/**
 * index 应用全局响应式样式
 * 补充各页面移动端显示适配
 */

/* ---------- 基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

/* ---------- 容器 ---------- */
.container,
.w1200 {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* ---------- 富文本内容 ---------- */
.content,
.case-content,
.news-content .content,
.page-news-content .content,
.page-case-content .text,
.article-body,
.detail-content {
  overflow-wrap: break-word;
  word-break: break-word;
}

.content img,
.case-content img,
.news-content .content img,
.page-news-content .content img,
.article-body img,
.detail-content img {
  max-width: 100% !important;
  height: auto !important;
}

.content table,
.case-content table,
.news-content .content table {
  display: block;
  width: 100% !important;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.content iframe,
.case-content iframe,
.news-content .content iframe {
  max-width: 100%;
}

/* ---------- 内页 Banner / 面包屑 ---------- */
.page_banner img {
  display: block;
  width: 100%;
  height: auto;
}

.breadNavBg {
  overflow-x: auto;
}

.breadNav .breadcrumb {
  flex-wrap: wrap;
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 案例列表 / 详情 ---------- */
.page-case {
  padding: 30px 0 50px;
}

.page-case .case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.page-case .case-list .item {
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-case .case-list .item .pic {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.page-case .case-list .item h3 {
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.4;
  color: #1A2233;
  margin: 0;
}

.page-case-content {
  padding: 30px 0 50px;
  background: #f8f9fa;
}

.page-case-content .container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  padding: 36px 40px 24px;
  box-sizing: border-box;
}

.page-case-content .content-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-case-content .content-main .pic img {
  border-radius: 8px;
}

.page-case-content .content-main .text h2 {
  font-size: 22px;
  line-height: 1.35;
  color: #1A2233;
  margin: 0 0 12px;
}

.page-case-content .case-project {
  color: #666;
  line-height: 1.7;
  font-size: 15px;
}

.page-case-content .case-content {
  line-height: 1.8;
  color: #1A2233;
  font-size: 16px;
  overflow: hidden;
}

.page-case-content .case-content::after {
  content: '';
  display: block;
  clear: both;
}

.page-case-content .case-content img {
  max-width: 100%;
  height: auto !important;
}

/* 案例详情上下篇（与新闻详情一致） */
.page-case-content .article-navigation {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 20px;
  width: 100%;
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid #f0f0f4;
  clear: both;
}

.page-case-content .article-navigation .nav-item {
  flex: 1 1 calc(50% - 10px);
  display: flex;
  align-items: center;
  max-width: calc(50% - 10px);
  min-width: 0;
  min-height: 48px;
  padding: 8px 16px 8px 0;
  box-sizing: border-box;
  border-radius: 12px;
  border: 1px solid rgba(79, 70, 229, 0.12);
  background: #fbfbfe;
  transition: all 0.3s ease;
}

.page-case-content .article-navigation .nav-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-color: rgba(37, 56, 255, 0.35);
}

.page-case-content .article-navigation .nav-label {
  font-size: 14px;
  color: rgba(26, 34, 51, 0.7);
  padding-left: 16px;
  width: 70px;
  flex-shrink: 0;
}

.page-case-content .article-navigation .nav-title {
  font-size: 14px;
  background: linear-gradient(270deg, #8F00FF 0%, #2538FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  line-height: 1.4;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.page-case-content .article-navigation .nav-none {
  font-size: 14px;
  color: #bbb;
  flex: 1;
}

.page-news-content {
  padding: 30px 0 50px;
}

.page-news-content .top-title h2 {
  font-size: 22px;
  line-height: 1.35;
}

.page-news-content .note {
  font-size: 13px;
  color: #999;
  margin: 10px 0 20px;
}

/* ---------- 侧边栏 ---------- */
.p_p_left {
  width: 100%;
}

/* ---------- 表单 ---------- */
.form-code .flex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.form-code .flex .form-control {
  flex: 1 1 120px;
  min-width: 0;
}

