:root {
  --ink: #142731;
  --ink-soft: #42606a;
  --paper: #f8faf8;
  --paper-warm: #f2f3ee;
  --white: #ffffff;
  --blue: #1977b7;
  --blue-deep: #0d4f7a;
  --gold: #f6b52d;
  --coral: #e56643;
  --line: #dce5e2;
  --shadow: 0 18px 45px rgba(20, 39, 49, 0.12);
  --container: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; font-size: 17px; line-height: 1.65; }
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 112px 0; }
.skip-link { position: fixed; left: 16px; top: -48px; z-index: 99; background: var(--ink); color: #fff; padding: 8px 12px; transition: top 180ms ease; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; z-index: 10; top: 0; left: 0; width: 100%; min-height: 88px; padding: 0 4.5vw; display: flex; align-items: center; justify-content: space-between; color: #fff; border-bottom: 1px solid rgba(255,255,255,.23); background: rgba(7, 23, 31, .22); backdrop-filter: blur(10px); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-mark { width: 35px; height: 35px; position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; transform: skewY(-20deg); }
.brand-mark i { display: block; background: var(--gold); }
.brand-mark i:nth-child(1) { background: #fff; }
.brand-mark i:nth-child(2) { background: var(--gold); transform: translateY(-5px); }
.brand-mark i:nth-child(3) { background: var(--blue); transform: translateY(5px); }
.brand-copy { display: grid; line-height: 1.05; gap: 4px; }
.brand-copy strong { font-size: 18px; font-weight: 800; letter-spacing: 0; }
.brand-copy small { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; opacity: .7; }
.desktop-nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.desktop-nav a { opacity: .88; transition: opacity .2s; }
.desktop-nav a:hover { opacity: 1; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.phone-link { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.phone-link svg { width: 17px; height: 17px; color: var(--gold); }
.icon-button { border: 0; width: 42px; height: 42px; display: inline-grid; place-items: center; background: transparent; color: inherit; }
.icon-button svg { width: 21px; height: 21px; }
.menu-button { display: none; border: 1px solid rgba(255,255,255,.45); }
.mobile-nav { display: none; }
.product-nav { position: sticky; top: 0; z-index: 16; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); box-shadow: 0 4px 16px rgba(20,39,49,.06); }
.product-nav-inner { width: var(--container); min-height: 47px; margin: 0 auto; display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
.product-nav-inner::-webkit-scrollbar { display: none; }
.product-nav-label { flex: 0 0 auto; margin-right: 9px; color: var(--blue-deep); font-size: 12px; font-weight: 800; letter-spacing: 1px; }
.product-nav a { flex: 0 0 auto; padding: 5px 12px; color: var(--ink-soft); font-size: 13px; font-weight: 700; transition: color .2s, background .2s; }
.product-nav a:hover, .product-nav a:focus-visible { color: var(--ink); background: #e8f1f4; outline: 0; }
.site-header + .product-nav { position: absolute; top: 88px; left: 0; right: 0; z-index: 9; border-color: rgba(255,255,255,.2); background: rgba(7,23,31,.2); box-shadow: none; }
.site-header + .product-nav .product-nav-label { color: var(--gold); }
.site-header + .product-nav a { color: rgba(255,255,255,.82); }
.site-header + .product-nav a:hover, .site-header + .product-nav a:focus-visible { color: #fff; background: rgba(255,255,255,.12); }

.hero { position: relative; min-height: 760px; min-height: 100svh; overflow: hidden; background: var(--ink); color: #fff; display: grid; align-items: end; padding: 180px 0 150px; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .9; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 25, 35, .9) 0%, rgba(8, 25, 35, .62) 44%, rgba(8, 25, 35, .17) 100%); }
.hero-content, .hero-proof, .scroll-cue { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--blue-deep); margin: 0 0 18px; font-size: 12px; letter-spacing: 1.5px; font-weight: 800; }
.eyebrow span { width: 32px; height: 2px; background: var(--coral); display: inline-block; }
.eyebrow.light { color: var(--gold); }
.eyebrow.light span { background: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; max-width: 800px; font-size: clamp(44px, 6vw, 82px); letter-spacing: 0; line-height: 1.12; font-weight: 800; }
.hero-summary { max-width: 590px; font-size: 19px; line-height: 1.8; color: rgba(255,255,255,.9); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { min-height: 48px; padding: 0 19px; border: 1px solid transparent; display: inline-flex; align-items: center; justify-content: center; gap: 9px; font-size: 14px; font-weight: 800; letter-spacing: 0; transition: transform .2s, background .2s, border .2s; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 17px; height: 17px; }
.button-primary { color: var(--ink); background: var(--gold); }
.button-ghost { color: #fff; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.62); }
.button-dark { background: var(--ink); color: #fff; }
.hero-proof { position: absolute; right: 4.5vw; bottom: 66px; display: flex; gap: 34px; padding-left: 34px; border-left: 1px solid rgba(255,255,255,.45); }
.hero-proof div { display: grid; gap: 2px; }
.hero-proof strong { font-size: 28px; line-height: 1; font-weight: 800; color: var(--gold); }
.hero-proof sup { font-size: 14px; }
.hero-proof span { font-size: 11px; color: rgba(255,255,255,.78); letter-spacing: 1px; }
.scroll-cue { position: absolute; left: 4.5vw; bottom: 42px; display: inline-flex; align-items: center; gap: 9px; font-size: 11px; letter-spacing: 1.3px; color: rgba(255,255,255,.76); }
.scroll-cue span { display: inline-block; width: 28px; height: 1px; background: var(--gold); }

