*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
:root{
    --primary-color: rgb(0, 168, 132);
    --secondary-color: rgb(92, 59, 232);
    --background-color: rgb(255, 255, 255);
    --section-color: rgb(248, 249, 250);
    --text-color: rgb(51, 51, 51);
    --light-text-color: rgb(100, 100, 100);
    --border-color: rgb(238, 238, 238);
    --font-size: 16px;
    --border-radius: 20px;
    --padding-box: 15px;
}
body{
    font-family: sans-serif;
    background-color: var(--background-color);
    color: var(--text-color); 
    font-size: var(--font-size);  
    line-height: 1.5;
}
a{
    color: inherit;
    text-decoration: none;
}
ul{
    list-style: none;
}
.main_header{
    padding: 15px;
    min-height: 70px;
    border-bottom: 3px solid var(--border-color);
    background-color: var(--background-color);
}
.header_container{
    display: flex;
    max-width: 1200px;
    min-height: 55px;
    margin: auto;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}
.anhlogo a{
    color: var(--primary-color);
    font-size: 25px;
    font-weight: bold;
}

.header_container nav ul{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}
.header_container nav a{
    display: inline-block;
    padding: 10px 12px;
    border: 3px solid transparent;
    border-radius: var(--border-radius);
    transition: 0.3s ease;
}
.header_container nav a:hover{
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    background-color: rgb(240, 252, 249);
}
.header_container nav a.active{
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    background-color: rgb(240, 252, 249);
}
.right_header{
    display: flex;
    align-items: center;
    gap: 10px;
}
.right_header a{
    padding: 10px 12px;
    border: 3px solid transparent;
    border-radius: var(--border-radius);
    transition: 0.3s ease;
}
.right_header a:hover{
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    background-color: rgb(240, 252, 249);
}
.news_section{
    width: 100%;
    min-height: 700px;
    padding: 30px 15px;
}
.news_title{
    max-width: 1200px;
    margin: 0px auto 30px;
    text-align: center;
}
.news_title h1{
    color: var(--primary-color);
    font-size: 35px;
    margin-bottom: 10px;
}
.news_title p{
    color: var(--light-text-color);
    font-size: 16px;
}
.news_menu{
    max-width: 1200px;
    margin: 0px auto 30px;
    display: flex;
    justify-content: center;
}
.news_menu ul{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}
.news_menu a{
    display: inline-block;
    padding: 10px 18px;
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: 0.3s ease;
}
.news_menu a:hover,
.news_menu .news_menu_active{
    color: rgb(255, 255, 255);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}
.news_container{
    max-width: 900px;
    margin: 0px auto 30px;
    justify-content: center;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}
.news_card{
    width: 250px;
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 15px;
    background-color: var(--background-color);
    transition: 0.3s ease;
}
.news_card:hover{
    transform: translateY(-5px);
    box-shadow: 0px 5px 15px rgba(0, 168, 132, 0.15);
}
.news_card h2{
    min-height: 70px;
    color: var(--text-color);
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 15px;
}
.news_img{
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--border-radius);
}
.news_img img{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: 0.3s ease;
    transform: scale(1.05);
}
.news_content{
    padding-top: 15px;
}
.news_type{
    display: inline-block;
    padding: 5px 10px;
    color: rgb(255, 255, 255);
    background-color: var(--primary-color);
    border-radius: 20px;
    font-size: 15px;
}
.news_date{
    margin-top: 10px;
    color: var(--light-text-color);
    font-size: 15px;
}
.news_text{
    margin-top: 10px;
    color: var(--text-color);
    line-height: 1.5;
}
.news_detail_button{
    display: inline-block;
    margin-top: 15px;
    padding: 10px 15px;
    color: rgb(255, 255, 255);
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    transition: 0.3s ease;
}
.news_detail_button:hover{
    background-color: var(--primary-color);
}
.news_detail_section{
    width: 100%;
    min-height: 700px;
    padding: 30px 15px;
    background-color: var(--background-color);
}
.detail_title{
    max-width: 1200px;
    margin: 0px auto 35px;
    text-align: center;
}
.detail_title h1{
    color: var(--primary-color);
    font-size: 35px;
    margin-bottom: 10px;
}
.detail_title p{
    color: var(--light-text-color);
}
.detail_card{
    max-width: 1000px;
    margin: 0px auto 40px;
    padding: 25px;
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--background-color);
    box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.05);
}
.detail_card h2{
    color: var(--text-color);
    font-size: 28px;
    line-height: 1.5;
    margin-bottom: 20px;
}
.detail_img{
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}
.detail_img img{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
.detail_content{
    font-size: 16px;
    line-height: 1.5;
}
.detail_content p{
    margin-top: 15px;
}
.detail_content .news_type{
    margin-top: 0px;
}
.detail_content .news_date{
    margin-top: 10px;
}
.detail_content h3{
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 20px;
}
.main_footer{
    width: 100%;
    padding: 30px 15px;
    background-color: var(--section-color);
    border-top: 3px solid var(--border-color);
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 20px;
}
.footer_box{
    max-width: 300px;
}
.footer_box h3{
    color: var(--primary-color);
    margin-bottom: 10px;
}
.footer_box p{
    color: var(--light-text-color);
    line-height: 1.5;
}
.footer_box a{
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    transition: 0.3s ease;
}
.footer_box a:hover{
    color: var(--primary-color);
}
@media screen and (max-width: 992px){
    .news_container{
        gap: 20px;
    }
    .main_footer{
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .detail_card{
        max-width: 90%;
    }
}
@media screen and (max-width: 768px){
    .header_container{
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    .header_container nav ul{
        flex-wrap: wrap;
        gap: 10px;
    }
    .right_header{
        justify-content: center;
    }
    .news_section{
        padding: 30px 15px;
    }
    .news_title h1{
        font-size: 28px;
    }
    .news_menu ul{
        flex-wrap: wrap;
        gap: 10px;
    }
    .news_container{
        gap: 10px;
    }
    .news_card{
        padding: 10px;
    }
    .news_card h2{
        min-height: auto;
        font-size: 15px;
    }
    .news_img{
        height: 200px;
    }
    .news_detail_button{
        font-size: 14px;
        padding: 7px 10px;
    }
    .detail_title h1{
        font-size: 28px;
    }
    .detail_card{
        max-width: 100%;
        padding: 15px;
        margin-bottom: 25px;
    }
    .detail_card h2{
        font-size: 20px;
    }
    .detail_img{
        height: 250px;
    }
    .main_footer{
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer_box{
        max-width: 100%;
    }
}
@media screen and (max-width: 480px){
    .header_container nav ul{
        gap: 5px;
    }
    .header_container nav a{
        padding: 6px 8px;
        font-size: 14px;
    }
    .right_header a{
        padding: 6px 8px;
        font-size: 14px;
    }
    .news_container{
        gap: 20px;
    }
    .news_title h1{
        font-size: 25px;
    }
    .news_title p{
        font-size: 14px;
    }
    .news_img{
        height: 230px;
    }
    .detail_img{
        height: 220px;
    }
    .detail_content{
        font-size: 15px;
    }
}