:root {
  --paper: #f2f7f3;
  --paper-deep: #e2ece5;
  --ink: #173a2c;
  --ink-soft: #607268;
  --green: #2f7a55;
  --green-deep: #185b3b;
  --moss: #6f927b;
  --river: #73a9a0;
  --line: rgba(23, 58, 44, 0.14);
  --line-strong: rgba(23, 58, 44, 0.32);
  --white: #fbfefc;
  --shadow: 0 28px 70px rgba(20, 66, 45, 0.12);
  --display: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 8% 0%, rgba(132, 193, 151, 0.16), transparent 30rem),
    linear-gradient(180deg, #f8fbf8 0%, var(--paper) 36%, #edf4ef 100%);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body::before {
  display: none;
}

::selection {
  color: var(--white);
  background: var(--green);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(47, 122, 85, 0.35);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 9px 14px;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 68px;
  padding: 0 30px;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 251, 248, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  width: max-content;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.08em;
}

.brand-mark {
  padding: 4px 9px;
  border: 0;
  border-radius: 999px;
  color: var(--green-deep);
  background: var(--paper-deep);
  font-family: var(--sans);
  font-size: 11px;
}

.top-nav {
  display: flex;
  gap: 30px;
  font-size: 13px;
}

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

.text-button {
  justify-self: end;
  padding: 4px 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.68fr);
  gap: clamp(60px, 9vw, 140px);
  align-items: center;
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: calc(100svh - 68px);
  padding-right: max(24px, calc((100vw - 1180px) / 2));
  padding-left: max(24px, calc((100vw - 1180px) / 2));
  padding-top: 86px;
  padding-bottom: 96px;
  color: #eef8f1;
  background:
    radial-gradient(circle at 82% 18%, rgba(120, 197, 151, 0.18), transparent 26rem),
    linear-gradient(125deg, #0c3326 0%, #164b37 58%, #0e3b2c 100%);
}

.hero.section-shell {
  width: 100%;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.21em;
}

.hero .eyebrow {
  color: #9ad8b0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 30px;
  font-family: var(--display);
  font-size: clamp(72px, 10vw, 148px);
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: -0.065em;
}

.hero-lead {
  max-width: 610px;
  margin-bottom: 34px;
  color: rgba(231, 245, 235, 0.72);
  font-family: var(--serif);
  font-size: clamp(17px, 1.65vw, 22px);
  line-height: 1.82;
}

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

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 21px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.primary-button {
  border-color: #a8dfba;
  background: #a8dfba;
  color: #123b2c;
}

.secondary-button {
  border-color: rgba(231, 245, 235, 0.42);
  background: transparent;
  color: #eef8f1;
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.secondary-button:hover {
  border-color: #eef8f1;
  background: #eef8f1;
  color: #123b2c;
}

.assumption-note {
  max-width: 630px;
  margin-bottom: 0;
  padding-left: 15px;
  border-left: 2px solid #86cda0;
  color: rgba(231, 245, 235, 0.64);
  font-size: 12px;
}

.hero-folio {
  position: relative;
  padding: 42px 38px 34px;
  overflow: hidden;
  border: 1px solid rgba(229, 245, 234, 0.22);
  border-top: 6px solid #9ad8b0;
  border-radius: 0 0 34px 0;
  box-shadow: none;
  background: rgba(229, 245, 234, 0.07);
  transform: none;
}

.hero-folio::before,
.hero-folio::after {
  display: none;
}

.hero-folio::before {
  top: 25px;
  left: 25px;
}

.hero-folio::after {
  right: 25px;
  bottom: 25px;
}

.folio-stamp {
  display: none;
}

.folio-stamp span {
  font-family: var(--serif);
  font-size: 30px;
}

.folio-stamp small {
  font-size: 9px;
  letter-spacing: 0.2em;
}

.trip-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0 0 44px;
}

.trip-stats div {
  min-height: 116px;
  padding: 18px 12px;
  border-right: 1px solid rgba(229, 245, 234, 0.16);
  border-bottom: 1px solid rgba(229, 245, 234, 0.16);
}

