/* ==========================================================================
   Silk Road Horizon — Xinjiang Private Tours & Charters
   主样式表 / Main stylesheet
   修改配色只需改下方 :root 变量
   ========================================================================== */

:root {
  /* 品牌色 */
  --teal:        #0E5C63;
  --teal-deep:   #073A40;
  --teal-soft:   #E4F0F0;
  --gold:        #C39A3E;
  --gold-soft:   #EAD08A;
  --clay:        #B85C38;
  --clay-soft:   #F7E9E0;

  /* 中性色 */
  --ink:         #16232B;
  --ink-soft:    #53666F;
  --ink-faint:   #8A9AA2;
  --sand:        #FBF8F3;
  --paper:       #FFFFFF;
  --line:        #E8E0D4;

  /* 尺寸 */
  --wrap:        1200px;
  --radius:      6px;
  --radius-lg:   14px;
  --shadow-sm:   0 1px 2px rgba(22,35,43,.06), 0 4px 14px rgba(22,35,43,.06);
  --shadow-md:   0 8px 30px rgba(22,35,43,.12);
  --shadow-lg:   0 20px 60px rgba(22,35,43,.18);

  /* 字体 */
  --serif: 'Playfair Display', 'Noto Serif SC', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', Roboto, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--sand);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.18; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
input, select, textarea { font-family: inherit; font-size: 16px; }

/* ---------- 通用布局 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--sand { background: var(--sand); }
.section--paper { background: var(--paper); }
.section--deep { background: var(--teal-deep); color: #EAF3F3; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--gold); }
.section--deep .eyebrow { color: var(--gold-soft); }
.section--deep .eyebrow::before { background: var(--gold-soft); }

.h-display { font-size: clamp(34px, 5vw, 58px); }
.h-section { font-size: clamp(28px, 3.4vw, 42px); }
.lede { font-size: 17px; color: var(--ink-soft); max-width: 62ch; margin-top: 16px; }
.section--deep .lede { color: #A9C4C7; }

.section-head { margin-bottom: 48px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; letter-spacing: .02em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-deep); box-shadow: var(--shadow-md); }
.btn--gold { background: var(--gold); color: #23180A; box-shadow: var(--shadow-sm); }
.btn--gold:hover { background: var(--gold-soft); box-shadow: var(--shadow-md); }
.btn--ghost { border: 1px solid rgba(255,255,255,.55); color: #fff; backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255,255,255,.14); }
.btn--outline { border: 1px solid var(--line); color: var(--ink); background: var(--paper); }
.btn--outline:hover { border-color: var(--teal); color: var(--teal); }
.btn--lg { padding: 16px 34px; font-size: 15px; }
.btn--block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 16px 0; transition: background .3s ease, padding .3s ease, box-shadow .3s ease;
}
.nav.is-solid {
  background: rgba(255,255,255,.94); backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(22,35,43,.06);
  padding: 10px 0;
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand__mark {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 9px;
  background: linear-gradient(140deg, var(--gold) 0%, #8E6A1F 100%);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 17px;
  font-family: var(--serif);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: .01em; color: #fff; }
.brand__tag { font-size: 9.5px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.72); }
.nav.is-solid .brand__name { color: var(--ink); }
.nav.is-solid .brand__tag { color: var(--ink-faint); }

.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__link {
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,.9);
  position: relative; padding: 4px 0; transition: color .2s ease;
  white-space: nowrap;
}
.nav__link::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 0;
  background: var(--gold); transition: width .25s ease;
}
.nav__link:hover::after { width: 100%; }
/* 这个入口只在移动端菜单里出现（桌面端用右上角的金色按钮） */
.nav__link--quote { display: none; }
.nav.is-solid .nav__link { color: var(--ink-soft); }
.nav.is-solid .nav__link:hover { color: var(--teal); }

