:root{
  --ink:#1c2233; --muted:#5d6477; --line:#dde2ee; --bg:#f5f6fa; --card:#fff;
  --pri:#1a2980; --pri-2:#2e44b8; --pri-soft:#e9edfb; --ok:#1c8a5a; --ok-soft:#e5f5ee;
  --warn:#b26a00; --warn-soft:#fff4df; --bad:#b3261e; --bad-soft:#fdecea;
  font-family:"Microsoft JhengHei","PingFang TC","Noto Sans TC",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.65}
a{color:var(--pri-2)}
.beta-bar{background:#fff4df;color:#7a4a00;text-align:center;font-size:13px;padding:6px 16px;border-bottom:1px solid #f1d9a8}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 20px;background:var(--pri);color:#fff}
.brand{color:#fff;text-decoration:none;font-weight:700;font-size:18px;display:flex;align-items:center;gap:10px}
.logo{display:inline-grid;place-items:center;width:32px;height:32px;border:2px solid #fff;border-radius:6px;font-size:17px}
#nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:14px}
#nav a,#nav button{color:#fff;background:none;border:0;cursor:pointer;font:inherit;text-decoration:none;opacity:.9}
#nav a:hover,#nav button:hover{opacity:1;text-decoration:underline}
.role-tag{background:#fff;color:var(--pri);border-radius:99px;padding:1px 10px;font-size:12px;font-weight:700}
.wrap{max-width:980px;margin:0 auto;padding:24px 16px 40px}
.foot{max-width:980px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:12.5px}
h1{font-size:24px;margin:0 0 6px}
h2{font-size:18px;margin:0 0 12px;color:var(--pri)}
h3{font-size:15.5px;margin:18px 0 8px}
.sub{color:var(--muted);margin:0 0 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px 16px}
label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid #c7cddd;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--pri-soft);border-color:var(--pri-2)}
.field{margin-bottom:10px}
.row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}
.row>.grow{flex:1;min-width:180px}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--pri);background:var(--pri);color:#fff;border-radius:8px;padding:9px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--pri-2)}
.btn.ghost{background:#fff;color:var(--pri)}
.btn.ghost:hover{background:var(--pri-soft)}
.btn.ok{background:var(--ok);border-color:var(--ok)}
.btn.bad{background:#fff;color:var(--bad);border-color:var(--bad)}
.btn.sm{padding:5px 12px;font-size:13.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.check{display:flex;gap:10px;align-items:flex-start;margin:10px 0;color:var(--ink);font-size:14.5px}
.check input{width:18px;height:18px;margin-top:3px;flex:none}
.note{border-radius:10px;padding:12px 14px;font-size:14px;margin:12px 0}
.note.info{background:var(--pri-soft)}
.note.warn{background:var(--warn-soft);color:#6b4200}
.note.bad{background:var(--bad-soft);color:var(--bad)}
.note.ok{background:var(--ok-soft);color:#11603d}
.pill{display:inline-block;border-radius:99px;padding:2px 10px;font-size:12.5px;font-weight:700;background:var(--pri-soft);color:var(--pri)}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
table.list{width:100%;border-collapse:collapse;font-size:14px}
table.list th,table.list td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.list th{color:var(--muted);font-weight:600;font-size:13px}
table.list tr.click{cursor:pointer}
table.list tr.click:hover td{background:#fafbff}
.table-wrap{overflow-x:auto}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.plan{border:2px solid var(--line);border-radius:12px;padding:18px;background:#fff;cursor:pointer}
.plan:hover{border-color:var(--pri-2)}
.plan .price{font-size:26px;font-weight:800;color:var(--pri);margin:6px 0}
.plan ul{padding-left:18px;margin:8px 0 0;font-size:14px;color:var(--muted)}

/* 步驟條 */
.stepper{display:flex;gap:4px;overflow-x:auto;padding-bottom:4px;margin-bottom:16px}
.step{flex:1;min-width:84px;text-align:center;font-size:12px;color:var(--muted)}
.step .dot{height:6px;border-radius:3px;background:var(--line);margin-bottom:6px}
.step.done .dot{background:var(--ok)}
.step.now .dot{background:var(--pri)}
.step.now{color:var(--pri);font-weight:700}

.countdown{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.countdown .big{font-size:34px;font-weight:800;color:var(--pri);line-height:1}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.files{list-style:none;padding:0;margin:8px 0}
.files li{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px}
.timeline{list-style:none;padding:0;margin:0;font-size:13.5px}
.timeline li{padding:6px 0 6px 16px;border-left:2px solid var(--line);position:relative}
.timeline li::before{content:"";position:absolute;left:-5px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--pri-2)}
.timeline time{color:var(--muted);margin-right:8px}
.ai-block{border-left:4px solid var(--pri-2);padding:4px 0 4px 12px;margin:10px 0}
.spinner{width:22px;height:22px;border:3px solid var(--pri-soft);border-top-color:var(--pri);border-radius:50%;animation:spin 1s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#1c2233;color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;z-index:50;max-width:90vw}
.toast.bad{background:var(--bad)}
.auth{max-width:420px;margin:30px auto}
.muted{color:var(--muted)}
.mt0{margin-top:0}

/* ---------- 郵局存證信函格式 ---------- */
.letter-pages{overflow-x:auto}
.lpage{width:180mm;margin:0 auto 16px;background:#fff;border:1px solid #bbb;padding:8mm;font-family:"DFKai-SB","BiauKai","標楷體","Kaiti TC",serif;color:#000}
.lhead{display:grid;grid-template-columns:18mm 1fr;border:1.5px solid #000;font-size:12.5px}
.lhead .t{grid-row:span 3;writing-mode:vertical-rl;text-align:center;border-right:1.5px solid #000;font-size:15px;letter-spacing:6px;display:flex;align-items:center;justify-content:center}
.lhead .r{display:grid;grid-template-columns:22mm 1fr;border-bottom:1px solid #000}
.lhead .r:last-child{border-bottom:0}
.lhead .r>div{padding:3px 6px}
.lhead .r>div:first-child{border-right:1px solid #000;text-align:center}
.lgrid{border-collapse:collapse;margin-top:4mm;width:100%;table-layout:fixed}
.lgrid td{border:1px solid #000;height:8.6mm;text-align:center;font-size:17px;padding:0}
.lgrid th{font-weight:normal;font-size:10px;height:5mm;border:1px solid #000}
.lgrid td.rn,.lgrid th.rn{width:8mm;font-size:11px}
.lfoot{display:flex;justify-content:space-between;font-size:11px;margin-top:3mm}
/* 書狀 */
.pleading{width:180mm;margin:0 auto 16px;background:#fff;border:1px solid #bbb;padding:14mm 16mm;font-family:"DFKai-SB","BiauKai","標楷體","Kaiti TC",serif;font-size:15px;line-height:2;white-space:pre-wrap;color:#000}

@media print{
  body{background:#fff}
  .no-print,.beta-bar,.topbar,.foot,.stepper,.card:not(.printable){display:none!important}
  .wrap{padding:0;max-width:none}
  .card.printable{border:0;padding:0;margin:0}
  .card.printable>*:not(.print-area){display:none!important}
  .lpage,.pleading{border:0;margin:0;page-break-after:always}
}
@media (max-width:600px){
  .wrap{padding:16px 16px 32px}
  .card{padding:16px}
  h1{font-size:21px}
}