/* =============================================
   青岛君爱悦出行服务有限公司 - 主样式
   主题：清新天空蓝 · 金色点缀 · 现代简约 · GEO友好
   ============================================= */

/* --- 基础 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --primary-bg: #eff6ff;
  --primary-bg-alt: #dbeafe;
  --secondary: #1e3a5f;
  --secondary-light: #334155;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --accent-bg: #fffbeb;
  --text: #1e293b;
  --text-light: #475569;
  --text-muted: #94a3b8;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
  --shadow: 0 4px 6px rgba(0,0,0,.04), 0 10px 24px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.06), 0 20px 50px rgba(0,0,0,.08);
  --shadow-primary: 0 4px 18px rgba(37,99,235,.2);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --transition-slow: .5s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text); background: var(--white);
  line-height: 1.7; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.gradient-text {
  background: linear-gradient(135deg, var(--primary), #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   按钮体系
   ============================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border-radius: 50px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; text-decoration: none; transition: var(--transition);
  white-space: nowrap; letter-spacing: .2px;
}
.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; box-shadow: var(--shadow-primary);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,.35); }
.btn--outline {
  background: transparent; border: 2px solid var(--primary); color: var(--primary);
}
.btn--outline:hover { background: var(--primary); color: white; }
.btn--ghost {
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); color: white;
}
.btn--ghost:hover { background: rgba(255,255,255,.25); }
.btn--large { padding: 15px 36px; font-size: 16px; }
.btn--sm { padding: 8px 18px; font-size: 13px; }

/* --- 区块标题 --- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-bg); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  padding: 7px 20px; border-radius: 50px; margin-bottom: 16px;
}
.section-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.section-title {
  font-size: clamp(28px,5vw,42px); font-weight: 900; color: var(--secondary);
  line-height: 1.25; margin-bottom: 16px;
}
.section-subtitle { font-size: 16px; color: var(--text-light); max-width: 520px; margin: 0 auto; }

/* =============================================
   导航 — 白色毛玻璃
   ============================================= */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.94); backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 20px;
}
.nav__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #06b6d4);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  color: white; box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.logo-block { display: flex; flex-direction: column; }
.logo-text { font-size: 20px; font-weight: 900; color: var(--secondary); letter-spacing: 1px; line-height: 1.1; }
.logo-sub { font-size: 11px; color: var(--text-muted); }
.nav__menu { display: flex; list-style: none; gap: 2px; }
.nav__link {
  color: var(--text-light); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 16px; border-radius: 8px; transition: var(--transition); position: relative;
}
.nav__link:hover { color: var(--primary); background: var(--primary-bg); }
.nav__link.active { color: var(--primary); font-weight: 700; }
.nav__actions { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
.nav__toggle {
  display: none; background: none; border: none; font-size: 24px; cursor: pointer;
  color: var(--text); padding: 8px;
}

/* =============================================
   Hero — 清新天空蓝渐变 + 白色大标题
   ============================================= */
.hero {
  min-height: 100vh; position: relative;
  background: linear-gradient(170deg, #eff6ff 0%, #dbeafe 30%, #bfdbfe 60%, #e0f2fe 100%);
  display: flex; flex-direction: column; padding-top: 72px; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; overflow: hidden; }
.hero__overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(37,99,235,.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(6,182,212,.04) 0%, transparent 50%);
}
.floating-shapes { position: absolute; inset: 0; }
.shape {
  position: absolute; border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(6,182,212,.04));
  animation: float 10s ease-in-out infinite;
}
.shape--1 { width: 600px; height: 600px; top: -180px; right: -140px; animation-delay: 0s; }
.shape--2 { width: 320px; height: 320px; bottom: 200px; left: -100px; animation-delay: 3.5s; }
.shape--3 { width: 200px; height: 200px; top: 30%; right: 20%; animation-delay: 6s; }
@keyframes float {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-35px) rotate(5deg); }
}

/* 海浪 SVG 底部 */
.hero-wave {
  position: absolute; bottom: -1px; left: 0; right: 0; z-index: 1;
  fill: var(--white);
}

.hero__content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  min-height: calc(100vh - 72px - 200px);
  padding: 80px 24px 60px;
}
.hero__text { max-width: 700px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-bg); border: 1px solid var(--primary-bg-alt);
  color: var(--primary); font-size: 13px; font-weight: 600;
  padding: 8px 20px; border-radius: 50px; margin-bottom: 28px;
}
.hero__badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

