.header {
    height: 60px;
    display: flex;
    justify-content: space-between;

    z-index: 200;

        position: fixed;
        top: 0px;
        left: 0px;
        right:0px;

        background-color: white;

     border-bottom: 1px solid #bbbbbb;
    /* background-color: #0562ed; */
}

/* 左部分样式 */
.left-part {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin: 0px 20px 0px 28px;
    min-width: 150px;
    /* 防止flexbox被压缩 */
    flex-shrink: 0;
}
.menuButton {
    /* height: 25px; */
    width: 25px;
    margin: 0px 15px 0px 0px;
}
.youtubeLogo {
    /* height: 22px; */
    width: 100px;
    margin: 0px 0px 0px 10px;
    padding: 0px 0px 1px 0px;
}

/* 中间部分样式 */
.middle-part {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0px 20px 0px 20px;

    flex: 1;
    max-width: 500px;
}
/* 搜索栏 */
.searchBar {
    height: 40px;
    flex: 1 ;
    width:95px;
    border: 1px solid #dedede;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    box-shadow: inset 0px 0px 1px #0000005c;
    padding: 0px 0px 0px 20px;
}
/* 搜索按钮悬停交互效果 */
.searchBar::placeholder {
    color: #919191;
}
/* 输入框点击交互效果(光标定位) */
.searchBar:focus{
    outline: 1px solid #0562ed;
    outline-offset: -1px;
    z-index: 200;
}
.searchBar:focus::placeholder{
    color: #e1e1e1;
}

/* 普通搜索按钮 */
.searchButton-area {
    background-color: #efefef;
    width: 65px;
    height: 40px;
    margin: 0px 5px 0px -1px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #dadada;
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
}
.searchButton {
    height: 24px;
    width: 24px;
}

/* 声音搜索按钮 */
.voiceSearchButton-area {
    margin: 0px 0px 0px 5px;
    height: 40px;
    width: 40px;
    border-radius: 100px;
    background-color: #f2f2f2;
    border: 1px solid #f2f2f2;
    padding: 6px 6px 6px 6px;
}

/* 右部分样式 */
.right-part {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin: 0px 0px 0px 20px;

    /* 防止flexbox被压缩 */
    flex-shrink: 0;
}
.button-1,
.button-2,
.button-3,
.button-4 {
    height: 25px;
    margin: 0px 11px 0px 11px;
}
.button-4 {
    border-radius: 100px;
    height: 30px;
    margin: 0px 30px 0px 11px;
}

/* hover */
.searchButton-area,
.voiceSearchButton-area,
.hover-b-1,
.hover-b-2,
.hover-b-3 {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;

}
.button-4 {
    cursor: pointer;
}
.hover-searchButton,
.hover-voiceSearchButton,
.hover-b-1-text,
.hover-b-2-text,
.hover-b-3-text {
    background-color: #606060;
    padding: 4px 12px 4px 12px;
    border-radius: 2px;
    white-space: nowrap;
    position: absolute;
    bottom: -50px;
    color: white;
    opacity: 0;
    font-size: 1spx;
    transition: opacity 0.15s ease;
         z-index: 200;
}

.searchButton:hover + .hover-searchButton,
.voiceSearchButton:hover + .hover-voiceSearchButton,
.button-1:hover + .hover-b-1-text,
.button-2:hover + .hover-b-2-text,
.button-3:hover + .hover-b-3-text {
    opacity: 1;
}

/* click */
.searchButton-area:active {
    background-color: #e4e4e4;
}

/* number's tag */
.numbers {
    position: absolute;
    top: -4px;
    right: 6px;
    background-color: #d50000;
    width: 18px;
    height: 18px;
    color: white;
    font-size: 11px;
    border: 2px solid white;
    padding: 6px;
    border-radius: 100px;

    display: flex;
    justify-content: center;
    align-items: center;
}