:root{
    --paper:#FFFFFF;--cream:#FAFAFA;--ink:#1A1A1A;--ink-soft:#666666;
    --charcoal:#333333;--red:#D72638;--red-deep:#A81D2B;--burgundy:#7A1621;
    --thread:#D72638;--line:rgba(26,26,26,.12);--maxw:1320px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{font-family:'Outfit','Noto Sans SC',sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
  body::before{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56' viewBox='0 0 56 56'%3E%3Cg fill='none' stroke='%231A1A1A' stroke-width='1' opacity='0.04'%3E%3Cpath d='M0 14 Q14 0 28 14 Q42 28 56 14'/%3E%3Cpath d='M0 42 Q14 28 28 42 Q42 56 56 42'/%3E%3Cpath d='M0 28 Q14 14 28 28 Q42 42 56 28'/%3E%3C/g%3E%3C/svg%3E");pointer-events:none;z-index:1}
  .serif{font-family:'Fraunces','Noto Sans SC',serif;font-optical-sizing:auto}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px;position:relative;z-index:2}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%;height:auto}

  /* 顶部公告条 */
  .topbar{background:var(--ink);color:var(--paper);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;padding:9px 0;text-align:center;position:relative;z-index:50}
  .topbar span{color:var(--thread)}

  /* 导航 */
  nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 40px;max-width:var(--maxw);margin:0 auto;gap:20px}
  .logo{font-family:'Fraunces',serif;font-weight:600;font-size:25px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{width:auto;height:30px;flex:none;object-fit:contain;border-radius:4px}
  .nav-center{display:flex;align-items:center;gap:32px}
  .nav-links{display:flex;gap:32px;list-style:none;font-size:14px;letter-spacing:.03em}
  .nav-links a{position:relative;padding:6px 0;transition:color .3s;white-space:nowrap}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--red);transition:width .35s ease}
  .nav-links a:hover{color:var(--red-deep)}
  .nav-links a:hover::after{width:100%}
  .nav-links a.active{color:var(--red-deep)}
  .nav-links a.active::after{width:100%}
  .nav-links li.has-dropdown{position:relative}
  .nav-links .dd-arrow{display:inline-block;width:9px;height:9px;margin-left:5px;transition:transform .3s;vertical-align:middle}
  .nav-links li.has-dropdown:hover .dd-arrow{transform:rotate(180deg)}
  .nav-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-8px);background:var(--paper);border:1px solid var(--line);border-radius:4px;box-shadow:0 20px 50px -15px rgba(26,26,26,.22);min-width:210px;padding:8px;opacity:0;visibility:hidden;transition:all .3s;z-index:50}
  .nav-links li.has-dropdown:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
  .nav-dropdown a{display:flex;align-items:center;gap:12px;padding:12px 16px;font-size:14px;white-space:nowrap;border-radius:2px;transition:all .2s}
  .nav-dropdown a::after{display:none}
  .nav-dropdown a:hover{background:var(--cream);color:var(--red-deep)}
  .nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0}
  .nav-cta{background:var(--ink);color:var(--paper);padding:11px 24px;border-radius:2px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;transition:background .3s,transform .3s;white-space:nowrap}
  .nav-cta:hover{background:var(--red-deep);transform:translateY(-1px)}
  .lang-switch{position:relative;display:flex;align-items:center;gap:6px;cursor:pointer;padding:8px 10px;border-radius:2px;transition:background .3s}
  .lang-switch:hover{background:var(--cream)}
  .lang-icon{width:18px;height:18px;color:var(--ink-soft)}
  .lang-current{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink)}
  .lang-arrow{width:10px;height:10px;color:var(--ink-soft);transition:transform .3s}
  .lang-switch.open .lang-arrow{transform:rotate(180deg)}
  .lang-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--paper);border:1px solid var(--line);border-radius:4px;box-shadow:0 20px 50px -15px rgba(26,26,26,.25);min-width:140px;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .3s;z-index:50}
  .lang-switch.open .lang-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
  .lang-option{display:flex;align-items:center;gap:10px;padding:11px 16px;font-size:14px;color:var(--ink-soft);cursor:pointer;transition:all .2s;border-bottom:1px solid var(--line)}
  .lang-option:last-child{border-bottom:none}
  .lang-option:hover{background:var(--cream);color:var(--ink)}
  .lang-option.active{color:var(--red-deep);font-weight:600}
  .lang-flag{font-size:11px;line-height:1;font-weight:600;letter-spacing:.02em;border:1px solid currentColor;border-radius:4px;padding:2px 5px;opacity:.85}
  .hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:transparent;border:none;cursor:pointer;padding:10px 8px;border-radius:4px;transition:background .3s}
  .hamburger:hover{background:var(--cream)}
  .hamburger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:all .35s}
  .hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-menu{position:fixed;top:0;right:-100%;width:80%;max-width:340px;height:100vh;background:var(--paper);z-index:100;box-shadow:-10px 0 40px -10px rgba(26,26,26,.2);transition:right .4s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;padding:70px 28px 30px;overflow-y:auto}
  .mobile-menu.open{right:0}
  .mobile-menu-close{position:absolute;top:20px;right:20px;width:42px;height:42px;border:none;background:transparent;font-size:24px;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px}
  .mobile-menu-close:hover{background:var(--cream)}
  .mobile-nav-links{list-style:none;display:flex;flex-direction:column;gap:0}
  .mobile-nav-links li{border-bottom:1px solid var(--line)}
  .mobile-nav-links a{display:block;padding:16px 4px;font-size:18px;font-weight:500;transition:color .3s,padding-left .3s}
  .mobile-nav-links a:hover{color:var(--red-deep);padding-left:12px}
  .mobile-nav-links li.has-sub{border-bottom:none}
  .mobile-nav-links .sub-toggle{display:flex;justify-content:space-between;align-items:center;padding:16px 4px;font-size:18px;font-weight:500;cursor:pointer;transition:color .3s;background:transparent;border:none;width:100%;font-family:inherit;text-align:left;color:var(--ink)}
  .mobile-nav-links .sub-toggle .chev{transition:transform .35s;flex:none}
  .mobile-nav-links .sub-toggle.open .chev{transform:rotate(180deg)}
  .mobile-sub{max-height:0;overflow:hidden;transition:max-height .4s ease;border-bottom:1px solid var(--line)}
  .mobile-sub.open{max-height:300px}
  .mobile-sub a{padding:13px 20px;font-size:15px;font-weight:400;color:var(--ink-soft)}
  .mobile-menu .nav-cta{margin-top:24px;text-align:center;padding:16px;font-size:15px}
  .mobile-langs{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}
  .mobile-langs button{padding:8px 16px;border:1px solid var(--line);border-radius:100px;background:transparent;font-size:13px;color:var(--ink-soft);cursor:pointer;font-family:inherit;transition:all .3s}
  .mobile-langs button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99;opacity:0;visibility:hidden;transition:all .4s}
  .menu-overlay.open{opacity:1;visibility:visible}

