/* 页面滚动条：默认低对比，悬停和拖动时提亮。 */
html {
  scrollbar-color: #26384b #091526;
}

@supports selector(::-webkit-scrollbar) {
  @media (forced-colors: none) {
    html {
      /* 标准颜色会覆盖 Chromium 的滑块伪元素样式。 */
      scrollbar-color: auto;
    }

    html::-webkit-scrollbar {
      background: #091526;
    }

    html::-webkit-scrollbar-track,
    html::-webkit-scrollbar-corner {
      background: #091526;
    }

    html::-webkit-scrollbar-thumb {
      background: #26384b;
    }

    html::-webkit-scrollbar-thumb:hover {
      background: #40566c;
    }

    html::-webkit-scrollbar-thumb:active {
      background: #465d73;
    }
  }
}

:root {
  color-scheme: dark;
  --ink: #091526;
  --panel: #101f33;
  --gold: #e4c678;
  --ice: #b9efff;
  --white: #f4f7fa;
  --mute: #a9bdcd;
  --line: rgba(184, 213, 240, .16);
  background: var(--ink);
  font-family: 'Inter', 'Microsoft YaHei', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--platform-nav-height, 77px); }
body { margin: 0; font-size: 16px; line-height: 1.8; color: var(--white); background: radial-gradient(ellipse at 85% 8%, #142e443d, transparent 35%), var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--ice); outline-offset: 5px; }
p { line-height: 1.9; color: var(--mute); margin: 0; }
h1, h2, h3 { margin: 0; }
.wrap { width: min(1280px, 91.1%); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 30; background: var(--ink); padding: 16px; }
.skip-link:focus { top: 12px; }
.platform-header { min-height: 88px; padding: 18px 6%; display: flex; align-items: center; gap: 32px; border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.platform-brand img { object-fit: contain; display: block; width: 132px; height: 44px; }
.back-link { margin-left: auto; white-space: nowrap; font-size: 15px; }
.back-link, .back-link:visited, .back-link:hover { color: #fff; }
.back-link > span:first-child { margin-right: 9px; }
.nav-actions { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.nav-phone { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 5px 0; min-width: 44px; min-height: 44px; color: rgba(255, 255, 255, .82); white-space: nowrap; font-size: 14px; font-weight: 500; letter-spacing: .045em; font-variant-numeric: tabular-nums; }
.nav-phone svg { width: 18px; height: 18px; color: rgba(255, 255, 255, .65); flex-shrink: 0; }
.nav-phone-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.nav-phone-number { line-height: 1.2; }
.language-switcher { position: relative; flex: 0 0 114px; height: 40px; padding-left: 20px; align-self: center; }
.language-switcher::before { content: ''; position: absolute; left: 6px; top: 50%; transform: translateY(-50%); height: 24px; width: 1px; background: rgba(255, 255, 255, .12); }
.language-toggle { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; padding: 0; border: 0; background: transparent; color: rgba(255, 255, 255, .82); gap: 7px; font-size: 14px; font-weight: 500; letter-spacing: .02em; line-height: 1; transition: color .2s ease; }
.nav-phone:hover, .language-toggle:hover, .language-toggle[aria-expanded="true"] { color: #f0d878; }
.language-icon { width: 18px; height: 18px; flex: 0 0 18px; fill: none; stroke: currentColor; stroke-width: 1.6; color: rgba(255, 255, 255, .65); }
.language-chevron { display: flex; width: 18px; height: 18px; flex: 0 0 18px; transition: transform .25s; }
.language-chevron svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.language-toggle[aria-expanded="true"] .language-chevron { transform: rotate(180deg); }
.language-menu { position: absolute; right: 0; top: calc(100% + 8px); width: 100%; padding: 6px; background: #0d1b30; border: 1px solid rgba(212, 175, 55, .55); display: none; box-shadow: 0 16px 32px rgba(0, 0, 0, .28); }
.language-menu.open { display: grid; }
.language-menu button { padding: 10px 14px; border: 0; background: transparent; color: rgba(255, 255, 255, .75); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-align: left; }
