/* ==================== 变量系统 ==================== */
:root {
  --primary: #1a365d;
  --primary-rgb: 26, 54, 93;
  --accent: #d4a574;
  --bg: #faf9f6;
  --text: #2d3748;
  --text-light: #718096;
  --white: #ffffff;
  --whatsapp: #25d366;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 80px;

  --radius: 4px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --nav-height: 76px;
}

/* ==================== 基础排版 ==================== */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  color: var(--primary);
  line-height: 1.2;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: 0.3s;
}

a:hover {
  opacity: 0.8;
}

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

.container {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 20px;
  width: 100%;
}

.page-main {
  min-height: 50vh;
  padding-top: var(--nav-height);
}

.skip-link {
  background: var(--white);
  color: var(--primary);
  left: 16px;
  padding: 10px 16px;
  position: fixed;
  top: -100px;
  z-index: 2000;
}

.skip-link:focus {
  top: 16px;
}

.sr-only {
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ==================== 按钮 ==================== */
.btn-primary {
  background: var(--accent);
  border-radius: var(--radius);
  color: var(--white);
  display: inline-block;
  font-weight: 600;
  padding: 16px 40px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: #c49a65;
  opacity: 1;
  transform: translateY(-2px);
}

/* ==================== 导航栏 ==================== */
.site-header {
  background: transparent;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  z-index: 1000;
}

.site-header.scrolled {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(var(--primary-rgb), 0.94);
  box-shadow: var(--shadow);
}

.navbar {
  align-items: center;
  display: flex;
  height: var(--nav-height);
  justify-content: space-between;
}

.brand-logo {
  color: var(--white);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo:hover {
  opacity: 1;
}

.nav-links {
  background: var(--primary);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 4px;
  left: 0;
  opacity: 0;
  padding: var(--space-sm) 20px var(--space-md);
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 100%;
  transform: translateY(-12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  visibility: hidden;
}

.nav-links.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.nav-link {
  color: var(--white);
  display: block;
  font-weight: 500;
  padding: 12px 0;
  position: relative;
}

.nav-link::after {
  background: var(--accent);
  bottom: 5px;
  content: '';
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  opacity: 1;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  align-items: center;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  height: 44px;
  justify-content: center;
  padding: 8px;
  width: 44px;
}

.menu-toggle span:not(.sr-only) {
  background: currentColor;
  height: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  width: 25px;
}

.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==================== 页脚 ==================== */
.site-footer {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-lg) 0 0;
}

.footer-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.footer-column h2,
.footer-logo {
  color: var(--white);
}

.footer-column h2 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.footer-logo {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.footer-description,
.footer-address,
.footer-list li {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.93rem;
}

.footer-address {
  font-style: normal;
  margin-top: var(--space-sm);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-list a:hover {
  color: var(--accent);
  opacity: 1;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-link {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  color: var(--white);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

.footer-bottom {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p,
.footer-legal a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-sm);
}

/* ==================== WhatsApp 浮动按钮 ==================== */
.whatsapp-float {
  align-items: center;
  background: var(--whatsapp);
  border-radius: 50%;
  bottom: 24px;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.2);
  color: var(--white);
  display: flex;
  font-size: 0.78rem;
  font-weight: 700;
  height: 60px;
  justify-content: center;
  position: fixed;
  right: 24px;
  text-transform: uppercase;
  transform: scale(1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 60px;
  z-index: 900;
}

.whatsapp-float:hover {
  box-shadow: 0 9px 28px rgba(0, 0, 0, 0.24);
  opacity: 1;
  transform: scale(1.1);
}

/* ==================== 首页：China Highlights 风格 ==================== */
.home-main {
  padding-top: 0;
}

.hero-section {
  align-items: center;
  background:
    linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.55)),
    url('https://images.pexels.com/photos/37342747/pexels-photo-37342747.jpeg') center / cover no-repeat;
  display: flex;
  min-height: 100vh;
  position: relative;
  text-align: center;
}

.hero-content {
  padding-bottom: 80px;
  padding-top: calc(var(--nav-height) + 80px);
}

