:root {
  --color-primary: #f9731d;
  --color-dark: #374151;
  --color-darker: #2f3243;
  --color-deep-blue: #0d1851;
  --color-gray: #999999;
  --color-white: #ffffff;
  --color-border: #e5e7eb;
  --color-ababab: #ababab;
  --opacity-light: .5;
  --opacity-medium: .6;
  --opacity-heavy: .7;

  /* 头部尺寸变量 */
  --header-normal-height: 88px;
  --header-sticky-height: 60px;
  --header-height-diff: 16px;

  --footer-text-light: rgba(255, 255, 255, 0.85);
  --footer-text-soft: rgba(255, 255, 255, 0.65);

  /* 过渡曲线：平滑缓动 */
  --transition-smooth: all 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif;
  font-feature-settings: normal;
  touch-action: manipulation;
  font-size: 16px;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 0;
}

button {
  transition: var(--transition-smooth);
}

@media (min-width: 1500px) {

  .container,
  .container-lg,
  .container-md,
  .container-sm,
  .container-xl,
  .container-xxl {
    max-width: 1430px;
  }
}

.sptb {
  padding: 100px 0;
}

.spt {
  padding-top: 100px;
}

.spb {
  padding-bottom: 100px;
}

/* 单行截断 */
.text-ellipsis-1 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

/* 超出两行显示省略号 */
.text-ellipsis-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

/* 超出三行显示省略号 */
.text-ellipsis-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}


/* ---------- 头部 ---------- */
.custom-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  position: sticky;
  top: 0;
  z-index: 1050;
  height: var(--header-normal-height);
  /* 关键：让高度变化有过渡效果 */
  transition: height 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: height, box-shadow;
}

/* 当头部处于吸顶状态（缩小） */
.custom-header.is-sticky {
  height: var(--header-sticky-height);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.navbar-custom {
  padding: 0;
  height: 100%;
  transition: height 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.logo-placeholder {
  display: inline-block;
  width: 140px;
  height: 46px;
  background: #e9ecef;
  border-radius: 6px;
  color: #6c757d;
  font-size: 0.9rem;
  text-align: center;
  line-height: 46px;
  font-weight: 500;
  letter-spacing: 1px;
  border: 1px dashed #ced4da;
  transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 吸顶时logo略微缩小 */
.custom-header.is-sticky .logo-placeholder {
  width: 120px;
  height: 38px;
  line-height: 38px;
  font-size: 0.8rem;
}

/* Logo图片在吸顶时缩放 */
.custom-header.is-sticky .navbar-brand img {
  height: 38px !important;
  width: auto !important;
}

.header-icons {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 70px;
  transition: gap 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.custom-header.is-sticky .header-icons {
  gap: 0.7rem;
}

.header-icons .icon-item {
  color: var(--color-white);
  font-size: 1.2rem;
  font-size: 18px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.header-icons .icon-item>i{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  font-size: 14px;
}

@media (max-width: 1419px) {
  .header-icons {
    display: none;
  }
}

@media (max-width: 991.98px) {
  .header-icons {
    display: flex;
  }

  .header-icons .icon-item>i {
    width: 22px;
    height: 22px;
    font-size: 12px;
  }
}

/* .custom-header.is-sticky .header-icons .icon-item {
  font-size: 1rem;
} */

.header-icons .phone-number {
  font-size: 0.95rem;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-dark);
  transition: font-size 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* .custom-header.is-sticky .header-icons .phone-number {
  font-size: 0.82rem;
} */

.menu-toggle-btn {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-dark);
  padding: 0 0.2rem;
  line-height: 1;
  transition: font-size 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.custom-header.is-sticky .menu-toggle-btn {
  font-size: 1.5rem;
}

/* ---------- 桌面端导航 ---------- */
.desktop-nav-wrapper {
  display: flex;
  align-items: center;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-nav .nav-link {
  color: var(--color-dark);
  font-weight: 500;
  font-size: 18px;
  padding: 0 1rem;
  line-height: var(--header-normal-height);
  position: relative;
  white-space: nowrap;
  display: inline-block;
  transition: line-height 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
    font-size 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
    padding 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.custom-header.is-sticky .desktop-nav .nav-link {
  line-height: var(--header-sticky-height);
  /* font-size: 15px; */
  /* padding: 0 0.8rem; */
}

