/* itacen 品牌自定义样式 */
body {
    background-color: #1a1a1a;
    color: #e0e0e0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    border-bottom: 2px solid #00aaff;
}

.navbar-brand .brand-text {
    font-size: 1.8rem;
    font-weight: bold;
    color: #00aaff;
    text-transform: uppercase;
}

.navbar-dark .navbar-nav .nav-link {
    color: #ccc;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #00aaff;
}

.dropdown-menu-dark {
    background-color: #2a2a2a;
    border: 1px solid #444;
}

.dropdown-item {
    color: #ccc;
}

.dropdown-item:hover {
    background-color: #00aaff;
    color: #000;
}

/* 首页英雄区 */
.hero-section {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a3a4a 100%);
    padding: 60px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    text-align: center;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #00aaff;
}

.hero-section .lead {
    font-size: 1.3rem;
    color: #ddd;
}

/* 分类卡片 */
.category-card {
    background-color: #2a2a2a;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 20px;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,170,255,0.3);
}

.category-card i {
    font-size: 3rem;
    color: #00aaff;
    margin-bottom: 10px;
}

.category-card h3 {
    font-size: 1.3rem;
    color: #fff;
}

/* 产品卡片 */
.product-card {
    background-color: #2a2a2a;
    border: 1px solid #444;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
}

.product-card:hover {
    border-color: #00aaff;
    box-shadow: 0 5px 15px rgba(0,170,255,0.4);
}

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

.product-card .card-body {
    padding: 15px;
}

.product-card .card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 5px;
}

.product-card .price {
    font-size: 1.3rem;
    color: #00aaff;
    font-weight: bold;
}

.product-card .btn-outline-primary {
    color: #00aaff;
    border-color: #00aaff;
}

.product-card .btn-outline-primary:hover {
    background-color: #00aaff;
    color: #000;
}

/* 分页 */
.pagination .page-link {
    background-color: #2a2a2a;
    border-color: #444;
    color: #ccc;
}

.pagination .page-item.active .page-link {
    background-color: #00aaff;
    border-color: #00aaff;
    color: #000;
}

/* 内容区 */
.content {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #00aaff;
}

/* 技术支持页面 */
.support-section {
    background-color: #2a2a2a;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 20px;
}

.support-section h2 {
    color: #00aaff;
    border-bottom: 2px solid #444;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 20px;
}

.faq-item h4 {
    color: #fff;
    font-size: 1.2rem;
}

.faq-item p {
    color: #aaa;
}

/* 联系信息 */
.contact-info {
    list-style: none;
    padding: 0;
}

.contact-info li {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.contact-info i {
    color: #00aaff;
    width: 30px;
}