{font-size:clamp(26px,3.3vw,40px)}
h3,.h3{font-size:clamp(21px,2.2vw,28px)}
h4,.h4{font-size:clamp(19px,1.6vw,22px)}
.lead{font-size:clamp(15px,1.3vw,18px)}
.section{padding:clamp(56px,8vw,96px) 0}
.section-sm{padding:clamp(32px,4vw,48px) 0}
.container,.container-wide{padding:0 clamp(16px,2.5vw,32px)}

/* 商品网格 auto-fill：容器宽度决定列数（响应式核心，无需 media query）*/
.product-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:clamp(16px,2vw,32px)}
.product-grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
/* 容器查询就绪（container queries）：组件级自适应，供未来卡片在窄容器变体 */
.product-grid{container-type:inline-size}

/* PC 桌面内自适应降级（1024-1280 小桌面/横屏平板；<1024 由移动端独立页服务）*/
@media (max-width:1280px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:1024px){
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}

/* 级联层声明（@layer 2026）：组织级联顺序，供后续 CSS 规范化维护 */
/* ============ PC 账户中心共享组件（acc-layout/acc-nav，抽自 12 个账户子页内联）============ */
.acc-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;max-width:1280px;margin:0 auto;padding:40px 32px}
.acc-side{position:sticky;top:120px;align-self:start}
.acc-greet{display:flex;align-items:center;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--mist-300);margin-bottom:6px}
.acc-avatar{width:48px;height:48px;border-radius:50%;background:var(--ink-900);color:var(--pearl);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:20px;font-weight:600}
.acc-name{font-family:var(--font-serif);font-size:20px;font-weight:600}
.acc-email{font-size:12px;color:var(--stone-500)}
.acc-nav{list-style:none;margin-top:16px}
.acc-nav li{margin:2px 0}
.acc-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;font-size:13px;color:var(--stone-600);border-radius:2px;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);border-left:2px solid transparent}
.acc-nav a:hover{background:var(--cream);color:var(--ink-900)}
.acc-nav a.active{background:var(--cream);color:var(--ink-900);border-left-color:var(--gold-500);font-weight:500}
.acc-nav .badge-ct{background:var(--bordeaux);color:var(--pearl);font-size:10px;font-weight:700;padding:2px 7px;border-radius:999px;min-width:18px;text-align:center}
/* 空态（empty-state，抽自 sacola/cupons/notificacoes/favoritos/pedidos 内联）*/
.empty-state[hidden]{display:none}
.empty-state{text-align:center;padding:80px 24px}
.empty-state h3{font-family:var(--font-serif);font-size:24px;margin-bottom:8px;color:var(--ink-900)}
.empty-state p{font-size:13px;color:var(--stone-500);margin-bottom:20px}
.empty-state .btn{padding:14px 28px}
/* 账户侧栏 PC 内响应式降级（1024-1100 小桌面）—— 统一断点体系：1024 双端切换 / 1100 PC 内降级 / 1280 宽屏调整 */
@media (max-width:1100px){
  .acc-layout{grid-template-columns:1fr;gap:24px}
  .acc-side{position:static;top:auto;margin-bottom:24px}
  .acc-nav{display:flex;flex-wrap:wrap;gap:8px}
  .acc-nav li{margin:0}
  .acc-nav a{padding:8px 12px;border-left:none;border-bottom:2px solid transparent}
  .acc-nav a.active{border-left:none;border-bottom-color:var(--gold-500)}
}

/* @layer 级联层声明：为生产(Nuxt)分层预留（reset/base/components/utilities）；当前原型规则未入层，生产工程化时按层组织 CSS */
@layer reset, base, components, utilities;