.capability-card .business-art { width: 100%; aspect-ratio: 3 / 2; object-fit: contain; mix-blend-mode: multiply; }
:root {
  --ink: #142e4d;
  --blue: #1465e8;
  --navy: #082a51;
  --muted: #53687d;
  --line: #dbe7f4;
  --white: #fff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 140px; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--ink); background: var(--white); line-height: 1.8; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #3b87e4; outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.4; font-weight: 500; }
h1 { font-size: clamp(40px, 4.7vw, 64px); }
h2 { font-size: clamp(28px, 3vw, 40px); }
h3 { font-size: 22px; }
em { font-style: normal; color: var(--blue); }
.container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 10px 18px; background: white; color: var(--blue); z-index: 30; }
.skip-link:focus { top: 8px; }
.site-header { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 84px; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; background: var(--blue); color: #fff; font-family: serif; font-size: 26px; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy strong { font-size: 23px; letter-spacing: 3px; line-height: 1.5; }
.brand-copy small { font-size: 10px; color: var(--muted); letter-spacing: .6px; }
.site-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.site-nav a { font-size: 14px; padding: 29px 0; white-space: nowrap; border-bottom: 3px solid transparent; }
.site-nav a.active { color: var(--blue); border-bottom-color: var(--blue); }
.site-nav a:hover, .footer-links a:hover { color: var(--blue); }
.header-cta { color: var(--blue); border: 1px solid var(--blue); padding: 8px 15px; font-size: 13px; white-space: nowrap; }
.header-cta:hover { color: #fff; background: var(--blue); }
.header-cta span, .btn span, .line-link span, .card-link span, .text-link span { margin-left: 12px; }
.eyebrow { color: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: 2px; margin-bottom: 15px; }
.section { padding-block: 76px; }
.section-rule { border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; margin-bottom: 44px; }
.section-heading > p { max-width: 360px; color: var(--muted); font-size: 15px; }
.section-lead { color: var(--muted); font-size: 16px; margin-top: 22px; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 11px 22px; font-size: 14px; transition: background .2s; }
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: #104b9c; }
.btn-light { background: #fff; color: var(--blue); }
.btn-light:hover { background: #e3efff; }
.line-link { display: inline-block; margin-top: 26px; color: var(--blue); border-bottom: 1px solid var(--blue); padding-bottom: 4px; font-size: 14px; }
.line-link:hover { color: #0b428c; }
.hero { background: linear-gradient(115deg, #fbfdff 0%, #f0f8ff 55%, #e5f3ff 100%); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 20px; align-items: center; min-height: 530px; }
.hero-copy { padding-block: 52px; }
.hero h1 { font-size: clamp(34px, 3.8vw, 52px); font-weight: 600; margin-bottom: 22px; letter-spacing: 1px; }
.hero-lead { max-width: 540px; font-size: 16px; color: var(--muted); line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin: 28px 0 36px; }
.text-link { color: var(--blue); font-size: 14px; }
.hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 480px; border-top: 1px solid #cbdff6; padding-top: 20px; }
.hero-proof div + div { border-left: 1px solid #cbdff6; padding-left: 22px; }
.hero-proof strong { display: block; font-size: 19px; font-weight: 500; color: var(--blue); }
.hero-proof span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.tech-art { width: 100%; height: auto; mix-blend-mode: multiply; }
.line-icon { color: var(--blue); flex-shrink: 0; }
.center-heading { text-align: center; max-width: 860px; margin: 0 auto 40px; }
.center-heading h2 { font-size: clamp(27px, 2.6vw, 36px); }
.heading-line { display: block; width: 36px; height: 3px; background: var(--blue); margin: 17px auto 21px; }
.center-heading p { color: var(--muted); font-size: 16px; }
.center-action { text-align: center; margin-top: 10px; }
.intro-grid, .scenes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; align-items: center; }
.intro-copy p { color: var(--muted); font-size: 17px; }
