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

body {
  font-family: "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    /* 半透明背景 + 渐变 */
    background: linear-gradient(to bottom, rgba(0,0,0,0.98), rgba(0,0,0,0.76));
    backdrop-filter: blur(12px);   /* 毛玻璃效果 */
    -webkit-backdrop-filter: blur(12px); /* Safari 支持 */
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
  }

  .logo img {
    height: 40px;
  }

  .navbar ul {
    display: flex;
    list-style: none;
    gap: 30px;
  }

  .navbar ul li a {
    text-decoration: none;
    color: #fff; /* 白色字体 */
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
  }

  .navbar ul li a:hover {
    color: #ff5f00;
  }

  /* 父级相对定位 */
  .navbar ul li {
    position: relative;
  }

  /* 下拉菜单 */
  .dropdown-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;

    /* 让风格和 header 保持一致 */
    background: linear-gradient(to bottom, rgba(0,0,0,0.98), rgba(0,0,0,0.76));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-radius: 6px;
    padding: 10px 0;
    margin: 0;
    list-style: none;

    min-width: 160px;
    z-index: 999;
  }

  /* 下拉菜单的文字 */
  .dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: #fff;            /* 白色文字 */
    font-size: 14px;
    text-decoration: none;
    transition: background 0.3s ease, color 0.3s ease;
  }

  /* 悬停效果 */
  .dropdown-menu li a:hover {
    background: rgba(255, 95, 0, 0.2);
    color: #ff5f00;
  }

  /* 悬停显示菜单 */
  .dropdown:hover .dropdown-menu {
    display: block !important;
  }

  nav.navbar ul li.dropdown > .dropdown-menu {
  display: none;
  }

/* About Section */
.about {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  color: white;
  display: flex;
  align-items: center; 
  padding: 0 80px;
  box-sizing: border-box;
}

.hero-video {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overlay-image {
  position: absolute;
  top: 0;
  left: -80px; 
  width: calc(100% + 120px); 
  height: 100%;
  object-fit: cover;
  object-position: left center;
  z-index: 0.5;
  opacity: 0.8;
  pointer-events: none;
}

.about-text {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: 80px 0;
}

.about-text h1 {
  font-size: 105px; 
  font-weight: bold;
  margin: 0;
  z-index: 1;
  margin: 70px 0 0 0;  
}

.stats {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 180px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0px, rgba(0, 0, 0, 0.6) 1px, rgba(0, 0, 0, 0.4) 60%, rgba(0, 0, 0, 0) 100%);
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-size: 48px;
  color: white;
  z-index: 2;
  text-align: center;
  left: -80px;
  border-top: 2px solid white;
}

.stats p {
  margin: 0;
}

.stats .stat-number {
  font-size: 64px;
  font-weight: bold;
  display: block;
  line-height: 0.1;
}

.stats .stat-label {
  font-size: 24px;
  opacity: 0.9;
  display: block;
  margin-top: 1px;
  line-height: 0.1;
}

/* Cases */
.solution-block {
  position: relative;
  width: 100vw;
  max-width: 1200px; 
  margin: 0 auto;
  padding-bottom: 100px;
  height: 400px;
  margin-left: 250px;
}

.solution-text {
  position: relative;
  z-index: 2;
  width: 60%; 
  margin-left: auto; 
  bottom: 0;
  text-align: left;       /* 左对齐 */
}

.solution-text h1 {
  
  font-weight: bold;
  margin: 0 0 12px 0;
    color: #333;
  transform: translateX(-40%); 
}

.solution-text h1 .cn {
  font-size: 36px; 
  display: inline-block; 
}
.solution-text h1 .en {
  font-size: 64px; 
  display: block;
}

.solution-text h2 {
  font-size: 32px;
  font-weight: 500;
  margin: 0 0 24px 0;
  color: #666;
  transform: translateX(-12%); 
}

.solution-text p {
  font-size: 24px;
  line-height: 1.6;
  margin: 0;
}

.solution-bg {
  position: absolute;
  bottom: 50px;
  left: 0;
  width: 370px; 
  z-index: 1;
}

.case-title {
  font-size: 50px !important;
  color: #000;
  margin-bottom: 10px;
  text-align: left;
  font-weight: normal; /* 默认字重 */
  line-height: 0.8; 
  margin-top: 120px;
}

.case-title .highlight {
  font-size: 62px !important;       /* 案例更大 */
  font-weight: 700;      /* 案例更粗 */
  color: #000;
}

.case-link a {
  font-size: 24px;       
  color: #666;          
  text-decoration: none;
}

.case-link a:hover {
  color: #ff5f00;         /* 鼠标悬停效果 */
}

.case-section {
  max-width: 950px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: left;
}


.cases {
  padding: 80px 60px;
  text-align: center;
}

.cases h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.cases a {
  color: #333;
  text-decoration: none;
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  height: 600px;
  max-width: 1000px;
  margin: 0 auto;
}

.item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  
  display: block;
  transition: transform 0.3s ease;
}

