/* Hero部分样式 */
.hero-section {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    padding: 2rem;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 导航按钮样式 */
.infrastructure-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 2rem 0;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: #f0f0f0;
    color: #333333;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background-color: #e0e0e0;
}

.nav-button.active {
    background-color: #007bff;
    color: #ffffff;
}

/* 内容区域样式 */
.infrastructure-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-title {
    font-size: 2rem;
    color: #333333;
    margin-bottom: 2rem;
    text-align: center;
}

.solutions-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}