.desktop-nav .nav-link.active-link {
  color: var(--color-primary);
}

.desktop-nav .nav-link.active-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 4px 4px 0 0;
  transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.custom-header.is-sticky .desktop-nav .nav-link.active-link::after {
  height: 2.5px;
  left: 0.8rem;
  right: 0.8rem;
}

.desktop-nav .dropdown-toggle::after {
  display: none !important;
}

.desktop-nav .dropdown {
  position: relative;
}

.desktop-nav .dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #ffffff;
  margin-top: 0;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.desktop-nav .dropdown:hover .dropdown-menu,
.desktop-nav .dropdown-menu:hover {
  display: block;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.desktop-nav .dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
  background: transparent;
}

.desktop-nav .dropdown-item {
  padding: 0.4rem 1.5rem;
  color: var(--color-dark);
  transition: var(--transition-smooth);
  display: block;
}

.desktop-nav .dropdown-item:hover {
  background-color: #f8f9fa;
  color: var(--color-primary);
}

/* 产品巨型下拉 - 限定PC端生效 */
@media (min-width:992px) {
  .product-mega-dropdown {
    width: 1200px;
    padding: 1.2rem 1.5rem 1.5rem;
    border-radius: 14px;
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin-top: 0;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .product-dropdown:hover .product-mega-dropdown,
  .product-mega-dropdown:hover {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }
}

.product-mega-dropdown::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
  background: transparent;
}

.product-tabs-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 18px;
  border-bottom: 1px solid #f0f0f0;
  padding-bottom: 12px;
}

.product-tab-btn {
  background-color: var(--color-ababab);
  color: var(--color-white);
  border: none;
  /* border-radius: 30px; */
  padding: 0.2rem 0.2rem;
  font-weight: 500;
  font-size: 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.product-tab-btn:hover {
  background-color: #d4d4d4;
  /* transform: scale(1.02); */
}

.product-tab-btn.active-tab {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 8px rgba(249, 115, 29, 0.25);
}

.product-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.product-card {
  display: flex;
  flex-direction: row-reverse;
  gap: 6px;
  background: #fafbfc;
  background: var(--color-white);
  padding: 0.8rem 0.6rem;
  /* border: 1px solid #f0f2f5; */
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  align-items: center;
}

.product-card:hover {
  background: #f2f4f8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.product-card .product-thumb {
  width: 80px;
  height: 80px;
  /* background: #e9ecef; */
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #9ca3af;
  flex-shrink: 0;
}

.product-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card .product-content {
  flex: 1;
  text-align: left;
}

.product-card .product-name {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 14px;
  margin-bottom: 2px;
}

.product-card .product-desc {
  font-size: 0.75rem;
  color: var(--color-gray);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

.product-panel {
  display: none;
  animation: fadeIn 0.25s ease;
}

.product-panel.active-panel {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0.3;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 移动端侧滑菜单 ---------- */
.offcanvas-start {
  width: 280px !important;
  background-color: #ffffff;
  border-right: 1px solid var(--color-border);
}

.offcanvas-header {
  border-bottom: 1px solid #f0f0f0;
  padding: 1rem 1.2rem;
}

.offcanvas-body {
  padding: 0.5rem 0;
}

.mobile-nav-list>li {
  border-bottom: 1px solid #f5f5f5;
}

.mobile-nav-list>li:last-child {
  border-bottom: none;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.2rem;
  color: var(--color-dark);
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.mobile-nav-link:hover {
  background-color: #f8f9fa;
  color: var(--color-primary);
}

.mobile-nav-link .link-text {
  flex: 1;
}

.sub-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  font-size: 0.9rem;
  color: #6b7280;
  transition: all 0.25s ease;
  flex-shrink: 0;
  margin-left: 0.5rem;
  cursor: pointer;
}

.sub-arrow:hover {
  background: #f0f0f0;
}

.sub-arrow.open {
  transform: rotate(180deg);
}

.sub-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: #fafbfc;
  display: none;
  border-top: 1px solid #f0f0f0;
}

.sub-menu.open {
  display: block;
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sub-menu li {
  border-bottom: 1px solid #f0f0f0;
}

.sub-menu a {
  display: block;
  padding: 0.7rem 1.2rem 0.7rem 2.2rem;
  color: #4b5563;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.sub-menu a:hover {
  background-color: #f2f4f8;
  color: var(--color-primary);
}

.mobile-nav-link.active-link {
  color: var(--color-primary);
}

/* 响应式断点 */
@media (max-width: 991.98px) {
  .desktop-nav-wrapper {
    display: none !important;
  }

