/* index.html */
        /* ========== 全局重置 独立前缀kuso ========== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "Microsoft Yahei", sans-serif;
            overflow-x: hidden;
        }
        ul, li {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: #fff;
        }

        /* ========== 导航栏 kuso-nav【Logo左，菜单整体居中】 ========== */
        .kuso-nav-wrap {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            padding: 16px 40px;
            display: flex;
            align-items: center;
            transition: background 0.3s;
                justify-content: space-between;
        }
        .kuso-nav-wrap.active {
            background: rgba(0,0,0,0.7);
        }
        /* Logo容器 靠左布局 */
        .kuso-nav-logo-box {
            flex-shrink: 0;
        }
        .kuso-nav-logo-img {
            height: 32px;
            display: block;
        }
        /* 菜单容器 自动占剩余空间，实现菜单整体居中 */
        .kuso-nav-menu-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .kuso-nav-menu-pc {
            display: flex;
            gap: 35px;
        }
        .kuso-nav-item a {
            font-size: 15px;
            opacity: 0.9;
            transition: opacity 0.2s;
        }
        .kuso-nav-item a:hover {
            opacity: 1;
        }
        /* 移动端汉堡按钮 */
        .kuso-nav-hamburger {
            display: none;
            width: 30px;
            height: 24px;
            position: relative;
            cursor: pointer;
            flex-shrink: 0;
        }
        .kuso-nav-hamburger span {
            position: absolute;
            width: 100%;
            height: 3px;
            background: #fff;
            border-radius: 2px;
            transition: 0.3s;
        }
        .kuso-nav-hamburger span:nth-child(1) {top: 0;}
        .kuso-nav-hamburger span:nth-child(2) {top: 10px;}
        .kuso-nav-hamburger span:nth-child(3) {bottom: 0;}
        /* 移动端下拉菜单 */
        .kuso-nav-menu-mobile {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(0,0,0,0.85);
            padding: 20px 40px;
            display: none;
        }
        .kuso-nav-menu-mobile .kuso-nav-item {
            margin: 12px 0;
        }

        /* ========== 全屏轮播容器 kuso-banner ========== */
        .kuso-banner-wrap {
            width: 100vw;
            height: 100vh;
            position: relative;
            overflow: hidden;
        }
        .kuso-banner-list {
            width: 100%;
            height: 100%;
            display: flex;
        }
        .kuso-banner-item {
            flex: 0 0 100vw;
            height: 100%;
            position: relative;
        }
        /* 背景图 */
        .kuso-banner-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        /* 半透明滤镜遮罩 */
        .kuso-banner-mask {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.45);
        }
        /* 居中文字内容 */
        .kuso-banner-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: #fff;
            z-index: 10;
        }
        .kuso-banner-subtitle {
            font-size: 22px;
            margin-bottom: 12px;
            opacity: 0.9;
        }
        .kuso-banner-title {
            font-size: 52px;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .kuso-banner-btn {
            display: inline-block;
            padding: 12px 32px;
            border: 1px solid #fff;
            border-radius: 30px;
            font-size: 16px;
            transition: background 0.3s;
        }
        .kuso-banner-btn:hover {
            background: rgba(255,255,255,0.2);
        }

        /* 底部文字式指示器 */
        .kuso-banner-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 40px;
            z-index: 20;
        }
        .kuso-indicator-text {
            font-size: 16px;
            color: rgba(255,255,255,0.5);
            cursor: pointer;
            padding: 6px 10px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .kuso-indicator-text.active {
            color: #ffffff;
            border-bottom: 2px solid #fff;
        }

        /* ========== 移动端适配 ========== */
        @media screen and (max-width: 1280px) {
            .kuso-nav-menu-pc {
                gap: 20px;
            }
        }
        @media screen and (max-width: 992px) {
            .kuso-nav-wrap {
                padding: 15px 25px;
                justify-content: space-between;
            }
            .kuso-nav-menu-wrap {
                display: none;
            }
            .kuso-nav-hamburger {
                display: block;
            }
            .kuso-banner-title {
                font-size: 34px;
            }
            .kuso-banner-subtitle {
                font-size: 18px;
            }
            .kuso-banner-indicator {
                gap: 20px;
                bottom: 25px;
            }
            .kuso-indicator-text {
                font-size: 14px;
            }
        }
        @media screen and (max-width: 576px) {
            .kuso-banner-title {
                font-size: 26px;
            }
            .kuso-banner-text {
                width: 90%;
            }
            .kuso-banner-indicator {
                gap: 10px;
            }
            .kuso-indicator-text {
                font-size: 12px;
            }
            .kuso-nav-logo-img {
                height: 26px;
            }
        }
/* about.html     */

        /* ========== 关于页专属导航栏 白色底色 ========== */
        .kuso-about-nav-wrap {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            padding: 15px 40px;
            display: flex;
            align-items: center;
            background: #ffffff;
            box-shadow: 0 1px 5px rgba(0,0,0,0.08);
            transition: all 0.3s;
        }
        .kuso-about-nav-logo-box {
            flex-shrink: 0;
        }
        .kuso-about-nav-logo-img {
            height: 32px;
            display: block;
        }

