/* 基础重置 */
*, *::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: linear-gradient(135deg, #fce4ec 0%, #f3e5f5 30%, #e8eaf6 60%, #e0f7fa 100%);
  min-height: 100vh;
  color: #2d2b4a;
}

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

.section { 
  padding:80px 0; 
  position: relative;
}

.section:nth-child(even) { 
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(10px);
}

/* 导航 — 固定顶部 */
.site-header { 
  position:fixed; 
  top:0; 
  left:0; 
  width:100%; 
  z-index:1000; 
  background: rgba(255, 240, 245, 0.92); 
  backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(255, 182, 193, 0.3);
  box-shadow: 0 4px 30px rgba(255, 105, 180, 0.08);
}

.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:8px; 
  font-weight:700; 
  font-size:1.2rem; 
  text-decoration:none; 
  color: #d63384;
  letter-spacing: 1px;
  text-shadow: 2px 2px 0 rgba(255, 182, 193, 0.3);
}

.logo-icon { 
  width:36px; 
  height:36px; 
  border-radius: 50%; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  font-size:1rem; 
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 154, 158, 0.4);
}

.main-nav { 
  display:flex; 
  align-items:center; 
  gap:24px; 
  list-style:none; 
}

.main-nav a { 
  text-decoration:none; 
  font-size:0.9rem; 
  font-weight:500; 
  transition:0.3s; 
  color: #5a4a7a;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover {
  color: #d63384;
  border-bottom-color: #ff9a9e;
}

.nav-cta { 
  padding:8px 20px; 
  border-radius: 50px; 
  color:#fff!important; 
  font-weight:600; 
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  box-shadow: 0 4px 15px rgba(255, 154, 158, 0.3);
  border: none !important;
}

.menu-toggle { 
  display:none; 
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #d63384;
  cursor: pointer;
}

/* 首页Hero */
.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(255, 154, 158, 0.2), 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:0.75rem; 
  font-weight:700; 
  padding:6px 18px; 
  border-radius:50px; 
  margin-bottom:20px; 
  background: linear-gradient(135deg, #fbc2eb, #a6c1ee);
  color: #fff;
  letter-spacing: 3px;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(251, 194, 235, 0.4);
}

.hero h1 { 
  font-size:3.2rem; 
  line-height:1.15; 
  margin-bottom:20px; 
  background: linear-gradient(135deg, #d63384, #6a5acd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
  letter-spacing: -1px;
}

.hero p { 
  font-size:1.15rem; 
  opacity:0.8; 
  max-width:560px; 
  margin-bottom:36px; 
  color: #5a4a7a;
  line-height: 1.7;
}

.hero-buttons { 
  display:flex; 
  gap:14px; 
}

.hero-image { 
  border-radius: 20px; 
  overflow:hidden; 
  box-shadow: 0 20px 60px rgba(255, 105, 180, 0.15);
  border: 3px solid rgba(255, 255, 255, 0.5);
}

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

/* 按钮 */
.btn { 
  display:inline-flex; 
  align-items:center; 
  gap:8px; 
  padding:14px 32px; 
  border-radius:50px; 
  font-weight:600; 
  cursor:pointer; 
  border:none; 
  text-decoration:none; 
  transition:0.3s; 
  font-size: 0.95rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 105, 180, 0.25);
}

.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  box-shadow: 0 4px 15px rgba(255, 154, 158, 0.3);
}

.btn-outline { 
  background:transparent; 
  border:2px solid #d63384; 
  color: #d63384;
}

.btn-outline:hover {
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  color: #fff;
  border-color: transparent;
}

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.7rem; 
  font-weight:700; 
  letter-spacing:3px; 
  margin-bottom:12px; 
  color: #d63384;
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, #ff9a9e, #fad0c4);
}

.section-title { 
  font-size:2.2rem; 
  margin-bottom:14px; 
  font-weight: 800;
  color: #2d2b4a;
  letter-spacing: -0.5px;
}

.section-desc { 
  max-width:600px; 
  opacity:0.7; 
  margin-bottom:40px; 
  color: #5a4a7a;
  line-height: 1.8;
}

/* 卡片网格 */
.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); 
  gap:24px; 
}

.category-card { 
  border-radius:20px; 
  padding:32px; 
  border: 2px solid rgba(255, 182, 193, 0.3);
  transition:0.3s; 
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow: 0 12px 40px rgba(255, 105, 180, 0.15);
  border-color: #ff9a9e;
}

.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, #fbc2eb, #a6c1ee);
  color: #fff;
  box-shadow: 0 4px 12px rgba(166, 193, 238, 0.3);
}

