html, body {
    margin: 0;
    padding: 0;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "PingFang SC", "Microsoft Yahei", sans-serif;
    background-color: #0a1628;
    color: #fff;
}

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

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-3, .col-md-6 {
    padding: 0 15px;
    box-sizing: border-box;
}

.col-md-3 {
    width: 25%;
}

.col-md-6 {
    width: 50%;
}

.navbar {
    background: #112240;
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-size: 20px;
    font-weight: bold;
    color: #00d4ff;
    letter-spacing: 2px;
}

.navbar-menu {
    display: flex;
    gap: 30px;
}

.navbar-menu a {
    color: #8892b0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: #00d4ff;
}

.navbar-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #00d4ff;
}

section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
}

.header-line {
    width: 80px;
    height: 3px;
    background: #00d4ff;
    margin: 0 auto;
}

.info-card {
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    padding: 30px;
}

.info-card h3 {
    color: #00d4ff;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

.info-card p {
    color: #8892b0;
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}

#business {
    background: rgba(0, 0, 0, 0.3);
}

.business-card {
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    padding: 25px;
}

.business-card h4 {
    color: #00d4ff;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}

.business-card p {
    color: #8892b0;
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

#cta {
    padding: 40px 0;
}

.cta-card {
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
}

.cta-card h2 {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-primary {
    background: linear-gradient(to right, #00d4ff, #00b8e6);
    color: #0a1628;
    padding: 12px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #00d4ff;
    border: 1px solid #00d4ff;
    padding: 12px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
}

.footer {
    background: #112240;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer p {
    color: #5a6378;
    font-size: 13px;
    margin: 0;
}

.footer a {
    color: #5a6378;
    text-decoration: none;
}

.footer a:hover {
    color: #00d4ff;
}

@media (max-width: 768px) {
    .navbar-menu {
        gap: 15px;
    }
    
    .col-md-3, .col-md-6 {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .info-card, .business-card {
        padding: 20px;
    }
}