*, *::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: #fdfcf7; color: #2d3a3a; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#f8f9fa; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,255,255,0.92); backdrop-filter:blur(12px); border-bottom:1px solid #e8e4d8; }
.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:800; font-size:1.25rem; text-decoration:none; color:#2d3a3a; letter-spacing:-0.02em; }
.logo-icon { width:36px; height:36px; border-radius:50% 50% 50% 8px; display:flex; align-items:center; justify-content:center; font-size:1rem; background:linear-gradient(135deg, #ff9a7a, #ff5e7e); color:#fff; transform:rotate(-8deg); }
.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; color:#2d3a3a; position:relative; padding:6px 0; transition:0.2s; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:linear-gradient(90deg, #ff9a7a, #ff5e7e); transition:width 0.3s; }
.main-nav a:hover { color:#ff5e7e; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:8px 20px; border-radius:40px; color:#fff!important; font-weight:600; background:linear-gradient(135deg, #ff9a7a, #ff5e7e); box-shadow:0 4px 12px rgba(255,94,126,0.3); }
.nav-cta::after { display:none; }
.menu-toggle { display:none; }

/* 首页Hero */
.hero { min-height:70vh; display:flex; align-items:center; position:relative; background: linear-gradient(145deg, #fff8f0 0%, #fdfcf7 40%, #eef7f5 100%); }
.hero::before { content:''; position:absolute; top:-100px; right:-100px; width:400px; height:400px; background:radial-gradient(circle, rgba(255,154,122,0.2), transparent 70%); border-radius:50%; }
.hero::after { content:''; position:absolute; bottom:-120px; left:-80px; width:350px; height:350px; background:radial-gradient(circle, rgba(255,94,126,0.15), transparent 70%); border-radius:50%; }
.hero .container { display:grid; grid-template-columns:1.2fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.hero-content { max-width:720px; }
.hero-eyebrow { display:inline-block; font-size:0.85rem; font-weight:700; padding:4px 14px; border-radius:40px; margin-bottom:16px; background:#fff; color:#ff5e7e; border:1px solid #ffe0e0; box-shadow:0 2px 8px rgba(255,94,126,0.1); }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:20px; color:#2d3a3a; letter-spacing:-0.03em; font-weight:800; }
.hero h1 span { background:linear-gradient(135deg, #ff9a7a, #ff5e7e); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.05rem; opacity:0.7; max-width:560px; margin-bottom:32px; color:#4a5a5a; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:24px; overflow:hidden; box-shadow:0 20px 50px rgba(45,58,58,0.15); transform:rotate(2deg) scale(0.98); transition:transform 0.4s ease; }
.hero-image:hover { transform:rotate(0deg) scale(1); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 28px; border-radius:40px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #ff9a7a, #ff5e7e); box-shadow:0 6px 20px rgba(255,94,126,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(255,94,126,0.45); }
.btn-outline { background:transparent; border:1.5px solid #ff5e7e; color:#ff5e7e; }
.btn-outline:hover { background:rgba(255,94,126,0.08); transform:translateY(-2px); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.8rem; font-weight:700; letter-spacing:2px; margin-bottom:12px; color:#ff5e7e; text-transform:uppercase; }
.section-title { font-size:2rem; margin-bottom:14px; color:#2d3a3a; letter-spacing:-0.02em; font-weight:800; line-height:1.2; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#4a5a5a; line-height:1.7; }

/* 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:28px; background:#fff; border:1px solid #f0ece2; transition:0.3s; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:4px; background:linear-gradient(90deg, #ff9a7a, #ff5e7e); transform:scaleX(0); transform-origin:left; transition:transform 0.4s; }
.category-card:hover { transform:translateY(-6px) scale(1.02); box-shadow:0 12px 30px rgba(255,94,126,0.15); }
.category-card:hover::before { transform:scaleX(1); }
.card-icon { width:48px; height:48px; border-radius:16px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.3rem; background:linear-gradient(135deg, #fff1e8, #ffe0e3); }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#ff5e7e; display:inline-flex; align-items:center; gap:4px; transition:gap 0.2s; }
.card-link:hover { gap:8px; }

