@charset "UTF-8";

/* 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:#f7fbfd; color:#1a3a4b; }

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#eef4f8; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(247,251,253,0.92); backdrop-filter:blur(12px); border-bottom:1px solid rgba(153,189,205,0.3); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; max-width:1200px; margin:0 auto; padding:0 24px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.35rem; text-decoration:none; color:#1a3a4b; letter-spacing:-0.5px; }
.logo-icon { width:40px; height:40px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; background:linear-gradient(135deg,#c66a8a,#8f5b9e); color:#fff; box-shadow:0 4px 12px rgba(140,80,150,0.3); }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.95rem; font-weight:500; color:#4a6a7a; transition:all 0.25s; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; border-radius:2px; background:linear-gradient(90deg,#c66a8a,#8f5b9e); transition:width 0.3s; }
.main-nav a:hover { color:#1a3a4b; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:9px 22px; border-radius:50px; color:#fff!important; font-weight:600; background:linear-gradient(135deg,#c66a8a,#8f5b9e); box-shadow:0 4px 14px rgba(140,80,150,0.3); }
.nav-cta::after { display:none; }
.menu-toggle { display:none; }

/* 首页Hero */
.hero { min-height:calc(100vh - 72px); display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; width:500px; height:500px; border-radius:50%; background:radial-gradient(circle, rgba(198,106,138,0.12) 0%, transparent 70%); top:-100px; right:-50px; }
.hero::after { content:''; position:absolute; width:400px; height:400px; border-radius:50%; background:radial-gradient(circle, rgba(143,91,158,0.1) 0%, transparent 70%); bottom:-120px; left:10%; }
.hero .container { position:relative; z-index:2; }
.hero-content { max-width:760px; }
.hero-eyebrow { display:inline-block; font-size:0.85rem; font-weight:700; padding:6px 18px; border-radius:30px; margin-bottom:20px; background:linear-gradient(135deg, rgba(198,106,138,0.15), rgba(143,91,158,0.15)); color:#8f5b9e; letter-spacing:0.5px; border:1px solid rgba(143,91,158,0.2); }
.hero h1 { font-size:3.4rem; line-height:1.15; margin-bottom:24px; font-weight:800; letter-spacing:-1.5px; color:#1a3a4b; }
.hero h1 .text-accent { background:linear-gradient(135deg,#c66a8a,#8f5b9e); background-clip:text; -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.15rem; opacity:0.7; max-width:580px; margin-bottom:36px; line-height:1.8; }
.hero-buttons { display:flex; gap:14px; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:50px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:all 0.25s; font-size:0.95rem; }
.btn-primary { color:#fff; background:linear-gradient(135deg,#c66a8a,#8f5b9e); box-shadow:0 4px 16px rgba(140,80,150,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(140,80,150,0.4); }
.btn-outline { background:transparent; border:1.5px solid #c66a8a; color:#c66a8a; }
.btn-outline:hover { background:rgba(198,106,138,0.08); transform:translateY(-2px); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.8rem; font-weight:700; letter-spacing:4px; margin-bottom:12px; color:#8f5b9e; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:14px; font-weight:800; letter-spacing:-1px; color:#1a3a4b; line-height:1.3; }
.section-desc { max-width:640px; opacity:0.7; 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:20px; padding:32px 28px; border:1px solid rgba(153,189,205,0.35); background:rgba(255,255,255,0.85); backdrop-filter:blur(4px); transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94); position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:4px; background:linear-gradient(90deg,#c66a8a,#8f5b9e); transform:scaleX(0); transform-origin:left; transition:transform 0.4s; }
.category-card:hover { transform:translateY(-6px); box-shadow:0 12px 32px rgba(140,120,170,0.15); border-color:rgba(143,91,158,0.3); }
.category-card:hover::before { transform:scaleX(1); }
.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, rgba(198,106,138,0.15), rgba(143,91,158,0.15)); }
.card-link { font-weight:700; font-size:0.9rem; text-decoration:none; color:#8f5b9e; display:inline-flex; align-items:center; gap:6px; margin-top:8px; }
.card-link:hover { color:#c66a8a; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:24px; overflow:hidden; box-shadow:0 20px 50px rgba(100,130,150,0.15); position:relative; }
.feature-image::after { content:''; position:absolute; inset:0; background:linear-gradient(135deg, rgba(198,106,138,0.1), transparent); border-radius:24px; }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { position:relative; z-index:2; }
.feature-text .section-label { margin-bottom:8px; }
.feature-text .section-title { font-size:2rem; margin-bottom:18px; }
.feature-text p { opacity:0.7; line-height:1.8; margin-bottom:24px; }
.feature-list { list-style:none; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-weight:500; color:#2a4a5a; font-size:1rem; }
.feature-list li::before { content:'✓'; font-weight:800; width:22px; height:22px; border-radius:50%; background:linear-gradient(135deg, rgba(198,106,138,0.2), rgba(143,91,158,0.2)); color:#8f5b9e; display:flex; align-items:center; justify-content:center; font-size:0.8rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
.stat-item { padding:36px 24px; border-radius:20px; border:1px solid rgba(153,189,205,0.35); background:rgba(255,255,255,0.9); box-shadow:0 4px 20px rgba(100,150,170,0.08); transition:all 0.3s; }
.stat-item:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(100,150,170,0.15); }
.stat-number { font-size:2.7rem; font-weight:800; background:linear-gradient(135deg,#c66a8a,#8f5b9e); background-clip:text; -webkit-background-clip:text; -webkit-text-fill-color:transparent; letter-spacing:-1px; }
.stat-label { font-size:0.95rem; opacity:0.6; margin-top:8px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:20px; overflow:hidden; border:1px solid rgba(153,189,205,0.35); background:rgba(255,255,255,0.9); transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94); }
.content-wall-item:hover { transform:translateY(-6px); box-shadow:0 16px 40px rgba(100,150,170,0.18); border-color:rgba(198,106,138,0.3); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; transition:transform 0.4s; }
.content-wall-item:hover img { transform:scale(1.05); }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.2rem; margin-bottom:8px; color:#1a3a4b; }
.content-wall-body p { opacity:0.65; font-size:0.9rem; line-height:1.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(153,189,205,0.4); border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:rgba(255,255,255,0.9); transition:all 0.25s; }
.faq-item:hover { border-color:rgba(143,91,158,0.5); }
.faq-item .faq-question { padding:20px 24px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#1a3a4b; font-size:1.05rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.4rem; color:#c66a8a; transition:transform 0.3s; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.75; line-height:1.8; }
.faq-item.open .faq-answer { display:block; animation:faqIn 0.3s ease; }
@keyframes faqIn { from { opacity:0; transform:translateY(-6px); } to { opacity:0.75; transform:translateY(0); } }

