:root {
  --bg: #070b13;
  --surface: #0c1320;
  --surface-raised: #101a2a;
  --line: #202b3c;
  --line-soft: #172130;
  --text: #f4f7fb;
  --muted: #98a6b9;
  --dim: #68768a;
  --cyan: #72e6f4;
  --violet: #b493fb;
  --good: #78dfbd;
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, "Microsoft YaHei", "PingFang SC", Arial, sans-serif; font-size: 15px; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 9; top: 8px; left: 8px; transform: translateY(-160%); background: var(--text); color: #06101b; padding: 8px 12px; border-radius: 4px; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 74px; border-bottom: 1px solid var(--line-soft); background: rgba(7, 11, 19, .96); }
.header-inner { height: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.brand { display: inline-flex; width: max-content; align-items: center; gap: 9px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font-size: 11px; letter-spacing: .12em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 6px; letter-spacing: .1em; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 13px; color: #bdc8d7; white-space: nowrap; }
.main-nav a, .text-link, .access-links a { transition: color .2s ease; }
.main-nav a:hover, .text-link:hover, .access-links a:hover { color: var(--cyan); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 9px; font-size: 12px; white-space: nowrap; }
.compact-control { display: inline-flex; gap: 5px; align-items: center; min-height: 34px; padding: 0 10px; border: 1px solid var(--line); border-radius: 5px; color: #c4cfde; }
.compact-control:first-child { color: var(--cyan); }
.compact-control b { color: #c4cfde; font-size: 12px; font-weight: 500; }
.console-link { min-height: 34px; display: inline-grid; place-items: center; padding: 0 12px; border: 1px solid #314058; border-radius: 5px; background: #101c2b; font-weight: 600; transition: background .2s ease, border-color .2s ease; }
.console-link:hover { border-color: var(--cyan); background: #14263a; }

.section { padding: 112px 0; }
.section-tight { padding: 72px 0; }
.hero { padding-top: 86px; border-bottom: 1px solid var(--line-soft); }
.hero-grid { display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: clamp(48px, 8vw, 108px); }
.eyebrow { margin: 0 0 16px; color: var(--cyan); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin-bottom: 24px; font-size: clamp(42px, 4.5vw, 68px); line-height: 1.12; letter-spacing: -.05em; }
h1 span { color: var(--cyan); }
.hero-summary { max-width: 510px; margin-bottom: 30px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 14px; padding: 0 18px; border-radius: 5px; font-size: 13px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #07101a; background: linear-gradient(105deg, var(--cyan), #94dbf9 55%, var(--violet)); box-shadow: 0 7px 20px rgba(99, 196, 242, .14); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: #d5e1f0; font-weight: 600; font-size: 13px; }

.signal-board { overflow: hidden; border: 1px solid #273449; border-radius: 8px; background: var(--surface); box-shadow: 0 16px 42px rgba(0, 0, 0, .22); }
.board-topline { display: flex; justify-content: space-between; align-items: center; height: 48px; padding: 0 19px; border-bottom: 1px solid var(--line); color: #aab8c9; font-size: 10px; letter-spacing: .11em; }
.board-live { color: var(--good); letter-spacing: .08em; }
.board-live i { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 100%; background: var(--good); }
.signal-map { position: relative; height: 213px; border-bottom: 1px solid var(--line); background: #0a111d; }
.signal-map::before { content: ""; position: absolute; inset: 0; opacity: .45; background-image: linear-gradient(#172333 1px, transparent 1px), linear-gradient(90deg, #172333 1px, transparent 1px); background-size: 44px 44px; }
.signal-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.signal-map path { fill: none; stroke: var(--cyan); stroke-width: 2; filter: drop-shadow(0 0 5px rgba(114, 230, 244, .48)); }
.signal-map .path-faint { stroke: #526c91; stroke-width: 1.25; filter: none; }
.map-dot { position: absolute; z-index: 1; width: 7px; height: 7px; border: 2px solid var(--cyan); border-radius: 50%; background: var(--surface); }
.dot-one { left: 12%; top: 52%; }.dot-two { left: 29%; top: 33%; }.dot-three { left: 46%; top: 53%; }.dot-four { left: 60%; top: 27%; }.dot-five { left: 74%; top: 37%; }.dot-six { left: 89%; top: 20%; }
.board-data-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.board-cell { min-height: 92px; padding: 15px 16px; border-right: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; align-content: center; gap: 3px; }
.board-cell:last-child { border-right: 0; }.board-cell span { grid-column: 1 / -1; color: var(--dim); font-size: 11px; }.board-cell strong { font-size: 13px; }.up { color: var(--good); font-size: 13px; }
.board-foot { display: flex; gap: 21px; padding: 12px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }.board-foot span::before { content: ""; display: inline-block; width: 4px; height: 4px; margin: 0 7px 2px 0; border-radius: 50%; background: var(--good); }
.stats { display: flex; width: var(--shell); margin-top: 65px; border-top: 1px solid var(--line); }
.stats div { flex: 1; display: flex; flex-direction: column; gap: 4px; padding: 19px 0 0 24px; border-right: 1px solid var(--line); }.stats div:first-child { padding-left: 0; }.stats div:last-child { border-right: 0; }.stats strong { font-size: 28px; line-height: 1; letter-spacing: -.04em; }.stats span { color: var(--dim); font-size: 12px; }

