:root{
  --primary:#0088cc;
  --primary-hover:#005580;
  --light:#e6f7ff;
  --text:#333333;
  --bg:#ffffff;
  --shadow:0 8px 24px rgba(0,0,0,.08);
  --radius:16px;
  --maxw:1170px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Open Sans',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
.container{max-width:var(--maxw);margin:0 auto;padding:24px}
header{border-bottom:1px solid #eee;background:#fff;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:20px;color:var(--primary)}
.brand-logo{height:32px;width:auto;display:block}
.hero{padding:32px 0}
.hero.small{padding:24px 0}
.hero h1{font-size:34px;line-height:1.2;margin:0 0 8px}
.hero p{margin:0 0 20px;font-size:18px;color:#555}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;font-weight:700;border:2px solid var(--primary);transition:.2s}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn.ghost{background:#fff;color:var(--primary)}
.btn.ghost:hover{background:var(--light)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:1024px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid{grid-template-columns:1fr}}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid #eef4f8}
.card h2{margin:0 0 8px;font-size:20px;color:var(--primary)}
.card p{margin:0 0 12px;color:#555}
.list{display:grid;gap:10px}
.link{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;background:var(--light);border:1px solid #cfefff;font-weight:600}
.link:hover{background:#d9f1ff;border-color:#bfe7ff}
.link small{font-weight:400;color:#555}
.icon{width:22px;height:22px;display:inline-block}
.section{margin:28px 0}
.section h3{margin:0 0 12px;font-size:18px;color:#111}
.notice{background:#f8fbff;border:1px dashed #cfe7ff;border-radius:12px;padding:12px;color:#335}
.mt-6{margin-top:6px}
.mt-10{margin-top:10px}
footer{margin-top:40px;border-top:1px solid #eee;background:#fafafa}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:22px 24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:#555}
.footer-links a:hover{color:#111}
:focus-visible{outline:3px solid #a6ddff;outline-offset:2px;border-radius:8px}