:root{
  --brand:#1a56db;
  --brand-d:#13399a;
  --ink:#0f172a;
  --ink2:#475569;
  --ink3:#94a3b8;
  --line:#e2e8f0;
  --bg:#f4f6fb;
  --ok:#059669;
  --err:#dc2626;
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  font-size:15px;min-height:100vh;
}
.ic{width:16px;height:16px;fill:currentColor;flex:none}
a{color:var(--brand);text-decoration:none}

/* ---------- 表单页 ---------- */
.page-form .form-shell{max-width:640px;margin:0 auto;padding:0 14px 40px}
.form-header{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);
  color:#fff;padding:22px 20px;border-radius:0 0 20px 20px;margin:0 -14px 16px;
}
.fh-left{display:flex;align-items:center;gap:12px;min-width:0}
.fh-logo{
  width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex:none;
  border:1px solid rgba(255,255,255,.25);
}
.fh-txt{min-width:0}
.fh-txt h1{font-size:17px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fh-txt p{font-size:13px;opacity:.85;margin-top:1px}
.fh-badge{
  flex:none;font-size:12px;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);
}
.form-tip{
  display:flex;gap:9px;align-items:flex-start;
  background:#fff;border:1px solid #dbe4f5;border-left:3px solid var(--brand);
  padding:12px 14px;border-radius:10px;font-size:13px;color:var(--ink2);margin-bottom:14px;
}
.form-tip .ic{color:var(--brand);margin-top:2px}

.card{background:#fff;border-radius:var(--r);padding:6px 16px 16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.card-t{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;padding:14px 0 12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.dot{width:4px;height:15px;border-radius:2px;background:var(--brand);display:block}

.field{margin-bottom:15px}
.field:last-child{margin-bottom:2px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:7px}
.field label b{color:var(--err);font-weight:600}
.field input[type=text],.field input[type=tel],.field input[type=date],.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fcfdff;
  transition:border-color .15s,box-shadow .15s;appearance:none;-webkit-appearance:none;
}
.field textarea{resize:vertical;min-height:56px;line-height:1.5}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;background-size:20px;padding-right:36px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,86,219,.1);background:#fff;
}
.field.has-err input,.field.has-err select,.field.has-err textarea{border-color:var(--err);background:#fef2f2}
.err{display:block;font-size:12.5px;color:var(--err);margin-top:5px}
.err:empty{display:none}
.hint{font-size:12.5px;color:var(--ink3);margin-top:6px}

.msg-global{
  background:#fffbeb;border:1px solid #fde68a;color:#92400e;
  padding:12px 14px;border-radius:10px;font-size:13.5px;margin-bottom:14px;line-height:1.7;
}
.msg-global.ok{background:#ecfdf5;border-color:#a7f3d0;color:#047857}
.msg-global.bad{background:#fef2f2;border-color:#fecaca;color:#b91c1c}

.slots{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:8px}
.slot{position:relative;margin:0!important}
.slot input{position:absolute;opacity:0;width:0;height:0}
.slot span{display:block;text-align:center;padding:10px 8px;border:1px solid var(--line);border-radius:10px;font-size:13.5px;background:#fcfdff;cursor:pointer;transition:all .15s}
.slot input:checked+span{border-color:var(--brand);background:var(--brand);color:#fff;font-weight:500}
.slot input:focus-visible+span{box-shadow:0 0 0 3px rgba(26,86,219,.18)}
.has-err .slots span{border-color:#fca5a5}

.stepper{display:flex;align-items:center;gap:10px}
.st-btn{width:42px;height:42px;flex:none;border:1px solid var(--line);background:#fcfdff;border-radius:10px;font-size:21px;color:var(--brand);cursor:pointer;line-height:1;transition:all .15s;display:flex;align-items:center;justify-content:center}
.st-btn:active{background:var(--brand);color:#fff;border-color:var(--brand)}
.stepper input{flex:1;width:100%;text-align:center;padding:10px;font-size:16px;font-weight:600;border:1px solid var(--line);border-radius:10px;font-family:inherit;-moz-appearance:textfield;background:#fcfdff}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

