/* 发展历程：中央细轴串联七组图文，逐行交换图片与文字位置。 */
.journey-section { --journey-paper: #f4f7f9; --journey-gutter: 116px; background: var(--journey-paper); border-block: 1px solid #e5ebef; }
.journey-heading { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.journey-heading .eyebrow { color: #987444; }
.journey-heading h2 { letter-spacing: .08em; }
.journey-intro { margin-top: 18px; color: #987444; font: 500 21px/1.6 var(--serif); letter-spacing: .08em; }
.journey-description { margin-top: 12px; color: var(--muted); font-size: 15px; }
.journey-panels { position: relative; list-style: none; margin: 0; padding: 20px 0; }
.journey-panels::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; transform: translateX(-50%); background: linear-gradient(transparent, #cdd4d8 90px, #cdd4d8 calc(100% - 90px), transparent); }
.journey-panel { position: relative; scroll-margin-top: calc(var(--header-height) + 24px); }
.journey-panel + .journey-panel { margin-top: 76px; }
.journey-card { display: grid; grid-template-columns: minmax(0, 1fr) var(--journey-gutter) minmax(0, 1fr); align-items: center; }
.journey-image { grid-column: 1; grid-row: 1; aspect-ratio: 5 / 3; overflow: hidden; background: #dce5ec; box-shadow: 0 14px 32px #112f4408; }
.journey-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.journey-text { grid-column: 3; grid-row: 1; min-width: 0; padding: 14px 22px 14px 0; }
.journey-panel:nth-child(even) .journey-image { grid-column: 3; }
.journey-panel:nth-child(even) .journey-text { grid-column: 1; padding: 14px 0 14px 22px; }
.journey-marker { margin: 0 0 13px; scroll-margin-top: calc(var(--header-height) + 24px); }
.journey-year { color: #a08252; font: 400 clamp(34px, 3.25vw, 46px)/1.15 Georgia, var(--serif); white-space: nowrap; font-variant-numeric: lining-nums tabular-nums; letter-spacing: -.025em; }
.journey-dot { position: absolute; z-index: 1; left: calc(50% - 5px); top: calc(50% - 5px); width: 10px; height: 10px; border: 2px solid var(--journey-paper); border-radius: 50%; background: #a98a57; box-shadow: 0 0 0 6px var(--journey-paper), 0 0 0 7px #d7c8ad; }
.journey-panel::after { content: ""; position: absolute; left: calc(50% - 24px); top: 50%; width: 48px; height: 1px; background: #c8b99e; }
.journey-copy h3 { color: var(--navy); font-size: 30px; font-weight: 600; line-height: 1.5; letter-spacing: .08em; }
.journey-lead { margin-top: 21px; color: #263f54; font: 500 17px/1.8 var(--serif); }
.journey-body { max-width: 35em; margin-top: 12px; color: #647381; font-size: 14px; line-height: 1.95; }
.journey-highlights { display: flex; flex-wrap: wrap; gap: 10px 20px; list-style: none; margin: 23px 0 0; padding: 16px 0 0; border-top: 1px solid #dce3e7; color: #807151; font-size: 12px; }
.journey-highlights li { display: inline-flex; align-items: center; gap: 8px; line-height: 1.5; }
.journey-highlights li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: #b59967; }
.journey-panel:target .journey-dot, .journey-panel.is-linked .journey-dot { background: var(--navy); box-shadow: 0 0 0 6px var(--journey-paper), 0 0 0 7px #b39867; }
@media (max-width: 1150px) and (min-width: 761px) {
  .journey-section { --journey-gutter: 76px; }
  .journey-panel + .journey-panel { margin-top: 62px; }
  .journey-image { aspect-ratio: 4 / 3; }
  .journey-text, .journey-panel:nth-child(even) .journey-text { padding: 6px 0; }
  .journey-year { font-size: 34px; }
  .journey-copy h3 { font-size: 27px; }
  .journey-lead { margin-top: 14px; font-size: 16px; }
  .journey-body { font-size: 13px; }
  .journey-highlights { margin-top: 17px; padding-top: 13px; gap: 8px 16px; }
  .journey-panel::after { left: calc(50% - 17px); width: 34px; }
}
@media (max-width: 760px) {
  .journey-heading { margin-bottom: 40px; }
  .journey-heading h2 { font-size: 34px; }
  .journey-intro { margin-top: 14px; font-size: 20px; }
  .journey-description { max-width: 23em; margin: 12px auto 0; font-size: 14px; line-height: 1.8; text-wrap: balance; }
  .journey-panels { padding: 0 0 0 26px; }
  .journey-panels::before { top: 18px; bottom: 0; left: 3px; background: linear-gradient(#d6c5a5, #d4dde3 96%, transparent); }
  .journey-panel + .journey-panel { margin-top: 46px; }
  .journey-panel::after { display: none; }
  .journey-card { display: flex; flex-direction: column; align-items: stretch; }
  .journey-text { display: contents; }
  .journey-marker { order: 0; margin: 0 0 18px; }
  .journey-year { font-size: 32px; }
  .journey-dot { left: -28px; top: 13px; }
  .journey-image { order: 1; aspect-ratio: 5 / 3; box-shadow: none; }
  .journey-copy { order: 2; padding: 21px 0 0; }
  .journey-copy h3 { font-size: 26px; }
  .journey-lead { margin-top: 13px; font-size: 16px; }
  .journey-body { margin-top: 9px; font-size: 14px; }
  .journey-highlights { gap: 9px 14px; margin-top: 19px; padding-top: 14px; font-size: 11px; }
  body[data-page="about"] .back-to-top { display: none; }
}
@media (prefers-reduced-motion: no-preference) and (hover: hover) {
  .journey-image img { transition: transform .8s ease; }
  .journey-image:hover img { transform: scale(1.025); }
}