/* ===== 全局样式重置与基础设置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  color: #333;
  line-height: 1.6;
  font-size: 16px;
  background-color: #fff;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ===== 容器样式 ===== */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ===== 按钮通用样式 ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

/* 主色调：黄色系（#FCC302 主黄，#F5A623 深黄，#FFF3CD 浅黄） */
.btn-primary {
  background-color: #FCC302;
  color: #333;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #F5A623;
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  color: #fff;
  border: 2px solid #FCC302;
}

.btn-secondary:hover {
  background-color: rgba(252, 195, 2, 0.2);
  color: #FCC302;
}

.btn-outline {
  background-color: transparent;
  color: #FCC302;
  border: 2px solid #FCC302;
}

.btn-outline:hover {
  background-color: #FCC302;
  color: #333;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ===== 板块标题样式 ===== */
.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  color: #FCC302;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #FCC302;
  margin: 12px auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  margin-bottom: 48px;
  font-size: 18px;
  color: #666;
}

/* ===== 导航栏样式 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 2px 15px rgba(252, 195, 2, 0.15);
  z-index: 999;
  padding: 16px 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  color: #FCC302;
  letter-spacing: 1px;
}

/* 图片logo样式 */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  height: 60px;  /* 根据需要调整logo高度 */
  width: auto;   
  object-fit: contain;
}



@media (max-width: 768px) {
  .logo-img {
    height: 32px;
  }

  .logo {
    gap: 8px;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-weight: 500;
  color: #333;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: #FCC302;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #FCC302;
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

.mini-program .mini-btn {
  background-color: #FCC302;
  color: #333;
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.mini-program .mini-btn:hover {
  background-color: #F5A623;
  color: #fff;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #FCC302;
}

/* ===== 导航栏下拉菜单 - 适配黄色系主题 ===== */
.nav-item {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 8px 0;
  font-weight: 500;
  color: #333;
  transition: all 0.3s ease;
}

.dropdown-toggle i {
  font-size: 12px;
  transition: transform 0.3s ease;
  color: #FCC302;
}

.nav-item.dropdown:hover .dropdown-toggle i {
  transform: rotate(180deg);
}

.nav-item.dropdown:hover .dropdown-toggle {
  color: #FCC302;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 15px);
  left: 0;
  background: white;
  box-shadow: 0 10px 30px rgba(252, 195, 2, 0.15);
  border-radius: 16px;
  padding: 16px 0;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(252, 195, 2, 0.1);
  background: rgba(255, 255, 255, 0.98);
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 24px;
  width: 16px;
  height: 16px;
  background: white;
  transform: rotate(45deg);
  border-left: 1px solid rgba(252, 195, 2, 0.1);
  border-top: 1px solid rgba(252, 195, 2, 0.1);
  border-radius: 4px 0 0 0;
}

.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: #333;
  font-size: 15px;
  font-weight: 400;
  transition: all 0.25s ease;
  white-space: nowrap;
  border-left: 3px solid transparent;
}

.dropdown-menu a i {
  width: 20px;
  color: #FCC302;
  font-size: 16px;
  transition: all 0.25s ease;
  text-align: center;
}

.dropdown-menu a:hover {
  background: linear-gradient(90deg, #fff9e6 0%, #ffffff 100%);
  color: #FCC302;
  border-left-color: #FCC302;
  padding-left: 28px;
}

.dropdown-menu a:hover i {
  color: #F5A623;
  transform: scale(1.1);
}

.dropdown-menu li:not(:last-child) {
  border-bottom: 1px solid rgba(252, 195, 2, 0.05);
}

/* ===== 主视觉横幅样式 ===== */
.banner {
  height: 100vh;
  background: linear-gradient(135deg, #333 0%, #555 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-top: 80px;
  width: 100%;
  overflow: hidden;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
  margin: 0 auto;
  width: 100%;
}

