.transition-c[data-v-7dc18b21]{-webkit-transition:all .3s cubic-bezier(.645,.045,.355,1);transition:all .3s cubic-bezier(.645,.045,.355,1)}.practice[data-v-7dc18b21]{width:100%;height:100%}.practice_lesson-switcher[data-v-7dc18b21]{position:absolute;top:4.75rem;left:3.5rem;z-index:2}.practice_title[data-v-7dc18b21]{margin-bottom:.625rem;min-height:2.875rem}.practice_main[data-v-7dc18b21]{width:calc(100% - 19.375rem);max-width:92.6875rem;overflow:visible;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;position:relative;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;left:19.375rem}.pad .practice_main[data-v-7dc18b21]{left:17.9375rem;width:calc(100% - 17.9375rem)}.practice_main_bg[data-v-7dc18b21]{width:100%}.practice_main_list[data-v-7dc18b21]{position:absolute;left:0;right:0;bottom:0;top:0;padding:3.125rem 2.5rem}.practice_main .practice_bg_gg[data-v-7dc18b21]{position:absolute;left:-4.375rem;top:50%;margin-top:-6.4375rem;width:6.4375rem}.practice_back[data-v-7dc18b21]{position:absolute;top:1.6875rem;right:16.25rem;width:2.8125rem;height:2.8125rem;background:url(data:image/png;base64,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) no-repeat;background-size:100%;z-index:3}.practice_back[data-v-7dc18b21]:hover{cursor:pointer}.practice_refresh[data-v-7dc18b21]{position:absolute;top:1.6875rem;right:12.5rem;width:2.8125rem;height:2.8125rem;background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC4AAAAvCAYAAACc5fiSAAAPaklEQVRoQ6VZCZRUVZK98dfMqqL2KigRlAJcQASFccW9W1EUpbulRdERFVyYFjeO3ccdbBbFFRQZGVoUccFGx2kbbXVEQWVoWgFlkUURRKiVWrIqM//yYk68rJTaqCo0zslz4Nf/798XLyLujfiEX24GgAhct5cVhiVsGMVgzmLDcGRpUsoHUYyUqggMYx88bxeARgDql7yafsHDLoBc03HOA9E5xDyQiXoTUMQMDfonI/gAKol5NwObwfxx6PvvAagGkPg5GH4OcBe2fawFjINhjFLMPcCIMrMBBsmPxdMmQRZXoVyUC5DLIKIQhAQZVAFgeajUIvj+VwDih7KBQwPuOMdZRNcz8zXMyGfFYCJEXQP9ekbQr6eLnoUu8rMtZLomiICGRIiaWIA9lR52/JjE1t1xNCQUwAzDILknBqLFoVIL4fv/7Cr4rgLPNVx3HAGTwdxP+QoZEROlPSO4+LR8nH9qHg7v7qI4y0RW1ARbhJR/tadBAaMxEaI8FuoNrFhTgzdXVmP77jjq4wEM0wAZtIuYnws87z8BVHW2ga4ALzUdZxqA0Upx1DaAwf274bqRxfjteYXIyTBhhgzF2okdmpyA/Ngk1CUV3vm4Cgv+Voa1m+qQCAHDMDyA/x4C98LzNna0WMfAHWeQCcwH4VTlKZQUOLj5tyWYcHEPFB/mIKgPocIUmEMx2aBBgJVtYn9VgL+8sw/PvLEX3+1NwLQNOaSvAqVuRBB8frB1D/5K2z7RIlrAwAkcMoYek4XZk47EaUNyQCEQemFTHBwK5Fb3Spw7Bgyb8MWmGKY88x1WrqsDUom9LVDqegTBKhwIvGaFqv339rcc51UGhkCxMeKUPMy5rRS9i12EQSfx8DP3YdmEsv0ebn96J5atqIIydHpsCZjHwvfXtV62PY/nmY7zAoBR4ulLzyzAvDtKUZRjw/e507DQcdzsLbLNzmJfbpd7LItQGw9w59ydeOndch1PRPRxkEyOBbC3JTW03IptOM7tBJqmAuWcPjgbr9x3FEoKnYN6WoBZ4h2T4AcMz2OEutqx3oFpEBxbfgBLiDVFWHsHkwZfHQswfsZ2LP+8CmSaAYEfCzzvweZk1dLjtj3UNI3loa+K+hQ7eH3asTjxmEwEXtvw0AlmAKZNqKoNsOk7D6s3JfGvrQnsqQjRkFSI2AYOKzBxXKmD0wdGcXxfB0UFJhACqgPCNx3Ctl0J/O6eTdj4fQKWTTGQcUmQSKxIb7g5cNtynKWKMcom0LwpfXHtyB7w4mG74WFaQH2C8cGaRrz8YT1WfRWH7wNZUYJlGTAN6BLpBwoNCdZl/aSjXVx+ZhYuOzNTk1Top06ltYlTnAwTyz6qxHV/3oqYp6RUrgiSyZFNOufAY6brjgTzyyrgnEtPz8eCh45GDkEfe/NyJ4vaLmFXmY8Zi/fjvX82Ip5kZEYNXeJSxjpmU8+lqF+gx+IMgwhnHR/BlKvyMKS/Cz/RNm/Spxm3CJNnbMeid8thWNQI5ptD33+xidf0mxzTcV5UjDHZLtGSacfigpNyESZbnackkEPYsdfH5KcrsG6Hh6hFIO1d1scvMSz/TgMnIp0Dhim5Rvq6FzB6FVuYeWMBTjs+CpVo3/NS09d8E8OlUzahsi5g06L/DZLJUeJ17RPbtocqovfCgAsuGV6AxQ/014AkmX4yBiQ8dlcH+MPjFVi9JaFZUywIWSdgaQ8bwwdFcOJREWRnEOrjjM3fJ/HJhji+2e2jMcGwRQ5IlnmMwwtNPHdXMQb1cdsNGzkx3wBuefRbLPp7mVSdeig1OgiCD2UVx3bdiYoxJ2IBsyb1wU2XlyCsF0o8gFu86oeMP86vxusr6pEVNTQtJANGaYmNP4zOwfnDoujWzUwFd7Ms8jxo8E/9tQbrdyThyCkRoSGucPYJUTw1uQgFGQaC1iwszsoysfT9Ctw0aztiSS0/pwaeN0Og9TBdd2EY8oV9u7t4/8mB6FXsaCpvbpYNvPN5I26bK2pUqzr4ATCoj40nbilEn552m2eaPy/xX9GgcM/8SnywNg5byiMISU/h/msKMGFUNoJk25CREKuuDfHrOzdiw3eNsEz6NEgmryLLdUcwMD8MVO8LTs7F32YPRBhXLRJSQCZ8xoRHy7Dq6wQijoFQMXoW2FgwpQj9j7ARJDvXLFI+KxsVJs4q1563zRTwo3o5WHR3d5QUWW34QnLCzTJxxb2b8fpH1TBMqgDzjWTZ9mwmukEp5Eyf0BtTxvZEEDSJ/yaXWSZhzTdxXP9IhdbSkmxxj/H4LUUYc24mfK89Omn/mukSVn7RiJser4SvUu9pTCjMnVyMS8/IQCi9UsvUguMQnntrH26bsxMhcyOIForHP2DGmUqx/d8PH4MLT85tEaKyhtTkF96rx5+er0JOpoHGpMLQoyI6sYq6GV2i9OZgJF+umV6O1ZvjmlmTPuPys7LwyMQCXe9bSwR5/6cb6jDi7i3wQlZEWEWm6+4Bo4SZae3CIRjYM9LGVYmAMfWF/VjyYR0yIgbq4wq3js7FH8flparBIZqAfXVFHe6eX42IQ/B8xoDeDt6Y1gMRm9pl1V01Pk64+kvEU6RVRpbjxBQjUwCtXjAY/YukB25pAvS2uZVYsT4OxxK6Jjx8fQGu/FWWFl6HYqYJyG/Ddg8X3r0X0UhK4/TqbuHNh0pQmGdCBSm909z2NgT4t/HrUVXrC9E1SKjEleJIYY6Nj58dhNLC1g06sL9R4ZbHyrFma1LHt2kSHr2xAJednqXJpEvGqXlEbSxVrr7d62Pc9HL9b0n0HvkWnp1cpGu79KLZmTL1OGBlDQHOvPkr7NqXlARNiMcbFCNDesXPnj++XY/XxZVmyk++SsA2UyQ+/YYCjDknS3urM9MywSZdSa54aB8qakO4DiEzksoPqVpKsZYOKV5wsOT+7igtsaCC1Op7YwFOuWE9yqt9EXeNEuPlrLiQiGjtXwZjQEnbGG/0Fe5fUI2/rozpUigMeNeYXNx+RW67yvFgG2ECnlxagznLauE4KQmQtvQGNMmNzcMNF2e3YO4f6nwMGbcODclQGutK8fhqBg1Tis1/zB6Aswdnt6kqUrPmv12LqS/t11VFGO/XwzLw5K1F6Oam9EdXTEgollCY9GTq9Fy7OTVDryvVRTSMZRC4SeBJ/f9yawPOnrwRyZCZwF+Kx58B8zilkP3kfxyJSaNLtPZooXdNwooNjZj4eAUCX3R4SlAtmFKMc4ZENVV3xWR/ot+/2+Ph2pll+LEy1PkiJrwwrL+LeVOKUJRl6vX1REBrEuDFdytx4+wdCBgJEBaT6ThjQTQ7DNVhl59dgCVTj2nDnOKpmgaFa2eVYd32pA4Xz1c4oV8Uz08pQn6OoYmjq92+0L3I4VufroD03HJiORmGZuFhx0S0c5qHkDDnhBnbsPCdcnnHfjDfKds90nLdl4KQhx/bK4JP5g5CbobZJlxEqyx8px4PLqrSwHU1CIGLToli+oQCnWit9U1Hp6CI8cyyOjzxRo2+bdr4fFw9opuO6+ahJ06ThD339o1YsyUmWmVDwPx7AZ5hOc6dCjRV4nXOHX1x5YVFCBvkrA68WsRObYPCpCcqserruCaOtLYePjCCP43Lw1GH21r5pcWh/P1g8S+AGgOFO+ZUoqTAwj1X5+tS27qlM6MGln+2H9c9vA1VsRAG1NOB79+roVmWNRyG8W4YcOaVFxRjwT39YPqpZqD5kdkO4cvtSdz8WDl2VQTIaipnUssLsg2cPywDpw2MoG+JjexME8X5piYs3SC3YwI+4SmtEqMOIWyvn4gYuHvOTjz12h4ZFol+HBMmk2+nfZpjue6yUPG5h+VaWPbIAAztn4XQa9vRmjbwyZcJ3PZsJSpqAmS4TWGjWMvczAihWwbpUjfgSBcPj89Hj/y2oZfeRxpAe4XJsAjb9iUx6s6N2PFjQhL5i8DzRgCo+CkYTNseD6K5yueMCZd0x+y7+iISpJrcFibiPkJYuymO+xZWY/P3vhZhoj/SRKK3q1KxecNF2XhwYgGCxs5nMq1fFbgGpj27E7Ne2SNsmSRW9wVB8Kjc17zqZVmu+64K1enZGSaWPHg0ZILltdLm6cUtaZj3Blj8jzq89WkDvi8L9CxFRs4ig2XhWFzhmguyMWtSAYJ414HrLj9qYtWGWvz+3i0oqxG2pA2B550nHwhaA4fpupcA/FrocfSUAVlY+vCxKCm021WAsrj0oJJMm75PYuX6BNZuTejesnx/qOvy4FIXMycW4rg+to7zrpZLCRHRNGMf2IL319bAdAwFxdeGvv9S6xBL/z9que5MZp7EAZtjzivEc3f1RaZrtCs10zRtWYDQeaxBoTamtOaQDeV1M1GY2/6zByuVkrCSWnc9uxPPv7VXRtISeUtCz5sEoO5gwOV6n6aB50kGA5PHHIYHruuFqGWkOqMORsrp+XcqUMTaytODAU6foKjkJ17Zg6kv7Iav9PhwUwCMaT0vbxeGZVnnsmm+yIp7uhZh0m964IFreyMinj/I9Kkjsun0bzLOk7LJwMzFP+Cx137ULaL+TsQ8MfS8t1qvcTD/kWmaF8Oy5gl4C8BlZxVg5k1HoHdJJFUmuyisOgQtaxgyZDKwr8rDA/+1C4uXl0NGlUT6c8rk0PNeFZLuKnC5zzRN8yJY1lxm7o1AYejRWbhnfG/86uQ8RF3SmiYthjr1arMbfsqNDNE8wIp/1WDWoh/wyfoaPfolojLRI6HnvQ7oT41trIOIbbrXss41DWM6gJPDQCGvm4VLzyjEv48sxhmDs/W8MIirFMt2tlpT02BFZCYH/N/XMby0vBxLP6rQZGbKoAjYwET3hcnk/7T3JaKj5Gxvg6Wm696Rkr+cIw1hj0IXJw/Mxugz8nHOSXma4iPyXUfAp6acLUziV74S1idCfPZFLZZ+XIXVX9dhT3kSbJDU6XoAb4aeNwPANx2BblPHOzlu13ScEUQ0mZlPVQoRUoxoxERejoVhR2fhhP4Z6N8zitxcC46QkJS2gFFbF2L7j3Gs29aItZtjqKz10RgP9dc3g8gnwhpmnhd63rKufqjt7HDb20uuaduXkGFcxeDhzMhgJSO9Ay4mg1LSV0RUUkE+yRwIo9R0lwzECbSGlXo59H2pGjLb67L9HODpxQth230sopEgOpuBI8CcB1CmkCqkw9JnquNWVHYDiGoI2A2ilUEQvI0g+BZAWZfRNrvxlwBPLyPzjGzZhEnUi4lKDOZuANIDGk8R1RPzvpD5B/i+gK0FkPw5gNPP/D9uqfLHb1f3JQAAAABJRU5ErkJggg==) no-repeat;background-size:100%;z-index:2}.practice_refresh[data-v-7dc18b21]:hover{cursor:pointer}.practice_card[data-v-7dc18b21]{position:absolute;z-index:2;-webkit-animation:fade-data-v-7dc18b21 .5s linear .5s;animation:fade-data-v-7dc18b21 .5s linear .5s;-webkit-animation-fill-mode:both;animation-fill-mode:both}@-webkit-keyframes fade-data-v-7dc18b21{0%{left:-50%}to{top:50%;left:50%;opacity:1}}@keyframes fade-data-v-7dc18b21{0%{left:-50%}to{top:50%;left:50%;opacity:1}}.practice_tool--time[data-v-7dc18b21]{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;position:relative;width:10rem;height:5.8125rem;background-color:rgba(0,0,0,.5);border:.03125rem solid hsla(0,0%,100%,.25);border-radius:.25rem}.practice_tool--time span[data-v-7dc18b21]:first-of-type{font-family:PingFang SC;font-weight:500;font-size:.875rem;line-height:1.25rem;color:#fff}.practice_tool--time span[data-v-7dc18b21]:last-of-type{width:6.25rem;height:2rem;margin-top:.5625rem;background:hsla(0,0%,100%,.8);border-radius:.125rem;font-family:PingFang SC;font-weight:600;font-size:1rem;line-height:2rem;text-align:center;color:#333}.practice_tool--time[data-v-7dc18b21]:after{position:absolute;content:"";bottom:-.5125rem;left:1rem;width:1rem;height:.5rem;background-color:rgba(0,0,0,.5);-webkit-clip-path:polygon(0 0,100% 0,50% 100%,0 0);clip-path:polygon(0 0,100% 0,50% 100%,0 0)}.cloudDesktopDialog .el-dialog--center{border-radius:.3125rem!important;padding:0 .75rem}.cloudDesktopDialog .el-dialog--center .el-dialog__title{font-size:1.5rem;font-weight:500}.cloudDesktopDialog-dialog-footer{width:60%;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;margin:0 auto .625rem;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between}.cloudDesktopDialog-Text{font-size:.875rem}.cloudDesktopDialog-clone{color:#b4742f}.cloudDesktopDialog-clone,.cloudDesktopDialog-verify{width:6.875rem;height:2.375rem;line-height:2.25rem;border:.125rem solid #b4742f;border-radius:1.875rem;cursor:pointer}.cloudDesktopDialog-verify{color:#fff;background-color:#b4742f}