*, *::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:#fef9f0; color:#2d3436; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#fef5e7; }

/* 导航 — 珊瑚海岸风格 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(254,249,240,0.92); backdrop-filter:blur(12px); border-bottom:2px solid #ffb8b0; }
.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:1.3rem; text-decoration:none; color:#c44569; letter-spacing:1px; }
.logo-icon { width:38px; height:38px; border-radius:50%; background:linear-gradient(135deg,#f78fb0,#f3a683); display:flex; align-items:center; justify-content:center; font-size:1.1rem; color:#fff; box-shadow:0 4px 12px rgba(247,143,176,0.3); }
.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:#636e72; transition:0.2s; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#f78fb0; transition:0.3s; }
.main-nav a:hover { color:#c44569; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:8px 22px; border-radius:50px; background:linear-gradient(135deg,#f78fb0,#f3a683); color:#fff!important; font-weight:600; box-shadow:0 4px 14px rgba(247,143,176,0.3); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; font-size:1.4rem; color:#c44569; cursor:pointer; }

/* 首页Hero — 波浪岛屿 */
.hero { min-height:70vh; display:flex; align-items:center; background:linear-gradient(135deg,#fef9f0 0%,#fce4d6 50%,#fef0e0 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; bottom:0; left:0; width:100%; height:40%; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23f3a683' fill-opacity='0.15' d='M0,256L48,240C96,224,192,192,288,181.3C384,171,480,181,576,197.3C672,213,768,235,864,229.3C960,224,1056,192,1152,176C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'/%3E%3C/svg%3E") no-repeat bottom; background-size:cover; pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:700; padding:6px 18px; border-radius:50px; background:#f78fb0; color:#fff; margin-bottom:18px; letter-spacing:1.5px; text-transform:uppercase; }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:20px; color:#2d3436; font-weight:800; letter-spacing:-0.5px; }
.hero h1 span { color:#c44569; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; line-height:1.7; color:#636e72; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(195,69,105,0.15); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 30px; border-radius:50px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; }
.btn-primary { background:linear-gradient(135deg,#f78fb0,#f3a683); color:#fff; box-shadow:0 6px 20px rgba(247,143,176,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(247,143,176,0.45); }
.btn-outline { background:transparent; border:2px solid #f78fb0; color:#c44569; }
.btn-outline:hover { background:#f78fb0; color:#fff; }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:700; letter-spacing:3px; margin-bottom:12px; color:#f78fb0; text-transform:uppercase; }
.section-title { font-size:2.2rem; margin-bottom:14px; color:#2d3436; font-weight:800; letter-spacing:-0.3px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#636e72; line-height:1.7; }

/* 卡片网格 — 珊瑚卡片 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:20px; padding:32px 28px; background:#fff; border:2px solid #fce4d6; transition:0.3s; }
.category-card:hover { transform:translateY(-5px); box-shadow:0 12px 40px rgba(243,166,131,0.2); border-color:#f3a683; }
.card-icon { width:52px; height:52px; border-radius:16px; background:linear-gradient(135deg,#f78fb0,#f3a683); display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; color:#fff; box-shadow:0 4px 12px rgba(247,143,176,0.25); }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#c44569; 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 16px 48px rgba(243,166,131,0.15); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#636e72; }
.feature-list li::before { content:'✓'; font-weight:700; color:#f78fb0; font-size:1.1rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:20px; background:#fff; border:2px solid #fce4d6; transition:0.3s; }
.stat-item:hover { border-color:#f3a683; box-shadow:0 8px 24px rgba(243,166,131,0.15); }
.stat-number { font-size:2.4rem; font-weight:800; color:#c44569; line-height:1; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#636e72; }

/* 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; background:#fff; border:2px solid #fce4d6; transition:0.3s; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(243,166,131,0.2); border-color:#f3a683; }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:22px; }
.content-wall-body h4 { color:#2d3436; margin-bottom:8px; }
.content-wall-body p { color:#636e72; font-size:0.9rem; line-height:1.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:2px solid #fce4d6; border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.2s; }
.faq-item:hover { border-color:#f3a683; }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; color:#2d3436; align-items:center; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#f78fb0; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#636e72; line-height:1.7; }
.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,#f78fb0,#f3a683); color:#fff; box-shadow:0 20px 60px rgba(247,143,176,0.3); }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:24px; }
.cta-banner .btn-primary { background:#fff; color:#c44569; box-shadow:0 6px 20px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { background:#fef9f0; }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#2d3436; color:rgba(255,255,255,0.8); }
.site-footer a { color:rgba(255,255,255,0.7); text-decoration:none; transition:0.2s; }
.site-footer a:hover { color:#f78fb0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color:#fff; }
.footer-col h4 { color:#fff; margin-bottom:16px; font-size:0.95rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { padding:4px 0; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color:rgba(255,255,255,0.5); }

/* 工具类 */
.text-accent { color:#c44569; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#636e72; 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; }
  .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:44px; height:44px; border-radius:12px; background:#fce4d6; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fef9f0; padding:24px; border-bottom:2px solid #ffb8b0; gap:16px; }
  .hero h1 { font-size:2.2rem; }
}
@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; }
}