/* 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:#FFFAF5; color:#3D2C2A; line-height:1.6; }

/* 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:#FFF5ED; }
.section:nth-child(even)::before { content:''; position:absolute; top:-40px; right:-60px; width:180px; height:180px; border-radius:50%; background:radial-gradient(circle, rgba(255,107,107,0.08) 0%, transparent 70%); pointer-events:none; z-index:0; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,250,245,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid rgba(255,107,107,0.12); transition:0.3s; }
.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:10px; font-weight:800; font-size:1.25rem; text-decoration:none; color:#3D2C2A; letter-spacing:-0.5px; }
.logo-icon { width:38px; height:38px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; background:linear-gradient(135deg, #FF6B6B, #FF8E53); color:#fff; box-shadow:0 4px 14px rgba(255,107,107,0.3); }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#5D4037; transition:0.25s; position:relative; padding:4px 0; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:linear-gradient(90deg, #FF6B6B, #FF8E53); border-radius:2px; transition:0.3s ease; }
.main-nav a:hover { color:#FF6B6B; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 24px; border-radius:50px; color:#fff!important; font-weight:700; background:linear-gradient(135deg, #FF6B6B, #FF8E53); box-shadow:0 4px 18px rgba(255,107,107,0.35); transition:0.3s; letter-spacing:0.3px; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(255,107,107,0.45); }
.nav-cta::after { display:none; }
.menu-toggle { display:none; width:40px; height:40px; border-radius:10px; border:1.5px solid rgba(255,107,107,0.2); background:#fff; cursor:pointer; align-items:center; justify-content:center; flex-direction:column; gap:5px; transition:0.2s; }
.menu-toggle span { display:block; width:20px; height:2px; background:#FF6B6B; border-radius:2px; transition:0.3s; }

/* 首页Hero */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; overflow:hidden; background:linear-gradient(160deg, #FFFAF5 0%, #FFF5ED 40%, #FFF0E8 100%); }
.hero::before { content:''; position:absolute; top:-15%; right:-8%; width:55%; height:130%; border-radius:50%; background:radial-gradient(ellipse, rgba(255,107,107,0.06) 0%, rgba(255,142,83,0.04) 40%, transparent 70%); pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:10%; left:5%; width:300px; height:300px; border-radius:50%; background:radial-gradient(circle, rgba(78,205,196,0.06) 0%, transparent 70%); pointer-events:none; }
.hero .container { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.hero-content { max-width:720px; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:0.8rem; font-weight:700; padding:6px 18px; border-radius:50px; margin-bottom:20px; background:rgba(255,107,107,0.1); color:#FF6B6B; letter-spacing:1.5px; text-transform:uppercase; }
.hero-eyebrow::before { content:''; width:8px; height:8px; border-radius:50%; background:#FF6B6B; animation:pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.6); } }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; font-weight:900; color:#2C1A16; letter-spacing:-1px; }
.hero h1 .highlight { background:linear-gradient(135deg, #FF6B6B, #FF8E53); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.75; max-width:500px; margin-bottom:36px; color:#5D4037; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:20px; overflow:hidden; position:relative; box-shadow:0 20px 50px rgba(255,107,107,0.15), 0 4px 12px rgba(0,0,0,0.04); }
.hero-image::after { content:''; position:absolute; inset:0; border-radius:20px; border:2px solid rgba(255,255,255,0.6); pointer-events:none; }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:50px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; letter-spacing:0.2px; position:relative; overflow:hidden; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #FF6B6B, #FF8E53); box-shadow:0 6px 22px rgba(255,107,107,0.3); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 10px 30px rgba(255,107,107,0.4); }
.btn-primary:active { transform:translateY(-1px); }
.btn-outline { background:transparent; border:2px solid #FF6B6B; color:#FF6B6B; }
.btn-outline:hover { background:rgba(255,107,107,0.06); transform:translateY(-2px); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:700; letter-spacing:2.5px; margin-bottom:14px; color:#FF6B6B; text-transform:uppercase; position:relative; padding-left:28px; }
.section-label::before { content:''; position:absolute; left:0; top:50%; transform:translateY(-50%); width:18px; height:2px; background:linear-gradient(90deg, #FF6B6B, #FF8E53); border-radius:2px; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:800; color:#2C1A16; letter-spacing:-0.5px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; font-size:1rem; color:#5D4037; line-height:1.7; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:24px; }
.category-card { border-radius:16px; padding:32px 28px; border:1.5px solid rgba(255,107,107,0.1); transition:0.35s; background:#fff; position:relative; cursor:pointer; }
.category-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; border-radius:16px 16px 0 0; background:linear-gradient(90deg, #FF6B6B, #FF8E53); opacity:0; transition:0.35s; }
.category-card:hover { transform:translateY(-6px); box-shadow:0 16px 40px rgba(255,107,107,0.12), 0 4px 8px rgba(0,0,0,0.04); border-color:rgba(255,107,107,0.25); }
.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:18px; font-size:1.4rem; background:linear-gradient(135deg, rgba(255,107,107,0.1), rgba(255,142,83,0.08)); color:#FF6B6B; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#FF6B6B; display:inline-flex; align-items:center; gap:6px; transition:0.2s; }
.card-link:hover { gap:10px; color:#FF8E53; }
.category-card h3 { font-size:1.15rem; font-weight:700; margin-bottom:8px; color:#2C1A16; }
.category-card p { font-size:0.9rem; color:#5D4037; opacity:0.7; line-height:1.6; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; position:relative; box-shadow:0 16px 40px rgba(255,107,107,0.1); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-text h3 { font-size:1.6rem; font-weight:800; margin-bottom:16px; color:#2C1A16; }
.feature-text p { color:#5D4037; opacity:0.7; line-height:1.7; margin-bottom:20px; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; font-size:0.95rem; color:#3D2C2A; }
.feature-list li::before { content:'✓'; font-weight:700; color:#4ECDC4; font-size:1.1rem; background:rgba(78,205,196,0.12); width:26px; height:26px; border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:16px; border:1.5px solid rgba(255,107,107,0.08); background:#fff; transition:0.3s; position:relative; }
.stat-item:hover { border-color:rgba(255,107,107,0.2); box-shadow:0 8px 24px rgba(255,107,107,0.08); }
.stat-number { font-size:2.4rem; font-weight:900; background:linear-gradient(135deg, #FF6B6B, #FF8E53); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#5D4037; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1.5px solid rgba(255,107,107,0.08); transition:0.35s; background:#fff; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 14px 36px rgba(255,107,107,0.1), 0 4px 8px rgba(0,0,0,0.03); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px; }
.content-wall-body h4 { font-weight:700; font-size:1rem; color:#2C1A16; margin-bottom:6px; }
.content-wall-body p { font-size:0.85rem; color:#5D4037; opacity:0.65; line-height:1.5; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1.5px solid rgba(255,107,107,0.1); border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.3s; }
.faq-item:hover { border-color:rgba(255,107,107,0.2); }
.faq-item .faq-question { padding:18px 22px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#2C1A16; font-size:0.95rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#FF6B6B; font-weight:400; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; transform:rotate(180deg); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#5D4037; font-size:0.9rem; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:rgba(255,107,107,0.3); box-shadow:0 4px 16px rgba(255,107,107,0.06); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FFA94D 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-30%; right:-15%; width:350px; height:350px; border-radius:50%; background:rgba(255,255,255,0.08); pointer-events:none; }
.cta-banner::after { content:''; position:absolute; bottom:-20%; left:-10%; width:250px; height:250px; border-radius:50%; background:rgba(255,255,255,0.05); pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; margin-bottom:12px; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:24px; position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:#FF6B6B; box-shadow:0 8px 28px rgba(0,0,0,0.15); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#fffefb; box-shadow:0 12px 32px rgba(0,0,0,0.2); }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#2C1A16; color:rgba(255,255,255,0.75); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color:#fff; margin-bottom:12px; }
.footer-brand p { opacity:0.6; font-size:0.9rem; line-height:1.7; }
.footer-col h4 { color:#fff; font-weight:700; margin-bottom:16px; font-size:0.95rem; }
.footer-col a { display:block; color:rgba(255,255,255,0.6); text-decoration:none; font-size:0.85rem; padding:4px 0; transition:0.2s; }
.footer-col a:hover { color:#FF8E53; padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.08); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; opacity:0.5; color:#fff; }

