*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#1e88e5;--primary-dark:#0d47a1;--accent:#00c853;--bg:#f5f7fa;--text:#333;--text-light:#666;--border:#e0e0e0;--shadow:0 2px 12px rgba(0,0,0,.08)}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:var(--text);background:var(--bg)}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.header{background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:700;color:var(--primary-dark)}
.logo img{width:36px;height:36px;border-radius:8px}
.nav{display:flex;gap:30px}
.nav a{color:var(--text);font-weight:500}
.nav a:hover{color:var(--primary)}
.btn{display:inline-block;padding:12px 28px;border-radius:8px;font-weight:600;text-align:center;transition:all .3s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(30,136,229,.3)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#00a844;color:#fff;transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
/* Hero */
.hero{background:linear-gradient(135deg,#1e88e5 0%,#0d47a1 100%);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:rgba(255,255,255,.05);border-radius:50%}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content h1{font-size:48px;line-height:1.2;margin-bottom:20px}
.hero-content p{font-size:18px;opacity:.9;margin-bottom:30px}
.hero-buttons{display:flex;gap:15px;flex-wrap:wrap}
/* Simulator */
.simulator{background:#1a1a2e;border-radius:16px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.3);position:relative}
.simulator-header{display:flex;align-items:center;gap:8px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}
.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-body{padding:20px 0}
.simulator-nav{display:flex;gap:15px;margin-bottom:20px}
.simulator-nav a{color:rgba(255,255,255,.7);font-size:14px;padding:6px 12px;border-radius:6px;transition:all .2s}
.simulator-nav a:hover,.simulator-nav a.active{background:rgba(255,255,255,.1);color:#fff}
.simulator-content{background:rgba(255,255,255,.05);border-radius:12px;padding:20px;min-height:200px}
.simulator-content h3{color:#fff;margin-bottom:10px;font-size:18px}
.simulator-content p{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:15px}
.simulator-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:20px}
.stat-item{text-align:center;padding:15px;background:rgba(255,255,255,.05);border-radius:8px}
.stat-item .value{font-size:24px;font-weight:700;color:var(--accent)}
.stat-item .label{font-size:12px;color:rgba(255,255,255,.6);margin-top:5px}
/* Announcement */
.announcement{background:#fff3cd;border:1px solid #ffc107;padding:15px 20px;border-radius:8px;margin:30px 0}
.announcement strong{color:#856404}
/* Section */
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:36px;margin-bottom:15px;color:var(--text)}
.section-title p{font-size:18px;color:var(--text-light)}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:#fff;padding:30px;border-radius:12px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.feature-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:28px}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--text-light);font-size:15px}
/* Compare */
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;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(--primary);color:#fff;font-weight:600}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{text-align:left;font-weight:500}
.check{color:var(--accent);font-weight:700}
.cross{color:#e53935;font-weight:700}
/* News Tabs */
.news-tabs{display:flex;gap:10px;margin-bottom:30px;justify-content:center;flex-wrap:wrap}
.news-tab{padding:10px 24px;border-radius:20px;background:#fff;color:var(--text);cursor:pointer;transition:all .2s;border:2px solid var(--border)}
.news-tab:hover,.news-tab.active{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:12px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s}
.news-card:hover{transform:translateY(-5px)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card-content{padding:20px}
.news-card-content h3{font-size:16px;margin-bottom:10px;line-height:1.4}
.news-card-content p{font-size:14px;color:var(--text-light);margin-bottom:15px}
.news-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-light)}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.review-card{background:#fff;padding:25px;border-radius:12px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.review-info h4{font-size:15px;margin-bottom:2px}
.review-info span{font-size:12px;color:var(--text-light)}
.review-stars{color:#ffc107;margin-bottom:10px}
.review-text{font-size:14px;color:var(--text-light);line-height:1.6}
/* Download */
.download-section{background:linear-gradient(135deg,#1e88e5 0%,#0d47a1 100%);color:#fff;text-align:center}
.download-platforms{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:40px}
.platform-btn{background:rgba(255,255,255,.15);backdrop-filter:blur(10px);padding:20px 30px;border-radius:12px;display:flex;align-items:center;gap:12px;transition:all .3s;min-width:160px}
.platform-btn:hover{background:rgba(255,255,255,.25);transform:translateY(-3px)}
.platform-btn .icon{font-size:32px}
.platform-btn .text{text-align:left}
.platform-btn .text small{display:block;font-size:11px;opacity:.8}
.platform-btn .text strong{display:block;font-size:16px}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.trust-item{padding:30px;background:#fff;border-radius:12px;box-shadow:var(--shadow)}
