:root {
  --ink: #0b1023;
  --paper: #f7f8fb;
  --white: #ffffff;
  --yellow: #ffc400;
  --yellow-soft: #fff2b8;
  --cyan: #42d7f5;
  --text: #11172b;
  --muted: #657087;
  --border: #e3e7ef;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-noto-sans-sc), 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 max(24px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(227, 231, 239, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; height: 42px; }
.brand img { width: 168px; height: 42px; object-fit: contain; object-position: left center; }
nav { display: flex; align-items: center; gap: 30px; color: #4d576c; font-size: 14px; font-weight: 600; }
nav a { transition: color 160ms ease, transform 160ms ease; }
nav a:hover { color: var(--ink); }
.nav-cta { padding: 10px 18px; border-radius: 999px; background: var(--ink); color: white; }
nav .nav-cta:hover { color: var(--yellow); transform: translateY(-1px); }

.hero { position: relative; overflow: hidden; min-height: 690px; background: var(--ink); color: white; }
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image: linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.hero-glow {
  position: absolute;
  top: -220px;
  right: -120px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51, 213, 244, 0.19), rgba(22, 33, 68, 0.04) 62%, transparent 72%);
}
.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 80px;
  min-height: 690px;
  padding-block: 72px;
}
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--yellow); font-size: 13px; font-weight: 800; letter-spacing: 0.16em; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 2px; background: var(--yellow); }
.hero h1 { margin: 0; font-size: clamp(48px, 5.2vw, 74px); line-height: 1.12; letter-spacing: -0.055em; }
.hero h1 em { color: var(--yellow); font-style: normal; }
.hero-lead { max-width: 620px; margin: 26px 0 0; color: #b8c1d6; font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--yellow); color: var(--ink); }
.button-secondary { border-color: #38425e; background: rgba(255, 255, 255, 0.04); color: white; }
.button-secondary:hover { border-color: #69748e; background: rgba(255, 255, 255, 0.08); }
.hero-facts { display: flex; gap: 36px; margin: 46px 0 0; }
.hero-facts div { min-width: 100px; padding-left: 16px; border-left: 1px solid #34405f; }
.hero-facts dt { color: white; font-size: 25px; font-weight: 900; }
.hero-facts dd { margin: 5px 0 0; color: #8994ad; font-size: 12px; }

.capability-panel {
  position: relative;
  min-height: 480px;
  padding: 24px;
  border: 1px solid #2e3b5e;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(28, 39, 73, 0.92), rgba(11, 16, 35, 0.72));
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.3);
}
.panel-topline, .panel-footer { display: flex; align-items: center; justify-content: space-between; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.panel-topline { color: #71809f; font-size: 11px; letter-spacing: 0.12em; }
.panel-topline i { color: #7ceba7; font-style: normal; }
.panel-topline i::before { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: currentColor; content: ''; box-shadow: 0 0 12px currentColor; }
.core-orbit { position: relative; display: grid; place-items: center; height: 348px; }
.orbit { position: absolute; border: 1px solid rgba(66, 215, 245, 0.34); border-radius: 50%; }
.orbit-one { width: 220px; height: 220px; }
.orbit-two { width: 330px; height: 170px; transform: rotate(-18deg); border-color: rgba(255, 196, 0, 0.3); }
.core-mark {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 126px;
  height: 126px;
  overflow: hidden;
  border: 1px solid rgba(255, 196, 0, 0.46);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 54px rgba(255, 196, 0, 0.24);
}
.core-mark img { width: 84px; height: 84px; object-fit: cover; object-position: left; }
.orbit-label { position: absolute; z-index: 3; padding: 7px 12px; border: 1px solid #324366; border-radius: 999px; background: #141d39; color: #aab6ce; font-size: 12px; }
.label-one { top: 60px; left: 52px; }
.label-two { top: 92px; right: 38px; }
.label-three { bottom: 72px; left: 36px; }
.label-four { right: 64px; bottom: 55px; }
.panel-footer { align-items: flex-end; padding-top: 18px; border-top: 1px solid #283451; }
.panel-footer p, .panel-footer strong { margin: 0; }
.panel-footer p { color: #74819c; font-size: 11px; }
.panel-footer strong { color: #d9e2f4; font-size: 12px; letter-spacing: 0.04em; }

