:root { color-scheme: light; --blue: #4385ff; --ink: #262d3c; --muted: #697181; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #75a6ff; outline-offset: 5px; }
h1, h2, h3, p { margin-top: 0; }
p { line-height: 1.9; }
.wrap { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
.cloud-header { position: sticky; top: 0; z-index: 20; background: #2c303a; color: #fff; }
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; min-width: 0; }
.brand > span:last-child { max-width: min(34vw, 390px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 17px; font-weight: 700; line-height: 1.5; }
.brand img { object-fit: contain; max-width: 100px; max-height: 54px; }
.brand-mark { color: #fff; background: var(--blue); padding: 9px; border-radius: 7px; font-weight: 800; }
.header-inner nav { display: flex; align-items: center; gap: 26px; white-space: nowrap; }
.header-inner nav a { position: relative; isolation: isolate; font-size: 16px; font-weight: 600; padding-block: 27px;
  transition: color .2s, text-shadow .2s; }
.header-inner nav a::after { content: ''; position: absolute; right: 0; bottom: 18px; left: 0; height: 2px;
  background: linear-gradient(90deg, #65d7ff, #7b82ff, #c56dff); box-shadow: 0 0 11px #5f9dff;
  transform: scaleX(0); transform-origin: center; transition: transform .25s ease; }
.header-inner nav a:hover, .header-inner nav a.is-active { color: #b8d4ff; text-shadow: 0 0 12px #6ba6ff99; }
.header-inner nav a:hover::after, .header-inner nav a.is-active::after { transform: scaleX(1); }
.cloud-header-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.support-header-phone { display: inline-flex; align-items: center; gap: 6px; border: 0; padding: 5px 0;
  background: transparent; color: #fff; font: 600 14px/1.5 "Microsoft YaHei", sans-serif; white-space: nowrap; }
.support-header-phone img { width: 23px; height: 23px; object-fit: contain; }
.support-header-phone:hover { color: #a7caff; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 13px 26px;
  background: var(--blue); color: #fff; border: 1px solid transparent; border-radius: 5px;
  font-size: 15px; font-weight: 600; transition: background .2s, transform .2s; }
.button:hover { background: #2c6ce3; transform: translateY(-2px); }
.header-cta { padding: 9px 18px; font-size: 13px; white-space: nowrap; }
.header-trial { padding: 9px 16px; font-size: 13px; white-space: nowrap; }
.menu-toggle { display: none; background: none; border: 0; color: #fff; font-size: 25px; }
.hero { position: relative; overflow: hidden; background: #101a32; color: #fff; }
.hero-inner { position: relative; z-index: 1; }
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-inner { min-height: 560px; display: flex; align-items: center; padding-block: 64px 104px; }
.hero-copy { max-width: 585px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 2px; color: var(--blue); }
.hero .eyebrow { color: #a7caff; margin-bottom: 23px; }
.hero h1 { font-size: clamp(32px, 3.3vw, 44px); line-height: 1.4; margin-bottom: 24px; }
.hero-description { font-size: 17px; max-width: 535px; color: #e0e7f5; }
.hero-note { font-size: 15px; letter-spacing: 2px; margin: 25px 0 30px; }
.hero-button { background: linear-gradient(110deg, #5985ff, #8356ed); padding: 14px 33px; }
.entry-strip { position: relative; margin-top: -60px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.entry-tile { background: #fff; border: 1px solid #88b0ff; border-radius: 6px; display: flex;
  align-items: center; gap: 20px; padding: 25px 23px; box-shadow: 0 10px 35px #183d801a;
  transition: transform .2s, box-shadow .2s; min-width: 0; }
.entry-tile:hover { transform: translateY(-5px); box-shadow: 0 14px 35px #183d8033; }
.entry-tile img { width: 58px; height: 58px; object-fit: contain; flex: none; }
