/* ===================================
    CSS Variables - 占位变量
   =================================== */
:root {
  /* --------------------------------------------------------
     中性默认色（占位）
     灰度系主色 + 中性背景/文字，仅作占位，
     项目启动后替换为正式品牌色。
     -------------------------------------------------------- */

  /* 主色调 */
  --color-primary: #4b5563;
  --color-primary-hover: #374151;
  --color-primary-light: #e5e7eb;
  --color-secondary: #6b7280;
  --color-secondary-hover: #4b5563;

  /* 文字颜色 */
  --color-text-heading: #111827;
  --color-text-body: #1a1a1a;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;

  /* 边框与分割 */
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  /* 背景色 */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-bg-card: #ffffff;

  /* 链接与交互 */
  --color-link: #4b5563;
  --color-link-hover: #374151;

  /* 覆盖层 */
  --color-overlay-dark: rgba(17, 24, 39, 0.75);

  /* 标签/徽章背景 */
  --color-tag-bg: #f3f4f6;
  --color-tag-bg-hover: #e5e7eb;

  /* 社交媒体颜色（平台官方品牌色，非项目主色，按需替换） */
  --color-social-facebook: #1877F2;
  --color-social-twitter: #1DA1F2;
  --color-social-linkedin: #0A66C2;
  --color-social-whatsapp: #25D366;
  --color-social-pinterest: #BD081C;
  --color-social-email: #4b5563;

  /* 通用白（彩色背景上的对比文字） */
  --color-white: #ffffff;

  /* 浅遮罩（Mobile 导航，区别于 Modal 的深遮罩） */
  --color-overlay-light: rgba(0, 0, 0, 0.4);

  /* 阴影色 */
  --color-shadow-sm: rgba(0, 0, 0, 0.05);
  --color-shadow-md: rgba(0, 0, 0, 0.1);
  --color-modal-shadow: rgba(17, 24, 39, 0.5);

  /* Modal 专属 */
  --color-modal-close-bg: rgba(255, 255, 255, 0.85);
  --color-modal-panel-from: #111827;
  --color-modal-panel-to: #1f2937;
  --color-modal-text-muted: rgba(255, 255, 255, 0.82);
  --color-modal-text-soft: rgba(255, 255, 255, 0.92);
  --color-modal-accent: #fbbf24;
}

/* ===================================
    Layout - 布局样式（通用）
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section - 通用区块容器
   页面由多个 section 垂直堆叠而成，统一控制上下间距。
   用法：<section class="section"><div class="container">...</div></section>
   变体：
   - .section--sm / .section--lg：紧凑 / 宽松间距
   - .section--gray / .section--dark：浅灰 / 深色背景，用于交替分块
   - .section--center：内容水平居中（标题组常用）
*/
.section {
  padding: 4rem 0;
}
.section--sm { padding: 2.5rem 0; }
.section--lg { padding: 6rem 0; }

.section--gray { background: var(--color-bg-secondary); }
.section--dark { background: var(--color-text-heading); color: var(--color-white); }

.section--center .container {
  text-align: center;
}

/* 响应式：移动端收紧间距 */
@media (max-width: 768px) {
  .section { padding: 2.5rem 0; }
  .section--sm { padding: 1.5rem 0; }
  .section--lg { padding: 4rem 0; }
}

/* ===================================
    Animations - 滚动显示动画（通用）
   =================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up 0.6s ease forwards;
}

.animate-right {
  opacity: 0;
  transform: translateX(20px);
  animation: fade-left 0.6s ease forwards;
}

.animate-scale {
  opacity: 0;
  transform: scale(0.95);
  animation: scale-in 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-left {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  to { opacity: 1; transform: scale(1); }
}

/* ===================================
    Buttons - 按钮样式（通用）
   =================================== */
.btn-primary {
  background: var(--color-primary, #4b5563);
  color: var(--color-white);
  padding: 1.25rem 2.5rem;
  display: inline-block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--color-primary-hover, #374151);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--color-primary, #4b5563);
  color: var(--color-white);
  border: 1px solid var(--color-primary, #4b5563);
  padding: 1.25rem 2.5rem;
  display: inline-block;
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.btn-outline:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===================================
    Card - 卡片样式（通用）
   =================================== */
.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 6px -1px var(--color-shadow-sm);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

a:hover .card {
  transform: translateY(-5px);
  border-color: var(--color-border);
  box-shadow: 0 10px 15px -3px var(--color-shadow-md);
}

/* ===================================
    Breadcrumb Styles 面包屑组件（通用）
   =================================== */
.wxkn-breadcrumb-wrapper {
  padding: 0.75rem 0;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

.wxkn-breadcrumb-wrapper--has-container {
  padding: 0.75rem 0;
}

.wxkn-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  margin-left: 1rem;
}

