/* ============================================
   皇冠app下载官方版 · 独家设计系统
   风格：柔光渐变 · 立体卡片 · 珊瑚粉雾
   ============================================ */

/* 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: #fef7f5; 
  color: #2d1e1a;
}

/* 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: linear-gradient(135deg, #fff5f0 0%, #fef0ec 100%); 
}

/* 导航 — 磨砂玻璃 + 珊瑚边框 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(255,245,240,0.88); 
  backdrop-filter:blur(16px) saturate(1.2); 
  border-bottom:1px solid rgba(255,150,130,0.25); 
  box-shadow: 0 4px 30px rgba(255,120,100,0.08);
}
.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:1.25rem; 
  text-decoration:none; color:#3d2a24; 
  letter-spacing: -0.3px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:12px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem; 
  background: linear-gradient(135deg, #ff8a73, #ff6b56);
  color:#fff; box-shadow:0 4px 12px rgba(255,107,86,0.3);
}
.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; 
  transition:0.25s; color:#4d3a34; 
  padding:4px 0; border-bottom:2px solid transparent;
}
.main-nav a:hover { color:#ff6b56; border-bottom-color:#ff6b56; }
.nav-cta { 
  padding:10px 24px; border-radius:50px; 
  color:#fff!important; font-weight:600; 
  background: linear-gradient(135deg, #ff8a73, #ff6b56);
  box-shadow:0 4px 16px rgba(255,107,86,0.3);
  border-bottom:none!important;
}
.menu-toggle { display:none; cursor:pointer; font-size:1.4rem; color:#4d3a34; }

/* 首页Hero — 柔光立体 */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  background: radial-gradient(ellipse at 80% 20%, #ffe8e0 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, #ffd4c8 0%, transparent 50%);
  padding-top:80px;
}
.hero-content { max-width:720px; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:700; 
  padding:6px 18px; border-radius:50px; margin-bottom:18px; 
  background: rgba(255,107,86,0.12); color:#ff6b56;
  letter-spacing:1.5px;
}
.hero h1 { 
  font-size:3rem; line-height:1.15; margin-bottom:20px; 
  color:#2d1e1a; font-weight:800; letter-spacing:-0.5px;
}
.hero p { 
  font-size:1.1rem; opacity:0.65; max-width:560px; margin-bottom:36px; 
  color:#5a423c;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow:0 20px 60px rgba(255,107,86,0.15);
  border:1px solid rgba(255,255,255,0.3);
}

/* 按钮 — 立体渐变 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:14px 32px; border-radius:50px; font-weight:600; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:0.3s; font-size:0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #ff8a73, #ff6b56);
  box-shadow:0 6px 20px rgba(255,107,86,0.35);
}
.btn-primary:hover { 
  transform:translateY(-2px); 
  box-shadow:0 10px 30px rgba(255,107,86,0.45);
}
.btn-outline { 
  background:transparent; border:1.5px solid #ff6b56; 
  color:#ff6b56;
}
.btn-outline:hover { 
  background:rgba(255,107,86,0.06); 
  transform:translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:14px; 
  color:#ff6b56; text-transform:uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:14px; 
  color:#2d1e1a; font-weight:800; letter-spacing:-0.3px;
}
.section-desc { 
  max-width:600px; opacity:0.65; margin-bottom:44px; 
  color:#5a423c; font-size:1.05rem;
}

/* 卡片网格 — 立体卡片 + 柔影 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:20px; padding:32px; 
  background:#fff; 
  box-shadow:0 8px 30px rgba(255,120,100,0.08);
  border:1px solid rgba(255,150,130,0.15);
  transition:0.35s cubic-bezier(0.25,0.46,0.45,0.94);
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 16px 48px rgba(255,107,86,0.18);
  border-color:rgba(255,107,86,0.25);
}
.card-icon { 
  width:52px; height:52px; border-radius:14px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem; 
  background: linear-gradient(135deg, #ffe8e0, #ffd4c8);
  color:#ff6b56;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#ff6b56; 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 — 左右错落 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow:0 16px 48px rgba(255,120,100,0.12);
  border:1px solid rgba(255,255,255,0.3);
}
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  font-size:1rem; color:#3d2a24;
}
.feature-list li::before { 
  content:'✓'; font-weight:700; 
  color:#ff6b56; font-size:1.1rem;
}

