/* ===========================
   Fun88体育网址 — 暖阳活力风格
   珊瑚 × 暖橙 × 奶油白
   =========================== */
:root {
  --coral: #FF5C4A;
  --coral-dark: #E8503D;
  --coral-light: #FFE8E4;
  --coral-pale: #FFF2EF;
  --warm-orange: #FF8C42;
  --peach: #FFF0E8;
  --cream: #FFFAF7;
  --cream-alt: #FFF6F0;
  --text-warm: #3D2C2A;
  --text-soft: #8B6F6A;
  --text-muted: #B09A95;
  --border-warm: #F0E0D6;
  --border-light: #F5EAE4;
  --white: #FFFFFF;
  --shadow-warm: 0 4px 20px rgba(255, 92, 74, 0.10);
  --shadow-lg: 0 8px 32px rgba(255, 92, 74, 0.12);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 50px;
  --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', 'Noto Sans SC', sans-serif;
  overflow-x:hidden;
  background: var(--cream);
  color: var(--text-warm);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection { background: var(--coral); color: #fff; }

/* ========== 核心布局 ========== */
.container { max-width:1200px; margin:0 auto; padding:0 28px; }
.section { padding:88px 0; position: relative; }
.section:nth-child(even) { background: var(--cream-alt); }

/* ========== 导航 ========== */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(255,250,247,0.94); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-light);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 16px 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 28px;
}
.logo { display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.25rem; text-decoration:none; color:var(--text-warm); letter-spacing:-0.01em; }
.logo-icon {
  width:38px; height:38px; border-radius:10px;
  background: linear-gradient(135deg, var(--coral), var(--warm-orange));
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
  color:#fff; font-weight:800; box-shadow: 0 2px 8px rgba(255,92,74,0.25);
}
.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: var(--text-warm); transition: var(--transition);
  position: relative; padding: 4px 0;
}
.main-nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--coral); border-radius: 1px; transition: width 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-full); color:#fff!important;
  font-weight:600; background: var(--coral);
  box-shadow: 0 3px 12px rgba(255,92,74,0.25);
  transition: var(--transition);
}
.nav-cta:hover { background: var(--coral-dark); box-shadow: 0 5px 18px rgba(255,92,74,0.35); transform: translateY(-1px); }
.nav-cta::after { display:none; }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; width:36px; height:36px; flex-direction:column; justify-content:center; align-items:center; gap:5px; padding:0; border-radius:6px; transition:var(--transition); }
.menu-toggle span { display:block; width:22px; height:2px; background:var(--text-warm); border-radius:2px; transition:var(--transition); }
.menu-toggle:hover { background:var(--coral-pale); }
.menu-toggle:focus-visible { outline:2px solid var(--coral); outline-offset:2px; }

/* ========== Hero ========== */
.hero {
  min-height:75vh; display:flex; align-items:center;
  background: radial-gradient(ellipse at 50% 40%, #FFFCFA 0%, #FFF7F2 40%, var(--cream) 100%);
  padding-top: 40px;
}
.hero .container { display:flex; align-items:center; gap:48px; width:100%; }
.hero-content { flex:1; max-width:680px; }
.hero-eyebrow {
  display:inline-block; font-size:0.82rem; font-weight:600;
  padding:5px 16px; border-radius:var(--radius-full);
  margin-bottom:18px; letter-spacing:0.04em;
  background: var(--coral-pale); color: var(--coral);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height:1.15;
  margin-bottom:20px; font-weight:800; letter-spacing:-0.02em;
  color: var(--text-warm);
}
.hero h1 .highlight { color: var(--coral); position:relative; display:inline-block; }
.hero h1 .highlight::after {
  content:''; position:absolute; bottom:4px; left:0; width:100%; height:8px;
  background: var(--coral-light); border-radius:4px; z-index:-1; opacity:0.7;
}
.hero p { font-size:1.12rem; opacity:0.75; max-width:520px; margin-bottom:34px; color: var(--text-soft); line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { flex:1; max-width:480px; border-radius:var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-lg); aspect-ratio:4/3; background: linear-gradient(135deg, #FFF5F0, #FFE8DF); }
.hero-image img { width:100%; height:100%; object-fit:cover; display:block; }

