/* 一号娱乐 - 独特视觉风格 */
/* 采用珊瑚橙 + 蓝绿 + 米白的马卡龙配色，柔和且富有生机 */
/* 使用大字号、粗字重，搭配微妙的圆角和阴影 */
/* 背景以米白为主，局部使用淡色渐变，避免任何黑色 */

*, *::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: #FEFCF3; /* 米白基底 */
  color: #2D3436;
}

/* 主色调变量（可直接在属性中使用） */
:root {
  --brand: #F4A261;
  --brand-light: #FAD7A1;
  --brand-dark: #E76F51;
  --accent: #2A9D8F;
  --accent-light: #95E1D3;
  --bg-card: #FFFFFF;
  --text-muted: #636e72;
}

/* 容器和分区 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section:nth-child(even) { background: #FDF8F0; } /* 淡橙米色 */

/* 固定导航 */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--brand-light);
  box-shadow: 0 2px 12px rgba(244,162,97,0.08);
}
.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: 8px;
  font-weight: 800; font-size: 1.4rem; text-decoration: none; color: var(--brand-dark);
  letter-spacing: 1px;
}
.logo-icon {
  width: 38px; height: 38px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
}
.main-nav {
  display: flex; align-items: center; gap: 28px; list-style: none;
}
.main-nav a {
  text-decoration: none; font-size: 0.95rem; font-weight: 600;
  padding: 6px 0; position: relative;
  color: #555; transition: 0.2s;
}
.main-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--brand); transition: 0.3s;
}
.main-nav a:hover { color: var(--brand-dark); }
.main-nav a:hover::after { width: 100%; }
.main-nav a:active { color: var(--brand); }
.nav-cta {
  padding: 10px 24px; border-radius: 30px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff !important; font-weight: 700;
  box-shadow: 0 4px 12px rgba(244,162,97,0.3);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(244,162,97,0.4); }
.menu-toggle { display: none; }

/* Hero 区域 */
.hero {
  min-height: 75vh; display: flex; align-items: center;
  background: linear-gradient(135deg, #FEFCF3 20%, #FDE8D6 80%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '1'; position: absolute; right: -5%; top: -10%;
  font-size: 40rem; font-weight: 900; line-height: 1;
  color: rgba(244,162,97,0.05); pointer-events: none;
  transform: rotate(12deg);
}
.hero-content { max-width: 720px; }
.hero-eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  padding: 4px 16px; border-radius: 30px;
  background: var(--brand-light); color: var(--brand-dark); margin-bottom: 16px;
}
.hero h1 {
  font-size: 3.5rem; line-height: 1.15; margin-bottom: 20px;
  color: #2D3436; letter-spacing: -0.03em;
}
.hero p {
  font-size: 1.15rem; opacity: 0.7; max-width: 560px; margin-bottom: 32px;
  color: #555;
}
.hero-buttons { display: flex; gap: 14px; }
.hero-image { border-radius: 16px; overflow: hidden; box-shadow: 0 16px 40px rgba(244,162,97,0.12); }
.hero-image img { width: 100%; height: auto; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 40px; font-weight: 700; cursor: pointer;
  border: none; text-decoration: none; transition: 0.25s; font-size: 0.95rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; box-shadow: 0 4px 14px rgba(244,162,97,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(244,162,97,0.4); }
.btn-outline {
  background: transparent; border: 2px solid var(--brand);
  color: var(--brand-dark);
}
.btn-outline:hover { background: rgba(244,162,97,0.08); transform: translateY(-2px); }

/* 节标题 */
.section-label {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.section-title {
  font-size: 2.4rem; margin-bottom: 14px; font-weight: 800;
  color: #2D3436; letter-spacing: -0.02em;
}
.section-desc {
  max-width: 600px; opacity: 0.7; margin-bottom: 40px; color: #555;
  font-size: 1.05rem; line-height: 1.6;
}

