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

body {
    font-family: Arial, Tahoma, sans-serif;
    background: #f5f7fb;
    color: #182033;
    line-height: 1.8;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

.top-header {
    background: #06162e;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-size: 25px;
    font-weight: bold;
    color: #22d3ee;
}

.navbar {
    display: flex;
    gap: 18px;
}

.navbar a {
    color: #fff;
    text-decoration: none;
}

.navbar a:hover {
    color: #22d3ee;
}

.hotline,
.call-btn {
    background: #22d3ee;
    color: #06162e;
    padding: 9px 20px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
}

.menu-btn {
    display: none;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 28px;
}

.page-hero {
    background: linear-gradient(135deg, #06162e, #0f3b63);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 12px;
}

.page-hero p {
    color: #dbeafe;
    font-size: 18px;
    margin-bottom: 20px;
}

.content-box {
    background: #fff;
    padding: 40px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    margin-top: 50px;
    margin-bottom: 50px;
}

.content-box h2 {
    color: #06162e;
    margin: 25px 0 10px;
}

.content-box h2:first-child {
    margin-top: 0;
}

.features,
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.features div,
.cards div {
    background: #eef9fc;
    border: 1px solid #c8f3fb;
    padding: 18px;
    border-radius: 18px;
    font-weight: bold;
}

ul {
    padding-right: 22px;
}

.map-box {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
}

footer {
    background: #06162e;
    color: #dbeafe;
    padding: 25px 0;
    text-align: center;
}

@media (max-width: 768px) {
    .navbar {
        display: none;
        position: absolute;
        top: 75px;
        right: 0;
        width: 100%;
        background: #06162e;
        flex-direction: column;
        padding: 20px;
    }

    .navbar.active {
        display: flex;
    }

    .menu-btn {
        display: block;
    }

    .hotline {
        display: none;
    }

    .features,
    .cards {
        grid-template-columns: 1fr;
    }

    .content-box {
        padding: 25px;
    }

    .page-hero h1 {
        font-size: 34px;
    }
}