/* 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:#FFFBF5; color:#3D3530; line-height:1.6; }

/* 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:#F7F1E8; }
.section:nth-child(even)::before { content:''; position:absolute; top:0; left:0; width:100%; height:100%; background:radial-gradient(ellipse at 30% 70%, rgba(212,145,62,0.06) 0%, transparent 60%), radial-gradient(ellipse at 70% 20%, rgba(13,92,74,0.04) 0%, transparent 60%); pointer-events:none; }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,251,245,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid rgba(13,92,74,0.08); transition:all 0.3s ease; }
.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:700; font-size:1.2rem; text-decoration:none; color:#0D5C4A; letter-spacing:-0.3px; }
.logo-icon { width:36px; height:36px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1rem; background:linear-gradient(135deg, #0D5C4A 0%, #1a8a6e 100%); color:#fff; box-shadow:0 2px 10px rgba(13,92,74,0.2); }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.88rem; font-weight:500; transition:0.25s; color:#5C5248; position:relative; padding:4px 0; }
.main-nav a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:linear-gradient(90deg, #D4913E, #E8A85F); border-radius:2px; transition:width 0.3s ease; }
.main-nav a:hover { color:#0D5C4A; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:9px 22px; border-radius:25px; color:#fff!important; font-weight:600; background:linear-gradient(135deg, #0D5C4A 0%, #157A60 100%); box-shadow:0 3px 14px rgba(13,92,74,0.25); transition:all 0.3s ease!important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(13,92,74,0.35); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; width:40px; height:40px; align-items:center; justify-content:center; cursor:pointer; border-radius:8px; border:1.5px solid rgba(13,92,74,0.2); background:transparent; flex-direction:column; gap:5px; }
.menu-toggle span { display:block; width:20px; height:2px; background:#0D5C4A; border-radius:2px; transition:0.3s; }

/* 首页Hero */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-30%; right:-15%; width:600px; height:600px; border-radius:50%; background:radial-gradient(circle, rgba(232,129,106,0.1) 0%, rgba(212,145,62,0.06) 30%, transparent 65%); pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-20%; left:-10%; width:450px; height:450px; border-radius:50%; background:radial-gradient(circle, rgba(13,92,74,0.07) 0%, transparent 60%); pointer-events:none; }
.hero .container { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; position:relative; z-index:1; }
.hero-content { max-width:720px; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:6px; font-size:0.82rem; font-weight:600; padding:6px 16px; border-radius:25px; margin-bottom:18px; background:rgba(212,145,62,0.12); color:#B8781E; letter-spacing:0.5px; }
.hero-eyebrow::before { content:''; width:7px; height:7px; border-radius:50%; background:#D4913E; animation:pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.5); } }
.hero h1 { font-size:3rem; line-height:1.18; margin-bottom:20px; font-weight:800; color:#2A2118; letter-spacing:-0.5px; }
.hero h1 .highlight { background:linear-gradient(135deg, #0D5C4A 0%, #1a8a6e 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:520px; margin-bottom:34px; color:#5C5248; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:20px; overflow:hidden; position:relative; box-shadow:0 20px 50px rgba(13,92,74,0.1); }
.hero-image::after { content:''; position:absolute; inset:0; border-radius:20px; border:2px solid rgba(255,255,255,0.5); pointer-events:none; }
.hero-image img { width:100%; height:auto; display:block; border-radius:20px; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:28px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:all 0.3s ease; font-size:0.95rem; letter-spacing:0.2px; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #0D5C4A 0%, #157A60 100%); box-shadow:0 4px 16px rgba(13,92,74,0.25); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 25px rgba(13,92,74,0.35); }
.btn-outline { background:transparent; border:1.8px solid #0D5C4A; color:#0D5C4A; }
.btn-outline:hover { background:#0D5C4A; color:#fff; }

