```css
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FFF9F3;
  color: #2D3436;
  line-height: 1.6;
  font-size: 16px;
}

/* ============ 核心布局 ============ */
.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:2; }

.section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section:nth-child(even) {
  background: linear-gradient(120deg, #FFF0F5 0%, #E8F8F5 50%, #FFFBEB 100%);
}

/* 装饰性背景圆点 */
.section::before {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,77,126,0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  top: -40px;
  right: -40px;
  pointer-events: none;
}

/* ============ 导航 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 243, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(255, 209, 102, 0.4);
  transition: all 0.4s ease;
}

.site-header:hover {
  border-color: rgba(255, 78, 126, 0.3);
  box-shadow: 0 6px 30px rgba(255, 78, 126, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2D3436;
  letter-spacing: -0.5px;
  transition: transform 0.3s ease;
}

.logo:hover { transform: translateY(-1px); }

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #FF4E7E, #FF8E7A);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 78, 126, 0.35);
  transform: rotate(-10deg);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.4);
}

.logo:hover .logo-icon {
  transform: rotate(10deg) scale(1.08);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: #4A4A4A;
  transition: color 0.3s ease;
  position: relative;
  padding: 6px 2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, #FF4E7E, #FFD93D);
  transition: width 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.2);
}

.main-nav a:hover {
  color: #FF4E7E;
}

.main-nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, #FF4E7E, #FF7E5F) !important;
  box-shadow: 0 4px 16px rgba(255, 78, 126, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(255, 78, 126, 0.45);
}

.nav-cta:active {
  transform: translateY(-1px) scale(0.98);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff;
  border: 2px solid #FFD6E0;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  color: #FF4E7E;
  transition: all 0.3s ease;
  line-height: 1;
}

.menu-toggle:hover {
  background: #FFF0F5;
  border-color: #FF4E7E;
  transform: rotate(90deg);
}

/* ============ Hero ============ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #FFF9F3 0%, #FFF0F5 40%, #F0FBFF 100%);
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: 10%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 217, 61, 0.35), transparent 70%);
  animation: heroBlob 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 169, 0.2), transparent 70%);
  animation: heroBlob 6s ease-in-out infinite reverse;
}

@keyframes heroBlob {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.1) translateY(-25px); }
}

/* 星星装饰 */
.hero .container::before {
  content: '✦';
  position: absolute;
  top: 20px;
  left: 10%;
  font-size: 2.5rem;
  color: #FFD93D;
  animation: twinkle 2s ease-in-out infinite;
  z-index: 1;
  text-shadow: 0 0 20px rgba(255, 217, 61, 0.6);
}

.hero .container::after {
  content: '✦';
  position: absolute;
  bottom: 60px;
  right: 8%;
  font-size: 1.8rem;
  color: #FF9A8B;
  animation: twinkle 2.5s ease-in-out infinite 0.5s;
  z-index: 1;
  text-shadow: 0 0 16px rgba(255, 154, 139, 0.6);
}

@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
  50% { opacity: 0.5; transform: scale(0.7) rotate(30deg); }
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #FFE8D6, #FFD6E0);
  color: #FF4E7E;
  letter-spacing: 2px;
  border: 1px solid rgba(255, 78, 126, 0.15);
  text-transform: uppercase;
  position: relative;
}

.hero-eyebrow::before {
  content: '♪';
  margin-right: 6px;
  font-size: 1rem;
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.12;
  margin-bottom: 24px;
  font-weight: 900;
  letter-spacing: -1.5px;
  color: #2D3436;
  background: linear-gradient(135deg, #FF4E7E 20%, #FF7E5F 50%, #FFD93D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

/* 标题下方装饰波浪线 */
.hero h1::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 120px;
  height: 8px;
  background: repeating-linear-gradient(-45deg, #FFD93D, #FFD93D 6px, transparent 6px, transparent 12px);
  border-radius: 4px;
  opacity: 0.7;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 36px;
  color: #4A4A4A;
  line-height: 1.8;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(255, 78, 126, 0.15), 8px 8px 0px #FFD93D;
  border: 4px solid #fff;
  transform: rotate(3deg) perspective(1200px) rotateY(-4deg);
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.2), box-shadow 0.4s ease;
