:root{--primary:#0a7cff;--primary-2:#00d4ff;--accent:#ff5a1f;--deep:#0b1220;--deep-2:#101c30;--ink:#101828;--body:#3d4a5c;--muted:#7a8798;--line:#e6edf5;--bg:#f4f8fd;--card:#ffffff;--green:#00c853;--grad:linear-gradient(120deg,#0a7cff 0%,#00d4ff 100%);--grad-acc:linear-gradient(120deg,#ff5a1f 0%,#ff9a3d 100%);--serif:"Songti SC","STSong","SimSun","Noto Serif SC",Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--shadow:0 10px 40px rgba(10,124,255,.10);--shadow-lg:0 24px 70px rgba(11,18,32,.16);--radius:16px;--radius-sm:10px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.25;color:var(--ink);font-weight:700}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border:none;cursor:pointer;border-radius:999px;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad-acc);color:#fff;padding:14px 30px;font-size:16px;box-shadow:0 10px 26px rgba(255,90,31,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,90,31,.42)}
.btn-ghost{background:transparent;color:var(--primary);padding:13px 28px;font-size:16px;border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-white{background:#fff;color:var(--primary);padding:14px 30px;font-size:16px}
.btn-white:hover{transform:translateY(-2px)}
.section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);text-transform:uppercase;margin-bottom:14px}
.section-head h2{font-size:38px;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink)}
.nav-logo img{width:38px;height:38px;object-fit:contain}
.nav-logo span em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:15px;font-weight:500;color:var(--body);position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,rgba(0,212,255,.18),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(10,124,255,.16),transparent 55%),var(--deep);color:#fff;padding:90px 0 110px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(circle at 50% 0%,#000,transparent 75%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-text .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,.14);border:1px solid rgba(0,212,255,.3);color:#7ee8ff;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:22px}
.hero-title{font-size:56px;color:#fff;margin-bottom:20px;letter-spacing:.5px}
.hero-title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:#b9c6da;max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:36px;margin-top:44px}
.hero-metrics .m b{display:block;font-size:30px;color:#fff;font-family:var(--serif)}
.hero-metrics .m span{font-size:13px;color:#8fa1bd}
.sim{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:20px;backdrop-filter:blur(8px);box-shadow:var(--shadow-lg);overflow:hidden}
.sim-titlebar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.1)}
.sim-titlebar i{width:12px;height:12px;border-radius:50%;display:inline-block}
.sim-titlebar .r{background:#ff5f57}.sim-titlebar .y{background:#febc2e}.sim-titlebar .g{background:#28c840}
.sim-titlebar .t{flex:1;text-align:center;font-size:13px;color:#aebdd6}
.sim-body{padding:26px}
.sim-status{display:flex;align-items:center;gap:12px;background:rgba(0,200,83,.12);border:1px solid rgba(0,200,83,.3);border-radius:12px;padding:14px 16px;margin-bottom:20px}
.sim-status .dot{width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(0,200,83,.6);animation:pulse 1.8s infinite}
.sim-status b{color:#fff;font-size:15px}
.sim-status span{color:#9fe6bb;font-size:13px;margin-left:auto}
.sim-row{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;border-bottom:1px dashed rgba(255,255,255,.12);font-size:14px}
.sim-row .lbl{color:#8fa1bd}.sim-row .val{color:#fff;font-weight:600;font-family:monospace}
.sim-bar{height:7px;background:rgba(255,255,255,.1);border-radius:99px;overflow:hidden;margin:18px 0 8px}
.sim-bar i{display:block;height:100%;width:72%;background:var(--grad);border-radius:99px;animation:fill 2.2s ease}
.sim-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.sim-node{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 8px;text-align:center}
.sim-node .f{font-size:15px;color:#fff;font-weight:600}
.sim-node .p{font-size:11px;color:#7ee8ff;margin-top:4px}
.sim-node.on{background:rgba(0,212,255,.12);border-color:rgba(0,212,255,.4)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,200,83,.6)}70%{box-shadow:0 0 0 10px rgba(0,200,83,0)}100%{box-shadow:0 0 0 0 rgba(0,200,83,0)}}
@keyframes fill{from{width:0}to{width:72%}}
.features{background:var(--card)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(10,124,255,.25)}
