/* ============================================================
   极简商务科技风 - 主题覆盖样式
   配色参考 Vercel / Linear 风格（白底 + 细线条 + 几何装饰）
   保留 default 全部功能：导航/登录/友链/备案/侧边栏
   ============================================================ */

:root {
  /* 主色板（深空蓝，参考 Linear） */
  --tc-primary: #0052D9;
  --tc-primary-hover: #003CB8;
  --tc-primary-light: #E8F3FF;

  /* 文字色 */
  --tc-text-primary: #0F172A;
  --tc-text-secondary: #475569;
  --tc-text-muted: #94A3B8;

  /* 边框/分割线 */
  --tc-border: #E2E8F0;
  --tc-border-strong: #CBD5E1;
  --tc-divider: rgba(15, 23, 42, 0.06);

  /* 背景 */
  --tc-bg-page: #FFFFFF;
  --tc-bg-soft: #F8FAFC;
  --tc-bg-dark: #0F172A;

  /* 阴影（细而锐） */
  --tc-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --tc-shadow-md: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --tc-shadow-lg: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
}

/* ============================================================
   顶部导航
   ============================================================ */

/* 顶栏无 border（避免双线），box-shadow 由 .nav-shadow 单独控制 */
#header,
body > header {
  background: #fff;
  border-bottom: none;
}

.nav-shadow {
  box-shadow: 0 1px 0 var(--tc-divider);
}

body#index .nav-shadow {
  box-shadow: none !important;
}

body#index .nav-cont {
  box-shadow: none !important;
}

.nav-header {
  height: 60px;
}

.section-content.nav-header {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.nav-menu .nav-item {
  height: 60px;
  font-size: 14px;
  font-weight: 500;
  color: var(--tc-text-secondary);
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  letter-spacing: 0.2px;
}

.nav-menu .nav-item:hover,
.nav-menu .nav-item.active {
  color: var(--tc-text-primary);
  border-bottom-color: var(--tc-text-primary);
}

.nav-right .control {
  color: var(--tc-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-right .control:hover {
  color: var(--tc-text-primary);
}

.nav-right .btn-normal {
  background: var(--tc-text-primary);
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.15s ease;
}

.nav-right .btn-normal:hover {
  background: #1E293B;
}

.nav-right .btn-normal-light {
  color: var(--tc-text-primary);
  background: transparent;
  border: 1px solid var(--tc-border);
  border-radius: 6px;
  font-weight: 500;
  transition: border-color 0.15s ease;
}

.nav-right .btn-normal-light:hover {
  border-color: var(--tc-text-primary);
  color: var(--tc-text-primary);
}

/* ============================================================
   下拉导航菜单
   ============================================================ */
.nav-cont {
  top: 60px;
  background: #fff;
  border-top: 1px solid var(--tc-divider);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  border-radius: 0 0 8px 8px;
}

.nav-item-box {
  min-width: 280px;
  height: 80px;
  padding: 16px 18px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--tc-border);
  box-shadow: none;
  transition: all 0.18s ease;
}

.nav-item-box:hover {
  border-color: var(--tc-text-primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.nav-item-box:hover .title {
  color: var(--tc-text-primary) !important;
}

.nav-item-box .item-box-title .title {
  font-size: 15px;
  font-weight: 600;
  color: var(--tc-text-primary);
}

.nav-item-box .item-box-title .desc {
  font-size: 13px;
  color: var(--tc-text-muted);
}

/* ============================================================
   用户登录区域
   ============================================================ */
.nav-header .login-in {
  height: 60px;
}

.nav-header .login-in::after {
  height: 24px;
  border-left-color: var(--tc-border);
}

.nav-header .login-in .head-img {
  background: var(--tc-text-primary) !important;
  border: none;
  border-radius: 50%;
  color: #fff;
  font-weight: 500;
}