/* 数据条 — 柔和色块 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; 
}
.stat-item { 
  padding:28px 16px; border-radius:20px; 
  background:#fff; 
  box-shadow:0 8px 24px rgba(255,120,100,0.06);
  border:1px solid rgba(255,150,130,0.12);
}
.stat-number { 
  font-size:2.4rem; font-weight:800; 
  background: linear-gradient(135deg, #ff8a73, #ff6b56);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label { font-size:0.9rem; opacity:0.55; margin-top:6px; color:#5a423c; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:20px; overflow:hidden; 
  background:#fff; 
  box-shadow:0 8px 24px rgba(255,120,100,0.06);
  border:1px solid rgba(255,150,130,0.12);
  transition:0.35s cubic-bezier(0.25,0.46,0.45,0.94);
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow:0 16px 48px rgba(255,107,86,0.15);
}
.content-wall-item img { 
  width:100%; height:210px; object-fit:cover; 
}
.content-wall-body { padding:22px; }
.content-wall-body h3 { font-size:1.1rem; margin-bottom:8px; color:#2d1e1a; }
.content-wall-body p { font-size:0.9rem; opacity:0.6; color:#5a423c; }

/* FAQ — 圆润折叠 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:none; border-radius:16px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer; 
  background:#fff; 
  box-shadow:0 4px 16px rgba(255,120,100,0.06);
  border:1px solid rgba(255,150,130,0.1);
  transition:0.25s;
}
.faq-item:hover { box-shadow:0 6px 24px rgba(255,107,86,0.1); }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between; 
  color:#2d1e1a; font-size:1rem;
}
.faq-item .faq-question::after { 
  content:'+'; font-size:1.2rem; color:#ff6b56; transition:0.3s; 
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  opacity:0.7; color:#5a423c; line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 渐变立体 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:24px; 
  background: linear-gradient(135deg, #ff8a73, #ff6b56, #e85a45);
  box-shadow:0 20px 60px rgba(255,107,86,0.3);
  color:#fff; position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; top:-50%; left:-50%; width:200%; height:200%;
  background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events:none;
}
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; }
.cta-banner p { color:rgba(255,255,255,0.85); margin:12px 0 28px; }
.cta-banner .btn-primary { 
  background:#fff; color:#ff6b56; 
  box-shadow:0 6px 20px rgba(0,0,0,0.1);
}

/* 页脚 — 暖调深色 */
.site-footer { 
  padding:60px 0 28px; 
  background: #2d1e1a; color:rgba(255,245,240,0.8); 
}
.site-footer .container { }
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; 
}
.footer-brand { }
.footer-brand .logo { color:#fff; }
.footer-col h4 { 
  font-size:0.9rem; font-weight:700; margin-bottom:16px; 
  color:#fff; letter-spacing:1px;
}
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:8px; }
.footer-col a { 
  color:rgba(255,245,240,0.6); text-decoration:none; 
  font-size:0.9rem; transition:0.2s;
}
.footer-col a:hover { color:#ff8a73; }
.footer-bottom { 
  border-top:1px solid rgba(255,245,240,0.08); 
  margin-top:48px; padding-top:24px; 
  text-align:center; font-size:0.85rem; 
  color:rgba(255,245,240,0.4);
}

/* 工具类 */
.text-accent { color:#ff6b56; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.65; color:#5a423c; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .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:rgba(255,245,240,0.98); 
    backdrop-filter:blur(12px);
    padding:24px 32px; gap:16px; 
    border-bottom:1px solid rgba(255,150,130,0.2);
  }
  .hero h1 { font-size:2.2rem; }
  .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:1.8rem; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:2rem; }
}