/* 资质展示区域样式 */
.qualification-section {
    padding: 5rem 0;
    background-color: var(--dark-bg);
}

.qualification-item {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;  /* 修改上内边距为2rem */
    background: var(--card-bg);
    border-radius: 16px;
    margin-bottom: 3rem;
}

.qualification-item:last-child {
    margin-bottom: 0;
}

.text-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    margin-bottom: 2rem;  /* 调整标题区域下方间距 */
}

.text-content h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-top: 0;  /* 移除顶部外边距 */
    margin-bottom: 0.5rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.text-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.content-text {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.1rem;
}

.image-content {
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 1000px;
    margin: 0 auto;
}

.image-content img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* 交替背景色 */
.qualification-item:nth-child(odd) {
    background: var(--card-bg);
}

.qualification-item:nth-child(even) {
    background: rgba(30, 41, 59, 0.7);
}

/* 滚动容器样式 */
.scroll-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;  /* 改为 hidden */
    padding: 1rem 0;
}

.scroll-container::-webkit-scrollbar {
    display: none;  /* Chrome, Safari and Opera */
}

.scroll-content {
    display: flex;
    gap: 2rem;
    padding: 0 1rem;
    animation: scroll 30s linear infinite;  /* 从60s改为30s，速度加快一倍 */
}

.scroll-content:hover {
    animation-play-state: paused;  /* 悬停时暂停 */
}

.scroll-content img {
    height: 235px;
    width: auto;
    flex-shrink: 0;  /* 防止图片被压缩 */
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100% - 2rem));
    }
}

/* 响应式调整 */
@media (max-width: 1240px) {
    .qualification-item {
        margin-left: 1rem;
        margin-right: 1rem;
    }

    .image-content {
        max-width: 100%;  /* 小屏幕下完全适应容器 */
    }
}

@media (max-width: 768px) {
    .qualification-section {
        padding: 3rem 0;
    }

    .qualification-item {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }

    .text-content {
        margin-bottom: 2rem;
    }

    .text-content h2 {
        font-size: 2rem;
    }

    .content-text {
        font-size: 1rem;
    }
    
    .scroll-container {
        margin: 0 -1rem;  /* 扩展到容器边缘 */
    }
    
    .scroll-content {
        padding: 0 1rem;
    }
}