/* ========== 按钮 ========== */
.btn {
  display:inline-flex; align-items:center; gap:8px; padding:13px 30px;
  border-radius:var(--radius-full); font-weight:600; cursor:pointer; border:none;
  text-decoration:none; transition: var(--transition); font-size:0.95rem;
  letter-spacing:0.01em; position:relative; overflow:hidden;
}
.btn:active { transform:scale(0.97); }
.btn-primary {
  color:#fff; background: var(--coral);
  box-shadow: 0 4px 14px rgba(255,92,74,0.3);
}
.btn-primary:hover { background: var(--coral-dark); box-shadow: 0 6px 20px rgba(255,92,74,0.4); transform:translateY(-2px); }
.btn-outline {
  background:transparent; border:2px solid var(--coral);
  color: var(--coral);
}
.btn-outline:hover { background:var(--coral); color:#fff; border-color:var(--coral); transform:translateY(-2px); box-shadow: 0 4px 14px rgba(255,92,74,0.25); }

/* ========== 标签/标题 ========== */
.section-label {
  display:inline-block; font-size:0.78rem; font-weight:700;
  letter-spacing:3px; margin-bottom:10px; text-transform:uppercase;
  color: var(--coral);
}
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom:14px;
  font-weight:800; letter-spacing:-0.02em; color: var(--text-warm); line-height:1.2;
}
.section-desc { max-width:620px; opacity:0.7; margin-bottom:44px; color: var(--text-soft); 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:1px solid var(--border-warm); transition: var(--transition);
  background: var(--white); position:relative; overflow:hidden;
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:100%; height:3px;
  background: linear-gradient(90deg, var(--coral), var(--warm-orange));
  transform:scaleX(0); transform-origin:left; transition:transform var(--transition);
}
.category-card:hover::before { transform:scaleX(1); }
.category-card:hover { transform:translateY(-4px); box-shadow: var(--shadow-lg); 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: var(--coral-pale); color: var(--coral);
}
.category-card h3 { font-size:1.1rem; margin-bottom:8px; font-weight:700; color:var(--text-warm); }
.category-card p { font-size:0.9rem; color:var(--text-soft); margin-bottom:14px; line-height:1.6; }
.card-link { font-weight:700; 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-dark); }
.card-link::after { content:'→'; transition: var(--transition); }

/* ========== 特性块 ========== */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-lg); aspect-ratio:4/3; }
.feature-image img { width:100%; height:100%; object-fit:cover; display:block; }
.feature-text h3 { font-size:1.5rem; margin-bottom:12px; font-weight:700; color:var(--text-warm); }
.feature-text p { color:var(--text-soft); margin-bottom:18px; line-height:1.7; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:var(--text-warm); font-weight:500; }
.feature-list li::before {
  content:'✓'; font-weight:700; color:var(--coral);
  width:22px; height:22px; border-radius:50%;
  background:var(--coral-pale); display:inline-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:30px 20px; border-radius:var(--radius-lg);
  border:1px solid var(--border-warm); background:var(--white);
  transition: var(--transition);
}
.stat-item:hover { box-shadow: var(--shadow-warm); transform:translateY(-2px); }
.stat-number { font-size:2.6rem; font-weight:800; color:var(--coral); letter-spacing:-0.02em; line-height:1; }
.stat-label { font-size:0.88rem; opacity:0.65; margin-top:8px; color:var(--text-soft); 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:1px solid var(--border-warm); 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; display:block; }
.content-wall-body { padding:22px 20px; }
.content-wall-body .tag {
  display:inline-block; font-size:0.75rem; font-weight:600;
  color:var(--coral); background:var(--coral-pale);
  padding:3px 10px; border-radius:var(--radius-full); margin-bottom:8px;
}
.content-wall-body h3 { font-size:1.05rem; font-weight:700; margin-bottom:6px; color:var(--text-warm); line-height:1.4; }
.content-wall-body p { font-size:0.88rem; color:var(--text-soft); line-height:1.5; }

/* ========== FAQ ========== */
.faq-list { max-width:820px; margin:0 auto; }
.faq-item {
  border:1px solid var(--border-warm); border-radius:var(--radius);
  margin-bottom:10px; overflow:hidden; cursor:pointer;
  background:var(--white); transition: var(--transition);
}
.faq-item:hover { border-color:var(--coral-light); }
.faq-item .faq-question {
  padding:18px 22px; font-weight:600; display:flex;
  justify-content:space-between; align-items:center;
  color:var(--text-warm); font-size:1rem; user-select:none;
}
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; font-weight:300; color:var(--coral); transition:var(--transition); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.75; color:var(--text-soft); line-height:1.7; }
.faq-item.open { border-color:var(--coral-light); background:var(--coral-pale); }
.faq-item.open .faq-answer { display:block; }
.faq-item.open .faq-question::after { content:'−'; transform:rotate(180deg); }

