:root{--bg:#0b1220;--bg2:#0e1830;--card:#131f36;--card2:#182741;--line:#22314f;--accent:#00c2ff;--accent2:#16e0a0;--txt:#e8eef7;--muted:#93a4bd;--warn:#ffb648;--danger:#ff5d6c;--radius:16px;--shadow:0 18px 50px -18px rgba(0,0,0,.65)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2)}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,18,32,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--txt)}
.brand img{width:32px;height:32px;border-radius:8px}
.brand b{color:var(--accent)}
.nav{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.nav a{color:var(--muted);font-size:15px;font-weight:500}
.nav a:hover,.nav a.active{color:var(--accent)}
.nav .cta-nav{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121a;padding:9px 20px;border-radius:30px;font-weight:700}
.nav .cta-nav:hover{color:#04121a;opacity:.92}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,rgba(0,194,255,.16),transparent 60%),radial-gradient(900px 500px at 10% 10%,rgba(22,224,160,.10),transparent 55%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:72px 0 84px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(0,194,255,.10);border:1px solid rgba(0,194,255,.35);color:var(--accent);padding:6px 14px;border-radius:30px;font-size:13px;font-weight:600}
.hero h1{font-size:46px;line-height:1.18;font-weight:800;margin:20px 0 18px;letter-spacing:-.5px}
.hero h1 span{background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:18px;max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:34px;font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121a;box-shadow:0 12px 30px -8px rgba(0,194,255,.55)}
.btn-primary:hover{color:#04121a;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-stats{display:flex;gap:34px;margin-top:30px;flex-wrap:wrap}
.hero-stats .stat b{font-size:26px;color:var(--accent);display:block}
.hero-stats .stat span{color:var(--muted);font-size:14px}

/* Client simulator */
.simulator{background:linear-gradient(180deg,#101a2e,#0c1526);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.sim-top{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.sim-title{color:var(--muted);font-size:12px;margin-left:8px;letter-spacing:.5px}
.sim-body{padding:22px}
.sim-connect{display:flex;align-items:center;justify-content:center;margin:18px 0}
.sim-power{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 50% 35%,#16304f,#0d1a30);border:2px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;box-shadow:inset 0 0 30px rgba(0,194,255,.12)}
.sim-power .ic{font-size:30px}
.sim-power b{font-size:14px;color:var(--accent)}
.sim-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.sim-row:last-child{border-bottom:0}
.sim-row span{color:var(--muted)}
.sim-row b{color:var(--txt);font-weight:600}
.sim-row .up{color:var(--accent2)}
.sim-ip{background:rgba(0,194,255,.08);border:1px solid rgba(0,194,255,.25);border-radius:10px;padding:8px 12px;font-size:13px;color:var(--accent);text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.sim-flag{display:flex;align-items:center;gap:8px;font-weight:600}
.sim-badge{display:inline-block;background:rgba(22,224,160,.14);color:var(--accent2);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700}

/* Sections */
.section{padding:80px 0}
.section.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-head .tag{display:inline-block;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-size:34px;font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--muted)}

/* Cards grid */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-5px);border-color:var(--accent)}
.card .ico{width:54px;height:54px;border-radius:14px;background:rgba(0,194,255,.12);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .num{color:var(--accent);font-size:14px;font-weight:800}

/* Selling points */
.sell{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:16px;align-items:flex-start}
.sell .ico{font-size:28px;flex-shrink:0}
.sell h3{font-size:18px;margin-bottom:6px}
.sell p{color:var(--muted);font-size:14.5px}

/* Comparison table */
.compare{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.compare table{width:100%;border-collapse:collapse;min-width:640px}
.compare th,.compare td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);font-size:15px}
.compare th{background:var(--card2);color:var(--muted);font-weight:600}
.compare th:first-child,.compare td:first-child{text-align:left}
.compare td:first-child{color:var(--txt);font-weight:600}
.compare .yes{color:var(--accent2);font-weight:700}
.compare .no{color:var(--danger)}
.compare .me{background:rgba(0,194,255,.06)}
.compare .me td{color:var(--txt)}

/* News tabs */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:36px;flex-wrap:wrap}
.tab{background:var(--card);border:1px solid var(--line);color:var(--muted);padding:10px 22px;border-radius:30px;font-weight:600;font-size:14.5px}
.tab.on{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121a;border-color:transparent}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-body{padding:22px}
.news-meta{display:flex;gap:14px;color:var(--muted);font-size:12.5px;margin-bottom:10px}
.news-body h3{font-size:17px;margin-bottom:10px;line-height:1.4}
.news-body h3 a{color:var(--txt)}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{color:var(--muted);font-size:14px}
.news-card .more{color:var(--accent);font-size:14px;font-weight:600}

/* Reviews */
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.review .stars{color:var(--warn);letter-spacing:2px;font-size:16px;margin-bottom:12px}
.review p{color:var(--muted);font-size:15px;margin-bottom:16px}
.review .who{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:700;color:#04121a}
.review .who b{display:block;font-size:14.5px}
.review .who span{color:var(--muted);font-size:12.5px}

