/* 字体声明由独立的 fonts.<哈希>.css 提供，按文字范围加载 WOFF2 分片。 */
/* 第二版公共视觉：雾蓝紫 #626e9c、纯白与浅灰紫 #f6f7fa；使用实际色值。 */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: #ffffff;
  color: #303644;
  font-family:
    'Shanhai Sans TC', 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
/* 首页有固定侧栏时，主内容与页脚整体右移，避免被遮挡 */
body.has-side {
  margin-left: 88px;
}
body.menu-open,
body.filters-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
img,
svg {
  display: block;
  max-width: 100%;
}
button svg,
a svg {
  flex-shrink: 0;
}
button {
  color: inherit;
}
:focus-visible {
  outline: 2px solid #626e9c;
  outline-offset: 4px;
}
/* 表单控件保留自身边框，只用 outline 表示焦点，避免 focus 前后样式撕裂 */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline-offset: 2px;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[role='button']:focus-visible {
  border: none;
}
[hidden] {
  display: none !important;
}
.container {
  width: min(1320px, calc(100% - 96px));
  margin-inline: auto;
}
.icon {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -70px;
  z-index: 200;
  background: white;
  padding: 12px;
}
.skip-link:focus {
  top: 12px;
}
.eyebrow {
  display: block;
  color: #626e9c;
  font-size: 15px;
  letter-spacing: 0.18em;
  font-weight: 600;
  margin-bottom: 10px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
.serif {
  font-family: inherit;
  font-weight: 750;
  text-wrap: balance;
}
h1 {
  font-size: clamp(34px, 4.2vw, 60px);
  line-height: 1.3;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
h3 {
  font-size: 23px;
  line-height: 1.55;
  margin-bottom: 8px;
}
.muted {
  color: #606c83;
}
.section {
  padding-block: 60px;
}
.section-tint {
  background: #f6f7fa;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 30px;
}
.section-head p {
  color: #606c83;
  margin-bottom: 0;
  max-width: 650px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
}
.text-link:hover {
  color: #626e9c;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid #626e9c;
  border-radius: 4px;
  background: #626e9c;
  color: white;
  font-weight: 600;
  font-size: 17px;
  transition:
    background 0.18s,
    transform 0.18s;
}
.button:hover {
  background: #485783;
  border-color: #485783;
}
.button-green {
  background: #626e9c;
  border-color: #626e9c;
}
.button-green:hover {
  background: #485783;
  border-color: #485783;
}
.button-outline {
  background: transparent;
  color: #626e9c;
  border-color: #d3d8e5;
}
.button-outline:hover {
  background: #eff1f8;
  border-color: #8793b1;
}
.button-block {
  width: 100%;
}
.icon-button {
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border-radius: 5px;
}
.icon-button:hover {
  background: #f0f1f7;
}
.v-back-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 46;
  background: #637099;
  color: white;
  border-radius: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.3s,
    transform 0.3s,
    visibility 0.3s;
}
.v-back-top .icon {
  transform: rotate(-90deg);
}
.v-back-top:hover {
  background: #455278;
}
.v-scrolled .v-back-top {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.utility-bar {
  height: 30px;
  background: #f0f1f7;
  color: #606c83;
  font-size: 14px;
}
.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 10px;
}
.utility-inner span {
  display: flex;
  gap: 18px;
}
.site-header {
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid #e4e7ee;
  overflow: visible;
}
.header-inner {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-symbol {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  color: #626e9c;
}
.brand-name {
  font-weight: 800;
  font-size: 27px;
  letter-spacing: 0.07em;
  line-height: 1.1;
}
.brand small {
  display: block;
  margin-top: 7px;
  font-size: 11px;
  letter-spacing: 0.21em;
  color: #606c83;
  font-weight: 500;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100%;
}
