/* ============================================
   wl瓦力棋牌 - 温暖活力设计系统
   配色：奶油白 + 珊瑚橙 + 薄荷绿 + 暖琥珀
   ============================================ */

/* 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:#FFFAF2; 
  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; position:relative; }
.section:nth-child(even) { background:#FFF5EC; }
.section:nth-child(odd) { background:#FFFAF2; }

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(255,250,242,0.92); 
  backdrop-filter:blur(16px); 
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,107,107,0.12); 
  transition:all 0.3s ease;
}
.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:-0.5px;
  transition:transform 0.2s ease;
}
.logo:hover { transform:scale(1.03); }
.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, #FF6B6B 0%, #FF8E72 100%);
  color:#fff; 
  box-shadow:0 3px 12px rgba(255,107,107,0.25);
}
.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:#5D4A47; transition:all 0.25s ease; 
  position:relative; padding:4px 0;
}
.main-nav a::after {
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px;
  background:#FF6B6B; border-radius:1px; transition:width 0.25s ease;
}
.main-nav a:hover { color:#FF6B6B; }
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:10px 22px; border-radius:25px; 
  color:#fff!important; font-weight:700; 
  background:linear-gradient(135deg, #FF6B6B 0%, #FF8E72 100%);
  box-shadow:0 4px 16px rgba(255,107,107,0.3);
  transition:all 0.3s ease!important;
}
.nav-cta:hover { 
  transform:translateY(-2px); 
  box-shadow:0 6px 24px rgba(255,107,107,0.4);
}
.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; gap:6px;
  padding:4px;
}
.menu-toggle span { 
  display:block; width:24px; height:2.5px; 
  background:#3D2C2A; border-radius:2px; transition:0.3s;
}

/* Hero */
.hero { 
  min-height:70vh; display:flex; align-items:center; 
  background:linear-gradient(160deg, #FFFAF2 0%, #FFF0E5 40%, #FFF5EC 100%);
  position:relative; overflow:hidden;
}
.hero::before {
  content:''; position:absolute; top:-80px; right:-120px;
  width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle, rgba(78,205,196,0.15) 0%, transparent 70%);
  pointer-events:none;
}
.hero::after {
  content:''; position:absolute; bottom:-60px; left:-80px;
  width:300px; height:300px; border-radius:50%;
  background:radial-gradient(circle, rgba(255,107,107,0.1) 0%, transparent 70%);
  pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.82rem; font-weight:700; 
  padding:6px 16px; border-radius:20px; margin-bottom:18px;
  background:rgba(78,205,196,0.15); color:#2EA89E;
  letter-spacing:1.5px; text-transform:uppercase;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.18; margin-bottom:22px; 
  font-weight:900; letter-spacing:-1px; color:#3D2C2A;
}
.hero h1 .highlight { 
  background:linear-gradient(135deg, #FF6B6B 0%, #F7B731 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.12rem; opacity:0.75; max-width:540px; 
  margin-bottom:36px; color:#6B5652; 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(61,44,42,0.1), 0 4px 16px rgba(255,107,107,0.08);
  border:1px solid rgba(255,107,107,0.1);
}
.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:28px; font-weight:700; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:all 0.3s cubic-bezier(0.4,0,0.2,1); 
  font-size:0.95rem; letter-spacing:0.3px;
  position:relative; overflow:hidden;
}
.btn-primary { 
  color:#fff; 
  background:linear-gradient(135deg, #FF6B6B 0%, #FF8E72 100%);
  box-shadow:0 6px 20px rgba(255,107,107,0.35);
}
.btn-primary:hover { 
  transform:translateY(-3px); 
  box-shadow:0 10px 30px rgba(255,107,107,0.45);
}
.btn-outline { 
  background:transparent; border:2px solid #FF6B6B; color:#FF6B6B; 
  font-weight:600;
}
.btn-outline:hover { 
  background:#FF6B6B; color:#fff; 
  box-shadow:0 6px 20px rgba(255,107,107,0.3);
  transform:translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.78rem; font-weight:700; 
  letter-spacing:2.5px; margin-bottom:12px; 
  color:#FF6B6B; text-transform:uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:16px; font-weight:900; 
  letter-spacing:-0.5px; color:#3D2C2A; line-height:1.25;
}
.section-desc { 
  max-width:620px; opacity:0.7; margin-bottom:44px; 
  color:#6B5652; font-size:1.05rem; line-height:1.7;
}

