.pangu-file-types {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 4rem 0;
    background-color: #ffffff;
}

.pangu-file-types-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.pangu-file-types-heading {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #333333;
}

/* 使用 Flexbox 实现横向排列 */
.pangu-file-types-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.pangu-file-type-card {
    flex: 1 1 180px; /* 基础宽度180px，可伸缩 */
    max-width: 220px;
    padding: 1.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.pangu-file-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pangu-file-type-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 1rem;
    color: white;
}

/* 定义不同图标的背景色 */
.pangu-file-type-icon.bg-blue { background-color: #3b82f6; }
.pangu-file-type-icon.bg-green { background-color: #22c55e; }
.pangu-file-type-icon.bg-red { background-color: #ef4444; }
.pangu-file-type-icon.bg-yellow { background-color: #eab308; }
.pangu-file-type-icon.bg-purple { background-color: #a855f7; }
.pangu-file-type-icon.bg-indigo { background-color: #6366f1; }

.pangu-file-type-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.pangu-file-type-desc {
    font-size: 0.9rem;
    color: #6b7280;
}