* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: '微软雅黑', sans-serif;
}

body {
    background: url('../background.png') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
}

.logo img {
    height: 40px;
    max-width: 180px;
    transition: transform 0.3s;
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li {
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s;
}

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a:hover {
    color: #3498db;
}

.content {
    padding: 100px 20%;
    color: white;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

h1 {
    font-size: 3.5em;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

p {
    font-size: 1.2em;
    line-height: 1.6;
    animation: fadeIn 1.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 20px;
        flex-direction: column;
    }

    .logo img {
        height: 35px;
    }

    .nav-links {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .content {
        padding: 50px 10%;
    }

    h1 {
        font-size: 2.5em;
    }
}

#currentTime{
  position: fixed;
  right: 20px;
  bottom: 20px;
  color: #FFFFFF;
  font-family: Arial, Sans-Serif;
  padding: 5px 10px;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}