:root {
  color: #17211e;
  background: #f5f7f6;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI Variable", "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; }
body { width: 100%; max-width: 100%; margin: 0; min-width: 320px; overflow-x: hidden; background: #f5f7f6; }
a { color: inherit; }

.site-header {
  position: relative;
  z-index: 10;
  display: grid;
  width: 100%;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 70px;
  padding: 0 max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid #dfe5e2;
  background: #fff;
}
.brand,
.footer-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; text-decoration: none; }
.brand img,
.footer-brand img { border-radius: 7px; }
nav { display: flex; align-items: center; gap: 30px; }
nav a,
.text-link,
.header-link { color: #56645f; font-size: 14px; text-decoration: none; }
nav a:hover,
.text-link:hover,
.header-link:hover { color: #08745f; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.header-link,
.header-download { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 0 15px; border-radius: 5px; font-size: 13px; font-weight: 700; text-decoration: none; }
.header-link { border: 1px solid #cdd8d4; background: #fff; }
.header-download { border: 1px solid #143e46; color: #fff; background: #143e46; }

.hero {
  position: relative;
  height: min(720px, calc(100svh - 110px));
  min-height: 500px;
  overflow: hidden;
  color: #f2fbf8;
  background: #121b19;
  border-bottom: 1px solid #263530;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 max(24px, calc((100vw - 1240px) / 2));
  width: 1px;
  background: #2c3a36;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, .82fr) minmax(520px, 1.18fr);
  gap: 58px;
  align-items: center;
  width: min(1240px, calc(100% - 48px));
  height: calc(100% - 58px);
  margin: 0 auto;
}
.hero-content { position: relative; z-index: 2; min-width: 0; max-width: 510px; }
.release-line { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; color: #abc0ba; font-size: 13px; }
.release-line span { width: 8px; height: 8px; border-radius: 50%; background: #4fd0a7; box-shadow: 0 0 0 5px rgb(79 208 167 / 12%); }
h1 { margin: 0; font-size: 78px; font-weight: 780; line-height: 1; letter-spacing: 0; }
.hero-lead { margin: 23px 0 0; font-size: 31px; font-weight: 680; line-height: 1.4; }
.hero-copy { margin: 17px 0 0; color: #aebfba; font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.hero-meta { margin: 15px 0 0; color: #778b85; font-size: 12px; }

.product-stage { position: relative; z-index: 1; min-width: 0; margin: 0 -84px 0 0; }
.product-stage img { display: block; width: 100%; max-width: 100%; height: auto; border: 1px solid #526660; box-shadow: 0 32px 80px rgb(0 0 0 / 38%); }
.product-stage figcaption { display: flex; align-items: center; gap: 10px; margin-top: 12px; color: #849791; font-size: 11px; }
.product-stage figcaption span { color: #5bc2a7; font-family: Consolas, monospace; }
.next-section { position: absolute; bottom: 0; left: 50%; display: grid; grid-template-columns: 92px 1fr; gap: 18px; align-items: center; width: min(1240px, calc(100% - 48px)); min-height: 58px; transform: translateX(-50%); border-top: 1px solid #34433e; color: #acbeb8; text-decoration: none; }
.next-section span { color: #65c8ad; font-size: 11px; font-weight: 750; }
.next-section strong { color: #e4efec; font-size: 13px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 750; text-decoration: none; }
.button-primary { color: #fff; background: #246bc7; }
.button-primary:hover { background: #1d58a7; }
.button-secondary { border-color: #53655f; color: #e7f4f0; background: #192623; }
.button-secondary:hover { border-color: #87a69d; background: #21322e; }

