:root {
  --bg: #fff8f0;
  --bg-soft: #fffdf9;
  --primary: #9b1c1f;
  --primary-deep: #6f0f13;
  --gold: #c89b3c;
  --gold-deep: #9e7420;
  --text: #2b1f1a;
  --muted: #725b4f;
  --line: rgba(155, 28, 31, 0.10);
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(111, 15, 19, 0.10);
  --wrap: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.75;
  background:
    linear-gradient(180deg, rgba(255,248,240,0.96), rgba(255,253,249,0.98)),
    url('https://images.unsplash.com/photo-1516549655169-df83a0774514?auto=format&fit=crop&w=1800&q=80') center top / cover fixed no-repeat;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { width: min(var(--wrap), calc(100% - 32px)); margin: 0 auto; }

.hero {
  position: relative;
  padding: 42px 0 80px;
  background:
    linear-gradient(90deg, rgba(111,15,19,0.90) 0%, rgba(111,15,19,0.78) 46%, rgba(111,15,19,0.18) 100%),
    url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?auto=format&fit=crop&w=1800&q=80') center / cover no-repeat;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.08), transparent 40%, rgba(0,0,0,0.10));
}

.hero-inner,
.quick-grid { position: relative; z-index: 2; }

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 28px;
  align-items: start;
}

.eyebrow,
.section-mark {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  letter-spacing: .12em;
  font-size: 12px;
  margin-bottom: 18px;
}

.section-mark {
  background: rgba(155,28,31,0.08);
  border-color: rgba(155,28,31,0.10);
  color: var(--primary);
}

.section-mark.gold {
  background: rgba(200,155,60,0.12);
  border-color: rgba(200,155,60,0.18);
  color: var(--gold-deep);
}

.hero-copy h1 {
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1.05;
  margin-bottom: 18px;
}

.hero-copy p {
  max-width: 700px;
  color: rgba(255,255,255,0.84);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--gold), #e2b658);
  box-shadow: 0 18px 36px rgba(200,155,60,0.24);
}
.btn-light {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-tags span {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
}

.hero-form-card {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255,250,244,0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}
.form-head small { display: block; color: var(--gold-deep); margin-bottom: 6px; font-weight: 700; }
.form-head h2 { font-size: 30px; line-height: 1.2; margin-bottom: 18px; color: var(--primary-deep); }
.form-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(155,28,31,0.08);
}
.form-list article:first-child { border-top: 0; padding-top: 0; }
.form-list b {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  color: #fff;
}
.form-list h3 { margin-bottom: 5px; }
.form-list p { color: var(--muted); font-size: 14px; }

.quick-band { margin-top: -26px; position: relative; z-index: 4; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px;
}
.quick-grid article {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,0.96);
  box-shadow: var(--shadow);
}
.quick-grid strong { display: block; color: var(--muted); margin-bottom: 6px; }
.quick-grid span { color: var(--primary-deep); font-weight: 700; }

.section { padding: 78px 0; }
.section-head h2,
.lead-left h2,
.lead-right h2,
.cta-box h2,
.site-footer h3 { font-size: 38px; line-height: 1.2; margin-bottom: 10px; }
.section-head p,
.intro,
.cta-box p,
.site-footer p,
.site-footer li,
.cards-grid p,
.env-panels p,
.diag-grid p,
.news-cards p,
.timeline-steps p,
.mini-note p { color: var(--muted); }
.center { text-align: center; }
.center p { max-width: 880px; margin: 0 auto; }
.split {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}
.split p { max-width: 620px; }

.lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}
.lead-left {
  padding-right: 26px;
  border-right: 1px solid rgba(155,28,31,0.10);
}
.timeline-steps {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.timeline-steps article {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow);
  border: 1px solid rgba(155,28,31,0.08);
  position: relative;
}
.timeline-steps span,
.cards-grid b,
.env-panels b {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  color: #fff;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 16px;
}
.timeline-steps h3,
.diag-grid h3,
.cards-grid h3,
.news-cards h3,
.env-panels h3,
.mini-note h3 { margin-bottom: 8px; }

.sticky-box {
  position: sticky;
  top: 24px;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,247,236,0.98));
  box-shadow: var(--shadow);
}
.sticky-box ul { display: grid; gap: 12px; margin: 18px 0 20px; }
.sticky-box li {
  position: relative;
  padding-left: 22px;
}
.sticky-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}
.mini-note {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(155,28,31,0.05);
}

.diag-section {
  background: linear-gradient(180deg, rgba(255,245,230,0.72), rgba(255,248,240,0));
}
.diag-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
}
.diag-grid article {
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,246,233,0.96));
  box-shadow: var(--shadow);
  border-top: 4px solid var(--gold);
}
.diag-grid em {
  display: inline-block;
  font-style: normal;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.cards-grid,
.env-panels,
.news-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
}
.cards-grid article,
.env-panels article {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255,255,255,0.97);
  box-shadow: var(--shadow);
}

.news-section {
  background:
    linear-gradient(135deg, rgba(111,15,19,0.94), rgba(84,14,18,0.92)),
    url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?auto=format&fit=crop&w=1800&q=80') center / cover no-repeat;
}
.news-wrap .section-head h2,
.news-wrap .section-head p,
.news-wrap .section-mark { color: #fff; }
.news-wrap .section-mark { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.16); }
.news-cards { margin-top: 28px; }
.news-cards article {
  padding: 28px;
  border-radius: 26px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
  color: #fff;
}
.news-cards time {
  display: inline-block;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.70);
  font-weight: 700;
}
.news-cards p { color: rgba(255,255,255,0.84); }

.footer-cta { padding-top: 48px; }
.cta-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(255,250,244,0.98), rgba(255,243,224,0.98));
  box-shadow: var(--shadow);
}

.site-footer { padding: 0 0 34px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 28px;
  padding: 36px;
  border-radius: 30px;
  background: rgba(255,255,255,0.97);
  box-shadow: var(--shadow);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 16px;
}
.footer-links strong { width: 100%; color: var(--primary-deep); }
.footer-links a { color: #7a2d2f; }

@media (max-width: 1100px) {
  .hero-inner,
  .lead-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .quick-grid,
  .diag-grid,
  .cards-grid,
  .env-panels,
  .news-cards,
  .timeline-steps { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .lead-left { padding-right: 0; border-right: 0; }
  .sticky-box { position: static; }
}

@media (max-width: 780px) {
  .hero-copy h1 { font-size: 42px; }
  .quick-grid,
  .diag-grid,
  .cards-grid,
  .env-panels,
  .news-cards,
  .timeline-steps,
  .form-list article { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .split { flex-direction: column; align-items: flex-start; }
  .section-head h2,
  .lead-left h2,
  .lead-right h2,
  .cta-box h2,
  .site-footer h3 { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}