.nav__right { display: flex; align-items: center; gap: 16px; }
.nav__tel { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.9); white-space: nowrap; }
/* 俄语/德语导航文字长：收紧间距防换行，再放不下就藏号码 */
html[lang="ru"] .nav__inner, html[lang="de"] .nav__inner { gap: 18px; }
html[lang="ru"] .nav__links, html[lang="de"] .nav__links { gap: 20px; }
@media (max-width: 1180px) {
  html[lang="ru"] .nav__tel, html[lang="de"] .nav__tel { display: none; }
}
.nav.is-solid .nav__tel { color: var(--ink); }
.nav__burger {
  display: none; width: 40px; height: 40px; border-radius: 8px;
  place-items: center; color: #fff;
}
.nav.is-solid .nav__burger { color: var(--ink); }
.nav__burger span { display: block; width: 19px; height: 1.8px; background: currentColor; position: relative; }
.nav__burger span::before, .nav__burger span::after {
  content: ''; position: absolute; left: 0; width: 19px; height: 1.8px; background: currentColor;
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: 140px 0 72px; overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center 62%; }
.hero__media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7,25,30,.72) 0%, rgba(7,25,30,.34) 34%, rgba(7,25,30,.62) 72%, rgba(7,25,30,.9) 100%),
    radial-gradient(1200px 600px at 15% 80%, rgba(14,92,99,.45), transparent 70%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__content { max-width: 760px; }
.hero h1 { color: #fff; font-size: clamp(38px, 6.2vw, 74px); line-height: 1.05; }
.hero h1 em { font-style: italic; color: var(--gold-soft); }
.hero__sub {
  color: rgba(255,255,255,.9); font-size: clamp(16px, 1.6vw, 19px);
  max-width: 58ch; margin-top: 22px; line-height: 1.7;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 28px; margin-top: 42px;
  padding-top: 26px; border-top: 1px solid rgba(255,255,255,.2);
}
.hero__meta-item { color: #fff; }
.hero__meta-item b { display: block; font-family: var(--serif); font-size: 26px; line-height: 1.1; }
.hero__meta-item span { font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.66); }

/* 描金信任徽章 —— 老板统一对外口径：正规营运车 · 零购物 · 官方合同 */
.badges {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px;
}
.badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 18px 10px 15px; border-radius: 100px;
  background: linear-gradient(180deg, rgba(255,255,255,.13), rgba(255,255,255,.05));
  border: 1px solid rgba(234,208,138,.65);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22), 0 6px 20px rgba(0,0,0,.18);
  color: #FDF6E3; font-size: 12.5px; font-weight: 600; letter-spacing: .055em; text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.badge svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--gold-soft); }

/* Hero 底部搜索/询价条 */
.hero__strip {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  background: rgba(9,62,67,.55); backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero__strip-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px 0; flex-wrap: wrap;
}
.hero__strip-text { color: #fff; font-size: 14px; }
.hero__strip-text b { font-family: var(--serif); font-size: 17px; }
.hero__strip-note { color: rgba(255,255,255,.7); font-size: 12.5px; }

/* ---------- 信任条 ---------- */
.trustbar { background: var(--teal-deep); color: #D8E8E9; padding: 22px 0; }
.trustbar__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.trustbar__item { display: flex; align-items: flex-start; gap: 12px; }
.trustbar__item svg { width: 21px; height: 21px; color: var(--gold-soft); flex-shrink: 0; margin-top: 2px; }
.trustbar__item b { display: block; font-size: 13.5px; color: #fff; }
.trustbar__item span { font-size: 12px; color: #93B3B6; line-height: 1.5; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 线路卡 ---------- */
.tour {
  background: var(--paper); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s ease;
  border: 1px solid var(--line);
}
.tour:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.tour__media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--teal-soft); }
.tour__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.3,1); }
.tour:hover .tour__media img { transform: scale(1.06); }
.tour__days {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255,255,255,.95); color: var(--ink);
  padding: 6px 13px; border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  box-shadow: 0 3px 12px rgba(0,0,0,.16);
}
.tour__flag {
  position: absolute; top: 14px; right: 14px;
  background: var(--clay); color: #fff; padding: 6px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
}
.tour__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.tour__route {
  font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 9px;
}
.tour h3 { font-size: 21px; line-height: 1.28; }
.tour__desc { font-size: 14px; color: var(--ink-soft); margin-top: 11px; flex: 1; }
.tour__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag {
  font-size: 11.5px; padding: 4px 10px; border-radius: 100px;
  background: var(--teal-soft); color: var(--teal); font-weight: 500;
}
.tour__foot {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
}
.tour__price span { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.tour__price b { font-family: var(--serif); font-size: 25px; color: var(--teal); line-height: 1.1; }
.tour__price i { font-size: 12.5px; font-style: normal; color: var(--ink-faint); }