  position: relative;
}

.hero-image::after {
  content: '✦';
  position: absolute;
  top: -14px;
  right: -14px;
  font-size: 2rem;
  color: #FF4E7E;
  background: #fff;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 78, 126, 0.3);
  animation: twinkle 3s ease-in-out infinite;
}

.hero-image:hover {
  transform: rotate(0deg) perspective(1200px) rotateY(0deg) translateY(-6px);
  box-shadow: 0 32px 80px rgba(255, 78, 126, 0.2), 12px 12px 0px #FFD93D;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.3);
  letter-spacing: 0.4px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.btn:hover::after { left: 100%; }

.btn:active { transform: scale(0.95); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF4E7E, #FF7E5F);
  box-shadow: 0 6px 22px rgba(255, 78, 126, 0.4);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(255, 78, 126, 0.5);
}

.btn-outline {
  background: transparent;
  border: 2px solid #FF4E7E;
  color: #FF4E7E;
  z-index: 1;
}

.btn-outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: #FF4E7E;
  transition: width 0.35s ease;
  z-index: -1;
  border-radius: 50px;
}

.btn-outline:hover { color: #fff; }

.btn-outline:hover::before { width: 100%; }

.btn-outline::after { display: none; }

/* ============ 标签/标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #FF4E7E;
  text-transform: uppercase;
  position: relative;
  padding: 4px 16px;
  background: #FFF0F5;
  border-radius: 30px;
  transform: rotate(-2deg);
}

.text-center .section-label {
  transform: rotate(0deg);
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #2D3436;
  position: relative;
}

.text-center .section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  border-radius: 5px;
  background: linear-gradient(90deg, #FFD93D, #FF4E7E, #00B8A9);
  background-size: 200% 100%;
  animation: gradShift 3s ease infinite;
}

@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  color: #4A4A4A;
  line-height: 1.8;
}

/* ============ 卡片网格 ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  background: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(45, 52, 54, 0.05);
  transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.2);
  position: relative;
  z-index: 1;
}

/* 彩色硬阴影 - 每个卡片不同 */
.category-card:nth-child(1) { box-shadow: 0 4px 16px rgba(255,78,126,0.08), 4px 4px 0 #FFE8D6; }
.category-card:nth-child(2) { box-shadow: 0 4px 16px rgba(0,184,169,0.08), 4px 4px 0 #D4F5F0; }
.category-card:nth-child(3) { box-shadow: 0 4px 16px rgba(255,217,61,0.08), 4px 4px 0 #FFEEC2; }
.category-card:nth-child(4) { box-shadow: 0 4px 16px rgba(255,126,95,0.08), 4px 4px 0 #FFE0D4; }

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 5px;
  border-radius: 0 0 5px 5px;
  background: linear-gradient(90deg, #FF4E7E, #FFD93D);
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.4s ease;
}

.category-card:nth-child(2)::before {
  background: linear-gradient(90deg, #00B8A9, #2EC4B6);
}

.category-card:nth-child(3)::before {
  background: linear-gradient(90deg, #FF7E5F, #FFB86C);
}

.category-card:nth-child(4)::before {
  background: linear-gradient(90deg, #FFD93D, #FF9A8B);
}

.category-card:hover {
  transform: translateY(-8px) rotate(0.5deg);
  box-shadow: 0 16px 40px rgba(255, 78, 126, 0.1), 8px 8px 0 #FFD6E0;
}

.category-card:hover::before {
  opacity: 1;
  transform: scaleX(1);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FFF0F5, #FFE8D6);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.4);
}

.category-card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, #E8F8F5, #D4F5F0);
}

.category-card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, #FFF3E0, #FFE8D6);
}

.category-card:nth-child(4) .card-icon {
  background: linear-gradient(135deg, #FFFBEB, #FFEEC2);
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(12deg);
}

.category-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #2D3436;
}

.category-card p {
  font-size: 0.9rem;
  color: #6C7A89;
  line-height: 1.7;
  margin-bottom: 18px;
}

.card-link {
  font-weight: 800;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF4E7E;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease, letter-spacing 0.3s ease;
}

.card-link:hover {
  gap: 14px;
  letter-spacing: 0.5px;
}

/* ============ 特性块 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 184, 169, 0.12), 6px 6px 0 #D4F5F0;
  border: 3px solid #fff;
  position: relative;
  transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.2), box-shadow 0.4s ease;
}

.feature-image:hover {
  transform: scale(1.02) rotate(-1deg);
