:root {
  --bg-main: #FFFBF2;
  --bg-soft: #FFF1E8;
  --bg-footer: #E8F5EC;
  --white: #FFFFFF;
  --primary: #FF5A5F;
  --primary-dark: #E8484D;
  --primary-light: #FF9B9D;
  --secondary: #28B463;
  --secondary-dark: #1C7A45;
  --secondary-light: #82D9A8;
  --accent: #F5C542;
  --text: #2C2C2C;
  --text-soft: #6B6B6B;
  --shadow-sm: 0 2px 12px rgba(255, 90, 95, 0.08);
  --shadow-md: 0 8px 32px rgba(255, 90, 95, 0.15);
  --shadow-lg: 0 20px 60px rgba(255, 90, 95, 0.22);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;
  --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
/* ============ 基础重置 ============ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  overflow-x: hidden;
  background: var(--bg-main);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection {
  background: var(--primary);
  color: #fff;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
/* ============ 核心布局 ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
  position: relative;
}
.section:nth-child(even) {
  background: var(--bg-soft);
}
/* ============ 固定顶部导航 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 251, 242, 0.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(255, 90, 95, 0.1);
  transition: box-shadow 0.3s;
}
.site-header:hover {
  box-shadow: 0 4px 24px rgba(255, 90, 95, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.5px;
  position: relative;
  z-index: 2;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--secondary) 120%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(255, 90, 95, 0.35);
  position: relative;
  flex-shrink: 0;
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.5);
}
.logo:hover .logo-icon {
  transform: rotate(-12deg) scale(1.05);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-soft);
  transition: color 0.25s;
  position: relative;
  padding: 4px 2px;
  letter-spacing: 0.3px;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.main-nav a:hover {
  color: var(--primary);
}
.main-nav a:hover::after {
  width: 100%;
}
.nav-cta {
  padding: 8px 22px !important;
  border-radius: 24px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, var(--primary) 0%, #FF767A 100%);
  box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.15), 0 4px 14px rgba(255, 90, 95, 0.3);
  transition: all 0.3s ease !important;
}
.nav-cta::after {
  display: none !important;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 90, 95, 0.4);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 3px;
  transition: all 0.3s ease;
}
/* ============ Hero 首屏 ============ */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  padding: 150px 24px 90px;
  background:
    radial-gradient(ellipse at 18% 80%, rgba(245, 197, 66, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 15%, rgba(40, 180, 99, 0.1) 0%, transparent 45%),
    linear-gradient(120deg, #FFFBF2 0%, #FFF1EA 60%, #FFE9E6 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: var(--radius-full);
  border: 46px solid rgba(255, 90, 95, 0.07);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -180px;
  left: -140px;
  width: 380px;
  height: 380px;
  border-radius: var(--radius-full);
  border: 60px solid rgba(40, 180, 99, 0.05);
  pointer-events: none;
}
.hero > .container {
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}
.hero-content {
  flex: 1;
  max-width: 640px;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 90, 95, 0.12), rgba(40, 180, 99, 0.12));
  color: var(--primary);
  border: 1px solid rgba(255, 90, 95, 0.18);
  letter-spacing: 1px;
}
.hero-eyebrow::before {
  content: '🍉';
  font-size: 1rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -2.5px;
  color: var(--text);
  margin-bottom: 22px;
  font-feature-settings: 'kern' 1;
}
.hero h1::after {
  content: '';
  display: block;
  width: 96px;
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 80%, var(--accent) 120%);
  border-radius: 4px;
  margin-top: 22px;
}
.hero p {
  font-size: 1.12rem;
  line-height: 1.85;
  opacity: 0.7;
  max-width: 540px;
  margin-bottom: 36px;
  color: var(--text);
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image {
  flex: 0 0 440px;
  width: 440px;
  height: 440px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 26%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 72% 36%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 45% 58%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 22% 72%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 66% 78%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 82% 15%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(ellipse at 12% 45%, rgba(44, 44, 44, 0.85) 0px, rgba(44, 44, 44, 0.85) 3px, transparent 4px),
    radial-gradient(circle at 42% 40%, #FFB0B2 0%, #FF5A5F 48%, #E8484D 70%, #C63A3F 100%);
  background-blend-mode: overlay, normal;
  box-shadow:
    0 0 0 16px var(--secondary),
    0 0 0 28px rgba(130, 217, 168, 0.35),
    0 0 0 40px rgba(255, 255, 255, 0.18),
    0 30px 60px -10px rgba(255, 90, 95, 0.4);
  position: relative;
  animation: watermelonFloat 6s ease-in-out infinite;
  z-index: 2;
}
.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.08);
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  position: relative;
  z-index: 1;
}
