/* 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:#faf7f2; 
  color:#3d3535; 
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f3f1ea; }
.section:nth-child(even)::before {
  content:'';
  position:absolute;
  top:-40px;
  left:50%;
  transform:translateX(-50%);
  width:60px;
  height:3px;
  background:linear-gradient(90deg,transparent,#e07b5a,transparent);
  border-radius:2px;
}

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(250,247,242,0.92); 
  backdrop-filter:blur(14px); 
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid #e8e3da; 
  transition:box-shadow 0.3s;
}
.site-header.scrolled { box-shadow:0 2px 24px rgba(61,53,53,0.06); }
.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:1.25rem; text-decoration:none; 
  color:#3d3535; letter-spacing:-0.3px;
  transition:opacity 0.25s;
}
.logo:hover { opacity:0.78; }
.logo-icon { 
  width:38px; height:38px; border-radius:10px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem; 
  background:linear-gradient(135deg,#e07b5a,#d4956b); 
  color:#fff;
  box-shadow:0 3px 12px rgba(224,123,90,0.25);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.88rem; font-weight:500; 
  color:#5c4f4f; transition:color 0.25s, transform 0.25s;
  position:relative;
}
.main-nav a::after {
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:0;
  height:2px;
  background:#e07b5a;
  border-radius:1px;
  transition:width 0.3s cubic-bezier(0.25,0.8,0.25,1.2);
}
.main-nav a:hover { color:#e07b5a; }
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:9px 22px; border-radius:24px; 
  color:#fff!important; font-weight:600; 
  background:linear-gradient(135deg,#e07b5a,#d06a4a);
  box-shadow:0 4px 14px rgba(224,123,90,0.3);
  transition:transform 0.25s, box-shadow 0.25s!important;
}
.nav-cta:hover { 
  transform:translateY(-2px); 
  box-shadow:0 6px 20px rgba(224,123,90,0.4);
}
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; padding:8px; color:#3d3535; font-size:1.5rem; }

/* 首页Hero */
.hero { 
  min-height:70vh; display:flex; align-items:center; 
  background:linear-gradient(170deg,#faf7f2 0%,#f5efe5 40%,#faf7f2 100%);
  position:relative;
  overflow:hidden;
}
.hero::before {
  content:'';
  position:absolute;
  top:-120px;
  right:-80px;
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(224,123,90,0.08) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.hero::after {
  content:'';
  position:absolute;
  bottom:-60px;
  left:-40px;
  width:280px;
  height:280px;
  background:radial-gradient(circle,rgba(138,154,123,0.07) 0%,transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  padding:5px 16px; border-radius:20px; margin-bottom:18px;
  background:#fef5f1; color:#e07b5a;
  letter-spacing:1.5px; text-transform:uppercase;
  border:1px solid rgba(224,123,90,0.15);
}
.hero h1 { 
  font-size:3rem; line-height:1.18; margin-bottom:22px;
  font-weight:800; color:#2b2323; letter-spacing:-0.5px;
}
.hero h1 .highlight { 
  background:linear-gradient(135deg,#e07b5a,#c96a4d);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.1rem; color:#6b5e5e; max-width:560px; 
  margin-bottom:34px; line-height:1.7;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { 
  border-radius:16px; overflow:hidden; 
  box-shadow:0 20px 50px rgba(61,53,53,0.1);
  border:1px solid #e8e3da;
}
.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:26px; font-weight:600; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1.2);
  font-size:0.95rem; letter-spacing:0.2px;
}
.btn-primary { 
  color:#fff; 
  background:linear-gradient(135deg,#e07b5a,#d06a4a);
  box-shadow:0 4px 16px rgba(224,123,90,0.28);
}
.btn-primary:hover { 
  transform:translateY(-2px); 
  box-shadow:0 8px 24px rgba(224,123,90,0.38);
}
.btn-outline { 
  background:transparent; 
  border:1.8px solid #d4c8b8; 
  color:#5c4f4f;
}
.btn-outline:hover { 
  border-color:#e07b5a; 
  color:#e07b5a; 
  background:rgba(224,123,90,0.04);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.78rem; font-weight:600; 
  letter-spacing:2.5px; margin-bottom:12px;
  color:#e07b5a; text-transform:uppercase;
}
.section-title { 
  font-size:2.1rem; margin-bottom:14px; 
  font-weight:700; color:#2b2323; letter-spacing:-0.4px;
}
.section-desc { 
  max-width:600px; color:#6b5e5e; margin-bottom:40px; 
  font-size:1.05rem; line-height:1.7;
}

