/* 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;
  min-height:100vh;
  background:
    radial-gradient(1200px 800px at 90% -10%, #FFE7DC 0%, transparent 70%),
    radial-gradient(900px 600px at 10% 30%, #FFFCFA 0%, transparent 50%),
    #FFF8F2;
  color:#2D231E;
}

/* 核心布局 — 居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { 
  background:linear-gradient(180deg, #FFF0E8 0%, #FFE9E0 100%);
  border-top:1px solid rgba(255,123,84,0.06);
  border-bottom:1px solid rgba(255,123,84,0.06);
}

/* 导航 — 固定顶部 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(255,250,246,0.85);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-bottom:1px solid rgba(255,123,84,0.12);
  box-shadow:0 4px 30px rgba(255,123,84,0.04);
}
.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:800; font-size:1.2rem; text-decoration:none; color:#2D231E; letter-spacing:-0.02em; }
.logo-icon { 
  width:36px; height:36px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:1rem;
  background:linear-gradient(135deg,#FFB088,#FF6B52);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,107,82,0.4);
}
.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:#5A4A40; transition:color 0.25s, transform 0.25s; }
.main-nav a:hover { color:#FF6B52; }
.nav-cta { 
  padding:8px 22px; border-radius:999px;
  background:linear-gradient(135deg,#FF9A76,#FF5E45);
  color:#fff!important; font-weight:600;
  box-shadow:0 4px 16px rgba(255,107,82,0.3);
  transition:transform 0.25s, box-shadow 0.25s!important;
}
.nav-cta:hover { transform:translateY(-2px) scale(1.03); box-shadow:0 8px 24px rgba(255,107,82,0.45)!important; color:#fff!important; }

/* 首页Hero */
.hero { 
  min-height:calc(100vh - 68px); 
  display:flex; align-items:center; 
  position:relative;
  padding:140px 0 80px;
  overflow:hidden;
}
.hero::before {
  content:'';
  position:absolute;
  right:-120px; top:50%;
  transform:translateY(-50%);
  width:420px; height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #FFE2CF 0%, #FFB088 55%, #FF8A6D 100%);
  opacity:0.6;
  filter:blur(2px);
  z-index:0;
}
.hero::after {
  content:'';
  position:absolute;
  left:6%; bottom:12%;
  width:160px; height:160px;
  background-image:radial-gradient(#FFB088 2.5px, transparent 2.5px);
  background-size:16px 16px;
  opacity:0.3;
  z-index:0;
  pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { 
  display:inline-block; font-size:0.82rem; font-weight:700;
  padding:7px 18px; border-radius:999px; margin-bottom:20px;
  background:rgba(255,255,255,0.7);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,123,84,0.15);
  color:#E05A3F;
  letter-spacing:0.08em;
  text-transform:uppercase;
}
.hero h1 { 
  font-size:clamp(2.8rem, 6vw, 4.8rem); 
  line-height:1.08; 
  margin-bottom:20px;
  font-weight:800;
  letter-spacing:-0.03em;
  color:#2D231E;
}
.hero h1 .text-accent {
  background:linear-gradient(130deg, #FF7B54 20%, #FFB088 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  display:inline-block;
}
.hero p { font-size:1.1rem; line-height:1.7; opacity:0.72; max-width:560px; margin-bottom:36px; color:#5A4638; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:32px; overflow:hidden; box-shadow:0 24px 70px rgba(255,123,84,0.22); }
.hero-image img { width:100%; height:100%; object-fit:cover; display:block; }

