*{box-sizing:border-box} body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,Arial,sans-serif;background:#f7f8fb;color:#172033;line-height:1.8}
header{background:#fff;border-bottom:1px solid #e7e9ef}.wrap{max-width:920px;margin:auto;padding:22px}
nav{display:flex;justify-content:space-between;align-items:center;gap:18px}.brand{font-size:28px;font-weight:800}.links a{margin-right:18px;color:#334155;text-decoration:none}
.hero{padding:72px 22px;text-align:center}.hero h1{font-size:44px;margin:0 0 14px}.hero p{max-width:720px;margin:auto;font-size:19px;color:#526071}
.card{background:#fff;border:1px solid #e7e9ef;border-radius:18px;padding:28px;margin:20px 0;box-shadow:0 4px 18px rgba(0,0,0,.03)}
h1,h2,h3{line-height:1.35}a{color:#3157c8}footer{text-align:center;color:#667085;padding:35px 20px}
.notice{background:#eef4ff;border-radius:12px;padding:16px}ul{padding-right:22px}
@media(max-width:650px){.hero h1{font-size:34px}.links{font-size:14px}.links a{margin-right:8px}}