:root {
  --pack-bg: #f6f8fb;
  --pack-surface: #ffffff;
  --pack-text: #172033;
  --pack-muted: #667085;
  --pack-line: #e5eaf2;
  --pack-blue: #1769e0;
  --pack-blue-dark: #1157b8;
  --pack-teal: #0f9f95;
  --pack-amber: #f2a51a;
  --pack-red: #e05252;
  --pack-shadow: 0 16px 42px rgba(17, 31, 52, .08);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
}

body.pack-landing {
  overflow-x: hidden;
  background: var(--pack-bg);
  color: var(--pack-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0;
}

.pack-page a {
  color: inherit;
  text-decoration: none;
}

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

.pack-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.pack-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(229, 234, 242, .9);
  box-shadow: 0 8px 24px rgba(17, 31, 52, .04);
}

.pack-nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.pack-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: 190px;
  min-width: 190px;
  color: var(--pack-text);
  font-size: 18px;
  font-weight: 900;
}

.pack-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.pack-menu {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
}

.pack-menu a {
  color: #475467;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color .18s ease;
}

.pack-menu a:hover,
.pack-menu a.active {
  color: var(--pack-blue);
}

.pack-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pack-link {
  color: #344054;
  font-weight: 700;
}

.pack-btn {
  min-width: 96px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}

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

.pack-btn-primary {
  background: var(--pack-blue);
  color: #fff;
  box-shadow: 0 10px 22px rgba(23, 105, 224, .18);
}

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

.pack-btn-soft {
  background: #fff;
  color: #344054;
  border-color: #d7dee8;
}

.pack-btn-soft:hover {
  color: var(--pack-blue);
  border-color: rgba(23, 105, 224, .45);
  box-shadow: 0 10px 22px rgba(17, 31, 52, .08);
}

.pack-btn-lg {
  min-height: 48px;
  padding: 0 24px;
}

.pack-menu-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pack-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  place-items: center;
  border: 1px solid var(--pack-line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.pack-menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px 0;
  background: #344054;
  border-radius: 99px;
}

.pack-hero {
  background: #fff;
  border-bottom: 1px solid var(--pack-line);
  padding: 78px 0 72px;
}

.pack-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  gap: 56px;
  align-items: center;
}

.pack-eyebrow,
.pack-section-head span,
.pack-cta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid #cfe4ff;
  border-radius: 999px;
  background: #eef6ff;
  color: var(--pack-blue);
  font-size: 12px;
  font-weight: 900;
}

.pack-hero h1 {
  margin: 20px 0 18px;
  color: var(--pack-text);
  font-size: 56px;
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: 0;
}

.pack-hero p {
  max-width: 640px;
  margin: 0;
  color: var(--pack-muted);
  font-size: 18px;
  line-height: 1.9;
}

.pack-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.pack-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 520px;
  margin-top: 34px;
}

.pack-metrics div {
  min-height: 78px;
  padding: 14px 16px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fff;
}

.pack-metrics strong {
  display: block;
  color: var(--pack-text);
  font-size: 24px;
  line-height: 1.1;
  font-weight: 900;
}

.pack-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--pack-muted);
  font-size: 13px;
  font-weight: 700;
}

.pack-visual {
  overflow: hidden;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--pack-shadow);
}

.pack-visual-bar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid var(--pack-line);
  background: #fbfcfe;
}

.pack-visual-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.pack-visual-bar span:nth-child(1) {
  background: var(--pack-red);
}

.pack-visual-bar span:nth-child(2) {
  background: var(--pack-amber);
}

.pack-visual-bar span:nth-child(3) {
  background: var(--pack-teal);
}

.pack-visual-bar strong {
  margin-left: 8px;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}

.pack-task-list {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.pack-task {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fff;
}

.pack-task span {
  display: block;
  color: var(--pack-muted);
  font-size: 12px;
  font-weight: 800;
}

.pack-task strong {
  display: block;
  margin-top: 4px;
  color: var(--pack-text);
  font-size: 15px;
  font-weight: 900;
}

.pack-task em {
  min-width: 54px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #effbf9;
  color: var(--pack-teal);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.pack-shot {
  margin: 0 18px 18px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #f8fafc;
  overflow: hidden;
}

