/* 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:#faf3e7; color:#2d2a26; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:100px 0; position:relative; }
.section:nth-child(even) { background:#f4eadf; }

/* 装饰性背景圆 — 每个section都会有一种微妙的半透明圆形状 */
.section::before { content:''; position:absolute; width:280px; height:280px; border-radius:50%; background:rgba(217,182,130,0.16); top:40px; right:-80px; pointer-events:none; z-index:0; }
.section:nth-child(even)::before { background:rgba(120,144,156,0.12); left:-100px; right:auto; top:auto; bottom:20px; }
.container { position:relative; z-index:1; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(250,243,231,0.88); backdrop-filter:blur(14px); border-bottom:1px solid rgba(120,144,156,0.25); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:76px; max-width:1200px; margin:0 auto; padding:0 24px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.3rem; text-decoration:none; color:#2d2a26; letter-spacing:1px; }
.logo-icon { width:38px; height:38px; border-radius:50% 50% 45% 55%; display:flex; align-items:center; justify-content:center; font-size:1.1rem; background:linear-gradient(145deg, #79a49b, #b5c9c1); color:#fff; box-shadow:0 2px 8px rgba(121,164,155,0.3); }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#3d3832; position:relative; transition:color 0.25s; letter-spacing:0.5px; }
.main-nav a::after { content:''; position:absolute; left:0; bottom:-5px; width:0; height:2px; background:#de8a5f; transition:width 0.25s ease; border-radius:2px; }
.main-nav a:hover { color:#de8a5f; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:8px 22px; border-radius:50px; color:#fff!important; font-weight:600; background:#de8a5f; box-shadow:0 2px 10px rgba(222,138,95,0.35); }
.nav-cta::after { display:none; }
.nav-cta:hover { background:#c97a4f; color:#fff; }

/* 菜单toggle按钮 */
.menu-toggle { display:none; width:40px; height:40px; border-radius:50%; border:none; background:#e8ddd0; color:#2d2a26; align-items:center; justify-content:center; cursor:pointer; font-size:1.1rem; }

/* 首页Hero */
.hero { min-height:76vh; display:flex; align-items:center; padding:120px 0 60px; background:#faf3e7; position:relative; overflow:hidden; }
.hero::after { content:'✦'; position:absolute; top:14%; right:12%; font-size:5rem; color:rgba(222,138,95,0.18); animation:float 4s ease-in-out infinite; }
.hero::before { content:'◌'; position:absolute; bottom:10%; right:30%; font-size:7rem; color:rgba(121,164,155,0.15); animation:float 5s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-18px); } }

.hero-content { max-width:720px; padding:24px 0; position:relative; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:6px 18px; border-radius:50px; margin-bottom:20px; background:#e4ded5; color:#6b5b4e; letter-spacing:1px; border:1px solid rgba(120,144,156,0.15); }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:20px; font-weight:800; color:#2d2a26; }
.hero h1 span { display:block; color:#de8a5f; font-weight:900; }
.hero p { font-size:1.1rem; color:#5d534a; max-width:560px; margin-bottom:36px; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:50% 50% 0 0; overflow:hidden; }
.hero-image img { width:100%; height:auto; }

/* 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:0.25s; }
.btn-primary { color:#fff; background:#de8a5f; box-shadow:0 4px 12px rgba(222,138,95,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 20px rgba(222,138,95,0.4); }
.btn-outline { color:#5d7b72; background:transparent; border:1.5px solid #5d7b72; }
.btn-outline:hover { background:rgba(93,123,114,0.08); transform:translateY(-2px); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:600; letter-spacing:3px; margin-bottom:12px; color:#de8a5f; text-transform:uppercase; }
.section-title { font-size:2.2rem; margin-bottom:14px; line-height:1.2; color:#2d2a26; }
.section-desc { max-width:600px; color:#7a6e62; margin-bottom:48px; line-height:1.6; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:18px 18px 18px 6px; padding:30px; border:1px solid #e5d8c7; background:#fff8ef; transition:0.3s; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,#de8a5f,#d4a373); opacity:0; transition:0.3s; }
.category-card:hover { transform:translateY(-5px) rotate(0.3deg); box-shadow:0 8px 24px rgba(93,123,114,0.12); border-color:#b5c9c1; }
.category-card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:14px 14px 14px 4px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:#e8f0ec; color:#5d7b72; }
.category-card:nth-child(odd) .card-icon { background:#f6e2d5; color:#de8a5f; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#5d7b72; display:inline-flex; align-items:center; gap:4px; transition:gap 0.2s; }
.card-link:hover { gap:8px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { border-radius:18px 18px 18px 6px; overflow:hidden; box-shadow:0 4px 20px rgba(45,42,38,0.08); }
.feature-image img { width:100%; height:auto; display:block; transition:transform 0.5s; }
.feature-image:hover img { transform:scale(1.02); }
.feature-text { padding:20px 0; }
.feature-text h3 { font-size:1.6rem; margin-bottom:16px; color:#2d2a26; }
.feature-list { list-style:none; margin-bottom:24px; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#4d463e; }
.feature-list li::before { content:'✓'; font-weight:800; width:22px; height:22px; border-radius:50%; background:#e8f0ec; color:#5d7b72; display:flex; align-items:center; justify-content:center; font-size:0.75rem; }

