*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6C5CE7;--primary-dark:#5A4BD1;--secondary:#00D2D3;--accent:#FF6B6B;--bg:#0F0F1A;--bg-card:#1A1A2E;--bg-card-hover:#252540;--text:#E8E8F0;--text-muted:#9999AA;--border:#2A2A40;--gradient:linear-gradient(135deg,#6C5CE7,#00D2D3);--shadow:0 8px 32px rgba(108,92,231,0.15)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--secondary);text-decoration:none;transition:color .3s}
a:hover{color:var(--primary)}
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(15,15,26,0.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:12px 0}
.header .container{display:flex;align-items:center;justify-content:space-between}
.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}
.logo span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--text-muted);font-size:.95rem;font-weight:500;transition:color .3s}
.nav a:hover{color:var(--secondary)}
.nav-cta{background:var(--gradient);color:#fff!important;padding:8px 22px;border-radius:20px;font-weight:600}
.nav-cta:hover{opacity:.9;transform:translateY(-1px)}
.mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}
/* Hero */
.hero{padding:140px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(108,92,231,0.15),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:16px}
.hero-content h1 em{font-style:normal;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-content .subtitle{font-size:1.15rem;color:var(--text-muted);margin-bottom:30px;max-width:500px}
.hero-badges{display:flex;gap:12px;margin-bottom:30px;flex-wrap:wrap}
.hero-badge{background:var(--bg-card);border:1px solid var(--border);padding:6px 14px;border-radius:20px;font-size:.85rem;color:var(--text-muted)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-weight:600;font-size:1rem;transition:all .3s;border:none;cursor:pointer}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(108,92,231,0.3);color:#fff}
.btn-outline{background:transparent;color:var(--text);border:2px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
/* Simulator */
.simulator{position:relative;perspective:1000px}
.simulator-frame{background:var(--bg-card);border-radius:20px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow);transform:rotateY(-5deg) rotateX(2deg);transition:transform .5s}
.simulator-frame:hover{transform:rotateY(0) rotateX(0)}
.simulator-bar{background:var(--bg);padding:10px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border)}
.simulator-dot{width:10px;height:10px;border-radius:50%}
.simulator-dot:nth-child(1){background:#FF5F57}
.simulator-dot:nth-child(2){background:#FFBD2E}
.simulator-dot:nth-child(3){background:#28CA41}
.simulator-url{flex:1;background:var(--bg-card);border-radius:6px;padding:4px 12px;font-size:.75rem;color:var(--text-muted);margin-left:10px}
.simulator-screen{padding:20px;min-height:350px;position:relative}
.sim-screen{display:none;animation:fadeIn .5s}
.sim-screen.active{display:block}
.sim-nav{display:flex;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.sim-nav-item{width:50px;height:6px;background:var(--border);border-radius:3px}
.sim-nav-item:first-child{background:var(--primary);width:60px}
.sim-title{height:14px;background:var(--gradient);border-radius:4px;width:70%;margin-bottom:10px}
.sim-text{height:8px;background:var(--border);border-radius:4px;margin-bottom:6px}
.sim-text:nth-child(odd){width:90%}
.sim-text:nth-child(even){width:75%}
.sim-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.sim-card{background:var(--bg);border-radius:8px;padding:12px;border:1px solid var(--border)}
.sim-card-icon{width:24px;height:24px;background:var(--gradient);border-radius:6px;margin-bottom:8px}
.sim-card-title{height:8px;background:var(--text-muted);border-radius:4px;width:60%;margin-bottom:6px}
.sim-card-text{height:6px;background:var(--border);border-radius:4px}
.sim-btn{display:inline-block;background:var(--gradient);padding:8px 20px;border-radius:8px;margin-top:12px}
.sim-btn-text{height:6px;background:rgba(255,255,255,0.8);border-radius:3px;width:50px}
.sim-tabs{display:flex;gap:8px;margin-bottom:14px}
.sim-tab{padding:4px 12px;border-radius:6px;background:var(--border);font-size:.7rem;color:var(--text-muted)}
.sim-tab.active{background:var(--primary);color:#fff}
.sim-article{background:var(--bg);border-radius:8px;padding:12px;margin-bottom:10px;border:1px solid var(--border)}
.sim-article-title{height:8px;background:var(--text);border-radius:4px;width:80%;margin-bottom:8px}
.sim-article-meta{height:6px;background:var(--border);border-radius:4px;width:40%;margin-bottom:6px}
.sim-faq-item{background:var(--bg);border-radius:8px;padding:10px 12px;margin-bottom:8px;border:1px solid var(--border)}
.sim-faq-q{height:8px;background:var(--secondary);border-radius:4px;width:70%;margin-bottom:6px}
.sim-faq-a{height:6px;background:var(--border);border-radius:4px;width:90%}
.sim-dl-platforms{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.sim-dl-btn{padding:6px 14px;border-radius:8px;background:var(--bg);border:1px solid var(--border);font-size:.7rem;color:var(--text-muted)}
.simulator-indicators{display:flex;justify-content:center;gap:8px;margin-top:16px}
.sim-indicator{width:8px;height:8px;border-radius:50%;background:var(--border);cursor:pointer;transition:all .3s}
.sim-indicator.active{background:var(--primary);width:24px;border-radius:4px}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
/* Announcement */