.form-code .validateImg {
  width: auto !important;
  max-width: 120px;
  height: auto;
  flex-shrink: 0;
  cursor: pointer;
}

.form-group .form-control,
.form-group textarea {
  width: 100%;
  box-sizing: border-box;
}

/* ---------- 登录弹窗 ---------- */
.modal-overlay .modal-content {
  width: calc(100% - 32px);
  max-width: 420px;
  margin: 0 16px;
}

/* ---------- 模块标题 ---------- */
.service-title h2 {
  word-break: break-word;
}

/* ---------- 平板 (≤1024px) ---------- */
@media (max-width: 1024px) {
  .container,
  .w1200 {
    padding-left: 20px;
    padding-right: 20px;
  }

  .banner-right {
    width: 100%;
    margin-top: 16px;
  }

  .tech-illustration {
    margin-left: 0;
    margin-top: 0;
    max-width: 85%;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .page-case .case-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .p_p_left {
    margin-bottom: 30px;
  }
}

/* ---------- 手机 (≤768px) ---------- */
@media (max-width: 768px) {
  .container,
  .w1200 {
    padding-left: 16px;
    padding-right: 16px;
  }

  .banner-section,
  .banner-bg {
    min-height: auto;
  }

  .banner-content {
    min-height: auto;
  }

  .banner-right {
    display: none;
  }

  .service-title h2 {
    font-size: 26px;
    line-height: 1.3;
  }

  .service-title p {
    font-size: 14px;
    width: 100% !important;
    padding-top: 10px !important;
  }

  .recognition-tabs .tab-nav {
    gap: 12px !important;
    flex-wrap: wrap;
    justify-content: center;
  }

  .recognition-tabs .tab-btn {
    font-size: 14px !important;
    padding: 8px 14px !important;
  }

  .page-case {
    padding: 24px 0 70px;
  }

  .page-case .case-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .page-case .case-list .item h3 {
    padding: 10px 12px;
    font-size: 14px;
  }

  .page-case-content,
  .page-news-content {
    padding: 24px 0 70px;
  }

  .page-case-content .content-main .text h2,
  .page-news-content .top-title h2 {
    font-size: 20px;
  }

  .page-case-content .container {
    padding: 24px 20px;
  }

  .page-case-content .article-navigation {
    flex-direction: column;
    gap: 12px;
  }

  .page-case-content .article-navigation .nav-item {
    flex: 1 1 100%;
    max-width: 100%;
  }

  /* 移动端底部固定栏安全区 */
  .wapkf {
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .site-footer {
    padding-bottom: calc(85px + env(safe-area-inset-bottom, 0)) !important;
  }

  /* AI 侧边栏隐藏 */
  .kfside {
    display: none !important;
  }
}

/* ---------- 小屏手机 (≤480px) ---------- */
@media (max-width: 480px) {
  .container,
  .w1200 {
    padding-left: 12px;
    padding-right: 12px;
  }

  .banner-left {
    padding: 12px !important;
  }

  .banner-title h1,
  .highlight-red {
    font-size: 20px !important;
  }

  .banner-subtitle p {
    font-size: 14px !important;
  }

  .cta-btn {
    max-width: 100%;
  }

  .service-title h2 {
    font-size: 22px;
  }

  .service-title p {
    font-size: 13px;
  }

  .page-case .case-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-case .case-list .item .pic {
    aspect-ratio: 16 / 10;
  }

  .page-case-content .container {
    padding: 18px 16px;
  }

  .form-code .flex {
    flex-direction: column;
    align-items: stretch;
  }

  .form-code .validateImg {
    max-width: 100%;
    width: 100% !important;
    max-height: 44px;
    object-fit: contain;
  }

  .wapkf ul li a {
    font-size: 14px;
  }

  .friendly-links span,
  .friendly-links a {
    font-size: 12px;
    line-height: 1.6;
  }

  .advantage-card {
    padding: 16px 12px !important;
  }

  .advantage-title {
    font-size: 15px !important;
  }

  .feiyou-advantages {
    grid-template-columns: 1fr !important;
  }
}