.hero__title {
  font-size: clamp(44px,7vw,76px); font-weight: 900;
  color: var(--secondary); line-height: 1.08; margin-bottom: 24px; letter-spacing: -1px;
}
.hero__subtitle { font-size: 17px; color: var(--text-light); margin-bottom: 44px; max-width: 520px; line-height: 1.9; }
.hero__stats { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; padding: 0 30px; }
.stat strong { font-size: 30px; font-weight: 900; color: var(--primary); }
.stat span { font-size: 12px; color: var(--text-muted); margin-top: 4px; letter-spacing: .5px; }
.stat-divider { width: 1px; height: 42px; background: var(--border); }
.stat:first-child { padding-left: 0; }

/* 预订搜索框 — 白色浮层 */
.booking-bar { position: relative; z-index: 2; padding: 0 24px 80px; }
.booking-card {
  background: var(--white); border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.04);
  overflow: hidden;
}
.booking-tabs { display: flex; background: var(--bg); }
.booking-tab {
  flex: 1; padding: 18px 12px; background: none; border: none;
  font-size: 15px; font-weight: 600; cursor: pointer; color: var(--text-muted);
  transition: var(--transition); position: relative;
}
.booking-tab.active { color: var(--primary); background: var(--white); }
.booking-tab.active::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 40px; height: 3px; border-radius: 3px; background: var(--primary);
}
.booking-form { display: flex; align-items: flex-end; gap: 16px; padding: 28px; flex-wrap: wrap; }
.booking-form .form-group { flex: 1; min-width: 150px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.form-control {
  width: 100%; padding: 12px 16px; border: 2px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit; outline: none;
  transition: var(--transition); background: var(--bg); color: var(--text);
}
.form-control:focus { border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 4px rgba(37,99,235,.1); }
.search-btn { min-width: 150px; height: 50px; font-size: 15px; }

/* =============================================
   特色条 — 中度蓝色横条
   ============================================= */
.features-strip {
  background: linear-gradient(135deg, var(--secondary), #2563eb);
  position: relative; overflow: hidden;
}
.features-strip::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.06), transparent 50%);
}
.features-strip__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); position: relative;
}
.feature-item {
  display: flex; align-items: center; gap: 16px; padding: 28px 32px;
  color: white; border-right: 1px solid rgba(255,255,255,.1);
  transition: var(--transition);
}
.feature-item:hover { background: rgba(255,255,255,.06); }
.feature-item:last-child { border-right: none; }
.feature-icon {
  font-size: 34px; width: 56px; height: 56px; border-radius: 14px;
  background: rgba(255,255,255,.1); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.feature-item strong { font-size: 15px; font-weight: 700; display: block; }
.feature-item p { font-size: 12px; color: rgba(255,255,255,.6); margin: 0; }

/* =============================================
   车型展示 — 卡片网格
   ============================================= */
.fleet { padding: 100px 0; background: var(--bg); }
.fleet-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 50px; }
.filter-btn {
  padding: 9px 22px; border-radius: 50px; font-size: 14px; font-weight: 600;
  border: 2px solid var(--border); background: var(--white); cursor: pointer;
  color: var(--text-light); transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--primary); color: var(--primary); background: var(--primary-bg);
  box-shadow: 0 2px 10px rgba(37,99,235,.12);
}
.fleet__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

/* 车型卡片 */
.car-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition-slow); position: relative;
}
.car-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg); border-color: transparent;
}
.car-card__badge {
  position: absolute; top: 14px; left: 14px; z-index: 1;
  font-size: 11px; font-weight: 700; padding: 5px 14px; border-radius: 50px;
  letter-spacing: .5px; background: var(--primary); color: white;
}
.car-card__badge.popular { background: var(--accent); }
.car-card__badge.new { background: #10b981; }
.car-card__img {
  height: 190px; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-bg), #e0e7ff);
  position: relative; overflow: hidden;
}
.car-card__img::after {
  content: ''; position: absolute; bottom: -20px; right: -20px;
  width: 100px; height: 100px; border-radius: 50%;
  background: rgba(37,99,235,.04);
}
.car-emoji { font-size: 76px; filter: drop-shadow(0 6px 14px rgba(37,99,235,.1)); }
.car-model-name { font-size: 13px; color: var(--text-light); margin-top: 8px; font-weight: 500; }
.car-card__body { padding: 20px 22px 22px; }
.car-card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.car-card__header h3 { font-size: 18px; font-weight: 700; }
.car-tag { font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 50px; }
.car-tag.economy { background: #ecfdf5; color: #059669; }
.car-tag.suv { background: #eff6ff; color: #2563eb; }
.car-tag.luxury { background: #fef2f2; color: #dc2626; }
.car-tag.mpv { background: #faf5ff; color: #7c3aed; }
.car-tag.ev { background: #ecfdf5; color: #0d9488; }
.car-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.car-specs span {
  font-size: 12px; color: var(--text-light); background: var(--bg);
  padding: 5px 12px; border-radius: 8px; font-weight: 500;
}
.car-card__footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 16px; }
.price { display: flex; align-items: baseline; gap: 3px; }
.price-amount { font-size: 26px; font-weight: 900; color: var(--primary); }
.price-unit { font-size: 13px; color: var(--text-muted); }
.fleet__more { text-align: center; margin-top: 50px; }
.car-card.hidden { display: none; }

