:root{--bg:#0a1633;--bg2:#0e2050;--card:#12264f;--card2:#162c5c;--accent:#00d9b5;--accent2:#38bdf8;--text:#e6eef8;--muted:#93a6c8;--line:rgba(255,255,255,.08);--danger:#ff5d73;--warn:#ffb454;--ok:#2ee6a8}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:860px}
.topbar{position:sticky;top:0;z-index:100;background:rgba(10,22,51,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#fff}
.brand img{width:32px;height:32px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{font-size:15px;color:var(--muted);font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.lang-switch{display:flex;align-items:center;gap:6px}
.lang-switch a{padding:7px 14px;border-radius:20px;border:1px solid var(--line);font-size:13px;color:var(--muted)}
.lang-switch a.active{background:var(--accent);color:#04211c;border-color:var(--accent);font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-weight:600;font-size:16px;cursor:pointer;transition:.2s;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--accent),#00b894);color:#04211c}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:16px 34px;font-size:17px}
.hero{position:relative;overflow:hidden;padding:72px 0 60px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 10%,rgba(0,217,181,.15),transparent 50%),radial-gradient(ellipse at 80% 30%,rgba(56,189,248,.15),transparent 50%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,217,181,.12);border:1px solid rgba(0,217,181,.3);color:var(--accent);padding:7px 16px;border-radius:30px;font-size:13px;margin-bottom:22px}
.hero h1{font-size:46px;line-height:1.2;font-weight:800;margin-bottom:18px;color:#fff}
.hero h1 .hl{color:var(--accent)}
.hero .sub{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:26px;color:var(--accent)}
.hero-stats .stat span{font-size:13px;color:var(--muted)}
.sim{background:linear-gradient(180deg,#0d1f45,#0a1633);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.5)}
.sim-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03)}
.sim-bar .dot{width:11px;height:11px;border-radius:50%}
.sim-bar .dot.r{background:#ff5f57}.sim-bar .dot.y{background:#febc2e}.sim-bar .dot.g{background:#28c840}
.sim-bar .sim-title{margin-left:10px;font-size:12px;color:var(--muted)}
.sim-body{padding:22px}
.sim-status{display:flex;align-items:center;justify-content:space-between;background:rgba(0,217,181,.08);border:1px solid rgba(0,217,181,.25);border-radius:12px;padding:16px;margin-bottom:18px}
.sim-status .left{display:flex;align-items:center;gap:12px}
.sim-status .pulse{width:12px;height:12px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(46,230,168,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,230,168,.5)}70%{box-shadow:0 0 0 10px rgba(46,230,168,0)}100%{box-shadow:0 0 0 0 rgba(46,230,168,0)}}
.sim-status b{color:#fff;font-size:15px}
.sim-status span{font-size:12px;color:var(--muted)}
.sim-connect{background:var(--accent);color:#04211c;border:none;border-radius:8px;padding:9px 18px;font-weight:700;font-size:14px;cursor:pointer}
.sim-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.sim-row .k{color:var(--muted)}.sim-row .v{color:#fff;font-weight:600;font-family:monospace}
.sim-loc{margin-top:18px;font-size:13px;color:var(--muted)}
.sim-loc .flag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);padding:8px 14px;border-radius:8px;color:#fff}
.section{padding:70px 0}
.section.dark{background:var(--bg2)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 48px}
.sec-head .tag{display:inline-block;color:var(--accent);font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:34px;font-weight:800;color:#fff;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,217,181,.4);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.card .ico{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;background:rgba(0,217,181,.12);color:var(--accent)}
.card h3{font-size:19px;color:#fff;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.sell{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:16px}
.sell .num{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04211c;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center}
.sell h3{font-size:18px;color:#fff;margin-bottom:8px}
.sell p{color:var(--muted);font-size:15px}
.announce{background:linear-gradient(135deg,rgba(255,180,84,.1),rgba(255,180,84,.02));border:1px solid rgba(255,180,84,.3);border-radius:14px;padding:22px 26px;display:flex;gap:16px;align-items:flex-start}
.announce .ico{font-size:22px}
.announce h3{color:var(--warn);font-size:16px;margin-bottom:6px}
.announce p{color:var(--muted);font-size:14px}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust .t-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;text-align:center}
.trust .t-item b{display:block;font-size:30px;color:var(--accent)}
.trust .t-item span{font-size:13px;color:var(--muted)}
.scene{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene .s-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;gap:16px;align-items:flex-start}
.scene .s-item .ico{font-size:24px;flex-shrink:0;width:48px;height:48px;border-radius:10px;background:rgba(56,189,248,.12);color:var(--accent2);display:flex;align-items:center;justify-content:center}
.scene .s-item h3{font-size:17px;color:#fff;margin-bottom:6px}
.scene .s-item p{color:var(--muted);font-size:14px}
table.cmp{width:100%;border-collapse:collapse;background:var(--card);border-radius:14px;overflow:hidden;font-size:14px}
table.cmp th,table.cmp td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line)}
table.cmp th{background:var(--card2);color:#fff;font-size:15px}
table.cmp td:first-child{text-align:left;color:var(--muted)}