  /* 面包屑 */
  .breadcrumb{padding:24px 0 0}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
  .crumbs a{transition:color .3s}
  .crumbs a:hover{color:var(--red-deep)}
  .crumbs .sep{color:var(--line);font-size:16px}
  .crumbs .current{color:var(--ink);font-weight:500}

  /* ===== 产品主区 ===== */
  .product-hero{padding:30px 0 60px}
  .product-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:start}

  /* 图廊 */
  .gallery{position:relative}
  .gallery-main{aspect-ratio:4/5;overflow:hidden;border-radius:3px;background:var(--cream);position:relative;box-shadow:0 30px 80px -30px rgba(26,26,26,.3)}
  .gallery-main img{width:100%;height:100%;object-fit:cover;transition:opacity .4s}
  .gallery-main .gm-badge{position:absolute;top:18px;left:18px;background:var(--burgundy);color:var(--cream);padding:7px 14px;border-radius:100px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;z-index:5}
  .gallery-main .gm-zoom{position:absolute;bottom:18px;right:18px;width:44px;height:44px;background:rgba(255,255,255,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;backdrop-filter:blur(8px)}
  .gallery-main .gm-zoom:hover{background:var(--paper);transform:scale(1.08)}
  .gallery-main .gm-zoom svg{width:20px;height:20px;color:var(--ink)}
  .gallery-thumbs{display:flex;gap:12px;margin-top:14px}
  .gallery-thumb{flex:1;aspect-ratio:1/1;overflow:hidden;border-radius:3px;cursor:pointer;position:relative;opacity:.55;transition:all .35s;border:2px solid transparent}
  .gallery-thumb.active{opacity:1;border-color:var(--red)}
  .gallery-thumb:hover{opacity:.85}
  .gallery-thumb img{width:100%;height:100%;object-fit:cover}
  .gallery-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;background:rgba(255,255,255,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;backdrop-filter:blur(8px);border:none;z-index:5}
  .gallery-nav:hover{background:var(--paper);box-shadow:0 8px 30px -8px rgba(26,26,26,.25)}
  .gallery-nav svg{width:20px;height:20px;color:var(--ink)}
  .gallery-prev{left:18px}
  .gallery-next{right:18px}

