*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#12161c;--secondary:#1e2329;--accent:#2cce9d;--accent-hover:#25b88a;--text:#eaecef;--text-muted:#848e9c;--border:#2b3139;--card-bg:#1e2329;--hover-bg:#2b3139;--gradient:linear-gradient(135deg,#2cce9d 0%,#1aa87a 100%);--shadow:0 4px 24px rgba(0,0,0,.3)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--primary);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-hover)}
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(18,22,28,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;color:var(--text)}
.logo img{width:32px;height:32px;border-radius:6px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--text-muted);font-size:.9rem;font-weight:500;transition:color .2s}
.nav a:hover{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:16px}
.lang-switch{background:var(--secondary);border:1px solid var(--border);color:var(--text);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.85rem}
.btn-primary{background:var(--gradient);color:#fff;padding:10px 24px;border-radius:8px;font-weight:600;font-size:.9rem;display:inline-block;transition:transform .2s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(44,206,157,.3);color:#fff}
.btn-outline{border:1px solid var(--accent);color:var(--accent);padding:10px 24px;border-radius:8px;font-weight:600;font-size:.9rem;display:inline-block;transition:all .2s}
.btn-outline:hover{background:var(--accent);color:#fff}
/* Hero */
.hero{padding:120px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(44,206,157,.08) 0%,transparent 70%);border-radius:50%}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content h1{font-size:2.8rem;font-weight:800;line-height:1.2;margin-bottom:20px}
.hero-content h1 span{color:var(--accent)}
.hero-content p{font-size:1.1rem;color:var(--text-muted);margin-bottom:32px;line-height:1.8}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
/* Simulator */
.simulator{background:var(--secondary);border-radius:16px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.simulator-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--primary);border-bottom:1px solid var(--border)}
.simulator-dot{width:10px;height:10px;border-radius:50%}
.simulator-dot.red{background:#ff5f57}
.simulator-dot.yellow{background:#ffbd2e}
.simulator-dot.green{background:#28c840}
.simulator-url{flex:1;background:var(--secondary);border-radius:6px;padding:6px 12px;font-size:.75rem;color:var(--text-muted);margin-left:12px}
.simulator-body{padding:20px}
.sim-nav{display:flex;gap:16px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.sim-nav a{font-size:.8rem;color:var(--text-muted)}
.sim-chart{display:flex;align-items:flex-end;gap:4px;height:120px;margin-bottom:16px}
.sim-bar{flex:1;background:var(--gradient);border-radius:3px 3px 0 0;opacity:.7;transition:opacity .3s}
.sim-bar:hover{opacity:1}
.sim-price{display:flex;justify-content:space-between;align-items:center;padding:12px;background:var(--primary);border-radius:8px;margin-bottom:12px}
.sim-price .price{font-size:1.5rem;font-weight:700;color:var(--accent)}
.sim-price .change{font-size:.9rem;color:var(--accent)}
.sim-pairs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sim-pair{padding:10px;background:var(--primary);border-radius:8px;display:flex;justify-content:space-between;align-items:center}
.sim-pair .name{font-size:.8rem;font-weight:600}
.sim-pair .val{font-size:.75rem;color:var(--text-muted)}
/* Sections */
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:2rem;font-weight:700;margin-bottom:12px}
.section-title p{color:var(--text-muted);font-size:1rem}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:32px;transition:transform .3s,border-color .3s}
.feature-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.feature-icon{width:48px;height:48px;background:var(--gradient);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.4rem}
.feature-card h3{font-size:1.1rem;margin-bottom:10px}
.feature-card p{color:var(--text-muted);font-size:.9rem;line-height:1.7}
/* Announcement */
.announcement{background:var(--secondary);border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:40px}
.announcement-list{list-style:none}
.announcement-list li{padding:12px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.announcement-list li:last-child{border-bottom:none}
.announcement-list .tag{background:rgba(44,206,157,.1);color:var(--accent);padding:3px 10px;border-radius:4px;font-size:.75rem;margin-right:12px}
.announcement-list .date{color:var(--text-muted);font-size:.8rem}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.trust-item{padding:32px 20px}
.trust-item .number{font-size:2.4rem;font-weight:800;color:var(--accent);margin-bottom:8px}
.trust-item .label{color:var(--text-muted);font-size:.9rem}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scenario-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:32px;display:flex;gap:20px;align-items:flex-start}
.scenario-card .icon{width:56px;height:56px;background:rgba(44,206,157,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.scenario-card h3{font-size:1rem;margin-bottom:8px}
.scenario-card p{color:var(--text-muted);font-size:.85rem;line-height:1.7}
/* Comparison */
.comparison-table{width:100%;border-collapse:collapse;background:var(--card-bg);border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.comparison-table th{background:var(--secondary);padding:16px;text-align:left;font-size:.9rem;font-weight:600;border-bottom:1px solid var(--border)}
.comparison-table td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:.85rem}
.comparison-table tr:last-child td{border-bottom:none}
.comparison-table .highlight{background:rgba(44,206,157,.05)}