.intro-band { padding: 74px 0; background: var(--gold); }
.intro-grid { display: grid; grid-template-columns: .7fr 1.5fr 1fr; align-items: start; gap: 54px; }
.intro-band .eyebrow { color: var(--ink); margin-top: 12px; }
.intro-band .eyebrow span { background: var(--ink); }
.intro-statement { margin: 0; font-size: clamp(26px, 3vw, 42px); line-height: 1.36; }
.intro-statement strong { font-weight: 800; }
.intro-copy { margin: 9px 0 0; color: #263a42; font-size: 16px; }

.section-heading { margin-bottom: 54px; }
.section-heading h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.2; margin-bottom: 0; letter-spacing: 0; }
.split-heading { display: grid; grid-template-columns: 1.5fr .8fr; align-items: end; gap: 60px; }
.split-heading > p { margin: 0 0 4px; font-size: 16px; color: var(--ink-soft); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 330px; padding: 34px 31px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); transition: background .25s, color .25s; overflow: hidden; }
.service-card:hover, .service-card:focus-within { background: var(--ink); color: #fff; }
.service-card:hover p, .service-card:focus-within p { color: rgba(255,255,255,.72); }
.service-card:hover .text-link, .service-card:focus-within .text-link { color: var(--gold); }
.service-featured { background: #e8f1f4; }
.service-number { position: absolute; right: 26px; top: 24px; color: rgba(20,39,49,.38); font-size: 13px; font-weight: 800; }
.service-card:hover .service-number { color: rgba(255,255,255,.45); }
.service-icon { width: 31px; height: 31px; color: var(--blue); margin-bottom: 41px; stroke-width: 1.65; }
.service-card h3 { font-size: 22px; margin-bottom: 11px; letter-spacing: 0; }
.service-card p { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.text-link { position: absolute; left: 31px; bottom: 26px; border: 0; padding: 0; background: transparent; color: var(--blue-deep); display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 800; }
.text-link svg { width: 16px; height: 16px; }

.solutions { background: var(--ink); color: #fff; }
.solutions .eyebrow { color: var(--gold); }.solutions .eyebrow span { background: var(--gold); }
.solution-tabs { display: flex; border-bottom: 1px solid rgba(255,255,255,.25); overflow-x: auto; }
.solution-tabs button { flex: 1 0 auto; min-width: 150px; color: rgba(255,255,255,.6); background: none; border: 0; padding: 18px 12px 17px; border-bottom: 3px solid transparent; font-weight: 700; }
.solution-tabs button[aria-selected="true"] { color: #fff; border-color: var(--gold); }
.solution-panel { display: grid; grid-template-columns: .55fr 1.65fr auto; gap: 45px; align-items: start; padding: 53px 0 6px; }
.solution-index { color: var(--gold); font-size: 14px; font-weight: 800; padding-top: 10px; }
.solution-panel h3 { font-size: 32px; margin-bottom: 12px; }
.solution-panel p { color: rgba(255,255,255,.74); max-width: 690px; margin-bottom: 25px; }
.solution-panel ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 15px; }.solution-panel li::before { content: ""; width: 6px; height: 6px; display: inline-block; margin: 0 8px 2px 0; background: var(--coral); }
.round-button { width: 64px; height: 64px; border-radius: 50%; border: 1px solid rgba(255,255,255,.55); background: transparent; color: #fff; display: grid; place-items: center; transition: background .2s, color .2s; }.round-button:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }.round-button svg { width: 26px; height: 26px; }

