/* ============================================
   新疆问疆行国际旅行社 — 全局样式
   江南水墨风格 · 青绿主色
   GEO 规范已适配
   ============================================ */

:root {
  /* 色彩系统 - 江南水墨 */
  --ink-green:    #4a7c59;
  --ink-dark:     #2d5016;
  --ink-light:    #7aa87e;
  --ink-pale:     #dce8db;
  --rice-paper:   #faf6f0;
  --rice-dark:    #f0ebe0;
  --text-main:    #3a3a3a;
  --text-light:   #7a7a7a;
  --gold:         #b8914d;
  --gold-light:   #d4b872;
  --white:        #ffffff;
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.12);
  --radius:       10px;
  --nav-height:   72px;
  --font-heading: 'Noto Serif SC', serif;
  --font-body:    'Noto Sans SC', sans-serif;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--rice-paper);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.4; }

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

/* ===== 导航栏 Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(250, 246, 240, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(74, 124, 89, 0.12);
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.navbar .logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--ink-dark);
}
.navbar .logo .logo-icon {
  width: 40px; height: 40px; background: var(--ink-green); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.2rem;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 8px 14px; border-radius: 6px; font-size: 0.9rem;
  color: var(--text-main); transition: var(--transition); white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { background: var(--ink-pale); color: var(--ink-green); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--ink-dark); cursor: pointer; padding: 8px; }

/* ===== 页面顶部间距 ===== */
.page-header { padding-top: calc(var(--nav-height) + 40px); padding-bottom: 40px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px;
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 500; border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--ink-green); color: var(--white); }
.btn-primary:hover { background: var(--ink-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(74,124,89,0.3); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: #a07d3e; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(184,145,77,0.3); }
.btn-outline { background: transparent; color: var(--ink-green); border: 1.5px solid var(--ink-green); }
.btn-outline:hover { background: var(--ink-pale); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ===== 卡片 ===== */
.card {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 20px; }
.card-title { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 8px; color: var(--ink-dark); }
.card-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* ===== Section ===== */
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2rem; color: var(--ink-dark); margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--text-light); margin-bottom: 48px; font-size: 1rem; }
.section-title::after {
  content: ''; display: block; width: 60px; height: 3px;
  background: var(--gold); margin: 16px auto 0; border-radius: 2px;
}

/* ===== 网格 ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== Hero Banner 轮播 ===== */
.hero-carousel {
  position: relative; margin-top: var(--nav-height); height: 520px; overflow: hidden;
}
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease; display: flex; align-items: center; }
.hero-slide.active { opacity: 1; }
.hero-slide .slide-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(0.65);
}
.hero-slide .slide-content {
  position: relative; z-index: 2; color: var(--white); max-width: 600px; padding-left: 60px;
}
.hero-slide .slide-content h1 { font-size: 2.8rem; margin-bottom: 16px; text-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.hero-slide .slide-content p { font-size: 1.15rem; opacity: 0.9; margin-bottom: 28px; text-shadow: 0 1px 6px rgba(0,0,0,0.3); }
.carousel-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.carousel-dots button { width: 12px; height: 12px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.6); background: transparent; cursor: pointer; transition: var(--transition); }
.carousel-dots button.active { background: var(--white); border-color: var(--white); }

/* ===== 品牌标签 Brand Badges ===== */
.brand-badges { display: flex; gap: 30px; flex-wrap: wrap; justify-content: center; padding: 30px 0; }
.brand-badge { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }
.brand-badge .badge-icon { width: 48px; height: 48px; border-radius: 50%; background: var(--ink-pale); display: flex; align-items: center; justify-content: center; color: var(--ink-green); font-size: 1.3rem; }
.brand-badge .badge-text strong { display: block; color: var(--ink-dark); }
.brand-badge .badge-text span { color: var(--text-light); font-size: 0.85rem; }

/* ===== 优势卡片 Advantages ===== */
.advantage-card { text-align: center; padding: 36px 24px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition); }
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.advantage-card .adv-icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--ink-pale); display: flex; align-items: center; justify-content: center; color: var(--ink-green); font-size: 1.6rem; }
.advantage-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--ink-dark); }
.advantage-card p { font-size: 0.9rem; color: var(--text-light); }

/* ===== 流程步骤 Step ===== */
.steps { display: flex; justify-content: center; padding: 40px 0; }
.step-item { flex: 1; text-align: center; position: relative; max-width: 180px; }
.step-item .step-number {
  width: 48px; height: 48px; border-radius: 50%; background: var(--ink-green); color: var(--white);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 700;
  margin: 0 auto 12px; position: relative; z-index: 2;
}
.step-item .step-number.completed { background: var(--gold); }
.step-item::before {
  content: ''; position: absolute; top: 24px; left: 60%; right: -40%;
  height: 2px; background: var(--ink-pale); z-index: 1;
}
.step-item:last-child::before { display: none; }
.step-item h4 { font-size: 0.95rem; color: var(--ink-dark); margin-bottom: 4px; }
.step-item p { font-size: 0.8rem; color: var(--text-light); }