.kuso-about-nav-logo-box1 {
            flex-shrink: 0;
        }
        .kuso-about-nav-logo-img1 {
            height: 32px;
            display: block;
        }
.jy-banner-nav-wrap {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 999;
    background: #ffffff;
    transition: all 0.3s ease;
}
.jy-banner-nav-scroll {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.kuso-about-nav-logo-img1 {
    height: 42px;
    margin-right: 300px;
    vertical-align: middle;
    transition: filter 0.3s ease;
    /* 导航透明时：图片反色变白 */
}
/* 滚动导航变白，取消滤镜，Logo恢复原本黑色 */
.jy-banner-nav-scroll .kuso-about-nav-logo-img1 {
    filter: invert(0);
}

       


        .kuso-about-nav-menu-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .kuso-about-nav-menu-pc {
            display: flex;
            gap: 35px;
        }
        .kuso-about-nav-item a {
            font-size: 15px;
            color: #333;
            opacity: 0.85;
            padding: 6px 0;
            position: relative;
            transition: opacity 0.2s;
        }
        .kuso-about-nav-item a:hover {
            opacity: 1;
        }
        .kuso-about-nav-item.active a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: #007acc;
        }
        /* 移动端汉堡 */
        .kuso-about-nav-hamburger {
            display: none;
            width: 30px;
            height: 24px;
            position: relative;
            cursor: pointer;
            flex-shrink: 0;
        }
        .kuso-about-nav-hamburger span {
            position: absolute;
            width: 100%;
            height: 3px;
            background: #333;
            border-radius: 2px;
            transition: 0.3s;
        }
        .kuso-about-nav-hamburger span:nth-child(1) {top: 0;}
        .kuso-about-nav-hamburger span:nth-child(2) {top: 10px;}
        .kuso-about-nav-hamburger span:nth-child(3) {bottom: 0;}
        .kuso-about-nav-menu-mobile {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #fff;
            padding: 20px 40px;
            display: none;
            box-shadow: 0 3px 5px rgba(0,0,0,0.1);
        }
        .kuso-about-nav-menu-mobile .kuso-about-nav-item {
            margin: 12px 0;
        }

        /* ========== 全屏首屏Banner ========== */
        .kuso-about-banner-wrap {
            width: 100vw;
            height: 100vh;
            position: relative;
            overflow: hidden;
            margin-top: 62px;
        }
        .kuso-about-banner-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .kuso-about-banner-mask {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.25);
        }
        .kuso-about-banner-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #fff;
            text-align: center;
            z-index: 10;
        }
        .kuso-about-banner-sub {
            font-size: 24px;
            margin-bottom: 15px;
            letter-spacing: 2px;
        }
        .kuso-about-banner-title {
            font-size: 56px;
            font-weight: bold;
        }

        /* ========== 发展历程基础容器样式（保留结构，删除时间轴多余线条圆点样式） ========== */
        .kuso-about-history-root {
            max-width: 1920px;
            margin: 0 auto;
            padding: 100px 0;
            position: relative;
        }
        .kuso-about-history-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 80vh;
            position: relative;
        }
        .kuso-about-history-text-box {
            padding: 80px 8vw;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .kuso-about-history-tag {
            color: #007acc;
            font-size: 18px;
            margin-bottom: 16px;
        }
        .kuso-about-history-big-title {
            font-size: 36px;
            line-height: 1.4;
            margin-bottom: 24px;
            font-weight: 600;
        }
        .kuso-about-history-year-num {
            font-size: 58px;
            color: #007acc;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .kuso-about-history-desc {
            font-size: 16px;
            line-height: 1.8;
            color: #555;
        }
        .kuso-about-history-img-box {
            overflow: hidden;
        }
        .kuso-about-history-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* ========== 移动端适配 ========== */
        @media screen and (max-width: 1280px) {
            .kuso-about-nav-menu-pc {
                gap: 20px;
            }
        }
        @media screen and (max-width: 992px) {
            .kuso-about-nav-wrap {
                padding: 15px 25px;
                justify-content: space-between;
            }
            .kuso-about-nav-menu-wrap {
                display: none;
            }
            .kuso-about-nav-hamburger {
                display: block;
            }
            .kuso-about-history-item {
                grid-template-columns: 1fr;
            }
            .kuso-about-history-text-box {
                padding: 40px 25px;
            }
            .kuso-about-banner-title {
                font-size: 36px;
            }
            .kuso-about-banner-sub {
                font-size: 18px;
            }
            .kuso-about-history-big-title {
                font-size: 28px;
            }
            .kuso-about-history-year-num {
                font-size: 42px;
            }
        }
        @media screen and (max-width: 576px) {
            .kuso-about-banner-title {
                font-size: 28px;
            }
            .kuso-about-history-root {
                padding: 60px 0;
            }
            .kuso-about-history-big-title {
                font-size: 24px;
            }
        }
/* 分割线 */

        /* ========== 独立命名前缀 jy-dev-history- 避免样式污染 ========== */
        .jy-dev-history-wrap * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .jy-dev-history-wrap {
            width: 100%;
            padding: 80px 20px;
            background: #ffffff;
            overflow: hidden;
        }

        .jy-dev-history-container {
            max-width: 1440px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 120px 1.4fr;
            align-items: center;
            gap: 20px;
        }