/* 卡片网格 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:18px; padding:32px 28px; 
  border:1.5px solid rgba(255,107,107,0.08); 
  background:#FFFAF2;
  transition:all 0.35s cubic-bezier(0.4,0,0.2,1); 
  position:relative; overflow:hidden;
  cursor:pointer;
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:100%; height:3px;
  background:linear-gradient(90deg, #FF6B6B, #4ECDC4, #F7B731);
  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 40px rgba(61,44,42,0.1), 0 2px 8px rgba(255,107,107,0.06);
  border-color:rgba(255,107,107,0.15);
}
.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, rgba(255,107,107,0.12) 0%, rgba(255,142,114,0.08) 100%);
  color:#FF6B6B;
  transition:all 0.3s ease;
}
.category-card:hover .card-icon {
  background:linear-gradient(135deg, #FF6B6B 0%, #FF8E72 100%);
  color:#fff; box-shadow:0 4px 14px rgba(255,107,107,0.3);
}
.category-card h3 { font-size:1.15rem; font-weight:700; margin-bottom:8px; color:#3D2C2A; }
.category-card p { font-size:0.9rem; color:#6B5652; opacity:0.75; margin-bottom:16px; line-height:1.6; }
.card-link { 
  font-weight:700; font-size:0.85rem; text-decoration:none; 
  color:#FF6B6B; display:inline-flex; align-items:center; gap:6px;
  transition:gap 0.25s ease;
}
.card-link:hover { gap:10px; }

/* 特性块 */
.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(61,44,42,0.1);
  border:1px solid rgba(255,107,107,0.08);
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text h3 { font-size:1.6rem; font-weight:800; margin-bottom:14px; color:#3D2C2A; }
.feature-text p { color:#6B5652; opacity:0.8; margin-bottom:20px; line-height:1.7; }
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  font-weight:500; color:#3D2C2A; font-size:0.95rem;
}
.feature-list li::before { 
  content:'✓'; font-weight:800; color:#4ECDC4; font-size:1.1rem;
  width:24px; height:24px; border-radius:50%; 
  background:rgba(78,205,196,0.12); 
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}

/* 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; 
  border:1.5px solid rgba(255,107,107,0.08); 
  background:#FFFAF2;
  transition:all 0.3s ease;
}
.stat-item:hover { 
  transform:translateY(-3px); 
  box-shadow:0 8px 28px rgba(61,44,42,0.08);
  border-color:rgba(255,107,107,0.2);
}
.stat-number { 
  font-size:2.6rem; font-weight:900; letter-spacing:-1px;
  background:linear-gradient(135deg, #FF6B6B 0%, #F7B731 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label { font-size:0.9rem; opacity:0.65; margin-top:8px; color:#6B5652; font-weight:500; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:18px; overflow:hidden; 
  border:1.5px solid rgba(255,107,107,0.08); 
  background:#FFFAF2;
  transition:all 0.35s cubic-bezier(0.4,0,0.2,1); 
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 14px 44px rgba(61,44,42,0.1);
  border-color:rgba(78,205,196,0.3);
}
.content-wall-item img { 
  width:100%; height:210px; object-fit:cover; display:block;
  transition:transform 0.4s ease;
}
.content-wall-item:hover img { transform:scale(1.04); }
.content-wall-body { padding:22px; }
.content-wall-body h4 { font-weight:700; margin-bottom:6px; color:#3D2C2A; font-size:1.05rem; }
.content-wall-body p { font-size:0.88rem; color:#6B5652; opacity:0.7; }

