:root{
  --bg:#faf7f2;
  --card:#ffffff;
  --ink:#2b2622;
  --ink-2:#7a6f63;
  --line:#e9e2d8;
  --main:#e8590c;
  --main-deep:#c2410c;
  --ok:#2f9e44;
  --warn:#c92a2a;
  --radius:16px;
  --shadow:0 6px 24px rgba(43,38,34,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;
}
main{max-width:480px;margin:0 auto;padding:0 20px 48px}
img{max-width:100%;display:block}

/* 顶栏 */
.top{max-width:480px;margin:0 auto;padding:18px 20px 6px;display:flex;justify-content:space-between;align-items:center}
.brand{font-weight:700;font-size:20px}
.brand-sub{font-size:12px;color:var(--ink-2);margin-left:6px;font-weight:400}
.top-link{color:var(--ink-2);font-size:14px;text-decoration:none}
.top-link:active{color:var(--main)}

/* 首页 */
.hero{padding:36px 0 8px;text-align:center}
.hero h1{font-size:34px;line-height:1.35;letter-spacing:.5px}
.hero-sub{color:var(--ink-2);margin:16px 0 28px;font-size:16px}
.hero-note{color:var(--ink-2);font-size:12px;margin-top:14px}
.block{padding:26px 0;border-top:1px solid var(--line)}
.h2{font-size:20px;margin-bottom:16px}
.steps3{display:flex;gap:10px}
.s3{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 6px;text-align:center;font-size:13px;color:var(--ink-2)}
.s3-n{display:inline-block;width:22px;height:22px;line-height:22px;border-radius:50%;background:var(--main);color:#fff;font-size:12px;margin-bottom:6px}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:14px}
.prices{display:flex;gap:10px}
.price-card{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 6px;text-align:center;position:relative}
.price-best{border-color:var(--main);box-shadow:var(--shadow)}
.p-tag{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--main);color:#fff;font-size:11px;padding:1px 10px;border-radius:999px}
.p-qty{font-size:13px;color:var(--ink-2)}
.p-val{font-size:22px;font-weight:700;margin-top:4px}
.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;font-size:14px}
.faq summary{cursor:pointer;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--ink-2)}
.faq[open] summary::after{content:"－"}
.faq p{color:var(--ink-2);margin-top:8px}

/* 进度点 */
.prog{display:flex;gap:8px;justify-content:center;margin:10px 0 22px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line)}
.dot.on{background:var(--main)}

/* 通用 */
.tip{color:var(--ink-2);font-size:14px;margin-bottom:16px}
.err{color:var(--warn);font-size:14px;margin:12px 0}
.btn-row{display:flex;gap:12px;margin-top:22px}
.btn-row .btn-main{flex:2}
.btn-row .btn-ghost{flex:1}
.btn{
  border:none;border-radius:14px;font-size:17px;font-weight:600;cursor:pointer;
  min-height:52px;padding:12px 20px;font-family:inherit;transition:transform .06s ease,opacity .2s;
}
.btn:active{transform:scale(.98)}
.btn-main{background:var(--main);color:#fff;box-shadow:0 6px 16px rgba(232,89,12,.25)}
.btn-main:disabled{background:#e5ddd2;color:#fff;box-shadow:none;cursor:not-allowed}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:disabled{color:#bbb;cursor:not-allowed}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;font-size:16px;font-family:inherit;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
}
.field input:focus,.field textarea:focus{outline:2px solid rgba(232,89,12,.35);border-color:var(--main)}
.privacy-line{color:var(--ink-2);font-size:12px;text-align:center;margin-top:18px}

/* 上传 */
.upload-box{
  background:var(--card);border:1.5px dashed #d8cfc2;border-radius:20px;
  min-height:260px;display:flex;align-items:center;justify-content:center;cursor:pointer;
  overflow:hidden;transition:border-color .2s;
}
.upload-box.has{border-style:solid;border-color:var(--line)}
.upload-box:active{border-color:var(--main)}
#upload-empty{text-align:center;color:var(--ink-2)}
.upload-ico{font-size:40px;margin-bottom:8px}
#photo-preview{width:100%;max-height:340px;object-fit:contain}

/* 设计卡片 */
.design-grid{display:flex;flex-direction:column;gap:14px}
.design-card{
  background:var(--card);border:2px solid var(--line);border-radius:20px;padding:12px;
  cursor:pointer;position:relative;text-align:center;transition:border-color .15s;
}
.design-card.on{border-color:var(--main);box-shadow:var(--shadow)}
.design-card img,.design-card canvas{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;background:#f3ede4}
.dc-name{margin-top:10px;font-size:14px;font-weight:600}
.dc-badge{
  position:absolute;top:20px;left:20px;background:rgba(43,38,34,.72);color:#fff;
  font-size:11px;padding:2px 10px;border-radius:999px;
}

