html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;position:fixed;top:0;left:0;overscroll-behavior:none}
.err-page{height:100vh;box-sizing:border-box;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden;touch-action:manipulation;background:#f5f5f5;font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
.err-page *{box-sizing:border-box}
.err-card{width:100%;max-width:520px;background:#ffffff;border:1px solid #dddddd;border-radius:4px;box-shadow:0 2px 8px rgba(23,23,23,.08);padding:48px 32px;text-align:center}
.err-icon{width:64px;height:64px;line-height:64px;margin:0 auto 20px;border-radius:50%;background:rgba(230,41,72,.08);color:#e62948;font-size:28px;font-weight:700}
.err-icon--error{background:rgba(201,48,44,.08);color:#c9302c}
.err-code{font-size:56px;font-weight:800;color:#e62948;line-height:1.1;letter-spacing:2px}
.err-title{margin:12px 0 8px;font-size:20px;font-weight:700;color:#171717}
.err-msg{margin:0 0 12px;font-size:15px;line-height:1.8;color:#737373;word-break:break-word}
.err-msg a{color:#e62948;text-decoration:underline}
.err-count{font-weight:700;color:#e62948}
.err-actions{margin-top:24px}
.err-btn{display:inline-block;padding:10px 28px;margin:0 6px 8px;border-radius:4px;background:#e62948;color:#ffffff;text-decoration:none;font-size:14px;font-weight:700;border:1px solid #e62948;transition:background .2s ease}
.err-btn:hover{background:#c9302c}
.err-btn--ghost{background:#ffffff;color:#171717;border:1px solid #cccccc}
.err-btn--ghost:hover{background:#f5f5f5}
.err-footer{margin-top:28px;font-size:12px;color:#999999}
@media (max-width:480px){.err-page{padding:12px}.err-card{padding:32px 18px}.err-code{font-size:44px}.err-icon{width:56px;height:56px;line-height:56px}.err-title{font-size:18px}.err-msg{font-size:14px}.err-btn{padding:10px 22px}}
@media (max-height:640px){.err-card{padding:24px 18px}.err-icon{width:48px;height:48px;line-height:48px;margin-bottom:12px}.err-code{font-size:40px}.err-title{font-size:17px;margin:8px 0 6px}.err-actions{margin-top:14px}}