.case-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 16px; }
.case-card { min-height: 470px; position: relative; overflow: hidden; background: var(--ink); }
.case-wide { grid-column: span 3; min-height: 320px; }
.case-card button { display: block; position: absolute; inset: 0; width: 100%; border: 0; color: #fff; background: transparent; text-align: left; padding: 28px; overflow: hidden; }
.case-card video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }.case-card:hover video { transform: scale(1.055); }
.case-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,20,28,.86), rgba(5,20,28,.04) 72%); }
.case-meta, .case-card h3, .case-card button > svg { position: relative; z-index: 1; }.case-meta { display: block; font-size: 11px; letter-spacing: 1px; color: var(--gold); font-weight: 800; }.case-card h3 { position: absolute; left: 28px; bottom: 25px; margin: 0; font-size: 25px; line-height: 1.25; }.case-card button > svg { position: absolute; right: 25px; bottom: 28px; width: 24px; height: 24px; }

.workflow { background: #e8f1f4; }.workflow-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #b9cbd0; }.workflow-list li { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 21px 0; border-bottom: 1px solid #b9cbd0; }.workflow-list span { font-weight: 800; color: var(--coral); }.workflow-list h3 { font-size: 18px; margin-bottom: 4px; }.workflow-list p { margin-bottom: 0; color: var(--ink-soft); font-size: 14px; }

.network { background: var(--paper-warm); }.network-layout { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: 110px; }.network h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.2; margin-bottom: 20px; }.network-layout > div > p:not(.eyebrow) { color: var(--ink-soft); margin-bottom: 28px; }.city-board { border-top: 4px solid var(--blue); background: #fff; padding: 28px 30px 26px; box-shadow: var(--shadow); }.city-board-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; font-weight: 800; }.city-board-top button { border: 0; color: var(--blue); background: transparent; font-weight: 800; }.city-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 25px 0; }.city-list button { padding: 7px 10px; min-width: 58px; background: var(--paper-warm); border: 1px solid transparent; color: var(--ink); font-size: 13px; }.city-list button:hover, .city-list button.active { color: #fff; background: var(--blue); }.city-board p { min-height: 44px; margin: 0; color: var(--ink-soft); font-size: 13px; border-top: 1px solid var(--line); padding-top: 16px; }

.faq-list { border-top: 1px solid var(--line); }.faq-list details { border-bottom: 1px solid var(--line); padding: 0 5px; }.faq-list summary { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; list-style: none; padding: 22px 0; font-weight: 800; font-size: 17px; cursor: pointer; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary svg { width: 20px; transition: transform .2s; }.faq-list details[open] summary svg { transform: rotate(45deg); }.faq-list details p { margin: -3px 40px 21px 0; color: var(--ink-soft); font-size: 14px; }

.contact-band { background: var(--blue-deep); color: #fff; padding: 78px 0; }.contact-layout { display: flex; align-items: end; justify-content: space-between; gap: 40px; }.contact-band h2 { font-size: clamp(28px, 3.4vw, 45px); line-height: 1.27; margin: 0; }.contact-actions { display: flex; align-items: center; gap: 17px; }.contact-phone { display: flex; gap: 11px; align-items: center; color: #fff; font-size: 19px; font-weight: 800; line-height: 1.18; }.contact-phone svg { color: var(--gold); width: 27px; height: 27px; }.contact-phone small { display: block; font-size: 11px; color: rgba(255,255,255,.74); margin-top: 5px; letter-spacing: 1px; font-weight: 500; }

.site-footer { color: rgba(255,255,255,.72); background: #0c1b23; padding: 53px 0 20px; }.footer-grid { display: grid; grid-template-columns: 1.2fr 1.3fr .9fr; gap: 30px; align-items: start; }.brand-footer { color: #fff; }.site-footer p { margin: 0; font-size: 13px; }.site-footer > .footer-grid > div { text-align: right; }.site-footer > .footer-grid > div a { display: block; color: #fff; font-size: 18px; font-weight: 800; }.footer-wechat { padding: 0; margin-top: 9px; border: 0; background: transparent; color: var(--gold); font-size: 13px; }.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 42px; padding-top: 18px; display: flex; justify-content: space-between; font-size: 11px; color: rgba(255,255,255,.45); }
.footer-guide-link { display: inline-block; margin-top: 8px; color: var(--gold); font-weight: 700; }