.main-title {
  font-family: 'Ma Shan Zheng', 'Noto Sans SC', cursive;
  font-size: 72px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
  color: #FCC302;
  letter-spacing: 2px;
}

.subtitle {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-size: 32px;
  margin-bottom: 32px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 1px;
}

.slogan {
  font-family: 'KaiTi', 'Noto Sans SC', serif;
  font-size: 24px;
  margin-bottom: 64px;
  font-style: italic;
  color: #eee;
  letter-spacing: 1px;
}

.banner-buttons {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ===== 游戏展示区样式 ===== */
.games-section {
  padding: 100px 0;
  background-color: #fff;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
  justify-content: center;
}

.game-card {
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(252, 195, 2, 0.1);
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(252, 195, 2, 0.15);
  display: flex;
  flex-direction: column;
  margin: 0 auto;
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(252, 195, 2, 0.15);
  border-color: rgba(252, 195, 2, 0.3);
}

.game-tag {
  background: linear-gradient(135deg, #FCC302 0%, #F5A623 100%);
  color: #333;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  display: inline-block;
  align-self: flex-start;
  border-radius: 0 0 30px 0;
  box-shadow: 0 4px 12px rgba(252, 195, 2, 0.2);
  font-family: 'Noto Serif SC', serif;
}

.game-content {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.game-content h3 {
  font-family: 'Ma Shan Zheng', 'Noto Sans SC', cursive;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #333;
  position: relative;
  display: inline-block;
  letter-spacing: 1px;
}

.game-content h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, #FCC302, #F5A623);
  border-radius: 2px;
}

.game-intro {
  font-family: 'KaiTi', 'Noto Sans SC', serif;
  font-size: 18px;
  color: #666;
  font-style: italic;
  margin: 20px 0 16px;
  padding: 16px;
  background: #fff9e6;
  border-radius: 12px;
  border-left: 4px solid #FCC302;
  line-height: 1.8;
}

.game-detail {
  background: #fff9e6;
  padding: 24px;
  border-radius: 16px;
  margin: 8px 0 0;
  border: 1px solid rgba(252, 195, 2, 0.1);
}

.game-detail h4 {
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  color: #F5A623;
  font-family: 'Noto Serif SC', serif;
  display: flex;
  align-items: center;
  gap: 8px;
}

.game-detail h4::before {
  content: '🎯';
  font-size: 20px;
}

.game-detail p {
  font-size: 16px;
  color: #555;
  line-height: 1.8;
  margin: 0;
}

/* 游戏卡片按钮组 */
.game-buttons {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px solid rgba(252, 195, 2, 0.15);
  flex-wrap: wrap;
}

.btn-game {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: linear-gradient(135deg, #FCC302 0%, #F5A623 100%);
  color: #333;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 6px 16px rgba(252, 195, 2, 0.25);
  border: none;
  letter-spacing: 0.5px;
}

.btn-game:hover {
  background: linear-gradient(135deg, #F5A623 0%, #FCC302 100%);
  color: #333;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(252, 195, 2, 0.35);
}

.btn-script {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #666;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 30px;
  background: transparent;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  letter-spacing: 0.5px;
}

.btn-script i {
  font-size: 16px;
  color: #FCC302;
  transition: all 0.3s ease;
}

.btn-script:hover {
  color: #F5A623;
  background: rgba(252, 195, 2, 0.05);
  border-color: rgba(252, 195, 2, 0.3);
  transform: translateY(-2px);
}

.btn-script:hover i {
  color: #F5A623;
  transform: scale(1.1) rotate(5deg);
}

.btn-script:active {
  transform: scale(0.95);
}

/* 占位卡片 */
.game-card.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  border: 2px dashed rgba(252, 195, 2, 0.3);
  background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.placeholder-content {
  text-align: center;
}

.placeholder-content i {
  font-size: 60px;
  margin-bottom: 24px;
  color: #FCC302;
  opacity: 0.8;
}

