* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --mob-spacing: 20px;
}


.web-padding_tb {
    padding: 100px 0;
}
.web-mt {
    margin-top: 100px;
}
.web-mb {
    margin-bottom: 100px;
}
.container {
    max-width: 1500px;
    margin: 0 auto;
}
.max-container {
    max-width: 1920px;
    margin: 0 auto;
}



@media (max-width: 1500px) {
   .container {
        padding: 0 var(--mob-spacing);
    } 
}

@media (max-width: 768px) {
    .web-padding_tb {
        padding: 60px 0;
    }
    .web-mt {
        margin-top: 60px;
    }
    .web-mb {
        margin-bottom: 60px;
    }

    .diamond-line_container, .section-line_container, .gradient—line_container {
        margin-bottom: 30px;
    }
}









/* 初始隐藏body内容 */
body {
    /*display: none !important;*/
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}
/* 加载完成后显示的类 */
body.loaded {
    /*display: block !important;*/
    opacity: 1;
    visibility: visible;
}












/* ---------------------------栏目大图--------------------------- */
.column-image_banner {
  width: 100%;
  height: 480px;
  position: relative;
  overflow: hidden;
}

.column-image_banner .banner-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.column-image_banner .banner-mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 60%;
  height: 100%;
  /* 线性渐变：左半透明深蓝，向右完全透明 */
  /* background: linear-gradient(to right, #ff7d0b36, rgba(0, 72, 176, 0)); */
}

.column-image_banner .banner-text {
  position: absolute;
  left: 8%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  color: #fff;
}

.column-image_banner .banner-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 16px;
}

.column-image_banner .breadcrumb {
  font-size: 18px;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 8px;
}
.column-image_banner .breadcrumb a {
    text-decoration: none;
    color: inherit;
}



@media (max-width: 1200px) {
  .column-image_banner {
    height: 400px;
  }

  .column-image_banner .banner-title {
    font-size: 52px;
  }
}

@media (max-width: 768px) {
  .column-image_banner {
    height: 320px;
  }

  .column-image_banner .banner-title {
    font-size: 38px;
  }

  .column-image_banner .breadcrumb {
    font-size: 16px;
  }

  .column-image_banner .banner-mask {
    width: 80%;
  }
}


















/* ---------------------------导航--------------------------- */
.custom-navbar-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* 容器 */
.custom-navbar-container {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
    /*background: #ffffff05;*/
    /* 毛玻璃效果 */
    /*backdrop-filter: blur(5px);*/
    /* padding: 20px 0; */
    transition: all 0.5s;
}

.custom-navbar-container:hover, .custom-navbar-container.scrolled {
    background: #ffffffb0;
    /* padding: 10px 0; */
}

.custom-navbar-container.scrolled .custom-navbar-item {
    padding: 30px 0;
}

.custom-navbar-container.scrolled {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.02);
}

/* 导航栏 */
.custom-navbar {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 32px;
    /* height: 76px; */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

/* Logo */
.custom-navbar-logo img {
    width: 150px;
    height: auto;
    display: block;
    cursor: pointer;
}

/* 菜单 */
.custom-navbar-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.custom-navbar-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 40px;
    transition: all 0.25s;
    white-space: nowrap;
}

.custom-navbar-container:hover .custom-navbar-link ,
.custom-navbar-container.scrolled .custom-navbar-link {
    color: #000000;
}

.custom-navbar-container .custom-navbar-link.active {
    color: #ff7b0b;
    /* background: #eff6ff; */
}

.custom-navbar-container .custom-navbar-link:hover {
    color: #ff7b0b;
    transform: translateY(-1px);
}

.custom-navbar-item {
    padding: 40px 0;
    transition: padding 0.5s;
}

/* 下拉菜单容器 */
.custom-navbar-item.has-sub {
    position: relative;
}

.custom-navbar-submenu {
    position: absolute;
    top: calc(100%);
    left: 0;
    min-width: 220px;
    background: #ffffff;
    list-style: none;
    border-radius: 12px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.2s, transform 0.25s, visibility 0.2s;
    box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
}

.custom-navbar-item.has-sub:hover > .custom-navbar-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 二级菜单项 */
.custom-navbar-subitem {
    position: relative;
}

.custom-navbar-sublink {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s;
}

.custom-navbar-sublink:hover {
    background: #f1f5f9;
    color: #ff7b0b;
    padding-left: 22px;
}

