/* 公共样式 - 全站通用 */

/* 容器 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* 头部导航 */
.header {
  width: 100%;
  padding: 30px 0;
  background-color: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.header.scrolled {
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo img {
  width: 128px;
  height: 32px;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-list a {
  font-weight: 500;
  font-size: 20px;
  color: #f4f4f4;
  line-height: 30px;
  padding: 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.header.scrolled .nav-list a {
  color: #ffffff;
}

.nav-list a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-list a.active {
  background-color: transparent;
}

.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0px;
  height: 3px;
  background: #132a87;
  border-radius: 2px;
}

.header.scrolled .nav-list a:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* 导航图标按钮组 */
.nav-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 25px;
}

.nav-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.3s ease;
  color: #ffffff;
  font-size: 13px;
}

.nav-icon-btn:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.nav-icon-btn img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.nav-icon-platform {
  padding: 6px 20px;
  background-color: #132a87;
  font-weight: 500;
}

.nav-icon-platform:hover {
  background-color: rgba(19, 42, 135, 1);
}

.nav-icon-lang {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-icon-lang img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1); /* 将图标变为白色 */
}

.nav-icon-lang .lang-link {
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.nav-icon-lang .lang-link:hover {
  color: #1a73e8;
  opacity: 0.8;
}

.nav-icon-lang .lang-link.active {
  color: #1a73e8;
  font-weight: 600;
}

.nav-icon-lang .lang-separator {
  color: #ffffff;
  font-size: 14px;
  margin: 0 2px;
}

/* 汉堡菜单按钮 */
.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #ffffff;
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* 主要内容区域 */
.main {
  margin-top: 0;
  min-height: calc(100vh - 200px);
}

/* 通用标题样式 */
.section-title {
  font-size: 36px;
  font-weight: 600;
  color: #333333;
  text-align: center;
  margin-bottom: 50px;
}

/* 页脚 */
.footer {
  background: #000;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  padding: 50px 0 25px;
  margin-top: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 35px;
}

.footer-left {
  flex: 1;
  max-width: 500px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  height: 35px;
}

.footer-company-info {
  width: 350px;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.social-link img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 50%;
}

.footer-right {
  flex: 1;
  display: flex;
  gap: 50px;
}

.footer-links-group {
  flex: 1;
}

.footer-links-title {
  font-weight: 500;
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-weight: 400;
  font-size: 16px;
  color: #95959c;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s ease;
}

.footer-copyright a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* 滚动动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* 导航搜索框 */
.nav-search {
  position: relative;
  margin-left: 30px;
}

.search-input {
  width: 220px;
  height: 32px;
  padding: 0 40px 0 15px;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid #d3d3d3;
  border-radius: 20px;
  color: #ffffff;
  font-size: 13px;
  transition: all 0.3s ease;
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-btn:hover {
  color: #ffffff;
}