*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6d4aff;--primary-dark:#5535d6;--secondary:#1b1448;--accent:#00c8b4;--bg:#f7f8fc;--text:#2d2d3a;--text-light:#6b6b80;--white:#fff;--border:#e4e4ef;--shadow:0 4px 24px rgba(109,74,255,.08);--radius:12px}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.site-header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);background:rgba(255,255,255,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:1.5rem;font-weight:800;color:var(--secondary);display:flex;align-items:center;gap:8px}
.logo span{color:var(--primary)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--text);font-weight:500;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-cta{display:flex;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .25s;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-1px);box-shadow:0 6px 20px rgba(109,74,255,.3)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-lg{padding:14px 36px;font-size:1.05rem;border-radius:10px}
.btn-sm{padding:7px 16px;font-size:.85rem}
/* Hero */
.hero{padding:80px 0 60px;background:linear-gradient(135deg,#f0edff 0%,#e8f4f8 50%,#f7f8fc 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{font-size:2.8rem;font-weight:800;line-height:1.25;color:var(--secondary);margin-bottom:20px}
.hero-text h1 em{font-style:normal;color:var(--primary);position:relative}
.hero-text p{font-size:1.15rem;color:var(--text-light);margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:1.8rem;font-weight:800;color:var(--primary)}
.hero-stat .label{font-size:.85rem;color:var(--text-light)}
/* Client Simulator */
.simulator{position:relative;background:var(--secondary);border-radius:20px;padding:24px;box-shadow:0 20px 60px rgba(27,20,72,.25);max-width:480px;margin:0 auto}
.sim-top{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.sim-dot{width:12px;height:12px;border-radius:50%}
.sim-dot.r{background:#ff5f57}.sim-dot.y{background:#ffbd2e}.sim-dot.g{background:#28c840}
.sim-screen{background:#1a1245;border-radius:12px;padding:20px;min-height:300px}
.sim-map{background:linear-gradient(135deg,#1b1448,#2a1f6e);border-radius:8px;height:160px;position:relative;overflow:hidden;margin-bottom:16px}
.sim-map::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 200'%3E%3Cpath d='M50,100 Q100,60 150,90 T250,80 T350,100' stroke='%236d4aff' fill='none' stroke-width='1' opacity='.3'/%3E%3Ccircle cx='80' cy='90' r='4' fill='%2300c8b4'/%3E%3Ccircle cx='200' cy='70' r='4' fill='%236d4aff'/%3E%3Ccircle cx='320' cy='95' r='4' fill='%23ff6b6b'/%3E%3C/svg%3E") center/cover}
.sim-info{display:flex;justify-content:space-between;align-items:center}
.sim-server{color:#a8a0e0;font-size:.85rem}
.sim-server strong{color:var(--white);font-size:1rem;display:block;margin-top:2px}
.sim-status{display:flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:.9rem}
.sim-status::before{content:'';width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.sim-speed{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.sim-speed-item{background:rgba(255,255,255,.06);border-radius:8px;padding:12px;text-align:center}
.sim-speed-item .val{color:var(--white);font-size:1.3rem;font-weight:700}
.sim-speed-item .unit{color:#a8a0e0;font-size:.75rem}
.sim-connect-btn{display:block;width:100%;margin-top:16px;padding:12px;background:var(--primary);color:var(--white);border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;text-align:center}
/* Sections */
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2rem;font-weight:700;color:var(--secondary);margin-bottom:12px}
.section-title p{color:var(--text-light);font-size:1.05rem;max-width:600px;margin:0 auto}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--white);border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border);transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}
.feature-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:1.5rem;color:var(--white)}
.feature-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--secondary)}
.feature-card p{color:var(--text-light);font-size:.93rem;line-height:1.65}
/* Announcement */
.announcement{background:linear-gradient(135deg,var(--primary),#8b6aff);border-radius:var(--radius);padding:32px 40px;color:var(--white);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.announcement h3{font-size:1.3rem;font-weight:700}