.trip-stats div:nth-child(2n) {
  border-right: 0;
}

.trip-stats div:nth-child(n + 3) {
  border-bottom: 0;
}

.trip-stats dt {
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.1;
}

.trip-stats dd {
  margin: 0;
  color: rgba(229, 245, 234, 0.58);
  font-size: 11px;
}

.folio-caption {
  margin: 0;
  color: rgba(229, 245, 234, 0.52);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.08em;
}

.route-section,
.rhythm-section,
.arrival-section {
  background: var(--ink);
  color: var(--paper);
}

.route-section {
  color: var(--ink);
  background: #e4efe7;
  padding: 116px 0 82px;
}

.section-heading {
  margin-bottom: 52px;
}

.section-heading h2 {
  max-width: 820px;
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5.2vw, 70px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.65fr);
  gap: 60px;
  align-items: end;
}

.split-heading > p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 15px;
}

.arrival-section .eyebrow {
  color: #88cfa4;
}

.route-section .eyebrow {
  color: var(--green-deep);
}

.arrival-section p {
  color: rgba(226, 241, 231, 0.64);
}

.route-section .split-heading > p {
  color: var(--ink-soft);
}

.route-map {
  overflow-x: auto;
  margin: 0;
  padding: 24px 28px 16px;
  border-radius: 28px;
  background: #103d2f;
  box-shadow: 0 30px 70px rgba(25, 74, 51, 0.14);
  scrollbar-color: var(--green) transparent;
}

.route-map svg {
  display: block;
  min-width: 900px;
  width: 100%;
  height: auto;
}

.map-river {
  fill: none;
  stroke: var(--river);
  stroke-width: 30;
  opacity: 0.15;
}

.route-underlay,
.route-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route-underlay {
  stroke: rgba(226, 241, 231, 0.12);
  stroke-width: 12;
}

.route-line {
  stroke: #6ed39a;
  stroke-width: 3;
  stroke-dasharray: 7 12;
  filter: url(#roughen);
  animation: road-flow 30s linear infinite;
}

@keyframes road-flow {
  to { stroke-dashoffset: -380; }
}

.map-point circle {
  fill: var(--ink);
  stroke: var(--paper);
  stroke-width: 2;
}

.map-point.start circle,
.map-point.finish circle,
.map-point.required circle {
  fill: var(--green);
  stroke: #b9e8c8;
}

.map-point text,
.river-label {
  fill: var(--paper);
  font-family: var(--serif);
  font-size: 15px;
}

.map-point.minor text {
  opacity: 0.64;
  font-size: 12px;
}

.river-label {
  fill: var(--river);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.8;
}

.province-label {
  fill: #9bcfaf;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.route-yuncheng,
.route-jincheng,
.variant-point {
  transition: opacity 220ms ease, stroke-width 220ms ease;
}

html[data-route="yuncheng"] .route-jincheng,
html[data-route="yuncheng"] .jincheng-point,
html[data-route="jincheng"] .route-yuncheng,
html[data-route="jincheng"] .yuncheng-point {
  opacity: 0.2;
}

html[data-route="yuncheng"] .route-yuncheng,
html[data-route="jincheng"] .route-jincheng {
  stroke-width: 4;
}

.route-principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.route-principles p {
  margin: 0;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}

.route-principles p:last-child {
  border-right: 0;
}

.route-principles span {
  display: block;
  margin-bottom: 6px;
  color: var(--green-deep);
  font-family: var(--serif);
  font-size: 20px;
}

.route-switcher {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(380px, 1.25fr) minmax(240px, 0.8fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  margin-top: 52px;
  padding: 34px 0 18px;
}

