body{font:16px/1.6 system-ui;background:#f4f6fb;color:#192538;margin:0;padding:24px}main{max-width:760px;margin:32px auto;background:white;border:1px solid #d9e0ed;border-radius:18px;padding:32px}h1{line-height:1.2}a{color:#224bb8}label{display:block;margin:14px 0 4px}input,select,textarea,button{font:inherit;padding:10px;border:1px solid #abb9cf;border-radius:8px;box-sizing:border-box;max-width:100%}input,select{width:100%}button{background:#224bb8;color:white;margin:14px 0;cursor:pointer}pre{white-space:pre-wrap;word-break:break-word;background:#f4f6fb;padding:18px;border-radius:8px}small{color:#59677c}.card{border:1px solid #d9e0ed;border-radius:10px;padding:16px;margin:14px 0}nav{display:flex;gap:20px;flex-wrap:wrap}.notice{background:#fff3d6;padding:12px;border-radius:8px}