/* 通用板块样式 */
        .section {
            padding: 40px 0;
        }
        .section-title {
            text-align: center;
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 20px;
            color: var(--secondary-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background: var(--primary-color);
            margin: 20px auto 0;
            border-radius: 2px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 20px;
            position: relative;
        }
        .title-watermark {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 120px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1px rgba(51, 51, 51, 0.08); /* 空心效果 */
            z-index: 1;
            white-space: nowrap;
            pointer-events: none;
        }
         /* 全局板块 Learn More 样式 */
        .section-learn-more {
            text-align: center;
        }
        .section-learn-more a {
            font-size: 16px;
            font-weight: 500;
            color: #0a2b70;
            text-decoration: none;
            padding: 10px 24px;
            border: 1px solid #0a2b70;
            border-radius: 4px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .section-learn-more a:hover {
            background-color: #0a2b70;
            color: #fff;
        }
        /* 滚动图核心样式 */
.banner-box {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #f5f5f5;
}

/* 轮播列表 */
.banner-list {
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}
.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden; /* 非首图默认隐藏 */
    transition: opacity 0.8s ease;
    z-index: 1;
}
/* 第一张图强制显示 + 优先加载 */
.banner-item:first-child {
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 2 !important;
}
.banner-item.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* 轮播图片：首图不懒加载，其他图片懒加载 */
.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 从左向右黑色渐变遮罩（核心效果） */
.banner-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    mask: radial-gradient(circle at right center, #ffffff00 0%, #7d7d7d0d 40%, #0000008a 70%, #000000 100%);
    background: #1a73e8;
}

/* 文字内容区域 */
.banner-content {
        position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    z-index: 4;
    color: #fff;
    max-width: 660px;
}
.banner-title {
    font-size: 50px;
    font-weight: bold;
    margin: 0 0 15px;
    line-height: 1.3;
}
.banner-desc {
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 30px;
    opacity: 0.9;
}
.banner-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    font-size: 15px;
    transition: all 0.3s;
}
.banner-btn:hover {
    background: #0a2b70;
    color: #fff;
}

/* 自适应文字大小 */
@media (max-width:768px) {
    .banner-content {
        left: 5%;
        right: 5%;
        max-width: 100%;
    }
    .banner-title {
        font-size: 24px;
    }
    .banner-desc {
        font-size: 14px;
    }
    .banner-btn {
        padding: 10px 22px;
        font-size: 14px;
    }
}

/* 左右切换按钮 */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: rgba(0,0,0,0.3);
    color: #fff;
    text-align: center;
    line-height: 45px;
    font-size: 20px;
    cursor: pointer;
    z-index: 5;
    border-radius: 50%;
    transition: all 0.3s;
}
.banner-arrow:hover {
    background: rgba(0,0,0,0.7);
}
.banner-prev {
    left: 20px;
}
.banner-next {
    right: 20px;
}


/* 指示器 */
.banner-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}
.banner-dot {
    width: 12px;
    height: 5px;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}
.banner-dot.active {
    background: #fff;
    width: 25px;
}
    /* 产品展示板块总容器 */
        .product-section {
            max-width: 1440px;
            margin: 50px auto;
        }

        /* ==================== Tab标签样式 ==================== */
        .tab-list {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin-bottom: 30px;
            list-style: none;
            padding: 0 20px;
        }

        /* Tab标签：添加背景色 + 圆角 */
        .tab-item {
            padding: 10px 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            color: #333;
            background-color: #f7f7f7; /* 默认浅灰背景 */
            border-radius: 4px; /* 圆角美化 */
        }

        /* Tab悬停/选中：反色效果（背景蓝+文字白） */
        .tab-item:hover,
        .tab-item.active {
            color: #ffffff;
            background-color: var(--primary-color); /* 主题蓝背景 */
        }

        /* ==================== 产品内容容器 ==================== */
        .product-content {
            display: none;
        }

        /* 默认显示第一个Tab的产品 */
        .product-content:first-of-type {
            display: block;
        }

        /* ==================== 产品网格布局（一行3列） ==================== */
        .product-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            padding: 20px;
    background: #f7f7f7;
    border-radius: 5px;
        }

        /* 产品卡片：无背景、无阴影 */
        .product-card {
            width: calc(33.333% - 17px);
            
            overflow: hidden;
            transition: transform 0.3s ease;
        }

        /* 产品卡片悬停效果 */
        .product-card:hover {
            transform: translateY(-5px);
        }

        /* 产品图片 */
        .product-img {
            width: 100%;
            aspect-ratio: 5/3;
            object-fit: cover;
            border-radius: 4px;
        }

