* {
    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: 1580px;
    margin: 0 auto;
}
.max-container {
    max-width: 1920px;
    margin: 0 auto;
}


.diamond-line_container, .section-line_container, .gradient—line_container {
    margin-bottom: 50px;
}

@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;
    }
}
















/*=========================================================================
导航菜单
==========================================================================*/
.navbar-section_container {
    position: sticky;
    top: 0;
    z-index: 9999999;
    width: 100%;
}
.navbar-section_container .navbar-container {
    /* position: static;
    top: 0;
    z-index: 9999; */
    width: 100%;
    background: #ffffff;
    /* backdrop-filter: blur(5px); */
    transition: all 0.5s;
}

/* .navbar-section_container .navbar-container:hover,
.navbar-section_container .navbar-container.scrolled {
    position: fixed;
    background: #ffffff;
} */



.navbar-section_container .navbar-container.scrolled {
    /* position: fixed; */
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.02);
    animation: identifier 0.5s ease;
}

/* @keyframes identifier {
    from {transform: translateY(-100%);}
    to {transform: translateY(0);}
} */

.navbar-section_container .navbar {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.navbar-section_container .navbar-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.navbar-section_container .navbar-logo img {
    width: 180px;
    height: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.navbar-section_container .navbar-logo img:first-child {
    opacity: 1;
    position: absolute;
    pointer-events: none;
}

.navbar-section_container .navbar-logo img:last-child {
    opacity: 0;
}

.navbar-section_container .navbar-container.scrolled .navbar-logo img:first-child,
.navbar-section_container .navbar-container:hover .navbar-logo img:first-child {
    opacity: 0;
    position: relative;
    pointer-events: auto;
}

.navbar-section_container .navbar-container.scrolled .navbar-logo img:last-child,
.navbar-section_container .navbar-container:hover .navbar-logo img:last-child {
    opacity: 1;
    position: absolute;
    pointer-events: none;
}

.navbar-section_container .navbar-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.navbar-section_container .navbar-link {
    font-size: 1.1rem;
    font-weight: bold;
    color: #000;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 40px;
    transition: all 0.25s;
    white-space: nowrap;
}

/* .navbar-section_container .navbar-container:hover .navbar-link,
.navbar-section_container .navbar-container.scrolled .navbar-link {
    color: #fff;
} */

.navbar-section_container .navbar-container .navbar-link.active {
    color: #00519e;
    /* background: #eff6ff; */
}

.navbar-section_container .navbar-container .navbar-link:hover {
    color: #00519e;
    /* transform: translateY(-1px); */
}

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

.navbar-section_container .navbar-container.scrolled .navbar-item {
    transition: padding 0.1s;
    padding: 30px 0;
}

.navbar-section_container .navbar-item.has-sub {
    position: relative;
}

.navbar-section_container .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;
}

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

.navbar-section_container .navbar-subitem {
    position: relative;
}

.navbar-section_container .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;
}

.navbar-section_container .navbar-sublink:hover {
    background: #f1f5f9;
    color: #00519e;
    padding-left: 22px;
}

.navbar-section_container .navbar-submenu.third-level {
    top: -12px;
    left: 100%;
    transform: translateX(12px);
}

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

.navbar-section_container .has-sub>.navbar-sublink::after {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    margin-left: 12px;
    opacity: 0.7;
    display: inline-block;
    width: 14px;
    height: 14px;
}

.navbar-section_container .navbar-extra {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-section_container .navbar-search {
    display: flex;
    align-items: center;
    /* background: #f9fafb;
    border: 1px solid #eef2ff; */
    border-radius: 48px;
    padding: 0 8px 0 16px;
    height: 42px;
    cursor: pointer;
}

.navbar-section_container .navbar-search-input {
    border: none;
    outline: none;
    background: transparent;
    padding: 0 8px;
    width: 170px;
    font-size: 0.85rem;
    color: #1e293b;
}

.navbar-section_container .navbar-search-input::placeholder {
    color: #94a3b8;
}

.navbar-section_container .navbar-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 8px 6px;
    color: #5b6e8c;
    transition: color 0.2s;
}

.navbar-section_container .navbar-search-btn:hover {
    color: #00519e;
}

.navbar-section_container .navbar-lang-select {
    height: 42px;
    padding: 0 28px 0 16px;
    border: 1px solid #eef2ff;
    border-radius: 40px;
    outline: none;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    background: #f9fafb 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;
}

.navbar-section_container .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;
}



@media (max-width: 768px) {

    .navbar-section_container .navbar-container {
        background: #fff;
        backdrop-filter: blur(0);
    }

    .navbar-section_container .navbar-container:hover,
    .navbar-section_container .navbar-container.scrolled {
        background: #fff;
    }

    .navbar-section_container .navbar-container.scrolled .navbar-logo img:first-child,
    .navbar-section_container .navbar-container:hover .navbar-logo img:first-child {
        opacity: 1;
    }

