body{font-family:Arial,sans-serif;background-color:#171920;color:#fff;margin:0;padding:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.nav-btn{padding:8px 2px;border-radius:30px;cursor:pointer;font-weight:500;background:#0b0c0f}.nav-btn-clicked{padding:8px 2px;border-radius:30px;cursor:pointer;font-weight:500;background:linear-gradient(to right,#6250eb,#07f3ac)}.nav-item{padding:8px 16px;border-radius:30px;text-decoration:none;color:#fff;background:#0b0c0f}.logo{position:absolute;left:-20px;bottom:8px;width:42px}.container{position:relative;padding-top:100px;width:1900px;margin:0 auto}.qr-container{position:fixed;top:107px;right:70px;text-align:center}.qr{width:227px;height:227px}.qr-text{color:#292828;font-weight:600;margin-top:-45px}.contact{width:111px;height:35px;background:linear-gradient(to right,#6250eb,#07f3ac);border-radius:30px;display:flex;justify-content:center;align-items:center}.flex{display:flex}.justify-between{justify-content:space-between}.items-center{align-items:center}.items-end{align-items:flex-end}.header{position:fixed;top:0;left:0;right:0;width:100%;padding-top:48px;padding-bottom:17px;background:#0b0c0f;z-index:1000}.nav-bar{width:1644px;margin:0 auto}.section{position:relative;display:flex;flex-direction:column;align-items:center}.content-1{position:absolute;top:60px;text-align:center}.content-2,.content-3{position:absolute;left:1200px;top:72px;text-align:left}.section h2{margin:0;font-size:39px;letter-spacing:7px;font-weight:500}.section p{margin:0;letter-spacing:1px}.section ul{margin-left:0;padding-left:16px}.content-3 ul li{margin-bottom:16px}.horizontal{margin-top:10px;margin-bottom:6px;width:60px}.img-item{width:1900px}.sub-title{color:#999}.footer{height:64px;color:#999;display:flex;justify-content:center;align-items:center;background:#0b0c0f}