:root {
  --bg-body: #F9F6F0;
  --bg-card: #FFFFFF;
  --bg-soft: #F3EFE8;
  --primary: #2F6B47;
  --primary-light: #5A9E6F;
  --primary-dark: #1F5238;
  --primary-emphasis: #2F6B47;
  --secondary: #C5A059;
  --secondary-light: #D8B87A;
  --secondary-dark: #B08B4A;
  --secondary-gradient-start: #C5A059;
  --accent: #A0B8C7;
  --text-main: #2C2C2C;
  --text-light: #6F6F6F;
  --text-muted: #9A9A9A;
  --border: #E2DFD7;
  --shadow-sm: 0 2px 8px rgba(44, 44, 44, 0.04);
  --shadow-md: 0 8px 24px rgba(44, 44, 44, 0.08);
  --shadow-lg: 0 20px 60px rgba(44, 44, 44, 0.12);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.08);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --section-py: 120px;
  --section-px: 24px;
  --container-max: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text-main);
  background: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

/* ========== 导航栏 ========== */
.navbar {
  position: sticky;
  top: 0;
  left: 0; right: 0;
  height: 72px;
  background: var(--bg-card);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.nav-logo-icon {
  width: 38px; height: 38px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.nav-logo-icon svg { width: 22px; height: 22px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 15px;
  color: var(--text-light);
  font-weight: 500;
  transition: color 0.25s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active { color: var(--primary); }

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav-links .nav-cta {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s;
}

.nav-links .nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-menu-btn {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-main);
  border-radius: 10px;
}

.nav-menu-btn:hover { background: var(--bg-soft); }

/* 移动端菜单遮罩 */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(44, 44, 44, 0.25);
  z-index: 999;
}

.nav-overlay.open { display: block; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--text-main);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--primary);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(47, 107, 71, 0.05);
}

/* ========== 通用区块 ========== */
.section {
  padding: var(--section-py) 0;
}

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

.section-title {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(47, 107, 71, 0.1);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
  line-height: 1.3;
}

.section-title p {
  font-size: 17px;
  color: var(--text-light);
}

/* ========== 卡片（高级感） ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.4s;
}

.card::after {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(47, 107, 71, 0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: rgba(47, 107, 71, 0.15);
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.card-icon {
  width: 60px; height: 60px;
  background: rgba(47, 107, 71, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--primary);
}

.card-icon svg { width: 28px; height: 28px; }

.card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  margin-top: 0;
}

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

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

/* ========== Hero 轮播 ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-body);
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-carousel-slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-carousel-slide .slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-carousel-slide .slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(249,246,240,0.3) 0%, rgba(249,246,240,0.85) 60%, var(--bg-body) 100%);
}

.hero-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  color: var(--text-main);
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}

.hero-carousel-nav:hover {
  background: var(--bg-card);
  transform: translateY(-50%) scale(1.05);
  box-shadow: var(--shadow-md);
}

.hero-carousel-prev { left: 32px; }
.hero-carousel-next { right: 32px; }

.hero-carousel-dots {
  position: relative;
  bottom: auto;
  left: auto;
  transform: none;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 48px 0 0;
}

.hero-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(44,44,44,0.2);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.hero-carousel-dot.active {
  background: var(--primary);
  width: 32px;
  border-radius: 5px;
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  max-width: 1100px;
  padding: 0 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(47, 107, 71, 0.12);
  color: var(--primary);
  padding: 10px 24px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 40px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 102px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 40px;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--primary);
  display: inline;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 160px;
  line-height: 1.8;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-btns .btn {
  padding: 16px 40px;
  font-size: 16px;
}

.hero-proof {
  font-size: 15px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

/* ========== 数据栏 ========== */
.stats-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  justify-content: space-around;
  text-align: center;
  box-shadow: var(--shadow-sm);
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
}

/* ========== 步骤 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.step-num {
  width: 52px; height: 52px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.step-card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== 用户故事 ========== */
.story-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
}

.story-card:hover { box-shadow: var(--shadow-md); }

.story-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.story-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-soft);
}

.story-meta h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.story-meta span {
  font-size: 13px;
  color: var(--text-muted);
}

.story-quote {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  font-style: italic;
}

/* ========== 小程序引导 ========== */
.miniapp-section { background: var(--bg-soft); }

.miniapp-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.miniapp-phone {
  width: 280px;
  height: 560px;
  background: var(--bg-card);
  border: 8px solid var(--text-main);
  border-radius: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

.miniapp-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.miniapp-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.miniapp-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-light);
}

.miniapp-feature-check {
  width: 24px; height: 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.miniapp-qrcode {
  width: 160px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

/* ========== CTA 卡片 ========== */
.cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
}

.cta-card h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-card p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-card .btn-primary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--text-main);
}

