/* 全局样式 */
body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #fff;
    background: linear-gradient(135deg, #0074D9, #7FDBFF);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 20px auto;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.left-panel, .right-panel {
    flex: 1;
    min-width: 300px;
}

.left-panel {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.3);
}

.right-panel {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 10px;
    position: relative;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 15px;
}

.highlight {
    color: #FFC300;
}

.gradient-box {
    background: linear-gradient(to right, #0074D9, #7FDBFF);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

code {
    display: block;
    background: #000;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    overflow-x: auto;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.button {
    position: relative;
    background: #0074D9;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    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%);
    transition: width 0.3s ease, height 0.3s ease;
}

.button:hover::before {
    width: 200px;
    height: 200px;
}

.metal-effect {
    background: linear-gradient(135deg, #a7a7a7, #ebebeb, #a7a7a7);
    background-size: 200% 200%;
    animation: shine 5s infinite;
    padding: 10px;
    border-radius: 8px;
}

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

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .left-panel, .right-panel {
        flex: 1;
    }

    code {
        font-size: 0.8em;
    }
}