.language-menu button:hover, .language-menu button.active { color: #d4af37; background: rgba(212, 175, 55, .1); }
@media (max-width: 1200px) {
  .nav-phone { padding: 0; border-radius: 50%; }
  .nav-phone-number { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .nav-actions { gap: 8px; }
}
@media (min-width: 1101px) and (max-width: 1400px) {
  html[lang="en-US"] .nav-phone-number { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
}
.hero { min-height: 650px; padding-block: 85px 70px; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 60px; }
.eyebrow { font-size: 11px; letter-spacing: .2em; color: var(--gold); margin-bottom: 22px; font-weight: 600; }
.hero h1 { font-size: clamp(28px, 2.5vw, 36px); font-weight: 600; color: var(--white); line-height: 1.45; letter-spacing: .02em; margin-bottom: 24px; text-wrap: balance; }
.hero h2 { font-family: Georgia, 'Microsoft YaHei', serif; font-size: clamp(36px, 4.1vw, 60px); font-weight: 400; line-height: 1.2; letter-spacing: -.05em; }
html[lang="zh-CN"] body { font-family: 'HarmonyOS Sans SC', 'MiSans', 'PingFang SC', 'Microsoft YaHei', sans-serif; font-synthesis: none; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
html[lang="zh-CN"] .hero h2 { font-family: 'Microsoft YaHei', sans-serif; font-weight: 500; line-height: 1.45; letter-spacing: .01em; }
.hero h2 em { font-style: normal; color: var(--gold); }
.lead { margin-top: 26px; font-size: 16px; line-height: 1.9; max-width: 490px; }
.actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.button { display: inline-flex; gap: 24px; justify-content: space-between; align-items: center; padding: 17px 23px; color: var(--ink); background: var(--gold); font-weight: 600; font-size: 14px; border: 1px solid var(--gold); transition: background .25s; }
.button:hover { background: #f0d878; }
.text-link { font-size: 15px; padding: 7px 0; border-bottom: 1px solid rgba(139, 211, 229, .4); }
.intelligence-visual { position: relative; padding: 25px; background: radial-gradient(ellipse, #21435955, transparent 65%); border: 1px solid var(--line); }
.visual-caption, .demo-top { display: flex; align-items: center; gap: 9px; font-size: 14px; }
.visual-caption small { margin-left: auto; color: var(--mute); font-size: 12px; letter-spacing: .1em; }
.status-dot { display: inline-block; height: 6px; width: 6px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 12px var(--ice); }
.orbit-stage { height: 330px; position: relative; }
.orbit { position: absolute; top: 50%; left: 50%; border: 1px solid #b9efff26; border-radius: 50%; width: 265px; height: 265px; transform: translate(-50%, -50%); }
.orbit::after { content: ''; position: absolute; height: 5px; width: 5px; border-radius: 50%; background: var(--ice); top: 37px; left: 37px; box-shadow: 0 0 18px var(--ice); }
.orbit-two { width: 210px; height: 210px; border-style: dashed; border-color: #d4af3745; animation-direction: reverse !important; }
.orbit-three { width: 310px; height: 170px; transform: translate(-50%, -50%) rotate(-28deg); }
.connections { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: #b9efff1c; }
.ai-core { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 50%; width: 146px; height: 146px; display: flex; flex-direction: column; justify-content: center; align-items: center; background: radial-gradient(circle at 40% 30%, #254455, #0c1e33); border: 1px solid #b9efff65; box-shadow: 0 0 65px #90dbea20, inset 0 0 30px #a5e5ff13; }
.ai-core > span { font: 54px Georgia, serif; color: var(--ice); }
.ai-core small { font-size: 13px; letter-spacing: .12em; margin-top: 8px; }
.orbit-label { position: absolute; padding: 8px 11px; background: #0b192bed; border: 1px solid var(--line); font-size: 14px; }
.label-one { top: 58px; left: 0; }.label-two { top: 48px; right: 0; }.label-three { bottom: 55px; left: 0; }.label-four { bottom: 45px; right: 0; }
.visual-flow { display: flex; justify-content: center; gap: 25px; font-size: 14px; }.visual-flow i { color: var(--gold); font-style: normal; }
