/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f0f0f0;
    color: #333;
}

/* 导航栏 */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.logo {
    color: white;
    font-size: 24px;
}

/* 英雄部分 */
.hero {
    height: 100vh;
    background: url('./background.png') no-repeat center center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
}

.content h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.content p {
    font-size: 20px;
    margin-bottom: 20px;
}

.button {
    padding: 15px 30px;
    background: linear-gradient(45deg, #ff6b6b, #f0e130);
    color: white;
    text-decoration: none;
    font-size: 18px;
    border-radius: 50px;
    transition: background 0.5s;
}

.button:hover {
    background: linear-gradient(45deg, #f0e130, #ff6b6b);
}

/* 卡片部分 */
.card {
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}