        /* 左侧文案区域 */
        .jy-dev-history-left {
            padding-right: 20px;
        }
        .jy-dev-history-subtitle {
            font-size: 26px;
            color: #0099cc;
            display: inline-block;
            margin-bottom: 12px;
        }
        .jy-dev-history-main-title {
            font-size: 36px;
            line-height: 1.35;
            color: #111111;
            font-weight: 600;
            margin-bottom: 50px;
        }
        .jy-dev-history-content-wrap {
            position: relative;
            min-height: 180px;
        }
        .jy-dev-history-item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        .jy-dev-history-item.active {
            opacity: 1;
            visibility: visible;
            position: relative;
        }
        .jy-dev-history-year-num {
            font-size: 52px;
            font-weight: 700;
            color: #0099cc;
            display: block;
            margin-bottom: 16px;
        }
        .jy-dev-history-desc {
            font-size: 15px;
            line-height: 1.7;
            color: #444444;
        }

        /* ========== 中间弧形年份导航（匹配截图样式，横向弧形排布，3个年份起步） ========== */
        .jy-dev-history-nav {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .jy-dev-history-nav-inner {
            position: relative;
            width: 110px;
            height: 340px;
        }
        /* 弧形连接线 */
        .jy-dev-history-nav-line {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 90px;
            height: 340px;
            border: 1px solid #d8e8f2;
            border-radius: 50px;
            border-left: transparent;
            border-right: transparent;
            z-index: 1;
        }
        .jy-dev-history-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid #cce4f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #666;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 2;
        }
        /* 三个年份垂直位置，从小到大排布 2016 / 2019 / 2023 */
        .jy-dev-history-dot[data-target="2016"] {
            top: 15px;
        }
        .jy-dev-history-dot[data-target="2019"] {
            top: 142px;
        }
        .jy-dev-history-dot[data-target="2023"] {
            bottom: 15px;
        }
        .jy-dev-history-dot.active {
            background: #0099cc;
            color: #fff;
            border-color: #0099cc;
        }
        .jy-dev-history-dot:hover {
            border-color: #0099cc;
        }

        /* 右侧图片区域 */
        .jy-dev-history-right {
            overflow: hidden;
            border-radius: 6px;
        }
        .jy-dev-history-img-wrap {
            position: relative;
            width: 100%;
            padding-top: 68%;
        }
        .jy-dev-history-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        .jy-dev-history-img.active {
            opacity: 1;
            visibility: visible;
        }

        /* ========== 移动端适配 768px 以下 ========== */
        @media screen and (max-width: 768px) {
            .jy-dev-history-wrap {
                padding: 50px 15px;
            }
            .jy-dev-history-container {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto auto;
                gap: 35px;
            }
            /* 移动端改为横向弧形排布 */
            .jy-dev-history-nav-inner {
                width: 100%;
                height: 100px;
            }
            .jy-dev-history-nav-line {
                width: 95%;
                height: 80px;
                border-radius: 99px;
                border-top: transparent;
                border-bottom: transparent;
            }
            .jy-dev-history-dot {
                top: 50% !important;
                transform: translateY(-50%);
            }
            .jy-dev-history-dot[data-target="2016"] {
                left: 8%;
                transform: translateY(-50%);
            }
            .jy-dev-history-dot[data-target="2019"] {
                left: 50%;
                transform: translate(-50%, -50%);
            }
            .jy-dev-history-dot[data-target="2023"] {
                left: 92%;
                transform: translateY(-50%);
            }
            .jy-dev-history-main-title {
                font-size: 26px;
            }
            .jy-dev-history-year-num {
                font-size: 40px;
            }
            .jy-dev-history-left {
                padding-right: 0;
            }
        }
/* 分割线 */


/* 独立命名前缀 jy-business-expand- 样式隔离 */
.jy-business-expand-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jy-business-expand-wrap {
  width: 100%;
  padding: 60px 20px;
  background: #fff;
  overflow: hidden;
}

.jy-business-expand-container {
  max-width: 1440px;
  margin: 0 auto;
}

.jy-business-expand-title {
  font-size: 38px;
  font-weight: 600;
  color: #111;
  margin-bottom: 35px;
}

/* 卡片容器横向排布 */
.jy-business-expand-box {
  display: flex;
  height: 520px;
  gap: 6px;
}

/* 单个卡片基础样式 */
.jy-business-expand-item {
  position: relative;
  flex: 1;
  height: 100%;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
/* 默认收缩宽度 */
.jy-business-expand-item:not(.active) {
  flex: 0.6;
}
/* 激活展开宽度 */
.jy-business-expand-item.active {
  flex: 3.2;
}

.jy-business-expand-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 底部名称文字 */
.jy-business-expand-label {
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

/* 展开后底部详情面板 */
.jy-business-expand-desc {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease 0.2s;
}
.jy-business-expand-item.active .jy-business-expand-desc {
  opacity: 1;
  visibility: visible;
}
.jy-business-expand-desc h4 {
  font-size: 18px;
  margin-bottom: 12px;
}
.jy-business-expand-desc p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 14px;
}
.jy-business-expand-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}
.jy-business-expand-more .circle {
  width: 26px;
  height: 26px;
  border: 1px solid #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===================== 移动端适配 ===================== */
@media screen and (max-width: 768px) {
  .jy-business-expand-wrap {
    padding: 40px 12px;
  }
  .jy-business-expand-title {
    font-size: 26px;
    margin-bottom: 25px;
  }
  .jy-business-expand-box {
    height: 420px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
  }
  .jy-business-expand-item {
    scroll-snap-align: start;
    min-width: 140px;
  }
  .jy-business-expand-item.active {
    min-width: 280px;
  }
}
/* 分割线 */

