@import url("/wp-content/uploads/elementor/google-fonts/css/inter_35047235.css");

:root {
  --caiad-black: #0d1117;
  --caiad-white: #ffffff;
  --caiad-orange: #ff8204;
  --caiad-gray: #6b7280;
  --caiad-border: #e5e7eb;
  --caiad-bg: #f9fafb;
}

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

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: var(--caiad-black);
  background: var(--caiad-white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--caiad-orange);
}

.caiad-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--caiad-border);
  position: sticky;
  top: 0;
  background: var(--caiad-white);
  z-index: 100;
}

.caiad-header .caiad-nav {
  flex: 1 1 auto;
  justify-content: center;
}

.caiad-lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--caiad-border);
  border-radius: 999px;
  background: #fff;
}

.caiad-lang-switcher__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--caiad-black);
  opacity: 0.72;
  line-height: 1;
}

.caiad-lang-switcher__link:hover {
  opacity: 1;
  color: var(--caiad-orange);
}

.caiad-lang-switcher__link--active {
  background: var(--caiad-orange);
  color: #fff;
  opacity: 1;
}

html[lang="zh-CN"] .caiad-nav__link,
html[lang="ru"] .caiad-nav__link {
  font-size: 0.88rem;
}

@media (max-width: 1024px) {
  .caiad-header {
    padding: 1rem 1.25rem;
  }

  .caiad-header .caiad-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .caiad-header .caiad-lang-switcher {
    margin-left: auto;
  }
}

.caiad-header__logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.caiad-nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.caiad-nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.85;
}

.caiad-nav__link--active {
  opacity: 1;
  border-bottom: 2px solid var(--caiad-orange);
  padding-bottom: 2px;
}

.caiad-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.caiad-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.caiad-lead {
  font-size: 1.2rem;
  color: var(--caiad-gray);
  margin: 0 0 2.5rem;
  max-width: 640px;
}

.caiad-section,
.caiad-article {
  padding: 2rem 0;
  border-top: 1px solid var(--caiad-border);
}

.caiad-section:first-child,
.caiad-article:first-child {
  border-top: none;
  padding-top: 0;
}

.caiad-section h2,
.caiad-article h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.caiad-section p,
.caiad-article p {
  margin: 0 0 1rem;
  color: #374151;
}

.caiad-section ul {
  margin: 0;
  padding-left: 1.25rem;
  color: #374151;
}

.caiad-section li {
  margin-bottom: 0.35rem;
}

.caiad-article time {
  display: block;
  font-size: 0.85rem;
  color: var(--caiad-gray);
  margin-bottom: 0.5rem;
}

.caiad-cta {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--caiad-bg);
  border-radius: 8px;
  font-weight: 500;
}

.caiad-footer {
  background: var(--caiad-black);
  color: var(--caiad-white);
  padding: 3rem 2rem 2rem;
}

.caiad-footer a {
  display: block;
  margin-bottom: 0.4rem;
  opacity: 0.8;
  font-size: 0.9rem;
}

.caiad-footer a:hover {
  opacity: 1;
  color: var(--caiad-orange);
}

.caiad-footer__grid {
  max-width: 1100px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.caiad-footer h6 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.5;
  margin: 0 0 1rem;
}

.caiad-footer__copy {
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.4;
  margin: 0;
}

@media (max-width: 640px) {
  .caiad-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .caiad-nav {
    gap: 1rem;
  }
}