/* 三级菜单 */
.custom-navbar-submenu.third-level {
    top: -12px;
    left: 100%;
    transform: translateX(12px);
}

.custom-navbar-subitem.has-sub:hover > .custom-navbar-submenu.third-level {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

/* 下拉箭头 */
.has-sub > .custom-navbar-sublink::after {
    content: "›";
    font-size: 1.2rem;
    margin-left: 12px;
    opacity: 0.7;
}

.custom-navbar-item.has-sub > .custom-navbar-link::after {
    content: "⌵";
    font-size: 0.8rem;
    margin-left: 6px;
    display: inline-block;
    transition: transform 0.2s;
}

/* .custom-navbar-item.has-sub:hover > .custom-navbar-link::after {
    transform: rotate(180deg);
} */

/* 右侧功能区 */
.custom-navbar-extra {
    display: flex;
    align-items: center;
    gap: 5px;
}

.custom-navbar-search {
    display: flex;
    align-items: center;
    background: #ffffffab;
    border: 1px solid #eef2ff;
    border-radius: 48px;
    padding: 0 8px 0 16px;
    height: 42px;
}

/* .custom-navbar-search:focus-within {
    border-color: #3b82f6;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
} */

.custom-navbar-search-input {
    border: none;
    outline: none;
    background: transparent;
    padding: 0 8px;
    width: 115px;
    font-size: 0.85rem;
    color: #000;
}

.custom-navbar-search-input::placeholder {
    color: #000000ab;
}

.custom-navbar-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 8px 6px;
    color: #000000;
    transition: color 0.2s;
}

.custom-navbar-search-btn:hover {
    color: #ff7b0b;
}

.custom-navbar-lang-select {
    height: 42px;
    padding: 0 28px 0 16px;
    border: 1px solid #fff6ee;
    border-radius: 40px;
    outline: none;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    background: #000 url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%234b5563" stroke-width="2"><polyline points="6 9 12 15 18 9"></polyline></svg>') no-repeat right 12px center;
    appearance: none;
    color: #1e293b;
}

/* .custom-navbar-lang-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
} */

/* 汉堡按钮 - 默认隐藏 */
.custom-navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 30px;
    transition: background 0.2s;
}

.custom-navbar-toggle span {
    width: 24px;
    height: 2.5px;
    background: #1e293b;
    border-radius: 4px;
    transition: all 0.25s ease;
}

/* 响应式 - 移动端样式 (仅视觉，不实现交互效果) */
@media (max-width: 768px) {
    
    .custom-navbar-container {
        position: relative;
    }
    
    .custom-navbar {
        padding: 0 20px;
        height: 68px;
    }

    /* 桌面菜单和右侧功能区在移动端隐藏 */
    .custom-navbar-menu,
    .custom-navbar-extra {
        display: none;
    }

    /* 汉堡按钮在移动端显示 */
    .custom-navbar-toggle {
        display: flex;
    }

    /* 可选：移动端Logo稍微缩小 */
    .custom-navbar-logo a {
        font-size: 1.5rem;
    }
}

/* 平板适配 - 保持桌面样式，仅微调间距 */
@media (max-width: 1024px) and (min-width: 769px) {
    .custom-navbar {
        padding: 0 24px;
    }
    .custom-navbar-search-input {
        width: 130px;
    }
}

@media (max-width: 820px) and (min-width: 769px) {
    .custom-navbar-extra {
        gap: 12px;
    }
}


















/* ---------------------------轮播--------------------------- */
.banner-swiper {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.banner-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-swiper .swiper-slide {
    position: relative;
    overflow: hidden;
}

/* 轮播文字 */
.banner-text-content {
    position: absolute;
    left: 8%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    max-width: 640px;
    color: #fff;
    pointer-events: none;
}

.banner-text-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}

.banner-text-desc {
    font-size: clamp(14px, 1.6vw, 20px);
    line-height: 1.7;
    opacity: 0.9;
    text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .banner-text-content {
        left: 20px;
        right: 20px;
        max-width: none;
        text-align: center;
    }
    .banner-text-title {
        font-size: 24px;
    }
    .banner-text-desc {
        font-size: 13px;
    }
}

/* .banner-swiper .slide-inner {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
} */

.banner-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    margin: 0 6px !important;
    transition: all 0.3s ease;
    opacity: 1 !important;
}

.banner-swiper .swiper-pagination-bullet-active {
    width: 30px;
    background: #ffffff;
}

