.wifi-connect-container{background-size:contain;background-color:#f5f5f5;background-size:cover;background-position:50%;background-repeat:no-repeat;background-attachment:fixed;position:relative;min-height:100vh;padding:15px;box-sizing:border-box}.qr-code-section,.wifi-connect-container{display:flex;flex-direction:column;justify-content:center;align-items:center}.qr-code-section{margin:0 auto;width:100%;max-width:300px;flex-grow:1;background-color:hsla(0,0%,100%,.5);padding:20px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.1)}.qr-code{width:100%;max-width:200px;height:auto;margin:0 auto}.qr-tip{margin-top:15px;font-size:16px;color:#333;text-align:center}.ad-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:1000}.ad-content{background:#fff;padding:15px;border-radius:8px;text-align:center;width:90%;max-width:400px}.ad-image{max-width:100%;height:auto;border-radius:4px}.ad-close-btn{margin-top:15px;padding:8px 15px;background:#409eff;color:#fff;border:none;border-radius:4px;font-size:14px}@media (max-width:768px){.wifi-connect-container{padding:10px}.qr-tip{font-size:14px}.ad-content{padding:10px;width:85%}}.ad-header{position:relative;height:24px}.ad-close-btn{position:absolute;top:-10px;right:-10px;width:24px;height:24px;padding:0;background:#fff;border:1px solid #ddd;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1}.ad-close-btn:hover{background:#f5f5f5}.ad-footer{margin-top:10px;text-align:center;font-size:12px;color:#999}