.gt-helper .gt-helper--header{position:relative;width:100%;min-width:980px;height:437px;overflow:hidden;background-color:#2071ff;background-image:url(/_next/static/media/banner_bg.ed2355e1.png);background-position:bottom;background-size:704px auto;background-repeat:no-repeat}.gt-helper .gt-helper--lead{box-sizing:border-box;width:1188px;height:auto;margin:0 auto;display:flex;justify-content:space-between;position:absolute;top:-132px;left:50%;transform:translateX(-50%)}@media screen and (max-width:980px){.gt-helper .gt-helper--lead{width:auto;padding:0 25px}}.gt-helper .gt-helper--lead .lead-item{box-sizing:border-box;width:376px;background:#fff;border:1px solid #e6e9f1;box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);border-radius:8px;padding:40px 37px;display:flex;flex-direction:column;justify-content:space-between}.gt-helper .gt-helper--lead .item-title{font-size:20px;line-height:29px;color:#28292f;font-weight:700;margin-bottom:15px}.gt-helper .gt-helper--lead .item-des{font-size:16px;line-height:24px;color:#6b7280;margin-bottom:27px}.gt-helper .gt-helper--lead .blue-btn{width:100%;display:flex;align-items:center;justify-content:center}.gt-helper .gt-helper--lead .blue-btn:after{display:none}.gt-helper .gt-helper--lead .blue-btn img{width:18px;margin-right:10px}.gt-helper .gt-helper--content{position:relative;background:#f9fafb;padding-bottom:120px}.gt-helper .gt-helper--question .question-content{box-sizing:border-box;width:1188px;height:auto;margin:0 auto;display:flex;padding:100px 0 300px}@media screen and (max-width:980px){.gt-helper .gt-helper--question .question-content{width:auto;padding:0 25px}}.gt-helper .gt-helper--question .left{position:sticky;top:30px;max-height:200px;padding:0 70px 0 80px;width:30%}.gt-helper .gt-helper--question .left .left-title{font-weight:700;font-size:26px;line-height:38px;margin-bottom:10px}.gt-helper .gt-helper--question .left .left-info{font-size:16px;line-height:24px;color:#6b7280}.gt-helper .gt-helper--question .left .left-info1{margin-top:10px;font-size:16px;line-height:24px;color:#6b7280}.gt-helper .gt-helper--question .left span{color:#2461f6;cursor:pointer}.gt-helper .gt-helper--question .right{padding:0 40px 0 110px}.gt-helper .gt-helper--question .right .right-title{display:none}.gt-helper .gt-helper--question .right .question-item{margin-bottom:44px}.gt-helper .gt-helper--question .right .question-title{font-size:20px;line-height:29px;color:#28292f;margin:0 0 10px;font-weight:700}.gt-helper .gt-helper--question .right .answer-info{font-size:15px;line-height:22px;color:#6b7280;position:relative}.gt-helper .gt-helper--question .right .answer-info.dot{text-indent:20px}.gt-helper .gt-helper--question .right .answer-info.dot:before{content:"";background-color:#6b7280;width:2px;height:2px;border-radius:1px;position:absolute;left:9px;top:11px}.gt-helper .gt-helper--footer{background:#f9fafb;position:relative;height:493px;display:flex;flex-direction:column-reverse}.gt-helper .gt-helper--footer .gt-helper--form{box-sizing:border-box;width:1188px;height:auto;padding:59px 120px 58px 80px;background:#2071ff;box-shadow:0 10px 10px -5px rgba(0,0,0,.04),0 20px 25px -5px rgba(0,0,0,.1);border-radius:14px;display:flex;justify-content:space-between;margin:0 auto 100px;position:absolute;top:-208px;left:50%;transform:translateX(-50%)}@media screen and (max-width:980px){.gt-helper .gt-helper--footer .gt-helper--form{width:auto;padding:0 25px}}.gt-helper .gt-helper--footer .gt-helper--form .left-title{font-weight:700;font-size:26px;line-height:38px;margin-bottom:10px;color:#fff}.gt-helper .gt-helper--footer .gt-helper--form .left-info{font-size:16px;line-height:24px;color:#fff}.gt-helper .gt-helper--footer .gt-helper--form .right .success-msg{text-align:center;transition:all .3s}.gt-helper .gt-helper--footer .gt-helper--form .right .success-msg img{height:159px;width:159px}.gt-helper .gt-helper--footer .gt-helper--form .right .success-msg h2{color:#fff;font-size:18px;font-weight:700;line-height:22px;margin-top:20px}.gt-helper .gt-helper--footer .gt-helper--form .right .form-item{display:flex;justify-content:space-between;margin-bottom:24px}.gt-helper .gt-helper--footer .gt-helper--form .right .form-item:last-child{margin-bottom:0}.gt-helper .gt-helper--footer .gt-helper--form .right .file-item{padding:6px 10px;margin-top:8px;width:146px;border-radius:3px;background-color:#5190ff;box-sizing:border-box;color:#fff;display:flex;align-items:center;justify-content:space-between;font-size:13px}.gt-helper .gt-helper--footer .gt-helper--form .right .file-item span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.gt-helper .gt-helper--footer .gt-helper--form .right .file-item img{width:12px;height:12px;padding:3px;cursor:pointer;pointer-events:auto}.gt-helper .gt-helper--footer .gt-helper--form .right .item-label{width:100px;text-align:right;color:#fff;font-size:16px;line-height:23px;padding:0 10px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content{width:420px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content textarea{border-radius:6px;width:420px;height:164px;padding:16px;font-size:15px;line-height:22px;outline:none;margin-bottom:10px;box-sizing:border-box}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content textarea.error{border:2px solid #dd5c5c}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content textarea:focus{border:4px solid #629bff}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .error-file-info{text-align:left;margin-bottom:4px;font-size:14px;line-height:26px;color:#fff}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .error-info{text-align:right;margin-bottom:4px;font-size:14px;line-height:26px;color:red}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content ::-webkit-input-placeholder{color:#6b7280;font-size:15px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content ::-moz-placeholder{color:#6b7280;font-size:15px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content :-ms-input-placeholder{color:#6b7280;font-size:15px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .upload-btn{width:146px;height:46px;background:#5190ff;border-radius:6px;display:flex;justify-content:center;align-items:center;font-size:14px;color:#fff;position:relative;cursor:pointer}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .upload-btn .file-input{opacity:0;width:100%;height:100%;position:absolute;top:0;left:0;cursor:pointer}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .upload-btn img{width:18px;height:16px;margin-right:5px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .text-input{width:420px;height:56px;background:#fff;border-radius:6px;outline:none;box-sizing:border-box;padding:17px 18px;font-size:15px}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .text-input:focus{border:4px solid #629bff}.gt-helper .gt-helper--footer .gt-helper--form .right .item-content .submit-btn{width:420px;height:54px;background:#004bce;border-radius:6px;color:#fff;text-align:center;line-height:54px;cursor:pointer}.gt-helper .gt-helper--footer .footer-content{box-sizing:border-box;width:1188px;height:auto;margin:0 auto;box-shadow:0 -1px 0 #dce1e7;color:#858ab4;font-size:12px;line-height:16px;height:92px;display:flex;justify-content:space-between;align-items:center}@media screen and (max-width:980px){.gt-helper .gt-helper--footer .footer-content{width:auto;padding:0 25px}}.gt-helper .gt-helper--footer .footer-content img{width:130px}.gt-helper .gt-helper--footer .footer-content p{text-align:right}.gt-helper .gt-helper--teach{padding-top:260px;display:flex;justify-content:space-between;box-sizing:border-box;width:1188px;height:auto;margin:0 auto}@media screen and (max-width:980px){.gt-helper .gt-helper--teach{width:auto;padding:0 25px}}.gt-helper .gt-helper--teach .left{padding:0 70px;display:flex;flex-direction:column}.gt-helper .gt-helper--teach .left .left-title{color:#28292f;font-weight:700;font-size:26px;line-height:38px;margin-bottom:10px}.gt-helper .gt-helper--teach .left .left-info{font-size:16px;line-height:24px;color:#6b7280;margin-bottom:50px}.gt-helper .gt-helper--teach .left .menu-item{width:134px;height:42px;text-align:center;line-height:42px;color:#6b7280;font-size:15px;cursor:pointer}.gt-helper .gt-helper--teach .left .menu-item.active{background:#eceef0;border-radius:4px;color:#28292f}.gt-helper .gt-helper--teach .right .menu-wrap,.gt-helper .gt-helper--teach .right .moblie-teach-top{display:none}.gt-helper .gt-helper--teach .teach-content{width:700px;height:530px;background:#eceef0;overflow:hidden;margin-right:50px;border-radius:13px}.gt-helper .gt-helper--teach .teach-content video{width:100%}.gt-helper .fixed-wrap{display:none}.gt-helper .lang-mask-register{position:fixed;top:20px;z-index:-9;left:0;right:0;width:1080px;margin:0 auto}@media screen and (max-width:980px){.gt-helper .lang-mask-register{width:100%}}.gt-helper .lang-box-register{opacity:0;pointer-events:none;position:absolute;top:60px;left:97%;height:80px;width:120px;background-color:#fff;box-shadow:0 -1px 2px 0 rgba(225,231,255,.3),0 4px 8px 0 rgba(133,138,180,.32);padding:8px;font-size:13px;font-weight:500;letter-spacing:.5px;color:#3b426b;transition:all .3s ease-in-out;-webkit-transition:all .3s ease-in-out;-moz-transition:all .3s ease-in-out;-ms-transition:all .3s ease-in-out;-o-transition:all .3s ease-in-out;-webkit-transform:perspective(1400px) rotateX(-15deg);transform:perspective(1400px) rotateX(-15deg);border-radius:3px}@media screen and (max-width:980px){.gt-helper .lang-box-register{left:unset;right:0}}.gt-helper .lang-box-register img{width:20px}.gt-helper .lang-box-register>div>a{height:40px;display:block;padding:0 8px;text-align:left;line-height:40px;font-weight:500}.gt-helper .lang-box-register>div>a:hover{border-radius:3px;color:#3b426b;background-color:rgba(0,0,0,.05);transition:background .3s ease-out;-webkit-transition:background .3s ease-out;-moz-transition:background .3s ease-out;-ms-transition:background .3s ease-out;-o-transition:background .3s ease-out;-webkit-border-radius:3px;-moz-border-radius:3px;-ms-border-radius:3px;-o-border-radius:3px}.gt-helper .lang-box-register>div>a img{position:relative;top:3px;left:4px;margin-right:22px}.gt-helper .lang-box-register>div>a:after{display:none}.gt-helper .lang-box-register:before{content:"";width:138px;height:20px;position:absolute;top:-20px;left:0}.gt-helper .lang-box-register:after{content:"";position:absolute;z-index:-1;top:-5px;left:42%;pointer-events:none;width:20px;height:20px;background:#fff;transform:rotate(48deg);box-shadow:-3px -3px 7px -2px rgba(133,138,180,.18);border-radius:4px}.gt-helper .lang-mask-on{z-index:999}.gt-helper .lang-mask-on .lang-box-register{opacity:1;pointer-events:auto;transform:rotateX(0);-webkit-transform:rotateX(0);-moz-transform:rotateX(0);-ms-transform:rotateX(0);-o-transform:rotateX(0)}.gt-helper .header-title{margin-top:20px;font-weight:700;font-size:40px;line-height:58px;color:#fff;text-align:center}.gt-helper .top{width:100%;height:6.25rem}@media screen and (max-width:980px){.gt-helper .top{height:3.125rem}}.gt-helper .top .box-container{width:1180px;margin:0 auto}@media screen and (max-width:980px){.gt-helper .top .box-container{width:auto;margin:0 20px}}.gt-helper .top .header{width:100%;height:2.0625rem;padding:1.78125rem 0;position:relative}@media screen and (max-width:425px){.gt-helper .top .header{height:1.5625rem;padding:1.5rem 0}}.gt-helper .top .header .logo{cursor:pointer;display:block;float:left;width:129px}.gt-helper .top .header .logo div{cursor:pointer;height:100%}.gt-helper .top .header .logo svg{height:100%;pointer-events:none}@media screen and (max-width:425px){.gt-helper .top .header .logo svg{width:8.0625rem}}.gt-helper .top .header .separate{float:left;box-sizing:border-box;height:100%;width:.0625rem;border-right:1px solid #e1e7ff;margin:0 .9375rem}.gt-helper .top .header .title{float:left;color:#3b426b;font-size:1.25rem;line-height:2rem}@media screen and (max-width:425px){.gt-helper .top .header .title{font-size:1rem;line-height:1.5rem}}.gt-helper .top .header .lang-register{float:right;position:relative;margin-top:4px}@media screen and (max-width:980px){.gt-helper .top .header .lang-register{right:30px}}.gt-helper .top .header .lang-register a{padding:16px 8px 4px;margin-top:3px;position:relative;cursor:pointer;box-sizing:content-box}.gt-helper .top .header .lang-register a:hover{border-radius:3px;color:#3b426b;background-color:rgba(237,241,248,.5);transition:background .3s ease-out;-webkit-transition:background .3s