* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #1a1a2e;
    color: #eaeaea;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
header {
    background-color: #16213e;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #4cc9f0;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: #eaeaea;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: #4cc9f0;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #0f3460;
    padding: 10px 0;
    margin-bottom: 30px;
    font-size: 14px;
}

.breadcrumb a {
    color: #4cc9f0;
    text-decoration: none;
}

/* 主内容区 */
.hero {
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #fff;
}

.hero p {
    font-size: 18px;
    color: #a0a0a0;
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: #4cc9f0;
    color: #1a1a2e;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #3a9ed1;
}

.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: #16213e;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.card h3 {
    color: #4cc9f0;
    margin-bottom: 15px;
}

/* 页脚 */
footer {
    background-color: #0f3460;
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

footer p {
    color: #a0a0a0;
    font-size: 14px;
}