.hero-title {
  color: var(--white);
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  letter-spacing: -0.035em;
  margin: 0 auto;
  max-width: 920px;
  text-shadow: 0 3px 22px rgba(0, 0, 0, 0.28);
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.05rem, 2.3vw, 1.42rem);
  margin: 20px auto 0;
  max-width: 720px;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
}

.hero-actions .btn-primary,
.hero-actions .btn-secondary {
  min-width: 190px;
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  color: var(--white);
  display: inline-block;
  font-weight: 600;
  padding: 15px 39px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
  opacity: 1;
  transform: translateY(-2px);
}

.js .hero-subtitle {
  transition-delay: 0.13s;
}

.js .hero-actions {
  transition-delay: 0.26s;
}

/* 信任条 */
.trust-bar {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-md) 0;
}

.trust-grid {
  display: grid;
  gap: 24px 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.trust-item {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}

.trust-icon {
  align-items: center;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: inline-flex;
  flex: 0 0 54px;
  font-size: 0.8rem;
  font-weight: 700;
  height: 54px;
  justify-content: center;
  width: 54px;
}

.trust-item strong,
.trust-item span:not(.trust-icon) {
  display: block;
}

.trust-item strong {
  color: var(--white);
  font-size: 0.98rem;
}

.trust-item div > span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* 首页通用标题与留白 */
.home-section {
  padding: var(--space-lg) 0;
}

.section-heading {
  margin: 0 auto 40px;
  max-width: 760px;
  text-align: center;
}

.section-eyebrow {
  color: var(--accent);
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
}

.section-heading p {
  color: var(--text-light);
  font-size: 1.02rem;
  margin-top: 12px;
}

/* 热门目的地 */
.destination-grid,
.tour-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.destination-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 18px rgba(26, 54, 93, 0.07);
  overflow: hidden;
}

.card-image-link,
.tour-image-wrap {
  aspect-ratio: 16 / 9;
  display: block;
  overflow: hidden;
}

.card-image-link img,
.tour-image-wrap img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  width: 100%;
}

.destination-content {
  padding: 24px;
}

.destination-content h3,
.tour-content h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.destination-content h3 a {
  color: var(--primary);
}

.destination-content p {
  color: var(--text-light);
  margin-bottom: 18px;
}

.text-link {
  display: inline-flex;
  font-weight: 700;
  gap: 7px;
}

.text-link span {
  transition: transform 0.25s ease;
}

.destination-card:hover img {
  transform: scale(1.05);
}

.destination-card:hover h3 a {
  color: var(--accent);
}

.text-link:hover span {
  transform: translateX(4px);
}

/* 精选产品 */
.featured-tours-section {
  background: var(--white);
}

.tour-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tour-image-wrap {
  position: relative;
}

.tour-duration {
  background: var(--accent);
  border-radius: 0 0 8px 0;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  left: 0;
  padding: 6px 14px;
  position: absolute;
  top: 0;
}

.tour-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.tour-highlights {
  display: grid;
  gap: 9px;
  margin-bottom: 24px;
}

.tour-highlights li {
  color: var(--text-light);
  font-size: 0.92rem;
  padding-left: 20px;
  position: relative;
}

.tour-highlights li::before {
  color: var(--accent);
  content: '\2713';
  font-weight: 700;
  left: 0;
  position: absolute;
}

.tour-footer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  margin-top: auto;
}

.tour-price {
  color: var(--text-light);
  font-size: 0.78rem;
}

.tour-price strong {
  color: var(--primary);
  display: block;
  font-size: 1rem;
}

.btn-small {
  padding: 12px 28px;
}

/* 选择我们的理由 */
.why-grid {
  display: grid;
  gap: 28px 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.why-item {
  text-align: center;
}

.why-icon {
  align-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  display: inline-flex;
  font-size: 1rem;
  font-weight: 800;
  height: 64px;
  justify-content: center;
  margin-bottom: 16px;
  width: 64px;
}

.why-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.why-item p {
  color: var(--text-light);
  font-size: 0.86rem;
}

