:root {
  --ink: #101412;
  --muted: #66706a;
  --line: #e5e9e6;
  --paper: #ffffff;
  --soft: #f4f7f5;
  --lime: #24d7d1;
  --lime-deep: #118fe8;
  --mint: #eaf6ff;
  --blue: #1677ff;
  --blue-deep: #0f5fd2;
  --cyan: #16c8e6;
  --radius: 6px;
  --shadow: 0 14px 40px rgba(16, 20, 18, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.65; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; letter-spacing: 0; }
img { max-width: 100%; display: block; }
.container { width: min(1200px, calc(100% - 64px)); margin: 0 auto; }
.site-header { height: 64px; background: rgba(255,255,255,.98); border-bottom: 1px solid #dbe8f4; position: sticky; top: 0; z-index: 50; }
.nav-wrap { height: 100%; display: flex; align-items: center; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 180px; font-weight: 800; font-size: 21px; }
.brand img { width: 32px; height: 32px; }
.brand small { color: var(--muted); font-size: 10px; font-weight: 500; display: block; line-height: 1; }
.nav { display: flex; height: 100%; align-items: center; gap: 38px; margin-left: 42px; }
.nav a { height: 100%; display: inline-flex; align-items: center; position: relative; font-size: 14px; }
.nav a.active::after, .nav a:hover::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--blue); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.btn { border: 1px solid var(--ink); border-radius: 4px; min-height: 38px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; background: #fff; font-weight: 650; transition: .2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.btn-dark { color: #fff; background: var(--ink); }
.site-header .btn-dark { color: #fff; background: var(--blue); border-color: var(--blue); }
.btn-outline { border-color: #1687de; color: #1377c0; }
.btn-lime { background: #24d7d1; border-color: #24d7d1; color: #071321; min-width: 188px; min-height: 52px; font-size: 16px; box-shadow: 0 0 30px rgba(36,215,209,.22); }
.hero { min-height: 524px; color: #fff; background: #0b1648 url("assets/hero-ai-space.jpg") center center / cover no-repeat; position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,30,82,.34), rgba(6,31,92,.2) 52%, rgba(0,45,118,.42)); }
.hero-inner { position: relative; text-align: center; padding-right: 0; }
.chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid rgba(193,225,255,.5); background: rgba(255,255,255,.13); color: #fff; border-radius: 20px; padding: 5px 17px; font-size: 13px; backdrop-filter: blur(6px); }
.hero h1 { font-size: 44px; line-height: 1.25; max-width: 980px; margin: 24px auto 18px; font-weight: 850; }
.hero h1 em { color: #35dcff; font-style: normal; }
.hero-lead { max-width: 760px; margin: 0 auto 30px; color: #aab8c4; font-size: 16px; }
.hero-actions { display: flex; justify-content: center; gap: 14px; }
.platform-label { margin: 34px 0 14px; font-size: 11px; color: #6f8daa; font-weight: 700; }
.platforms { display: flex; justify-content: center; gap: 14px; }
.platform { width: 58px; height: 58px; border: 1px solid rgba(255,255,255,.92); border-radius: 8px; background: #fff; display: grid; place-items: center; color: #111827; box-shadow: 0 8px 20px rgba(2, 12, 56, .2); }
.platform img { width: 34px; height: 34px; object-fit: contain; }
.hero-actions .btn:not(.btn-lime) { background: #fff !important; border-color: #fff !important; color: #111 !important; }
.trust-strip { border-bottom: 1px solid var(--line); background: #fff; padding: 20px 0; }
.trust-row { display: grid; grid-template-columns: 180px repeat(6, 1fr); align-items: center; gap: 18px; color: #98a09b; }
.trust-title { color: #5e685f; font-size: 13px; line-height: 1.35; }
.trust-title strong { color: var(--lime-deep); font-size: 22px; }
.trust-item { font-weight: 750; text-align: center; white-space: nowrap; }
.section { padding: 86px 0; }
.section-soft { background: #f7fbff url("assets/bg-tech-light.png") center center / cover no-repeat; }
.section-dark { background: #071321 url("assets/bg-tech-dark.png") center center / cover no-repeat; color: #fff; }
.workflow-section { background-image: linear-gradient(rgba(5,36,78,.44), rgba(5,36,78,.44)), url("assets/hero-network-blue.jpg"); background-position: center; background-size: cover; }
.technology-section { background: #fff; color: var(--ink); border-top: 0; }
.technology-section .section-head h2 { color: var(--ink); }
.technology-section .section-head .eyebrow { color: var(--blue); }
.technology-section .tech-grid { border-color: #d9e7f4; background: #fff; }
.technology-section .tech { border-color: #d9e7f4; }