.announcement p{opacity:.9;margin-top:6px}
/* Trust */
.trust-logos{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap;opacity:.7}
.trust-logo{font-size:1.2rem;font-weight:700;color:var(--text-light);letter-spacing:1px}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scenario-card{text-align:center;padding:28px 16px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border);transition:all .3s}
.scenario-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.scenario-icon{font-size:2.2rem;margin-bottom:12px}
.scenario-card h4{font-size:1rem;font-weight:600;margin-bottom:6px;color:var(--secondary)}
.scenario-card p{font-size:.85rem;color:var(--text-light)}
/* Comparison */
.comparison-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.comparison-table th,.comparison-table td{padding:14px 20px;text-align:center;border-bottom:1px solid var(--border)}
.comparison-table thead{background:var(--secondary);color:var(--white)}
.comparison-table thead th:first-child{text-align:left}
.comparison-table tbody td:first-child{text-align:left;font-weight:600;color:var(--secondary)}
.comparison-table .highlight{background:rgba(109,74,255,.04)}
.check{color:var(--accent);font-weight:700;font-size:1.1rem}
.cross{color:#ccc;font-size:1.1rem}
/* News Tabs */
.news-tabs{display:flex;gap:0;margin-bottom:28px;border-bottom:2px solid var(--border)}
.news-tab{padding:12px 24px;font-weight:600;color:var(--text-light);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .2s}
.news-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);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{height:180px;background:linear-gradient(135deg,#e8e4ff,#d4f0ed);display:flex;align-items:center;justify-content:center;font-size:2.5rem}
.news-card-body{padding:20px}
.news-card-meta{font-size:.8rem;color:var(--text-light);margin-bottom:8px;display:flex;gap:12px}
.news-card h4{font-size:1rem;font-weight:600;margin-bottom:8px;line-height:1.4}
.news-card h4 a{color:var(--secondary)}
.news-card h4 a:hover{color:var(--primary)}
.news-card p{font-size:.88rem;color:var(--text-light);line-height:1.6}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid var(--border)}
.review-stars{color:#ffc107;font-size:1rem;margin-bottom:12px;letter-spacing:2px}
.review-text{font-size:.93rem;color:var(--text);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(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.review-name{font-weight:600;font-size:.9rem}
.review-role{font-size:.8rem;color:var(--text-light)}
/* Download */
.download-section{background:linear-gradient(135deg,var(--secondary),#2a1f6e);color:var(--white);border-radius:20px;padding:60px 40px;text-align:center}
.download-section h2{font-size:2rem;font-weight:700;margin-bottom:12px}
.download-section p{opacity:.85;margin-bottom:36px;font-size:1.05rem}
.download-platforms{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.dl-btn{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);padding:14px 28px;border-radius:10px;font-weight:600;transition:all .25s}
.dl-btn:hover{background:rgba(255,255,255,.22);color:var(--white);transform:translateY(-2px)}
.dl-btn .dl-icon{font-size:1.5rem}
.dl-btn .dl-text{text-align:left}
.dl-btn .dl-text small{display:block;font-size:.7rem;opacity:.7;font-weight:400}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:20px 24px;font-weight:600;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--secondary)}
.faq-q:hover{color:var(--primary)}
.faq-a{padding:0 24px 20px;color:var(--text-light);font-size:.93rem;line-height:1.75}
.faq-a ol{padding-left:20px;margin:8px 0}
.faq-a ol li{margin-bottom:6px}
/* CTA */
.cta-section{text-align:center;padding:80px 0;background:var(--white)}
.cta-section h2{font-size:2.2rem;font-weight:700;color:var(--secondary);margin-bottom:16px}
.cta-section p{color:var(--text-light);font-size:1.1rem;margin-bottom:32px}
/* Footer */
.site-footer{background:var(--secondary);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-brand h3{color:var(--white);font-size:1.3rem;margin-bottom:12px}
.footer-brand p{font-size:.9rem;line-height:1.7}