/* 客户评价 */
.testimonials-section {
  background: #f2efe9;
}

.testimonial-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.testimonial-card {
  background: var(--white);
  border-left: 4px solid var(--accent);
  box-shadow: 0 2px 16px rgba(26, 54, 93, 0.06);
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 280px;
  padding: 32px;
  position: relative;
}

.quote-mark {
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 5.5rem;
  left: 22px;
  line-height: 1;
  opacity: 0.3;
  position: absolute;
  top: 13px;
}

.testimonial-card blockquote {
  color: var(--text);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 24px;
  padding-top: 38px;
}

.testimonial-card figcaption {
  margin-top: auto;
}

.stars {
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.testimonial-card figcaption strong,
.testimonial-card figcaption span {
  display: block;
}

.testimonial-card figcaption strong {
  color: var(--primary);
}

.testimonial-card figcaption span {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* 行动号召横幅 */
.cta-banner {
  background:
    linear-gradient(rgba(9, 24, 42, 0.65), rgba(9, 24, 42, 0.78)),
    url('https://images.pexels.com/photos/30076141/pexels-photo-30076141.jpeg') center / cover no-repeat;
  color: var(--white);
  padding: var(--space-xl) 20px;
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.1rem;
  margin: 14px 0 28px;
}

.btn-large {
  font-size: 1.05rem;
  padding: 17px 44px;
}

/* ==================== 内页通用标题区 ==================== */
html {
  scroll-behavior: smooth;
}

.inner-page-main {
  padding-top: 0;
}

.page-header {
  align-items: center;
  background-position: center;
  background-size: cover;
  display: flex;
  min-height: max(340px, 40vh);
  padding: calc(var(--nav-height) + 48px) 0 48px;
  text-align: center;
}

.about-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.48), rgba(7, 20, 35, 0.68)),
    url('https://images.pexels.com/photos/30076141/pexels-photo-30076141.jpeg');
}

.contact-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.55), rgba(7, 20, 35, 0.72)),
    url('https://images.pexels.com/photos/25194148/pexels-photo-25194148.jpeg');
}

.page-header-content h1 {
  color: var(--white);
  font-size: clamp(2.35rem, 6vw, 4.2rem);
  letter-spacing: -0.03em;
  text-shadow: 0 3px 20px rgba(0, 0, 0, 0.32);
}

.page-header-content p {
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin: 14px auto 0;
  max-width: 760px;
}

.page-header-content .fade-up + .fade-up {
  transition-delay: 0.12s;
}

.content-section {
  padding: var(--space-lg) 0;
}

/* ==================== About 页面 ==================== */
.story-grid,
.team-grid {
  align-items: center;
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}

.story-copy h2,
.team-copy h3 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}

.story-copy p,
.team-copy > p:not(.team-role) {
  color: var(--text-light);
  margin-bottom: 18px;
}

.story-copy .btn-primary {
  margin-top: 8px;
}

.story-image {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.story-image img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.coverage-section {
  background: #f2efe9;
}

.coverage-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.coverage-card {
  align-items: flex-start;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 14px rgba(26, 54, 93, 0.06);
  display: flex;
  gap: 16px;
  padding: 22px;
}

.coverage-icon {
  align-items: center;
  background: var(--primary);
  border-radius: 50%;
  color: var(--white);
  display: inline-flex;
  flex: 0 0 48px;
  font-size: 1rem;
  font-weight: 800;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.coverage-card h3 {
  font-size: 1.02rem;
  margin-bottom: 5px;
}

.coverage-card p {
  color: var(--text-light);
  font-size: 0.86rem;
}

.about-trust-section {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-lg) 0;
}

.about-trust-section .section-heading h2 {
  color: var(--white);
}

.about-trust-grid {
  display: grid;
  gap: 30px 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-trust-item {
  text-align: center;
}

.trust-check {
  align-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  display: inline-flex;
  font-size: 1.2rem;
  font-weight: 800;
  height: 50px;
  justify-content: center;
  margin-bottom: 14px;
  width: 50px;
}

