@charset "utf-8";
/* ============================================
   滨州智宏海机械有限公司 - 全站共享样式
   基于参考站分析还原
   ============================================ */

/* === CSS 变量 === */
:root {
  --colour1: #bf0410;
  --colour2: #9e000a;
  --colour3: rgba(191,4,16,.25);
}

/* === 基础重置 === */
body {
  text-align: left;
  padding: 0;
  margin: 0;
  font-size: 14px;
  font-family: 'microsoft yahei', 'Microsoft YaHei', sans-serif;
  -webkit-text-size-adjust: none;
  height: auto;
  color: #333;
  background: #fff;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  padding-top: 95px;
}
html { min-width: 1280px; }
div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, p { padding: 0; margin: 0; }
pre, code, form, fieldset, legend, input, textarea, p, blockquote, th { padding: 0; margin: 0; }
fieldset { border: 0; }
a img { border: 0; padding: 0; margin: 0; }
i { font-style: normal; }
address, caption, cite, cite, code, dfn, em, th, var { font-weight: normal; font-style: normal; }
li { list-style-type: none; }
caption, th { text-align: left; }
h1, h2, h3, h4, h5, h6 { font-weight: normal; font-size: 100%; }
input, textarea, select { font-family: inherit; font-size: 100%; }
a:link, a:visited { color: #333; text-decoration: none; }
a:hover { color: var(--colour1); text-decoration: none; }

/* === 工具类 === */
.fl { float: left; }
.fr { float: right; }
.left { float: left; }
.right { float: right; }
.clear { clear: both; font-size: 0; margin: 0; padding: 0; display: block; height: 0; overflow: hidden; }
.clearfix { zoom: 1; }
.clearfix:before, .clearfix:after { visibility: hidden; display: block; font-size: 0; content: "."; clear: both; height: 0; }
.wrapper { width: 1200px; margin: 0 auto; }

/* === 自定义滚动条 === */
::-webkit-scrollbar { width: 8px; height: 8px; background-color: #F5F5F5; }
::-webkit-scrollbar-track { border-radius: 10px; background-color: #E2E2E2; }
::-webkit-scrollbar-thumb { border-radius: 10px; box-shadow: inset 0 0 6px rgba(0,0,0,0.3); background-color: #555; }

/* === 高光特效 === */
.white, .whites { position: relative; overflow: hidden; }
.white:after, .whites:after {
  content: '';
  position: absolute; left: -100%; top: 0;
  width: 100%; height: 100%;
  background-image: linear-gradient(0deg, rgba(255,255,255,0), rgba(255,255,255,.5), rgba(255,255,255,0));
  transform: skewx(-25deg);
}
.white:hover:after { left: 100%; transition: 1s; }
.whites:hover:after { left: 100%; transition: 0.5s; }

/* ==========================================
   顶部区域 — topbox 容器
   包含 lotbox(顶部信息栏) + menubox(导航栏)
   ========================================== */
.topbox {
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 999;
  background: #fff;
  box-shadow: 0 0 3px rgb(0 0 0 / 50%);
}

/* --- 顶部信息栏 lotbox --- */
.lotbox {
  /* 父容器 topbox 的 flex 子元素，不单独设置样式 */
}

/* Logo */
.lotbox .logo {
  padding-top: 7px;
  display: flex;
  align-items: center;
  text-decoration: none;
}
.lotbox .logo-icon {
  width: 60px;
  height: 60px;
  margin-right: 12px;
  flex-shrink: 0;
}
.lotbox .logo-text { line-height: 1.3; }
.lotbox .logo-brand {
  font-size: 20px;
  font-weight: bold;
  color: #111;
  display: block;
}
.lotbox .logo-tagline {
  font-size: 12px;
  color: #999;
  letter-spacing: 2px;
  display: block;
}

/* 顶部联系电话 */
.lotbox .top-tel {
  float: right;
  padding-top: 22px;
  font-size: 14px;
  color: #666;
}
.lotbox .top-tel .tel-icon {
  display: inline-block;
  width: 20px; height: 20px;
  background: var(--colour1);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}
.lotbox .top-tel .tel-num {
  font-size: 20px;
  font-weight: bold;
  color: var(--colour1);
  vertical-align: middle;
}

/* --- 导航栏 menubox --- */
.menubox { border-top: 1px solid #f2f2f2; }
.menubox .nav-list { float: left; }
.menubox .nav-list > .nav-item {
  float: left;
  position: relative;
  width: 96px;
  height: 50px;
  line-height: 50px;
  text-align: center;
}
.menubox .nav-list > .nav-item > .nav-link {
  font-size: 16px;
  color: #4f5050;
  display: block;
}
.menubox .nav-list > .nav-item.active > .nav-link,
.menubox .nav-list > .nav-item:hover > .nav-link {
  color: #fff;
  background: var(--colour1);
  border-radius: 8px;
  padding: 8px 10px;
  line-height: 1;
}

/* 下拉子菜单 */
.menubox .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -75px;
  width: 150px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 3px 10px rgb(0 0 0 / 10%);
  opacity: 0.9;
  z-index: 99;
}
.menubox .nav-item:hover .sub-menu { display: block; }
.menubox .sub-menu:before {
  content: '';
  border-top: 5px solid transparent;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 5px solid #333;
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  z-index: 999;
}
.menubox .sub-menu li { display: block; }
.menubox .sub-menu li a {
  color: #333;
  font-size: 14px;
  line-height: 40px;
  display: block;
  text-align: center;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.menubox .sub-menu li:last-child a { border: 0; }
.menubox .sub-menu li a:hover {
  color: #fff;
  background: var(--colour1);
}

/* 移动端汉堡菜单 */
.hamburger {
  display: none;
  float: right;
  width: 40px; height: 40px;
  margin-top: 5px;
  cursor: pointer;
  position: relative;
}
.hamburger span {
  display: block;
  width: 28px; height: 2px;
  background: #333;
  position: absolute;
  left: 6px;
  transition: all .3s;
}
.hamburger span:nth-child(1) { top: 10px; }
.hamburger span:nth-child(2) { top: 19px; }
.hamburger span:nth-child(3) { top: 28px; }
.hamburger.open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ==========================================
   Banner 轮播
   ========================================== */
.hero-banner {
  width: 100%;
  max-width: 1920px;
  position: relative;
  overflow: hidden;
  z-index: 0;
}
.hero-banner .banner-wrapper {
  width: 100%;
  position: relative;
}
.hero-banner .banner-slide {
  width: 100%;
  overflow: hidden;
  display: none;
}
.hero-banner .banner-slide:first-child { display: block; }
.hero-banner .banner-slide a { display: block; }
.hero-banner .banner-slide img {
  width: 100%;
  display: block;
}

/* Banner 分页点 */
.hero-banner .banner-dots {
  width: 1000px;
  line-height: 0; font-size: 0;
  text-align: center;
  position: absolute;
  left: 50%; margin-left: -500px;
  bottom: 15px;
  z-index: 3;
}
.hero-banner .banner-dots span {
  width: 8px; height: 8px;
  margin: 0 4px;
  display: inline-block;
  cursor: pointer;
  background: #fff;
  opacity: .5;
  border-radius: 10px;
  transition: all .5s;
  outline: none;
}
.hero-banner .banner-dots span.active {
  width: 16px;
  opacity: 1;
}

