:root {
  --green: #56c271;
  --green-deep: #2f9f4c;
  --green-soft: #eaf8ee;
  --navy: #0d1b27;
  --ink: #1a2433;
  --muted: #6f7b8b;
  --line: #e7edf4;
  --bg: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(18, 29, 45, 0.08);
  --shadow-lg: 0 30px 70px rgba(18, 29, 45, 0.16);
  --container: 1180px;
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
p, ul { margin: 0; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: #d88e91;
  color: #fff;
  font-size: 13px;
}

.topbar-shell {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-meta {
  display: flex;
  gap: 18px;
  opacity: 0.94;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid #eef2f6;
}

.nav-shell {
  min-height: 102px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, #48bb67, #1b8f41);
  box-shadow: 0 12px 24px rgba(39, 145, 73, 0.22);
}

.brand-copy strong {
  display: block;
  font-size: 26px;
  line-height: 1;
}

.brand-copy small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  font-size: 15px;
  letter-spacing: 0.01em;
}

.site-nav a {
  position: relative;
  padding: 6px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: 0.22s ease;
}

.site-nav a:hover::after { transform: scaleX(1); }

.header-contact {
  text-align: right;
}

.header-contact span {
  display: block;
  color: #9aa5b3;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.header-contact a {
  color: var(--navy);
  font-weight: 700;
  font-size: 20px;
}

.hero {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(8, 14, 20, 0.48), rgba(8, 14, 20, 0.52)),
    url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-copy {
  max-width: 820px;
  color: #fff;
  padding: 80px 0 140px;
}

.hero-kicker,
.section-tag,
.service-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.hero-kicker {
  border: 1px solid rgba(255,255,255,0.36);
  background: rgba(255,255,255,0.1);
  margin-bottom: 22px;
}

.section-tag,
.service-tag {
  color: var(--green-deep);
  background: var(--green-soft);
  margin-bottom: 18px;
}

.section-tag.light,
.service-tag.light {
  color: #fff;
  background: rgba(255,255,255,0.12);
}

h1, h2, h3, h4 { margin: 0; line-height: 1.15; }

h1 {
  font-size: clamp(46px, 6vw, 74px);
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -0.035em;
  margin-bottom: 16px;
}

h3 {
  font-size: 26px;
  letter-spacing: -0.03em;
}

h4 {
  font-size: 20px;
  margin-bottom: 14px;
}

.hero-copy p,
.section-copy p,
.feature-card p,
.service-card p,
.testimonial-card p,
.step-card p,
.news-card p,
.contact-copy p,
.contact-item em,
.risk-note p,
.footer-shell p,
.compare-card td,
.compare-card th,
.mini-fields span,
.check-list li,
.contact-points li {
  color: var(--muted);
}

.hero-copy p {
  max-width: 760px;
  margin: 0 auto;
  color: rgba(255,255,255,0.88);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 18px;
}

.btn {
  min-height: 54px;
  padding: 0 26px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #63d37e, #3ead5d);
  box-shadow: 0 14px 30px rgba(63, 178, 94, 0.28);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.36);
  background: rgba(255,255,255,0.08);
}

.hero-inline-note {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255,255,255,0.86);
  font-size: 14px;
}

.feature-band {
  margin-top: -82px;
  position: relative;
  z-index: 2;
}

.feature-grid,
.testimonial-grid,
.steps-grid,
.services-grid,
.news-grid {
  display: grid;
  gap: 24px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.step-card,
.service-card,
.news-card,
.contact-panel,
.compare-card,
.mini-form-card,
.testimonial-card {
  background: #fff;
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 42px 30px 36px;
  text-align: center;
  border-bottom: 4px solid var(--green);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 32px;
  border: 2px solid #d4f0dc;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.section {
  padding: 110px 0;
}

.about-section {
  background: #fff;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.image-panel {
  min-height: 520px;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-photo {
  background:
    linear-gradient(rgba(13, 27, 39, 0.18), rgba(13, 27, 39, 0.18)),
    url('https://images.unsplash.com/photo-1521791136064-7986c2920216?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
}

.image-badge {
  position: absolute;
  right: 28px;
  bottom: 28px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.92);
  color: var(--navy);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.section-copy h2,
.center h2 {
  max-width: 14em;
}

.check-list,
.contact-points {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.check-list li,
.contact-points li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before,
.contact-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green-deep);
  font-weight: 800;
}

.about-cta-row {
  margin-top: 28px;
}

.compare-section {
  background: linear-gradient(180deg, #f6f8fb 0%, #eff3f8 100%);
}

.compare-layout {
  align-items: start;
}

.compare-copy h3 {
  margin: 8px 0 14px;
  font-size: 24px;
}

.mini-form-card {
  margin-top: 28px;
  padding: 30px;
  border-top: 4px solid var(--green);
}

.mini-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 24px;
}

.mini-fields span {
  padding: 12px 14px;
  background: #f7fafc;
  border: 1px solid #edf2f7;
}

.compare-card {
  padding: 26px;
}

.compare-card table {
  width: 100%;
  border-collapse: collapse;
}

.compare-card th,
.compare-card td {
  padding: 16px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.compare-card thead th {
  color: var(--navy);
  font-size: 16px;
}

.compare-card tbody tr td:nth-child(2) {
  color: var(--navy);
  font-weight: 600;
}

.testimonials-section {
  color: #fff;
  background:
    linear-gradient(rgba(10, 18, 28, 0.82), rgba(10, 18, 28, 0.82)),
    url('https://images.unsplash.com/photo-1556740749-887f6717d7e4?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat;
}

.center {
  text-align: center;
}

.center h2 {
  margin-left: auto;
  margin-right: auto;
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
}

.testimonial-card {
  padding: 34px 30px;
  background: rgba(255,255,255,0.96);
}

.testimonial-card.active {
  border-top: 4px solid var(--green);
}

.testimonial-card strong {
  display: block;
  margin-top: 18px;
  color: var(--navy);
}

.steps-section {
  background: #fff;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 38px;
}

.step-card {
  padding: 38px 30px;
  text-align: center;
}

.step-no {
  width: 74px;
  height: 74px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--green-soft);
  color: var(--green-deep);
  font-size: 24px;
  font-weight: 800;
}

.step-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.services-section {
  background: linear-gradient(180deg, #f7f9fc 0%, #eef3f8 100%);
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
}

.service-card {
  padding: 32px 28px;
  border-top: 4px solid transparent;
}

.service-card.featured,
.service-card:hover {
  border-top-color: var(--green);
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card.dark {
  color: #fff;
  background: linear-gradient(135deg, #17302a, #1f5d48);
}

.service-card.dark p,
.service-card.dark .service-tag {
  color: rgba(255,255,255,0.86);
}

.news-section {
  background: #fff;
}

.news-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 38px;
}

.news-card {
  padding: 30px 26px;
}

.news-card span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.news-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.cta-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(135deg, #eff9f2, #ffffff);
  border-top: 4px solid var(--green);
}

.contact-section {
  background:
    linear-gradient(rgba(10, 18, 28, 0.86), rgba(10, 18, 28, 0.86)),
    url('https://images.unsplash.com/photo-1520607162513-77705c0f0d4a?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat;
}

.contact-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: start;
}

.contact-copy {
  color: #fff;
}

.contact-copy p,
.contact-points li {
  color: rgba(255,255,255,0.82);
}

.contact-panel {
  padding: 26px;
}

.contact-item {
  display: block;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  margin-bottom: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(18, 29, 45, 0.08);
}

.contact-item.primary {
  border-color: #caead2;
  background: #f6fcf8;
}

.contact-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 700;
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 20px;
}

.risk-note {
  padding-top: 8px;
}

.risk-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
}

.site-footer {
  padding: 28px 0 40px;
  background: #0c141d;
  color: rgba(255,255,255,0.7);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer-shell strong {
  display: block;
  margin-bottom: 6px;
  color: #fff;
}

.footer-right {
  text-align: right;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(18px);
  padding: 12px 16px;
  border-radius: 10px;
  background: #111827;
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
  box-shadow: 0 14px 26px rgba(17, 24, 39, 0.22);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1180px) {
  .feature-grid,
  .testimonial-grid,
  .services-grid,
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-shell,
  .split-layout,
  .contact-wrap,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .header-contact,
  .footer-right {
    text-align: left;
  }

  .site-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(var(--container), calc(100% - 24px));
  }

  .topbar-shell,
  .nav-shell,
  .hero-actions,
  .hero-inline-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-shell {
    min-height: auto;
    padding: 18px 0 20px;
    gap: 16px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-inner,
  .hero-copy {
    text-align: left;
    justify-content: flex-start;
  }

  .hero-copy p {
    margin: 0;
  }

  .btn {
    width: 100%;
  }

  .feature-grid,
  .steps-grid,
  .services-grid,
  .news-grid,
  .testimonial-grid,
  .mini-fields {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 80px 0;
  }

  .feature-band {
    margin-top: -48px;
  }

  .image-panel {
    min-height: 360px;
  }
}

@media (max-width: 560px) {
  h1 { font-size: 42px; }
  h2 { font-size: 32px; }
  h3 { font-size: 22px; }

  .feature-card,
  .step-card,
  .service-card,
  .news-card,
  .testimonial-card,
  .mini-form-card,
  .compare-card,
  .contact-panel {
    padding: 24px 20px;
  }

  .hero-copy {
    padding: 54px 0 110px;
  }
}