/* 独立命名前缀 jy-customer- 完全隔离样式，避免全局冲突 */
.jy-customer-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jy-customer-wrap {
  width: 100%;
  padding: 70px 20px;
  background-color: #ffffff;
}

.jy-customer-container {
  max-width: 1440px;
  margin: 0 auto;
  text-align: center;
}

/* 标题样式 */
.jy-customer-title {
  font-size: 28px;
  color: #0099cc;
  margin-bottom: 20px;
  font-weight: 500;
}

/* 描述文案 */
.jy-customer-desc {
  max-width: 900px;
  margin: 0 auto 45px;
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
}

/* 客户Logo网格容器 固定三行布局 */
.jy-customer-logo-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 35px 20px;
  align-items: center;
}

/* 单个Logo项 */
.jy-customer-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 5px;
}
.jy-customer-logo-item img {
  max-width: 100%;
  max-height: 55px;
  object-fit: contain;
  
  opacity: 0.85;
  transition: all 0.3s ease;
}
/* hover取消灰度，增强质感 */
.jy-customer-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ========== 移动端适配 ========== */
@media screen and (max-width: 1199px) {
  .jy-customer-logo-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .jy-customer-wrap {
    padding: 45px 15px;
  }
  .jy-customer-title {
    font-size: 24px;
  }
  .jy-customer-desc {
    font-size: 15px;
  }
  .jy-customer-logo-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px 15px;
  }
  .jy-customer-logo-item img {
    max-height: 45px;
  }
}
@media screen and (max-width: 480px) {
  .jy-customer-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* 分割线 */

/* 独立命名前缀 jy-contact- 样式隔离，不污染全局 */
.jy-contact-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jy-contact-wrap {
  width: 100%;
  padding: 90px 20px;
  /* 背景图设置 */
  position: relative;
  text-align: center;
      height: 800px;
}
/* 半透明蒙版，提升文字可读性 */
.jy-contact-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.65);
  z-index: 1;
}

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

/* 主标题 */
.jy-contact-title {
  font-size: 42px;
  color: #111111;
  font-weight: 600;
  margin-bottom: 60px;
}

/* 三地信息容器 三栏均分 */
.jy-contact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 单个地址区块 */
.jy-contact-item {
  padding: 0 15px;
}
.jy-contact-place {
  font-size: 19px;
  color: #111;
  font-weight: 500;
  margin-bottom: 14px;
}
.jy-contact-company {
  font-size: 16px;
  color: #333;
  line-height: 1.6;
  margin-bottom: 8px;
}
.jy-contact-tel,
.jy-contact-email {
  font-size: 16px;
  color: #333;
  line-height: 1.7;
}

/* ========== 移动端适配 ========== */
@media screen and (max-width: 768px) {
  .jy-contact-wrap {
    padding: 60px 15px;
  }
  .jy-contact-title {
    font-size: 30px;
    margin-bottom: 40px;
  }
  /* 移动端三列变单列，垂直堆叠 */
  .jy-contact-row {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .jy-contact-place {
    font-size: 18px;
  }
}
/* 分割线 */

/* 独立前缀 jy-footer- 样式隔离，不污染全局样式 */
.jy-footer-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jy-footer-wrap {
  width: 100%;
  background-color: #191919;
  padding: 70px 20px 30px;
  color: #ffffff;
}

.jy-footer-container {
  max-width: 100%;
  margin: 0 210px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

/* 左侧三列导航容器 */
.jy-footer-nav-group {
  display: flex;
  gap: 80px;
}

/* 单列导航 */
.jy-footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.jy-footer-nav-col a {
  color: #e6e6e6;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.25s ease;
}
.jy-footer-nav-col a:hover {
  color: #37a4c7;
}

/* 右侧Logo区域 */
.jy-footer-logo-box {
  text-align: right;
  height: 120px;
    text-align: right;
    display: flex;
    gap: 40px;
}
.jy-footer-logo {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.jy-footer-logo-sub {
  font-size: 15px;
  color: #999;
}

/* 底部分割线+版权栏 */
.jy-footer-copyright-bar {
  max-width: 1440px;
  margin: 50px auto 0;
  padding-top: 25px;
  border-top: 1px solid #333333;
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: #888888;
}

/* ========== 移动端适配 ========== */
@media screen and (max-width: 992px) {
  .jy-footer-container {
    flex-direction: column;
    gap: 40px;
  }
  .jy-footer-logo-box {
    text-align: left;
  }
}
@media screen and (max-width: 768px) {
  .jy-footer-wrap {
    padding: 50px 15px 25px;
  }
  .jy-footer-nav-group {
    gap: 40px;
    flex-wrap: wrap;
  }
  .jy-footer-logo {
    font-size: 34px;
  }
  .jy-footer-copyright-bar {
    flex-direction: column;
    gap: 12px;
  }
}
@media screen and (max-width: 480px) {
  .jy-footer-nav-group {
    flex-direction: column;
    gap: 30px;
  }
}
/* product.html */