.about-trust-item h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 7px;
}

.about-trust-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.84rem;
}

.team-section {
  scroll-margin-top: calc(var(--nav-height) + 24px);
}

.team-portrait-wrap {
  text-align: center;
}

.team-portrait {
  align-items: center;
  background: var(--accent);
  border: 8px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow);
  color: var(--white);
  display: flex;
  font-size: 3.2rem;
  font-weight: 800;
  height: 200px;
  justify-content: center;
  margin: 0 auto;
  width: 200px;
}

.team-portrait-wrap p {
  color: var(--text-light);
  font-size: 0.78rem;
  margin-top: 12px;
}

.team-role {
  color: var(--accent);
  font-weight: 700;
  margin: -10px 0 18px;
}

.team-contact-list {
  border-top: 1px solid #e2e8f0;
  display: grid;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
}

.team-contact-list a {
  word-break: break-word;
}

/* ==================== Contact 页面 ==================== */
.contact-section {
  background: #f2efe9;
}

.contact-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.contact-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 32px 24px;
}

.contact-card-title {
  font-size: 1.6rem;
  margin-bottom: 30px;
}

.contact-details {
  display: grid;
  gap: 28px;
}

.contact-detail {
  align-items: flex-start;
  display: flex;
  gap: 16px;
}

.contact-icon {
  align-items: center;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  display: inline-flex;
  flex: 0 0 42px;
  font-size: 0.7rem;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.contact-detail h3 {
  font-size: 0.96rem;
  margin-bottom: 5px;
}

.contact-detail a,
.contact-detail address,
.contact-detail p {
  color: var(--text-light);
  display: block;
  font-size: 0.9rem;
  font-style: normal;
}

.contact-detail a:hover {
  color: var(--accent);
  opacity: 1;
}

.btn-whatsapp {
  background: var(--whatsapp);
  border-radius: var(--radius);
  color: var(--white);
  display: inline-block;
  font-weight: 700;
  padding: 13px 26px;
  transition: all 0.3s ease;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  color: var(--white);
  opacity: 1;
  transform: translateY(-2px);
}

.contact-whatsapp {
  margin-top: 10px;
  width: max-content;
}

.wechat-placeholder {
  align-items: center;
  background: #e2e8f0;
  border: 1px dashed #a0aec0;
  border-radius: 6px;
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  height: 150px;
  justify-content: center;
  margin-top: 14px;
  text-align: center;
  width: 150px;
}

.wechat-placeholder strong {
  color: var(--primary);
  font-size: 0.8rem;
}

.wechat-placeholder span {
  font-size: 0.65rem;
  margin-top: 5px;
  max-width: 120px;
}

.inquiry-form {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

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

.form-field label {
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 700;
}

.form-field label span {
  color: #c53030;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--white);
  border: 1px solid #cbd5e0;
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  padding: 13px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.form-field textarea {
  min-height: 136px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
  outline: none;
}

.form-submit {
  border: 0;
  cursor: pointer;
  font: inherit;
  width: 100%;
}

.form-note,
.form-status {
  color: var(--text-light);
  font-size: 0.76rem;
  margin-top: 16px;
}

.form-status:not(:empty) {
  background: #fff8ee;
  border-left: 3px solid var(--accent);
  color: var(--text);
  padding: 10px 12px;
}

.map-placeholder {
  align-items: center;
  background: #e2e8f0;
  display: flex;
  height: 300px;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.map-placeholder strong,
.map-placeholder span {
  display: block;
}

.map-placeholder strong {
  color: var(--primary);
  font-size: 1.35rem;
}

.map-placeholder span {
  color: var(--text-light);
  margin-top: 7px;
}

.faq-container {
  max-width: 900px;
}

.faq-list {
  border-top: 1px solid #e2e8f0;
}

.faq-item {
  border-bottom: 1px solid #e2e8f0;
}

.faq-question {
  align-items: center;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  font: inherit;
  font-weight: 700;
  justify-content: space-between;
  padding: 22px 38px 22px 0;
  position: relative;
  text-align: left;
  width: 100%;
}

.faq-question::after {
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--accent);
  content: '';
  position: absolute;
  right: 7px;
  top: calc(50% - 3px);
  transform: rotate(0deg);
  transition: transform 0.3s ease;
}

