@font-face{
    font-family:"Fraunces";font-style:normal;font-weight:500 700;font-display:swap;
    src:url("https://cdn.shopify.com/s/files/1/0827/5450/2895/files/rk-font-fraunces-latin.woff2?v=1785051487") format("woff2");
  }
  @font-face{
    font-family:"Fraunces";font-style:italic;font-weight:500;font-display:swap;
    src:url("https://cdn.shopify.com/s/files/1/0827/5450/2895/files/rk-font-fraunces-italic-latin.woff2?v=1785051486") format("woff2");
  }
  @font-face{
    font-family:"Instrument Sans";font-style:normal;font-weight:400 700;font-display:swap;
    src:url("https://cdn.shopify.com/s/files/1/0827/5450/2895/files/rk-font-instrument-sans-latin.woff2?v=1785050497") format("woff2");
  }
  @font-face{
    font-family:"Caveat";font-style:normal;font-weight:600;font-display:swap;
    src:url("https://cdn.shopify.com/s/files/1/0827/5450/2895/files/rk-font-caveat-latin.woff2?v=1785051487") format("woff2");
  }
  :root{
    color-scheme:light;
    /* 共享契约层：与 theme/assets/rk-landing.css 的 :root 同名同值。
       scripts/sync-customizer.mjs 会校验这几个值，不一致直接抛错。
       radius/gap 刻意取固定值而非 clamp——定制器跑在全高 iframe 内，
       vw 以 iframe 宽度为基准，流体值会与商品页对不上。校验会跳过这两项。 */
    --rkb-bg:#f5f5f7;
    --rkb-card:#ffffff;
    --rkb-ink:#1a1a1a;
    --rkb-muted:#7e7e88;
    --rkb-accent:#ea5212;
    --rkb-line:rgba(0,0,0,.08);
    --rkb-radius:12px;
    --rkb-gap:24px;
    /* 语义层：--accent 是近黑（选中态/边框/次按钮），--state 是橙（主 CTA/tab
       激活/焦点环）。橙刻意不接管 --accent——否则主按钮加全部 checked 边框都
       变橙，会比 busy.app 本身橙得多。 */
    --paper:var(--rkb-bg);
    --card:var(--rkb-card);
    --ink:var(--rkb-ink);
    --muted:var(--rkb-muted);
    --line:var(--rkb-line);
    --line-strong:rgba(0,0,0,.16);
    --accent:var(--rkb-ink);
    --accent-soft:var(--rkb-bg);
    --accent-hover:#000000;
    --state:var(--rkb-accent);
    --state-soft:#fdeee7;
    --danger:#d9364f;
    --radius:var(--rkb-radius);
    --font-display:"Helvetica Neue",Helvetica,Arial,sans-serif;
    --font-body:"Helvetica Neue",Helvetica,Arial,sans-serif;
    --shadow-card:0 0 0 1px rgba(0,0,0,.08);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html,body{max-width:100%;overflow-x:clip}
  ::selection{background:var(--accent);color:#fff}
  body{
    margin:0;color:var(--ink);
    font:14px/1.5 var(--font-body);letter-spacing:0;
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  .site-header{
    position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line);
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:0 1px 8px rgba(28,30,33,.04);
  }
  .site-header-inner{
    display:grid;grid-template-columns:minmax(44px,1fr) auto minmax(44px,1fr);align-items:center;gap:12px;
    max-width:1400px;min-height:68px;margin:0 auto;padding:10px clamp(16px,2.5vw,30px);
  }
  .site-nav-link{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;width:max-content;min-width:44px;min-height:44px;padding:0 12px;
    border:1px solid transparent;border-radius:10px;color:var(--ink);font-size:13px;font-weight:700;text-decoration:none;
    transition:background-color .16s ease,border-color .16s ease,transform .16s ease;
  }
  .site-nav-link:hover{border-color:var(--line);background:var(--accent-soft)}
  .site-nav-link:active{transform:translateY(1px)}
  .site-nav-link:focus-visible{outline:2px solid var(--state);outline-offset:2px}
  .site-nav-link svg{width:19px;height:19px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .site-brand{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:6px 10px;text-decoration:none}
  .site-brand:focus-visible{border-radius:10px;outline:2px solid var(--state);outline-offset:2px}
  .brand-wordmark{
    color:var(--ink);font-family:var(--font-body);font-size:19px;font-weight:700;
    line-height:1;letter-spacing:-.045em;white-space:nowrap;
  }
  .brand-wordmark-accent{color:var(--state)}
  .shell{position:relative;z-index:1;max-width:860px;margin:0 auto;padding:20px clamp(16px,2.5vw,30px) 32px}

  /* ============ 页头 ============ */
  .hero{
    display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"title" "copy" "steps";
    gap:4px;margin-bottom:16px;padding:24px 28px 0;text-align:left;
    border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-card);
  }
  .hero h1{
    grid-area:title;max-width:none;margin:0;font-family:var(--font-display);font-weight:750;
    font-size:clamp(28px,3vw,36px);line-height:1.12;letter-spacing:-.025em;
  }
  .hero h1 em{
    font-style:normal;color:inherit;text-decoration:none;
  }
  .hero p{grid-area:copy;max-width:620px;margin:0;color:var(--muted);font-size:14px}
  .steps-strip{
    grid-area:steps;display:flex;flex-wrap:nowrap;justify-content:flex-start;gap:4px;
    margin-top:20px;border-top:1px solid var(--line);
  }
  .steps-strip button{
    position:relative;min-width:110px;min-height:48px;padding:0 16px;border:0;border-radius:0;
    background:transparent;color:var(--muted);font-size:14px;font-weight:650;
    display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;
  }
  .steps-strip button::after{content:"";position:absolute;right:10px;bottom:0;left:10px;height:3px;background:transparent}
  .steps-strip button:hover{background:var(--accent-soft);color:var(--ink)}
  .steps-strip button:focus-visible{outline:2px solid var(--state);outline-offset:-4px}
  .steps-strip b{font-family:var(--font-body);font-weight:700;color:inherit}
  .steps-strip button.active{color:var(--state)}
  .steps-strip button.active::after{background:var(--state)}
  /* 每步的阻塞项数：未完成显示数字，完成显示对勾。让步进条能回答「还差什么才能下单」 */
  .step-flag{
    display:none;min-width:18px;height:18px;padding:0 5px;border-radius:9px;
    font-family:var(--font-body);font-size:11px;font-weight:700;line-height:18px;text-align:center;
  }
  .step-flag--todo{display:inline-block;background:var(--danger);color:#fff}
  .step-flag--done{display:inline-block;background:var(--state);color:#fff}

  /* ============ 布局：单栏，预览内嵌在步骤流程中 ============ */
  .layout{display:grid;grid-template-columns:1fr;gap:16px;align-items:start}
  .layout>*{min-width:0}
  .aside{display:grid;gap:12px}

  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-card);padding:20px;
  }
  main.card{padding:24px 28px}

  .rise{opacity:1;transform:none;animation:none}

  /* ============ 定制流程 ============ */
  .flow-group{padding:30px 0;border-top:1px solid var(--line)}
  .flow-group:first-child{padding-top:0;border-top:0}
  .flow-head{display:flex;align-items:center;gap:12px;margin-bottom:4px}
  .flow-no{
    flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
    background:var(--state);font:700 13px/1 var(--font-body);color:#fff;
  }
  .flow-title{margin:0;font-family:var(--font-display);font-weight:700;font-size:22px;line-height:1.2;letter-spacing:-.015em}
  .flow-sub{margin:2px 0 0;color:var(--muted);font-size:13px}
  .subsection{padding:20px 0 0;margin-top:20px;border-top:1px solid var(--line)}
  .section-head{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}
  .section-title{margin:0;font-family:var(--font-display);font-weight:700;font-size:17px;line-height:1.3;letter-spacing:-.005em}
  .opt{color:var(--muted);font-family:var(--font-body);font-weight:500;font-size:13px;margin-left:6px}
  .section-sub{color:var(--muted);font-size:13px;margin:3px 0 12px}
  .fee{
    display:inline-flex;align-items:center;margin-left:7px;padding:3px 7px;border-radius:999px;
    background:var(--accent-soft);color:var(--accent);font:700 10px/1 var(--font-body);vertical-align:middle;
  }
  /* 仅供屏幕阅读器的标签：视觉隐藏但保留可访问名称 */
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .label{font-size:13px;font-weight:600;margin:12px 0 6px}
  .label-flush{margin-top:0}
  input[type=text],input[type=email],select,textarea{
    width:100%;border:1px solid var(--line-strong);border-radius:var(--radius);padding:10px 12px;
    font:inherit;font-size:14px;color:var(--ink);background:#fff;
    transition:border-color .15s, box-shadow .15s;
  }
  input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:none;border-color:var(--state);box-shadow:0 0 0 3px rgba(234,82,18,.16);
  }
  textarea{min-height:84px;resize:vertical}
  #viewerText{min-height:68px;resize:none;line-height:1.35}
  .help{font-size:12px;color:var(--muted);margin-top:5px}