.nav-header .login-in .login-menu {
  top: 60px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.1);
  border: 1px solid var(--tc-border);
  padding: 6px;
  width: 200px;
  height: auto;
}

.nav-header .login-in .login-menu .login-menu-item {
  height: 36px;
  padding: 0 12px;
  border-radius: 4px;
  font-size: 13px;
}

.nav-header .login-in .login-menu .login-menu-item:hover {
  background: var(--tc-bg-soft);
  color: var(--tc-text-primary);
}

.nav-header .login-in .login-menu .login-menu-item .real-name {
  border-color: var(--tc-text-primary);
  color: var(--tc-text-primary);
  background: var(--tc-bg-soft);
  font-weight: 500;
}

/* ============================================================
   通用按钮（替换 .btn-normal/.btn-normal-light）
   ============================================================ */
.btn,
.btn2 {
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.15s ease;
  letter-spacing: 0.2px;
}

.btn-normal {
  color: #fff;
  background: var(--tc-primary);
}

.btn-normal:hover {
  background: var(--tc-primary-hover);
  color: #fff;
}

.btn-normal:active {
  background: var(--tc-primary-hover);
}

.btn-normal-light {
  color: var(--tc-text-primary);
  background: #fff;
  border: 1px solid var(--tc-border);
}

.btn-normal-light:hover {
  border-color: var(--tc-text-primary);
  color: var(--tc-text-primary);
  background: #fff;
}

/* ============================================================
   Banner 轮播指示器
   ============================================================ */
.banner-cont .swiper-pagination-bullet {
  width: 24px;
  height: 2px;
  background: var(--tc-border);
  border-radius: 1px;
  opacity: 1;
}

.banner-cont .swiper-pagination-bullet-active {
  background: var(--tc-primary) !important;
  width: 32px;
}

.banner .banner-s {
  border-radius: 8px;
}

.banner-s .banner-list .banner-item {
  border-right: 1px solid var(--tc-divider);
  transition: all 0.15s ease;
}

.banner-s .banner-list .banner-item:last-child {
  border-right: none;
}

.banner-s .banner-list .banner-item:hover {
  background: var(--tc-bg-soft);
}

.banner-s .banner-list .banner-item:hover h5 {
  color: var(--tc-text-primary) !important;
}

.banner-list .banner-item .banner-tag {
  color: var(--tc-text-secondary) !important;
  border-color: var(--tc-border) !important;
  background: var(--tc-bg-soft);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

/* ============================================================
   服务内容区
   ============================================================ */
.service .service-box {
  border-radius: 8px;
  border: 1px solid var(--tc-border);
  background: #fff;
  transition: all 0.2s ease;
}

.service .service-box:hover {
  border-color: var(--tc-text-primary);
  box-shadow: var(--tc-shadow-lg);
  transform: translateY(-2px);
}

.service .service-box .service-title {
  color: var(--tc-text-primary);
  font-weight: 600;
}

.service .service-box .service-price,
.service .font-theme {
  color: var(--tc-text-primary) !important;
}

.service .service-tag-group .service-tag {
  font-size: 12px;
  padding: 0 10px;
  color: var(--tc-text-secondary);
  background: var(--tc-bg-soft);
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  height: 24px;
}

/* ============================================================
   产品推荐区
   ============================================================ */
.product-recommend .product-box {
  border-radius: 8px;
  border: 1px solid var(--tc-border);
  background: #fff;
  transition: all 0.2s ease;
}

.product-recommend .product-box:hover {
  border-color: var(--tc-text-primary);
  box-shadow: var(--tc-shadow-lg);
}

/* ============================================================
   注册广告条（保持渐变，呼应主色）
   ============================================================ */
.register-advert {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%) !important;
  height: auto;
  padding: 0;
}

.register-advert-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.register-advert-copy h3 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.2px;
}

.register-advert-copy p {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.register-advert-btn {
  flex-shrink: 0;
  min-width: 130px;
  text-align: center;
  color: var(--tc-text-primary) !important;
  background: #fff !important;
  border: none !important;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}

