.footer{background:#f5f5f5;color:#2b2928;padding:40px 0 20px;position:relative;margin-top:60px}#back-to-top,.footer-logo h3{display:flex;align-items:center}#back-to-top{position:fixed;bottom:25px;right:25px;width:45px;height:45px;background:var(--primary-color);color:#fff;justify-content:center;border-radius:50%;font-size:22px;text-decoration:none;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease,background-color .3s ease;z-index:999}#back-to-top.show{opacity:1;visibility:visible}#back-to-top:hover{background:var(--black)}.footer:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary-color) 0%,#0751cc 100%)}.footer-content{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:60px;margin-bottom:25px;padding-bottom:25px;border-bottom:1px solid rgba(0,0,0,.08)}.footer-logo{text-align:left}.footer-logo h3{font-size:2.2rem;color:#2b2928;font-weight:800;margin-bottom:15px;gap:10px}.footer-contact p,.footer-logo p{color:#666;font-size:1.1rem;line-height:1.6;margin-bottom:0}.footer-contact,.footer-logo,.footer-logo p span{display:block}.footer-contact h4,.footer-links h4{display:block;font-size:1.2rem;color:#2b2928;margin-bottom:20px;font-weight:700}.footer-links ul{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:12px}.footer-links a{color:#666;font-size:1rem;text-decoration:none;transition:all .3s ease}.footer-links a:hover,.footer-written-links a:hover{color:var(--primary-color)}.footer-contact p{line-height:1.8;margin-bottom:15px}.footer-contact p strong{color:#2b2928;font-weight:600;min-width:80px}.footer-bottom{padding-top:25px;color:#666;font-size:1rem;letter-spacing:.5px}.footer-contact p,.footer-info{display:flex;align-items:flex-start;gap:15px}.footer-info{flex-direction:column;justify-content:flex-start;padding:30px 0;font-size:.85rem;line-height:1.6}.footer-top-row{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:15px;width:100%}.copyright,.footer-written-links{display:inline-flex;align-items:center;width:auto}.footer-record{display:inline-flex;width:auto}.footer-friend-links,.footer-report{width:100%}.footer-written-links a{margin-right:10px;color:#666;text-decoration:none;white-space:nowrap}.footer-written[href*=business-license]{position:relative}.footer-written[href*=business-license]::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-45%);width:80vw;height:85vh;background-image:url(https://stasic.y.jhsycm.cn/stasuc/new/AME/business_license/pic_picture/20240514/ame_20240414.bmp);background-size:contain;background-repeat:no-repeat;background-position:center;display:block;opacity:0;visibility:hidden;transition:all .4s ease;z-index:10000;pointer-events:none;filter:drop-shadow(0 0 50px rgba(0,0,0,.5))}.footer-written[href*=business-license].show-license::after,.footer-written[href*=business-license]:hover::after{opacity:1;visibility:visible;transform:translate(-50%,-50%)}.copyright{margin-bottom:0;white-space:normal}.footer-record,.footer-report{display:flex;flex-direction:row;flex-wrap:wrap;gap:30px;align-items:center}.footer-record{gap:20px}.footer-group{margin-bottom:0}.footer-friend-links{margin-bottom:0;white-space:nowrap}.footer-written{color:#666;text-decoration:none;transition:color .3s ease}.footer-written:hover{color:var(--primary-color)}@media (max-width:1024px){.footer-top-row{flex-direction:column;align-items:center;gap:15px}.copyright,.footer-written-links{width:100%;justify-content:center;text-align:center}.footer-written-links{flex-direction:column;gap:10px}}@media (max-width:768px){.footer-written-links a{display:block;margin-bottom:0;text-align:center;margin-right:0}.footer-content{grid-template-columns:1fr;gap:30px;text-align:left}.footer-logo{margin-bottom:10px}.footer-links h4{margin-bottom:15px}.footer-info{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:15px 0}.footer-written-links{display:flex;flex-direction:column;gap:10px;width:100%;align-items:center}.copyright{width:100%;display:block;white-space:normal;text-align:center}.copyright .company-name{display:block;margin-bottom:5px}.footer-report{display:flex;flex-direction:column;gap:15px;align-items:center;width:100%}.footer-friend-links,.footer-group,.footer-record{width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;white-space:normal}}@media (max-width:480px){.footer-content{grid-template-columns:1fr;text-align:center;gap:40px}.footer-bottom{font-size:.9rem}.footer-info,.footer-written-links{flex-direction:column;gap:15px;align-items:center}.footer-written-links{display:flex;gap:10px;width:100%;align-items:center}.footer-written-links a{display:block;margin-bottom:0;text-align:center;margin-right:0}.copyright{width:100%;display:block;white-space:normal;text-align:center}.footer-report{flex-direction:column;gap:15px;align-items:center;width:100%}.footer-group{width:100%;display:block;text-align:center}.footer-record{white-space:normal;text-align:center}.footer-friend-links{width:100%;display:block;text-align:center}}@media (max-width:430px){.footer-content{grid-template-columns:1fr;text-align:center;gap:40px}.footer-info,.footer-written-links{flex-direction:column;gap:15px;align-items:center}.footer-written-links{display:flex;gap:10px;width:100%;align-items:center}.footer-written-links a{margin-bottom:0;text-align:center;margin-right:0}.copyright{width:100%;display:block;white-space:normal;text-align:center}.footer-report{flex-direction:column;gap:15px;align-items:center;width:100%}.footer-group{width:100%;display:block;text-align:center}.footer-record{white-space:normal}.footer-friend-links,.footer-record{width:100%;display:block;text-align:center}}@media (max-width:375px){.footer-content{grid-template-columns:repeat(2,1fr);gap:30px;text-align:left}.footer-content h4{font-size:1.2rem}.footer-content ul li a{font-size:.9rem;line-height:1.8}.footer-bottom{padding:15px 0}.footer-info{flex-direction:column;gap:15px;align-items:center}.footer-written-links{display:flex;flex-direction:column;gap:10px;width:100%;align-items:center;align-self:center}.footer-written-links a{margin-bottom:0;font-size:.85rem;width:100%;text-align:center;margin-right:0}.copyright{width:100%;display:block;white-space:normal;text-align:center}.footer-report{flex-direction:column;gap:15px;align-items:center;width:100%}.footer-group{width:100%;display:block;text-align:center}.footer-record{white-space:normal;text-align:center}.footer-friend-links,.footer-record{width:100%;display:block;text-align:center}.footer-bottom{font-size:.8rem}}@media (max-width:992px){.footer-logo{grid-column:1/-1;text-align:center}.footer-logo h3{justify-content:center}}