/**
 * Header 导航栏自包含样式
 * 随 header.html 组件一起加载，确保导航在所有页面正确显示
 */

/* === 导航容器 === */
.header.site-header,
.site-header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
}

.header-inner {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  position: relative;
}

/* === 顶栏方案搜索 === */
.header-search {
  position: relative;
  flex: 1 1 auto;
  max-width: 260px;
  min-width: 0;
}
.header-search__box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 0 12px;
  height: 36px;
  cursor: text;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.header-search.is-open .header-search__box,
.header-search__box:focus-within {
  background: #fff;
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.12);
}
.header-search__icon {
  font-size: 13px;
  opacity: 0.55;
  flex-shrink: 0;
  line-height: 1;
}
.header-search__input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: #334155;
  min-width: 0;
  padding: 0;
}
.header-search__input::placeholder {
  color: #94a3b8;
}
.header-search__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  min-width: 280px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15,23,42,0.14);
  z-index: 1002;
  overflow: hidden;
}
.header-search__hint {
  font-size: 10px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.4px;
  padding: 10px 12px 4px;
}
.header-search__results {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  max-height: 320px;
  overflow-y: auto;
}
.header-search__results .nav-catalog-hit {
  border-radius: 8px;
}
.header-search__empty {
  font-size: 12px;
  color: #94a3b8;
  text-align: center;
  padding: 14px 12px 6px;
  margin: 0;
}
.header-search__more {
  display: block;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #16a34a;
  text-decoration: none;
  text-align: center;
  border-top: 1px solid #f1f5f9;
  background: #f8fafc;
}
.header-search__more:hover {
  background: #f0fdf4;
  text-decoration: none;
}

/* === Logo === */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-logo img {
  height: 40px;
}

/* === 桌面端导航 === */
.header-nav {
  display: block;
  flex-shrink: 0;
}
.header-nav > ul {
  display: flex !important;
  list-style: none !important;
  gap: 14px;
  margin: 0;
  padding: 0;
  align-items: center;
  flex-wrap: nowrap;
}
.header-nav > ul > li {
  position: relative;
  white-space: nowrap;
  list-style: none;
}
.header-nav > ul > li > a {
  color: #333;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 0;
  display: inline-block;
  transition: color .2s;
  min-height: auto;
  min-width: auto;
}
.header-nav > ul > li > a:hover {
  color: #27ae60;
}

/* === CTA 联系我们胶囊按钮（商务精致风）=== */
.header-nav > ul > li > a.nav-cta-btn {
  color: #fff !important;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  padding: 8px 22px !important;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 8px rgba(34,197,94,0.28);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  margin-left: 6px;
}
.header-nav > ul > li > a.nav-cta-btn:hover {
  color: #fff !important;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  box-shadow: 0 4px 14px rgba(34,197,94,0.42);
  transform: translateY(-1px);
}

/* === 下拉菜单 === */
.header-nav .has-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  border-radius: 8px;
  padding: 12px 0;
  min-width: 180px;
  z-index: 1001;
  list-style: none;
}
.header-nav .has-dropdown:hover > .dropdown-menu {
  display: block;
}
.header-nav .dropdown-menu li {
  list-style: none;
}
.header-nav .dropdown-menu li a {
  display: block;
  padding: 8px 20px;
  font-size: 13px;
  color: #333;
  text-decoration: none;
  white-space: nowrap;
  min-height: auto;
  min-width: auto;
}
.header-nav .dropdown-menu li a:hover {
  background: #f5f5f5;
  color: #27ae60;
}

/* === 解决方案 Mega === */
.header-nav .has-dropdown.dropdown-large {
  position: static;
}
.header-nav .dropdown-large > .dropdown-menu.dropdown-mega {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  padding: 0;
  min-width: 0;
  width: min(920px, calc(100vw - 32px));
  max-width: calc(100vw - 32px);
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 10px;
}

.header-nav .dropdown-mega-grid--2 {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 0;
  padding: 10px 8px 6px;
}