.visual-note { text-align: center; font-size: 13px; margin-top: 16px; }
.platform-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); margin-bottom: 60px; }
.platform-strip span { padding: 23px; text-align: center; font-size: 15px; letter-spacing: .06em; border-right: 1px solid var(--line); }.platform-strip span:last-child { border: 0; }
.section-nav { position: sticky; top: 0; z-index: 10; border-block: 1px solid var(--line); background: #091526ed; backdrop-filter: blur(16px); }
.platform-nav-links { position: relative; display: flex; gap: 36px; overflow-x: auto; scrollbar-width: none; }
.platform-nav-links::-webkit-scrollbar { display: none; }
.platform-nav-links a { position: relative; display: block; padding-block: 20px; white-space: nowrap; color: var(--mute); font-size: 15px; }
.platform-nav-links::after { content: ''; position: absolute; bottom: 0; left: 0; width: var(--indicator-width, 0px); height: 2px; background: var(--gold); pointer-events: none; transform: translateX(var(--indicator-x, 0px)); }
.section-nav .indicator-ready::after { transition: transform .32s cubic-bezier(.2, .7, .2, 1), width .32s cubic-bezier(.2, .7, .2, 1); }
.platform-nav-links a:hover, .platform-nav-links a[aria-current="location"] { color: var(--gold); }
.section { padding-block: 100px; }.section-tint { background: linear-gradient(130deg, #14294055, #101b2c22); border-block: 1px solid var(--line); }
.section-heading { margin-bottom: 42px; }.section-heading h2, .contact-section h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 500; line-height: 1.4; letter-spacing: -.03em; }.section-heading > p:last-child { margin-top: 20px; max-width: 750px; font-size: 15px; }
.ai-showcase { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; }.scenario-list { display: grid; gap: 12px; }
.scenario { position: relative; text-align: left; background: transparent; border: 1px solid var(--line); padding: 23px 48px 23px 24px; transition: border-color .3s, background .3s; }.scenario.active { border-color: #d4af3780; background: linear-gradient(110deg, #d4af3713, transparent); }.scenario > span { color: var(--gold); font-size: 12px; letter-spacing: .13em; }.scenario strong { display: block; margin-block: 9px; font-size: 19px; font-weight: 500; }.scenario p { font-size: 13px; }.scenario b { position: absolute; right: 23px; top: 24px; color: var(--gold); }
.ai-demo { padding: 28px; background: linear-gradient(140deg, #172b40, #0c1b2c); border: 1px solid var(--line); display: flex; flex-direction: column; }.demo-top { justify-content: space-between; padding-bottom: 25px; border-bottom: 1px solid var(--line); }.demo-top small { font-size: 12px; color: var(--mute); }
#scenario-content { padding-block: 28px; flex: 1; }.demo-question { background: #b9efff0b; border-left: 2px solid var(--ice); padding: 15px; color: #e9f3fc; font-size: 14px; }.demo-label { color: var(--gold); font-size: 12px; letter-spacing: .1em; margin-block: 25px 13px; }.demo-answer { font-size: 14px; }.demo-checks { padding-left: 20px; color: #c5d6e4; font-size: 14px; line-height: 2; }.review-badge { display: inline-block; color: var(--ice); border: 1px solid #b9efff40; padding: 7px 12px; font-size: 13px; }.demo-footer { display: flex; gap: 20px; align-items: center; padding-top: 22px; border-top: 1px solid var(--line); }.demo-footer > span { color: var(--gold); font: 25px Georgia, serif; }.demo-footer p { font-size: 12px; }
.ai-principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; }.ai-principles div { border-left: 1px solid var(--gold); padding: 8px 24px; }.ai-principles b { display: block; font-weight: 500; margin-bottom: 9px; }.ai-principles span { color: var(--mute); font-size: 14px; }
.module-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }.info-card { padding: 27px 22px; background: #0d1c2ee6; border: 1px solid var(--line); }.info-card svg { width: 30px; height: 30px; stroke: var(--gold); stroke-width: 1.4; fill: none; margin-bottom: 23px; }.info-card h3 { font-size: 17px; font-weight: 500; line-height: 1.5; margin-bottom: 12px; }.info-card p { font-size: 12px; }.info-card .card-tag { color: var(--gold); font-size: 12px; letter-spacing: .1em; display: block; margin-bottom: 15px; }