/* FAQ */
.faq-list { max-width:820px; margin:0 auto; }
.faq-item { 
  border:1.5px solid rgba(255,107,107,0.1); 
  border-radius:14px; margin-bottom:10px; overflow:hidden; 
  cursor:pointer; background:#FFFAF2;
  transition:all 0.3s ease;
}
.faq-item:hover { border-color:rgba(255,107,107,0.25); }
.faq-item .faq-question { 
  padding:18px 22px; font-weight:700; 
  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:#FF6B6B; transition:transform 0.3s; }
.faq-item.open .faq-question::after { content:'−'; transform:rotate(180deg); }
.faq-item .faq-answer { 
  padding:0 22px 18px; display:none; opacity:0.72; 
  color:#6B5652; line-height:1.7; font-size:0.93rem;
}
.faq-item.open .faq-answer { display:block; }
.faq-item.open { 
  border-color:rgba(255,107,107,0.3); 
  box-shadow:0 4px 20px rgba(255,107,107,0.08);
}

/* CTA横幅 */
.cta-banner { 
  padding:64px 28px; text-align:center; border-radius:22px; 
  color:#fff; 
  background:linear-gradient(135deg, #FF6B6B 0%, #FF8E72 40%, #F7B731 100%);
  position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; top:-40px; right:-40px;
  width:180px; height:180px; border-radius:50%;
  background:rgba(255,255,255,0.1);
  pointer-events:none;
}
.cta-banner::after {
  content:''; position:absolute; bottom:-30px; left:-30px;
  width:140px; height:140px; border-radius:50%;
  background:rgba(255,255,255,0.07);
  pointer-events:none;
}
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:900; margin-bottom:12px; position:relative; z-index:1; }
.cta-banner p { opacity:0.9; margin-bottom:24px; position:relative; z-index:1; font-size:1.05rem; }
.cta-banner .btn-primary { 
  background:#fff; color:#FF6B6B; font-weight:800; 
  box-shadow:0 6px 20px rgba(0,0,0,0.12);
  position:relative; z-index:1;
}
.cta-banner .btn-primary:hover { 
  background:#FFFBF5; transform:translateY(-3px); 
  box-shadow:0 10px 30px rgba(0,0,0,0.18);
}

/* 页脚 */
.site-footer { 
  padding:60px 0 28px; 
  background:#FFF5EC; 
  color:#3D2C2A;
  border-top:1px solid rgba(255,107,107,0.1);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px; }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { opacity:0.65; font-size:0.9rem; color:#6B5652; line-height:1.6; margin-top:8px; }
.footer-col h4 { font-weight:700; margin-bottom:14px; font-size:0.95rem; color:#3D2C2A; }
.footer-col a { 
  display:block; text-decoration:none; color:#6B5652; 
  font-size:0.88rem; padding:5px 0; transition:color 0.2s; opacity:0.75;
}
.footer-col a:hover { color:#FF6B6B; opacity:1; }
.footer-bottom { 
  border-top:1px solid rgba(61,44,42,0.08); 
  margin-top:44px; padding-top:22px; 
  text-align:center; font-size:0.85rem; 
  color:#6B5652; opacity:0.65;
}

/* 工具类 */
.text-accent { color:#FF6B6B; font-weight:700; }
.text-center { text-align:center; }
.seo-description { 
  max-width:620px; margin:0 auto 52px; opacity:0.7; 
  color:#6B5652; font-size:1rem; line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero h1 { font-size:2.6rem; }
  .section-title { font-size:1.9rem; }
  .feature-block { gap:40px; }
}
@media (max-width: 768px) {
  .section { padding:56px 0; }
  .hero { min-height:auto; padding:100px 0 56px; }
  .hero h1 { font-size:2.2rem; }
  .hero p { font-size:1rem; }
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .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:rgba(255,250,242,0.98); 
    backdrop-filter:blur(12px);
    padding:24px; gap:16px;
    border-bottom:1px solid rgba(255,107,107,0.1);
    box-shadow:0 8px 24px rgba(61,44,42,0.06);
  }
  .main-nav.open a { font-size:1rem; padding:8px 0; }
  .section-title { font-size:1.7rem; }
}
@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .hero-buttons { flex-direction:column; align-items:flex-start; }
  .hero h1 { font-size:1.85rem; }
  .btn { width:100%; justify-content:center; }
  .hero-buttons .btn { width:auto; }
  .section-title { font-size:1.5rem; }
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
}