/* 基础样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A192F 0%, #1E3A5F 100%);
    color: #fff;
    line-height: 1.6;
}
h1, h2, h3 {
    font-family: 'Futura', sans-serif;
    color: #FF6B35;
    margin-top: 0;
}
p, li {
    font-size: 1rem;
    color: #d1d1d1;
}
a {
    color: #4CE0B3;
    text-decoration: none;
    transition: all 0.3s ease;
}
a:hover {
    color: #FF6B35;
    text-shadow: 0 0 5px rgba(255, 107, 53, 0.8);
}
.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
    max-width: 1200px;
    margin: auto;
}
.sidebar {
    width: 200px;
    background: #0A192F;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
.content {
    flex-grow: 1;
    padding: 20px;
    background: rgba(30, 58, 95, 0.8);
    border-radius: 10px;
    margin-left: 20px;
}
.card {
    background: rgba(10, 25, 47, 0.8);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 0 15px rgba(76, 224, 179, 0.5);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
.button {
    background: #4CE0B3;
    color: #0A192F;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.button:hover {
    background: #FF6B35;
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}
.code-block {
    background: #0A192F;
    color: #4CE0B3;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    margin: 10px 0;
}
.circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(circle, transparent 50%, #FF6B35 70%);
    animation: glow 2s infinite alternate;
    margin: 10px auto;
}
@keyframes glow {
    from { box-shadow: 0 0 10px #FF6B35; }
    to { box-shadow: 0 0 20px #FF6B35; }
}
.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: #4CE0B3;
    border-radius: 50%;
    animation: move 5s infinite;
}
@keyframes move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, -100px); }
}
.footer {
    background: #1E3A5F;
    color: #aaa;
    text-align: center;
    padding: 10px;
    font-size: 0.9rem;
    margin-top: 20px;
}
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        margin-bottom: 20px;
    }
    .content {
        margin-left: 0;
    }
}