body{
    margin: 0px 0px;
    font-family: Arial, sans-serif;
    margin-top: 0px;
}

header{
    width: 100%;
    height: 90px;
    position: sticky;
    top: -30px;
    z-index: 1000;
}

.header-top{
    background-color: #737373;
    width: 100%;
    height: 30px;
}

.header-content{
    background-color: white;
    width: 100%;
    height: 60px;
    display: flex;
}

.header-left{
    flex: 2;
    display:flex;
    justify-content: center;
    align-items: center;
}

.header-center{
    flex: 5;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-center ul {
    display: flex;          /* chuyển sang flexbox */
    justify-content: center;/* căn giữa các mục */
    gap: 60px;              /* khoảng cách giữa các li */
    margin: 0;
    padding: 0;
    list-style: none;
}

.header-center ul li{
    line-height: 60px;
    font-weight: bold;
    gap: 60px;
}

.header-right{
    flex: 2.8;
    display: flex;
    align-items: center;
}

.search{
    position: relative;
    width: 400px; 
    display:flex;
    align-items: center;
}

.search input {
    margin-left: 10px;
    border-radius: 40px;
    border: 1px solid #CCC;
    width: 250px;       /* chiều rộng */
    height: 50px;       /* chiều cao */
    padding: 0 15px;    /* khoảng cách bên trong */
    font-size: 15px;    /* cỡ chữ */
    transition: border 0.3s ease;
}

.search input:hover {
    border: 2px solid #333;
}

.search i {
    position: absolute;
    right: 130px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

main{
    width: 100%;
    height: 2000px;
    background-color: #737373;
    margin-top: 0px;
}

.banner-1{
    width: 100%;
    height: auto;
}

.banner-1 a {
    width: 100%;
    height: auto;
    background-color: blue;
}

.banner-1 img{
    width: 100%;
    height: 100%;
    display: block;
    margin: 0;
    padding: 0;
}

.categories{
    width: 100%;
    height: 115px;
    background-color: #FFF;
    display: flex;
    align-items: end;
}

.cate-wrap{
    width: 100%;
    margin: 0 auto;
    padding: 0;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
}

.cate-item{
    width: 75px;
    height: 75px;
    border-radius: 40px;
    border: 2px solid #7F58E9;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.cate-item img{
    width: 70px;
    height: 70px;
    border-radius: 40px;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

footer{
    width: 100%;
    height: 558px;
    background-color: pink;
}