/* 不要给 details 设 display:flex，部分浏览器会导致 open 后子菜单不显示 */
.nav-item {
  height: 100%;
  position: static;
}
.nav-item summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 600;
  padding-block: 26px;
  height: 100%;
  box-sizing: border-box;
}
summary::-webkit-details-marker {
  display: none;
}
.nav-item summary .icon {
  width: 12px;
  height: 12px;
}
.nav-item[open] summary,
.nav-item.is-open summary,
.nav-item.is-current summary {
  color: #626e9c;
}
.mega-menu {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 88px;
  z-index: 60;
  background: #ffffff;
  border-block: 1px solid #dfe3ed;
  box-shadow: 0 15px 25px #30364414;
  padding: 30px 0;
}
.nav-item[open] > .mega-menu,
.nav-item.is-open > .mega-menu {
  display: block;
}
.mega-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 38px;
}
.mega-inner a {
  display: block;
  padding: 7px 0;
  font-size: 17px;
}
.mega-inner a:hover {
  color: #626e9c;
}
.mega-inner h3 {
  font-size: 16px;
  color: #606c83;
  font-weight: normal;
}
.mega-note {
  padding: 22px;
  background: #f0f1f7;
  border-radius: 5px;
}
.mega-note p {
  color: #606c83;
  font-size: 16px;
  margin-bottom: 5px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-plan {
  min-height: 42px;
  padding: 8px 18px;
}
.menu-toggle {
  display: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: #606c83;
  font-size: 15px;
  padding-top: 22px;
  margin-bottom: 18px;
}
.breadcrumb a:hover {
  color: #626e9c;
}
/* 末级当前页（与 H1 重复时，移动端可藏） */
.breadcrumb__current {
  min-width: 0;
}
.scene {
  aspect-ratio: 4 / 3;
  background-image: url('../images/destinations.webp');
  background-size: 400% 200%;
  background-repeat: no-repeat;
  background-color: #e4e7ef;
}
.scene-0 {
  background-position: 0 0;
}
.scene-1 {
  background-position: 33.333333% 0;
}
.scene-2 {
  background-position: 66.666667% 0;
}
.scene-3 {
  background-position: 100% 0;
}
.scene-4 {
  background-position: 0 100%;
}
.scene-5 {
  background-position: 33.333333% 100%;
}
.scene-6 {
  background-position: 66.666667% 100%;
}
.scene-7 {
  background-position: 100% 100%;
}
/* 新目的地与游轮使用独立照片，避免放大拼图小格。 */
.scene-8 {
  background-image: url('../images/hero-chongqing-compact.webp');
  background-size: cover;
  background-position: center;
}
.scene-9 {
  background-image: url('../images/three-gorges-cruise.webp');
  background-size: cover;
  background-position: center;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.tour-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #dfe3ed;
  transition: box-shadow 0.2s;
}
.tour-card:hover {
  box-shadow: 0 10px 24px #30364420;
}
.card-media {
  position: relative;
  overflow: hidden;
}
.card-media > a {
  display: block;
}
.card-media .scene {
  transition: transform 0.4s;
}
.tour-card:hover .scene {
  transform: scale(1.025);
}
.badge {
  position: absolute;
  top: 15px;
  left: 15px;
  font-size: 14px;
  line-height: 1.6;
  padding: 5px 10px;
  border-radius: 3px;
  background: #ffffffee;
  color: #303644;
}
.save-button {
  position: absolute;
  right: 12px;
  top: 12px;
  border-radius: 50%;
  background: #ffffffec;
}
.save-button[aria-pressed='true'] {
  color: #626e9c;
}
.save-button[aria-pressed='true'] svg {
  fill: #626e9c28;
}
.tour-card-body {
  padding: 21px 22px 19px;
}
.card-kicker {
  font-size: 14px;
  color: #606c83;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
}
.card-kicker .icon {
  width: 14px;
  height: 14px;
}
.tour-card h3 {
  font-size: 22px;
}
.tour-card .route {
  font-size: 15px;
  color: #606c83;
  margin-bottom: 16px;
}
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid #f0f1f7;
}
.price {
  font-size: 23px;
  color: #52618b;
  font-weight: 600;
}
.price small {
  color: #606c83;
  font-weight: normal;
  font-size: 14px;
}
.destination-card {
  display: block;
  overflow: hidden;
  border-radius: 7px;
  position: relative;
}
