:root {
  --ink: #17202a;
  --muted: #5a6878;
  --soft: #eef4f3;
  --paper: #f7faf9;
  --white: #ffffff;
  --line: #d8e4e1;
  --brand: #0f766e;
  --brand-dark: #0b514d;
  --accent: #9a6a16;
  --danger: #8a3b12;
  --shadow: 0 18px 44px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 800;
}

.brand-link img {
  width: 198px;
  height: auto;
}

.brand-fallback {
  display: none;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
}

.nav-links a {
  text-decoration: none;
}

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

.nav-phone {
  color: var(--brand);
  font-weight: 800;
}

.hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(15, 118, 110, 0.13), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #ecf5f3 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.94fr);
  gap: 48px;
  align-items: center;
  padding: 60px 0 68px;
}

.hero h1,
.page-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero p,
.page-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 0 18px;
  border: 1px solid var(--brand);
  text-decoration: none;
  font-weight: 800;
}

.btn.primary {
  background: var(--brand);
  color: #fff;
}

.btn.secondary {
  color: var(--brand);
  background: #fff;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-strip span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--brand-dark);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 14px;
  font-weight: 700;
}

.product-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-photo {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.hero-photo figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
}

.pack-card {
  border: 2px solid var(--brand);
  border-radius: 8px;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  padding: 34px 24px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.13), rgba(255, 255, 255, 0.96)),
    #fff;
}

.pack-card strong {
  font-size: 34px;
  line-height: 1.2;
}

.pack-card span {
  color: var(--muted);
  font-weight: 800;
}

.risk-note {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: #fff8e8;
  color: #5b420e;
}

.section {
  padding: 64px 0;
  background: #fff;
}

.section.alt {
  background: var(--paper);
}

.section h2,
.page-section h2 {
  margin: 0 0 22px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-lead {
  max-width: 760px;
  margin: -8px 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-height: 150px;
}

.card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.info-table th,
.info-table td {
  border-bottom: 1px solid var(--line);
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 190px;
  background: var(--soft);
  color: var(--brand-dark);
}

.steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
}

.notice-box {
  padding: 20px;
  border: 1px solid #ead6aa;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #fff9ea;
  color: #61470f;
}

.page-hero {
  padding: 70px 0 54px;
  background: linear-gradient(180deg, #ffffff 0%, #edf5f4 100%);
  border-bottom: 1px solid var(--line);
}

.page-section {
  padding: 56px 0;
  background: #fff;
}

.page-section.alt {
  background: var(--paper);
}

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

.article-item {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}

.article-item strong {
  display: block;
  margin-bottom: 6px;
}

.article-item span {
  color: var(--muted);
}

.placeholder-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.placeholder {
  border: 1px dashed #9ab1ad;
  border-radius: 8px;
  background: #fbfdfc;
  min-height: 170px;
  padding: 20px;
  color: var(--muted);
}

.placeholder strong {
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.media-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.media-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.media-card figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.document-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.document-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f8faf9;
  border-bottom: 1px solid var(--line);
}

.document-card.portrait img {
  aspect-ratio: 3 / 4;
}

.document-body {
  padding: 16px;
}

.document-body strong {
  display: block;
  margin-bottom: 6px;
}

.document-body p {
  margin: 0 0 12px;
  color: var(--muted);
}

.text-link {
  color: var(--brand);
  font-weight: 800;
  text-decoration: none;
}

.qr-panel {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.qr-panel img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.site-footer {
  background: #15212b;
  color: #dce7ec;
  padding: 34px 0;
  font-size: 14px;
}

.site-footer .wrap {
  display: grid;
  gap: 6px;
}

.site-footer a {
  color: #dce7ec;
  text-decoration: none;
}

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 0;
    white-space: normal;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .grid,
  .placeholder-list,
  .media-grid,
  .document-grid,
  .qr-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-link img {
    width: 168px;
  }

  .hero-grid {
    padding: 42px 0 52px;
  }

  .section,
  .page-section {
    padding: 44px 0;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: 0;
  }
}