.wxkn-breadcrumb-wrapper--has-container .wxkn-breadcrumb {
  margin-left: 0;
}

.wxkn-breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.wxkn-breadcrumb a:hover {
  color: var(--color-primary, #4b5563);
}

.wxkn-breadcrumb a:focus-visible {
  outline: 2px solid var(--color-primary, #4b5563);
  outline-offset: 2px;
}

.wxkn-breadcrumb-separator {
  color: var(--color-text-muted);
  margin: 0 0.75rem;
  user-select: none;
}

.wxkn-breadcrumb-current {
  color: var(--color-text-heading);
  font-weight: 600;
}

.wxkn-breadcrumb--light .wxkn-breadcrumb a {
  color: var(--color-text-secondary);
}

.wxkn-breadcrumb--light .wxkn-breadcrumb a:hover {
  color: var(--color-primary, #4b5563);
}

.wxkn-breadcrumb--light .wxkn-breadcrumb-separator {
  color: var(--color-text-muted);
}

.wxkn-breadcrumb--light .wxkn-breadcrumb-current {
  color: var(--color-text-heading);
}

.wxkn-breadcrumb--compact {
  padding: 0.5rem 0;
  margin-bottom: 0.75rem;
  border-bottom: none;
}

.wxkn-breadcrumb--compact .wxkn-breadcrumb {
  font-size: 13px;
}

.wxkn-breadcrumb--compact .wxkn-breadcrumb-separator {
  margin: 0 0.5rem;
}

.wxkn-breadcrumb--float {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 0;
  background: none;
  border: none;
}

.wxkn-breadcrumb--float .wxkn-breadcrumb {
  font-size: 14px;
  letter-spacing: 0.05em;
  margin-left: 0;
}

.wxkn-breadcrumb--float .wxkn-breadcrumb a {
  color: var(--color-text-secondary);
}

.wxkn-breadcrumb--float .wxkn-breadcrumb a:hover {
  color: var(--color-primary, #4b5563);
}

.wxkn-breadcrumb--float .wxkn-breadcrumb-separator {
  color: var(--color-text-muted);
  margin: 0 8px;
}

.wxkn-breadcrumb--float .wxkn-breadcrumb-current {
  color: var(--color-text-heading);
}

@media (max-width: 767px) {
  .wxkn-breadcrumb-wrapper {
    padding: 0.5rem 0;
  }

  .wxkn-breadcrumb {
    font-size: 13px;
    margin-left: 0;
  }

  .wxkn-breadcrumb-separator {
    margin: 0 0.5rem;
  }

  .wxkn-breadcrumb--float {
    bottom: 12px;
  }

  .wxkn-breadcrumb--float .wxkn-breadcrumb {
    font-size: 13px;
  }

  .wxkn-breadcrumb--float .wxkn-breadcrumb-separator {
    margin: 0 6px;
  }
}

/* ===================================
    Prose - 内容排版样式（通用）
   =================================== */
.prose {
  color: var(--color-text-body);
  line-height: 1.8;
}

.prose h2, .prose h3, .prose h4 {
  color: var(--color-text-heading);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

.prose p {
  margin-bottom: 1.5rem;
}

.prose ul, .prose ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-secondary);
  padding-left: 1.5rem;
  font-style: italic;
  color: var(--color-text-heading);
  margin: 2rem 0;
}

.prose img {
  margin: 2.5rem 0;
}

.prose a {
  color: var(--color-link, #4b5563);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.3s ease;
}

.prose a:hover {
  color: var(--color-link-hover, #374151);
}

/* ===================================
    Single Product Page - 产品详情页
   =================================== */
.single-product-page {

}

.single-product-page .text-body p {
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}

.single-product-page .text-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.single-product-page .text-body h2,
.single-product-page .text-body h3,
.single-product-page .text-body h4 {
  color: var(--color-text-heading);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}

.single-product-page .text-body h2 { font-size: 1.75rem; }
.single-product-page .text-body h3 { font-size: 1.5rem; }
.single-product-page .text-body h4 { font-size: 1.25rem; }

.single-product-page .text-body ul,
.single-product-page .text-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--color-text-secondary);
}

.single-product-page .text-body ul { list-style-type: disc; }
.single-product-page .text-body ol { list-style-type: decimal; }
.single-product-page .text-body li { margin-bottom: 0.5rem; }

.single-product-page .product-card-bento {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.single-product-page .product-card-title {
  color: var(--color-text-heading);
  transition: color 0.3s ease;
  font-weight: 600;
  font-size: 16px;
  line-height: 24px;
  text-align: left;
}

.single-product-page .card-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.single-product-page .product-card-bento:hover .card-overlay {
  opacity: 1;
}