.placeholder-content p {
  font-size: 18px;
  color: #666;
  font-family: 'Noto Serif SC', serif;
}

.view-all {
  text-align: center;
  margin-top: 20px;
}

.view-all-link {
  color: #FCC302;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  transition: all 0.3s ease;
  font-family: 'Noto Serif SC', serif;
}

.view-all-link:hover {
  text-decoration: underline;
  color: #F5A623;
  transform: translateX(5px);
}

/* ===== 公司简介区样式 ===== */
.about-section {
  padding: 80px 0;
  background: linear-gradient(to bottom, #fff, #fff9e6);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.company-info {
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(252, 195, 2, 0.08);
}

.company-desc {
  font-size: 18px;
  margin-bottom: 36px;
  line-height: 1.8;
  color: #555;
}

.mission-section,
.tech-section,
.recognition-section {
  margin-bottom: 36px;
}

.about-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FCC302;
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-content h3::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 22px;
  background-color: #FCC302;
  border-radius: 4px;
}

.tech-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.tech-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background-color: #fff9e6;
  border-radius: 8px;
  border-left: 4px solid #FCC302;
  transition: all 0.3s ease;
}

.tech-list li:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 15px rgba(252, 195, 2, 0.1);
}

.tech-list i {
  color: #FCC302;
  font-size: 22px;
  margin-top: 4px;
}

.coming-soon {
  color: #999;
  font-style: italic;
  padding: 15px;
  background-color: #fff9e6;
  border-radius: 8px;
  display: inline-block;
}

.learn-more {
  margin-top: 24px;
}

/* ===== 联系方式区样式 ===== */
.contact-section {
  padding: 80px 0;
  background-color: #fff;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-category {
  background-color: #fff9e6;
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(252, 195, 2, 0.05);
  border-top: 4px solid #FCC302;
  transition: all 0.3s ease;
}

.contact-category:hover {
  box-shadow: 0 8px 25px rgba(252, 195, 2, 0.1);
}

.contact-category h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FCC302;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-category ul {
  margin-bottom: 20px;
}

.contact-category li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 24px;
  color: #555;
}

.contact-category li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: #FCC302;
  font-weight: 700;
  font-size: 12px;
}

.email {
  color: #666;
  font-weight: 500;
}

.placeholder-email {
  font-style: italic;
  color: #999;
}

.address-section {
  background-color: #fff9e6;
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(252, 195, 2, 0.05);
  border-top: 4px solid #FCC302;
}

.address-section h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FCC302;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-form {
  background-color: #fff;
  padding: 36px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(252, 195, 2, 0.1);
  border: 1px solid #f8f0d7;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border: 2px solid #f8f0d7;
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #FCC302;
  box-shadow: 0 0 0 3px rgba(252, 195, 2, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* ===== 页脚样式 ===== */
.footer {
  background-color: #333;
  color: #fff;
  padding: 80px 0 40px;
  border-top: 8px solid #FCC302;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h3 {
  font-size: 26px;
  margin-bottom: 20px;
  color: #FCC302;
}

.footer-col h4 {
  font-size: 20px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
  color: #FCC302;
}

.footer-col h4::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: #FCC302;
  margin-top: 10px;
}

.footer-slogan {
  margin-bottom: 28px;
  color: #ddd;
  line-height: 1.7;
}

.social-title {
  margin-bottom: 20px;
  color: #ddd;
}


/* 二维码区域 */
.wechat-qrcode {
  margin-top: 20px;
  text-align: left;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(252, 195, 2, 0.2);
  max-width: 200px;
}

.qrcode-img {
  width: 160px;
  height: 160px;
  display: block;
  margin: 0 auto 12px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  border: 3px solid #fff;
}

.qrcode-img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(252, 195, 2, 0.3);
  border-color: #FCC302;
}

.qrcode-desc {
  font-size: 14px;
  color: #ddd;
  text-align: center;
  line-height: 1.6;
  letter-spacing: 0.5px;
  margin: 0;
  font-style: italic;
}

