*{
    margin: 0px;
    padding: 0px;
}
.header {
    background-color: #ff0000;
    height: 80px;
}
.container {
    max-width: 1230px;  
    width: 100%; 
    margin: 0 auto;
    padding: 0px;  
    box-sizing: border-box;
}
.logo img {

    height: 50px;
    width: 100px;

}
.navbars_pc{
    display: flex;
    position: relative;
    top:20px;
}
.navbars_pc-list {
    display: flex;
    list-style: none;
    gap: 50px;
    position: absolute;
    top: 20px;
    left: 200px;
}
.navbars_pc-item a{
    text-decoration: none;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 15px;
}
.navbars_mobile {
    display: none;
}
.logo_chu {
    position: absolute;
    top: 3%;    
    color: white;
    font-size: 30px;
    font-weight: bold;
}

.nav_overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0,0.3);
    display: none;
    animation: fakein linear 0.2s;
    z-index: 1000;
}
.navbars_mobile_ {
    position: fixed;
    top:0px;
    right: 0;
    bottom: 0;
    width: 360px;
    max-width: 100%;
    background-color:#ffff;
    border-left: 2px solid #ccc  ;
    transform: translatex(100%);
    opacity: 0;
    z-index: 1000;
    transition: transform linear 0.2s , opacity linear 0.2s;
}
.navbars_moblie-list {
    margin-top: 24px;
    
}
.navbars_moblie-list span {
    font-size: 30px;
    padding: 0px 149px;
    font-weight: bold;
    
}
.chu {
    border: 2px solid #cccc;
    border-left: none;
    border-top: none;
    border-right: none;
    padding-bottom: 10px;
}
.slider {
    position: relative;
    width: 100%;
    max-width: 1000px;
    aspect-ratio: 16 / 9; 
    margin: 10px auto;
    overflow: hidden;
    border-radius: 15px;       
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.slides img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: none;
}

.slides img.active {
    display: block;
}


.dots {
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
}

.dot {
    height: 12px;
    width: 12px;
    margin: 0 6px;
    background-color: rgba(255,255,255,0.6);
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: 0.3s ease;   
}

.dot.active {
    background-color: red;
    transform: scale(1.2);  
}
.navbars_mobile-item {
    border: 1px solid #cccc;
    padding: 10px;
    text-align: center;
    cursor: pointer;
}
.navbars_mobile-item a {
    text-decoration: none;
    color: black;
    font-weight: bold;
    cursor: pointer;
}
.navbars_mobile-close i{
    font-size: 30px;
    padding-top: 10px;
    cursor: pointer;
}
.navbars-input:checked ~ .nav_overlay {
    display: block;
}
.navbars-input:checked ~ .navbars_mobile_ {
    transform: translateX(0%);
    opacity: 1;
}

@keyframes fakein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
.container h2{
    width: 100%;
    text-align: left;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 20px;
}
.container p {
    width: 100%;
    font-size: 18px;
    text-align: left;
    margin-bottom: 10px;
}
.container img {
    width: 100%;
    padding-bottom: 20px;
    padding-top: 5px;
}
.contact {
    width: 600px;
    margin: 40px auto;
}

.contact h2 {
    text-align: center;
    margin-bottom: 20px;
}

.contact-form {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.contact-form button {
    width: 100%;
    padding: 10px;
    background: #ff0000;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.contact-form button:hover {
    background: #cc0000;
}
.map {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    text-align: center;
}

.map iframe {
    width: 100%;
    height: 400px;
    display: block;
}
.block {
    max-width: 1230px;
    width: 100%;
    height: auto;
    display: flex;
    gap: 20px;
    border: 1px solid black;
    padding: 10px;
    margin-top: 20px;
    text-align: center;
    border-left: none;
    border-right: none;
    border-bottom: none;
}
.thuoctinh {
    width: 25%;
    height: 100%;
    background-color: white;
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
    padding: 3px;
    
}
.block1 {
    width: 100%;
    height: 350px;
    background-color: white;
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
    justify-content: center;
    
    border-radius: 15px; 
    overflow: hidden;
}
.block1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.intro h1{
    font-family: Arial, Helvetica, sans-serif;
}
.btn {
    height: 30px;
    max-width: 100px;
    width: 100%;
    border: 2px solid black ;
    background-color: #ff0000;
    padding-top: 8px;
    border-radius: 10px;
    margin: 8px auto;
}
.btn a {
    text-decoration: none;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
}

@media (max-width: 1023px) {
    .block {
        display: flex;
        flex-direction: column;
        height: auto;
    }
    .thuoctinh {
        width:95% ;
        height: auto;
    }
    .container p {
        width: 0%;
        font-size: 18px;
        text-align: left;
        margin-bottom: 10px;
    }
    .container img {
        width: 40%;
        height: auto;
        display: block;
    }
    .logo_mobile .logo_mobile- {
        width: 80px;
        height:80px;
    }   
    .navbars_btn {
        display: block;
        color: white;
        font-size: 34px;
        position: absolute;
        top:22px;
        right: 10px;
        cursor: pointer;
    }
    .navbars_mobile .logo img {
        display: block;
        margin: 17px 20px;
    }
    .navbars_mobile{
        display: block;
    }
    .navbars_mobile-item{
        display: block;
    }
    .navbars_pc {
        display: none;
    }
    .logo_chu {
        width: 100%;
        text-align: center;
    }

}
.container h2{
    width: 100%;
    text-align: left;
    padding-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 20px;
}
.container p {
    width: 100%;
    font-size: 18px;
    text-align: left;
    margin-bottom: 10px;
}
.container img {
    width: 100%;
    padding-bottom: 20px;
    padding-top: 5px;
}