/* 基础样式重置（仅保留导航相关必要部分） */
* {
  margin: 0;
  padding: 0;
}

body, html {
  font-size: 16px;
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  color: #677294;
}

a:link, a:hover, a:active, a:visited {
  text-decoration: none;
  color: #677294;
}

ul, ol {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
/*!
 * Font Awesome Free 5.8.1 - 仅保留导航栏用到的核心样式
 */
.fa,
.fas,
.far {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  line-height: 1;
}

/* 图标大小（仅保留基础大小，删除未用到的 lg/xs/2x 等） */
.fa-1x {
  font-size: 1em;
}

/* 旋转/动画（仅保留下拉菜单需要的基础样式） */
@-webkit-keyframes fa-spin {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes fa-spin {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

/* 仅保留导航栏用到的图标 */
.fa-sign-in-alt:before {
  content: "\f2f6";
}

.fa-user-plus:before {
  content: "\f234";
}

/* 下拉菜单箭头（CSS 中用到的 chevron-down） */
.fa-chevron-down:before {
  content: "\f078";
}

/* 字体文件引入（核心，保证图标显示） */
@font-face {
  font-family: 'Font Awesome 5 Free';
  font-style: normal;
  font-weight: 900;
  font-display: auto;
  src: url("../font/fa-solid-900.eot");
  src: url("../font/fa-solid-900.eot") format("embedded-opentype"), 
       url("../font/fa-solid-900.woff2") format("woff2"), 
       url("../font/fa-solid-900.woff") format("woff"), 
       url("../font/fa-solid-900.ttf") format("truetype");
}

.fa,
.fas {
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
}

/* 辅助类（可选，用于无障碍访问） */
.sr-only {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

.sr-only-focusable:active, .sr-only-focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  width: auto;
}

/* 导航核心样式 */
.header {
  padding: 10px 0;
  z-index: 3333;
}

.header ul li {
  list-style-type: none;
}

.header .nav-link {
  font-size: 14px;
  font-weight: 500;
  padding: 20px 15px !important;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  display: block;
  position: relative;
  color: #fff;
  line-height: 28px;
}

.header .nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 7px;
  background-color: #23c87a;
}

.header .nav-link:not(.active)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 7px;
  z-index: -7;
  transition: transform 0.4s ease;
  background-color: #23c87a;
  transform: scaleX(0);
  transform-origin: 100% 0;
}

.header .nav-link:not(.active):hover::after {
  transform: scaleX(1);
  transform-origin: 0 0;
}

.header .nav-link.signup-btn-toggle:after, .header .nav-link.login-btn-toggle:after {
  display: none;
}

.header .dropdown-menu {
  border: 0;
  background: #fff;
  padding: 0;
  margin: 0;
  border-radius: 0;
  box-shadow: 0px 13px 35px 0 rgba(43, 50, 54, 0.2);
}

.header .dropdown-menu .dropdown-item {
  display: block;
  width: 100%;
  padding: 14px 28px;
  font-weight: 400;
  color: #000;
  text-decoration: none;
  position: relative;
  transition: all 0.25s ease;
}

.header .dropdown-menu .dropdown-item:focus, .header .dropdown-menu .dropdown-item:hover {
  color: #fff;
  background-color: #23c87a;
  padding-left: 25px;
}

.header .dropdown-toggle {
  padding-right: 25px !important;
}

.header .dropdown-toggle:before {
  content: "\f078";
  position: absolute;
  top: 50%;
  right: 0;
  font-weight: 700;
  font-size: 12px;
  font-family: "Font Awesome 5 Free";
  transition: all 0.25s ease;
  transform: translateY(-50%);
}

.header .dropdown-toggle[aria-expanded="true"]:before {
  transform: rotate(180deg);
  top: 20px;
}

.header .navbar-toggler {
  outline: none;
  border: none;
  border-radius: 0;
  padding: 0 10px 0 0;
}

.header .navbar-toggler .togler-icon-inner > span {
  height: 3px;
  margin: 5px;
  width: 30px;
  display: block;
  background: #fff;
  transition: all 0.3s ease;
}

.header .navbar-toggler .togler-icon-inner > span:nth-child(2) {
  width: 20px !important;
  margin-left: auto;
}