/* ===== 小程序二维码样式 ===== */
.qrcode-title {
  margin-bottom: 12px;
  color: #ddd;
}

.qrcode-placeholder {
  width: 140px;
  height: 140px;
  border: 2px dashed #FCC302;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #FCC302;
  border-radius: 8px;
}

.qrcode-placeholder i {
  font-size: 40px;
  margin-bottom: 10px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #ddd;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: #FCC302;
  transform: translateX(5px);
}

.office-hours {
  font-weight: 600;
  margin-bottom: 10px;
  color: #FCC302;
}

.office-note {
  color: #ddd;
  margin-bottom: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #ddd;
  font-size: 14px;
}

.icp-info {
  margin-top: 10px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 992px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

  .main-title {
    font-size: 42px;
  }

  .subtitle {
    font-size: 22px;
  }

  .tech-list {
    grid-template-columns: 1fr;
  }

  .games-grid {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #fff;
    flex-direction: column;
    padding: 24px;
    box-shadow: 0 8px 20px rgba(252, 195, 2, 0.15);
  }

  .navbar .container {
    position: relative;
  }

  .banner {
    height: 80vh;
    margin-top: 70px;
  }

  .main-title {
    font-size: 32px;
  }

  .subtitle {
    font-size: 18px;
  }

  .slogan {
    font-size: 18px;
    margin-bottom: 40px;
  }

  .banner-buttons {
    flex-direction: column;
    gap: 16px;
  }

  .section-title {
    font-size: 24px;
  }

  .games-section {
    padding: 60px 0;
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .game-content {
    padding: 24px;
  }

  .game-content h3 {
    font-size: 22px;
  }

  .game-tag {
    padding: 8px 20px;
    font-size: 14px;
  }

  .game-buttons {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .btn-game,
  .btn-script {
    width: 100%;
    justify-content: center;
  }

  /* 下拉菜单移动端样式 */
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-radius: 12px;
    margin-top: 12px;
    margin-left: 15px;
    background: #fff9e6;
    min-width: auto;
    border: 1px solid rgba(252, 195, 2, 0.2);
    display: none;
    padding: 12px 0;
  }

  .dropdown-menu.active {
    display: block;
  }

  .dropdown-menu::before {
    display: none;
  }

  .dropdown-toggle i {
    margin-left: auto;
  }

  .nav-item.dropdown {
    width: 100%;
  }

  .dropdown-toggle {
    justify-content: space-between;
    width: 100%;
    padding: 12px 0;
  }

  .company-info {
    padding: 20px;
  }

  .contact-container {
    gap: 32px;
  }

  .contact-form {
    padding: 20px;
  }

  .footer {
    padding: 48px 0 24px;
  }

  .footer-grid {
    gap: 32px;
  }

  /* 微信公众号移动端适配 */
  .wechat-qrcode {
    max-width: 100%;
    text-align: center;
    padding: 16px;
  }

  .qrcode-img {
    width: 140px;
    height: 140px;
  }

  .wechat-official {
    padding: 6px 16px;
  }

  .wechat-official i {
    font-size: 20px;
  }

  .wechat-official .social-label {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    width: 95%;
    padding: 0 10px;
  }

  .game-card {
    border-radius: 16px;
  }

  .game-content {
    padding: 20px;
  }

  .game-detail {
    padding: 16px;
  }

  .contact-category,
  .address-section {
    padding: 20px;
  }

  .footer-col h3 {
    font-size: 22px;
  }

  .footer-col h4 {
    font-size: 18px;
  }

  /* 微信公众号移动端适配 */
  .qrcode-img {
    width: 120px;
    height: 120px;
  }

  .qrcode-desc {
    font-size: 12px;
  }
}

/* ===== 动画效果 ===== */
@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-item.dropdown:hover .dropdown-menu {
  animation: dropdownFadeIn 0.3s ease;
}