/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "JetBrains Mono, JetBrains Mono";
}
/* -------------common-start------------ */
/* 页面区块 */
.section {
  width: 100%;
  padding: 80px 20px 20px; /* 避开导航栏 */
  display: flex;
  justify-content: center;
  background: #f9fcff;
  padding-top: 40px;
  text-align: center;
  background: #DCEFFF;
}
.section-title{
  font-size: 3.4rem;
  color: #333;
  margin-bottom: 10px;
  font-weight: bold;
  padding: 0px 17%;
}
.section-sub-title {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 24px;
  padding: 0px 17%;
}
.btn-main {
  display: inline-block;
  padding: 12px 25px;
  background: #675AFE;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s ease;
  border-radius: 30px;
}
.btn-main:hover {
  background: #5348d8;
  cursor:pointer
}

/* -------------common-end------------ */

/* 左上角Logo（压在背景图上） */
.home-bg { position: relative; }
.corner-logo {
  position: fixed;
  top: 35px;
  left: 20px;
  z-index: 1000;
  cursor: pointer;
}
.corner-logo img {
  height: 50px;
  display: block;
}

/* -------------悬浮导航栏start------------ */
.navbar {
  left: 50%;
  transform: translateX(-50%);
  position: fixed;
  top: 0;
  width: 1050px;
  height: 70px;
  background: #E6F0FC;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 999;
  transition: all 0.3s ease;
  border-radius: 30px;
  top: 2%;
  backdrop-filter: blur(5px); /* 模糊半径 10px，值越大越模糊 */
  -webkit-backdrop-filter: blur(5px);
  background-color: rgba(245, 247, 250, 0.85)
}
/* 导航Logo */
.navbar .logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}
.navbar .logo img {
  width: 100%;
  height: 41px;
}
.navbar .logo span {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}
/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  width: 100%;
}
.nav-links li {
  margin: 0;
}
.nav-links li a {
  text-decoration: none;
  color: #333;
  font-size: 1rem;
  padding: 8px 0;
  transition: color 0.3s ease;
}
.nav-links li a:hover {
  color: #675AFE;  
}
.nav-links li .active {
  color: #675AFE;        /* 当前激活状态 */
  font-weight: 500;
}
/* 下载客户端浮窗 */
.download-wrap {
  position: relative;
  display: inline-block;
}
.download-wrap .btn-main {
  cursor: pointer;
}
.download-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 1001;
}
.download-wrap.open .download-popover {
  display: flex;
}
.download-popover-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  color: #333;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease;
}
.download-popover-item:hover {
  background: #f0f3ff;
  color: #675AFE;
}
.download-popover-item img {
  width: 18px;
  height: 18px;
}
/* -------------悬浮导航栏end------------ */

/* -------------帮我回答tab-start------------ */
.image-container {
  display: flex;
  /* 列之间的间距 */
  gap: 30px;
  /* 限制最大宽度，避免在大屏幕上两侧距离过宽 */
  max-width: 1460px;
  /* 容器水平居中，两侧留白自动分配 */
  margin: 0 auto;
  /* 容器内部左右padding，控制最小两侧距离 */
  width: 100%;
  margin-bottom: 30px;
}

/* 图片容器样式：让图片在列中居中 */
.image-item {
  flex: 1; 
  text-align: center; /* 让图片水平居中 */
  margin: 0 auto;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* 图片样式 */
.image-item img {
  max-width: 100%; /* 图片最大宽度占满列 */
  height: auto; /* 保持宽高比 */
  border: none; /* 可选：去掉默认边框 */
}
/* 容器样式 */

.main-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

/* 说明区域样式 */
.description-area {
  padding: 16px 24px 16px 0px;

}

.info-container {
  display: flex;
  align-items: center;
}

/* 图标样式 */
.icon-wrapper img {
  width: 55%;
}

/* 标题和标签样式 */
.text-content {
  width: 100%;
}

.title-row {
  text-align: left;
}
.title-row-title {
  font-size: 21px;
  font-weight: bold;
}

.tag {
  background: #f0f3ff;
  color: #675afe;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  float: right;
}


/* 说明文字样式 */
.description-text {
  color: #64748b;
  font-size: 16px;
  margin-top: 8px;
  text-align: left;
  width: 100%;
}
/* -------------帮我回答tab-end------------ */


/* -------------文档编辑-start------------ */
.content-bg{
  border: 2px #fff solid;
  background: #E9F6FF;
  padding-left: 3%;
  margin-top: 1.6%;
  border-radius: 32px;
  margin: 0 auto;
  width: 80%;
  margin-top: 2%;
}
/* 右侧内容容器 */
.content-main {
  flex: 1; 
  position: relative; 
  padding: 2rem;
  overflow: hidden;
  height: 500px;
}

.content {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
}
.content2 {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
}
.content.active {
  display: flex;
  animation: fadeIn 0.5s ease;
}
.content2.active {
  display: flex;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.text-content {
  flex: 1;
  max-width: 100%;
}

.image-content {
  flex: 1;
  max-width: 100%;
}

.text-content-title {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
  color: #1e293b;
  position: relative;
  text-align: left;
}
.text-content-sub-title {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: #1e293b;
  position: relative;
  text-align: left;
  width: 70%;
  line-height: 41px;
 
