/* 首页专属样式，公共变量、组件位于 assets/css/core.css */

/* 顶部工具栏 */
.utility-bar {
  background: var(--surface-2);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 1);
  font-size: 0.875rem;
  position: relative;
  z-index: 10006;
  isolation: isolate;
}

.utility-bar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.utility-actions {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.utility-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.utility-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-base);
}

.utility-link:hover {
  color: var(--text-primary);
}

.utility-link svg {
  opacity: 0.7;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.utility-link:hover svg {
  opacity: 1;
}

/* 顶部工具栏下拉菜单 */
.utility-bar .dropdown {
  position: relative;
  z-index: 10007;
}

.utility-bar .dropdown-toggle {
  position: relative;
}

.utility-bar .dropdown-toggle .dropdown-arrow {
  display: none;
  transition: opacity 0.3s ease;
}

.utility-bar .dropdown.show .dropdown-toggle .dropdown-arrow {
  display: block;
  opacity: 1;
}

.utility-bar .dropdown-menu {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 0.5rem;
  padding: 0.5rem 0;
  min-width: 140px;
  margin-top: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 10007 !important;
  right: 0 !important;
  left: auto !important;
  position: absolute !important;
}

.utility-bar .dropdown-item {
  color: var(--text-primary);
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--transition-base);
  text-decoration: none;
}

.utility-bar .dropdown-item:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.utility-bar .dropdown-item.active {
  background-color: transparent;
}

.utility-bar .dropdown-item.active .checkmark {
  display: block;
  opacity: 1;
}

.utility-bar .dropdown-item .checkmark {
  display: none;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-left: 0.5rem;
}

/* 导航栏占位符 - 置顶固定 */
#navbar-placeholder {
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
  width: 100%;
}

/* 主导航栏 - 基础样式在 core.css 中，这里只保留特定样式 */
.navbar {
  background: var(--surface-1);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-soft);
}

/* 顶部工具栏滚动隐藏 */
.utility-bar {
  background: var(--surface-2);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 1);
  font-size: 0.875rem;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform: translateY(0);
  opacity: 1;
  position: relative;
  z-index: 1001;
}

.utility-bar.hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* 桌面端：导航栏菜单始终显示 */
.navbar-collapse {
  display: flex !important;
  align-items: center;
  flex-grow: 1;
  justify-content: flex-end;
}

/* 平板和手机端：让Bootstrap的collapse功能正常工作 */
@media (max-width: 991.98px) {
  .navbar-collapse:not(.show):not(.collapsing) {
    display: none !important;
  }



  /* 移动端下拉菜单样式 */
  .nav-item.dropdown-hover .dropdown-menu-mega {
    position: static;
    opacity: 1;
    visibility: visible;
    display: none;
    transform: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-item.dropdown-hover.show .dropdown-menu-mega {
    display: block;
    animation: slideDown 0.3s ease forwards;
  }

  .nav-item.dropdown-hover .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-item.dropdown-hover .nav-link::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: 300;
    transition: transform 0.3s ease;
  }

  .nav-item.dropdown-hover.show .nav-link::after {
    transform: rotate(45deg);
  }

  .dropdown-menu-mega .container {
    padding: 0 1rem;
  }

  .dropdown-menu-mega .row {
    flex-direction: column;
    gap: 0;
  }

  .dropdown-menu-mega [class*="col-"] {
    margin-bottom: 1rem;
  }

  .dropdown-heading {
    color: rgba(255, 255, 255, 0.9);
    margin-top: 1rem;
  }

  .dropdown-item-link,
  .application-name,
  .education-name,
  .support-name {
    color: rgba(255, 255, 255, 0.7);
  }

  .dropdown-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  /* 隐藏不需要的元素 */
  .nav-actions {
    display: none;
    /* 在移动端菜单内部隐藏搜索等图标，假设它们在顶部栏已经存在 */
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1.5rem;
}

.nav-search {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-search:hover {
  color: var(--text-primary);
}

.nav-search svg {
  flex-shrink: 0;
}

/* 搜索弹窗 */
.search-overlay {
  position: fixed;
  left: 0;
  right: 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  overflow: hidden;
}

.search-overlay.active {
  display: flex;
  opacity: 1;
  pointer-events: none;
}

.search-overlay.active .search-container {
  pointer-events: auto;
}

.search-container {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0;
  padding-left: 0;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-right: 0;
}

.search-input {
  width: 460px;
  height: 30px;
  padding: 0 1rem 0 2.5rem;
  background: #ffffff;
  border: none;
  border-radius: 999px;
  font-size: 0.875rem;
  color: #000000;
  outline: none;
  font-family: "Space Grotesk", "Microsoft YaHei", sans-serif;
  box-sizing: border-box;
}

.search-input::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

.search-input-wrapper::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' fill='%23000' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
}

.search-close {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: opacity 0.2s ease;
  font-family: "Space Grotesk", "Microsoft YaHei", sans-serif;
  white-space: nowrap;
}

.search-close:hover {
  opacity: 0.8;
}

.search-close svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-logo-img {
  height: 60px;
  width: auto;
  display: block;
}

.brand-db {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary) !important;
}

.nav-item.dropdown-hover:hover .nav-link {
  color: var(--text-primary) !important;
  text-decoration: underline;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 下拉菜单样式 */
.dropdown-menu-mega {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  right: 0;
  width: 100%;
  background: #ffffff;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  padding: 2.5rem 0;
  margin-top: 0;
  border: none;
  border-radius: 0;
}

.dropdown-menu-mega .container {
  /* 使用与Bootstrap container相同的设置，确保与导航栏对齐 */
  width: 100%;
  margin: 0 auto;
  padding-left: 15px;
  padding-right: 15px;
  text-align: left;
  display: block;
}

/* 确保下拉菜单与导航栏对齐 - 使用与Bootstrap container相同的max-width */
@media (min-width: 576px) {
  .dropdown-menu-mega .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .dropdown-menu-mega .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .dropdown-menu-mega .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .dropdown-menu-mega .container {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .dropdown-menu-mega .container {
    max-width: 1320px;
  }
}

.dropdown-menu-mega .row {
  margin-left: 0;
  margin-right: 0;
  text-align: left;
  display: flex;
  flex-wrap: nowrap;
  gap: 2.5rem;
}

.dropdown-menu-mega [class*="col-"] {
  text-align: left;
  padding-left: 0;
  padding-right: 0;
  flex: 1;
}

.dropdown-menu-mega .mb-4,
.dropdown-menu-mega .mb-3 {
  text-align: left;
}

.dropdown-menu-mega .text-center {
  text-align: center !important;
}

.nav-item.dropdown-hover {
  position: static;
}

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

.dropdown-heading {
  font-size: 1rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 0.75rem;
}

.dropdown-divider {
  margin: 0.75rem 0 1rem;
  border: 0;
  border-top: 1px solid #e0e0e0;
  opacity: 1;
  width: 100%;
}

.dropdown-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.dropdown-item-link {
  display: block;
  color: #666;
  text-decoration: none;
  padding: 0.75rem 0;
  font-size: 0.95rem;
  font-weight: 400;
  transition: none;
  position: relative;
  border-bottom: 1px solid #e0e0e0;
}

/* 确保悬停时无任何变化 */
.dropdown-item-link:hover {
  color: #666;
}

/* 应用下拉菜单特殊样式 */
.application-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  cursor: pointer;
  transition: none;
}