.header-nav .dropdown-mega-grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 0;
  padding: 10px 8px 6px;
}

.header-nav .dropdown-mega .nav-more-link {
  display: inline-block;
  margin-top: 4px;
  padding: 3px 5px;
  font-size: 11px;
  font-weight: 600;
  color: #16a34a;
  text-decoration: none;
  border-radius: 4px;
}
.header-nav .dropdown-mega .nav-more-link:hover { background: #f0fdf4; }

.header-nav .dropdown-mega .dropdown-grid-col {
  display: block;
  flex: none !important;
  min-width: 0;
  max-width: 100%;
  padding: 0 10px;
  border-right: 1px solid #f0f0f0;
  overflow: hidden;
}
.header-nav .dropdown-mega .dropdown-grid-col:last-child {
  border-right: none;
}
.header-nav .dropdown-mega .dropdown-grid-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.header-nav .dropdown-mega .menu-group-title {
  font-size: 11px;
  font-weight: 700;
  color: #16a34a;
  letter-spacing: 0.4px;
  padding: 2px 0 6px;
  margin: 0 0 4px;
  border-bottom: 1px solid #eef2f7;
}
.header-nav .dropdown-mega .dropdown-grid-col li a {
  display: block;
  padding: 4px 6px;
  border-radius: 5px;
  font-size: 12px;
  line-height: 1.4;
  color: #334155;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  transition: background .15s, color .15s;
}
.header-nav .dropdown-mega .dropdown-grid-col li a:hover {
  background: #f0fdf4;
  color: #16a34a;
  padding-left: 8px;
}

.header-nav .dropdown-mega-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 8px 14px 10px;
  background: #f8fafc;
  border-top: 1px solid #eef2f7;
  border-radius: 0 0 12px 12px;
}
.header-nav .dropdown-mega-footer a {
  font-size: 12px;
  color: #475569;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}
.header-nav .dropdown-mega-footer a:hover {
  background: #ecfdf5;
  color: #16a34a;
}
.header-nav .dropdown-mega-footer__more {
  margin-left: auto;
  font-weight: 600;
  color: #16a34a !important;
}

/* === 解决方案可检索 Mega === */
.header-nav .dropdown-mega--catalog {
  width: min(920px, calc(100vw - 32px)) !important;
  max-width: calc(100vw - 32px) !important;
}
.header-nav .nav-catalog-grid,
.header-nav .nav-catalog-grid--4 {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 0;
  padding: 8px 6px 4px;
  width: 100%;
  box-sizing: border-box;
}
@media (max-width: 1100px) and (min-width: 769px) {
  .header-nav .nav-catalog-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}
.header-nav .nav-catalog-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid #eef2f7;
  background: #f8fafc;
}
.header-nav .nav-catalog-search__icon {
  font-size: 14px;
  opacity: 0.55;
  flex-shrink: 0;
}
.header-nav .nav-catalog-search__input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  background: #fff;
  min-width: 0;
}
.header-nav .nav-catalog-search__input:focus {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.12);
}
.header-nav .nav-catalog-results {
  padding: 8px 10px 4px;
  max-height: 280px;
  overflow-y: auto;
}
.header-nav .nav-catalog-results__label {
  font-size: 10px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.4px;
  padding: 0 4px 6px;
}
.header-nav .nav-catalog-results__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.header-nav .nav-catalog-hit {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}
.header-nav .nav-catalog-hit:hover {
  background: #f0fdf4;
  text-decoration: none;
}
.header-nav .nav-catalog-hit__icon {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}
.header-nav .nav-catalog-hit__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.header-nav .nav-catalog-hit__name {
  font-size: 13px;
  font-weight: 600;
  color: #1e293b;
}
.header-nav .nav-catalog-hit__desc {
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-nav .nav-catalog-results__empty {
  font-size: 12px;
  color: #94a3b8;
  text-align: center;
  padding: 12px 8px;
  margin: 0;
}

