*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#2ecc71;--primary-dark:#27ae60;--secondary:#3498db;--dark:#1a1a2e;--darker:#16213e;--light:#f8f9fa;--gray:#6c757d;--text:#333;--text-light:#666;--border:#e0e0e0;--shadow:0 2px 15px rgba(0,0,0,0.08);--radius:12px;--transition:all 0.3s ease}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;color:var(--text);line-height:1.6;background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);box-shadow:0 1px 10px rgba(0,0,0,0.05);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;color:var(--primary)}
.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:0.95rem;color:var(--text);font-weight:500;position:relative}
.nav a:hover{color:var(--primary)}
.nav a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary);transition:var(--transition)}
.nav a:hover::after{width:100%}
.lang-switch{display:flex;gap:5px;background:var(--light);border-radius:20px;padding:3px}
.lang-switch a{padding:5px 12px;border-radius:18px;font-size:0.85rem;font-weight:500}
.lang-switch a.active{background:var(--primary);color:#fff}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-menu-btn span{width:25px;height:2px;background:var(--text);transition:var(--transition)}
/* Hero */
.hero{padding:120px 0 80px;background:linear-gradient(135deg,#f0fff4 0%,#e8f5e9 50%,#f1f8e9 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(46,204,113,0.1) 0%,transparent 70%);border-radius:50%}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:20px;color:var(--dark)}
.hero-content h1 span{color:var(--primary);display:block}
.hero-content p{font-size:1.15rem;color:var(--text-light);margin-bottom:30px;line-height:1.8}
.hero-badges{display:flex;gap:15px;margin-bottom:30px;flex-wrap:wrap}
.hero-badge{display:flex;align-items:center;gap:8px;background:#fff;padding:8px 16px;border-radius:20px;font-size:0.85rem;box-shadow:var(--shadow)}
.hero-badge i{color:var(--primary)}
.hero-buttons{display:flex;gap:15px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-size:1rem;font-weight:600;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(46,204,113,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(46,204,113,0.4)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
/* Client Simulator */
.simulator{position:relative;perspective:1000px}
.simulator-frame{background:var(--dark);border-radius:20px;padding:15px;box-shadow:0 25px 60px rgba(0,0,0,0.15);transform:rotateY(-5deg) rotateX(2deg);transition:var(--transition)}
.simulator-frame:hover{transform:rotateY(0) rotateX(0)}
.simulator-header{display:flex;align-items:center;gap:8px;padding:10px 15px;background:var(--darker);border-radius:12px 12px 0 0;margin:-15px -15px 15px}
.simulator-dot{width:12px;height:12px;border-radius:50%}
.simulator-dot.red{background:#ff5f56}
.simulator-dot.yellow{background:#ffbd2e}
.simulator-dot.green{background:#27c93f}
.simulator-title{color:#fff;font-size:0.85rem;margin-left:10px;opacity:0.7}
.simulator-screen{background:linear-gradient(180deg,#1a1a2e 0%,#16213e 100%);border-radius:8px;padding:25px;min-height:350px}
.sim-server-list{display:flex;flex-direction:column;gap:10px}
.sim-server{display:flex;align-items:center;gap:12px;padding:12px 15px;background:rgba(255,255,255,0.05);border-radius:10px;cursor:pointer;transition:var(--transition)}
.sim-server:hover,.sim-server.active{background:rgba(46,204,113,0.15);border:1px solid rgba(46,204,113,0.3)}
.sim-server-flag{width:30px;height:20px;border-radius:3px;object-fit:cover}
.sim-server-info{flex:1}
.sim-server-name{color:#fff;font-size:0.9rem;font-weight:500}
.sim-server-ping{color:var(--primary);font-size:0.75rem}
.sim-connect-btn{display:block;width:100%;padding:15px;margin-top:20px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.sim-connect-btn:hover{transform:scale(1.02)}
.sim-status{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:15px;color:rgba(255,255,255,0.6);font-size:0.85rem}
.sim-status-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
/* Section Common */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:15px;color:var(--dark)}
.section-header p{font-size:1.05rem;color:var(--text-light);max-width:600px;margin:0 auto}
.section-tag{display:inline-block;background:rgba(46,204,113,0.1);color:var(--primary);padding:5px 15px;border-radius:20px;font-size:0.85rem;font-weight:600;margin-bottom:15px}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:#fff;border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1);border-color:var(--primary)}
