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transparent;border-right:4px solid transparent}.new_rollTopfone_box .icon:hover::before{border-top:4px solid #4aa6e5}.toggle-nav{padding:15px;float:right;display:inline-block;color:#222;font-size:30px;border-radius:5px}a.toggle-nav{color:#222}.toggle-nav .active,.toggle-nav:hover{text-decoration:none}.new_rollTopfone_box #vice-menu{position:absolute;top:63px;left:0;float:none;margin:0;width:100%;padding-bottom:10px;background:#fff;display:none;box-shadow:0 5px 5px rgba(0,0,0,.1)}.new_rollTopfone_box #vice-menu li{float:none;padding-top:6px;padding-bottom:6px}.menu{position:relative;display:inline-block;float:right;margin-top:0}.menu ul.active{display:none}.menu ul{position:absolute;top:51px;right:-20px;padding:10px;box-shadow:0 1px 1px rgba(0,0,0,.15);background:#222;border:1px solid #222;opacity:.8}.menu li{margin:0;float:none;display:block}.menu li a{padding:15px 15px 0;color:#fff}}#Breadcrumbs,.left_menu .title_box{color:#1E1E1E;box-sizing:border-box}@media screen and (max-width:650px){.new_rollTopfone_box .icon{max-width:200px;margin-top:0;line-height:40px}.new_rollTopfone_box .icon img{float:left}.menu_dropDown .item{width:90%}.systemTab{margin-bottom:10px}.fixbar a.fix-buy,.fixbar span.fix-buy{width:100px;line-height:36px;height:40px}}#Breadcrumbs,#guide_box{width:100%;margin:0 auto}.bold{font-weight:700}#guide_box{padding-bottom:60px}#guide_box .center{overflow:visible;position:relative;-webkit-align-items:flex-start;align-items:flex-start}#Breadcrumbs{max-width:1200px;padding-left:28px;padding-top:40px;padding-bottom:21px;font-size:16px;line-height:21px}.left_menu{-webkit-position:sticky;position:sticky;left:0;top:85px;width:345px;box-sizing:border-box;overflow-y:auto;background:#FFF;box-shadow:0 0 30px 0 rgba(0,0,0,.06);border-radius:16px}.left_menu .title_box{width:100%;padding:22px 28px;font-size:24px;font-weight:600;line-height:32px;border:1px solid rgba(224,224,224,.5)}.left_menu li .point_index,.left_menu li>a{font-size:18px;line-height:26px;font-weight:600}.left_menu .title_box:nth-last-child(1){border-bottom:0 solid #000}.left_menu ul{display:block;box-sizing:border-box;margin:0 auto;padding:0 13px}.left_menu li>a{display:block;box-sizing:border-box;margin:5px 0;width:100%;height:auto;padding:5px 42px;background:#fff;border-radius:8px;position:relative;color:#2C3039;text-decoration:none}.left_menu li.active>a{background:#717CFF;color:#fff}.left_menu li>a:not(.no_icon)::after{content:'';display:block;position:absolute;width:10px;height:10px;top:12px;left:20px;background:url(/images/guide/icon-normal.svg) center no-repeat}.left_menu li.active.fit>a::after,.left_menu li.active>a::after{background:url(/images/guide/icon-down.svg) center no-repeat}.left_menu li.active.fit>a::after{-webkit-transform:rotate(-90deg);-moz-transform:rotate(-90deg);-o-transform:rotate(-90deg);transform:rotate(-90deg)}.left_menu li .point_index{display:none;margin:5px auto;width:70%;color:#2C3039;position:relative}.left_menu li .point_index::after{content:'';display:block;position:absolute;left:-12px;top:11px;width:4px;height:4px;background:#2C3039;border-radius:100%}.left_menu li.active .point_index{display:block}.left_menu li .point_index:nth-last-child(1){margin-bottom:10px}.right_section{width:800px}.right_section .section{padding-top:17px;text-align:left}.right_section h2{margin-bottom:28px;width:100%;font-size:28px;font-weight:600;color:#2C3039;line-height:30px;text-align:inherit}.right_section