:root {
  --primary: #FF6B5E;
  --primary-dark: #F4503C;
  --secondary: #FFD166;
  --accent: #B28FE0;
  --bg-main: #FFF8F4;
  --bg-soft: #FFF0EA;
  --bg-cream: #FFFDF9;
  --text-main: #2D1B1B;
  --text-muted: #9B7A78;
  --card-bg: #FFFFFF;
  --border-soft: rgba(255, 107, 94, 0.14);
  --shadow-warm: 0 10px 30px rgba(244, 80, 60, 0.10), 0 4px 12px rgba(178, 143, 224, 0.08);
  --shadow-hover: 0 18px 40px rgba(244, 80, 60, 0.18), 0 8px 20px rgba(178, 143, 224, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  position: relative;
}

/* 背景光晕装饰 */
body::before {
  content: '';
  position: fixed;
  top: -180px;
  right: -180px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(178, 143, 224, 0.18) 0%, rgba(178, 143, 224, 0) 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -160px;
  left: -160px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 94, 0.14) 0%, rgba(255, 107, 94, 0) 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
}

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

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-soft);
  background-image: radial-gradient(circle at 85% 20%, rgba(255, 209, 102, 0.12) 0%, transparent 50%);
  border-top: 1px solid rgba(255, 107, 94, 0.06);
  border-bottom: 1px solid rgba(255, 107, 94, 0.06);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 244, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 2px 20px rgba(178, 143, 224, 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: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 94, 0.35);
  font-weight: 800;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 6px 2px;
  transition: color 0.25s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--primary);
}

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255, 107, 94, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(255, 107, 94, 0.4);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffe8dd, #fff0f0);
  border: 1px solid var(--border-soft);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.4rem;
}

/* ===== 首页 Hero ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(255, 209, 102, 0.14) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 85%, rgba(178, 143, 224, 0.16) 0%, transparent 42%),
    radial-gradient(circle at 75% 25%, rgba(255, 107, 94, 0.10) 0%, transparent 35%),
    linear-gradient(180deg, #FFF9F5 0%, #FFF4EE 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 12%;
  right: 5%;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.5) 30%, transparent 32%), radial-gradient(circle, transparent 60%, rgba(255, 209, 102, 0.09) 61%, transparent 63%);
  background-size: 12px 12px, 28px 28px;
  border-radius: 50%;
  opacity: 0.5;
  z-index: 0;
}

.hero::after {
  content: '🌄';
  position: absolute;
  bottom: 8%;
  right: 10%;
  font-size: 4.2rem;
  opacity: 0.22;
  filter: saturate(1.4);
  animation: floatY 5s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(4deg); }
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.35), rgba(255, 107, 94, 0.25));
  color: var(--primary-dark);
  margin-bottom: 20px;
  letter-spacing: 1.5px;
  border: 1px solid rgba(255, 107, 94, 0.15);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.18;
  margin-bottom: 24px;
  font-weight: 800;
  background: linear-gradient(120deg, #F4503C 0%, #FF8C42 35%, var(--accent) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
  color: #6B504C;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-warm);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.hero-image:hover img {
  transform: scale(1.02);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 107, 94, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 12px 32px rgba(255, 107, 94, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(255, 107, 94, 0.08);
  border-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* ===== 标签 / 标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 16px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  letter-spacing: -0.4px;
}

.section-desc {
  max-width: 620px;
  opacity: 0.7;
  margin-bottom: 44px;
  line-height: 1.8;
  color: #6B504C;
  font-size: 1.05rem;
}

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

.category-card {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 107, 94, 0.08);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 107, 94, 0.18);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #FFE8DD, #FFF0F0);
  color: var(--primary);
}

.category-card:nth-child(even) .card-icon {
  background: linear-gradient(135deg, #EFE7FB, #F7F0FF);
  color: var(--accent);
}

.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.card-link:hover {
  gap: 10px;
}

.card-link::after {
  content: '→';
  transition: transform 0.2s;
}

/* ===== 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;
  position: relative;
  box-shadow: var(--shadow-warm);
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 107, 94, 0.05), rgba(178, 143, 224, 0.06));
  z-index: 1;
  pointer-events: none;
}

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

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text { font-size: 1.05rem; line-height: 1.8; }

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #5D4440;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
  background: #FFEDE4;
  width: 22px;
  height: 22px;
  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 18px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  opacity: 0;
  transition: opacity 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm);
}

.stat-item:hover::after {
  opacity: 1;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  color: #6B504C;
  font-weight: 500;
}

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

.content-wall-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--card-bg);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: var(--shadow-hover);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #FFE8DD, #EFE7FB);
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 20px 22px 24px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-main);
}

.content-wall-body p {
  font-size: 0.9rem;
  color: #8B6E6A;
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--card-bg);
  transition: box-shadow 0.25s, border-color 0.25s;
}

.faq-item:hover {
  border-color: rgba(255, 107, 94, 0.25);
  box-shadow: 0 4px 16px rgba(244, 80, 60, 0.08);
}

.faq-item.open {
  border-color: rgba(255, 107, 94, 0.3);
  box-shadow: 0 6px 20px rgba(244, 80, 60, 0.1);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
  font-size: 1.02rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  line-height: 1;
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  opacity: 0.68;
  color: #6B504C;
  line-height: 1.7;
  font-size: 0.98rem;
  animation: fadeSlideIn 0.3s ease;
}

.faq-item.open .faq-answer {
  display: block;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.68; transform: translateY(0); }
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #FF6B5E 0%, #FF9470 50%, #B28FE0 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(244, 80, 60, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 65%);
  border-radius: 50%;
}

.cta-banner::after {
  content: '♥';
  position: absolute;
  bottom: -16px;
  left: 8%;
  font-size: 5rem;
  opacity: 0.12;
  color: #fff;
  transform: rotate(-15deg);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 480px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 60px 0 28px;
  background: linear-gradient(180deg, #FFF8F4 0%, #FFEFE8 100%);
  border-top: 1px solid var(--border-soft);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 209, 102, 0.5), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: #9B7A78;
  opacity: 0.7;
  margin-top: 10px;
  font-size: 0.95rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-main);
  position: relative;
}

.footer-col h4::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin-right: 8px;
  vertical-align: middle;
}

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

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul a {
  color: #8B6E6A;
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s, padding-left 0.2s;
  padding-left: 0;
}

.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 107, 94, 0.12);
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #A08682;
}

/* ===== 工具类 ===== */
.text-accent { color: var(--primary); }
.text-center { text-align: center; }

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.68;
  color: #6B504C;
  font-size: 1.02rem;
  line-height: 1.8;
}

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

/* ===== 媒体查询 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.6rem; }
  .feature-block { gap: 44px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { min-height: auto; padding: 120px 0 70px; }
  .hero h1 { font-size: 2.1rem; line-height: 1.25; }

  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .feature-image { order: -1; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat-item { padding: 24px 12px; }
  .stat-number { font-size: 1.8rem; }

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

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 244, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 32px;
    gap: 18px;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 12px 30px rgba(178, 143, 224, 0.08);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 6px;
  }

  .menu-toggle {
    display: flex;
  }

  .cta-banner { padding: 48px 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; }

  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { justify-content: center; }

  .section-title { font-size: 1.6rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }

  .card-icon { width: 44px; height: 44px; font-size: 1.2rem; }

  .feature-list li { font-size: 0.95rem; }
}