.destination-card .scene {
  transition: transform 0.4s;
}
.destination-card:hover .scene {
  transform: scale(1.025);
}
.destination-caption {
  position: absolute;
  inset: 30% 0 0;
  background: linear-gradient(transparent, #242a3cdb);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 23px;
}
.destination-caption h3 {
  font-family: inherit;
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 3px;
}
.destination-caption p {
  font-size: 14px;
  opacity: 0.8;
  margin: 0;
}
.destination-caption .icon {
  position: absolute;
  right: 20px;
  bottom: 29px;
}
.article-card {
  display: block;
}
.article-card .scene {
  border-radius: 7px;
  margin-bottom: 18px;
}
.article-card span {
  font-size: 14px;
  color: #626e9c;
}
.article-card h3 {
  margin-top: 6px;
  font-size: 23px;
}
.article-card p {
  font-size: 16px;
  color: #606c83;
}
.cta {
  background: #f0f1f7;
  padding: 45px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.cta h2 {
  font-size: 34px;
  margin: 0 0 7px;
}
.cta p {
  color: #606c83;
  margin: 0;
  font-size: 17px;
}
.faq-list {
  border-top: 1px solid #dfe3ed;
}
.faq-list details {
  border-bottom: 1px solid #dfe3ed;
}
.faq-list summary {
  display: flex;
  justify-content: space-between;
  padding: 21px 0;
  cursor: pointer;
  list-style: none;
  gap: 20px;
  font-size: 18px;
}
.faq-list summary::after {
  content: '+';
  font-size: 24px;
  font-weight: normal;
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details p {
  color: #606c83;
  padding: 0 25px 15px 0;
  font-size: 17px;
}
.site-footer {
  background: #192830;
  color: #eef0f7;
  padding: 57px 0 23px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
.site-footer .brand-name {
  color: #ffffff;
}
.site-footer .brand small {
  color: #cbd1e0;
}
.site-footer .brand-symbol {
  color: #ffffff;
}
.footer-intro {
  font-size: 15px;
  line-height: 2;
  max-width: 270px;
  margin-top: 23px;
  color: #cbd1e0;
}
.footer-grid h3 {
  font-size: 16px;
  font-weight: normal;
  margin-bottom: 13px;
}
.footer-grid a:not(.brand) {
  display: block;
  font-size: 15px;
  color: #cbd1e0;
  padding-block: 5px;
}
.footer-grid a:hover {
  color: white;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  flex-wrap: wrap;
  border-top: 1px solid #ffffff18;
  padding-top: 22px;
  margin-top: 42px;
  font-size: 13px;
  color: #b3bdd1;
}
.mobile-bottom {
  display: none;
}
.dialog {
  border: 0;
  border-radius: 12px;
  padding: 0;
  color: #303644;
  background: #ffffff;
  width: min(720px, calc(100% - 32px));
  max-height: min(720px, 85dvh);
  box-shadow: 0 25px 60px #30364433;
}
#search-dialog {
  overflow: hidden;
}
.dialog::backdrop {
  background: #222c4799;
}
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 19px 24px;
  border-bottom: 1px solid #dfe3ed;
}
.dialog-head h2 {
  font-family: inherit;
  font-size: 22px;
  margin: 0;
}
.dialog-content {
  padding: 24px;
}
.search-input {
  width: 100%;
  min-height: 50px;
  border-radius: 5px;
  border: 1px solid #d3d8e5;
  background: white;
  padding: 12px;
}
.search-results {
  margin-top: 20px;
  max-height: 420px;
  overflow: auto;
}
.search-result {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #dfe3ed;
}
.search-result small {
  color: #606c83;
}
.search-result:hover {
  color: #626e9c;
}
.search-hint {
  font-size: 15px;
  color: #606c83;
}
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  padding: 12px 22px;
  border-radius: 5px;
  background: #303644;
  color: white;
  font-size: 16px;
  box-shadow: 0 7px 20px #30364422;
  max-width: calc(100% - 32px);
  text-align: center;
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  border: 1px dashed #b2bbd0;
  background: #f6f7fa;
  border-radius: 6px;
  grid-column: 1 / -1;
}
.empty-state-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}
.policy-copy {
  font-size: 15px;
