:root {
  color-scheme: dark;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background: #071521;
  color: #eef4f8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #071521; color: #eef4f8; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(217,232,240,.13); background: rgba(7,21,33,.96); backdrop-filter: blur(12px); }
.header-inner { width: min(1180px, calc(100% - 48px)); height: 78px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; }
.brand { justify-self: start; display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 48px; height: 35px; object-fit: contain; }
.brand strong, .brand small { display: block; letter-spacing: 0; }
.brand strong { font-size: 15px; font-weight: 600; }
.brand small { margin-top: 2px; color: #8ea5b5; font-size: 9px; font-weight: 400; }
.header-inner nav { display: flex; gap: 30px; color: #a3b5c2; font-size: 12px; }
.header-inner nav a, .header-contact { transition: color .18s ease, border-color .18s ease, background .18s ease; }
.header-inner nav a:hover, .header-inner nav a:focus-visible { color: #ffae2f; }
.header-contact { justify-self: end; min-height: 38px; display: inline-flex; align-items: center; padding: 0 15px; border: 1px solid rgba(224,235,242,.3); border-radius: 3px; font-size: 12px; }
.header-contact:hover, .header-contact:focus-visible { border-color: #ffae2f; color: #ffae2f; }
.hero { position: relative; overflow: hidden; border-bottom: 1px solid rgba(217,232,240,.13); background: #071521; }
.hero::after { content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 45%; background: #0d2736; clip-path: polygon(24% 0,100% 0,100% 100%,0 100%); }
.hero-inner { position: relative; z-index: 2; width: min(1180px, calc(100% - 48px)); min-height: 610px; margin: 0 auto; display: grid; grid-template-columns: 52% 48%; align-items: center; }
.hero-copy { padding: 78px 0 100px; }
.eyebrow { color: #ffae2f; font-size: 11px; font-weight: 700; letter-spacing: 0; }
h1, h2, h3 { margin: 0; letter-spacing: 0; }
h1 { margin-top: 18px; font-size: 56px; line-height: 1.18; font-weight: 500; }
.hero-copy > p { max-width: 610px; margin-top: 26px; color: #adbfcb; font-size: 15px; line-height: 1.9; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 22px; }
.primary-action { min-height: 46px; display: inline-flex; align-items: center; padding: 0 19px; border-radius: 3px; background: #ffae2f; color: #101b24; font-size: 13px; font-weight: 700; transition: background .18s ease; }
.primary-action:hover, .primary-action:focus-visible { background: #ffc15d; }
.hero-actions span { color: #8098a8; font-size: 11px; }
.hero-visual { position: relative; z-index: 3; min-width: 0; display: grid; place-items: center; }
.hero-visual img { width: min(100%, 580px); aspect-ratio: 760 / 620; object-fit: contain; }
.hero-capability-bar { position: relative; z-index: 4; width: min(1180px, calc(100% - 48px)); min-height: 74px; margin: -74px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; border-top: 1px solid rgba(217,232,240,.13); color: #8ea5b5; font-size: 11px; }
.hero-capability-bar span { display: flex; gap: 10px; align-items: center; }
.hero-capability-bar b { color: #ffae2f; font-weight: 600; }
.content-section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 108px 0; }
.section-heading { max-width: 700px; }
.section-heading h2, .about-section h2, .contact-section h2 { margin-top: 14px; font-size: 40px; line-height: 1.28; font-weight: 500; }
.section-heading > p { margin-top: 19px; color: #92a8b7; font-size: 14px; line-height: 1.9; }
.risk-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #284352; border-bottom: 1px solid #284352; }
.risk-grid article { min-height: 250px; padding: 28px 25px; border-right: 1px solid #284352; background: #0b1d29; }
.risk-grid article:last-child { border-right: 0; }
.risk-grid article span { color: #ffae2f; font-size: 10px; }
.risk-grid h3 { margin-top: 52px; font-size: 20px; font-weight: 500; }
.risk-grid p { margin-top: 13px; color: #8ea5b5; font-size: 13px; line-height: 1.8; }
.operations-section { background: #10191f; }
.operations-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 104px 0; display: grid; grid-template-columns: 42% 58%; gap: 70px; }
.operation-flow { margin: 0; padding: 0; list-style: none; border-top: 1px solid #32414a; }
.operation-flow li { min-height: 82px; display: grid; grid-template-columns: 48px 1fr; align-items: center; border-bottom: 1px solid #32414a; }
