*{box-sizing:border-box}
[hidden]{display:none!important}
a{color:#3f6f8f}
body{margin:0;font:16px/1.6 Tahoma,Verdana,sans-serif;color:#1f2933;background:#fff}
.brand{font-weight:700;color:#1f2933;text-decoration:none}
.top{background:rgba(63,111,143,0.08);padding:14px 16px}
main,footer{max-width:700px;margin:0 auto;padding:16px}
table{border-collapse:collapse;width:100%;margin:8px 0}th,td{border:1px solid #d9dee4;padding:6px 8px;text-align:left}th{background:#f3f5f7}
dt{font-weight:700;margin-top:8px}dd{margin:0 0 4px 0}
.crumbs{font-size:14px;color:#616e7c}
.crumbs a{color:#3f6f8f}
h1{font-size:28px;line-height:1.25;margin:8px 0 12px}
h2{font-size:20px;margin:28px 0 8px}
.calc{display:grid;gap:12px;padding:16px;border-radius:6px;background:rgba(63,111,143,0.08)}
.calc label{display:grid;gap:4px;font-weight:600;font-size:15px}
.calc .chk{display:flex;gap:8px;align-items:center;font-weight:400}
.calc input,.calc select{font:inherit;padding:8px;border:1px solid #bcc4cc;border-radius:6px;background:#fff}
.res{display:grid;gap:2px;padding:12px;border-radius:6px;background:#eef2f6;border-left:4px solid #3f6f8f}
.res span{font-size:13px;color:#52606d}.res strong{font-size:20px}.res small{color:#52606d}
.note{font-size:14px;color:#52606d}
footer{font-size:13px;color:#616e7c;border-top:1px solid #e4e7eb;margin-top:32px}
footer a{color:#3f6f8f}
.linkish{background:none;border:0;padding:0;font:inherit;color:#3f6f8f;cursor:pointer}
.mark{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px;background:url(/c/css.png) center/cover}
.lab{font-size:14px;color:#52606d;margin:-4px 0 12px}
.more{margin:4px 0 0;padding-left:18px}
footer img{vertical-align:middle}
@media (max-width:480px){h1{font-size:24px}}