* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #ffffff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #ffffff;
  color: #333;
  line-height: 1.6;
}

html,
body {
  padding: 0;
  margin: 0;
}
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 5px;
}

/* Header Styles */
.header-container {
  height: 60px;
  border: 1px solid #f5f5f5;
  box-shadow: 0 2px 12px 0 rgb(0 0 0 / 10%);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 999;
  user-select: none;
}

.header-box {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 16px;
}

.logo {
  height: 30px;
  width: auto;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 40px;
  flex: 1;
  justify-content: center;
}

.nav-item {
  font-size: 16px;
  cursor: pointer;
  transition: color 0.3s;
  text-decoration: none;
  color: #333;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-actions img {
  width: 20px;
  height: 20px;
}
.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #333;
}

.login-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  width: 99px;
  height: 52px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.pc-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.pc-toggle-btn img {
  width: 20px;
  height: 20px;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 60px;
  right: 0;
  width: 200px;
  background: white;
  border-bottom: 1px solid #f5f5f5;
  box-shadow: 0 2px 12px 0 rgb(0 0 0 / 10%);
  display: none;
  flex-direction: column;
  z-index: 998;
  border-radius: 10px;
  padding-left: 16px;
}

.mobile-menu.show {
  display: flex;
}

.mobile-nav-item {
  padding: 16px;
  cursor: pointer;
  text-decoration: none;
  color: #333;
}

.main {
  display: none;
}
/* Section Common Styles */
.section {
  margin-top: 30px;
  padding: 0 16px;
}

.section-title {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  color: #14192b;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: #888b94;
  width: 90%;
  margin: 0 auto 30px;
  text-align: center;
  line-height: 1.5;
}
/* Main Content */
.main-content {
  margin-top: 60px;
  padding: 20px 0;
}

/* Footer */
.footer {
  font-size: 12px;
  color: #999;
  display: none;
}

.footer2 {
  display: block;
}

.footer2 .footer-social {
  display: flex;
  justify-content: flex-end;
  padding-bottom: 16px;
  gap: 10px;
  border-bottom: 1px solid #e6e3e3;
  padding-right: 16px;
}

.footer2 .footer-social a {
  color: #666;
  font-size: 20px;
  text-decoration: none;
  display: none;
}

.footer2 .footer-bottom {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px;
  font-size: 12px;
  color: #888b94;
}

.footer2 .footer-powered .primary {
  color: var(--primary-color);
}

.footer2 .footer-powered a {
  text-decoration: none;
  color: inherit;
}

.w-h-20 {
  width: 16px;
  height: auto;
}
/* Desktop Responsive */
@media (min-width: 768px) {
  .main-content {
    margin-top: 80px;
    padding: 30px 0;
  }
  .header-container {
    height: 88px;
  }
  .mobile-menu-btn {
    display: none;
  }

  .nav-menu {
    display: flex;
  }
  .nav-item {
    font-size: 16px;
    color: #14192b;
  }
  .logo {
    height: 40px;
    width: auto;
  }
  .login-btn {
    display: flex;
  }

  .mobile-menu {
    display: none !important;
  }
  .footer2 {
    display: none;
  }
  .pc-toggle-btn {
    display: none;
  }
  .footer {
    display: flex;
    max-width: 1440px;
    padding: 40px 0px 20px;
    margin: 0 auto;
  }
  .section {
    padding: 0;
  }

  .section-title {
    font-size: 65px;
    font-weight: bold;
    color: #14192b;
  }

  .section-subtitle {
    font-size: 22px;
    color: #888b94;
    max-width: 740px;
  }

  .footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
  }

  .footer-social a {
    color: #666;
    font-size: 20px;
    text-decoration: none;
  }

  .footer-bottom {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #e6e3e3;
    padding: 16px 0;
  }
  .footer-bottom .footer-copyright {
    font-weight: 400;
    font-size: 15px;
    color: #888b94;
  }
  .footer-bottom .footer-powered {
    font-weight: 400;
    font-size: 15px;
    color: #888b94;
  }
  .footer-powered .primary {
    color: var(--primary-color);
  }
  .header-title {
    font-size: 24px;
    font-weight: bold;
  }
  .w-h-20 {
    width: 20px;
    height: auto;
  }
}