/* ---------- 包车区块 ---------- */
.charter { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.charter__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.charter__media img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.charter__floater {
  position: absolute; left: 18px; bottom: 18px; right: 18px;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-radius: 10px; padding: 16px 18px; box-shadow: var(--shadow-md);
}
.charter__floater b { font-family: var(--serif); font-size: 22px; color: var(--teal); }
.charter__floater span { font-size: 12.5px; color: var(--ink-soft); display: block; }

.includes { display: grid; gap: 13px; margin-top: 26px; }
.includes li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink-soft); align-items: flex-start; }
.includes svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }

.specgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 28px; }
.spec {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px;
}
.spec b { display: block; font-size: 13px; color: var(--ink); }
.spec span { font-size: 12px; color: var(--ink-faint); }

/* ---------- 特产区块 ---------- */
.shop { background: var(--paper); }
.product {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--paper); display: flex; flex-direction: column;
  transition: box-shadow .3s ease, transform .3s ease;
}
.product:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--clay-soft); }
.product__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.product:hover .product__media img { transform: scale(1.07); }
.product__body { padding: 20px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.product__origin { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--clay); font-weight: 600; }
.product h3 { font-size: 18px; margin-top: 6px; }
.product p { font-size: 13.5px; color: var(--ink-soft); margin-top: 9px; flex: 1; }
.product__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); }
.product__price { font-family: var(--serif); font-size: 19px; color: var(--ink); }
.product__price i { font-size: 12px; font-style: normal; color: var(--ink-faint); }
.link-arrow { font-size: 13px; font-weight: 600; color: var(--teal); display: inline-flex; align-items: center; gap: 6px; }
.link-arrow::after { content: '→'; transition: transform .2s ease; }
.link-arrow:hover::after { transform: translateX(4px); }

.notice {
  margin-top: 26px; padding: 16px 20px; border-radius: var(--radius);
  background: var(--clay-soft); border-left: 3px solid var(--clay);
  font-size: 13.5px; color: #6B3A22; display: flex; gap: 12px;
}
.notice svg { width: 19px; height: 19px; flex-shrink: 0; margin-top: 2px; color: var(--clay); }

/* ---------- Why us ---------- */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.why__item { padding: 30px 26px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.11); border-radius: var(--radius-lg); }
.why__item svg { width: 27px; height: 27px; color: var(--gold-soft); }
.why__item h3 { font-size: 18px; color: #fff; margin-top: 18px; }
.why__item p { font-size: 14px; color: #9FBCC0; margin-top: 10px; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: s; }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--line); }
.step::before {
  counter-increment: s; content: '0' counter(s);
  position: absolute; top: -15px; left: 0;
  font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--gold);
  background: var(--sand); padding-right: 12px;
}
.step h3 { font-size: 17px; }
.step p { font-size: 13.5px; color: var(--ink-soft); margin-top: 9px; }

