/* 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:#FFF7F0; color:#3D2C1E; }

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#FFF0E6; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,247,240,0.92); backdrop-filter:blur(12px); border-bottom:2px solid #E8D5C0; }
.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:10px; font-weight:800; font-size:1.4rem; text-decoration:none; color:#E07A5F; letter-spacing:-0.5px; }
.logo-icon { width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.2rem; background:#E07A5F; color:#FFF7F0; }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.95rem; font-weight:600; color:#5C4A3A; transition:0.2s; letter-spacing:0.5px; }
.main-nav a:hover { color:#E07A5F; }
.nav-cta { padding:10px 24px; border-radius:50px; background:#E07A5F; color:#FFF7F0!important; font-weight:700; box-shadow:0 4px 12px rgba(224,122,95,0.3); }
.nav-cta:hover { background:#D16A4F; transform:translateY(-2px); box-shadow:0 6px 18px rgba(224,122,95,0.4); }
.menu-toggle { display:none; background:none; border:2px solid #E8D5C0; border-radius:50%; width:44px; height:44px; align-items:center; justify-content:center; font-size:1.2rem; color:#5C4A3A; cursor:pointer; }

/* 首页Hero */
.hero { min-height:70vh; display:flex; align-items:center; background:linear-gradient(135deg, #FFF7F0 0%, #FFE8D6 100%); position:relative; overflow:hidden; }
.hero::before { content:'🍉'; position:absolute; right:-80px; top:-40px; font-size:400px; opacity:0.08; transform:rotate(-15deg); pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:700; padding:6px 18px; border-radius:50px; background:#E8D5C0; color:#5C4A3A; margin-bottom:20px; letter-spacing:2px; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; color:#3D2C1E; font-weight:900; letter-spacing:-1px; }
.hero h1 span { color:#E07A5F; display:inline-block; background:url("data:image/svg+xml,%3Csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='0' y1='100%25' x2='100%25' y2='100%25' stroke='%23E07A5F' stroke-width='4' stroke-dasharray='6 4'/%3E%3C/svg%3E") repeat-x bottom; padding-bottom:8px; }
.hero p { font-size:1.15rem; opacity:0.75; max-width:560px; margin-bottom:36px; line-height:1.7; color:#5C4A3A; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 40px rgba(224,122,95,0.15); border:3px solid #E8D5C0; }
.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:700; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.95rem; }
.btn-primary { background:#E07A5F; color:#FFF7F0; box-shadow:0 4px 12px rgba(224,122,95,0.3); }
.btn-primary:hover { background:#D16A4F; transform:translateY(-2px); box-shadow:0 8px 24px rgba(224,122,95,0.4); }
.btn-outline { background:transparent; border:2px solid #E8D5C0; color:#5C4A3A; }
.btn-outline:hover { border-color:#E07A5F; color:#E07A5F; background:rgba(224,122,95,0.05); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:700; letter-spacing:3px; margin-bottom:12px; color:#E07A5F; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:14px; color:#3D2C1E; font-weight:900; letter-spacing:-0.5px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; line-height:1.6; color:#5C4A3A; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:20px; padding:32px; background:#FFFFFF; border:2px solid #E8D5C0; transition:0.3s; position:relative; overflow:hidden; }
.category-card::after { content:'🍉'; position:absolute; right:-10px; bottom:-10px; font-size:60px; opacity:0.1; pointer-events:none; }
.category-card:hover { transform:translateY(-5px); box-shadow:0 12px 32px rgba(224,122,95,0.12); border-color:#E07A5F; }
.card-icon { width:56px; height:56px; border-radius:16px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.5rem; background:#FFF0E6; color:#E07A5F; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#E07A5F; display:inline-flex; align-items:center; gap:6px; }
.card-link:hover { gap:10px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; border:3px solid #E8D5C0; box-shadow:0 12px 32px rgba(224,122,95,0.1); }
.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; font-weight:500; color:#5C4A3A; }
.feature-list li::before { content:'🍉'; font-weight:700; font-size:1.1rem; }

/* 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:#FFFFFF; border:2px solid #E8D5C0; transition:0.3s; }
.stat-item:hover { border-color:#E07A5F; transform:translateY(-3px); box-shadow:0 8px 24px rgba(224,122,95,0.1); }
.stat-number { font-size:2.8rem; font-weight:900; color:#E07A5F; line-height:1; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#5C4A3A; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:20px; overflow:hidden; background:#FFFFFF; border:2px solid #E8D5C0; transition:0.3s; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 12px 32px rgba(224,122,95,0.12); border-color:#E07A5F; }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.1rem; margin-bottom:8px; color:#3D2C1E; }
.content-wall-body p { font-size:0.9rem; opacity:0.7; color:#5C4A3A; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:2px solid #E8D5C0; border-radius:16px; margin-bottom:12px; overflow:hidden; cursor:pointer; background:#FFFFFF; transition:0.2s; }
.faq-item:hover { border-color:#E07A5F; }
.faq-item .faq-question { padding:18px 24px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#3D2C1E; font-size:1.05rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#E07A5F; font-weight:700; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.75; line-height:1.6; color:#5C4A3A; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { padding:64px 32px; text-align:center; border-radius:24px; background:linear-gradient(135deg, #E07A5F, #D16A4F); color:#FFF7F0; position:relative; overflow:hidden; }
.cta-banner::before { content:'🍉'; position:absolute; right:-30px; bottom:-30px; font-size:180px; opacity:0.15; pointer-events:none; }
.cta-banner h2 { color:#FFF7F0; font-size:2.2rem; font-weight:900; margin-bottom:16px; }
.cta-banner p { color:rgba(255,247,240,0.85); margin-bottom:28px; font-size:1.05rem; }
.cta-banner .btn-primary { background:#FFF7F0; color:#E07A5F; box-shadow:0 4px 12px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { background:#FFFFFF; transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.15); }

/* 页脚 */
.site-footer { padding:64px 0 32px; background:#3D2C1E; color:#E8D5C0; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { color:#FFF7F0; margin-bottom:16px; }
.footer-brand p { opacity:0.7; line-height:1.6; font-size:0.9rem; }
.footer-col h4 { color:#FFF7F0; font-weight:700; margin-bottom:16px; font-size:1rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul a { color:#E8D5C0; text-decoration:none; opacity:0.7; font-size:0.9rem; transition:0.2s; }
.footer-col ul a:hover { opacity:1; color:#E07A5F; }
.footer-bottom { border-top:1px solid rgba(232,213,192,0.2); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; opacity:0.6; }

/* 工具类 */
.text-accent { color:#E07A5F; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; line-height:1.6; color:#5C4A3A; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.2rem; }
  .section-title { font-size:1.8rem; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .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:#FFF7F0; padding:24px; border-bottom:2px solid #E8D5C0; gap:16px; }
  .hero::before { font-size:200px; right:-40px; top:-20px; }
  .cta-banner h2 { font-size:1.6rem; }
}
@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; }
  .stat-number { font-size:2rem; }
}