/* 卡片网格 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); 
  gap:24px; 
}
.category-card { 
  border-radius:14px; padding:30px 26px; 
  border:1px solid #e8e3da; 
  background:#fff;
  transition:all 0.35s cubic-bezier(0.25,0.8,0.25,1.2);
  position:relative;
  overflow:hidden;
}
.category-card::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,#e07b5a,#d4956b);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.4s cubic-bezier(0.25,0.8,0.25,1.2);
}
.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow:0 12px 32px rgba(61,53,53,0.08);
  border-color:#d4c8b8;
}
.category-card:hover::before { transform:scaleX(1); }
.card-icon { 
  width:50px; height:50px; border-radius:12px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem;
  background:#fef5f1; color:#e07b5a;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#e07b5a; display:inline-flex; align-items:center; gap:6px;
  transition:gap 0.3s;
}
.card-link:hover { gap:10px; }
.category-card h3 { font-size:1.15rem; margin-bottom:8px; color:#2b2323; font-weight:650; }

/* 特性块 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; 
  gap:56px; align-items:center; 
}
.feature-image { 
  border-radius:14px; overflow:hidden; 
  box-shadow:0 10px 30px rgba(61,53,53,0.08);
  border:1px solid #e8e3da;
}
.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:flex-start; gap:10px;
  color:#4a3f3f; font-size:0.95rem;
}
.feature-list li::before { 
  content:'✓'; font-weight:700; color:#e07b5a; 
  flex-shrink:0; margin-top:1px;
  width:22px; height:22px; 
  background:#fef5f1; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:0.7rem;
}
.feature-text h3 { font-size:1.5rem; margin-bottom:14px; color:#2b2323; font-weight:700; }

/* 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:14px; 
  border:1px solid #e8e3da; 
  background:#fff;
  transition:transform 0.3s, box-shadow 0.3s;
}
.stat-item:hover { 
  transform:translateY(-3px); 
  box-shadow:0 8px 24px rgba(61,53,53,0.06);
}
.stat-number { 
  font-size:2.4rem; font-weight:800; 
  color:#e07b5a; letter-spacing:-0.5px;
}
.stat-label { font-size:0.9rem; color:#8a7d7d; margin-top:6px; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:24px; 
}
.content-wall-item { 
  border-radius:14px; overflow:hidden; 
  border:1px solid #e8e3da; 
  background:#fff;
  transition:all 0.35s cubic-bezier(0.25,0.8,0.25,1.2);
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow:0 14px 36px rgba(61,53,53,0.1);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px 20px; }
.content-wall-body h4 { font-size:1.05rem; color:#2b2323; margin-bottom:6px; font-weight:650; }
.content-wall-body p { font-size:0.88rem; color:#6b5e5e; line-height:1.55; }
.content-wall-body .meta { font-size:0.78rem; color:#a89a9a; margin-top:10px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid #e8e3da; 
  border-radius:12px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer;
  background:#fff;
  transition:border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover { border-color:#d4c8b8; }
.faq-item.open { 
  border-color:#e07b5a; 
  box-shadow:0 4px 18px rgba(224,123,90,0.08);
}
.faq-item .faq-question { 
  padding:18px 22px; font-weight:600; 
  display:flex; justify-content:space-between; align-items:center;
  color:#2b2323; font-size:0.98rem;
  user-select:none;
}
.faq-item .faq-question::after {
  content:'+';
  font-size:1.3rem;
  font-weight:400;
  color:#c0b0a0;
  transition:transform 0.35s, color 0.35s;
  flex-shrink:0;
  margin-left:12px;
}
.faq-item.open .faq-question::after {
  transform:rotate(45deg);
  color:#e07b5a;
}
.faq-item .faq-answer { 
  padding:0 22px 18px; display:none; 
  color:#6b5e5e; font-size:0.92rem; line-height:1.7;
}
.faq-item.open .faq-answer { display:block; animation:fadeSlideIn 0.35s ease; }