        /* 产品信息 */
        .product-info {
            padding: 15px 0;
            text-align: center; /* 产品名称居中 */
        }

        .product-name {
            font-size: 18px;
            color: #333;
        }

        /* ==================== 查看更多按钮样式 ==================== */
        .more-btn-box {
            text-align: center;
            margin-top: 40px;
        }
        .more-btn {
            padding: 10px 30px;
            background: none;
            border: 1px solid var(--primary-color);
            border-radius: 4px;
            color: var(--primary-color);
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .more-btn:hover {
            background: var(--primary-color);
            color: #fff;
        }

        /* ==================== 响应式适配 ==================== */
        @media (max-width: 992px) {
            .product-card {
                width: calc(50% - 13px);
            }
        }

        @media (max-width: 768px) {
            .tab-item {
                font-size: 14px;
                padding: 8px 18px;
            }
            .tab-list {
                flex-direction: column; /* 垂直排列 */
                gap: 12px;             /* 垂直间距 */
            }
            .product-card {
                width: 100%;
            }
            .more-btn {
                padding: 8px 25px;
                font-size: 14px;
            }
        }
        
        /* 关于我们 */
        /* 板块容器 */
        .about-section {
            position: relative;
            margin: 0 auto;
            padding: 80px 0;
            overflow: hidden;
        }

        /* 板块背景 */
        .section-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }

        .section-bg img {
            width: 100%;
            object-fit: cover;
        }

        .bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to right, #3b82f6, #ffffff61);
        }

        /* 布局 */
        .abcontainer {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
            max-width: 80%;
            margin: 150px auto 0;
        }

        .left {
            flex: 1;
            min-width: 300px;
                padding: 30px;
                BACKGROUND: #ffffff;
            border-radius: 5px;
        }

        .right {
            flex: 1;
            min-width: 300px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        /* 文字样式 */
        .subtitle {
            font-size: 14px;
            color: #165DFF;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .title {
            font-size: clamp(28px, 5vw, 44px);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 700;
                color: #f59e0b;
        }

        .title-gradient {
            background: #0a2b70;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .desc {
            color: #000000;
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 16px;
        }


        /* 数据卡片 */
        .stat-card {
            background: rgba(255,255,255,0.3);
            backdrop-filter: blur(5px);
            padding: 28px;
            max-width: 200px;
            border-radius: 4px;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.2);
            transition: all 0.5s ease;
        }

        .stat-num {
            font-size: 25px;
            font-weight: 700;
            color: #0a2b70;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: #2d3748;
        }

        /* 滚动渐入动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }

        .delay-100 { transition-delay: 0.1s; }
        .delay-200 { transition-delay: 0.2s; }
        .delay-300 { transition-delay: 0.3s; }
        .delay-400 { transition-delay: 0.4s; }

        /* 响应式 */
        @media (max-width:768px) {
            .stat-num {
            font-size: 20px;
            font-weight: 400;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 12px;
            color: #2d3748;
        }
        }

    
           /* 合作伙伴板块容器 */
         .partners-section {
            background-image: url('/jt/img/parbg.webp');
            width: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 30px 20px;
            position: relative;
        }

     .title-group {
            text-align: center;
            margin-bottom: 20px;
        }

        /* 内容容器（居中约束宽度） */
        .partners-container {
            max-width: 1400px;
            margin: 20px auto;
            position: relative;
            z-index: 2;
        }

        /* 板块标题 */
        .partners-title {
            text-align: center;
            color: #fff;
            font-size: 32px;
            margin-bottom: 40px;
            font-weight: 600;
        }

        /* 合作伙伴列表 - 弹性布局 */
        .partners-list {
            display: flex;
            flex-wrap: wrap;
            gap: 5px; /* 项目间距 */
            justify-content: center;
        }

        /* 单个合作伙伴项 */
        .partner-item {
            width: calc(20% - 16px);
            min-width: 120px; 
            height: 100px; 
            background-color: #fff; 
            border: 1px solid rgb(102 95 95 / 20%);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            border-radius: 5px;
        }

        /* 悬停效果 */
        .partner-item:hover {
            transform: translateY(-3px);
        }

        /* LOGO图片样式 */
        .partner-item img {
            max-width: 80%;
            max-height: 60px;
            object-fit: contain; /* 保持LOGO比例不变形 */
        }

        /* ==================== 响应式适配 ==================== */
        /* 平板端：一行3列 */
        @media (max-width: 992px) {
            .partner-item {
                width: calc(33.33% - 14px);
            }
        }