/* =============================================
   旅游包车路线
   ============================================= */
.tours { padding: 100px 0; background: var(--white); }
.tours__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tour-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition-slow);
}
.tour-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.tour-card__header {
  height: 130px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.tour-card__header::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.15));
}
.tour--laoshan { background: linear-gradient(135deg, #15803d, #22c55e); }
.tour--city { background: linear-gradient(135deg, #1d4ed8, #3b82f6); }
.tour--coast { background: linear-gradient(135deg, #0e7490, #06b6d4); }
.tour--custom { background: linear-gradient(135deg, #7c3aed, #f59e0b); }
.tour-emoji { font-size: 54px; position: relative; z-index: 1; }
.tour-card__body { padding: 20px 22px 22px; }
.tour-card__body h3 { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.tour-route {
  display: flex; flex-wrap: wrap; align-items: center; gap: 5px;
  font-size: 12px; color: var(--text-light); margin-bottom: 14px;
}
.tour-route span:not(:nth-child(even)) { background: var(--bg); padding: 4px 10px; border-radius: 6px; }
.tour-route span:nth-child(even) { color: var(--primary); font-weight: 700; font-size: 11px; }
.tour-info { display: flex; gap: 16px; margin-bottom: 18px; }
.tour-info span { font-size: 12px; color: var(--text-muted); }
.tour-card__footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 16px; }

/* =============================================
   服务流程 — 带连接线
   ============================================= */
.process { padding: 100px 0; background: var(--bg); }
.process__steps {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0; flex-wrap: wrap; position: relative;
}
.process__step {
  flex: 1; min-width: 180px; max-width: 230px;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 30px 20px; position: relative;
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: var(--transition);
}
.process__step:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.step-number {
  font-size: 56px; font-weight: 900; color: var(--primary-bg);
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  line-height: 1; z-index: 0;
}
.step-icon {
  font-size: 44px; position: relative; z-index: 1;
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-bg), rgba(37,99,235,.06));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; border: 2px dashed var(--primary-bg);
}
.process__step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 1; }
.process__step p { font-size: 14px; color: var(--text-light); position: relative; z-index: 1; }
.process__arrow {
  font-size: 28px; color: var(--primary); opacity: .25;
  flex-shrink: 0; padding-top: 50px; margin: 0 -8px;
}

/* =============================================
   优势区域 — 双栏
   ============================================= */
.advantages { padding: 100px 0; background: linear-gradient(180deg, var(--white) 0%, #f0f9ff 50%, var(--white) 100%); }
.advantages__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.advantages__text .section-title { text-align: left; font-size: 40px; }
.advantages__text .section-tag { display: inline-block; }
.advantages__desc { font-size: 16px; color: var(--text-light); margin: 20px 0 28px; line-height: 1.85; }
.advantages__list { display: flex; flex-direction: column; gap: 18px; margin-bottom: 34px; }
.advantage-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white); padding: 16px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); transition: var(--transition);
}
.advantage-item:hover { box-shadow: var(--shadow); border-color: var(--primary-bg-alt); }
.advantage-icon {
  font-size: 22px; flex-shrink: 0; width: 44px; height: 44px;
  border-radius: 10px; background: #dcfce7; display: flex;
  align-items: center; justify-content: center;
}
.advantage-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.advantage-item p { font-size: 13px; color: var(--text-light); }