.banner-swiper .swiper-pagination {
    bottom: 20px !important;
}

.banner-swiper .swiper-button-next,
.banner-swiper .swiper-button-prev {
    width: 44px;
    /* 按钮大小 */
    height: 44px;
    color: #fff;
    /* 箭头颜色 */
    background: rgba(0, 0, 0, 0.3);
    /* 半透明背景 */
    border-radius: 50%;
    /* 圆形按钮 */
    border: 2px solid rgba(255, 255, 255, 0.5);
    /* 边框 */
    transition: all 0.3s ease;
}

.banner-swiper .swiper-button-next:hover,
.banner-swiper .swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #000;
    /* hover变色 */
    border-color: #fff;
}

.banner-swiper .swiper-button-next:after,
.banner-swiper .swiper-button-prev:after {
    font-size: 18px;
    /* 箭头大小 */
    font-weight: bold;
}

.banner-swiper .swiper-button-prev {
    right: 120px;
    bottom: 30px;
    left: inherit;
    top: initial;
}

.banner-swiper .swiper-button-next {
    bottom: 30px;
    right: 50px;
    left: inherit;
    top: inherit;
}

@media (max-width: 1024px) {
    .banner-swiper .swiper-button-next,
    .banner-swiper .swiper-button-prev {
        display: none;
    }
}

@media (max-width: 768px) {
    .banner-swiper {
        height: auto;
    }
    .banner-swiper .swiper-slide {
        height: 70vh;
        min-height: 380px;
    }
    .banner-swiper .swiper-slide img {
        object-fit: cover;
    }
}

.banner-swiper .swiper-button-next,
.banner-swiper .swiper-button-prev {
    width: 32px;
    height: 32px;
}

.banner-swiper .swiper-button-next:after,
.banner-swiper .swiper-button-prev:after {
    font-size: 14px;
}




















/* ---------------------------底部--------------------------- */
footer {
    width: 100%;
    background-color: #333;
    color: #ccc;
    padding: 50px 20px 30px;
}

.footer-wrap {
    max-width: 1200px;
    margin: 0 auto;
}

/* 内容布局 - PC 端横向排列 */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

/* 左侧公司信息 */
.footer-company {
    flex: 0 1 360px;
    margin-bottom: 20px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

/* .logo-red {
    width: 60px;
    height: 60px;
    background-color: #C72B27;
} */

.company-title h3 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 4px;
}

.company-title p {
    font-size: 12px;
    color: #aaa;
}

.company-info {
    font-size: 14px;
    line-height: 1.9;
    color: #ccc;
}

/* 右侧导航组 */
.footer-nav-group {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.nav-item h4 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 16px;
}

.nav-item ul {
    list-style: none;
}

.nav-item li {
    margin-bottom: 10px;
}

.nav-item a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-item a:hover {
    color: #fff;
}

/* 版权 */
.footer-copyright {
    max-width: 1200px;
    margin: 45px auto 0;
    padding-top: 20px;
    border-top: 1px solid #555;
    text-align: center;
    font-size: 14px;
    color: #999;
}

/* ===================== 响应式 ===================== */
/* 平板 */
@media (max-width: 992px) {
    .footer-nav-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
    }

    .footer-company {
        flex: none;
        width: 100%;
    }

    .footer-nav-group {
        display: none;
    }
}

/* 小屏手机 */
@media (max-width: 400px) {
    .footer-nav-group {
        display: none;
    }
}


















/* ---------------------------标题--------------------------- */
.culture-title {
    text-align: center;
    margin-bottom: 50px;
}

/* ===== 中文标题 ===== */
.cn-title {
    font-size: 28px;
    color: #222;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    position: relative;
    line-height: 1.3;
}

/* 左右装饰线 */
.cn-title::before,
.cn-title::after {
    content: '';
    display: block;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ff7b0b, transparent);
    border-radius: 1px;
}

.cn-title_b {
    font-size: 28px;
    color: #ffffff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    position: relative;
    line-height: 1.3;
}

.cn-title_b::before,
.cn-title_b::after {
    content: '';
    display: block;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
    border-radius: 1px;
}

/* ===== 英文副标题 ===== */
.en-title {
    font-size: 13px;
    color: #999;
    /* letter-spacing: 5px; */
    margin-top: 12px;
    text-transform: uppercase;
    font-weight: 300;
}

.en-title_b {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 5px;
    margin-top: 12px;
    text-transform: uppercase;
    font-weight: 300;
}