/* ============================================================
   CheckNow Responsive Styles
   ============================================================ */

@media (max-width: 1024px) {
  .checknow-top-search .dark-forms.header-search {
    width: 150px;
  }

  .checknow-top-search .dark-forms.header-search:hover,
  .checknow-top-search .dark-forms.header-search:focus-within {
    width: 180px;
  }

  .checknow-nav-item > a {
    padding: 14px 10px;
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  /* Header responsive */
  .header.checknow-header {
    height: auto !important;
  }

  /* Top bar: hide phone, show search toggle */
  .checknow-top-bar {
    height: 50px;
  }

  .checknow-top-search {
    display: none;
  }

  .checknow-top-search.mobile-show {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 8px 16px;
    background: var(--cn-surface);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08); /* ponytail: 黑色透明 */
    z-index: 100;
  }

  .checknow-top-search.mobile-show .dark-forms.header-search {
    width: 100%;
  }

  /* Nav bar: hide desktop menu, show hamburger */
  .checknow-nav-bar {
    height: 50px;
  }

  .checknow-nav-brand .mobile-menu {
    display: flex;
  }

  .checknow-nav-brand .mobile-menu a {
    color: var(--checknow-text);
    font-size: 22px;
  }

  .checknow-brand-text {
    font-size: 18px;
  }

  .checknow-nav-menu {
    display: none;
  }

  .checknow-nav-menu.mobile-open {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--cn-surface);
    z-index: 9999;
    padding: 80px 24px 24px;
    overflow-y: auto;
  }

  .checknow-nav-menu.mobile-open .checknow-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .checknow-nav-menu.mobile-open .checknow-nav-item > a {
    padding: 16px 12px;
    font-size: 16px;
    border-radius: 0;
    border-bottom: 1px solid var(--checknow-border);
  }

  .checknow-nav-menu.mobile-open .checknow-nav-dropdown {
    position: static;
    display: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0 0 0 16px;
    margin: 0;
    background: var(--checknow-bg);
  }

  .checknow-nav-menu.mobile-open .checknow-nav-dropdown.open {
    display: block;
  }

  .checknow-nav-menu.mobile-open .checknow-nav-dropdown a {
    padding: 12px 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--checknow-border);
    border-radius: 0;
  }

  .checknow-nav-menu.mobile-open .checknow-nav-dropdown a:hover {
    padding-left: 12px;
  }

  .c27-top-content-margin {
    height: 0 !important;
  }
}

/* ════════════════════════════════════════════════════════════
   首页响应式 — 由 home-brand.css 统一管理
   以下为其他页面仍依赖的通用响应式规则
   ════════════════════════════════════════════════════════════ */

/* ── 通用标题响应式（service-detail、about、news-single 共用） ── */
@media (max-width: 1024px) {
  .checknow-section-title {
    font-size: 30px;
  }

  .checknow-cta-title {
    font-size: 30px;
  }

  /* 服务详情页相关服务 */
  .checknow-services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .checknow-section-title {
    font-size: 26px;
  }

  .checknow-cta-title {
    font-size: 26px;
  }

  .checknow-section {
    padding: 60px 0;
  }

  .checknow-section-header {
    margin-bottom: 32px;
  }

  .checknow-section-desc {
    font-size: 14px;
  }

  .checknow-section-header--left {
    text-align: left;
  }

  /* 服务详情页相关服务 + 旧版服务卡片 */
  .checknow-services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .checknow-service-card--core,
  .checknow-service-card--support {
    padding: 24px 16px;
  }

  .checknow-service-icon {
    font-size: 32px;
  }

  .checknow-service-title {
    font-size: 17px;
  }

  .checknow-service-tags {
    margin-bottom: 12px;
  }

  /* CTA */
  .checknow-cta-section {
    padding: 60px 0;
  }

  .checknow-cta-title {
    font-size: 26px;
  }

  .checknow-cta-desc {
    font-size: 15px;
  }

  .checknow-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .checknow-btn {
    width: 100%;
    justify-content: center;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .checknow-services-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .checknow-service-card--core,
  .checknow-service-card--support {
    padding: 20px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .checknow-service-card--core {
    border-left-width: 3px;
  }

  .checknow-service-icon {
    font-size: 28px;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .checknow-service-title {
    font-size: 15px;
    margin-bottom: 0;
  }

  .checknow-service-tags {
    display: none;
  }

  .checknow-service-arrow {
    opacity: 1;
    transform: none;
    margin-left: auto;
  }

  .checknow-cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .checknow-cta-buttons .checknow-btn {
    justify-content: center;
  }
}