:root {
  --paper:#F5F1E8;
  --paper-2:#EFE8D8;
  --ink:#1A1A1A;
  --ink-2:#4A4A4A;
  --ink-3:#8A8378;
  --red:#B73A2A;
  --red-dark:#992E20;
  --line:#E0D8C8;
  --white:#FFF;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif
}
* {
  box-sizing:border-box;
  margin:0;
  padding:0
}
html,body {
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.7
}
body {
  background-image:radial-gradient(rgba(0,0,0,.02) 1px,transparent 1px);
  background-size:3px 3px
}
a {
  color:inherit;
  text-decoration:none
}
img {
  max-width:100%;
  display:block
}
button {
  font:inherit;
  cursor:pointer;
  border:0;
  background:none
}
.nav {
  position:sticky;
  top:0;
  z-index:100;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  background:rgba(245,241,232,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all .25s
}
.nav.scrolled {
  height:56px;
  background:var(--paper);
  border-bottom-color:var(--line)
}
.nav-left,.nav-right {
  display:flex;
  align-items:center;
  gap:16px
}
.seal {
  width:36px;
  height:36px;
  background:var(--red);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--serif);
  font-weight:700;
  font-size:14px;
  border-radius:4px;
  transform:rotate(-3deg)
}
.brand {
  font-family:var(--serif);
  font-weight:700;
  font-size:18px
}
.nav-links {
  display:flex;
  gap:32px;
  list-style:none
}
.nav-links a {
  font-size:14px;
  color:var(--ink-2);
  position:relative;
  padding:6px 0
}
.nav-links a:hover,.nav-links a.active {
  color:var(--red)
}
.nav-links a.active:after {
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--red)
}
.icon-btn {
  font-size:18px;
  color:var(--ink-2);
  padding:6px
}
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:6px;
  font-size:14px;
  transition:all .2s
}
.btn-primary {
  background:var(--red);
  color:#fff
}
.btn-primary:hover {
  background:var(--red-dark);
  transform:translateY(-1px)
}
.btn-ghost {
  border:1px solid var(--ink)
}
.btn-ghost:hover {
  border-color:var(--red);
  color:var(--red)
}
.hamburger {
  display:none;
  font-size:22px
}
.container {
  max-width:1200px;
  margin:0 auto;
  padding:0 40px
}
.section-head {
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:32px
}
.section-head .seal {
  width:28px;
  height:28px;
  font-size:12px
}
.section-head h2 {
  font-family:var(--serif);
  font-size:28px
}
.chip {
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--paper-2);
  font-size:12px;
  color:var(--ink-2)
}
.chip.red {
  background:var(--red);
  color:#fff
}
footer {
  padding:40px;
  text-align:center;
  color:var(--ink-3);
  font-size:13px;
  border-top:1px solid var(--line)
}
footer .seal {
  margin:0 auto 12px;
  transform:none
}
.hero {
  padding:80px 0 60px;
  overflow:hidden
}
.hero-grid {
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:60px;
  align-items:center
}
.hero .tag {
  margin-bottom:24px
}
.hero h1 {
  font-family:var(--serif);
  font-size:64px;
  line-height:1.2;
  margin-bottom:24px
}
.hero p {
  font-size:17px;
  color:var(--ink-2);
  margin-bottom:32px;
  max-width:520px
}
.hero-actions {
  display:flex;
  gap:16px;
  margin-bottom:40px
}
.hero-stats {
  display:flex;
  gap:24px;
  color:var(--ink-3);
  font-size:13px
}
.hero-stats span {
  padding-right:24px;
  border-right:1px solid var(--line)
}
.hero-stats span:last-child {
  border:0
}
.hero-visual {
  position:relative;
  height:480px
}
.hero-map,.map-canvas,.walk-map {
  background:linear-gradient(135deg,#EDE4CC,#D9CDA8)
}
.hero-map {
  position:absolute;
  inset:0;
  border:1px solid var(--line)
}
.hero-photo {
  position:absolute;
  top:30px;
  left:30px;
  right:30px;
  height:320px;
  background:#FAF7EF;
  border:10px solid #fff;
  box-shadow:0 20px 40px rgba(0,0,0,.08)
}
.hero-photo img {
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.78) sepia(.12)
}
.hero-seal {
  position:absolute;
  right:60px;
  bottom:60px;
  width:64px;
  height:64px;
  background:var(--red);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--serif);
  font-size:22px;
  transform:rotate(-8deg)
}
.hero-years {
  position:absolute;
  right:-20px;
  top:20px;
  bottom:20px;
  border-left:1px solid var(--line);
  padding-left:12px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  font-family:var(--serif);
  font-size:13px;
  color:var(--ink-3)
}
.hero-years i {
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--red);
  margin-right:8px