/* Banner 箭头 */
.hero-banner .banner-prev, .hero-banner .banner-next {
  width: 65px; height: 100px;
  position: absolute;
  top: 50%; margin-top: -50px;
  background: rgba(0,0,0,.3);
  z-index: 5;
  opacity: 0;
  cursor: pointer;
  transition: opacity .3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-banner .banner-prev { left: 4%; border-radius: 0 8px 8px 0; }
.hero-banner .banner-next { right: 4%; border-radius: 8px 0 0 8px; }
.hero-banner:hover .banner-prev, .hero-banner:hover .banner-next { opacity: .8; }
.hero-banner .banner-prev:after, .hero-banner .banner-next:after {
  content: '';
  display: block;
  width: 20px; height: 20px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
}
.hero-banner .banner-prev:after { transform: rotate(-135deg); margin-left: 8px; }
.hero-banner .banner-next:after { transform: rotate(45deg); margin-right: 8px; }

/* ==========================================
   搜索栏
   ========================================== */
.search-bar {
  height: 80px;
  background: #eff1f4;
  overflow: hidden;
}
.search-bar .search-hot {
  color: #333;
  font-size: 16px;
  line-height: 80px;
  height: 80px;
}
.search-bar .search-hot b {
  position: relative; top: 2px;
  color: var(--colour1);
  font-size: 20px;
  font-weight: bold;
  font-family: 'Arial';
  padding-right: 5px;
}
.search-bar .search-hot a {
  font-size: 16px;
  color: rgba(57,57,57,.6);
  padding-right: 25px;
}
.search-bar .search-hot a:hover { color: var(--colour1); }

.search-bar .search-form-wrap {
  width: 330px;
  height: 80px;
  background: var(--colour1);
  position: relative;
}
.search-bar .search-form {
  width: 282px;
  position: absolute;
  left: 50%; margin-left: -141px;
  top: 50%; transform: translateY(-50%);
}
.search-bar .search-form .search-input {
  width: 234px;
  color: #fff;
  font-size: 14px;
  padding-left: 10px;
  outline: none;
  border: 0;
  background: none;
}
.search-bar .search-form .search-btn {
  width: 24px; height: 24px;
  background: none;
  border: 0;
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #fff;
  font-size: 18px;
}

/* ==========================================
   首页内容区
   ========================================== */
.index { line-height: 1.5; }

/* 区块标题 */
.section-title {
  font-size: 38px;
  font-weight: bold;
  color: #111;
  text-align: center;
  padding-bottom: 30px;
}
.section-title span { color: var(--colour1); }

/* 查看更多按钮 */
.section-more { position: relative; z-index: 1; }
.section-more a, .btn-more {
  position: relative;
  display: block;
  width: 198px;
  color: #fff;
  font-size: 16px;
  line-height: 46px;
  text-align: center;
  margin: 0 auto;
  border-radius: 50px;
  border: 1px solid var(--colour1);
  background: var(--colour1);
}
.section-more a:hover, .btn-more:hover {
  border-color: #111;
  background: #111;
  color: #fff;
}

/* ==========================================
   关于我们区块
   ========================================== */
.abt-section {
  max-width: 1920px;
  margin: 0 auto;
  height: 680px;
  padding: 88px 0;
  box-sizing: border-box;
  background: #f8f8f8;
}
.abt-section .abt-box { position: relative; }
.abt-section .abt-img-box {
  position: relative;
  width: 607px;
  height: 500px;
  color: #fff;
}
.abt-section .abt-img-box:after {
  content: ' ';
  position: absolute;
  right: 0; top: 0;
  width: 425px; height: 100%;
  background: var(--colour1);
}
.abt-section .abt-img-box > div { position: relative; z-index: 1; }
.abt-section .abt-img-box .abt-en {
  position: relative;
  margin: 25px 0;
  margin-left: 40px;
  color: #fff;
  font-size: 47px;
  font-weight: bold;
  line-height: 37px;
  text-align: left;
}
.abt-section .abt-img-box .abt-en:after {
  content: ' ';
  position: absolute;
  top: 50%; left: -38px;
  width: 23px; height: 4px;
  transform: translateY(-50%);
  background: var(--colour1);
}
.abt-section .abt-img-box .abt-en span { color: #111; }
.abt-section .abt-img-box .abt-pic {
  width: 520px; height: 300px;
}
.abt-section .abt-img-box .abt-pic img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  transition: all 1s;
}
.abt-section .abt-img-box .abt-pic:hover img { transform: scale(1.1); }
.abt-section .abt-img-box .abt-tit {
  width: 520px;
  padding-top: 25px;
  text-align: right;
}
.abt-section .abt-img-box .abt-tit h3 { font-size: 16px; padding-bottom: 10px; }
.abt-section .abt-img-box .abt-tit p { font-size: 12px; font-family: 'Arial'; }

.abt-section .abt-txt-box { width: 520px; }
.abt-section .abt-txt-box .section-title {
  color: var(--colour1);
  padding-top: 50px;
  padding-bottom: 0;
  text-align: left;
}
.abt-section .abt-txt-box .section-title span { color: #111; }
.abt-section .abt-txt-box .abt-con { margin-top: 50px; }
.abt-section .abt-txt-box .abt-con h3 {
  position: relative;
  font-size: 24px;
}
.abt-section .abt-txt-box .abt-con p {
  color: rgba(0,0,0,.7);
  font-size: 16px;
  line-height: 30px;
  text-align: justify;
  margin-top: 18px;
}

/* ==========================================
   产品展示区块
   ========================================== */
.pro-section { padding: 70px 0; }
.pro-section .pro-tabs { margin-bottom: 30px; text-align: center; }
.pro-section .pro-tabs .pro-tab {
  display: inline-block;
  width: 184px; height: 43px;
  color: #828283;
  font-size: 15px;
  line-height: 43px;
  margin: 7px;
  border: 1px solid #d5d4d5;
  border-radius: 30px;
  cursor: pointer;
  transition: all .5s;
}
.pro-section .pro-tabs .pro-tab:hover,
.pro-section .pro-tabs .pro-tab.on {
  color: #fff;
  background: var(--colour1);
  border-color: var(--colour1);
}
.pro-section .pro-grid-wrap { position: relative; }
.pro-section .pro-grid { padding: 10px 10px 20px 10px !important; }
.pro-section .pro-grid .pro-card {
  float: left;
  width: 355px;
  margin-right: 27px;
  padding: 10px;
  padding-bottom: 0;
  box-shadow: 0px 2px 10px rgb(0 0 0 / 50%);
  overflow: hidden;
  transition: transform .3s;
}
.pro-section .pro-grid .pro-card:last-child { margin-right: 0; }
.pro-section .pro-grid .pro-card .pro-img {
  width: 100%; height: 266px;
  overflow: hidden;
}
.pro-section .pro-grid .pro-card .pro-img img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  transition: all .5s;
}
.pro-section .pro-grid .pro-card .pro-name {
  font-size: 16px;
  line-height: 44px;
  text-align: center;
  border-bottom: 1px solid var(--colour1);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.pro-section .pro-grid .pro-card .pro-link {
  display: block;
  font-size: 12px;
  color: #b1b1b1;
  text-align: center;
  padding: 10px 0 15px;
}
.pro-section .pro-grid .pro-card:hover .pro-img img { transform: scale(1.1); }
.pro-section .pro-grid .pro-card:hover { transform: translateY(-5px); }

