/* 自定义样式 */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
                url('../images/mian-banner-01.png') center/cover;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

a {
    color: blue; /* 设置链接颜色为蓝色 */
    text-decoration: none; /* 去掉下划线 */
}

a:hover {
    color: green; /* 鼠标悬停时链接颜色变为绿色 */
    text-decoration: underline; /* 鼠标悬停时显示下划线 */
}

.card {
    transition: transform 0.3s;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.card:hover {
    transform: translateY(-10px);
}

.case-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}
.case-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background: rgba(0,123,255,0.9);
    color: white;
    padding: 20px;
    transition: bottom 0.3s;
}
.case-card:hover .case-overlay {
    bottom: 0;
}

.navbar {
    transition: background 0.3s;
}
.navbar.scrolled {
    background: rgba(0,0,0,0.9) !important;
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 120px;
    }
}