  /* ============ Viewer 颜色 ============ */
  .swatches{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:4px}
  .swatch{position:relative;cursor:pointer}
  .swatch input{position:absolute;opacity:0;inset:0;cursor:pointer}
  .swatch .chip{
    box-sizing:border-box;height:100%;display:grid;justify-items:center;gap:8px;padding:14px 8px 11px;
    border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;
    transition:border-color .15s, box-shadow .15s, transform .15s;
  }
  .viewer-color-icon{width:100%;max-width:72px;aspect-ratio:72/54;height:auto;display:block;filter:drop-shadow(0 2px 2px rgba(0,0,0,.16))}
  .viewer-color-icon svg{display:block;width:100%;height:100%}
  .viewer-color-icon img{display:block;width:100%;height:100%;object-fit:cover}
  .reel-only-icon{display:grid;place-items:center;filter:none}
  .reel-only-preview{position:relative;display:block;width:50px;aspect-ratio:1}
  .reel-only-preview .disc-ring{
    box-shadow:inset 0 0 0 1px rgba(0,0,0,.16),0 4px 9px -6px rgba(0,0,0,.42);
  }
  .reel-only-preview .frame{border-width:1.25px;border-color:#cfcfd8;box-shadow:0 1px 3px rgba(0,0,0,.12)}
  .reel-only-preview .centerWrap{box-shadow:inset 0 0 0 1px rgba(0,0,0,.16)}
  .swatch .nm{font-size:12px;font-weight:600;color:var(--ink);line-height:1.2;text-align:center}
  .swatch:hover .chip{border-color:#8a8d91;background:#f7f8fa}
  .swatch input:checked + .chip{
    border-color:var(--state);background:var(--state-soft);box-shadow:0 0 0 1px var(--state);
  }
  .swatch input:focus-visible + .chip{box-shadow:0 0 0 3px rgba(234,82,18,.24)}
  .swatch-none .chip{place-content:center;text-align:center}
  @media (max-width:520px){
    .swatches{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 6px}
    .swatch{min-width:0}
    .swatch .chip{width:100%;min-height:62px;place-content:center;gap:3px;padding:5px 3px 4px;border-color:transparent;border-radius:0;background:transparent;transition:none}
    .viewer-color-icon{max-width:64px;padding:5px 7px;border-radius:var(--radius);transition:background-color .15s,box-shadow .15s}
    .swatch .nm{font-size:11px}
    .swatch:hover .chip{border-color:transparent}
    .swatch input:focus-visible + .chip{box-shadow:none}
    .swatch input:focus-visible + .chip .viewer-color-icon{box-shadow:0 0 0 2px rgba(0,0,0,.3)}
    .swatch input:checked + .chip{border-color:transparent;background:transparent;box-shadow:none}
    .swatch input:checked + .chip .viewer-color-icon{
      background:var(--accent-soft);box-shadow:0 0 0 1.5px var(--accent),0 3px 8px rgba(0,0,0,.12);
    }
    .swatch input:checked + .chip .nm{color:var(--accent)}
  }

  /* Viewer 文字计数 */
  .count{font-variant-numeric:tabular-nums}

  /* ============ 照片网格 ============ */
  .tabs{display:flex;flex-wrap:wrap;gap:4px;margin:2px 0 14px}
  .tab{
    padding:7px 12px;border-radius:var(--radius);border:1px solid transparent;
    background:transparent;font:650 12px/1.4 var(--font-body);color:var(--muted);cursor:pointer;
  }
  .tab:hover{background:var(--accent-soft);color:var(--ink)}
  .tab:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(234,82,18,.2)}
  .tab.active{background:var(--state);color:#fff;border-color:var(--state)}
  .tab.completed{background:var(--state-soft);color:var(--state);border-color:transparent}
  .tab.completed.active{background:var(--state);color:#fff;border-color:var(--state)}
  .reel-editor{position:relative}
  .reel-editor-nav{
    display:flex;align-items:center;gap:14px;
    margin:16px 0 0;padding:9px 10px;border:1px solid var(--line);border-radius:var(--radius);
    background:rgba(255,255,255,.97);box-shadow:0 2px 8px rgba(0,0,0,.10);
  }
  .reel-editor-context{flex:none;display:grid;gap:1px;min-width:112px}
  .reel-editor-context span{color:var(--muted);font-size:11px;font-weight:600}
  .reel-editor-context strong{font-family:var(--font-display);font-size:16px;font-weight:600;line-height:1.2}
  .reel-editor-nav .tabs{flex:1;flex-wrap:nowrap;gap:6px;margin:0;padding:1px 0;overflow-x:auto;scrollbar-width:thin}
  .reel-editor-nav .tab{flex:none}
  .reel-editor-block{padding-top:22px}
  .reel-editor-block + .reel-editor-block{margin-top:22px;border-top:1px solid var(--line)}
  .reel-editor-block-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:4px}
  .reel-editor-block-head h4{margin:0;font-family:var(--font-display);font-size:19px;font-weight:600;line-height:1.25}
  .reel-editor-block-head span{color:var(--muted);font-size:10px;font-weight:700;white-space:nowrap}
  .reel-editor-block-head h4.req::after{content:'*';color:var(--danger);margin-left:4px;font-weight:700}
  .reel-editor-block-copy{margin:0 0 14px;color:var(--muted);font-size:12px}
  .reel-editor-actions{display:flex;gap:10px;margin-top:18px}
  .reel-editor-actions[hidden]{display:none}
  .reel-editor-actions .btn{height:46px}
  @media (max-width:520px){
    .reel-editor-nav{align-items:stretch;flex-direction:column;gap:8px;padding:9px 10px}
    .reel-editor-context{display:flex;align-items:baseline;justify-content:space-between;min-width:0}
    .reel-editor-nav .tabs{width:100%}
    .reel-editor-block-head{align-items:flex-start;flex-direction:column;gap:1px}
  }