/* 卡片网格 */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 28px;
}
.category-card {
  border-radius: 20px; padding: 32px; border: 1px solid #eaeaea;
  background: var(--bg-card); transition: 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.category-card:hover {
  transform: translateY(-6px); box-shadow: 0 12px 28px rgba(244,162,97,0.12);
  border-color: var(--brand-light);
}
.card-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.6rem;
  background: linear-gradient(135deg, var(--accent-light), #FFF);
  color: var(--accent);
}
.card-link {
  font-weight: 700; font-size: 0.85rem; text-decoration: none;
  color: var(--brand-dark); display: inline-flex; align-items: center; gap: 6px;
}
.card-link::after { content: '→'; transition: 0.2s; }
.card-link:hover::after { transform: translateX(4px); }

/* 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 12px 30px rgba(0,0,0,0.06); }
.feature-image img { width: 100%; height: auto; }
.feature-text h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; }
.feature-list { list-style: none; }
.feature-list li { padding: 8px 0; display: flex; align-items: center; gap: 10px; font-size: 1rem; }
.feature-list li::before {
  content: '✓'; font-weight: 700; color: var(--accent); background: var(--accent-light);
  width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
}

/* 数据条 */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center;
}
.stat-item {
  padding: 32px 20px; border-radius: 20px; border: 1px solid #eee;
  background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.02);
  transition: 0.3s;
}
.stat-item:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(244,162,97,0.08); }
.stat-number { font-size: 2.8rem; font-weight: 900; color: var(--brand-dark); line-height: 1; }
.stat-label { font-size: 0.9rem; opacity: 0.6; margin-top: 8px; color: #555; }

/* 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; border: 1px solid #eaeaea;
  background: #fff; transition: 0.3s;
}
.content-wall-item:hover {
  transform: translateY(-5px); box-shadow: 0 12px 28px rgba(244,162,97,0.1);
}
.content-wall-item img { width: 100%; height: 220px; object-fit: cover; }
.content-wall-body { padding: 24px; }
.content-wall-body h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.content-wall-body p { font-size: 0.9rem; color: #666; line-height: 1.5; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid #eaeaea; border-radius: 16px; margin-bottom: 10px;
  overflow: hidden; cursor: pointer; background: #fff;
  transition: 0.2s;
}
.faq-item:hover { border-color: var(--brand-light); }
.faq-item .faq-question {
  padding: 18px 22px; font-weight: 700; display: flex; justify-content: space-between;
  align-items: center; font-size: 1.05rem; color: #2D3436;
}
.faq-item .faq-question::after {
  content: '+'; font-size: 1.3rem; transition: 0.3s; color: var(--brand);
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-item .faq-answer {
  padding: 0 22px 20px; display: none; opacity: 0.7; line-height: 1.6; color: #555;
}
.faq-item.open .faq-answer { display: block; }

/* CTA 横幅 */
.cta-banner {
  padding: 64px 24px; text-align: center; border-radius: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
}
.cta-banner h2 { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,0.8); margin-bottom: 28px; }
.cta-banner .btn-primary { background: #fff; color: var(--accent); box-shadow: 0 4px 14px rgba(0,0,0,0.08); }

/* 页脚 */
.site-footer {
  padding: 56px 0 28px;
  background: #2A9D8F; /* 明亮蓝绿，非黑色 */
  color: #fff;
  margin-top: 80px;
}
.site-footer .container {}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.footer-brand p { opacity: 0.7; line-height: 1.6; font-size: 0.9rem; }
.footer-col h4 { font-weight: 700; margin-bottom: 16px; font-size: 0.95rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.9rem; transition: 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 40px; padding-top: 20px; text-align: center; font-size: 0.85rem; opacity: 0.7;
}

/* 工具类 */
.text-accent { color: var(--brand); }
.text-center { text-align: center; }
.seo-description { max-width: 600px; margin: 0 auto 48px; opacity: 0.7; color: #555; line-height: 1.6; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; cursor: pointer; }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: var(--brand-dark); position: relative; }
  .menu-toggle span::before, .menu-toggle span::after { content: ''; position: absolute; width: 100%; height: 2px; background: var(--brand-dark); left: 0; transition: 0.2s; }
  .menu-toggle span::before { top: -6px; }
  .menu-toggle span::after { top: 6px; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; width: 100%; background: #fff; padding: 24px; border-bottom: 2px solid var(--brand-light); }
  .main-nav.open a { padding: 12px 0; border-bottom: 1px solid #eee; }
  .hero h1 { font-size: 2.5rem; }
  .hero { min-height: 60vh; }
}
@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: 1.6rem; }
}