/* ---------- FAQ ---------- */
.faq__list { max-width: 880px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; display: flex; align-items: flex-start; justify-content: space-between; gap: 22px;
  padding: 22px 0; text-align: left; font-size: 16.5px; font-weight: 600; color: var(--ink);
  font-family: var(--sans);
}
.faq__q:hover { color: var(--teal); }
.faq__q i {
  flex-shrink: 0; width: 22px; height: 22px; position: relative; margin-top: 3px;
}
.faq__q i::before, .faq__q i::after {
  content: ''; position: absolute; background: var(--gold); transition: transform .25s ease;
}
.faq__q i::before { top: 10px; left: 0; width: 22px; height: 2px; }
.faq__q i::after { top: 0; left: 10px; width: 2px; height: 22px; }
.faq__item.is-open .faq__q i::after { transform: scaleY(0); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq__a > div { padding: 0 0 24px; font-size: 14.5px; color: var(--ink-soft); max-width: 74ch; }
.faq__item.is-open .faq__a { max-height: 520px; }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  padding: 74px 60px; text-align: center;
  background: linear-gradient(135deg, var(--teal-deep) 0%, var(--teal) 100%);
}
.cta::before {
  content: ''; position: absolute; inset: 0; opacity: .22;
  background-image:
    radial-gradient(circle at 20% 25%, var(--gold-soft) 0, transparent 42%),
    radial-gradient(circle at 82% 78%, var(--gold) 0, transparent 44%);
}
.cta > * { position: relative; }
.cta h2 { color: #fff; font-size: clamp(26px, 3.4vw, 40px); }
.cta p { color: #B8D2D5; margin-top: 16px; max-width: 60ch; margin-left: auto; margin-right: auto; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }

/* ---------- Footer ---------- */
.footer { background: #0B1F24; color: #8FA9AD; padding: 66px 0 28px; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; }
.footer h4 { color: #fff; font-family: var(--sans); font-size: 12px; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 18px; }
.footer a:hover { color: var(--gold-soft); }
.footer__list li { margin-bottom: 11px; }
.footer__brand-blurb { margin-top: 18px; max-width: 34ch; line-height: 1.7; font-size: 13.5px; }
.footer__bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.09);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: #6E878B;
}
.contact-line { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: #C9DADD; }
.contact-line svg { width: 17px; height: 17px; color: var(--gold-soft); flex-shrink: 0; }

/* ---------- 悬浮沟通按钮 ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
  /* 首屏不出现：避免压住 Hero 底部的询价条 */
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .35s ease, transform .35s ease, visibility .35s;
}
.float-cta.is-on { opacity: 1; visibility: visible; transform: none; }
.float-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px; border-radius: 100px; font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow-lg); transition: transform .2s ease;
  background: #25D366; color: #fff;
}
.float-btn:hover { transform: scale(1.04); }
.float-btn--mail { background: var(--teal); }
.float-btn svg { width: 19px; height: 19px; }
.float-btn span { display: inline; }

/* ---------- 询价表单页 ---------- */
.form-hero {
  padding: 150px 0 60px; position: relative; overflow: hidden;
  background: linear-gradient(140deg, var(--teal-deep), var(--teal) 78%);
}
.form-hero h1 { color: #fff; }
.form-hero p { color: #B8D2D5; margin-top: 16px; max-width: 62ch; }

.formcard {
  background: var(--paper); border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 40px; border: 1px solid var(--line);
}
.field { margin-bottom: 22px; }
.field > label {
  display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px;
}
.field .hint { font-size: 12px; color: var(--ink-faint); font-weight: 400; text-transform: none; letter-spacing: 0; }
.input, .select, .textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--sand); color: var(--ink); transition: border-color .2s ease, background .2s ease;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--teal); background: #fff;
  box-shadow: 0 0 0 3px rgba(14,92,99,.1);
}
.textarea { min-height: 116px; resize: vertical; }
.field-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field-row--3 { grid-template-columns: repeat(3, 1fr); }

.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  padding: 9px 16px; border-radius: 100px; border: 1px solid var(--line);
  background: var(--sand); font-size: 13.5px; color: var(--ink-soft);
  transition: all .18s ease; user-select: none;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }
.chip.is-on { background: var(--teal); border-color: var(--teal); color: #fff; }

.form__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.form__actions .btn { flex: 1 1 200px; }

.form-note {
  margin-top: 20px; font-size: 12.5px; color: var(--ink-faint);
  display: flex; gap: 9px; align-items: flex-start;
}
.form-note svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 3px; color: var(--gold); }

