/* home.css - 首页专属模块（仅首页加载） */

/* ===== Banner轮播区 ===== */
.banner {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  background-color: var(--dark-bg);
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-white);
  z-index: 2;
  width: 90%;
  max-width: 800px;
}

.banner-content h2 {
  font-size: 36px;
  color: var(--text-white);
  margin-bottom: 15px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.banner-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 25px;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(26, 15, 46, 0.85), rgba(26, 15, 46, 0.4));
  z-index: 1;
}

/* Banner指示器 */
.banner-dots {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}

.banner-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  margin: 0 6px;
  cursor: pointer;
  transition: var(--transition);
}

.banner-dots span.active,
.banner-dots span:hover {
  background-color: var(--secondary);
}

/* Banner箭头 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-arrow:hover {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: var(--dark-bg);
}

.banner-prev {
  left: 30px;
}

.banner-next {
  right: 30px;
}

/* ===== 核心业务简介区 ===== */
.core-intro {
  background-color: var(--page-bg);
  padding: 60px 0;
}

.intro-cards {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.intro-card {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  padding: 30px 25px;
  margin: 0 15px;
  background: #fff;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 15px rgba(47, 27, 61, 0.06);
  transition: var(--transition);
  min-width: 220px;
  margin-bottom: 20px;
}

.intro-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(47, 27, 61, 0.12);
}

.intro-card .icon {
  width: 60px;
  height: 60px;
  background-color: rgba(0, 217, 192, 0.1);
  border-radius: 50%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 26px;
  color: var(--secondary);
}

.intro-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--primary);
}

.intro-card p {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ===== 服务体系展示区 ===== */
.service-show {
  background-color: #fff;
  padding: 60px 0;
}

.service-grid {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.service-item {
  width: calc(25% - 30px);
  margin: 0 15px 30px;
  padding: 35px 25px;
  background: var(--page-bg);
  border-radius: 10px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.service-item:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-5px);
}

.service-item:hover h3,
.service-item:hover p,
.service-item:hover .service-icon {
  color: var(--text-white);
}

.service-item:hover .service-icon {
  background-color: rgba(0, 217, 192, 0.2);
}

.service-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(0, 217, 192, 0.1);
  border-radius: 50%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 30px;
  color: var(--secondary);
  transition: var(--transition);
}

.service-item h3 {
  font-size: 18px;
  margin-bottom: 12px;
  transition: var(--transition);
}

.service-item p {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.7;
  transition: var(--transition);
}

/* ===== 数据展示区 ===== */
.data-show {
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark-bg) 100%);
  padding: 70px 0;
  color: var(--text-white);
}

.data-show .section-title h2 {
  color: var(--text-white);
}

.data-show .section-title::after {
  background-color: var(--secondary);
}

.data-grid {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.data-item {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  padding: 0 15px;
  text-align: center;
  min-width: 200px;
  margin-bottom: 20px;
}

.data-number {
  font-size: 42px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
  font-family: Arial, sans-serif;
}

.data-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 技术文库精选区 ===== */
.wiki-show {
  background-color: var(--page-bg);
  padding: 60px 0;
}

.wiki-list {
  background: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 15px rgba(47, 27, 61, 0.06);
}

.wiki-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -webkit-align-items: flex-start;
  -ms-flex-align: start;
  align-items: flex-start;
}

.wiki-item:last-child {
  border-bottom: none;
}

.wiki-num {
  width: 36px;
  height: 36px;
  background-color: var(--page-bg);
  border-radius: 6px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-right: 18px;
  -webkit-flex-shrink: 0;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.wiki-item:nth-child(1) .wiki-num,
.wiki-item:nth-child(2) .wiki-num,
.wiki-item:nth-child(3) .wiki-num {
  background-color: var(--secondary);
  color: var(--dark-bg);
}