.coverage { border-bottom: 1px solid var(--line-soft); }.coverage-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 86px; align-items: start; }.coverage h2, .section-heading h2, .access h2, .contact h2, .capability-callout h2 { margin-bottom: 16px; font-size: clamp(29px, 3.2vw, 43px); line-height: 1.2; letter-spacing: -.04em; }.section-summary { max-width: 600px; color: var(--muted); }.coverage .text-link { margin-top: 16px; }
.coverage-list { border-top: 1px solid var(--line); }.source-row { display: grid; grid-template-columns: 112px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }.source-label { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; }.source-label b { color: var(--cyan); background: #142737; padding: 1px 5px; border-radius: 3px; font-size: 11px; }.tag-list { display: flex; flex-wrap: wrap; gap: 7px; }.tag-list span { padding: 4px 8px; border: 1px solid #263348; border-radius: 3px; color: #cbd7e5; background: #0b121e; font-size: 11px; }

.scenarios { border-bottom: 1px solid var(--line-soft); }.section-heading { max-width: 720px; margin-bottom: 46px; }.scenario-list { display: grid; gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: var(--line); }.scenario-card { min-height: 236px; display: grid; grid-template-columns: 150px 1fr 300px; gap: 28px; padding: 31px; background: var(--surface); }.scenario-index { color: var(--cyan); font-weight: 700; font-size: 13px; }.scenario-index span { display: block; margin-top: 5px; color: var(--dim); font-size: 9px; letter-spacing: .08em; }.scenario-content h3 { margin-bottom: 10px; font-size: 25px; letter-spacing: -.035em; }.scenario-content p { max-width: 520px; margin-bottom: 17px; color: var(--muted); font-size: 13px; }.chip-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }.chip-list li { padding: 4px 8px; border: 1px solid #27394a; border-radius: 100px; color: #c9dae5; background: #101f2d; font-size: 11px; }.chip-list li::before { content: "•"; margin-right: 5px; color: var(--good); }
.data-viz { align-self: stretch; min-height: 150px; padding: 17px; border: 1px solid #243349; border-radius: 5px; background: #09111d; }.viz-header { display: flex; justify-content: space-between; color: var(--dim); font-size: 10px; }.product-lines { display: grid; gap: 8px; margin-top: 18px; }.product-lines i { height: 6px; border-radius: 2px; background: linear-gradient(90deg, #314e69 30%, #1a2d43 30%); }.product-lines i:nth-child(2) { background: linear-gradient(90deg, #3f6590 65%, #1a2d43 65%); }.product-lines i:nth-child(3) { background: linear-gradient(90deg, #287a7f 45%, #1a2d43 45%); }.product-lines i:nth-child(4) { background: linear-gradient(90deg, #7260a1 75%, #1a2d43 75%); }.product-lines i:nth-child(5) { background: linear-gradient(90deg, #315b7d 55%, #1a2d43 55%); }.mini-bars { display: flex; align-items: end; gap: 7px; height: 43px; margin-top: 12px; }.mini-bars b { width: 10px; border-radius: 2px 2px 0 0; background: var(--cyan); opacity: .75; }.mini-bars b:nth-child(1) { height: 35%; }.mini-bars