/* Aligned with the existing cqqingzhu.com core-product pages. */
.official-theme {
  --blue: #007dff;
  --navy: #001329;
  --ink: #1a1a1a;
  --muted: #666;
  --green: #007dff;
  --deep: #007dff;
  --light: #f5f5f5;
  color: var(--ink);
  background: #fff;
  font-family: "Source Han Sans CN", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
.official-theme a:focus-visible, .official-theme button:focus-visible { outline-color: #007dff; }
.official-theme .wrap, .detail-wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.official-theme header { height: 80px; position: fixed; inset: 0 0 auto; padding: 0; border-bottom: 1px solid #ffffff33; background: rgba(0, 13, 26, .98); color: #fff; z-index: 30; }
.site-header-inner { width: min(1440px, 100%); height: 100%; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.official-theme .brand { width: 118px; height: 80px; }
.official-theme .brand img { width: 118px; height: 80px; max-height: none; object-fit: contain; filter: brightness(0) invert(1); }
.official-theme header nav { height: 100%; gap: 60px; margin-right: 60px; font-size: 16px; }
.official-theme header nav > a, .official-theme .dropdown > button { display: flex; align-items: center; height: 80px; padding: 0; color: #dce6ef; position: relative; font-weight: 400; }
.official-theme header nav > a:hover, .official-theme .dropdown > button { color: #fff; }
.official-theme .dropdown > button::after { content: ""; height: 2px; background: #fff; position: absolute; bottom: 0; left: 0; right: 0; }
.official-theme .dropdown { height: 100%; }
.official-theme .menu { top: 80px; left: -28px; width: 285px; padding: 24px 28px; border: 0; background: #fff; color: #555; box-shadow: 0 8px 24px #00132922; }
.official-theme .menu strong { display: block; font-weight: 400; color: #007dff; margin-bottom: 12px; }
.official-theme .menu a { padding: 8px 0; font-size: 14px; }
.official-theme .menu a:hover { color: #007dff; background: transparent; }
.official-theme .menu a[aria-current=page] { color: #007dff; }
.official-theme footer { padding: 40px 0 0; color: #a1a9b2; background: #001329 url("assets/ai-tech-background.png") center / cover no-repeat; font-size: 13px; }
.footer-inner { width: min(1440px, calc(100% - 48px)); margin: auto; display: grid; grid-template-columns: 1.5fr .75fr .75fr .75fr 1.2fr .75fr 1.6fr; gap: 28px; padding-bottom: 40px; }
.footer-brand img { width: 118px; height: 80px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { margin-top: 10px; font-size: 14px; white-space: nowrap; }
.footer-col strong { color: #007dff; font-size: 14px; display: block; margin: 0 0 24px; }
.footer-col a, .footer-col p { display: block; margin: 0 0 11px; font-size: 12px; line-height: 1.7; }
.footer-col a:hover { color: #fff; }
.footer-contact a { overflow-wrap: anywhere; }
.official-theme .copyright { border-top: 1px solid #a1a9b233; padding: 20px 24px 36px; text-align: center; display: block; width: 100%; font-size: 12px; color: #a1a9b2; }
.official-theme .copyright a:hover { color: #fff; }
.product-banner { height: 500px; position: relative; isolation: isolate; background: #031126; color: #fff; overflow: hidden; }
.product-banner::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: linear-gradient(90deg, #061a31 0%, #061a31f2 42%, #061a3100 64%); }
.banner-inner { width: 100%; height: 100%; position: relative; }
.banner-copy { position: absolute; z-index: 1; left: max(40px, calc((100% - 1230px) / 2)); top: 185px; width: min(616px, 45vw); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: #fff; text-shadow: none; }
.banner-copy h1 { font-size: 30px; line-height: 40px; font-weight: 700; padding: 8px; margin: 0 0 30px; }
.banner-copy > p { font-size: 20px; line-height: 32px; font-weight: 400; padding: 8px; margin: 0; text-align: left; }
.detail-section { padding: 100px 0; background: #fff; }
.detail-section.gray { background: #f5f5f5; }
.section-title { text-align: center; margin: 0 0 40px; }
.section-title h2 { font-size: 32px; font-weight: 700; line-height: 1.5; color: #1a1a1a; }
.section-title > span { display: block; margin-top: 5px; color: #999; font-size: 16px; line-height: 1.5; }
.section-title::after { content: ""; display: block; width: 28px; height: 4px; border-radius: 10px; background: #1a1a1a; margin: 40px auto 0; }
