:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#20242b;background:#f6f7f9}body{margin:0}.page{max-width:820px;margin:40px auto;padding:36px 44px;background:#fff;border:1px solid #e7e9ed;border-radius:18px;box-shadow:0 14px 44px #18203312}h1{margin:0 0 8px;font-size:28px}h2{margin-top:28px;font-size:18px}p,li{line-height:1.8;color:#4b5563}.notice{padding:14px 16px;border-radius:10px;background:#fff4e5;color:#8a4b00}footer{margin-top:36px;padding-top:18px;border-top:1px solid #eee;color:#8b93a1;font-size:13px}@media(max-width:700px){.page{margin:0;padding:24px;border:0;border-radius:0}}