table.cmp .yes{color:var(--ok);font-weight:700}
table.cmp .no{color:var(--danger)}
table.cmp .hl-col{background:rgba(0,217,181,.07)}
table.cmp .hl-col th{color:var(--accent)}
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.tabs a{padding:9px 22px;border-radius:24px;border:1px solid var(--line);font-size:14px;color:var(--muted)}
.tabs a.active{background:var(--accent);color:#04211c;border-color:var(--accent);font-weight:700}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.news-card .thumb{height:160px;background:var(--card2);overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card .meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.news-card .cat{color:var(--accent)}
.news-card h3{font-size:16px;color:#fff;margin-bottom:10px;line-height:1.4}
.news-card p{color:var(--muted);font-size:13px;flex:1}
.news-card .more{color:var(--accent);font-size:13px;margin-top:12px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.review .stars{color:var(--warn);font-size:16px;margin-bottom:12px;letter-spacing:2px}
.review p{color:var(--muted);font-size:14px;margin-bottom:16px}
.review .who{display:flex;align-items:center;gap:12px}
.review .who .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;color:#04211c;font-weight:700}
.review .who b{display:block;color:#fff;font-size:14px}
.review .who span{font-size:12px;color:var(--muted)}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;transition:.2s}
.dl-item:hover{border-color:var(--accent);transform:translateY(-3px)}
.dl-item .os{font-size:34px;margin-bottom:12px}
.dl-item h3{font-size:16px;color:#fff;margin-bottom:6px}
.dl-item span{display:block;font-size:12px;color:var(--muted);margin-bottom:16px}
.dl-item a.btn{width:100%;padding:11px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
.faq-q{padding:20px 24px;font-size:17px;color:#fff;font-weight:600;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.faq-q .arr{color:var(--accent)}
.faq-a{display:none;padding:0 24px 22px;color:var(--muted);font-size:15px}
.faq-a ol,.faq-a ul{padding-left:22px;margin:10px 0}
.faq-a li{margin-bottom:8px}
.faq-item.open .faq-a{display:block}
.faq-item.open .arr{transform:rotate(180deg)}
.cta{background:linear-gradient(135deg,#0d1f45,#0a1633);border:1px solid var(--line);border-radius:20px;padding:60px 40px;text-align:center}
.cta h2{font-size:34px;color:#fff;margin-bottom:14px}
.cta p{color:var(--muted);margin-bottom:28px;font-size:17px}
.cta .btn{margin:0 8px}
.footer{background:#071126;border-top:1px solid var(--line);padding:50px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer p{color:var(--muted);font-size:14px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{color:var(--muted);font-size:14px}
.footer ul 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;font-size:13px;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--accent)}
.crumb{font-size:13px;color:var(--muted);padding:16px 0;border-bottom:1px solid var(--line)}
.crumb a{color:var(--accent)}
.crumb span{color:var(--muted)}
.page-hero{padding:50px 0 30px;text-align:center}
.page-hero h1{font-size:36px;color:#fff;font-weight:800;margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:16px}
.article{max-width:760px;margin:0 auto;padding:40px 0}
.article h1{font-size:32px;color:#fff;line-height:1.35;margin-bottom:16px}
.article .meta{color:var(--muted);font-size:13px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article h2{font-size:23px;color:#fff;margin:34px 0 14px}
.article p{color:#c8d4e8;font-size:16px;margin-bottom:18px;line-height:1.9}
.article figure{margin:24px 0}
.article figure img{border-radius:12px;width:100%}
.article figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.article blockquote{border-left:3px solid var(--accent);padding:14px 20px;background:rgba(0,217,181,.06);color:var(--text);margin:22px 0;border-radius:0 10px 10px 0;font-size:15px}
.article .keywords{font-size:14px;color:var(--accent)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}
.article-nav a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px}
.article-nav a:hover{border-color:var(--accent)}
.article-nav .dir{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.article-nav .next{text-align:right}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;max-width:1200px;margin:0 auto;padding:20px}
.sidebar h4{font-size:16px;color:#fff;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.sidebar ul{list-style:none;margin-bottom:30px}
.sidebar ul li{margin-bottom:12px}
.sidebar ul a{color:var(--muted);font-size:14px;line-height:1.4}
.sidebar ul a:hover{color:var(--accent)}
.sidebar .hot-num{color:var(--accent);font-weight:700;margin-right:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.back-link{display:inline-block;margin-top:30px;color:var(--accent);font-size:14px}
.sitemap-list{columns:2;column-gap:40px}
.sitemap-list h3{color:#fff;margin:20px 0 10px;font-size:17px}
.sitemap-list ul{list-style:none;break-inside:avoid}
.sitemap-list li{margin-bottom:8px}
.sitemap-list a{color:var(--muted);font-size:14px}
.sitemap-list a:hover{color:var(--accent)}
.err404{text-align:center;padding:100px 20px}
.err404 .code{font-size:120px;font-weight:800;color:var(--accent);line-height:1}
.err404 h1{font-size:28px;color:#fff;margin:20px 0}
.err404 p{color:var(--muted);margin-bottom:30px}
@media(max-width:992px){.hero-grid,.grid-3,.grid-2,.news-list,.reviews,.dl-grid,.article-layout,.footer-grid{grid-template-columns:1fr}.trust{grid-template-columns:repeat(2,1fr)}.dl-grid{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}.hero h1{font-size:34px}.sidebar{order:2}.rel-grid{grid-template-columns:1fr}.sitemap-list{columns:1}}