/* 标签/标题 */
.section-label { display:inline-flex; align-items:center; gap:8px; font-size:0.78rem; font-weight:700; letter-spacing:2.5px; margin-bottom:12px; text-transform:uppercase; color:#D4913E; }
.section-label::after { content:''; width:28px; height:1.5px; background:linear-gradient(90deg, #D4913E, transparent); border-radius:1px; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:800; color:#2A2118; letter-spacing:-0.3px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#5C5248; font-size:1.05rem; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:24px; }
.category-card { border-radius:16px; padding:30px 26px; border:1.5px solid rgba(13,92,74,0.08); transition:all 0.35s ease; background:rgba(255,255,255,0.7); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); position:relative; overflow:hidden; cursor:pointer; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:4px; background:linear-gradient(90deg, #0D5C4A, #D4913E, #E8816A); opacity:0; transition:opacity 0.35s; }
.category-card:hover { transform:translateY(-5px); box-shadow:0 12px 32px rgba(13,92,74,0.1); border-color:rgba(13,92,74,0.2); }
.category-card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.4rem; background:linear-gradient(135deg, rgba(13,92,74,0.1) 0%, rgba(212,145,62,0.1) 100%); color:#0D5C4A; }
.category-card h3 { font-size:1.15rem; margin-bottom:8px; font-weight:700; color:#2A2118; }
.category-card p { font-size:0.9rem; color:#5C5248; opacity:0.7; margin-bottom:14px; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#D4913E; display:inline-flex; align-items:center; gap:4px; transition:gap 0.3s; }
.card-link:hover { gap:8px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; position:relative; box-shadow:0 16px 40px rgba(13,92,74,0.08); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-image::after { content:''; position:absolute; inset:0; border-radius:20px; border:2px solid rgba(255,255,255,0.4); pointer-events:none; }
.feature-text h3 { font-size:1.6rem; margin-bottom:16px; font-weight:700; color:#2A2118; }
.feature-text p { color:#5C5248; opacity:0.75; margin-bottom:20px; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; font-weight:500; color:#3D3530; }
.feature-list li::before { content:'✓'; font-weight:700; width:24px; height:24px; border-radius:50%; background:linear-gradient(135deg, #0D5C4A, #157A60); color:#fff; display:flex; align-items:center; justify-content:center; font-size:0.75rem; flex-shrink:0; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:16px; border:1.5px solid rgba(13,92,74,0.06); background:rgba(255,255,255,0.6); backdrop-filter:blur(6px); transition:all 0.3s; }
.stat-item:hover { border-color:rgba(13,92,74,0.2); box-shadow:0 8px 24px rgba(13,92,74,0.06); transform:translateY(-3px); }
.stat-number { font-size:2.4rem; font-weight:800; background:linear-gradient(135deg, #0D5C4A 0%, #1a8a6e 60%, #D4913E 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:0.88rem; opacity:0.6; margin-top:6px; color:#5C5248; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:24px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1.5px solid rgba(13,92,74,0.06); transition:all 0.35s ease; background:#fff; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 14px 36px rgba(13,92,74,0.1); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px 22px; }
.content-wall-body h4 { font-weight:700; margin-bottom:6px; color:#2A2118; font-size:1.05rem; }
.content-wall-body p { font-size:0.88rem; color:#5C5248; opacity:0.65; }
.content-wall-body .card-link { margin-top:10px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1.5px solid rgba(13,92,74,0.08); border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:all 0.3s; }
.faq-item:hover { border-color:rgba(13,92,74,0.2); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#2A2118; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; font-weight:400; color:#D4913E; transition:transform 0.3s; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#5C5248; }
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:rgba(13,92,74,0.25); box-shadow:0 4px 16px rgba(13,92,74,0.05); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg, #0D5C4A 0%, #0F6B55 30%, #157A60 60%, #1a8a6e 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-40%; right:-20%; width:400px; height:400px; border-radius:50%; background:rgba(255,255,255,0.04); pointer-events:none; }
.cta-banner::after { content:''; position:absolute; bottom:-35%; left:-15%; width:350px; height:350px; border-radius:50%; background:rgba(212,145,62,0.1); pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.8); margin:12px 0 24px; position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:#0D5C4A; box-shadow:0 4px 20px rgba(0,0,0,0.15); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#FFFBF5; box-shadow:0 8px 28px rgba(0,0,0,0.2); }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#F7F1E8; border-top:1px solid rgba(13,92,74,0.06); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { font-size:0.9rem; color:#5C5248; opacity:0.7; max-width:280px; }
.footer-col h4 { font-weight:700; margin-bottom:14px; color:#2A2118; font-size:0.95rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { text-decoration:none; color:#5C5248; font-size:0.88rem; opacity:0.7; transition:0.2s; }
.footer-col ul li a:hover { opacity:1; color:#0D5C4A; }
.footer-bottom { border-top:1px solid rgba(13,92,74,0.08); margin-top:44px; padding-top:22px; text-align:center; font-size:0.85rem; color:#5C5248; opacity:0.6; }

/* 工具类 */
.text-accent { color:#D4913E; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5C5248; font-size:0.95rem; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条美化 */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#FFFBF5; }
::-webkit-scrollbar-thumb { background:rgba(13,92,74,0.2); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(13,92,74,0.35); }

/* 选中文本 */
::selection { background:rgba(13,92,74,0.15); color:#0D5C4A; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .hero .container { grid-template-columns:1fr; text-align:center; }
  .hero h1 { font-size:2.3rem; }
  .hero p { margin:0 auto 24px; }
  .hero-buttons { justify-content:center; }
  .hero-image { max-width:400px; margin:0 auto; }
  .hero { min-height:auto; padding:100px 0 60px; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:rgba(255,251,245,0.98); backdrop-filter:blur(20px); padding:24px; border-bottom:1px solid rgba(13,92,74,0.08); gap:16px; box-shadow:0 10px 30px rgba(0,0,0,0.05); }
  .section-title { font-size:1.7rem; }
}
@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:center; }
  .hero h1 { font-size:1.9rem; }
  .section { padding:50px 0; }
  .cta-banner { padding:40px 18px; }
  .cta-banner h2 { font-size:1.5rem; }
}