.faq-question[aria-expanded='true']::after {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  color: var(--text-light);
  padding: 0 38px 22px 0;
}

/* ==================== 阶段4：目的地页面 ==================== */
.destinations-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.45), rgba(7, 20, 35, 0.58)),
    url('https://images.pexels.com/photos/30076141/pexels-photo-30076141.jpeg');
}

.destination-detail-header {
  min-height: max(420px, 50vh);
}

.zhangjiajie-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.46), rgba(7, 20, 35, 0.68)),
    url('https://images.pexels.com/photos/37342747/pexels-photo-37342747.jpeg');
}

.changsha-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.48), rgba(7, 20, 35, 0.67)),
    url('https://images.pexels.com/photos/35454192/pexels-photo-35454192.jpeg');
}

.destination-duration {
  background: var(--accent);
  border-radius: 999px;
  color: var(--white);
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-top: 22px;
  padding: 8px 18px;
}

.destinations-overview-section,
.gallery-section {
  background: var(--white);
}

.destinations-overview-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.destinations-overview-grid .destination-card {
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.destinations-overview-grid .destination-card:hover {
  box-shadow: 0 14px 34px rgba(26, 54, 93, 0.16);
  transform: translateY(-4px);
}

.destinations-cta {
  background:
    linear-gradient(rgba(9, 24, 42, 0.66), rgba(9, 24, 42, 0.8)),
    url('https://images.pexels.com/photos/37342747/pexels-photo-37342747.jpeg') center / cover no-repeat;
}

.destination-intro-grid .story-image {
  min-height: 320px;
}

.attractions-section {
  background: #f2efe9;
}

.attractions-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.attraction-card {
  align-items: flex-start;
  background: var(--white);
  border-left: 4px solid var(--accent);
  box-shadow: 0 2px 16px rgba(26, 54, 93, 0.06);
  display: flex;
  gap: 20px;
  padding: 28px;
}

.attraction-card h3 {
  font-size: 1.24rem;
  margin-bottom: 10px;
}

.attraction-card p {
  color: var(--text-light);
}

.attraction-icon {
  align-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  flex: 0 0 52px;
  height: 52px;
  justify-content: center;
  position: relative;
}

.icon-mountain::before {
  border-bottom: 20px solid var(--accent);
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  content: '';
}

.icon-pillar::before {
  background: var(--accent);
  border-radius: 3px 3px 1px 1px;
  content: '';
  height: 27px;
  width: 13px;
}

.icon-cave::before {
  border: 6px solid var(--accent);
  border-bottom-color: transparent;
  border-radius: 50%;
  content: '';
  height: 24px;
  width: 24px;
}

.icon-bridge::before {
  background: var(--accent);
  box-shadow: -10px 6px 0 -4px var(--accent), 10px 6px 0 -4px var(--accent);
  content: '';
  height: 4px;
  width: 30px;
}

.icon-orange::before {
  background: var(--accent);
  border-radius: 50%;
  content: '';
  height: 24px;
  width: 24px;
}

.icon-orange::after {
  background: var(--primary);
  border-radius: 10px 2px;
  content: '';
  height: 8px;
  position: absolute;
  right: 11px;
  top: 8px;
  transform: rotate(-25deg);
  width: 12px;
}

.icon-book::before {
  border: 3px solid var(--accent);
  border-radius: 2px;
  content: '';
  height: 22px;
  width: 29px;
}

.icon-book::after {
  background: var(--accent);
  content: '';
  height: 22px;
  left: 24px;
  position: absolute;
  width: 2px;
}

.icon-museum::before {
  border: 3px solid var(--accent);
  box-shadow: inset 7px 0 0 -5px var(--accent), inset -7px 0 0 -5px var(--accent);
  content: '';
  height: 22px;
  width: 28px;
}

.icon-house::before {
  border-bottom: 18px solid var(--accent);
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  content: '';
  position: absolute;
  top: 8px;
}

.icon-house::after {
  background: var(--accent);
  content: '';
  height: 17px;
  position: absolute;
  top: 25px;
  width: 24px;
}