.header .navbar-toggler .togler-icon-inner > span:last-child {
  margin-bottom: 0;
}

.header .navbar-toggler[aria-expanded="true"] .togler-icon-inner > span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.header .navbar-toggler[aria-expanded="true"] .togler-icon-inner > span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.header .navbar-toggler[aria-expanded="true"] .togler-icon-inner > span:nth-child(2) {
  opacity: 0;
}

.header .login-btn-mobile, .header .signup-btn-mobile {
  display: none;
}

.header .navbar-brand {
  color: #fff;
  text-transform: capitalize;
  margin-right: 0;
  padding: 0;
}

.header .navbar-brand img {
  display: none;
}

.header .navbar-brand img.logo-transparent {
  display: block;
}

.header.header-shrink {
  padding: 0;
  background: #fff;
  box-shadow: 0px 13px 35px -12px rgba(43, 50, 54, 0.2);
  animation: stickyMenu 0.7s ease-in-out;
}

.header.header-shrink .nav-link {
  color: #000 !important;
}

.header.header-shrink .togler-icon-inner > span {
  background-color: #000;
}

.header.header-shrink .navbar-brand {
  color: #23c87a;
}

/* 粘性导航动画 */
@keyframes stickyMenu {
  0% {
    margin-top: -120px;
    opacity: 0;
  }
  50% {
    margin-top: -64px;
    opacity: 0;
  }
  100% {
    margin-top: 0;
    opacity: 1;
  }
}

/* 响应式 - 平板及以下（991.98px） */
@media screen and (max-width: 991.98px) {
  .header .container, .header, .header ul li {
    padding: 0;
  }
  .header .container {
    max-width: 100%;
  }
  .header .navbar-nav .nav-link {
    color: #000;
    padding: 10px 15px !important;
    transition: all 0.25s ease;
    border-bottom: 1px solid #f1f1f1;
  }
  .header .navbar-nav .nav-link:after {
    display: none;
  }
  .header .navbar-nav .nav-item:last-child .nav-link {
    border-bottom: 0;
  }
  .header .navbar-nav .dropdown-toggle:before {
    top: 27px;
    right: 20px;
  }
  .header .navbar-nav .dropdown-toggle[aria-expanded="true"]:before {
    transform: rotate(180deg);
    top: 11px;
  }
  .header .navbar-nav .dropdown-menu {
    box-shadow: none;
    background: #f1f2f6;
  }
  .header .navbar-nav .dropdown-menu .dropdown-item:hover {
    background: #23c87a;
  }
  .header .main-menu {
    background: #fff;
  }
  .header .navbar-nav .nav-link:not(.active):hover, .header .navbar-nav .nav-link.active {
    background: #23c87a;
    color: #fff !important;
    border-color: #23c87a;
  }
  .header .navbar-brand {
    padding: 10px 0 10px 15px;
  }
  .header .login-btn-mobile, .header .signup-btn-mobile {
    display: block;
    position: absolute;
    top: 32px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 16px;
  }
  .header .signup-btn-mobile {
    right: 65px;
  }
  .header .login-btn-mobile {
    right: 110px;
  }
  .header.header-shrink .login-btn-mobile, .header.header-shrink .signup-btn-mobile {
    color: #000;
  }
  .login-btn-resp, .signup-btn-resp {
    display: none;
  }
}