  box-shadow: 0 20px 56px rgba(0, 184, 169, 0.18), 10px 10px 0 #D4F5F0;
}

.feature-image::after {
  content: '';
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.05);
}

.feature-text {
  position: relative;
  z-index: 2;
  padding-right: 20px;
}

.feature-text h3 {
  font-size: 1.7rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: #2D3436;
  line-height: 1.3;
}

.feature-text p {
  color: #6C7A89;
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 1rem;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  color: #4A4A4A;
  font-size: 0.95rem;
  border-bottom: 1px dashed #E8E0D6;
  transition: padding-left 0.3s ease, color 0.3s ease;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li:hover {
  padding-left: 8px;
  color: #FF4E7E;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #00B8A9;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ============ 数据条 ============ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 36px 24px;
  border-radius: 20px;
  background: #fff;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.2);
  box-shadow: 0 4px 16px rgba(45, 52, 54, 0.05);
}

/* 每个数据条不同的硬阴影 */
.stat-item:nth-child(1) { box-shadow: 0 4px 16px rgba(255,78,126,0.06), 5px 5px 0 #FFE8D6; }
.stat-item:nth-child(2) { box-shadow: 0 4px 16px rgba(0,184,169,0.06), 5px 5px 0 #D4F5F0; }
.stat-item:nth-child(3) { box-shadow: 0 4px 16px rgba(255,217,61,0.06), 5px 5px 0 #FFF3D4; }
.stat-item:nth-child(4) { box-shadow: 0 4px 16px rgba(255,126,95,0.06), 5px 5px 0 #FFE0D4; }

.stat-item::before {
  content: '';
  position: absolute;
  top: -30px;
  left: -30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 78, 126, 0.05);
}

.stat-item:nth-child(2)::before {
  background: rgba(0, 184, 169, 0.05);
}

.stat-item:nth-child(3)::before {
  background: rgba(255, 217, 61, 0.05);
}

.stat-item:nth-child(4)::before {
  background: rgba(255, 126, 95, 0.05);
}

.stat-item:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: 0 12px 32px rgba(255, 78, 126, 0.12), 8px 8px 0 #FFD6E0;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #FF4E7E, #FF7E5F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, #00B8A9, #2EC4B6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(3) .stat-number {
  background: linear-gradient(135deg, #FFD93D, #FF9A2E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(4) .stat-number {
  background: linear-gradient(135deg, #FF7E5F, #FF4E7E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.86rem;
  opacity: 0.7;
  margin-top: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #6C7A89;
}

/* ============ 内容墙 ============ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: none;
  background: #fff;
  box-shadow: 0 4px 16px rgba(45, 52, 54, 0.05);
  transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.2);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: 0 20px 48px rgba(255, 78, 126, 0.12), 6px 6px 0 #FFE8D6;
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.2);
  display: block;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 22px;
  position: relative;
  background: #fff;
}

.content-wall-body .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  background: #FFF0F5;
  color: #FF4E7E;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.content-wall-body h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2D3436;
  line-height: 1.4;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: #6C7A89;
  line-height: 1.6;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: none;
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  box-shadow: 0 2px 10px rgba(45, 52, 54, 0.04);
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
}

.faq-item:nth-child(1) { border-left-color: #FF4E7E; }
.faq-item:nth-child(2) { border-left-color: #00B8A9; }
.faq-item:nth-child(3) { border-left-color: #FFD93D; }
.faq-item:nth-child(4) { border-left-color: #FF7E5F; }

.faq-item:hover {
  box-shadow: 0 6px 20px rgba(45, 52, 54, 0.08);
  transform: translateX(4px);
}

.faq-item.open {
  box-shadow: 0 8px 28px rgba(255, 78, 126, 0.1);
}

.faq-item .faq-question {
  padding: 22px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2D3436;
  gap: 20px;
  transition: color 0.3s ease;
}

.faq-item:hover .faq-question {
  color: #FF4E7E;
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.5rem;
  font-weight: 300;
  color: #FF4E7E;
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.4);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item:nth-child(2) .faq-question::after {
  color: #00B8A9;
}

.faq-item:nth-child(3) .faq-question::after {