.wechat-dialog, .case-dialog { position: fixed; z-index: 30; inset: 0; display: grid; place-items: center; padding: 20px; }.wechat-dialog[hidden], .case-dialog[hidden] { display: none; }.dialog-backdrop { position: absolute; inset: 0; background: rgba(7,18,24,.7); backdrop-filter: blur(4px); }.wechat-panel, .case-panel { position: relative; z-index: 1; background: #fff; box-shadow: 0 28px 90px rgba(0,0,0,.3); }.wechat-panel { width: min(390px, 100%); padding: 34px; text-align: center; }.wechat-panel .eyebrow { justify-content: center; }.wechat-panel h2 { font-size: 24px; margin-bottom: 18px; }.wechat-panel img { width: 220px; height: 220px; object-fit: cover; margin: 0 auto 16px; }.wechat-panel > p:last-child { margin-bottom: 0; font-size: 14px; color: var(--ink-soft); }.dialog-close { position: absolute; top: 8px; right: 8px; z-index: 2; color: var(--ink); }.case-panel { width: min(1050px, 100%); max-height: min(720px, calc(100svh - 40px)); display: grid; grid-template-columns: 1.1fr .9fr; overflow: auto; }.case-dialog-media { min-height: 460px; background: var(--ink); }.case-dialog-media video { height: 100%; width: 100%; object-fit: cover; }.case-dialog-copy { padding: 52px 39px 36px; }.case-dialog-copy h2 { font-size: 32px; line-height: 1.24; margin-bottom: 15px; }.case-dialog-copy > p { color: var(--ink-soft); }.case-dialog-copy dl { margin: 25px 0 30px; border-top: 1px solid var(--line); }.case-dialog-copy dl div { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line); padding: 9px 0; font-size: 13px; }.case-dialog-copy dt { color: var(--ink-soft); }.case-dialog-copy dd { margin: 0; text-align: right; font-weight: 800; }

@media (max-width: 900px) { .desktop-nav { display: none; }.menu-button { display: inline-grid; }.mobile-nav { position: fixed; inset: 88px 0 auto; z-index: 9; padding: 22px 6vw; display: grid; gap: 7px; background: var(--ink); color: #fff; transform: translateY(-130%); transition: transform .25s; }.mobile-nav.open { transform: translateY(0); }.mobile-nav a { padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.18); }.hero-proof { right: auto; left: 4.5vw; bottom: 60px; }.scroll-cue { display: none; }.intro-grid, .workflow-grid, .network-layout { grid-template-columns: 1fr; gap: 33px; }.intro-grid .eyebrow { margin-top: 0; }.service-grid { grid-template-columns: repeat(2, 1fr); }.case-grid { grid-template-columns: 1.2fr 1fr; }.case-card:last-child { grid-column: span 2; min-height: 340px; }.case-wide { grid-column: span 2; }.case-large { min-height: 400px; }.workflow-grid { gap: 47px; }.network-layout { gap: 50px; }.contact-layout { align-items: start; flex-direction: column; }.footer-grid { grid-template-columns: 1fr 1fr; }.footer-grid > p { display: none; }.site-footer > .footer-grid > div { text-align: right; }.case-panel { grid-template-columns: 1fr; }.case-dialog-media { min-height: 280px; }.case-dialog-copy { padding: 36px 27px; } }
@media (max-width: 620px) { :root { --container: min(100% - 36px, 1180px); }.site-header { min-height: 70px; padding: 0 18px; }.brand-mark { width: 30px; height: 30px; }.brand-copy strong { font-size: 16px; }.brand-copy small { font-size: 8px; }.phone-link span { display: none; }.hero { min-height: 690px; padding: 132px 0 156px; }.hero-scrim { background: linear-gradient(90deg, rgba(8,25,35,.9), rgba(8,25,35,.42)); }h1 { font-size: 43px; }.hero-summary { font-size: 16px; }.hero-proof { left: 18px; right: 18px; bottom: 44px; padding-left: 0; border-left: 0; justify-content: space-between; gap: 10px; }.hero-proof strong { font-size: 23px; }.hero-proof span { font-size: 9px; letter-spacing: .6px; }.intro-band { padding: 50px 0; }.intro-grid { gap: 22px; }.intro-statement { font-size: 28px; }.section { padding: 75px 0; }.split-heading { display: block; }.split-heading > p { margin-top: 18px; }.section-heading { margin-bottom: 37px; }.section-heading h2 { font-size: 35px; }.service-grid { grid-template-columns: 1fr; }.service-card { min-height: 290px; }.solution-panel { grid-template-columns: 1fr; gap: 16px; padding-top: 33px; }.solution-panel h3 { font-size: 26px; }.round-button { width: 54px; height: 54px; }.case-grid { grid-template-columns: 1fr; }.case-card, .case-card:last-child { grid-column: auto; min-height: 340px; }.workflow-grid { gap: 40px; }.network-layout { gap: 40px; }.city-board { padding: 22px 18px; }.faq-list summary { font-size: 16px; }.contact-band { padding: 58px 0; }.contact-actions { width: 100%; align-items: flex-start; flex-direction: column; }.contact-actions .button { width: 100%; }.footer-grid { grid-template-columns: 1fr; }.site-footer > .footer-grid > div { text-align: left; }.footer-bottom { display: grid; gap: 6px; }.wechat-panel { padding: 30px 20px; }.case-dialog { padding: 0; }.case-panel { max-height: 100svh; }.case-dialog-media { min-height: 230px; }.case-dialog-copy { padding: 28px 20px; }.case-dialog-copy h2 { font-size: 27px; } }