/* 确保悬停时无任何变化 */
.application-item:hover {
  color: #666;
}

.application-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #000;
  border-radius: 2px;
}

.application-name {
  font-size: 0.95rem;
  color: #666;
  transition: none;
}

/* 确保悬停时无任何变化 */
.application-item:hover .application-name {
  color: #666;
}

/* 教育下拉菜单特殊样式 */
.education-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  cursor: pointer;
  transition: none;
}

/* 确保悬停时无任何变化 */
.education-item:hover {
  color: #666;
}

.education-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #000;
  border-radius: 2px;
}

.education-name {
  font-size: 0.95rem;
  color: #666;
  transition: none;
}

/* 确保悬停时无任何变化 */
.education-item:hover .education-name {
  color: #666;
}

/* 服务与支持下拉菜单特殊样式 */
.support-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  cursor: pointer;
  transition: none;
}

/* 确保悬停时无任何变化 */
.support-item:hover {
  color: #666;
}

.support-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #000;
  border-radius: 2px;
}

.support-name {
  font-size: 0.95rem;
  color: #666;
  transition: none;
}

/* 确保悬停时无任何变化 */
.support-item:hover .support-name {
  color: #666;
}

/* 服务与支持图标样式 */
.support-icon-1 {
  background: #000;
  position: relative;
  border-radius: 50% 50% 50% 0;
}

.support-icon-1::before {
  content: '?';
  position: absolute;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.support-icon-2 {
  background: #000;
  position: relative;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.support-icon-2::before {
  content: '';
  position: absolute;
  width: 50%;
  height: 50%;
  top: 15%;
  left: 25%;
  border: 1.5px solid #fff;
  border-radius: 50%;
  background: #000;
}

.support-icon-2::after {
  content: '';
  position: absolute;
  width: 20%;
  height: 20%;
  background: #fff;
  border-radius: 50%;
  bottom: 25%;
  left: 40%;
}

.support-icon-3 {
  background: #000;
  position: relative;
  border-radius: 50% 50% 50% 0;
}

.support-icon-3::before {
  content: '?';
  position: absolute;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  top: 30%;
  left: 35%;
}

.support-icon-3::after {
  content: '✓';
  position: absolute;
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  bottom: 25%;
  right: 30%;
}

.support-icon-4 {
  background: #000;
  position: relative;
}

.support-icon-4::before {
  content: '';
  position: absolute;
  width: 60%;
  height: 70%;
  top: 15%;
  left: 20%;
  border: 1.5px solid #fff;
  border-radius: 1px;
  background: #000;
}

.support-icon-4::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  border-top: 6px solid #fff;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

.support-icon-5 {
  background: #000;
  position: relative;
}

.support-icon-5::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 80%;
  top: 10%;
  left: 15%;
  border: 1.5px solid #fff;
  border-radius: 1px;
  background: #000;
}

.support-icon-5::after {
  content: '';
  position: absolute;
  width: 30%;
  height: 30%;
  top: 35%;
  left: 35%;
  border: 1px solid #fff;
  border-radius: 50%;
  background: #000;
}

/* 教育图标样式 */
.education-icon-1 {
  background: #000;
  position: relative;
}

.education-icon-1::before {
  content: '';
  position: absolute;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  border: 1px solid #fff;
  border-radius: 1px;
  background-image:
    repeating-linear-gradient(to right, transparent 0, transparent calc(33.33% - 1px), #fff calc(33.33% - 1px), #fff 33.33%),
    repeating-linear-gradient(to bottom, transparent 0, transparent calc(25% - 1px), #fff calc(25% - 1px), #fff 25%);
}

.education-icon-2 {
  background: #000;
  position: relative;
}

.education-icon-2::before {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  background: #000;
  top: 20%;
  left: 15%;
}

.education-icon-2::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  background: #000;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 8px 0 0 -1px #000, 8px 0 0 1.5px #fff;
}

.education-icon-3 {
  background: #000;
  position: relative;
}

.education-icon-3::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 50%;
  top: 10%;
  left: 15%;
  border: 1.5px solid #fff;
  border-radius: 1px;
  background: linear-gradient(to bottom,
      #fff 0%, #fff 15%,
      transparent 15%, transparent 30%,
      #fff 30%, #fff 45%,
      transparent 45%, transparent 60%,
      #fff 60%, #fff 75%,
      transparent 75%, transparent 90%,
      #fff 90%);
}

.education-icon-3::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  bottom: 25%;
  left: 15%;
  box-shadow: 8px 0 0 #fff, 16px 0 0 #fff, 24px 0 0 #fff, 32px 0 0 #fff;
}

.education-icon-4 {
  background: #000;
  position: relative;
}

.education-icon-4::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 60%;
  top: 20%;
  left: 15%;
  border: 1.5px solid #fff;
  border-radius: 1px;
  background: #000;
}

.education-icon-4::after {
  content: '';
  position: absolute;
  width: 20%;
  height: 20%;
  top: 40%;
  left: 40%;
  background: #fff;
  clip-path: polygon(30% 0%, 70% 0%, 100% 50%, 70% 100%, 30% 100%, 0% 50%);
}

.education-icon-5 {
  background: #000;
  position: relative;
}

.education-icon-5::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  top: 25%;
  left: 25%;
  box-shadow: 8px 0 0 #fff, 16px 0 0 #fff;
}

.education-icon-5::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.9);
}

.education-icon-6 {
  background: #000;
  position: relative;
}

.education-icon-6::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 60%;
  top: 20%;
  left: 15%;
  border: 1.5px solid #fff;
  border-radius: 1px;
  background: #000;
}

.education-icon-6::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  top: 38%;
  left: 42%;
  border-left: 7px solid #fff;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

/* 应用图标样式 */
.application-icon-1 {
  background: linear-gradient(135deg, #000 0%, #000 40%, #333 40%, #333 60%, #000 60%);
  position: relative;
}

.application-icon-1::before {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  top: 20%;
  left: 30%;
  box-shadow: 8px 0 0 #fff, 16px 0 0 #fff;
}

.application-icon-2 {
  background: #000;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  position: relative;
}

.application-icon-2::before {
  content: '';
  position: absolute;
  width: 60%;
  height: 60%;
  border: 2px solid #fff;
  border-radius: 50%;
  top: 20%;
  left: 20%;
}

.application-icon-3 {
  background: linear-gradient(to bottom, #000 0%, #000 30%, #333 30%, #333 70%, #000 70%);
  position: relative;
}

.application-icon-3::before {
  content: '';
  position: absolute;
  width: 50%;
  height: 20%;
  background: #fff;
  top: 10%;
  left: 25%;
}

.application-icon-4 {
  background: #000;
  position: relative;
}

.application-icon-4::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 50%;
  border: 2px solid #fff;
  border-radius: 2px;
  top: 25%;
  left: 15%;
}

.application-icon-5 {
  background: #000;
  position: relative;
}

.application-icon-5::before {
  content: '';
  position: absolute;
  width: 30%;
  height: 60%;
  background: #fff;
  border-radius: 2px;
  top: 20%;
  left: 35%;
}

.application-icon-5::after {
  content: '';
  position: absolute;
  width: 60%;
  height: 4px;
  background: #fff;
  border-radius: 2px;
  bottom: 15%;
  left: 20%;
}

