/* CSS变量定义 */
:root {
  /* 品牌色定义 */
  --primary-color: #1677ff; /* 蓝色 - 主品牌色 */
  --secondary-color: #722ed1; /* 紫色 - 辅助品牌色 */
  --accent-color: #ff4d4f; /* 红色 - 强调色 */

  /* 文本颜色 */
  --text-primary: #333;
  --text-secondary: #666;
  --text-placeholder: #999;

  /* 背景颜色 */
  --bg-primary: #fff;
  --bg-secondary: #f5f7fa;

  /* 边框颜色 */
  --border-color: #d9d9d9;
  --border-light: #f0f0f0;
}

a {
  text-decoration: none !important;
}

/* 统一弹窗样式 */
.unified-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  backdrop-filter: blur(5px);
}

.unified-popup-overlay.show {
  display: flex;
}

.unified-popup-content {
  background: white;
  border-radius: 1rem;
  padding: 0;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.3);
  animation: popupSlideIn 0.3s ease-out;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateY(-2rem) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #eee;
}

.popup-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.popup-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: #999;
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  opacity: 0;
}

.popup-close:hover {
  background: #f5f5f5;
  color: #666;
}

.popup-body {
  padding: 2rem;
}

.popup-body .qrcode-content {
  text-align: center;
}

.popup-body .qrcode-image {
  margin-bottom: 1rem;
}

.popup-body .qrcode-img {
  width: 150px;
  height: 150px;
  border-radius: 0.5rem;
}

.popup-body .qrcode-text {
  font-size: 1.6rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.popup-body .qrcode-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* 基础样式 - PC优先设计 */
html {
  font-size: 62.5%; /* 1rem = 10px (基于16px的62.5%) */
  /* 与JavaScript配合，确保PC端显示精确 */
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  margin: 0;
  padding: 0;
  font-size: 1.4rem; /* 14px */
  line-height: 1.5;
  /* PC优先的默认样式 */
}

/* PC优先的响应式布局策略 */
/* 头部和尾部 - 自适应宽度，内部内容居中 */
.header,
.footer {
  width: 100%;
}

.header-inner,
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  box-sizing: border-box;
}

/* 中间内容区域 - 最大宽度1440px，居中显示 */
.container,
.main-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  box-sizing: border-box;
}

.page-container {
  background: linear-gradient(
    129.13deg,
    rgba(227, 242, 250, 1) 0%,
    rgba(230, 236, 252, 1) 19.44%,
    rgba(245, 251, 255, 1) 51.38%,
    rgba(252, 254, 255, 1) 83%,
    rgba(227, 242, 250, 1) 100%
  );
}

/* 移动端设备适配 (<768px) - 与JS配合实现rem适配 */
@media (max-width: 767px) {
  .header-inner,
  .footer-inner,
  .container,
  .main-content {
    padding: 0 1rem;
  }

  /* 移动端通用样式调整 - 增大字体 */
  body {
    font-size: 1.4rem; /* 由于HTML font-size已增大，这里可以适当减小 */
  }

  /* 移动端导航链接字体 */
  .nav-link {
    font-size: 1.4rem; /* 由于HTML font-size已增大，这里可以适当减小 */
  }

  /* 移动端按钮字体 */
  .header-btn {
    font-size: 1.4rem; /* 由于HTML font-size已增大，这里可以适当减小 */
  }
}

/* 公共头部样式 */
.header {
  background-color: #fff;
  /* box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); */
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.3s ease;
  height: 7.8rem;
  /* border-bottom: 1px solid #f0f0f0; */
}
.header.scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 导航栏布局 */
.navbar {
  display: flex;
  /* align-items: center; */
  padding: 1rem 0;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
}

/* Logo样式 */
.navbar-brand {
  display: flex;
  align-items: center;
}
.logo-link {
  color: inherit;
}

.logo-icon {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 6.4rem;
  width: auto;
}

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

.logo-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: #333;
  line-height: 1.2;
  font-style: italic;
}

