*, *::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: #FFFDF5;
  color: #3E2723;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background: #FFF8E1; }

/* 导航 — 固定顶部，玻璃态 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(255, 253, 245, 0.92); 
  backdrop-filter: blur(12px); 
  border-bottom: 1px solid rgba(255, 111, 0, 0.12);
}
.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:900; font-size:1.4rem; text-decoration:none; 
  color: #FF6F00; letter-spacing: -0.5px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:12px; 
  display:flex; align-items:center; justify-content:center; 
  background: linear-gradient(135deg, #FF6F00, #FFB74D); 
  color: #fff; font-size:1.1rem; font-weight:700;
  box-shadow: 0 4px 12px rgba(255,111,0,0.25);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:600; 
  color: #5D4037; transition:0.2s; position:relative; 
}
.main-nav a::after {
  content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background: #FF6F00; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color: #FF6F00; }
.nav-cta { 
  padding:10px 24px; border-radius:30px !important; 
  background: linear-gradient(135deg, #FF6F00, #FF8A65); 
  color: #fff !important; font-weight:700 !important; 
  box-shadow: 0 4px 14px rgba(255,111,0,0.3);
  border: none !important;
}
.nav-cta::after { display:none !important; }
.menu-toggle { display:none; }

/* 首页Hero — 杂志风大标题 + 装饰圆 */
.hero { 
  min-height:85vh; display:flex; align-items:center; 
  background: #FFFDF5; position:relative; overflow:hidden;
}
.hero::before {
  content:''; position:absolute; top:-30%; right:-10%; 
  width:600px; height:600px; border-radius:50%;
  background: radial-gradient(circle, rgba(255,111,0,0.06) 0%, transparent 70%);
  pointer-events:none;
}
.hero-content { max-width:760px; position:relative; z-index:1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  padding:6px 18px; border-radius:30px; margin-bottom:20px; 
  background: rgba(255,111,0,0.1); color: #FF6F00; 
  letter-spacing:2px; text-transform:uppercase;
}
.hero h1 { 
  font-size:3.5rem; line-height:1.1; margin-bottom:16px; 
  font-weight:900; letter-spacing:-0.02em; color: #3E2723;
}
.hero h1 .text-accent { color: #FF6F00; }
.hero p { 
  font-size:1.15rem; opacity:0.75; max-width:580px; margin-bottom:36px; 
  line-height:1.6; color: #5D4037;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  background: linear-gradient(145deg, #FFB74D, #FF8A65); 
  min-height:360px; display:flex; align-items:center; justify-content:center;
  color: #fff; font-size:1.2rem; font-weight:600;
  box-shadow: 0 20px 40px rgba(255,111,0,0.15);
}

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:10px; 
  padding:14px 32px; border-radius:30px; font-weight:700; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:0.3s; font-size:0.95rem;
}
.btn-primary { 
  background: linear-gradient(135deg, #FF6F00, #FF8A65); 
  color: #fff; box-shadow: 0 6px 18px rgba(255,111,0,0.3);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow: 0 8px 24px rgba(255,111,0,0.4); }
.btn-outline { 
  background:transparent; border:2px solid #FF6F00; color:#FF6F00;
}
.btn-outline:hover { background:#FF6F00; color:#fff; }

/* 标签/标题 — 杂志风格 */
.section-label { 
  display:inline-block; font-size:0.7rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:14px; 
  color: #FF6F00; text-transform:uppercase;
}
.section-title { 
  font-size:2.4rem; margin-bottom:16px; font-weight:900; 
  letter-spacing:-0.02em; color: #3E2723;
}
.section-desc { 
  max-width:620px; opacity:0.7; margin-bottom:44px; 
  line-height:1.6; font-weight:400; color: #5D4037;
}

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.category-card { 
  border-radius:16px; padding:32px; 
  background: #FFFFFF; 
  border: 1px solid rgba(255,111,0,0.08);
  transition:0.3s; position:relative; overflow:hidden;
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:4px; height:100%;
  background: linear-gradient(#FF6F00, #FFB74D); 
  transition:0.3s;
}
.category-card:hover { 
  transform:translateY(-4px); 
  box-shadow:0 12px 28px rgba(255,111,0,0.1); 
}
.category-card:hover::before { width:6px; }
.card-icon { 
  width:52px; height:52px; border-radius:14px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem;
  background: rgba(255,111,0,0.08); color: #FF6F00;
}
.card-link { 
  font-weight:700; font-size:0.85rem; text-decoration:none; 
  color: #FF6F00; display:inline-flex; align-items:center; gap:6px;
}
.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { 
  border-radius:20px; overflow:hidden; 
  background: linear-gradient(145deg, #FFB74D, #FF8A65);
  min-height:280px; display:flex; align-items:center; justify-content:center;
  color: #fff; font-size:1rem; 
  box-shadow: 0 12px 32px rgba(255,111,0,0.12);
}
.feature-image img { width:100%; height:auto; }
.feature-text .section-title { font-size:2rem; }
.feature-list { list-style:none; margin-top:20px; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  border-bottom:1px solid rgba(255,111,0,0.06);
}
.feature-list li::before { 
  content:'✓'; font-weight:900; color: #FF6F00; 
  width:24px; height:24px; display:flex; align-items:center; justify-content:center;
  background: rgba(255,111,0,0.08); border-radius:8px;
}