  .reel-setup{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:15px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  }
  .reel-setup-copy{font-size:13px;color:var(--muted);line-height:1.45}
  .reel-setup-copy b{display:block;color:var(--ink);font-size:14px}
  .reel-stepper{display:flex;align-items:center;gap:5px;padding:4px;border:1px solid var(--line-strong);border-radius:999px;background:#fff}
  .reel-stepper button{
    width:36px;height:36px;border:0;border-radius:999px;background:var(--accent-soft);color:var(--accent);
    font:700 20px/1 var(--font-body);cursor:pointer;
  }
  .reel-stepper button:disabled{opacity:.35;cursor:not-allowed}
  .reel-stepper button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,0,0,.2)}
  .reel-stepper input{
    width:48px;padding:0;border:0;border-radius:0;background:transparent;text-align:center;
    font:700 14px/1 var(--font-body);font-variant-numeric:tabular-nums;appearance:textfield;
  }
  .reel-stepper input::-webkit-inner-spin-button,.reel-stepper input::-webkit-outer-spin-button{appearance:none;margin:0}
  .reel-stepper input:focus-visible{outline:none;box-shadow:none}
  .order-contents{
    margin-top:11px;padding:11px 14px;border-left:3px solid var(--accent);background:var(--accent-soft);
    color:var(--ink);font-size:12px;line-height:1.45;
  }
  .order-contents b{font-weight:700}
  .volume-discount{
    margin-top:14px;border-block:1px solid var(--line);
  }
  .volume-discount-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 2px 9px}
  .volume-discount-title{font-family:var(--font-display);font-size:15px;font-weight:600}
  .volume-discount-auto{color:var(--muted);font-size:10.5px;white-space:nowrap}
  .volume-discount-tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line)}
  .volume-discount-tier{
    min-width:0;padding:10px 12px;color:var(--muted);font-size:11px;line-height:1.25;
    transition:background .18s,color .18s;
  }
  .volume-discount-tier + .volume-discount-tier{border-left:1px solid var(--line)}
  .volume-discount-tier:nth-child(n+4){border-top:1px solid var(--line)}
  .volume-discount-tier:nth-child(3n+1){border-left:0}
  .volume-discount-tier b{display:block;margin-top:2px;color:var(--ink);font-size:13px;font-weight:700}
  .volume-discount-tier small{display:block;margin-top:2px;color:var(--muted);font-size:10px;font-weight:600}
  .volume-discount-tier .tier-tag{
    display:inline-flex;margin-left:4px;padding:1px 4px;border-radius:3px;background:var(--accent);color:#fff;
    font-size:7px;font-weight:700;line-height:1.2;letter-spacing:.01em;text-transform:uppercase;vertical-align:1px;
  }
  .volume-discount-tier.active{background:var(--accent-soft);color:var(--accent)}
  .volume-discount-tier.active b{color:var(--accent)}
  .volume-discount-status{position:relative;padding:9px 2px 10px 16px;color:var(--muted);font-size:11px;line-height:1.35}
  .volume-discount-status::before{content:"";position:absolute;left:2px;top:14px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
  .reel-overall{margin-top:12px;color:var(--muted);font-size:12px;font-weight:600}
  @media (max-width:520px){
    .reel-setup{align-items:flex-start}.reel-setup-copy{max-width:190px}
    .volume-discount-head{align-items:flex-start;flex-direction:column;gap:0}
    .volume-discount-auto{white-space:normal}
    .volume-discount-tier{padding-inline:9px}
  }
  .batch-service-note{
    margin-top:14px;padding:13px 2px;border-block:1px solid var(--line-strong);color:var(--ink);
  }
  .batch-service-note[hidden]{display:none}
  .batch-service-kicker{color:var(--accent);font-size:12px;font-weight:700}
  .batch-service-title{margin:2px 0 4px;font-family:var(--font-display);font-size:16px;font-weight:600}
  .batch-service-copy{color:var(--muted);font-size:11.5px;line-height:1.5}
  .batch-service-email{
    display:inline-flex;margin-top:8px;color:var(--accent);font-size:11px;font-weight:700;text-decoration:underline;text-underline-offset:3px;
  }

  .grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
  .uploader{
    border:1.5px dashed var(--line-strong);border-radius:var(--radius);aspect-ratio:1/1;
    display:grid;place-items:center;cursor:pointer;position:relative;background:#fff;overflow:hidden;
    transition:border-color .15s, background .15s, transform .15s;
  }
  .uploader:hover{background:var(--accent-soft);border-color:var(--accent)}
  .uploader input{position:absolute;inset:0;opacity:0;cursor:pointer}
  .uploader.filled>input{pointer-events:none}
  .uploader .ph{font-size:11px;color:var(--muted);text-align:center;line-height:1.35}
  .uploader .ph b{display:block;font-size:17px;color:var(--accent);font-weight:600}
  .uploader img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .uploader.filled{border-style:solid;border-color:var(--line)}
  .edit-badge{
    position:absolute;right:6px;bottom:6px;z-index:2;
    background:rgba(0,0,0,.88);color:#fff;font-size:10px;font-weight:600;
    padding:4px 8px;border-radius:999px;backdrop-filter:blur(2px);
  }
  .remove-badge{
    position:absolute;right:6px;top:6px;z-index:2;
    width:32px;height:32px;border-radius:999px;display:grid;place-items:center;
    background:transparent;color:#fff;font-size:14px;line-height:1;cursor:pointer;
  }
  .remove-badge::before{
    content:"";position:absolute;inset:4px;z-index:-1;border-radius:999px;
    background:rgba(0,0,0,.88);backdrop-filter:blur(2px);
  }
  .remove-badge:hover::before{background:rgba(217,45,76,.95)}
  .center-thumb{width:96px}

  .progress{display:flex;align-items:center;gap:10px;margin-top:12px}
  .progress .bar{flex:1;height:6px;border-radius:99px;background:var(--line);overflow:hidden}
  .progress .bar i{display:block;height:100%;width:0;border-radius:99px;background:var(--accent);transition:width .35s cubic-bezier(.22,.8,.3,1)}
  .progress .num{font-size:12px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
  .progress.done .bar i{background:var(--accent)}
  .progress.done .num{color:var(--accent)}

  .same-images-opt{
    display:flex;align-items:center;gap:10px;padding:12px 14px;margin-top:14px;
    background:var(--paper);border-radius:var(--radius);font-size:13px;font-weight:600;
    cursor:pointer;border:1px solid var(--line);
  }
  .same-images-opt input{width:17px;height:17px;accent-color:var(--accent);cursor:pointer}
  .copy-options{display:grid;gap:8px;margin-top:14px}
  .copy-options.is-hidden{display:none}
  .copy-options-intro{padding:2px 2px 4px}
  .copy-options-intro b{display:block;font-family:var(--font-display);font-size:16px;font-weight:600}
  .copy-options-intro span{display:block;margin-top:2px;color:var(--muted);font-size:11.5px;line-height:1.45}
  .copy-options .same-images-opt{margin-top:0}
  .same-images-opt.sub-option{margin-left:24px;background:#fff;font-weight:500}
  .same-images-opt:has(input:disabled){opacity:.5;cursor:not-allowed}
  .shared-photos-note{
    margin:-4px 0 12px;padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);
    color:var(--muted);font-size:12px;font-weight:600;
  }
  .photo-toolbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin:0 0 12px;padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  }
  /* 工具类操作：描边胶囊，视觉重量低于主按钮；hover 翻转为实心 */
  .batch-upload{
    display:inline-flex;align-items:center;gap:9px;min-height:40px;padding:9px 14px;border-radius:999px;
    background:#fff;color:var(--ink);border:1.5px solid var(--ink);font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;
    transition:background .15s,color .15s;
  }
  .batch-upload:hover{background:var(--accent);color:#fff}
  .batch-upload input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
  .batch-upload svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
  .batch-upload.disabled{background:#fff;border-color:#d8d8e2;color:#9a9aa6;cursor:default;pointer-events:none}
  .photo-order-hint{color:var(--muted);font-size:11px;line-height:1.4;text-align:right}
  .uploader[draggable="true"]{cursor:grab}
  .uploader.dragging{opacity:.45;transform:scale(.97)}
  .uploader.drag-target{border-color:var(--accent);background:var(--accent-soft)}
  /* 移动端拖动排序：原格子变为虚线占位，拖影跟随手指 */
  .uploader.drag-origin{border-style:dashed;border-color:var(--accent);background:var(--accent-soft)}
  .uploader.drag-origin img{opacity:.3}
  .uploader.drag-origin .edit-badge,.uploader.drag-origin .remove-badge,.uploader.drag-origin .order-controls{opacity:0}
  /* z-index 高于常驻价格条，拖拽悬浮图始终可见 */
  .drag-ghost{position:fixed;left:0;top:0;z-index:95;pointer-events:none;will-change:transform}
  .drag-ghost img{
    display:block;width:100%;height:100%;object-fit:cover;border-radius:var(--radius);
    box-shadow:0 6px 16px rgba(0,0,0,.18);
    transition:transform .18s cubic-bezier(.2,.8,.25,1), box-shadow .18s ease;
  }
  .drag-ghost::after{
    content:"Moving";position:absolute;left:50%;top:-16px;opacity:0;
    padding:3px 7px;border-radius:999px;background:var(--accent);color:#fff;
    font:700 9px/1 var(--font-body);letter-spacing:.04em;
    transform:translate(-50%,5px) scale(.9);transition:opacity .16s,transform .16s;
  }
  .drag-ghost.lifted::after{opacity:1;transform:translate(-50%,0) scale(1)}
  .drag-ghost.lifted img{
    box-shadow:0 14px 30px rgba(0,0,0,.3);
    animation:drag-float .62s ease-in-out infinite alternate;
  }
  .uploader.drag-origin{animation:drag-slot-pulse .7s ease-in-out infinite alternate}
  @keyframes drag-float{
    from{transform:translateY(-2px) scale(1.07) rotate(-1deg)}
    to{transform:translateY(2px) scale(1.1) rotate(1deg)}
  }
  @keyframes drag-slot-pulse{
    from{box-shadow:0 0 0 1px rgba(0,0,0,.12)}
    to{box-shadow:0 0 0 5px rgba(0,0,0,.22)}
  }
  .order-controls{
    position:absolute;left:5px;bottom:5px;z-index:3;display:flex;gap:3px;padding:2px;
    border-radius:999px;background:rgba(0,0,0,.82);backdrop-filter:blur(2px);
  }
  .order-controls button{
    width:22px;height:22px;padding:0;border:0;border-radius:999px;background:transparent;color:#fff;
    font:700 12px/1 var(--font-body);cursor:pointer;
  }
  .order-controls button:disabled{opacity:.28;cursor:default}
  .order-controls button:not(:disabled):hover{background:rgba(255,255,255,.18)}
  @media (max-width:520px){
    .photo-toolbar{align-items:stretch;flex-direction:column}
    .batch-upload{justify-content:center}
    .photo-order-hint{text-align:left}
    .order-controls{display:none}
    .uploader.filled:not(.shared){-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
    /* 触控热区保持 44px（透明区域），视觉徽章缩小避免遮挡照片 */
    .remove-badge{width:44px;height:44px;right:0;top:0}
    .remove-badge::before{inset:10px}
    .edit-badge::after{content:"";position:absolute;left:50%;top:50%;width:44px;height:44px;transform:translate(-50%,-50%)}
  }
  @media (prefers-reduced-motion:reduce){
    .drag-ghost.lifted img{animation:none;transform:scale(1.08)}
    .uploader.drag-origin{animation:none}
  }
  .uploader.shared{cursor:default;background:var(--paper);border-color:var(--line-strong)}
  .uploader.shared:hover{transform:none;background:var(--paper);border-color:var(--line-strong)}