.announcement{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px 24px;margin:-30px auto 60px;max-width:900px;display:flex;align-items:center;gap:14px}
.announcement-icon{background:var(--gradient);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem}
.announcement-text{flex:1;font-size:.95rem;color:var(--text-muted)}
.announcement-text strong{color:var(--secondary)}
.announcement a{color:var(--secondary);font-weight:600}
/* 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:12px}
.section-header p{color:var(--text-muted);font-size:1.05rem;max-width:600px;margin:0 auto}
.section-tag{display:inline-block;background:rgba(108,92,231,0.15);color:var(--primary);padding:4px 14px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:12px}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:30px;transition:all .3s}
.feature-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow)}
.feature-icon{width:52px;height:52px;background:var(--gradient);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px}
.feature-card h3{font-size:1.15rem;margin-bottom:10px}
.feature-card p{color:var(--text-muted);font-size:.93rem;line-height:1.6}
/* Comparison */
.comparison-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:16px;overflow:hidden;border:1px solid var(--border)}
.comparison-table th,.comparison-table td{padding:16px 20px;text-align:center;border-bottom:1px solid var(--border)}
.comparison-table th{background:var(--bg);font-weight:600;font-size:.95rem}
.comparison-table th.highlight{background:var(--primary);color:#fff}
.comparison-table td:first-child{text-align:left;font-weight:500}
.comparison-table tr:last-child td{border-bottom:none}
.check{color:#28CA41;font-weight:700;font-size:1.2rem}
.cross{color:#FF5F57;font-weight:700;font-size:1.2rem}
.partial{color:#FFBD2E;font-weight:600}
/* News Tabs */
.news-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.news-tab{padding:10px 24px;border-radius:10px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);font-weight:500;transition:all .3s}
.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:20px}
.news-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:all .3s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news-card-img{height:160px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:2.5rem;opacity:.7}
.news-card-body{padding:20px}
.news-card-cat{font-size:.8rem;color:var(--primary);font-weight:600;margin-bottom:8px}
.news-card-body h3{font-size:1rem;margin-bottom:8px;line-height:1.4}
.news-card-body h3 a{color:var(--text)}
.news-card-body h3 a:hover{color:var(--secondary)}
.news-card-meta{font-size:.82rem;color:var(--text-muted);display:flex;gap:12px}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px}
.review-stars{color:#FFBD2E;font-size:1.1rem;margin-bottom:12px;letter-spacing:2px}
.review-text{color:var(--text-muted);font-size:.95rem;line-height:1.7;margin-bottom:18px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:42px;height:42px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:1rem}
.review-name{font-weight:600;font-size:.95rem}
.review-role{font-size:.82rem;color:var(--text-muted)}
/* Download */
.download-section{background:var(--bg-card);border-radius:20px;padding:50px;border:1px solid var(--border);text-align:center}
.download-platforms{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:30px}
.dl-btn{display:flex;flex-direction:column;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:20px 28px;transition:all .3s;min-width:130px;color:var(--text)}
.dl-btn:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow);color:var(--text)}
.dl-btn-icon{font-size:2rem}
.dl-btn-label{font-weight:600;font-size:.95rem}
.dl-btn-sub{font-size:.78rem;color:var(--text-muted)}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust-item{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:28px 20px}
.trust-number{font-size:2.2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.trust-label{color:var(--text-muted);font-size:.9rem}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:24px;text-align:center;transition:all .3s}
.scenario-card:hover{border-color:var(--secondary);transform:translateY(-3px)}
.scenario-icon{font-size:2.5rem;margin-bottom:14px}
.scenario-card h3{font-size:1.05rem;margin-bottom:8px}
.scenario-card p{color:var(--text-muted);font-size:.9rem}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-question{padding:20px 24px;font-weight:600;font-size:1.05rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question::after{content:'+';font-size:1.4rem;color:var(--primary);transition:transform .3s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;color:var(--text-muted);font-size:.95rem;line-height:1.8;display:none}
.faq-item.open .faq-answer{display:block}
.faq-steps{list-style:none;counter-reset:step}
.faq-steps li{counter-increment:step;padding:6px 0 6px 32px;position:relative}
.faq-steps li::before{content:counter(step);position:absolute;left:0;top:6px;width:22px;height:22px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#fff;font-weight:700}
/* CTA */
.cta-section{text-align:center;padding:80px 0}
.cta-section h2{font-size:2.4rem;font-weight:700;margin-bottom:14px}
.cta-section p{color:var(--text-muted);font-size:1.1rem;margin-bottom:30px}
/* Footer */
.footer{background:var(--bg-card);border-top:1px solid var(--border);padding:50px 0 30px}
.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:.9rem;margin-top:12px;line-height:1.7}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:var(--text)}