.feature-icon{width:60px;height:60px;background:linear-gradient(135deg,rgba(46,204,113,0.1),rgba(46,204,113,0.05));border-radius:15px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem;color:var(--primary)}
.feature-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.feature-card p{font-size:0.9rem;color:var(--text-light);line-height:1.7}
/* Announcement */
.announcement{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:20px 0;color:#fff}
.announcement-inner{display:flex;align-items:center;justify-content:center;gap:15px}
.announcement-badge{background:rgba(255,255,255,0.2);padding:4px 12px;border-radius:15px;font-size:0.8rem;font-weight:600}
.announcement-text{font-size:0.95rem}
/* Trust */
.trust{background:var(--light)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.trust-item{padding:30px 20px}
.trust-number{font-size:2.5rem;font-weight:800;color:var(--primary);margin-bottom:5px}
.trust-label{font-size:0.9rem;color:var(--text-light)}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.scenario-card{position:relative;border-radius:var(--radius);overflow:hidden;height:220px;cursor:pointer}
.scenario-card img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.scenario-card:hover img{transform:scale(1.05)}
.scenario-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,0.8) 100%);display:flex;align-items:flex-end;padding:20px}
.scenario-title{color:#fff;font-size:1.1rem;font-weight:600}
/* Compare */
.compare{background:var(--light)}
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th,.compare-table td{padding:15px 20px;text-align:center;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--dark);color:#fff;font-weight:600}
.compare-table th.highlight{background:var(--primary)}
.compare-table td:first-child{text-align:left;font-weight:500}
.compare-table .highlight{background:rgba(46,204,113,0.05)}
.check{color:var(--primary);font-weight:bold}
.cross{color:#e74c3c;font-weight:bold}
/* News */
.news-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px}
.news-tab{padding:8px 20px;border-radius:20px;font-size:0.9rem;cursor:pointer;transition:var(--transition);background:var(--light);border:1px solid var(--border)}
.news-tab.active,.news-tab:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}
.news-card-img{height:180px;overflow:hidden}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-card-img img{transform:scale(1.05)}
.news-card-body{padding:20px}
.news-card-date{font-size:0.8rem;color:var(--gray);margin-bottom:8px}
.news-card-title{font-size:1rem;font-weight:600;margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-excerpt{font-size:0.85rem;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* Reviews */
.reviews{background:var(--light)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.review-card{background:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
.review-stars{color:#f1c40f;margin-bottom:15px;font-size:1.1rem}
.review-text{font-size:0.9rem;color:var(--text-light);line-height:1.7;margin-bottom:15px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}
.review-name{font-weight:600;font-size:0.9rem}
.review-role{font-size:0.8rem;color:var(--gray)}
/* Download */
.download{background:linear-gradient(135deg,var(--dark) 0%,var(--darker) 100%);color:#fff;text-align:center}
.download .section-header h2{color:#fff}
.download .section-header p{color:rgba(255,255,255,0.7)}
.download-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.download-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius);padding:25px 15px;transition:var(--transition)}
.download-card:hover{background:rgba(255,255,255,0.1);border-color:var(--primary);transform:translateY(-3px)}
.download-icon{font-size:2.5rem;margin-bottom:10px}
.download-platform{font-size:0.9rem;font-weight:600;margin-bottom:5px}
.download-size{font-size:0.75rem;color:rgba(255,255,255,0.5);margin-bottom:15px}
.download-btn{display:inline-block;padding:8px 20px;background:var(--primary);color:#fff;border-radius:8px;font-size:0.85rem;font-weight:500;transition:var(--transition)}
.download-btn:hover{background:var(--primary-dark)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:15px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border)}