.section-intro { color: #333; text-align: center; font-size: 16px; line-height: 1.8; margin: 0 auto 56px; }
.section-intro strong { font-weight: 400; }
.capability-map { padding: 0 40px 36px; margin-top: 72px; position: relative; border: 1px dashed #69b8ff; background: #f0f9ff; }
.capability-root { width: min(384px, 90%); margin: -36px auto 36px; padding: 16px 20px; background: #007dff; color: #fff; text-align: center; font-size: 25px; font-weight: 700; position: relative; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px 42px; position: relative; }
.capability { text-align: center; position: relative; min-width: 0; }
.capability h3 { margin: 0 0 17px; padding: 12px 14px; border-radius: 50px; background: #fff; color: #007dff; font-size: 18px; line-height: 1.5; box-shadow: 0 4px 10px #007dff20; font-weight: 400; }
.capability p { font-size: 14px; color: #555; line-height: 1.9; text-align: justify; padding: 0 8px; }
.compute-capability { margin-top: 32px; padding-top: 28px; border-top: 1px dashed #78bdff; text-align: center; }
.compute-capability h3 { color: #007dff; margin: 0 0 12px; font-size: 20px; font-weight: 400; }
.compute-capability p { max-width: 980px; margin: auto; font-size: 14px; color: #555; line-height: 1.9; }
.compute-capability .compute-items { justify-content: center; color: #007dff; font-size: 14px; margin-top: 18px; gap: 12px 36px; }
.architecture-board { background: #fff; padding: 40px; display: grid; gap: 18px; }
.architecture-row { display: grid; grid-template-columns: 140px 1fr; gap: 28px; align-items: center; --layer-color: #1687ff; --layer-bg: #f0f9ff; }
.architecture-row:nth-child(2) { --layer-color: #47a936; --layer-bg: #edf7e9; }
.architecture-row:nth-child(3) { --layer-color: #dca400; --layer-bg: #fffaed; }
.architecture-row:nth-child(4) { --layer-color: #f77b30; --layer-bg: #fff5ed; }
.architecture-row:nth-child(5) { --layer-color: #8f68c7; --layer-bg: #f6f1fc; }
.architecture-label { text-align: center; color: var(--layer-color); }
.architecture-label > span { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; margin: 0 auto 10px; background: var(--layer-color); color: #fff; font-size: 16px; }
.architecture-label h3 { font-size: 19px; margin: 0; font-weight: 400; }
.architecture-nodes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; border: 1px dotted var(--layer-color); padding: 28px 18px; background: var(--layer-bg); }
.architecture-nodes span { padding: 11px 7px; border-radius: 32px; text-align: center; background: #fff; color: var(--layer-color); font-size: 15px; box-shadow: 0 3px 8px color-mix(in srgb, var(--layer-color) 18%, transparent); }
.architecture-governance { margin: 6px 0 0 168px; border: 1px dashed #75a5d5; background: #f3f8fe; padding: 19px 12px; text-align: center; color: #547394; font-size: 14px; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 42px; }
.scenario-item { padding: 0 24px 24px; text-align: center; border-bottom: 1px solid #e5e5e5; }
.scenario-item > span { display: block; margin-bottom: 15px; color: #77b9fa; font-size: 28px; font-weight: 300; }
.scenario-item h3 { color: #007dff; font-size: 21px; margin: 0 0 13px; font-weight: 400; }
.scenario-item b { color: #333; font-size: 16px; font-weight: 400; }
.scenario-item .scenario-services { display: block; text-wrap: balance; }
.scenario-services > span { white-space: nowrap; }
.scenario-item p { margin-top: 13px; font-size: 14px; color: #666; line-height: 1.9; }
.detail-page .note { color: #999; font-size: 12px; text-align: center; margin-top: 26px; }
.display-tabs { display: flex; justify-content: center; gap: 20px; margin: 0 0 32px; border-bottom: 1px solid #ddd; }
.display-tabs button { padding: 13px 24px 17px; font-size: 16px; border-bottom: 2px solid transparent; }
.display-tabs button[aria-selected=true] { color: #007dff; border-color: #007dff; }
.detail-page .display-heading { padding: 0 0 24px; }
.detail-page .display-heading h3 { font-size: 21px; font-weight: 400; }
.detail-page .display-heading p { font-size: 14px; color: #666; margin-top: 8px; }
.detail-page #open-image { border: 1px solid #e5e5e5; padding: 32px; border-radius: 0; box-shadow: none; cursor: zoom-in; }
.detail-page #open-image img { width: 100%; height: 590px; max-height: none; object-fit: contain; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; }