  /* 产品信息 */
  .p-info{padding:8px 0}
  .p-cat{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--red-deep);margin-bottom:14px;display:flex;align-items:center;gap:10px}
  .p-cat::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);flex:none}
  .p-info h1{font-family:'Fraunces',serif;font-weight:340;font-size:clamp(36px,5vw,64px);line-height:.98;letter-spacing:-.025em;margin-bottom:16px}
  .p-info h1 em{font-style:italic;color:var(--red-deep)}
  .p-desc{font-size:16px;color:var(--ink-soft);line-height:1.65;margin-bottom:32px;max-width:95%}

  /* 规格快览 */
  .p-quick-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:36px;border:1px solid var(--line);border-radius:3px;overflow:hidden}
  .p-qs-item{padding:18px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .p-qs-item:nth-child(3n){border-right:none}
  .p-qs-item:nth-last-child(-n+3){border-bottom:none}
  .p-qs-item .label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
  .p-qs-item .val{font-family:'Fraunces',serif;font-size:20px;font-weight:420;color:var(--ink)}
  .p-qs-item .val em{font-style:italic;color:var(--red-deep)}

  /* 颜色选择 */
  .p-section{margin-bottom:32px}
  .p-section .ps-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:14px;font-weight:600;display:flex;align-items:center;gap:10px}
  .p-section .ps-label .ps-hint{font-size:13px;text-transform:none;letter:0;font-weight:400;color:var(--ink)}
  .color-swatches{display:flex;gap:14px;flex-wrap:wrap}
  .color-swatch{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;transition:all .3s}
  .color-swatch .sw-dot{width:42px;height:42px;border-radius:50%;border:2px solid var(--paper);box-shadow:0 0 0 1px var(--line);transition:box-shadow .3s}
  .color-swatch:hover .sw-dot{box-shadow:0 0 0 2px var(--red)}
  .color-swatch.selected .sw-dot{box-shadow:0 0 0 2px var(--red)}
  .color-swatch .sw-name{font-size:11px;color:var(--ink-soft);letter-spacing:.03em}

  /* 尺码选择 */
  .size-options{display:flex;gap:10px;flex-wrap:wrap}
  .size-opt{padding:10px 18px;border:1px solid var(--line);border-radius:2px;font-size:14px;cursor:pointer;transition:all .3s;background:var(--paper);font-family:inherit}
  .size-opt:hover{border-color:var(--ink)}
  .size-opt.selected{background:var(--ink);color:var(--paper);border-color:var(--ink)}

  /* MOQ & 交期 */
  .p-moq-box{background:var(--cream);border-radius:3px;padding:24px 26px;margin-bottom:32px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .p-moq-item .label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px}
  .p-moq-item .val{font-family:'Fraunces',serif;font-size:24px;font-weight:420;color:var(--ink)}
  .p-moq-item .val em{font-style:italic;color:var(--red-deep)}
  .p-moq-item .sub{font-size:12px;color:var(--ink-soft);margin-top:4px}

  /* CTA 按钮 */
  .p-actions{display:flex;gap:14px;margin-bottom:28px}
  .p-btn-primary{flex:1;background:var(--ink);color:var(--paper);padding:17px 28px;border-radius:2px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;gap:12px;transition:all .35s cubic-bezier(.2,.8,.2,1);border:none;cursor:pointer;font-family:inherit}
  .p-btn-primary:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(168,29,43,.6)}
  .p-btn-primary svg{transition:transform .35s}
  .p-btn-primary:hover svg{transform:translateX(6px)}
  .p-btn-secondary{padding:17px 28px;border:1.5px solid var(--ink);border-radius:2px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;transition:all .3s;cursor:pointer;background:transparent;font-family:inherit;color:var(--ink)}
  .p-btn-secondary:hover{background:var(--ink);color:var(--paper)}
  .p-actions-secondary{display:flex;gap:20px;font-size:13px;color:var(--ink-soft)}
  .p-actions-secondary a{display:inline-flex;align-items:center;gap:6px;transition:color .3s;border-bottom:1px solid transparent;padding-bottom:2px}
  .p-actions-secondary a:hover{color:var(--red-deep);border-color:var(--red-deep)}

