.about-us-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    
    /* ========== 容器整体飞入 - 初始状态 ========== */
    opacity: 0; /* 初始透明 */
    transform: translate3d(0, 60px, -200px) scale(0.96); /* 下方+远处+轻微缩小 */
    /* 应用飞入动画：时长1.2秒，先快后慢，结束后保持最终状态 */
    animation: aboutUsFlyIn 1.2s ease-out forwards;
    /* 透视增强3D感（可选，不影响核心效果） */
    perspective: 1000px;
}

/* 定义整体飞入动画关键帧 */
@keyframes aboutUsFlyIn {
    0% {
        opacity: 0;
        transform: translate3d(0, 60px, -200px) scale(0.96);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

.about-us-header .small-title {
    color: #999;
    font-size: 14px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    
    /* 可选：标题单独延迟飞入，增强层次 */
    animation: titleFadeIn 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

.about-us-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #333;
    
    /* 可选：主标题延迟飞入 */
    animation: titleFadeIn 0.8s ease-out 0.5s forwards;
    opacity: 0;
}

.about-us-header h3 {
    font-size: 24px;
    color: #f78b1f;
    margin-bottom: 20px;
    
    /* 可选：副标题延迟飞入 */
    animation: titleFadeIn 0.8s ease-out 0.7s forwards;
    opacity: 0;
}

/* 标题单独的淡入动画（可选） */
@keyframes titleFadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-us-desc {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 35px;
    
    /* 可选：描述文本延迟飞入 */
    animation: titleFadeIn 0.8s ease-out 0.9s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    background-color: #f78b1f;
    color: #fff;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    
    /* 可选：按钮延迟飞入 */
    animation: titleFadeIn 0.8s ease-out 1.1s forwards;
    opacity: 0;
}

.btn:hover {
    background-color: #e67e22;
}

.btn i {
    margin-left: 8px;
    font-size: 12px;
}

.about-us-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    
    /* 可选：图片单独的飞入效果（与容器错开） */
    animation: imageFlyIn 1s ease-out 0.2s forwards;
    opacity: 0;
    transform: translate3d(30px, 0, -100px) scale(0.98);
}

/* 图片专属飞入动画（右侧切入，更贴合布局） */
@keyframes imageFlyIn {
    0% {
        opacity: 0;
        transform: translate3d(30px, 0, -100px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

.about-us-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url(https://www.taimaocnc.com/skins/262731/images/abImgbg.png) center center no-repeat;
    pointer-events: none;
}

.about-us-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .about-us-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-us-image {
        order: -1;
        /* 移动端图片飞入调整为从上方切入 */
        animation: imageFlyInMobile 1s ease-out 0.2s forwards;
    }
    /* 移动端图片飞入动画 */
    @keyframes imageFlyInMobile {
        0% {
            opacity: 0;
            transform: translate3d(0, 30px, -100px) scale(0.98);
        }
        100% {
            opacity: 1;
            transform: translate3d(0, 0, 0) scale(1);
        }
    }
}

@media (max-width: 576px) {
    .about-us-header h2 {
        font-size: 28px;
    }
    .about-us-header h3 {
        font-size: 20px;
    }
    /* 小屏缩短动画时长，更适配移动端节奏 */
    .about-us-section {
        animation-duration: 1s;
    }
}
.news-section {
    padding: 60px 20px;
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}
.news-section h2 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #333;
}
.news-section .subtitle {
    color: #666;
    margin-bottom: 50px;
    font-size: 14px;
}
/* 轮播控制箭头样式 + 抖动动画 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s;
}
.carousel-arrow:hover {
    background: #f5f5f5;
    /* 悬停时触发轻微抖动 */
    animation: arrowShake 0.3s ease-in-out;
}
.arrow-left {
    left: 10px;
}
.arrow-right {
    right: 10px;
}
.carousel-arrow::before {
    content: '';
    width: 10px;
    height: 10px;
    border-top: 2px solid #333;
    border-right: 2px solid #333;
    display: inline-block;
}
.arrow-left::before {
    transform: rotate(-135deg);
}
.arrow-right::before {
    transform: rotate(45deg);
}

/* 定义箭头抖动动画（左右微晃） */
@keyframes arrowShake {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    25% { transform: translateY(-50%) translateX(-2px); }
    75% { transform: translateY(-50%) translateX(2px); }
}

/* 轮播容器核心样式 */
.news-container {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 20px;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
    flex-wrap: nowrap;    
    padding: 0px 0 0px 0; 
}
/* 隐藏滚动条 */
.news-container::-webkit-scrollbar {
    display: none;
}

/* 响应式卡片宽度 + 悬停抖动效果 */
.news-card {
    flex: 0 0 calc((100% - 60px) / 3);
    scroll-snap-align: start;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s;
    height: 100%;
}
.news-card:hover {
    transform: translateY(-5px);
    /* 悬停时触发卡片轻微抖动 */
    animation: cardShake 0.5s ease-in-out;
    /* 增强阴影，配合抖动更有层次感 */
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.news-card h3 {
    font-size: 18px;
    padding: 16px 16px 8px;
    color: #333;
    text-align: left;
}
.news-card p {
    font-size: 14px;
    color: #666;
    padding: 0 16px 20px;
    line-height: 1.5;
    text-align: left;
}