  .header-icons .phone-number {
    font-size: 0.85rem;
  }

  .header-icons {
    gap: 0.8rem;
    margin-left: 0;
  }

  .product-tabs-nav {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

@media (min-width: 992px) {
  .mobile-toggle-wrapper {
    display: none !important;
  }

  .offcanvas-start {
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

.btn-close:focus {
  box-shadow: none;
}


/* 友情链接区块 */
.footer-link-block {
  background-color: #f9f9f9;
  padding: 50px 0;
}

.link-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.link-line-mark {
  width: 6px;
  height: 28px;
  background-color: var(--color-primary);
}

.link-title {
  font-size: 28px;
  font-weight: 600;
  color: #2f3243;
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-size: 28px;
  color: #2f3243;
  letter-spacing: 0;
  text-align: justify;
  font-weight: 500;
}

.friend-link-item {
  font-size: 18px;
  color: #666;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.friend-link-item a {
  opacity: .8;
  font-size: 18px;
  color: #2f3243;
  letter-spacing: 0;
  text-align: justify;
}

.friend-link-item a:hover {
  color: var(--color-primary);
}

/* 橙色主底部区域 */
.footer-main {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 60px 0 40px;
}

.footer-column-title {
  font-size: 20px;
  color: #fff;
  letter-spacing: 0;
  text-align: justify;
  font-weight: 500;
}

.footer-nav-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

/* .footer-nav-list li {
  margin-bottom: 10px;
} */

.footer-nav-list a {
  line-height: 2rem;
  opacity: .8;
  font-size: 16px;
  color: #fff;
  letter-spacing: 0;
  text-align: justify;
}

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

/* 右侧品牌联系方式 */
.footer-brand-area {
  /* text-align: right; */
}

.footer-logo-wrap {
  margin-bottom: 24px;
}

.footer-logo-text {
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
}

.footer-logo-slogan {
  font-size: 20px;
  opacity: 0.9;
  letter-spacing: 1px;
}

.footer-divider-line {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  margin: 24px 0;
}

.footer-contact-text {
  padding-top: 1.5rem;
  padding-bottom: 0;
  font-size: 16px;
  color: var(--color-white);
  letter-spacing: 0;
  text-align: justify;
}

.footer-tel {
  margin-top: .25rem;
  font-size: 46px;
  color: var(--color-white);
  letter-spacing: 0;
  text-align: justify;
  font-weight: 500;
}

.footer-email {
  margin-top: .75rem;
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  letter-spacing: 0;
  text-align: justify;
}

/* 底部版权栏 */
.footer-copyright {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 16px;
  color: var(--footer-text-soft);
  opacity: .8;
  font-size: 14px;
  color: #fff;
  letter-spacing: 0;
  text-align: justify;
}

/* 移动端适配 */
@media (max-width:991.98px) {
  .footer-brand-area {
    text-align: left;
    margin-top: 40px;
  }

  .footer-column {
    margin-bottom: 30px;
  }

  .footer-tel {
    font-size: 32px;
  }

  .link-title {
    font-size: 22px;
  }
}




/* ------------ 轮播图 --------------- */
.heroSwiper .swiper-slide {
  width: 100%;
  height: 100%;
}

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


.heroSwiper .swiper-pagination-bullet-active {
  background: #f9731d;
  box-shadow: 0 0 12px rgba(249, 115, 29, 0.4);
}

/* ===== 自定义箭头按钮 ===== */
.heroSwiper .swiper-button-custom {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  cursor: pointer;
}

.heroSwiper .swiper-button-custom svg {
  width: 40px;
  height: 40px;
  fill: #e6e6e6;
  transition: fill 0.3s ease;
}

.heroSwiper .swiper-button-custom:hover svg {
  fill: #e6e6e6;
}

/* 左箭头 - 旋转180度 */
.heroSwiper .swiper-button-prev-custom {
  left: 20px;
}

.heroSwiper .swiper-button-prev-custom svg {
  transform: rotate(180deg);
}

.heroSwiper .swiper-button-next-custom {
  right: 20px;
}



/* ====================== 产品板块独立样式 前缀 sec-prod- 防冲突 ====================== */
.sec-prod-wrap {
  background: #ffffff;
}

.sec-prod-title .en-title {
  text-transform: uppercase;
  font-size: 52px;
  letter-spacing: 2px;
  font-weight: 500;
  line-height: 72px;
  line-height: 1.2;
}