.entry-tile h2 { font-size: 17px; margin-bottom: 7px; }
.entry-tile p { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.entry-tile span { color: var(--blue); font-size: 13px; }
.entry-tile b { margin-left: 15px; }
.section { padding-block: 80px; }
.section-heading { text-align: center; margin-bottom: 44px; }
.section-heading h2, .news-heading h2 { font-size: 30px; line-height: 1.5; margin-bottom: 12px; }
.section-heading p { font-size: 15px; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.product-card { position: relative; overflow: hidden; display: flex; align-items: center;
  border: 1px solid #e4eafa; border-radius: 8px; background: linear-gradient(120deg, #fff, #f1f6ff);
  padding: 32px; box-shadow: 0 3px 15px #15295a05; }
.product-card.featured { grid-column: 1 / -1; padding: 38px 44px; }
.product-copy { position: relative; z-index: 1; flex: 1; min-width: 0; }
.product-card h3 { font-size: 23px; margin: 12px 0; }
.product-card p, .product-card li { font-size: 14px; color: var(--muted); line-height: 1.9; }
.product-card ul { padding: 0; margin: 20px 0 24px; list-style: none; }
.product-card li::before, .scene-panel li::before { content: '✓'; color: var(--blue); margin-right: 10px; }
.product-image { width: 34%; object-fit: contain; border-radius: 8px; margin-left: 20px; }
.featured .product-image { width: 43%; max-height: 280px; }
.outline { background: transparent; color: var(--blue); border-color: #a6c2ff; }
.outline:hover { background: #e9f1ff; }
.guarantees { background: #f5f8fe; }
.guarantee-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 30px; text-align: center; }
.guarantee-grid img { height: 62px; width: 62px; object-fit: contain; margin-bottom: 17px; }
.guarantee-grid h3 { font-size: 19px; margin-bottom: 10px; }
.guarantee-grid p { color: var(--muted); font-size: 13px; margin: 0; }
.scene-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid #e4eaf6; }
.scene-tabs button { display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 20px 12px; background: #fff; border: 0; border-bottom: 3px solid transparent; color: #596273; }
.scene-tabs img { width: 32px; height: 32px; object-fit: contain; }
.scene-tabs [aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); background: #f7faff; }
.scene-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; align-items: center; padding: 40px; }
.scene-panel h3 { font-size: 25px; line-height: 1.7; }
.scene-panel p { font-size: 15px; color: var(--muted); }
.scene-panel ul { list-style: none; padding: 0; line-height: 2.6; font-size: 14px; }
.scene-panel > img { width: 100%; max-height: 300px; object-fit: contain; }
.advantages { background: linear-gradient(120deg, #edf4ff, #f7f9fd); }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.advantage-grid article { background: #ffffffb3; border: 1px solid #fff; border-radius: 8px; padding: 30px 25px; }
.capability-number { display: block; color: #79a4ed; font-size: 34px; font-weight: 300; margin-bottom: 24px; }
.advantage-grid h3 { font-size: 20px; }
.advantage-grid p { color: var(--muted); font-size: 14px; margin: 0; }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.industry-grid article { border: 1px solid #e4eaf4; border-radius: 8px; overflow: hidden; }
.industry-grid img { width: 100%; height: 150px; object-fit: cover; background: #f1f5fc; }
.industry-grid article > div { padding: 24px 22px; }
.industry-grid h3 { font-size: 20px; }
.industry-grid p { font-size: 14px; color: var(--muted); }
.industry-grid span { color: var(--blue); font-size: 12px; line-height: 1.8; }
.news-section { background: #f8faff; }
.cloud-customers { padding-top: 0; }
.cloud-customers figure { margin: 0; min-width: 0; }
.cloud-customers figcaption { text-align: center; font-size: 13px; color: var(--muted); margin-top: 12px; }