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { 
  padding:28px 16px; border-radius:16px; 
  background: #FFFFFF; 
  border: 1px solid rgba(255,111,0,0.08);
  transition:0.3s;
}
.stat-item:hover { box-shadow:0 8px 24px rgba(255,111,0,0.06); transform:translateY(-2px); }
.stat-number { 
  font-size:2.8rem; font-weight:900; 
  background: linear-gradient(135deg, #FF6F00, #FFB74D);
  -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; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:24px; }
.content-wall-item { 
  border-radius:16px; overflow:hidden; 
  background: #FFFFFF; 
  border: 1px solid rgba(255,111,0,0.06);
  transition:0.3s;
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 12px 28px rgba(255,111,0,0.08); 
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px; }
.content-wall-body h3 { font-weight:700; margin-bottom:8px; color: #3E2723; }
.content-wall-body p { font-size:0.9rem; opacity:0.7; }
.content-wall-body .card-link { margin-top:12px; display:inline-block; }

/* FAQ */
.faq-list { max-width:780px; margin:0 auto; }
.faq-item { 
  border: 1px solid rgba(255,111,0,0.1); border-radius:14px; 
  margin-bottom:10px; overflow:hidden; cursor:pointer; 
  background: #FFFFFF; transition:0.2s;
}
.faq-item:hover { border-color: #FF6F00; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:700; 
  display:flex; justify-content:space-between; align-items:center;
  color: #3E2723; font-size:1rem;
}
.faq-item .faq-question::after {
  content:'+'; font-size:1.2rem; color:#FF6F00; transition:0.2s;
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; opacity:0.75; 
  line-height:1.6; color: #5D4037;
}
.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, #FF6F00, #FF8A65, #FFB74D);
  color: #fff; position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; top:-50%; right:-20%; 
  width:500px; height:500px; border-radius:50%;
  background: rgba(255,255,255,0.06); 
  pointer-events:none;
}
.cta-banner h2 { 
  color: #fff; font-size:2.2rem; font-weight:900; 
  margin-bottom:16px; position:relative; z-index:1;
}
.cta-banner .btn-primary { 
  background: #fff; color: #FF6F00; 
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.cta-banner .btn-primary:hover { background: #FFF8E1; }

/* 页脚 */
.site-footer { 
  padding:60px 0 28px; 
  background: #3E2723; 
  color: rgba(255,253,245,0.85);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand .logo { color: #FFB74D; }
.footer-brand p { margin-top:16px; font-size:0.9rem; opacity:0.7; line-height:1.6; }
.footer-col h4 { 
  font-weight:700; font-size:1rem; margin-bottom:16px; 
  color: #FFB74D; 
}
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:8px; }
.footer-col a { 
  color: rgba(255,253,245,0.7); text-decoration:none; 
  font-size:0.9rem; transition:0.2s;
}
.footer-col a:hover { color: #FFB74D; }
.footer-bottom { 
  border-top: 1px solid rgba(255,253,245,0.1); 
  margin-top:48px; padding-top:20px; 
  text-align:center; font-size:0.85rem; opacity:0.6;
}

/* 工具类 */
.text-accent { color: #FF6F00; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color: #5D4037; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.5rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .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; 
    width:40px; height:40px; align-items:center; justify-content:center;
    background: rgba(255,111,0,0.08); border-radius:10px; cursor:pointer;
    border: none; font-size:1.2rem; color: #FF6F00;
  }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background: #FFFDF5; padding:24px; 
    border-bottom: 2px solid #FF6F00; gap:16px;
  }
  .main-nav.open a { font-size:1rem; }
  .nav-cta { margin-top:8px; text-align:center; }
}

@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:2rem; }
  .section-title { font-size:1.8rem; }
  .stat-number { font-size:2rem; }
  .cta-banner h2 { font-size:1.6rem; }
}