/* ============================================
   利澳娱乐平台 — 暖阳珊瑚设计系统
   独特配色：奶油白 + 焦糖橙 + 鼠尾草绿 + 深可可
   ============================================ */

/* 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:#3D2C2A; 
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#F7F3ED; }

/* 导航 — 固定顶部 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(255,255,255,0.92); 
  backdrop-filter:blur(16px); 
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(200,160,120,0.15); 
  transition:box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow:0 2px 24px rgba(61,44,42,0.06); }
.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:800; font-size:1.25rem; text-decoration:none; 
  color:#3D2C2A; letter-spacing:-0.02em;
  transition:opacity 0.2s;
}
.logo:hover { opacity:0.8; }
.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, #C8754A, #E09B6E);
  color:#fff; font-weight:700;
}
.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:#5C4A42; transition:0.25s; position:relative;
  padding:4px 0;
}
.main-nav a::after {
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px;
  background:#C8754A; border-radius:2px; transition:width 0.3s ease;
}
.main-nav a:hover { color:#C8754A; }
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:10px 22px; border-radius:25px; 
  background:linear-gradient(135deg, #C8754A, #D4845A);
  color:#fff!important; font-weight:600; 
  box-shadow:0 4px 14px rgba(200,117,74,0.25);
  transition:all 0.3s ease;
}
.nav-cta:hover { 
  transform:translateY(-2px); 
  box-shadow:0 6px 20px rgba(200,117,74,0.35);
}
.nav-cta::after { display:none!important; }
.menu-toggle { 
  display:none; background:none; border:none; cursor:pointer;
  width:36px; height:36px; flex-direction:column; justify-content:center;
  align-items:center; gap:6px; padding:4px;
}
.menu-toggle span { 
  display:block; width:24px; height:2px; background:#3D2C2A;
  border-radius:2px; transition:0.3s;
}

/* 首页Hero */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  padding-top:68px; position:relative; overflow:hidden;
}
.hero::before {
  content:''; position:absolute; top:-120px; right:-80px;
  width:500px; height:500px; border-radius:50%;
  background:radial-gradient(circle, rgba(200,117,74,0.06) 0%, transparent 70%);
  pointer-events:none;
}
.hero::after {
  content:''; position:absolute; bottom:-60px; left:-40px;
  width:300px; height:300px; border-radius:50%;
  background:radial-gradient(circle, rgba(122,154,126,0.05) 0%, transparent 70%);
  pointer-events:none;
}
.hero .container { 
  display:grid; grid-template-columns:1fr 1fr; gap:56px; 
  align-items:center; position:relative; z-index:1;
}
.hero-content { max-width:600px; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:700; 
  padding:5px 16px; border-radius:20px; margin-bottom:18px;
  background:#FFF0E5; color:#C8754A; letter-spacing:0.06em;
  text-transform:uppercase;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; margin-bottom:22px; 
  color:#3D2C2A; font-weight:800; letter-spacing:-0.03em;
}
.hero h1 .highlight { 
  background:linear-gradient(135deg, #C8754A, #D4945A);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.15rem; color:#7A6B62; max-width:520px; 
  margin-bottom:36px; line-height:1.7;
}
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow:0 20px 60px rgba(61,44,42,0.08);
  transform:rotate(-1deg); transition:transform 0.4s ease;
}
.hero-image:hover { transform:rotate(0deg) scale(1.01); }
.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:25px; font-weight:600; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:all 0.3s ease; font-size:0.95rem;
  letter-spacing:0.01em;
}
.btn-primary { 
  background:linear-gradient(135deg, #C8754A, #D4845A);
  color:#fff; box-shadow:0 4px 16px rgba(200,117,74,0.25);
}
.btn-primary:hover { 
  transform:translateY(-2px); 
  box-shadow:0 8px 24px rgba(200,117,74,0.35);
}
.btn-outline { 
  background:transparent; border:1.5px solid #C8754A; 
  color:#C8754A;
}
.btn-outline:hover { 
  background:#C8754A; color:#fff; 
  box-shadow:0 4px 16px rgba(200,117,74,0.2);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.78rem; font-weight:700; 
  letter-spacing:0.08em; margin-bottom:12px; 
  color:#C8754A; text-transform:uppercase;
  position:relative; padding-left:28px;
}
.section-label::before {
  content:''; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:18px; height:2px; background:#C8754A; border-radius:2px;
}
.section-title { 
  font-size:2.2rem; margin-bottom:16px; 
  color:#3D2C2A; font-weight:800; letter-spacing:-0.02em;
}
.section-desc { 
  max-width:600px; color:#7A6B62; margin-bottom:44px; 
  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:16px; padding:30px 26px; 
  background:#fff; 
  border:1px solid rgba(200,160,120,0.12); 
  transition:all 0.35s ease; 
  position:relative; overflow:hidden;
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:100%; height:3px;
  background:linear-gradient(90deg, #C8754A, #E09B6E, #C8754A);
  transform:scaleX(0); transform-origin:left;
  transition:transform 0.4s ease;
}
.category-card:hover::before { transform:scaleX(1); }
.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow:0 12px 32px rgba(61,44,42,0.08);
  border-color:transparent;
}
.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:#FFF5ED; color:#C8754A;
  transition:all 0.3s ease;
}
.category-card:hover .card-icon {
  background:#C8754A; color:#fff;
  transform:scale(1.05);
}
.category-card h3 { 
  font-size:1.15rem; font-weight:700; margin-bottom:8px; 
  color:#3D2C2A;
}
.category-card p { 
  font-size:0.9rem; color:#7A6B62; margin-bottom:16px; line-height:1.6;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#C8754A; display:inline-flex; align-items:center; gap:6px;
  transition:gap 0.3s ease;
}
.card-link:hover { gap:10px; }
.card-link::after { content:'→'; font-size:1rem; }