.agree{display:flex;gap:9px;align-items:flex-start;padding:2px 2px 6px;cursor:pointer}
.agree input{width:19px;height:19px;flex:none;margin-top:2px;accent-color:var(--brand);cursor:pointer}
.agree span{font-size:13.5px;color:var(--ink2)}

.submit{
  width:100%;padding:15px;border:none;border-radius:12px;background:var(--brand);color:#fff;
  font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;margin-top:4px;
  box-shadow:0 4px 14px rgba(26,86,219,.28);transition:all .15s;
}
.submit:active{transform:translateY(1px)}
.submit[disabled]{opacity:.6;cursor:not-allowed}
.foot-tip{text-align:center;font-size:12.5px;color:var(--ink3);margin-top:10px}
.form-foot{text-align:center;font-size:12px;color:var(--ink3);margin-top:22px}
.form-foot p:empty{display:none}
/* ICP 备案号 —— 微信等平台会检查页面是否展示备案信息 */
.icp{margin-top:8px;font-size:12px;color:var(--ink3);text-align:center}
.icp a{color:var(--ink3);text-decoration:none}
.icp a:active{color:#1a56db}

/* ---------- 成功页 ---------- */
.page-ok{background:#f4f6fb;padding:30px 16px;min-height:100vh}
.ok-shell{max-width:420px;margin:0 auto;background:#fff;border-radius:18px;padding:30px 24px 24px;text-align:center;box-shadow:0 4px 22px rgba(15,23,42,.09)}
.ok-ic{width:58px;height:58px;border-radius:50%;background:#d1fae5;color:var(--ok);display:flex;align-items:center;justify-content:center;margin:0 auto 13px}
.ok-ic svg{width:31px;height:31px;fill:currentColor}
.ok-shell h2{font-size:20px;font-weight:600;margin-bottom:6px}
.ok-sub{font-size:13.5px;color:var(--ink3);margin-bottom:16px}
.ok-sub b{color:var(--brand);font-family:Menlo,Consolas,monospace}
.ticket{background:#f8fafc;border:1px dashed var(--line);border-radius:12px;padding:14px;text-align:left;font-size:13.5px;margin-bottom:16px}
.tk-row{display:flex;gap:10px;padding:5px 0;border-bottom:1px solid #eef2f7}
.tk-row:last-child{border:none}
.tk-k{color:var(--ink3);flex:none;width:74px}
.tk-v{color:var(--ink);font-weight:500;word-break:break-all}
.ok-btns{display:flex;gap:10px}
.btn-o,.btn-p{flex:1;padding:12px;border-radius:10px;font-size:14.5px;font-weight:500;font-family:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);display:block;text-align:center}
.btn-p{background:var(--brand);color:#fff;border-color:var(--brand)}
.ok-tip{font-size:12.5px;color:var(--ink3);margin-top:14px;line-height:1.8}

/* ---------- 后台 ---------- */
.page-admin{background:#f1f5f9}
.adm-bar{background:#0f172a;color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:20}
.adm-bar h2{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px}
.adm-bar .ic{fill:#93c5fd;width:18px;height:18px}
.ab-r{display:flex;align-items:center;gap:12px}
.ab-tag{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.13)}
.ab-logout{font-size:13px;color:#cbd5e1}
.adm-wrap{max-width:1180px;margin:0 auto;padding:16px 14px 60px}

.login{max-width:380px;margin:9vh auto 0;background:#fff;border-radius:16px;padding:28px 24px;box-shadow:0 4px 20px rgba(15,23,42,.08)}
.login .lg-ic{width:50px;height:50px;border-radius:13px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.login .lg-ic svg{width:26px;height:26px;fill:currentColor}
.login h3{text-align:center;font-size:19px;margin-bottom:6px}
.login .lg-sub{text-align:center;font-size:13px;color:var(--ink3);margin-bottom:20px}
.login .field input{background:#fff}
.login button{width:100%;padding:13px;border:none;border-radius:11px;background:var(--brand);color:#fff;font-size:15.5px;font-weight:600;font-family:inherit;cursor:pointer;margin-top:6px}
.login .lg-err{color:var(--err);font-size:13px;text-align:center;margin-top:12px;min-height:18px}
.login .lg-hint{text-align:center;font-size:12px;color:var(--ink3);margin-top:12px;line-height:1.8}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:10px;margin-bottom:14px}
.stat{background:#fff;border-radius:12px;padding:14px 16px;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.stat .sv{font-size:24px;font-weight:700;line-height:1.2}
.stat .sk{font-size:12.5px;color:var(--ink3);margin-top:3px}