.sec-prod-title .cn-title {
  font-size: 52px;
  color: var(--color-darker);
  letter-spacing: 0;
  font-weight: 500;
  line-height: 76px;
  line-height: 1.2;
  margin: 20px 0 0;
}

.sec-prod-title .more-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  color: var(--color-darker);
  letter-spacing: 0;
  margin-top: 22px;
  line-height: 32px;
  font-weight: 400;
}

.sec-prod-title .more-link:hover {
  color: var(--color-primary);
}

.sec-prod-title .more-link i {
  font-size: 18px;
}

/* 顶部分类按钮区域 */
.sec-prod-cate {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.sec-prod-tab-btn {
  border-radius: .25rem;
  border: solid 1px rgb(156 163 175);
  text-align: center;
  color: rgb(107 114 128);
  background: white;
  transition: all 0.2s;
  white-space: nowrap;
  padding: 12px 28px;
}

.sec-prod-tab-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

/* 更多下拉容器 - 加长悬浮缓冲区域，解决鼠标断开消失 */
.sec-prod-more-dropdown {
  position: relative;
}

/* 顶部10px透明缓冲层，扩大悬浮触点 */
.sec-prod-more-dropdown::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 10px;
  left: 0;
  top: 100%;
}

.sec-prod-more-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 140px;
  min-width: 110px;
  /* background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06); */
  /* padding: 12px; */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sec-prod-more-dropdown:hover .sec-prod-more-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 下拉内独立小按钮，和顶部按钮样式统一 */
.sec-prod-more-item {
  display: block;
  width: 100%;
  border: 1px solid var(--color-border);
  background: #fff;
  padding: 8px 12px;
  /* padding: 12px 28px; */
  font-size: 14px;
  color: var(--color-dark);
  border-radius: 2px;
  text-align: center;
  transition: all 0.2s;
}

.sec-prod-more-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 产品卡片样式（栅格交给Bootstrap控制） */
.sec-prod-card,
.sec-case-card {
  padding: 24px;
  padding: 20px 0;
  text-align: center;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* 奇偶交替背景色 */
.sec-prod-item:nth-child(odd) .sec-prod-card {
  background: #f7f8fa;
}

.sec-prod-item:nth-child(even) .sec-prod-card {
  background: #ffffff;
}

.sec-case-item:nth-child(4n+1) .sec-prod-card {
  background: #f7f8fa;
}

.sec-case-item:nth-child(4n+4) .sec-prod-card {
  background: #f7f8fa;
}

.sec-case-item:nth-child(4n+2) .sec-prod-card {
  background: #ffffff;
}

.sec-case-item:nth-child(4n+3) .sec-prod-card {
  background: #ffffff;
}

.sec-prod-card:hover {
  transform: translateY(-4px);
  /* box-shadow: 0 8px 22px rgba(0, 0, 0, 0.07); */
}

.sec-prod-card__img {
  width: 100%;
  /* height: 220px; */
  object-fit: contain;
  margin-bottom: 16px;
}

.sec-case-card__img {
  height: 220px;
}

.sec-prod-card__title {
  font-size: 24px;
  color: var(--color-darker);
  letter-spacing: 0;
  text-align: center;
  line-height: 28px;
  font-weight: 700;
  padding-bottom: 8px;
}

.sec-prod-card__desc {
  opacity: .5;
  font-size: 18px;
  color: #2f3243;
  letter-spacing: 0;
  text-align: center;
  line-height: 28px;
  padding: 0 60px;
  padding: 0 12px;
  margin-bottom: 0;
}

/* 响应式适配 */
@media (max-width: 991.98px) {
  .sec-prod-title {
    text-align: center;
  }

  .sec-prod-title .en-title {
    text-transform: uppercase;
    font-size: 38px;
    /* line-height: 56px; */
  }

  .sec-prod-title .cn-title {
    font-size: 40px;
    /* line-height: 54px; */
  }

  .sec-prod-title .more-link {
    font-size: 20px;
    line-height: 22px;
  }

  .sec-prod-item:nth-child(4n+1) .sec-prod-card {
    background: #f7f8fa;
  }

  .sec-prod-item:nth-child(4n+4) .sec-prod-card {
    background: #f7f8fa;
  }

  .sec-prod-item:nth-child(4n+2) .sec-prod-card {
    background: #ffffff;
  }

  .sec-prod-item:nth-child(4n+3) .sec-prod-card {
    background: #ffffff;
  }
}

@media (max-width: 767.98px) {
  .sec-prod-title {
    text-align: center;
  }

  .sec-prod-title .en-title {
    font-size: 26px;
    line-height: 44px;
  }

  .sec-prod-title .cn-title {
    font-size: 28px;
    /* line-height: 42px; */
    margin: 8px 0 0;
  }

