:root {
    --primary-color: #2563eb;
    --primary-color-light: #3b82f6;
    --primary-color-dark: #1d4ed8;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #666;
    --gray-light: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    cursor: pointer;
}

.intro-card h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.intro-card p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color-dark);
    text-decoration: underline;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--primary-color-dark);
    text-decoration: none;
    transform: translateY(-1px);
}

.api-list {
    margin-top: 1.5rem;
}

.api-list h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(1000px, 1fr));
    gap: 1.5rem;
}

.api-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
    position: relative;
    overflow: hidden;
}

.api-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.api-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.api-item .endpoint {
    display: block;
    background-color: var(--gray-light);
    padding: 0.5rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 0.9rem;
    word-break: break-word;
}

.api-item .method {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0 var(--border-radius) 0 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.api-item .description {
    color: var(--gray-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

.api-item .parameters {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.api-item .parameters strong {
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.api-item .parameters ul {
    list-style-position: inside;
    margin-top: 0.25rem;
}

.api-item .parameters li {
    margin-bottom: 0.25rem;
    color: var(--gray-color);
}

.footer {
    text-align: center;
    color: var(--gray-color);
    font-size: 0.8rem;
    padding: 1.5rem 0;
}

.footer p {
    margin-bottom: 10px;
}

.stats {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.stat-item {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.25rem;
    box-shadow: var(--box-shadow);
    text-align: center;
    min-width: 160px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-color);
}

.pagination {
    display: flex;
    justify-content: center;
    margin: 2rem 0 1rem;
    gap: 0.5rem;
}

.pagination button {
    background-color: white;
    border: 1px solid var(--gray-light);
    color: var(--dark-color);
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover {
    background-color: var(--gray-light);
}

.pagination button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--gray-light);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .api-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .stat-item {
        width: 100%;
    }
}

#message-box {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    /* 淡入淡出动画 */
    z-index: 1000;
    /* 确保在最上层 */
}