/* 产品区左右箭头 */
.pro-section .pro-prev, .pro-section .pro-next {
  position: absolute;
  top: 50%; margin-top: -25px;
  display: block;
  width: 28px; height: 50px;
  cursor: pointer;
  z-index: 5;
}
.pro-section .pro-prev { left: -50px; }
.pro-section .pro-next { right: -50px; }
.pro-section .pro-prev:after, .pro-section .pro-prev:before,
.pro-section .pro-next:after, .pro-section .pro-next:before {
  content: "";
  display: block;
  position: absolute;
  width: 35px; height: 3px;
  background: #111;
  transition: all .5s;
}
.pro-section .pro-prev:after, .pro-section .pro-next:after { transform: rotate(45deg); }
.pro-section .pro-prev:before, .pro-section .pro-next:before { transform: rotate(-45deg); }
.pro-section .pro-prev:after { top: 35px; left: -3px; }
.pro-section .pro-prev:before { top: 12px; left: -3px; }
.pro-section .pro-next:after { top: 12px; right: -3px; }
.pro-section .pro-next:before { top: 35px; right: -3px; }
.pro-section .pro-prev:hover:after, .pro-section .pro-prev:hover:before,
.pro-section .pro-next:hover:after, .pro-section .pro-next:hover:before { background: var(--colour1); }

/* ==========================================
   客户案例区块
   ========================================== */
.case-section { padding-top: 150px; padding-bottom: 30px; }
.case-section .case-desc {
  margin: 0 42px;
  color: #4b4b4b;
  font-size: 14px;
  line-height: 27px;
  text-align: center;
}
.case-section .case-tabs { margin-top: 45px; }
.case-section .case-tabs .case-tab {
  float: left;
  width: 220px; height: 130px;
  text-align: center;
  margin-right: 25px;
  padding: 24px 0;
  background: #e5e5e5;
  box-sizing: border-box;
  cursor: pointer;
  transition: all .5s;
}
.case-section .case-tabs .case-tab:last-child { margin-right: 0; }
.case-section .case-tabs .case-tab .case-tab-icon {
  display: inline-block;
  width: 53px; height: 48px;
  margin-bottom: 10px;
  background: var(--colour1);
  border-radius: 50%;
  transition: all .5s;
  position: relative;
}
.case-section .case-tabs .case-tab .case-tab-icon:after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 3px;
}
.case-section .case-tabs .case-tab span {
  font-size: 17px;
  color: #4b4b4b;
  display: block;
  transition: all .5s;
}
.case-section .case-tabs .case-tab.on {
  background: var(--colour1);
}
.case-section .case-tabs .case-tab.on span { color: #fff; }
.case-section .case-tabs .case-tab.on .case-tab-icon {
  filter: grayscale(100%) brightness(1000%);
}
.case-section .case-grid-wrap {
  margin-top: 35px;
  position: relative;
  z-index: 99;
  overflow: hidden;
}
.case-section .case-grid-wrap .case-left {
  width: 625px;
  margin-right: 30px;
}
.case-section .case-grid-wrap .case-left .case-tel {
  color: #292826;
  font-size: 24px;
  margin-top: 41px;
}
.case-section .case-grid-wrap .case-left .case-tel span {
  position: relative; top: 3px;
  color: var(--colour1);
  font-size: 33px;
  font-weight: bold;
  font-family: 'Arial';
  padding: 0 6px;
}
.case-section .case-grid-wrap .case-left h3 {
  font-size: 26px;
  font-weight: bold;
  color: #4b4b4b;
}
.case-section .case-grid-wrap .case-left .case-left-desc {
  font-size: 17px;
  color: rgba(21,26,18,.5);
  line-height: 37px;
  padding: 12px 0;
}
.case-section .case-grid-wrap .case-left .case-left-list li {
  float: left;
  width: 194px;
  margin-right: 21px;
  overflow: hidden;
}
.case-section .case-grid-wrap .case-left .case-left-list li:nth-child(3n) { margin-right: 0; }
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb {
  position: relative;
  width: 100%; height: 146px;
}
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
}
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb-bg {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,.5);
  opacity: 0;
  transition: all .5s;
}
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb-bg:before,
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb-bg:after {
  content: " ";
  position: absolute;
  top: 50%; margin-top: -1px;
  left: 20px;
  width: 40px; height: 1px;
  background: #fff;
}
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb-bg:after { left: auto; right: 20px; }
.case-section .case-grid-wrap .case-left .case-left-list li .case-thumb-bg .case-thumb-icon {
  position: absolute;
  top: 50%; margin-top: -18px;
  left: 50%; margin-left: -18px;
  display: block;
  width: 36px; height: 36px;
  background: var(--colour1);
  border-radius: 50%;
  transition: all .5s;
}
.case-section .case-grid-wrap .case-left .case-left-list li:hover .case-thumb-bg { opacity: 1; }

/* 案例右侧列表 */
.case-section .case-right {
  width: 545px;
  position: relative;
}
.case-section .case-right .case-right-list {
  overflow: hidden;
  height: 410px;
}
.case-section .case-right .case-right-list ul {
  position: relative;
  height: 100%;
}
.case-section .case-right .case-right-list li {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
}
.case-section .case-right .case-right-list li .case-r-img {
  width: 100%; height: 410px;
}
.case-section .case-right .case-right-list li .case-r-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: all 1s;
}
.case-section .case-right .case-right-list li .case-r-tit {
  position: absolute;
  width: 320px; height: 55px;
  background: var(--colour1);
  left: 0; bottom: 0;
  z-index: 8;
}
.case-section .case-right .case-right-list li .case-r-tit h3 {
  color: #fff;
  font-size: 15px;
  line-height: 55px;
  padding-left: 30px;
  padding-right: 50px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.case-section .case-right .case-right-list li:hover .case-r-img img { transform: scale(1.1); }
.case-section .case-right .case-r-prev, .case-section .case-right .case-r-next {
  position: absolute;
  right: 0; bottom: 0;
  display: block;
  width: 55px; height: 55px;
  background: rgba(255,255,255,.3);
  transition: all .5s;
  cursor: pointer;
  z-index: 9;
}
.case-section .case-right .case-r-prev { right: 55px; }
.case-section .case-right .case-r-prev:after, .case-section .case-right .case-r-prev:before,
.case-section .case-right .case-r-next:after, .case-section .case-right .case-r-next:before {
  content: "";
  display: block;
  position: absolute;
  width: 15px; height: 1px;
  background: #fff;
  transition: all .5s;
}
.case-section .case-right .case-r-prev:after, .case-section .case-right .case-r-next:after { transform: rotate(45deg); }
.case-section .case-right .case-r-prev:before, .case-section .case-right .case-r-next:before { transform: rotate(-45deg); }
.case-section .case-right .case-r-prev:after { left: 20px; top: 32px; }
.case-section .case-right .case-r-prev:before { left: 20px; top: 22px; }
.case-section .case-right .case-r-next:after { right: 20px; top: 22px; }
.case-section .case-right .case-r-next:before { right: 20px; top: 32px; }
.case-section .case-right .case-r-prev:hover, .case-section .case-right .case-r-next:hover { background: rgba(255,255,255,.5); }

