@charset "UTF-8";.tui-search,.tui-search-input{position:relative}.tui-search-input{overflow:hidden;border-radius:var(--wg-corner3);height:30px;line-height:30px;padding-right:48px;transition:background-color .2s ease-in;background-color:var(--color-op-10)}.tui-search-input>input{padding:2px 5px 3px 15px;font-size:13px;line-height:18px;height:30px;background-color:transparent;cursor:text;color:var(--color-text-5);border:none;outline:0;display:block;width:100%;font-weight:400}.tui-search-input.focus,.tui-search-input:hover{color:var(--color-text-5)}.tui-search-input>input::-ms-clear,.tui-search-input input[type=text]::-ms-clear{display:none}.tui-search-input>input:nth-last-child(2){padding-right:2px}.tui-search-input>input::-webkit-input-placeholder{color:var(--color-op-60);font-size:13px;font-weight:400}.tui-search-input>input:focus,.tui-search-input>input.focus{color:var(--color-text-5)}.tui-search-submit{position:absolute;top:50%;right:0;width:40px;height:30px;margin-top:-15px;cursor:pointer}.tui-search-submit:before{content:"";width:2px;height:6px;border-radius:300px;background-color:var(--color-text-5);position:absolute;top:16px;left:50%;margin-left:5px;transform:rotate(-45deg);box-sizing:border-box}.tui-search-submit:after{content:"";width:12px;height:12px;border-radius:50%;border:2px solid var(--color-text-5);position:absolute;top:7px;left:50%;margin-left:-6px;box-sizing:border-box}.tui-search .dropdown-menu{position:absolute;top:35px;left:0;width:100%;max-height:200px;overflow:hidden;overflow-y:auto;background:var(--color-fill-1);z-index:20;box-shadow:0 0 10px #0000001f;display:none;border-radius:var(--corner-2)}.tui-search .dropdown-menu ul{position:relative;width:100%;clear:both;overflow:hidden}.tui-search .dropdown-menu li{height:30px;line-height:30px;display:block;margin-top:-1px;width:100%;transition:background-color ease-out .2s;overflow:hidden;cursor:pointer}.tui-search .dropdown-menu li a{display:block;height:30px;color:var(--color-text-2);line-height:30px;font-size:var(--font-size-xs);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:8px}.tui-search .tui-none-text{padding:20px;text-align:center}.tui-search .icon-delete{position:absolute;right:30px;top:0px;cursor:pointer;opacity:.4;display:none;width:22px;height:30px;transition:opacity .15s ease-in;z-index:1}.tui-search .icon-delete:before{content:"";width:10px;height:10px;position:absolute;top:50%;left:50%;margin:-5px 0 0 -5px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='32' height='32' viewBox='0 0 32 32'%3E%3Cdefs%3E%3CclipPath id='clip-path'%3E%3Crect width='32' height='32' transform='translate(946 538)' fill='none'/%3E%3C/clipPath%3E%3C/defs%3E%3Cg transform='translate(-946 -538)' clip-path='url(%23clip-path)'%3E%3Cg transform='translate(783.103 -219.412) rotate(45)'%3E%3Cpath d='M5923.805,1361.164h32' transform='translate(-5266.805 -941.163)' fill='none' stroke='%23000' stroke-linecap='round' stroke-width='5'/%3E%3Cpath d='M0,0H32' transform='translate(673 404) rotate(90)' fill='none' stroke='%23000' stroke-linecap='round' stroke-width='5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E%0A");background-repeat:no-repeat;background-size:100% auto;background-position:50% 50%}.theme-cn-dark .tui-search .icon-delete{filter:invert(1)}@media (prefers-color-scheme: dark){.tui-search .icon-delete{filter:invert(1)}}.tui-search .icon-delete:hover{opacity:1}.tui-search .dropdown-menu{max-height:330px;width:180px;left:auto;right:0}.tui-search .dropdown-menu .icon-close{width:22px;height:22px;display:inline-block;position:absolute;top:4px;right:8px;opacity:0;cursor:pointer}.tui-search .dropdown-menu .icon-close:before,.tui-search .dropdown-menu .icon-close:after{content:"";width:2px;height:12px;position:absolute;top:50%;left:50%;margin:-6px 0 0 -1px;background:var(--color-text-5);transform:rotate(-45deg);border-radius:200px}.tui-search .dropdown-menu .icon-close:after{content:"";width:12px;height:2px;position:absolute;top:50%;left:50%;margin:-1px 0 0 -6px}.tui-search .dropdown-menu .icon-close:hover{opacity:1}.tui-search .dropdown-menu li:hover,.tui-search .dropdown-menu li.hover{background:var(--color-fill-2)}.tui-search .dropdown-menu li:hover>.icon-close,.tui-search .dropdown-menu li.hover>.icon-close{opacity:.7}.tui-search .dropdown-menu li:hover>.icon-close:hover,.tui-search .dropdown-menu li.hover>.icon-close:hover{opacity:1}.tui-search .dropdown-menu span{font-weight:700;font-size:var(--font-size-xs);color:var(--color-text-1);line-height:30px;height:30px;float:left;display:inline}.tui-search .dropdown-menu span.key-words{float:none}.tui-search .dropdown-menu span.key-words:first-child{padding-left:0}.tui-search .dropdown-menu .clear-search{color:var(--color-text-3);font-weight:400;float:right;cursor:pointer}.tui-search .dropdown-menu .clear-search:hover{color:var(--color-text-1)}.tui-search .dropdown-menu .icon-v2,.tui-search .dropdown-menu .icon-v{margin-top:-3px}.tui-search .dropdown-menu .icon-game{font-size:var(--font-size-xs);color:var(--color-text-1);border-radius:var(--corner-1);border:1px solid var(--color-line-4);padding:0 3px;margin-left:5px;height:22px;line-height:20px}.tui-search .dropdown-menu li{float:left;padding:0 20px 0 18px;position:relative}.tui-search .dropdown-menu .hot li{padding-right:5px}.tui-search .dropdown-menu li a{text-align:left;color:var(--color-text-1)}.dropdown-menu.show{display:block}.dropdown-menu.hide,.dropdown-menu.off{display:none}.dropdown-menu.show~.tui-search-input{background-color:var(--color-brand1-5);border:1px solid var(--color-brand1-2)}.dropdown-menu.show{display:block!important;animation:searchmenu-show-anim .2s linear 0s 1 both;pointer-events:auto}@keyframes searchmenu-show-anim{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translate(0)}}@keyframes searchmenu-show-anim-ie{0%{opacity:0}to{opacity:1}}.search-assn .assn-tit{line-height:18px;color:var(--color-text-1);padding-left:18px;margin-top:10px;font-size:var(--font-size-xs);font-weight:700}.search-assn ul li{position:relative}.search-assn ul li.search-new:after{content:"";width:22px;height:12px;display:inline-block;vertical-align:top;margin:8px 0 0 5px;background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAMCAYAAABm+U3GAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyZpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTcgKFdpbmRvd3MpIiB4bXBNTTpJbnN0YW5jZUlEPSJ4bXAuaWlkOjgxMTM5NUFDMDcxQTExRTg4OUNCQkIwNDk4RTc3MDZFIiB4bXBNTTpEb2N1bWVudElEPSJ4bXAuZGlkOjgxMTM5NUFEMDcxQTExRTg4OUNCQkIwNDk4RTc3MDZFIj4gPHhtcE1NOkRlcml2ZWRGcm9tIHN0UmVmOmluc3RhbmNlSUQ9InhtcC5paWQ6ODExMzk1QUEwNzFBMTFFODg5Q0JCQjA0OThFNzcwNkUiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6ODExMzk1QUIwNzFBMTFFODg5Q0JCQjA0OThFNzcwNkUiLz4gPC9yZGY6RGVzY3JpcHRpb24+IDwvcmRmOlJERj4gPC94OnhtcG1ldGE+IDw/eHBhY2tldCBlbmQ9InIiPz43oiBVAAAAaklEQVR42mK8JCj0n4HKQPfdW0YmBhoBJiRb0G2F0+gYn3oYYEGXvCwkjGE7NjFCepjQDUC3Gd3VxAIWbK5DNwCXL2CuxeZqFmy2oRtOjEXogHHIJTfkoGCkRTpmpLaLGf///0+ToAAIMAD2mT5ftjTavgAAAABJRU5ErkJggg==) no-repeat}.search-assn