.section { padding: 108px 0; }
.services { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1fr 350px; align-items: end; gap: 40px; margin-bottom: 44px; }
.section-kicker { color: #aa7e00; }
.section h2, .contact-section h2 { margin: 0; color: var(--ink); font-size: clamp(32px, 3.4vw, 48px); line-height: 1.22; letter-spacing: -0.045em; }
.section-heading > p, .strength-copy > p, .contact-card > div > p:last-child { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card {
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 34px rgba(29, 38, 64, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.service-card:hover { transform: translateY(-5px); border-color: #d7b435; box-shadow: 0 20px 46px rgba(29, 38, 64, 0.09); }
.service-card-top { display: flex; align-items: center; justify-content: space-between; }
.icon-box { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 10px; background: var(--yellow-soft); color: #876600; }
.service-number { color: #c7cdd8; font: 700 13px ui-monospace, SFMono-Regular, Consolas, monospace; }
.service-card h3 { margin: 54px 0 14px; color: var(--ink); font-size: 19px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.78; }

.strengths { background: white; }
.strength-layout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 90px; align-items: center; }
.strength-copy > p { margin-top: 24px; }
.company-note { display: flex; gap: 14px; margin-top: 34px; padding: 19px; border: 1px solid #ece5c7; border-radius: 12px; background: #fffbeb; color: #8c6a00; }
.company-note div { display: flex; flex-direction: column; gap: 5px; }
.company-note strong { color: #3e3420; font-size: 14px; }
.company-note span { color: #7e745e; font-size: 12px; }
.credential-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.credential-list div { display: flex; align-items: center; gap: 12px; min-height: 72px; padding: 17px 18px; border: 1px solid var(--border); border-radius: 12px; background: #fafbfc; color: #333c52; font-size: 13px; font-weight: 700; }
.credential-list svg { flex: 0 0 auto; color: #bb8d00; }

.contact-section { padding: 42px 0; background: var(--paper); }
.contact-card { display: grid; grid-template-columns: 1fr 420px; gap: 70px; align-items: center; padding: 58px 64px; border-radius: 20px; background: var(--ink); color: white; }
.contact-card h2 { color: white; }
.contact-card > div > p:last-child { margin-top: 16px; color: #9da8c0; }
.contact-links { display: grid; gap: 11px; }
.contact-links a { display: flex; align-items: center; gap: 13px; min-height: 64px; padding: 12px 16px; border: 1px solid #303c5b; border-radius: 10px; background: #131b35; transition: border-color 160ms ease, background 160ms ease; }
.contact-links a:hover { border-color: #6c7897; background: #18213f; }
.contact-links svg { color: var(--yellow); }
.contact-links span { font-size: 14px; font-weight: 800; }
.contact-links small { display: block; margin-bottom: 2px; color: #77839e; font-size: 10px; font-weight: 600; }
.contact-links p { display: flex; align-items: center; gap: 9px; margin: 4px 0 0 4px; color: #8c98af; font-size: 12px; }

footer { background: var(--paper); }
.footer-inner { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 20px; padding: 25px 0 34px; color: #7e8799; font-size: 12px; text-align: center; }
.footer-inner p { margin: 0; }
.footer-inner a:hover { color: var(--text); text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

@media (max-width: 980px) {
  .hero-layout { grid-template-columns: 1fr; gap: 46px; padding-block: 70px; }
  .hero-copy { max-width: 720px; }
  .capability-panel { width: min(100%, 650px); min-height: 430px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .strength-layout, .contact-card { grid-template-columns: 1fr; gap: 42px; }
  .contact-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 32px, 1160px); }
  .site-header { height: 68px; padding-inline: 16px; }
  .brand img { width: 134px; }
  nav a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 9px 14px; }
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; padding-block: 64px 54px; }
  .hero h1 { font-size: clamp(41px, 12vw, 58px); }
  .hero-lead { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-facts div { min-width: 0; padding-left: 10px; }
  .hero-facts dt { font-size: 19px; }
  .capability-panel { min-height: 390px; padding: 18px; }
  .core-orbit { height: 290px; transform: scale(0.9); }
  .panel-footer strong { font-size: 10px; }
  .section { padding: 78px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .service-grid, .credential-list, .contact-links { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }
  .contact-card { padding: 42px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}