.trust-item .icon{font-size:48px;margin-bottom:15px}
.trust-item h4{font-size:16px;margin-bottom:8px}
.trust-item p{font-size:13px;color:var(--text-light)}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.scenario-card{background:#fff;padding:30px;border-radius:12px;box-shadow:var(--shadow);display:flex;gap:20px;align-items:flex-start}
.scenario-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}
.scenario-content h3{font-size:18px;margin-bottom:8px}
.scenario-content p{font-size:14px;color:var(--text-light)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:15px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{padding:20px 25px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question:hover{background:var(--bg)}
.faq-answer{padding:0 25px 20px;color:var(--text-light);font-size:15px;line-height:1.8}
.faq-answer ol{padding-left:20px;margin-top:10px}
.faq-answer ol li{margin-bottom:8px}
/* CTA */
.cta-section{background:linear-gradient(135deg,#00c853 0%,#00a844 100%);color:#fff;text-align:center;padding:60px 0}
.cta-section h2{font-size:32px;margin-bottom:15px}
.cta-section p{font-size:18px;opacity:.9;margin-bottom:30px}
/* Footer */
.footer{background:#1a1a2e;color:rgba(255,255,255,.7);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:#fff;margin-bottom:20px;font-size:16px}
.footer-col p{font-size:14px;line-height:1.8;margin-bottom:15px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:30px;text-align:center;font-size:13px}
/* Breadcrumb */
.breadcrumb{padding:20px 0;font-size:14px;color:var(--text-light)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 8px}
/* Article */
.article-container{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:40px 0}
.article-main{background:#fff;border-radius:12px;padding:40px;box-shadow:var(--shadow)}
.article-main h1{font-size:32px;margin-bottom:20px;line-height:1.3}
.article-meta{display:flex;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:30px;font-size:14px;color:var(--text-light)}
.article-content{font-size:16px;line-height:1.8}
.article-content h2{font-size:24px;margin:30px 0 15px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.article-content p{margin-bottom:20px}
.article-content img{max-width:100%;border-radius:8px;margin:20px 0}
.article-content blockquote{background:var(--bg);padding:20px;border-left:4px solid var(--primary);margin:20px 0;border-radius:0 8px 8px 0}
.article-sidebar{position:sticky;top:90px;align-self:start}
.sidebar-widget{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.sidebar-widget h3{font-size:16px;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sidebar-widget ul{list-style:none}
.sidebar-widget ul li{padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}
.sidebar-widget ul li:last-child{border-bottom:none}
.sidebar-widget ul li a{color:var(--text)}
.sidebar-widget ul li a:hover{color:var(--primary)}
.toc-list{list-style:none}
.toc-list li{padding:6px 0}
.toc-list li a{color:var(--text-light);font-size:13px}
.toc-list li a:hover{color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;padding:30px 0;border-top:1px solid var(--border);margin-top:30px}
.article-nav a{color:var(--primary);font-size:14px}
.related-articles{margin-top:40px}
.related-articles h3{font-size:20px;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
/* Comments */
.comments-section{margin-top:40px;padding-top:30px;border-top:1px solid var(--border)}
.comments-section h3{font-size:20px;margin-bottom:20px}
.comment-item{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--border)}
.comment-item:last-child{border-bottom:none}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.comment-content{flex:1}
.comment-header{display:flex;justify-content:space-between;margin-bottom:8px}
.comment-header h4{font-size:14px}
.comment-header span{font-size:12px;color:var(--text-light)}
.comment-text{font-size:14px;color:var(--text-light);line-height:1.6}
/* Category Page */
.category-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:60px 0;text-align:center}
.category-header h1{font-size:36px;margin-bottom:15px}
.category-header p{font-size:18px;opacity:.9}
.category-content{padding:60px 0}
.category-faq{max-width:900px;margin:0 auto}
.category-faq-item{background:#fff;border-radius:12px;padding:30px;margin-bottom:20px;box-shadow:var(--shadow)}
.category-faq-item h3{font-size:20px;margin-bottom:15px;color:var(--primary-dark)}
.category-faq-item ol{padding-left:20px}
.category-faq-item ol li{margin-bottom:12px;line-height:1.7;color:var(--text-light)}
/* 404 Page */
.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,#1e88e5 0%,#0d47a1 100%);color:#fff}
.error-content h1{font-size:120px;font-weight:700;margin-bottom:20px}
.error-content p{font-size:20px;margin-bottom:30px;opacity:.9}
/* Responsive */
@media(max-width:992px){
.hero .container{grid-template-columns:1fr}
.simulator{margin-top:40px}
.features-grid,.news-grid,.reviews-grid,.scenarios-grid{grid-template-columns:1fr}
.trust-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.article-container{grid-template-columns:1fr}
.article-sidebar{position:static}
.related-grid{grid-template-columns:1fr}
}
@media(max-width:576px){
.hero-content h1{font-size:32px}
.section-title h2{font-size:28px}
.download-platforms{flex-direction:column;align-items:center}
.trust-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}