}
.wave {
  height:80px;
  background:linear-gradient(180deg,transparent,#EDE6D3);
  border-radius:50% 50% 0 0/100% 100% 0 0
}
.chapters {
  padding:60px 40px
}
.chapter-grid,.photo-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px
}
.chapter-card,.photo-card,.person-card,.route-card,.side-card {
  background:#fff;
  border:1px solid var(--line)
}
.chapter-card {
  padding:28px;
  display:flex;
  gap:24px;
  transition:all .2s
}
.chapter-card:hover,.person-card:hover,.route-card:hover {
  border-color:var(--red);
  transform:translateY(-2px)
}
.chapter-num {
  font-family:var(--serif);
  font-size:32px;
  color:var(--red);
  font-weight:700
}
.chapter-card h3,.route-card h4,.person-card h4 {
  font-family:var(--serif)
}
.chapter-card h3 {
  font-size:20px
}
.meta,.sub {
  font-size:13px;
  color:var(--ink-3)
}
.tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin:12px 0
}
.more,.dl,.loc {
  color:var(--red);
  font-size:13px
}
.timeline-hero,.walk-hero {
  background:#1A1A1A;
  color:#fff;
  text-align:center
}
.timeline-hero {
  height:420px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center
}
.timeline-hero h1 {
  font-family:var(--serif);
  font-size:52px;
  line-height:1.3;
  margin:16px 0
}
.timeline-hero .date {
  color:#bbb;
  margin-bottom:24px
}
.timeline-hero .stats {
  display:flex;
  gap:12px
}
.timeline-hero .stats span {
  padding:8px 16px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;
  font-size:13px
}
.tabs {
  display:flex;
  justify-content:center;
  gap:32px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  margin-bottom:40px
}
.tabs button {
  color:var(--ink-3);
  padding:8px 0
}
.tabs button.active {
  color:var(--red);
  border-bottom:2px solid var(--red)
}
.article-wrap {
  display:grid;
  grid-template-columns:1fr 280px;
  gap:60px;
  max-width:1000px;
  margin:0 auto;
  padding:0 40px
}
.article {
  font-size:16px;
  color:var(--ink-2)
}
.article p {
  margin-bottom:20px
}
.article .drop:first-letter {
  font-family:var(--serif);
  font-size:48px;
  float:left;
  line-height:1;
  padding-right:8px;
  color:var(--red);
  font-weight:700
}
.pull-quote {
  border-left:4px solid var(--red);
  padding:16px 24px;
  margin:32px 0;
  font-family:var(--serif);
  font-size:22px;
  background:#fff
}
.side-card {
  padding:20px;
  font-size:13px
}
.side-card h4 {
  margin-bottom:12px
}
.side-card .item {
  padding:10px 0;
  border-bottom:1px dashed var(--line)
}
.side-card .item:last-child {
  border:0
}
.side-card b {
  color:var(--red);
  display:block
}
.nav-chapter {
  display:flex;
  justify-content:space-between;
  padding:40px 0;
  border-top:1px solid var(--line);
  margin-top:40px
}
.related {
  padding:60px 40px
}
.photo-grid {
  grid-template-columns:repeat(3,1fr)
}
.photo-card {
  padding:16px
}
.photo-card .ph,.pin-card .ph,.avatar {
  background:var(--paper-2);
  border:1px solid var(--line)
}
.photo-card .ph {
  height:200px;
  margin-bottom:12px
}
.photo-card .ph img,
.pin-card .ph img,
.article-photo img {
  width:100%;
  height:100%;
  object-fit:cover
}
.related .photo-card .ph {
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.related .photo-card .ph img {
  object-fit:contain;
  background:var(--paper-2)
}
.cap {
  font-size:13px;
  color:var(--ink-2)
}
.map-layout {
  display:grid;
  grid-template-columns:300px 1fr;
  height:680px
}
.map-sidebar {
  background:#fff;
  border-right:1px solid var(--line);
  padding:24px;
  overflow-y:auto
}
.map-sidebar h3 {
  font-family:var(--serif);
  border-left:3px solid var(--red);
  padding-left:10px;
  margin-bottom:20px
}
.layer {
  display:flex;
  justify-content:space-between;
  padding:8px 0;
  font-size:13px
}
.yr {
  color:var(--ink-3)
}
.slider {
  margin:20px 0
}
.slider input {
  width:100%
}
.legend {
  font-size:12px;
  color:var(--ink-3);
  line-height:2
}
.map-canvas {
  position:relative;
  overflow:hidden
}
.pin {
  position:absolute;
  width:36px;
  height:36px;
  border-radius:50% 50% 50% 0;
  background:var(--red);
  transform:rotate(-45deg);
  box-shadow:0 4px 12px rgba(183,58,42,.4);
  cursor:pointer
}
.pin:after {
  content:"";
  position:absolute;
  width:12px;
  height:12px;
  background:#fff;
  border-radius:50%;
  left:12px;
  top:12px
}
.pin-card {
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  padding:16px;
  width:220px;
  box-shadow:0 10px 30px rgba(0,0,0,.1)
