/* ============================================
   Fun88体育注册 - 珊瑚活力设计系统
   风格：新热带现代主义 × 运动美学
   ============================================ */

:root {
  --cream: #fdfaf5;
  --mint-tint: #f5faf8;
  --coral: #ff5e57;
  --coral-deep: #e0483f;
  --coral-glow: #ff8a80;
  --mint: #00b894;
  --mint-deep: #009a7b;
  --navy-text: #2d3436;
  --soft-text: #5a6168;
  --white: #ffffff;
  --border-soft: #e8e4df;
  --border-mint: #dce8e3;
  --shadow-sm: 0 1px 3px rgba(45,52,54,0.04);
  --shadow-md: 0 6px 24px rgba(45,52,54,0.07);
  --shadow-lg: 0 12px 40px rgba(45,52,54,0.10);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 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: var(--cream);
  color: var(--navy-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 自定义滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: #d5cfc6; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #b8b0a4; }

/* 选择文本 */
::selection { background: var(--coral-glow); color: #fff; }

/* 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: var(--mint-tint); }

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(253,250,245,0.92); 
  backdrop-filter:blur(16px); 
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-soft); 
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.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:var(--navy-text);
  letter-spacing: -0.3px;
}
.logo-icon { 
  width:38px; height:38px; border-radius:var(--radius-md); 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem; 
  background: linear-gradient(135deg, var(--coral), var(--coral-deep));
  color:#fff;
  font-weight:800;
  box-shadow: 0 3px 12px rgba(255,94,87,0.3);
}
.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; 
  color:var(--navy-text);
  position:relative;
  transition:var(--transition);
  padding:6px 0;
}
.main-nav a::after {
  content:'';
  position:absolute;
  bottom:0; left:0;
  width:0; height:2px;
  background:var(--coral);
  border-radius:1px;
  transition:var(--transition);
}
.main-nav a:hover { color:var(--coral); }
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:9px 22px; border-radius:var(--radius-md); 
  color:#fff!important; font-weight:600; 
  background: linear-gradient(135deg, var(--coral), #f7674d);
  box-shadow: 0 4px 14px rgba(255,94,87,0.35);
  transition:var(--transition);
}
.nav-cta:hover { 
  box-shadow: 0 6px 20px rgba(255,94,87,0.45);
  transform:translateY(-1px);
}
.nav-cta::after { display:none!important; }
.menu-toggle { 
  display:none; 
  background:none; border:none; 
  cursor:pointer;
  padding:8px;
  flex-direction:column;
  gap:5px;
  z-index:1001;
}
.menu-toggle span {
  display:block;
  width:26px; height:2.5px;
  background:var(--navy-text);
  border-radius:2px;
  transition:var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity:0; }
.menu-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* 首页Hero */
.hero { 
  min-height:75vh; 
  display:flex; 
  align-items:center; 
  position:relative;
  overflow:hidden;
  padding-top:68px;
}
.hero::before {
  content:'';
  position:absolute;
  top:-180px; right:-120px;
  width:520px; height:520px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(255,94,87,0.06) 0%, rgba(0,184,148,0.04) 50%, transparent 70%);
  pointer-events:none;
}
.hero::after {
  content:'';
  position:absolute;
  bottom:-100px; left:-80px;
  width:340px; height:340px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(0,184,148,0.05) 0%, rgba(255,94,87,0.03) 50%, transparent 70%);
  pointer-events:none;
}
.hero .container {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:1;
  width:100%;
}
.hero-content { max-width:620px; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.8rem; font-weight:700; 
  padding:5px 16px; 
  border-radius:20px; 
  margin-bottom:18px;
  background: rgba(0,184,148,0.1);
  color: var(--mint-deep);
  letter-spacing:1.5px;
  text-transform:uppercase;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; 
  margin-bottom:20px; 
  font-weight:800;
  letter-spacing:-0.8px;
  color:var(--navy-text);
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--coral), #f7674d);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.1rem; 
  color:var(--soft-text);
  max-width:520px; 
  margin-bottom:34px; 
  line-height:1.7;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-visual {
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-image { 
  border-radius:var(--radius-xl); 
  overflow:hidden;
  width:100%;
  aspect-ratio:4/3;
  background: linear-gradient(145deg, #fff8f6, #fdf0ed, #fefefe);
  border:2px solid rgba(255,94,87,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  box-shadow: var(--shadow-lg);
}
.hero-image::after {
  content:'⚽';
  font-size:6rem;
  opacity:0.18;
  position:absolute;
}
.hero-image img { width:100%; height:100%; object-fit:cover; display:none; }
.hero-image.has-image::after { display:none; }
.hero-image.has-image img { display:block; }