/* ==========================================
   合作伙伴区块
   ========================================== */
.ptn-section { padding: 80px 0; background: #eaeaea; }
.ptn-section .ptn-tit {
  width: 80px;
}
.ptn-section .ptn-tit h3 {
  position: relative;
  color: #111;
  font-size: 28px;
  font-weight: bold;
  writing-mode: vertical-rl;
  padding-top: 48px;
}
.ptn-section .ptn-tit h3 .ptn-icon {
  position: absolute;
  top: 0; left: 50%;
  margin-left: -16px;
  display: block;
  width: 33px; height: 33px;
  background: var(--colour1);
  border-radius: 50%;
}
.ptn-section .ptn-tit h3 span { color: var(--colour1); }
.ptn-section .ptn-tit p {
  color: rgba(47,45,45,.2);
  font-size: 23px;
  font-weight: bold;
  margin-left: 1px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.ptn-section .ptn-list-wrap {
  width: 1060px;
  margin-top: 38px;
  overflow: hidden;
}
.ptn-section .ptn-list-wrap .ptn-item {
  float: left;
  overflow: hidden;
  width: 240px; height: 100px;
  margin-right: 33px;
  cursor: pointer;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #666;
  font-weight: bold;
  border-radius: 4px;
}
.ptn-section .ptn-list-wrap .ptn-item img {
  width: 100%; height: 100%;
  display: block;
  object-fit: contain;
}

/* ==========================================
   新闻动态区块
   ========================================== */
.news-section {
  max-width: 1920px;
  margin: 0 auto;
  padding: 70px 0;
  background: #2c2c2c;
}
.news-section .section-title { color: #fff; }
.news-section .news-grid { padding-bottom: 70px; }
.news-section .news-grid li {
  float: left;
  width: 380px;
  margin-right: 30px;
  background: #fff;
  padding-bottom: 30px;
  position: relative;
  box-shadow: 0 5px 8px 1px #cecdcd;
  transition: all .5s;
}
.news-section .news-grid li:last-child { margin-right: 0; }
.news-section .news-grid li .nip1 {
  width: 100%;
  position: relative;
  transition: all .3s;
}
.news-section .news-grid li .nip1 .news-img {
  width: 100%; height: 285px;
  margin-bottom: 25px;
}
.news-section .news-grid li .nip1 .news-img img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
}
.news-section .news-grid li .nip1 .news-date {
  padding: 0 15px;
}
.news-section .news-grid li .nip1 .news-date .news-day {
  font-size: 70px;
  font-family: 'Tahoma';
  color: var(--colour1);
  line-height: 1;
}
.news-section .news-grid li .nip1 .news-date .news-ym {
  position: relative;
  top: 18px; left: 10px;
  font-family: 'Tahoma';
  color: #787878;
  font-size: 17px;
  font-weight: 300;
}
.news-section .news-grid li .nip1 .news-date .news-ym:after {
  content: ' ';
  position: absolute;
  top: 16px; right: -80px;
  width: 63px; height: 2px;
  background: var(--colour1);
}
.news-section .news-grid li .nip1 .news-title {
  color: #272727;
  font-size: 18px;
  line-height: 30px;
  padding: 0 15px;
  margin-top: 15px;
  height: 60px;
  overflow: hidden;
}

/* 新闻卡片悬停覆盖层 */
.news-section .news-grid li .nip2 {
  position: absolute;
  width: 100%; height: 100%;
  top: 70%; left: 0;
  padding: 0 25px;
  padding-top: 25px;
  box-sizing: border-box;
  opacity: 0;
  z-index: 1;
  overflow: auto;
  visibility: hidden;
  transition: all .3s;
  background: var(--colour1);
}
.news-section .news-grid li .nip2 .news-title2 {
  font-size: 18px;
  color: #fff;
  font-weight: bold;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.news-section .news-grid li .nip2 .news-summary {
  color: rgba(255,255,255,.5);
  font-size: 14px;
  line-height: 28px;
  text-align: justify;
  margin-top: 15px;
  height: 56px;
  overflow: hidden;
}
.news-section .news-grid li .nip2 .news-img2 {
  width: 100%; height: 243px;
  margin-top: 15px;
}
.news-section .news-grid li .nip2 .news-img2 img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
}
.news-section .news-grid li .nip2 .news-date2 { margin-top: 15px; padding: 0; }
.news-section .news-grid li .nip2 .news-date2 .news-day,
.news-section .news-grid li .nip2 .news-date2 .news-ym { color: #fff; }
.news-section .news-grid li .nip2 .news-date2 .news-ym:after { background: #fff; }
.news-section .news-grid li:hover { box-shadow: none; }
.news-section .news-grid li:hover .nip1 { transform: scale(0); opacity: 0; }
.news-section .news-grid li:hover .nip2 { top: 0; opacity: 1; visibility: visible; }

/* ==========================================
   联系我们区块
   ========================================== */
.cta-section {
  max-width: 1920px;
  margin: 0 auto;
  padding: 75px 0 160px;
  background: #f5f5f5;
}
.cta-section .cta-box {
  height: 390px;
  background: #fff;
}
.cta-section .cta-box > div {
  width: 50%; height: 100%;
  padding-top: 63px;
  padding-left: 69px;
  box-sizing: border-box;
}
.cta-section .cta-box .cta-info {
  background: var(--colour1);
}
.cta-section .cta-box h3 {
  font-size: 24px;
  color: #fff;
}
.cta-section .cta-box .cta-info p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
}
.cta-section .cta-box .cta-info .cta-list { margin-top: 32px; }
.cta-section .cta-box .cta-info .cta-list li {
  position: relative;
  font-size: 15px;
  color: rgba(255,255,255,.6);
  line-height: 38px;
  padding-left: 36px;
}
.cta-section .cta-box .cta-info .cta-list li .cta-icon {
  position: absolute;
  top: 50%; margin-top: -13px;
  left: 0;
  display: inline-block;
  width: 26px; height: 26px;
  background: rgba(255,255,255,.3);
  border-radius: 50%;
  text-align: center;
  line-height: 26px;
  font-size: 12px;
  color: #fff;
}

/* 留言表单 */
.cta-section .cta-box .cta-form h3 { color: #4f5050; }
.cta-section .cta-box .cta-form > p { font-size: 14px; color: rgba(79,80,80,.6); }
.cta-section .cta-box .cta-form form { margin-top: 40px; width: 453px; }
.cta-section .cta-box .cta-form form > div,
.cta-section .cta-box .cta-form form > div > div { position: relative; }
.cta-section .cta-box .cta-form .cta-txt {
  width: 184px; height: 42px;
  padding-left: 10px;
  display: inline-block;
  border: 1px solid #e5e5e5;
  border-radius: 20px;
  color: #4f5050;
  font-size: 14px;
  outline: none;
  background: none;
  appearance: none;
  transition: all .5s;
}
.cta-section .cta-box .cta-form .cta-txt.cta-txt-con { width: 441px; }
.cta-section .cta-box .cta-form .cta-txt:hover {
  border-color: var(--colour1);
  box-shadow: 0 0 0 2px var(--colour3);
}
.cta-section .cta-box .cta-form .cta-submit {
  width: 160px; height: 45px;
  line-height: 45px;
  text-align: center;
  font-size: 14px;
  letter-spacing: .5em;
  background: var(--colour1);
  color: #fff;
  border-radius: 20px;
  border: 0;
  cursor: pointer;
}
.cta-section .cta-box .cta-form .cta-submit:hover { background: #333; }

/* ==========================================
   友情链接
   ========================================== */
.links-bar {
  width: 100%;
  padding: 10px 0;
  overflow: hidden;
  font-weight: bold;
  background: #fff;
  border-top: 1px solid #eee;
}
.links-bar span { color: var(--colour1); display: block; float: left; }
.links-bar a { color: #333; font-size: 14px; padding-right: 10px; float: left; }
.links-bar a:hover { color: var(--colour1); }

