/* 全局样式 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* 整体框架容器样式 */
.container {
  width: 1280px;
  margin: 0 auto;
}

/* 头部样式 */
.header {
  margin-bottom: 30px;
}

.main-nav {
  background-color: #333;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
  margin-right: 20px;
  padding: 10px;
}

.logo img {
  height: 40px;
}

.nav-links {
  list-style-type: none;
  display: flex;
  flex-grow: 1;
  justify-content: space-around;
}

.nav-link {
  text-decoration: none;
  color: #fff;
  padding: 15px 20px;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
  font-weight: bold;
}

.nav-link:hover {
  background-color: #555;
  color: #007BFF;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #007BFF;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

/* 幻灯片图片样式 */
.slideshow-container {
  position: relative;
  margin: auto;
  width: 100%;
}

.mySlides {
  display: none;
}

.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.prev:hover,
.next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active,
.dot:hover {
  background-color: #717171;
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {
    opacity: 0.4;
  }

  to {
    opacity: 1;
  }
}

/* 服务优势概述样式 */
.service-advantages {
  padding: 50px;
  text-align: center;
}

.service-links {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

.service-item {
  width: 25%;
  min-width: 250px;
  margin: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 20px;
}

/* 重新设计的背景颜色 */
.aigc-rate-lower-color {
  background-color: #f5f5f5; /* 浅绿色调，给人科技清新感 */
}

.vip-aigc-color {
  background-color: #f5f5f5; /* 淡粉色调，柔和且有辨识度 */
}

.wanfang-aigc-color {
  background-color: #f5f5f5; /* 淡绿色调，与学术相关联的清新感 */
}

.turnitin-aigc-color {
  background-color: #f5f5f5; /* 淡蓝色调，给人专业、国际化的感觉 */
}

.check-btn {
  display: inline-block;
  padding: 8px 16px;
  background-color: #007BFF;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.check-btn:hover {
  background-color: #0056b3;
}

/* 报告展示样式 */
.report-section {
  padding: 50px;
}

.report-section h2 {
  text-align: center;
}

.report-group {
  display: flex;
  justify-content: space-around;
  margin-bottom: 30px;
}

.report-item {
  text-align: center;
  width: 300px;
}

.report-item img {
  width: 100%;
  height: auto;
  margin-bottom: 10px;
}

/* 查重问答文章展示样式 */
.qa-articles {
  padding: 50px;
}

.qa-articles h2 {
  text-align: center;
}

.article-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.article-item {
  width: 34%;
  margin-bottom: 20px;
}

.article-item h3 {
  cursor: pointer;
  color: #007BFF;
}

/* 页脚样式 */
.footer {
  background-color: #f4f4f4;
  text-align: center;
  padding: 15px 0;
  color: #333;
}

/* 手机屏幕适配 */
@media (max-width: 1280px) {
  .container {
      width:

/* 导航栏样式 */
.main-nav {
    width: 100%;
    background-color: #333; /* 导航栏背景颜色 */
    display: flex;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 10px 0; /* 上下内边距 */
}

.logo {
    padding: 0 20px; /* 左右内边距 */
}

.logo img {
    height: 40px; /* logo 高度 */
}

.nav-links {
    list-style-type: none;
    display: flex;
    justify-content: space-around;
    flex-grow: 1;
}

.nav-link {
    text-decoration: none;
    color: white;
    padding: 10px 15px; /* 链接内边距 */
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: #555; /* 鼠标悬停时的背景颜色 */
}