.top-header {
    height: 114px;
    background-color: #fff;
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    z-index: 90;
}

    .top-header .flex-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

        .top-header .flex-header .link-apps {
            display: flex;
            align-items: center;
        }

            .top-header .flex-header .link-apps .link-app {
                margin-left: 30px;
            }

                .top-header .flex-header .link-apps .link-app img {
                    height: 60px;
                    width: auto;
                    object-fit: cover;
                }

.top-header-placeholder {
    height: 114px;
}


.topic-aside {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    /*    background: #FFFFFF;
    box-shadow: 0px 5px 5px 0px rgba(0,0,0,0.1);
    border-radius: 8px;*/
    width: 64px;
    z-index: 990;
}

    .topic-aside .list {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0 5px;
    }

        .topic-aside .list .item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 2px 0;
            cursor: pointer;
            position: relative;
            width: 100%;
        }

            .topic-aside .list .item img {
                max-width: 100%;
            }

                .topic-aside .list .item img.img1:hover {
                    content: url(https://res.apearth.com/img/topic/aside1-active.png);
                }

                .topic-aside .list .item img.img2:hover {
                    content: url(https://res.apearth.com/img/topic/aside2-active.png);
                }

                .topic-aside .list .item img.img3 {
                    animation: blink 3s infinite;
                }

                .topic-aside .list .item img.img3:hover {
                    content: url(https://res.apearth.com/img/topic/aside3-active.png);
                }

            .topic-aside .list .item .text {
                margin-top: 10px;
            }

            .topic-aside .list .item.whatsapp .text {
                font-size: 12px;
                color: #333333;
            }

            .topic-aside .list .item .popover {
                position: absolute;
                right: 100%;
                top: -20px;
                z-index: 9;
                display: none;
                padding: 0 20px 0 0;
            }

                .topic-aside .list .item .popover .popover-box {
                    background: #FFFFFF;
                    box-shadow: 0px 5px 5px 0px rgba(0, 0, 0, 0.23);
                    border-radius: 4px;
                    position: relative;
                }

            .topic-aside .list .item:hover .popover {
                display: block;
            }

            .topic-aside .list .item .popover .popover-box:before {
                position: absolute;
                content: "";
                width: 0px;
                height: 0px;
                right: -8px;
                top: 40px;
                border-style: solid;
                border-width: 10px;
                border-top-color: #fff;
                border-right-color: #fff;
                border-bottom-color: transparent;
                border-left-color: transparent;
                box-shadow: 3px -3px 7px #00000012;
                transform: translateY(-50%) rotate( 45deg);
                background-color: transparent;
            }

            .topic-aside .list .item .popover .qrcode {
                display: flex;
                flex-direction: column;
                align-items: center;
                padding: 15px 20px;
            }

                .topic-aside .list .item .popover .qrcode > img {
                    width: 112px;
                    height: 112px;
                }

                .topic-aside .list .item .popover .qrcode > .tips {
                    font-size: 14px;
                    color: #333333;
                    padding: 10px 0 0;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                }


            .topic-aside .list .item .popover .tools {
                display: flex;
                min-width: 300px;
                min-height: 230px;
            }

                .topic-aside .list .item .popover .tools .tool {
                    padding: 15px 20px;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                }

                    .topic-aside .list .item .popover .tools .tool .tips {
                        padding: 10px 0px;
                    }

@keyframes blink {
    0%, 50%, 100% {
        opacity: 1;
    }

    25%, 75% {
        opacity: .1;
    }
}