.itinerary-section {
  background: var(--white);
}

.itinerary-container {
  max-width: 940px;
}

.itinerary-timeline {
  padding-left: 38px;
  position: relative;
}

.itinerary-timeline::before {
  background: var(--accent);
  content: '';
  height: 100%;
  left: 11px;
  position: absolute;
  top: 0;
  width: 2px;
}

.itinerary-day {
  background: var(--white);
  border: 1px solid rgba(26, 54, 93, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  padding: 28px;
  position: relative;
}

.itinerary-day::before {
  background: var(--accent);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--accent);
  content: '';
  height: 12px;
  left: -33px;
  position: absolute;
  top: 33px;
  width: 12px;
}

.itinerary-day:last-child {
  margin-bottom: 0;
}

.itinerary-day h3 {
  font-size: 1.28rem;
  margin-bottom: 14px;
}

.itinerary-day ul {
  color: var(--text-light);
  display: grid;
  gap: 9px;
}

.itinerary-day li {
  padding-left: 18px;
  position: relative;
}

.itinerary-day li::before {
  color: var(--accent);
  content: '•';
  left: 0;
  position: absolute;
}

.itinerary-day strong {
  color: var(--text);
}

.photo-gallery {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-item {
  border-radius: 4px;
  height: 220px;
  overflow: hidden;
  position: relative;
}

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

.gallery-item figcaption {
  align-items: flex-end;
  background: linear-gradient(transparent 25%, rgba(7, 20, 35, 0.85));
  color: var(--white);
  display: flex;
  font-size: 0.8rem;
  inset: 0;
  opacity: 0;
  padding: 16px;
  position: absolute;
  transition: opacity 0.3s ease;
}

.gallery-item:hover img,
.gallery-item:focus-within img {
  transform: scale(1.04);
}

.gallery-item:hover figcaption,
.gallery-item:focus-within figcaption {
  opacity: 1;
}

.practical-section {
  background: var(--bg);
}

.practical-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.practical-card {
  background: var(--white);
  border-radius: 4px;
  border-top: 4px solid var(--accent);
  padding: 24px;
}

.practical-card h3 {
  font-size: 1.08rem;
  margin-bottom: 12px;
}

.practical-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.season-spring { border-top-color: #68a357; }
.season-summer { border-top-color: #4f91c7; }
.season-autumn { border-top-color: #d98b3a; }
.season-winter { border-top-color: #8795a1; }

.zhangjiajie-cta {
  background:
    linear-gradient(rgba(9, 24, 42, 0.66), rgba(9, 24, 42, 0.8)),
    url('https://images.pexels.com/photos/30076141/pexels-photo-30076141.jpeg') center / cover no-repeat;
}

.cuisine-section {
  background: var(--primary);
}

.section-heading-light h2,
.cuisine-card h3 {
  color: var(--white);
}

.section-heading-light p,
.cuisine-card p {
  color: rgba(255, 255, 255, 0.75);
}

.cuisine-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.cuisine-card {
  text-align: center;
}

.food-icon {
  align-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 800;
  height: 64px;
  justify-content: center;
  margin-bottom: 18px;
  width: 64px;
}

.cuisine-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.changsha-cta {
  background:
    linear-gradient(rgba(9, 24, 42, 0.63), rgba(9, 24, 42, 0.78)),
    url('https://images.pexels.com/photos/35422108/pexels-photo-35422108.jpeg') center / cover no-repeat;
}

/* ==================== 阶段5：产品、法律与404页面 ==================== */
.tours-page-header {
  background-image:
    linear-gradient(rgba(7, 20, 35, 0.48), rgba(7, 20, 35, 0.68)),
    url('https://images.pexels.com/photos/37342747/pexels-photo-37342747.jpeg');
}

.tour-packages-section {
  background: var(--white);
}

.package-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.package-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.package-image-wrap {
  flex: 0 0 220px;
  height: 220px;
  overflow: hidden;
  position: relative;
}

.package-image-wrap img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  width: 100%;
}

.package-card:hover .package-image-wrap img {
  transform: scale(1.04);
}

.package-duration {
  background: var(--accent);
  border-radius: 0 0 8px 0;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  left: 0;
  padding: 6px 14px;
  position: absolute;
  top: 0;
}