.footer-col a{display:block;color:var(--text-muted);font-size:.9rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{color:var(--text-muted);font-size:.85rem}
.footer-sitemap{font-size:.85rem}
/* News Page */
.news-page-header{padding:120px 0 40px;text-align:center}
.news-page-header h1{font-size:2.4rem;font-weight:700;margin-bottom:10px}
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding-bottom:60px}
.news-main article{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:30px;margin-bottom:24px}
.news-main article h2{font-size:1.3rem;margin-bottom:10px}
.news-main article h2 a{color:var(--text)}
.news-main article h2 a:hover{color:var(--secondary)}
.news-meta{display:flex;gap:14px;font-size:.85rem;color:var(--text-muted);margin-bottom:14px}
.news-excerpt{color:var(--text-muted);font-size:.95rem;line-height:1.7}
.news-sidebar{position:sticky;top:100px;align-self:start}
.sidebar-widget{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:20px}
.sidebar-widget h3{font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.sidebar-widget ul{list-style:none}
.sidebar-widget li{padding:6px 0}
.sidebar-widget li a{color:var(--text-muted);font-size:.9rem;transition:color .3s}
.sidebar-widget li a:hover{color:var(--secondary)}
/* Article Page */
.article-header{padding:120px 0 30px}
.breadcrumb{display:flex;gap:8px;font-size:.9rem;color:var(--text-muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--secondary)}
.breadcrumb span{color:var(--text)}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding-bottom:60px}
.article-content{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:36px}
.article-content h1{font-size:2rem;font-weight:700;margin-bottom:14px;line-height:1.3}
.article-info{display:flex;gap:16px;font-size:.88rem;color:var(--text-muted);margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.article-body{color:var(--text);line-height:1.9;font-size:1rem}
.article-body h2{font-size:1.4rem;font-weight:700;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--primary)}
.article-body p{margin-bottom:16px;color:var(--text);line-height:1.9}
.article-body img{border-radius:12px;margin:20px 0;border:1px solid var(--border)}
.article-body blockquote{background:var(--bg);border-left:4px solid var(--secondary);padding:16px 20px;border-radius:0 10px 10px 0;margin:20px 0;color:var(--text-muted)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--border);text-align:left}
.article-body th{background:var(--bg);font-weight:600}
.article-toc{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:18px;margin:20px 0}
.article-toc h4{font-size:.95rem;margin-bottom:10px;color:var(--text-muted)}
.article-toc ul{list-style:none}
.article-toc li{padding:4px 0}
.article-toc a{color:var(--text-muted);font-size:.9rem}
.article-toc a:hover{color:var(--secondary)}
.article-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid var(--border);gap:16px}
.article-nav a{color:var(--text-muted);font-size:.9rem;max-width:45%}
.article-nav a:hover{color:var(--secondary)}
/* Comments */
.comments-section{margin-top:30px}
.comments-section h3{font-size:1.2rem;margin-bottom:20px}
.comment{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:14px}
.comment-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.comment-avatar{width:36px;height:36px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:.85rem}
.comment-name{font-weight:600;font-size:.92rem}
.comment-date{font-size:.8rem;color:var(--text-muted)}
.comment-text{color:var(--text-muted);font-size:.92rem;line-height:1.7}
/* Related */
.related-articles{margin-top:30px}
.related-articles h3{font-size:1.2rem;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:16px;transition:all .3s}
.related-card:hover{border-color:var(--primary)}
.related-card h4{font-size:.92rem;margin-bottom:6px;line-height:1.4}
.related-card h4 a{color:var(--text)}
.related-card h4 a:hover{color:var(--secondary)}
.related-card span{font-size:.8rem;color:var(--text-muted)}
/* 404 */
.page-404{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;text-align:center;padding:40px 20px}
.page-404 h1{font-size:6rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:16px}
.page-404 p{color:var(--text-muted);font-size:1.1rem;margin-bottom:30px}
.countdown{color:var(--secondary);font-weight:600}
/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}
.pagination a{padding:8px 14px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);font-size:.9rem}
.pagination a.active,.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
/* Responsive */
@media(max-width:1024px){
.hero .container{grid-template-columns:1fr}
.simulator{display:none}
.features-grid,.news-grid,.reviews-grid,.scenarios-grid{grid-template-columns:repeat(2,1fr)}
.trust-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.news-layout,.article-layout{grid-template-columns:1fr}
.news-sidebar{position:static}
.related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.hero-content h1{font-size:2rem}
.features-grid,.news-grid,.reviews-grid,.scenarios-grid,.trust-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.nav{display:none}
.mobile-toggle{display:block}
.comparison-table{font-size:.85rem}
.comparison-table th,.comparison-table td{padding:10px 8px}
.download-section{padding:30px 20px}
.related-grid{grid-template-columns:1fr}
.article-nav{flex-direction:column}
.article-nav a{max-width:100%}
}