/* ==========================================
   页脚
   ========================================== */
.footer {
  width: 100%;
  height: auto;
  color: rgba(255,255,255,.5);
  font-size: 13px;
  background: rgba(41,41,41,.9);
  padding: 30px 0;
}
.footer .footer-grid { display: flex; flex-wrap: wrap; }
.footer .footer-col {
  flex: 1;
  min-width: 200px;
  padding: 0 15px;
  box-sizing: border-box;
}
.footer .footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--colour1);
  display: inline-block;
}
.footer .footer-col p, .footer .footer-col li {
  color: rgba(255,255,255,.5);
  font-size: 13px;
  line-height: 28px;
}
.footer .footer-col a { color: rgba(255,255,255,.5); font-size: 13px; }
.footer .footer-col a:hover { color: var(--colour1); }
.footer .footer-col .footer-qr {
  width: 97px; height: 97px;
  background: #fff;
  padding: 5px;
  box-sizing: border-box;
}
.footer .footer-col .footer-qr img { width: 100%; height: 100%; }
.footer .footer-bar {
  text-align: center;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.5);
  font-size: 13px;
}
.footer .footer-bar a { color: rgba(255,255,255,.5); font-size: 13px; }
.footer .footer-bar a:hover { color: var(--colour1); }

/* ==========================================
   内页 Banner
   ========================================== */
.n-banner {
  position: relative;
  height: 400px;
  overflow: hidden;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.n-banner .n-banner-inner {
  height: 100%;
  padding-left: 120px;
  position: relative;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.n-banner .n-banner-tit {
  color: #fff;
  font-size: 46px;
  line-height: 60px;
  font-weight: 600;
  text-shadow: 0 2px 3px rgb(0 0 0 / 50%);
}
.n-banner .n-banner-tit span {
  position: relative;
  font-size: 24px;
  margin-left: 20px;
  border-left: 1px solid #fff;
  padding-left: 20px;
  font-weight: 300;
  text-transform: uppercase;
}
.n-banner .n-banner-tit p {
  color: #fff;
  font-size: 18px;
  line-height: 27px;
  margin-top: 5px;
  font-weight: 300;
}

/* ==========================================
   面包屑导航 ntit
   ========================================== */
.ntit {
  height: auto;
  padding: 5px 20px;
  background: rgba(255,255,255,.8);
  border-radius: 4px 4px 0 0;
  box-shadow: 0px 0px 30px rgba(0,0,0,0.1);
  margin-top: -1px;
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ntit .ntt { display: flex; align-items: center; }
.ntit .ntt h1 { color: var(--colour1); font-size: 18px; font-weight: bold; }
.ntit .ntt i { color: #999; font-size: 12px; margin-left: 10px; text-transform: uppercase; }
.ntit .weiz { font-size: 13px; color: #999; }
.ntit .weiz a { font-size: 13px; color: #666; }
.ntit .weiz a:hover { color: var(--colour1); }
.ntit .weiz span { padding: 0 5px; color: #ccc; }

/* ==========================================
   内容主体区
   ========================================== */
.bg_main { padding: 50px 0; min-height: 640px; }

/* 子导航 */
.sub_nav {
  height: auto;
  padding: 15px 0;
  border-bottom: 1px solid #f2f2f2;
}
.sub_nav .sub_nav-tit { color: var(--colour1); font-size: 30px; }
.sub_nav .sub_nav-links { overflow: hidden; }
.sub_nav .sub_nav-links li { float: left; }
.sub_nav .sub_nav-links li a {
  padding: 0 20px;
  border: 1px solid #e6e6e6;
  display: block;
  margin-left: 10px;
  color: #666;
  line-height: 33px;
}
.sub_nav .sub_nav-links li a:hover,
.sub_nav .sub_nav-links li a.hover {
  background: var(--colour1);
  color: #fff;
  border-color: var(--colour1);
}

/* ==========================================
   关于我们页
   ========================================== */
.abt-page .abt-intro { padding-top: 50px; padding-bottom: 50px; }
.abt-page .abt-intro .abt-intro-img {
  width: 500px; height: 350px;
  overflow: hidden;
}
.abt-page .abt-intro .abt-intro-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: .9s;
}
.abt-page .abt-intro .abt-intro-img:hover img { transform: scale(1.1); }
.abt-page .abt-intro .abt-intro-txt { width: 640px; }
.abt-page .abt-intro .abt-intro-txt h2 { font-size: 24px; font-weight: bold; color: #111; margin-bottom: 20px; }
.abt-page .abt-intro .abt-intro-txt h2 span { color: var(--colour1); }
.abt-page .abt-intro .abt-intro-txt p {
  font-size: 15px; line-height: 30px;
  color: #666; text-align: justify;
  margin-bottom: 15px;
}

/* 时间轴 发展历程 */
.abt-page .abt-history {
  padding: 60px 0;
  background: #f8f8f8;
}
.abt-page .abt-history .history-title { text-align: center; font-size: 32px; font-weight: bold; margin-bottom: 40px; }
.abt-page .abt-history .history-title span { color: var(--colour1); }
.abt-page .abt-history .timeline { position: relative; padding-left: 50px; }
.abt-page .abt-history .timeline:before {
  content: '';
  position: absolute;
  left: 18px; top: 0; bottom: 0;
  width: 4px;
  background: var(--colour1);
  border-radius: 2px;
}
.abt-page .abt-history .timeline .tl-item {
  position: relative;
  margin-bottom: 35px;
  padding-left: 40px;
}
.abt-page .abt-history .timeline .tl-item:before {
  content: '';
  position: absolute;
  left: -37px; top: 8px;
  width: 14px; height: 14px;
  background: #fff;
  border: 4px solid var(--colour1);
  border-radius: 50%;
  z-index: 2;
}
.abt-page .abt-history .timeline .tl-item .tl-year {
  font-size: 18px; font-weight: bold;
  color: var(--colour1);
  margin-bottom: 5px;
}
.abt-page .abt-history .timeline .tl-item .tl-text {
  font-size: 14px; color: #666; line-height: 24px;
}

/* 企业文化 */
.abt-page .abt-culture { padding: 60px 0; }
.abt-page .abt-culture .culture-title { text-align: center; font-size: 32px; font-weight: bold; margin-bottom: 40px; }
.abt-page .abt-culture .culture-title span { color: var(--colour1); }
.abt-page .abt-culture .culture-card {
  float: left;
  width: 370px;
  margin-right: 45px;
  padding: 40px 30px;
  text-align: center;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 3px 15px rgba(0,0,0,.08);
  transition: all .5s;
}
.abt-page .abt-culture .culture-card:last-child { margin-right: 0; }
.abt-page .abt-culture .culture-card:hover { transform: translateY(-10px); box-shadow: 0 10px 30px rgba(0,0,0,.15); }
.abt-page .abt-culture .culture-card .culture-icon {
  width: 70px; height: 70px;
  margin: 0 auto 20px;
  background: var(--colour1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 30px;
}
.abt-page .abt-culture .culture-card h3 { font-size: 22px; font-weight: bold; margin-bottom: 12px; }
.abt-page .abt-culture .culture-card p { font-size: 14px; color: #888; line-height: 26px; }

/* ==========================================
   团队风采
   ========================================== */
.team-section { padding: 60px 0; background: #f8f8f8; }
.team-section .team-title { text-align: center; font-size: 32px; font-weight: bold; margin-bottom: 40px; }
.team-section .team-title span { color: var(--colour1); }
.team-section .team-grid .team-card {
  float: left;
  width: 220px;
  margin-right: 25px;
  text-align: center;
  transition: all .5s;
}
.team-section .team-grid .team-card:last-child { margin-right: 0; }
.team-section .team-grid .team-card:hover { transform: translateY(-8px); }
.team-section .team-grid .team-card .team-avatar {
  width: 180px; height: 180px;
  margin: 0 auto 15px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--colour1);
}
.team-section .team-grid .team-card .team-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.team-section .team-grid .team-card h4 { font-size: 18px; color: #111; margin-bottom: 5px; }
.team-section .team-grid .team-card p { font-size: 13px; color: #999; }