.tools{background:#fff;border-radius:12px;padding:12px;margin-bottom:14px;display:flex;flex-wrap:wrap;gap:9px;align-items:center;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.tools input[type=date],.tools input[type=search],.tools select{padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fcfdff;color:var(--ink)}
.tools input[type=search]{flex:1;min-width:150px}
.tbtn{padding:9px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:13.5px;font-family:inherit;cursor:pointer;white-space:nowrap;transition:all .15s;display:inline-block}
.tbtn:hover{background:#f8fafc;border-color:#cbd5e1}
.tbtn.pri{background:var(--brand);color:#fff;border-color:var(--brand)}
.tools .sp{flex:1}

.list{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.lrow{border-bottom:1px solid #eef2f7;padding:14px 16px}
.lrow:last-child{border:none}
.lr-name{font-size:15.5px;font-weight:600;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.lr-time{font-size:12.5px;color:var(--ink3);margin-top:3px}
.tag{font-size:11.5px;padding:2.5px 8px;border-radius:999px;font-weight:500;white-space:nowrap}
.tag.todo{background:#fef3c7;color:#b45309}
.tag.done{background:#d1fae5;color:#047857}
.tag.today{background:#dbeafe;color:#1d4ed8}
.lr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:7px 16px;margin-top:10px}
.lg{display:flex;gap:7px;font-size:13.5px;min-width:0}
.lg .k{color:var(--ink3);flex:none}
.lg .v{color:var(--ink);word-break:break-all;font-weight:500}
.lr-acts{display:flex;gap:7px;margin-top:11px;flex-wrap:wrap;align-items:center}
.mini{padding:6px 11px;font-size:12.5px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink2);cursor:pointer;font-family:inherit}
.mini:hover{background:#f8fafc}
.mini.del{color:var(--err);border-color:#fecaca}
.empty{text-align:center;padding:56px 20px;color:var(--ink3)}
.empty .ei{font-size:40px;margin-bottom:10px;opacity:.5}
.empty p{font-size:14px}

.pager{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;font-size:13.5px}
.pg{padding:7px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.pg:hover{background:#f8fafc}
.pg-info{color:var(--ink3)}
.adm-foot{text-align:center;margin-top:26px;font-size:13px;color:var(--ink3);line-height:2}
.adm-foot a{color:var(--ink2)}

.mask{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;padding:20px;z-index:99}
.mask.on{display:flex}
.sheet{background:#fff;border-radius:18px;padding:26px 22px 22px;max-width:420px;width:100%;max-height:88vh;overflow:auto;animation:pop .22s ease-out}
@keyframes pop{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:none}}
.sheet-t{font-size:19px;font-weight:600;margin-bottom:16px;text-align:center}

/* ---------- 响应式 ---------- */
@media (max-width:640px){
  body{font-size:14.5px}
  .form-header{margin:0 -14px 14px;padding:18px 16px}
  .fh-txt h1{font-size:16px}
  .card{padding:4px 14px 14px;border-radius:12px}
  .field input,.field select,.field textarea{padding:12px;font-size:16px}
  .stepper input{font-size:16px}
  .slots{grid-template-columns:1fr}
  .adm-wrap{padding:12px 10px 50px}
  .tools{gap:8px}
  .tools input[type=date],.tools input[type=search],.tools select{flex:1 1 100%;min-width:0}
  .tools .tbtn{flex:1 1 calc(50% - 8px);text-align:center}
  .tools .sp{flex-basis:100%;height:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .lr-grid{grid-template-columns:1fr}
  .lr-acts .mini{flex:1;text-align:center}
}
@media (min-width:900px){
  .form-shell{padding-top:24px}
  .slots{grid-template-columns:repeat(3,1fr)}
}

@media print{
  .adm-bar,.tools,.lr-acts,.adm-foot,.pager{display:none!important}
  body{background:#fff}
  .list{box-shadow:none}
  .lrow{page-break-inside:avoid}
}