:root {
    --primary-orange: #FF6B35;
    --primary-blue: #1E3A8A;
    --light-bg: #F8F9FA;
    --dark-text: #212529;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--dark-text);
    background-color: #fff;
}

.navbar-custom {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0f2c6d 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    color: white !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-orange) !important;
}

.section-title {
    color: var(--primary-blue);
    border-left: 5px solid var(--primary-orange);
    padding-left: 15px;
    margin-bottom: 30px;
    font-weight: 700;
}

.card-custom {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.news-img {
    height: 200px;
    object-fit: cover;
    width: 100%;
}

.btn-primary-custom {
    background-color: var(--primary-orange);
    border-color: var(--primary-orange);
    font-weight: 600;
    padding: 10px 25px;
    color: #fff;
}

.btn-primary-custom:hover {
    background-color: #e55a2b;
    border-color: #e55a2b;
    color: #fff;
}

.footer {
    background-color: var(--primary-blue);
    color: white;
    padding: 50px 0 20px;
    margin-top: 60px;
}

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

.footer a:hover {
    color: white;
    text-decoration: underline;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 30px;
    text-align: center;
    color: #aaa;
    font-size: 0.9rem;
}