/* ==========================================
   产品列表页
   ========================================== */
.prod-list { padding-top: 40px; }
.prod-list .prod-item {
  width: 380px;
  float: left;
  margin-right: 30px;
  margin-bottom: 30px;
  transition: all .5s;
}
.prod-list .prod-item:nth-child(3n) { margin-right: 0; }
.prod-list .prod-item .prod-item-img {
  width: 100%; height: 284px;
  display: block;
  border: 1px solid #eaeaea;
  border-bottom: none;
  overflow: hidden;
  box-sizing: border-box;
}
.prod-list .prod-item .prod-item-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: all .5s;
}
.prod-list .prod-item:hover .prod-item-img img { transform: scale(1.1); }
.prod-list .prod-item .prod-item-info {
  border: 1px solid #efefef;
  display: block;
  padding: 0 19px;
  height: 108px;
  border-top: none;
  box-sizing: border-box;
}
.prod-list .prod-item .prod-item-info .prod-item-name {
  border-bottom: 1px solid #eaeaea;
  height: 58px; line-height: 58px;
  margin-bottom: 10px;
  font-size: 18px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: all .5s;
}
.prod-list .prod-item .prod-item-info .prod-item-meta { color: #666; transition: all .5s; font-size: 12px; }
.prod-list .prod-item:hover .prod-item-info .prod-item-name { color: var(--colour1); }
.prod-list .prod-item:hover { box-shadow: 0 1px 20px rgb(0 0 0 / 10%); }

/* ==========================================
   产品详情页
   ========================================== */
.prod-detail { padding-top: 50px; }
.prod-detail .prod-detail-main { display: flex; margin-bottom: 40px; }
.prod-detail .prod-detail-img {
  width: 500px; height: 380px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid #eaeaea;
}
.prod-detail .prod-detail-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.prod-detail .prod-detail-info { flex: 1; padding-left: 40px; }
.prod-detail .prod-detail-info h1 { font-size: 28px; font-weight: bold; color: #111; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 2px solid var(--colour1); }
.prod-detail .prod-detail-info .prod-params { margin: 20px 0; }
.prod-detail .prod-detail-info .prod-params table { width: 100%; border-collapse: collapse; }
.prod-detail .prod-detail-info .prod-params table td {
  padding: 10px 15px;
  border: 1px solid #eaeaea;
  font-size: 14px;
}
.prod-detail .prod-detail-info .prod-params table td:first-child { background: #f8f8f8; font-weight: bold; width: 30%; color: #555; }
.prod-detail .prod-detail-info .prod-features { margin-top: 20px; }
.prod-detail .prod-detail-info .prod-features li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  font-size: 14px;
  color: #666;
  line-height: 24px;
}
.prod-detail .prod-detail-info .prod-features li:before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--colour1);
  border-radius: 50%;
}
.prod-detail .prod-desc { padding-top: 30px; }
.prod-detail .prod-desc h2 { font-size: 22px; font-weight: bold; color: #111; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #eaeaea; }
.prod-detail .prod-desc p { font-size: 15px; line-height: 30px; color: #666; text-align: justify; margin-bottom: 20px; }

/* 相关产品 */
.related-prods { margin-top: 50px; padding-top: 30px; border-top: 1px solid #eaeaea; }
.related-prods h3 { font-size: 22px; font-weight: bold; margin-bottom: 25px; }
.related-prods .related-list li {
  float: left;
  width: 280px;
  margin-right: 26px;
}
.related-prods .related-list li:last-child { margin-right: 0; }
.related-prods .related-list li .related-img {
  width: 100%; height: 210px;
  overflow: hidden;
  border-radius: 4px;
}
.related-prods .related-list li .related-img img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.related-prods .related-list li:hover .related-img img { transform: scale(1.1); }
.related-prods .related-list li .related-name { text-align: center; margin-top: 10px; font-size: 16px; }

/* ==========================================
   新闻列表页
   ========================================== */
.news-list { padding-top: 50px; }
.news-list .news-list-item {
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 30px 0;
}
.news-list .news-list-item a { display: flex; }
.news-list .news-list-item .news-list-img {
  position: relative;
  width: 200px; height: 150px;
  margin-right: 30px;
  overflow: hidden;
  flex-shrink: 0;
}
.news-list .news-list-item .news-list-img img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  transition: all .5s;
}
.news-list .news-list-item .news-list-txt { flex: 1; overflow: hidden; padding-right: 20px; }
.news-list .news-list-item .news-list-txt h3 {
  font-size: 20px; line-height: 30px;
  font-weight: 300;
  margin-top: 5px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: all .5s;
}
.news-list .news-list-item .news-list-txt .news-list-meta {
  color: #999; font-size: 14px; line-height: 30px;
}
.news-list .news-list-item .news-list-txt p {
  color: #b5b5b5; font-size: 14px;
  line-height: 28px;
  text-align: justify;
  transition: all .5s;
  height: 80px; overflow: hidden;
}
.news-list .news-list-item .news-list-date {
  width: 80px;
  padding: 15px 0 15px 35px;
  color: #999;
  font-weight: 300;
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-list .news-list-item .news-list-date:after {
  display: block;
  content: "";
  width: 1px; height: 100%;
  background: #f3f3f3;
  left: 10px; top: 0;
  position: absolute;
}
.news-list .news-list-item .news-list-date strong {
  display: block;
  font-size: 36px; line-height: 1.1;
  font-weight: 300; color: #333;
}
.news-list .news-list-item .news-list-date span {
  display: block;
  font-size: 14px; line-height: 1.6;
  color: #b5b5b5;
}
.news-list .news-list-item:hover .news-list-img img { transform: scale(1.1); }
.news-list .news-list-item:hover .news-list-txt h3 { color: var(--colour1); }
.news-list .news-list-item:hover .news-list-txt p { color: #666; }

/* ==========================================
   新闻详情页
   ========================================== */
.news-detail { padding-top: 50px; }
.news-detail .news-detail-header {
  padding-bottom: 20px;
  border-bottom: 1px solid #f3f3f3;
  text-align: center;
  margin-bottom: 20px;
}
.news-detail .news-detail-header h1 {
  font-size: 30px; font-weight: bold; padding-bottom: 15px;
}
.news-detail .news-detail-header .news-detail-meta {
  line-height: 18px; font-family: arial;
  color: #999; font-size: 13px;
}
.news-detail .news-detail-header .news-detail-meta span { margin-right: 14px; }
.news-detail .news-detail-body {
  color: #666; line-height: 30px;
  text-align: justify; padding-bottom: 25px;
}
.news-detail .news-detail-body p { margin-bottom: 15px; font-size: 15px; }
.news-detail .news-detail-body img {
  max-width: 100%; display: block;
  margin: 20px auto;
}
.news-detail .news-detail-body h2 { font-size: 20px; font-weight: bold; color: #333; margin: 25px 0 15px; }