.platform, .value { border-top: 1px solid var(--line); }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.capability-card { border-top-width: 3px; display: flex; flex-direction: column; min-width: 0; padding: 32px; border: 1px solid var(--line); background: white; }
.capability-no { color: var(--blue); font-size: 11px; letter-spacing: .8px; }
.capability-card h3 { margin: 30px 0 16px; }
.capability-card p { color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.capability-card.featured { background: #f4f9ff; border-color: #bcd8fc; }
.featured .capability-no { color: var(--blue); }
.card-link { color: var(--blue); font-size: 14px; margin-top: auto; }
.featured .card-link { color: var(--blue); }
.scene-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
figcaption { color: var(--muted); font-size: 11px; margin-top: 9px; }
.industry-tags { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; margin-top: 28px; }
.industry-tags li { color: var(--blue); font-size: 14px; border: 1px solid var(--line); padding: 9px 18px; }
.value-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; }
.value-grid li { border-top: 2px solid var(--blue); padding: 24px 24px 0 0; }
.value-grid li + li { padding-left: 26px; border-left: 1px solid var(--line); }
.step-no { display: block; font-size: 32px; font-weight: 400; color: var(--blue); line-height: 1.2; }
.value-grid h3 { margin: 18px 0 8px; }
.value-grid p { font-size: 14px; color: var(--muted); }
.band { padding-block: 64px; color: white; background: var(--blue); }
.band-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.band .eyebrow { color: #daebff; }
.band h2 { font-size: clamp(26px, 2.6vw, 34px); }
.band p:not(.eyebrow) { color: #e2eeff; font-size: 14px; max-width: 750px; margin-top: 14px; }
.band .btn { flex-shrink: 0; }
.site-footer { padding-block: 40px 24px; background: var(--navy); color: #fff; }
.site-footer .brand-copy small, .site-footer .footer-bottom { color: #becfe3; }
.site-footer .footer-bottom { border-color: #ffffff25; }
.site-footer .footer-links a:hover { color: #a6d4ff; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 22px; font-size: 11px; color: var(--muted); }
@media (max-width: 1050px) {
  .header-inner { gap: 20px; }
  .site-nav { gap: 18px; }
  .brand-copy small { letter-spacing: 0; }
  .intro-grid, .scenes-grid { gap: 44px; }
  .capability-card { padding: 26px; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 40px); }
  .header-inner { flex-wrap: wrap; gap: 0; padding-top: 14px; }
  .brand-mark { width: 36px; height: 36px; font-size: 23px; }
  .brand-copy strong { font-size: 20px; }
  .brand-copy small { font-size: 9px; }
  .header-cta { margin-left: auto; font-size: 12px; padding: 6px 10px; }
  .site-nav { order: 3; width: 100%; justify-content: space-between; gap: 8px; margin-top: 8px; }
  .site-nav a { font-size: 13px; padding: 10px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; min-height: 0; }
  .hero-copy { padding-block: 42px 0; }
  .hero .tech-art { width: min(100%, 440px); margin: -12px auto 12px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .hero h1 { font-size: clamp(30px, 7vw, 46px); }
  .center-heading { margin-bottom: 30px; }
  .center-heading p { font-size: 15px; }
  .hero-lead { max-width: 480px; font-size: 15px; }
  .hero-proof div + div { padding-left: 16px; }
  .section { padding-block: 62px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading > p { max-width: none; margin-top: 20px; }
  .intro-grid, .scenes-grid, .capability-grid { grid-template-columns: 1fr; gap: 28px; }
  .capability-card { padding: 28px; }
  .capability-card h3 { margin-top: 22px; }
  .value-grid { grid-template-columns: 1fr; gap: 24px; }
  .value-grid li, .value-grid li + li { padding: 22px 0 0; border-left: 0; }
  .band-inner, .footer-top, .footer-bottom { display: block; }
  .band .btn { margin-top: 28px; }
  .footer-links { margin-top: 24px; gap: 18px; }
  .footer-bottom p + p { margin-top: 8px; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .brand { gap: 8px; }
  .brand-copy small { font-size: 8px; }
  .hero-proof strong { font-size: 18px; }
  .hero-proof span { font-size: 11px; }
  .hero-actions { gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}