*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.6;color:#222;background:#fff}
a{color:#0757a6;text-decoration:none}
a:hover{text-decoration:underline}
header{border-bottom:1px solid #ddd;background:#fff}
.container{max-width:820px;margin:auto;padding:0 16px}
.nav{display:flex;flex-wrap:wrap;gap:14px;padding:14px 0;align-items:center}
.logo{font-size:22px;font-weight:700;color:#111;margin-right:auto}
main{padding:28px 0}
h1{font-size:30px;line-height:1.25;margin:0 0 12px}
h2{font-size:22px;margin-top:28px}
h3{font-size:18px}
.meta{color:#666;font-size:14px}
.card{border:1px solid #ddd;padding:16px;margin:14px 0;border-radius:6px}
.btn{display:inline-block;padding:9px 13px;border:1px solid #0757a6;border-radius:5px}
footer{border-top:1px solid #ddd;margin-top:35px;padding:22px 0;color:#666;font-size:14px}
ul{padding-left:22px}
.notice{background:#f5f7fa;border-left:4px solid #777;padding:12px 14px}
form{max-width:600px}
label{display:block;font-weight:700;margin-top:14px}
input,textarea{width:100%;padding:10px;border:1px solid #bbb;border-radius:4px;font:inherit}
textarea{min-height:130px}
button{margin-top:14px;padding:10px 15px;border:1px solid #0757a6;background:#0757a6;color:#fff;border-radius:5px}
@media(max-width:520px){h1{font-size:26px}.nav{gap:10px}.nav a{font-size:14px}}