  color: #FF9A2E;
}

.faq-item:nth-child(4) .faq-question::after {
  color: #FF7E5F;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg) scale(1.2);
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  opacity: 0.75;
  color: #4A4A4A;
  line-height: 1.8;
  font-size: 0.95rem;
  border-top: 1px dashed #F0E8E0;
  margin-top: 0;
  padding-top: 16px;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFadeIn 0.4s ease;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 0.75;
    transform: translateY(0);
  }
}

/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, #FF4E7E, #FF7E5F 40%, #FFB86C);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 78, 126, 0.3);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: 140px;
  height: 140px;
  border: 3px dashed rgba(255,255,255,0.3);
  border-radius: 50%;
  animation: spinSlow 15s linear infinite;
}

.cta-banner::after {
  content: '✦';
  position: absolute;
  bottom: 20px;
  right: 40px;
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
  animation: twinkle 2.5s ease-in-out infinite;
}

@keyframes spinSlow {
  to { transform: rotate(360deg); }
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 12px rgba(0,0,0,0.1);
  letter-spacing: -0.5px;
}

.cta-banner p {
  color: rgba(255,255,255,0.92);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #FF4E7E;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
  font-weight: 800;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
  background: #FFF9F3;
}

.cta-banner .btn-primary::after {
  background: linear-gradient(90deg, transparent, rgba(255, 78, 126, 0.15), transparent);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 64px 0 32px;
  background: linear-gradient(180deg, #FFF9F3, #FFF0F5);
  color: #6C7A89;
  border-top: 2px solid #FFE8D6;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, #FF4E7E, #FFD93D, #00B8A9, #FF7E5F, #FF4E7E);
  background-size: 300% 100%;
  animation: gradShift 6s ease infinite;
}

.site-footer::after {
  content: '♥';
  position: absolute;
  top: 30px;
  right: 8%;
  font-size: 2rem;
  color: rgba(255, 78, 126, 0.08);
  transform: rotate(-15deg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.footer-brand h3 {
  color: #2D3436;
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #6C7A89;
}

.footer-col h4 {
  color: #2D3436;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, #FF4E7E, #FFD93D);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  text-decoration: none;
  color: #6C7A89;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a::before {
  content: '›';
  color: #FF4E7E;
  font-weight: 800;
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.3s ease;
}

.footer-col ul li a:hover {
  color: #FF4E7E;
  transform: translateX(4px);
}

.footer-col ul li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  border-top: 1px solid rgba(45, 52, 54, 0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #6C7A89;
  position: relative;
  z-index: 1;
}

.footer-bottom span {
  color: #FF4E7E;
  font-weight: 700;
}

/* ============ 工具类 ============ */
.text-accent {
  color: #FF4E7E;
  font-weight: 700;
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #4A4A4A;
  line-height: 1.8;
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ============ 滚动动画 ============ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease;
}

.section .section-label,
.section .section-title {
  animation: fadeInUp 0.6s ease both;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 243, 0.98);
    padding: 28px 24px;
    gap: 18px;
    border-bottom: 2px solid #FFE8D6;
    box-shadow: 0 16px 48px rgba(45, 52, 54, 0.12);
    backdrop-filter: blur(20px);
  }

  .main-nav.open a {
    font-size: 1.1rem;
    padding: 8px 0;
  }

  .main-nav.open .nav-cta {
    padding: 12px !important;
    text-align: center;
    font-size: 1rem;
  }

  .nav-cta {
    border-radius: 50px !important;
    padding: 10px 18px !important;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-image {
    margin-top: 32px;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-wrap: wrap;
  }

  .cta-banner {
    padding: 40px 20px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero .container::before,
  .hero .container::after {
    display: none;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: 24px 20px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .feature-text {
    padding-right: 0;
  }

  .cta-banner {
    padding: 32px 12px;
    border-radius: 20px;
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .cta-banner::after {
    display: none;
  }
}