:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #e5e7eb;
  --primary: #ff6a00;
  --primary-dark: #d95600;
  --dark: #111827;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(17, 24, 39, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif; color: var(--text); background: var(--bg); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(229,231,235,.9); backdrop-filter: blur(12px); }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-mark, .brand-badge { font-weight: 800; font-size: 20px; color: var(--primary); letter-spacing: .02em; }
.brand small, .brand-text { color: var(--muted); font-size: 12px; }
.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.main-nav a { padding: 10px 11px; border-radius: 9px; font-size: 14px; color: #344054; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); background: #fff2e8; }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 7px 11px; font-size: 20px; cursor: pointer; }
.hero { padding: 96px 0 84px; background: radial-gradient(circle at 90% 10%, #ffe1ca 0, transparent 34%), linear-gradient(135deg,#fff 0,#fff7f0 48%,#f4f7fb 100%); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: 48px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--primary); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
h1 { margin: 0 0 22px; font-size: clamp(38px, 6vw, 66px); line-height: 1.1; letter-spacing: -.03em; }
h2 { margin: 0 0 24px; font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: -.02em; }
h3 { margin-top: 0; font-size: 20px; }
.lead { margin: 0; max-width: 760px; font-size: 19px; color: #475467; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid #d0d5dd; border-radius: 12px; background: #fff; font-weight: 700; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(17,24,39,.08); }
.btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.hero-card, .notice, .cards article, .service-list > *, .news-list > *, .content { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card { padding: 28px; }
.hero-card p { margin: 10px 0; color: #475467; }
.section { padding: 72px 0; }
.section.content { margin-top: 56px; margin-bottom: 56px; padding: 38px 42px; }
.cards { display: grid; gap: 20px; }
.cards.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.cards.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cards.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.cards article { padding: 26px; }
.cards article p { margin-bottom: 0; color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.notice { padding: 28px; border-left: 4px solid var(--primary); background: #fffaf5; }
.page-hero { padding: 72px 0 58px; background: linear-gradient(135deg,#fff,#fff4eb); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(34px, 5vw, 54px); }
.page-hero p { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; }
.timeline { position: relative; padding-left: 26px; border-left: 2px solid #ffd4b5; }
.timeline > * { margin: 0 0 24px; padding: 22px 24px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.timeline > *:last-child { margin-bottom: 0; }
.service-list { display: grid; gap: 18px; }
.service-list > * { padding: 24px 26px; }
.news-list { display: grid; gap: 18px; }
.news-list > * { padding: 24px 28px; }
.tag { display: inline-flex; padding: 5px 10px; border-radius: 999px; background: #fff1e6; color: var(--primary-dark); font-size: 12px; font-weight: 700; }
.site-footer { margin-top: 64px; background: var(--dark); color: #e5e7eb; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .75fr .75fr; gap: 42px; padding: 52px 0 36px; }
.footer-brand { color: #fff; font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.site-footer p { color: #98a2b3; }
.site-footer h4 { color: #fff; margin: 0 0 14px; }
.site-footer a { display: block; color: #cbd5e1; margin: 8px 0; }
.site-footer a:hover { color: #fff; }
.copyright { border-top: 1px solid #283140; padding: 18px 20px; text-align: center; color: #98a2b3; font-size: 14px; }
.copyright a { display: inline; }
@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; left: 20px; right: 20px; top: 72px; background: #fff; padding: 12px; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
  .main-nav.open { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); }
  .main-nav a { padding: 12px; }
  .hero-grid, .split, .footer-grid { grid-template-columns: 1fr; }
  .cards.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cards.three { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .hero { padding: 68px 0 58px; }
  h1 { font-size: 39px; }
  .lead { font-size: 17px; }
  .cards.two, .cards.three, .cards.four { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .section.content { padding: 26px 22px; }
  .main-nav.open { grid-template-columns: 1fr; }
}