/* 上一篇/下一篇 */
.reLink {
  height: 38px; line-height: 38px;
  border: 1px solid #e6e6e6;
  padding: 0 15px;
  margin-bottom: 50px;
  color: #666;
  display: flex;
  justify-content: space-between;
}
.reLink .prevLink, .reLink .nextLink { width: 50%; }
.reLink .nextLink { text-align: right; }
.reLink a { color: #666; }
.reLink a:hover { color: var(--colour1); }

/* ==========================================
   联系我们页
   ========================================== */
.contact-page { padding-top: 50px; }
.contact-page .contact-cards { overflow: hidden; padding: 20px 0 40px; }
.contact-page .contact-cards .contact-card {
  float: left;
  width: 280px;
  margin-right: 26px;
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  transition: all .5s;
}
.contact-page .contact-cards .contact-card:last-child { margin-right: 0; }
.contact-page .contact-cards .contact-card:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0,0,0,.12); }
.contact-page .contact-cards .contact-card .card-icon {
  width: 56px; height: 56px;
  margin: 0 auto 15px;
  background: var(--colour1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
}
.contact-page .contact-cards .contact-card h3 { font-size: 16px; color: #333; margin-bottom: 8px; }
.contact-page .contact-cards .contact-card p { font-size: 14px; color: #888; line-height: 24px; }

.contact-page .contact-form-section { padding: 50px 0; background: #f8f8f8; }
.contact-page .contact-form-section .form-title { text-align: center; font-size: 28px; font-weight: bold; margin-bottom: 30px; }
.contact-page .contact-form-section .form-title span { color: var(--colour1); }

/* ==========================================
   通用表单样式（联系我们页表单）
   ========================================== */
.form-group { margin-bottom: 20px; }
.form-group .form-input {
  width: 100%; height: 48px;
  padding-left: 15px;
  border: 1px solid #e4e4e4;
  border-radius: 5px;
  color: #666;
  font-size: 16px;
  outline: none;
  box-sizing: border-box;
  transition: all .5s;
}
.form-group .form-input:hover, .form-group .form-input:focus {
  border-color: var(--colour1);
  box-shadow: 0 0 0 2px var(--colour3);
}
.form-group .form-textarea {
  width: 100%; height: 200px;
  padding: 15px;
  border: 1px solid #e4e4e4;
  border-radius: 5px;
  color: #666;
  font-size: 16px;
  outline: none;
  resize: none;
  box-sizing: border-box;
  font-family: inherit;
  transition: all .5s;
}
.form-group .form-textarea:hover, .form-group .form-textarea:focus {
  border-color: var(--colour1);
  box-shadow: 0 0 0 2px var(--colour3);
}
.form-row { display: flex; gap: 20px; }
.form-row .form-group { flex: 1; }
.form-submit {
  width: 232px; height: 46px;
  border: 2px solid var(--colour1);
  text-align: center;
  background: var(--colour1);
  color: #FFF;
  cursor: pointer;
  font-size: 18px;
  border-radius: 5px;
  display: block;
  outline: none;
  transition: all .5s;
}
.form-submit:hover { background: #fff; color: var(--colour1); }

/* ==========================================
   分页
   ========================================== */
.pglist {
  padding: 20px 0 30px;
  width: 100%;
  text-align: center;
  clear: both;
}
.pglist a {
  color: #999;
  padding: 0 15px;
  margin: 0 3px;
  display: inline-block;
  vertical-align: middle;
  line-height: 30px;
  background: #fff;
  border: 1px solid #f2f2f2;
}
.pglist a:hover, .pglist a.current {
  color: #fff;
  background: var(--colour1);
  border-color: var(--colour1);
  box-shadow: 0 0 14px rgba(0,0,0,.2);
}

/* ==========================================
   图片兜底
   ========================================== */
.img-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 200px;
  color: #fff;
  font-size: 14px;
  border-radius: 8px;
  text-align: center;
  padding: 20px;
  box-sizing: border-box;
}

/* ==========================================
   淡入动画
   ========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   返回顶部
   ========================================== */
.back-top {
  position: fixed;
  bottom: 40px; right: 20px;
  width: 50px; height: 50px;
  background: var(--colour1);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  cursor: pointer;
  z-index: 999;
  font-size: 20px;
  display: none;
  transition: all .3s;
}
.back-top:hover { background: #333; }
.back-top.show { display: block; }

/* ==========================================
   响应式设计
   ========================================== */

/* 平板 (768px - 1024px) */
@media screen and (max-width: 1280px) {
  html { min-width: auto; }
  body { padding-top: 80px; }
  .wrapper { width: 100%; padding: 0 20px; box-sizing: border-box; }
  .topbox { position: fixed; }
  .lotbox .logo-icon { width: 45px; height: 45px; }
  .lotbox .logo-brand { font-size: 16px; }
  .lotbox .top-tel .tel-num { font-size: 16px; }

  /* 导航 */
  .menubox .nav-list > .nav-item { width: auto; padding: 0 8px; }
  .menubox .nav-list > .nav-item > .nav-link { font-size: 14px; }

  /* Banner */
  .hero-banner .banner-dots { width: 100%; margin-left: 0; left: 0; }

  /* 产品 */
  .pro-section .pro-grid .pro-card { width: 30%; margin-right: 5%; }
  .pro-section .pro-grid .pro-card:nth-child(3n) { margin-right: 0; }

  /* 新闻 */
  .news-section .news-grid li { width: 31%; margin-right: 3.5%; }
  .news-section .news-grid li:nth-child(3n) { margin-right: 0; }

  /* 关于我们 */
  .abt-section { height: auto; padding: 50px 0; }
  .abt-section .abt-img-box { width: 100%; height: auto; }
  .abt-section .abt-img-box:after { display: none; }
  .abt-section .abt-img-box .abt-pic { width: 100%; height: auto; }
  .abt-section .abt-txt-box { width: 100%; margin-top: 30px; }

  /* 案例 */
  .case-section .case-left { width: 100%; margin-right: 0; }
  .case-section .case-right { width: 100%; margin-top: 30px; }
  .case-section .case-tabs .case-tab { width: 18%; margin-right: 2.5%; }

  /* 合作伙伴 */
  .ptn-section .ptn-list-wrap { width: calc(100% - 100px); }
  .ptn-section .ptn-list-wrap .ptn-item { width: 22%; margin-right: 4%; }

  /* 页脚 */
  .footer .footer-col { min-width: 45%; margin-bottom: 20px; }

  /* 内页 */
  .n-banner { height: 280px; }
  .n-banner .n-banner-inner { padding-left: 30px; }
  .n-banner .n-banner-tit { font-size: 32px; }
  .prod-detail .prod-detail-main { flex-direction: column; }
  .prod-detail .prod-detail-img { width: 100%; height: 300px; }
  .prod-detail .prod-detail-info { padding-left: 0; padding-top: 20px; }
}

/* 手机 (< 768px) */
@media screen and (max-width: 767px) {
  html { min-width: auto; }
  body { padding-top: 60px; font-size: 13px; }
  .wrapper { width: 100%; padding: 0 15px; box-sizing: border-box; }

  /* 顶部 */
  .topbox { height: auto; }
  .lotbox .logo { float: none; display: flex; justify-content: center; }
  .lotbox .logo-icon { width: 35px; height: 35px; }
  .lotbox .logo-brand { font-size: 14px; }
  .lotbox .logo-tagline { font-size: 10px; letter-spacing: 1px; }
  .lotbox .top-tel { display: none; }