  .center-mode-grid{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;margin-top:8px;
    border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;overflow:hidden;
  }
  .center-mode-grid[hidden]{display:none}
  .engraving-toggle{
    position:relative;min-height:58px;padding:10px 12px 10px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);
    display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px;background:#fff;cursor:pointer;
    transition:border-color .15s,background .15s,box-shadow .15s;
  }
  .engraving-toggle:hover{border-color:var(--accent);background:#f5f5f6}
  .engraving-toggle:has(input:checked){border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px rgba(0,0,0,.12)}
  .engraving-toggle-copy{display:grid;gap:1px;min-width:0}
  .engraving-toggle-copy b{font-size:13px}
  .engraving-toggle-copy span{color:var(--muted);font-size:10.5px;line-height:1.35}
  .engraving-toggle-price{color:var(--accent);font-size:10px;font-weight:700;white-space:nowrap}
  .engraving-toggle-price[hidden]{display:none}
  .engraving-style-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-bottom:10px}
  .engraving-style{
    position:relative;display:grid;justify-items:center;gap:2px;padding:8px 6px;text-align:center;
    border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;cursor:pointer;
    transition:border-color .15s,background .15s,box-shadow .15s;
  }
  .engraving-style:hover{border-color:var(--accent);background:#f5f5f6}
  .engraving-style:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
  .engraving-style:has(input:focus-visible){box-shadow:0 0 0 3px rgba(0,0,0,.25)}
  .engraving-style input{position:absolute;width:1px;height:1px;opacity:0}
  .engraving-style b{font-size:12.5px;font-weight:600;line-height:1.25}
  .engraving-style-price{color:var(--accent);font-size:10px;font-weight:700;white-space:nowrap}
  .engraving-toggle input{position:absolute;width:1px;height:1px;opacity:0}
  .engraving-toggle-ui{width:44px;height:26px;padding:3px;border-radius:999px;background:#d7d7e0;transition:background .18s}
  .engraving-toggle-ui::after{
    content:"";display:block;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.25);
    transition:transform .18s cubic-bezier(.2,.8,.25,1);
  }
  .engraving-toggle input:checked + .engraving-toggle-ui{background:var(--accent)}
  .engraving-toggle input:checked + .engraving-toggle-ui::after{transform:translateX(18px)}
  .engraving-toggle input:focus-visible + .engraving-toggle-ui{box-shadow:0 0 0 3px rgba(0,0,0,.25)}
  .center-mode{position:relative;display:flex;min-width:0;cursor:pointer}
  .center-mode + .center-mode{border-left:1px solid var(--line)}
  .center-mode input{position:absolute;inset:0;opacity:0;cursor:pointer}
  .center-mode-card{
    width:100%;min-height:54px;padding:7px 5px 6px;border:0;background:transparent;
    display:grid;place-content:center;justify-items:center;gap:2px;text-align:center;
    transition:border-color .15s,box-shadow .15s,background .15s;
  }
  .center-mode:hover .center-mode-card{background:#f5f5f6}
  .center-mode input:checked + .center-mode-card{background:var(--accent-soft);box-shadow:inset 0 -3px 0 var(--accent)}
  .center-mode input:focus-visible + .center-mode-card{box-shadow:0 0 0 3px rgba(0,0,0,.24)}
  .center-mode input:disabled + .center-mode-card{opacity:.45;cursor:default}
  .center-mode-sample,.center-mode-desc{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .center-mode-name{font-weight:700;font-size:12px;line-height:1.25;white-space:nowrap}
  .center-mode-price{color:var(--accent);font-size:9.5px;font-weight:700;line-height:1.2;white-space:nowrap}
  .center-mode input[value="none"] + .center-mode-card .center-mode-price{color:var(--muted)}
  .center-option-panel{
    margin-top:10px;padding:0;border:0;background:transparent;
  }
  .center-option-panel[hidden]{display:none}
  .center-field-label{display:block;margin-bottom:5px;font-size:11.5px;font-weight:700}
  .center-text-row{display:block}
  #customText{min-height:44px;resize:none}
  .center-field-help{display:flex;justify-content:space-between;gap:12px;margin-top:4px;color:var(--muted);font-size:10.5px}
  .center-photo-row{display:flex;align-items:center;gap:11px;padding-top:1px}
  .center-photo-row .center-thumb{flex:none;width:64px}
  .center-photo-copy{display:grid;gap:2px;color:var(--muted);font-size:10.5px;line-height:1.35}
  .center-photo-copy b{color:var(--ink);font-size:12px}
  @media (max-width:360px){
    .center-mode-name{font-size:11px}
    .center-mode-price{font-size:9px}
  }
  .center-option-title{font-family:var(--font-display);font-size:16px;font-weight:600;margin-bottom:5px}
  .center-option-copy{color:var(--muted);font-size:11.5px;line-height:1.45;margin-bottom:12px}
  @media (max-width:520px){
    #viewerEngravingPanel{position:relative;margin-top:8px;padding:10px 11px}
    #viewerEngravingPanel .center-option-title{padding-right:52px;font-size:14px;margin-bottom:2px}
    #viewerEngravingPanel .center-option-copy{margin-bottom:7px;font-size:10.5px;line-height:1.3}
    #viewerEngravingPanel .help{position:absolute;top:11px;right:11px;margin:0;line-height:1.2}
    #viewerText{min-height:50px;padding:7px 10px;line-height:1.25}
  }
  /* ============ Add-ons ============ */
  .addon-grid{display:grid;grid-template-columns:1fr;gap:9px;margin-top:14px}
  .addon-option{grid-column:1/-1;position:relative;cursor:pointer}
  .addon-option input{position:absolute;width:1px;height:1px;opacity:0;cursor:pointer}
  .addon-feature-card{
    width:100%;min-height:96px;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
    display:grid;grid-template-columns:74px minmax(0,1fr);grid-template-areas:"image details";
    align-items:center;gap:12px;color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s;
  }
  .addon-feature-title{grid-area:title;display:block;font-family:var(--font-display);font-size:15px;font-weight:600;line-height:1.2}
  /* height:auto 必须显式声明，否则 img 的 height 属性会作为 presentational hint 压过 aspect-ratio */
  .addon-feature-image{grid-area:image;display:block;width:74px;height:auto;aspect-ratio:1;object-fit:cover;border-radius:var(--radius);background:var(--paper)}
  .addon-feature-details{grid-area:details;align-self:center;min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"title price" "desc choice";gap:4px 12px;align-items:center}
  .addon-feature-price{grid-area:price;justify-self:end;display:block;color:var(--muted);font-size:10.5px;line-height:1.25;white-space:nowrap}
  .addon-feature-price s{margin-right:5px;color:var(--muted)}
  .addon-feature-price strong{color:var(--accent);font-size:13px;white-space:nowrap}
  .addon-feature-price s + strong{margin-left:0}
  .addon-feature-desc{grid-area:desc;display:block;color:var(--muted);font-size:10.5px;line-height:1.35}
  .addon-feature-choice{grid-area:choice;justify-self:end;display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700}
  .addon-feature-check{
    flex:none;width:19px;height:19px;border:1.5px solid var(--accent);border-radius:2px;background:#fff;position:relative;
  }
  .addon-option:hover .addon-feature-card{border-color:var(--line-strong);background:#fbfbfc}
  .addon-option input:checked + .addon-feature-card{border-color:var(--accent);background:#fff;box-shadow:inset 3px 0 0 var(--accent)}
  .addon-option input:checked + .addon-feature-card .addon-feature-check{background:var(--accent)}
  .addon-option input:checked + .addon-feature-card .addon-feature-check::after{
    content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
  }
  .addon-option input:focus-visible + .addon-feature-card{box-shadow:0 0 0 3px rgba(0,0,0,.2)}
  @media (max-width:520px){
    .addon-feature-card{padding:8px;grid-template-columns:66px minmax(0,1fr);gap:9px}
    .addon-feature-title{font-size:13px}
    .addon-feature-image{width:66px}
    .addon-feature-price{font-size:10px}.addon-feature-price strong{font-size:12px}
    .addon-feature-desc{font-size:10px}
    .addon-feature-choice{gap:5px;font-size:11px}
  }