        /* 手机端：一行2列 */
        @media (max-width: 576px) {
            .partner-item {
                width: calc(50% - 10px);
            }
            .partners-title {
                font-size: 24px;
            }
        }
         .cert-show-container {
      max-width: 90%;
      margin: 0 auto;
      background: white;
      padding: 40px;
    }

    /* 标题 */
    .cert-show-title {
      text-align: center;
      margin-bottom: 32px;
      font-size: clamp(1.5rem, 3vw, 2.5rem);
      font-weight: bold;
      color: var(--secondary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .cert-show-title i {
      color: #ff0047;
    }

    /* TAB切换栏 */
    .cert-show-tab-wrapper {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 32px;
    }
    .cert-show-tab-btn {
      padding: 8px 24px;
      border-radius: 999px;
      border: 1px solid #d1d5db;
      font-weight: 500;
      background: white;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .cert-show-tab-btn.active {
      background-color: #0a2b70;
      color: white;
    }

    /* 轮播核心 */
    .cert-show-carousel-wrapper {
      position: relative;
      overflow: hidden;
      background: transparent;
    }
    .cert-show-tab-content {
      display: none;
    }
    .cert-show-tab-content.cert-show-block {
      display: block;
    }
    .cert-show-carousel-container {
      overflow: hidden;
    }
    .cert-show-carousel-track {
      display: flex;
      width: max-content;
      animation: cert-show-scroll 25s linear infinite;
      gap: 16px;
    }
    /* 悬停暂停 */
    .cert-show-carousel-container:hover .cert-show-carousel-track {
      animation-play-state: paused;
    }
    /* 轮播动画（唯一动画名） */
    @keyframes cert-show-scroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* 证书卡片 */
    .cert-show-card {
      min-width: 180px;
    }
    .cert-show-card img {
      width: 100%;
      height: 180px;
      object-fit: contain;
      border: none;
      outline: none;
    }

    /* 响应式：手机端2个 */
    @media (max-width: 640px) {
      .cert-show-card {
        min-width: 160px;
      }
      .cert-show-container {
        padding: 40px 0;
      }
    }
    /* 桌面端6个 */
    @media (min-width: 768px) {
      .cert-show-container {
        padding: 80px 0;
      }
    }
    
 

        .why-choose-us {
            background:#f7f7f7;
            background-attachment: fixed;
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            padding: 50px 20px;
            position: relative;
            color: #ffffff;
            box-sizing: border-box;
        }

        .why-choose-container {
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .why-choose-title {
            font-size: 36px;
            font-weight: 600;
            margin-bottom: 50px;
            letter-spacing: 1px;
            text-align: center;
        }

        .why-choose-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            align-items: stretch;
                margin: 20px 0;
        }
        
        .why-choose-item {
            padding: 35px 25px;
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
            transition: all 0.3s ease;
            background: #ffffff;
        }

        .why-choose-item:hover {
            background-color: #c9c9c98f;
        }

        .why-choose-item:not(:last-child) {
            border-right: 1px solid #c9c9c98f;
        }

        .why-choose-icon {
            font-size: 42px;
            color: #0a2b70;
            margin-bottom: 22px;
            line-height: 1;
        }

        .why-choose-item h3 {
            font-size: 20px;
            font-weight: 500;
            margin: 0 0 18px 0;
            color: #0a2b70;
            height: 68px;
            display: block;
            line-height: 1.4;
        }

        .why-choose-item p {
            font-size: 16px;
            line-height: 1.75;
            color: #000000;
            margin: 0;
            width: 100%;
            flex-grow: 1;
            margin-top: auto;  
        }


        @media (max-width: 1280px) {
            .why-choose-wrapper {
                grid-template-columns: repeat(2, 1fr);
            }
            .why-choose-item:nth-child(2),
            .why-choose-item:nth-child(4) {
                border-right: none !important;
            }
            .why-choose-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            }
        }

        @media (max-width: 768px) {
            .why-choose-us { padding: 40px 15px; }
            .why-choose-title { font-size: 28px; margin-bottom: 35px; }
            .why-choose-wrapper { grid-template-columns: 1fr; }
            .why-choose-item {
                border-right: none !important;
                border-bottom: 1px solid rgba(255,255,255,0.25);
                padding: 25px 20px;
            }
            .why-choose-item:last-child { border-bottom: none; }
            .why-choose-icon { font-size: 36px; }
            .why-choose-item h3 { height: auto; font-size: 18px; }
        }
         /* 联系我们板块 */
          /* 动画定义 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .contact-section {
            padding: 50px 20px;
            background: linear-gradient(rgb(255 255 255 / 40%), rgb(255 255 255 / 40%)), url(/jt/img/cbg.jpg) center / cover;
            background-blend-mode: overlay;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.8s ease forwards;
        }
           /* 扁平汇入风格容器 */
        .contact-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            position: relative;
                max-width: 1200px;
    margin: auto;
        }
         /* 标题 */
        .section-title {
            text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: 20px;
    color: var(--secondary-color);
    position: relative;
        }

