/* 全局样式 */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #00449e, #6610f2);
    color: #ffffff;
    overflow-x: hidden;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

p {
    line-height: 1.8;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

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

/* 磨砂玻璃效果 */
.glass-effect {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 20px 0;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 10px;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #34c759;
}

/* 按钮样式 */
button {
    background-color: #34c759;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: all 0.5s ease;
}

button:hover {
    background-color: #28a745;
}

button:hover::before {
    width: 200%;
    height: 200%;
    opacity: 1;
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

/* 响应式布局 */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .container {
        padding: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    p {
        font-size: 0.9rem;
    }
}

/* 动态粒子效果 */
.particle-container {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    animation: particles 10s linear infinite;
}

@keyframes particles {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}