/* 按钮 */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 32px; border-radius:999px;
  font-weight:600; font-size:0.95rem;
  cursor:pointer; border:none; text-decoration:none;
  transition:all 0.3s cubic-bezier(0.25, 0.1, 0.4, 1.4);
  letter-spacing:0.02em;
}
.btn-primary { color:#fff; background:linear-gradient(135deg,#FF9A76,#FF5E45); box-shadow:0 8px 24px rgba(255,107,82,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 36px rgba(255,107,82,0.45); }
.btn-outline { background:transparent; border:1.5px solid rgba(255,123,84,0.6); color:#E05A3F; }
.btn-outline:hover { background:#FFE8DD; border-color:#FF6B52; transform:translateY(-2px); }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.8rem; font-weight:700; 
  letter-spacing:0.16em; text-transform:uppercase;
  margin-bottom:14px; padding:6px 16px; border-radius:999px;
  background:#FFDDD0; color:#E05A3F;
}
.section-title { font-size:clamp(1.8rem, 3.5vw, 2.6rem); font-weight:800; letter-spacing:-0.02em; margin-bottom:14px; }
.section-title::after {
  content:'';
  display:block;
  width:56px; height:5px;
  border-radius:6px;
  background:linear-gradient(90deg,#FF6B52,#FFB088);
  margin-top:14px;
}
.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; line-height:1.7; color:#5A4638; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:26px; }
.category-card { 
  border-radius:24px; padding:30px;
  border:1px solid rgba(255,123,84,0.1);
  background:linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,241,234,0.9));
  backdrop-filter:blur(4px);
  box-shadow:0 4px 16px rgba(255,123,84,0.06);
  transition:all 0.4s cubic-bezier(0.25, 0.1, 0.4, 1.4);
  position:relative;
  overflow:hidden;
}
.category-card::before {
  content:'';
  position:absolute;
  top:-32px; right:-32px;
  width:80px; height:80px;
  border-radius:50%;
  background:radial-gradient(circle, #FFE2CF 0%, transparent 70%);
  opacity:0;
  transition:opacity 0.4s;
}
.category-card:hover::before { opacity:1; }
.category-card:hover { 
  transform:translateY(-8px) scale(1.02); 
  box-shadow:0 20px 50px rgba(255,123,84,0.2);
  border-color:rgba(255,123,84,0.28);
}
.card-icon { 
  width:56px; height:56px; border-radius:18px;
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem;
  background:linear-gradient(135deg,#FFEDE4,#FFD9C7);
  color:#E05A3F;
  box-shadow:inset 0 2px 6px rgba(255,255,255,0.6);
}
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#E05A3F; margin-top:12px; display:inline-flex; align-items:center; gap:4px; }
.card-link::after { content:'→'; transition:transform 0.3s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:32px; overflow:hidden; box-shadow:0 24px 70px rgba(255,123,84,0.22); transition:transform 0.5s; }
.feature-image:hover { transform:rotate(-1deg) scale(1.01); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text h3 { font-size:1.8rem; font-weight:800; margin-bottom:16px; letter-spacing:-0.01em; }
.feature-text p { line-height:1.7; opacity:0.7; margin-bottom:20px; color:#5A4638; }
.feature-list { list-style:none; margin-top:12px; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:1.05rem; font-weight:500; border-bottom:1px dashed rgba(255,123,84,0.12); }
.feature-list li:last-child { border-bottom:none; }
.feature-list li::before { content:'✦'; font-weight:700; color:#FF7B54; font-size:1.2em; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:26px; text-align:center; }
.stat-item { 
  padding:36px 20px; border-radius:24px; 
  border:1px solid rgba(255,123,84,0.08);
  background:linear-gradient(160deg, #FFFFFF, #FFF4EF);
  box-shadow:0 6px 20px rgba(255,123,84,0.06);
  transition:all 0.4s;
}
.stat-item:hover { transform:translateY(-6px) scale(1.02); box-shadow:0 16px 40px rgba(255,123,84,0.16); }
.stat-number { 
  font-size:2.8rem; font-weight:800; letter-spacing:-0.02em;
  background:linear-gradient(120deg,#FF6B52 20%,#FFB088 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-label { font-size:0.92rem; opacity:0.6; margin-top:8px; letter-spacing:0.1em; text-transform:uppercase; font-weight:500; color:#5A4638; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:26px; }
.content-wall-item { 
  border-radius:24px; overflow:hidden; 
  border:1px solid rgba(255,123,84,0.08);
  background:#fff;
  transition:all 0.4s cubic-bezier(0.25, 0.1, 0.4, 1.4);
  box-shadow:0 4px 14px rgba(255,123,84,0.04);
}
.content-wall-item:hover { transform:translateY(-8px) rotate(0.6deg); box-shadow:0 24px 60px rgba(255,123,84,0.18); border-color:rgba(255,123,84,0.2); }
.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:6px; font-weight:700; }
.content-wall-body p { font-size:0.9rem; opacity:0.65; line-height:1.6; color:#5A4638; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(255,123,84,0.1); 
  border-radius:20px; 
  margin-bottom:12px; 
  overflow:hidden; 
  cursor:pointer; 
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(4px);
  transition:all 0.3s;
  box-shadow:0 2px 8px rgba(255,123,84,0.03);
}
.faq-item:hover { border-color:rgba(255,123,84,0.35); box-shadow:0 8px 24px rgba(255,123,84,0.08); }
.faq-item .faq-question { 
  padding:20px 24px; font-weight:700; 
  display:flex; justify-content:space-between; align-items:center;
  color:#2D231E;
}
.faq-item .faq-question::after {
  content:'+';
  font-size:1.6rem;
  font-weight:400;
  color:#FF7B54;
  transition:transform 0.35s;
  line-height:1;
}
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.72; line-height:1.7; color:#5A4638; }
.faq-item.open { border-color:rgba(255,123,84,0.25); }
.faq-item.open .faq-answer { display:block; animation:fadeSlideIn 0.4s ease; }