.mobile-contact-bar { display: none; }
.studio { max-width: 920px; margin: 0 auto; padding: 90px 24px; }
.studio h1 { color: var(--ink); font-size: clamp(38px, 5vw, 64px); }
.studio > p:not(.eyebrow) { color: var(--ink-soft); font-size: 18px; }
.studio form { margin-top: 40px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.studio label { display: grid; min-width: 0; gap: 8px; font-size: 14px; font-weight: 800; }
.studio input, .studio select, .studio textarea { width: 100%; min-width: 0; font: inherit; font-weight: 400; border: 1px solid var(--line); padding: 12px; background: #fff; }
.studio textarea { resize: vertical; }
.studio-full { grid-column: 1 / -1; }
.studio form .button { width: max-content; }
.prompt-box { margin-top: 42px; border-top: 4px solid var(--blue); background: #e8f1f4; padding: 28px; }
.prompt-box h2 { font-size: 24px; }
.prompt-box textarea { width: 100%; margin: 12px 0 16px; background: #fff; }
@media (max-width: 620px) {
  .studio { padding: 60px 18px; }
  .studio h1 { font-size: 38px; }
  .studio > p:not(.eyebrow) { font-size: 16px; }
  .studio form { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .studio-full { grid-column: auto; }
  .studio form .button, .prompt-box .button { width: 100%; }
  .prompt-box { margin-top: 32px; padding: 22px 18px; }
  .prompt-box h2 { font-size: 22px; }
}
.detail-page { background: var(--paper); }.detail-header { min-height: 78px; padding: 0 5vw; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); background:#fff; }.detail-header nav{display:flex; gap:28px; font-size:15px; font-weight:700;}.detail-header .brand-copy small{color:var(--ink-soft);}.detail-hero{padding:120px 8vw 100px; background:var(--paper-warm);}.detail-hero>div{max-width:900px;}.detail-hero h1{color:var(--ink);font-size:clamp(42px,6vw,78px);}.detail-hero p:not(.eyebrow){max-width:650px;font-size:19px;color:var(--ink-soft);margin-bottom:30px;}.detail-services{max-width:1100px;margin:0 auto;padding:75px 24px;}.detail-services article{display:grid;grid-template-columns:100px 1fr;gap:30px;padding:42px 0;border-top:1px solid var(--line);}.detail-services article>span{font-weight:800;color:var(--coral);font-size:18px;}.detail-services h2{font-size:32px;margin-bottom:12px;}.detail-services p{max-width:760px;color:var(--ink-soft);font-size:17px;}.detail-services ul{display:flex;flex-wrap:wrap;gap:10px 28px;padding:0;list-style:none;font-size:15px;font-weight:700;}.detail-services li:before{content:"";display:inline-block;width:6px;height:6px;background:var(--gold);margin:0 8px 2px 0;}.detail-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:30px 5vw;font-size:14px;}.detail-footer a{color:var(--gold);}@media(max-width:620px){.detail-header{padding:0 18px;min-height:70px}.detail-header nav a:not(:last-child){display:none}.detail-hero{padding:90px 18px 70px}.detail-hero h1{font-size:42px}.detail-services{padding:55px 18px}.detail-services article{grid-template-columns:1fr;gap:8px;padding:32px 0}.detail-services h2{font-size:28px}.detail-services p{font-size:16px}}
.case-list{max-width:1100px;margin:0 auto;padding:75px 24px}.case-list article{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;border-top:1px solid var(--line);padding:48px 0}.case-list article:nth-child(even) video{order:2}.case-list video{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink)}.case-list h2{font-size:32px;margin-bottom:12px}.case-list p:not(.eyebrow){color:var(--ink-soft);font-size:17px}.case-list dl{border-top:1px solid var(--line);margin:22px 0 0}.case-list dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:8px 0;font-size:14px}.case-list dt{color:var(--ink-soft)}.case-list dd{margin:0;font-weight:800;text-align:right}@media(max-width:620px){.case-list{padding:55px 18px}.case-list article{grid-template-columns:1fr;gap:24px;padding:35px 0}.case-list article:nth-child(even) video{order:0}.case-list h2{font-size:28px}.case-list p:not(.eyebrow){font-size:16px}}
.guide-list { max-width: 920px; margin: 0 auto; padding: 76px 24px; }
.guide-list article { padding: 43px 0; border-top: 1px solid var(--line); }
.guide-list article:last-child { border-bottom: 1px solid var(--line); }
.guide-list h2 { max-width: 760px; margin-bottom: 16px; color: var(--ink); font-size: 31px; line-height: 1.28; }
.guide-list p:not(.eyebrow) { max-width: 780px; margin-bottom: 12px; color: var(--ink-soft); font-size: 17px; }
@media (max-width: 620px) { .guide-list { padding: 54px 18px; }.guide-list article { padding: 33px 0; }.guide-list h2 { font-size: 27px; }.guide-list p:not(.eyebrow) { font-size: 16px; } }
@media (max-width: 620px) {
  body { padding-bottom: 58px; }
  .site-header + .product-nav { top: 70px; }
  .product-nav-inner { width: min(100% - 36px, 1180px); min-height: 43px; }
  .product-nav-label { margin-right: 3px; }
  .product-nav a { padding: 5px 9px; font-size: 12px; }
  .mobile-contact-bar { position: fixed; z-index: 20; left: 0; right: 0; bottom: 0; height: 58px; display: grid; grid-template-columns: 1fr 1fr; background: var(--white); box-shadow: 0 -7px 24px rgba(20,39,49,.15); }
  .mobile-contact-bar a, .mobile-contact-bar button { border: 0; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 800; }
  .mobile-contact-bar a { color: var(--ink); background: var(--white); }
  .mobile-contact-bar button { color: var(--ink); background: var(--gold); }
  .mobile-contact-bar svg { width: 19px; height: 19px; }
}