/* === 客户案例下拉（分组 + 移动端折叠）=== */
.header-nav .dropdown-cases {
  min-width: 220px;
  padding: 8px 0 !important;
  border-radius: 10px;
}
.header-nav .nav-fold {
  border-bottom: 1px solid #f1f5f9;
}
.header-nav .nav-fold:last-child {
  border-bottom: none;
}
.header-nav .nav-fold__trigger {
  display: none;
}
.header-nav .nav-fold__panel {
  list-style: none;
  margin: 0;
  padding: 0;
}
.header-nav .nav-fold__panel::before {
  content: attr(data-label);
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: #16a34a;
  letter-spacing: 0.4px;
  padding: 6px 16px 4px;
}
.header-nav .dropdown-cases .nav-fold:nth-child(1) .nav-fold__panel { padding-top: 4px; }
.header-nav .dropdown-cases .nav-fold:nth-child(1) .nav-fold__panel::before { content: '独立案例站 ↗'; }
.header-nav .dropdown-cases .nav-fold:nth-child(2) .nav-fold__panel::before { content: '站内宣传专题'; }
.header-nav .dropdown-cases .nav-fold:nth-child(3) .nav-fold__panel::before { content: '体验与工具'; }
.header-nav .nav-fold__panel .nav-more-link {
  display: block;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: #16a34a;
  text-decoration: none;
}
.header-nav .nav-fold__panel .nav-more-link:hover {
  background: #f0fdf4;
}
.header-nav .nav-ext::after {
  content: "↗";
  font-size: 9px;
  margin-left: 3px;
  opacity: 0.55;
  vertical-align: super;
}

.header-nav .header-nav__about a {
  font-size: 13px;
  color: #64748b;
}

@media (max-width: 960px) {
  .header-nav .header-nav__about {
    display: none;
  }
  .header-nav > ul {
    gap: 10px;
  }
  .header-search {
    max-width: 200px;
  }
  .header-nav > ul > li > a {
    font-size: 13px;
  }
}

/* 兼容旧 class 名（仅 .dropdown-grid 内生效，避免污染 nav-catalog-grid） */
.header-nav .dropdown-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  padding: 14px 18px;
}
.header-nav .dropdown-grid > .dropdown-grid-col {
  flex: 1 1 0;
  min-width: 0;
  padding: 0 14px;
  border-right: 1px solid #f0f0f0;
}
.header-nav .dropdown-grid > .dropdown-grid-col:last-child {
  border-right: none;
}
.header-nav .dropdown-grid > .dropdown-grid-col ul {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}
.header-nav .dropdown-grid > .dropdown-grid-col .menu-group-title {
  font-size: 11px;
  font-weight: 700;
  color: #16a34a;
  letter-spacing: 0.5px;
  padding: 4px 0 6px;
  margin: 4px 0 4px;
  border-bottom: 1px solid #eef2f7;
}
.header-nav .dropdown-grid > .dropdown-grid-col li a {
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 12px;
  color: #333;
}

/* === 移动端菜单按钮 === */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #333;
}