.technology-section .tech i { color: var(--blue); }
.technology-section .tech h3 { color: var(--ink); }
.technology-section .tech p { color: var(--muted); }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: #8fa5b8; }
.section-dark .section-head .eyebrow { color: #35b9ff; }
.workflow-section .flow-step { border-color: #d8e7f4; background: rgba(255,255,255,.95); box-shadow: 0 10px 24px rgba(4,47,91,.14); }
.workflow-section .flow-step strong { color: var(--blue); }
.workflow-section .flow-step span { color: #17334d; }
.technology-section .section-head h2 { color: var(--ink); }
.technology-section .section-head p { color: var(--muted); }
.technology-section .section-head .eyebrow { color: var(--blue); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .eyebrow { color: var(--lime-deep); text-transform: uppercase; font-size: 12px; font-weight: 800; }
.section-head h2 { font-size: 34px; line-height: 1.3; margin: 8px 0 10px; }
.section-head p { margin: 0 auto; max-width: 680px; color: var(--muted); }
.section-dark .section-head p { color: #8fa5b8; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value { padding: 36px 42px; border-right: 1px solid var(--line); }
.value:last-child { border-right: 0; }
.value .num { color: var(--lime-deep); font-size: 12px; font-weight: 800; }
.value h3 { font-size: 21px; margin: 12px 0 10px; }
.value p { color: var(--muted); margin: 0; font-size: 14px; }
.capabilities { display: grid; gap: 88px; }
.cap-row { display: grid; grid-template-columns: 1fr 1.08fr; gap: 70px; align-items: center; }
.cap-row.reverse .cap-copy { order: 2; }
.cap-row.reverse .product-shot { order: 1; }
.cap-kicker { color: var(--lime-deep); font-weight: 800; font-size: 13px; }
.cap-copy h3 { font-size: 29px; margin: 10px 0 14px; }
.cap-copy p { color: var(--muted); }
.outcome { border-left: 3px solid var(--lime); padding-left: 14px; color: #303a34 !important; font-weight: 650; }
.product-shot { min-height: 310px; border: 1px solid #d9e7f4; border-radius: 8px; background: #fff; box-shadow: 0 14px 40px rgba(24,113,190,.12); padding: 18px; overflow: hidden; }
.shot-top { height: 30px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 6px; }
.shot-dot { width: 7px; height: 7px; border-radius: 50%; background: #d8dedb; }
.shot-grid { display: grid; grid-template-columns: 118px 1fr; gap: 14px; padding-top: 16px; min-height: 242px; }
.shot-side { background: #f3f6f4; border-radius: 5px; padding: 12px 8px; }
.shot-side span { display: block; height: 8px; background: #d9dfdc; border-radius: 4px; margin: 10px 0; }
.shot-side span.active { background: var(--lime); }
.shot-main { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-content: start; }
.metric { border: 1px solid var(--line); border-radius: 5px; padding: 12px; min-height: 72px; }
.metric b { display: block; font-size: 22px; }
.metric small { color: var(--muted); }
.chart { grid-column: 1 / -1; height: 126px; border: 1px solid var(--line); border-radius: 5px; position: relative; overflow: hidden; background: linear-gradient(to top, rgba(22,119,255,.14), transparent); }
.chart::after { content: ""; position: absolute; left: 5%; right: 5%; bottom: 24px; height: 80px; clip-path: polygon(0 80%, 15% 52%, 30% 65%, 46% 20%, 62% 44%, 78% 12%, 100% 24%, 100% 27%, 78% 17%, 62% 49%, 46% 26%, 30% 71%, 15% 58%, 0 86%); background: var(--lime-deep); }
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.flow-step { border: 1px solid #294862; background: rgba(16,36,58,.82); border-radius: 6px; padding: 18px 14px; min-height: 130px; }
.flow-step strong { display: block; color: #35dcff; font-size: 13px; margin-bottom: 30px; }
.flow-step span { font-size: 14px; color: #d2deea; }
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #294862; background: rgba(7,19,33,.36); }
.tech { min-height: 220px; padding: 28px; border-right: 1px solid #294862; }
.tech:last-child { border: 0; }
.tech i { color: var(--lime); width: 28px; height: 28px; }
.tech h3 { font-size: 18px; margin: 28px 0 12px; color: #fff; }
.tech p { color: #8fa5b8; font-size: 13px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { border-top: 1px solid var(--line); padding-top: 18px; display: block; }
.news-card:hover h3 { color: var(--lime-deep); }
.news-thumb { height: 172px; background: #0d120f; position: relative; overflow: hidden; margin-bottom: 18px; }
.news-thumb::before { content: "AIIP"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--lime); font-size: 38px; font-weight: 900; }
.news-thumb::after { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(154,245,61,.25); }
