/* 全局样式 */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    overflow-x: hidden;
}

/* 主页中央内容 */
.main-content {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    animation: fadeIn 2s ease-in-out;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.welcome-text {
    font-size: 3rem;
    color: #333;
    margin-bottom: 20px;
    animation: slideIn 1.5s ease-in-out;
}

.sub-text {
    font-size: 1.2rem;
    color: #666;
    animation: slideIn 2s ease-in-out;
}

/* 向下滚动后显示的内容 */
.scroll-content {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(50px);
    transition: opacity 1s ease, transform 1s ease;
    position: relative;
    z-index: 2;
}

.scroll-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.link-section {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.animated-link {
    font-size: 1.5rem;
    color: #409EFF;
    text-decoration: none;
    padding: 10px 20px;
    border: 2px solid #409EFF;
    border-radius: 5px;
    transition: background 0.3s ease, color 0.3s ease;
}

.animated-link:hover {
    background: #409EFF;
    color: #fff;
}

.resume-section {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.resume-section h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.pdf-gallery {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.pdf-image {
    width: 100%;
    max-width: 300px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.pdf-image:hover {
    transform: scale(1.05);
}

.info-container {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.info-container h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.info-container p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 10px;
}

.source-code-link {
    color: #409EFF;
    text-decoration: none;
    font-weight: bold;
}

.source-code-link:hover {
    text-decoration: underline;
}

/* 备案信息 */
.footer {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 3;
}

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

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 星星样式 */
.star1 {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 1100px;
    left: 300px;
}

.star2 {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 1100px;
    left: 1500px;
}