.faq-question{padding:20px 25px;font-weight:600;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-answer{padding:0 25px 20px;font-size:0.9rem;color:var(--text-light);line-height:1.8}
.faq-answer ol{padding-left:20px;margin-top:10px}
.faq-answer ol li{margin-bottom:8px}
/* CTA */
.cta{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:60px 0;text-align:center;color:#fff}
.cta h2{font-size:2rem;font-weight:700;margin-bottom:15px}
.cta p{font-size:1.05rem;opacity:0.9;margin-bottom:25px}
.cta .btn{background:#fff;color:var(--primary)}
.cta .btn:hover{background:var(--dark);color:#fff}
/* Footer */
.footer{background:var(--dark);color:rgba(255,255,255,0.7);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:0.9rem;line-height:1.7;margin-top:15px}
.footer-title{color:#fff;font-size:1rem;font-weight:600;margin-bottom:20px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:0.9rem;transition:var(--transition)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:0.85rem}
.footer-sitemap{margin-top:15px;font-size:0.85rem}
.footer-sitemap a{color:rgba(255,255,255,0.5);margin-right:15px}
.footer-sitemap a:hover{color:var(--primary)}
/* News Detail Page */
.news-detail{padding:100px 0 60px}
.news-detail-inner{display:grid;grid-template-columns:1fr 300px;gap:40px}
.news-content{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.news-breadcrumb{display:flex;gap:8px;font-size:0.85rem;color:var(--gray);margin-bottom:20px;flex-wrap:wrap}
.news-breadcrumb a{color:var(--primary)}
.news-meta{display:flex;gap:15px;font-size:0.85rem;color:var(--gray);margin-bottom:25px;flex-wrap:wrap}
.news-meta span{display:flex;align-items:center;gap:5px}
.news-body h2{font-size:1.4rem;font-weight:600;margin:30px 0 15px;color:var(--dark)}
.news-body p{font-size:0.95rem;line-height:1.9;margin-bottom:15px;color:var(--text)}
.news-body img{border-radius:var(--radius);margin:20px 0}
.news-body img+img{margin-top:10px}
.news-sidebar{position:sticky;top:90px;align-self:start}
.sidebar-widget{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.sidebar-title{font-size:1rem;font-weight:600;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sidebar-news-list{list-style:none}
.sidebar-news-list li{padding:10px 0;border-bottom:1px solid var(--border);font-size:0.85rem}
.sidebar-news-list li:last-child{border:none}
.sidebar-news-list a:hover{color:var(--primary)}
.sidebar-category{display:flex;flex-wrap:wrap;gap:8px}
.sidebar-category a{padding:5px 12px;background:var(--light);border-radius:15px;font-size:0.8rem;transition:var(--transition)}
.sidebar-category a:hover{background:var(--primary);color:#fff}
.news-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid var(--border)}
.news-nav a{font-size:0.9rem;color:var(--primary)}
.news-comments{margin-top:40px}
.comment{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--border)}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0}
.comment-content{flex:1}
.comment-author{font-weight:600;font-size:0.9rem;margin-bottom:3px}
.comment-date{font-size:0.8rem;color:var(--gray);margin-bottom:8px}
.comment-text{font-size:0.85rem;color:var(--text-light);line-height:1.6}
.related-news{margin-top:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
/* 404 Page */
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--light)}
.page-404 h1{font-size:8rem;font-weight:800;color:var(--primary);line-height:1}
.page-404 p{font-size:1.2rem;color:var(--text-light);margin:20px 0 30px}
/* Responsive */
@media(max-width:1024px){
.hero-inner{grid-template-columns:1fr;text-align:center}
.simulator{max-width:500px;margin:0 auto}
.features-grid,.scenarios-grid,.news-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
.trust-grid{grid-template-columns:repeat(2,1fr)}
.download-grid{grid-template-columns:repeat(3,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.news-detail-inner{grid-template-columns:1fr}
.news-sidebar{position:static}
}
@media(max-width:768px){
.nav{display:none}
.mobile-menu-btn{display:flex}
.hero-content h1{font-size:2rem}
.features-grid,.scenarios-grid,.news-grid,.reviews-grid,.related-grid{grid-template-columns:1fr}
.download-grid{grid-template-columns:repeat(2,1fr)}
.compare-table{font-size:0.8rem}
.compare-table th,.compare-table td{padding:10px}
.footer-grid{grid-template-columns:1fr}
}