.workflow { margin-top: 25px; border: 1px solid var(--line); padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 35px; align-items: center; }.workflow .eyebrow { margin-bottom: 10px; }.workflow h3 { font-size: 22px; font-weight: 500; margin-bottom: 12px; }.workflow p { font-size: 13px; }.workflow ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 9px; }.workflow li { border: 1px solid #d4af3745; padding: 12px; font-size: 14px; }
.device-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }.device-grid .info-card { padding: 30px; }.event-flow { margin-top: 30px; display: flex; gap: 25px; justify-content: center; padding: 25px; border-block: 1px solid var(--line); font-size: 14px; flex-wrap: wrap; }.event-flow b { color: var(--gold); font-weight: 400; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }.advantage-grid .info-card { padding: 30px; }.advantage-grid .info-card p { font-size: 14px; }.advantage-grid .info-card:nth-child(3), .advantage-grid .info-card:nth-child(6) { border-color: #d4af3770; background: linear-gradient(130deg, #d4af3710, #0d1c2e); }
.deployment-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }.deployment-layout .section-heading { margin: 0; }.platform-tags { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 28px; }.platform-tags span { border: 1px solid var(--line); padding: 9px 16px; font-size: 14px; }.small-note { font-size: 13px !important; }.deployment-card { border: 1px solid var(--line); padding: 35px; background: var(--panel); }.server-row { display: flex; gap: 15px; align-items: center; margin-bottom: 15px; }.server-row span { background: #091526; padding: 22px 12px; flex: 1; text-align: center; border: 1px solid #b9efff35; font-size: 14px; }.server-row i { font-size: 23px; color: var(--gold); font-style: normal; }.deployment-controls { display: flex; justify-content: space-around; font-size: 14px; margin-block: 24px; color: var(--ice); }.deployment-card > p:last-child { font-size: 14px; }
.delivery-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 65px; }.delivery-steps > div { border-top: 1px solid var(--line); padding-top: 25px; }.delivery-steps span { font: italic 27px Georgia, serif; color: var(--gold); }.delivery-steps h3 { font-size: 17px; font-weight: 500; margin-block: 17px 10px; }.delivery-steps p { font-size: 13px; }
.contact-section { padding: 65px 35px; text-align: center; border: 1px solid #d4af3740; background: radial-gradient(ellipse at top, #35526635, transparent 70%); margin-bottom: 80px; }.contact-section > p:not(.eyebrow) { margin: 20px auto 30px; max-width: 640px; font-size: 15px; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); padding-block: 35px; font-size: 14px; }footer > span { color: var(--mute); }footer a:first-child { letter-spacing: .08em; }footer a:first-child span { margin-left: 12px; }
[data-light] { position: relative; isolation: isolate; --light-x: 50%; --light-y: 50%; }
[data-light]::before { content: ''; position: absolute; z-index: 2; inset: -1px; padding: 1px; pointer-events: none; background: radial-gradient(340px circle at var(--light-x) var(--light-y), #b9efff, rgba(199, 170, 106, .36) 45%, transparent 76%); mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); mask-composite: exclude; opacity: 0; transition: opacity .65s; }
[data-light]::after { content: ''; position: absolute; z-index: -1; inset: 0; pointer-events: none; background: radial-gradient(280px circle at var(--light-x) var(--light-y), rgba(112, 216, 249, .09), transparent 72%); opacity: 0; transition: opacity .8s; }
[data-light]:focus-within::before, [data-light]:focus-within::after { opacity: .65; }
.cursor-particles { position: fixed; inset: 0; z-index: 25; width: 100%; height: 100%; pointer-events: none; }
