@charset "UTF-8";
/**
 * Xinyun AI content system
 * Scope: .xy-ai-content and its preview host only.
 * Version: 2026-08-21.1
 */

.xy-ai-content,
.xy-ai-preview .xy-ai-content {
  --xy-blue-900: #102f54;
  --xy-blue-800: #174a80;
  --xy-blue-700: #1765a7;
  --xy-blue-600: #1e7fc1;
  --xy-blue-100: #eaf5fc;
  --xy-blue-050: #f6fbfe;
  --xy-orange-600: #f18427;
  --xy-orange-100: #fff0df;
  --xy-ink: #17324d;
  --xy-copy: #435d73;
  --xy-muted: #71869a;
  --xy-line: #d8e6f0;
  --xy-surface: #ffffff;
  --xy-success: #18856d;
  --xy-warning: #ae6b19;
  --xy-shadow: 0 18px 48px rgba(17, 64, 103, .10);
  width: 100%;
  max-width: 100%;
  margin: 24px 0;
  color: var(--xy-copy);
  font-family: Arial, "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.xy-ai-content *,
.xy-ai-preview .xy-ai-content * {
  box-sizing: border-box;
}

.xy-ai-content > :first-child { margin-top: 0; }
.xy-ai-content > :last-child { margin-bottom: 0; }

.xy-ai-content h2,
.xy-ai-content h3,
.xy-ai-content h4 {
  color: var(--xy-ink);
  font-weight: 750;
  letter-spacing: -.012em;
}

.xy-ai-content h2 {
  position: relative;
  margin: 42px 0 18px;
  padding: 0 0 12px 18px;
  border-bottom: 1px solid var(--xy-line);
  font-size: clamp(25px, 2.4vw, 34px);
  line-height: 1.25;
}

.xy-ai-content h2::before {
  position: absolute;
  top: .15em;
  bottom: .3em;
  left: 0;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--xy-orange-600), var(--xy-blue-600));
  content: "";
}

.xy-ai-content h3 {
  margin: 30px 0 12px;
  color: var(--xy-blue-800);
  font-size: clamp(20px, 1.7vw, 24px);
  line-height: 1.35;
}

.xy-ai-content h4 {
  margin: 22px 0 9px;
  font-size: 18px;
  line-height: 1.4;
}

.xy-ai-content p { margin: 0 0 16px; }

.xy-ai-content a {
  color: var(--xy-blue-700);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: rgba(23, 101, 167, .35);
  text-underline-offset: 3px;
}

.xy-ai-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
  border-radius: 16px;
  box-shadow: var(--xy-shadow);
}

.xy-ai-content ul,
.xy-ai-content ol {
  margin: 12px 0 22px;
  padding-left: 1.4em;
}

.xy-ai-content li { margin: 7px 0; }
.xy-ai-content li::marker { color: var(--xy-orange-600); font-weight: 700; }

.xy-ai-content blockquote,
.xy-ai-content .xy-ai-note {
  margin: 24px 0;
  padding: 18px 22px;
  border: 1px solid #cfe4f1;
  border-left: 5px solid var(--xy-blue-600);
  border-radius: 0 14px 14px 0;
  background: var(--xy-blue-050);
  color: #31536f;
}

.xy-ai-content .xy-ai-hero {
  position: relative;
  isolation: isolate;
  margin: 0 0 30px;
  padding: clamp(28px, 5vw, 58px);
  overflow: hidden;
  border: 1px solid #d2e5f2;
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 0, rgba(241, 132, 39, .18), transparent 34%),
    linear-gradient(135deg, #f8fcff 0%, #eaf5fc 100%);
  box-shadow: var(--xy-shadow);
}

.xy-ai-content .xy-ai-hero::after {
  position: absolute;
  right: -48px;
  bottom: -72px;
  z-index: -1;
  width: 220px;
  height: 220px;
  border: 36px solid rgba(30, 127, 193, .09);
  border-radius: 50%;
  content: "";
}