/* 右侧视觉 */
.advantages__visual { position: relative; height: 420px; }
.visual-card {
  position: absolute; background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.main-card {
  width: 280px; height: 280px; bottom: 0; right: 20px;
  flex-direction: column; gap: 18px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: none;
}
.visual-car { font-size: 88px; }
.rating-badge { text-align: center; }
.stars { color: var(--accent); font-size: 18px; margin-bottom: 6px; }
.rating-badge div:last-child { color: rgba(255,255,255,.75); font-size: 13px; }
.stat-card {
  flex-direction: column; gap: 6px; padding: 18px 22px;
  background: var(--white); border: 1px solid var(--border);
}
.stat-card--1 { width: 170px; top: 0; left: 0; }
.stat-card--2 { width: 150px; top: 80px; left: 60px; }
.stat-card--3 { width: 170px; top: 200px; left: -10px; }
.stat-num { font-size: 30px; font-weight: 900; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* =============================================
   用户评价 — 浅色背景重新设计
   ============================================= */
.testimonials {
  padding: 100px 0;
  background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
  position: relative; overflow: hidden;
}
.testimonials::before {
  content: '"'; position: absolute; top: -50px; left: 3%;
  font-size: 320px; font-weight: 900; color: rgba(37,99,235,.03);
  line-height: 1; font-family: Georgia, serif;
}
.testimonials .section-tag { background: var(--primary-bg); border: 1px solid var(--primary-bg-alt); color: var(--primary); }
.testimonials .section-tag::before { background: var(--primary); }
.testimonials .section-title { color: var(--secondary); }
.testimonials .section-subtitle { color: var(--text-light); }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; z-index: 1; }
.testimonial-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: var(--transition); position: relative;
  box-shadow: var(--shadow-sm);
}
.testimonial-card:hover {
  background: var(--white); transform: translateY(-4px);
  box-shadow: var(--shadow-lg); border-color: var(--primary-bg-alt);
}
.testimonial-card.featured {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: var(--primary-bg-alt);
}
.testimonial-card.featured::before {
  content: '精选'; position: absolute; top: 14px; right: 14px;
  font-size: 11px; font-weight: 700; color: var(--primary);
  background: var(--primary-bg); padding: 3px 10px; border-radius: 50px;
}
.testimonial-stars { color: var(--accent); font-size: 18px; margin-bottom: 16px; }
.testimonial-text { font-size: 14px; color: var(--text-light); line-height: 1.95; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #06b6d4);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 17px; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(37,99,235,.25);
}
.testimonial-author strong { color: var(--text); font-size: 15px; display: block; margin-bottom: 2px; }
.testimonial-author span { color: var(--text-muted); font-size: 12px; }

/* =============================================
   FAQ 常见问题 — GEO高权重区块
   ============================================= */
.faq { padding: 100px 0; background: var(--white); }
.faq__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  max-width: 960px; margin: 0 auto;
}
.faq-item {
  background: var(--bg); border-radius: var(--radius-sm);
  padding: 28px 30px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-bg-alt);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  font-size: 16px; font-weight: 700; color: var(--secondary);
  margin-bottom: 10px; display: flex; align-items: center; gap: 10px;
}
.faq-question::before {
  content: 'Q'; font-size: 13px; font-weight: 900;
  color: white; background: var(--primary);
  width: 24px; height: 24px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.faq-answer {
  font-size: 14px; color: var(--text-light); line-height: 1.8;
  padding-left: 34px;
}

/* =============================================
   联系我们
   ============================================= */
.contact { padding: 100px 0; background: var(--bg); }
.contact__layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.contact__info .section-title { text-align: left; font-size: 36px; }
.contact__info > p { color: var(--text-light); margin-bottom: 36px; font-size: 16px; }
.contact-items { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px; border-radius: var(--radius-sm); transition: var(--transition);
  border: 1px solid transparent;
}
.contact-item:hover { background: var(--white); border-color: var(--border); box-shadow: var(--shadow-sm); }
.contact-icon {
  font-size: 22px; width: 50px; height: 50px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-bg), rgba(37,99,235,.05));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item strong { font-size: 15px; font-weight: 700; display: block; margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--text-light); margin: 0; }

/* 联系表单 */
.contact__form {
  background: var(--white); padding: 44px; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.contact__form h3 { font-size: 22px; font-weight: 700; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact__form .form-group { margin-bottom: 18px; }
.contact__form .form-control { background: var(--bg); border-color: var(--border); }
.contact__form .form-control:focus { background: var(--white); }
textarea.form-control { resize: vertical; min-height: 100px; }

