/* 基础重置与全局样式 */
*, *::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: #faf7f2; /* 米白基底，温暖明亮 */
  color: #2d2a24;
}

/* 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:#f5f0ea; } /* 浅米灰交替 */

/* 导航 — 固定顶部，浅色玻璃效果 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(250,247,242,0.92); 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:8px; 
  font-weight:700; font-size:1.2rem; text-decoration:none; 
  color:#2d2a24; 
  letter-spacing:2px;
}
.logo-icon { 
  width:36px; height:36px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1rem; 
  background: #e67e22; /* 亮橙色点睛 */
  color:#fff;
}
.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:#5a5348; transition:0.2s; 
  position:relative;
}
.main-nav a::after {
  content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background:#e67e22; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#2d2a24; }
.nav-cta { 
  padding:8px 20px; border-radius:30px; 
  background:#e67e22; color:#fff!important; font-weight:600;
  box-shadow:0 4px 12px rgba(230,126,34,0.3);
}
.nav-cta::after { display:none; }
.menu-toggle { display:none; background:none; border:none; font-size:1.5rem; color:#2d2a24; cursor:pointer; }

/* 首页Hero — 杂志风大标题 */
.hero { 
  min-height:70vh; display:flex; align-items:center; 
  background: linear-gradient(135deg, #faf7f2 0%, #f0e8dd 100%);
}
.hero-content { max-width:720px; }
.hero-eyebrow { 
  display:inline-block; font-size:0.85rem; font-weight:600; 
  padding:4px 14px; border-radius:30px; margin-bottom:16px;
  background:#e67e22; color:#fff; letter-spacing:1px;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; margin-bottom:20px; 
  font-weight:800; color:#1a1815;
  letter-spacing:-0.5px;
}
.hero p { 
  font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; 
  color:#4a443c;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius:16px; overflow:hidden; 
  box-shadow:0 12px 40px rgba(0,0,0,0.06);
}

/* 按钮 — 圆润大胆 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:12px 32px; border-radius:40px; font-weight:600; 
  cursor:pointer; border:none; text-decoration:none; transition:0.25s;
  font-size:0.95rem;
}
.btn-primary { 
  background:#e67e22; color:#fff; 
  box-shadow:0 4px 16px rgba(230,126,34,0.35);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(230,126,34,0.4); }
.btn-outline { 
  background:transparent; border:1.5px solid #d4c9bc; 
  color:#4a443c;
}
.btn-outline:hover { border-color:#e67e22; color:#e67e22; }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  letter-spacing:3px; margin-bottom:12px; 
  color:#e67e22; text-transform:uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:14px; 
  font-weight:700; color:#1a1815;
}
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#4a443c; }

/* 卡片网格 — 层叠卡片风格 */
.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 #e8ddd0; transition:0.3s;
  box-shadow:0 4px 12px rgba(0,0,0,0.02);
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 32px rgba(0,0,0,0.08); 
  border-color:#e67e22;
}
.card-icon { 
  width:52px; height:52px; border-radius:14px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:16px; font-size:1.5rem; 
  background:#f5f0ea; color:#e67e22;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#e67e22; display:inline-flex; align-items:center; gap:4px;
}
.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 — 不对称布局 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; 
}
.feature-image { border-radius:16px; overflow:hidden; box-shadow:0 8px 24px rgba(0,0,0,0.04); }
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  font-weight:500; color:#3a3530;
}
.feature-list li::before { 
  content:'✦'; font-weight:700; color:#e67e22; font-size:1.1rem;
}

/* 数据条 — 圆润卡片 */
.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 #e8ddd0; transition:0.2s;
}
.stat-item:hover { border-color:#e67e22; }
.stat-number { 
  font-size:2.6rem; font-weight:800; 
  color:#1a1815; line-height:1;
}
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#4a443c; }

/* 内容墙 — 瀑布流感 */
.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 #e8ddd0; transition:0.3s;
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 12px 28px rgba(0,0,0,0.06);
}
.content-wall-item img { 
  width:100%; height:200px; object-fit:cover; 
  border-bottom:1px solid #f0e8dd;
}
.content-wall-body { padding:20px; }
.content-wall-body h3 { font-size:1.1rem; margin-bottom:6px; color:#1a1815; }
.content-wall-body p { font-size:0.9rem; opacity:0.7; color:#4a443c; }

/* FAQ — 极简手风琴 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid #e8ddd0; border-radius:12px; 
  margin-bottom:10px; overflow:hidden; cursor:pointer; 
  background:#fff; transition:0.2s;
}
.faq-item:hover { border-color:#d4c9bc; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between; align-items:center;
  color:#1a1815; font-size:1.05rem;
}
.faq-item .faq-question::after { 
  content:'+'; font-size:1.4rem; font-weight:300; color:#e67e22; transition:0.3s;
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  opacity:0.7; color:#4a443c; line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 暖橙渐变 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:16px; 
  background: linear-gradient(135deg, #e67e22, #d35400);
  color:#fff; 
}
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:24px; }
.cta-banner .btn-primary { background:#fff; color:#e67e22; box-shadow:0 4px 16px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { transform:translateY(-2px); }

/* 页脚 — 浅色精致 */
.site-footer { 
  padding:56px 0 28px; 
  background:#f5f0ea; border-top:1px solid #e8ddd0;
}
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; 
}
.footer-brand { }
.footer-brand p { opacity:0.6; max-width:280px; margin-top:12px; color:#4a443c; }
.footer-col h4 { font-size:0.9rem; font-weight:700; margin-bottom:12px; color:#1a1815; }
.footer-col a { 
  display:block; text-decoration:none; color:#5a5348; 
  padding:4px 0; font-size:0.9rem; transition:0.2s;
}
.footer-col a:hover { color:#e67e22; }
.footer-bottom { 
  border-top:1px solid #e0d5c8; margin-top:40px; padding-top:20px; 
  text-align:center; font-size:0.85rem; color:#8a8075;
}

/* 工具类 */
.text-accent { color:#e67e22; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#4a443c; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 — 保持浅色温暖 */
@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; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background:rgba(250,247,242,0.98); padding:20px; 
    border-bottom:1px solid #e8ddd0;
  }
  .hero h1 { font-size:2.4rem; }
  .section-title { font-size:1.8rem; }
}
@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; }
  .stat-number { font-size:2rem; }
}