@media (hover: hover) and (pointer: fine) { [data-light]:hover::before { opacity: .55; } [data-light]:hover::after { opacity: 1; } }
@keyframes orbit-turn { to { transform: translate(-50%, -50%) rotate(360deg); } }
@media (prefers-reduced-motion: no-preference) { .orbit-one, .orbit-two { animation: orbit-turn 35s linear infinite; } [data-reveal] { transition: opacity .7s, translate .7s; }.reveal-pending { opacity: 0; translate: 0 20px; } }
html[data-motion-paused] * { animation-play-state: paused !important; }
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
/* Typography follows the ICT hero and consumer-technology content scale. */
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .12em; }
.section-heading { max-width: 830px; margin-bottom: 34px; }
.section-heading h2 { font-size: clamp(28px, 3.05vw, 42px); text-wrap: balance; }
.contact-section h2 { font-size: clamp(25px, 2.9vw, 38px); line-height: 1.5; text-wrap: balance; }
.section-heading > p:last-child { font-size: 16px; }
.info-card h3, .scenario strong, .delivery-steps h3 { font-size: 20px; font-weight: 500; line-height: 1.5; }
.info-card p, .scenario p, .workflow p, .delivery-steps p { font-size: 14px; line-height: 1.8; }
.info-card p { transition: color .2s ease; }
.button { font-size: 15px; padding: 13px 23px; }
@media (hover: hover) { .info-card:hover p { color: #f4f7fa; } }
@media (max-width: 1050px) { .hero { gap: 30px; }.module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }.deployment-layout { gap: 30px; }.visual-caption small { display: none; } }
@media (max-width: 800px) {
  html { --platform-nav-height: 61px; }.wrap { width: calc(100% - 40px); }
  .platform-header { min-height: 76px; padding: 16px 6%; gap: 16px; }
  .platform-brand img { width: 100px; height: 36px; }
  .back-link { font-size: 14px; }
  .nav-actions { order: 2; margin-left: auto; gap: 4px; }
  .language-switcher { width: max-content; flex: 0 0 auto; padding-left: 10px; }
  .language-toggle { width: auto; }
  .language-switcher::before { left: 3px; }
  .hero { grid-template-columns: 1fr; padding-block: 50px 35px; gap: 45px; }.hero h2 { font-size: clamp(36px, 7.5vw, 56px); }.intelligence-visual { max-width: 550px; width: 100%; justify-self: center; }.platform-strip { grid-template-columns: 1fr 1fr; margin-bottom: 35px; }.platform-strip span { padding: 18px 9px; font-size: 14px; border-bottom: 1px solid var(--line); }.platform-nav-links { gap: 25px; }.platform-nav-links a { font-size: 14px; padding-block: 16px; }
  .section { padding-block: 65px; }.ai-showcase, .deployment-layout, .workflow { grid-template-columns: 1fr; }.module-grid, .advantage-grid, .device-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.ai-principles div { padding: 5px 12px; }.ai-principles span { font-size: 13px; }.info-card, .device-grid .info-card, .advantage-grid .info-card { padding: 23px 18px; }.delivery-steps { grid-template-columns: 1fr 1fr; }.event-flow { gap: 14px; font-size: 14px; }.contact-section { padding: 45px 22px; margin-bottom: 40px; }footer { flex-wrap: wrap; gap: 18px; }footer > span { display: none; }
}
@media (max-width: 520px) { .hero h1 { font-size: 28px; }.lead { font-size: 15px; }footer { font-size: 12px; } }
@media (max-width: 420px) { .module-grid, .advantage-grid { grid-template-columns: 1fr; }.demo-top { align-items: flex-start; gap: 12px; }.demo-top small { max-width: 95px; }.ai-demo { padding: 20px; }.orbit-stage { height: 300px; }.orbit-one { width: 230px; height: 230px; }.orbit-three { width: 240px; }.orbit-label { padding: 6px; font-size: 12px; }.intelligence-visual { padding: 18px; }.ai-core { width: 125px; height: 125px; }.visual-flow { gap: 16px; }.workflow, .deployment-card { padding: 23px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; }.reveal-pending { opacity: 1; translate: none; }.cursor-particles { display: none; } }
@media (hover: none), (pointer: coarse) { .cursor-particles { display: none; } }