ul{margin:5px 0}.search-assn ul li .tag-num{margin-right:5px;vertical-align:top;margin-top:8px}.tag-num{background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAABKCAYAAACLgWWrAAAAzElEQVRYhe2VQRKDIAxFQ8cNF+itcgqvpZeQbc/VLnXFjAN8Qik4qcPf6fjgk+SLeS+0U4UeNZAy0M472RkfPwnmgCz4WU0dWCIl4Lk4qFBT6qXO4kxEJPsC4N1jFfURNTzsbQSGH6CF+lsVQS9pXttZ9Qotf11VpBErVeA/xyq3iwie7Sr+AyiO1eu5jViVgsxMzAyf2+/YHYR3R+pcWdA5V7RAe6vIwc87jtuqBxj1EU1K2E84AKjxXv3TIVq9Ph1SgCEoVdPr+sk5ADpvRdv5g+mZAAAAAElFTkSuQmCC) no-repeat}.tag-num.num1{background-position:0 0}.tag-num.num2{background-position:0 -15px}.tag-num.num3{background-position:0 -30px}.tag-num.num4{background-position:0 -45px}.tag-num.num5{background-position:0 -60px}.search-assn ul li .icon-close{position:absolute;right:5px;display:none;top:0;font-size:0px;font-family:Tahoma}.search-assn ul li div{position:relative;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;line-height:30px;display:inline-block;max-width:95%;height:30px}.search-assn ul li.search-new div{max-width:80%}.search-assn.history li:hover .icon-close{display:block}.tag-num{width:14px;height:14px;display:inline-block}.fr-header{min-width:1000px;position:relative;z-index:300}body:not(.page-out-client) .fr-header{position:fixed;top:0;left:0;right:0;z-index:300}.page-out-client .fr-header{min-width:1200px}.home-nav{margin:0 auto;width:1000px;padding:31px 0 23px;position:relative;z-index:50;font-family:system-ui,PingFang SC,Open Sans,calibri,Roboto,verdana,Hiragino Sans GB,Microsoft YaHei UI,Microsoft YaHei,sans-serif}.home-nav:after{content:"";display:block;width:0;height:0;font-size:0;overflow:hidden;clear:both}.main-nav{position:relative;min-height:40px}.main-nav .tui-nav *{user-select:none!important}.main-nav:after{content:"";clear:both;display:block;width:0;height:0}.main-nav>li{float:left;margin:0 4px 0 0}.main-nav>li>a{position:relative;color:var(--color-op-60);height:30px;line-height:30px;display:inline-block;font-size:14px;padding:0 18px;min-width:58px;text-align:center;border-radius:var(--wg-corner3);transition:background-color .15s ease-in;font-weight:700}.main-nav>li>a:hover{background-color:var(--color-op-10);color:var(--color-text-5)}.main-nav>li.cur>a{color:var(--color-text-5);font-weight:700;background-color:var(--color-op-10)}html:lang(en-US) .main-nav>li>a{padding:0 12px}.main-nav .drop{position:relative;min-height:40px;cursor:pointer}.main-nav .drop>a{position:relative;color:var(--color-op-60);height:30px;line-height:30px;display:inline-block;font-size:14px;padding:0 28px 0 15px;border-radius:var(--wg-corner3);transition:background-color .15s ease-in;font-weight:700}.main-nav .drop>a:after{content:"";width:8px;height:8px;border:2px solid var(--color-text-5);border-top:none;border-left:none;opacity:.85;position:absolute;right:9px;top:50%;margin-top:-6px;transform:rotate(45deg);border-radius:1px;box-sizing:border-box}.main-nav .drop>a:hover{background-color:var(--color-op-10);color:var(--color-text-5)}.main-nav .drop:hover .dropdown-menu{opacity:1;transform:translate(0) scale(1);pointer-events:auto;transition:all .1s cubic-bezier(.38,.5,0,1.01);transition-delay:.2s}.main-nav .dropdown-menu{background:var(--color-fill-1);position:absolute;top:32px;left:0;padding:4px;min-width:113px;transition:all 0s ease-out;transition-delay:0s;opacity:0;transform:translateY(-8px) scale3d(.8,.8,.8);pointer-events:none;transform-origin:0 0;border-radius:var(--wg-corner1);box-shadow:0 0 10px #0000001f}.menu-li a{height:30px;line-height:30px;border-radius:var(--wg-corner3);font-size:13px;color:var(--color-text-1);text-align:left;padding:0 8px 0 20px;display:block;transition:background-color .15s ease-out;position:relative;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none}.menu-li a:hover{background:var(--color-fill-3)}.home-nav .tui-nav{float:left}.home-nav .turn-r{float:right;position:relative}.home-nav .tui-search{width:180px;float:right}.home-nav .hot-search{float:right;padding:5px 10px 0 0;width:340px;height:24px;overflow:hidden;text-align:right;font-size:0}.home-nav .hot-search .ico,.home-nav .hot-search .icon{width:16px;height:16px;display:inline-block;vertical-align:middle;margin-right:2px;margin-top:-2px}html:lang(en-US) .home-nav .hot-search{width:320px}.hot-search a{color:var(--color-op-60);padding:0 20px 0 12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:110px;display:inline-block;position:relative;font-size:13px;vertical-align:middle;border-radius:2px;height:19px;line-height:19px}.hot-search a:hover{color:var(--color-brand1-1)}.hot-search a.hot-search-spc{color:var(--color-brand1);font-weight:700}.hot-search a.link-wallpaper,.link-wallpaper{display:inline-block;vertical-align:middle;max-width:140px}.hot-search a.link-wallpaper .icon,.link-wallpaper .icon{width:16px;height:16px;display:inline-block;vertical-align:middle;margin:-2px 3px 0 0;overflow:hidden;font-size:0;opacity:.3}.hot-search a.link-wallpaper .icon svg,.link-wallpaper .icon svg{width:100%;height:100%;display:block}.hot-search a.link-wallpaper:hover .icon,.link-wallpaper:hover .icon{opacity:.6}.ico-promo{position:absolute;right:14px;top:2px;transform:translate(100%);z-index:10}.ico-promo img{height:20px;width:auto;display:block}.ico-promo--txt{height:17px;line-height:17px;font-size:12px;color:#fff;padding:0 2px;background-color:var(--color-brand1-6);border-radius:2px;font-weight:700}.ico-promo--txt img{display:none}.ico-promo--txt:after{content:"";width:0;height:0;border-style:solid;border-width:8px 7px 0 0;border-color:var(--color-brand1-6) transparent transparent transparent;width:0px;height:0px;position:absolute;z-index:-1;left:0;bottom:-3px}.ico-badge{width:6px;height:6px;background:var(--badge-color-fill);border-radius:5px;position:absolute;right:6px;top:4px}.main-nav .ico-new{width:22px;height:12px;position:absolute;right:-10px;top:4px;z-index:10;background:url(data:image/png;base64,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) no-repeat 0 0}.menu-li-txt{position:relative}.menu-li-txt .ico-badge{position:absolute;right:-12px;top:0}.menu-li-txt .ico-new{position:absolute;right:-26px;top:0}.tag-spc-workds{font-size:12px;background:#ff6422;height:12px;line-height:12px;position:relative;padding:2px;box-sizing:content-box;color:var(--color-white);border-radius:2px;display:inline-block;vertical-align:middle;margin:-3px 