  color: #606c83;
}
@media (max-width: 1050px) {
  body.has-side {
    margin-left: 0;
  }
  .container {
    width: calc(100% - 40px);
  }
  .utility-bar {
    display: none;
  }
  .header-inner {
    height: 70px;
  }
  .header-plan {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    position: fixed;
    inset: 70px 0 0;
    height: calc(100dvh - 70px);
    overflow-y: auto;
    background: #ffffff;
    padding: 15px 24px 110px;
  }
  .menu-open .main-nav {
    display: block;
  }
  .nav-item {
    height: auto;
    display: block;
    border-bottom: 1px solid #dfe3ed;
  }
  .nav-item summary {
    padding-block: 18px;
    justify-content: space-between;
    font-size: 18px;
  }
  .mega-menu {
    position: static;
    padding: 0 0 18px;
    border: 0;
    box-shadow: none;
  }
  .mega-inner {
    width: 100%;
    display: block;
  }
  .mega-inner > div {
    margin-top: 10px;
  }
  .mega-note {
    display: none;
  }
  .mega-inner a {
    min-height: 44px;
    padding-left: 10px;
  }
  .mega-inner h3 {
    margin: 15px 0 4px;
  }
  .brand-name {
    font-size: 24px;
  }
  .footer-grid {
    gap: 28px;
  }
  .v-back-top {
    bottom: 94px;
    right: 16px;
  }
  .mobile-bottom {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    padding: 8px 20px calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid #dfe3ed;
    background: #fffffff5;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(12px);
  }
  .mobile-bottom .button {
    flex: 1;
    min-height: 44px;
    padding: 8px 20px;
  }
  .mobile-bottom > button {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 0;
    border: 0;
    background: transparent;
    font-size: 13px;
    min-width: 54px;
    min-height: 44px;
  }
  body {
    padding-bottom: calc(69px + env(safe-area-inset-bottom));
  }
  body[data-page='plan'] .mobile-bottom {
    display: none;
  }
  body[data-page='plan'] {
    padding-bottom: 0;
  }
  .toast {
    bottom: 90px;
  }
}
@media (max-width: 700px) {
  .container {
    width: calc(100% - 36px);
  }
  .section {
    padding-block: 20px;
  }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
  }
  .section-head p {
    font-size: 16px;
  }
  .section-head .text-link {
    min-height: 32px;
    font-size: 15px;
  }
  .eyebrow {
    font-size: 13px;
  }
  .card-grid {
    grid-template-columns: 1fr;
    gap: 23px;
  }
  .tour-card-body {
    padding: 19px;
  }
  .cta {
    padding: 30px 24px;
    display: block;
  }
  .cta h2 {
    font-size: 30px;
  }
  .cta .button {
    margin-top: 24px;
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-intro {
    max-width: none;
  }
  .site-footer {
    padding-top: 39px;
  }
  .footer-bottom {
    margin-top: 28px;
  }
  .header-actions {
    gap: 0;
  }
  .brand-symbol {
    width: 41px;
    height: 41px;
  }
  .brand small {
    font-size: 11px;
  }
  .dialog-content {
    padding: 18px;
  }
  .dialog-head {
    padding: 15px 18px;
  }
  .search-result {
    font-size: 16px;
    align-items: flex-start;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}
/* 导览动态：移入展开、短暂离开容错、离开淡出。 */
.nav-item summary {
  position: relative;
}
.nav-item summary::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 15px;
  width: 0;
  height: 3px;
  background: #626e9c;
  transition: width 0.25s ease;
}
.nav-item[open] summary::after,
.nav-item.is-open summary::after,
.nav-item:hover summary::after,
.nav-item.is-current summary::after {
  width: 100%;
}
.nav-item summary .icon {
  transition: transform 0.25s ease;
}
.nav-item[open] summary .icon,
.nav-item.is-open summary .icon {
  transform: rotate(180deg);
}
.nav-item[open] .mega-menu,
.nav-item.is-open .mega-menu {
  animation: menu-enter 0.28s cubic-bezier(0.2, 0.75, 0.3, 1) both;
  transform-origin: top;
}
.nav-item.is-leaving .mega-menu {
  animation: menu-leave 0.18s ease both;