b:nth-child(2) { height: 60%; }.mini-bars b:nth-child(3) { height: 48%; }.mini-bars b:nth-child(4) { height: 76%; }.mini-bars b:nth-child(5) { height: 58%; }.mini-bars b:nth-child(6) { height: 92%; }.trend-viz svg { width: 100%; height: 100px; margin-top: 10px; }.trend-viz path { fill: none; stroke: var(--cyan); stroke-width: 2.4; }.trend-scale { display: flex; justify-content: space-between; color: var(--dim); font-size: 9px; }.quote-line { height: 7px; margin-top: 13px; border-radius: 2px; background: #263b51; }.w-90 { width: 90%; }.w-70 { width: 70%; background: #1b3044; }.w-82 { width: 82%; background: #304256; }.sentiment { display: flex; align-items: end; gap: 9px; height: 45px; margin-top: 19px; }.sentiment i { width: 17px; height: 17px; border-radius: 2px; background: #285b70; }.sentiment i:nth-child(2), .sentiment i:nth-child(5) { height: 27px; background: var(--cyan); }.sentiment i:nth-child(3) { height: 38px; background: var(--good); }.sentiment i:nth-child(4) { height: 22px; background: #426985; }.capability-callout { display: flex; align-items: center; justify-content: space-between; gap: 36px; margin-top: 18px; padding: 35px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-raised); }.capability-callout h2 { margin-bottom: 8px; font-size: 27px; }.capability-callout p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 13px; }.capability-callout .button { flex: 0 0 auto; }

.access { background: #080d16; }.access-heading { margin-bottom: 48px; }.access-kicker { margin: 0 0 12px; color: var(--dim); font-size: 10px; letter-spacing: .12em; }.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }.access-card { min-height: 360px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); }.access-card-top { display: flex; align-items: center; justify-content: space-between; color: var(--dim); font-size: 10px; letter-spacing: .1em; }.type-badge { padding: 3px 7px; border-radius: 3px; background: #174454; color: var(--cyan); font-weight: 800; letter-spacing: 0; }.type-badge.violet { background: #2b2549; color: var(--violet); }.access-card h3 { margin: 29px 0 10px; font-size: 26px; letter-spacing: -.04em; }.access-card p { margin-bottom: 20px; color: var(--muted); font-size: 13px; }.access-card ul { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 0; list-style: none; }.access-card li { border: 1px solid #263348; border-radius: 3px; padding: 3px 7px; color: #bdccdb; font-size: 11px; }.access-links { display: flex; justify-content: space-between; gap: 10px; padding-top: 22px; margin-top: auto; border-top: 1px solid var(--line); }.access-links a { color: #cfe0ec; font-size: 12px; }.access-links a:first-child { color: var(--cyan); }.shared-capabilities { display: flex; align-items: center; gap: 20px; margin-top: 12px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); color: var(--muted); font-size: 11px; }.shared-capabilities strong { margin-right: auto; color: #d5e0ed; }.shared-capabilities span::before { content: "•"; margin-right: 7px; color: var(--good); }

