*, *::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: #fefcf5; color: #4a3f35; }

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section:nth-child(even) { background: #f8f4ec; }

/* 导航 — 固定顶部 使用暖白/浅杏色 */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(254,252,245,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid #e8ddd0; }
.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: 700; font-size: 1.3rem; text-decoration: none; color: #4a3f35; letter-spacing: 1px; }
.logo-icon { width: 38px; height: 38px; border-radius: 50%; background: #f7a072; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: #fff; box-shadow: 0 4px 12px rgba(247,160,114,0.3); }
.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: #6b5e50; transition: 0.2s; padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover { color: #f7a072; border-bottom-color: #f7a072; }
.nav-cta { padding: 8px 22px; border-radius: 40px; background: #f7a072; color: #fff !important; font-weight: 600; border-bottom: none !important; }
.nav-cta:hover { background: #e8895a; color: #fff !important; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: #4a3f35; cursor: pointer; }

/* 首页Hero — 杂志/报纸风格 大标题 浅色背景 */
.hero { min-height: 70vh; display: flex; align-items: center; padding: 100px 0 60px; background: linear-gradient(135deg, #fefcf5 0%, #f8eee4 100%); position: relative; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 40px; background: #f8f4ec; clip-path: ellipse(70% 100% at 50% 100%); }
.hero-content { max-width: 780px; position: relative; z-index: 2; }
.hero-eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 3px; padding: 6px 18px; border-radius: 40px; background: #f7a072; color: #fff; margin-bottom: 20px; text-transform: uppercase; }
.hero h1 { font-size: 3.2rem; line-height: 1.15; margin-bottom: 20px; color: #3a3026; font-weight: 800; letter-spacing: -0.5px; }
.hero p { font-size: 1.15rem; opacity: 0.75; max-width: 580px; margin-bottom: 36px; color: #5f5143; }
.hero-buttons { display: flex; gap: 16px; }
.hero-image { border-radius: 20px; overflow: hidden; box-shadow: 0 12px 40px rgba(74,63,53,0.08); }
.hero-image img { width: 100%; height: auto; display: block; }

/* 按钮 — 圆润 温暖 */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 40px; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: 0.25s; font-size: 0.95rem; }
.btn-primary { background: #f7a072; color: #fff; box-shadow: 0 4px 14px rgba(247,160,114,0.3); }
.btn-primary:hover { background: #e8895a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(247,160,114,0.4); }
.btn-outline { background: transparent; border: 2px solid #d4c5b5; color: #4a3f35; }
.btn-outline:hover { border-color: #f7a072; color: #f7a072; background: rgba(247,160,114,0.05); }

/* 标签/标题 */
.section-label { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: #f7a072; margin-bottom: 12px; }
.section-title { font-size: 2.2rem; margin-bottom: 14px; color: #3a3026; font-weight: 700; }
.section-desc { max-width: 600px; opacity: 0.7; margin-bottom: 40px; color: #5f5143; }

/* 卡片网格 — 柔和层叠 纸质感 */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; }
.category-card { border-radius: 16px; padding: 32px; background: #fff; border: 1px solid #ece3d8; transition: 0.25s; box-shadow: 0 2px 8px rgba(74,63,53,0.04); }
.category-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(74,63,53,0.08); border-color: #f7a072; }
.card-icon { width: 52px; height: 52px; border-radius: 14px; background: #f8eee4; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.5rem; color: #f7a072; }
.card-link { font-weight: 600; font-size: 0.85rem; text-decoration: none; color: #f7a072; display: inline-flex; align-items: center; gap: 4px; }
.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 8px 24px rgba(74,63,53,0.06); }
.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: #4a3f35; }
.feature-list li::before { content: '✓'; font-weight: 700; color: #f7a072; font-size: 1.1rem; }

/* 数据条 — 杂志风格数字 */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item { padding: 28px 16px; border-radius: 16px; background: #fff; border: 1px solid #ece3d8; transition: 0.2s; }
.stat-item:hover { border-color: #f7a072; }
.stat-number { font-size: 2.6rem; font-weight: 800; color: #3a3026; line-height: 1; }
.stat-label { font-size: 0.85rem; opacity: 0.6; margin-top: 8px; color: #6b5e50; letter-spacing: 1px; }

/* 内容墙 — 卡片层叠 杂志网格 */
.content-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.content-wall-item { border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid #ece3d8; transition: 0.25s; }
.content-wall-item:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(74,63,53,0.08); }
.content-wall-item img { width: 100%; height: 200px; object-fit: cover; display: block; }
.content-wall-body { padding: 22px; }
.content-wall-body h3 { font-size: 1.1rem; margin-bottom: 6px; color: #3a3026; }
.content-wall-body p { font-size: 0.85rem; opacity: 0.7; color: #5f5143; }

/* FAQ — 简约折叠卡片 */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid #ece3d8; border-radius: 14px; margin-bottom: 10px; overflow: hidden; cursor: pointer; background: #fff; transition: 0.2s; }
.faq-item:hover { border-color: #f7a072; }
.faq-item .faq-question { padding: 18px 22px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; color: #3a3026; }
.faq-item .faq-question::after { content: '+'; font-size: 1.2rem; color: #f7a072; transition: 0.2s; }
.faq-item.open .faq-question::after { content: '−'; }
.faq-item .faq-answer { padding: 0 22px 18px; display: none; opacity: 0.75; color: #5f5143; line-height: 1.6; }
.faq-item.open .faq-answer { display: block; }

/* CTA横幅 — 暖色渐变 */
.cta-banner { padding: 64px 24px; text-align: center; border-radius: 24px; background: linear-gradient(135deg, #f7a072, #e8895a); color: #fff; }
.cta-banner h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
.cta-banner p { opacity: 0.9; margin-bottom: 28px; }
.cta-banner .btn-primary { background: #fff; color: #4a3f35; box-shadow: 0 4px 14px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { background: #f8f4ec; }

/* 页脚 — 暖调深色 */
.site-footer { padding: 56px 0 28px; background: #3a3026; color: #e8ddd0; }
.site-footer .container { }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand { }
.footer-brand .logo { color: #fefcf5; }
.footer-brand p { opacity: 0.7; font-size: 0.9rem; margin-top: 12px; }
.footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 14px; color: #fefcf5; }
.footer-col ul { list-style: none; }
.footer-col ul li { padding: 4px 0; }
.footer-col ul li a { color: #cbb9a8; text-decoration: none; font-size: 0.85rem; transition: 0.2s; }
.footer-col ul li a:hover { color: #f7a072; }
.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: 0.6; color: #cbb9a8; }

/* 工具类 */
.text-accent { color: #f7a072; }
.text-center { text-align: center; }
.seo-description { max-width: 600px; margin: 0 auto 48px; opacity: 0.7; color: #5f5143; }
.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; align-items: center; justify-content: center; width: 40px; height: 40px; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; width: 100%; background: #fefcf5; padding: 24px; gap: 16px; border-bottom: 1px solid #e8ddd0; }
  .hero h1 { font-size: 2.2rem; }
}
@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: 1.6rem; }
}