.register-advert-btn:hover {
  background: var(--tc-bg-soft) !important;
  color: var(--tc-text-primary) !important;
}

/* ============================================================
   底部承诺条
   ============================================================ */
.section-promise {
  background: var(--tc-bg-dark) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cloud-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.section-promise .promise {
  padding: 20px 0;
}

.section-promise .promise-box {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 400;
}

.section-promise .promise-box img {
  filter: brightness(0) invert(1);
  opacity: 0.65;
}

/* ============================================================
   页脚全宽布局
   ============================================================ */
footer.footer,
.footer.section {
  padding: 0 !important;
  margin: 0;
  width: 100%;
  max-width: none;
  background: var(--tc-bg-dark);
}

footer.footer > .section-content,
.footer .section-content {
  padding: 0 !important;
  max-width: none !important;
}

.cloud-footer-body {
  background: var(--tc-bg-dark);
  color: rgba(255, 255, 255, 0.6);
}

.cloud-footer-grid {
  display: flex;
  gap: 48px;
  padding: 56px 0 40px;
}

.cloud-footer-grid .footer-nav-left {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 24px;
  margin: 0;
  width: auto;
}

.cloud-footer-grid .footer-nav-box {
  flex: none;
  min-width: 0;
}

.cloud-footer-grid .footer-nav-head {
  padding: 0 0 14px;
  margin: 0 0 16px;
  width: auto;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.5px;
}

.cloud-footer-grid .footer-nav-cont {
  padding: 0;
}

.cloud-footer-grid .footer-nav-item {
  margin-bottom: 10px;
  line-height: 1.6;
  font-size: 13px;
}

.cloud-footer-grid .footer-nav-item a,
.cloud-footer-grid .link-hover {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.15s ease;
}

.cloud-footer-grid .footer-nav-item a:hover,
.cloud-footer-grid .link-hover:hover {
  color: #fff !important;
}

.footer-nav-aside {
  width: 200px;
  flex-shrink: 0;
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-nav-aside .footer-nav-head {
  padding: 0 0 14px;
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.5px;
}

.footer-contact .footer-contact-line {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  line-height: 1.8;
}

.footer-nav-aside .qr-code {
  margin-top: 16px;
}

.footer-nav-aside .qr-code img {
  width: 80px;
  height: 80px;
  padding: 4px;
  background: #fff;
  border-radius: 6px;
  object-fit: contain;
}

.cloud-footer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.cloud-footer-bar .footer-link {
  display: block;
  padding: 16px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  border-top: none;
  height: auto;
  line-height: 1.8;
}

.cloud-footer-bar .footer-link a {
  color: rgba(255, 255, 255, 0.45);
  margin-right: 16px;
}

.cloud-footer-bar .footer-link a:hover {
  color: rgba(255, 255, 255, 0.8) !important;
}

.cloud-footer-bar .footer-record {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  padding: 14px 0 20px;
  border-top: none;
  height: auto;
  line-height: 1.8;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.cloud-footer-bar .footer-record-left {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.cloud-footer-bar .footer-record a {
  color: rgba(255, 255, 255, 0.35);
}

.cloud-footer-bar .footer-record a:hover {
  color: rgba(255, 255, 255, 0.6) !important;
}

.cloud-footer-bar .footer-record-right {
  color: rgba(255, 255, 255, 0.35);
}

@media screen and (max-width: 1100px) {
  .cloud-footer-grid .footer-nav-left {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 768px) {
  .cloud-footer-grid {
    flex-direction: column;
    gap: 32px;
    padding: 32px 0;
  }

  .footer-nav-aside {
    width: 100%;
    padding-left: 0;
    border-left: none;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .cloud-footer-grid .footer-nav-left {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================================
   侧边工具栏
   ============================================================ */
.aside-tools {
  z-index: 999;
}

