/* 自定义样式文件 */

/* 基础样式 */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background-color: #f8f9fa;
    line-height: 1.6;
}

/* 英雄区域背景 */
.hero-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('https://picsum.photos/1920/1080?random=1');
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

/* 项目卡片动画效果 */
.project-card {
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 导航栏固定效果 */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 100;
}

/* 自定义按钮样式 */
.custom-button {
    background-color: #3b82f6;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.custom-button:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 图标样式 */
.icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #3b82f6;
    color: white;
    margin-right: 1rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
    }
    
    .icon-circle {
        width: 40px;
        height: 40px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease-in-out;
}

/* 滚动效果 */
html {
    scroll-behavior: smooth;
}