/* 响应式 - 桌面（992px 及以上） */
@media screen and (min-width: 992px) {
  .dropdown-menu {
    position: absolute;
    top: 80%;
    left: 0;
    z-index: 15;
    opacity: 0;
    visibility: hidden;
    display: initial;
    min-width: 250px;
    color: #000;
    border: 0;
    border-radius: 0;
    transition: all 0.5s ease;
  }
  .dropdown-menu.show {
    opacity: 1;
    top: 100%;
    visibility: visible;
  }
}
.demo{padding: 50px 0 0;}
.box{
	font-family: 'Merriweather Sans', sans-serif;
	overflow: hidden;
	position: relative;
	z-index: 1;
	transition: all .5s;
	box-shadow: 2px 2px 5px 2px #ffffff;
}
.box:hover{ box-shadow: 3px 3px 5px #999; }
.box:before,
.box:after{
	content: "";
	background: radial-gradient(circle at 23% 70%,rgba(255,255,255,0.8),#fff 30%);
	width: 150%;
	height: 150%;
	opacity: 0;
	transform: rotate(45deg);
	position: absolute;
	top:-10.5%;
	right:-150%;
	z-index: 1;
	transition: all 0.35s ease;
}
.box:after{
	background: rgba(255,255,255,0.5);
	width: 65%;
	height: 65%;
	right: auto;
	left: -20%;
	top: -65%;
}
.box:hover:before{
	opacity: 1;
	right: -85%;
}
.box:hover:after{
	opacity: 1;
	top: -42%;
}
.box img{
	width: 100%;
	height: auto;
	transition: all 0.5s ease;
	border-radius: 10px;
}
.box:hover img{ transform: scale(1.2); }
.box .box-content{
	text-align: right;
	transform: translateY(-50%);
	position: absolute;
	top: 50%;
	right: -100%;
	z-index: 2;
	transition: all .5s;
}
.box:hover .box-content{ right: 5%; }
.box .title{
	color: #1e272e;
	font-size: 23px;
	font-weight: 700;
	text-transform: uppercase;
	margin: 0 0 3px 0;
}
.box .post{
	font-size: 16px;
	text-transform: capitalize;
	margin: 0 0 10px;
	display: block;
}
.box .icon{
	padding: 0;
	margin: 0;
	list-style: none;
}
.box .icon li{
	display: inline-block;
	margin: 0 4px;
}
.box .icon li a{
	color: #fff;
	background-color: #1e272e;
	font-size: 18px;
	text-align: center;
	line-height: 35px;
	height: 35px;
	width: 35px;
	border-radius: 50%;
	display: block;
	transition: all 0.3s;
}
.box .icon li  a:hover{
	color: #1e272e;
	background-color: #fff;
	border-radius: 10%;
	box-shadow: 0 0 5px #1e272e inset;
}
@media only screen and (max-width:990px){
	.box { margin: 0 0 30px; }
}
@media only screen and (max-width:479px){
	.box .title{ font-size: 20px; }
}
* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Microsoft Yahei", sans-serif;
    }
	.container{
		width:80%;
		margin:90px auto 0;
	}
	.container3{
		width:80%;
		margin:0 auto 0;
	}
    /* 导航栏容器 - 核心修改：fixed固定 + 预留fullPage空间 */
    .navbar {
      background-color: #fff;
      width: 100%;
      position: fixed; /* 改用fixed，适配fullPage */
      top: 0;
      left: 0;
      z-index: 9999; /* 提高层级，确保在fullPage之上 */
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      transition: all 0.3s ease;
      height: 63px; /* 固定导航栏高度 */
    }

    /* 导航内容容器 */
    .nav-container {
      width: 80%;
      margin: 0 auto;
      display: flex;
      align-items: center;
      padding: 0 20px;
      position: relative;
      height: 100%; /* 撑满导航栏高度 */
    }

    /* Logo样式 */
    .logo {
      display: flex;
      align-items: center;
      height: 100%;
    }
    .logo img {
      height: 40px;
      width: auto;
      display: block;
    }

    /* 汉堡菜单按钮 */
    .hamburger {
      width: 40px;
      height: 40px;
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
    }
    .hamburger span {
      width: 30px;
      height: 3px;
      background-color: #222; /* 初始黑色横线 */
      margin: 3px 0;
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    /* 菜单列表 */
    .nav-menu {
      display: flex;
      list-style: none;
      margin-left: auto;
    }

    /* 一级菜单项 */
    .nav-item {
      position: relative;
    }
    .nav-link {
      display: block;
      color: #222;
      text-decoration: none;
      padding: 0 25px;
      height: 63px;
      line-height: 63px; /* 垂直居中 */
      transition: background-color 0.3s ease;
    }
    .nav-link:hover {
      background-color: #6977e0;
      color: #fff !important; /*  hover时文字变白 */
    }