.news-card h3 { font-size: 18px; line-height: 1.45; margin: 0 0 10px; }
.news-card p { color: var(--muted); font-size: 13px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { background: #e6f3ff; color: #126bc2; font-size: 11px; padding: 4px 9px; border-radius: 2px; }
.cta { background: var(--lime); padding: 60px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta h2 { font-size: 30px; margin: 0; }
.footer { background: #0c100d; color: #fff; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 56px; }
.footer h3 { font-size: 14px; margin: 0 0 16px; }
.footer p, .footer li { color: #8e9791; font-size: 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin: 8px 0; }
.copyright { border-top: 1px solid #242a26; margin-top: 38px; padding-top: 18px; color: #717a74; font-size: 11px; }
.page-hero { padding: 76px 0; background: #edf7ff url("assets/bg-tech-light.png") center 55% / cover no-repeat; }
.page-hero h1 { font-size: 48px; margin: 0 0 8px; }
.page-hero p { max-width: 900px; color: #3f4b43; }
.feature-list { display: grid; gap: 70px; }
.feature-block { display: grid; grid-template-columns: 120px 1fr; gap: 30px; border-top: 1px solid var(--line); padding-top: 34px; }
.feature-no { font-size: 30px; font-weight: 850; color: var(--lime-deep); }
.feature-content h2 { margin-top: 0; font-size: 28px; }
.feature-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { border: 1px solid #d8e8f6; border-radius: var(--radius); padding: 24px; background: #fff; }
.feature-card h3 { margin: 0 0 8px; }
.timeline { border-left: 2px solid var(--lime); margin-left: 10px; padding-left: 34px; }
.timeline-item { margin-bottom: 30px; position: relative; }
.timeline-item::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--lime-deep); position: absolute; left: -40px; top: 8px; }
.news-hero { min-height: 300px; padding: 70px 0; background: #edf7ff url("assets/bg-tech-light.png") center 45% / cover no-repeat; position: relative; overflow: hidden; }
.news-hero::after { content: ""; position: absolute; right: 7%; top: -40px; width: 360px; height: 360px; border: 1px solid #cde9b0; transform: rotate(18deg); }
.news-hero h1 { font-size: 52px; margin: 0 0 10px; }
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
.filters { display: flex; gap: 10px; align-items: center; margin-bottom: 34px; }
.filter-btn { border: 1px solid var(--line); background: #fff; padding: 9px 16px; border-radius: 3px; cursor: pointer; }
.filter-btn.active { background: var(--ink); color: #fff; }
.search { margin-left: auto; border: 1px solid var(--line); padding: 9px 12px; min-width: 230px; }
.article-list { display: grid; gap: 0; }
.article-row { display: grid; grid-template-columns: 1fr 220px; gap: 28px; border-top: 1px solid var(--line); padding: 24px 0; }
.article-row h3 { font-size: 20px; margin: 0 0 8px; }
.article-row p { color: var(--muted); margin: 0 0 14px; font-size: 13px; }
.article-image { min-height: 132px; background: #101412; display: grid; place-items: center; color: var(--lime); font-weight: 900; }
.sidebar h3 { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.topic-cloud { display: flex; gap: 8px; flex-wrap: wrap; }
.topic-cloud span { background: #eaf5ff; color: #126bc2; padding: 6px 10px; font-size: 12px; }
.product-tabs { display: flex; justify-content: center; gap: 0; margin: -28px auto 56px; position: relative; z-index: 2; }
.product-tab { min-width: 180px; padding: 14px 26px; border: 1px solid #d9e7f4; background: #fff; color: #667789; font-weight: 700; text-align: center; }
.product-tab:first-child { border-radius: 4px 0 0 4px; }
.product-tab:last-child { border-radius: 0 4px 4px 0; }
.product-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 10px 26px rgba(22,119,255,.22); }
.product-overview { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; margin-bottom: 64px; }
.product-overview h2 { font-size: 32px; line-height: 1.35; margin: 0 0 16px; }
.product-overview h2 em { color: var(--blue); font-style: normal; }
.product-overview p { color: var(--muted); }
.insight-list { display: grid; gap: 12px; margin: 26px 0; }
.insight-list div { padding: 16px 18px; background: #f2f8ff; border-left: 3px solid var(--blue); }
.dashboard-mock { min-height: 330px; border: 1px solid #d8e8f6; border-radius: 8px; padding: 18px; background: linear-gradient(135deg,#f4fbff,#e9f5ff); box-shadow: 0 18px 42px rgba(22,119,255,.14); }
.dashboard-mock .mock-header { display:flex; justify-content:space-between; align-items:center; padding-bottom:14px; border-bottom:1px solid #d6e8f7; color:#2770b4; font-weight:700; }