/* ========== CTA横幅 ========== */
.cta-banner {
  padding:60px 32px; text-align:center; border-radius:var(--radius-xl);
  color:#fff; background: linear-gradient(135deg, var(--coral), #FF7B5C 40%, var(--warm-orange) 100%);
  position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; top:-60px; right:-60px;
  width:180px; height:180px; border-radius:50%;
  background:rgba(255,255,255,0.08); pointer-events:none;
}
.cta-banner::after {
  content:''; position:absolute; bottom:-40px; left:-40px;
  width:120px; height:120px; border-radius:50%;
  background:rgba(255,255,255,0.06); pointer-events:none;
}
.cta-banner h2 { color:#fff; font-size:clamp(1.6rem,3vw,2.2rem); margin-bottom:12px; font-weight:800; position:relative; z-index:1; }
.cta-banner p { opacity:0.9; margin-bottom:28px; font-size:1.05rem; position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:var(--coral); box-shadow:0 4px 16px rgba(0,0,0,0.12); position:relative; z-index:1; font-weight:700; }
.cta-banner .btn-primary:hover { background:#fff; color:var(--coral-dark); box-shadow:0 6px 24px rgba(0,0,0,0.18); transform:translateY(-2px); }

/* ========== 页脚 ========== */
.site-footer { padding:60px 0 24px; background:var(--cream-alt); border-top:1px solid var(--border-light); }
.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(--text-soft); font-size:0.9rem; line-height:1.7; max-width:280px; }
.footer-col h4 { font-size:0.9rem; font-weight:700; margin-bottom:14px; color:var(--text-warm); letter-spacing:0.02em; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { text-decoration:none; color:var(--text-soft); font-size:0.88rem; transition:var(--transition); }
.footer-col ul li a:hover { color:var(--coral); padding-left:4px; }
.footer-bottom { border-top:1px solid var(--border-light); margin-top:44px; padding-top:20px; text-align:center; font-size:0.82rem; color:var(--text-muted); }

/* ========== 工具类 ========== */
.text-accent { color: var(--coral); }
.text-center { text-align:center; }
.seo-description { max-width:620px; margin:0 auto 48px; opacity:0.7; color:var(--text-soft); 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 { flex-direction:column; text-align:center; }
  .hero-content { max-width:100%; }
  .hero p { margin:0 auto 34px; }
  .hero-buttons { justify-content:center; }
  .hero-image { max-width:360px; width:100%; margin:0 auto; }
  .feature-block { gap:36px; }
}
@media (max-width: 768px) {
  .container { padding:0 20px; }
  .header-inner { padding:0 20px; }
  .section { padding:60px 0; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image { order:-1; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:14px; }
  .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:68px; left:0; width:100%; background:rgba(255,250,247,0.98);
    padding:20px 20px 28px; gap:4px;
    backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-light);
    box-shadow: 0 8px 24px rgba(61,44,42,0.06);
  }
  .main-nav.open a { padding:12px 16px; border-radius:var(--radius-sm); font-size:1rem; }
  .main-nav.open a:hover { background:var(--coral-pale); }
  .main-nav.open a::after { display:none; }
  .nav-cta { text-align:center; justify-content:center; margin-top:8px; }
  .hero { min-height:60vh; padding-top:24px; }
  .hero h1 { font-size:2rem; }
  .cta-banner { padding:44px 20px; border-radius:var(--radius-lg); }
}
@media (max-width: 480px) {
  .container { padding:0 14px; }
  .header-inner { padding:0 14px; height:60px; }
  .main-nav.open { top:60px; }
  .section { padding:48px 0; }
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .hero-buttons { flex-direction:column; align-items:stretch; }
  .hero-buttons .btn { justify-content:center; }
  .hero h1 { font-size:1.7rem; }
  .hero p { font-size:1rem; }
  .section-title { font-size:1.5rem; }
  .stats-bar { gap:10px; }
  .stat-item { padding:22px 16px; }
  .stat-number { font-size:2rem; }
  .category-card { padding:22px 18px; }
  .feature-block { gap:24px; }
  .hero-image { max-width:100%; }
  .cta-banner { padding:36px 16px; }
  .logo { font-size:1.1rem; }
  .logo-icon { width:32px; height:32px; border-radius:8px; font-size:0.95rem; }
}