.updates,
.capabilities,
.download-band,
footer { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.updates { display: grid; grid-template-columns: minmax(240px, .65fr) minmax(0, 1fr); gap: 80px; align-items: start; padding: 86px 0 72px; border-bottom: 1px solid #cfd8d5; }
.section-label { margin: 0 0 12px; color: #08745f; font-size: 13px; font-weight: 750; }
h2 { margin: 0; max-width: 760px; font-size: 46px; font-weight: 730; line-height: 1.22; letter-spacing: 0; }
.updates-copy { margin: 22px 0 0; max-width: 380px; color: #5e6d68; font-size: 15px; line-height: 1.8; }
.update-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #aebbb7; }
.update-list li { display: grid; grid-template-columns: 96px 1fr; gap: 24px; align-items: baseline; padding: 19px 0; border-bottom: 1px solid #d4dcda; }
.update-list time { color: #6c7b76; font-size: 13px; font-variant-numeric: tabular-nums; }
.update-list span { color: #283632; font-size: 15px; line-height: 1.65; }
.update-list strong { display: inline-block; min-width: 36px; margin-right: 10px; color: #08745f; font-weight: 750; }
.updates-content { min-width: 0; }
.update-list { scroll-margin-top: 24px; }
.update-pagination { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; padding-top: 22px; }
.update-range { margin: 0; color: #5e6d68; font-size: 12px; }
.update-page-actions, .update-page-numbers { display: flex; flex-wrap: wrap; gap: 5px; }
.update-pagination button { min-width: 36px; min-height: 38px; padding: 0 11px; border: 1px solid #c7d3ce; border-radius: 5px; color: #29463e; background: #fff; font: inherit; font-size: 13px; cursor: pointer; }
.update-pagination button:hover:not(:disabled) { border-color: #08745f; }
.update-pagination button[aria-current="page"] { border-color: #173e45; color: #fff; background: #173e45; }
.update-pagination button:disabled { color: #8a9691; background: #edf1ef; cursor: default; }
.update-pagination button:focus-visible { outline: 3px solid #246bc7; outline-offset: 3px; }

.capabilities { padding: 94px 0 108px; }
.section-heading { display: grid; grid-template-columns: 200px 1fr; align-items: start; margin-bottom: 54px; }
.section-heading .section-label { margin-top: 10px; }
.section-intro { max-width: 660px; margin: 22px 0 0; color: #5c6b66; font-size: 15px; line-height: 1.9; }
.capability-spotlights { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 36px; }
.capability-spotlights article { min-width: 0; overflow: hidden; border-radius: 12px; }
.copy-spotlight { display: flex; flex-direction: column; align-items: start; padding: 34px; background: #e6efec; }
.feature-symbol { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 28px; border: 1px solid #8cafa1; border-radius: 12px; color: #1a6150; background: #f5faf7; font-size: 26px; font-weight: 700; }
.capability-spotlights h3 { font-size: 26px; }
.capability-spotlights p { margin: 15px 0 0; color: #4b625a; font-size: 14px; line-height: 1.9; }
.content-preview { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; margin-top: 28px; padding: 20px; border-radius: 8px; background: #fff; }
.content-preview > span { padding: 6px 10px; border-radius: 4px; color: #245e50; background: #e9f2ed; font-size: 12px; }
.content-preview > span:last-of-type { color: #245d99; background: #eaf2fd; }
.content-preview > div { width: 100%; margin-top: 8px; color: #5c6b66; font-size: 13px; }
.media-spotlight { background: #edf0f5; }
.media-spotlight > div:last-child { padding: 26px 34px 32px; }
.media-preview { display: flex; align-items: center; justify-content: center; min-height: 205px; padding: 24px; background: #d9e3eb; }
.media-preview-sheet { position: relative; width: 83%; padding: 23px 25px; border-left: 7px solid #b67b34; border-radius: 4px; color: #203e50; background: #fff9ee; transform: rotate(-3deg); box-shadow: 12px 12px 0 #b8cbd8; }
.media-preview-sheet span { display: block; margin-bottom: 13px; color: #906435; font-size: 12px; }
.media-preview-sheet strong { font-size: 30px; line-height: 1.35; }
.media-preview-sheet small { display: block; margin-top: 16px; color: #687978; font-size: 11px; }
.capability-list { display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 32px; }
.capability-list article { padding: 27px 0; border-top: 1px solid #c7d3ce; }
h3 { margin: 0; font-size: 21px; line-height: 1.35; }
.capability-list p { margin: 12px 0 0; color: #5c6b66; font-size: 14px; line-height: 1.8; }

.workflow { color: #eafff8; background: #173e45; }
.workflow-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 88px 0 100px; }
.section-heading-light .section-label { color: #78dfc4; }
.workflow .section-intro { color: #b7cdc9; }
.workflow ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 42px; margin: 54px 0 0; padding: 0; list-style: none; }
.workflow li { min-width: 0; padding: 28px 0 34px; border-top: 1px solid #4a7075; }
.workflow li > span { display: grid; width: 32px; height: 32px; place-items: center; border: 1px solid #72bfae; border-radius: 50%; color: #c3eee3; font-size: 12px; }
.workflow h3 { margin-top: 22px; }
.workflow li p { margin: 12px 0 20px; color: #c0d2ce; font-size: 14px; line-height: 1.85; }
.workflow li small { color: #81b9ad; font-size: 12px; }

