/* 皇冠国际 - 领航全球平台 */
/* 风格：清新柔光 · 微立体 · 柔和渐变 · 浅色系 */

*, *::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:#f5f7fb; color:#1a2a3a; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#f0f3fa; }

/* 导航 — 柔白半透明 + 微阴影 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(245,247,251,0.88); backdrop-filter:blur(16px); border-bottom:1px solid rgba(180,200,230,0.3); box-shadow:0 2px 20px rgba(100,120,180,0.05); }
.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:#1a2a3a; letter-spacing:1px; }
.logo-icon { width:38px; height:38px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; background:linear-gradient(135deg, #6c8cff, #a78bfa); color:#fff; box-shadow:0 4px 12px rgba(108,140,255,0.3); }
.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:#3a4a5a; transition:0.2s; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:linear-gradient(90deg, #6c8cff, #a78bfa); transition:0.3s; border-radius:2px; }
.main-nav a:hover { color:#6c8cff; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 24px; border-radius:30px; color:#fff!important; font-weight:600; background:linear-gradient(135deg, #6c8cff, #a78bfa); box-shadow:0 4px 14px rgba(108,140,255,0.3); border:none; }
.nav-cta::after { display:none!important; }
.nav-cta:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(108,140,255,0.4); }
.menu-toggle { display:none; }

/* 首页Hero — 双圆角 + 柔和光晕 */
.hero { min-height:70vh; display:flex; align-items:center; position:relative; background:linear-gradient(160deg, #f0f4ff 0%, #e8edf8 100%); border-radius:0 0 60px 60px; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-40%; right:-20%; width:600px; height:600px; background:radial-gradient(circle, rgba(108,140,255,0.08), transparent 70%); border-radius:50%; pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:6px 18px; border-radius:30px; margin-bottom:16px; background:rgba(108,140,255,0.12); color:#6c8cff; letter-spacing:1px; backdrop-filter:blur(4px); }
.hero h1 { font-size:2.8rem; line-height:1.2; margin-bottom:20px; font-weight:800; color:#1a2a3a; letter-spacing:-0.5px; }
.hero h1 span { background:linear-gradient(135deg, #6c8cff, #a78bfa); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.65; max-width:560px; margin-bottom:32px; color:#3a4a5a; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:24px; overflow:hidden; box-shadow:0 20px 60px rgba(100,120,180,0.15); background:#fff; padding:8px; }
.hero-image img { width:100%; height:auto; border-radius:18px; display:block; }

/* 按钮 — 柔和圆润 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 32px; border-radius:40px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.9rem; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #6c8cff, #a78bfa); box-shadow:0 4px 16px rgba(108,140,255,0.25); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(108,140,255,0.35); }
.btn-outline { background:transparent; border:1.5px solid #bcc8e0; color:#3a4a5a; }
.btn-outline:hover { border-color:#6c8cff; color:#6c8cff; background:rgba(108,140,255,0.04); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:700; letter-spacing:3px; margin-bottom:12px; color:#a78bfa; text-transform:uppercase; }
.section-title { font-size:2rem; margin-bottom:14px; font-weight:700; color:#1a2a3a; letter-spacing:-0.3px; }
.section-desc { max-width:600px; opacity:0.6; margin-bottom:40px; color:#4a5a6a; line-height:1.7; }

/* 卡片网格 — 微立体 + 柔影 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { border-radius:20px; padding:32px; background:#fff; border:1px solid rgba(200,215,235,0.4); transition:0.3s; box-shadow:0 2px 12px rgba(100,120,180,0.04); }
.category-card:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(100,120,180,0.12); border-color:rgba(108,140,255,0.2); }
.card-icon { width:52px; height:52px; border-radius:16px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:linear-gradient(135deg, #eef2ff, #e0e7ff); color:#6c8cff; }
.card-link { font-weight:600; font-size:0.8rem; text-decoration:none; color:#6c8cff; display:inline-flex; align-items:center; gap:4px; }
.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:56px; align-items:center; }
.feature-image { border-radius:24px; overflow:hidden; box-shadow:0 12px 40px rgba(100,120,180,0.1); background:#fff; padding:6px; }
.feature-image img { width:100%; height:auto; border-radius:18px; display:block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#3a4a5a; font-weight:500; }
.feature-list li::before { content:'✦'; font-weight:700; color:#a78bfa; font-size:1.1rem; }

/* 数据条 — 柔和卡片 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:28px 16px; border-radius:20px; background:#fff; border:1px solid rgba(200,215,235,0.3); box-shadow:0 2px 12px rgba(100,120,180,0.03); }
.stat-number { font-size:2.4rem; font-weight:800; background:linear-gradient(135deg, #6c8cff, #a78bfa); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:0.85rem; opacity:0.55; margin-top:6px; color:#4a5a6a; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { border-radius:20px; overflow:hidden; background:#fff; border:1px solid rgba(200,215,235,0.3); transition:0.3s; box-shadow:0 2px 12px rgba(100,120,180,0.03); }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(100,120,180,0.12); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px 24px 24px; }
.content-wall-body h4 { font-weight:700; margin-bottom:6px; color:#1a2a3a; }
.content-wall-body p { opacity:0.6; font-size:0.9rem; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(200,215,235,0.4); border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.2s; }
.faq-item:hover { border-color:rgba(108,140,255,0.2); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; color:#1a2a3a; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#a78bfa; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.65; line-height:1.7; color:#3a4a5a; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { padding:64px 24px; text-align:center; border-radius:40px; background:linear-gradient(135deg, #6c8cff, #a78bfa); color:#fff; box-shadow:0 20px 60px rgba(108,140,255,0.25); margin:40px 0; }
.cta-banner h2 { color:#fff; font-size:2.2rem; margin-bottom:16px; }
.cta-banner p { color:rgba(255,255,255,0.8); margin-bottom:28px; }
.cta-banner .btn-primary { background:#fff; color:#6c8cff; box-shadow:0 4px 20px rgba(0,0,0,0.1); }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:#eef2f8; border-radius:40px 40px 0 0; margin-top:40px; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { opacity:0.6; font-size:0.9rem; max-width:280px; }
.footer-col { }
.footer-col h5 { font-weight:700; margin-bottom:14px; color:#1a2a3a; font-size:0.95rem; }
.footer-col a { display:block; text-decoration:none; color:#4a5a6a; font-size:0.9rem; padding:4px 0; opacity:0.7; transition:0.2s; }
.footer-col a:hover { opacity:1; color:#6c8cff; }
.footer-bottom { border-top:1px solid rgba(150,170,200,0.25); margin-top:40px; padding-top:24px; text-align:center; font-size:0.85rem; color:#5a6a7a; }

/* 工具类 */
.text-accent { color:#6c8cff; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; color:#4a5a6a; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; background:none; border:none; font-size:1.5rem; color:#1a2a3a; cursor:pointer; padding:8px; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:rgba(245,247,251,0.98); padding:24px; gap:16px; border-bottom:1px solid rgba(200,215,235,0.3); }
  .hero h1 { font-size:2rem; }
  .hero { min-height:60vh; border-radius:0 0 40px 40px; }
}
@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; }
  .stat-number { font-size:2rem; }
}