ease-out;-moz-transition:background .3s ease-out;-ms-transition:background .3s ease-out;-o-transition:background .3s ease-out;-webkit-border-radius:3px;-moz-border-radius:3px;-ms-border-radius:3px;-o-border-radius:3px}@media screen and (max-width:425px){.gt-helper .top .header .lang-register a{margin-right:0}}.gt-helper .top .header .lang-register a img{width:24px}.gt-helper .top .banner{display:-webkit-box;width:100%;height:auto}@media screen and (max-width:425px){.gt-helper .top .banner{height:auto}}.gt-helper .top .banner .text{height:6.125rem;width:37.5rem;color:#3b426b;font-size:2.375rem;font-weight:700;line-height:3.0625rem;text-align:center;margin:5rem auto}@media screen and (max-width:425px){.gt-helper .top .banner .text{height:3.25rem;width:19.4375rem;font-size:1.125rem;line-height:1.625rem;margin:1.875rem auto}}.gt-helper .loading{margin:auto;width:70px;height:20px}.gt-helper .loading-dot{float:left;width:8px;height:8px;margin:23px 4px;background:#ccc;-webkit-border-radius:50%;-moz-border-radius:50%;border-radius:50%;opacity:0;-webkit-animation:loadingFade 1s infinite;-moz-animation:loadingFade 1s infinite;animation:loadingFade 1s infinite}.gt-helper .loading-dot:first-child{-webkit-animation-delay:0s;-moz-animation-delay:0s;animation-delay:0s}.gt-helper .loading-dot:nth-child(2){-webkit-animation-delay:.1s;-moz-animation-delay:.1s;animation-delay:.1s}.gt-helper .loading-dot:nth-child(3){-webkit-animation-delay:.2s;-moz-animation-delay:.2s;animation-delay:.2s}.gt-helper .loading-dot:nth-child(4){-webkit-animation-delay:.3s;-moz-animation-delay:.3s;animation-delay:.3s}@-webkit-keyframes loadingFade{0%{opacity:0}50%{opacity:.8}to{opacity:0}}@-moz-keyframes loadingFade{0%{opacity:0}50%{opacity:.8}to{opacity:0}}@keyframes loadingFade{0%{opacity:0}50%{opacity:.8}to{opacity:0}}@media screen and (max-width:980px){#gt-helper-mobile .gt-helper--header{height:240px;min-width:unset;background-position:50%;background-size:cover}#gt-helper-mobile .gt-helper--header .header-title{margin-top:55px;font-size:30px;line-height:43px}#gt-helper-mobile .gt-helper--footer{height:auto}#gt-helper-mobile .gt-helper--lead,#gt-helper-mobile .left,#gt-helper-mobile .to-top{display:none}#gt-helper-mobile .gt-helper--content{padding-bottom:39px}#gt-helper-mobile .gt-helper--teach .moblie-teach-top{display:flex;justify-content:space-between;align-items:center;padding:24px 0 18px}#gt-helper-mobile .gt-helper--teach .moblie-teach-top .teach-title{color:#28292f;font-weight:700;font-size:22px;line-height:32px}#gt-helper-mobile .gt-helper--teach .moblie-teach-top .teach-info{font-size:14px;line-height:24px;color:#6b7280}#gt-helper-mobile .gt-helper--teach .right{width:100%}#gt-helper-mobile .gt-helper--teach .teach-content{margin:0 auto;width:100%;height:auto}#gt-helper-mobile .gt-helper--teach .teach-content video{display:block}#gt-helper-mobile .gt-helper--teach .menu-wrap{margin-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between}#gt-helper-mobile .gt-helper--teach .menu-item{width:32%;height:42px;text-align:center;line-height:42px;color:#6b7280;font-size:14px;cursor:pointer;background-color:#eceef0;margin-bottom:8px}#gt-helper-mobile .gt-helper--teach .menu-item.active{background:#2071ff;border-radius:4px;color:#fff}#gt-helper-mobile .gt-helper--form{display:none}#gt-helper-mobile .gt-helper--question .right{padding:26px 0}#gt-helper-mobile .gt-helper--question .right-title{color:#28292f;display:block;font-weight:700;font-size:22px;line-height:32px;margin-bottom:18px}#gt-helper-mobile .gt-helper--question .question-title{font-size:16px}#gt-helper-mobile .gt-helper--question .answer-info{font-size:14px}#gt-helper-mobile .footer-content{padding:0 15px;margin-bottom:82px}#gt-helper-mobile .fixed-wrap{box-sizing:border-box;width:100%;position:fixed;bottom:0;left:0;display:none;justify-content:space-between;background:#fff;padding:16px 25px;box-shadow:0 -2px 10px rgba(0,0,0,.05),0 -1px 0 #dce1e7}#gt-helper-mobile .fixed-wrap .blue-btn{width:47%;margin:0;display:flex;align-items:center;justify-content:center}#gt-helper-mobile .fixed-wrap .blue-btn:after{display:none}#gt-helper-mobile .fixed-wrap .blue-btn img{margin-right:10px;width:17px}}