/* 装饰浮动元素 */
.hero-visual .float-badge {
  position:absolute;
  top:10%; right:-14px;
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:14px 18px;
  box-shadow:var(--shadow-md);
  font-weight:700;
  font-size:0.85rem;
  color:var(--coral);
  display:flex;
  align-items:center;
  gap:8px;
  animation: floatBadge 3s ease-in-out infinite;
}
@keyframes floatBadge {
  0%,100% { transform:translateY(0); }
  50% { transform:translateY(-10px); }
}

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:13px 30px; border-radius:var(--radius-md); 
  font-weight:600; cursor:pointer; border:none; 
  text-decoration:none; 
  transition:var(--transition);
  font-size:0.95rem;
  letter-spacing:0.2px;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, var(--coral), #f7674d);
  box-shadow: 0 4px 16px rgba(255,94,87,0.3);
}
.btn-primary:hover { 
  box-shadow: 0 6px 24px rgba(255,94,87,0.45);
  transform:translateY(-2px);
}
.btn-outline { 
  background:transparent; 
  border:2px solid var(--coral);
  color:var(--coral);
}
.btn-outline:hover { 
  background:var(--coral);
  color:#fff;
  transform:translateY(-2px);
}
.btn-lg { padding:16px 36px; font-size:1rem; border-radius:var(--radius-lg); }
.btn-sm { padding:8px 18px; font-size:0.85rem; border-radius:var(--radius-sm); }

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.78rem; font-weight:700; 
  letter-spacing:2.5px; 
  margin-bottom:12px; 
  color:var(--coral);
  text-transform:uppercase;
}
.section-title { 
  font-size:2.2rem; 
  margin-bottom:14px; 
  font-weight:800;
  letter-spacing:-0.5px;
  color:var(--navy-text);
  line-height:1.25;
}
.section-desc { 
  max-width:600px; 
  color:var(--soft-text);
  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(270px,1fr)); 
  gap:24px; 
}
.category-card { 
  border-radius:var(--radius-lg); 
  padding:30px 26px; 
  border:1.5px solid var(--border-soft); 
  transition:var(--transition);
  background:var(--white);
  position:relative;
  overflow:hidden;
}
.category-card::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height:3px;
  background: linear-gradient(90deg, var(--coral), var(--mint));
  transform:scaleX(0);
  transform-origin:left;
  transition:var(--transition);
}
.category-card:hover { 
  transform:translateY(-4px); 
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.category-card:hover::before { transform:scaleX(1); }
.card-icon { 
  width:50px; height:50px; 
  border-radius:var(--radius-md); 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem; 
  background: rgba(0,184,148,0.1);
  color:var(--mint);
  transition:var(--transition);
}
.category-card:hover .card-icon {
  background:var(--mint);
  color:#fff;
  box-shadow: 0 4px 14px rgba(0,184,148,0.3);
}
.category-card h3 {
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:8px;
  color:var(--navy-text);
}
.category-card p {
  font-size:0.9rem;
  color:var(--soft-text);
  margin-bottom:16px;
  line-height:1.6;
}
.card-link { 
  font-weight:600; font-size:0.85rem; 
  text-decoration:none; 
  color:var(--coral);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
}
.card-link:hover { gap:10px; color:var(--coral-deep); }
.card-link::after { content:'→'; transition:var(--transition); }

