/**
 * 与 Go 站 header.html / footer.html 内联样式对齐，覆盖 base.css 中较旧的 header/footer 片段。
 * 在 layout 中于 base.css 之后加载。
 */

/* —— Header（对应原站 header 内联 Modern header styling）—— */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background:
    radial-gradient(circle at top left, rgba(34, 197, 94, 0.18), transparent 22rem),
    linear-gradient(135deg, #0f172a, #1e293b 58%, #0f3b66);
  padding: 15px 0;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.22);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

header.site-header .container,
footer.site-footer > .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

footer.site-footer > .container {
  display: block;
  flex-wrap: unset;
}

header.site-header .brand {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: transform 0.3s ease;
}

header.site-header .brand:hover {
  transform: scale(1.02);
}

header.site-header .brand .logo {
  height: 40px;
  width: auto;
  margin-right: 12px;
  transition: transform 0.3s ease;
}

header.site-header nav ul {
  display: flex;
  gap: 5px;
  padding: 0;
  margin: 0;
  list-style: none;
}

header.site-header nav ul li {
  position: relative;
  margin: 0;
}

header.site-header nav ul li > a,
header.site-header nav ul li > span > a {
  padding: 10px 15px;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

header.site-header nav ul li > a:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

header.site-header nav ul li > a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: #fff;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

header.site-header nav ul li > a:hover::after {
  width: 70%;
}

/* Tools 下拉 */
header.site-header .tools-dropdown {
  position: relative;
}

header.site-header .tools-dropdown > a.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

header.site-header .tools-dropdown > a.dropdown-toggle img {
  margin-left: 0;
  width: 12px;
  height: 12px;
  transition: transform 0.3s ease;
}

header.site-header .tools-dropdown:hover > a.dropdown-toggle img,
header.site-header .tools-dropdown.active > a.dropdown-toggle img {
  transform: rotate(180deg);
}

header.site-header .tools-dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  z-index: 1000;
  display: none;
  min-width: 280px;
  padding: 6px;
}

header.site-header .tools-dropdown:hover .tools-dropdown-content,
header.site-header .tools-dropdown.active .tools-dropdown-content {
  display: block;
}

header.site-header .tools-dropdown-content a {
  color: #333;
  padding: 10px 14px;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s ease;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

header.site-header .tools-dropdown-content a:hover {
  background-color: #f1f1f1;
  color: #3498db;
}

header.site-header .tools-dropdown-content a::after {
  display: none;
}

/* 语言选择器 */
header.site-header .language-selector {
  position: relative;
}

header.site-header .language-name {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 4px;
  color: #fff;
  font-weight: 500;
  transition: background-color 0.3s ease;
  gap: 8px;
}

header.site-header .language-name:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

header.site-header .language-name img {
  margin-left: 0;
  width: 12px;
  height: 12px;
  transition: transform 0.3s ease;
}

header.site-header .lang-dropdown:hover .language-name img,
header.site-header .lang-dropdown.active .language-name img {
  transform: rotate(180deg);
}

header.site-header .lang-dropdown-content {
  position: absolute;
  right: 0;
  top: 100%;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  z-index: 1000;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  width: 300px;
  padding: 10px;
  gap: 5px;
}

header.site-header .lang-dropdown:hover .lang-dropdown-content,
header.site-header .lang-dropdown.active .lang-dropdown-content {
  display: grid;
}

header.site-header .lang-dropdown-content a {
  color: #333;
  padding: 8px 10px;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s ease;
  border-radius: 4px;
  text-align: center;
  display: block;
}

header.site-header .lang-dropdown-content a:hover {
  background-color: #f1f1f1;
  color: #3498db;
}

header.site-header .lang-dropdown-content a::after {
  display: none;
}

header.site-header .mobile-menu-toggle {
  display: none;
}

header.site-header .desktop-language-selector {
  display: flex;
  margin-left: 12px;
}

header.site-header .desktop-language-selector .language-name {
  padding: 8px 15px;
  font-size: 15px;
  border-radius: 6px;
}

header.site-header .desktop-language-selector .language-name:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

header.site-header .desktop-language-selector .language-name img {
  width: 10px;
  height: 10px;
  margin-left: 0;
}

header.site-header .desktop-language-selector .lang-dropdown-content {
  width: 320px;
  padding: 12px;
  gap: 8px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

header.site-header .desktop-language-selector .lang-dropdown-content a {
  padding: 10px 12px;
  font-size: 14.5px;
}

header.site-header .mobile-language-selector {
  display: none;
}

/* —— Footer（对应原站 footer.html 内联）—— */
footer.site-footer {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 40px 0 20px;
  text-align: left;
  box-shadow: none;
}

footer.site-footer .footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 20px;
}

footer.site-footer .footer-section {
  flex: 1;
  min-width: 200px;
  margin-bottom: 20px;
  padding-right: 20px;
}

footer.site-footer .footer-section h4 {
  color: #3498db;
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: 600;
}

footer.site-footer .footer-section p {
  line-height: 1.6;
  color: #bdc3c7;
}

footer.site-footer .footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer.site-footer .footer-section ul li {
  margin-bottom: 8px;
}

footer.site-footer .footer-section ul li a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

footer.site-footer .footer-section ul li a:hover {
  color: #3498db;
  text-decoration: underline;
}

footer.site-footer .footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(236, 240, 241, 0.1);
}

footer.site-footer .footer-bottom p {
  margin: 0;
  color: #bdc3c7;
}

@media (max-width: 768px) {
  footer.site-footer .footer-content {
    flex-direction: column;
  }

  footer.site-footer .footer-section {
    width: 100%;
    margin-bottom: 30px;
  }
}

/* —— 移动端 header：与 base.css 中 nav.active 规则协同 —— */
@media (max-width: 768px) {
  header.site-header .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1002;
  }

  header.site-header .mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background: #fff;
    border-radius: 10px;
    transition: all 0.3s linear;
    transform-origin: 1px;
  }

  header.site-header .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(2px, 0px);
  }

  header.site-header .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  header.site-header .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, 0px);
  }

  header.site-header .desktop-language-selector {
    display: none;
  }

  header.site-header .mobile-language-selector {
    display: block;
    margin-top: 15px;
    width: 100%;
  }

  header.site-header .brand {
    font-size: 20px;
  }

  header.site-header .brand .logo {
    height: 35px;
  }
}

@media (max-width: 480px) {
  header.site-header .brand {
    font-size: 18px;
  }

  header.site-header .brand .logo {
    height: 30px;
  }
}