/* ========== 独立命名前缀 jy-banner- 全局样式隔离 ========== */
.jy-banner-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 导航容器固定在顶部 */
.jy-banner-nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  padding: 16px 30px;
  transition: all 0.35s ease;
}
/* 滚动后激活白色底色类 */
.jy-banner-nav-wrap.jy-banner-nav-scroll {
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.jy-banner-nav-container {
    max-width: 100%;
    margin: 0 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Logo */
.jy-banner-logo {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  transition: color 0.35s ease;
}
.jy-banner-nav-scroll .jy-banner-logo {
  color: #0088bb;
}

/* 导航菜单 */
.jy-banner-nav-menu {
  display: flex;
  gap: 82px;
   justify-content: space-between;
}
.jy-banner-nav-menu a {
  color: #000000;
  text-decoration: none;
  font-size: 18px;
  position: relative;
  padding: 6px 0;
  transition: color 0.35s ease;
}
/* 滚动后文字变黑 */
.jy-banner-nav-scroll .jy-banner-nav-menu a {
  color: #222222;
}
/* 当前页面下划线激活 */
.jy-banner-nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: #00a0d2;
}

/* 右侧图标区 */
.jy-banner-nav-icons {
  display: flex;
  gap: 18px;
}
.jy-banner-icon-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.35s ease;
}
.jy-banner-nav-scroll .jy-banner-icon-btn {
  border-color: #222;
  color: #222;
}

/* ========== 首屏Banner主体 ========== */
.jy-banner-main {
  width: 100%;
  height: 100vh;
  min-height: 600px;
 
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.jy-banner-main::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.50);
  z-index: 1; /* 蒙版层级 */
}
/* 内部文字内容提层级，避免被蒙版盖住 */
.jy-banner-main > * {
  position: relative;
  z-index: 2;
}
/* 居中播放按钮 */



/* 中间文案 */
.jy-banner-slogan {
  font-size: 62px;
  margin-bottom: 45px;
  letter-spacing: 8px;
}

/* 底部下滑引导 */
.jy-banner-scroll-guide {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}
.jy-banner-scroll-text {
  font-size: 14px;
  margin-bottom: 8px;
}
.jy-banner-scroll-icon {
  width: 28px;
  height: 42px;
  border: 1px solid #fff;
  border-radius: 20px;
  margin: 0 auto;
  position: relative;
}
.jy-banner-scroll-icon::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: jy-banner-mouseMove 1.6s infinite ease-in-out;
}
@keyframes jy-banner-mouseMove {
  0% {top:6px; opacity:1;}
  100% {top:22px; opacity:0;}
}

/* ========== 移动端适配 ========== */
@media screen and (max-width: 992px) {
  .jy-banner-nav-menu {
    display: none;
  }


  .jy-banner-slogan {
    font-size: 18px;
  }
}
@media screen and (max-width: 768px) {
  .jy-banner-nav-wrap {
    padding: 12px 15px;
  }
  .jy-banner-logo {
    font-size: 24px;
  }
  .jy-banner-main {
    min-height: 520px;
  }
}
/* 分割线 */

/* 独立前缀 jy-wind-intro- 样式完全隔离，不污染全局 */
.jy-wind-intro-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jy-wind-intro-wrap {
  width: 100%;
  padding: 80px 20px;
  background-color: #ffffff;
}

.jy-wind-intro-container {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

/* 左侧图片区域 */
.jy-wind-intro-img-box {
  width: 100%;
}
.jy-wind-intro-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 右侧文字区域（已移除侧边线条） */
.jy-wind-intro-text-box {
  padding-left: 0;
}

.jy-wind-intro-title {
  font-size: 38px;
  font-weight: 600;
  color: #111111;
  margin-bottom: 24px;
}
.jy-wind-intro-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #333333;
}

/* ========== 移动端适配 768px以下 ========== */
@media screen and (max-width: 768px) {
  .jy-wind-intro-wrap {
    padding: 50px 15px;
  }
  /* 移动端左右布局转为上下布局 */
  .jy-wind-intro-container {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .jy-wind-intro-title {
    font-size: 28px;
  }
}
/* 分隔线 */

    /* 独立命名前缀 wind-flow- 避免样式污染 */
    .wind-flow-wrap {
      width: 100%;
      padding: 40px 20px;
      background-color: #ffffff;
      box-sizing: border-box;
    }
    .wind-flow-title {
      text-align: center;
      font-size: 32px;
      font-weight: 600;
      color: #222;
      margin: 0 0 40px 0;
    }
    /* 两行容器，每行单独弹性居中 */
    .wind-flow-row {
      display: flex;
      justify-content: center;
      gap: 30px;
      margin-bottom: 30px;
    }
    /* 清除最后一行下边距 */
    .wind-flow-row:last-child {
      margin-bottom: 0;
    }

    .wind-flow-item {
      width: 140px;
      text-align: center;
    }
    .wind-flow-icon-box {
      width: 90px;
      height: 90px;
      margin: 0 auto 12px;
      border-radius: 12px;
      background: #fff;
      border: 1px solid #e8edf5;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
      cursor: pointer;
    }
    .wind-flow-icon {
      font-size: 36px;
      color: #37a4c7;
      transition: color 0.25s ease;
    }
    .wind-flow-text {
      font-size: 15px;
      color: #333;
      transition: color 0.25s ease;
      margin: 0;
    }
    /* hover 切换样式：白底蓝图标 → 蓝底白图标 */
    .wind-flow-item:hover .wind-flow-icon-box {
      background-color: #37a4c7;
      border-color: #37a4c7;
    }
    .wind-flow-item:hover .wind-flow-icon {
      color: #ffffff;
    }
    .wind-flow-item:hover .wind-flow-text {
      color: #37a4c7;
    }

