:root{
  --navy:#1f3b5c; --blue:#2f6fb0; --blue-d:#245a90; --ink:#1c2430; --mute:#5c6673; --line:#d9e0e8; --bg:#f4f7fa; --card:#ffffff; --ok:#1e8e5a; --warn:#b7791f; --err:#b23a3a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:16px/1.5 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
header{background:var(--navy);color:#fff}
header .wrap{display:flex;align-items:center;gap:14px;padding:14px 20px}
header .logo{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--navy);font-weight:800;font-size:13px;letter-spacing:.5px}
header h1{font-size:18px;margin:0;font-weight:600}
header small{display:block;opacity:.8;font-size:13px;font-weight:400}
main{max-width:860px;margin:0 auto;padding:24px 16px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px;margin-bottom:18px}
h2{font-size:20px;margin:0 0 8px;color:var(--navy)}
h3{font-size:16px;margin:22px 0 8px;color:var(--navy);border-bottom:1px solid var(--line);padding-bottom:6px}
p{margin:8px 0}
.lead{font-size:17px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid .full{grid-column:1/-1}
@media (max-width:640px){.grid{grid-template-columns:1fr}}
label{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
label .opt{font-weight:400;color:var(--mute)}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=date],select,textarea{
  width:100%;padding:10px 12px;border:1px solid #b9c3cf;border-radius:7px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
input[type=file]{font:inherit}
.hint{font-size:13px;color:var(--mute);margin-top:4px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:15px}
.check input{margin-top:4px;width:18px;height:18px}
.options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:640px){.options{grid-template-columns:1fr}}
.opt-card{border:2px solid var(--line);border-radius:10px;padding:14px;cursor:pointer;background:#fff}
.opt-card:has(input:checked){border-color:var(--blue);background:#eef4fb}
.opt-card input{margin-right:8px}
.opt-card .price{font-size:22px;font-weight:700;color:var(--navy);margin:6px 0 2px}
.opt-card .when{font-size:14px;color:var(--mute)}
.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:8px;padding:13px 22px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--blue-d)}
.btn[disabled]{opacity:.55;cursor:default}
.btn.secondary{background:#fff;color:var(--navy);border:1px solid var(--navy)}
.notice{border-left:4px solid var(--blue);background:#eef4fb;padding:10px 14px;border-radius:6px;font-size:15px}
.notice.ok{border-color:var(--ok);background:#ecf7f1}
.notice.warn{border-color:var(--warn);background:#fbf4e6}
.notice.err{border-color:var(--err);background:#fbeeee}
.summary{display:grid;grid-template-columns:180px 1fr;gap:6px 14px;font-size:15px}
.summary dt{color:var(--mute)}
.summary dd{margin:0;font-weight:600}
footer{text-align:center;color:var(--mute);font-size:13px;padding:20px}
footer a{color:var(--mute)}
.hidden{display:none!important}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid #fff;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}