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:56px; 
  align-items:center; 
}
.feature-image { 
  border-radius:var(--radius-xl); 
  overflow:hidden; 
  background: linear-gradient(160deg, #fef9f7, #fdf5f0, #fefdfb);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1.5px solid rgba(255,94,87,0.06);
  box-shadow:var(--shadow-md);
  position:relative;
}
.feature-image::after {
  content:'🏆';
  font-size:5rem;
  opacity:0.15;
  position:absolute;
}
.feature-image img { width:100%; height:100%; object-fit:cover; position:relative; z-index:1; display:none; }
.feature-image.has-image::after { display:none; }
.feature-image.has-image img { display:block; }
.feature-text h3 {
  font-size:1.6rem;
  font-weight:800;
  margin-bottom:12px;
  color:var(--navy-text);
}
.feature-text p {
  color:var(--soft-text);
  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; 
  color:var(--navy-text);
  font-weight:500;
  font-size:0.95rem;
}
.feature-list li::before { 
  content:'✓'; 
  font-weight:700; 
  color:var(--mint);
  background:rgba(0,184,148,0.1);
  width:24px; height:24px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.75rem;
  flex-shrink:0;
}

/* 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:var(--radius-lg); 
  border:1.5px solid var(--border-soft);
  background:var(--white);
  transition:var(--transition);
}
.stat-item:hover {
  border-color:var(--coral-glow);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.stat-number { 
  font-size:2.6rem; 
  font-weight:800; 
  color:var(--coral);
  letter-spacing:-1px;
  line-height:1;
}
.stat-label { 
  font-size:0.9rem; 
  color:var(--soft-text);
  margin-top:8px; 
  font-weight:500;
}

/* 内容墙 */
.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); 
  gap:24px; 
}
.content-wall-item { 
  border-radius:var(--radius-lg); 
  overflow:hidden; 
  border:1.5px solid var(--border-soft); 
  transition:var(--transition);
  background:var(--white);
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.content-wall-item img { 
  width:100%; height:200px; 
  object-fit:cover; 
  background:linear-gradient(150deg, #fdf6f3, #fdf9f5);
  display:block;
}
.content-wall-body { 
  padding:22px 20px; 
}
.content-wall-body h4 {
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:6px;
  color:var(--navy-text);
}
.content-wall-body p {
  font-size:0.85rem;
  color:var(--soft-text);
  line-height:1.6;
}
.content-wall-body .card-link { margin-top:8px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1.5px solid var(--border-soft); 
  border-radius:var(--radius-md); 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer; 
  background:var(--white);
  transition:var(--transition);
}
.faq-item:hover { border-color:#ddd8d0; }
.faq-item .faq-question { 
  padding:18px 22px; 
  font-weight:600; 
  display:flex; 
  justify-content:space-between;
  align-items:center;
  color:var(--navy-text);
  font-size:0.98rem;
  user-select:none;
}
.faq-item .faq-question .faq-icon {
  width:28px; height:28px;
  border-radius:50%;
  background:rgba(255,94,87,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.8rem;
  color:var(--coral);
  transition:var(--transition);
  flex-shrink:0;
}
.faq-item .faq-answer { 
  padding:0 22px 18px; 
  display:none; 
  color:var(--soft-text);
  line-height:1.7;
  font-size:0.9rem;
}
.faq-item.open { 
  border-color:var(--coral-glow);
  box-shadow:0 2px 12px rgba(255,94,87,0.06);
}
.faq-item.open .faq-answer { display:block; }
.faq-item.open .faq-icon { 
  background:var(--coral);
  color:#fff;
  transform:rotate(45deg);
}

/* CTA横幅 */
.cta-banner { 
  padding:60px 32px; 
  text-align:center; 
  border-radius:var(--radius-xl); 
  color:#fff; 
  background: linear-gradient(145deg, var(--coral), #f7674d, #e8553d);
  position:relative;
  overflow:hidden;
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-60px; right:-60px;
  width:200px; height:200px;
  border-radius:50%;
  background:rgba(255,255,255,0.06);
  pointer-events:none;
}
.cta-banner::after {
  content:'';
  position:absolute;
  bottom:-40px; left:-40px;
  width:140px; height:140px;
  border-radius:50%;
  background:rgba(255,255,255,0.04);
  pointer-events:none;
}
.cta-banner h2 { 
  color:#fff; 
  font-size:2rem;
  font-weight:800;
  margin-bottom:10px;
  position:relative;
  z-index:1;
}
.cta-banner p {
  color:rgba(255,255,255,0.85);
  margin-bottom:24px;
  font-size:1rem;
  position:relative;
  z-index:1;
}
.cta-banner .btn-primary { 
  background:#fff; 
  color:var(--coral);
  box-shadow:0 4px 20px rgba(0,0,0,0.12);
  position:relative;
  z-index:1;
  font-weight:700;
}
.cta-banner .btn-primary:hover { 
  background:#fefefe;
  box-shadow:0 6px 28px rgba(0,0,0,0.18);
  transform:translateY(-2px);
}