.check{color:var(--accent);font-weight:700}
.cross{color:#f6465d;font-weight:700}
/* News Tabs */
.news-tabs{display:flex;gap:12px;margin-bottom:24px}
.news-tab{padding:8px 20px;border-radius:8px;background:var(--secondary);border:1px solid var(--border);color:var(--text-muted);font-size:.85rem;cursor:pointer;transition:all .2s}
.news-tab.active,.news-tab:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:transform .3s}
.news-card:hover{transform:translateY(-4px)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card-body{padding:20px}
.news-card-body .category{font-size:.75rem;color:var(--accent);margin-bottom:8px}
.news-card-body h3{font-size:.95rem;margin-bottom:8px;line-height:1.4}
.news-card-body .date{font-size:.8rem;color:var(--text-muted)}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:28px}
.review-stars{color:#f0b90b;margin-bottom:12px;font-size:1rem}
.review-text{color:var(--text-muted);font-size:.9rem;line-height:1.7;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:#fff}
.review-name{font-size:.85rem;font-weight:600}
.review-role{font-size:.75rem;color:var(--text-muted)}
/* Download */
.download-section{background:var(--secondary);border-radius:16px;padding:48px;border:1px solid var(--border)}
.download-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;text-align:center}
.download-item{padding:24px 16px;background:var(--primary);border-radius:12px;border:1px solid var(--border);transition:border-color .3s}
.download-item:hover{border-color:var(--accent)}
.download-item .platform-icon{font-size:2rem;margin-bottom:12px}
.download-item h4{font-size:.9rem;margin-bottom:8px}
.download-item p{font-size:.75rem;color:var(--text-muted);margin-bottom:12px}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;overflow:hidden}
.faq-question{padding:20px 24px;font-weight:600;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-answer{padding:0 24px 20px;color:var(--text-muted);font-size:.9rem;line-height:1.8}
.faq-steps{list-style:none;counter-reset:step}
.faq-steps li{counter-increment:step;padding:8px 0 8px 36px;position:relative}
.faq-steps li::before{content:counter(step);position:absolute;left:0;top:8px;width:24px;height:24px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff}
/* CTA */
.cta-section{text-align:center;padding:80px 0;background:linear-gradient(180deg,var(--primary) 0%,var(--secondary) 100%)}
.cta-section h2{font-size:2rem;margin-bottom:16px}
.cta-section p{color:var(--text-muted);margin-bottom:32px;font-size:1.1rem}
/* Footer */
.footer{background:var(--secondary);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-muted);font-size:.85rem;line-height:1.7;margin-top:16px}
.footer-col h4{font-size:.9rem;margin-bottom:16px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--text-muted);font-size:.85rem}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{color:var(--text-muted);font-size:.8rem}
/* Breadcrumb */
.breadcrumb{padding:80px 0 20px;font-size:.85rem}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb span{color:var(--text-muted);margin:0 8px}
/* News Article */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;padding-bottom:60px}
.article-content{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:40px}
.article-content h1{font-size:1.8rem;margin-bottom:16px;line-height:1.4}
.article-meta{display:flex;gap:16px;color:var(--text-muted);font-size:.85rem;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article-content h2{font-size:1.3rem;margin:32px 0 16px;padding-top:16px;border-top:1px solid var(--border)}
.article-content p{color:var(--text-muted);font-size:.95rem;line-height:1.9;margin-bottom:16px}
.article-content img{border-radius:8px;margin:20px 0}
.article-sidebar{position:sticky;top:80px;align-self:start}
.sidebar-widget{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:20px}
.sidebar-widget h3{font-size:1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.sidebar-widget ul{list-style:none}
.sidebar-widget ul li{padding:10px 0;border-bottom:1px solid var(--border)}
.sidebar-widget ul li:last-child{border-bottom:none}
.sidebar-widget ul li a{color:var(--text-muted);font-size:.85rem;display:block}
.sidebar-widget ul li a:hover{color:var(--accent)}
.article-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
.related-articles{margin-top:40px}
.related-articles h3{font-size:1.2rem;margin-bottom:20px}
/* Comments */
.comments-section{margin-top:40px}
.comments-section h3{font-size:1.2rem;margin-bottom:20px}
.comment{background:var(--primary);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:12px}
.comment-header{display:flex;justify-content:space-between;margin-bottom:10px}
.comment-author{font-weight:600;font-size:.9rem}
.comment-date{color:var(--text-muted);font-size:.8rem}
.comment-text{color:var(--text-muted);font-size:.85rem;line-height:1.7}
/* 404 */
.page-404{text-align:center;padding:160px 0}
.page-404 h1{font-size:6rem;font-weight:800;color:var(--accent);margin-bottom:20px}
.page-404 p{color:var(--text-muted);font-size:1.1rem;margin-bottom:32px}
/* Sitemap */
.sitemap-page{padding:100px 0 60px}
.sitemap-page h1{font-size:2rem;margin-bottom:32px}
.sitemap-links{columns:3;column-gap:24px;list-style:none}
.sitemap-links li{padding:8px 0;break-inside:avoid}
.sitemap-links li a{color:var(--text-muted);font-size:.9rem}
.sitemap-links li a:hover{color:var(--accent)}
/* Mobile */
@media(max-width:768px){
.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)}
.download-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr}
.article-layout{grid-template-columns:1fr}
.article-sidebar{position:static}
.nav{display:none}
.comparison-table{font-size:.8rem}
.sitemap-links{columns:1}
}