    /* 二级菜单 */
    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      background-color: white;
      min-width: 200px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      list-style: none;
      visibility: hidden;
      opacity: 0;
      transform: translateY(10px);
      transition: all 0.3s ease;
      z-index: 10000;
    }
    .dropdown-menu .nav-link {
      color: #2c3e50;
      padding: 12px 20px;
      border-bottom: 1px solid #f1f1f1;
      height: auto;
      line-height: normal;
    }
    .dropdown-menu .nav-link:hover {
      background-color: #f8f9fa;
      color: #2c3e50 !important;
    }

    /* 悬停显示二级菜单 */
    .nav-item:hover .dropdown-menu {
      visibility: visible;
      opacity: 1;
      transform: translateY(0);
    }

    /* 响应式适配（小屏幕 ≤768px） */
    @media (max-width: 768px) {
      .hamburger {
        display: flex;
      }
      .nav-container {
        flex-direction: row;
        align-items: center;
        width: 90%;
      }
      .nav-menu {
        position: absolute;
        top: 63px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: #fff;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 9998;
      }
      .nav-menu.show {
        max-height: 1000px;
      }
      .nav-menu .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.1);
      }
      .nav-link {
        padding-left: 20px;
        width: 100%;
      }
      .dropdown-menu {
        position: static;
        width: 100%;
        background-color: #f8f9fa;
        transform: none;
        max-height: 0;
        overflow: hidden;
      }
      .dropdown-menu.show {
        max-height: 500px;
        visibility: visible;
        opacity: 1;
      }
      .dropdown-menu .nav-link {
        padding-left: 40px;
      }
    }

    /* fullPage基础样式 - 核心：顶部预留63px导航高度 */
    #fullpage {
      padding-top: 63px; /* 匹配导航栏高度，避免内容被遮挡 */
    }
    .section {
      position: relative; /* 为视频/文字定位 */
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
      font-size: 4vw;
      text-shadow: 0 2px 4px rgba(0,0,0,0.2);
      height:100vh; /* 覆盖fullPage默认高度 */
    }

    /* 各屏背景色 */
    .section1 { 
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); 
      /* 取消背景渐变，避免和视频冲突 */
      background: transparent;
    }
    .section5 {  
		background-image: url("/static/images/bac2.png"),url("/static/images/dianxiangan.png"),url("/static/images/byq.png");
		background-position: bottom right,30px 70px,95% 3%;
		background-size: 100% auto,300px 300px,300px 300px;
		background-color: #4283d9;
		background-repeat: no-repeat; 
	}
    .section2 {  
		background:url(/static/images/probg.jpg); 
		background-repeat: no-repeat;
		background-size: cover;
	}
    .section3 {  
		background:url(/static/images/13113d24781f50bcdd7bfa483c016.jpg) bottom; 
		background-repeat: no-repeat;
		background-size: cover;
	}
	.section4 {  
		background:url(/static/images/map.jpg) bottom; 
		background-repeat: no-repeat;
		background-size: cover;
	}
    .section6{ 
		background: url(/static/images/alback.jpg); 
		background-repeat: no-repeat;
		background-size: cover;
	}
	.section8{
		background: #1d2c41; 
		background-repeat: no-repeat;
		background-size: cover;
		width:100vw;
		height:380px;
	}
    /* 横向slide样式 */
    .slide {
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
      font-size: 3vw;
    }
    .slide:nth-child(1) { background: rgba(0,0,0,0.2); }
    .slide:nth-child(2) { background: rgba(0,0,0,0.3); }
    .slide:nth-child(3) { background: rgba(0,0,0,0.4); }

    /* 第一屏视频样式 */
    .section:nth-child(1) video {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
    }

    /* 视频文字容器 */
    .video-text {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 2;
      text-align: center;
      color: white;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5);
      width: 90%;
    }
    .video-text h1 {
      font-size: 4vw;
      margin-bottom: 20px;
    }
    .video-text p {
      font-size: 2vw;
      opacity: 0.9;
    }