/* 特性块 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow:0 16px 48px rgba(61,44,42,0.07);
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text h3 { 
  font-size:1.8rem; font-weight:800; margin-bottom:16px; 
  color:#3D2C2A; letter-spacing:-0.02em;
}
.feature-text p { 
  color:#7A6B62; margin-bottom:24px; line-height:1.7;
}
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  color:#5C4A42; font-weight:500;
}
.feature-list li::before { 
  content:'✓'; font-weight:700; color:#7A9A7E; 
  font-size:1.1rem; flex-shrink:0;
  width:24px; height:24px; display:flex; align-items:center;
  justify-content:center; background:#EDF5EE; border-radius:50%;
}

/* 数据条 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; 
}
.stat-item { 
  padding:28px 20px; border-radius:16px; 
  background:#fff; border:1px solid rgba(200,160,120,0.1);
  transition:all 0.3s ease;
}
.stat-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 28px rgba(61,44,42,0.06);
}
.stat-number { 
  font-size:2.4rem; font-weight:800; 
  background:linear-gradient(135deg, #C8754A, #D4945A);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label { font-size:0.9rem; color:#8B7D75; margin-top:8px; font-weight:500; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:24px; 
}
.content-wall-item { 
  border-radius:16px; overflow:hidden; 
  background:#fff; border:1px solid rgba(200,160,120,0.1);
  transition:all 0.35s ease; 
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow:0 12px 32px rgba(61,44,42,0.08);
}
.content-wall-item img { 
  width:100%; height:200px; object-fit:cover; display:block;
  transition:transform 0.5s ease;
}
.content-wall-item:hover img { transform:scale(1.04); }
.content-wall-body { padding:22px; }
.content-wall-body h4 { 
  font-size:1.05rem; font-weight:700; margin-bottom:6px; color:#3D2C2A;
}
.content-wall-body p { 
  font-size:0.88rem; color:#7A6B62; line-height:1.5;
}