@media (max-width: 520px) {
  .platform-header { flex-wrap: wrap; gap: 12px; }
  .back-link { order: 3; flex-basis: 100%; margin-left: 0; }
}

/* 分区序号：首次舒展，微光间歇循环；离屏时暂停。 */
.platform-section-marker {
  position: relative;
  display: flex;
  align-items: center;
  gap: 25px;
  width: fit-content;
  max-width: 100%;
  min-height: 46px;
  margin-bottom: 20px;
  color: var(--gold);
}
.platform-section-marker > span {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 2px;
  min-width: 43px;
  flex-shrink: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-variant-numeric: lining-nums;
}
.platform-section-marker > span > b {
  font-size: 23px;
  line-height: 1;
  font-weight: 400;
  color: rgba(199, 170, 106, .45);
}
.platform-section-marker > span > em {
  font-size: 38px;
  line-height: 1;
  font-weight: 400;
  color: #dfcfaa;
}
.platform-section-marker > span::after {
  content: '';
  position: absolute;
  right: -12px;
  bottom: 3px;
  width: 1px;
  height: 23px;
  background: linear-gradient(transparent, rgba(199, 170, 106, .5));
  transform: rotate(24deg);
}
.platform-section-marker::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 11px;
  width: 49px;
  height: 3px;
  background: repeating-linear-gradient(90deg, rgba(151, 179, 198, .3) 0 1px, transparent 1px 12px);
  pointer-events: none;
}
.platform-section-marker > i {
  position: relative;
  display: block;
  width: 96px;
  min-width: 32px;
  flex-shrink: 1;
  height: 1px;
  overflow: hidden;
}
.platform-section-marker > .platform-marker-title {
  color: #cbbd9f;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .09em;
  text-transform: uppercase;
}
html[lang="zh-CN"] .platform-marker-title {
  font-size: 14px;
  letter-spacing: .16em;
}
@media (max-width: 520px) {
  .platform-section-marker { gap: 20px; }
  .platform-section-marker > i { width: 64px; }
  .platform-section-marker > .platform-marker-title { font-size: 12px; }
  html[lang="zh-CN"] .platform-marker-title { font-size: 13px; }
}
.platform-section-marker > i::before,
.platform-section-marker > i::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.platform-section-marker > i::before {
  background: linear-gradient(90deg, rgba(199, 170, 106, .65), rgba(199, 170, 106, .08));
  transform-origin: left center;
}
.platform-section-marker > i::after {
  background: linear-gradient(90deg, transparent, rgba(216, 234, 231, .75), transparent);
  opacity: 0;
}
@keyframes platform-marker-draw {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes platform-marker-shimmer {
  0% { transform: translateX(-100%); opacity: 0; }
  25% { opacity: .55; }
  65% { opacity: .4; }
  90%, 100% { transform: translateX(100%); opacity: 0; }
}
@media (prefers-reduced-motion: no-preference) {
  .section-heading.marker-revealed .platform-section-marker > i::before {
    animation: platform-marker-draw .95s cubic-bezier(.2, .7, .2, 1) .15s both;
  }
  .section-heading.marker-revealed .platform-section-marker > i::after {
    animation: platform-marker-shimmer 3s ease-in-out .7s infinite both paused;
  }
  .section-heading.marker-revealed.is-active .platform-section-marker > i::after {
    animation-play-state: running;
  }
}