h3{margin-bottom:20px;width:100%;font-size:24px;font-weight:600;color:#1E1E1E;line-height:32px}.right_section .step{margin-bottom:25px;max-width:730px;width:100%;font-size:18px;color:#717CFF;line-height:27px}.right_section .step_1{box-sizing:border-box;max-width:730px;padding-left:50px;width:100%}.right_section p{margin-bottom:25px;max-width:800px;width:100%}.right_section .step span:nth-child(1){color:#2c3039;-webkit-flex-shrink:0;flex-shrink:0;margin-right:6px;font-weight:700}.right_section .step span:nth-child(2){-webkit-flex-shrink:1;flex-shrink:1}.right_section .step_i>span:nth-child(1){font-weight:700;background:#FFF4D7;border-radius:18px;line-height:36px;display:inline-block;padding-left:16px;padding-right:16px;margin-right:16px}.right_section .section .step_1>img,.right_section .section>img{display:block;max-width:100%;margin:0 auto 30px}.right_section p{color:#2C3039;font-size:18px;line-height:27px;margin:15px 0}.center .right_section span.bold{font-weight:700;color:#2C3039}.right_section a{color:#00aeff}.right_section .table_box{overflow-x:auto}.right_section table{width:100%;width:800px;margin:20px auto}.right_section table tr td{padding:15px 30px;font-size:16px;border-right:2px solid #F2F2FF}.right_section table tr td p{font-size:16px}.right_section table tr td:last-child{border:none}.right_section table td:nth-child(1){width:30%}.right_section table td:nth-child(2){width:70%}.right_section table tr:nth-child(odd){background:#EFEFFF}.right_section table tr:nth-child(even){background:#F7F7FF}.right_section table td:nth-child(1),.right_section table tr:nth-child(1) td{font-weight:700}.right_section .btn a{width:220px;background:#717CFF;display:inline-block;text-align:center;padding-top:8px;padding-bottom:8px;border-radius:10px;position:relative}.right_section .btn a::after{clear:both;content:"";width:100%;height:100%;background:#717CFF;position:absolute;left:0;border-radius:10px;top:0;z-index:1;transition:all .2s linear}.right_section .btn a:hover::after{transform:scale(1.02);background:#656FE5;box-shadow:5px 5px 10px #cfd2ff}.right_section .btn a:hover{background:#656FE5}.right_section .btn a:nth-child(1){margin-right:20px}.right_section .btn a div{position:absolute;font-size:12px;color:#1e1e1e;text-align:center;width:100%;bottom:-22px}.right_section .btn a div img{vertical-align:-3px;margin-right:2px;width:14px;height:14px}.right_section .btn a img,.right_section .btn a p{position:relative;z-index:2}.right_section .btn a img{display:inline-block;vertical-align:3px}.right_section .btn a p{display:inline-block;font-size:18px;color:#fff;line-height:24px;text-align:left;margin-left:20px;font-weight:600;width:122px}.right_section .btn a p span{font-size:12px;color:#fff;display:block;line-height:12px;font-weight:400;opacity:.9;zoom:.8;margin-top:2px}.right_section .btn a{margin-top:10px}.new_rollTopfone_box>div#macversion-top a,.new_rollTopfone_box>div#version-top a,.new_rollTopfone_box>div#winversion-top a,.new_rollTopfone_box>div.btn a,.new_rollTopfone_box>div.mac_btn a,.new_rollTopfone_box>div.win_btn a{margin-top:0}.right_section .btn{margin-bottom:40px}.right_section .btn p{margin:0}.new_rollTopfone_box>div.btn{display:block}.new_rollTopfone_box>div#macversion-top,.new_rollTopfone_box>div#winversion-top{float:right;margin-left:5px;display:none}.new_rollTopfone_box>div#version-top{float:right;margin-left:5px}.new_rollTopfone_box .icon{position:relative;margin-top:5px}.new_rollTopfone_box .icon a,.new_rollTopfone_box .icon span{display:flex;align-items:center}.new_rollTopfone_box.long .overview{display:none}.new_fixbar{z-index:7;display:none!important}.new_fixbar.active{display:block!important}.new_fixbar .icon img{display:inline-block;width:40px;height:40px}.new_fixbar .icon span{display:inline-block;line-height:32px;font-weight:600}ul#vice-menu li.special{padding-right:20px}ul#vice-menu li.special a.arrow,ul#vice-menu li.special a.arrowtop{position:relative}ul#vice-menu li.special a.arrowdown:before,ul#vice-menu li.special a.arrowtop:before{position:absolute;content:"";width:0;height:0;left:104%;top:48%;border-left:4px solid transparent;border-right:4px solid transparent}ul#vice-menu li.special a.arrowdown:before{border-top:4px solid #666}ul#vice-menu li.special a.arrowtop:before{border-bottom:4px solid #666}.fixbar,.nav-bg{position:fixed;width:100%}.nav-bg{background:#000;opacity:.7;height:100%}.fixbar a.fix-buy,.fixbar a.fix-down,.fixbar span.fix-buy{display:inline-block;font-size:17px;height:48px;text-align:center;font-weight:600}.fixbar{background-color:#fff;z-index:11;box-shadow:0 2px 5px 0 rgba(0,0,0,.2);top:0}.icon img{vertical-align:middle;margin-right:10px}.icon{float:left}.long .icon:hover a{color:#4aa6e5;text-decoration:none}.long .icon:hover{margin-top:12px;-webkit-transition:all .5s;-moz-transition:all .5s;transition:all .5s}ul#vice-menu{float:right;margin-bottom:0;margin-top:9px}ul#vice-menu li{float:left;padding:0 10px;line-height:30px;font-weight:600}.fixbar a.fix-down{color:#fff;margin-left:20px;margin-right:10px;line-height:48px;width:164px;background:#717CFF;border-radius:8px}.fixbar a.fix-buy:hover,.fixbar a.fix-down:hover{background-color:#656FE5;text-decoration:none}.fixbar a.fix-buy:hover{color:#fff}.fixbar a.fix-buy,.fixbar span.fix-buy{box-sizing:border-box;border:none;border:2px solid #717CFF;background-color:#fff;color:#717CFF;width:144px;line-height:44px;border-radius:8px;position:relative}.fixbar a.fix-down i{color:#fff;margin-right:6px;width:20px;height:20px;background:url(/images/guide/win-white.svg) center no-repeat;vertical-align:-3px}.fixbar a.fix-down i.mac{background:url(/images/guide/mac-white.svg) center no-repeat}.fixtop{top:0;z-index:99}#recommend .center>a img{margin:30px auto}.new_rollTopfone_box .mac_btn_box .fix-buy i,.new_rollTopfone_box .win_btn_box .fix-buy i{position:absolute;top:-18px;right:-3px;width:40px;height:40px;background:url(/images/video-converter/minus-20-dollars.svg) no-repeat;background-size:40px 40px}#banner .buy_section .buy i.icon_discount,#recommend .buy_section .buy i{position:absolute;top:-27px;right:-27px;width:64px;height:64px;background:url(/images/video-converter/minus-20-dollars.svg) no-repeat}@media screen and (max-width:1180px){.left_menu,.right_section{width:100%;max-width:730px;margin:0 auto 30px;position:static}}@media screen and (max-width:510px){.right_section .btn a{margin-bottom:20px}}@font-face{font-family:iconfont;src:url(font/public-article.woff2?t=1623910496409) format('woff2'),url(font/public-article.woff?t=1623910496409) format('woff'),url(font/public-article.ttf?t=1623910496409) format('truetype')}.iconfont{font-family:iconfont!important;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.icon-win:before{content:"\e671"}.icon-mac:before{content:"\e672"}.icon-twitter-icon:before{content:"\e673"}.icon-facebook-icon:before{content:"\e674"}.icon-language:before{content:"\e675"}.icon-instagram-icon:before{content:"\e676"}.icon-search:before{content:"\e677"}