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(200,160,120,0.12); border-radius:12px; 
  margin-bottom:10px; overflow:hidden; cursor:pointer;
  background:#fff; transition:all 0.3s ease;
}
.faq-item:hover { border-color:rgba(200,117,74,0.25); }
.faq-item .faq-question { 
  padding:18px 22px; font-weight:600; display:flex; 
  justify-content:space-between; align-items:center;
  color:#3D2C2A; font-size:1rem;
}
.faq-item .faq-question::after { 
  content:'+'; font-size:1.3rem; color:#C8754A; 
  transition:transform 0.3s ease; font-weight:400;
}
.faq-item.open .faq-question::after { content:'−'; transform:rotate(180deg); }
.faq-item .faq-answer { 
  padding:0 22px 18px; display:none; 
  color:#7A6B62; line-height:1.7; font-size:0.95rem;
}
.faq-item.open { border-color:rgba(200,117,74,0.3); box-shadow:0 4px 16px rgba(61,44,42,0.04); }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:60px 24px; text-align:center; border-radius:20px; 
  color:#fff; 
  background:linear-gradient(135deg, #C8754A 0%, #D4945A 30%, #C8754A 70%, #B5653D 100%);
  background-size:200% 200%;
  animation:ctaShimmer 6s ease infinite;
  position:relative; overflow:hidden;
}
@keyframes ctaShimmer {
  0%,100% { background-position:0% 50%; }
  50% { background-position:100% 50%; }
}
.cta-banner::before {
  content:''; position:absolute; top:-50%; left:-50%; width:200%; height:200%;
  background:radial-gradient(circle at 30% 40%, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events:none;
}
.cta-banner h2 { 
  color:#fff; font-size:2rem; font-weight:800; 
  position:relative; z-index:1; letter-spacing:-0.02em;
}
.cta-banner p { 
  color:rgba(255,255,255,0.85); margin:12px auto 28px; 
  max-width:500px; position:relative; z-index:1;
}
.cta-banner .btn-primary { 
  background:#fff; color:#C8754A; 
  box-shadow:0 4px 20px rgba(0,0,0,0.1);
  position:relative; z-index:1;
}
.cta-banner .btn-primary:hover { 
  background:#FFFBF7; box-shadow:0 8px 28px rgba(0,0,0,0.15);
}

/* 页脚 */
.site-footer { 
  padding:56px 0 28px; 
  background:#F5F0EA; border-top:1px solid rgba(200,160,120,0.15);
}
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; 
}
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { color:#7A6B62; font-size:0.9rem; line-height:1.6; max-width:280px; }
.footer-col h4 { 
  font-size:0.85rem; font-weight:700; margin-bottom:16px; 
  color:#3D2C2A; letter-spacing:0.04em; text-transform:uppercase;
}
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { 
  text-decoration:none; color:#7A6B62; font-size:0.9rem; 
  transition:color 0.25s;
}
.footer-col ul li a:hover { color:#C8754A; }
.footer-bottom { 
  border-top:1px solid rgba(200,160,120,0.12); 
  margin-top:40px; padding-top:20px; text-align:center; 
  font-size:0.85rem; color:#8B7D75;
}

/* 工具类 */
.text-accent { color:#C8754A; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; margin:0 auto 48px; 
  color:#7A6B62; font-size:0.95rem; line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns:1fr; gap:40px; }
  .hero-image { max-width:480px; margin:0 auto; }
  .hero h1 { font-size:2.6rem; }
  .feature-block { gap:40px; }
}

@media (max-width: 768px) {
  .section { padding:56px 0; }
  .hero { min-height:auto; padding-top:88px; padding-bottom:40px; }
  .hero h1 { font-size:2.2rem; }
  .hero p { font-size:1rem; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image { order:-1; max-width:400px; margin:0 auto; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { 
    display:flex; flex-direction:column; position:absolute; 
    top:68px; left:0; width:100%; background:#fff; 
    padding:24px; gap:16px; box-shadow:0 12px 32px rgba(61,44,42,0.06);
    border-bottom:1px solid rgba(200,160,120,0.1);
  }
  .main-nav.open a { font-size:1rem; padding:8px 0; }
  .section-title { font-size:1.8rem; }
}

@media (max-width: 480px) {
  .container { padding:0 16px; }
  .hero h1 { font-size:1.8rem; }
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { justify-content:center; }
  .cta-banner { padding:40px 20px; border-radius:14px; }
  .cta-banner h2 { font-size:1.5rem; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:1.8rem; }
  .footer-bottom { font-size:0.78rem; }
}