:root {
  --primary: #FF6B9D;
  --secondary: #C44AFF;
  --accent: #FFD93D;
  --bg: #F0F4FF;
  --card-bg: #FFFFFF;
  --text: #1A1A2E;
  --text-light: #6B7280;
  --border: #E8ECF4;
  --gradient-1: linear-gradient(135deg, #FF6B9D, #C44AFF);
  --gradient-2: linear-gradient(135deg, #FFD93D, #FF6B9D);
  --gradient-3: linear-gradient(135deg, #C44AFF, #6C63FF);
  --shadow: 0 8px 32px rgba(196, 74, 255, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { 
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; 
  overflow-x:hidden; 
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:100px 0; position: relative; }
.section:nth-child(even) { background: linear-gradient(180deg, #F8FAFF, #F0F4FF); }

.site-header { 
  position:fixed; 
  top:0; 
  left:0; 
  width:100%; 
  z-index:1000; 
  background: rgba(255,255,255,0.85); 
  backdrop-filter:blur(20px); 
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(196, 74, 255, 0.08);
}
.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:12px; 
  font-weight:800; 
  font-size:1.3rem; 
  text-decoration:none; 
  color: var(--text);
  letter-spacing: -0.5px;
}
.logo-icon { 
  width:40px; 
  height:40px; 
  border-radius:12px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  font-size:1.2rem; 
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 107, 157, 0.3);
}
.main-nav { 
  display:flex; 
  align-items:center; 
  gap:32px; 
  list-style:none; 
}
.main-nav a { 
  text-decoration:none; 
  font-size:0.9rem; 
  font-weight:600; 
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 100%; }
.nav-cta { 
  padding:10px 24px; 
  border-radius:50px; 
  color:#fff!important; 
  font-weight:700; 
  background: var(--gradient-1);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
  transition: var(--transition);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 107, 157, 0.4); }
.nav-cta::after { display: none !important; }
.menu-toggle { display:none; }

.hero { 
  min-height:80vh; 
  display:flex; 
  align-items:center; 
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(196, 74, 255, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-content { max-width:720px; position: relative; z-index: 1; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.85rem; 
  font-weight:700; 
  padding:6px 18px; 
  border-radius:50px; 
  margin-bottom:20px; 
  background: var(--gradient-2);
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero h1 { 
  font-size:3.2rem; 
  line-height:1.1; 
  margin-bottom:24px; 
  font-weight:900;
  letter-spacing: -1px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.15rem; 
  opacity:0.8; 
  max-width:560px; 
  margin-bottom:36px; 
  color: var(--text-light);
  line-height: 1.8;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:20px; 
  overflow:hidden; 
  box-shadow: var(--shadow);
  transform: perspective(1000px) rotateY(-5deg);
  transition: var(--transition);
}
.hero-image:hover { transform: perspective(1000px) rotateY(0deg); }
.hero-image img { width:100%; height:auto; display: block; }

.btn { 
  display:inline-flex; 
  align-items:center; 
  gap:10px; 
  padding:14px 32px; 
  border-radius:50px; 
  font-weight:700; 
  cursor:pointer; 
  border:none; 
  text-decoration:none; 
  transition: var(--transition);
  font-size: 0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: var(--gradient-1);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 107, 157, 0.4); }
.btn-outline { 
  background:transparent; 
  border:2px solid var(--border); 
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.section-label { 
  display:inline-block; 
  font-size:0.8rem; 
  font-weight:700; 
  letter-spacing:3px; 
  margin-bottom:16px; 
  text-transform: uppercase;
  color: var(--primary);
}
.section-title { 
  font-size:2.4rem; 
  margin-bottom:16px; 
  font-weight:800;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.section-desc { 
  max-width:600px; 
  opacity:0.8; 
  margin-bottom:48px; 
  color: var(--text-light);
  font-size: 1.05rem;
}

.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:20px; 
  padding:32px; 
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow: var(--shadow);
  border-color: transparent;
}
.category-card:hover::before { opacity: 1; }
.card-icon { 
  width:52px; 
  height:52px; 
  border-radius:14px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  margin-bottom:20px; 
  font-size:1.4rem; 
  background: var(--gradient-2);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 217, 61, 0.3);
}
.card-link { 
  font-weight:700; 
  font-size:0.9rem; 
  text-decoration:none; 
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-link:hover { gap: 10px; }

.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:64px; 
  align-items:center; 
}
.feature-image { 
  border-radius:20px; 
  overflow:hidden; 
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-image:hover { transform: scale(1.02); }
.feature-image img { width:100%; height:auto; display: block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:10px 0; 
  display:flex; 
  align-items:center; 
  gap:12px; 
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before { 
  content:'✓'; 
  font-weight:800; 
  color: var(--secondary);
  background: rgba(196, 74, 255, 0.1);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.8rem;
}

.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:28px; 
  text-align:center; 
}
.stat-item { 
  padding:32px 24px; 
  border-radius:20px; 
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.stat-item:hover { 
  transform: translateY(-4px); 
  box-shadow: var(--shadow);
  border-color: transparent;
}
.stat-number { 
  font-size:2.6rem; 
  font-weight:900; 
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label { 
  font-size:0.9rem; 
  opacity:0.7; 
  margin-top:8px; 
  color: var(--text-light);
}

.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:20px; 
  overflow:hidden; 
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow: var(--shadow);
  border-color: transparent;
}
.content-wall-item img { 
  width:100%; 
  height:220px; 
  object-fit:cover; 
  transition: var(--transition);
}
.content-wall-item:hover img { transform: scale(1.05); }
.content-wall-body { padding:24px; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 1px solid var(--border); 
  border-radius:16px; 
  margin-bottom:12px; 
  overflow:hidden; 
  cursor:pointer; 
  background: var(--card-bg);
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary); }
.faq-item .faq-question { 
  padding:20px 24px; 
  font-weight:700; 
  display:flex; 
  justify-content:space-between; 
  align-items: center;
  font-size: 1.05rem;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: var(--transition);
}
.faq-item.open .faq-question::after { content: '−'; transform: rotate(180deg); }
.faq-item .faq-answer { 
  padding:0 24px 20px; 
  display:none; 
  opacity:0.8; 
  color: var(--text-light);
  line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

.cta-banner { 
  padding:64px 32px; 
  text-align:center; 
  border-radius:24px; 
  background: var(--gradient-1);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
  border-radius: 50%;
}
.cta-banner h2 { 
  color:#fff; 
  font-size: 2rem;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.cta-banner p { 
  color: rgba(255,255,255,0.85); 
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary { 
  background:#fff; 
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }

.site-footer { 
  padding:64px 0 32px; 
  background: linear-gradient(180deg, var(--bg), #E8ECF4);
  border-top: 1px solid var(--border);
}
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:48px; 
}
.footer-brand { }
.footer-col h4 { 
  font-weight:700; 
  margin-bottom:16px; 
  color: var(--text);
}
.footer-col a { 
  display: block;
  color: var(--text-light);
  text-decoration: none;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { 
  border-top: 1px solid var(--border); 
  margin-top:48px; 
  padding-top:24px; 
  text-align:center; 
  font-size:0.85rem; 
  color: var(--text-light);
}

.text-accent { color: var(--primary); }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  opacity:0.8; 
  color: var(--text-light);
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .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(255,255,255,0.98); padding:24px; gap:16px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .hero { min-height: 60vh; }
}
@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; }
  .hero h1 { font-size: 2rem; }
  .section { padding: 60px 0; }
  .stat-number { font-size: 2rem; }
}