  .sec-prod-title .more-link {
    font-size: 16px;
    margin-top: 8px;
  }

  .sec-prod-card__title {
    font-size: 14px;
    letter-spacing: 0;
    font-weight: 500
  }

  .sec-prod-card__desc {
    padding-bottom: 10px;
    opacity: .5;
    font-size: 11px;
    letter-spacing: 0;
    text-align: center;
    padding-left: 20px;
    padding-right: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
  }
}

@media (max-width: 575.98px) {
  .sec-prod-cate {
    flex-wrap: wrap;
  }
}





/* ====================== 关于我们板块 ====================== */
.sec-about-wrap {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

/* 通用标题 */
.sec-about-title {
  margin-bottom: 32px;
}

.sec-about-title.en-bg-text {
  position: absolute;
  left: 70px;
  top: 0;
  font-size: 120px;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.06);
  z-index: 0;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.sec-about-content {
  padding-top: 70px;
}

.sec-about-title h2 {
  margin: 0 0 8px;
  font-size: 48px;
  color: #2f3243;
  letter-spacing: 0;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.sec-about-title h2 span {
  opacity: .7;
  font-size: 32px;
  color: #2f3243;
  letter-spacing: 0;
  margin-left: 12px;
}

.sec-about-title p.sub-desc {
  font-size: 28px;
  color: #2f3243;
  letter-spacing: 1px;
  font-weight: 500;
  margin: 0;
}

/* 左侧文字介绍列表 */
.sec-about-text-list {
  margin: 40px 0 50px;
  padding-left: 16px;
  border-left: 2px solid var(--color-primary);
}

.sec-about-text-list li {
  font-size: 16px;
  color: #444;
  line-height: 2;
  margin-bottom: 6px;
  list-style: none;
}

@media (max-width: 991.98px) {
  .sec-about-title.en-bg-text {
    font-size: 80px;
    left: auto;
    right: 0;
  }

  .sec-about-content {
    padding-top: 35px;
  }
}

@media (max-width: 767.98px) {
  .sec-about-title.en-bg-text {
    font-size: 52px;
    left: auto;
    right: 12px;
  }

  .sec-about-content {
    padding-top: 18px;
  }

  .sec-about-title h2 {
    font-size: 25px;
    letter-spacing: 0;
    font-weight: 500;
  }

  .sec-about-title h2 span {
    font-size: 16px;
    letter-spacing: 0;
  }

  .sec-about-title p.sub-desc {
    margin-top: .5rem;
    font-size: 16px;
    letter-spacing: 0;
    font-weight: 500;
  }
}

/* ===== 底部三个数据统计模块（优化版） ===== */
.sec-about-data-row {
  display: flex;
  gap: 60px;
}

.sec-about-data-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sec-about-data-icon {
  width: 70px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sec-about-data-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 数字内容容器 - 让数字和单位在同一行 */
.sec-about-data-content {
  display: flex;
  flex-direction: column;
}

/* 数字+单位 包裹容器 - 水平排列 */
.sec-about-data-num-wrapper {
  display: flex;
  align-items: baseline;
  gap: 4px;
  line-height: 1;
}

.sec-about-data-num {
  font-size: 32px;
  font-weight: 500;
  color: var(--color-darker);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  /* 等宽数字，防止跳动 */
}

/* 单位样式 - 与数字分开，独立显示 */
.sec-about-data-unit {
  font-size: 18px;
  color: var(--color-darker);
  line-height: 1;
}

/* 文字说明 - 单独在下方 */
.sec-about-data-text {
  font-size: 16px;
  color: var(--color-gray);
  margin-top: 6px;
}

/* 右侧厂区图片+视频弹窗容器 */
.sec-about-img-box {
  position: relative;
  border-right: 10px solid var(--color-primary);
  border-bottom: 10px solid var(--color-primary);
  overflow: hidden;
}

.sec-about-img-box img {
  width: 100%;
  height: auto;
  display: block;
}

/* 中间播放圆形按钮 */
.sec-about-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: rgba(249, 115, 29, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  cursor: pointer;
}