/* CTA横幅 */
.cta-banner { padding:64px 24px; text-align:center; border-radius:24px; color:#fff; background:linear-gradient(135deg,#c66a8a,#8f5b9e); box-shadow:0 20px 50px rgba(140,80,150,0.3); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.1); top:-50px; right:-30px; }
.cta-banner::after { content:''; position:absolute; width:150px; height:150px; border-radius:50%; background:rgba(255,255,255,0.08); bottom:-40px; left:-20px; }
.cta-banner h2 { color:#fff; font-size:2.2rem; margin-bottom:16px; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.9); max-width:560px; margin:0 auto 28px; font-size:1.05rem; line-height:1.7; position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:#8f5b9e; box-shadow:0 4px 16px rgba(0,0,0,0.1); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { box-shadow:0 8px 24px rgba(0,0,0,0.15); }

/* 页脚 */
.site-footer { background:#1a3a4b; color:rgba(255,255,255,0.9); padding:64px 0 28px; position:relative; }
.site-footer .container { position:relative; z-index:1; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { color:#fff; margin-bottom:14px; }
.footer-brand .logo-icon { background:linear-gradient(135deg,#c66a8a,#8f5b9e); }
.footer-brand p { opacity:0.7; font-size:0.9rem; line-height:1.7; max-width:320px; }
.footer-col h4 { color:#fff; margin-bottom:18px; font-size:1rem; }
.footer-col a { display:block; color:rgba(255,255,255,0.7); text-decoration:none; font-size:0.9rem; padding:4px 0; transition:color 0.2s; }
.footer-col a:hover { color:#c66a8a; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.15); margin-top:48px; padding-top:20px; text-align:center; font-size:0.85rem; color:rgba(255,255,255,0.5); }

/* 工具类 */
.text-accent { color:#c66a8a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; line-height:1.8; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 添加装饰元素 */
.hero-image { border-radius:24px; overflow:hidden; box-shadow:0 20px 60px rgba(100,150,170,0.2); position:relative; background:linear-gradient(135deg,#dbe9f0,#e8d4e0); min-height:360px; display:flex; align-items:center; justify-content:center; }
.hero-image img { width:100%; height:auto; }

/* 背景装饰圆 */
.section-relative { position:relative; }
.orb { position:absolute; border-radius:50%; filter:blur(80px); opacity:0.4; pointer-events:none; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.3rem; }
  .section-title { font-size:2rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { display:none; position:absolute; top:72px; left:0; width:100%; background:rgba(247,251,253,0.98); padding:24px; flex-direction:column; align-items:flex-start; border-bottom:1px solid rgba(153,189,205,0.3); }
  .main-nav a { font-size:1.1rem; padding:10px 0; }
  .menu-toggle { display:flex; background:none; border:none; cursor:pointer; font-size:1.4rem; color:#1a3a4b; }
  .main-nav.open { display:flex; }
  .cta-banner h2 { font-size:1.6rem; }
}
@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:1.9rem; }
  .stat-number { font-size:2rem; }
}