/* ==========================================================================
   蟹当家 · 客户 H5
   移动优先 / 无依赖 / 大字号易点按
   ========================================================================== */
:root{
  --brand:#c8503c;
  --brand-d:#a83f2d;
  --brand-l:#fdf3f0;
  --ink:#1a2330;
  --ink-2:#5a6779;
  --ink-3:#8b97a8;
  --bg:#f5f6f8;
  --card:#fff;
  --line:#e8ecf1;
  --ok:#128c53; --ok-bg:#e9f8f0;
  --warn:#b3730a; --warn-bg:#fdf4e4;
  --info:#1f6feb; --info-bg:#eaf2fe;
  --danger:#c92a2a; --danger-bg:#fdeceb;
  --r:13px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg)}
body{
  font:15px/1.6 var(--font);color:var(--ink);
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(30px + env(safe-area-inset-bottom));
}
a{color:var(--brand);text-decoration:none}

/* 顶部 */
.hd{
  background:linear-gradient(150deg,#c8503c,#a83f2d 70%,#8f3526);
  color:#fff;padding:calc(34px + env(safe-area-inset-top)) 22px 40px;
  position:relative;overflow:hidden;
}
.hd::after{
  content:"";position:absolute;right:-46px;top:-46px;width:170px;height:170px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.hd::before{
  content:"";position:absolute;right:34px;bottom:-64px;width:104px;height:104px;
  border-radius:50%;background:rgba(255,255,255,.06);
}
.hd .t{font-size:23px;font-weight:650;letter-spacing:.5px;position:relative}
.hd .s{font-size:13px;opacity:.86;margin-top:5px;position:relative}

.wrap{padding:0 14px;margin-top:-24px;position:relative;z-index:2}
.card{background:var(--card);border-radius:var(--r);box-shadow:0 2px 14px rgba(20,30,45,.07);
  margin-bottom:14px;overflow:hidden}
.card .bh{padding:15px 18px 0;font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:8px}
.card .bh .n{
  width:19px;height:19px;border-radius:50%;background:var(--brand-l);color:var(--brand-d);
  font-size:11.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.card .bd{padding:15px 18px 18px}

/* 表单 */
label.f{display:block;font-size:13px;color:var(--ink-2);margin:0 0 6px;font-weight:500}
label.f .rq{color:var(--brand)}
input[type=text],input[type=tel],input[type=password],textarea,select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font:16px/1.4 var(--font);color:var(--ink);background:#fff;outline:none;transition:.15s;
  -webkit-appearance:none;appearance:none;
}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,80,60,.1)}
input::placeholder{color:#b3bccb}
input:disabled,select:disabled{background:#f7f8fa;color:var(--ink-3)}
select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b97a8' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
textarea{resize:none;min-height:76px}
.fi{margin-bottom:14px}
.fi:last-child{margin-bottom:0}

/* 卡号突出显示 */
.code-input{font-family:"SFMono-Regular",Consolas,monospace;font-size:19px;letter-spacing:2.5px;text-align:center}
.code-input::placeholder{letter-spacing:0;font-size:15px;font-family:var(--font)}

/* 按钮 */
.btn{
  display:flex;align-items:center;justify-content:center;gap:7px;width:100%;
  padding:14px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--ink);
  font:600 16px/1.3 var(--font);cursor:pointer;transition:.15s;
}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff;
  box-shadow:0 4px 14px rgba(200,80,60,.32)}
.btn.pri:active{background:var(--brand-d);transform:translateY(1px)}
.btn:disabled{opacity:.55;transform:none;box-shadow:none}
.btn.ghost{background:transparent;border-color:transparent;color:var(--ink-2);font-weight:500;font-size:14px;padding:11px}
.btn.sm{padding:10px;font-size:14px;border-radius:9px}

/* 提示 */
.tip{background:var(--brand-l);border-radius:10px;padding:12px 14px;font-size:12.8px;
  color:#8a4a3a;line-height:1.85;white-space:pre-line;margin-top:14px}
.note{font-size:12.5px;color:var(--ink-3);margin-top:9px;line-height:1.7}