}

.content-tag {
  border: 2px #fff solid;
  background: #E9F6FF;
  padding-left: 5%;
  margin-top: 1.6%;
  border-radius: 32px;
  width: 89%;
  margin: auto;
  margin-top: 2rem;
}
.content img {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: cover;
  border-radius: 8px;
  margin-left: -16%;
}
/* 左侧竖条导航 */
.sidebar {
  width: 1px;
  background: #fff;
  position: absolute;
  padding: 1px;
  height: 200px;
  margin-top: 150px;
}
/* 激活指示器 */
.sidebar-indicator {
  position: absolute;
  left: 0;
  width: 100%;
  background: #3b82f6;
  transition: all 0.5s ease;
}
/* -------------文档编辑-end------------ */


/* -------------帮我阅读tab-start------------ */

.text-content-tag-bg {
 text-align: left;
}
.text-content-tag {
  background: #E2E9FF;
  color: #675afe;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 14px;
  float: left;
  margin-right: 20px;
}
/* -------------帮我阅读tab-end------------ */

/* -------------聚合模型tab-start------------ */
/* 容器样式，控制整体布局 */
.flex-container {
  /* 外层 Flex：垂直排列多行 */
  display: flex;
  flex-direction: column;
  gap: 10px; /* 行间距 */
  margin: 40px auto;
  overflow: hidden;
  margin-bottom: 0px;
}

.row {
  /* 每行用 Flex 放元素 */
  display: flex;
  /* 让每行内部元素居中，或根据需求调整 */
  align-items: center; 
  justify-content: center;
}

/* 第二行、第四行等需要错位，加左边距 */
.row.offset {
  margin-left: 80px; /* 偏移量 = 元素宽度 + gap，可自行计算 */
}

.flex-item {
  text-align: center; 
  width: 120px;
  height: 120px;
  margin-left: 24px;
}

.first-item {
  margin-left: 10px;
}

.flex-item img {
  width: 48px;
  height: 48px;
  margin-top: 20px;
  border-radius: 12px;
}

.icon-item-text-claude{
  font-size: 14px;
  font-weight: bold;
  /* position: relative;
  top: -140px; */
  display: block;
  min-width: 109px;
  overflow: hidden;
}

.icon-item-text{
  font-size: 14px;
  font-weight: bold;
  /* position: relative;
  top: -140px; */
  display: block;
  margin-top: 15px;
  min-width: 109px;
  overflow: hidden;
}

.icon-item-text3{
  top: -125px;
}
/* -------------聚合模型tab-end------------ */


.container {
  width: 100%;
}

/* 首页样式 */
.img-bg{
  margin-top: 2%;
  height: 55vh;
}
.home-bg{
  background-image: url('./img/bg.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 100vh;
  padding-top: 50px;
}

/* -------------帮我搜索-start------------ */
.language-list {
  position: relative;
  left: clamp(200px, 17.5vw, 800px);
  top: clamp(-30vw, -26vw, -205px);
  width: clamp(80px, 12vw, 210px);
}
.language-list2 {
  position: relative;
  left: clamp(200px, 16.5vw, 800px);
  top: clamp(-46vw, 0vw, 200px);
  width: clamp(80px, 12vw, 210px);
  font-size: clamp(10px, 5vw, 12px);
}
.language-list2-title {
  width: 133px;
  position: relative;
  left: clamp(200px, 16.5vw, 800px);
  font-size: clamp(10px, 5vw, 12px);
}

.language-item {
  text-align: center;
  border-radius: 8px;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
  background-image: linear-gradient(45deg, #7b68ee, #4169e1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background: #fff;
  color: #8762FF;
  margin: 2vw 20px;
  padding: 10px 0;
  font-size: 14px;
}
.language-item-text{
  background: linear-gradient(90deg, 
      #7C64FF 0%,    
      #9E5EFF 50%,   
      #5B7CED 100% 
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent; 
}
.language-item2-text{
  background: linear-gradient(90deg, 
    #7C64FF 0%,    
    #9E5EFF 50%,   
    #5B7CED 100% 
  );
  /* 文字裁剪效果 */
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent; 
}
.language-item2 {
  text-align: center;
  border-radius: 8px;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
  background-image: linear-gradient(45deg, #7b68ee, #4169e1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background: #fff;
  color: #8762FF;
  margin: 1vw 20px;
  padding: 10px 0;
  font-size: 15px;
}
.language-tag {
  background: #f0f3ff;
  color: #675afe;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  float: left;
  margin-right: 47px;
}
.language-ai-bg{
  margin: 0 auto;
  margin-top: -27%;
  margin-left: 32.2%;
  position: relative;
}

/* -------------帮我搜索-end------------ */

/* -------------底部footer-start------------ */
.footer {
  background-color: #2c3e50;
  color: #fff;
  padding: 80px 20px;
  margin-top: auto; /* 确保页脚在内容下方 */
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-left {
  margin-left: -9%;
}
.footer-content .href{
  cursor: pointer;
}
.footer-left span {
  margin-right: 15px;
  color: #A5AAAF;
  font-size: 14px;
}
.footer-left a {
  margin-right: 15px;
  color: #A5AAAF;
  font-size: 14px;
}

.footer-right {
  margin-right: -8%;
}
.footer-right a {
  color: #fff;
  text-decoration: none;
  margin-left: 100px;
  transition: opacity 0.3s;
}

.footer-right a:hover {
  opacity: 0.8;
}
/* -------------底部footer-end------------ */

/* 回到顶部按钮样式 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #675AFE;
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.back-to-top:hover {
  background-color: #675AFE;
  transform: scale(1.1);
}

/* 按钮显示状态 */
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* 自定义箭头（不使用外部图标） */
.arrow-up {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 15px solid white
}