/* ==========================================================================
   云途旅行 YunJourney · 全站共享样式表
   层级：1) 设计变量  2) 基础重置  3) 通用组件  4) 区块样式
        5) 各页面专属样式  6) 响应式适配  7) 动效降级
   ========================================================================== */

/* 1. 设计变量 ------------------------------------------------------------- */
:root {
  /* 配色 */
  --c-ink: #102b33;
  --c-primary: #0e7c7b;
  --c-primary-dark: #0a5e5d;
  --c-accent: #e8a13a;
  --c-accent-dark: #cf8a24;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f3ec;
  --c-bg-deep: #0e2a30;
  --c-text: #23373f;
  --c-text-muted: #5b717a;
  --c-border: #e2e6e3;
  --c-white: #ffffff;

  /* 字号（流式排版，移动端到桌面端平滑缩放） */
  --fs-hero: clamp(2rem, 5.2vw, 3.6rem);
  --fs-h2: clamp(1.6rem, 3.4vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.35rem);
  --fs-body: 1rem;

  /* 布局 */
  --container: 1180px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(16, 43, 51, 0.06);
  --shadow-md: 0 12px 32px rgba(16, 43, 51, 0.1);
  --shadow-lg: 0 22px 60px rgba(16, 43, 51, 0.18);
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 2. 基础重置 ------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  color: var(--c-ink);
  line-height: 1.25;
  font-weight: 700;
}

p { margin: 0 0 1em; }

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

a { color: var(--c-primary); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--c-primary-dark); }

ul { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid rgba(14, 124, 123, 0.45);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: rgba(232, 161, 58, 0.35); }

/* 3. 通用组件 ------------------------------------------------------------- */
.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--soft { background: var(--c-bg-soft); }

.section-head { max-width: 680px; margin: 0 auto clamp(32px, 5vw, 56px); text-align: center; }
.section-head p { color: var(--c-text-muted); margin: 0; }

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-primary);
}
.section-head .eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px; height: 2px;
  margin-left: 10px;
  vertical-align: middle;
  background: var(--c-accent);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn--primary { background: var(--c-accent); color: #3a2a08; }
.btn--primary:hover { background: var(--c-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.65); color: #fff; background: rgba(255, 255, 255, 0.08); }
.btn--ghost:hover { background: #fff; color: var(--c-ink); transform: translateY(-2px); }
.btn--outline { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn--outline:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }
.btn--block { width: 100%; justify-content: center; }
.btn--lg { padding: 16px 36px; font-size: 1.02rem; }

/* 标签徽章 */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(14, 124, 123, 0.1);
  color: var(--c-primary-dark);
}
.badge--gold { background: rgba(232, 161, 58, 0.16); color: #8a5a12; }

/* 滚动渐入动画（由 IntersectionObserver 添加 .is-visible） */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* 跳过导航链接（无障碍） */
.skip-link {
  position: absolute;
  left: 16px; top: -48px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--c-ink);
  color: #fff;
  border-radius: 8px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 14px; color: #fff; }

/* 4. 顶部导航 ------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--c-border); }

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

/* 品牌 Logo */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--c-ink); font-weight: 800; font-size: 1.18rem; letter-spacing: 0.02em; }
.brand:hover { color: var(--c-ink); }
.brand img { width: 34px; height: 34px; }
.brand small { display: block; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.28em; color: var(--c-primary); }

/* 导航菜单 */
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  display: block;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text);
}
.nav-menu a:hover { color: var(--c-primary); background: rgba(14, 124, 123, 0.08); }
.nav-menu a[aria-current="page"] { color: var(--c-primary); font-weight: 700; }
.nav-menu a[aria-current="page"]::after {
  content: "";
  display: block;
  width: 18px; height: 3px;
  margin: 3px auto 0;
  border-radius: 3px;
  background: var(--c-accent);
}
.nav-cta { margin-left: 10px; }
.nav-cta .btn { padding: 10px 22px; }

/* 汉堡按钮（移动端） */
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* 5. 首页 · 首屏轮播 ------------------------------------------------------ */
.hero { position: relative; height: min(92vh, 860px); min-height: 560px; overflow: hidden; }

.carousel { height: 100%; }
.carousel__track { height: 100%; }
.carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.carousel__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.carousel__slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: kenburns 9s var(--ease) both;
}
@keyframes kenburns {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.carousel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 28, 33, 0.55) 0%, rgba(10, 28, 33, 0.25) 45%, rgba(10, 28, 33, 0.72) 100%);
}

.carousel__caption {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}
.carousel__caption .eyebrow { color: var(--c-accent); }
.carousel__caption h1 {
  color: #fff;
  font-size: var(--fs-hero);
  max-width: 16em;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.35);
}
.carousel__caption p {
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(255, 255, 255, 0.92);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; }

/* 轮播控制按钮与圆点 */
.carousel__arrow {
  position: absolute;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 1.4rem;
  display: grid;
  place-items: center;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.carousel__arrow:hover { background: rgba(255, 255, 255, 0.34); }
.carousel__arrow--prev { left: clamp(14px, 3vw, 40px); }
.carousel__arrow--next { right: clamp(14px, 3vw, 40px); }

