:root {
  --bg: #f2ede4;
  --bg-dark: #0b1420;
  --ink: #0f1722;
  --muted: rgba(15, 23, 34, 0.64);
  --muted-dark: rgba(243, 239, 231, 0.66);
  --line: rgba(15, 23, 34, 0.1);
  --line-dark: rgba(255, 255, 255, 0.1);
  --accent: #c98c3d;
  --accent-soft: rgba(201, 140, 61, 0.14);
  --paper: rgba(255, 255, 255, 0.65);
  --white: #fffaf2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "PingFang SC", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 140, 61, 0.18), transparent 28%),
    radial-gradient(circle at right 10%, rgba(59, 110, 163, 0.12), transparent 24%),
    var(--bg);
}

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

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 36px;
  backdrop-filter: blur(18px);
  background: rgba(242, 237, 228, 0.74);
  border-bottom: 1px solid rgba(15, 23, 34, 0.06);
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #d59a4c, #102234);
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy small,
.site-nav a,
.eyebrow,
.band-label,
.feature-tag,
.timeline-item span,
.contact-card span,
.info-block span {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
}

.brand-copy small,
.site-nav a {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

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

.hero {
  min-height: calc(100vh - 89px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.72fr);
  gap: 28px;
  padding: 36px;
}

.hero-copy,
.hero-aside,
.intro-band,
.section,
.site-footer {
  width: min(100%, 1400px);
  margin: 0 auto;
}

.hero-copy {
  padding: 64px 0 52px;
}

.eyebrow,
.band-label,
.feature-tag,
.timeline-item span,
.contact-card span,
.info-block span {
  color: rgba(130, 84, 28, 0.84);
}

.hero h1,
.section-head h2,
.login-like-title,
.product-main h3 {
  font-family: "Baskerville", "Times New Roman", "Songti SC", serif;
}

.hero h1 {
  max-width: 820px;
  margin: 18px 0 18px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.94;
}

.hero-lead,
.intro-band p,
.info-block p,
.product-main p,
.service-item p,
.policy-copy p {
  line-height: 1.8;
  color: var(--muted);
}

.hero-lead {
  max-width: 640px;
  font-size: 17px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.contact-card:hover,
.service-item:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, #d59a4c, #e6b164);
  color: #111821;
  font-weight: 700;
}

.button.ghost {
  border-color: rgba(15, 23, 34, 0.12);
  background: rgba(255, 255, 255, 0.38);
}

.hero-aside {
  display: grid;
  gap: 14px;
  align-content: center;
}

.hero-panel {
  padding: 20px 22px;
  border-radius: 24px;
  background: var(--paper);
  border: 1px solid rgba(15, 23, 34, 0.08);
  box-shadow: 0 20px 60px rgba(18, 25, 35, 0.06);
}

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

.hero-panel span {
  font-size: 12px;
  color: var(--muted);
}

.hero-panel strong {
  margin-top: 8px;
  font-size: 20px;
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding: 0 36px 36px;
}

.intro-band > div {
  padding: 22px 24px;
  border-top: 1px solid var(--line);
}

.section {
  padding: 48px 36px 32px;
}

.section-dark {
  background: linear-gradient(180deg, #0d1825, #111f30);
  color: var(--white);
}

.section-dark .section-head h2,
.section-dark .product-main h3,
.section-dark .service-item h3,
.section-dark .product-meta strong {
  color: var(--white);
}

.section-dark .product-main p,
.section-dark .service-item p,
.section-dark .product-meta span {
  color: var(--muted-dark);
}

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 14px 0 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-block {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.info-block h3,
.service-item h3,
.product-main h3 {
  margin: 14px 0 12px;
  font-size: 28px;
}

.product-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 20px;
  padding: 10px 0 30px;
}

.product-meta {
  padding: 6px 0;
  display: grid;
  gap: 18px;
}

.product-meta div {
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.product-meta span,
.product-meta strong {
  display: block;
}

.product-meta strong {
  margin-top: 8px;
  font-size: 18px;
}

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

.service-item {
  padding: 22px 0;
  border-top: 1px solid var(--line-dark);
  transition: transform 200ms ease;
}

.service-item span {
  color: rgba(236, 192, 122, 0.88);
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 24px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(15, 23, 34, 0.08);
}

.timeline-item strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.section-contact {
  padding-bottom: 56px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.contact-card {
  padding: 22px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(15, 23, 34, 0.08);
  transition: transform 200ms ease, background 200ms ease;
}

.contact-card strong {
  display: block;
  margin-top: 10px;
  font-size: 20px;
  word-break: break-all;
}

.site-footer {
  padding: 26px 36px 34px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  margin-top: 6px;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero,
  .product-feature,
  .policy-layout,
  .service-list,
  .contact-grid,
  .info-grid,
  .intro-band {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .intro-band,
  .section,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-copy {
    padding-top: 28px;
  }

  .hero h1 {
    font-size: clamp(38px, 14vw, 62px);
  }
}