.contact-card { display: grid; grid-template-columns: 1fr 270px; gap: 70px; align-items: center; padding: 51px 70px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }.contact h2 { margin-bottom: 14px; }.contact-copy > p:not(.eyebrow) { color: var(--muted); }.contact-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 0; margin: 26px 0 15px; list-style: none; }.contact-steps li { display: flex; align-items: flex-start; gap: 9px; padding: 10px; border: 1px solid #213045; border-radius: 4px; }.contact-steps b { color: var(--cyan); font-size: 10px; }.contact-steps span { display: grid; color: var(--dim); font-size: 10px; line-height: 1.5; }.contact-steps strong { color: #e1e9f2; font-size: 12px; }.contact-copy > small { color: var(--good); font-size: 11px; }.contact-copy > small::before { content: "•"; margin-right: 7px; }.qr-card { width: 230px; margin: 0; padding: 12px; border: 1px solid #27374d; border-radius: 7px; background: #101a28; }.qr-card figcaption { display: grid; grid-template-columns: auto 1fr; column-gap: 7px; align-items: center; margin-bottom: 10px; line-height: 1.25; }.qr-card figcaption span { grid-row: 1 / 3; padding: 3px; border-radius: 3px; color: var(--cyan); background: #174454; font-size: 9px; }.qr-card figcaption b { font-size: 11px; }.qr-card figcaption small { color: var(--muted); font-size: 10px; }.qr-card img { display: block; width: 100%; padding: 7px; border-radius: 4px; background: #fff; }.qr-card p { margin: 8px 0 0; color: var(--muted); text-align: center; font-size: 10px; }

.site-footer { padding: 30px 0 41px; border-top: 1px solid var(--line-soft); }.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; color: var(--dim); font-size: 10px; }.footer-inner p { margin: 0; text-align: center; }.footer-inner > a:last-child { justify-self: end; color: var(--muted); }.footer-inner > a:last-child:hover { color: var(--cyan); }

a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: 3px; }
@media (max-width: 900px) { .site-header { height: auto; }.header-inner { grid-template-columns: 1fr auto; min-height: 68px; padding: 13px 0; }.main-nav { grid-row: 2; grid-column: 1 / -1; order: 3; justify-content: flex-start; gap: 19px; overflow-x: auto; padding-top: 2px; }.header-actions { gap: 7px; }.compact-control { padding: 0 7px; }.hero-grid, .coverage-grid { grid-template-columns: 1fr; }.hero-grid { gap: 46px; }.hero-copy { max-width: 680px; }.scenario-card { grid-template-columns: 115px 1fr; }.data-viz { grid-column: 2; min-height: 130px; }.contact-card { gap: 40px; padding: 40px; }.contact-steps { grid-template-columns: 1fr; }.shared-capabilities { flex-wrap: wrap; }.shared-capabilities strong { flex-basis: 100%; } }
@media (max-width: 640px) { :root { --shell: min(100% - 32px, 1180px); }.section { padding: 72px 0; }.section-tight { padding: 56px 0; }.hero { padding-top: 54px; }.header-actions .compact-control:first-child { display: none; }.header-actions { font-size: 11px; }.console-link { padding: 0 9px; }.main-nav { font-size: 12px; }.hero-summary { font-size: 15px; }.hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }.signal-map { height: 170px; }.board-data-grid { grid-template-columns: 1fr 1fr; }.board-cell:nth-child(2) { border-right: 0; }.board-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }.board-foot { flex-wrap: wrap; gap: 5px 14px; }.stats { margin-top: 42px; }.stats strong { font-size: 24px; }.coverage-grid { gap: 34px; }.source-row { grid-template-columns: 1fr; gap: 10px; }.section-heading { margin-bottom: 32px; }.scenario-card { grid-template-columns: 1fr; gap: 18px; padding: 24px; }.scenario-index span { display: inline; margin: 0 0 0 4px; }.data-viz { grid-column: auto; min-height: 130px; }.capability-callout { align-items: flex-start; flex-direction: column; padding: 26px; }.access-grid { grid-template-columns: 1fr; }.access-card { min-height: 330px; padding: 24px; }.access-links { align-items: flex-start; flex-direction: column; }.shared-capabilities { align-items: flex-start; flex-direction: column; gap: 7px; }.contact-card { grid-template-columns: 1fr; padding: 28px; }.qr-card { width: min(230px, 100%); }.footer-inner { grid-template-columns: 1fr; gap: 20px; }.footer-inner p { text-align: left; }.footer-inner > a:last-child { justify-self: start; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button, .main-nav a, .text-link, .access-links a, .console-link { transition: none; } }