.cta-card .btn-primary:hover { background: linear-gradient(135deg, #B08B4A 0%, #D4B886 100%); }

/* ========== 页脚 ========== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  max-width: 260px;
}

.footer-right {
  display: flex;
  gap: 32px;
}

.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-light);
  padding: 6px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--primary); }

.footer-qrcodes {
  display: flex;
  gap: 16px;
  margin-top: 0;
}

.footer-qrcode-item {
  text-align: center;
}

.footer-qrcode-item img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.footer-qrcode-item span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom {
  text-align: left;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-bottom a:hover { color: var(--primary); }

.footer-icp {
  margin-top: 4px;
  font-size: 12px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ========== 页面内页标题 ========== */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-body) 100%);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
}

.page-hero p {
  font-size: 17px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ========== 功能详情 ========== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.service-detail:nth-child(even) { direction: rtl; }
.service-detail:nth-child(even) > * { direction: ltr; }

.service-detail-img {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  border: 1px solid var(--border);
}

.service-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

.service-detail-text p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-detail-list {
  list-style: none;
}

.service-detail-list li {
  padding: 10px 0;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
}

.service-detail-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: bold;
  width: 24px;
  height: 24px;
  background: rgba(47, 107, 71, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

/* ========== 表单 ========== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  font-size: 15px;
  color: var(--text-main);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

/* ========== FAQ ========== */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

.faq-item.open .faq-answer { max-height: 200px; }
.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-icon { transition: transform 0.3s; }

/* ========== 订阅模块 ========== */
.subscribe-group {
  display: flex;
  border-radius: 48px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  max-width: 480px;
  margin: 0 auto;
  transition: box-shadow 0.25s, border-color 0.25s;
}

.subscribe-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 107, 71, 0.1);
}

.subscribe-group input {
  flex: 1;
  border: none;
  padding: 14px 24px;
  font-size: 15px;
  color: var(--text-main);
  background: transparent;
  outline: none;
}

.subscribe-group input::placeholder { color: var(--text-muted); }

.subscribe-group button {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  border: none;
  padding: 14px 28px;
  color: var(--text-main);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
}

.subscribe-group button:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
}

/* ========== 多端入口 ========== */
.entry-card {
  text-align: center;
  text-decoration: none;
  color: inherit;
  display: block;
}

.entry-card .card-icon {
  margin: 0 auto 20px;
  transition: transform 0.3s, color 0.3s, background 0.3s;
}

.entry-card:hover .card-icon {
  transform: scale(1.05);
  color: var(--primary-emphasis);
  background: rgba(47, 107, 71, 0.12);
}

.entry-card h3 {
  font-size: 16px;
  font-weight: 700;
}

/* ========== 图标系统 ========== */
.icon-stroke {
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* ========== 商务合作表单增强 ========== */
.form-group input,
.form-group textarea,
.form-group select {
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: rgba(47, 107, 71, 0.5);
  background: rgba(47, 107, 71, 0.02);
}

.form-group button[type="submit"].btn-primary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  transition: all 0.25s;
}

.form-group button[type="submit"].btn-primary:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* ========== 页脚二维码 ========== */
.footer-qrcodes {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.footer-qrcode-item {
  text-align: center;
}

.footer-qrcode-item img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.footer-qrcode-item span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-icp {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeInUp 0.6s ease-out forwards; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-title { font-size: 72px; }
  .hero-desc { max-width: 720px; }
  .miniapp-inner { grid-template-columns: 1fr; gap: 48px; }
  .service-detail { grid-template-columns: 1fr; gap: 40px; }
  .service-detail:nth-child(even) { direction: ltr; }
  .hero-carousel-nav { display: none; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }
  .nav-links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-menu-btn { display: flex; }
  .nav-links .nav-cta { width: 100%; text-align: center; margin-top: 8px; }
  .grid-3, .grid-2, .steps-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 120px 0 100px; }
  .hero-title { font-size: 48px; line-height: 1.3; }
  .hero-desc { font-size: 17px; max-width: 100%; padding: 0 20px; }
  .section-title h2 { font-size: 26px; }
  .page-hero h1 { font-size: 30px; }
  .stats-bar { flex-direction: column; gap: 28px; }
  .footer-content { flex-direction: column; gap: 40px; }
  .footer-left { max-width: 100%; }
  .footer-right { width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
  .footer-bottom { margin-top: 0; }
  .cta-card { padding: 40px 24px; }
  .hero-carousel-nav { display: none; }
  .subscribe-group { flex-direction: column; border-radius: var(--radius-md); }
  .subscribe-group button { border-radius: var(--radius-md); }
}

@media (max-width: 480px) {
  .hero-title { font-size: 36px; line-height: 1.3; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .footer-content { grid-template-columns: 1fr; }
  .miniapp-phone { width: 240px; height: 480px; }
}