@keyframes fadeSlideIn {
  from { opacity:0; transform:translateY(-8px); }
  to { opacity:1; transform:translateY(0); }
}

/* CTA横幅 */
.cta-banner { 
  padding:60px 24px; text-align:center; border-radius:16px; 
  color:#fff;
  background:linear-gradient(145deg,#e07b5a 0%,#d06a4a 30%,#c96a4d 60%,#d4956b 100%);
  position:relative;
  overflow:hidden;
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-50px;
  right:-50px;
  width:200px;
  height:200px;
  background:rgba(255,255,255,0.06);
  border-radius:50%;
  pointer-events:none;
}
.cta-banner::after {
  content:'';
  position:absolute;
  bottom:-40px;
  left:-40px;
  width:160px;
  height:160px;
  background:rgba(255,255,255,0.04);
  border-radius:50%;
  pointer-events:none;
}
.cta-banner h2 { 
  color:#fff; font-size:2rem; font-weight:700; 
  position:relative; z-index:1;
  letter-spacing:-0.3px;
}
.cta-banner p { 
  color:rgba(255,255,255,0.85); margin:12px 0 28px; 
  position:relative; z-index:1; font-size:1.02rem;
}
.cta-banner .btn-primary { 
  background:#fff; color:#e07b5a; 
  box-shadow:0 6px 20px rgba(0,0,0,0.12);
  position:relative; z-index:1;
}
.cta-banner .btn-primary:hover { 
  background:#fef5f1; 
  box-shadow:0 10px 28px rgba(0,0,0,0.16);
  transform:translateY(-2px);
}

/* 页脚 */
.site-footer { 
  padding:56px 0 28px; 
  background:#ede8e0; 
  color:#5c4f4f;
}
.site-footer .container { }
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:40px; 
}
.footer-brand { }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { color:#8a7d7d; font-size:0.9rem; line-height:1.7; }
.footer-col h4 { 
  font-size:0.95rem; font-weight:650; 
  margin-bottom:14px; color:#3d3535; 
  letter-spacing:0.3px;
}
.footer-col a { 
  display:block; text-decoration:none; color:#8a7d7d; 
  font-size:0.88rem; padding:4px 0; transition:color 0.25s;
}
.footer-col a:hover { color:#e07b5a; }
.footer-bottom { 
  border-top:1px solid #ddd8cd; 
  margin-top:40px; padding-top:20px; 
  text-align:center; font-size:0.85rem; color:#a89a9a;
}

/* 工具类 */
.text-accent { color:#e07b5a; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; margin:0 auto 48px; 
  color:#6b5e5e; font-size:0.95rem; line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条美化 */
::-webkit-scrollbar { width:7px; }
::-webkit-scrollbar-track { background:#f3f1ea; }
::-webkit-scrollbar-thumb { background:#d4c8b8; border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:#c0b0a0; }

/* 响应式 */
@media (max-width: 768px) {
  .section { padding:56px 0; }
  .hero { min-height:60vh; padding:40px 0; }
  .hero h1 { font-size:2.2rem; }
  .hero p { font-size:1rem; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .section-title { font-size:1.7rem; }
  .cta-banner h2 { font-size:1.6rem; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:8px; border:1.5px solid #e8e3da; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background:#faf7f2; padding:20px 24px; 
    border-bottom:2px solid #e8e3da;
    box-shadow:0 8px 30px rgba(61,53,53,0.08);
    z-index:999;
  }
  .main-nav.open a { padding:10px 0; font-size:1rem; }
  .nav-cta { text-align:center; justify-content:center; margin-top:8px; }
}
@media (max-width: 480px) {
  .hero { min-height:50vh; }
  .hero h1 { font-size:1.8rem; }
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { justify-content:center; }
  .cta-banner { padding:40px 18px; }
  .cta-banner h2 { font-size:1.35rem; }
  .stat-number { font-size:1.8rem; }
  .section-title { font-size:1.5rem; }
  .feature-block { gap:24px; }
  .container { padding:0 16px; }
  .header-inner { padding:0 16px; }
}