@keyframes fadeSlideIn {
  from { opacity:0; transform:translateY(-6px); }
  to   { opacity:0.72; transform:translateY(0); }
}

/* CTA横幅 */
.cta-banner { 
  padding:64px 40px; text-align:center; 
  border-radius:40px; color:#fff;
  background:linear-gradient(135deg,#FFB088 0%,#FF6B52 100%);
  position:relative;
  overflow:hidden;
  box-shadow:0 30px 70px rgba(255,107,82,0.35);
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-30px; left:-30px;
  width:140px; height:140px;
  border-radius:50%;
  background:rgba(255,255,255,0.12);
}
.cta-banner::after {
  content:'';
  position:absolute;
  bottom:-20px; right:40px;
  width:200px; height:200px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
}
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; margin-bottom:12px; position:relative; z-index:1; letter-spacing:-0.02em; }
.cta-banner p { color:rgba(255,255,255,0.9); position:relative; z-index:1; margin-bottom:28px; font-size:1.05rem; }
.cta-banner .btn-primary { background:#fff; color:#E05A3F; box-shadow:0 8px 26px rgba(255,255,255,0.4); }
.cta-banner .btn-primary:hover { transform:translateY(-2px) scale(1.03); box-shadow:0 14px 34px rgba(255,255,255,0.5); }

/* 页脚 */
.site-footer { 
  background:#FDE9E1; 
  padding:56px 0 28px; 
  border-top:1px solid rgba(255,123,84,0.1);
  color:#5A4638;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px; }
.footer-brand { max-width:340px; }
.footer-brand p { line-height:1.7; opacity:0.7; margin-top:14px; font-size:0.95rem; }
.footer-col h4 { font-size:1rem; color:#2D231E; margin-bottom:18px; font-weight:700; letter-spacing:0.02em; }
.footer-col a { color:#6B5043; text-decoration:none; display:block; margin-bottom:12px; font-size:0.95rem; transition:all 0.2s; }
.footer-col a:hover { color:#FF6B52; padding-left:4px; }
.footer-bottom { 
  border-top:1px solid rgba(255,123,84,0.12); 
  margin-top:40px; padding-top:22px; 
  text-align:center; font-size:0.85rem;
  color:#8A6A5C; letter-spacing:0.06em;
}

/* 工具类 */
.text-accent { color:#FF6B52; font-weight:700; }
.text-center { text-align:center; }
.seo-description { max-width:640px; margin:0 auto 48px; opacity:0.72; line-height:1.8; text-align:center; color:#5A4638; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 菜单折叠按钮 */
.menu-toggle {
  display:none;
  width:42px; height:42px;
  background:rgba(255,255,255,0.8);
  border:1px solid rgba(255,123,84,0.2);
  border-radius:14px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  color:#E05A3F;
  font-size:1.3rem;
  font-weight:700;
  transition:all 0.3s;
}
.menu-toggle:hover { background:#FFE8DD; border-color:rgba(255,123,84,0.4); }

/* 响应式 */
@media (max-width: 768px) {
  .hero { padding:120px 0 60px; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:18px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { 
    display:none;
    flex-direction:column;
    position:absolute;
    top:68px; left:16px; right:16px;
    background:rgba(255,251,248,0.98);
    backdrop-filter:blur(20px);
    border-radius:24px;
    padding:20px 24px;
    box-shadow:0 24px 70px rgba(255,123,84,0.25);
    border:1px solid rgba(255,123,84,0.12);
    gap:6px;
  }
  .main-nav a { padding:12px 0; font-size:1rem; width:100%; border-bottom:1px solid rgba(255,123,84,0.08); }
  .main-nav a:last-child { border-bottom:none; }
  .main-nav .nav-cta { text-align:center; margin-top:6px; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; }
  .cta-banner { padding:44px 24px; border-radius:28px; }
  .section { padding:56px 0; }
  .site-header .header-inner { padding:0 20px; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .hero-buttons { flex-direction:column; width:100%; }
  .hero-buttons .btn { justify-content:center; width:100%; }
  .hero h1 { font-size:2.3rem; }
  .hero p { font-size:1rem; }
  .section-title { font-size:1.6rem; }
  .stat-number { font-size:2.2rem; }
  .cta-banner h2 { font-size:1.5rem; }
  .btn { padding:13px 24px; }
  .section { padding:44px 0; }
}