/* 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:50px 50px 16px 16px; background:#fff8ef; border:1px solid #e5d8c7; transition:0.3s; }
.stat-item:hover { transform:scale(1.02); box-shadow:0 4px 16px rgba(222,138,95,0.1); }
.stat-number { font-size:2.4rem; font-weight:800; color:#de8a5f; line-height:1; }
.stat-label { font-size:0.85rem; color:#7a6e62; margin-top:8px; letter-spacing:1px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:32px; }
.content-wall-item { border-radius:16px 16px 16px 6px; overflow:hidden; background:#fff8ef; border:1px solid #e5d8c7; transition:0.3s; }
.content-wall-item:hover { transform:translateY(2px) rotate(-0.5deg); box-shadow:0 10px 24px rgba(93,123,114,0.14); }
.content-wall-item:nth-child(even) { transform:translateY(8px); }
.content-wall-item:nth-child(even):hover { transform:translateY(6px) rotate(0.5deg); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:20px; }
.content-wall-body h4 { margin-bottom:8px; font-size:1.1rem; color:#2d2a26; }
.content-wall-body p { font-size:0.9rem; color:#7a6e62; margin-bottom:12px; line-height:1.5; }
.content-wall-body .card-link { font-size:0.8rem; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #e5d8c7; border-radius:14px 14px 14px 4px; margin-bottom:12px; overflow:hidden; cursor:pointer; background:#fff8ef; transition:0.25s; }
.faq-item:hover { border-color:#b5c9c1; }
.faq-item .faq-question { padding:18px 24px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#2d2a26; }
.faq-item .faq-question::after { content:'+'; font-size:1.4rem; color:#de8a5f; transition:transform 0.3s; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 24px 18px; display:none; color:#7a6e62; line-height:1.6; }

/* CTA横幅 */
.cta-banner { padding:60px 40px; text-align:center; background:linear-gradient(135deg, #5d7b72, #8aa79d); box-shadow:0 8px 30px rgba(93,123,114,0.3); }
.cta-banner::before { display:none; }
.cta-banner h2 { color:#fff; font-size:1.8rem; margin-bottom:16px; }
.cta-banner p { color:rgba(255,255,255,0.85); max-width:480px; margin:0 auto 28px; line-height:1.6; }
.cta-banner .btn-primary { background:#fff; color:#5d7b72; box-shadow:0 3px 10px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { background:#f4eadf; }

/* 页脚 */
.site-footer { padding:64px 0 28px; background:#f4eadf; border-top:1px solid #e5d8c7; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand h3 { color:#2d2a26; margin-bottom:12px; }
.footer-brand p { color:#7a6e62; font-size:0.9rem; line-height:1.6; max-width:320px; }
.footer-col h4 { color:#2d2a26; font-size:0.9rem; margin-bottom:14px; letter-spacing:1px; }
.footer-col a { display:block; color:#7a6e62; text-decoration:none; font-size:0.9rem; padding:5px 0; transition:color 0.2s; }
.footer-col a:hover { color:#de8a5f; }
.footer-bottom { border-top:1px solid #e5d8c7; margin-top:44px; padding-top:20px; text-align:center; font-size:0.85rem; color:#7a6e62; }

/* 工具类 */
.text-accent { color:#de8a5f; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; color:#7a6e62; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 通用装饰 */
.card-rounded { border-radius:18px 18px 18px 6px; }
.shadow-soft { box-shadow:0 2px 12px rgba(45,42,38,0.05); }

/* 表单元素风格 */
input, textarea, select { font-family:inherit; border:1.5px solid #ded3c4; border-radius:10px; padding:10px 16px; background:#fffdf7; transition:border-color 0.2s; }
input:focus, textarea:focus { outline:none; border-color:#de8a5f; }

/* 滚动条（浅米色主题） */
::-webkit-scrollbar { width:8px; }
::-webkit-scrollbar-track { background:#f4eadf; }
::-webkit-scrollbar-thumb { background:#c9b8a5; border-radius:10px; }
::-webkit-scrollbar-thumb:hover { background:#b5a08b; }

/* 鼠标样式（加分项） */
::selection { background:#de8a5f; color:#fff; }

/* ⚠️ 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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:76px; left:24px; right:24px; background:#faf3e7; padding:20px 24px; border-radius:0 0 18px 18px; box-shadow:0 8px 24px rgba(45,42,38,0.1); gap:18px; border:1px solid #e5d8c7; }
  .main-nav.open a::after { display:none; }
  .hero h1 { font-size:2.2rem; }
  .hero-content { padding:0 0 24px; }
  .section { padding:80px 0; }
  .section-title { font-size:1.8rem; }
  .cta-banner { padding:48px 24px; }
  .stat-item { border-radius:30px 30px 12px 12px; padding:22px 12px; }
  .stat-number { font-size:1.8rem; }
}
@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; align-items:stretch; }
  .hero-buttons .btn { justify-content:center; }
  .content-wall-item:nth-child(even) { transform:none; }
  .content-wall-item:nth-child(even):hover { transform:translateY(-3px); }
  .hero { padding-top:100px; }
  .hero h1 { font-size:1.9rem; }
  .feature-text h3 { font-size:1.3rem; }
  .stats-bar { gap:14px; }
  .stat-item { padding:18px 8px; }
  .stat-number { font-size:1.5rem; }
  .cta-banner { padding:40px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
}