@keyframes watermelonFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(1.5deg); }
}
/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover {
  transform: translateY(-2px) scale(1.02);
}
.btn:hover::after {
  opacity: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #FF6A6E 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255, 90, 95, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(255, 90, 95, 0.45);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
  box-shadow: 0 4px 14px rgba(40, 180, 99, 0.12);
}
.btn-outline:hover {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(40, 180, 99, 0.35);
}
/* ============ 标签 / 标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--primary);
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(255, 90, 95, 0.08);
  border: 1px solid rgba(255, 90, 95, 0.15);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.2;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  margin-top: 12px;
}
.section-desc {
  max-width: 640px;
  opacity: 0.7;
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 48px;
  color: var(--text);
}
/* ============ 卡片网格 ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 26px;
}
.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid rgba(255, 90, 95, 0.08);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(40, 180, 99, 0.2);
}
.category-card:hover::before {
  transform: scaleX(1);
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 90, 95, 0.1) 0%, rgba(40, 180, 99, 0.1) 100%);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 95, 0.08);
  transition: all 0.4s ease;
}
.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-5deg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 90, 95, 0.3);
}
.category-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.category-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
  margin-bottom: 18px;
}
.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}
.card-link::after {
  content: '→';
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}
.card-link:hover {
  color: var(--primary);
  gap: 10px;
}
.card-link:hover::after {
  transform: translateX(2px);
}
/* ============ 特性块 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary) 40%, var(--primary) 100%);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow-md);
}
.feature-image::before {
  content: '🍉';
  font-size: 120px;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.12));
  position: relative;
  z-index: 1;
}
.feature-image::after {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: calc(var(--radius-lg) - 10px);
  border: 3px dashed rgba(255, 255, 255, 0.35);
  pointer-events: none;
}
.feature-image img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}
.feature-text {
  padding: 0;
}
.feature-text h2 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 18px;
  line-height: 1.25;
}
.feature-text h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  margin-top: 14px;
}
.feature-text > p {
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 1rem;
}
.feature-list {
  list-style: none;
  display: grid;
  gap: 12px;
}
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  background: rgba(40, 180, 99, 0.04);
  border-radius: 12px;
  padding: 10px 16px;
  border: 1px solid rgba(40, 180, 99, 0.08);
  transition: all 0.3s ease;
}
.feature-list li:hover {
  border-color: rgba(40, 180, 99, 0.2);
  transform: translateX(4px);
}
.feature-list li::before {
  content: '✓';
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--primary);
  background: rgba(255, 90, 95, 0.12);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
/* ============ 数据条 ============ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid rgba(255, 90, 95, 0.08);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.stat-item:hover::before {
  transform: scaleX(1);
}
.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--primary);
  line-height: 1.2;
  display: block;
}
.stat-number::after {
  content: '+';
  color: var(--secondary);
  margin-left: 2px;
  font-size: 0.7em;
}
.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}
/* ============ 内容墙 ============ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 26px;
}
.content-wall-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(255, 90, 95, 0.08);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  position: relative;
}
.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(40, 180, 99, 0.2);
}
.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.content-wall-item:hover img {
  transform: scale(1.04);
}
.content-wall-body {
  padding: 24px;
}
.content-wall-body .tag {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(255, 90, 95, 0.08);
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 12px;
}
.content-wall-body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.4;
  letter-spacing: -0.3px;
}
.content-wall-body p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 16px;
}
.content-wall-body .date {
  font-size: 0.75rem;
  color: var(--text-soft);
  opacity: 0.6;
  font-weight: 500;
}
/* ============ FAQ ============ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(40, 180, 99, 0.16);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
  cursor: pointer;
  transition: all 0.35s ease;
