*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#f08c00;--primary-dark:#e07b00;--primary-light:#ff9f1a;--bg:#ffffff;--bg2:#f7f8fa;--card:#ffffff;--text:#1a1a1a;--muted:#666666;--border:#e8e8e8;--dark:#1a1a1a;--radius:8px;--shadow:0 2px 12px rgba(0,0,0,.06)}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:6px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .25s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(240,140,0,.35)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;background:#fff;border-bottom:1px solid var(--border);transition:all .3s}
.nav.scrolled{box-shadow:0 2px 16px rgba(0,0,0,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center}
.logo img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-cta{margin-left:12px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{width:22px;height:2px;background:var(--text);transition:.3s}
.hero{padding:120px 0 60px;background:var(--bg2)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:rgba(240,140,0,.1);border:1px solid rgba(240,140,0,.25);border-radius:20px;font-size:12px;color:var(--primary);margin-bottom:16px}
.hero h1{font-size:38px;font-weight:800;line-height:1.25;margin-bottom:14px;color:var(--dark)}
.hero h1 span{color:var(--primary)}
.hero-desc{font-size:16px;color:var(--muted);margin-bottom:24px;max-width:460px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.hero-stats{display:flex;gap:32px}
.stat-num{font-size:26px;font-weight:700;color:var(--primary)}
.stat-label{font-size:12px;color:var(--muted)}
.hero-demo{background:#fff;border-radius:12px;padding:22px;box-shadow:var(--shadow);border:1px solid var(--border)}
.demo-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.demo-title{font-size:14px;font-weight:600;color:var(--dark)}
.demo-status{font-size:12px;color:#22c55e;display:flex;align-items:center;gap:5px}
.demo-status::before{content:"";width:7px;height:7px;background:#22c55e;border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.demo-body{background:#f7f8fa;border-radius:10px;padding:18px;min-height:260px;border:1px solid var(--border)}
.scan-circle{width:100px;height:100px;margin:0 auto 12px;border-radius:50%;border:3px solid rgba(240,140,0,.2);border-top-color:var(--primary);animation:spin 1.1s linear infinite;display:flex;align-items:center;justify-content:center;font-size:28px}
@keyframes spin{to{transform:rotate(360deg)}}
.demo-info{font-size:13px;color:var(--muted);text-align:center;margin-bottom:6px}
.demo-actions{display:flex;gap:8px;justify-content:center;margin-top:16px}
.demo-btn{padding:9px 16px;border-radius:6px;font-size:12px;font-weight:600;border:none;cursor:pointer;background:var(--primary);color:#fff}
.demo-btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}
.demo-result{display:none;text-align:center;padding:18px 0}
.demo-result.show{display:block}
.section{padding:70px 0}
.section.bg{background:var(--bg2)}
.section-title{text-align:center;margin-bottom:42px}
.section-title h2{font-size:28px;font-weight:700;margin-bottom:8px;color:var(--dark)}
.section-title p{color:var(--muted);font-size:15px}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:#fff;border-radius:var(--radius);padding:24px 18px;border:1px solid var(--border);transition:all .3s}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(240,140,0,.3)}
.feature-icon{width:44px;height:44px;background:rgba(240,140,0,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.feature-card h3{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--dark)}
.feature-card p{font-size:13px;color:var(--muted)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}
.scenario-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.scenario-img{height:140px;background:linear-gradient(135deg,#fff7ed,#ffedd5);display:flex;align-items:center;justify-content:center;font-size:42px}
.scenario-body{padding:18px}
.scenario-body h3{font-size:16px;margin-bottom:6px;color:var(--dark)}
.scenario-body p{font-size:13px;color:var(--muted)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.price-card{background:#fff;border-radius:var(--radius);padding:28px 20px;border:1px solid var(--border);text-align:center;position:relative}
.price-card.popular{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.price-card.popular::before{content:"最受欢迎";position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:11px;font-weight:600;padding:3px 14px;border-radius:16px}
.price-name{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--dark)}
.price-value{font-size:32px;font-weight:800;color:var(--primary)}
.price-value span{font-size:14px;font-weight:400;color:var(--muted)}
.price-desc{font-size:12px;color:var(--muted);margin:6px 0 18px}
.price-list{list-style:none;text-align:left;margin-bottom:22px}
.price-list li{padding:6px 0;font-size:13px;color:var(--muted);display:flex;gap:6px}
.price-list li::before{content:"✓";color:var(--primary);font-weight:700}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:10px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--dark)}
.faq-q::after{content:"▾";color:var(--muted);transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s;padding:0 20px}
.faq-item.open .faq-a{max-height:280px;padding:0 20px 16px}
.faq-a p{font-size:13px;color:var(--muted)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testimonial-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.testimonial-stars{color:#f59e0b;font-size:13px;margin-bottom:10px}
.testimonial-text{font-size:13px;color:var(--muted);margin-bottom:14px}
.testimonial-user{display:flex;align-items:center;gap:10px}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.user-name{font-size:13px;font-weight:600;color:var(--dark)}
