html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    scroll-padding-top: 6rem;
    overflow-x: hidden;
}

section {
    padding: 2rem 9%;
}

.banner {
    position: relative;
    text-align: center;
    color: #fff;
    background-image: url('/Images/bg.png'); 
    background-size: cover;
    background-position: center;
    height: 300px; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3); 
}

.banner h1 {
    font-size: 40px;
    z-index: 1; 
}

.contact .row {
    display: flex;
    gap: 1.5rem;
    align-items: stretch; /* Đảm bảo các form có chiều cao bằng nhau */
}

.contact .row h2 {
    text-align: center;
    color: #1891C8;
    font-size: 3rem;
}

.contact .row .mess,
.contact .row .info {
    flex: 1 1 40rem;
    padding: 2rem 2.5rem;
    box-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .1);
    border: .1rem solid rgba(0, 0, 0, .1);
    background: #fff;
    border-radius: .5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.info div {
    display: flex;
    align-items:start ;
    font-size: 2rem;
    margin-bottom: 10px;
    margin-top: 10px;
}

.info .address-container {
    display: flex;
    flex-direction: column; 
    margin-left: 15px;
}

.info .label {
    font-size: 20px; 
    font-weight: bold; 
}

.info .address {
    font-size: 1.5rem; 
    color: #666; 
}

.info i {
    font-size: 20px; 
    color: #fff; 
    background-color: #1891C8; 
    border-radius: 50%; 
    padding: 5px; 
    margin-right: 10px; 
    margin-top: 15px;
}

.nd{
    font-size: 20px;
  
}

.contact .row .mess .box,
.contact .row .info .box {
    padding: 1rem;
    font-size: 1.7rem;
    color: #333;
    text-transform: none;
    border: .1rem solid rgba(0, 0, 0, .1);
    border-radius: .5rem;
    margin: .7rem 0;
    width: 95%;
}

.contact .row .mess textarea {
    height: 15rem;
    resize: none;
}

.contact .row .btn {
    padding: 10px 20px;
    background-color: #1891C8;
    color: #fff; 
    border: none; 
    cursor: pointer; 
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
}

.divider {
    width: 100%;
    height: 1px;
    background-color: #1891C8; 
    margin: 20px 0; 
}
.follow {
    display: flex;
    flex-direction: column; 
}

.follow div {
    display: flex;
    gap: 10px; 
}

.follow span {
    font-size: 2rem;
    margin-bottom: 10px;
}

.map-container{
    margin-top: 20px;
}
.sub {
    display: flex;
    background-color: #f2f2f2; 
    padding: 20px;
}

.gioithieu {
    flex: 1; 

}

.gioithieu h3 {
    color: #1891C8;
    font-size: 20px;

}.gioithieu {
    font-size: 18px;

}
.input-button {
    margin-top: 40px;
    margin-left: 20px; 
}

.input-button input[type="text"] {
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.input-button button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #1891C8; 
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}