.logo-subtitle {
  margin-top: 0.3rem;
  font-style: italic;
  color: #333;
}
.logo-domain {
  font-size: 1.2rem; /* 12px */
  color: #999;
  line-height: 1;
}

/* 导航菜单 */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

/* 确保PC端导航菜单正确显示 */
@media (min-width: 769px) {
  .navbar-nav {
    display: flex !important;
    position: static !important;
    background: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    flex-direction: row !important;
  }
}
.nav-link {
  color: #666;
  text-decoration: none !important; /* 确保没有下划线 */
  font-size: 1.4rem; /* 14px */
  font-weight: 400;
  position: relative;
  transition: all 0.3s ease;
  padding: 8px 0;
  border-bottom: none !important; /* 确保没有下边框 */
}
.nav-link:hover {
  color: var(--primary-color);
}
.nav-link.active {
  color: var(--primary-color);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 1px;
}

.header-btn {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 1.4rem; /* 14px */
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}
.login-btn {
  color: var(--primary-color);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
}
.login-btn:hover {
  background-color: #f0f8ff;
  border-color: var(--primary-color);
}
.trial-btn {
  color: #fff;
  background-color: var(--primary-color);
  border: 1px solid var(--primary-color);
}
.trial-btn:hover {
  background-color: #0958d9;
  border-color: #0958d9;
}

/* 辅助品牌色按钮 */
.btn-secondary {
  color: #fff;
  background-color: var(--secondary-color);
  border: 1px solid var(--secondary-color);
}
.btn-secondary:hover {
  background-color: #5c1eb9;
  border-color: #5c1eb9;
}

/* 强调色按钮 */
.btn-accent {
  color: #fff;
  background-color: var(--accent-color);
  border: 1px solid var(--accent-color);
}
.btn-accent:hover {
  background-color: #d32f2f;
  border-color: #d32f2f;
}

/* 移动端菜单按钮 */
.navbar-toggler {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.navbar-toggler-icon {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #333;
  position: relative;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: #333;
  transition: all 0.3s ease;
}
.navbar-toggler-icon::before {
  top: -6px;
}
.navbar-toggler-icon::after {
  top: 6px;
}

/* 公共尾部样式 */
.footer {
  background-color: #0a1428;
  color: #a0a9be;
  padding: 40px 0;
  border-top: 1px solid #1f2937;
  border-bottom: 1px solid #1f2937;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

/* Logo区域 */
.footer-logo-section {
  margin-bottom: 20px;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-icon {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 5rem;
  width: auto;
}

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

.footer-logo-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  font-style: italic;
}

/* 版权信息 */
.footer-copyright {
  text-align: center;
}
.copyright-text {
  font-size: 14px;
  color: #a0a9be;
  margin: 0 0 8px 0;
  line-height: 1.5;
}
.beian-info {
  font-size: 12px;
  color: #a0a9be;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.beian-icon {
  font-size: 10px;
}
.beian-info_img {
  height: 16px;
  width: auto;
}
.beian-info a {
  color: #a0a9be;
  text-decoration: none;
  transition: color 0.3s ease;
}
.beian-info a:hover {
  color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar {
    position: relative;
  }

  .navbar-toggler {
    display: block;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
  }

  .navbar-nav.show {
    display: flex;
  }

  .nav-link {
    padding: 12px 20px;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1.8rem; /* 由于HTML font-size已增大，这里可以适当减小 */
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  /* PC端按钮隐藏 */
  .desktop-actions {
    display: none;
  }

  /* 移动端按钮显示 */
  .mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 0 20px;
    margin-top: 20px;
  }

  .mobile-actions .header-btn {
    width: 100%;
    padding: 12px 20px;
  }

  .logo-title {
    font-size: 1.6rem; /* 16px */
  }

  .logo-domain {
    font-size: 1.1rem; /* 11px */
  }

  .footer-logo {
    flex-direction: column;
    gap: 8px;
  }

  .footer-logo-text {
    font-size: 18px;
  }

  .copyright-text {
    font-size: 12px;
  }

  .beian-info {
    font-size: 11px;
  }
}