.cloud-customers .business-logos { --logo-site-background: #fff; }
.news-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.news-heading a { color: var(--blue); font-size: 14px; }
.news-list { display: grid; gap: 15px; }
.news-link article { display: grid; grid-template-columns: 80px 1fr 24px; gap: 25px; align-items: center;
  padding: 22px; border: 1px solid #eaf0f8; border-radius: 6px; background: #fff; transition: box-shadow .2s; }
.news-link:hover article { box-shadow: 0 8px 30px #30487515; }
.news-link time { display: grid; text-align: center; gap: 7px; padding: 13px 5px;
  color: #6981a7; background: #f0f4fa; border-radius: 5px; }
.news-link time strong { font-size: 27px; }
.news-link time span { font-size: 12px; }
.news-link:hover time { background: var(--blue); color: white; }
.news-link h3 { font-size: 17px; line-height: 1.7; margin: 5px 0; }
.news-link p { color: var(--muted); font-size: 13px; margin: 0; }
.news-category { color: var(--blue); font-size: 12px; }
.news-arrow { color: #83a3d7; font-size: 22px; }
.contact { background: #eaf2ff; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: 64px; }
.contact h2 { font-size: 29px; line-height: 1.5; }
.contact p { color: #657791; font-size: 14px; }
.contact .button { white-space: nowrap; }
.cloud-footer { background: #262d3a; color: #adb7c8; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; padding-block: 55px 35px; }
.footer-brand { font-size: 20px; font-weight: 700; color: white; line-height: 1.7; }
.footer-grid p { font-size: 13px; margin-top: 15px; }
.footer-grid h3 { font-size: 15px; color: #fff; margin-bottom: 22px; }
.footer-grid > div > a:not(.footer-brand) { display: block; font-size: 13px; margin-bottom: 15px; }
.footer-grid a:hover { color: #fff; }
.footer-record { text-align: center; border-top: 1px solid #ffffff15; padding-block: 22px; font-size: 12px; }
.news-banner { padding: 64px 0; color: white; background: linear-gradient(115deg, #18294c, #3464a9); }
.news-banner h1 { font-size: 36px; }
.news-banner p { color: #c7d7f1; margin-bottom: 0; }
.article-page { max-width: 900px; padding-block: 60px 85px; }
.breadcrumb { display: block; font-size: 14px; color: #7c8aa1; margin-bottom: 40px; }
.article-page h1 { font-size: 34px; line-height: 1.6; overflow-wrap: anywhere; }
.article-summary { padding: 22px; border-left: 4px solid var(--blue); background: #f2f6ff; color: #62708a; }
.article-body { font-size: 16px; line-height: 2; padding-block: 16px; overflow-wrap: anywhere; }
.article-body p { white-space: pre-line; margin: 0 0 1.2em; }
.article-body h2, .article-body h3, .article-body h4 { line-height: 1.5; margin: 1.5em 0 .6em; }
.article-body a { color: var(--blue); text-decoration: underline; }
.article-body img { display: block; max-width: 100%; height: auto; margin: 1.2em auto; border-radius: 6px; }
.article-body .wechat-article { max-width: 100%; overflow-x: auto; }
.article-body .wechat-article p { margin: 0; white-space: normal; }
.article-body .wechat-article img { display: inline-block; margin: 0; border-radius: 0; vertical-align: middle; }
.article-body ul, .article-body ol { padding-left: 1.8em; }
.article-body blockquote { margin: 1.2em 0; padding: .8em 1.2em; border-left: 4px solid #a9c5f6;
  background: #f4f7fc; color: #52627b; }
.article-body .news-import-error { padding: 14px 16px; border: 1px solid #e8a4a4;
  background: #fff5f5; color: #a33; white-space: normal; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.2em 0; }
.article-body th, .article-body td { padding: .65em .8em; border: 1px solid #dce5f2; text-align: left; }
.article-body th { background: #f1f5fb; }
.article-source { color: var(--muted); font-size: 13px; margin-block: 20px 35px; }
@media (max-width: 1100px) {
  .header-inner { gap: 18px; }
