/* 2026 十一 · 五选一 — design tokens & layout */

:root {
  --bg: #f7f5f2;
  --surface: #ffffff;
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --accent: #0f766e;
  --accent-shanxi: #b45309;
  --accent-wuhan: #0f766e;
  --accent-fujian: #0369a1;
  --accent-chengyu: #c2410c;
  --accent-jiangxi: #166534;
  --accent-korea: #be123c;
  --accent-yunnan: #15803d;
  --accent-yunnan-dali: #0e7490;
  --accent-yunnan-tengchong: #a16207;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(28, 25, 23, 0.08);
  --font-display: "Fraunces", "Songti SC", "Noto Serif SC", serif;
  --font-body: "DM Sans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --space: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1080px;
}

body[data-theme="shanxi"] { --accent: var(--accent-shanxi); }
body[data-theme="wuhan"] { --accent: var(--accent-wuhan); }
body[data-theme="fujian"] { --accent: var(--accent-fujian); }
body[data-theme="chengyu"] { --accent: var(--accent-chengyu); }
body[data-theme="jiangxi"] { --accent: var(--accent-jiangxi); }
body[data-theme="korea"] { --accent: var(--accent-korea); }
body[data-theme="yunnan"] { --accent: var(--accent-yunnan); }
body[data-theme="yunnan-dali"] { --accent: var(--accent-yunnan-dali); }
body[data-theme="yunnan-tengchong"] { --accent: var(--accent-yunnan-tengchong); }

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 7vw, 3.6rem); margin: 0 0 0.6rem; }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 1rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }

p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.2rem; }
li + li { margin-top: 0.35rem; }

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: calc(var(--space) * 1.6) 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.muted { color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 40rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 245, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 3.5rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 0.15rem 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin-left: auto;
  padding: 0.5rem 0;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.btn:hover {
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Home hero — full bleed image, text below (no overlays) */
.home-hero {
  padding: 0;
}

.home-hero__media {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: min(68vh, 620px);
  overflow: hidden;
  background: #ddd;
}

.home-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-hero__copy {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: var(--space) 0 calc(var(--space) * 1.4);
}

.home-hero__copy .display {
  font-size: clamp(2.4rem, 8vw, 4rem);
}

/* Verdict */
.verdict {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}

.verdict strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
}

/* Tables */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--surface);
}

.score-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 640px;
}

.score-table th,
.score-table td {
  padding: 0.75rem 0.9rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.score-table th:first-child,
.score-table td:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  background: var(--surface);
  font-weight: 600;
  z-index: 1;
  box-shadow: 4px 0 8px -6px rgba(0, 0, 0, 0.15);
}

.score-table thead th {
  background: #fafaf9;
  font-weight: 600;
  font-size: 0.8rem;
}

.score-table tbody tr:last-child td {
  border-bottom: 0;
  font-weight: 700;
  background: #fafaf9;
}

.score-table .best {
  color: var(--accent);
  font-weight: 700;
}

.weight-note {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
}

/* Fit cards / destination cards */
.fit-grid,
.dest-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .fit-grid { grid-template-columns: 1fr 1fr; }
  .dest-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .dest-grid { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
}

.fit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.25rem;
  border-top: 3px solid var(--card-accent, var(--accent));
}

.fit-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.fit-card p:last-child { margin-bottom: 0; }

.dest-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.dest-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
}

.dest-card__bar {
  height: 4px;
  background: var(--card-accent, var(--accent));
}

.dest-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #ddd;
}

.dest-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.dest-card:hover .dest-card__media img {
  transform: scale(1.04);
}

.dest-card__body {
  padding: 1rem 1.1rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dest-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.35rem;
}

.dest-card__tag {
  display: inline-block;
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--card-accent, var(--accent));
}

/* Timeline */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 1.5rem 1.5rem;
  margin: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline time {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

/* Page hero (detail) */
.page-hero {
  padding: 0;
}

.page-hero__media {
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: min(56vh, 520px);
  overflow: hidden;
  background: #ddd;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__copy {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 1.5rem 0 0.5rem;
}

.accent-bar {
  display: block;
  width: 3rem;
  height: 4px;
  background: var(--accent);
  margin-bottom: 1rem;
}

.page-hero__copy .display {
  font-size: clamp(2.4rem, 8vw, 3.8rem);
}

/* TOC */
.toc {
  position: sticky;
  top: 3.5rem;
  z-index: 30;
  background: rgba(247, 245, 242, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.5rem;
}

.toc__inner {
  display: flex;
  gap: 0.25rem 1.1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: 0.7rem 0;
}

.toc__inner::-webkit-scrollbar { display: none; }

.toc a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  padding-bottom: 0.15rem;
  border-bottom: 2px solid transparent;
}

.toc a.is-active,
.toc a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* Highlight mosaic */
.mosaic {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .mosaic { grid-template-columns: repeat(3, 1fr); }
}

.mosaic-card {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.mosaic-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.mosaic-card__body {
  padding: 1rem 1.1rem 1.2rem;
}

.mosaic-card__body p:last-child { margin-bottom: 0; }

/* Day cards / itinerary */
.itinerary-desktop { display: none; }
.itinerary-mobile { display: grid; gap: 0.75rem; }

@media (min-width: 800px) {
  .itinerary-desktop { display: block; }
  .itinerary-mobile { display: none; }
}

.day-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
}

.day-card__date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.day-card dl {
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.day-card dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.day-card dd {
  margin: 0.15rem 0 0;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.schedule-table th,
.schedule-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.schedule-table thead th {
  background: #fafaf9;
  font-size: 0.8rem;
}

.schedule-table tbody tr:last-child td { border-bottom: 0; }

/* Day detail blocks */
.day-block {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.day-block:last-child { border-bottom: 0; }

.day-block h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--accent);
}

/* Food grid */
.food-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

@media (min-width: 720px) {
  .food-grid { grid-template-columns: repeat(3, 1fr); }
}

.food-card {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.food-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.food-card figcaption {
  padding: 0.7rem 0.85rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Callout / tips */
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}

.callout h3 { margin-top: 0; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}

.panel h3 { margin-top: 0; }

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 1rem 0 1.5rem;
}

.site-footer__links a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.site-footer__links a:hover {
  color: var(--accent);
}

/* Day route maps (Leaflet) */
.day-map {
  height: 300px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 0.75rem;
  background: #e8e4df;
}

@media (min-width: 800px) {
  .day-map { height: 340px; }
}

.map-pin {
  background: none;
  border: none;
}

.map-pin span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font: 700 13px/1 var(--font-body);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.map-pin--opt span {
  background: #9ca3af;
}

.map-caption {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.4rem 0 0;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .dest-card,
  .dest-card__media img,
  .btn {
    transition: none;
  }
}