/* Homepage refinement: a compact, operational B2B visual system. */
.site-header {
  min-height: 80px;
  padding: 0 max(4vw, 32px);
  background: rgba(9, 22, 30, .54);
  border-bottom-color: rgba(255,255,255,.16);
}
.desktop-nav { gap: clamp(18px, 2vw, 32px); font-size: 14px; }
.desktop-nav a { position: relative; padding: 29px 0; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 20px; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.site-header + .product-nav { top: 80px; min-height: 44px; background: rgba(9,22,30,.34); backdrop-filter: blur(9px); }
.site-header + .product-nav .product-nav-inner { min-height: 44px; justify-content: center; gap: 2px; }
.site-header + .product-nav .product-nav-label { display: none; }
.site-header + .product-nav a { padding: 5px 11px; font-size: 12px; color: rgba(255,255,255,.86); }

.hero { min-height: 820px; min-height: 100svh; align-items: center; padding: 196px 0 105px; }
.hero-video { opacity: .8; object-position: center; }
.hero-scrim { background: linear-gradient(90deg, rgba(6,18,26,.94) 0%, rgba(6,18,26,.8) 42%, rgba(6,18,26,.2) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 170px; background: linear-gradient(transparent, rgba(6,18,26,.72)); }
.hero-content { max-width: 800px; }
.hero-content .eyebrow { margin-bottom: 23px; }
h1 { max-width: 900px; margin-bottom: 25px; font-size: clamp(48px, 5.7vw, 78px); line-height: 1.13; }
h1 em { color: var(--gold); font-style: normal; }
.hero-summary { max-width: 650px; margin-bottom: 34px; font-size: 18px; line-height: 1.85; }
.button { min-height: 50px; padding: 0 22px; border-radius: 2px; }
.button-primary { box-shadow: 0 10px 28px rgba(246,181,45,.18); }
.hero-proof { right: max(4vw, 32px); bottom: 50px; gap: 0; padding: 0; border: 1px solid rgba(255,255,255,.22); background: rgba(6,18,26,.42); backdrop-filter: blur(9px); }
.hero-proof div { min-width: 142px; padding: 15px 20px 16px; border-right: 1px solid rgba(255,255,255,.18); }
.hero-proof div:last-child { border-right: 0; }
.hero-proof strong { font-size: 28px; }
.hero-proof span { letter-spacing: .7px; }
.scroll-cue { left: max(4vw, 32px); bottom: 54px; }

.intro-band { padding: 0; background: var(--ink); color: #fff; }
.intro-grid { min-height: 178px; grid-template-columns: .7fr 1.65fr 1fr; gap: 48px; align-items: center; }
.intro-band .eyebrow { color: var(--gold); margin: 0; }
.intro-band .eyebrow span { background: var(--gold); }
.intro-statement { font-size: clamp(23px, 2.4vw, 34px); line-height: 1.4; }
.intro-copy { margin: 0; color: rgba(255,255,255,.7); font-size: 15px; }