.single-product-page .card-overlay-arrow {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transform: translate(0, 12px);
  opacity: 0;
  transition: all 0.35s ease;
}

.single-product-page .product-card-bento:hover .card-overlay-arrow {
  transform: translate(0, 0);
  opacity: 1;
}

.single-product-page .form-card-hover {
  position: relative;
  overflow: hidden;
}

.single-product-page .form-card-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--color-secondary);
  transition: width 0.5s ease;
}

.single-product-page .form-card-hover:hover::before {
  width: 100%;
}

.single-product-page .section-product-matrix {
  background: transparent;
}

/* ===================================
    Single Post Page - 博客详情页
   =================================== */
.single-post-page {

}

.single-post-page .single-post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .single-post-page .single-post-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.single-post-page .single-post-main {
  padding-top: 100px;
  background-color: var(--color-bg-secondary);
}

.single-post-page .single-post-section {
  padding-top: 2rem;
}

.single-post-page .post-content .post-featured-image {
  margin-bottom: 2rem;
}

.single-post-page .post-content .post-featured-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.single-post-page .post-content .post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.single-post-page .post-content .post-cat-label {
  color: var(--color-primary, #4b5563);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.single-post-page .post-content .post-date-label {
  color: var(--color-text-muted);
  font-size: 13px;
}

.single-post-page .post-content .post-title {
  color: var(--color-text-heading);
  margin-bottom: 2rem;
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
}

.single-post-page .post-content .post-body {
  color: var(--color-text-body);
  line-height: 1.8;
  font-size: 16px;
}

.single-post-page .post-content .post-tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.single-post-page .post-content .post-tags .tags-label {
  color: var(--color-text-heading);
  font-size: 14px;
  font-weight: 600;
  margin-right: 0.5rem;
}

.single-post-page .post-content .post-tags a {
  color: var(--color-primary, #4b5563);
  background: var(--color-tag-bg);
  font-size: 13px;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s;
}

.single-post-page .post-content .post-tags a:hover {
  background: var(--color-tag-bg-hover);
}

.single-post-page .post-content .post-share {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  margin-bottom: 2rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.single-post-page .post-content .post-share .share-label {
  color: var(--color-text-heading);
  font-size: 14px;
  font-weight: 600;
}

.single-post-page .post-content .post-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.single-post-page .post-content .post-share a:hover {
  transform: translateY(-2px);
}

.single-post-page .post-content .post-share a svg {
  width: 18px;
  height: 18px;
}

.single-post-page .post-content .post-share a.share-facebook:hover {
  background-color: var(--color-social-facebook);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-twitter:hover {
  background-color: var(--color-social-twitter);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-linkedin:hover {
  background-color: var(--color-social-linkedin);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-whatsapp:hover {
  background-color: var(--color-social-whatsapp);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-pinterest:hover {
  background-color: var(--color-social-pinterest);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-email:hover {
  background-color: var(--color-social-email);
  color: var(--color-white);
}

.single-post-page .post-content .post-share a.share-copy:hover {
  background-color: var(--color-text-heading);
  color: var(--color-white);
}

/* Sidebar */
.single-post-page .post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 100px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.single-post-page .post-sidebar .sidebar-widget {
  padding: 1.5rem;
}

.single-post-page .post-sidebar .sidebar-widget h4 {
  color: var(--color-text-heading);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.single-post-page .related-posts-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.single-post-page .related-posts-sidebar .related-item {
  display: flex;
  gap: 0.75rem;
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.2s;
}

.single-post-page .related-posts-sidebar .related-item:last-child {
  border-bottom: none;
}

.single-post-page .related-posts-sidebar .related-item:hover {
  background: var(--color-border-light);
}

.single-post-page .related-posts-sidebar .related-thumb {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
}

.single-post-page .related-posts-sidebar .related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-post-page .related-posts-sidebar .related-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
}

.single-post-page .related-posts-sidebar .related-title {
  color: var(--color-text-heading);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
}

.single-post-page .related-posts-sidebar .related-date {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ===== Exit-Intent Modal ===== */
.wxkn-modal {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.wxkn-modal.is-open { opacity: 1; visibility: visible; }

.wxkn-modal__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-dark);
  backdrop-filter: blur(4px);
}

.wxkn-modal__dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 5fr 6fr;
  width: min(960px, 94vw);
  max-height: 88vh;
  background: var(--color-bg-card);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 60px -15px var(--color-modal-shadow);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.wxkn-modal.is-open .wxkn-modal__dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.wxkn-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 5;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--color-modal-close-bg);
  color: var(--color-text-heading);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
.wxkn-modal__close:hover { background: var(--color-white); transform: rotate(90deg); }