.application-icon-6 {
  background: #000;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  position: relative;
}

.application-icon-6::before {
  content: '';
  position: absolute;
  width: 50%;
  height: 50%;
  background: #fff;
  border-radius: 50%;
  top: 25%;
  left: 25%;
}

.application-icon-7 {
  background: #000;
  border-radius: 2px;
  position: relative;
}

.application-icon-7::before {
  content: '';
  position: absolute;
  width: 60%;
  height: 40%;
  border: 2px solid #fff;
  border-radius: 2px;
  top: 30%;
  left: 20%;
}

.application-icon-8 {
  background: linear-gradient(135deg, #000 0%, #333 100%);
  position: relative;
}

.application-icon-8::before {
  content: '';
  position: absolute;
  width: 70%;
  height: 30%;
  background: #fff;
  border-radius: 2px;
  top: 35%;
  left: 15%;
}

.application-icon-9 {
  background: #000;
  position: relative;
}

.application-icon-9::before {
  content: '';
  position: absolute;
  width: 50%;
  height: 50%;
  background: #fff;
  border-radius: 2px;
  top: 25%;
  left: 25%;
}

.application-icon-10 {
  background: linear-gradient(to right, #000 0%, #000 30%, #333 30%, #333 70%, #000 70%);
  position: relative;
}

.application-icon-10::before {
  content: '';
  position: absolute;
  width: 40%;
  height: 40%;
  background: #fff;
  border-radius: 1px;
  top: 30%;
  left: 30%;
  box-shadow: 0 8px 0 #fff;
}

.application-icon-11 {
  background: #000;
  position: relative;
}

.application-icon-11::before {
  content: '';
  position: absolute;
  width: 50%;
  height: 30%;
  background: #fff;
  border-radius: 2px;
  top: 20%;
  left: 25%;
}

.application-icon-11::after {
  content: '';
  position: absolute;
  width: 50%;
  height: 30%;
  background: #fff;
  border-radius: 2px;
  bottom: 20%;
  left: 25%;
}

.application-icon-12 {
  background: #000;
  border-radius: 50%;
  position: relative;
}

.application-icon-12::before,
.application-icon-12::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.application-icon-12::before {
  box-shadow: -8px 0 0 #fff, 8px 0 0 #fff;
}

.application-icon-12::after {
  box-shadow: 0 -8px 0 #fff, 0 8px 0 #fff;
}

.btn-dropdown {
  background: #8763e5;
  color: #ffffff;
  padding: 0.875rem 2rem;
  border-radius: 1rem;
  text-decoration: none;
  font-weight: 500;
  display: inline-block;
  transition: all var(--transition-base);
  border: none;
}

.btn-dropdown:hover {
  background: #a381fa;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(138, 43, 226, 0.3);
}

.btn-dropdown-black {
  background: #000000;
  color: #ffffff;
}

.btn-dropdown-black:hover {
  background: #1a1a1a;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 产品下拉菜单特殊样式 */
.product-type-item,
.product-series-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
    transform var(--transition-base);
  text-align: left;
  justify-content: flex-start;
  border-bottom: 1px solid #e5e5e5;
  border-radius: 0;
}

.product-type-item:hover,
.product-series-item:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #000000;
  transform: translateX(4px);
}

.product-type-item:last-of-type,
.product-series-item:last-of-type {
  border-bottom: none;
}

.product-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: transparent;
  border-radius: 0;
  transition: none;
}

.product-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  transition: none;
}

.product-type-item:hover .product-icon {
  background: transparent;
}

.product-type-item:hover .product-icon svg {
  transform: none;
}

/* 产品类型图标现在直接在HTML中使用SVG，无需CSS背景图片 */

.product-type-name,
.series-name {
  font-size: 0.95rem;
  color: #666;
  transition: none;
}

.product-type-name-purple {
  color: #8763e5 !important;
}

/* 确保悬停时无任何变化 */
.product-type-item:hover .product-type-name:not(.product-type-name-purple),
.product-series-item:hover .series-name {
  color: #000000;
}

.product-type-item:hover .product-type-name-purple {
  color: #6c1ec7 !important;
}

.series-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #000;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.dropdown-footer {
  border-top: 1px solid #e0e0e0 !important;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.dropdown-footer-link {
  color: #666;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.95rem;
  transition: none;
}

.dropdown-footer-link span:first-child {
  color: #8763e5;
  font-weight: 600;
}

.dropdown-footer-link span:last-child {
  color: #8763e5;
}

/* 确保悬停时无任何变化 */
.dropdown-footer-link:hover {
  color: #666;
}

.dropdown-footer-link:hover span:first-child,
.dropdown-footer-link:hover span:last-child {
  color: #8763e5;
}

.dropdown-footer-text {
  color: #666;
  font-size: 0.95rem;
}

.dropdown-footer-link-purple {
  color: #8763e5;
  text-decoration: none;
  transition: none;
}

/* 确保悬停时无任何变化 */
.dropdown-footer-link-purple:hover {
  color: #8763e5;
  text-decoration: none;
}


/* Hero区域 */
.hero-section {
  position: relative;
  min-height: 60vh;
  padding: 4rem 0;
  /*background: linear-gradient(115deg, #070212 0%, #170a2a 45%, #f3f3f8 45%, #f3f3f8 100%);*/
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 45%;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
  pointer-events: none;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 3;
}

.hero-glow {
  position: absolute;
  right: -10%;
  top: -10%;
  width: 70%;
  height: 130%;
  background: radial-gradient(circle at 60% 40%, rgba(255, 106, 220, 0.35) 0%, rgba(129, 54, 255, 0.15) 45%, transparent 70%);
  z-index: 0;
  filter: blur(0.5px);
}

.hero-ring {
  position: absolute;
  width: 70%;
  height: 90%;
  right: -5%;
  top: 5%;
  border-radius: 50%;
  border: 18px solid rgba(190, 99, 255, 0.4);
  z-index: 1;
  transform: rotate(-6deg);
  box-shadow: 0 25px 60px rgba(15, 0, 40, 0.35);
}

.hero-ring::after {
  content: '';
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  opacity: 0.5;
}

.hero-speakers {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /*background-image: url('../images/12.jpg');*/
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 2;
  opacity: 0.95;
}

.hero-speakers::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, rgba(45, 27, 78, 0.8) 0%, rgba(45, 27, 78, 0.4) 30%, transparent 60%);
  z-index: 1;
}

.hero-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
  position: relative;
  z-index: 3;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  position: relative;
  z-index: 3;
  line-height: 1.5;
  font-weight: 400;
}

.btn-hero {
  background: #ffffff;
  border: none;
  color: #000000;
  padding: 0.75rem 2rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  position: relative;
  z-index: 3;
  display: inline-block;
  text-decoration: none;
}

.btn-hero:hover {
  background: #f0f0f0;
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 介绍文字部分 */
.intro-section {
  background: #ffffff;
  padding: 4rem 0;
  color: #333;
}

.intro-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.intro-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #000;
  margin: 0;
}

/* d&b Soundscape部分 */
.soundscape-section {
  position: relative;
  min-height: 80vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.soundscape-section .container {
  position: relative;
  z-index: 1;
  padding-bottom: 4rem;
  height: 100%;
}