.card-link { 
  font-weight:600; 
  font-size:0.85rem; 
  text-decoration:none; 
  color: #d63384;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link::after {
  content: '→';
  transition: 0.3s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:56px; 
  align-items:center; 
}

.feature-image { 
  border-radius:20px; 
  overflow:hidden; 
  box-shadow: 0 20px 60px rgba(255, 105, 180, 0.1);
  border: 3px solid rgba(255, 255, 255, 0.5);
}

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

.feature-text { 
  
}

.feature-list { 
  list-style:none; 
}

.feature-list li { 
  padding:8px 0; 
  display:flex; 
  align-items:center; 
  gap:10px; 
  color: #5a4a7a;
}

.feature-list li::before { 
  content:'✓'; 
  font-weight:700; 
  color: #d63384;
  font-size: 1.2rem;
}

/* 数据条 */
.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:24px; 
  text-align:center; 
}

.stat-item { 
  padding:28px; 
  border-radius:20px; 
  border: 2px solid rgba(255, 182, 193, 0.3);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
}

.stat-number { 
  font-size:2.5rem; 
  font-weight:900; 
  background: linear-gradient(135deg, #d63384, #6a5acd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { 
  font-size:0.9rem; 
  opacity:0.6; 
  margin-top:8px; 
  color: #5a4a7a;
}

/* 内容墙 */
.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:24px; 
}

.content-wall-item { 
  border-radius:20px; 
  overflow:hidden; 
  border: 2px solid rgba(255, 182, 193, 0.3);
  transition:0.3s; 
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow: 0 12px 40px rgba(255, 105, 180, 0.15);
  border-color: #ff9a9e;
}

.content-wall-item img { 
  width:100%; 
  height:200px; 
  object-fit:cover; 
}

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

.content-wall-body h3 {
  color: #2d2b4a;
  margin-bottom: 8px;
}

.content-wall-body p {
  color: #5a4a7a;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* FAQ */
.faq-list { 
  max-width:800px; 
  margin:0 auto; 
}

.faq-item { 
  border: 2px solid rgba(255, 182, 193, 0.3);
  border-radius:16px; 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer; 
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  transition: 0.3s;
}

.faq-item:hover {
  border-color: #ff9a9e;
}

.faq-item .faq-question { 
  padding:18px 24px; 
  font-weight:600; 
  display:flex; 
  justify-content:space-between; 
  color: #2d2b4a;
  font-size: 1.05rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #d63384;
  transition: 0.3s;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-item .faq-answer { 
  padding:0 24px 18px; 
  display:none; 
  opacity:0.8; 
  color: #5a4a7a;
  line-height: 1.7;
}

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

/* CTA横幅 */
.cta-banner { 
  padding:64px 24px; 
  text-align:center; 
  border-radius:24px; 
  background: linear-gradient(135deg, #ff9a9e, #fad0c4, #a6c1ee);
  color:#fff; 
  box-shadow: 0 20px 60px rgba(255, 105, 180, 0.2);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 60%);
  pointer-events: none;
}

.cta-banner h2 { 
  color:#fff; 
  font-size: 2.2rem;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}

.cta-banner .btn-primary { 
  background:#fff; 
  color: #d63384;
  box-shadow: 0 4px 15px rgba(255,255,255,0.3);
}

.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.4);
}

/* 页脚 */
.site-footer { 
  padding:56px 0 28px; 
  background: rgba(255, 240, 245, 0.8);
  backdrop-filter: blur(10px);
  border-top: 2px solid rgba(255, 182, 193, 0.3);
}

.site-footer .container { 
  
}

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

.footer-brand { 
  
}

.footer-brand p {
  color: #5a4a7a;
  opacity: 0.7;
  line-height: 1.7;
}

.footer-col { 
  
}

.footer-col h4 {
  color: #d63384;
  margin-bottom: 16px;
  font-size: 1rem;
}

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

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

.footer-col ul li a {
  color: #5a4a7a;
  text-decoration: none;
  opacity: 0.7;
  transition: 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: #d63384;
}

.footer-bottom { 
  border-top: 2px solid rgba(255, 182, 193, 0.2); 
  margin-top:40px; 
  padding-top:20px; 
  text-align:center; 
  font-size:0.85rem; 
  color: #5a4a7a;
  opacity: 0.6;
}

/* 工具类 */
.text-accent { 
  color: #d63384;
}

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

.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  opacity:0.7; 
  color: #5a4a7a;
  line-height: 1.8;
}

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

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .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:68px; left:0; width:100%; background: rgba(255, 240, 245, 0.98); padding:20px; border-bottom: 2px solid rgba(255, 182, 193, 0.3); }
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
}

@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: 1.8rem; }
  .section-title { font-size: 1.5rem; }
}