/* Ambient rings match the consumer technology detail page. */
.section { position: relative; isolation: isolate; }
.platform-halo { position: absolute; z-index: -1; inset: 0; overflow: hidden; pointer-events: none; }
.platform-halo::before { content: ''; position: absolute; width: clamp(400px, 44vw, 640px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, transparent 58.5%, rgba(119, 212, 219, .025) 61%, rgba(155, 219, 234, .15) 63%, rgba(155, 219, 234, .2) 63.3%, rgba(119, 212, 219, .045) 64.2%, transparent 68%); opacity: .55; }
.platform-halo--right::before { bottom: -180px; right: -250px; }
.platform-halo--left::before { bottom: -200px; left: -250px; }
@keyframes platform-breathe {
  0%, 100% { opacity: .35; transform: scale(.97); }
  50% { opacity: .7; transform: scale(1.025); }
}
@media (prefers-reduced-motion: no-preference) {
  .platform-halo::before { animation: platform-breathe 12s ease-in-out infinite paused; }
  .platform-halo--left::before { animation-duration: 14s; animation-delay: -5s; }
  .platform-halo.is-active::before { animation-play-state: running; }
}
@media (max-width: 800px) {
  .platform-halo { opacity: .6; }

}

/* Match ICT capability cards: icon and title above full-width copy. */
.module-grid, .device-grid, .advantage-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.info-card { display: grid; grid-template-columns: 32px minmax(0, 1fr); align-content: start; column-gap: 14px; row-gap: 20px; min-width: 0; padding: 30px; }
.info-card svg { width: 32px; height: 32px; margin: 0; align-self: center; }
.info-card h3 { margin: 0; align-self: center; overflow-wrap: anywhere; }
.info-card p { grid-column: 1 / -1; margin: 0; line-height: 1.9; }
.info-card .card-tag { display: inline; margin: 0; font-size: 12px; letter-spacing: .06em; }
.info-card .card-tag::after { content: ' / '; color: var(--mute); }
@media (max-width: 1100px) {
  .module-grid, .device-grid, .advantage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .module-grid, .device-grid, .advantage-grid { grid-template-columns: 1fr; }
}

.hero-copy > .eyebrow {
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1.6;
  margin-bottom: 22px;
}

/* 首页同款毛玻璃吸顶栏。 */
.platform-header.section-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  padding-block: 0;
  gap: 28px;
  flex-wrap: nowrap;
  background: rgba(10, 22, 40, .78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.section-nav .platform-brand { flex-shrink: 0; }
.platform-nav-links { position: relative; display: flex; flex: 1; min-width: 0; justify-content: center; gap: clamp(18px, 2vw, 36px); }
.platform-nav-links a { padding-block: 30px; }
.section-nav .nav-actions { flex-shrink: 0; }
.platform-breadcrumb { padding-top: 24px; }
.platform-breadcrumb .back-link { display: inline-flex; margin: 0; }
.platform-nav-links a:focus-visible,
.section-nav .platform-brand:focus-visible { outline: 2px solid var(--gold); outline-offset: -3px; }
@media (max-width: 1100px) {
  .platform-header.section-nav { flex-wrap: wrap; gap: 0 20px; padding-top: 12px; }
  .section-nav .nav-actions { margin-left: auto; order: 0; }
  .platform-nav-links { order: 1; flex: 0 0 100%; width: 100%; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; gap: 25px; padding-inline: 0; }
  .platform-nav-links a { padding-block: 16px; font-size: 14px; }
}

.platform-header .platform-nav-links a {
  font-weight: 450;
}

/* 缩减上下留白，锚点间距由 ResizeObserver 同步。 */
.platform-header.section-nav { min-height: 80px; }
.platform-header .platform-nav-links a { line-height: 24px; padding-block: 27px; }
@media (max-width: 1100px) {
  .platform-header.section-nav { min-height: 104px; padding-top: 12px; }
  .platform-header .platform-nav-links a { padding-block: 11px; }
}

/* 下划线跟随文字下方留白，不与导航底边重叠。 */
.platform-nav-links::after { bottom: 10px; border-radius: 2px; }
@media (max-width: 1100px) {
  .platform-nav-links::after { bottom: 3px; }
}