.soundscape-section .row {
  height: 100%;
  align-items: flex-end;
}

.soundscape-image {
  position: absolute;
  inset: 0;
  /*background-image: url('../images/16.jpg');*/
  background-size: cover;
  background-position: center center;
  z-index: 0;
}

.soundscape-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.6) 100%);
}

.soundscape-content {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem 6rem 0;
  color: var(--text-primary);
  text-align: right;
  margin-left: auto;
  margin-top: auto;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.soundscape-header {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-bottom: 2rem;
  width: 100%;
}

.soundscape-brand {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 0;
  line-height: 1.1;
}

.soundscape-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 0;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.soundscape-text {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.8;
  color: #ffffff;
  margin-bottom: 2.5rem;
  max-width: 500px;
  text-align: right;
}

.soundscape-button-wrapper {
  width: 100%;
  display: flex;
  justify-content: flex-end;
}

.btn-soundscape {
  background: #8763e5;
  border: none;
  color: var(--text-primary);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: all var(--transition-base);
}

.btn-soundscape:hover {
  background: #a381fa;
  color: var(--text-primary);
}

/* 解决方案部分 */
.solutions-section {
  padding: 5rem 0;
  background: #ffffff;
}

.solutions-section .section-title {
  color: #0a0a0a;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
}

.solutions-container {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  justify-content: center;
}

.solution-card {
  position: relative;
  background: #0b0017;
  border-radius: var(--radius-md);
  overflow: hidden;
  width: calc((100% - 36px) / 4);
  height: 600px;
  cursor: pointer;
  transition: width 0.5s ease;
  flex-shrink: 0;
}

/* 当容器hover时，所有卡片缩小 */
.solutions-container:hover .solution-card {
  width: 180px;
}

/* 当容器hover时，被hover的卡片放大 */
.solutions-container:hover .solution-card:hover {
  width: 820px;
}

.solution-card+.solution-card {
  margin-left: -3px;
}

.solution-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
  filter: brightness(0.85);
}

.solution-card:hover .solution-image {
  transform: scale(1.05);
  filter: brightness(1);
}

/*.solution-1 {
  background-image: url('../images/10.jpeg');
  background-position: center;
}

.solution-2 {
  background-image: url('../images/9.jpeg');
  background-position: center;
}

.solution-3 {
  background-image: url('../images/11.jpg');
  background-position: center;
}

.solution-4 {
  background-image: url('../images/8.jpeg');
  background-position: center;
}*/

.solution-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(2, 0, 8, 0.85) 0%, rgba(5, 0, 20, 0.5) 45%, rgba(5, 0, 25, 0.35) 70%, rgba(0, 0, 0, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 2.5rem 2rem;
  color: var(--text-primary);
}

.solution-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  justify-content: flex-start;
}

.solution-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
  transition: font-size 0.3s ease;
}

.solution-card:hover .solution-title {
  font-size: 1.4rem;
}

.solution-description {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease;
}

/* 当卡片被hover时显示描述 */
.solution-card:hover .solution-description {
  opacity: 1;
  max-height: 300px;
  margin-top: 0.5rem;
}

.btn-solution {
  background: #8763e5;
  border: none;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  width: fit-content;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.solution-card:hover .btn-solution {
  opacity: 1;
  transform: translateY(0);
}

.btn-solution:hover {
  background: #a381fa;
  color: #ffffff;
}

.solution-arrow {
  position: absolute;
  top: 2rem;
  right: 2rem;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.solution-card:hover .solution-arrow {
  opacity: 1;
}

/* 专家部分 */
.experts-section {
  position: relative;
  min-height: 600px;
  overflow: hidden;
}

.experts-image {
  position: absolute;
  inset: 0;
  /*background-image: url('../images/7.jpeg');*/
  background-size: cover;
  background-position: center;
  filter: grayscale(100%) contrast(1.1);
  z-index: 0;
}

.experts-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
}

.experts-content {
  position: relative;
  z-index: 1;
  padding: 2rem 0 6rem 2rem;
  color: var(--text-primary);
  margin-left: auto;
  margin-top: auto;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.experts-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.experts-text {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.btn-experts {
  background: #8763e5;
  border: none;
  color: var(--text-primary);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: all var(--transition-base);
  display: inline-block;
  margin-left: auto;
}

.btn-experts:hover {
  background: #a381fa;
  color: var(--text-primary);
}

/* 最新动态部分 */
.news-section {
  padding: 5rem 0;
  background: #ffffff;
}

.news-heading {
  text-align: left;
}

.news-section .section-title {
  text-align: left;
  margin-left: 0;
  color: #0a0a0a;
}

.news-container {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  justify-content: space-between;
}

.news-card-large {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  width: 360px;
  height: 560px;
  cursor: pointer;
  transition: width 0.45s ease, transform 0.45s ease, box-shadow 0.45s ease;
  flex-shrink: 0;
  background: #070011;
  box-shadow: 0 25px 60px rgba(15, 0, 40, 0.18);
}

/* 当容器hover时，所有卡片缩小 */
.news-container:hover .news-card-large {
  width: 260px;
}

/* 当容器hover时，被hover的卡片放大 */
.news-container:hover .news-card-large:hover {
  width: 640px;
  transform: translateY(-12px);
  box-shadow: 0 35px 80px rgba(15, 0, 40, 0.3);
}

.news-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
  filter: brightness(0.85);
}

.news-card-large:hover .news-image {
  transform: scale(1.05);
  filter: brightness(1);
}

/*.news-1 {
  background-image: url('../images/15.jpg');
  background-size: cover;
  background-position: center;
}

.news-2 {
  background-image: url('../images/14.jpg');
  background-size: cover;
  background-position: center;
}

.news-3 {
  background-image: url('../images/13.jpg');
  background-size: cover;
  background-position: center;
}*/

.news-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 0, 26, 0.92) 0%, rgba(13, 0, 26, 0.55) 45%, rgba(13, 0, 26, 0.15) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 2.5rem 2rem;
  color: var(--text-primary);
}

.news-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex: 1;
  justify-content: flex-start;
}

.news-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
  position: relative;
  z-index: 3;
  transition: font-size 0.3s ease;
}

.news-card-large:hover .news-title {
  font-size: 1.4rem;
}

.news-card-large::after {
  content: '';
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 12px;
  height: 12px;
  border-right: 2px solid rgba(255, 255, 255, 0.85);
  border-bottom: 2px solid rgba(255, 255, 255, 0.85);
  transform: rotate(45deg);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0.9;
}

.news-card-large:hover::after {
  transform: rotate(45deg) translate(3px, -3px);
  opacity: 1;
}

.news-description {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease;
}

/* hover时显示描述 */
.news-card-large:hover .news-description {
  opacity: 1;
  max-height: 300px;
  margin-top: 0.5rem;
}

.btn-news {
  background: #8763e5;
  border: none;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  width: fit-content;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* hover时显示按钮 */
.news-card-large:hover .btn-news {
  opacity: 1;
  transform: translateY(0);
}

.btn-news:hover {
  background: #a381fa;
  color: #ffffff;
}

/* 新闻轮播部分 */
.news-carousel-section {
  padding: 4rem 0;
  background: #ffffff;
}

.news-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.news-carousel-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.news-carousel-container::-webkit-scrollbar {
  display: none;
}

.news-carousel-container {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.news-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 1.5rem;
  will-change: transform;
}