/* 写字预览 */
.magnet-stage{
  background:linear-gradient(160deg,#f4efe7,#e9e2d5);
  border-radius:20px;padding:26px 40px;display:flex;justify-content:center;
}
.magnet-stage canvas{width:100%;max-width:320px;filter:drop-shadow(0 10px 18px rgba(43,38,34,.18))}
#text-input{margin-top:16px}

/* 规格 */
.spec-cards{display:flex;gap:10px;margin-bottom:20px}
.spec-card{
  flex:1;background:var(--card);border:2px solid var(--line);border-radius:var(--radius);
  padding:14px 4px;text-align:center;cursor:pointer;position:relative;font-family:inherit;
}
.spec-card.spec-on{border-color:var(--main);box-shadow:var(--shadow)}
.sp-tag{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--main);color:#fff;font-size:11px;padding:1px 10px;border-radius:999px}
.sp-qty{display:block;font-size:13px;color:var(--ink-2)}
.sp-val{display:block;font-size:19px;font-weight:700;margin-top:4px;color:var(--ink)}

/* 不支持无理由退货 */
.noreturn-box{
  background:#fdf0ee;border:1.5px solid #f1b8b0;border-radius:14px;padding:14px 16px;margin:20px 0 6px;
  font-size:14px;color:#7a2e24;
}
.noreturn-box strong{color:var(--warn)}
.check-line{display:flex;gap:10px;align-items:flex-start;margin-top:12px;font-size:14px;cursor:pointer}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--main);flex:none}

/* 完成/付款 */
.done-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px 20px;text-align:center;box-shadow:var(--shadow)}
.done-label{font-size:13px;color:var(--ink-2)}
.done-no{font-size:26px;font-weight:700;letter-spacing:1px;margin:2px 0 6px}
.done-amount{font-size:15px;color:var(--main);font-weight:600;margin-bottom:18px}
.qr-box{display:flex;flex-direction:column;align-items:center;margin-bottom:18px}
.qr-box img{width:200px;height:200px;border:1px solid var(--line);border-radius:14px;background:#fff;object-fit:contain;padding:8px}
.qr-tip{font-size:13px;color:var(--ink-2);margin-top:10px}
.done-note{font-size:13px;color:var(--ink-2);margin-top:14px}
.done-link{display:inline-block;margin-top:16px;color:var(--main);font-size:14px;text-decoration:none}

/* 弹层 */
.modal-mask{
  position:fixed;inset:0;background:rgba(43,38,34,.45);z-index:50;
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.modal{
  background:var(--card);border-radius:20px;padding:26px 22px;max-width:360px;width:100%;
  font-size:15px;box-shadow:0 20px 60px rgba(0,0,0,.2);
}
.modal h3{font-size:18px;margin-bottom:12px}
.modal .btn-row{margin-top:20px}
.modal-center{text-align:center;color:var(--ink-2)}
.spinner{
  width:34px;height:34px;border-radius:50%;margin:0 auto 14px;
  border:3px solid var(--line);border-top-color:var(--main);animation:spin 1s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* 页脚 */
.foot{max-width:480px;margin:0 auto;padding:24px 20px 40px;border-top:1px solid var(--line);text-align:center;color:var(--ink-2);font-size:12px}
.foot a{color:var(--ink-2)}

/* 查单/管理页共用小件 */
.status-bar{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px;font-size:15px}
.status-bar b{color:var(--main)}
.track-line{font-size:14px;color:var(--ink-2);word-break:break-all}
.adm-row{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px;font-size:14px}
.adm-row .no{font-weight:700}
.adm-row .meta{color:var(--ink-2);font-size:13px;margin:4px 0 8px;white-space:pre-line}
.adm-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.adm-actions input{flex:1;min-width:120px;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;font-family:inherit}
.adm-actions .btn{min-height:40px;font-size:14px;padding:6px 14px;border-radius:10px}
.muted{color:var(--ink-2)}
.pill{display:inline-block;font-size:12px;padding:1px 10px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);margin-left:6px}
.pill.ok{border-color:#b2e5bb;color:var(--ok)}
.pill.warn{border-color:#f1b8b0;color:var(--warn)}

@media (min-width:640px){
  main{padding-top:8px}
  .hero{padding-top:56px}
  .hero h1{font-size:40px}
}