.download-band { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: end; padding: 98px 0; }
.download-band h2 { font-size: 54px; }
.download-band p:last-child { margin: 18px 0 0; color: #63716d; }
.download-actions { display: flex; flex-direction: column; align-items: stretch; gap: 15px; min-width: 220px; text-align: center; }
footer { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; padding: 28px 0 42px; border-top: 1px solid #d2d9d7; color: #74817d; font-size: 13px; }
footer p { margin: 0; }
.footer-brand { color: #20302b; }
a:focus-visible { outline: 3px solid #e2b74f; outline-offset: 3px; }

@media (max-width: 1040px) {
  .capability-list { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: minmax(330px, .9fr) minmax(420px, 1.1fr); gap: 35px; }
  .product-stage { margin-right: -180px; }
  h1 { font-size: 66px; }
  .hero-lead { font-size: 27px; }
}

@media (max-width: 820px) {
  .site-header { grid-template-columns: 1fr auto; padding-inline: 18px; }
  nav { display: none; }
  .hero { height: auto; min-height: 0; padding: 64px 0 0; }
  .hero-inner { display: block; width: min(calc(100% - 40px), 620px); height: auto; }
  .hero-content { max-width: 540px; }
  .product-stage { width: 100%; max-width: 100%; margin: 40px 0 -1px; }
  .next-section { position: relative; left: auto; width: min(calc(100% - 40px), 620px); min-height: 58px; margin: 30px auto 0; transform: none; }
  .updates { grid-template-columns: 1fr; gap: 34px; padding: 68px 0 58px; }
  .section-heading { grid-template-columns: 1fr; gap: 4px; }
  .section-heading .section-label { margin-top: 0; }
  .capability-spotlights { grid-template-columns: 1fr; }
  .workflow ol { grid-template-columns: repeat(2, 1fr); gap: 0 28px; }
  .workflow h3 { margin-top: 22px; }
  .download-band { grid-template-columns: 1fr; align-items: start; }
  .download-actions { align-items: flex-start; width: min(100%, 320px); }
  footer { grid-template-columns: 1fr auto; }
  footer p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 560px) {
  .capability-list, .workflow ol { grid-template-columns: 1fr; }
  .copy-spotlight { padding: 26px; }
  .media-spotlight > div:last-child { padding: 26px; }
  .capability-spotlights h3 { font-size: 23px; }
  .update-pagination { align-items: start; flex-direction: column; }
  .site-header { width: 100vw; min-height: 64px; }
  .brand span { font-size: 15px; }
  .header-actions { min-width: 0; gap: 5px; }
  .header-link,
  .header-download { min-height: 35px; padding-inline: 8px; font-size: 11px; }
  .header-download { font-size: 0; }
  .header-download::after { content: "下载"; font-size: 11px; }
  .hero { padding-top: 42px; }
  .hero-inner { width: calc(100vw - 36px); max-width: 620px; }
  .hero-content { width: 100%; max-width: 100%; }
  h1 { font-size: 52px; }
  .hero-lead { font-size: 22px; overflow-wrap: anywhere; }
  .hero-copy { font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .product-stage { width: calc(100vw - 36px); max-width: 620px; max-height: 195px; margin: 34px 0 0; overflow: hidden; }
  .product-stage figcaption { display: none; }
  .next-section { width: calc(100vw - 36px); max-width: 620px; grid-template-columns: 76px 1fr; margin-top: 22px; }
  .updates,
  .capabilities,
  .download-band,
  footer,
  .workflow-inner { width: calc(100vw - 36px); max-width: 1180px; }
  h2 { font-size: 34px; }
  .capabilities { padding: 72px 0 82px; }
  .update-list li { grid-template-columns: 76px 1fr; gap: 10px; }
  .workflow-inner { padding: 72px 0 76px; }
  .download-band { padding: 74px 0; }
  .download-band h2 { font-size: 40px; }
  .download-actions { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}