.news-carousel-track::-webkit-scrollbar {
  display: none;
}

.news-carousel-track {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.news-carousel-item {
  flex: 0 0 calc((100% - 3rem) / 3);
  min-width: 0;
  background: #1a1a1a;
  border-radius: 26px;
  overflow: hidden;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 20px 40px rgba(12, 0, 25, 0.15);
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
  flex-shrink: 0;
  box-sizing: border-box;
  height: 320px;
}

.news-carousel-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(12, 0, 25, 0.25);
}

.news-carousel-item2 {
  flex: 0 0 calc((100% - 3rem) / 3);
  min-width: 0;
  background: #1a1a1a;
  border-radius: 26px;
  overflow: hidden;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 20px 40px rgba(12, 0, 25, 0.15);
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
  flex-shrink: 0;
  box-sizing: border-box;
  /*height: 320px;*/
}

.news-carousel-item2:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(12, 0, 25, 0.25);
}

.news-carousel-image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-color: #1a1a1a;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.news-carousel-img-1 {
  background-image: url('../images/6.webp');
  filter: grayscale(100%);
}

.news-carousel-img-2 {
  background-image: url('../images/3.webp');
}

.news-carousel-img-3 {
  background-image: url('../images/2.webp');
}

.news-carousel-img-4 {
  background-image: url('../images/1.webp');
}

.news-carousel-img-5 {
  background-image: url('../images/12.jpg');
}

.news-carousel-img-6 {
  background-image: url('../images/10.jpeg');
}

.news-carousel-content {
  padding: 1.5rem 1.75rem 1.75rem;
  color: #ffffff;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(6, 0, 12, 0) 0%, rgba(6, 0, 12, 0.75) 70%, rgba(6, 0, 12, 0.95) 100%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  pointer-events: none;
}

.news-carousel-date {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 0.75rem 0;
  line-height: 1.4;
}

.news-carousel-text {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.carousel-arrow-left,
.carousel-arrow-right {
  position: absolute;
  background: #000000;
  border: none;
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  z-index: 10;
  box-shadow: 0 12px 25px rgba(12, 0, 25, 0.2);
  top: 50%;
  transform: translateY(-50%);
}

.carousel-arrow-left[style*="display: flex"],
.carousel-arrow-right[style*="display: flex"] {
  display: flex !important;
}

.carousel-arrow-left {
  background: #8248f6;
  left: -24px;
}

.carousel-arrow-right {
  background: #0b0616;
  right: -24px;
}

.carousel-arrow-left:hover,
.carousel-arrow-right:hover {
  transform: translate(-2px, -50%);
  background: #7a4cf6;
  box-shadow: 0 18px 30px rgba(122, 76, 246, 0.35);
}

.carousel-arrow-left.hidden,
.carousel-arrow-right.hidden {
  display: none;
}

.news-carousel-section .carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.news-carousel-section .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  padding: 0;
}

.news-carousel-section .dot.active {
  background: rgba(0, 0, 0, 0.8);
  width: 32px;
  height: 9px;
  border-radius: 6px;
}

.news-carousel-section .dot:hover {
  background: rgba(0, 0, 0, 0.5);
}

.news-article {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  transition: transform var(--transition-base);
  cursor: pointer;
}

.news-article:hover {
  transform: translateY(-5px);
}

.news-article-image {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.article-1 {
  background-image: url('../images/1.webp');
  background-position: center;
}

.article-2 {
  background-image: url('../images/2.webp');
  background-position: center;
}

.article-3 {
  background-image: url('../images/3.webp');
  background-position: center;
}

.news-article-text {
  padding: 1.5rem;
  color: var(--text-primary);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background var(--transition-base);
}

.dot.active {
  background: rgba(255, 255, 255, 0.8);
}

.carousel-arrow {
  background: #000000;
  border: none;
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}

.carousel-arrow:hover {
  background: #7a4cf6;
  box-shadow: 0 18px 30px rgba(122, 76, 246, 0.35);
}

/* QR码部分 */
.qr-section {
  padding: 5rem 0;
  background: #ffffff;
}

.qr-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  width: 100%;
}

.qr-carousel-container {
  flex: 1;
  overflow: hidden !important;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  isolation: isolate;
}

.qr-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 1.5rem;
  will-change: transform;
  position: relative;
}

.qr-carousel-container::before,
.qr-carousel-container::after {
  display: none;
}

.qr-carousel-track::before,
.qr-carousel-track::after {
  display: none;
}

.qr-card {
  flex: 0 0 calc((100% - 3rem) / 3);
  min-width: calc((100% - 3rem) / 3);
  text-align: center;
  background: transparent;
  border-radius: var(--radius-md);
  padding: 0;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.qr-card::before,
.qr-card::after {
  display: none;
}


.qr-code {
  width: 200px;
  height: 200px;
  background: #fff;
  margin: 0 auto 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 二维码背景图片 */
.qr-code-1,
.qr-code-3 {
  background-image: url('../images/4.webp');
}

.qr-code-2,
.qr-code-4 {
  background-image: url('../images/5.webp');
}

/* 原图直接展示，无需叠加图案 */
.qr-code::before,
.qr-code::after {
  display: none;
}

.qr-carousel-arrow {
  position: relative;
  background: #000000;
  border: none;
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  z-index: 10;
}

.qr-carousel-arrow:hover {
  background: #7a4cf6;
  transform: scale(1.1);
}

.qr-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.qr-carousel-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  padding: 0;
}

.qr-carousel-dots .dot.active {
  background: rgba(0, 0, 0, 0.9);
  width: 32px;
  height: 12px;
  border-radius: 6px;
}

.qr-carousel-dots .dot:hover {
  background: rgba(0, 0, 0, 0.6);
}

.btn-qr {
  background: #000;
  border: none;
  color: #ffffff;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  font-weight: 500;
  width: 100%;
  transition: all var(--transition-base);
  cursor: pointer;
  display: none;
}

.btn-qr.visible {
  display: block;
}

.btn-qr:hover {
  background: #333;
  color: #ffffff;
}

/* 社交媒体分享 */
.share-section {
  padding: 3rem 0;
  background: #ffffff;
  border-top: 1px solid #e5e5e5;
}

.share-section .section-title {
  color: #0a0a0a;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.75rem;
  transition: all var(--transition-base);
}

.social-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.social-icon:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  background: var(--surface-1);
  border-top: none;
  color: rgba(255, 255, 255, 0.7);
}

/* Footer 顶部三列布局 */
.site-footer .row.mb-5 {
  margin-bottom: 3rem !important;
}

.site-footer .col-md-4 {
  padding: 0 2rem;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #ffffff;
}

/* 社交媒体图标 */
.site-footer .social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.site-footer .social-icon:hover {
  background: rgba(255, 255, 255, 0.2);
}

.site-footer .social-icon svg {
  width: 18px;
  height: 18px;
  color: #ffffff;
}

/* Footer 社交媒体图片 */
.footer-social-image {
  margin-top: 1.5rem;
  margin-bottom: 0;
}

.footer-social-image img {
  max-width: 200px;
  height: auto;
  display: block;
}

/* Footer 中间区域 */
.footer-text {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.btn-footer-link {
  color: #6366f1;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
  display: inline-block;
}

