*{box-sizing:border-box}
body{font-family:system-ui,Segoe UI,Arial,sans-serif;margin:0;background:#f4f6fa;color:#1c2733;line-height:1.5}
body::before{content:"";position:fixed;inset:0;background:url(/static/watermark.svg) repeat;pointer-events:none;z-index:0}
header,main,footer{position:relative;z-index:1}
header.site{background:#1f3a5f;color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
header.site .brand{font-size:19px;font-weight:700}
header.site nav a{color:#dbe6f5;margin-left:18px;text-decoration:none;font-size:14px}
header.site nav a:hover{text-decoration:underline}
main{max-width:980px;margin:0 auto;padding:24px}
.hero{background:#fff;border:1px solid #d5dce6;border-radius:8px;padding:28px;margin-bottom:20px}
.hero h1{margin:0 0 8px;font-size:28px;color:#1f3a5f}
.hero p.lead{font-size:16px;margin:6px 0 16px}
.card{background:#fff;border:1px solid #d5dce6;border-radius:8px;padding:20px;margin-bottom:18px}
.card h2{margin:0 0 10px;font-size:19px;color:#1f3a5f}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.btn{display:inline-block;background:#1f6feb;color:#fff;border:0;border-radius:6px;padding:11px 20px;font-size:15px;text-decoration:none;cursor:pointer}
.btn:hover{background:#1a5cc4}.btn.alt{background:#fff;color:#1f3a5f;border:1px solid #1f3a5f}
.btn[disabled]{background:#9aa7b8;cursor:not-allowed}
.notice{background:#fff8e1;border:1px solid #e6c200;border-radius:6px;padding:12px 14px;font-size:14px}
.hi{color:#52606f;font-size:14px}
ul.clean{padding-left:20px;margin:6px 0}
form.reg label{display:flex;flex-direction:column;font-size:13px;gap:4px;margin-bottom:12px;color:#33414f}
form.reg input[type=text],form.reg input[type=email],form.reg input[type=tel],form.reg input[type=password]{padding:9px 10px;border:1px solid #b9c4d2;border-radius:5px;font-size:14px}
form.reg .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0 16px}
form.reg label.check{flex-direction:row;align-items:flex-start;gap:8px;font-size:13px}
.msg{min-height:1.4em;font-size:14px;margin-top:8px}.msg.err{color:#b3261e}.msg.ok{color:#1b7a3d}
table.dl{width:100%;border-collapse:collapse;font-size:14px}
table.dl th,table.dl td{padding:8px;border-bottom:1px solid #e1e6ee;text-align:left;vertical-align:top}
code.hash{font-size:11px;word-break:break-all;background:#eef1f6;padding:2px 4px;border-radius:3px}
footer.site{text-align:center;padding:22px;font-size:13px;color:#52606f}