.cases-grid a:hover img {
  border: 2px solid #ff5f00;
  box-shadow: 0 0 10px #ff5f00;
  transform: scale(1.02);
}

/* 案例图片容器 */
.cases-grid .image-wrapper {
  position: relative;
  overflow: hidden; /* 防止放大溢出 */
}

/* 图片放大 */
.cases-grid .image-wrapper img {
  transition: transform 0.4s ease;
  display: block;
}

/* 悬停时放大 */
.cases-grid .image-wrapper:hover img {
  transform: scale(1.1);
  filter: brightness(1.05);
}

/* caption 初始状态（隐藏） */
.cases-grid .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 10px 15px;
  color: #fff;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.4);
  opacity: 1;                /* 初始不可见 */
  transform: translateY(100%); /* 初始在图片下方 */
  transition: all 0.4s ease; /* 平滑过渡 */
}

/* 悬停时 caption 上移并显示 */
.cases-grid .image-wrapper:hover .caption {
  opacity: 1;
  transform: translateY(0);
}

.item1 {
  grid-column: 1 / 2;
  grid-row: 1 / 3; /* 占左边两行 */
}

.item2 {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.right-bottom-nest {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr; /* 横向两张图 */
  gap: 20px;
}

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

.cases-grid {
  max-width: 900px;
  margin: 0 auto;
}

.cases-grid img {
  width: 100%;
  transition: transform 0.3s ease;
}

.image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  object-fit: cover;
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.cases-grid .image-wrapper {
  position: relative;
  overflow: hidden;  /* 防止图片溢出容器 */
}

.cases-grid .image-wrapper img {
  transition: transform 0.4s ease; /* 平滑过渡 */
}

.cases-grid .image-wrapper:hover img {
  transform: scale(1.35); /* 放大 1.35 倍 */
}

.caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: bold;
  color: #333;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
  box-sizing: border-box;
}

.caption {
  text-align: left;
}

.image-wrapper:hover .caption {
  background: linear-gradient(to top, #ff5f00, rgba(255, 165, 0, 0));
}
.image-wrapper:hover .caption {
  color: white; 
}

/* 外层全宽背景 */
.intro-section {
  width: 100%;
  background: #f2f2f2;
}

/* 内层文字区域 */
.intro {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 60px 80px 200px;
  text-align: left;
}

.intro h2 {
  font-size: 40px;
  font-weight: bold;
  color: #000;
  margin-bottom: 20px;
}

.intro p {
  font-size: 36px;
  color: #444444e4;
  margin: 8px 0;
}

/* Honor */
.honor {
  padding: 80px 60px;
  background-color: #fff;
  position: relative;
  max-width: 900px; 
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 0px;
  text-align: left;
  font-family: "微软雅黑", sans-serif;
}

.honor h1 {
  font-weight: normal;
  font-size: 50px;
  margin-bottom: 40px;
  z-index: 1
}

.honor-text h1 .honor-highlight {
  font-weight: 700;  
  font-size: 62px;   
  z-index: 1;
}

.honor-text {
  flex: 1;
  z-index: 1;
  margin-right: 20px;
}

.honor-item {
  margin-bottom: 60px;
  max-width: 360px;
  z-index: 1
}

.honor-tag {
  display: inline-block;
  background-color: #ff5f00;
  color: #fff;  
  font-weight: 700;
  font-size: 14px;
  padding: 5px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
  z-index: 1
}

.honor-item h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px 0;
  z-index: 1
}

.honor-item .subtitle {
  font-weight: 600;
  font-size: 14px;
  color: #222;
  margin-bottom: 8px;
  z-index: 1
}

.honor-item .desc {
  font-weight: 700;
  font-size: 14px;
  color: #222;
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
  padding-bottom: 10px;
  z-index: 1
}

.honor-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  flex-shrink: 0;
  z-index: 1;
  margin-top: 110px; 
}

.honor-grid img {
  width: 120px; /* 图片宽度固定 */
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.honor-container {
  position: relative;   /* 给背景图提供定位上下文 */
}

/* 背景图绝对定位 */
.honor-bg {
  position: absolute;
  bottom: 0;
  left: 500px;
  width: 775px;
  height: auto;
  pointer-events: none;
  user-select: none;
  z-index: 0;            /* 在 honor 后面 */
}

/* Footer */
.site-footer {
  background-color: #222;
  color: #ccc;
  font-size: 14px;
  line-height: 1.6;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 40px 60px;
  flex-wrap: wrap;
}

.footer-left {
  flex: 1;
  min-width: 200px;
}

.footer-logo {
  width: 160px;        /* 根据图片大小调整 */
  height: auto;
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.social-icons img {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 50%;
  padding: 6px;
  transition: transform 0.3s ease;
}

.social-icons a:hover img {
  transform: scale(1.2);
}

.footer-right {
  flex: 2;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  min-width: 300px;
}