.package-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 28px;
}

.package-content > h3 {
  font-size: 1.45rem;
  margin-bottom: 22px;
}

.package-block {
  margin-bottom: 22px;
}

.package-block h4 {
  color: var(--primary);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.package-block ul {
  display: grid;
  gap: 8px;
}

.itinerary-overview {
  color: var(--text);
  list-style: disc;
  padding-left: 20px;
}

.itinerary-overview li::marker {
  color: var(--accent);
}

.included-list li {
  color: var(--text);
  padding-left: 23px;
  position: relative;
}

.included-list li::before {
  color: #38a169;
  content: '✓';
  font-weight: 800;
  left: 0;
  position: absolute;
}

.excluded-block {
  border-top: 1px solid #e2e8f0;
  color: #718096;
  font-size: 0.9rem;
  margin-top: auto;
  padding-top: 18px;
}

.excluded-block h4 {
  color: #718096;
}

.excluded-block li {
  padding-left: 14px;
  position: relative;
}

.excluded-block li::before {
  content: '–';
  left: 0;
  position: absolute;
}

.package-price {
  align-items: baseline;
  border-top: 1px solid #e2e8f0;
  display: flex;
  gap: 8px;
  justify-content: center;
  padding-top: 16px;
  text-align: center;
}

.package-price span {
  color: var(--text-light);
  font-size: 0.86rem;
}

.package-price strong {
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}

.package-button {
  margin-top: 16px;
  text-align: center;
  width: 100%;
}

.booking-benefits-section {
  background: var(--bg);
}

.booking-benefits-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.booking-benefit {
  background: var(--white);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.booking-benefit h3 {
  font-size: 1.08rem;
  margin: 16px 0 8px;
}

.booking-benefit p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.benefit-icon {
  align-items: center;
  color: var(--accent);
  display: inline-flex;
  height: 52px;
  justify-content: center;
  position: relative;
  width: 52px;
}

.icon-shield::before {
  border: 3px solid var(--accent);
  border-radius: 14px 14px 20px 20px;
  content: '';
  height: 36px;
  transform: scaleX(0.85);
  width: 30px;
}

.icon-pencil::before {
  background: var(--accent);
  border-radius: 2px;
  content: '';
  height: 8px;
  transform: rotate(-45deg);
  width: 38px;
}

.icon-pencil::after {
  border-bottom: 5px solid transparent;
  border-right: 8px solid var(--accent);
  border-top: 5px solid transparent;
  content: '';
  position: absolute;
  right: 4px;
  top: 9px;
  transform: rotate(-45deg);
}

.icon-globe {
  border: 3px solid var(--accent);
  border-radius: 50%;
}

.icon-globe::before,
.icon-globe::after {
  content: '';
  position: absolute;
}

.icon-globe::before {
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  border-radius: 50%;
  height: 44px;
  width: 19px;
}

.icon-globe::after {
  background: var(--accent);
  height: 2px;
  width: 44px;
}

.icon-refresh::before {
  content: '↻';
  font-size: 3.25rem;
  line-height: 1;
}

.tours-cta {
  background:
    linear-gradient(rgba(9, 24, 42, 0.66), rgba(9, 24, 42, 0.8)),
    url('https://images.pexels.com/photos/37342747/pexels-photo-37342747.jpeg') center / cover no-repeat;
}

/* 法律页面采用安静、易读的单栏排版 */
.legal-page-main {
  background: var(--white);
}

.legal-page-header {
  align-items: center;
  background: var(--primary);
  display: flex;
  min-height: max(270px, 30vh);
  padding: calc(var(--nav-height) + 36px) 0 36px;
  text-align: center;
}

.legal-content {
  margin: 0 auto;
  max-width: 800px;
  padding: 60px 20px;
}

.legal-content section {
  margin-bottom: 36px;
}

.legal-content section:last-child {
  margin-bottom: 0;
}

.legal-content h2 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.legal-content p {
  color: var(--text-light);
  line-height: 1.85;
}