  pointer-events: none;
}
.nav-item[open] .mega-inner > div,
.nav-item.is-open .mega-inner > div {
  animation: menu-content-enter 0.3s ease both;
  animation-delay: 0.035s;
}
.nav-item[open] .mega-inner > div:nth-child(2),
.nav-item.is-open .mega-inner > div:nth-child(2) {
  animation-delay: 0.07s;
}
.nav-item[open] .mega-inner > div:nth-child(3),
.nav-item.is-open .mega-inner > div:nth-child(3) {
  animation-delay: 0.105s;
}
.mega-inner a {
  transition:
    color 0.18s,
    transform 0.22s;
}
.mega-inner a:hover {
  transform: translateX(5px);
}
.mega-inner h3 {
  font-size: 16px;
  font-weight: 650;
}
.mega-note {
  border-left: 3px solid #8491b8;
  border-radius: 0;
}
.mega-note h3 {
  color: #303644;
  font-size: 23px;
}
.button {
  min-height: 52px;
  font-size: 17px;
  font-weight: 650;
}
.button:hover {
  transform: translateY(-2px);
}
.tour-card {
  border-radius: 6px;
}
.tour-card h3 {
  font-weight: 700;
}
.tour-card-body {
  padding: 24px;
}
.card-kicker,
.tour-card .route {
  font-size: 15px;
}
.price {
  font-size: 25px;
  font-weight: 750;
}
.price small {
  font-size: 14px;
}
.article-card h3 {
  font-weight: 700;
}
.article-card .scene {
  border-radius: 4px;
}
.cta {
  background: #626e9c;
  border-radius: 4px;
  padding: 52px;
  color: white;
}
.cta .eyebrow,
.cta p {
  color: #f0f2f8;
}
.cta .button {
  background: white;
  border-color: white;
  color: #485783;
  flex-shrink: 0;
}
.site-footer {
  padding-top: 72px;
}
.footer-grid h3 {
  font-weight: 650;
}
@keyframes menu-enter {
  from {
    opacity: 0;
    transform: translateY(-9px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes menu-leave {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-6px);
  }
}
@keyframes menu-content-enter {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 1200px) and (min-width: 1051px) {
  .container {
    width: calc(100% - 64px);
  }
  .main-nav {
    gap: 18px;
  }
  .header-inner {
    gap: 16px;
  }
  .nav-item summary {
    font-size: 16px;
  }
  .brand-name {
    font-size: 24px;
  }
  .header-plan {
    padding: 8px 12px;
    font-size: 16px;
  }
}
@media (max-width: 1050px) {
  /* 浅层列表 / Plan：移动端隐藏面包屑（底栏可回主栏目） */
  .breadcrumb--list {
    display: none;
  }
  /* 详情：保留可点父级，隐藏与 H1 重复的末级文案 */
  .breadcrumb--detail {
    flex-wrap: nowrap;
    padding-top: 14px;
    margin-bottom: 12px;
  }
  .breadcrumb--detail .breadcrumb__tail,
  .breadcrumb--detail .breadcrumb__current {
    display: none;
  }
  .main-nav {
    animation: menu-enter 0.25s ease both;
  }
  .nav-item summary::after {
    display: none;
  }
  .header-inner {
    height: 76px;
  }
  .main-nav {
    inset: 76px 0 0;
    height: calc(100dvh - 76px);
  }
  .brand-name {
    font-size: 25px;
  }
  .brand-symbol {
    width: 46px;
    height: 46px;
  }
  .nav-item summary {
    font-size: 20px;
  }
  .mega-inner a {
    font-size: 17px;
  }
}
@media (max-width: 700px) {
  body {
    font-size: 16px;
  }
  .section {
    padding-block: 20px;
  }
  .section-head p {
    font-size: 16px;
  }
  .section-head .text-link {
    font-size: 16px;
  }
  .eyebrow {
    font-size: 13px;
    letter-spacing: 0.12em;
  }
  .header-inner {
    height: 72px;
  }
  .main-nav {
    inset: 72px 0 0;
    height: calc(100dvh - 72px);
  }
  .brand {
    gap: 8px;
  }
  .brand-symbol {
    width: 42px;
    height: 42px;
  }
  .brand-name {
    font-size: 23px;
  }
  .brand small {
    font-size: 10px;
    letter-spacing: 0.15em;
  }
  .header-actions {
    gap: 2px;
  }
  .header-actions .icon {
    width: 23px;
    height: 23px;
  }
  .cta {
    padding: 32px 24px;
  }
  .cta h2 {
    font-size: 30px;
  }
  .cta p {
    font-size: 16px;
  }
  .tour-card-body {
    padding: 20px;
  }
  .card-kicker,
  .tour-card .route {
    font-size: 14px;
  }
  .tour-card h3 {
    font-size: 22px;
  }
  .breadcrumb {
    font-size: 13px;