    /* 移动端适配 */
    @media screen and (max-width: 992px) {
      .wind-flow-row {
        flex-wrap: wrap;
      }
    }
    @media screen and (max-width: 768px) {
      .wind-flow-title {
        font-size: 24px;
        margin-bottom: 25px;
      }
      .wind-flow-row {
        gap: 20px 15px;
      }
      .wind-flow-icon-box {
        width: 75px;
        height: 75px;
      }
      .wind-flow-icon {
        font-size: 28px;
      }
      .wind-flow-text {
        font-size: 13px;
      }
      .wind-flow-item {
        width: 110px;
      }
    }
/* 分割线 */

    /* 独立命名前缀 wind-fitting- 避免样式冲突 */
    .wind-fitting-wrap {
      width: 100%;
      padding: 80px 20px;
      box-sizing: border-box;
      background: #ffffff;
    }
    .wind-fitting-container {
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      display: flex;
      align-items: flex-start;
    }
    /* 左侧图片容器 */
    .wind-fitting-img-box {
      width: 58%;
      position: relative;
      z-index: 1;
    }
    .wind-fitting-img {
      width: 100%;
      display: block;
      box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    }
    /* 右侧黑色文字面板，部分左叠图片 */
    .wind-fitting-text-box {
      width: 55%;
      background-color: #191919;
      color: #fff;
      padding: 50px 40px;
      position: relative;
      left: -80px;
      top: 30px;
      z-index: 2;
      box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    }
    .wind-fitting-subtitle {
      font-size: 16px;
      color: #cccccc;
      margin: 0 0 8px;
    }
    .wind-fitting-title {
      font-size: 32px;
      margin: 0 0 20px;
      font-weight: 600;
      letter-spacing: 1px;
      border-bottom: 1px solid #666;
      padding-bottom: 15px;
    }
    .wind-fitting-desc {
      line-height: 1.8;
      font-size: 15px;
      color: #e0e0e0;
      margin-bottom: 35px;
    }
    .wind-fitting-info-item {
      display: flex;
      margin-bottom: 16px;
      font-size: 15px;
    }
    .wind-fitting-info-label {
      width: 110px;
      color: #aaa;
    }
    .wind-fitting-info-value {
      flex: 1;
      color: #fff;
    }

    /* 移动端适配 */
    @media screen and (max-width: 992px) {
      .wind-fitting-container {
        flex-direction: column;
      }
      .wind-fitting-img-box {
        width: 100%;
      }
      .wind-fitting-text-box {
        width: 100%;
        left: 0;
        top: -30px;
        padding: 35px 25px;
      }
      .wind-fitting-title {
        font-size: 26px;
      }
    }
    @media screen and (max-width: 576px) {
      .wind-fitting-wrap {
        padding: 50px 15px;
      }
      .wind-fitting-text-box {
        padding: 25px 20px;
      }
      .wind-fitting-title {
        font-size: 22px;
      }
      .wind-fitting-info-item {
        flex-direction: column;
      }
      .wind-fitting-info-label {
        width: auto;
        margin-bottom: 4px;
      }
    }
 /* 分割线 */

    /* 独立前缀 wind-banner- 防止样式污染 */
    .wind-banner-wrap {
      width: 100%;
      position: relative;
      overflow: hidden;
    }
    /* 背景图容器 */
    .wind-banner-bg {
      width: 100%;
      display: block;
      object-fit: cover;
    }
    /* 居中文字+图标容器 */
    .wind-banner-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
      color: #ffffff;
    }
    .wind-banner-icon {
      height: 200px;
      margin: 0 auto 12px;
      opacity: 0.95;
    }
    .wind-banner-text {
      font-size: 42px;
      font-weight: 500;
      margin: 0;
      letter-spacing: 2px;
    }

   

    /* 平板适配 */
    @media screen and (max-width: 992px) {
      .wind-banner-text {
        font-size: 30px;
      }
      .wind-banner-icon {
        width: 55px;
        height: 55px;
      }
    
    }
    /* 手机移动端适配 */
    @media screen and (max-width: 576px) {
      .wind-banner-text {
        font-size: 22px;
        letter-spacing: 1px;
      }
      .wind-banner-icon {
        width: 42px;
        height: 42px;
      }
     
    }
/* news.html */

    /* ========== 全局独立命名前缀 news-list- ========== */
    .news-list-wrap {
      width: 100%;
      padding: 60px 20px;
      box-sizing: border-box;
      background-color: #f8f9fa;
    }
    .news-list-container {
      max-width: 100%;
      margin: 0 100px;
    }

    /* 区块标题 */
    .news-list-title-box {
      text-align: center;
      margin-bottom: 40px;
    }
    .news-list-title {
      font-size: 32px;
      color: #1a1a1a;
      margin: 0 0 10px;
      font-weight: 600;
    }
    .news-list-subtitle {
      font-size: 15px;
      color: #666;
      margin: 0;
    }