  /* ===== Tab 区 ===== */
  .detail-tabs{padding:0 0 80px}
  .tabs-nav{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:40px}
  .tab-btn{padding:16px 28px;font-size:14px;font-weight:500;letter-spacing:.03em;cursor:pointer;background:transparent;border:none;border-bottom:2px solid transparent;transition:all .3s;font-family:inherit;color:var(--ink-soft);position:relative}
  .tab-btn:hover{color:var(--ink)}
  .tab-btn.active{color:var(--red-deep);border-color:var(--red)}
  .tab-panel{display:none}
  .tab-panel.active{display:block;animation:fadeIn .5s ease}
  @keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

  /* 规格表 */
  .spec-table{width:100%;border-collapse:collapse}
  .spec-table tr{border-bottom:1px solid var(--line)}
  .spec-table tr:last-child{border-bottom:none}
  .spec-table td{padding:16px 20px;font-size:14px}
  .spec-table td:first-child{width:32%;font-weight:600;color:var(--ink-soft);text-transform:uppercase;font-size:12px;letter-spacing:.08em}
  .spec-table td:last-child{color:var(--ink);font-family:'Fraunces',serif;font-size:16px;font-weight:420}
  .spec-table td:last-child em{font-style:italic;color:var(--red-deep)}

  /* 定制选项网格 */
  .custom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .custom-card{border:1px solid var(--line);border-radius:3px;padding:28px 26px;transition:all .35s}
  .custom-card:hover{border-color:var(--red);box-shadow:0 20px 50px -25px rgba(26,26,26,.2)}
  .custom-card .cc-icon{width:40px;height:40px;background:var(--cream);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
  .custom-card .cc-icon svg{width:22px;height:22px;color:var(--red-deep)}
  .custom-card h4{font-family:'Fraunces',serif;font-weight:420;font-size:20px;margin-bottom:8px}
  .custom-card p{font-size:14px;color:var(--ink-soft);line-height:1.55;margin-bottom:12px}
  .custom-card .cc-tags{display:flex;gap:8px;flex-wrap:wrap}
  .custom-card .cc-tag{padding:4px 10px;background:var(--cream);border-radius:100px;font-size:11px;letter-spacing:.04em;color:var(--ink-soft)}

  /* 生产流程时间线 */
  .process-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
  .process-timeline::before{content:"";position:absolute;top:24px;left:5%;right:5%;height:1.5px;background:var(--line);z-index:0}
  .process-step{text-align:center;position:relative;z-index:1}
  .process-step .ps-circle{width:48px;height:48px;background:var(--paper);border:2px solid var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-family:'Fraunces',serif;font-size:18px;font-weight:500;color:var(--red-deep);position:relative;z-index:2}
  .process-step .ps-circle::before{content:"";position:absolute;inset:-4px;border:1px solid var(--line);border-radius:50%;z-index:-1}
  .process-step h5{font-family:'Fraunces',serif;font-size:16px;font-weight:420;margin-bottom:6px}
  .process-step p{font-size:13px;color:var(--ink-soft);line-height:1.5}
  .process-step .ps-days{font-size:12px;color:var(--red-deep);font-weight:600;letter-spacing:.05em;margin-top:8px;display:block}