.operation-flow b { color: #ffae2f; font-size: 11px; font-weight: 600; }
.operation-flow strong, .operation-flow span { display: block; }
.operation-flow strong { font-size: 16px; font-weight: 500; }
.operation-flow span { margin-top: 4px; color: #859ba9; font-size: 12px; }
.foundation-layout { margin-top: 48px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 76px; }
.foundation-principles { border-top: 1px solid #284352; }
.foundation-principles article { display: grid; grid-template-columns: 150px 1fr; gap: 25px; padding: 24px 0; border-bottom: 1px solid #284352; }
.foundation-principles strong { font-size: 16px; font-weight: 500; }
.foundation-principles p { color: #8ea5b5; font-size: 13px; line-height: 1.8; }
.foundation-manifest { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: 38px 46px; border-left: 3px solid #ffae2f; background: #0d2736; }
.foundation-manifest span { font-size: 13px; font-weight: 600; }
.foundation-manifest i { display: block; width: 1px; height: 24px; margin: 8px 0 8px 4px; background: #557183; }
.about-section { border-top: 1px solid rgba(217,232,240,.13); border-bottom: 1px solid rgba(217,232,240,.13); background: #0a1822; }
.about-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 96px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.about-copy { align-self: end; }
.about-copy p { color: #9bafbc; font-size: 14px; line-height: 1.9; }
.about-copy p + p { margin-top: 16px; }
.contact-section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 104px 0; }
.contact-section h2 { max-width: 760px; }
.contact-section p { margin-top: 18px; color: #8ea5b5; font-size: 14px; }
.site-footer { width: min(1180px, calc(100% - 48px)); min-height: 84px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(217,232,240,.13); color: #718a9b; font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 38px; height: 28px; object-fit: contain; }
.site-footer > div:last-child { display: flex; gap: 20px; }
@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .header-inner nav { display: none; }
  .hero-inner { min-height: 760px; grid-template-columns: 1fr; align-content: start; }
  .hero-copy { padding: 76px 0 10px; }
  .hero-visual { justify-items: end; }
  .hero-visual img { width: min(80%, 550px); }
  .hero::after { top: 48%; width: 68%; }
  .hero-capability-bar { margin-top: -74px; }
  .risk-grid { grid-template-columns: repeat(2, 1fr); }
  .risk-grid article:nth-child(2) { border-right: 0; }
  .risk-grid article:nth-child(-n+2) { border-bottom: 1px solid #284352; }
  .operations-inner, .foundation-layout, .about-inner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .header-inner, .hero-inner, .hero-capability-bar, .content-section, .operations-inner, .about-inner, .contact-section, .site-footer { width: calc(100% - 32px); }
  .header-inner { height: 68px; }
  .header-contact { min-height: 42px; }
  .hero-inner { min-height: 0; }
  .hero-copy { padding-top: 58px; }
  h1 { font-size: 38px; }
  .hero-copy > p { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 11px; }
  .primary-action { min-height: 44px; }
  .hero-visual { width: 100%; min-width: 0; margin: -12px 0 -8px; overflow: hidden; }
  .hero-visual img { display: block; width: calc(100vw - 32px); min-width: 0; max-width: calc(100vw - 32px); height: auto; transform: scale(.82); transform-origin: center; }
  .hero::after { top: 55%; width: 92%; }
  .hero-capability-bar { min-height: 90px; margin-top: 0; grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 12px 0; }
  .content-section, .operations-inner, .about-inner, .contact-section { padding-top: 76px; padding-bottom: 76px; }
  .section-heading h2, .about-section h2, .contact-section h2 { font-size: 30px; }
  .risk-grid { grid-template-columns: 1fr; }
  .risk-grid article { min-height: 205px; border-right: 0; border-bottom: 1px solid #284352; }
  .risk-grid article:nth-child(-n+2) { border-bottom: 1px solid #284352; }
  .risk-grid article:last-child { border-bottom: 0; }
  .risk-grid h3 { margin-top: 35px; }
  .operations-inner { gap: 44px; }
  .foundation-layout { gap: 38px; }
  .foundation-principles article { grid-template-columns: 1fr; gap: 8px; }
  .foundation-manifest { padding: 30px; }
  .about-inner { gap: 35px; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 12px; padding: 18px 0; }
  .site-footer > div:last-child { flex-direction: column; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