  /* ≤680：窄屏布局收紧 */
  @media (max-width:680px){
    .shell{padding:14px 10px 28px}
    .hero h1{font-size:clamp(34px,10.5vw,48px)}
    .steps-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
    .steps-strip button{justify-content:center;padding-inline:6px}
    main.card{padding:18px 14px}
    .flow-group{padding:28px 0}
    .flow-title{font-size:20px}
    .subsection{padding-top:20px}
    .addon-feature-card{min-height:100px}
  }

  .checkout-section{padding-top:28px;border-top:1px solid var(--line-strong)}
  .price-summary{
    margin-top:14px;padding:14px 2px;border-block:1px solid var(--line-strong);display:grid;gap:8px;
  }
  .price-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px}
  .price-row span:last-child{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
  .price-row.discount span:last-child{color:var(--accent)}
  .price-row.total{margin-top:4px;padding-top:10px;border-top:1px solid var(--line);font-size:16px;color:var(--ink)}
  .price-row.total span:first-child{font-family:var(--font-display);font-weight:600}
  .price-row.total span:last-child{color:var(--accent);font-size:20px}
  #pricingUnavailable{padding:12px 16px;border-radius:var(--radius);background:#fdecea;color:#8a1c11;font-size:14px}
  #pricingUnavailable[hidden]{display:none}
  .draft-status{min-height:18px}
  .lead-time{margin:0 0 10px;color:var(--muted);font-size:12.5px}
  .validation-message{
    width:100%;min-height:42px;padding:9px 13px;border:1px solid var(--line-strong);border-radius:var(--radius);
    background:var(--accent-soft);color:var(--accent);font:600 12px/1.45 var(--font-body);text-align:left;cursor:pointer;
  }
  .validation-message:hover{border-color:var(--accent)}
  .validation-message:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,0,0,.18)}
  .validation-message[hidden]{display:none}

  /* ============ 常驻价格条：底部 CTA 滚出视口时接管 ============ */
  .sticky-price{
    position:fixed;right:0;bottom:0;left:0;z-index:90;
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:10px clamp(12px,3vw,30px);
    padding-bottom:calc(10px + env(safe-area-inset-bottom));
    border-top:1px solid var(--line-strong);
    /* 实心背景：半透明会让下方预览图透上来，读数变脏 */
    background:var(--card);box-shadow:0 -2px 10px rgba(0,0,0,.07);
  }
  .sticky-price[hidden]{display:none}
  .sticky-price-total{display:flex;align-items:baseline;gap:8px;min-width:0}
  .sticky-price-total span{color:var(--muted);font-size:12px}
  .sticky-price-total b{
    font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--ink);
    font-variant-numeric:tabular-nums;
  }
  /* .btn 默认 flex:1，在价格条里会吃掉整行，必须显式关掉 */
  .sticky-price .btn{flex:none;width:auto;min-width:220px;padding-inline:24px}
  /* 补偿价格条高度。必须常驻：跟随显隐切换会让页面高度变化，
     进而反复触发 CTA 的可见性判定，价格条会在底部反复闪烁。 */
  body{padding-bottom:80px}

  /* ============ 预览盘 ============ */
  .aside-title{
    font-family:var(--font-display);font-weight:600;font-size:19px;
    display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;
  }
  .aside-title .badge{
    font-family:var(--font-body);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
    color:var(--accent);padding:2px 0;border-bottom:1px solid var(--accent);
  }
  .reel-preview-switcher{display:flex;align-items:center;gap:5px}
  .reel-preview-switcher button{
    width:36px;height:36px;padding:0;border:1px solid var(--line-strong);border-radius:999px;
    display:grid;place-items:center;background:#fff;color:var(--accent);font:700 17px/1 var(--font-body);cursor:pointer;
    transition:border-color .15s,background .15s,transform .15s;
  }
  .reel-preview-switcher button:not(:disabled):hover{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}
  .reel-preview-switcher button:disabled{opacity:.3;cursor:default}
  .reel-preview-switcher button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,0,0,.2)}
  .reel-preview-switcher.single button{display:none}
  @media (max-width:520px){
    .reel-preview-switcher button{width:44px;height:44px}
  }
  .stage{display:flex;justify-content:center;padding:6px 0 2px}
  .disc{
    position:relative;width:min(360px,76vw);aspect-ratio:1/1;cursor:pointer;
    -webkit-tap-highlight-color:transparent;
  }
  .disc-ring{
    position:absolute;inset:-3%;border-radius:999px;background:#fff;
    box-shadow:
      inset 0 0 0 1px rgba(0,0,0,.08),
      0 12px 28px -20px rgba(0,0,0,.42);
  }
  #ringSpin{position:absolute;inset:0;transition:transform .65s cubic-bezier(.25,.9,.3,1.05)}
  .centerWrap{
    position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56%;height:56%;
    border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:3;
    background:radial-gradient(circle at 38% 30%, #fdfdfe, #ececf1);
    box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);
    transition:transform .65s cubic-bezier(.25,.9,.3,1.05);
  }
  @media (prefers-reduced-motion:reduce){#ringSpin,.centerWrap{transition:none}}
  .centerWrap img{width:100%;height:100%;object-fit:cover;display:none}
  .centerWrap .txt{
    position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2;
    color:#16161a;text-shadow:0 1px 1px rgba(255,255,255,.7);
    /* 产品输出字体：与 JS 测量（Fraunces）保持一致，勿改为页面装饰字体 */
    font-family:"Fraunces", Georgia, serif;font-weight:600;
    white-space:nowrap;line-height:1;text-align:center;padding:18% 8% 0;overflow:hidden;font-size:32px;
  }
  .frame{
    position:absolute;width:14%;aspect-ratio:1/1;border-radius:16%;
    background:#fff;border:2px solid #e2e2ea;box-shadow:0 3px 10px rgba(0,0,0,.10);
    overflow:hidden;transform-origin:center;
  }
  .frame img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;visibility:hidden}
  .stage-hint{text-align:center;font-size:12px;color:var(--muted);margin-top:12px}
  .stage-hint b{color:var(--accent);font-weight:600}