/* 页脚 */
.site-footer { 
  padding:60px 0 28px; 
  background:#faf7f1;
  border-top:1px solid var(--border-soft);
}
.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 {
  color:var(--soft-text);
  font-size:0.9rem;
  line-height:1.7;
  margin-top:8px;
}
.footer-col h4 {
  font-size:0.9rem;
  font-weight:700;
  margin-bottom:16px;
  color:var(--navy-text);
  letter-spacing:0.5px;
}
.footer-col a {
  display:block;
  text-decoration:none;
  color:var(--soft-text);
  font-size:0.88rem;
  padding:5px 0;
  transition:var(--transition);
}
.footer-col a:hover { color:var(--coral); padding-left:4px; }
.footer-bottom { 
  border-top:1px solid var(--border-soft); 
  margin-top:44px; 
  padding-top:22px; 
  text-align:center; 
  font-size:0.85rem; 
  color:var(--soft-text);
}

/* 工具类 */
.text-accent { color:var(--coral); }
.text-mint { color:var(--mint); }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  color:var(--soft-text);
  font-size:0.9rem;
  line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }
.mt-sm { margin-top:12px; }
.mb-sm { margin-bottom:12px; }

/* 装饰分割线 */
.divider-dots {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:20px 0;
}
.divider-dots span {
  width:8px; height:8px;
  border-radius:50%;
  background:var(--coral-glow);
  opacity:0.5;
}
.divider-dots span:nth-child(2) { width:12px; height:12px; opacity:0.8; background:var(--coral); }
.divider-dots span:nth-child(3) { width:8px; height:8px; opacity:0.5; }

/* 脉冲动画点 */
@keyframes pulse {
  0%,100% { transform:scale(1); opacity:0.6; }
  50% { transform:scale(1.6); opacity:1; }
}
.pulse-dot {
  display:inline-block;
  width:10px; height:10px;
  border-radius:50%;
  background:var(--mint);
  animation:pulse 2s ease-in-out infinite;
}

/* 浅色标签 */
.tag {
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 12px;
  border-radius:14px;
  font-size:0.78rem;
  font-weight:600;
  background:rgba(255,94,87,0.07);
  color:var(--coral);
  letter-spacing:0.5px;
}
.tag.mint { background:rgba(0,184,148,0.07); color:var(--mint); }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .hero .container { gap:32px; }
  .hero h1 { font-size:2.6rem; }
  .hero-visual .float-badge { display:none; }
}

@media (max-width: 768px) {
  .hero { min-height:auto; padding-top:88px; padding-bottom:40px; }
  .hero .container { grid-template-columns:1fr; text-align:center; }
  .hero-content { max-width:100%; }
  .hero p { max-width:100%; margin-left:auto; margin-right:auto; }
  .hero-buttons { justify-content:center; }
  .hero-visual { order:-1; }
  .hero-image { max-width:360px; margin:0 auto; aspect-ratio:16/10; }
  
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image { max-width:400px; margin:0 auto; }
  .feature-text { text-align:center; }
  .feature-list { display:inline-block; text-align:left; }
  
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:14px; }
  .stat-number { font-size:2rem; }
  
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .footer-brand { grid-column:1/-1; text-align:center; }
  
  .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(253,250,245,0.98);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    padding:24px; 
    border-bottom:1px solid var(--border-soft);
    box-shadow:var(--shadow-md);
    gap:16px;
    align-items:center;
  }
  .main-nav.open a { font-size:1rem; }
  .section-title { font-size:1.8rem; }
  
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size:2rem; }
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; align-items:center; }
  .btn { width:100%; justify-content:center; }
  .section { padding:48px 0; }
  .section-title { font-size:1.5rem; }
  .hero-image { max-width:100%; }
  .stats-bar { gap:10px; }
  .stat-item { padding:20px 14px; }
  .stat-number { font-size:1.8rem; }
  .cta-banner { border-radius:var(--radius-lg); padding:36px 16px; }
}