.mock-grid { display:grid; grid-template-columns:1.2fr .8fr; gap:14px; margin-top:16px; }
.mock-panel { min-height: 114px; background:#fff; border:1px solid #dbeaf7; border-radius:6px; padding:14px; }
.mock-panel strong { display:block; font-size:22px; color:#126bc2; }
.mock-line { height:8px; background:#d9edf9; margin-top:12px; border-radius:6px; position:relative; overflow:hidden; }
.mock-line::after { content:""; display:block; width:72%; height:100%; background:linear-gradient(90deg,var(--blue),var(--cyan)); }
.solution-hero { padding: 58px 0 26px; background: #f7fbff url("assets/bg-tech-light.png") center top / cover no-repeat; }
.solution-hero h1 { margin:0 0 8px; font-size:36px; }
.solution-hero p { margin:0; color:var(--muted); }
.solution-section { padding: 24px 0 76px; }
.solution-section h2 { font-size:24px; margin: 30px 0 18px; }
.solution-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:18px; }
.solution-card { min-height:128px; background:#f4f8fb; border:1px solid #e1edf6; padding:24px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; transition:.2s ease; }
.solution-card:hover { transform:translateY(-3px); border-color:#8bc9ff; box-shadow:0 12px 26px rgba(22,119,255,.1); }
.solution-card i { color:var(--blue); width:24px; height:24px; margin-bottom:14px; }
.solution-card strong { font-size:16px; }
.solution-card span { color:#7890a4; font-size:12px; margin-top:6px; }
.pagination { display: flex; gap: 8px; margin-top: 28px; }
.pagination button { width: 34px; height: 34px; border: 1px solid var(--line); background: #fff; }
.pagination button.active { background: var(--ink); color: #fff; }
.breadcrumbs { font-size: 12px; color: var(--muted); margin-bottom: 24px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 60px; }
.article-main h1 { font-size: 34px; line-height: 1.35; }
.article-meta { color: var(--muted); font-size: 12px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.article-body { font-size: 16px; line-height: 2; padding-top: 22px; }
.article-body h2 { font-size: 24px; margin-top: 38px; }
.article-body strong { color: var(--lime-deep); }
.article-callout { background: var(--mint); border-left: 4px solid var(--lime-deep); padding: 20px 24px; }
.mobile-menu { display: none; }
@media (max-width: 900px) {
  .container { width: min(100% - 32px, 720px); }
  .nav { display: none; }
  .header-actions .btn-dark { display: none; }
  .mobile-menu { display: inline-flex; border: 0; background: transparent; }
  .hero { padding-top: 56px; }
  .hero-inner { padding-right: 0; }
  .hero h1 { font-size: 34px; }
  .trust-row { grid-template-columns: repeat(2, 1fr); }
  .trust-title { grid-column: 1 / -1; }
  .values, .cap-row, .news-layout, .article-layout { grid-template-columns: 1fr; }
  .value { border-right: 0; border-bottom: 1px solid var(--line); }
  .cap-row.reverse .cap-copy, .cap-row.reverse .product-shot { order: initial; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .tech-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 8px; }
  .feature-cards { grid-template-columns: 1fr; }
  .filters { flex-wrap: wrap; }
  .search { width: 100%; margin-left: 0; }
  .product-overview { grid-template-columns: 1fr; gap: 28px; }
  .solution-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  .site-header { height: 58px; }
  .brand { min-width: 0; font-size: 18px; }
  .brand small { display: none; }
  .header-actions { gap: 7px; }
  .header-actions .btn { padding: 0 12px; min-height: 34px; font-size: 12px; }
  .hero h1 { font-size: 29px; }
  .hero-inner { text-align: center; }
  .chips, .hero-actions, .platforms { justify-content: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .platforms { gap: 8px; }
  .platform { width: 46px; height: 46px; }
  .platform img { width: 28px; height: 28px; }
  .section { padding: 62px 0; }
  .section-head h2, .cta h2 { font-size: 26px; }
  .tech-grid, .news-grid, .footer-grid { grid-template-columns: 1fr; }
  .tech { border-right: 0; border-bottom: 1px solid #294862; }
  .technology-section .tech { border-bottom-color: #d9e7f4; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .article-row { grid-template-columns: 1fr; }
  .news-hero h1, .page-hero h1 { font-size: 38px; }
  .product-tabs { margin-top: -18px; margin-bottom: 38px; padding: 0 16px; overflow-x: auto; justify-content: flex-start; }
  .product-tab { min-width: 138px; padding: 12px 14px; font-size: 13px; }
  .product-overview h2 { font-size: 27px; }
  .solution-grid { grid-template-columns: 1fr; }
}
