:root {
  --brand-primary: #E52232;
  --brand-primary-hover: #BC1626;
  --brand-navy: #173B5E;
  --brand-gold: #F2A63A;
  --text-primary: #172033;
  --text-secondary: #5D6878;
  --background: #FFFFFF;
  --background-soft: #F7F8FA;
  --border: #E7EAF0;
  --focus: #F2A63A;
  --shadow-sm: 0 10px 30px rgba(23, 32, 51, 0.07);
  --shadow-md: 0 22px 60px rgba(23, 59, 94, 0.12);
  --header-background: rgba(255, 255, 255, 0.96);
  --footer-background: #102E4A;
  --button-primary-background: var(--brand-primary);
  --button-primary-text: #FFFFFF;
  --button-secondary-background: #FFFFFF;
  --button-secondary-text: var(--brand-navy);
  --card-background: #FFFFFF;
  --card-border: var(--border);
  --badge-background: #FDECEE;
  --badge-text: var(--brand-primary-hover);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --content-width: 1180px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--text-primary); background: var(--background); font-family: var(--font-sans); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 16px; color: #fff; background: var(--brand-navy); border-radius: var(--radius-sm); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 48px), var(--content-width)); margin-inline: auto; }
.kicker, .eyebrow { display: flex; align-items: center; gap: 13px; margin: 0 0 12px; color: var(--brand-primary); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.13em; }
.kicker::before, .eyebrow::before { content: ""; flex: 0 0 auto; width: 8px; height: 8px; background: var(--brand-primary); border-radius: 50%; box-shadow: 10px 0 0 -2px var(--brand-gold); }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr); gap: 80px; align-items: end; max-width: none; }

.site-nav { position: sticky; z-index: 100; top: 0; height: 84px; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(23,59,94,.08); box-shadow: 0 8px 30px rgba(23,32,51,.035); backdrop-filter: blur(18px); }
.site-nav::after { content: ""; position: absolute; left: max(24px, calc((100vw - 1320px) / 2)); bottom: -1px; width: 96px; height: 2px; background: linear-gradient(90deg, var(--brand-primary) 0 73%, var(--brand-navy) 73% 94%, var(--brand-gold) 94%); border-radius: 2px; }
.nav-inner { width: min(calc(100% - 48px), 1320px); height: 100%; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-link { flex: 0 0 auto; border-radius: 8px; }
.brand-link img { width: 244px; height: auto; }
.nav-menu { display: flex; align-items: center; gap: 18px; }
.nav-links { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
.nav-links a { display: block; padding: 10px 9px; color: var(--brand-navy); border-radius: 8px; font-size: 0.91rem; font-weight: 700; text-decoration: none; white-space: nowrap; }
.nav-links a:hover { color: var(--brand-primary); background: var(--background-soft); }
.nav-cta { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 9px 20px; color: #fff; background: var(--brand-primary); border-radius: 10px; box-shadow: 0 10px 24px rgba(229,34,50,.18); font-size: .92rem; font-weight: 800; text-decoration: none; white-space: nowrap; transition: background 180ms ease, transform 180ms ease; }
.nav-cta:hover { background: var(--brand-primary-hover); transform: translateY(-1px); }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 11px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; border: 1px solid var(--border); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-toggle span { width: 22px; height: 2px; background: var(--brand-navy); border-radius: 2px; transition: transform 180ms ease, opacity 180ms ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; padding: 14px 29px; border: 1px solid transparent; border-radius: 11px; font-size: 1rem; font-weight: 780; text-decoration: none; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--button-primary-text); background: var(--button-primary-background); box-shadow: 0 12px 30px rgba(229, 34, 50, 0.2); }
.button-primary:hover { background: var(--brand-primary-hover); }
.button-secondary { color: var(--button-secondary-text); background: var(--button-secondary-background); border-color: var(--brand-navy); }
.button-secondary:hover { background: #EEF3F7; }

.site-footer { position: relative; padding: 76px 0 24px; color: #d7e0e8; background: var(--footer-background); border-top: 4px solid var(--brand-primary); }
.site-footer::before { content: ""; position: absolute; left: max(24px,calc((100vw - var(--content-width))/2)); top: -4px; width: 118px; height: 4px; background: linear-gradient(90deg,var(--brand-primary) 0 76%,var(--brand-gold) 76%); }
.footer-grid { display: grid; grid-template-columns: minmax(230px,1.55fr) repeat(4,minmax(125px,1fr)); gap: 38px; padding-bottom: 54px; }
.footer-brand img { width: 220px; }
.footer-brand > h2 { margin: 25px 0 0; color: #fff; font-size: 1rem; }
.footer-brand > h2 span { display: block; margin-top: 2px; color: #b9c8d5; font-size: .78rem; font-weight: 650; }
.footer-brand > p { max-width: 300px; margin: 15px 0 0; color: #b9c8d5; font-size: .88rem; line-height: 1.7; }
.footer-consultation { display: inline-flex; margin-top: 18px; padding: 8px 13px; color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 8px; font-size: .84rem; font-weight: 760; text-decoration: none; }
.footer-group h2 { margin: 0 0 18px; color: #fff; font-size: .92rem; }
.footer-group h2::after { content: ""; display: block; width: 22px; height: 2px; margin-top: 10px; background: linear-gradient(90deg,var(--brand-primary),var(--brand-gold)); }
.footer-group a { display: block; margin: 9px 0; color: #b9c8d5; border-radius: 4px; font-size: .84rem; line-height: 1.5; text-decoration: none; }
.footer-group a:hover,.footer-consultation:hover { color: #fff; }
.footer-bottom { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); color: #91a6b8; font-size: .86rem; }
.footer-bottom p { margin: 0; }
.footer-bottom p:nth-child(2) { text-align: center; }
.footer-bottom a { color: #fff; text-decoration: none; }

@media (max-width: 1100px) {
  html { scroll-padding-top: 78px; }
  .site-nav { height: 76px; }
  .site-nav::after { left: 24px; }
  .nav-inner { width: min(calc(100% - 36px),1320px); }
  .brand-link img { width: 220px; }
  .menu-toggle { display: flex; }
  .nav-menu { position: absolute; top: 76px; left: 0; right: 0; display: none; padding: 14px 18px 20px; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); }
  .nav-menu.is-open { display: grid; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-links a { min-height: 46px; display: flex; align-items: center; padding-inline: 14px; font-size: .95rem; }
  .nav-cta { min-height: 48px; margin-top: 10px; }
  .footer-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 36px 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand > p { max-width: 520px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 76px; }
  .site-nav { height: 74px; }
  .nav-inner { width: min(calc(100% - 32px), 1320px); }
  .brand-link img { width: 210px; }
  .nav-menu { top: 74px; }
  .split-heading { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .container { width: min(calc(100% - 32px), var(--content-width)); }
  .button { min-height: 54px; padding: 12px 24px; font-size: 1rem; }
  .site-footer { padding-top: 62px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 36px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { grid-template-columns: 1fr auto; }
  .footer-bottom p:nth-child(2) { grid-column: 1 / -1; grid-row: 2; text-align: left; }
}

@media (max-width: 390px) {
  .container { width: min(calc(100% - 24px), var(--content-width)); }
  .nav-inner { width: calc(100% - 24px); }
  .brand-link img { width: 190px; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: auto; }
  .footer-group a { margin-block: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}