/* ==========================================================================
   开思云聚新一代官网 - 现代化高科技 SaaS 视觉与 GEO 增强样式
   ========================================================================== */

/* 顶部高科技通栏 */
.ks-top-bar {
  background: #0b1120;
  color: #94a3b8;
  font-size: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.ks-top-bar a {
  color: #38bdf8;
  text-decoration: none;
}

.ks-top-bar a:hover {
  color: #ffffff;
}

/* 现代化导航栏 */
.ks-header-modern {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: all 0.3s;
}

/* 科技 Hero 通栏 */
.ks-hero-modern {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15), transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.12), transparent 40%),
              linear-gradient(135deg, #0b1120 0%, #0f172a 60%, #1e293b 100%);
  color: #ffffff;
  padding: 96px 0 84px;
  overflow: hidden;
}

.ks-hero-modern::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.ks-badge-ai {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(246, 188, 0, 0.12);
  border: 1px solid rgba(246, 188, 0, 0.45);
  color: #f6bc00;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 0 12px rgba(246, 188, 0, 0.15);
}

.ks-hero-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.ks-hero-title span.ks-gradient-text {
  background: linear-gradient(135deg, #0095ff 0%, #38bdf8 50%, #f6bc00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ks-hero-desc {
  font-size: 18px;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 32px;
}

/* 按钮组 */
.ks-btn-primary {
  background: linear-gradient(135deg, #0095ff 0%, #0077d6 100%);
  color: #ffffff !important;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 10px;
  box-shadow: 0 10px 20px -5px rgba(0, 149, 255, 0.45);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.ks-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px -6px rgba(0, 149, 255, 0.6), 0 0 14px rgba(246, 188, 0, 0.4);
}

.ks-btn-gold {
  background: linear-gradient(135deg, #f6bc00 0%, #e0a800 100%);
  color: #0f172a !important;
  font-weight: 800;
  padding: 14px 32px;
  border-radius: 10px;
  box-shadow: 0 10px 20px -5px rgba(246, 188, 0, 0.4);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.ks-btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px -6px rgba(246, 188, 0, 0.6);
}

.ks-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  backdrop-filter: blur(8px);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-left: 12px;
}

.ks-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(246, 188, 0, 0.5);
  color: #f6bc00 !important;
}

/* 统计数据横幅 */
.ks-stats-bar {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 36px 0;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.03);
}

.ks-stat-num {
  font-size: 38px;
  font-weight: 800;
  color: #0095ff;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.ks-stat-label {
  font-size: 14px;
  color: #64748b;
  margin-top: 6px;
  font-weight: 500;
}

/* AI 事实锚点卡片 (针对 GEO & AI 搜索引擎优化) */
.ks-geo-anchor-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #0095ff;
  border-top: 2px solid #f6bc00;
  border-radius: 12px;
  padding: 24px 28px;
  margin: 32px 0;
  box-shadow: 0 4px 15px rgba(0, 149, 255, 0.04);
}

.ks-geo-anchor-tag {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 800;
  color: #0095ff;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.ks-geo-anchor-title {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 10px;
}

.ks-geo-anchor-desc {
  font-size: 14.5px;
  color: #475569;
  line-height: 1.7;
}

/* 现代化卡片网格 */
.ks-card-modern {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 32px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.ks-card-modern:hover {
  transform: translateY(-6px);
  border-color: #38bdf8;
  box-shadow: 0 20px 35px -10px rgba(0, 149, 255, 0.14);
}

.ks-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 149, 255, 0.12) 0%, rgba(246, 188, 0, 0.15) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #0095ff;
}

.ks-card-title {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.ks-card-desc {
  font-size: 14.5px;
  color: #64748b;
  line-height: 1.65;
  flex: 1;
}

/* 选型对比表格 */
.ks-comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  margin: 28px 0;
}

.ks-comparison-table th {
  background: #f1f5f9;
  color: #0f172a;
  font-weight: 700;
  padding: 16px 20px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.ks-comparison-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: #334155;
  border-bottom: 1px solid #f1f5f9;
  background: #ffffff;
}

.ks-comparison-table tr:hover td {
  background: #f8fafc;
}

/* FAQ 手风琴样式 */
.ks-faq-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}

.ks-faq-q {
  padding: 18px 22px;
  font-weight: 700;
  font-size: 16px;
  color: #0f172a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ks-faq-a {
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: #475569;
  line-height: 1.7;
}

/* 底部 GEO 辐射区域标签云 */
.ks-geo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.ks-geo-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
}