/* === 移动端响应式 === */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    line-height: 1;
    flex-shrink: 0;
  }
  .header-search {
    max-width: none;
    flex: 1 1 auto;
    order: 0;
  }
  .header-search__panel {
    min-width: 0;
    left: -8px;
    right: -8px;
  }
  .header-logo {
    flex-shrink: 0;
  }
  .header-logo img {
    height: 34px;
  }
  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 5px 14px rgba(0,0,0,0.12);
    padding: 8px 16px 20px;
    z-index: 999;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .header-nav.active {
    display: block !important;
  }
  .header-nav > ul {
    flex-direction: column !important;
    gap: 0 !important;
    align-items: stretch !important;
  }
  .header-nav > ul > li {
    white-space: normal;
    width: 100%;
  }
  .header-nav > ul > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 4px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 15px;
  }
  .header-nav > ul > li.has-dropdown > a::after {
    content: '\25BE';
    margin-left: 12px;
    font-size: 14px;
    color: #999;
    transition: transform 0.2s;
  }
  .header-nav > ul > li.has-dropdown.open > a::after {
    transform: rotate(180deg);
  }
  .header-nav .has-dropdown:hover > .dropdown-menu {
    display: none;
  }
  .header-nav .has-dropdown.open > .dropdown-menu {
    display: block !important;
  }
  .header-nav .has-dropdown .dropdown-menu {
    position: static;
    box-shadow: none;
    padding: 4px 0 8px 12px;
    min-width: auto;
    background: #fafbfc;
    border-radius: 6px;
    margin: 4px 0 8px;
    left: auto;
    right: auto;
    transform: none;
    max-width: none;
    width: auto;
    max-height: none;
    overflow: visible;
  }
  .header-nav .dropdown-mega-grid,
  .header-nav .dropdown-mega-grid--2,
  .header-nav .nav-catalog-grid {
    display: block !important;
    padding: 8px;
  }
  .header-nav .dropdown-mega .dropdown-grid-col {
    padding: 4px 0;
    border-right: none;
  }
  .header-nav .dropdown-mega-footer {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 8px;
    padding: 10px 12px;
  }
  .header-nav .dropdown-mega-footer__more {
    margin-left: auto;
    text-align: right;
  }

  /* 客户案例：三级折叠 */
  .header-nav .dropdown-cases {
    padding: 0 !important;
    background: #fafbfc;
  }
  .header-nav .nav-fold__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 14px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
    text-align: left;
  }
  .header-nav .nav-fold__trigger::after {
    content: '\25BE';
    font-size: 12px;
    color: #94a3b8;
    transition: transform 0.2s;
  }
  .header-nav .nav-fold.is-open .nav-fold__trigger::after {
    transform: rotate(180deg);
  }
  .header-nav .nav-fold__panel {
    display: none;
    padding: 0 0 6px;
  }
  .header-nav .nav-fold.is-open .nav-fold__panel {
    display: block;
  }
  .header-nav .nav-fold__panel::before {
    display: none;
  }
  .header-nav .nav-fold__panel li a {
    padding: 10px 14px 10px 20px;
    font-size: 14px;
  }
  .header-nav .header-nav__about {
    display: none;
  }

  .header-nav .dropdown-menu li a {
    padding: 10px 12px;
    font-size: 14px;
  }
  .header-nav > ul > li > a.nav-cta-btn {
    display: block !important;
    text-align: center;
    margin: 12px 0 4px !important;
    padding: 12px 22px !important;
  }
  .header-nav > ul > li > a.nav-cta-btn::after {
    display: none !important;
  }
  body.no-scroll {
    overflow: hidden;
  }
}

/* 桌面端强制横排，避免被其它 CSS 在 900px 断点压成单列 */
@media (min-width: 769px) {
  .header-nav .dropdown-large > .dropdown-menu.dropdown-mega {
    display: none;
  }
  .header-nav .dropdown-large:hover > .dropdown-menu.dropdown-mega {
    display: block !important;
  }
  .header-nav .dropdown-mega-grid,
  .header-nav .dropdown-mega-grid--2 {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
  }
  .header-nav .nav-catalog-grid,
  .header-nav .nav-catalog-grid--4 {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }
}

/* 覆盖 bundle 内遗留 flex 列样式，防止 Mega 菜单文字重叠 */
.header-nav .dropdown-mega .nav-catalog-grid > .dropdown-grid-col,
.header-nav .dropdown-mega .dropdown-mega-grid > .dropdown-grid-col,
.header-nav .dropdown-mega .dropdown-mega-grid--2 > .dropdown-grid-col {
  display: block !important;
  flex: none !important;
  width: auto !important;
  float: none !important;
}
.header-nav .dropdown-mega .nav-catalog-grid > .dropdown-grid-col li,
.header-nav .dropdown-mega .dropdown-mega-grid > .dropdown-grid-col li {
  display: block !important;
  width: 100%;
}