/* 工具类 */
.text-accent { color:#FF6B6B; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5D4037; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 装饰元素 */
.section-header { margin-bottom:44px; }
.section-header.text-center .section-label { padding-left:0; }
.section-header.text-center .section-label::before { display:none; }

/* 特色标签 */
.tag { display:inline-block; padding:4px 12px; border-radius:50px; font-size:0.75rem; font-weight:600; background:rgba(78,205,196,0.12); color:#3AAFA9; margin-right:6px; }

/* 图片悬停效果 */
.img-hover-zoom { overflow:hidden; border-radius:16px; }
.img-hover-zoom img { transition:0.5s ease; }
.img-hover-zoom:hover img { transform:scale(1.05); }

/* ⚠️ 响应式 */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns:1fr; text-align:center; }
  .hero-content { max-width:100%; }
  .hero p { max-width:100%; }
  .hero-buttons { justify-content:center; }
  .hero-image { max-width:500px; margin:0 auto; }
  .hero h1 { font-size:2.5rem; }
}
@media (max-width: 768px) {
  .section { padding:56px 0; }
  .section-title { font-size:1.7rem; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .hero h1 { font-size:2.1rem; }
  .hero { min-height:60vh; }
  .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:#FFFAF5; padding:20px 24px; border-bottom:1px solid rgba(255,107,107,0.1); box-shadow:0 12px 30px rgba(0,0,0,0.06); z-index:999; }
  .main-nav.open a { padding:10px 0; width:100%; }
  .nav-cta { text-align:center; justify-content:center; margin-top:8px; }
  .cta-banner { padding:40px 20px; border-radius:16px; }
  .cta-banner h2 { font-size:1.5rem; }
}
@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; }
  .hero h1 { font-size:1.8rem; }
  .section-title { font-size:1.4rem; }
  .container { padding:0 16px; }
  .header-inner { padding:0 16px; }
}