body{padding-top:3.7rem}.section{padding:3rem 0;border-top:1px solid #eaeaea}.section .container{width:80%}.section.section-light{background-color:#f8f9fa}.section .main_title{margin-bottom:3rem}.circle{transition:transform 1s ease}.circle:hover{transform:rotate(360deg);transform-origin:center;background:linear-gradient(120deg, #bd34fe 30%, #41d1ff);color:#fff}.goto{margin:3rem 0 0 0}.goto a{padding-left:2rem;padding-right:2rem}nav{border-bottom:1px solid #eaeaea}nav .btn-group button:first-child{border-top-left-radius:20rem;border-bottom-left-radius:20rem}nav .btn-group button:last-child{border-top-right-radius:20rem;border-bottom-right-radius:20rem}.site-footer{background-color:#f8f9fa;padding:40px 0 20px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.footer-content{display:flex;flex-direction:column;gap:30px}.contact-info h3{font-size:1.4rem;margin-bottom:20px;color:#222;position:relative;padding-bottom:10px;text-align:center}.contact-layout{display:flex;justify-content:center;align-items:center;flex-wrap:nowrap;gap:120px;max-width:900px;margin:0 auto;min-width:650px}.contact-left{width:220px;padding:0 10px;display:flex;flex-direction:column;align-items:flex-start}.contact-item{display:flex;align-items:center;margin-bottom:15px;transition:transform .3s ease}.contact-item:hover{transform:translateX(5px)}.contact-right{width:300px;padding:0 10px;display:flex;justify-content:flex-start}.wechat-container{display:flex;gap:25px}.wechat-display{display:flex;flex-direction:column;align-items:center}.icon-envelope{font-size:1.4rem;margin-right:8px;color:#3498db}.icon-envelope::before{content:"✉"}.email-link{color:#333;text-decoration:none;transition:color .3s ease}.email-link:hover{color:#3498db;text-decoration:underline}.wechat-qrcode{background-color:#fff;padding:10px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.08);display:inline-block}.qrcode-img{width:120px;height:120px;display:block;border:1px solid #f1f1f1}.qrcode-desc{color:#333;font-size:.9rem;text-align:center;margin:5px 0 0}.copyright{padding-top:20px;border-top:1px solid #eaeaea;text-align:center;font-size:.9rem;color:#666}@media(max-width: 650px){.contact-layout{flex-wrap:wrap;flex-direction:column;min-width:auto;gap:30px}.contact-left,.contact-right{width:100%;justify-content:center;align-items:center}.contact-item{justify-content:center}}footer .site-footer{padding:3rem 0 0 0;border-top:1px solid #eaeaea}footer .contact-info h3{font-size:calc(1.375rem + 1.5vw)}#start{padding:7rem 0;background-image:linear-gradient(to bottom, #F8F9FA 0%, #e7f0fd 50%, #F8F9FA 100%)}#start #title img{width:20rem}#start #title h1{color:#fff;background:linear-gradient(120deg, #bd34fe 30%, #41d1ff);background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0)}#start #title .description{color:#666}#start .provider{padding-top:2.6rem}#start .provider img{opacity:.8;width:18rem}#advantage .fa{border:1px solid #eaeaea;width:10rem;height:10rem;line-height:10rem;font-size:4rem;border-radius:50%;background-color:#fff}#advantage h2{margin:3rem 0}#advantage p{color:#999}#guarantee .fa{border:1px solid #eaeaea;width:10rem;height:10rem;line-height:10rem;font-size:4rem;border-radius:50%;background-color:#f8f9fa}#guarantee h2{margin:3rem 0}#guarantee p{color:#999}