/* 状态条 */
.bar{display:flex;align-items:flex-start;gap:0;margin:6px 0 2px}
.bar .st{flex:1;text-align:center;position:relative;font-size:11.5px;color:var(--ink-3)}
.bar .st .d{width:22px;height:22px;border-radius:50%;background:#e9edf2;color:#fff;
  display:flex;align-items:center;justify-content:center;margin:0 auto 6px;font-size:12px;
  position:relative;z-index:2;font-weight:700}
.bar .st.on .d{background:var(--brand)}
.bar .st.done .d{background:var(--ok)}
.bar .st.on,.bar .st.done{color:var(--ink);font-weight:600}
.bar .st::after{content:"";position:absolute;top:11px;left:50%;width:100%;height:2px;
  background:#e9edf2;z-index:1}
.bar .st:last-child::after{display:none}
.bar .st.done::after{background:var(--ok)}

/* 订单卡 */
.order{border:1px solid var(--line);border-radius:12px;padding:14px 15px;margin-bottom:12px;background:#fff}
.order:last-child{margin-bottom:0}
.order .oh{display:flex;align-items:center;gap:9px;margin-bottom:11px}
.order .oh .no{font-family:"SFMono-Regular",Consolas,monospace;font-size:15px;font-weight:600;letter-spacing:1px}
.order .oh .sp{flex:1}
.order .kv{display:flex;font-size:13.5px;padding:5px 0;border-top:1px dashed #eef1f5;gap:12px}
.order .kv:first-of-type{border-top:0}
.order .kv .k{color:var(--ink-3);flex:none;width:66px}
.order .kv .v{flex:1;word-break:break-all}
.order .kv .v.mono{font-family:"SFMono-Regular",Consolas,monospace}

/* 标签 */
.tag{display:inline-block;font-size:11.5px;padding:3px 9px;border-radius:20px;font-weight:600;white-space:nowrap}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.tag.warn{background:var(--warn-bg);color:var(--warn)}
.tag.info{background:var(--info-bg);color:var(--info)}
.tag.muted{background:#f0f2f5;color:#8b97a8}
.tag.danger{background:var(--danger-bg);color:var(--danger)}

/* 结果提示块 */
.res{padding:14px 16px;border-radius:11px;font-size:14px;margin-bottom:14px;line-height:1.7;
  display:flex;gap:10px;align-items:flex-start}
.res .ic{flex:none;font-size:17px;line-height:1.35}
.res .m{flex:1}
.res.ok{background:var(--ok-bg);color:#0b6a3e}
.res.err{background:var(--danger-bg);color:#9c2020}
.res.warn{background:var(--warn-bg);color:#8a5a06}
.res.info{background:var(--info-bg);color:#134a9e}

/* 复制按钮 */
.copy{background:var(--brand-l);border:0;color:var(--brand-d);font-size:12px;
  padding:3px 9px;border-radius:6px;cursor:pointer;font-family:var(--font);font-weight:600;margin-left:6px}

/* 底部 Tab */
.tab{
  position:fixed;left:0;right:0;bottom:0;background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
  display:flex;padding-bottom:env(safe-area-inset-bottom);z-index:50;
}
.tab a{flex:1;text-align:center;padding:9px 0 10px;color:var(--ink-3);font-size:11.5px;text-decoration:none}
.tab a .i{display:block;font-size:20px;line-height:1.35;opacity:.75}
.tab a.on{color:var(--brand)}
.tab a.on .i{opacity:1}

.foot{text-align:center;font-size:11.5px;color:#a9b3c2;padding:22px 20px 10px;line-height:1.9}
.hide{display:none!important}
.mut{color:var(--ink-3)}
.small{font-size:12.5px}
.mono{font-family:"SFMono-Regular",Consolas,monospace}
.mb10{margin-bottom:10px} .mb14{margin-bottom:14px} .mb18{margin-bottom:18px}
.mt10{margin-top:10px} .mt14{margin-top:14px}
.tc{text-align:center}
.center{display:flex;align-items:center;justify-content:center;gap:8px}

/* 加载遮罩 */
#loading{
  position:fixed;inset:0;background:rgba(255,255,255,.82);backdrop-filter:blur(2px);
  z-index:100;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;
}
#loading[hidden]{display:none}
.spin{width:34px;height:34px;border:3px solid #e6eaef;border-top-color:var(--brand);
  border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#loading .txt{font-size:13.5px;color:var(--ink-2)}

/* toast */
#toast{position:fixed;left:50%;top:26%;transform:translateX(-50%);z-index:200;
  background:rgba(26,35,48,.92);color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;
  max-width:84vw;text-align:center;line-height:1.6;pointer-events:none}
#toast[hidden]{display:none}