/* ===== 价格标签 ===== */
.price { color: #d4380d; font-weight: 700; font-size: 1.2rem; }
.price small { font-size: 0.8rem; font-weight: 400; color: var(--text-light); }
.original-price { text-decoration: line-through; color: var(--text-light); font-size: 0.85rem; margin-left: 8px; }

/* ===== 标签 Tags ===== */
.tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 500; }
.tag-green { background: var(--ink-pale); color: var(--ink-dark); }
.tag-gold { background: #fdf6e3; color: var(--gold); }

/* ===== 星级 Stars ===== */
.stars { color: #f5a623; font-size: 0.9rem; letter-spacing: 2px; }

/* ===== 底部 Footer ===== */
footer { background: var(--ink-dark); color: rgba(255,255,255,0.85); padding: 60px 0 30px; }
footer .grid-4 { gap: 40px; }
footer h4 { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 16px; color: var(--white); }
footer a { color: rgba(255,255,255,0.7); font-size: 0.9rem; display: block; margin-bottom: 8px; transition: var(--transition); }
footer a:hover { color: var(--gold-light); }
footer .footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* ===== 筛选栏 Filter Bar ===== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; padding: 20px;
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-bottom: 32px; align-items: center;
}
.filter-bar label { font-size: 0.9rem; font-weight: 500; color: var(--ink-dark); }
.filter-bar select, .filter-bar input {
  padding: 8px 14px; border: 1.5px solid var(--rice-dark); border-radius: 6px;
  font-family: var(--font-body); font-size: 0.9rem; background: var(--white); color: var(--text-main);
  outline: none; transition: var(--transition);
}
.filter-bar select:focus, .filter-bar input:focus { border-color: var(--ink-green); box-shadow: 0 0 0 3px rgba(74,124,89,0.1); }

/* ===== 面包屑 Breadcrumb ===== */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-light); padding: 16px 0; }
.breadcrumb a { color: var(--ink-green); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--text-light); }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 6px; color: var(--ink-dark); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--rice-dark); border-radius: 6px;
  font-family: var(--font-body); font-size: 0.95rem; transition: var(--transition); outline: none; background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--ink-green); box-shadow: 0 0 0 3px rgba(74,124,89,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ===== FAQ ===== */
.faq-item { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 500; transition: var(--transition); }
.faq-question:hover { background: var(--ink-pale); }
.faq-question i { transition: transform 0.3s; color: var(--ink-green); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 24px; color: var(--text-light); font-size: 0.9rem; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 500px; padding: 0 24px 18px; }

/* ===== 弹窗 Modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index: 2000; display: none; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal-content { background: var(--white); border-radius: 16px; max-width: 500px; width: 90%; padding: 36px; position: relative; animation: modalIn 0.3s ease; }
@keyframes modalIn { from { opacity: 0; transform: scale(0.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-light); transition: var(--transition); }
.modal-close:hover { color: var(--text-main); }

/* ===== AI匹配动画 ===== */
.ai-matching { text-align: center; padding: 20px; }
.ai-matching .robot-icon {
  width: 80px; height: 80px; margin: 0 auto 16px; background: var(--ink-pale); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--ink-green);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(74,124,89,0.4); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(74,124,89,0); }
}

/* ===== 客服卡片 ===== */
.agent-card { display: flex; align-items: center; gap: 16px; padding: 16px; background: var(--ink-pale); border-radius: var(--radius); margin: 16px 0; }
.agent-card img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.agent-card .agent-info h4 { font-size: 1rem; color: var(--ink-dark); }
.agent-card .agent-info p { font-size: 0.8rem; color: var(--text-light); }
.agent-card .agent-info .agent-stats { display: flex; gap: 16px; margin-top: 6px; }
.agent-card .agent-info .agent-stats span { font-size: 0.78rem; color: var(--text-light); }
.agent-card .agent-info .agent-stats span strong { color: var(--ink-green); }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-carousel { height: 400px; }
  .hero-slide .slide-content { padding-left: 30px; }
  .hero-slide .slide-content h1 { font-size: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; background: rgba(250,246,240,0.98); flex-direction: column; padding: 16px; gap: 4px; border-bottom: 1px solid var(--rice-dark); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 0.95rem; }
  .nav-toggle { display: block; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-carousel { height: 340px; }
  .hero-slide .slide-content { padding: 0 20px; text-align: center; }
  .hero-slide .slide-content h1 { font-size: 1.6rem; }
  .hero-slide .slide-content p { font-size: 0.95rem; }
  .steps { flex-direction: column; align-items: center; gap: 20px; }
  .step-item { max-width: 100%; }
  .step-item::before { display: none; }
  .brand-badges { flex-direction: column; align-items: center; }
  footer .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { flex-direction: column; align-items: stretch; }
}
@media (max-width: 375px) {
  .hero-carousel { height: 280px; }
  .hero-slide .slide-content h1 { font-size: 1.3rem; }
  .navbar .logo { font-size: 1rem; }
  .navbar .logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
}