    /* 自定义导航圆点样式 */
    #fp-nav {
      top: calc(50% + 31.5px) !important; /* 导航圆点垂直居中（补偿导航栏高度） */
    }
    #fp-nav ul li a span {
      background: #ffffff;
      width: 12px;
      height: 12px;
      margin: -6px 0 0 -6px;
    }
    #fp-nav ul li a.active span {
      background: #ffffff;
      box-shadow: 0 0 0 2px rgba(255,255,255,0.5);
    }
    #fp-nav ul li .fp-tooltip {
      color: #ffffff;
      font-size: 14px;
      background: rgba(0,0,0,0.3);
      padding: 4px 8px;
      border-radius: 4px;
    }

    /* 移动端适配 */
    @media (max-width: 768px) {
      .section {
        font-size: 6vw;
        height:100vh;
      }
      .slide {
        font-size: 5vw;
      }
      .video-text h1 {
        font-size: 6vw;
      }
      .video-text p {
        font-size: 3vw;
      }
      #fp-nav {
        display: none; /* 移动端隐藏fullPage导航圆点 */
      }
    }
	.hero-section {
            display: flex;
            width: 100%;
        }
        .image-column {
            flex: 1 1 40%;
            min-width: 300px;
            position: relative;
        }
		.image-column img{
			width:100%;
		}
        .text-column {
            flex: 1 1 50%;
            padding: 40px;
        }
        .image-stack {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .top-images {
            display: flex;
            height: 60%;
        }
        .bottom-image {
            height: 40%;
            position: relative;
        }
        .image-item {
            flex: 1;
            overflow: hidden;
            position: relative;
        }
        .image-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .overlay-badge {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: rgba(0, 60, 80, 0.85);
            color: #c91c1c;
            padding: 30px 20px;
            text-align: center;
            clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
        }
        .overlay-badge .years {
            font-size: 48px;
            font-weight: bold;
            display: block;
            margin-bottom: 8px;
        }
        .overlay-badge .label {
            font-size: 24px;
        }
        .solar-icon {
            display: inline-block;
            vertical-align: middle;
            margin-left: 15px;
            width: 60px;
            height: 50px;
            background-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 64 56" xmlns="http://www.w3.org/2000/svg"><path d="M32 0L40 16H24L32 0Z" fill="%23c91c1c"/><path d="M16 8L24 24H8L16 8Z" fill="%23c91c1c"/><path d="M48 8L56 24H40L48 8Z" fill="%23c91c1c"/><path d="M8 32L16 48H0L8 32Z" fill="%23c91c1c"/><path d="M56 32L64 48H48L56 32Z" fill="%23c91c1c"/><rect x="24" y="16" width="16" height="32" fill="%23c91c1c"/></svg>');
            background-size: contain;
            background-repeat: no-repeat;
        }
        .about-title-small {
            color: #c91c1c;
            font-size: 28px;
            margin-bottom: 10px;
        }
        .about-title-large {
            color: #0a2463;
            font-size: 48px;
            line-height: 1.2;
            margin-bottom: 25px;
        }
        .about-description {
            color: #fbfbfb;
            font-size: 20px;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        .features-list {
            list-style: none;
            margin-bottom: 35px;
        }
        .features-list li {
            color: #fbfbfb;
            font-size: 20px;
            margin-bottom: 12px;
            padding-left: 30px;
            position: relative;
        }
        .features-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 16px;
            height: 16px;
            border: 2px solid #c91c1c;
            border-radius: 50%;
        }
        .contact-btn {
            background-color: #c91c1c;
            color: white;
            border: none;
            padding: 15px 35px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 4px;
            cursor: pointer;
            text-transform: uppercase;
        }
        .stats-section {
            display: flex;
            background-color: #2d3436;
            color: white;
            padding: 10px;
        }
        .stat-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