/* 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 15px 40px rgba(45,58,58,0.12); }
.feature-image img { width:100%; height:auto; display:block; transition:transform 0.5s; }
.feature-image:hover img { transform:scale(1.03); }
.feature-text { }
.feature-list { list-style:none; margin-top:16px; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:8px; color:#4a5a5a; }
.feature-list li::before { content:'✓'; font-weight:700; color:#ff5e7e; background:rgba(255,94,126,0.1); width:22px; height:22px; display:flex; align-items:center; justify-content:center; border-radius:50%; font-size:0.75rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:32px 24px; border-radius:20px; background:#fff; border:1px solid #f0ece2; transition:0.3s; }
.stat-item:hover { transform:translateY(-4px); box-shadow:0 10px 30px rgba(255,154,122,0.15); }
.stat-number { font-size:2.4rem; font-weight:800; color:#ff5e7e; letter-spacing:-0.03em; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#4a5a5a; }

/* 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:1px solid #f0ece2; background:#fff; transition:0.3s; }
.content-wall-item:hover { transform:translateY(-6px) rotate(1deg); box-shadow:0 12px 32px rgba(255,94,126,0.15); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; transition:transform 0.4s; display:block; }
.content-wall-item:hover img { transform:scale(1.05); }
.content-wall-body { padding:20px; }
.content-wall-body h3 { font-size:1.05rem; margin-bottom:6px; color:#2d3a3a; }
.content-wall-body p { font-size:0.85rem; color:#4a5a5a; opacity:0.7; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #f0ece2; border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:box-shadow 0.3s; }
.faq-item:hover { box-shadow:0 4px 16px rgba(255,154,122,0.12); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; color:#2d3a3a; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#ff5e7e; transition:transform 0.3s; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#4a5a5a; line-height:1.6; }
.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, #ff9a7a, #ff5e7e); color:#fff; position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-50px; right:-50px; width:200px; height:200px; background:rgba(255,255,255,0.15); border-radius:50%; }
.cta-banner::after { content:''; position:absolute; bottom:-60px; left:-40px; width:150px; height:150px; background:rgba(255,255,255,0.1); border-radius:50%; }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; letter-spacing:-0.02em; }
.cta-banner p { color:rgba(255,255,255,0.9); margin-bottom:28px; max-width:400px; margin-left:auto; margin-right:auto; }
.cta-banner .btn-primary { background:#fff; color:#ff5e7e; box-shadow:0 4px 16px rgba(0,0,0,0.1); }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:#2d3a3a; color:rgba(255,255,255,0.9); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand p { opacity:0.6; font-size:0.9rem; line-height:1.6; margin-top:12px; max-width:260px; }
.footer-col h4 { font-size:0.95rem; margin-bottom:16px; color:#fff; font-weight:600; }
.footer-col a { display:block; color:rgba(255,255,255,0.7); text-decoration:none; padding:4px 0; font-size:0.9rem; transition:color 0.2s; }
.footer-col a:hover { color:#ff9a7a; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.12); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color:rgba(255,255,255,0.5); }

/* 工具类 */
.text-accent { color:#ff5e7e; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#4a5a5a; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; width:44px; height:44px; border:none; background:transparent; cursor:pointer; color:#2d3a3a; font-size:1.4rem; border-radius:12px; }
  .menu-toggle:hover { background:rgba(255,94,126,0.1); }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fff; padding:24px; border-bottom:1px solid #f0ece2; box-shadow:0 20px 40px rgba(0,0,0,0.08); gap:16px; }
  .main-nav.open .nav-cta { display:inline-block; text-align:center; }
  .hero .container { grid-template-columns:1fr; text-align:center; }
  .hero p { margin-left:auto; margin-right:auto; }
  .hero-buttons { justify-content:center; }
  .hero-image { transform:none; margin-top:24px; }
}
@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 h1 { font-size:2.2rem; }
  .section-title { font-size:1.6rem; }
  .stat-number { font-size:1.8rem; }
}