/* 基本样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f9;
}

/* 导航栏 */
header {
    background-color: #fff;
    padding: 20px 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

nav ul {
    list-style: none;
}

nav ul li {
    display: inline;
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #555;
    font-weight: 400;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #007bff;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

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

.highlight {
    color: #007bff;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 20px;
    color: #555;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    transition: 0.3s;
}

.btn:hover {
    background-color: #555;
}

/* About Section */
.about {
    padding: 100px 10%;
    text-align: center;
    background-color: #fff;
}

.about h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background-color: #333;
    color: #fff;
}

/* 响应式设计 (手机端) */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }
}