.switcher-intro .eyebrow {
  margin-bottom: 12px;
}

.switcher-intro h3 {
  margin-bottom: 13px;
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.18;
}

.switcher-intro > p:last-child,
.variant-verdict p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.variant-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.variant-button {
  position: relative;
  display: grid;
  min-height: 156px;
  padding: 22px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.38);
  cursor: pointer;
  text-align: left;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.variant-button:hover {
  transform: translateY(-2px);
  border-color: var(--green);
}

.variant-button span {
  align-self: start;
  color: var(--green-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.variant-button strong {
  align-self: end;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
}

.variant-button small {
  font-size: 10px;
}

.variant-button.active {
  border-color: var(--green-deep);
  color: #f4fbf6;
  background: var(--green-deep);
  box-shadow: inset 0 -3px 0 #9bd8b0;
}

.variant-button.active span {
  color: #a8dfba;
}

.variant-button.active::after {
  content: "已选择";
  position: absolute;
  top: 18px;
  right: 18px;
  color: rgba(235, 248, 239, 0.68);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.variant-verdict {
  padding: 19px 0 0 20px;
  border-top: 1px solid var(--line-strong);
  border-left: 2px solid var(--green);
}

.variant-verdict strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
}

.culture-comparison {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(520px, 1.28fr);
  gap: clamp(36px, 7vw, 100px);
  align-items: start;
  margin-top: 56px;
  padding: 52px 0 34px;
  border-top: 1px solid var(--line);
}

.comparison-lead .eyebrow {
  margin-bottom: 13px;
}

.comparison-lead h3 {
  margin-bottom: 16px;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.comparison-lead > p:last-child {
  max-width: 420px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 14px;
}

.comparison-table {
  border-top: 1px solid var(--line-strong);
}

.comparison-row {
  display: grid;
  grid-template-columns: 96px 1fr 1fr;
  gap: 22px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.comparison-row > span {
  color: var(--green-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.comparison-row p,
.comparison-row strong {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 400;
}

.comparison-head strong {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
}

.comparison-head strong:first-of-type {
  color: var(--green-deep);
}

.planner-section {
  padding-top: 124px;
  padding-bottom: 136px;
}

.date-tool {
  display: grid;
  grid-template-columns: 220px minmax(220px, auto) 1fr;
  gap: 28px;
  align-items: end;
  margin-bottom: 54px;
  padding: 26px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.date-field {
  display: grid;
  gap: 7px;
}

.date-field label {
  color: var(--ink-soft);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.date-field input {
  min-height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--ink);
  background: rgba(251, 254, 252, 0.5);
}

.date-result {
  font-family: var(--serif);
  font-size: 18px;
}

.date-result .ok {
  color: var(--moss);
}

.date-result .warn {
  color: var(--green-deep);
}

.date-tool > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.itinerary-list {
  counter-reset: day;
  border-top: 1px solid var(--line-strong);
}

.day-card {
  position: relative;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  border-bottom: 1px solid var(--line-strong);
}

.day-index {
  padding: 28px 18px 28px 0;
  border-right: 1px solid var(--line);
}

.day-index strong {
  display: block;
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 400;
  line-height: 1;
}

.day-index span {
  display: block;
  margin-top: 9px;
  color: var(--ink-soft);
  font-size: 11px;
}

.day-content {
  min-width: 0;
  padding: 25px 0 25px 30px;
}

.day-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(230px, 0.8fr) 38px;
  gap: 30px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.day-summary::-webkit-details-marker {
  display: none;
}

.day-summary h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  line-height: 1.2;
}

.day-summary p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.day-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
}

.day-meta span {
  display: block;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.day-meta strong {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
}

.expand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.expand-mark::before,
.expand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.expand-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

details[open] .expand-mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.closed-warning {
  display: inline-flex;
  margin-top: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(47, 122, 85, 0.45);
  color: var(--green-deep);
  font-size: 10px;
}