.service-item { text-align: center; padding: 0 14px; }
.service-item > span { display: block; width: 54px; height: 54px; line-height: 54px; margin: 0 auto 24px; border: 1px solid #a9d3ff; color: #007dff; border-radius: 50%; font-size: 20px; }
.service-item h3 { font-size: 19px; font-weight: 400; margin: 0 0 15px; }
.service-item p { color: #666; font-size: 14px; line-height: 1.9; }
.consult-section { padding: 65px 0; text-align: center; background: #f5f5f5; }
.consult-section h2 { font-size: 28px; font-weight: 400; }
.consult-section p { margin: 14px 0 28px; color: #666; font-size: 16px; }
.consult-links { display: flex; justify-content: center; gap: 20px; align-items: center; flex-wrap: wrap; }
.consult-links a { padding: 11px 25px; font-size: 15px; color: #007dff; border: 1px solid #007dff; }
.consult-links a:first-child { background: #007dff; color: #fff; }
.detail-page dialog { border-radius: 0; }
.detail-page dialog::backdrop { background: #001329e6; }
/* Content enters once as it reaches the viewport; layout space stays reserved. */
.scroll-reveal { opacity: 0; transform: translateY(40px); }
.scroll-reveal.is-visible, .scroll-reveal:focus-within { opacity: 1; transform: translateY(0); transition: opacity 1.4s cubic-bezier(.22,.61,.36,1) var(--reveal-delay,0ms), transform 1.4s cubic-bezier(.22,.61,.36,1) var(--reveal-delay,0ms); }
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal, .scroll-reveal.is-visible, .scroll-reveal:focus-within { opacity: 1; transform: none; transition: none; }
}
@media print {
  .scroll-reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}
/* The local product overview uses the same official navigation and product rhythm. */
.index-page main { padding-top: 80px; }
.index-page .preview { background: #f5f5f5; }
.index-page .section { padding: 80px 0; }
.index-page .heading { margin-bottom: 40px; align-items: center; }
.index-page .heading h1 { font-size: 32px; font-weight: 700; letter-spacing: 0; }
.index-page .heading h1 span { display: none; }
.index-page .heading small { font-size: 22px; color: #999; letter-spacing: 0; margin: 6px 0 0; }
.index-page .heading > div { display: flex; flex-direction: column-reverse; }
.index-page .product { grid-template-columns: 1.45fr 1fr; gap: 80px; }
.index-page .product > div:first-child { grid-column: 2; grid-row: 1; }
.index-page .product > .art { grid-column: 1; grid-row: 1; }
.index-page .product h2 { font-size: 25px; font-weight: 700; letter-spacing: 0; }
.index-page .product h2 br { display: none; }
.index-page .product p { font-size: 16px; line-height: 2.1; margin-top: 30px; color: #999; }
.index-page .tabs { gap: 30px; }
.index-page .tabs button[aria-selected=true] { color: #007dff; border-color: #007dff; }
.index-page .points { color: #777; margin: 20px 0; font-size: 13px; }
.index-page #label, .index-page .caption, .index-page .chrome, .index-page .connections { display: none; }
.index-page .art { padding: 0; background: #fff; }
.index-page .screen { border-radius: 0; border-color: #eee; box-shadow: none; }
.index-page .tilt { transform: none; width: 100%; margin: 0; }
.index-page .btn { background: #f5f5f5; color: #333; padding: 10px 28px; }
.index-page .btn:hover { background: #007dff; color: #fff; transform: none; }
.index-page .next { background: #f5f5f5; }
@media (min-width: 1921px) {
  .banner-copy { left: calc((100% - 1230px) / 2); }
}
@media (max-width: 1200px) {
  .site-header-inner { width: calc(100% - 40px); }
  .banner-copy { left: 75px; top: 155px; max-width: calc(100% - 150px); }
}
@media (max-width: 1100px) {
  .official-theme header nav { gap: 30px; margin-right: 0; }
  .official-theme header nav > a:nth-last-child(-n+3) { display: flex; }
  .footer-inner { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .capability-map { padding-left: 24px; padding-right: 24px; }
  .capability-grid { gap: 30px 24px; }
  .capability h3 { font-size: 16px; }
  .architecture-board { padding: 28px; }
  .architecture-row { grid-template-columns: 110px 1fr; gap: 20px; }
  .architecture-nodes { gap: 12px; padding: 24px 14px; }
  .architecture-nodes span { font-size: 13px; }
  .architecture-governance { margin-left: 130px; }
  .index-page .product { gap: 40px; }