  /* ===== MOQ 价格阶梯 ===== */
  .tier-section{padding:80px 0;background:var(--cream);position:relative;z-index:3}
  .tier-head{text-align:center;margin-bottom:50px}
  .tier-head .th-eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--red-deep);margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:14px}
  .tier-head .th-eyebrow::before,.tier-head .th-eyebrow::after{content:"";width:34px;height:1.5px;background:var(--red)}
  .tier-head h2{font-family:'Fraunces',serif;font-weight:340;font-size:clamp(32px,5vw,56px);line-height:1;letter-spacing:-.02em;margin-bottom:14px}
  .tier-head p{font-size:16px;color:var(--ink-soft);max-width:520px;margin:0 auto}
  .tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .tier-card{background:var(--paper);border-radius:3px;padding:34px 28px;text-align:center;border:1px solid var(--line);transition:all .35s;position:relative}
  .tier-card:hover{border-color:var(--red);transform:translateY(-4px);box-shadow:0 30px 60px -25px rgba(26,26,26,.18)}
  .tier-card.featured{border-color:var(--red);border-width:2px}
  .tier-card.featured::before{content:"Best Value";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--red);color:var(--paper);padding:5px 16px;border-radius:100px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
  .tier-card .tc-qty{font-family:'Fraunces',serif;font-size:36px;font-weight:340;color:var(--ink);margin-bottom:4px;line-height:1}
  .tier-card .tc-unit{font-size:13px;color:var(--ink-soft);margin-bottom:18px}
  .tier-card .tc-price{font-family:'Fraunces',serif;font-size:24px;font-weight:420;color:var(--red-deep);margin-bottom:4px}
  .tier-card .tc-price em{font-style:italic}
  .tier-card .tc-unit-price{font-size:12px;color:var(--ink-soft);margin-bottom:18px}
  .tier-card .tc-features{list-style:none;text-align:left;font-size:13px;color:var(--ink-soft);display:flex;flex-direction:column;gap:8px}
  .tier-card .tc-features li{display:flex;align-items:flex-start;gap:8px}
  .tier-card .tc-features li::before{content:"✓";color:var(--red-deep);font-weight:700;flex:none;margin-top:1px}

  /* ===== 相关产品 ===== */
  .related{padding:90px 0 100px}
  .related-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}
  .related-head h2{font-family:'Fraunces',serif;font-weight:340;font-size:clamp(28px,4vw,48px);line-height:1;letter-spacing:-.02em}
  .related-head h2 em{font-style:italic;color:var(--red-deep)}
  .related-head a{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--red-deep);border-bottom:1px solid var(--red-deep);padding-bottom:2px;transition:gap .3s;display:inline-flex;gap:8px;align-items:center}
  .related-head a svg{transition:transform .3s}
  .related-head a:hover svg{transform:translateX(5px)}
  .related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .rel-card{border-radius:3px;overflow:hidden;background:var(--paper);transition:transform .4s,box-shadow .4s;border:1px solid var(--line)}
  .rel-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -20px rgba(26,26,26,.2);border-color:transparent}
  .rel-card .rc-img{aspect-ratio:4/5;overflow:hidden;position:relative;background:var(--cream)}
  .rel-card .rc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
  .rel-card:hover .rc-img img{transform:scale(1.06)}
  .rel-card .rc-body{padding:18px 20px 20px}
  .rel-card .rc-cat{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--red-deep);margin-bottom:6px}
  .rel-card h3{font-family:'Fraunces',serif;font-weight:420;font-size:19px;line-height:1.2;margin-bottom:6px}
  .rel-card .rc-spec{font-size:12px;color:var(--ink-soft)}

  /* CTA */
  .cta-band{padding:100px 0;position:relative;overflow:hidden;background:var(--paper)}
  .cta-band::before{content:"";position:absolute;top:0;right:0;width:45%;height:100%;background:url("https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=Artistic%20close%20up%20of%20colorful%20knit%20sweater%20fabric%20textures%2C%20folded%20knitwear%20panels%2C%20soft%20studio%20lighting%2C%20premium%20textile%20photography%2C%20minimal&image_size=landscape_4_3") center/cover;opacity:.08;pointer-events:none}
  .cta-inner{text-align:center;position:relative;z-index:2}
  .cta-inner h2{font-family:'Fraunces',serif;font-weight:340;font-size:clamp(32px,5.5vw,72px);line-height:.98;letter-spacing:-.025em;margin-bottom:18px}
  .cta-inner h2 em{font-style:italic;color:var(--red-deep)}
  .cta-inner p{font-size:clamp(15px,2vw,17px);color:var(--ink-soft);max-width:540px;margin:0 auto 34px;line-height:1.6}
  .cta-inner .btn-primary{background:var(--ink);color:var(--paper);padding:17px 36px;border-radius:2px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;transition:all .35s cubic-bezier(.2,.8,.2,1)}
  .cta-inner .btn-primary:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(168,29,43,.7)}
  .cta-inner .btn-primary svg{transition:transform .35s}
  .cta-inner .btn-primary:hover svg{transform:translateX(6px)}

