:root {
  --navy: #071a33;
  --navy-2: #10294a;
  --gold: #c99a45;
  --gold-2: #e3bd73;
  --ink: #172033;
  --muted: #667085;
  --line: #e8edf4;
  --bg: #f6f8fb;
  --white: #ffffff;
  --radius: 20px;
  --shadow: 0 20px 60px rgba(7, 26, 51, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--ink); background: var(--white); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-wrap { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: var(--gold-2); letter-spacing: 1px; }
.brand-text { color: var(--navy); }
.site-nav { display: flex; gap: 28px; font-size: 15px; color: #344054; }
.site-nav a:hover { color: var(--gold); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 26px; color: var(--navy); }
.section { padding: 92px 0; }
.section-light, .section-muted { background: var(--bg); }
.section-dark { color: var(--white); background: radial-gradient(circle at 80% 20%, rgba(201,154,69,.28), transparent 32%), linear-gradient(135deg, var(--navy), #0b2343 68%, #061426); }
.hero { min-height: 680px; display: flex; align-items: center; padding: 120px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-weight: 800; letter-spacing: .16em; font-size: 13px; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(46px, 7vw, 82px); line-height: 1.05; margin-bottom: 16px; letter-spacing: -0.04em; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.18; margin-bottom: 16px; letter-spacing: -0.03em; }
h3 { font-size: 21px; margin-bottom: 10px; }
.hero-subtitle { font-size: 28px; color: var(--gold-2); font-weight: 700; margin-bottom: 20px; }
.hero-desc { max-width: 680px; color: rgba(255,255,255,.82); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; border: 1px solid transparent; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #1d1608; box-shadow: 0 14px 34px rgba(201,154,69,.25); }
.btn-outline { border-color: rgba(255,255,255,.42); color: var(--white); }
.full { width: 100%; border-radius: 14px; }
.hero-card { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 28px; padding: 24px; box-shadow: 0 30px 80px rgba(0,0,0,.25); backdrop-filter: blur(14px); }
.metric { padding: 28px; border-bottom: 1px solid rgba(255,255,255,.16); }
.metric:last-child { border-bottom: 0; }
.metric strong { display: block; color: var(--gold-2); font-size: 46px; line-height: 1; margin-bottom: 10px; }
.metric span { color: rgba(255,255,255,.86); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.text-block p, .section-head p, .feature-card p, .service-card p, .case-card p, .assessment p, .contact-card p, .site-footer p { color: var(--muted); }
.section-dark .text-block p, .section-dark p { color: rgba(255,255,255,.78); }
.section-head { max-width: 720px; margin-bottom: 42px; }
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.feature-list { display: grid; gap: 18px; }
.feature-card, .service-card, .case-card, .assessment-form, .contact-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.feature-card { padding: 28px; }
.feature-card.large { padding: 42px; }
.service-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.service-card { padding: 26px; min-height: 290px; }
.service-card span { color: var(--gold); font-weight: 900; letter-spacing: .08em; }
.case-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.case-card { overflow: hidden; }
.case-card h3, .case-card p { padding: 0 20px; }
.case-card p { padding-bottom: 22px; }
.case-image { height: 150px; display: grid; place-items: center; margin-bottom: 22px; color: var(--gold-2); font-size: 28px; font-weight: 800; background: linear-gradient(135deg, #0b2343, #071a33); }
.assessment-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.notice { margin-top: 26px; padding: 18px; border-left: 4px solid var(--gold); background: rgba(255,255,255,.08); border-radius: 12px; }
.assessment-form { padding: 28px; color: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 8px; margin-bottom: 16px; color: #344054; font-weight: 700; font-size: 14px; }
input, select, textarea { width: 100%; border: 1px solid #d8dee9; border-radius: 14px; padding: 13px 14px; font: inherit; outline: none; background: #fff; }
input:focus, select:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(201,154,69,.14); }
.contact-section { background: linear-gradient(180deg, #fff, var(--bg)); }
.contact-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; padding: 42px; align-items: center; }
.contact-info { padding: 28px; border-radius: 18px; background: var(--bg); }
.contact-info a { color: var(--gold); font-weight: 800; }
.site-footer { padding: 36px 0; background: #061426; color: var(--white); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; }
.site-footer p { margin-bottom: 6px; color: rgba(255,255,255,.72); }
@media (max-width: 980px) {
  .site-nav { display: none; position: absolute; left: 20px; right: 20px; top: 78px; padding: 18px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); flex-direction: column; gap: 12px; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-grid, .split, .about-grid, .assessment-grid, .contact-card { grid-template-columns: 1fr; }
  .service-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { flex-direction: column; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .brand-text { display: none; }
  .section { padding: 68px 0; }
  .hero { min-height: auto; padding: 92px 0 70px; }
  .hero-subtitle { font-size: 22px; }
  .service-grid, .case-grid, .form-row { grid-template-columns: 1fr; }
  .feature-card.large, .contact-card { padding: 28px; }
}