.btn-footer-link:hover {
  color: #818cf8;
}

/* Footer 底部版权区域 */
.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin-top: 2.5rem !important;
  padding-top: 2rem !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.footer-copyright .d-flex {
  flex-wrap: wrap;
  gap: 1rem;
}

/* Footer 底部链接 */
.footer-links-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-inline li {
  margin-bottom: 0;
  display: flex;
  align-items: center;
}

.footer-links-inline li:not(:last-child)::after {
  content: "|";
  color: rgba(255, 255, 255, 0.3);
  margin: 0 0.75rem;
}

.footer-links-inline a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

.footer-links-inline a:hover {
  color: #ffffff;
}

.footer-copyright p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin: 0;
}


/* ============================================
   响应式设计 - 桌面优先 (Desktop First)
   参考: 
   ============================================ */

/* 默认样式（通常以桌面优先） */
/* 桌面端样式已在上面定义，这里只写响应式覆盖 */

/* ============================================
   平板设备 (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {

  /* Hero 区域 */
  .hero-section {
    min-height: 50vh;
  }

  .hero-speakers {
    width: 100%;
    height: 100%;
    opacity: 0.7;
  }

  .hero-glow {
    width: 50%;
  }

  .hero-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
  }

  /* Soundscape 和 Experts 内容 */
  .soundscape-content,
  .experts-content {
    padding: 2rem 1rem;
  }

  .soundscape-content {
    padding: 3rem 1.5rem 4rem 0;
    max-width: 450px;
  }

  /* 解决方案网格 */
  .solutions-container {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 新闻轮播 */
  .news-carousel-track {
    gap: 1rem;
  }

  .news-carousel-item {
    flex: 0 0 calc((100% - 1rem) / 2) !important;
    width: calc((100% - 1rem) / 2) !important;
  }
  .news-carousel-item2 {
    flex: 0 0 calc((100% - 1rem) / 2) !important;
    width: calc((100% - 1rem) / 2) !important;
  }
}

/* ============================================
   平板/手机设备 (max-width: 991.98px)
   ============================================ */
@media (max-width: 991.98px) {

  /* 隐藏顶部工具栏 */
  .utility-bar {
    display: none !important;
  }

  /* 移动端导航控制样式 */
  .mobile-search-btn {
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
  }

  .mobile-search-btn:hover {
    color: rgba(255, 255, 255, 0.8);
  }

  .mobile-lang-dropdown .dropdown-toggle {
    font-size: 0.9rem;
    background: transparent;
    border: none;
    color: #fff;
  }

  .mobile-lang-dropdown.show .dropdown-toggle {
    background: var(--surface-1);
  }

  .mobile-lang-dropdown .dropdown-menu {
    background: var(--surface-1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.25rem 0;
    min-width: 140px;
  }

  .mobile-lang-dropdown .dropdown-item {
    color: #f5f5f5;
  }

  .mobile-lang-dropdown .dropdown-item:hover,
  .mobile-lang-dropdown .dropdown-item:focus {
    background: rgba(255, 255, 255, 0.08);
  }

  /* 强制导航栏内容不换行，确保所有元素在同一行 */
  .navbar .container {
    flex-wrap: nowrap !important;
    align-items: center !important;
    padding-right: 1rem;
    /* 确保右侧有足够空间 */
  }

  /* 搜索覆盖层样式 - 确保在最顶层 */
  .search-overlay {
    position: fixed !important;
    z-index: 9999 !important;
    background: rgba(0, 0, 0, 0.95) !important;
  }

  .search-container {
    position: relative !important;
    z-index: 10000 !important;
  }

  .search-input {
    position: relative !important;
    z-index: 10001 !important;
  }

  /* 优化 Toggler 样式 - 去除边框，使其更简洁 */
  .navbar-toggler {
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
    margin-left: 0.5rem;
  }

  .navbar-toggler:focus {
    box-shadow: none !important;
  }

  /* 移动端菜单绝对定位 - 显示在导航栏下方 */
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #000;
    /* 纯黑背景，避免透明度问题 */
    padding: 1rem;
    z-index: 1000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 0 !important;
    /* 覆盖默认间距 */
  }

  /* 确保导航栏相对定位，以便菜单绝对定位 */
  .navbar {
    position: relative;
  }
}

/* ============================================
   手机设备 (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {

  /* 导航栏优化 - 确保导航栏始终置顶 */
  #navbar-placeholder {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    width: 100% !important;
    background: var(--surface-1) !important;
  }

  .navbar {
    padding: 0.75rem 0;
    position: relative;
    background: var(--surface-1) !important;
  }

  /* 确保导航栏在滚动时也保持可见 */
  .navbar-solid {
    background: rgba(3, 3, 4, 0.98) !important;
  }

  .navbar .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* 产品下拉菜单在手机端隐藏图标，保证文字对齐 */
  .dropdown-menu-mega .product-type-item {
    gap: 0.5rem !important;
    padding-left: 0 !important;
  }

  .dropdown-menu-mega .product-type-item .product-icon {
    display: none !important;
  }

  .dropdown-menu-mega .product-type-name {
    margin-left: 0 !important;
    color: #f5f5f5 !important;
  }

  .dropdown-menu-mega .series-name,
  .dropdown-menu-mega .dropdown-item-link {
    color: #f5f5f5 !important;
  }

  /* 缩窄手机端搜索框宽度 */
  .search-input {
    width: 200px !important;
  }

  /* 移除桌面端的 display: flex !important，让Bootstrap的collapse功能正常工作 */
  .navbar-collapse {
    display: none !important;
    /* 默认隐藏，Bootstrap的show类会覆盖 */
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
  }

  /* 当Bootstrap添加show类时显示 */
  .navbar-collapse.show,
  .navbar-collapse.collapsing {
    display: flex !important;
  }

  .navbar-nav {
    flex-direction: column;
    width: 100%;
  }

  .nav-item {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .nav-link {
    padding: 0.75rem 0;
    font-size: 1rem;
    cursor: pointer;
    user-select: none;
  }

  /* 手机端导航项展开指示器 */
  .nav-item.dropdown-hover .nav-link::after {
    content: '+';
    float: right;
    font-size: 1.2rem;
    font-weight: 300;
    transition: transform 0.3s ease;
  }

  .nav-item.dropdown-hover.active .nav-link::after,
  .nav-item.dropdown-hover.show .nav-link::after {
    content: '−';
    transform: rotate(0deg);
  }

  .dropdown-menu-mega {
    position: static !important;
    width: 100%;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: none;
    background: transparent;
    border: none;
    padding: 0;
    display: none !important;
    /* 默认隐藏下拉菜单 */
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, max-height 0.3s ease;
  }

  /* 手机端：点击导航项时显示下拉菜单 */
  .nav-item.dropdown-hover.active .dropdown-menu-mega,
  .nav-item.dropdown-hover.show .dropdown-menu-mega {
    display: block !important;
    opacity: 1;
    max-height: 5000px;
  }

  /* 确保导航链接可以点击 */
  .nav-item.dropdown-hover .nav-link {
    pointer-events: auto !important;
    cursor: pointer !important;
    user-select: none;
  }

  .dropdown-menu-mega .container {
    padding: 0;
  }

  .dropdown-menu-mega .row {
    flex-direction: column;
    gap: 1rem;
  }

  .dropdown-menu-mega [class*="col-"] {
    width: 100%;
    padding: 0;
  }

  /* Utility Bar 优化 */
  .utility-bar {
    padding: 0.4rem 0;
    background: var(--surface-2);
  }