/* 定义卡片抖动动画（轻微旋转+位移） */
@keyframes cardShake {
    0%, 100% { transform: translateY(-5px) rotate(0deg); }
    20% { transform: translateY(-5px) rotate(-1deg); }
    40% { transform: translateY(-5px) rotate(1deg); }
    60% { transform: translateY(-5px) rotate(-0.5deg); }
    80% { transform: translateY(-5px) rotate(0.5deg); }
}

.dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 0px;
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background 0.3s;
}
.dot.active {
    background: #333;
    transform: scale(1.2);
    /* 可选：给激活的圆点添加轻微抖动 */
    /* animation: dotPulse 1.5s infinite ease-in-out; */
}

/* 可选：圆点脉冲抖动动画（如需启用，取消上面的注释） */
@keyframes dotPulse {
    0%, 100% { transform: scale(1.2); }
    50% { transform: scale(1.4); }
}

/* 响应式适配 */
/* 平板/小屏电脑 */
@media (max-width: 992px) {
    .news-card {
        flex: 0 0 calc((100% - 30px) / 2);
    }
}
/* 手机端 */
@media (max-width: 768px) {
    .news-section h2 {
        font-size: 28px;
    }
    .news-card {
        flex: 0 0 calc(100% - 40px);
        max-width: 350px;
        margin: 0 auto;
    }
}
/* 小屏手机优化 */
@media (max-width: 480px) {
    .news-card {
        flex: 0 0 100%;
    }
    .carousel-arrow {
        width: 36px;
        height: 36px;
    }
}

.brand-showcase {
    width: 100%;       /* 小屏幕下占满可用宽度 */
    margin: 0px auto;    /* 容器整体居中 */
    text-align: center;
    /* 背景图100%完整显示核心配置 */
    background-image: url('/bg-showcase.jpg'); /* 替换为你的背景图路径 */
    background-size: 100% 100%; /* 背景图100%覆盖容器，不裁剪、不变形 */
    background-position: center center; /* 背景图居中 */
    background-repeat: no-repeat; /* 禁止重复 */
    /* 遮罩保证内容清晰 */
    /* background-color: rgba(255, 255, 255, 0.9); */
    background-blend-mode: overlay;
    /* 容器美化与内边距 */
    border-radius: 12px;
    padding: 26px 0px 100px 0px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    
    /* ========== 容器整体飞入效果 - 初始状态 ========== */
    opacity: 0;
    transform: translate3d(0, 50px, -200px) scale(0.95);
    /* 应用飞入动画 */
    animation: containerFlyIn 1s ease-out forwards;
}

/* 定义容器整体的飞入动画 */
@keyframes containerFlyIn {
    0% {
        opacity: 0;
        transform: translate3d(0, 50px, -200px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

/* 标题样式：原.header 替换为 .brand-title */
.brand-title h1 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 10px;
}

.brand-title p {
    color: #f0f8ff;
    font-size: 16px;
    margin-bottom: 30px;
}

/* 品牌网格布局（自适应） */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 18px;
    max-width: 1360px;
    margin: 0 auto;
    /* 透视容器：让子元素飞入更有空间感 */
    perspective: 800px;
}

.brand-item {
    background-color: #fff;
    padding: 2px;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    
    /* ========== 每个品牌图标飞入 - 初始状态 ========== */
    opacity: 0;
    transform: translate3d(0, 20px, -100px) scale(0.9);
    /* 应用图标飞入动画（默认0.6秒，先快后慢） */
    animation: itemFlyIn 0.6s ease-out forwards;
}

/* 定义单个品牌图标的飞入动画 */
@keyframes itemFlyIn {
    0% {
        opacity: 0;
        transform: translate3d(0, 20px, -100px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

/* 给每个品牌图标设置递增的延迟，实现依次飞入 */
.brand-item:nth-child(1) { animation-delay: 0.2s; }
.brand-item:nth-child(2) { animation-delay: 0.3s; }
.brand-item:nth-child(3) { animation-delay: 0.4s; }
.brand-item:nth-child(4) { animation-delay: 0.5s; }
.brand-item:nth-child(5) { animation-delay: 0.6s; }
.brand-item:nth-child(6) { animation-delay: 0.7s; }
.brand-item:nth-child(7) { animation-delay: 0.8s; }
.brand-item:nth-child(8) { animation-delay: 0.9s; }
.brand-item:nth-child(9) { animation-delay: 1.0s; }
/* 如需支持更多图标，继续往下加即可，比如：
.brand-item:nth-child(10) { animation-delay: 1.1s; }
.brand-item:nth-child(11) { animation-delay: 1.2s; }
... */

.brand-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 响应式调整（小屏幕下缩小间距） */
@media (max-width: 768px) {
    .brand-grid {
        gap: 20px;
    }
    .brand-item {
        height: 60px;
        padding: 10px;
    }
    .brand-title h1 {
        font-size: 24px;
    }
}