/* ============================================
   全站公共布局组件（页眉 / 页脚 / 浮动客服）
   由 servers.css 拆分而来 —— 请勿在页面级 CSS 中重复定义
   对应模板：inc/header.php、inc/footer.php
   ============================================ */

.top-bar {
  background: var(--primary);
  color: white;
  font-size: 13px;
  padding: 8px 0;
  position: relative;
  z-index: 1002;
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}
.top-bar-left i {
  font-size: 12px;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-bar-right a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}
.top-bar-right a:hover {
  color: white;
}
.top-bar-right .divider {
  color: rgba(255, 255, 255, 0.4);
}
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: transparent;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-medium);
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-bg);
}
.nav-link.active {
  color: var(--primary);
  background: none;
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: white;
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
  overflow-y: auto;
}
.mobile-nav.open {
  transform: translateX(0);
}
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: var(--text-dark);
}
.mobile-nav-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-medium);
  font-size: 16px;
}
.mobile-nav-close:hover {
  background: var(--bg-gray);
  color: var(--text-dark);
}
.mobile-nav-links {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-link {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-medium);
  border-radius: var(--radius);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
}
.mobile-nav-link.active {
  background: none;
  font-weight: 600;
}
.mobile-nav-contacts {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
}
.mobile-contact-btn:hover {
  background: var(--primary-dark);
}
.footer {
  background: #111827;
  color: var(--text-light);
  padding-top: 40px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  max-width: 360px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
}
.footer-logo span {
  font-size: 18px;
  font-weight: 700;
  color: white;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #9CA3AF;
  margin-bottom: 14px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  color: #9CA3AF;
  font-size: 18px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin-bottom: 12px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col li a {
  font-size: 14px;
  color: #9CA3AF;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col li a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-col li a i {
  font-size: 13px;
}
.footer-bottom {
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: #6B7280;
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  font-size: 13px;
  color: #6B7280;
  transition: var(--transition);
}
.footer-bottom-links a:hover {
  color: var(--primary);
}
.float-contact {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
}
.float-btn {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border: 2px solid var(--border);
  border-radius: 50%;
  font-size: 24px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.float-logo {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: contain;
}
.float-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-xl);
  color: white;
}
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .mobile-nav {
    display: block;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}
@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .navbar-inner {
    height: 64px;
  }
  .nav-actions .btn-outline {
    display: none;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .float-contact {
    right: 16px;
    bottom: 16px;
  }
  .float-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}
@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   浮动客服按钮：统一配色与排列
   （所有页面共用，保证子域名下表现一致）
   ============================================ */
.float-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-telegram {
  background: #0088cc;
  border-color: #0088cc;
  color: #fff;
}
.float-top {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}