0 0}.main-nav>li>a{font-size:15px;color:var(--color-op-60)}.main-nav>li>a:hover{color:var(--color-text-5);background-color:var(--color-op-10)}.main-nav>li.cur .drop>a{color:var(--color-text-5);font-weight:700;background-color:var(--color-op-10)}.main-nav>li.cur>a{color:var(--color-text-5);background-color:var(--color-op-10)}.main-nav .drop>a{font-size:15px}.main-nav .drop .ico-promo{right:0}.hot-search a{color:var(--color-op-60);white-space:pre;padding:0 12px;text-overflow:inherit;max-width:114px;white-space:nowrap;box-sizing:content-box;font-size:13px;font-weight:700}.hot-search a:after{content:"";transform:none;height:12px;border:none;background:var(--color-op-10);margin-top:-6px;position:absolute;top:50%;right:auto;left:0;width:1px}.hot-search a:first-child:after{display:none}.hot-search a .tag-spc-workds{margin:-1px 0 0 2px}.hot-search a:hover{color:var(--color-op-100);background:none}.hot-search-txt{white-space:normal;overflow:hidden;text-overflow:ellipsis;max-width:78px;height:19px;line-height:19px;display:inline-block;vertical-align:middle}body:not(.page-out-client):not(.new-detail).mini-menu .home-nav{padding:16px 0 8px}body:not(.page-out-client):not(.new-detail).mini-menu .ico-promo{font-size:0;background:none}body:not(.page-out-client):not(.new-detail).mini-menu .ico-promo img{display:none}body:not(.page-out-client):not(.new-detail).mini-menu .ico-promo:after{display:none}body:not(.page-out-client):not(.new-detail).mini-menu .ico-promo:before{content:"";width:6px;height:6px;background:var(--color-brand1-6);border-radius:5px;position:absolute;right:-4px;top:4px;display:block;animation:fadeIn .15s linear 0s 1 both}body:not(.page-out-client):not(.new-detail).mini-menu .drop .ico-promo:before{right:-6px}body:not(.page-out-client):not(.new-detail).mini-menu .ico-new{background:none}body:not(.page-out-client):not(.new-detail).mini-menu .ico-new:before{content:"";width:6px;height:6px;background:var(--badge-color-fill);border-radius:5px;position:absolute;right:16px;top:0px;display:block;animation:fadeIn .15s linear 0s 1 both}body:not(.page-out-client):not(.new-detail).mini-menu .page-store-cont{margin-top:64px;height:calc(100vh - 64px)}.main-nav .drop>a:after{content:"";width:11px;height:6px;border:none;position:absolute;right:9px;top:50%;margin-top:-3px;transform:none;border-radius:0;box-sizing:border-box;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='6.001' viewBox='0 0 11 6.001'%3E%3Cpath d='M-1983.5,3.6-1978,0V2.4l-5.5,3.6Zm-5.5-1.2V0l5.5,3.6V6Z' transform='translate(1989)' /%3E%3C/svg%3E%0A");opacity:.6}.main-nav .drop>a:hover:after{opacity:1}body.page-in-lenovo .home-nav .hot-search{width:200px!important}.theme-cn-dark .main-nav .drop>a:after,html.theme-cn-dark .main-nav .drop>a:after{filter:invert(1)}@media (prefers-color-scheme: dark){.main-nav .drop>a:after{filter:invert(1)}}.home-nav .tui-search .dropdown-menu li{color:var(--color-text-1)}body:not(.page-ibanner):not(.page-out-client) #widget-header+.page-store-cont{margin-top:0;height:auto;overflow:visible}body:not(.page-ibanner):not(.page-out-client) #widget-header+.page-store-cont .skeleton-panel-ibanner{height:94px}body:not(.page-ibanner):not(.page-out-client) #widget-header+.page-store-cont .fr-header{position:absolute;top:0;left:0;right:0}