.wiki-info {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
}

.wiki-info h3 {
  font-size: 15px;
  margin-bottom: 6px;
  font-weight: 500;
}

.wiki-info h3 a {
  color: var(--text-dark);
}

.wiki-info h3 a:hover {
  color: var(--secondary);
}

.wiki-info p {
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ===== 新闻动态区 ===== */
.news-show {
  background-color: #fff;
  padding: 60px 0;
}

.news-list {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.news-item {
  width: calc(50% - 30px);
  margin: 0 15px 25px;
  padding: 25px;
  background: var(--page-bg);
  border-radius: 10px;
  transition: var(--transition);
  border-left: 3px solid var(--secondary);
}

.news-item:hover {
  box-shadow: 0 4px 20px rgba(47, 27, 61, 0.1);
  transform: translateX(5px);
}

.news-meta {
  font-size: 12px;
  color: var(--text-gray);
  margin-bottom: 8px;
}

.news-meta .date {
  display: inline-block;
  padding: 2px 10px;
  background-color: rgba(0, 217, 192, 0.1);
  color: var(--secondary);
  border-radius: 20px;
  margin-right: 10px;
}

.news-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: 500;
}

.news-item h3 a {
  color: var(--text-dark);
}

.news-item h3 a:hover {
  color: var(--secondary);
}

.news-item p {
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ===== 合作伙伴区 ===== */
.partner-show {
  background-color: var(--page-bg);
  padding: 60px 0;
}

.partner-grid {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  margin: 0 -15px;
}

.partner-item {
  width: calc(25% - 30px);
  margin: 0 15px 30px;
  padding: 30px;
  background: #fff;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(47, 27, 61, 0.05);
  transition: var(--transition);
  min-height: 100px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.partner-item:hover {
  box-shadow: 0 4px 20px rgba(47, 27, 61, 0.12);
  transform: translateY(-3px);
}

.partner-item .partner-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

.partner-item .partner-desc {
  font-size: 12px;
  color: var(--text-gray);
  margin-top: 5px;
}

/* ===== 联系我们快捷区 ===== */
.contact-show {
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary) 100%);
  padding: 60px 0;
  color: var(--text-white);
}

.contact-show .section-title h2 {
  color: var(--text-white);
}

.contact-grid {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.contact-item {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  padding: 25px;
  margin: 0 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  min-width: 200px;
  margin-bottom: 20px;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--secondary);
}

.contact-item .icon {
  font-size: 32px;
  color: var(--secondary);
  margin-bottom: 15px;
}

.contact-item h3 {
  font-size: 16px;
  color: var(--text-white);
  margin-bottom: 8px;
}

.contact-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.contact-item a {
  color: rgba(255, 255, 255, 0.8);
}

.contact-item a:hover {
  color: var(--secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .banner {
    height: 400px;
  }

  .banner-content h2 {
    font-size: 28px;
  }

  .service-item {
    width: calc(50% - 30px);
  }

  .intro-card {
    min-width: calc(50% - 30px);
  }

  .news-item {
    width: calc(50% - 30px);
  }

  .partner-item {
    width: calc(33.333% - 30px);
  }
}

@media (max-width: 767px) {
  .banner {
    height: 350px;
  }

  .banner-content h2 {
    font-size: 22px;
  }

  .banner-content p {
    font-size: 14px;
  }

  .banner-arrow {
    display: none;
  }

  .service-item {
    width: calc(100% - 30px);
  }

  .intro-card {
    min-width: calc(100% - 30px);
  }

  .news-item {
    width: calc(100% - 30px);
  }

  .partner-item {
    width: calc(50% - 30px);
  }

  .data-item {
    min-width: 50%;
  }

  .contact-item {
    min-width: calc(50% - 30px);
  }
}

@media (max-width: 575px) {
  .data-item {
    min-width: 100%;
  }

  .contact-item {
    min-width: 100%;
  }

  .partner-item {
    width: calc(100% - 30px);
  }
}