.sec-about-play-btn:hover {
  background: var(--color-primary);
  transform: translate(-50%, -50%) scale(1.08);
}

.sec-about-play-btn i {
  font-size: 24px;
  color: var(--color-white);
}

.sec-about-play-btn svg {
  width: 32px;
  fill: #fff;
  margin-left: 6px;
}

/* 左下角箭头装饰 */
.sec-about-decor-arrow {
  position: absolute;
  left: 0;
  bottom: 40px;
  width: 80px;
  opacity: 0.6;
}

/* ===== 响应式适配 ===== */
@media (max-width: 991.98px) {
  .sec-about-wrap {
    padding: 60px 0;
  }

  .sec-about-data-row {
    gap: 30px;
    flex-wrap: wrap;
  }

  .sec-about-data-item {
    flex: 1;
    /* min-width: 140px; */
  }

  .sec-about-img-box {
    margin-top: 40px;
  }

  .sec-about-data-num {
    font-size: 28px;
  }
}

@media (max-width: 575.98px) {
  .sec-about-data-row {
    /* flex-direction: column; */
    gap: 24px;
  }

  .sec-about-data-icon {
    width: 36px;
  }

  .sec-about-play-btn {
    width: 70px;
    height: 70px;
  }

  .sec-about-data-row {
    gap: 16px;
  }

  .sec-about-data-item {
    gap: 8px;
  }

  .sec-about-data-num {
    font-size: 19px;
    letter-spacing: 0;
    font-weight: 600;
  }

  .sec-about-data-text {
    font-size: 11px;
    margin-top: 0;
  }
}


/* ======================  呼吁客户联系我们 ====================== */
.sec-banner-call-wrap {
  width: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.sec-banner-call-row {
  align-items: center;
}

/* 左侧品牌文案区域 */
.sec-banner-call-left {
  color: #ffffff;
}

.sec-banner-call-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.sec-banner-call-logo-img {
  width: 220px;
}

.sec-banner-call-logo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sec-banner-call-main-title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  margin: 0 0 16px;
}

.sec-banner-call-sub-desc {
  font-size: 28px;
  font-weight: 500;
  margin: 0;
}

/* 右侧热线电话区域 */
.sec-banner-call-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  color: #fff;
}

.sec-banner-call-phone-icon {
  width: 50px;
  height: 50px;
  border: solid 1px var(--color-white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.sec-banner-call-phone-text h4 {
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  margin: 0;
}

@media (max-width:991.98px) {
  .sec-banner-call-wrap {
    padding: 40px 0;
  }

  .sec-banner-call-row {
    row-gap: 32px;
  }

  .sec-banner-call-left,
  .sec-banner-call-right {
    text-align: center;
  }

  .sec-banner-call-right {
    justify-content: center;
  }

  .sec-banner-call-logo {
    justify-content: center;
  }

  .sec-banner-call-main-title,
  .sec-banner-call-phone-text h4 {
    font-size: 26px;
    font-weight: 500;
  }

  .sec-banner-call-sub-desc {
    font-size: 16px;
  }
}





/* ===== 通用表单卡片样式 ===== */
.form-card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  /* border: 1px solid #e5e7eb; */
  max-width: 720px;
  margin: 0 auto;
  height: 100%;
}

.form-common-wrap {
  border-bottom-right-radius: 1rem;
  border-bottom-left-radius: 1rem;
  background: white;
  padding: 34px 30px 30px;
  border-top-right-radius: 20px;
}

.form-card .form-title {
  border-radius: 12px 12px 0 0;
  background-color: #f9731d;
  overflow: hidden;
  width: 100%;
  height: 70px;
  display: flex;
  /* justify-content: center; */
  align-items: center;
  font-size: 22px;
  color: var(--color-primary);
  font-weight: 600;
  position: relative;
}

.form-card .form-title span {
  position: relative;
  z-index: 2;
  display: flex;
  width: 50%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
}

.form-card .form-title::before {
  position: absolute;
  width: 100%;
  height: 100%;
  content: "";
  top: 0;
  left: 50%;
  transform: translateX(-35%);
  background-image: url(../images/icon-img04.svg);
  background-repeat: no-repeat;
  background-size: auto 100%;
}


@media (max-width: 1199px) {}

.form-card .form-subtitle {
  font-size: 14px;
  color: #8a8fa8;
  margin-bottom: 28px;
  padding-left: 14px;
}