/* Download platforms */
.platform{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:transform .25s,border-color .25s}
.platform:hover{transform:translateY(-5px);border-color:var(--accent)}
.platform .ico{font-size:36px;margin-bottom:12px}
.platform h3{font-size:16px;margin-bottom:14px}
.platform .btn{font-size:14px;padding:10px 22px}

/* Trust */
.trust{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.trust-item{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:40px;padding:12px 22px;font-weight:600;font-size:14.5px}
.trust-item .t-ic{font-size:18px}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;overflow:hidden;background:var(--card)}
.faq-q{padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-weight:700;font-size:16.5px}
.faq-q .chev{color:var(--accent);font-size:22px;flex-shrink:0}
.faq-a{padding:0 24px 22px;color:var(--muted);font-size:15px;display:none}
.faq-item.open .faq-a{display:block}
.faq-a ol{padding-left:22px;margin-top:8px}
.faq-a ol li{margin-bottom:8px}
.faq-a ol li::marker{color:var(--accent);font-weight:700}

/* CTA */
.cta{background:linear-gradient(135deg,#0d2a4d,#0a1c33);border:1px solid var(--line);border-radius:24px;padding:64px;text-align:center;position:relative;overflow:hidden}
.cta h2{font-size:32px;font-weight:800;margin-bottom:14px}
.cta p{color:var(--muted);max-width:520px;margin:0 auto 28px}
.cta .btn{margin:0 8px}

/* Footer */
.site-footer{background:#080e1a;border-top:1px solid var(--line);padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:var(--txt)}
.footer-grid a{display:block;color:var(--muted);font-size:14px;margin-bottom:9px}
.footer-grid a:hover{color:var(--accent)}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:300px}
.friends{border-top:1px solid var(--line);padding:24px 0}
.friends .fr-title{color:var(--muted);font-size:13px;margin-bottom:12px}
.friends .fr-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.friends a{color:var(--muted);font-size:13px}
.friends a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{color:var(--muted);font-size:13px}

/* Breadcrumb */
.crumbs{background:var(--bg2);border-bottom:1px solid var(--line);padding:16px 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}

/* Article */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:44px}
.article h1{font-size:32px;line-height:1.3;margin-bottom:18px}
.article .meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:14px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article .cat{color:var(--accent);font-weight:600}
.article .lead{font-size:18px;color:var(--muted);margin-bottom:24px;padding:18px 20px;background:var(--card2);border-left:3px solid var(--accent);border-radius:8px}
.article h2{font-size:24px;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--accent)}
.article h3{font-size:19px;margin:22px 0 10px}
.article p{color:#c4d0e0;margin-bottom:16px;font-size:15.5px}
.article ul,.article ol{padding-left:24px;margin-bottom:16px;color:#c4d0e0}
.article li{margin-bottom:8px}
.article img{margin:22px 0;border-radius:12px;border:1px solid var(--line)}
.article blockquote{border-left:4px solid var(--accent2);background:var(--card2);padding:16px 20px;margin:20px 0;border-radius:8px;color:var(--muted);font-style:italic}
.article .toc{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-bottom:28px}
.article .toc b{display:block;margin-bottom:10px}
.article .toc a{display:block;color:var(--muted);margin-bottom:6px;font-size:14.5px}
.article .toc a:hover{color:var(--accent)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.pager a{color:var(--accent);font-size:14.5px;max-width:46%}

/* Sidebar */
.sidebar .widget{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.sidebar .widget h4{font-size:16px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.sidebar .widget ul{list-style:none}
.sidebar .widget ul li{margin-bottom:10px}
.sidebar .widget ul li a{color:var(--muted);font-size:14px}
.sidebar .widget ul li a:hover{color:var(--accent)}
.hot-num{display:inline-block;background:var(--accent);color:#04121a;font-weight:700;font-size:12px;width:20px;height:20px;line-height:20px;text-align:center;border-radius:6px;margin-right:8px}

/* List page */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:44px}
.pagination a,.pagination span{display:inline-block;padding:8px 16px;border-radius:10px;border:1px solid var(--line);color:var(--muted)}
.pagination .cur{background:var(--accent);color:#04121a;border-color:transparent}

/* Download page */
.dl-hero{text-align:center;padding:70px 0 40px}
.dl-hero h1{font-size:42px;font-weight:800;margin-bottom:16px}
.dl-hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto}

/* Responsive */
@media(max-width:960px){
.hero-inner{grid-template-columns:1fr;padding:48px 0}
.hero h1{font-size:34px}
.g3,.g4{grid-template-columns:1fr 1fr}
.g2{grid-template-columns:1fr}
.article-layout{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.news-list{grid-template-columns:1fr}
.nav{display:none}
}
@media(max-width:600px){
.g3,.g4{grid-template-columns:1fr}
.cta{padding:40px 22px}
.article{padding:26px}
.sec-head h2{font-size:27px}
}