  .brand > span:last-child { font-size: 14px; max-width: min(30vw, 320px); }
  .header-inner nav { gap: 16px; }
  .entry-tile { padding: 22px 16px; gap: 12px; }
  .entry-tile img { width: 44px; height: 44px; }
  .entry-tile h2 { font-size: 15px; }
  .product-card { padding: 25px; }
  .product-card:not(.featured) .product-image { display: none; }
}
@media (max-width: 780px) {
  .wrap { width: calc(100% - 32px); }
  .header-inner { min-height: 68px; gap: 14px; }
  .brand > span:last-child { max-width: min(42vw, 245px); font-size: 13px; }
  .header-inner:has(.support-header-phone) .brand > span:last-child { max-width: 130px; font-size: 11px; }
  .header-inner:has(.support-header-phone) { gap: 8px; }
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .cloud-header-actions { gap: 7px; }
  .support-header-phone { font-size: 11px; }
  .support-header-phone img { width: 19px; height: 19px; }
  .header-trial { padding: 7px 10px; font-size: 11px; }
  .header-inner nav { display: none; position: absolute; top: 100%; left: 0; right: 0;
    padding: 10px 20px 20px; background: #2c303a; box-shadow: 0 10px 20px #0002; }
  .header-inner nav.is-open { display: grid; gap: 0; }
  .header-inner nav a { font-size: 16px; padding: 14px; }
  .header-inner nav a::after { right: 14px; bottom: 7px; left: 14px; }
  .hero { background-position: 60%; }
  .hero-art { width: 1000px; max-width: none; left: auto; right: -130px; opacity: .65; }
  .hero-inner { min-height: 470px; padding-block: 50px 76px; }
  .hero-copy { max-width: 470px; padding: 20px; background: #111c3659; border-radius: 8px; }
  .hero h1 { font-size: 32px; }
  .hero-description { font-size: 15px; }
  .entry-strip { grid-template-columns: 1fr; gap: 12px; margin-top: -30px; }
  .entry-tile { padding: 18px 22px; }
  .entry-tile > div { flex: 1; }
  .entry-tile img { width: 52px; height: 52px; margin-right: 10px; }
  .entry-tile h2 { font-size: 17px; }
  .entry-tile p { margin-bottom: 5px; }
  .section { padding-block: 50px; }
  .section-heading { margin-bottom: 28px; }
  .section-heading h2, .news-heading h2 { font-size: 24px; }
  .section-heading p { font-size: 13px; }
  .product-grid { grid-template-columns: 1fr; gap: 16px; }
  .product-card.featured { padding: 25px; }
  .product-card h3 { font-size: 22px; }
  .featured .product-image { width: 38%; }
  .guarantee-grid { grid-template-columns: repeat(3, 1fr); gap: 26px 16px; }
  .guarantee-grid h3 { font-size: 16px; }
  .guarantee-grid img { width: 48px; height: 48px; }
  .scene-tabs button { flex-direction: column; font-size: 13px; padding: 14px 4px; }
  .scene-panel { grid-template-columns: 1fr; gap: 20px; padding: 28px 10px 0; }
  .scene-panel h3 { font-size: 22px; }
  .scene-panel > img { max-height: 230px; }
  .advantage-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .advantage-grid article { padding: 24px 18px; }
  .industry-grid article > div { padding: 20px 16px; }
  .industry-grid img { height: 120px; }
  .news-link article { grid-template-columns: 60px minmax(0, 1fr); gap: 15px; padding: 16px; }
  .news-link h3 { font-size: 15px; }
  .news-arrow { display: none; }
  .news-heading a { font-size: 12px; }
  .contact-inner { display: block; padding-block: 45px; }
  .contact h2 { font-size: 25px; }
  .contact .button { margin-top: 15px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .article-page { padding-block: 35px 55px; }
  .article-page h1 { font-size: 27px; }
}
@media (max-width: 420px) {
  .hero-copy { padding: 10px; }
  .hero h1 { font-size: 29px; }
  .hero-note { font-size: 12px; }
  .featured .product-image { display: none; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: 1fr; }
  .industry-grid img { height: 160px; }
  .news-link p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}