*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#f5f5f5;
    font-family:Arial, Helvetica, sans-serif;
}

/* ===========================
   Khung website
=========================== */
.container{
    width:min(95%, 900px);
    min-height:100vh;
    margin:30px auto;
    padding:8px;
    background:#fff;
    border-radius:8px;
}

/* ===========================
   Ảnh nền
=========================== */
.image_background img{
    display:block;
    width:100%;
    height:auto;
    object-fit:cover;
    border-radius:10px;
}

/* ===========================
   Header
=========================== */
.header_info{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    margin:20px 0 30px;
    flex-wrap:wrap;
}

/* ===========================
   Bên trái
=========================== */
.left_info{
    display:flex;
    align-items:center;
    gap:15px;
    min-width:0;
}

.header_profile{
    width:110px;
    height:110px;
    border:3px solid #ff5858;
    border-radius:50%;
    overflow:hidden;
    flex-shrink:0;
}

.header_profile img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.left_info h1{
    color:#1E50A2;
    font-size:clamp(24px,4vw,38px);
    word-break:break-word;
}

/* ===========================
   Mạng xã hội
=========================== */
.right_info{
    display:flex;
    align-items:center;
    gap:15px;
    flex-wrap:wrap;
}

.right_info a{
    display:block;
}

.logo_social{
    width:55px;
    height:55px;
    flex-shrink:0;
}

.logo_social img{
    width:100%;
    height:100%;
    object-fit:contain;
}

/* ===========================
   Giới thiệu
=========================== */
.company-box {
    border: 2px solid #ff5858;
    border-radius: 10px;
    padding: 30px;
    margin: 30px auto;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.company-box h2 {
    color: #ff5858;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.company-box p {
    line-height: 1.8;
    text-align: justify;
    color: #333;
}
#bang_gia_dich_vu{
    width: 100%;
    height: auto;
    border: solid 2px #ff5858;
    margin-top:20px;
}
#bang_gia_dich_vu a{
    text-decoration: none;
    color: black;
}
#bang_gia_dich_vu th,
#bang_gia_dich_vu td {
    text-align: center;
    vertical-align: middle;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ff5858;
    padding: 10px;
}
th {
    background-color: #1E50A2; 
    color: white; 
    text-align: center;
}
td {
    text-align: right; 
}
/* ===========================
   Tablet
=========================== */
@media (max-width:768px){

    .container{
        width:95%;
        margin:15px auto;
        padding:10px;
    }

    .header_info{
        flex-direction:column;
        align-items:center;
        text-align:center;
    }

    .left_info{
        flex-direction:column;
        justify-content:center;
        gap:12px;
    }

    .right_info{
        justify-content:center;
    }

    .header_profile{
        width:90px;
        height:90px;
    }

    .logo_social{
        width:45px;
        height:45px;
    }

    .bio_box h2{
        font-size:20px;
    }
}

/* ===========================
   Mobile
=========================== */
@media (max-width:480px){

    .container{
        width:98%;
        padding:6px;
    }

    .header_profile{
        width:75px;
        height:75px;
    }

    .left_info h1{
        font-size:22px;
    }

    .logo_social{
        width:38px;
        height:38px;
    }

    .bio_box h2{
        font-size:18px;
    }
}