    .navbar-section_container .navbar {
        padding: 0 20px;
        height: 68px;
    }

    .navbar-section_container .navbar-menu,
    .navbar-section_container .navbar-extra {
        display: none;
    }

    .navbar-section_container .navbar-toggle {
        display: flex;
    }


    /* 移动端固定第一个logo */
    /* .navbar-section_container .navbar-logo img:first-child {
        opacity: 1 !important;
        position: relative !important;
        pointer-events: auto !important;
    }

    .navbar-section_container .navbar-logo img:last-child {
        opacity: 0 !important;
        position: absolute !important;
        pointer-events: none !important;
    } */
    /* 移动端固定第二个logo */
    @media (max-width: 768px) {
        .navbar-section_container .navbar-logo img:first-child {
            opacity: 0 !important;
            position: absolute !important;
            pointer-events: none !important;
        }
        
        .navbar-section_container .navbar-logo img:last-child {
            opacity: 1 !important;
            position: relative !important;
            pointer-events: auto !important;
        }
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .navbar-section_container .navbar {
        padding: 0 24px;
    }

    .navbar-section_container .navbar-search-input {
        width: 130px;
    }
}

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










/*=========================================================================
底部
==========================================================================*/
.footer-section_container {
  position: relative;
  background-color: #00519e;
  color: #ffffff;
  padding: 40px 0;
}

.footer-section_container .footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-section_container .footer-left {
  flex: 1;
  min-width: 300px;
}

.footer-section_container .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 25px;
}

.footer-section_container .footer-logo-text h3 {
  font-size: 28px;
  font-weight: bold;
}

.footer-section_container .footer-logo-text p {
  font-size: 14px;
  opacity: 0.9;
}

.footer-section_container .contact-item {
  font-size: 18px;
  line-height: 2.2;
}

.footer-section_container .footer-right {
  display: flex;
  align-items: center;
  gap: 35px;
  min-width: 380px;
}

.footer-section_container .footer-right-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-section_container .footer-nav a {
  color: #fff;
  font-size: 18px;
  text-decoration: none;
  padding: 0 12px;
  position: relative;
}

.footer-section_container .footer-nav a:first-child {
  padding-left: 0;
}

.footer-section_container .footer-nav a:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 16px;
  background-color: #fff;
}

.footer-section_container .footer-nav a:first-child {
  padding-left: 0;
}

.footer-section_container .footer-nav a:last-child {
  border-right: none;
}

.footer-section_container .copyright {
  font-size: 16px;
  color: #e7e7e7;
  opacity: 0.95;
}

.footer-section_container .qrcode-box img {
  width: 130px;
  height: 130px;
  background: #fff;
  border-radius: 4px;
}

@media screen and (max-width: 768px) {
  .footer-section_container {
    padding: 35px 0;
    overflow: hidden; /* 兜底：防止任何子元素横向溢出 */
  }

  .footer-section_container .footer-wrap {
    flex-direction: column;
    align-items: center;
    gap: 25px;
    max-width: 100%;
  }

  .footer-section_container .footer-left,
  .footer-section_container .footer-right {
    /* 去掉桌面端固定 min-width，避免窄屏被强制撑宽溢出 */
    min-width: 0;
    width: 100%;
    max-width: 100%;
    text-align: center;
  }

  .footer-section_container .footer-logo {
    justify-content: center;
  }

  .footer-section_container .contact-item {
    text-align: center;
    font-size: 15px;
    line-height: 2;
    word-break: break-word; /* 长文本自动换行，不溢出 */
  }

  .footer-section_container .footer-right {
    flex-direction: column;
    gap: 20px;
  }

  .footer-section_container .footer-right-text {
    width: 100%;
    gap: 12px;
  }

  .footer-section_container .footer-nav {
    display: flex;
    flex-wrap: wrap; /* 导航链接放不下时换行，不撑破容器 */
    justify-content: center;
    row-gap: 10px;
  }

  .footer-section_container .footer-nav a {
    font-size: 15px;
    padding: 0 10px;
  }

  .footer-section_container .footer-nav a:first-child {
    padding-left: 0;
  }

  .footer-section_container .copyright {
    font-size: 13px;
  }

  .footer-section_container .qrcode-box img {
    width: 110px;
    height: 110px;
  }
}

@media screen and (max-width: 480px) {
  .footer-section_container .contact-item {
    font-size: 13px;
  }

  .footer-section_container .footer-nav a {
    font-size: 13px;
    padding: 0 8px;
  }

  .footer-section_container .footer-logo img {
    height: 40px;
  }

  .footer-section_container .qrcode-box img {
    width: 90px;
    height: 90px;
  }

  .footer-section_container .copyright {
    font-size: 11px;
    line-height: 1.8;
  }
}