}
.pin-card .ph {
  height:120px;
  margin-bottom:10px
}
.pin-card h4 {
  font-size:14px
}
.pin-card p {
  font-size:12px;
  color:var(--ink-3)
}
.pin-card a {
  color:var(--red);
  font-size:12px
}
.people-filter {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:24px 0 32px
}
.people-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px
}
.person-card {
  padding:16px;
  transition:all .2s
}
.avatar {
  aspect-ratio:1;
  margin-bottom:14px
}
.avatar img {
  width:100%;
  height:100%;
  object-fit:cover;
  filter:grayscale(.35) sepia(.12)
}
.person-card h4 {
  font-size:18px;
  display:flex;
  justify-content:space-between
}
.life {
  font:11px var(--sans);
  color:var(--ink-3)
}
.role {
  font-size:13px;
  color:var(--ink-2);
  margin:6px 0
}
.walk-hero {
  padding:80px 0
}
.walk-hero h1 {
  font-family:var(--serif);
  font-size:48px
}
.walk-hero p {
  color:#aaa;
  letter-spacing:4px
}
.walk-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  padding:60px 40px
}
.route-card {
  padding:20px;
  margin-bottom:16px;
  position:relative;
  cursor:pointer;
  transition:all .2s
}
.route-card.active {
  border-color:var(--red)
}
.route-card .num {
  position:absolute;
  top:0;
  right:0;
  background:var(--paper-2);
  width:36px;
  height:36px;
  text-align:center;
  padding-top:4px
}
.route-card.active .num {
  background:var(--red);
  color:#fff
}
.route-card .meta {
  display:flex;
  gap:12px;
  margin:12px 0
}
.walk-map {
  border:1px solid var(--line);
  min-height:560px;
  position:relative
}
.walk-map img {
  width:100%;
  height:100%;
  min-height:560px;
  object-fit:cover;
  filter:saturate(.7) sepia(.12)
}
.archive-toolbar {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  margin-bottom:32px;
  gap:16px
}
.archive-toolbar input {
  padding:10px 16px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:6px;
  width:320px
}
.sorts {
  display:flex;
  gap:16px;
  font-size:13px;
  color:var(--ink-3)
}
.archive-progress {
  text-align:center;
  padding:40px;
  color:var(--ink-3)
}
.archive-progress .bar {
  width:200px;
  height:2px;
  background:var(--line);
  margin:16px auto
}
.archive-progress .bar:after {
  content:"";
  display:block;
  width:30%;
  height:100%;
  background:var(--red)
}
.about {
  max-width:720px;
  margin:0 auto;
  padding:80px 40px;
  text-align:center
}
.about h1 {
  font-family:var(--serif);
  font-size:48px
}
.about .rule {
  width:60px;
  height:3px;
  background:var(--red);
  margin:0 auto 40px
}
.about p {
  color:var(--ink-2);
  margin-bottom:20px;
  text-align:left
}
.about h3 {
  text-align:left;
  margin:40px 0 16px
}
.source-list {
  text-align:left
}
.source-list li {
  list-style:none;
  background:#fff;
  border:1px solid var(--line);
  padding:14px 18px;
  margin-bottom:8px;
  font-size:14px;
  color:var(--ink-2)
}
.contact-card {
  background:#fff;
  border:1px solid var(--line);
  padding:24px;
  text-align:left
}
.drawer {
  position:fixed;
  inset:0;
  background:var(--paper);
  z-index:200;
  display:none;
  flex-direction:column;
  padding:40px
}
.drawer.open {
  display:flex
}
.drawer a {
  font-family:var(--serif);
  font-size:28px;
  padding:12px 0;
  border-bottom:1px solid var(--line)
}
.drawer .close {
  position:absolute;
  top:24px;
  right:24px;
  font-size:28px
}
@media(max-width:1024px) {
  .nav-links {
  display:none
}
.hamburger {
  display:block
}
.hero-grid {
  grid-template-columns:1fr;
  gap:40px
}
.hero h1 {
  font-size:42px
}
.chapter-grid,.people-grid {
  grid-template-columns:1fr 1fr
}
.article-wrap {
  grid-template-columns:1fr
}
.map-layout {
  grid-template-columns:1fr;
  height:auto
}
.map-canvas {
  height:600px
}
.walk-layout {
  grid-template-columns:1fr
}
.photo-grid {
  grid-template-columns:1fr 1fr
}

}
@media(max-width:640px) {
  .nav {
  padding:0 20px
}
.nav .btn {
  display:none
}
.hero h1 {
  font-size:32px
}
.chapter-grid,.people-grid,.photo-grid {
  grid-template-columns:1fr
}
.container,.article-wrap,.chapters,.related,.walk-layout {
  padding-left:20px;
  padding-right:20px
}
.hero-stats {
  gap:10px
}
.hero-stats span {
  padding-right:10px
}
.timeline-hero h1 {
  font-size:34px
}
.timeline-hero .stats {
  flex-wrap:wrap;
  justify-content:center
}
.archive-toolbar {
  align-items:stretch;
  flex-direction:column
}
.archive-toolbar input {
  width:100%
}
.sorts {
  flex-wrap:wrap
}

}