.wxkn-modal__left {
  background: linear-gradient(135deg, var(--color-modal-panel-from) 0%, var(--color-modal-panel-to) 100%);
  color: var(--color-white);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.wxkn-modal__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-modal-accent);
  margin-bottom: 16px;
}
.wxkn-modal__title {
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 18px;
}
.wxkn-modal__title em {
  color: var(--color-modal-accent);
  font-style: normal;
}
.wxkn-modal__lede {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-modal-text-muted);
  margin: 0 0 24px;
}
.wxkn-modal__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.wxkn-modal__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-modal-text-soft);
}
.wxkn-modal__list li::before {
  content: "✓";
  color: var(--color-modal-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.wxkn-modal__right {
  padding: 48px 44px;
  overflow-y: auto;
  background: var(--color-bg-card);
}
.wxkn-modal__form-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--color-text-heading);
}
.wxkn-modal__form-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 0 0 24px;
}

/* Lead form inside the modal */
.wxkn-form { display: flex; flex-direction: column; gap: 14px; }
.wxkn-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.wxkn-form__field { display: flex; flex-direction: column; gap: 6px; }
.wxkn-form__field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.wxkn-form__field input,
.wxkn-form__field textarea,
.wxkn-form__field select {
  width: 100%;
  padding: 11px 13px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text-heading);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  box-sizing: border-box;
}
.wxkn-form__field input:focus,
.wxkn-form__field textarea:focus,
.wxkn-form__field select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-primary);
  box-shadow: 0 0 0 3px var(--color-shadow-md);
}
.wxkn-form__field textarea { min-height: 90px; resize: vertical; }
.wxkn-form__submit {
  margin-top: 8px;
  padding: 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 9999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.wxkn-form__submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px var(--color-shadow-md);
}
.wxkn-form__note {
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  margin: 10px 0 0;
}

@media (max-width: 768px) {
  .wxkn-modal__dialog {
    grid-template-columns: 1fr;
    width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
  .wxkn-modal__left { display: none; }
  .wxkn-modal__right { padding: 60px 22px 32px; }
  .wxkn-form__row { grid-template-columns: 1fr; }
}


.border-fine-b { border-bottom: 1px solid var(--color-border); }

/* Mobile Navigation */
.wxkn-mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: var(--color-overlay-light);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.wxkn-mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.wxkn-mobile-nav-inner {
    position: absolute;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 380px;
    height: 100%;
    background: var(--color-bg-primary);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.wxkn-mobile-nav.active .wxkn-mobile-nav-inner {
    transform: translateX(0);
}

.wxkn-mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 80px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.wxkn-mobile-nav-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0 32px;
}

/* Mobile Nav Groups (accordion) */
.wxkn-mobile-nav-group {
    border-bottom: 1px solid var(--color-border-light);
}

.wxkn-mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 24px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-body);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.wxkn-mobile-nav-toggle i {
    transition: transform 0.3s ease;
}

.wxkn-mobile-nav-toggle.active {
    background-color: var(--color-primary, #4b5563);
    color: var(--color-white);
}

.wxkn-mobile-nav-toggle.active i {
    transform: rotate(180deg);
}

.wxkn-mobile-subnav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background-color: var(--color-bg-tertiary);
}

.wxkn-mobile-subnav.active {
    max-height: 800px;
}

.wxkn-mobile-subnav-link {
    display: block;
    padding: 16px 24px 16px 36px;
    font-size: 15px;
    color: var(--color-text-body);
    font-weight: 700;
    text-decoration: none;
    border-top: 1px solid var(--color-border-light);
    transition: color 0.2s ease;
    white-space: nowrap;
}

.wxkn-mobile-subnav-link:hover {
    color: var(--color-primary, #4b5563);
}

/* Mobile Nav Simple Links */
.wxkn-mobile-nav-link {
    display: block;
    padding: 16px 24px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-body);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-light);
}

/* Mobile CTA */
.wxkn-mobile-cta {
    display: block;
    margin: 20px 24px;
    padding: 14px 0;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background: var(--color-secondary);
    text-decoration: none;
    transition: background 0.2s ease;
}

.wxkn-mobile-cta:hover {
    background: var(--color-secondary-hover);
}

/* ===================================
    Back to Top - 返回顶部浮动按钮
    风格对齐：cubic-bezier(0.4,0,0.2,1)、hover translateY(-2px)、
    focus 2px/2px、卡片级中性阴影、断点 767px；主色引用 --color-primary / --color-primary-hover。
   =================================== */
.gb-back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    box-shadow: 0 4px 6px -1px var(--color-shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.gb-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.gb-back-to-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px var(--color-shadow-md);
}

.gb-back-to-top:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.gb-back-to-top svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 767px) {
    .gb-back-to-top {
        right: 16px;
        bottom: 16px;
        width: 46px;
        height: 46px;
    }
    .gb-back-to-top svg {
        width: 22px;
        height: 22px;
    }
}