.section { padding: 105px 0; }
.section-heading { margin-bottom: 46px; }
.section-heading h2 { font-size: clamp(32px, 3.6vw, 48px); }
.split-heading { grid-template-columns: 1.35fr .85fr; gap: 70px; }
.services.section { padding-top: 110px; }
.service-grid { gap: 12px; border: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card { min-height: 288px; padding: 28px 27px 25px; border: 1px solid var(--line); background: #fff; box-shadow: 0 5px 20px rgba(20,39,49,.035); }
.service-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.service-card:hover::before, .service-card:focus-within::before { transform: scaleX(1); }
.service-card:hover, .service-card:focus-within { background: var(--ink); transform: translateY(-4px); box-shadow: 0 16px 38px rgba(20,39,49,.16); }
.service-featured { background: #edf4f2; }
.service-icon { width: 29px; height: 29px; margin-bottom: 32px; }
.service-card h3 { font-size: 20px; margin-bottom: 10px; }
.service-card p { font-size: 14px; line-height: 1.75; }
.service-number { right: 22px; top: 20px; }
.text-link { left: 27px; bottom: 22px; }

.solutions { background: #102d3d; }
.solution-tabs { max-width: 900px; }
.solution-tabs button { text-align: left; padding-left: 0; font-size: 15px; }
.solution-panel { padding: 48px 0 12px; }
.case-grid { gap: 14px; }
.case-card { min-height: 440px; }
.case-wide { min-height: 300px; }
.case-card button { padding: 25px; }
.case-card h3 { left: 25px; bottom: 23px; font-size: 24px; }
.case-card button > svg { right: 22px; bottom: 25px; }
.workflow { background: #eaf1f0; }
.network { background: #f1f3ef; }
.city-board { border-top-width: 3px; box-shadow: 0 12px 30px rgba(20,39,49,.1); }
.contact-band { background: #0d4f7a; }

@media (max-width: 900px) {
  .site-header { min-height: 72px; padding: 0 24px; }
  .site-header + .product-nav { top: 72px; }
  .site-header + .product-nav .product-nav-inner { justify-content: flex-start; }
  .hero { min-height: 760px; padding: 165px 0 126px; }
  .hero-proof { left: 4.5vw; right: auto; bottom: 42px; }
  .intro-grid { grid-template-columns: 1fr 1.6fr; padding: 42px 0; }
  .intro-copy { grid-column: 2; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .site-header { min-height: 70px; padding: 0 18px; }
  .site-header + .product-nav { top: 70px; background: rgba(9,22,30,.46); }
  .site-header + .product-nav .product-nav-inner { min-height: 39px; width: calc(100% - 26px); }
  .site-header + .product-nav a { padding: 5px 9px; font-size: 11px; }
  .hero { min-height: 720px; padding: 156px 0 162px; }
  .hero-video { object-position: 62% center; }
  .hero-scrim { background: linear-gradient(90deg, rgba(6,18,26,.94), rgba(6,18,26,.43)); }
  h1 { font-size: clamp(39px, 11.5vw, 52px); line-height: 1.14; }
  .hero-summary { max-width: 100%; font-size: 15px; line-height: 1.8; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { flex: 1; padding: 0 10px; }
  .hero-proof { left: 18px; right: 18px; bottom: 42px; justify-content: stretch; }
  .hero-proof div { min-width: 0; flex: 1; padding: 12px 8px 13px; }
  .hero-proof strong { font-size: 23px; }
  .hero-proof span { font-size: 9px; letter-spacing: 0; }
  .intro-grid { min-height: auto; display: grid; grid-template-columns: 1fr; gap: 18px; padding: 43px 0; }
  .intro-copy { grid-column: auto; font-size: 14px; }
  .intro-statement { font-size: 26px; }
  .section { padding: 74px 0; }
  .services.section { padding-top: 74px; }
  .section-heading { margin-bottom: 34px; }
  .service-grid { grid-template-columns: 1fr; gap: 10px; }
  .service-card { min-height: 262px; padding: 25px 24px; }
  .service-icon { margin-bottom: 27px; }
  .text-link { left: 24px; bottom: 20px; }
  .solutions { padding-top: 68px; }
  .solution-tabs button { font-size: 14px; }
}

