/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 个人资料卡片 */
.profile-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    margin-bottom: 40px;
}

/* 顶部那个蓝色的圆圈，可以当作你的占位头像 */
.avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #3498db, #8e44ad); /* 加了个渐变色好看点 */
    border-radius: 50%;
    margin: 0 auto 20px;
}

h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.description {
    color: #555;
    max-width: 600px;
    margin: 0 auto;
}

/* 技能区域 */
.skills-section h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.skill-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

/* 鼠标悬停在卡片上的小动画 */
.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.skill-card h3 {
    color: #3498db;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* 页脚 */
footer {
    text-align: center;
    margin-top: 40px;
    color: #95a5a6;
    font-size: 0.9rem;
}