            padding: 10px;
        }
        .stat-label {
            font-size: 16px;
            margin-bottom: 8px;
            opacity: 0.8;
        }
        .stat-value {
            font-size: 30px;
            font-weight: bold;
        }
        .stat-unit {
            font-size: 16px;
            opacity: 0.7;
        }
        @media (max-width: 768px) {
            .about-title-large {
                font-size: 36px;
            }
            .about-description, .features-list li {
                font-size: 18px;
            }
            .overlay-badge .years {
                font-size: 36px;
            }
            .overlay-badge .label {
                font-size: 20px;
            }
        }
		 /* 左侧标题区 */
		 .container2 {
			width:80%;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .left-section h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #111;
        }
        .left-section p {
            font-size: 1.1rem;
            color: #333;
            line-height: 1.6;
            margin-bottom: 2rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background-color: #871515;
            color: white;
            border: none;
            border-radius: 2px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
        }
        /* 中间手风琴区 */
        .accordion-section {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .accordion-item {
            border-bottom: 1px solid #ccc;
            overflow: hidden;
        }
        .accordion-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 2rem 1rem;
            font-size: 1.5rem;
            font-weight: 600;
            color: #111;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .accordion-header:hover {
            background-color: #e8e8e8;
        }
        .accordion-header svg {
            width: 28px;
            height: 28px;
            fill: #204190;
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            background-color: #204190;
            color: white;
            padding: 0 1rem;
        }
        .accordion-item.active .accordion-content {
            max-height: 400px;
            padding: 3rem 1rem;
			border-left: 5px solid #bd0e0e;
        }
        .accordion-content p {
            line-height: 1.6;
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }
        .accordion-content a {
            text-decoration: underline;
			font-weight: 500;
			font-size: 20px;
			background: #871515;
			color: #fff;
			padding: 10px;
			border-radius: 10px;
        }
        /* 激活项样式 */
        .accordion-item.active .accordion-header {
            background-color: #204190;
            color: white;
			border-left: 5px solid #bd0e0e;
        }
        .accordion-item.active .accordion-header svg {
            fill: #cf0000;
        }
        /* 右侧图片区 */
        .right-section {
            height: 100%;
        }
        .right-section img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 4px;
            transition: opacity 0.4s ease;
        }
		.row {
    margin-left: -15px;
    margin-right: -15px;
    display: flex;
    flex-wrap: wrap;
}
    .col-md-4 {
        width: 31%;
        margin: 1%;
    }
	.fp-overflow h2{
	text-align: center;
    font-size: 40px;
	margin-top:90px;
	}
	.honeycomb-container{
		display: flex;
		flex-wrap: wrap;
		width:80%;
		margin:0 auto;
	}
	.honeycomb-item{
		width:24%;
		padding:10px;
	}
	.fwkh h2{
		text-align: center;
		font-size: 40px;
		margin: 90px 0 50px;
		color:#222;
	}
	.honeycomb-item img{
		width:100%;
		border:1px solid #ddd;
	}
	.btn a{
		color:#fff;
	}
	.container23{
		width:80%;
		margin:30px auto 0;
	}
	.container23 .index-pro ul{
		display:grid;
		grid-template-columns:1fr 1fr 1fr;
		gap:20px;
	}
	.container23 .index-pro ul li{
		position:relative;
		border-radius:10px 10px 10px 10px;
		overflow:hidden;
	}
	.container23 .index-pro ul li img{
		width:100%;
		transition: all 0.8s ease-in-out;
	}
	.container23 .index-pro ul li:hover img{
		transform:scale(1.2);
	}
	.container22 .index-pro ul li a{
		font-size:18px;
	}
	.container23 .index-pro ul li span{
		position:absolute;
		font-size:18px;
		bottom:0;
		left:0;
		width:100%;
		background:rgba(0,0,0,0.5);
		padding:10px 20px;
		color:#fff;
		