  }
  .footer-intro,
  .footer-grid a:not(.brand) {
    font-size: 15px;
  }
  .footer-bottom {
    font-size: 13px;
  }
}

/* 美亚品牌：保留原始 Logo，深色页尾使用 CSS 提亮；无额外图片请求。 */
.brand-logo {
  display: block;
  width: 124px;
  height: auto;
  aspect-ratio: 1905 / 826;
  object-fit: contain;
  flex-shrink: 0;
}
.brand .brand-name {
  font-size: 24px;
  letter-spacing: 0.035em;
  white-space: nowrap;
}
.brand small {
  letter-spacing: 0.06em;
  font-size: 10px;
}
.site-footer .brand-logo {
  filter: brightness(0) invert(1);
}
.footer-grid {
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 36px;
}
.footer-domain {
  display: block;
  font-size: 14px;
  letter-spacing: 0.025em;
  color: #cbd1e0;
}
.footer-operator {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  margin-top: 32px;
  padding-top: 25px;
  border-top: 1px solid #ffffff18;
  color: #cbd1e0;
  font-size: 14px;
}
.footer-bottom {
  margin-top: 22px;
}
@media (max-width: 1200px) and (min-width: 1051px) {
  .header-inner .brand-logo {
    width: 100px;
  }
  .header-inner .brand-name {
    font-size: 22px;
  }
  .footer-grid {
    gap: 25px;
  }
  .footer-brand .brand {
    flex-wrap: wrap;
  }
}
@media (max-width: 1050px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 760px) {
  .brand-logo {
    width: 102px;
  }
  .brand .brand-name {
    font-size: 22px;
  }
  .brand small {
    font-size: 9px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-brand .brand-logo {
    width: 124px;
  }
  .footer-operator {
    display: grid;
    font-size: 13px;
    gap: 8px;
  }
}
@media (max-width: 360px) {
  .header-inner .brand {
    gap: 7px;
  }
  .header-inner .brand-logo {
    width: 87px;
  }
  .header-inner .brand-name {
    font-size: 20px;
  }
  .header-inner .brand small {
    font-size: 8px;
  }
}

/* 搜索留出焦点环和上下呼吸空间；链接箭头保持与文字居中对齐。 */
.text-link > .icon {
  width: 20px;
  height: 20px;
  margin: 0;
  align-self: center;
  flex-shrink: 0;
}
#search-dialog .dialog-content {
  display: flex;
  flex-direction: column;
  max-height: calc(min(720px, 85dvh) - 73px);
  overflow: hidden;
  padding: 28px 28px 24px;
}
#search-dialog label.search-hint {
  display: block;
  margin: 0 0 18px;
}
#site-search {
  min-height: 58px;
  padding: 14px 16px;
  margin: 0 0 22px;
  line-height: 1.6;
}
#search-dialog .search-results {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  margin-top: 18px;
  padding: 4px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #b3bdd1 transparent;
}
#search-dialog .search-results::-webkit-scrollbar {
  width: 6px;
}
#search-dialog .search-results::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: #b3bdd1;
}
#search-dialog .search-results::-webkit-scrollbar-track {
  background: transparent;
}
#search-dialog .search-result {
  padding: 16px 8px;
}
@media (max-width: 700px) {
  :focus-visible {
    outline-width: 1px;
    border: none;
  }
  #search-dialog .dialog-content {
    padding: 24px 22px;
  }
  #search-dialog .dialog-head {
    padding: 18px 20px;
  }
  #search-dialog .dialog-head h2 {
    font-size: 20px;
  }
  #site-search {
    min-height: 54px;
    padding: 13px 14px;
    font-size: 17px;
    margin-bottom: 20px;
  }
}

/* 语言切换与内页顶部结构（母版专用） */
.site-lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  opacity: 0.92;
}
.site-lang a {
  padding: 2px 4px;
}
.site-lang a.on {
  font-weight: 800;
}
/* 内页顶栏对齐设计包 utility-bar：普通文档流滚走；.site-header 已 sticky，须与 main 同级才能整页吸顶 */
.inner-topbar {
  height: 30px;
  background: #f0f1f7;
  color: #606c83;
  font-size: 14px;
}
.inner-topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(1320px, calc(100% - 96px));
  margin-inline: auto;
}
body.is-inner .site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: #fff;
}
@media (max-width: 1050px) {
  .inner-topbar {
    display: none;
  }
  .site-lang {
    display: none;
  }
}