  /* 页脚 */
  footer{background:var(--ink);color:var(--paper);padding:80px 0 36px;position:relative;z-index:3}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:50px;margin-bottom:60px}
  .foot-brand .logo{color:var(--paper);margin-bottom:20px}
  .foot-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:300px;line-height:1.6}
  .foot-col h4{font-family:'Fraunces',serif;font-size:16px;font-weight:500;margin-bottom:20px;color:var(--thread)}
  .foot-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
  .foot-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .3s}
  .foot-col a:hover{color:var(--thread)}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:30px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.5)}

  .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

  /* 响应式 */
  @media(max-width:1024px){
    .nav-links{display:none}.lang-switch.desktop-only{display:none}.hamburger{display:flex}.nav-cta{display:none}
    .product-layout{grid-template-columns:1fr;gap:40px}
    .p-quick-specs{grid-template-columns:repeat(2,1fr)}
    .p-qs-item:nth-child(3n){border-right:1px solid var(--line)}
    .p-qs-item:nth-child(2n){border-right:none}
    .custom-grid{grid-template-columns:1fr}
    .process-timeline{grid-template-columns:repeat(2,1fr);gap:30px}
    .process-timeline::before{display:none}
    .tier-grid{grid-template-columns:repeat(2,1fr)}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:640px){
    .wrap,.nav-inner{padding:0 20px}.nav-inner{padding:16px 20px}
    .logo{font-size:21px}.logo-mark{width:auto;height:26px}
    .topbar{font-size:10.5px;padding:8px 12px;letter-spacing:.1em}
    .product-hero{padding:20px 0 40px}
    .p-quick-specs{grid-template-columns:1fr}
    .p-qs-item{border-right:none!important;border-bottom:1px solid var(--line)}
    .p-qs-item:last-child{border-bottom:none}
    .p-moq-box{grid-template-columns:1fr;gap:16px}
    .p-actions{flex-direction:column}
    .p-btn-secondary{text-align:center;justify-content:center}
    .tabs-nav{overflow-x:auto;-webkit-overflow-scrolling:touch}
    .tab-btn{white-space:nowrap;padding:14px 18px}
    .tier-grid{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .process-timeline{grid-template-columns:1fr}
    .cta-band{padding:70px 0}
    .foot-grid{grid-template-columns:1fr;gap:36px}
    .foot-bottom{flex-direction:column;gap:14px;text-align:center}
    .related-head{flex-direction:column;align-items:flex-start;gap:16px}
  }
  @media(hover:none) and (pointer:coarse){
    .rel-card:hover{transform:none;box-shadow:none}
    .rel-card:hover .rc-img img{transform:none}
  }

/* ---- lightbox (click to zoom) ---- */
.gallery-main{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;background:rgba(20,16,14,.94)}
.lightbox.open{display:flex}
.lightbox img{max-width:88vw;max-height:88vh;object-fit:contain;box-shadow:0 24px 80px rgba(0,0,0,.5);animation:lbIn .25s ease}
.lightbox img.zoomed{transform:scale(2.5);cursor:zoom-out;animation:none;transition:transform .25s ease}
@keyframes lbIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.lightbox .lb-close{position:absolute;top:18px;right:22px;width:44px;height:44px;border:none;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:18px;cursor:pointer;transition:background .2s}
.lightbox .lb-close:hover{background:rgba(255,255,255,.28)}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border:none;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox .lb-nav:hover{background:rgba(255,255,255,.28)}
.lightbox .lb-nav svg{width:24px;height:24px}
.lightbox .lb-prev{left:22px}
.lightbox .lb-next{right:22px}
@media (max-width:760px){.lightbox .lb-nav{width:42px;height:42px}.lightbox .lb-prev{left:8px}.lightbox .lb-next{right:8px}}

/* ---- quick spec size chips ---- */
.qs-sizes{display:flex;flex-wrap:wrap;gap:6px}
.qs-size{display:inline-block;padding:3px 10px;border:1px solid var(--line);border-radius:4px;font-size:13px;font-style:normal;background:var(--cream)}