  /* 汉堡菜单 */
  .hamburger { display: block; }
  .menubox { display: none; }
  .menubox.open { display: block; }
  .menubox .nav-list { float: none; }
  .menubox .nav-list > .nav-item {
    float: none; width: 100%;
    height: auto; line-height: 40px;
    text-align: left;
    border-bottom: 1px solid #f2f2f2;
  }
  .menubox .nav-list > .nav-item > .nav-link {
    padding: 8px 15px;
    display: block;
    font-size: 15px;
  }
  .menubox .nav-list > .nav-item.active > .nav-link,
  .menubox .nav-list > .nav-item:hover > .nav-link {
    border-radius: 0;
  }
  .menubox .sub-menu {
    position: static;
    width: 100%; margin-left: 0;
    box-shadow: none;
    border: 0;
    background: #f8f8f8;
  }
  .menubox .sub-menu:before { display: none; }

  /* Banner */
  .hero-banner { height: 220px; }
  .hero-banner .banner-dots { width: 100%; margin-left: 0; left: 0; bottom: 10px; }
  .hero-banner .banner-prev, .hero-banner .banner-next { width: 35px; height: 60px; margin-top: -30px; }
  .hero-banner .banner-prev:after, .hero-banner .banner-next:after { width: 12px; height: 12px; border-width: 2px; }

  /* 搜索 */
  .search-bar { height: auto; padding: 15px 0; }
  .search-bar .search-hot { height: auto; line-height: 30px; font-size: 14px; }
  .search-bar .search-form-wrap { width: 100%; height: 45px; margin-top: 10px; }
  .search-bar .search-form { width: 90%; margin-left: -45%; }

  /* 区块标题 */
  .section-title { font-size: 24px; padding-bottom: 20px; }

  /* 产品 */
  .pro-section { padding: 40px 0; }
  .pro-section .pro-tabs .pro-tab { width: 45%; margin: 5px 2%; font-size: 13px; height: 36px; line-height: 36px; }
  .pro-section .pro-grid .pro-card { width: 100%; margin-right: 0; margin-bottom: 20px; float: none; }
  .pro-section .pro-prev, .pro-section .pro-next { display: none; }

  /* 关于我们 */
  .abt-section { height: auto; padding: 40px 0; }
  .abt-section .abt-img-box { width: 100%; height: auto; }
  .abt-section .abt-img-box:after { display: none; }
  .abt-section .abt-img-box .abt-en { font-size: 30px; margin-left: 20px; }
  .abt-section .abt-img-box .abt-pic { width: 100%; height: 220px; }
  .abt-section .abt-img-box .abt-tit { width: 100%; }
  .abt-section .abt-txt-box { width: 100%; margin-top: 20px; }
  .abt-section .abt-txt-box .section-title { padding-top: 20px; font-size: 24px; }
  .abt-section .abt-txt-box .abt-con h3 { font-size: 18px; }
  .abt-section .abt-txt-box .abt-con p { font-size: 14px; line-height: 26px; }

  /* 案例 */
  .case-section { padding-top: 50px; }
  .case-section .case-desc { margin: 0; }
  .case-section .case-tabs .case-tab { width: 48%; margin-right: 4%; margin-bottom: 10px; height: auto; padding: 15px 10px; }
  .case-section .case-tabs .case-tab:nth-child(2n) { margin-right: 0; }
  .case-section .case-grid-wrap .case-left { width: 100%; margin-right: 0; }
  .case-section .case-grid-wrap .case-left .case-left-list li { width: 48%; margin-right: 4%; }
  .case-section .case-grid-wrap .case-left .case-left-list li:nth-child(3n) { margin-right: 4%; }
  .case-section .case-grid-wrap .case-left .case-left-list li:nth-child(2n) { margin-right: 0; }
  .case-section .case-right { width: 100%; margin-top: 20px; }
  .case-section .case-right .case-right-list li .case-r-img { height: 250px; }
  .case-section .case-right .case-right-list li .case-r-tit { width: 220px; height: 45px; }
  .case-section .case-right .case-right-list li .case-r-tit h3 { font-size: 13px; line-height: 45px; padding-left: 15px; padding-right: 40px; }

  /* 合作伙伴 */
  .ptn-section { padding: 40px 0; }
  .ptn-section .ptn-tit { width: 100%; margin-bottom: 20px; }
  .ptn-section .ptn-tit h3 { writing-mode: horizontal-tb; padding-top: 0; font-size: 22px; }
  .ptn-section .ptn-tit p { writing-mode: horizontal-tb; font-size: 14px; }
  .ptn-section .ptn-list-wrap { width: 100%; }
  .ptn-section .ptn-list-wrap .ptn-item { width: 45%; margin-right: 10%; margin-bottom: 15px; }
  .ptn-section .ptn-list-wrap .ptn-item:nth-child(2n) { margin-right: 0; }

  /* 新闻 */
  .news-section { padding: 40px 0; }
  .news-section .news-grid li { width: 100%; margin-right: 0; margin-bottom: 20px; float: none; }

  /* 联系我们 */
  .cta-section { padding: 40px 0 60px; }
  .cta-section .cta-box { height: auto; }
  .cta-section .cta-box > div { width: 100%; height: auto; padding: 30px 20px; }
  .cta-section .cta-box .cta-form form { width: 100%; }
  .cta-section .cta-box .cta-form .cta-txt { width: 100%; margin-bottom: 10px; box-sizing: border-box; }
  .cta-section .cta-box .cta-form .cta-txt.cta-txt-con { width: 100%; }

  /* 页脚 */
  .footer .footer-col { min-width: 100%; margin-bottom: 20px; }

  /* 内页 */
  .n-banner { height: 180px; }
  .n-banner .n-banner-inner { padding-left: 15px; }
  .n-banner .n-banner-tit { font-size: 24px; line-height: 36px; }
  .n-banner .n-banner-tit span { font-size: 16px; margin-left: 10px; padding-left: 10px; display: block; border-left: 0; }
  .ntit { flex-direction: column; align-items: flex-start; }
  .ntit .weiz { margin-top: 10px; }

  /* 关于我们页 */
  .abt-page .abt-intro .abt-intro-img { width: 100%; float: none; height: 250px; }
  .abt-page .abt-intro .abt-intro-txt { width: 100%; float: none; margin-top: 20px; }
  .abt-page .abt-culture .culture-card { width: 100%; margin-right: 0; margin-bottom: 20px; }
  .team-section .team-grid .team-card { width: 45%; margin-right: 10%; margin-bottom: 20px; }
  .team-section .team-grid .team-card:nth-child(2n) { margin-right: 0; }

  /* 产品列表 */
  .prod-list .prod-item { width: 100%; margin-right: 0; float: none; }
  .prod-detail .prod-detail-main { flex-direction: column; }
  .prod-detail .prod-detail-img { width: 100%; height: 250px; }
  .prod-detail .prod-detail-info { padding-left: 0; padding-top: 20px; }

  /* 新闻列表 */
  .news-list .news-list-item a { flex-direction: column; }
  .news-list .news-list-item .news-list-img { width: 100%; height: 180px; margin-right: 0; margin-bottom: 15px; }
  .news-list .news-list-item .news-list-date { width: 100%; padding: 10px 0; flex-direction: row; align-items: baseline; gap: 10px; }
  .news-list .news-list-item .news-list-date:after { display: none; }

  /* 联系我们页 */
  .contact-page .contact-cards .contact-card { width: 100%; margin-right: 0; margin-bottom: 15px; }
  .form-row { flex-direction: column; gap: 0; }

  .back-top { bottom: 20px; right: 10px; width: 40px; height: 40px; line-height: 40px; font-size: 16px; }
}