.day-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(230px, 0.84fr);
  gap: 54px;
  margin-top: 28px;
  padding: 30px 0 15px;
  border-top: 1px dashed var(--line-strong);
}

.day-story {
  max-width: 660px;
}

.day-story > p {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
}

.must-see {
  margin: 22px 0;
  padding: 15px 18px;
  border-left: 3px solid var(--green);
  background: rgba(47, 122, 85, 0.055);
}

.must-see span {
  display: block;
  color: var(--green-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.must-see p {
  margin: 4px 0 0;
  font-size: 13px;
}

.day-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 12px;
}

.day-schedule {
  margin: 0;
  padding: 0;
  list-style: none;
}

.day-schedule li {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.day-schedule time {
  color: var(--green-deep);
  font-family: var(--serif);
}

.fallback {
  margin: 18px 0 0;
  padding: 12px 14px;
  background: rgba(70, 125, 90, 0.08);
  color: var(--moss);
  font-size: 11px;
}

.rhythm-section {
  padding: 122px 0;
}

.rhythm-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(460px, 1.22fr);
  gap: 10vw;
  align-items: start;
}

.rhythm-section .section-heading {
  position: sticky;
  top: 110px;
}

.rhythm-section .eyebrow {
  color: #88cfa4;
}

.clock-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(226, 241, 231, 0.26);
}

.clock-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(226, 241, 231, 0.26);
}

.clock-list time {
  color: #88cfa4;
  font-family: var(--serif);
  font-size: 28px;
}

.clock-list strong,
.clock-list span {
  display: block;
}

.clock-list strong {
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
}

.clock-list span {
  color: rgba(226, 241, 231, 0.58);
  font-size: 12px;
}

.clock-list .highlight {
  position: relative;
}

.clock-list .highlight::before {
  content: "避暑核心";
  position: absolute;
  top: 18px;
  right: 0;
  padding: 3px 8px;
  border: 1px solid #88cfa4;
  color: #88cfa4;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.practical-section {
  padding-top: 124px;
  padding-bottom: 130px;
}

.practical-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.note-panel {
  padding: 36px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.panel-kicker {
  margin-bottom: 11px;
  color: var(--green-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.note-panel h3,
.budget-tool h3 {
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
}

.stay-list,
.check-list,
.booking-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.stay-list li {
  display: grid;
  grid-template-columns: 42px minmax(170px, 0.9fr) minmax(190px, 1.1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.stay-list li:last-child {
  border-bottom: 0;
}

.stay-list span {
  color: var(--green-deep);
  font-family: var(--serif);
  font-size: 13px;
}

.stay-list strong {
  font-size: 12px;
}

.stay-list small {
  color: var(--ink-soft);
  font-size: 11px;
}

.check-list li {
  position: relative;
  padding: 9px 0 9px 23px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.check-list li::before {
  content: "□";
  position: absolute;
  left: 0;
  color: var(--green-deep);
}

.heat-rule {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.heat-rule span {
  color: var(--green-deep);
  font-family: var(--serif);
  font-size: 14px;
}

.route-specific-note {
  margin: 24px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--green);
  color: var(--ink-soft);
  background: rgba(47, 122, 85, 0.055);
  font-size: 11px;
}

.route-specific-note strong {
  color: var(--green-deep);
}

.heat-rule p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.booking-list {
  counter-reset: booking;
}

.booking-list li {
  counter-increment: booking;
  display: grid;
  grid-template-columns: 1fr;
  padding: 12px 0 12px 36px;
  border-top: 1px solid var(--line);
}

.booking-list li::before {
  content: counter(booking, decimal-leading-zero);
  position: absolute;
  margin-left: -36px;
  color: var(--green-deep);
  font-family: var(--serif);
}

.booking-list strong {
  font-size: 12px;
}

.booking-list span,
.muted {
  color: var(--ink-soft);
  font-size: 11px;
}

.muted {
  margin: 20px 0 0;
}

.budget-tool {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr 0.75fr;
  gap: 44px;
  align-items: center;
  margin-top: 70px;
  padding: 38px;
  border: 1px solid var(--line-strong);
  background: rgba(251, 254, 252, 0.36);
}