/* =============================================
   页脚 — 中度深色
   ============================================= */
.footer {
  background: linear-gradient(180deg, #1e293b, #0f172a);
  padding: 80px 0 0; color: rgba(255,255,255,.55);
}
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer__brand p { font-size: 14px; line-height: 1.85; margin-bottom: 22px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  padding: 7px 18px; border-radius: 50px; border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45); font-size: 13px; text-decoration: none;
  transition: var(--transition);
}
.social-link:hover { border-color: var(--primary-light); color: white; background: rgba(37,99,235,.15); }
.footer__links h4 { color: white; font-size: 15px; font-weight: 700; margin-bottom: 20px; }
.footer__links ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer__links a {
  color: rgba(255,255,255,.4); text-decoration: none; font-size: 14px;
  transition: var(--transition); position: relative;
}
.footer__links a:hover { color: var(--primary-light); padding-left: 4px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 28px 0; text-align: center;
}
.footer__bottom p { font-size: 13px; }
.footer__bottom a { color: rgba(255,255,255,.3); text-decoration: none; transition: var(--transition); }
.footer__bottom a:hover { color: var(--primary-light); }

/* =============================================
   面包屑 (GEO)
   ============================================= */
.breadcrumb {
  padding: 14px 0; font-size: 13px; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-muted); }

/* =============================================
   回顶部 & 弹窗
   ============================================= */
.back-to-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 999;
  width: 50px; height: 50px; border-radius: 50%; border: none;
  background: var(--primary); color: white; font-size: 22px;
  cursor: pointer; opacity: 0; transform: translateY(20px);
  transition: var(--transition); box-shadow: var(--shadow-primary);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 8px 28px rgba(37,99,235,.4); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.45); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: 24px; padding: 48px 40px;
  max-width: 440px; width: 90%; text-align: center; position: relative;
  transform: scale(.9); transition: var(--transition);
  box-shadow: 0 40px 100px rgba(0,0,0,.25);
}
.modal-overlay.active .modal { transform: scale(1); }
.modal-close {
  position: absolute; top: 18px; right: 22px;
  background: var(--bg); border: none; font-size: 18px; cursor: pointer;
  color: var(--text-light); width: 36px; height: 36px; border-radius: 50%;
  transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: #fee2e2; color: #dc2626; }
.modal-icon { font-size: 64px; margin-bottom: 16px; }
.modal-title { font-size: 24px; font-weight: 900; margin-bottom: 12px; }
.modal-desc { color: var(--text-light); margin-bottom: 28px; line-height: 1.8; }

/* =============================================
   入场动画
   ============================================= */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1024px) {
  .fleet__grid { grid-template-columns: repeat(2, 1fr); }
  .tours__grid { grid-template-columns: repeat(2, 1fr); }
  .faq__grid { grid-template-columns: 1fr; }
  .advantages__layout { grid-template-columns: 1fr; gap: 50px; }
  .advantages__visual { height: 300px; }
  .main-card { width: 220px; height: 220px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__menu, .nav__actions { display: none; }
  .nav__toggle { display: block; }
  .nav__menu.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--white); padding: 16px 20px; box-shadow: var(--shadow-lg); gap: 4px;
    border-bottom: 1px solid var(--border);
  }
  .nav__menu.open ~ .nav__actions { display: flex; padding: 0 20px 16px; width: 100%; }
  .hero__title { font-size: 38px; }
  .hero__stats { gap: 12px; }
  .stat { padding: 0 14px; }
  .stat-divider { display: none; }
  .booking-form { flex-direction: column; }
  .booking-form .form-group { min-width: 100%; }
  .search-btn { width: 100%; }
  .features-strip__grid { grid-template-columns: repeat(2,1fr); }
  .feature-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  .fleet__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .tours__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .process__steps { flex-direction: column; align-items: center; gap: 16px; }
  .process__arrow { transform: rotate(90deg); margin: -8px 0; padding-top: 0; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .contact__layout { grid-template-columns: 1fr; gap: 40px; }
  .section-title { font-size: 28px !important; }
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero__badge { font-size: 11px; padding: 6px 14px; }
  .hero__title { font-size: 30px; }
  .booking-tabs { flex-wrap: wrap; }
  .booking-tab { font-size: 13px; padding: 14px 8px; }
  .features-strip__grid { grid-template-columns: 1fr; }
  .logo-sub { display: none; }
  .advantages__visual { height: auto; display: flex; flex-wrap: wrap; gap: 12px; }
  .visual-card { position: static; flex: 1; min-width: 120px; }
  .main-card { width: 100%; height: 200px; }
}