/* 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:#faf8f5; color:#2c3e4a; line-height:1.6; -webkit-font-smoothing:antialiased; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f5f2ed; }
.section:nth-child(even)::before { content:''; position:absolute; top:-40px; right:0; width:180px; height:180px; border-radius:50%; background:radial-gradient(circle, rgba(232,115,74,0.06) 0%, transparent 70%); pointer-events:none; }

/* 导航 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(250,248,245,0.92); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); border-bottom:1px solid rgba(201,169,110,0.2); transition:box-shadow 0.3s; }
.site-header.scrolled { box-shadow:0 2px 24px rgba(44,62,74,0.06); }
.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:1.15rem; text-decoration:none; color:#2c3e4a; letter-spacing:-0.3px; transition:opacity 0.2s; }
.logo:hover { opacity:0.8; }
.logo-icon { width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1rem; background:linear-gradient(135deg, #e8734a, #d4603a); color:#fff; font-weight:800; letter-spacing:1px; box-shadow:0 4px 14px rgba(232,115,74,0.25); }
.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:#5a6a76; transition:color 0.2s; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#e8734a; border-radius:1px; transition:width 0.25s ease; }
.main-nav a:hover { color:#2c3e4a; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:9px 22px!important; border-radius:24px!important; color:#fff!important; font-weight:600!important; background:linear-gradient(135deg, #e8734a, #d45f38); box-shadow:0 4px 16px rgba(232,115,74,0.3); transition:transform 0.2s, box-shadow 0.2s!important; }
.nav-cta:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(232,115,74,0.4); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; padding:6px; color:#2c3e4a; }

/* Hero */
.hero { min-height:72vh; display:flex; align-items:center; background:linear-gradient(180deg, #faf8f5 0%, #f5f0e8 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-120px; right:-80px; width:500px; height:500px; border-radius:50%; background:radial-gradient(circle, rgba(232,115,74,0.07) 0%, transparent 65%); pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-60px; left:-100px; width:380px; height:380px; border-radius:50%; background:radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 60%); pointer-events:none; }
.hero .container { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.hero-content { max-width:720px; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:5px 16px; border-radius:20px; margin-bottom:18px; background:rgba(232,115,74,0.1); color:#d45f38; letter-spacing:1.5px; text-transform:uppercase; }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:22px; font-weight:800; color:#2c3e4a; letter-spacing:-1px; }
.hero h1 span { background:linear-gradient(135deg, #e8734a, #c9a96e); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.65; max-width:500px; margin-bottom:36px; color:#5a6a76; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 50px rgba(44,62,74,0.08); transform:rotate(-1deg); transition:transform 0.3s; }
.hero-image:hover { transform:rotate(0deg) scale(1.01); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:26px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:all 0.25s; font-size:0.95rem; letter-spacing:-0.2px; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #e8734a, #d45f38); box-shadow:0 6px 20px rgba(232,115,74,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 28px rgba(232,115,74,0.4); }
.btn-outline { background:transparent; border:1.8px solid #2c3e4a; color:#2c3e4a; }
.btn-outline:hover { background:#2c3e4a; color:#fff; transform:translateY(-2px); box-shadow:0 6px 20px rgba(44,62,74,0.15); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:600; letter-spacing:2.5px; margin-bottom:14px; color:#e8734a; text-transform:uppercase; }
.section-title { font-size:2.2rem; margin-bottom:16px; font-weight:800; color:#2c3e4a; letter-spacing:-0.8px; }
.section-desc { max-width:600px; opacity:0.6; margin-bottom:44px; color:#5a6a76; font-size:1.05rem; line-height:1.7; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { border-radius:16px; padding:30px 26px; border:1px solid rgba(201,169,110,0.2); transition:all 0.3s ease; background:#fff; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg, #e8734a, #c9a96e); transform:scaleX(0); transform-origin:left; transition:transform 0.35s ease; }
.category-card:hover { transform:translateY(-5px); box-shadow:0 16px 36px rgba(44,62,74,0.08); border-color:transparent; }
.category-card:hover::before { transform:scaleX(1); }
.card-icon { width:50px; height:50px; border-radius:14px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:linear-gradient(135deg, rgba(232,115,74,0.12), rgba(201,169,110,0.12)); color:#e8734a; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#e8734a; display:inline-flex; align-items:center; gap:4px; transition:gap 0.25s; }
.card-link:hover { gap:8px; }
.category-card h3 { font-size:1.1rem; margin-bottom:8px; color:#2c3e4a; font-weight:700; }
.category-card p { font-size:0.9rem; color:#7a8a94; line-height:1.6; margin-bottom:16px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { border-radius:18px; overflow:hidden; box-shadow:0 16px 40px rgba(44,62,74,0.06); position:relative; }
.feature-image::after { content:''; position:absolute; inset:0; border-radius:18px; background:linear-gradient(180deg, transparent 60%, rgba(232,115,74,0.04)); pointer-events:none; }
.feature-image img { width:100%; height:auto; display:block; transition:transform 0.5s; }
.feature-image:hover img { transform:scale(1.03); }
.feature-text h3 { font-size:1.6rem; font-weight:700; color:#2c3e4a; margin-bottom:16px; letter-spacing:-0.5px; }
.feature-text p { color:#5a6a76; margin-bottom:20px; line-height:1.7; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#2c3e4a; font-weight:500; font-size:0.95rem; }
.feature-list li::before { content:'✓'; font-weight:700; color:#e8734a; background:rgba(232,115,74,0.1); width:24px; height:24px; border-radius:50%; display:inline-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:1px solid rgba(201,169,110,0.15); background:#fff; transition:all 0.3s; }
.stat-item:hover { transform:translateY(-3px); box-shadow:0 12px 30px rgba(44,62,74,0.06); border-color:rgba(232,115,74,0.25); }
.stat-number { font-size:2.4rem; font-weight:800; color:#e8734a; letter-spacing:-1px; }
.stat-label { font-size:0.9rem; opacity:0.55; margin-top:8px; color:#5a6a76; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1px solid rgba(201,169,110,0.15); transition:all 0.3s; background:#fff; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 18px 36px rgba(44,62,74,0.08); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; transition:transform 0.5s; }
.content-wall-item:hover img { transform:scale(1.05); }
.content-wall-body { padding:20px 22px; }
.content-wall-body h3 { font-size:1.05rem; font-weight:700; color:#2c3e4a; margin-bottom:6px; }
.content-wall-body p { font-size:0.88rem; color:#7a8a94; line-height:1.5; }
.content-wall-body .card-link { margin-top:8px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(201,169,110,0.2); border-radius:14px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:all 0.25s; }
.faq-item:hover { border-color:rgba(232,115,74,0.3); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#2c3e4a; font-size:0.98rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; font-weight:300; color:#e8734a; transition:transform 0.3s; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.65; color:#5a6a76; line-height:1.7; font-size:0.93rem; }
.faq-item.open { border-color:rgba(232,115,74,0.4); box-shadow:0 4px 20px rgba(232,115,74,0.06); }
.faq-item.open .faq-answer { display:block; }
.faq-item.open .faq-question::after { content:'−'; transform:rotate(180deg); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg, #e8734a 0%, #d45f38 30%, #c9a96e 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-60px; right:-60px; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.08); pointer-events:none; }
.cta-banner::after { content:''; position:absolute; bottom:-80px; left:-40px; width:250px; height:250px; border-radius:50%; background:rgba(255,255,255,0.05); pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; position:relative; z-index:1; letter-spacing:-0.5px; }
.cta-banner p { color:rgba(255,255,255,0.85); position:relative; z-index:1; margin:12px 0 24px; font-size:1.05rem; }
.cta-banner .btn-primary { background:#fff; color:#e8734a; box-shadow:0 6px 20px rgba(0,0,0,0.1); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#faf8f5; box-shadow:0 10px 28px rgba(0,0,0,0.15); }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:#2c3e4a; color:rgba(255,255,255,0.8); }
.site-footer .container { max-width:1200px; margin:0 auto; padding:0 24px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand h3 { color:#fff; font-size:1.2rem; margin-bottom:10px; font-weight:700; }
.footer-brand p { opacity:0.6; line-height:1.7; font-size:0.9rem; }
.footer-col h4 { color:#fff; font-weight:600; margin-bottom:16px; font-size:0.95rem; letter-spacing:0.5px; }
.footer-col a { display:block; color:rgba(255,255,255,0.55); text-decoration:none; font-size:0.88rem; padding:5px 0; transition:color 0.2s; }
.footer-col a:hover { color:#c9a96e; }
.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; opacity:0.5; color:rgba(255,255,255,0.7); }

/* 工具类 */
.text-accent { color:#e8734a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; color:#5a6a76; font-size:0.95rem; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条美化 */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#f5f2ed; }
::-webkit-scrollbar-thumb { background:#d4c8b8; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#c9a96e; }

/* 选中文本 */
::selection { background:rgba(232,115,74,0.2); color:#2c3e4a; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns:1fr; }
  .hero-image { max-width:480px; margin:0 auto; transform:none; }
  .hero h1 { font-size:2.4rem; }
}

@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:68px; left:0; width:100%; background:rgba(250,248,245,0.98); backdrop-filter:blur(12px); padding:24px; border-bottom:1px solid rgba(201,169,110,0.2); box-shadow:0 12px 30px rgba(0,0,0,0.04); }
  .main-nav.open a { padding:10px 0; font-size:1rem; }
  .hero { min-height:60vh; padding:100px 0 60px; }
  .hero h1 { font-size:2rem; }
  .hero p { font-size:1rem; }
  .section-title { font-size:1.7rem; }
  .cta-banner h2 { font-size:1.5rem; }
}

@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-buttons .btn { width:100%; justify-content:center; }
  .hero h1 { font-size:1.7rem; }
  .section { padding:48px 0; }
  .cta-banner { padding:40px 20px; border-radius:14px; }
  .stat-number { font-size:1.8rem; }
  .feature-text h3 { font-size:1.3rem; }
}