.pack-shot img {
  width: 100%;
  height: 214px;
  object-fit: cover;
  object-position: center top;
}

.pack-section {
  padding: 78px 0;
  background: #fff;
}

.pack-section-muted {
  background: var(--pack-bg);
  border-top: 1px solid var(--pack-line);
  border-bottom: 1px solid var(--pack-line);
}

.pack-section-head {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.pack-section-head-left {
  margin: 0;
  text-align: left;
}

.pack-section-head h2,
.pack-cta h2 {
  margin: 14px 0 10px;
  color: var(--pack-text);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: 0;
}

.pack-section-head p {
  margin: 0;
  color: var(--pack-muted);
  font-size: 16px;
}

.pack-service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.pack-service-card {
  min-height: 284px;
  padding: 24px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.pack-service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(23, 105, 224, .28);
  box-shadow: 0 14px 34px rgba(17, 31, 52, .08);
}

.pack-service-card img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.pack-service-card h3,
.pack-step-list h3 {
  margin: 18px 0 10px;
  color: var(--pack-text);
  font-size: 19px;
  line-height: 1.3;
  font-weight: 900;
}

.pack-service-card p,
.pack-step-list p,
.pack-faq p {
  margin: 0;
  color: var(--pack-muted);
}

.pack-service-card a {
  display: inline-flex;
  margin-top: 20px;
  color: var(--pack-blue);
  font-weight: 900;
}

.pack-step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pack-step-list li {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fff;
}

.pack-step-list strong {
  color: var(--pack-amber);
  font-size: 13px;
  letter-spacing: 0;
}

.pack-faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr);
  gap: 54px;
  align-items: start;
}

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

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

.pack-faq summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  color: var(--pack-text);
  font-weight: 900;
  cursor: pointer;
}

.pack-faq p {
  padding: 0 20px 20px;
}

.pack-cta {
  padding: 58px 0;
  background: #fff;
  border-top: 1px solid var(--pack-line);
}

.pack-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px;
  border: 1px solid var(--pack-line);
  border-radius: 8px;
  background: #fbfcfe;
}

.pack-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pack-footer {
  padding: 34px 0;
  background: #111827;
  color: #d0d5dd;
}

.pack-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.pack-footer strong {
  display: block;
  color: #fff;
  font-size: 18px;
}

.pack-footer p {
  margin: 6px 0 0;
  color: #98a2b3;
}

.pack-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.pack-footer a {
  color: #d0d5dd;
  font-weight: 700;
}

@media (max-width: 1080px) {
  .pack-hero-grid,
  .pack-faq-layout {
    grid-template-columns: 1fr;
  }

  .pack-service-grid,
  .pack-step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pack-visual {
    max-width: 620px;
  }
}

@media (max-width: 860px) {
  .pack-nav {
    flex-wrap: wrap;
    gap: 14px;
    padding: 12px 0;
  }

  .pack-brand {
    width: auto;
    min-width: 0;
  }

  .pack-menu-button {
    display: grid;
  }

  .pack-menu,
  .pack-actions {
    display: none;
    width: 100%;
  }

  .pack-menu-check:checked ~ .pack-menu,
  .pack-menu-check:checked ~ .pack-actions {
    display: flex;
  }

  .pack-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 0;
    border-top: 1px solid var(--pack-line);
  }

  .pack-menu a {
    width: 100%;
    padding: 10px 0;
  }

  .pack-actions {
    justify-content: flex-start;
    padding-bottom: 6px;
  }

  .pack-hero {
    padding: 54px 0 52px;
  }

  .pack-hero h1 {
    font-size: 38px;
  }

  .pack-hero p {
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .pack-shell {
    width: min(100% - 28px, 1180px);
  }

  .pack-hero h1 {
    font-size: 34px;
  }

  .pack-metrics,
  .pack-service-grid,
  .pack-step-list {
    grid-template-columns: 1fr;
  }

  .pack-section {
    padding: 56px 0;
  }

  .pack-section-head h2,
  .pack-cta h2 {
    font-size: 28px;
  }

  .pack-service-card,
  .pack-step-list li {
    min-height: auto;
  }

  .pack-cta-inner,
  .pack-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .pack-footer nav {
    justify-content: flex-start;
  }

  .pack-shot img {
    height: 180px;
  }
}