.footer-col h4{color:var(--white);font-size:.95rem;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:rgba(255,255,255,.6);font-size:.88rem}
.footer-col ul li a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.85rem}
/* Breadcrumb */
.breadcrumb{padding:16px 0;font-size:.88rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 8px}
/* News Article */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:40px 0}
.article-main{background:var(--white);border-radius:var(--radius);padding:40px;border:1px solid var(--border)}
.article-main h1{font-size:1.8rem;font-weight:700;color:var(--secondary);margin-bottom:16px;line-height:1.4}
.article-meta{display:flex;gap:16px;font-size:.88rem;color:var(--text-light);margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.article-content{font-size:1rem;line-height:1.85;color:var(--text)}
.article-content p{margin-bottom:18px}
.article-content h2{font-size:1.35rem;font-weight:700;color:var(--secondary);margin:32px 0 16px;padding-left:12px;border-left:4px solid var(--primary)}
.article-content img{border-radius:8px;margin:20px 0}
.article-content blockquote{background:var(--bg);border-left:4px solid var(--primary);padding:16px 20px;margin:20px 0;border-radius:0 8px 8px 0;font-style:italic;color:var(--text-light)}
.article-sidebar{position:sticky;top:88px;align-self:start}
.sidebar-widget{background:var(--white);border-radius:var(--radius);padding:24px;border:1px solid var(--border);margin-bottom:20px}
.sidebar-widget h3{font-size:1.05rem;font-weight:700;color:var(--secondary);margin-bottom:16px;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:.9rem}
.sidebar-widget ul li:last-child{border:none}
.sidebar-widget ul li a{color:var(--text)}
.sidebar-widget ul li a:hover{color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:20px;border-top:1px solid var(--border);gap:16px;flex-wrap:wrap}
.article-nav a{font-size:.9rem;color:var(--primary);max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.related-articles{margin-top:40px}
.related-articles h3{font-size:1.2rem;font-weight:700;color:var(--secondary);margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
/* Comments */
.comments-section{margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.comments-section h3{font-size:1.1rem;font-weight:700;color:var(--secondary);margin-bottom:20px}
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment-item:last-child{border:none}
.comment-avatar{width:36px;height:36px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:var(--primary);flex-shrink:0}
.comment-body{flex:1}
.comment-author{font-weight:600;font-size:.88rem;color:var(--secondary)}
.comment-date{font-size:.78rem;color:var(--text-light);margin-left:8px}
.comment-text{font-size:.88rem;color:var(--text);margin-top:4px;line-height:1.6}
/* 404 */
.page-404{text-align:center;padding:120px 20px}
.page-404 h1{font-size:6rem;font-weight:800;color:var(--primary);opacity:.3}
.page-404 p{font-size:1.2rem;color:var(--text-light);margin:20px 0 32px}
/* Sitemap page */
.sitemap-page{padding:40px 0}
.sitemap-page h1{font-size:1.8rem;font-weight:700;color:var(--secondary);margin-bottom:24px}
.sitemap-page ul{list-style:none;columns:3;column-gap:24px}
.sitemap-page ul li{padding:6px 0;break-inside:avoid}
.sitemap-page ul li a{color:var(--text);font-size:.93rem}
.sitemap-page ul li a:hover{color:var(--primary)}
/* Responsive */
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;text-align:center}
.hero-text p{margin:0 auto 32px}
.hero-actions{justify-content:center}
.hero-stats{justify-content:center}
.simulator{margin-top:40px}
.features-grid,.news-list,.reviews-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
.scenarios-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.article-layout{grid-template-columns:1fr}
.article-sidebar{position:static}
.sitemap-page ul{columns:2}
}
@media(max-width:640px){
.hero-text h1{font-size:2rem}
.features-grid,.news-list,.reviews-grid,.scenarios-grid,.related-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.comparison-table{font-size:.85rem}
.comparison-table th,.comparison-table td{padding:10px 8px}
.download-platforms{flex-direction:column;align-items:center}
.nav-links{display:none}
.sitemap-page ul{columns:1}
}