:root{--ink:#14202b;--muted:#566472;--brand:#0f3d5e;--accent:#1f8a70;--bg:#f6f8fa;--line:#dde3e9;--card:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand);text-decoration:none;font-size:18px}
.logo img{width:28px;height:28px}
nav a{margin-left:20px;color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--brand)}
.hero{background:linear-gradient(180deg,#eef4f8,#fff);padding:72px 0 56px}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.15;margin:0 0 16px;max-width:780px;color:var(--brand)}
.hero p.lead{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:700px;margin:0 0 28px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;padding:14px 22px;border-radius:8px;border:2px solid var(--accent)}
.btn:hover{background:#18705b;border-color:#18705b}
.btn.ghost{background:transparent;color:var(--brand);border-color:var(--line);margin-left:10px}
.btn.ghost:hover{border-color:var(--brand);background:#fff}
.small{font-size:14px;color:var(--muted)}
section{padding:56px 0}
section.alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:28px;margin:0 0 8px;color:var(--brand)}
.sub{color:var(--muted);margin:0 0 28px;max-width:720px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.num{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px}
ul.fields{columns:2;padding-left:20px;margin:0}
ul.fields li{margin:2px 0}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.panel .ph{background:#eef2f5;padding:10px 14px;font-weight:600;font-size:14px;border-bottom:1px solid var(--line)}
.panel .pb{padding:14px;font-size:13.5px;overflow-x:auto}
.inv{font-family:Georgia,"Times New Roman",serif;color:#333;line-height:1.5}
.inv .hd{font-weight:700;letter-spacing:.5px;margin-bottom:6px}
.inv td:nth-child(3){white-space:normal;min-width:140px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{border:1px solid var(--line);padding:5px 7px;text-align:left;white-space:nowrap}
th{background:#f3f6f8}
td.r,th.r{text-align:right}
pre{margin:0;font:12.5px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;color:#1d3247}
.dl{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.dl a{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:8px;text-decoration:none;font-size:15px}
.dl a:hover{border-color:var(--brand)}
.note{border-left:4px solid var(--accent);background:#fff;padding:16px 18px;border-radius:0 8px 8px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta{background:var(--brand);color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#cfe0ec;max-width:640px;margin:0 auto 24px}
.cta .btn{background:#fff;color:var(--brand);border-color:#fff}
.cta .btn:hover{background:#e8f1f7}
.cta a.mail{color:#fff}
dl.faq dt{font-weight:600;margin-top:16px}
dl.faq dd{margin:4px 0 0;color:var(--muted)}
footer{padding:28px 0;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:820px){
 .grid3,.ba{grid-template-columns:1fr}
 nav{display:none}
 ul.fields{columns:1}
 .btn.ghost{margin:10px 0 0}
 .hero{padding:48px 0 40px}
 section{padding:44px 0}
}