.aside-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.aside-card + .aside-card { margin-top: 20px; }
.aside-card h3 { font-size: 17px; }
.aside-card ul { margin-top: 14px; }
.aside-card li { display: flex; gap: 11px; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 12px; align-items: flex-start; }
.aside-card li svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }

/* 询价摘要预览 */
.summary {
  background: #0F2C31; color: #C9DADD; border-radius: var(--radius);
  padding: 18px; font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace;
  font-size: 12.5px; line-height: 1.75; white-space: pre-wrap; word-break: break-word;
  max-height: 300px; overflow: auto;
}
.summary:empty { display: none; }

.owner-panel {
  margin-top: 34px; border: 1px dashed var(--gold); border-radius: var(--radius);
  padding: 20px; background: #FFFCF3;
}
.owner-panel h4 { font-family: var(--sans); font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); }
.inq-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 12.5px; }
.inq-table th, .inq-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.inq-table th { color: var(--ink-soft); font-weight: 600; }
.empty-state { font-size: 13px; color: var(--ink-faint); margin-top: 12px; }

/* ---------- 滚动淡入 ----------
   渐进增强：只有 JS 正常运行时才隐藏元素。
   JS 被禁用 / 加载失败时，内容默认可见 —— 不会出现整页空白。 */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal[data-d="1"] { transition-delay: .08s; }
.js .reveal[data-d="2"] { transition-delay: .16s; }
.js .reveal[data-d="3"] { transition-delay: .24s; }
.js .reveal[data-d="4"] { transition-delay: .32s; }
.js .reveal[data-d="5"] { transition-delay: .4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 26px; }
  .why { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .charter { grid-template-columns: 1fr; gap: 40px; }
  .trustbar__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .section { padding: 68px 0; }
  .nav__links {
    position: fixed; inset: 0 0 auto 0; top: 0; padding: 92px 24px 30px;
    background: rgba(255,255,255,.98); backdrop-filter: blur(14px);
    flex-direction: column; align-items: flex-start; gap: 4px;
    transform: translateY(-104%); transition: transform .34s cubic-bezier(.2,.7,.3,1);
    box-shadow: var(--shadow-lg);
  }
  .nav__links.is-open { transform: none; }
  .nav__links .nav__link { color: var(--ink) !important; font-size: 17px; padding: 13px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav__links .nav__link--quote { display: block; }
  .nav__burger { display: grid; }
  .nav__tel { display: none; }
  /* 窄屏收起右上角按钮，把入口放进汉堡菜单，避免品牌名折行 */
  .nav__right > .btn { display: none; }
  /* !important 用于覆盖 HTML 里的内联 grid-template-columns（询价页表单栏） */
  .grid, .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr !important; }
  .steps, .why { grid-template-columns: 1fr; }
  .specgrid, .field-row, .field-row--3 { grid-template-columns: 1fr; }
  /* .hero 是 flex 容器：窄屏必须改成纵向排列，
     否则底部的询价条会变成并排的 flex 项、与正文重叠 */
  .hero { min-height: auto; padding: 118px 0 58px; flex-direction: column; align-items: stretch; }
  .hero__strip { position: static; margin-top: 40px; background: rgba(9,62,67,.6); }
  .hero__strip-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .hero__meta { gap: 20px 26px; }
  .formcard { padding: 26px 20px; }
  .cta { padding: 52px 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .float-btn span { display: none; }
  .float-btn { padding: 15px; }
  .trustbar__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .js .reveal, .reveal { opacity: 1 !important; transform: none !important; }
}

/* ==========================================================================
   多语言：切换器 / 提示条 / 中文排版
   ========================================================================== */

/* 语言包就位前先藏一帧，避免英文闪一下。
   HTML head 里有 2.5s 兜底：脚本万一没跑起来也会自动放开，不会白屏 */
html.lang-loading body { visibility: hidden; }