}
.faq-item:hover {
  border-color: rgba(40, 180, 99, 0.35);
  box-shadow: 0 4px 20px rgba(40, 180, 99, 0.1);
}
.faq-item.open {
  border-color: var(--secondary);
  box-shadow: 0 8px 30px rgba(40, 180, 99, 0.15);
}
.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--text);
  position: relative;
  transition: color 0.3s;
}
.faq-item.open .faq-question {
  color: var(--secondary-dark);
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.open .faq-question::after {
  transform: rotate(135deg);
  color: var(--secondary);
}
.faq-item .faq-answer {
  padding: 0 24px 0;
  display: none;
  opacity: 0;
  line-height: 1.8;
  font-size: 0.95rem;
  color: var(--text-soft);
  border-top: 1px dashed rgba(40, 180, 99, 0.15);
  transition: opacity 0.3s, padding 0.3s;
}
.faq-item.open .faq-answer {
  display: block;
  opacity: 1;
  padding: 16px 24px 20px;
  animation: faqIn 0.4s ease;
}
.faq-item .faq-answer p {
  margin-bottom: 0;
}
@keyframes faqIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary) 0%, #FF767A 50%, var(--secondary) 130%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-banner::before {
  content: '🍉';
  position: absolute;
  right: -20px;
  bottom: -30px;
  font-size: 180px;
  opacity: 0.12;
  transform: rotate(-18deg);
  line-height: 1;
}
.cta-banner::after {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 40px solid rgba(255, 255, 255, 0.06);
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 1rem;
  line-height: 1.8;
  position: relative;
  z-index: 2;
}
.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 2;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
/* ============ 页脚 ============ */
.site-footer {
  padding: 64px 0 32px;
  background: var(--bg-footer);
  margin-top: 40px;
  position: relative;
  border-top: 3px solid rgba(40, 180, 99, 0.15);
}
.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand {
  padding-right: 30px;
}
.footer-brand::before {
  content: '🍉';
  display: block;
  font-size: 2.2rem;
  margin-bottom: 14px;
}
.footer-brand h3 {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 12px;
}
.footer-brand p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.8;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 3px;
}
.footer-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer-col ul a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.25s;
  position: relative;
  padding-left: 0;
}
.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(40, 180, 99, 0.15);
  margin-top: 48px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.6;
}
/* ============ 工具类 ============ */
.text-accent {
  color: var(--primary);
}
.text-center {
  text-align: center;
}
.text-center .section-title::after,
.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}
.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 0.7;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-image {
    flex: 0 0 360px;
    width: 360px;
    height: 360px;
  }
  .hero > .container {
    gap: 40px;
  }
  .feature-block {
    gap: 40px;
  }
}
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 16px;
    right: 16px;
    background: rgba(255, 251, 242, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 48px rgba(255, 90, 95, 0.15);
    gap: 20px;
    border: 1px solid rgba(255, 90, 95, 0.1);
    z-index: 999;
    text-align: center;
  }
  .main-nav.open {
    display: flex;
    animation: mobileNavIn 0.3s ease;
  }
  .main-nav a {
    font-size: 1.05rem;
    padding: 10px 0;
  }
  .main-nav a::after {
    bottom: 4px;
  }
  .nav-cta {
    display: inline-block;
    margin-top: 6px;
    text-align: center;
  }
  @keyframes mobileNavIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero {
    padding: 120px 24px 60px;
  }
  .hero > .container {
    flex-direction: column;
    gap: 48px;
    text-align: center;
  }
  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero h1::after {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image {
    flex: 0 0 320px;
    width: 320px;
    height: 320px;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .feature-text {
    text-align: center;
  }
  .feature-text h2::after {
    margin-left: auto;
    margin-right: auto;
  }
  .feature-list {
    text-align: left;
  }
  .feature-list li {
    justify-content: flex-start;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .footer-brand {
    grid-column: 1 / -1;
    text-align: center;
    padding-right: 0;
  }
  .footer-brand::before {
    text-align: center;
  }
  .site-header {
    background: rgba(255, 251, 242, 0.96);
  }
}
@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-image {
    flex: 0 0 260px;
    width: 260px;
    height: 260px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .section {
    padding: 64px 0;
  }
  .cta-banner {
    padding: 44px 20px;
  }
  .cta-banner::before {
    font-size: 120px;
  }
  .feature-image {
    min-height: 280px;
  }
  .stat-item {
    padding: 24px 16px;
  }
}
/* ============ 额外细节动画 ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
/* ============ 滚动条美化 ============ */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-light), var(--secondary-light));
  border-radius: 10px;
  border: 3px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}