.footer-column {
  padding: 0 20px;
  border-left: 1px solid #444;
}

.footer-column:first-child {
  border-left: none;
}

.footer-column p {
  margin: 6px 0;
}

.footer-column a {
  color: #ccc;
  text-decoration: none;
}

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

.footer-bottom {
  background: #ff5f00;
  color: #000;
  text-align: center;
  padding: 12px 20px;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 20px;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
  }

  .about {
    flex-direction: column;
    padding: 60px 20px;
    text-align: center;
  }
}


/* ==== Contact Page ==== */
body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #000;
    line-height: 1.6;
}

.contact-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题 */
.hero-section {
    text-align: center;
    margin: 60px auto 40px;
}
.hero-title {
    font-size: 60px;
    font-weight: 300;
    letter-spacing: 5px;
}
.hero-subtitle {
    font-size: 16px;
    margin-top: 10px;
}

/* 表单 */
.contact-form-section {
    max-width: 800px;
    margin: 0 auto 50px;
}
.contact-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
}
.contact-form .form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    font-size: 16px;
    box-sizing: border-box;
    background-color: #ddd;
}
.contact-form textarea {
    resize: none;
}
.checkbox-section {
    font-size: 14px;
    margin: 20px 0;
}
.checkbox-section label {
    display: block;
    margin-bottom: 10px;
}
.checkbox-section a {
    color: #ff5f00;
    text-decoration: none;
}

.checkbox-section label {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}

.checkbox-section input[type="checkbox"] {
    flex-shrink: 0;
    width: 12px;  /* 固定宽度 */
    height: 12px;
    margin-top: 3px; /* 让复选框垂直对齐文字 */
}

.checkbox-section label span {
    display: inline-block;
    line-height: 1.4;
}

.captcha-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
}
.captcha-img {
    height: 40px;
}
.button-row {
    display: flex;
    gap: 20px;
}
.btn {
    padding: 10px 30px;
    border: none;
    cursor: pointer;
    font-size: 16px;
}
.reset-btn {
    background-color: #333;
    color: #fff;
}
.submit-btn {
    background-color: #ff5f00;
    color: #fff;
}

/* 联系方式与地图 */
/* 统一四块内容的布局 */
.contact-info-section {
    display: grid;
    grid-template-columns: 1fr 1.5fr; /* 左右两列均分 */
    grid-template-rows: auto auto;  
    gap: 40px;
    max-width: 800px;
    margin: 50px auto;
}

/* ---- 上右：地图 ---- */
.info-top-right img {
    width: 100%;        /* 缩小一点，避免右侧过宽 */
    height: auto;
    display: block;
    margin: 0 auto;
}

/* ---- 下左：电话 + 二维码 ---- */
.info-bottom-left .phone {
    font-size: 18px;   
    font-weight: 500;
    margin-bottom: 15px;
}
.info-bottom-left strong {
    font-size: 20px;   /* 电话号码稍大 */
}
.info-bottom-left .qrcode {
    width: 120px;
    height: auto;
}

.info-bottom-left .phone {
  display: flex;
  flex-direction: column; /* 垂直排列 */
  gap: 5px;               /* 商务合作 与 电话之间的间距 */
}

/* ---- 下右：邮箱 ---- */
.info-bottom-right p {
    font-size: 18px;       /* 和电话保持一致 */
    line-height: 1.6;      
    margin: 0;
}
.info-bottom-right span.label {
    font-weight: 600;
    margin-right: 5px;
}
.info-bottom-right a {
    font-size: 20px;       
    color: #ff5f00;        
    text-decoration: none;
}
.info-bottom-right a:hover {
    text-decoration: underline;
}

.info-bottom-right p {
    line-height: 1.9; /* 默认1.2左右 */
}


/* 二维码大小 */
.qrcode {
    width: 150px;
    margin-top: 10px;
}


/* 微信二维码 */
.wechat-section {
    text-align: center;
    margin: 50px auto;
    max-width: 800px;   
    text-align: center; 
}
.wechat-qrcodes {
    display: flex;
    justify-content: center;
    grid-template-columns: repeat(4, 1fr); 
    gap: 107px;
    margin-top: 20px;
}
.wechat-qrcodes img {
    width: 120px;
}

.divider {
  border: none;
  width: 80%;       
  height: 2px;              
  background: #333;         
  margin: 50px auto;           
  border-radius: 2px;       
}

.intro-image {
  position: relative;        
  width: 1700px;             
  height: auto;
}

.solution-image {
  position: relative;
  display: inline-block;
  margin-left:-120px;
}

.solution-image img {
  display: block;
  width: 1100px;
  height: auto;
  margin-left:-120px;
}

.solution-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;  /* 保持和底图一致大小 */
  height: 60%;
  z-index: 2;   /* 数值越大越在上层 */
  pointer-events: none; /* 避免挡住鼠标点击 */
  margin-top:-80px;
  margin-left:-180px !important;
}

.solution-image img:first-child {
  position: relative;
  z-index: 1; /* 底图 */
}