	}
	.fwkh{width:100vw;height:95vh;}
        .section5{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .section7 {
            background-color: #fff;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            perspective: 1500px; /* 增强空间感 */
            overflow: hidden;
        }

        /* 走马灯容器 - 固定前下后上倾斜 + 仅Y轴旋转 */
        .carousel {
            width: 300px;    /* 匹配图片尺寸，避免错位 */
            height: 180px;   
            transform-style: preserve-3d;
            transform: rotateX(15deg); 
            animation: rotateCarousel 40s linear infinite;
			margin: 0 auto;
			position: relative;
			top: 200px;
        }

        /* 鼠标悬停暂停动画 */
        .carousel:hover {
            animation-play-state: paused;
        }

        /* 图片项样式 - 适配倾斜角度 */
        .carousel-item {
            position: absolute;
            top: 0;
            left: 0;
            width: 300px;
            height: 180px;
            transform-origin: center center; /* 以中心为旋转原点 */
            border-radius: 8px;
            overflow: hidden;
            opacity: 0.85; /* 非焦点图片略透明，增强层次 */
            transition: all 0.3s ease; /* 过渡更顺滑 */
        }

        /* 图片自适应 */
        .carousel-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
			border:1px solid #ddd;
			box-shadow:2px 2px 2px 2px #ddd;
        }

        /* 仅Y轴旋转动画（固定倾斜角度不变） */
        @keyframes rotateCarousel {
            0% { transform: rotateX(-15deg) rotateY(0deg); } /* 固定-15deg倾斜 */
            100% { transform: rotateX(-15deg) rotateY(360deg); } /* 仅Y轴旋转 */
        }

        /* hover效果优化 - 适配倾斜角度 */
        .carousel-item:hover {
            opacity: 1;
            transform: rotateY(var(--rotate)) translateZ(700px) scale(0.95);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
            z-index: 10;
        }
		.site-footer {
			border-top:1px solid #555;
			background: linear-gradient(
				to bottom,
				#c5c8cd 0%,    /* 顶部起始色 */
				#ffffff 30%,   /* 中间纯白色 */
				#ffffff 70%,
				#c5c8cd 100%   /* 底部回到浅灰色 */
			);
  color: #000;
  padding: 50px 0 20px;
  font-family: "Microsoft YaHei", sans-serif;
  width:100vw;
}
.footer-container {
height:200px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  padding: 0 20px;
}
.footer-logo .logo-img {
  height: 40px;
  margin-bottom: 10px;
}
.footer-logo .logo-desc {
  color: #000;
  font-size: 14px;
}
.footer-nav h4,
.footer-contact h4 {
  font-size: 16px;
  margin-bottom: 15px;
  color: #000;
}
.footer-nav ul,
.footer-contact ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li,
.footer-contact li {
  margin-bottom: 8px;
  font-size: 14px;
  color: #000;
}
.footer-nav a {
  color: #000;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-nav a:hover {
  color: #000;
}
.footer-copyright {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 20px;
  border-top: 1px solid #333;
  text-align: center;
  color: #777;
  font-size: 13px;
}
.fp-watermark a{
	display:none;
}
.data-section {
            width: 100vw;
            height: 100vh;
            background-size: cover;
            overflow: hidden;
        }
        .data-container {
            position: relative;
            z-index: 2;
            width: 100%;
            height: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            color: #fff;
			padding-top:70px;
			background: linear-gradient(to right, 
			rgb(2 38 75 / 80%) 0%, /* 左边蓝色 */ 
			rgb(2 38 75 / 80%) 50%, /* 蓝色到中间 */ 
			rgb(30 106 181 / 70%) 50%, /* 中间开始红色 */ 
			rgb(30 106 181 / 70%) 100% /* 右边红色 */
            );
        }
        .data-item {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 1% 30%;
        }
		.data-item:nth-child(2n){
            padding: 1% 20%;
		}
        .data-number {
            font-size: 96px;
            font-weight: 600;
            line-height: 1;
            margin-bottom: 15px;
        }
        .data-number sup {
            font-size: 24px;
            top: -0.6em;
        }
        .data-label {
            font-size: 24px;
            font-weight: 300;
            opacity: 0.9;
        }
        .center-machine {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 3;
            max-width: 600px;
            opacity: 0.9;
        }
 .section-title-fz {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #fff;
            line-height: 1.4;
        }
        .section-title-fz .en {
            font-size: 16px;
            color: #0052A5;
            font-weight: normal;
        }
		.timeline-container{
			margin:0 auto;
			display:flex;
		}
        .timeline-item {
            margin-bottom: 18px;
        }
		.meddle-column{
			margin:0 20px;
		}
        .timeline-year {
            width: 8em;
            background: linear-gradient(90deg, #E60012, #0052A5);
            color: #fff;
            padding: 5px 12px;
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 8px;
            clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
        }
        .timeline-desc {
            font-size: 16px;
            color: #333;
            line-height: 1.6;
            padding-left: 2px;
        }
        .timeline-desc p {
            margin-bottom: 5px;
			color:#fff;
        }