.budget-tool h3 {
  margin-bottom: 10px;
}

.budget-tool p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.budget-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.budget-fields label {
  position: relative;
  display: grid;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 10px;
}

.budget-fields input {
  width: 100%;
  min-height: 43px;
  padding: 0 31px 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper);
}

.budget-fields label span {
  position: absolute;
  right: 8px;
  bottom: 11px;
  color: var(--ink-soft);
  font-size: 9px;
}

.budget-result {
  text-align: right;
}

.budget-result span,
.budget-result strong,
.budget-result small {
  display: block;
}

.budget-result span,
.budget-result small {
  color: var(--ink-soft);
  font-size: 10px;
}

.budget-result strong {
  margin: 6px 0;
  color: var(--green-deep);
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
}

.arrival-section {
  padding: 118px 0;
}

.arrival-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(480px, 1.15fr);
  gap: 10vw;
}

.arrival-section h2 {
  max-width: 530px;
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.arrival-section p {
  max-width: 530px;
  font-family: var(--serif);
}

.extension-days {
  border-top: 1px solid rgba(226, 241, 231, 0.3);
}

.extension-days article {
  padding: 30px 0 34px;
  border-bottom: 1px solid rgba(226, 241, 231, 0.3);
}

.extension-days span {
  color: #88cfa4;
  font-size: 10px;
  letter-spacing: 0.16em;
}

.extension-days h3 {
  margin: 8px 0 10px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
}

.extension-days p {
  margin-bottom: 14px;
  color: rgba(226, 241, 231, 0.6);
  font-family: var(--sans);
  font-size: 12px;
}

.extension-days a {
  color: var(--paper);
  font-size: 11px;
}

.sources-section {
  padding-top: 68px;
  padding-bottom: 82px;
}

.sources-section details {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.sources-section summary {
  padding: 25px 0;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 18px;
}

.sources-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 5px 0 32px;
}

.sources-content h3 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
}

.sources-content p,
.source-links {
  color: var(--ink-soft);
  font-size: 11px;
}

.source-links {
  margin: 0;
  padding-left: 18px;
  columns: 2;
  column-gap: 24px;
}

.source-links li {
  margin-bottom: 8px;
  break-inside: avoid;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  padding: 32px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--line-strong);
}

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

.site-footer strong {
  font-family: var(--serif);
  font-size: 14px;
}

.site-footer span {
  color: var(--ink-soft);
  font-size: 10px;
}

.footer-actions {
  display: flex;
  gap: 22px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  max-width: calc(100vw - 44px);
  padding: 12px 17px;
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
  font-size: 12px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .top-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 80px;
    padding-top: 90px;
  }

  .hero-folio {
    width: min(480px, 100%);
    justify-self: end;
  }

  .split-heading,
  .rhythm-grid,
  .arrival-grid,
  .budget-tool {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-heading > p {
    max-width: 560px;
  }

  .route-principles {
    grid-template-columns: 1fr 1fr;
  }

  .route-switcher {
    grid-template-columns: 1fr 1.4fr;
  }

  .culture-comparison {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .variant-verdict {
    grid-column: 1 / -1;
  }

  .route-principles p:nth-child(2) {
    border-right: 0;
  }

  .route-principles p:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .date-tool {
    grid-template-columns: 1fr 1fr;
  }

  .date-tool > p {
    grid-column: 1 / -1;
  }

  .day-summary {
    grid-template-columns: 1fr 38px;
  }

  .day-meta {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .expand-mark {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .day-detail {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .rhythm-section .section-heading {
    position: static;
  }

  .practical-grid {
    grid-template-columns: 1fr;
  }

  .budget-fields {
    max-width: 580px;
  }

  .budget-result {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .section-shell {
    width: min(100% - 30px, 1180px);
  }