/* ===== 评分分布条 ===== */
.rating-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.rating-bar .bar-label { min-width: 60px; font-size: 0.85rem; color: var(--text-light); }
.rating-bar .bar-track { flex: 1; height: 8px; border-radius: 4px; background: var(--rice-dark); overflow: hidden; }
.rating-bar .bar-fill { height: 100%; border-radius: 4px; background: var(--gold); transition: width 0.6s ease; }

/* ===== 时间轴 Timeline ===== */
.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px; background: var(--ink-pale); }
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item::before { content: ''; position: absolute; left: -25px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--ink-green); border: 3px solid var(--rice-paper); }
.timeline-item .year { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--ink-green); margin-bottom: 4px; }
.timeline-item .desc { font-size: 0.9rem; color: var(--text-light); }

/* ===== Chip 标签选择器 ===== */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip { padding: 6px 16px; border-radius: 20px; font-size: 0.85rem; background: var(--white); border: 1.5px solid var(--rice-dark); cursor: pointer; transition: var(--transition); }
.chip:hover { border-color: var(--ink-light); color: var(--ink-green); }
.chip.active { background: var(--ink-green); color: var(--white); border-color: var(--ink-green); }

/* ===== 404 / Submit ===== */
.result-page { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 60vh; text-align: center; padding: 40px 20px; }
.result-page .icon { font-size: 4rem; margin-bottom: 20px; }
.result-page .icon.success { color: var(--ink-green); }
.result-page h1 { font-size: 1.8rem; margin-bottom: 12px; }
.result-page p { color: var(--text-light); margin-bottom: 24px; }

/* ===== 地图占位 ===== */
.map-placeholder { width: 100%; height: 320px; background: var(--ink-pale); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--ink-light); font-size: 0.95rem; }

/* ===== Hero 子页 ===== */
.page-hero { margin-top: var(--nav-height); padding: 60px 0; background: linear-gradient(135deg, var(--ink-pale), var(--rice-dark)); text-align: center; }
.page-hero h1 { font-size: 2.2rem; color: var(--ink-dark); margin-bottom: 8px; }
.page-hero p { color: var(--text-light); font-size: 1rem; }

/* ===== 产品参数表 ===== */
.params-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.params-table td { padding: 10px 16px; border-bottom: 1px solid var(--rice-dark); font-size: 0.9rem; }
.params-table td:first-child { font-weight: 500; color: var(--ink-dark); width: 120px; }

/* ===== 费用清单 ===== */
.fee-list { list-style: disc; padding-left: 20px; margin: 10px 0; }
.fee-list li { font-size: 0.9rem; color: var(--text-light); margin-bottom: 6px; }

/* ===== Flex helper ===== */
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* ===== 浮动客服按钮（全站通用） ===== */
.floating-contact {
  position: fixed;
  right: 24px;
  bottom: 120px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.floating-contact a {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: var(--transition);
  position: relative;
}
.floating-contact a:hover { transform: scale(1.1); }
.floating-contact .btn-phone {
  background: var(--ink-green);
  animation: phonePulse 2s ease-in-out infinite;
}
.floating-contact .btn-wechat {
  background: var(--gold);
}
@keyframes phonePulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(74,124,89,0.3); }
  50% { box-shadow: 0 4px 24px rgba(74,124,89,0.6); }
}
.floating-contact a .tooltip {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--ink-dark);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.floating-contact a:hover .tooltip { opacity: 1; }
.floating-contact a .tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--ink-dark);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* ===== 顶部客服条（首页、产品页） ===== */
.top-contact-bar {
  background: var(--ink-dark);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  padding: 6px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
}
.top-contact-bar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 24px;
}
.top-contact-bar a { color: var(--gold-light); }
.top-contact-bar a:hover { color: var(--white); }
.top-contact-bar .welcome { margin-right: auto; color: rgba(255,255,255,0.7); }
body.has-top-bar { padding-top: 32px; }
body.has-top-bar .navbar { top: 32px; }
body.has-top-bar .hero-carousel { margin-top: calc(var(--nav-height) + 32px); }
body.has-top-bar .page-hero { margin-top: calc(var(--nav-height) + 32px); }

/* ===== 全局浮动的客服悬浮窗 ===== */
.sticky-phone-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--rice-dark);
  padding: 10px 20px;
  z-index: 998;
  display: none;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.06);
}
.sticky-phone-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.sticky-phone-bar .phone-num {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-dark);
}
.sticky-phone-bar .phone-num i { color: var(--ink-green); margin-right: 6px; }
.sticky-phone-bar .btn { flex-shrink: 0; }

@media (max-width: 768px) {
  .floating-contact { bottom: 80px; right: 16px; }
  .floating-contact a { width: 44px; height: 44px; font-size: 1.1rem; }
  .top-contact-bar .welcome { display: none; }
  .top-contact-bar .container { justify-content: center; gap: 12px; }
  .sticky-phone-bar { display: block; }
}

/* ===== 通用间距 ===== */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.text-center { text-align: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }