:root {
  --ink: #172424;
  --muted: #5c6b68;
  --soft: #f3f7f5;
  --line: #dce7e2;
  --card: #ffffff;
  --brand: #087b6a;
  --brand-dark: #075f53;
  --brand-light: #dff4ef;
  --accent: #e98b2a;
  --warning: #b64a1b;
  --shadow: 0 22px 55px rgba(26, 61, 56, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex: 1 1 auto;
  color: #354844;
  font-size: 14px;
}

.site-nav a {
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--brand);
}

.nav-action {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.phone-link {
  color: var(--brand-dark);
  font-weight: 700;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.btn-primary {
  color: #ffffff;
  background: var(--brand);
  box-shadow: 0 12px 28px rgba(8, 123, 106, 0.22);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  color: var(--brand-dark);
  background: #ffffff;
  border-color: var(--line);
}

.btn-small {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

.section {
  padding: 88px 0;
}

.section-band {
  padding: 78px 0 34px;
  background: linear-gradient(180deg, #f6faf8 0%, #ffffff 100%);
}

.section-muted {
  background: var(--soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  align-items: center;
  gap: 54px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: 0;
}

.title-line {
  display: block;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 620px;
  color: #445650;
  font-size: 20px;
}

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

.notice-row {
  display: grid;
  gap: 10px;
  max-width: 680px;
  color: var(--warning);
  font-size: 14px;
  font-weight: 700;
}

.notice-row span {
  display: block;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}

.hero-media {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #dfeae5;
}

.hero-media img {
  width: 100%;
  height: 510px;
  object-fit: cover;
}

.hero-panel {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hero-panel div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.hero-panel span,
.hero-panel strong {
  display: block;
}

.hero-panel span {
  color: var(--muted);
  font-size: 13px;
}

.hero-panel strong {
  margin-top: 5px;
  font-size: 15px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.hero-points div {
  min-height: 104px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.hero-points strong,
.hero-points span {
  display: block;
}

.hero-points span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.quote-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 14px 38px rgba(22, 58, 52, 0.08);
}

.quote-panel p {
  max-width: 720px;
  color: var(--muted);
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-head p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.info-card,
.price-card,
.steps article,
.company-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.info-card {
  min-height: 190px;
  padding: 24px;
}

.info-card span {
  color: var(--brand);
  font-weight: 800;
}

.info-card p,
.price-card p,
.steps p,
.about-grid p,
.section-copy {
  color: var(--muted);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.price-card {
  min-height: 250px;
  padding: 30px;
}

.price-card.featured {
  border-color: rgba(8, 123, 106, 0.42);
  background: var(--brand-light);
}

.price-label {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: #ffffff;
  font-size: 13px;
  font-weight: 800;
}

.steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.steps article {
  min-height: 150px;
  padding: 22px 18px;
}

.steps span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
}

.advantage-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 54px;
}

.advantage-list {
  display: grid;
  gap: 14px;
}

.advantage-list div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.advantage-list span {
  color: var(--muted);
}

.price-note {
  max-width: 900px;
}

.price-note p {
  color: var(--muted);
  font-size: 18px;
}

.price-note strong {
  color: var(--warning);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px 24px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.faq-list p {
  margin: 14px 0 0;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 46px;
  align-items: start;
}

.company-card {
  padding: 28px;
  box-shadow: 0 14px 34px rgba(22, 58, 52, 0.08);
}

dl {
  margin: 0;
}

.company-card div,
.contact-list div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.company-card div:first-child,
.contact-list div:first-child {
  padding-top: 0;
}

.company-card div:last-child,
.contact-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

dt {
  color: var(--muted);
  font-size: 14px;
}

dd {
  margin: 5px 0 0;
  font-weight: 800;
}

.contact-section {
  background: #ffffff;
}

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 46px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--brand-dark);
}

.contact-panel .eyebrow,
.contact-panel a {
  color: #ffffff;
}

.contact-panel h2 {
  max-width: 760px;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.contact-list div {
  border-color: rgba(255, 255, 255, 0.22);
}

.contact-list dt {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer {
  padding: 36px 0;
  color: #d6e6e2;
  background: #172424;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 36px;
}

.site-footer strong {
  color: #ffffff;
}

.site-footer p {
  margin: 8px 0 0;
}

.site-footer a {
  color: #ffffff;
}

.legal-page {
  background: var(--soft);
}

.legal-shell {
  max-width: 920px;
  padding: 72px 0;
}

.legal-card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(22, 58, 52, 0.08);
}

.legal-card h1 {
  font-size: 40px;
}

.legal-card h2 {
  margin-top: 34px;
  font-size: 24px;
}

.legal-card p,
.legal-card li {
  color: var(--muted);
}

.legal-back {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--brand-dark);
  font-weight: 800;
}

@media (max-width: 1060px) {
  .nav-wrap {
    flex-wrap: wrap;
    gap: 16px;
    padding: 14px 0;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav,
  .nav-action {
    display: none;
    width: 100%;
  }

  .site-header.is-open .site-nav,
  .site-header.is-open .nav-action {
    display: flex;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    order: 3;
  }

  .nav-action {
    order: 4;
  }

  .hero-grid,
  .advantage-layout,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-media img {
    height: 440px;
  }

  .hero-points,
  .card-grid,
  .price-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-panel,
  .quote-panel,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 32px, 1180px);
  }

  .section,
  .section-band {
    padding: 58px 0;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-media img {
    height: 320px;
  }

  .hero-panel {
    position: static;
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .hero-points,
  .card-grid,
  .price-grid,
  .steps,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .quote-panel,
  .contact-panel,
  .legal-card {
    padding: 26px;
  }

  .advantage-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .btn {
    width: 100%;
  }

  .nav-action {
    align-items: stretch;
    flex-direction: column;
  }

  .phone-link {
    text-align: center;
  }
}