.form-card .form-label {
  font-weight: 500;
  font-size: 14px;
  color: #374151;
  margin-bottom: 4px;
}

.form-card .form-label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-card .form-control,
.form-card .form-select {
  /* border-radius: 8px;
  border: 1.5px solid #e5e7eb;
  padding: 10px 14px;
  font-size: 14px;
  transition: all 0.25s ease;
  background: #fafbfc; */
  height: 56px;
  width: 100%;
  border-radius: .5rem;
  border-width: 1px;
  padding-left: .75rem;
  padding-right: .75rem;
  font-size: 18px;
}

.form-card textarea.form-control {
  height: 7rem !important;
  width: 100%;
}

.form-card .form-control:focus,
.form-card .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(249, 115, 29, 0.12);
  background: #ffffff;
}

.form-card .form-control::placeholder {
  color: #b0b8c4;
  font-size: 18px;
}

.form-card .form-text {
  font-size: 12px;
  color: #8a8fa8;
  margin-top: 4px;
}

/* 提交按钮 */
.form-card .btn-submit {
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 16px;
  height: 56px;
  padding: 12px 36px;
  border-radius: 8px;
  border: none;
  transition: all 0.3s ease;
  width: 100%;
  cursor: pointer;
}

.form-card .btn-submit:hover {
  background: #e86a10;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249, 115, 29, 0.3);
}

.form-card .btn-submit:active {
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 767.98px) {
  .form-card .form-title {
    font-size: 20px;
  }

  .form-common-wrap {
    background: white;
    padding: 12px 24px 24px;
    border-radius: 0 20px 0 0
  }

  .form-card .btn-submit {
    font-size: 15px;
    padding: 12px 24px;
  }
}


/* ----------------- 客户展示 ------------------ */
.img-wrap img {
  max-width: 100%;
}

.img-wrap p {
  margin-bottom: 0;
}





/* ----------------- 客户评价 ------------------ */
.sec-customer-reviews {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

/* 轮播容器间距 */
.sec-cus-swiper-wrap {
  padding-bottom: 60px;
}

.sec-cus-swiper .swiper-wrapper {
  align-items: stretch;
}

.sec-cus-swiper .swiper-slide {
  height: 100% !important;
  ;
}

.sec-cus-card-wrap {
  border-radius: 12px;
  padding: 15px;
  background-color: var(--color-white);
  height: 100%;
}

/* 评价卡片 */
.sec-cus-card {
  border: 1px dashed #d8d8d8;
  border-radius: 12px;
  padding: 15px;
  height: 100%;
}

/* 头部头像+姓名单位行 */
.sec-cus-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: -30px;
  margin-bottom: 22px;
}

.sec-cus-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.sec-cus-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sec-cus-name-info h4 {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-darker);
  margin: 0 0 6px;
  text-align: right;
}

.sec-cus-name-info p {
  color: var(--color-darker);
  margin: 0;
  text-align: right;
}

/* 评价正文 */
.sec-cus-card__text {
  line-height: 1.7;
  color: var(--color-darker);
}

/* 底部左右切换按钮 */
.sec-cus-swiper-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
}

.sec-cus-btn {
  width: 56px;
  height: 56px;
  border: 1px solid #b9b9b9;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.sec-cus-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.sec-cus-btn svg {
  width: 24px;
  fill: var(--color-darker);
  transition: fill 0.2s;
}

.sec-cus-btn:hover svg {
  fill: #fff;
}

/* 响应式适配 */
@media (max-width: 1199.98px) {
  .sec-cus-card__head {
    margin-top: 0;
  }

  .sec-cus-name-info h4 {
    font-size: 20px;
  }

  .sec-cus-avatar {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 767.98px) {
  .sec-cus-card {
    padding: 24px 20px;
  }

  .sec-cus-btn {
    width: 48px;
    height: 48px;
  }
}


/* -------------------- 新闻 ------------------- */
.sec-news-wrap-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--color-darker);
}

.sec-news-wrap-link span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  background-color: var(--color-primary);
  color: var(--color-white);
}

.sec-news-card {
  background: #fff;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.07);
  padding: 32px 28px;
  height: 100%;
}

/* 卡片头部标题 */
.sec-news-card__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 24px;
}

.sec-news-card__cn {
  font-size: 30px;
  font-weight: 500;
  color: var(--color-darker);
  margin: 0;
}