  .site-header {
    min-height: 58px;
  }

  .brand span:last-child,
  .site-header > .text-button {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 74px;
    padding-bottom: 82px;
  }

  h1 {
    font-size: clamp(66px, 24vw, 104px);
  }

  .hero-folio {
    padding: 38px 22px 26px;
  }

  .trip-stats div {
    min-height: 98px;
  }

  .trip-stats dt {
    font-size: 23px;
  }

  .route-section,
  .rhythm-section,
  .arrival-section {
    padding: 84px 0;
  }

  .route-map {
    margin-right: 0;
    margin-left: 0;
    padding: 16px 18px 10px;
    border-radius: 18px;
  }

  .planner-section,
  .practical-section {
    padding-top: 86px;
    padding-bottom: 90px;
  }

  .route-principles {
    grid-template-columns: 1fr;
  }

  .route-switcher {
    grid-template-columns: 1fr;
    margin-top: 34px;
    padding-top: 16px;
  }

  .culture-comparison {
    margin-top: 38px;
    padding-top: 38px;
  }

  .comparison-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
  }

  .comparison-row > span {
    grid-column: 1 / -1;
  }

  .variant-options {
    grid-template-columns: 1fr;
  }

  .variant-button {
    min-height: 124px;
  }

  .variant-verdict {
    grid-column: auto;
  }

  .route-principles p {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .route-principles p:last-child {
    border-bottom: 0;
  }

  .date-tool {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .date-tool > p {
    grid-column: auto;
  }

  .day-card {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .day-index {
    padding: 25px 10px 25px 0;
  }

  .day-index strong {
    font-size: 26px;
  }

  .day-index span {
    writing-mode: vertical-rl;
    margin: 12px auto 0;
    font-size: 9px;
  }

  .day-content {
    padding: 22px 0 22px 17px;
  }

  .day-summary {
    gap: 18px;
  }

  .day-summary h3 {
    font-size: 23px;
  }

  .day-meta {
    grid-template-columns: 1fr 1fr;
  }

  .day-detail {
    margin-top: 22px;
    padding-top: 22px;
  }

  .day-schedule li {
    grid-template-columns: 72px 1fr;
  }

  .clock-list li {
    grid-template-columns: 76px 1fr;
    gap: 16px;
  }

  .clock-list time {
    font-size: 22px;
  }

  .practical-grid {
    border-left: 0;
  }

  .note-panel {
    padding: 30px 0;
    border-right: 0;
  }

  .stay-list li {
    grid-template-columns: 36px 1fr;
  }

  .stay-list small {
    grid-column: 2;
  }

  .budget-tool {
    margin-top: 50px;
    padding: 28px 20px;
  }

  .budget-fields {
    grid-template-columns: 1fr;
  }

  .sources-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .source-links {
    columns: 1;
  }

  .site-footer {
    display: block;
  }

  .footer-actions {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    --paper: #fff;
    --ink: #111;
    --ink-soft: #444;
  }

  body::before,
  .site-header,
  .hero-actions,
  .date-tool,
  .budget-tool,
  .site-footer,
  .toast {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 32px 0 40px;
  }

  h1 { font-size: 68px; }

  .route-section,
  .rhythm-section,
  .arrival-section {
    background: #fff;
    color: #111;
  }

  .route-section p,
  .arrival-section p,
  .clock-list span {
    color: #444 !important;
  }

  .route-map,
  .route-principles,
  .route-switcher,
  .culture-comparison {
    display: none;
  }

  .planner-section,
  .practical-section,
  .rhythm-section,
  .arrival-section {
    padding: 40px 0;
  }

  .day-card,
  .note-panel,
  .extension-days article {
    break-inside: avoid;
  }

  .day-card details:not([open]) .day-detail {
    display: grid;
  }

  .expand-mark { display: none; }
}