.carousel__dots {
  position: absolute;
  z-index: 3;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.carousel__dots button {
  width: 11px; height: 11px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  background: transparent;
  transition: all 0.25s var(--ease);
}
.carousel__dots button.is-active { width: 30px; border-radius: 6px; background: #fff; }

/* 首屏下方数据条 */
.hero-stats {
  position: relative;
  z-index: 4;
  margin-top: -56px;
}
.hero-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-stats__grid div {
  padding: 26px 20px;
  text-align: center;
  border-right: 1px solid var(--c-border);
}
.hero-stats__grid div:last-child { border-right: none; }
.hero-stats__grid strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--c-primary);
  line-height: 1.1;
}
.hero-stats__grid span { font-size: 0.88rem; color: var(--c-text-muted); }

/* 6. 特色服务 ------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px 26px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card .icon {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14, 124, 123, 0.12), rgba(232, 161, 58, 0.14));
  color: var(--c-primary);
}
.feature-card .icon svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: var(--fs-h3); }
.feature-card p { margin: 0; color: var(--c-text-muted); font-size: 0.94rem; }

/* 7. 目的地卡片（首页 & 目的地页通用） ------------------------------------ */
.dest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.dest-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.dest-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); color: inherit; }
.dest-card[hidden] { display: none; }

.dest-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.dest-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.dest-card:hover .dest-card__media img { transform: scale(1.07); }
.dest-card__media .badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.dest-card__body { padding: 22px 22px 24px; }
.dest-card__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--c-text-muted);
  margin-bottom: 8px;
}
.dest-card__meta svg { width: 15px; height: 15px; color: var(--c-primary); flex: none; }
.dest-card__body h3 { font-size: var(--fs-h3); margin-bottom: 6px; }
.dest-card__body p { margin: 0 0 14px; font-size: 0.92rem; color: var(--c-text-muted); }
.dest-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--c-border);
  padding-top: 14px;
}
.dest-card__price { font-size: 0.84rem; color: var(--c-text-muted); }
.dest-card__price strong { display: block; font-size: 1.15rem; color: var(--c-ink); }
.dest-card__more { font-weight: 600; font-size: 0.9rem; color: var(--c-primary); display: inline-flex; align-items: center; gap: 5px; }
.dest-card:hover .dest-card__more { gap: 9px; }
.dest-card__more { transition: gap 0.25s var(--ease); }

/* 目的地页筛选按钮 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-bar button {
  padding: 9px 22px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: #fff;
  color: var(--c-text);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.25s var(--ease);
}
.filter-bar button:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filter-bar button.is-active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* 8. 图文左右分栏（关于理念/CTA 区） -------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 4.4;
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__media .floating-chip {
  position: absolute;
  right: -10px; bottom: 26px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.split__media .floating-chip strong { display: block; font-size: 1.3rem; color: var(--c-primary); line-height: 1.1; }
.split__media .floating-chip span { font-size: 0.8rem; color: var(--c-text-muted); }

.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
  color: var(--c-text);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: rgba(14, 124, 123, 0.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e7c7b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* 9. 用户评价 ------------------------------------------------------------- */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial {
  padding: 30px 28px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}
.testimonial__stars { color: var(--c-accent); letter-spacing: 3px; margin-bottom: 12px; font-size: 0.95rem; }
.testimonial blockquote { margin: 0 0 20px; font-size: 0.96rem; color: var(--c-text); }
.testimonial figcaption { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testimonial figcaption img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.testimonial figcaption strong { display: block; color: var(--c-ink); font-size: 0.95rem; }
.testimonial figcaption span { font-size: 0.82rem; color: var(--c-text-muted); }

/* 10. CTA 横幅 ------------------------------------------------------------ */
.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: clamp(48px, 7vw, 84px) clamp(24px, 6vw, 80px);
  text-align: center;
  color: #fff;
  background: linear-gradient(rgba(14, 42, 48, 0.82), rgba(14, 42, 48, 0.82)),
    url("../images/photos/img-122.svg") center/cover no-repeat;
}
.cta-band h2 { color: #fff; font-size: var(--fs-h2); }
.cta-band p { color: rgba(255, 255, 255, 0.88); max-width: 36em; margin-inline: auto; }
.cta-band .hero-actions { justify-content: center; }

/* 11. 页脚 ---------------------------------------------------------------- */
.site-footer {
  background: var(--c-bg-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.site-footer .brand { color: #fff; margin-bottom: 16px; }
.site-footer .brand small { color: var(--c-accent); }
.footer-col h2 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.72); }
.footer-col a:hover { color: var(--c-accent); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; margin-top: 4px; color: var(--c-accent); flex: none; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.55);
}

/* 12. 子页面顶部横幅 ------------------------------------------------------- */
.page-hero {
  padding: calc(var(--header-h) + 64px) 0 72px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(12, 36, 42, 0.78), rgba(12, 36, 42, 0.7)),
    var(--page-hero-img, none) center/cover no-repeat;
  background-color: var(--c-bg-deep);
}
.page-hero h1 { color: #fff; font-size: var(--fs-hero); margin-bottom: 0.3em; }
.page-hero p { max-width: 40em; margin: 0 auto; color: rgba(255, 255, 255, 0.88); }
.breadcrumb { font-size: 0.85rem; color: rgba(255, 255, 255, 0.7); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--c-accent); }