  .utility-bar .container>div {
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
  }

  .utility-link {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.85);
  }

  .utility-pill {
    font-size: 0.7rem;
    padding: 0.1rem 0.6rem;
    border-color: rgba(255, 255, 255, 0.4);
  }

  /* Hero 区域 */
  .hero-section {
    min-height: 40vh;
    padding: 2rem 0;
    /*background: linear-gradient(115deg, #070212 0%, #170a2a 45%, #f3f3f8 45%, #f3f3f8 100%);*/
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 1rem;
    color: #ffffff;
  }

  .hero-subtitle {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .btn-hero {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    background: #ffffff;
    color: #0a0a0a;
  }

  .hero-speakers {
    /*display: none;*/
  }

  /* 介绍文字部分 */
  .intro-section {
    padding: 2rem 0;
    background: #ffffff;
  }

  .intro-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 1rem;
    color: #0a0a0a;
  }

  .intro-text {
    font-size: clamp(0.9rem, 3vw, 1rem);
    line-height: 1.7;
    color: #333333;
  }

  /* Soundscape 部分 */
  .soundscape-section {
    min-height: 60vh;
    background: #1a1a1a;
  }

  .soundscape-section .container {
    padding-bottom: 2rem;
  }

  .soundscape-content {
    padding: 2rem 1rem 3rem 1rem;
    max-width: 100%;
    text-align: center;
    align-items: center;
  }

  .soundscape-header {
    justify-content: center;
    margin-bottom: 1.5rem;
  }

  .soundscape-brand,
  .soundscape-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    color: #ffffff;
  }

  .soundscape-text {
    font-size: clamp(0.9rem, 3vw, 1rem);
    text-align: center;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .soundscape-button-wrapper {
    width: 100%;
    justify-content: center;
  }

  .btn-soundscape {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    background: #8763e5;
    color: #ffffff;
  }

  /* 解决方案部分 */
  .solutions-section {
    padding: 3rem 0;
    background: #ffffff;
  }

  .section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 2rem;
    color: #0a0a0a;
  }

  /* 解决方案部分 - 手机端垂直堆叠，折叠/展开效果 */
  .solutions-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
    justify-content: center !important;
  }

  .solution-card {
    width: 345px !important;
    max-width: 345px !important;
    height: 88px !important;
    margin: 0 auto !important;
    margin-left: auto !important;
    margin-right: auto !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    transition: height 0.4s ease, width 0.4s ease, max-width 0.4s ease !important;
    cursor: pointer !important;
    position: relative !important;
    display: block !important;
    -webkit-tap-highlight-color: transparent !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
  }

  /* 移除桌面端的margin-left负值在手机端的影响 */
  .solution-card+.solution-card {
    margin-left: auto !important;
  }

  /* 展开状态 */
  .solution-card.expanded {
    width: 345px !important;
    max-width: 345px !important;
    height: 339px !important;
  }

  /* 禁用hover效果在手机端 */
  .solutions-container:hover .solution-card:not(.expanded) {
    width: 345px !important;
    max-width: 345px !important;
  }

  .solutions-container:hover .solution-card.expanded {
    width: 345px !important;
    max-width: 345px !important;
  }

  .solution-image {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transition: transform 0.4s ease !important;
    background-size: cover !important;
    background-position: center !important;
  }

  .solution-card.expanded .solution-image {
    transform: scale(1.05) !important;
  }

  .solution-overlay {
    padding: 1.5rem !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    min-height: 88px !important;
    height: 100% !important;
    pointer-events: auto !important;
  }

  .solution-content {
    gap: 0.5rem !important;
    width: 100% !important;
  }

  .solution-title {
    font-size: 1.125rem !important;
    color: #ffffff !important;
    margin: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .solution-card.expanded .solution-title {
    white-space: normal !important;
  }

  /* 手机端描述文字默认隐藏，展开时显示 */
  .solution-description {
    opacity: 0 !important;
    max-height: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    font-size: 0.9rem !important;
    color: rgba(255, 255, 255, 0.9) !important;
    transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease !important;
  }

  .solution-card.expanded .solution-description {
    opacity: 1 !important;
    max-height: 200px !important;
    margin-top: 0.5rem !important;
  }

  /* 手机端隐藏按钮 */
  .btn-solution {
    /*display: none !important;*/
	margin-top:28px;
  }

  /* 手机端显示箭头，点击后旋转 */
  .solution-arrow {
    opacity: 1 !important;
    top: 1.5rem !important;
    right: 1.5rem !important;
    color: #8763e5 !important;
    width: 20px !important;
    height: 20px !important;
    transition: transform 0.4s ease !important;
    position: absolute !important;
  }

  .solution-card.expanded .solution-arrow {
    transform: rotate(180deg) !important;
  }

  /* 专家部分 - 移动端布局 */
  .experts-section {
    min-height: 330px;
    max-height: 330px;
    background: #000;
    position: relative;
    overflow: hidden;
  }

  .experts-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: grayscale(100%) contrast(1.1);
  }

  .experts-image::after {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  }

  .experts-section .row {
    min-height: 330px !important;
    max-height: 330px;
  }

  .experts-section .col-lg-6 {
    width: 100%;
    margin-left: 0;
    padding: 0;
    display: flex;
    align-items: flex-end;
  }

  .experts-content {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    margin: 0;
    max-width: 100%;
    align-items: flex-start;
    background: transparent;
  }

  .experts-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: #ffffff;
    text-align: left;
    width: 100%;
    line-height: 1.2;
  }

  .experts-text {
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
    width: 100%;
  }

  .btn-experts {
    margin-left: 0;
    align-self: flex-start;
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }

  /* 最新动态部分 */
  .news-section {
    padding: 3rem 0;
  }

  /* 新闻部分 - 手机端垂直堆叠，折叠/展开效果 */
  .news-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
    justify-content: center !important;
  }

  .news-card-large {
    width: 345px !important;
    max-width: 345px !important;
    height: 88px !important;
    margin: 0 auto !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    transition: height 0.4s ease, width 0.4s ease, max-width 0.4s ease !important;
    cursor: pointer !important;
    position: relative !important;
    display: block !important;
    -webkit-tap-highlight-color: transparent !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
  }

  /* 展开状态 */
  .news-card-large.expanded {
    width: 345px !important;
    max-width: 345px !important;
    height: 339px !important;
  }

  /* 禁用hover效果在手机端 */
  .news-container:hover .news-card-large:not(.expanded) {
    width: 345px !important;
    max-width: 345px !important;
  }

  .news-container:hover .news-card-large.expanded {
    width: 345px !important;
    max-width: 345px !important;
  }

  .news-image {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transition: transform 0.4s ease !important;
    background-size: cover !important;
    background-position: center !important;
  }

  .news-card-large.expanded .news-image {
    transform: scale(1.05) !important;
  }

  .news-overlay {
    min-height: 88px !important;
    height: 100% !important;
    padding: 1.5rem !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    pointer-events: auto !important;
  }

  .news-content {
    width: 100% !important;
  }

  .news-title {
    font-size: 1.125rem !important;
    /*color: #ffffff !important;*/
    margin: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .news-card-large.expanded .news-title {
    white-space: normal !important;
  }