    /* 新闻列表容器 */
    .news-list-ul {
      list-style: none;
      padding: 0;
      margin: 0 0 45px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    /* 单条新闻项 */
    .news-list-li {
      display: flex;
      background: #ffffff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 12px rgba(0,0,0,0.06);
      transition: all 0.28s ease;
    }
    .news-list-li:hover {
      transform: translateY(-4px);
      box-shadow: 0 6px 20px rgba(22, 119, 255, 0.15);
    }

    /* 新闻缩略图 */
    .news-list-img-box {
      width: 270px;
      flex-shrink: 0;
    }
    .news-list-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 新闻文字区域 */
    .news-list-text-box {
      flex: 1;
      padding: 22px 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-list-top-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 15px;
      margin-bottom: 12px;
    }
    .news-list-news-title {
      font-size: 19px;
      color: #1a1a1a;
      margin: 0;
      font-weight: 500;
      line-height: 1.4;
      transition: color 0.22s;
    }
    .news-list-li:hover .news-list-news-title {
      color: #37a4c7;
    }
    .news-list-date {
      font-size: 14px;
      color: #999;
      white-space: nowrap;
    }
    .news-list-desc {
      font-size: 15px;
      color: #666;
      line-height: 1.7;
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* 分页组件 */
    .news-list-page-box {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
    }
    .news-list-page-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      border: 1px solid #dde2eb;
      background: #fff;
      color: #333;
      cursor: pointer;
      transition: all 0.22s;
    }
    .news-list-page-btn.active,
    .news-list-page-btn:hover {
      background: #37a4c7;
      border-color: #37a4c7;
      color: #fff;
    }
    .news-list-page-dot {
      padding: 0 8px;
      color: #999;
    }

    /* ========== 移动端适配 ========== */
    @media screen and (max-width: 992px) {
      .news-list-wrap {
        padding: 45px 15px;
      }
      .news-list-title {
        font-size: 28px;
      }
      .news-list-img-box {
        width: 220px;
      }
    }
    @media screen and (max-width: 768px) {
      .news-list-li {
        flex-direction: column;
      }
      .news-list-img-box {
        width: 100%;
        height: 200px;
      }
      .news-list-text-box {
        padding: 18px 20px;
      }
      .news-list-news-title {
        font-size: 17px;
      }
      .news-list-top-row {
        flex-direction: column;
      }
      .news-list-page-btn {
        width: 36px;
        height: 36px;
      }
    }
    @media screen and (max-width: 576px) {
      .news-list-title {
        font-size: 24px;
      }
    }
/* news-detail.html */

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Microsoft Yahei", system-ui, sans-serif;
    }
    body {
      background-color: #f5f7fa;
      color: #333;
      line-height: 1.8;
    }
    /* 容器 */
    .container {
      max-width: 100%;
      margin: 30px 100px;
      padding: 0 15px;
      display: grid;
      grid-template-columns: 900px 340px;
      gap: 80px;
      justify-content: center;
    }
    @media (max-width: 992px) {
      .container {
        grid-template-columns: 1fr;
      }
    }
    /* 主内容卡片 */
    .article-card {
      background: #fff;
      padding: 35px;
      border-radius: 8px;
      box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    }
    /* 标题 */
    .article-title {
      font-size: 28px;
      line-height: 1.4;
      margin-bottom: 16px;
      font-weight: 600;
      text-align: center;
    }
    /* 新闻元信息 */
    .article-meta {
      font-size: 14px;
      color: #999;
      padding-bottom: 18px;
      border-bottom: 1px solid #eee;
      margin-bottom: 25px;
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }
    /* 正文 */
    .article-content p {
      font-size: 16px;
      margin-bottom: 18px;
      text-indent: 2em;
    }
    .article-content img {
      max-width: 100%;
      border-radius: 6px;
      margin: 20px auto;
      display: block;
    }
    /* 上下篇 */
    .prev-next {
      margin-top: 35px;
      padding-top: 25px;
      border-top: 1px solid #eee;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap:10px;
    }
    .prev-next a {
      color: #37a4c7;
      text-decoration: none;
    }
    /* 侧边栏 */
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .side-box {
      background: #fff;
      border-radius: 8px;
      padding: 20px;
      box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    }
    .side-title {
      font-size: 17px;
      padding-bottom: 12px;
      border-bottom: 2px solid #37a4c7;
      margin-bottom: 15px;
    }
    .recommend-list li {
      list-style: none;
      padding: 9px 0;
      border-bottom: 1px dashed #eee;
    }
    .recommend-list a {
      color: #444;
      text-decoration: none;
      font-size: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .recommend-list a:hover {
      color: #37a4c7;
    }
/* contact.html */

    /* 独立命名前缀 contact-us- 防止全局样式冲突 */
    .contact-us-wrap {
      width: 100%;
      padding: 70px 20px;
      box-sizing: border-box;
      background-color: #ffffff;
    }
    .contact-us-container {
      max-width: 100%;
      margin: 0 100px;
    }

    /* 页面头部标题 */
    .contact-us-title-box {
      text-align: center;
      margin-bottom: 50px;
    }
    .contact-us-title {
      font-size: 34px;
      color: #1a1a1a;
      margin: 0 0 12px;
      font-weight: 600;
    }
    .contact-us-subtitle {
      font-size: 15px;
      color: #666;
      margin: 0;
    }