.ks-geo-tag:hover {
  color: #38bdf8;
  border-color: #38bdf8;
}

/* ==========================================================================
   开思云聚 - 全局导航下拉大菜单（产品中心 / 解决方案）视口适配与下拉滚动条增强
   解决产品中心在笔记本/中等屏幕高度显示不全、无法向下拉动查看的问题
   ========================================================================== */

/* 1. 强制设定最大高度与竖向滚动能力，允许下拉查看全部产品与热门组合 */
.product-mega-menu,
.solution-mega-menu,
.uk-navbar-dropdown.product-mega-menu,
.uk-navbar-dropdown.solution-mega-menu {
  max-height: calc(100vh - 82px) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior: contain !important;
  z-index: 100000 !important;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.28) !important;
}

/* 2. 精致现代化醒目滚动条样式，清晰指示下拉滚动状态 */
.product-mega-menu::-webkit-scrollbar,
.solution-mega-menu::-webkit-scrollbar,
.uk-navbar-dropdown.product-mega-menu::-webkit-scrollbar,
.uk-navbar-dropdown.solution-mega-menu::-webkit-scrollbar {
  width: 8px !important;
}

.product-mega-menu::-webkit-scrollbar-track,
.solution-mega-menu::-webkit-scrollbar-track,
.uk-navbar-dropdown.product-mega-menu::-webkit-scrollbar-track,
.uk-navbar-dropdown.solution-mega-menu::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.05) !important;
  border-radius: 4px !important;
}

.product-mega-menu::-webkit-scrollbar-thumb,
.solution-mega-menu::-webkit-scrollbar-thumb,
.uk-navbar-dropdown.product-mega-menu::-webkit-scrollbar-thumb,
.uk-navbar-dropdown.solution-mega-menu::-webkit-scrollbar-thumb {
  background: rgba(0, 122, 255, 0.55) !important;
  border-radius: 4px !important;
  border: 1px solid rgba(255, 255, 255, 0.8) !important;
}

.product-mega-menu::-webkit-scrollbar-thumb:hover,
.solution-mega-menu::-webkit-scrollbar-thumb:hover,
.uk-navbar-dropdown.product-mega-menu::-webkit-scrollbar-thumb:hover,
.uk-navbar-dropdown.solution-mega-menu::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 122, 255, 0.85) !important;
}

/* Firefox 滚动条适配 */
.product-mega-menu,
.solution-mega-menu,
.uk-navbar-dropdown {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 122, 255, 0.55) rgba(15, 23, 42, 0.05);
}

/* 3. 紧凑型排版优化：让绝大多数常见屏幕无需滚动即可完整一览全貌 */
.product-mega-menu__left {
  padding: 18px 30px 16px !important;
}

.product-mega-menu__right {
  padding: 18px 24px 16px !important;
}

.product-mega-menu__section + .product-mega-menu__section {
  margin-top: 14px !important;
}

.product-mega-menu__section-head {
  margin-bottom: 10px !important;
  padding-bottom: 6px !important;
}

.product-mega-menu__industry-grid {
  gap: 12px 14px !important;
}

/* 小微企业与远程互联 6 项排成整齐一行，避免单独一项换行增加冗余高度 */
@media (min-width: 960px) {
  .product-mega-menu__industry-grid--smb {
    grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
  }
}

.product-mega-menu__industry-icon {
  width: 36px !important;
  height: 36px !important;
}

.product-mega-menu__industry-label {
  font-size: 13.5px !important;
  margin-top: 2px !important;
}

/* 右侧热门组合卡片高度压缩与紧凑间距 */
.product-mega-menu__product-list {
  gap: 10px !important;
}

.product-mega-menu__product-card {
  padding: 14px 18px !important;
  border-radius: 10px !important;
  min-height: auto !important;
  box-shadow: 0 4px 14px rgba(31, 90, 227, 0.14) !important;
}

.product-mega-menu__product-title {
  font-size: 15px !important;
  margin: 0 0 4px !important;
  line-height: 1.35 !important;
}

.product-mega-menu__product-desc {
  font-size: 12.5px !important;
  line-height: 1.5 !important;
}

.product-mega-menu__more-link {
  margin-top: 6px !important;
  padding: 4px 0 !important;
  font-size: 12.5px !important;
}

/* 4. 解决方案大菜单同样紧凑与滚动支持 */
.solution-mega-menu .product-mega-menu__left,
.solution-mega-menu .product-mega-menu__right {
  padding-bottom: 20px !important;
}

.solution-mega-menu .product-mega-menu__industry-grid {
  gap: 14px 14px !important;
}

.solution-mega-menu__feature-list {
  gap: 14px 14px !important;
}