/* 全局样式 */
body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    letter-spacing: 0.5px;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #121212, #1e1e1e);
    color: #ffffff;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-weight: bold;
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    margin-bottom: 15px;
}

a {
    color: #00bfff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #39ff14;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.card {
    width: calc(33.33% - 20px);
    margin-bottom: 20px;
    background-color: #1e1e1e;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.button {
    background-color: #00bfff;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background-color: #39ff14;
}

.glow-button {
    position: relative;
    overflow: hidden;
}

.glow-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: glow 1.5s infinite;
}

@keyframes glow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: #ffffff;
    border-radius: 50%;
    animation: particle 3s infinite;
}

@keyframes particle {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .card {
        width: calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .card {
        width: 100%;
    }
}

code {
    background-color: #2c2c2c;
    color: #00bfff;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

pre {
    background-color: #1e1e1e;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}