.legal-content a {
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* 独立404页：纯CSS指南针 */
.error-page-body {
  background: var(--primary);
  color: var(--white);
}

.error-page {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  padding: 40px 20px;
  position: relative;
  text-align: center;
}

.error-page::before,
.error-page::after {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: '';
  position: absolute;
}

.error-page::before {
  height: 480px;
  left: -240px;
  top: -240px;
  width: 480px;
}

.error-page::after {
  bottom: -180px;
  height: 360px;
  right: -180px;
  width: 360px;
}

.error-compass {
  border: 4px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  box-shadow: inset 0 0 0 7px rgba(212, 165, 116, 0.16);
  height: 112px;
  margin-bottom: 20px;
  position: relative;
  width: 112px;
}

.error-compass::before,
.error-compass::after {
  background: rgba(255, 255, 255, 0.45);
  content: '';
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.error-compass::before {
  height: 2px;
  width: 88px;
}

.error-compass::after {
  height: 88px;
  width: 2px;
}

.compass-needle {
  background: linear-gradient(to bottom, var(--accent) 0 50%, var(--white) 50% 100%);
  clip-path: polygon(50% 0, 68% 50%, 50% 100%, 32% 50%);
  height: 80px;
  left: 12px;
  position: absolute;
  top: 12px;
  transform: rotate(28deg);
  width: 80px;
  z-index: 1;
}

.error-content {
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.error-content h1 {
  color: var(--white);
  font-size: clamp(4rem, 10vw, 8rem);
  letter-spacing: -0.05em;
  line-height: 0.9;
}

.error-content h2 {
  color: var(--accent);
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin-top: 18px;
}

.error-content > p:not(.error-contact) {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  margin: 18px auto 28px;
  max-width: 650px;
}

.error-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: center;
}

.error-home-button,
.error-tours-button {
  border: 2px solid var(--white);
  border-radius: var(--radius);
  display: inline-block;
  font-weight: 700;
  padding: 14px 30px;
}

.error-home-button {
  background: var(--white);
  color: var(--primary);
}

.error-tours-button {
  color: var(--white);
}

.error-home-button:hover,
.error-tours-button:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.error-contact {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
  margin-top: 28px;
}

.error-contact a {
  color: var(--accent);
}

/* ==================== 滚动动画 ==================== */
.fade-up {
  opacity: 1;
  transform: translateY(0);
}

.js .fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.js .fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== 响应式断点 ==================== */
/* 768px 以下：手机（默认样式） */

/* 768px - 1024px：平板 */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    align-items: center;
    background: transparent;
    box-shadow: none;
    flex-direction: row;
    gap: 28px;
    opacity: 1;
    padding: 0;
    pointer-events: auto;
    position: static;
    transform: none;
    visibility: visible;
  }

  .nav-link {
    padding: 10px 0;
  }

  .nav-link::after {
    bottom: 4px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }

  .trust-grid {
    gap: 20px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .trust-item {
    flex-direction: row;
    text-align: left;
  }

  .home-section {
    padding: var(--space-xl) 0;
  }

  .why-grid {
    gap: 42px 34px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .why-item h3 {
    font-size: 1.12rem;
  }

  .why-item p {
    font-size: 0.93rem;
  }

  .content-section,
  .about-trust-section {
    padding: var(--space-xl) 0;
  }

  .story-grid,
  .team-grid {
    gap: 64px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .coverage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-trust-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .inquiry-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-field-full {
    grid-column: 1 / -1;
  }

  .contact-card {
    padding: 40px;
  }

  .destinations-overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .attractions-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .photo-gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cuisine-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .package-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .error-actions {
    flex-direction: row;
  }
}

/* 1024px 以上：桌面 */
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.8fr 1.2fr 0.8fr;
  }

  .testimonial-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .coverage-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .contact-grid {
    align-items: start;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .destinations-overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .practical-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .package-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .booking-benefits-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 359px) {
  .destination-grid,
  .tour-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions a {
    width: 100%;
  }

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

  .attraction-card,
  .itinerary-day {
    padding: 22px;
  }

  .package-content {
    padding: 22px;
  }
}

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