/* 快连 subsite 1：页头 / 页脚（与 index 一致） */
:root {
  --kl-primary: #4051ee;
  --kl-accent: #e44eb6;
  --kl-gradient: linear-gradient(135deg, #4051ee 0%, #e44eb6 100%);
  --kl-text: #0f172a;
  --kl-muted: #64748b;
  --kl-bg: #f8fafc;
  --kl-border: #e2e8f0;
  --kl-radius: 12px;
  --kl-header-h: 64px;
  --kl-max: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.kl-body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--kl-text);
  background: var(--kl-bg);
}

.kl-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--kl-border);
  backdrop-filter: blur(10px);
}

.kl-header-inner {
  max-width: var(--kl-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  min-height: var(--kl-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.kl-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--kl-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.kl-logo:hover {
  color: var(--kl-primary);
}

.kl-logo-img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.kl-logo-img--footer {
  height: 36px;
  max-width: 160px;
  margin-bottom: 0.75rem;
  opacity: 0.95;
}

.kl-nav-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem 1.25rem;
}

.kl-nav-main a:not(.kl-header-cta) {
  color: var(--kl-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.kl-nav-main a:not(.kl-header-cta):hover,
.kl-nav-main a:not(.kl-header-cta)[aria-current="page"] {
  color: var(--kl-primary);
  border-bottom-color: var(--kl-accent);
}

.kl-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.25rem;
  padding: 0.55rem 1.15rem;
  background: var(--kl-gradient);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.2;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  border-bottom: none;
  transition: filter 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 14px rgba(64, 81, 238, 0.25);
  flex-shrink: 0;
}

.kl-nav-main a.kl-header-cta:hover {
  color: #fff !important;
  border-bottom-color: transparent;
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(228, 78, 182, 0.22);
}

.kl-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--kl-border);
  border-radius: var(--kl-radius);
  background: #fff;
  cursor: pointer;
  color: var(--kl-text);
}

.kl-menu-toggle:focus-visible {
  outline: 2px solid var(--kl-primary);
  outline-offset: 2px;
}

.kl-nav-panel {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--kl-border);
  background: #fff;
  padding: 0.5rem 1.25rem 1rem;
}

.kl-nav-panel.is-open {
  display: flex;
}

.kl-nav-panel a {
  padding: 0.85rem 0;
  border-bottom: 1px solid #f1f5f9;
  color: var(--kl-text);
  text-decoration: none;
  font-weight: 500;
}

.kl-nav-panel a:last-child {
  border-bottom: none;
}

@media (max-width: 900px) {
  .kl-nav-main {
    display: none;
  }

  .kl-menu-toggle {
    display: inline-flex;
  }
}

@media (min-width: 901px) {
  .kl-nav-panel {
    display: none !important;
  }
}

.kl-site-footer {
  background: #0f172a;
  color: #94a3b8;
  font-size: 0.875rem;
  margin-top: 0;
}

.kl-footer-inner {
  max-width: var(--kl-max);
  margin: 0 auto;
  padding: 3rem 1.25rem 2rem;
}

.kl-footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  padding-bottom: 2rem;
}

@media (min-width: 640px) {
  .kl-footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
  }
}

.kl-footer-brand .kl-logo {
  color: #f8fafc;
  margin-bottom: 0.75rem;
}

.kl-footer-brand .kl-logo:hover {
  color: #c7d2fe;
}

.kl-footer-brand p {
  margin: 0;
  line-height: 1.65;
  max-width: 28rem;
}

.kl-footer-col h3 {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #e2e8f0;
}

.kl-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kl-footer-links li {
  margin-bottom: 0.5rem;
}

.kl-footer-links a {
  color: #94a3b8;
  text-decoration: none;
}

.kl-footer-links a:hover {
  color: #fff;
}

.kl-footer-bottom {
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: #64748b;
}

.kl-footer-bottom p {
  margin: 0.35rem 0;
}