  /* ============ Viewer 预览（实拍图 + 刻字叠加） ============ */
  .viewer-fig{margin:6px auto 0;max-width:340px}
  .viewer-art{position:relative;aspect-ratio:4/3;overflow:hidden}
  .viewer-art .viewer-photo{display:block;width:100%;height:100%;object-fit:cover}
  /* 未选颜色时 src 还没设（见 renderViewer），无 src 的 img 会渲染成破图图标+alt 文字 */
  .viewer-art .viewer-photo:not([src]){visibility:hidden}
  .viewer-art .viewer-text-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
  .viewer-fig .vtext{transition:opacity .2s}
  .viewer-cap{font-size:12px;color:var(--muted);margin:8px 2px 0}
  .viewer-cap b{color:var(--ink);font-weight:600}
  .inline-viewer{display:block;max-width:320px;margin-top:16px}
  .inline-viewer.reel-only{display:none}
  .aside .viewer-card{display:none} /* viewer 已内嵌到步骤 1，侧栏不重复展示 */
  #reelPreviewSlot .card{margin-top:24px;background:#fff}

  .tips{font-size:12.5px;color:var(--muted);display:grid;gap:8px}
  .tips div{display:flex;gap:8px}
  .tips div::before{content:"•";color:var(--accent);font-weight:900}

  /* ============ 操作区 ============ */
  .actions{display:grid;gap:12px}
  .actions-spaced{margin-top:16px}
  .btn-group{display:flex;gap:10px}
  .btn{
    flex:1;height:54px;border-radius:var(--radius);border:none;cursor:pointer;
    background:var(--accent);color:#fff;
    font:600 15px/1 var(--font-body);letter-spacing:.04em;
    display:flex;align-items:center;justify-content:center;
    transition:transform .15s, box-shadow .15s, background .15s, filter .15s;
  }
  .btn:not(:disabled):hover{filter:brightness(.92);transform:translateY(-1px)}
  .btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line-strong);box-shadow:none}
  .btn:disabled{background:#e2e2ea;color:#9a9aa6;cursor:not-allowed;box-shadow:none}
  .actions .help{text-align:center}

  .footnote{
    text-align:center;max-width:560px;margin:36px auto 8px;
    font-size:12px;font-weight:600;letter-spacing:.03em;color:var(--ink);line-height:1.6;
  }
  .store-footer{
    display:grid;justify-items:center;gap:12px;margin:20px auto 4px;padding:20px 12px 30px;
    border-top:1px solid var(--line);color:var(--muted);font-size:11px;text-align:center;
  }
  .store-footer-brand{font-size:18px}
  .store-footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px}
  /* 伪元素扩大命中区到 44px，视觉排版不变 */
  .store-footer-nav a{position:relative;color:var(--ink);font-weight:650;text-decoration:none}
  .store-footer-nav a::after{content:"";position:absolute;inset:-14px -10px}
  .store-footer-nav a:hover{text-decoration:underline;text-underline-offset:3px}
  .store-contact{margin:0}
  .store-contact a{color:inherit;text-underline-offset:3px}
  .store-contact a:hover{color:var(--accent)}

  /* ============ 裁剪弹窗 ============ */
  .cropper{
    position:fixed;inset:12px;width:calc(100% - 24px);max-width:900px;height:fit-content;max-height:calc(100dvh - 24px);
    margin:auto;border:0;background:#171717;border-radius:18px;padding:14px 14px 10px;
    color:#fff;overflow:auto;
  }
  .cropper::backdrop{background:rgba(12,12,18,.62);backdrop-filter:blur(3px)}
  .crop-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:8px}
  .crop-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 8px;min-width:0}
  .crop-title{font-family:var(--font-display);font-weight:600;font-size:18px;opacity:.98}
  .crop-sequence{display:none;color:var(--accent-soft);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
  .crop-spec{flex-basis:100%;color:rgba(255,255,255,.62);font-size:10.5px}
  .batch-default{
    display:block;width:100%;margin:8px 0 0;padding:9px 12px;border:1px solid rgba(255,255,255,.4);
    border-radius:var(--radius);background:rgba(255,255,255,.12);color:#fff;
    font:700 12px/1.3 var(--font-body);cursor:pointer;
  }
  .batch-default:hover{background:rgba(255,255,255,.2)}
  .batch-default:disabled{opacity:.55;cursor:wait}
  .batch-default[hidden]{display:none}
  /* 批量套用默认裁剪进行中：锁定弹窗其余交互，避免与处理循环竞争 */
  .cropper.busy :is(.crop-canvas-wrap,.ctrls,.caption-toggle,.text-ctrls,.crop-actions,.crop-close){pointer-events:none;opacity:.45}
  .crop-close{
    width:36px;height:36px;border-radius:999px;background:#262626;border:1px solid rgba(255,255,255,.18);
    color:#fff;font-size:20px;line-height:1;cursor:pointer;
  }
  .crop-close:hover{background:#333333}
  .crop-canvas-wrap{position:relative;background:#000;border-radius:var(--radius);overflow:hidden}
  canvas#cropCanvas{display:block;width:100%;height:auto;border-radius:var(--radius);touch-action:none;user-select:none}
  .finder{position:absolute;border:2px solid #fff;border-radius:var(--radius);box-shadow:0 0 0 9999px rgba(6,6,12,.55);pointer-events:none}
  .ctrls{display:grid;grid-template-columns:minmax(180px,1fr) auto auto;align-items:center;gap:8px;padding:9px 2px 4px}
  .zoom-control{display:flex;align-items:center;gap:9px;min-width:0;color:rgba(255,255,255,.82);font-size:11px;font-weight:700}
  .zoom-control .range{min-width:0}
  .tool-action{
    min-height:38px;padding:7px 11px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);background:#262626;
    display:flex;align-items:center;justify-content:center;gap:6px;color:#fff;font:700 11px/1 var(--font-body);cursor:pointer;
  }
  .tool-action:hover{background:#333333}
  .tool-action svg{width:17px;height:17px;display:block}
  .tool-action svg path,.crop-action-primary svg path{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .caption-toggle{
    width:100%;margin-top:4px;padding:8px 10px;border:1px dashed rgba(255,255,255,.45);border-radius:var(--radius);
    background:transparent;color:#fff;text-align:left;font:700 11.5px/1.3 var(--font-body);cursor:pointer;
  }
  .caption-toggle:hover{background:rgba(255,255,255,.12)}
  .caption-toggle::before{content:"＋";display:inline-block;width:16px}
  .caption-toggle[aria-expanded="true"]::before{content:"−"}
  .text-ctrls{
    display:grid;grid-template-columns:minmax(200px,1.5fr) minmax(150px,1fr);align-items:end;gap:9px 12px;
    padding:10px;margin-top:6px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:rgba(255,255,255,.04);
  }
  .text-ctrls[hidden]{display:none}
  .crop-field{display:grid;gap:5px;color:rgba(255,255,255,.76);font-size:10.5px;font-weight:700}
  .text-ctrls input[type="text"]{
    width:100%;min-width:0;padding:8px 10px;font:inherit;
    border:1px solid var(--line-strong);border-radius:var(--radius);
  }
  .text-ctrls #ovSize{width:100%;min-width:0}
  .ov-colors{display:flex;gap:6px}
  .ov-color{
    width:22px;height:22px;border-radius:999px;padding:0;cursor:pointer;
    border:2px solid #fff;box-shadow:0 0 0 1px var(--line-strong);
  }
  .ov-color.active{box-shadow:0 0 0 2px #fff,0 0 0 3px rgba(0,0,0,.4)}
  .ov-color[data-color="#ffffff"]{background:#ffffff}
  .ov-color[data-color="#26211e"]{background:#26211e}
  .ov-color[data-color="#c8362b"]{background:#c8362b}
  .ov-color[data-color="#e9b400"]{background:#e9b400}
  .ov-color[data-color="#2a4fc2"]{background:#2a4fc2}
  .text-ctrls select{
    width:100%;padding:8px 10px;font:inherit;background:#fff;
    border:1px solid var(--line-strong);border-radius:var(--radius);
  }
  .font-field select{display:none}
  .font-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}
  .font-option{
    height:34px;min-width:0;padding:0 4px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);
    background:#fff;color:#1c1c22;font-size:9.5px;cursor:pointer;
  }
  .font-option[data-font="serif"]{font-family:Fraunces,Georgia,serif}
  .font-option[data-font="sans"]{font-family:"Instrument Sans",Arial,sans-serif}
  .font-option[data-font="hand"]{font-family:Caveat,cursive;font-size:11px}
  .font-option.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--accent-soft)}
  .range{flex:1;min-width:150px;accent-color:#fff}
  .crop-actions{
    position:sticky;bottom:-10px;z-index:2;display:grid;grid-template-columns:minmax(120px,.65fr) minmax(160px,1fr);gap:8px;
    margin-top:6px;padding:8px 2px 2px;background:linear-gradient(180deg,rgba(22,22,28,0),#171717 24%);
  }
  .crop-action-secondary,.crop-action-primary{
    min-height:44px;border-radius:var(--radius);font:700 12px/1 var(--font-body);cursor:pointer;
  }
  .crop-action-secondary{border:1px solid rgba(255,255,255,.2);background:#262626;color:#fff}
  .crop-action-secondary:hover{background:#333333}
  .crop-action-primary{border:0;background:#fff;display:flex;align-items:center;justify-content:center;gap:8px;color:#111214}
  .crop-action-primary:hover{background:#e8e8ea}
  .crop-action-primary svg{width:19px;height:19px}
  .size-hint{font-size:12px;opacity:.82;margin:8px 2px 0}
  /* 实际印刷尺寸预览。canvas 的 CSS 尺寸用 mm，浏览器按 96dpi 换算——
     与真实胶片有显示器 DPI 带来的偏差，但比在放大的编辑画布上估计要接近得多 */
  .actual-size{display:flex;align-items:center;gap:12px;margin-top:10px}
  .actual-size canvas{
    flex:none;width:12.5mm;height:11.5mm;border-radius:1px;
    background:#000;box-shadow:0 0 0 1px rgba(255,255,255,.25);
  }
  .actual-size[hidden]{display:none}
  .actual-size-copy{min-width:0;font-size:11px;line-height:1.4}
  .actual-size-copy b{display:block;font-size:11.5px}
  .actual-size-copy span{color:rgba(255,255,255,.62)}
  .warn{color:#f0b429}
  @media (max-width:520px){
    .ctrls{grid-template-columns:1fr auto auto}
    .tool-action{padding:7px 9px}
    .text-ctrls{grid-template-columns:minmax(0,1.45fr) minmax(120px,1fr);align-items:start;gap:8px 10px;padding:8px}
    .caption-field{grid-column:1;grid-row:1}
    .font-field{grid-column:2;grid-row:1}
    .text-size-field{grid-column:1;grid-row:2}
    .color-field{grid-column:2;grid-row:2}
    .crop-field{gap:4px;font-size:10px}
    .text-ctrls input[type="text"],.text-ctrls select{padding:7px 8px;border-radius:var(--radius)}
    .font-options{gap:3px}
    .font-option{height:32px;padding:0 2px;border-radius:7px;font-size:8.5px}
    .font-option[data-font="hand"]{font-size:10px}
    .ov-colors{gap:5px}
    .ov-color{width:20px;height:20px}
    .crop-actions{grid-template-columns:1fr 1.35fr}
  }