/* Match the home page copyright and registration row. */
footer.detail-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  width: min(1400px, 100%);
  max-width: none;
  margin: 4rem auto 0;
  padding: 2rem 3rem 3rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .4);
  font: .875rem/1.8 var(--body, 'Inter', sans-serif);
}
html[lang="zh-CN"] footer.detail-footer {
  font-family: var(--zh-sans, 'Microsoft YaHei', sans-serif);
}
.detail-footer-legal {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 20px;
  min-width: 0;
}
footer.detail-footer a {
  color: inherit;
  font: inherit;
  letter-spacing: normal;
  text-decoration: none;
  transition: color .3s ease;
}
footer.detail-footer a:hover,
footer.detail-footer a:focus-visible {
  color: var(--gold, #c7a36d);
}
@media (max-width: 800px) {
  footer.detail-footer {
    flex-direction: column;
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.5rem 1.5rem 3rem;
    text-align: center;
  }
  .detail-footer-legal { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  footer.detail-footer a { transition: none; }
}

/* 首屏图景标题与渐隐呼吸线。 */
.platform-scene-title {
  position: relative;
  padding: 6px 0 12px;
  color: #e4d2a5;
  font-family: inherit;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: .025em;
  text-wrap: balance;
}
.platform-scene-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, #c7aa6a, rgba(199, 170, 106, .08));
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transform-origin: left center;
  animation: platform-scene-title-breathe 4.8s ease-in-out infinite;
}
@keyframes platform-scene-title-breathe {
  0%, 100% { transform: scaleX(.92); opacity: .55; }
  50% { transform: scaleX(1); opacity: .9; }
}
@media (max-width: 480px) {
  .platform-scene-title { font-size: 18px; letter-spacing: .04em; }
}

.visual-caption { flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.visual-caption small { font-size: 14px; line-height: 1.6; letter-spacing: .045em; }
html[lang="zh-CN"] .visual-caption { font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif; }

@media (prefers-reduced-motion: reduce) {
  .platform-scene-title::after { animation: none !important; }
}

/* 全站页脚联系方式。 */
footer .footer-contact-info {
  display: flex;
  flex: 0 0 100%;
  flex-wrap: wrap;
  gap: 12px 0;
  justify-content: flex-start;
  align-items: center;
  text-align: left;
  width: 100%;
  margin: 0;
  padding-block: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  font-style: normal;
  line-height: 1.8;
}
footer .footer-contact-info > div { min-width: 0; padding-inline: 20px; }
footer .footer-contact-info > div + div { border-left: 1px solid rgba(199, 170, 106, .18); }
footer .footer-contact-info > div:first-child { padding-left: 0; }
footer .footer-contact-info > div:last-child { padding-right: 0; }
footer .footer-contact-address { flex: 0 1 auto; }
footer .footer-contact-info > div > span:first-child { color: rgba(255, 255, 255, .5); font-size: inherit; letter-spacing: normal; }
footer .footer-contact-info a { color: inherit; overflow-wrap: anywhere; text-decoration: none; }
footer .footer-contact-info a:hover { color: #e4d2a5; }
footer .footer-contact-info a:focus-visible { outline: 2px solid #c7aa6a; outline-offset: 4px; }
@media (max-width: 800px) {
  footer .footer-contact-info { display: grid; grid-template-columns: auto auto; gap: 20px 0; font-size: 13px; }
  footer .footer-contact-info > div { display: flex; flex-direction: column; gap: 6px; padding-inline: 12px; }
  footer .footer-contact-info > div:nth-child(2) { padding-right: 0; }
  footer .footer-contact-info > .footer-contact-address { grid-column: 1 / -1; display: block; padding: 0; border-left: 0; }

}

@media (max-width: 800px) {
  footer.detail-footer { align-items: flex-start; text-align: left; }
  .detail-footer-legal { justify-content: flex-start; }
}

footer.detail-footer { padding-top: 0; row-gap: 20px; }