.xy-ai-content .xy-ai-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--xy-orange-100);
  color: #8f531b;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.xy-ai-content .xy-ai-hero h2 {
  max-width: 850px;
  margin: 0 0 15px;
  padding: 0;
  border: 0;
  color: var(--xy-blue-900);
  font-size: clamp(30px, 4vw, 50px);
}

.xy-ai-content .xy-ai-hero h2::before { display: none; }

.xy-ai-content .xy-ai-lead {
  max-width: 850px;
  margin: 0;
  color: #3e607a;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.7;
}

.xy-ai-content .xy-ai-feature-grid,
.xy-ai-content .xy-ai-application-grid,
.xy-ai-content .xy-ai-fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0 30px;
}

.xy-ai-content .xy-ai-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--xy-line);
  border-radius: 16px;
  background: var(--xy-surface);
  box-shadow: 0 10px 28px rgba(17, 64, 103, .07);
}

.xy-ai-content .xy-ai-card h3,
.xy-ai-content .xy-ai-card h4 { margin-top: 0; }

.xy-ai-content .xy-ai-card p:last-child,
.xy-ai-content .xy-ai-card ul:last-child { margin-bottom: 0; }

.xy-ai-content .xy-ai-spec-table,
.xy-ai-content .xy-ai-compare-table {
  width: 100%;
  margin: 24px 0 30px;
  overflow-x: auto;
  border: 1px solid var(--xy-line);
  border-radius: 16px;
  background: var(--xy-surface);
  box-shadow: 0 10px 28px rgba(17, 64, 103, .06);
  -webkit-overflow-scrolling: touch;
}

.xy-ai-content .xy-ai-spec-table table,
.xy-ai-content .xy-ai-compare-table table,
.xy-ai-content table {
  width: 100%;
  min-width: 620px;
  border: 0;
  border-collapse: collapse;
  background: var(--xy-surface);
}

.xy-ai-content th,
.xy-ai-content td {
  padding: 13px 16px;
  border: 0;
  border-bottom: 1px solid var(--xy-line);
  text-align: left;
  vertical-align: top;
}

.xy-ai-content th {
  background: var(--xy-blue-050);
  color: var(--xy-blue-900);
  font-weight: 750;
}

.xy-ai-content tr:last-child td { border-bottom: 0; }
.xy-ai-content tbody tr:nth-child(even) td { background: #fbfdff; }

.xy-ai-content .xy-ai-timeline {
  position: relative;
  margin: 26px 0 34px;
  padding-left: 38px;
}

.xy-ai-content .xy-ai-timeline::before {
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 12px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(var(--xy-orange-600), var(--xy-blue-600));
  content: "";
}

.xy-ai-content .xy-ai-step {
  position: relative;
  margin: 0 0 18px;
  padding: 18px 20px;
  border: 1px solid var(--xy-line);
  border-radius: 14px;
  background: var(--xy-surface);
}

.xy-ai-content .xy-ai-step::before {
  position: absolute;
  top: 22px;
  left: -34px;
  width: 13px;
  height: 13px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--xy-orange-600);
  box-shadow: 0 0 0 2px var(--xy-orange-600);
  content: "";
}

.xy-ai-content .xy-ai-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: center;
  margin: 28px 0 36px;
}

.xy-ai-content .xy-ai-media > * { min-width: 0; }
.xy-ai-content .xy-ai-media img { margin: 0; }

.xy-ai-content .xy-ai-faq {
  margin: 26px 0 34px;
  border-top: 1px solid var(--xy-line);
}

.xy-ai-content .xy-ai-faq details {
  border-bottom: 1px solid var(--xy-line);
  background: var(--xy-surface);
}

.xy-ai-content .xy-ai-faq summary {
  position: relative;
  padding: 18px 42px 18px 0;
  color: var(--xy-ink);
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

.xy-ai-content .xy-ai-faq summary::-webkit-details-marker { display: none; }
.xy-ai-content .xy-ai-faq summary::after {
  position: absolute;
  top: 17px;
  right: 8px;
  color: var(--xy-blue-700);
  font-size: 22px;
  content: "+";
}
.xy-ai-content .xy-ai-faq details[open] summary::after { content: "−"; }
.xy-ai-content .xy-ai-faq details > :not(summary) { padding-right: 42px; }