  .review{
    position:fixed;inset:12px;width:calc(100% - 24px);max-width:720px;height:fit-content;
    max-height:calc(100dvh - 24px);margin:auto;border:0;border-radius:18px;
    padding:18px 18px 14px;background:var(--card);color:var(--ink);overflow:auto;
  }
  .review::backdrop{background:rgba(12,12,18,.62);backdrop-filter:blur(3px)}
  .review-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
  .review-title{font-family:var(--font-display);font-weight:600;font-size:20px;margin:0}
  .review-close{
    flex:none;width:32px;height:32px;border:0;border-radius:50%;background:var(--line);
    color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
  }
  .review-lead{margin:6px 0 14px;color:var(--muted);font-size:13px;line-height:1.5}
  .review-reel{border-top:1px solid var(--line);padding:12px 0}
  .review-reel-title{font-weight:700;font-size:13px;margin:0 0 8px}
  .review-frames{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
  .review-frame{position:relative;aspect-ratio:1150/1050;border-radius:4px;overflow:hidden;background:var(--line)}
  .review-frame img{width:100%;height:100%;object-fit:cover;display:block}
  .review-frame b{
    position:absolute;left:2px;top:2px;padding:0 4px;border-radius:3px;
    background:rgba(0,0,0,.55);color:#fff;font-size:10px;font-weight:700;
  }
  .review-meta{margin:8px 0 0;color:var(--muted);font-size:12.5px;line-height:1.5}
  /* 刻字最多两行（见 normalizeViewerText），审阅屏必须按真实换行呈现 */
  .review-meta span{display:block;white-space:pre-line}
  .review-foot{border-top:1px solid var(--line-strong);margin-top:14px;padding-top:12px}
  .review-confirm{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;line-height:1.45;cursor:pointer}
  .review-total{display:flex;justify-content:space-between;align-items:baseline;margin:12px 0 10px}
  .review-total b{font-family:var(--font-display);font-weight:700;font-size:22px;font-variant-numeric:tabular-nums}
  .review .btn{width:100%}
  .review .help{margin:8px 0 0;text-align:center}
  @media (max-width:520px){
    .review-frames{grid-template-columns:repeat(4,1fr)}
  }

  /* ============ 紧凑型产品界面 ============ */
  :where(button,a,label,input,select,textarea){-webkit-tap-highlight-color:transparent}
  :where(button,a):active{transform:translateY(1px)}

  .reel-setup{
    padding:12px 14px;border-color:var(--line);border-radius:var(--radius);background:#f7f8fa;
  }
  .reel-setup-copy{font-size:12.5px}
  .reel-setup-copy b{font-size:14px}
  .reel-stepper{gap:2px;padding:3px;border-color:var(--line-strong);border-radius:var(--radius)}
  .reel-stepper button{width:44px;height:44px;border-radius:4px;background:var(--line);font-size:18px}
  .reel-stepper button:not(:disabled):hover{background:#d8dadf}
  .reel-stepper input{width:44px;font-size:14px}

  .order-contents{
    margin-top:10px;padding:10px 12px;border-left:3px solid var(--state);border-radius:0 6px 6px 0;
    background:var(--state-soft);font-size:12px;
  }
  .volume-discount{margin-top:12px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
  .volume-discount-head{padding:8px 12px 6px;background:#f7f8fa}
  .volume-discount-title{font-size:14px;font-weight:700}
  .volume-discount-tiers{border-block:1px solid var(--line)}
  .volume-discount-tier{padding:7px 10px;background:#fff}
  .volume-discount-tier b{margin-top:1px}
  .volume-discount-tier small{margin-top:0}
  .volume-discount-tier.active{background:var(--state-soft);color:var(--state);box-shadow:inset 0 -3px 0 var(--state)}
  .volume-discount-tier.active b{color:var(--state)}
  .volume-discount-tier .tier-tag{background:var(--state)}
  .volume-discount-status{padding:7px 12px 8px 26px;background:#fff}
  .volume-discount-status::before{top:12px;left:13px;background:var(--state)}

  .batch-service-note{padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#f7f8fa}
  .batch-service-kicker,.batch-service-email{color:var(--state)}

  .photo-toolbar{padding:10px;border-color:var(--line);border-radius:var(--radius);background:#f7f8fa}
  .batch-upload{
    min-height:38px;padding:8px 12px;border:1px solid var(--state);border-radius:var(--radius);
    background:var(--state);color:#fff;font-size:12px;
  }
  .batch-upload:hover{border-color:#0758d8;background:#0758d8}
  .batch-upload.disabled{border-color:var(--line-strong);background:var(--line);color:var(--muted)}
  .uploader{border-radius:var(--radius)}
  .uploader:hover,.uploader.drag-target{border-color:var(--state);background:var(--state-soft)}
  .progress .bar{height:5px;border-radius:2px}
  .progress .bar i{border-radius:2px;background:var(--state)}
  .progress.done .bar i{background:var(--state)}
  .progress.done .num{color:var(--state)}
  .shared-photos-note,.same-images-opt{border-radius:var(--radius)}
  .same-images-opt input{accent-color:var(--state)}