.user-role{font-size:11px;color:var(--muted)}
.news-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news-card img{width:100%;height:160px;object-fit:cover}
.news-card-body{padding:16px}
.news-card-body h3{font-size:15px;margin-bottom:6px;line-height:1.4;color:var(--dark)}
.news-card-body p{font-size:12px;color:var(--muted)}
.news-date{font-size:11px;color:var(--muted);margin-top:8px}
.cta-box{background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid rgba(240,140,0,.2);border-radius:12px;padding:50px 36px;text-align:center}
.cta-box h2{font-size:26px;margin-bottom:10px;color:var(--dark)}
.cta-box p{color:var(--muted);margin-bottom:22px}
.footer{padding:50px 0 24px;background:var(--dark);color:#ccc}
.footer a{color:#aaa}
.footer a:hover{color:var(--primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:32px}
.footer-brand p{font-size:13px;color:#999;margin-top:10px;max-width:260px}
.footer-col h4{font-size:13px;font-weight:600;margin-bottom:12px;color:#fff}
.footer-col a{display:block;font-size:12px;margin-bottom:8px}
.footer-bottom{text-align:center;padding-top:18px;border-top:1px solid #333;font-size:12px;color:#777}
.page-hero{padding:100px 0 36px;background:var(--bg2);text-align:center}
.page-hero h1{font-size:30px;margin-bottom:10px;color:var(--dark)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:12px}
.breadcrumb a{color:var(--primary)}
.news-list{display:grid;gap:20px}
.news-list-item{display:grid;grid-template-columns:280px 1fr;gap:24px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.news-list-item img{width:100%;height:180px;object-fit:cover}
.news-list-body{padding:20px 20px 20px 0}
.news-list-body h2{font-size:18px;margin-bottom:8px;color:var(--dark)}
.news-list-body p{font-size:13px;color:var(--muted);margin-bottom:10px}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:36px;padding:40px 0 70px}
.article-content h1{font-size:26px;line-height:1.35;margin-bottom:16px;color:var(--dark)}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:24px}
.article-content h2{font-size:20px;margin:28px 0 12px;padding-top:8px;color:var(--dark)}
.article-content p{font-size:15px;color:#444;margin-bottom:16px;line-height:1.75}
.article-content img{border-radius:8px;margin:20px 0}
.sidebar{position:sticky;top:80px}
.sidebar-card{background:#fff;border-radius:var(--radius);padding:18px;margin-bottom:18px;border:1px solid var(--border)}
.sidebar-card h3{font-size:14px;font-weight:600;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--primary);color:var(--dark)}
.toc-item{display:block;font-size:13px;color:var(--muted);padding:6px 0 6px 16px;border-left:2px solid var(--border);margin-left:4px;transition:.2s}
.toc-item:hover,.toc-item.active{color:var(--primary);border-left-color:var(--primary)}
.rank-item{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:13px}
.rank-badge{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;background:#e5e7eb;color:#333}
.rank-badge.r1{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}
.rank-badge.r2{background:#9ca3af;color:#fff}
.rank-badge.r3{background:#b45309;color:#fff}
.tag{display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;background:var(--bg2);margin:0 6px 8px 0;color:var(--muted);border:1px solid var(--border)}
.tag:hover{background:rgba(240,140,0,.1);color:var(--primary);border-color:rgba(240,140,0,.3)}
.comments{margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.comment{display:flex;gap:12px;margin-bottom:18px}
.comment-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment-body{flex:1}
.comment-name{font-size:13px;font-weight:600;color:var(--dark)}
.comment-date{font-size:11px;color:var(--muted)}
.comment-text{font-size:13px;color:var(--muted);margin-top:4px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.related a{background:#fff;padding:14px;border-radius:8px;font-size:13px;border:1px solid var(--border);color:var(--dark)}
.related a:hover{border-color:var(--primary);color:var(--primary)}
.download-versions{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}
.version-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.version-card h3{font-size:17px;margin-bottom:8px;color:var(--dark)}
.version-meta{font-size:12px;color:var(--muted);margin-bottom:14px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req-item{background:#fff;padding:18px;border-radius:8px;text-align:center;border:1px solid var(--border)}
.req-item h4{font-size:14px;margin-bottom:4px;color:var(--dark)}
.req-item p{font-size:12px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{background:#fff;padding:22px 16px;border-radius:var(--radius);text-align:center;border:1px solid var(--border)}
.step-num{width:32px;height:32px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-weight:700;font-size:14px}
@media(max-width:992px){
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;padding:18px;gap:14px;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.nav-links.open{display:flex}
.hamburger{display:flex}
.hero-grid,.article-layout{grid-template-columns:1fr}
.features-grid,.scenarios-grid,.testimonials-grid,.news-preview-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}
.news-list-item{grid-template-columns:1fr}
.news-list-item img{height:180px}
.sidebar{position:static}
.footer-grid{grid-template-columns:1fr 1fr}
.download-versions,.req-grid{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.hero{padding:100px 0 50px}
.hero h1{font-size:28px}
.features-grid,.scenarios-grid,.testimonials-grid,.news-preview-grid,.pricing-grid,.related,.steps,.req-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-btns{flex-direction:column}
.btn{width:100%}
.hero-stats{gap:16px}
.stat-num{font-size:20px}
}