.langsw { position: relative; flex: none; }
.langsw__btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 34px; padding: 0 10px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.34); background: rgba(255,255,255,.08);
  color: #fff; font: 600 12px/1 var(--sans); letter-spacing: .04em; cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.langsw__btn:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.16); }
.langsw__btn svg { width: 15px; height: 15px; }
.langsw__caret { width: 12px; height: 12px; opacity: .8; transition: transform .2s ease; }
.langsw__cur { min-width: 24px; text-align: center; }
.langsw.is-open .langsw__caret { transform: rotate(180deg); }
.nav.is-solid .langsw__btn { color: var(--ink); border-color: var(--line); background: #fff; }
.nav.is-solid .langsw__btn:hover { border-color: var(--teal); }

.langsw__menu {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 60;
  min-width: 180px; padding: 6px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.langsw.is-open .langsw__menu { opacity: 1; visibility: visible; transform: none; }
.langsw__opt {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 10px; border: 0; border-radius: 8px; background: none;
  font: 500 13.5px/1.3 var(--sans); color: var(--ink); text-align: left; cursor: pointer;
}
.langsw__opt:hover { background: var(--sand); }
.langsw__opt.is-on { color: var(--teal); font-weight: 700; background: rgba(14,92,99,.07); }
.langsw__code {
  flex: none; min-width: 30px; font: 700 11px/1 var(--sans); letter-spacing: .04em;
  color: var(--ink-faint); text-transform: uppercase;
}
.langsw__opt.is-on .langsw__code { color: var(--teal); }

/* 汉堡菜单里那份：桌面隐藏，窄屏才显示 */
.nav__links .langsw--inline { display: none; }

/* 按浏览器语言自动切换时的提示条 */
.langtoast {
  position: fixed; left: 50%; bottom: 26px; z-index: 120;
  transform: translate(-50%, 14px); opacity: 0;
  display: flex; align-items: center; gap: 12px;
  max-width: calc(100vw - 32px); padding: 12px 14px;
  background: #08343A; color: #fff; border-radius: 12px;
  box-shadow: var(--shadow-lg);
  font: 500 13.5px/1.4 var(--sans);
  transition: opacity .24s ease, transform .24s ease;
}
.langtoast.is-in { opacity: 1; transform: translate(-50%, 0); }
.langtoast__msg { flex: 1 1 auto; }
.langtoast__btn {
  flex: none; border: 0; background: none; cursor: pointer;
  color: var(--gold-soft); font: 700 13px/1 var(--sans); text-decoration: underline;
  text-underline-offset: 3px; padding: 4px 2px;
}
.langtoast__x {
  flex: none; width: 24px; height: 24px; border: 0; border-radius: 6px;
  background: rgba(255,255,255,.12); color: #fff; font-size: 16px; line-height: 1; cursor: pointer;
}

/* 中文版：标题改无衬线黑体（衬线体没有可用的中文 Web 字体，会掉进系统宋体） */
html[lang^="zh"] h1, html[lang^="zh"] h2, html[lang^="zh"] h3, html[lang^="zh"] h4,
html[lang^="zh"] .h-display, html[lang^="zh"] .brand__name,
html[lang^="zh"] .hero__meta-item b, html[lang^="zh"] .tour__price b,
html[lang^="zh"] .charter__floater b, html[lang^="zh"] .product__price,
html[lang^="zh"] .hero__strip-text b {
  font-family: var(--sans); font-weight: 700; letter-spacing: 0;
}
html[lang^="zh"] body { line-height: 1.78; }
html[lang^="zh"] .hero__sub, html[lang^="zh"] .lede { letter-spacing: .01em; }

@media (max-width: 820px) {
  /* 窄屏：右上角切换器收起，改在汉堡菜单里排成三列 */
  .nav__right > .langsw { display: none; }
  .nav__links .langsw--inline { display: block; width: 100%; margin-top: 16px; }
  .langsw--inline .langsw__btn { display: none; }
  .langsw--inline .langsw__menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
    box-shadow: none; border: 0; background: none; padding: 0; min-width: 0;
  }
  .langsw--inline .langsw__opt {
    justify-content: center; border: 1px solid var(--line); background: #fff; padding: 11px 6px;
  }
  .langsw--inline .langsw__code { display: none; }
  .langtoast { bottom: 84px; }
}