  .engraving-toggle{border-color:var(--line);border-radius:var(--radius)}
  .engraving-toggle:hover{border-color:#8a8d91;background:#f7f8fa}
  .engraving-toggle:has(input:checked){border-color:var(--state);background:var(--state-soft);box-shadow:none}
  .engraving-toggle input:checked + .engraving-toggle-ui{background:var(--state)}
  .engraving-toggle input:focus-visible + .engraving-toggle-ui{box-shadow:0 0 0 3px rgba(234,82,18,.22)}
  .engraving-style{border-radius:var(--radius)}
  .engraving-style:hover{border-color:#8a8d91;background:#f7f8fa}
  .engraving-style:has(input:checked){border-color:var(--state);background:var(--state-soft)}

  .center-mode-grid{border-color:var(--line-strong);border-radius:var(--radius)}
  .center-mode:hover .center-mode-card{background:#f7f8fa}
  .center-mode input:checked + .center-mode-card{background:var(--state-soft);box-shadow:inset 0 -3px 0 var(--state)}
  .center-mode input:focus-visible + .center-mode-card{box-shadow:0 0 0 3px rgba(234,82,18,.2)}
  .center-mode-price{color:var(--state)}

  .addon-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .addon-option{grid-column:auto}
  .addon-feature-card{
    min-height:92px;padding:9px;border-color:var(--line);border-radius:var(--radius);
    grid-template-columns:64px minmax(0,1fr);gap:10px;
  }
  .addon-feature-image{width:64px;border-radius:var(--radius)}
  .addon-feature-title{font-size:14px}
  .addon-feature-details{grid-template-columns:minmax(0,1fr) auto;gap:3px 8px}
  .addon-feature-desc{font-size:10px}
  .addon-feature-choice{font-size:11px}
  .addon-feature-check{border-color:var(--state);border-radius:3px}
  .addon-option:hover .addon-feature-card{border-color:#8a8d91;background:#f7f8fa}
  .addon-option input:checked + .addon-feature-card{
    border-color:var(--state);background:var(--state-soft);box-shadow:inset 3px 0 0 var(--state);
  }
  .addon-option input:checked + .addon-feature-card .addon-feature-check{background:var(--state)}
  .addon-option input:focus-visible + .addon-feature-card{box-shadow:0 0 0 3px rgba(234,82,18,.18)}

  .checkout-section{padding-top:24px}
  .price-summary{padding:12px 0}
  .price-row.total span:last-child{color:var(--ink)}
  .validation-message{border-radius:var(--radius);background:var(--state-soft);color:#0756c9}
  .validation-message:hover{border-color:var(--state)}

  .aside-title{margin-bottom:10px;font-size:16px;font-weight:700}
  .aside-title .badge{color:var(--state);letter-spacing:0;text-transform:none;border-color:var(--state)}
  .reel-preview-switcher button{border-radius:var(--radius);color:var(--ink)}
  .reel-preview-switcher button:not(:disabled):hover{border-color:var(--state);background:var(--state-soft);color:var(--state)}
  .viewer-fig{margin-top:2px}
  .stage{padding-top:2px}
  .stage-hint{margin-top:8px}
  .tips{gap:0;padding-block:10px}
  .tips div{padding:9px 0;line-height:1.45}
  .tips div + div{border-top:1px solid var(--line)}
  .tips div::before{color:var(--state)}

  .btn{height:48px;border-radius:var(--radius);letter-spacing:0}
  .btn:not(:disabled):hover{filter:none;background:var(--accent-hover);transform:none}
  .btn:not(:disabled):active{transform:translateY(1px)}
  .btn.secondary:hover{background:var(--accent-soft)}
  .footnote{margin-top:28px;color:var(--muted);font-weight:500;letter-spacing:0}
  .store-footer{margin-top:14px;padding-bottom:20px}

  .cropper{border-radius:var(--radius)}
  .crop-canvas-wrap,canvas#cropCanvas{border-radius:var(--radius)}
  .finder{border-radius:var(--radius)}

  .layout{gap:12px}
  #reelPreviewSlot .card{margin-top:16px}

  /* ============ 宽屏（≥1320px）：隐藏重复小标题，控件使用完整内容宽度 ============ */
  @media (min-width:1320px){
    .shell{max-width:1200px}
    .hero{padding:32px 40px 0}
    main.card{padding:32px 40px}

    /* 控件已经包含名称和说明，小标题仅保留给辅助技术读取 */
    .subsection>.sub-head{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    /* 7 张照片一行排完，一个 reel 一目了然 */
    .grid{grid-template-columns:repeat(7,minmax(0,1fr))}

    /* 6 个档位横向可比；边框改按 6 列计算 */
    .volume-discount-tiers{grid-template-columns:repeat(6,minmax(0,1fr))}
    .volume-discount-tier:nth-child(3n+1){border-left:1px solid var(--line)}
    .volume-discount-tier:nth-child(6n+1){border-left:0}
    .volume-discount-tier:nth-child(n+4){border-top:0}

    /* 宽列里防止元素被拉伸变形 */
    .swatches{grid-template-columns:repeat(6,minmax(0,132px))}
    .inline-viewer{margin-inline:0}
    #reelPreviewSlot{max-width:420px}
    .hero h1{font-size:40px}

  }
  /* ============ 大屏（≥1440px）：表单 + 随步骤切换的固定预览 ============ */
  @media (min-width:1440px){
    .shell{max-width:1400px}
    .layout{grid-template-columns:minmax(0,1fr) 360px;gap:20px}
    .aside{position:sticky;top:80px;display:grid;align-self:start;gap:12px}
    .inline-viewer{display:none}
    .aside .viewer-card{display:none}
    body[data-preview-step="viewer"] .aside .viewer-card{display:block}
    body[data-preview-step="viewer"] .aside #reelPreviewCard,
    body[data-preview-step="viewer"] .aside .tips{display:none}
    .aside .viewer-fig{max-width:none}
    .aside #reelPreviewCard .disc{
      width:min(100%,max(220px,calc(100dvh - 360px)));
    }
  }
  @media (min-width:1440px) and (max-height:720px){
    .aside .tips{display:none}
  }
  @media (max-width:680px){
    .site-header-inner{min-height:58px;gap:4px;padding:6px 10px}
    .site-nav-link{width:44px;padding:0}
    .site-nav-label{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }
    .site-brand{padding-inline:8px}
    .site-brand-wordmark{font-size:18px}
    .shell{padding:10px}
    .hero{
      grid-template-columns:1fr;grid-template-areas:"title" "copy" "steps";
      gap:6px;margin-bottom:10px;padding:18px 14px 0;border-radius:var(--radius);
    }
    .hero h1{font-size:26px;line-height:1.15}
    .hero p{font-size:13px}
    .steps-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:12px}
    .steps-strip button{min-width:0;min-height:44px;padding-inline:6px;font-size:13px}
    main.card{padding:18px 14px;border-radius:var(--radius)}
    .flow-group{padding:28px 0}
    .flow-title{font-size:20px}
    .addon-grid{grid-template-columns:1fr}
    .addon-feature-card{min-height:96px;grid-template-columns:66px minmax(0,1fr)}
    .addon-feature-image{width:66px}
    .sticky-price{gap:10px;padding:8px 12px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
    .sticky-price-total b{font-size:17px}
    .sticky-price .btn{min-width:0;height:44px;padding-inline:16px;font-size:14px}
    body{padding-bottom:68px}
  }
  @media (max-width:520px){
    .swatch input:focus-visible + .chip .viewer-color-icon{box-shadow:0 0 0 2px rgba(234,82,18,.28)}
    .swatch input:checked + .chip .viewer-color-icon{
      background:var(--state-soft);box-shadow:0 0 0 1.5px var(--state),0 2px 6px rgba(0,0,0,.12);
    }
    .swatch input:checked + .chip .nm{color:var(--state)}
    .photo-toolbar{gap:8px}
  }
  @media (max-width:360px){
    .site-brand-wordmark{font-size:17px}
  }

  /* iOS Safari 聚焦字号<16px 的输入框会自动缩放页面导致横向滚动，触摸设备统一 16px */
  @media (hover:none) and (pointer:coarse){
    input[type=text],input[type=email],input[type=number],select,textarea,
    .text-ctrls input[type="text"],.text-ctrls select{font-size:16px}
  }