.sec-news-card__en {
  font-size: 20px;
  color: var(--color-primary);
  margin: 0;
}

/* 顶部缩略图（仅新闻/技术服务卡片） */
.sec-news-card__img {
  width: 100%;
  height: 106px;
  object-fit: cover;
  display: block;
  /* margin-bottom: 20px; */
}

/* 资讯列表通用项 */
.sec-news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sec-news-list li {
  padding: 14px 0;
  border-bottom: 1px dashed #d1d1d1;
}

.sec-news-list li:last-child {
  border-bottom: none;
}

li.sec-news-faq-item {
  padding: 20px 14px;
  border: none;
}

/* 新闻/技术服务 带日期条目 */
.sec-news-item-link {
  display: block;
  color: var(--color-darker);
  font-size: 16px;
  text-decoration: none;
  transition: color 0.2s;
}

.sec-news-item-link:hover {
  color: var(--color-primary);
}

.sec-news-item-link::before {
  content: "–";
  color: var(--color-primary);
  margin-right: 8px;
}

.sec-news-item-date {
  font-size: 14px;
  color: var(--color-gray);
  margin-top: 6px;
}

/* FAQ常见问题 浅灰背景条目 */
.sec-news-faq-item {
  background: #f7f7f7;
  padding: 18px 16px;
  margin-bottom: 12px;
}

.sec-news-faq-item:last-child {
  margin-bottom: 0;
}

.sec-news-faq-link {
  color: var(--color-darker);
  font-size: 16px;
  text-decoration: none;
  transition: color 0.2s;
}

.sec-news-faq-link:hover {
  color: var(--color-primary);
}

/* 右侧查看全部链接 */
.sec-news-wrap-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  color: var(--color-darker);
  text-decoration: none;
  transition: color 0.2s;
}

.sec-news-wrap-link:hover {
  color: var(--color-primary);
}

.sec-news-wrap-link span {
  transition: transform 0.2s;
}

.sec-news-wrap-link:hover span {
  transform: translateX(4px);
}

/* 响应式适配 */
@media (max-width:1199.98px) {
  .sec-news-card__cn {
    font-size: 24px;
  }

  .sec-news-card__en {
    font-size: 18px;
  }
}

@media (max-width:767.98px) {
  .sec-news-card {
    padding: 24px 20px;
    margin-bottom: 24px;
  }
}



/* ------------------- 公司荣誉  --------------------- */
.sec-honor-wrap {
  /* height: 1118px; */
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
}

.sec-honor-wrap-bg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sec-honor-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.sec-honor-title .en-title,
.sec-honor-title .cn-title {
  color: var(--color-white);
}



/* ====================== 右侧悬浮联系栏 ====================== */
.float-contact-wrap {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
}

.float-contact-item {
  position: relative;
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: background 0.24s ease;
}

.float-contact-item i {
  font-size: 16px;
}

.float-contact-item::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 94px;
  height: 100%;
  background: transparent;
  z-index: -1;
}

.float-contact-item:hover {
  background: #024488;
}

.float-contact-item svg {
  width: 26px;
  fill: #fff;
}

.float-contact-item span {
  font-size: 13px;
  letter-spacing: 1px;
  white-space: nowrap;
}

.float-contact-tip {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.12);
  min-width: 220px;
  margin-right: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.22s ease;
  border-radius: .25rem;
  padding: .75rem 1rem;
  font-size: .875rem;
  line-height: 1.25rem;
  color: #6b7280;
}

/* 气泡尖角 */
.float-contact-tip::after {
  content: "";
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 8px 0 8px 8px;
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}

/* hover 显示气泡 */
.float-contact-item:hover .float-contact-tip {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 气泡内文字 */
.float-contact-tip__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-darker);
  margin: 0 0 6px;
}

.float-contact-tip__text {
  font-size: 15px;
  color: var(--color-darker);
  margin: 0;
}

.float-contact-tip__text a,
.float-contact-tip__text span {
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 600;
}

/* 移动端适配：缩小宽度、隐藏文字只留图标 */
@media (max-width:767.98px) {
  /* .float-contact-wrap {
    right: 8px;
    gap: 8px;
  } */

  .float-contact-item {
    width: 48px;
    height: 48px;
  }

  .float-contact-item svg {
    width: 22px;
  }

  /* 移动端隐藏按钮文字 */
  .float-contact-item span {
    display: none;
  }

  .float-contact-tip {
    min-width: 180px;
    padding: 12px 16px;
  }
}