/* Navigation must remain readable at a normal viewing distance. */
.site-header {
  min-height: 96px;
  background: #0b202b;
  backdrop-filter: none;
}
.brand-mark { width: 40px; height: 40px; gap: 4px; }
.brand-copy strong { font-size: 20px; }
.brand-copy small { font-size: 11px; letter-spacing: 1.2px; }
.desktop-nav { gap: clamp(28px, 3vw, 46px); font-size: 22px; font-weight: 800; }
.desktop-nav a { padding: 33px 0; opacity: 1; }
.desktop-nav a::after { bottom: 20px; height: 3px; }
.phone-link { min-height: 50px; padding: 0 18px; border: 1px solid rgba(255,255,255,.46); color: #fff; font-size: 18px; }
.phone-link:hover { border-color: var(--gold); color: var(--gold); }

.site-header + .product-nav {
  top: 96px;
  min-height: 64px;
  background: #fff;
  border-bottom: 1px solid #cfd9d6;
  box-shadow: 0 5px 16px rgba(9,32,43,.1);
  backdrop-filter: none;
}
.site-header + .product-nav .product-nav-inner { min-height: 64px; justify-content: flex-start; gap: 10px; }
.site-header + .product-nav .product-nav-label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-right: 10px;
  padding-right: 17px;
  color: var(--blue-deep);
  border-right: 1px solid #d7dfdc;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
}
.site-header + .product-nav a {
  padding: 10px 14px;
  color: #17303a;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}
.site-header + .product-nav a:hover,
.site-header + .product-nav a:focus-visible { color: #fff; background: var(--blue-deep); }

@media (max-width: 900px) {
  .site-header { min-height: 76px; }
  .brand-mark { width: 35px; height: 35px; }
  .brand-copy strong { font-size: 18px; }
  .site-header + .product-nav { top: 76px; min-height: 58px; }
  .site-header + .product-nav .product-nav-inner { min-height: 58px; }
  .site-header + .product-nav .product-nav-label { font-size: 19px; }
  .site-header + .product-nav a { font-size: 18px; padding: 10px 13px; }
  .hero { padding-top: 210px; }
}
@media (max-width: 620px) {
  .site-header { min-height: 70px; background: #0b202b; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-copy strong { font-size: 17px; }
  .site-header + .product-nav { top: 70px; min-height: 58px; background: #fff; }
  .site-header + .product-nav .product-nav-inner { min-height: 58px; width: calc(100% - 24px); gap: 5px; }
  .site-header + .product-nav .product-nav-label { min-height: 34px; margin-right: 8px; padding-right: 12px; font-size: 18px; }
  .site-header + .product-nav a { padding: 10px 12px; color: #17303a; font-size: 18px; }
  .hero { padding-top: 184px; }
}

/* The same readable navigation scale is used on every detail page. */
.detail-header {
  min-height: 96px;
  padding: 0 max(4vw, 32px);
  border-bottom-color: #cfd9d6;
}
.detail-header nav { gap: clamp(26px, 3vw, 46px); font-size: 22px; font-weight: 800; }
.detail-header nav a { padding: 28px 0; }
.detail-header + .product-nav {
  min-height: 64px;
  border-bottom: 1px solid #cfd9d6;
  background: #fff;
  box-shadow: 0 5px 16px rgba(9,32,43,.1);
}
.detail-header + .product-nav .product-nav-inner { min-height: 64px; gap: 10px; }
.detail-header + .product-nav .product-nav-label {
  min-height: 34px;
  margin-right: 10px;
  padding-right: 17px;
  color: var(--blue-deep);
  border-right: 1px solid #d7dfdc;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
}
.detail-header + .product-nav a { padding: 10px 14px; color: #17303a; font-size: 20px; font-weight: 800; line-height: 1.3; }
.detail-header + .product-nav a:hover, .detail-header + .product-nav a:focus-visible { color: #fff; background: var(--blue-deep); }
@media (max-width: 900px) {
  .detail-header { min-height: 76px; padding: 0 24px; }
  .detail-header nav { font-size: 18px; gap: 20px; }
  .detail-header nav a { padding: 20px 0; }
  .detail-header + .product-nav .product-nav-inner { min-height: 58px; width: calc(100% - 48px); }
  .detail-header + .product-nav .product-nav-label { font-size: 19px; }
  .detail-header + .product-nav a { font-size: 18px; padding: 10px 13px; }
}
@media (max-width: 620px) {
  .detail-header { min-height: 70px; padding: 0 18px; }
  .detail-header nav { font-size: 17px; }
  .detail-header + .product-nav { min-height: 58px; }
  .detail-header + .product-nav .product-nav-inner { min-height: 58px; width: calc(100% - 24px); }
  .detail-header + .product-nav .product-nav-label { min-height: 34px; margin-right: 8px; padding-right: 12px; font-size: 18px; }
  .detail-header + .product-nav a { padding: 10px 12px; font-size: 18px; }
}