    /* 表单+信息 横向容器 */
    .contact-us-row {
      display: flex;
      gap: 40px;
      margin-bottom: 50px;
    }

    /* 左侧留言表单 */
    .contact-us-form-box {
      flex: 1;
      background: #f8f9fa;
      padding: 35px 30px;
      border-radius: 12px;
    }
    .contact-us-form-title {
      font-size: 20px;
      margin: 0 0 25px;
      color: #222;
      padding-bottom: 12px;
      border-bottom: 2px solid #37a4c7;
      display: inline-block;
    }
    .contact-us-form-item {
      margin-bottom: 20px;
    }
    .contact-us-form-label {
      display: block;
      font-size: 14px;
      color: #444;
      margin-bottom: 8px;
    }
    .contact-us-form-input,
    .contact-us-form-textarea {
      width: 100%;
      box-sizing: border-box;
      padding: 12px 15px;
      border: 1px solid #dde2eb;
      border-radius: 6px;
      font-size: 15px;
      transition: border 0.24s;
      outline: none;
    }
    .contact-us-form-input:focus,
    .contact-us-form-textarea:focus {
      border-color: #37a4c7;
    }
    .contact-us-form-textarea {
      min-height: 120px;
      resize: vertical;
    }
    .contact-us-submit-btn {
      padding: 13px 36px;
      background-color: #37a4c7;
      color: #fff;
      border: none;
      border-radius: 6px;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.24s;
    }
    .contact-us-submit-btn:hover {
      background-color: #2d8ca8;
    }

    /* 右侧联系方式 */
    .contact-us-info-box {
      width: 360px;
    }
    .contact-us-info-title {
      font-size: 20px;
      margin: 0 0 25px;
      color: #222;
      padding-bottom: 12px;
      border-bottom: 2px solid #37a4c7;
      display: inline-block;
    }
    .contact-us-info-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .contact-us-info-item {
      display: flex;
      gap: 16px;
      margin-bottom: 26px;
      align-items: flex-start;
    }
    .contact-us-info-icon {
      width: 44px;
      height: 44px;
      flex-shrink: 0;
      background-color: #37a4c7;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
    }
    .contact-us-info-text h4 {
      margin: 0 0 6px;
      font-size: 16px;
      color: #222;
      font-weight: 500;
    }
    .contact-us-info-text p {
      margin: 0;
      font-size: 15px;
      color: #666;
      line-height: 1.6;
    }
    .contact-us-info-text a {
      color: #37a4c7;
      text-decoration: none;
    }

    /* 地图区块 */
    .contact-us-map-box {
      width: 100%;
      height: 500px;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid #eee;
    }
    .contact-us-map-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* ========== 移动端适配 ========== */
    @media screen and (max-width: 992px) {
      .contact-us-row {
        flex-direction: column;
      }
      .contact-us-info-box {
        width: 100%;
      }
      .contact-us-map-box {
        height: 300px;
      }
    }
    @media screen and (max-width: 768px) {
      .contact-us-wrap {
        padding: 50px 15px;
      }
      .contact-us-title {
        font-size: 28px;
      }
      .contact-us-row {
        gap: 30px;
      }
      .contact-us-form-box {
        padding: 28px 22px;
      }
      .contact-us-map-box {
        height: 260px;
      }
    }
    @media screen and (max-width: 576px) {
      .contact-us-title {
        font-size: 24px;
      }
      .contact-us-info-item {
        margin-bottom: 20px;
      }
    }
  





/* 产品下面图片添加滤镜 */




    .wind-banner-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}
/* 黑色半透明遮罩滤镜 */
.wind-banner-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.45); /* 0~1数值越大越暗 */
  z-index: 1;
}
/* 背景图铺满 */
.wind-banner-bg {
  width: 100%;
  height: auto;
  display: block;
}
/* 文字内容层级置顶，避免被遮罩盖住 */
.wind-banner-content {
  z-index: 2;
}









/* 链接清除默认样式，继承li布局 */
.news-list-link {
  display: flex;
  gap: 20px;
  text-decoration: none;
  color: inherit;
  width: 100%;
}
/* 鼠标悬浮轻微变色交互 */
.news-list-link:hover .news-list-news-title {
  color: #37a4c7;
}
/* 关于我们 */

    /* 外层容器可自定义前缀，适配你的 jy/jywl 命名规范 */
    .jy-about-wrap {
      padding: 80px 15px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .jy-about-row {
      display: flex;
      align-items: center;
      gap: 50px;
    }
    .jy-about-img-box {
      width: 50%;
    }
    .jy-about-img-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }
    .jy-about-text-box {
      width: 50%;
    }
    .jy-about-title {
      font-size: 32px;
      font-weight: 600;
      margin: 0 0 20px;
      color: #222;
    }
    .jy-about-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #555;
      margin-bottom: 15px;
    }
    /* 移动端适配 */
    @media (max-width: 768px) {
      .jy-about-row {
        flex-direction: column;
        gap: 30px;
      }
      .jy-about-img-box,
      .jy-about-text-box {
        width: 100%;
      }
      .jy-about-wrap {
        padding: 50px 15px;
      }
    }