     

        /* 底部汇入渐变条（主色 #0a2b70） */
        .contact-wrapper::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #0a2b70, #082259, #0a2b70);
            z-index: 1;
        }

        /* ==================== 左侧：主色背景 错开配色 ==================== */
        .contact-info {
            flex: 1;
    min-width: 280px;
    padding: 25px;
    background-color: #fafafa;
    color: #0a2b70;
    display: flex;
    flex-direction: column;
    justify-content: center;
        }

        .info-title {
            font-size: 20px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .info-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        /* 左侧图标适配深色背景 */
        .info-item i {
            width: 36px;
            height: 36px;
            color: #0a2b70;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: 0.3s;
        }

        .info-item:hover i {
            background: #ffffff;
            color: #0a2b70;
        }

        .social-title {
            font-size: 15px;
            margin-bottom: 10px;
        }

        .social-buttons {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* 左侧社媒按钮适配深色背景 */
        .social-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #0a2b701f;
            color: #0a2b70;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .social-btn:hover {
            background: #ffffff;
            color: #0a2b70;
        }

        /* ==================== 右侧：白色背景 错开配色 ==================== */
        .contact-form {
            flex: 1;
            min-width: 280px;
            padding: 25px;
            background-color: #ffffff;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .form-title {
            font-size: 22px;
            color: #0a2b70;
            margin-bottom: 20px;
            font-weight: 600;
        }
        /* 表单一行布局：Name + Email */
        .form-row {
            display: flex;
            gap: 12px;
        }

        .form-group {
            margin-bottom: 12px;
            width: 100%;
        }

        /* 隐藏表单外部标签，保留占位符 */
        .form-label {
            display: none;
        }

        /* 扁平输入框 */
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 8px 12px;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            font-size: 13px;
            color: #1e293b;
            outline: none;
            transition: all 0.3s ease;
            background: #fafafa;
        }

        .form-input:focus,
        .form-textarea:focus {
            border-color: #0a2b70;
            background: #fff;
            box-shadow: 0 0 0 2px rgba(10, 43, 112, 0.1);
        }

        .form-textarea {
            min-height: 80px;
            resize: vertical;
        }

        /* 提交按钮（主色 #0a2b70） */
        .submit-btn {
            padding: 8px 24px;
            background-color: #0a2b70;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            margin-top: 5px;
        }

        .submit-btn:hover {
            background-color: #082259;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .contact-wrapper {
                gap: 0;
            }
            .contact-section {
            margin: 0px auto;
            padding: 10px;
        }
            .contact-info, .contact-form {
                padding: 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .info-title {
                font-size: 18px;
            }
            /* 移动端表单单行显示 */
            .form-row {
                flex-direction: column;
                gap: 12px;
            }
        }
       
        @media (max-width: 768px) {
            .contact-section {
                padding: 30px 15px;
            }

           
        }

        @media (max-width: 1200px) {
            .why-choose-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .about-content {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 2.2rem;
            }
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px; 
            margin-bottom: 30px;
        }

        .news-item {
            display: flex;
            background: #fff;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
            height: 180px; 
        }

        .news-item:hover {
            transform: translateY(-5px);
        }

        .news-img {
            width: 260px;
            height: 100%;
            object-fit: cover; 
        }

        .news-content {
            flex: 1;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }

        /* 新闻标题 */
        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: #1a1a1a;
            line-height: 1.4;
            /* 英文标题超出隐藏 */
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 新闻摘要 */
        .news-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 新闻日期 */
        .news-date {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
        }

        /* ===================== 响应式适配 ===================== */
        /* 平板/小屏设备：1列布局 */
        @media (max-width: 992px) {
            .news-list {
                grid-template-columns: 1fr;
                                gap: 20px;
            }
        }

        /* 手机端：优化图片宽度 */
        @media (max-width: 576px) {
            .news-list{
                gap: 10px;
            }
            .news-item {
                height: 120px;
            }
            .news-title{
                font-size: 12px;
            }
            .news-img {
                width: 100px;
            }
            .news-content{
                padding: 12px;
            }
            .news-desc{
                font-size: 10px;
            }
            .section-title {
                font-size: 24px;
            }
        }