}
@media (max-width: 700px) {
  .official-theme .wrap, .detail-wrap { width: calc(100% - 36px); }
  .official-theme header, .official-theme .brand, .official-theme .brand img { height: 64px; }
  .site-header-inner { width: calc(100% - 36px); gap: 16px; }
  .official-theme .brand, .official-theme .brand img { width: 108px; }
  .official-theme header nav { gap: 24px; margin-right: 0; font-size: 13px; }
  .official-theme header nav > a, .official-theme .dropdown > button { height: 64px; font-size: 13px; }
  .official-theme header nav > a:not(:first-child) { display: none; }
  .official-theme .menu { top: 64px; left: auto; right: 0; width: min(285px, calc(100vw - 36px)); }
  .product-banner { height: 500px; background: #031126; }
  .product-banner::before { display: none; }
  .banner-copy { left: 24px; right: 24px; top: 140px; width: auto; max-width: none; }
  .banner-copy h1 { font-size: 27px; line-height: 1.5; padding: 0; margin-bottom: 30px; }
  .banner-copy > p { font-size: 17px; line-height: 1.8; padding: 0; }
  .detail-section { padding: 60px 0; }
  .section-title { margin-bottom: 32px; }
  .section-title h2 { font-size: 27px; }
  .section-title > span { font-size: 15px; }
  .section-title::after { margin-top: 28px; }
  .section-intro { font-size: 14px; text-align: left; margin-bottom: 36px; }
  .capability-map { margin-top: 62px; padding: 0 18px 25px; }
  .capability-root { font-size: 20px; margin-top: -28px; margin-bottom: 34px; padding: 12px 8px; }
  .capability-grid { grid-template-columns: 1fr; gap: 27px; }
  .capability h3 { font-size: 17px; margin-bottom: 12px; }
  .capability p { font-size: 14px; padding: 0 4px; }
  .compute-capability h3 { font-size: 18px; }
  .compute-capability p { text-align: justify; }
  .compute-capability .compute-items { font-size: 12px; gap: 12px 18px; }
  .architecture-board { padding: 20px 14px; gap: 24px; }
  .architecture-row { grid-template-columns: 1fr; gap: 14px; }
  .architecture-label { display: flex; justify-content: center; align-items: center; gap: 10px; }
  .architecture-label > span { width: 30px; height: 30px; font-size: 12px; margin: 0; }
  .architecture-label h3 { font-size: 18px; }
  .architecture-nodes { grid-template-columns: repeat(2, 1fr); padding: 18px 12px; gap: 13px; }
  .architecture-nodes span { font-size: 13px; padding: 9px 4px; }
  .architecture-governance { margin: 0; font-size: 12px; line-height: 1.9; }
  .scenario-grid { grid-template-columns: 1fr; gap: 28px; }
  .scenario-item { padding: 0 8px 25px; }
  .scenario-item > span { font-size: 25px; margin-bottom: 9px; }
  .scenario-item h3 { font-size: 20px; }
  .display-tabs { justify-content: flex-start; overflow-x: auto; gap: 18px; }
  .display-tabs button { padding: 12px 0 16px; white-space: nowrap; font-size: 14px; }
  .detail-page .display-heading { gap: 12px; }
  .detail-page .display-heading h3 { font-size: 18px; }
  .detail-page .display-heading p { font-size: 13px; }
  .detail-page .display-heading button { font-size: 12px; }
  .detail-page #open-image { padding: 10px; }
  .detail-page #open-image img { height: auto; aspect-ratio: 1.82; object-fit: contain; }
  .service-grid { grid-template-columns: repeat(2, 1fr); gap: 35px 20px; }
  .service-item { padding: 0; }
  .service-item h3 { font-size: 17px; }
  .service-item p { font-size: 13px; }
  .consult-section { padding: 50px 0; }
  .consult-section h2 { font-size: 24px; }
  .consult-section p { font-size: 14px; }
  .consult-links { gap: 14px; }
  .consult-links a { font-size: 14px; }
  .footer-inner { width: calc(100% - 36px); grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }
  .footer-col strong { margin-bottom: 16px; }
  .footer-contact { grid-column: 1 / -1; }
  .official-theme .copyright { padding: 20px 18px 28px; font-size: 11px; }
  .index-page main { padding-top: 64px; }
  .index-page .section { padding: 45px 0; }
  .index-page .heading h1 { font-size: 28px; }
  .index-page .heading small { font-size: 19px; }
  .index-page .product { grid-template-columns: 1fr; gap: 30px; }
  .index-page .product > div:first-child { grid-column: 1; grid-row: 2; }
  .index-page .product > .art { grid-column: 1; grid-row: 1; }
  .index-page .product h2 { font-size: 24px; }
  .index-page .product p { font-size: 14px; margin-top: 18px; }
}