.aside-tools .tools-list {
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  border: 1px solid var(--tc-border);
}

.aside-tools .tools-item {
  transition: all 0.15s ease;
}

.aside-tools .tools-item:hover {
  background: var(--tc-bg-soft);
}

.aside-tools .tools-list .tools-item::before {
  background: var(--tc-divider);
  right: 12px;
  width: 16px;
}

.aside-tools .tools-box {
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.1);
  border: 1px solid var(--tc-border);
}

.aside-tools .tools-box-s {
  border-radius: 8px;
}

.aside-tools .tools-box .button {
  background: var(--tc-text-primary);
  color: #fff;
  border-radius: 4px;
  border: none;
}

.aside-tools .tools-box .button:hover {
  background: #1E293B;
}

/* ============================================================
   产品页（子页面）
   ============================================================ */
.product-banner {
  background: var(--tc-bg-dark) !important;
  height: 360px;
  padding: 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* 几何装饰背景 */
.product-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}

.product-banner .section-content {
  position: relative;
  z-index: 1;
}

.product-banner h1,
.product-banner h2,
.product-banner p {
  color: #fff;
}

.product-banner h1 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.product-list .product-item {
  border-radius: 8px;
  border: 1px solid var(--tc-border);
  background: #fff;
  transition: all 0.2s ease;
}

.product-list .product-item:hover {
  border-color: var(--tc-text-primary);
  box-shadow: var(--tc-shadow-lg);
  transform: translateY(-2px);
}

.product-list .product-item .price {
  color: var(--tc-text-primary);
  font-weight: 600;
}

.product-list .buy-btn {
  background: var(--tc-text-primary) !important;
  color: #fff;
  border-radius: 6px;
  border: none;
}

.product-list .buy-btn:hover {
  background: #1E293B !important;
}

/* ============================================================
   解决方案页
   ============================================================ */
.solution-banner {
  background: var(--tc-bg-dark) !important;
  height: 360px;
}

/* ============================================================
   文档中心
   ============================================================ */
.document .doc-nav .active {
  color: var(--tc-text-primary);
  border-left-color: var(--tc-text-primary);
  font-weight: 600;
}

/* ============================================================
   新闻/公告
   ============================================================ */
.news-item {
  border-radius: 6px;
  transition: background 0.15s ease;
}

.news-item:hover {
  background: var(--tc-bg-soft);
  box-shadow: none;
}

.news-item .news-title:hover {
  color: var(--tc-text-primary);
}

/* ============================================================
   通用 section 标题
   ============================================================ */
.section-title h2 {
  color: var(--tc-text-primary);
  font-weight: 600;
  letter-spacing: -0.3px;
}

.section-title .section-desc {
  color: var(--tc-text-muted);
}

/* ============================================================
   合作伙伴页
   ============================================================ */
.partner-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%) !important;
}

/* ============================================================
   活动页标签
   ============================================================ */
.activities .tab-active {
  color: var(--tc-text-primary) !important;
  border-bottom-color: var(--tc-text-primary) !important;
  font-weight: 600;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb > .active {
  color: var(--tc-text-primary);
  font-weight: 500;
}

/* ============================================================
   表单聚焦
   ============================================================ */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--tc-text-primary) !important;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
  outline: none;
}

/* ============================================================
   价格突出
   ============================================================ */
.price-highlight,
.font-price {
  color: var(--tc-text-primary) !important;
}

/* ============================================================
   灰色背景区块
   ============================================================ */
.section-gray {
  background: var(--tc-bg-soft);
}

/* ============================================================
   荣誉/合作伙伴 logo 墙
   ============================================================ */
.honor-item,
.partner-item {
  border-radius: 8px;
  border: 1px solid var(--tc-border);
  background: #fff;
  transition: all 0.2s ease;
}

.honor-item:hover,
.partner-item:hover {
  border-color: var(--tc-text-primary);
  box-shadow: var(--tc-shadow-md);
}