.xy-ai-content .xy-ai-cta {
  margin: 36px 0 0;
  padding: clamp(24px, 4vw, 42px);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--xy-blue-900), var(--xy-blue-700));
  color: #eaf5fc;
  box-shadow: var(--xy-shadow);
}

.xy-ai-content .xy-ai-cta h2,
.xy-ai-content .xy-ai-cta h3 { margin-top: 0; padding-left: 0; border: 0; color: #fff; }
.xy-ai-content .xy-ai-cta h2::before { display: none; }
.xy-ai-content .xy-ai-cta a { color: #fff; text-decoration-color: rgba(255, 255, 255, .55); }

.xy-ai-content.xy-layout-product-decision .xy-ai-feature-grid .xy-ai-card:first-child {
  border-color: #f3c89f;
  background: linear-gradient(145deg, #fff, #fff8f0);
}

.xy-ai-content.xy-layout-product-process .xy-ai-hero {
  background:
    linear-gradient(135deg, rgba(16, 47, 84, .96), rgba(23, 101, 167, .92)),
    var(--xy-blue-900);
}
.xy-ai-content.xy-layout-product-process .xy-ai-hero h2,
.xy-ai-content.xy-layout-product-process .xy-ai-hero .xy-ai-lead { color: #fff; }
.xy-ai-content.xy-layout-product-process .xy-ai-timeline { max-width: 940px; }

.xy-ai-content.xy-layout-product-engineering .xy-ai-fact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.xy-ai-content.xy-layout-product-engineering .xy-ai-card {
  border-top: 4px solid var(--xy-blue-700);
}

.xy-ai-content.xy-layout-blog-technical h2::before { background: var(--xy-blue-600); }
.xy-ai-content.xy-layout-blog-buying-guide .xy-ai-card { border-top: 4px solid var(--xy-orange-600); }
.xy-ai-content.xy-layout-blog-comparison .xy-ai-compare-table { border-color: #bcd7e9; }
.xy-ai-content.xy-layout-blog-how-to .xy-ai-step::before { background: var(--xy-success); box-shadow: 0 0 0 2px var(--xy-success); }
.xy-ai-content.xy-layout-blog-troubleshooting .xy-ai-note { border-left-color: var(--xy-warning); background: #fff9ef; }
.xy-ai-content.xy-layout-blog-faq .xy-ai-faq summary { font-size: 1.06em; }

@media (max-width: 980px) {
  .xy-ai-content .xy-ai-feature-grid,
  .xy-ai-content .xy-ai-application-grid,
  .xy-ai-content .xy-ai-fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .xy-ai-content {
    margin: 18px 0;
    font-size: 15px;
    line-height: 1.7;
  }

  .xy-ai-content h2 { margin-top: 34px; font-size: 25px; }
  .xy-ai-content h3 { font-size: 20px; }
  .xy-ai-content .xy-ai-hero { padding: 24px 20px; border-radius: 18px; }
  .xy-ai-content .xy-ai-hero h2 { font-size: 30px; }

  .xy-ai-content .xy-ai-feature-grid,
  .xy-ai-content .xy-ai-application-grid,
  .xy-ai-content .xy-ai-fact-grid,
  .xy-ai-content.xy-layout-product-engineering .xy-ai-fact-grid,
  .xy-ai-content .xy-ai-media {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .xy-ai-content .xy-ai-card { padding: 18px; }
  .xy-ai-content .xy-ai-media img { width: 100%; }
  .xy-ai-content .xy-ai-timeline { padding-left: 32px; }
  .xy-ai-content .xy-ai-timeline::before { left: 9px; }
  .xy-ai-content .xy-ai-step::before { left: -31px; }
  .xy-ai-content th,
  .xy-ai-content td { padding: 11px 12px; }
  .xy-ai-content .xy-ai-cta { padding: 24px 20px; border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .xy-ai-content *,
  .xy-ai-content *::before,
  .xy-ai-content *::after {
    scroll-behavior: auto;
    transition: none;
  }
}