/* 13. 关于页：时间线 / 团队 ------------------------------------------------ */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--c-primary), var(--c-accent));
}
.timeline__item { position: relative; margin-bottom: 34px; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -31px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--c-primary);
}
.timeline__item time,
.timeline__item .timeline-time { font-weight: 700; color: var(--c-primary); font-size: 0.9rem; }
.timeline__item h3 { margin: 4px 0 6px; }
.timeline__item p { margin: 0; color: var(--c-text-muted); }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.team-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.team-card__media { aspect-ratio: 1 / 1; overflow: hidden; }
.team-card__media img { width: 100%; height: 100%; object-fit: cover; }
.team-card__body { padding: 20px 16px 24px; }
.team-card__body h3 { margin-bottom: 2px; }
.team-card__body span { font-size: 0.86rem; color: var(--c-primary); font-weight: 600; }
.team-card__body p { margin: 10px 0 0; font-size: 0.88rem; color: var(--c-text-muted); }

/* 14. 联系页：表单 / 信息卡 / FAQ ------------------------------------------ */
.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.contact-cards { display: grid; gap: 18px; }
.contact-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.contact-card .icon {
  width: 46px; height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(14, 124, 123, 0.1);
  color: var(--c-primary);
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card h3 { font-size: 1rem; margin-bottom: 2px; }
.contact-card p { margin: 0; color: var(--c-text-muted); font-size: 0.92rem; word-break: break-all; }

.form-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  margin-bottom: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink);
}
.form-group label .req { color: #d4563f; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1.5px solid var(--c-border);
  border-radius: 10px;
  font: inherit;
  color: var(--c-text);
  background: #fdfdfc;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(14, 124, 123, 0.15);
  background: #fff;
}
.form-group input.is-invalid,
.form-group textarea.is-invalid { border-color: #d4563f; }
.field-error { display: none; margin-top: 6px; font-size: 0.82rem; color: #d4563f; }
.field-error.is-visible { display: block; }
.form-note {
  display: flex;
  gap: 9px;
  margin: 4px 0 20px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(232, 161, 58, 0.12);
  font-size: 0.84rem;
  color: #7a5414;
}
.form-note svg { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.form-status {
  display: none;
  margin-top: 16px;
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
}
.form-status.is-success { display: block; background: rgba(14, 124, 123, 0.1); color: var(--c-primary-dark); }
.form-status.is-error { display: block; background: rgba(212, 86, 63, 0.1); color: #b03e2b; }

/* FAQ 手风琴 */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-ink);
}
.faq-item__q .chev {
  flex: none;
  width: 22px; height: 22px;
  transition: transform 0.3s var(--ease);
  color: var(--c-primary);
}
.faq-item.is-open .faq-item__q .chev { transform: rotate(180deg); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq-item__a p { margin: 0; padding: 0 24px 22px; color: var(--c-text-muted); font-size: 0.94rem; }

/* 15. 简易地图替代（联系页底部装饰条） */
.contact-map {
  height: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(14, 42, 48, 0.55), rgba(14, 42, 48, 0.55)),
    url("../images/photos/img-123.svg") center/cover no-repeat;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
}
.contact-map h2 { color: #fff; }
.contact-map p { color: rgba(255, 255, 255, 0.9); margin-bottom: 18px; }

/* 16. 响应式适配 ----------------------------------------------------------- */

/* 平板（≤ 992px） */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .dest-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split__media { max-width: 520px; margin-inline: auto; width: 100%; }
  .contact-layout { grid-template-columns: 1fr; }
  .hero-stats__grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats__grid div:nth-child(2) { border-right: none; }
  .hero-stats__grid div:nth-child(-n+2) { border-bottom: 1px solid var(--c-border); }
}

/* 移动端导航展开（≤ 768px） */
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 6%;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), visibility 0.3s;
  }
  .nav-menu.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav-menu a { padding: 13px 16px; border-radius: 10px; }
  .nav-menu a[aria-current="page"]::after { display: none; }
  .nav-cta { margin: 8px 0 4px; }
  .nav-cta .btn { width: 100%; justify-content: center; }

  .dest-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .team-grid { grid-template-columns: 1fr; max-width: 380px; margin-inline: auto; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .carousel__arrow { width: 42px; height: 42px; }
  .hero-stats { margin-top: -40px; }
}

/* 小屏手机（≤ 480px） */
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-stats__grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .section { padding: 52px 0; }
  .split__media .floating-chip { right: 8px; padding: 12px 16px; }
}

/* 17. 动效降级与高对比模式 ------------------------------------------------- */
@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;
  }
  .reveal { opacity: 1; transform: none; }
  .carousel__slide img { animation: none; }
}

/* 强制高对比模式下的边框补强 */
@media (prefers-contrast: more) {
  .btn { border-color: currentColor; }
  .dest-card, .feature-card, .form-card { border-width: 2px; }
}