:root{--pine:#13443D;--pine-d:#0d2f2a;--brick:#BC4636;--cream:#F4F1EA;--ink:#1a2b28;--muted:#6b7a76;--line:#e3e3e3;--ok:#1f7a5a;--bg:#f7f8f7}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans TC,Noto Sans,system-ui,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--pine)}.topbar{background:var(--pine);color:#fff;padding:12px 20px;display:flex;justify-content:space-between;align-items:center}.topbar .brand{font-weight:700;letter-spacing:.5px}.topbar .who{font-size:13px;opacity:.85;display:flex;gap:12px;align-items:center}.btn{background:var(--pine);color:#fff;border:0;border-radius:6px;padding:9px 14px;font-size:14px;cursor:pointer}.btn:hover{background:var(--pine-d)}.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}.btn.brick{background:var(--brick)}.btn:disabled{opacity:.5;cursor:not-allowed}.wrap{max-width:1000px;margin:0 auto;padding:22px 20px}.tabs{display:flex;gap:8px;margin-bottom:18px}.tab{padding:9px 16px;border-radius:8px 8px 0 0;border:1px solid var(--line);border-bottom:0;background:#fff;cursor:pointer;font-size:14px;color:var(--muted)}.tab.active{color:var(--pine);font-weight:700;border-top:3px solid var(--brick)}.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 1px 2px #00000008}h2{color:var(--pine);font-size:17px;margin:0 0 14px;border-bottom:2px solid var(--brick);padding-bottom:6px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}.field{display:flex;flex-direction:column;gap:4px}.field.full{grid-column:1 / -1}label{font-size:12.5px;color:var(--muted)}label .req{color:var(--brick)}input,select{padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:14px;background:#fff;color:var(--ink)}input:focus,select:focus{outline:2px solid var(--pine);outline-offset:-1px}.checks{display:flex;gap:16px;flex-wrap:wrap;grid-column:1/-1}.check{display:flex;gap:6px;align-items:center;font-size:13.5px;color:var(--ink)}.actions{margin-top:16px;display:flex;gap:10px;align-items:center}.msg{font-size:13.5px}.msg.ok{color:var(--ok)}.msg.err{color:var(--brick)}.result{margin-top:16px;background:var(--cream);border-radius:8px;padding:16px}.result .price{font-size:28px;font-weight:800;color:var(--pine)}.result .sub{color:var(--muted);font-size:13px}.break{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}.break td{padding:5px 8px;border-bottom:1px solid #e7e3d8}.break td.r{text-align:right}.login{max-width:360px;margin:12vh auto;padding:0 20px}.login .card{padding:28px}.hint{font-size:12.5px;color:var(--muted);margin-top:8px}.badge{background:var(--cream);color:var(--pine);border-radius:20px;padding:2px 10px;font-size:12px}@media (max-width:640px){.grid{grid-template-columns:1fr}}