body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: #1B2132;
    color: #333;
}

a {
    color: #FFF;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

header {
    background: #131724;
    color: #FFF;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);

}

.header-flex-box {
    margin: 0 auto;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header h1 {
    margin: 0;
    font-size: 1.8em;
    font-weight: bold;

}

header p {
    margin: 0;
    font-size: 1em;

}

header img {
    border-radius: 10px;
    width: 120px;

}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;

}

.content {
    margin-bottom: 40px;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: linear-gradient(to right, #2B334B, #131724);
    position: relative;
}

.content img {
    position: absolute;
    top: 0;
    left: 0;
}

.content .button {
    display: flex;
    justify-content: end;
    width: 100%;
}

.content a {
    color: #FFF;
    background-color: #E6601B;
    padding: 10px 12px;
    border-radius: 5px;
    line-height: 12px;
    font-size: .8em;
    margin-left: 12px;
}

.button>a:nth-child(1) {
    background-color: #000;
}

h2 {
    color: #FFF;
    font-size: 1.2em;
    margin-bottom: 20px;
}

p {
    line-height: 1.6;
    color: #b0bbcc;

}

.features {
    display: flex;
    /* flex-wrap: wrap; */
    justify-content: space-between;
    margin-bottom: 40px;
}

.feature-item {
    background: #3A425C;
    border-radius: 8px;
    padding: 20px;
    margin: 10px;
    flex: 1 1 calc(33% - 20px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.feature-item img {
    width: 100px;
    border-radius: 50%;
    margin-bottom: 10px;
}

.feature-item h3 {
    margin-top: 0;
    color: #FFF;
}

.feature-item a {
    border: 2px solid #E6601B;
    color: #E6601B;
    padding: 8px 12px;
    border-radius: 8px;
    line-height: 12px;
}

.cta {
    text-align: center;
    margin: 40px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta a {
    background: linear-gradient(135deg, #007bff, #6610f2);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    text-align: center;
    font-size: .68em;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.3s ease;
    margin-top: 20px;
}

.cta a:hover {
    background: linear-gradient(135deg, #0056b3, #4b0082);
    transform: translateY(-5px);
}

footer {
    background: #131724;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
}

.nav-text {
    text-align: center;
    margin: 0;
    color: #FFF;
    font-size: 1.2em;
    font-weight: 500;
    transform: translateX(-15px);
}

.nav-text i {
    display: inline-block;
    vertical-align: middle;
    width: 72px;
    height: 72px;
    transform: scale(.36);
    background-image: url('../image/btdh.png');
}

.nav-text .BTDH {

    background-position: -532px -815px;
}

.nav-text .DZJND {


    background-position: -831px -595px
}

.nav-text .DHYXTG {
    background-position: -907px -291px;
}

.nav-text .DHKHFK {
    background-position: -456px -815px;
}

.logo-list {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.logo-list a {
    width: 12%;
}

.logo-list>a>img {
    width: 100%;
}

.link-box {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
    border-bottom: 1px solid #5d6782;
    padding-bottom: 20px;
}

.link-box>.list {
    display: flex;
    flex-direction: column;
}

.link-box>.list>h4 {
    color: #5d56f6;
}

.link-box>.list>a {
    margin-bottom: 8px;
    font-size: .8em;
}

@media (max-width: 768px) {
    .features {
        flex-direction: column;
        align-items: center;
    }

    .feature-item {
        flex: 1 1 100%;
    }

    .logo-list a {
        width: 30%;
        margin-bottom: 10px;
    }
}