  /* 手机端描述文字默认隐藏，展开时显示 */
  .news-description {
    opacity: 0 !important;
    max-height: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    font-size: 0.9rem !important;
    color: rgba(255, 255, 255, 0.9) !important;
    transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease !important;
  }

  .news-card-large.expanded .news-description {
    opacity: 1 !important;
    max-height: 200px !important;
    margin-top: 0.5rem !important;
  }

  /* 手机端隐藏按钮 */
  .btn-news {
    /*display: none !important;*/
	margin-top:20px;
  }

  /* 手机端显示箭头，点击后旋转 */
  .news-card-large::after {
    opacity: 1 !important;
    top: 1.5rem !important;
    right: 1.5rem !important;
    width: 20px !important;
    height: 20px !important;
    border-right: 3px solid #8763e5 !important;
    border-bottom: 3px solid #8763e5 !important;
    transform: rotate(45deg) !important;
    transition: transform 0.4s ease !important;
    z-index: 10 !important;
  }

  .news-card-large.expanded::after {
    transform: rotate(225deg) !important;
  }

  /* 禁用桌面端hover效果在手机端 */
  .news-card-large:hover::after {
    transform: rotate(45deg) !important;
  }

  .news-card-large.expanded:hover::after {
    transform: rotate(225deg) !important;
  }

  /* 新闻轮播部分 */
  .news-carousel-section {
    padding: 3rem 0;
    background: #ffffff;
  }

  .news-carousel-wrapper {
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .news-carousel-track {
    gap: 1rem;
  }

  .news-carousel-item {
    flex: 0 0 calc(100% - 0rem) !important;
    width: calc(100% - 0rem) !important;
    max-width: 100% !important;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  .news-carousel-item2 {
    flex: 0 0 calc(100% - 0rem) !important;
    width: calc(100% - 0rem) !important;
    max-width: 100% !important;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .news-carousel-image {
    height: 200px;
  }

  .news-carousel-content {
    padding: 1.25rem 1.5rem 1.5rem;
    background: #ffffff;
  }

  .news-carousel-date {
    font-size: 0.8rem;
    color: #666666;
  }

  .news-carousel-text {
    font-size: 0.9rem;
    color: #333333;
  }

  .carousel-arrow {
    width: 40px;
    height: 40px;
  }

  .carousel-arrow svg {
    width: 18px;
    height: 18px;
  }

  /* QR码部分 */
  .qr-section {
    padding: 3rem 0;
    background: #ffffff;
  }

  .qr-carousel-wrapper {
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .qr-carousel-container {
    padding: 1.5rem;
    background: #ffffff;
    overflow: hidden !important;
  }

  .qr-carousel-track {
    gap: 0 !important;
  }

  /* 手机端二维码卡片 - 一次显示一个 */
  .qr-card {
    flex: 0 0 100% !important;
    min-width: 100% !important;
    width: 100% !important;
    background: #ffffff;
  }

  .qr-carousel-arrow {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.8) !important;
    pointer-events: auto !important;
    z-index: 100 !important;
    cursor: pointer !important;
    position: relative !important;
  }

  /* 社交媒体分享 */
  .share-section {
    padding: 2rem 0;
    background: #ffffff;
  }

  .share-section .section-title {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    margin-bottom: 1.5rem;
    color: #0a0a0a;
  }

  .social-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.05);
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
    color: #333333;
  }
  .series-icon{ background:#666;}
  .product-hero .hero-wrap{ display:none !important;}
}

/* 小屏手机额外优化 (最大 576px) */
@media (max-width: 576px) {
  .utility-link {
    font-size: 0.65rem;
  }

  .hero-section {
    min-height: 35vh;
  }

  .intro-section {
    padding: 1.5rem 0;
  }

  .soundscape-section {
    min-height: 50vh;
  }

  .solutions-container {
    gap: 1rem;
  }

  .news-carousel-section {
    padding: 2rem 0;
  }

  .qr-section {
    padding: 2rem 0;
  }
}

/* 手机横屏时也使用移动端布局 */
@media (max-width: 932px) and (max-height: 430px) and (orientation: landscape) {

  /* 应用移动端的新闻布局 */
  .news-section {
    padding: 3rem 0;
  }

  .news-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
    justify-content: center !important;
  }

  .news-card-large {
    width: 345px !important;
    max-width: 345px !important;
    height: 88px !important;
    margin: 0 auto !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    transition: height 0.4s ease, width 0.4s ease, max-width 0.4s ease !important;
    cursor: pointer !important;
    position: relative !important;
    display: block !important;
  }

  .news-card-large.expanded {
    width: 345px !important;
    max-width: 345px !important;
    height: 339px !important;
  }

  .news-container:hover .news-card-large:not(.expanded) {
    width: 345px !important;
    max-width: 345px !important;
  }

  .news-container:hover .news-card-large.expanded {
    width: 345px !important;
    max-width: 345px !important;
  }

  .news-image {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transition: transform 0.4s ease !important;
    background-size: cover !important;
    background-position: center !important;
  }

  .news-card-large.expanded .news-image {
    transform: scale(1.05) !important;
  }

  .news-overlay {
    min-height: 88px !important;
    height: 100% !important;
    padding: 1.5rem !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
  }

  .news-content {
    width: 100% !important;
  }

  .news-title {
    font-size: 1.125rem !important;
    color: #ffffff !important;
    margin: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .news-card-large.expanded .news-title {
    white-space: normal !important;
    font-size: 1.25rem !important;
  }

  .news-description {
    opacity: 0 !important;
    max-height: 0 !important;
    overflow: hidden !important;
    transition: opacity 0.4s ease, max-height 0.4s ease !important;
    font-size: 1rem !important;
    line-height: 1.6 !important;
    color: rgba(255, 255, 255, 0.9) !important;
  }

  .news-card-large.expanded .news-description {
    opacity: 1 !important;
    max-height: 200px !important;
    margin-top: 1rem !important;
  }

  .btn-news {
    opacity: 0 !important;
    transform: translateY(10px) !important;
    transition: opacity 0.4s ease, transform 0.4s ease !important;
  }

  .news-card-large.expanded .btn-news {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }
}
.listpage {clear: both;text-align: center;}
.xiaocms-page { padding:14px 0 10px; margin-right: 10px;}
.xiaocms-page a { display:inline-block; height:32px; line-height:32px; background:#fff; border:1px solid #e3e3e3; text-align:center; color:#333; padding:0 10px;margin-left: 5px;}
.xiaocms-page a:hover { background:#f1f1f1; color:#000; text-decoration:none; }
.xiaocms-page span { display:inline-block; height:32px;padding:0 10px; line-height:32px; background:#333; border:1px solid #e3e3e3; color:#fff; text-align:center;margin-left: 5px; }

/*分页*/
.page-num:not(:disabled) {
	cursor: pointer;
}
.page-num, .page-link {
	position: relative;
	display: block;
	padding: .5rem .75rem;
	margin-left: -1px;
	line-height: 1.25;
	color: #666;
	background-color: #fff;
	border: 1px solid #dee2e6;
}
a.page-num:hover, .page-link:hover {
	text-decoration: none;
	color:#000;
}
.page-num-current {
	z-index: 1;
	color: #fff;
	background-color: #999;
	border-color: #999;
}
.page-num-current:hover {
	color: #000;
}