.feature-icon{width:56px;height:56px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#fff}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--body);font-size:15px}
.notice{background:var(--deep);color:#fff;padding:22px 0}
.notice-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.notice .badge{background:var(--grad-acc);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:6px}
.notice p{font-size:15px;color:#cdd9ea;flex:1;min-width:240px}
.notice a{color:#7ee8ff;font-weight:600}
.trust{background:var(--bg)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.trust-item{text-align:center;padding:34px 18px;background:var(--card);border-radius:var(--radius);border:1px solid var(--line)}
.trust-item .num{font-size:40px;font-family:var(--serif);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.trust-item .lbl{font-size:15px;color:var(--body);margin-top:6px}
.scenes{background:var(--card)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:220px;display:flex;align-items:flex-end;padding:28px;color:#fff;background-size:cover;background-position:center}
.scene-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(11,18,32,.88))}
.scene-card h3{position:relative;z-index:2;color:#fff;font-size:22px}
.scene-card p{position:relative;z-index:2;color:#cfd9e8;font-size:14px;margin-top:6px}
.scene-card.s1{background-image:linear-gradient(160deg,#0a3d8f,#00d4ff)}
.scene-card.s2{background-image:linear-gradient(160deg,#5b1e8f,#7c5cff)}
.scene-card.s3{background-image:linear-gradient(160deg,#8f2a1e,#ff9a3d)}
.news{background:var(--bg)}
.news-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:40px;flex-wrap:wrap}
.news-tabs button{background:#fff;border:1px solid var(--line);color:var(--body);padding:10px 22px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:.25s}
.news-tabs button.active,.news-tabs button:hover{background:var(--grad);color:#fff;border-color:transparent}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.news-card .meta{font-size:12px;color:var(--muted);display:flex;gap:14px;margin-bottom:10px}
.news-card h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{color:var(--body);font-size:14px;flex:1}
.news-card .more{margin-top:14px;color:var(--primary);font-weight:600;font-size:14px}
.download{background:var(--deep);color:#fff}
.download .section-head h2{color:#fff}
.download .section-head p{color:#aab8cf}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.dl-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:32px 20px;text-align:center;transition:.3s}
.dl-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.45);background:rgba(0,212,255,.08)}
.dl-card .ic{width:64px;height:64px;margin:0 auto 18px;border-radius:16px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff}
.dl-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.dl-card .ver{font-size:12px;color:#8fa1bd;display:block;margin-bottom:18px}
.dl-card .btn{width:100%;font-size:14px;padding:11px 0}
.faq{background:var(--card)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px;background:none;border:none;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);text-align:left;font-family:var(--sans)}
.faq-q .ic{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;transition:.3s}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 24px 22px;color:var(--body);font-size:15px}
.cta{background:var(--grad);color:#fff;text-align:center;padding:90px 0}
.cta h2{color:#fff;font-size:40px;margin-bottom:16px}
.cta p{color:#e6f3ff;font-size:17px;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta .btn-white{color:var(--primary)}
.footer{background:var(--deep);color:#aab8cf;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer .brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:22px;color:#fff;margin-bottom:16px}
.footer .brand img{width:36px;height:36px}
.footer p{font-size:14px;line-height:1.8}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer ul li{margin-bottom:12px}
.footer ul a{font-size:14px;transition:.2s}
.footer ul a:hover{color:#7ee8ff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;color:#6c7a91}
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.breadcrumb nav ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#c6cfda}
.breadcrumb .cur{font-weight:700;color:var(--ink)}
.page-hero{background:radial-gradient(900px 400px at 80% 0%,rgba(0,212,255,.2),transparent),var(--deep);color:#fff;padding:70px 0}
.page-hero h1{color:#fff;font-size:42px;margin-bottom:12px}
.page-hero p{color:#b9c6da;font-size:17px;max-width:640px}
.article{max-width:820px;margin:0 auto;padding:60px 24px}
.article-header h1{font-size:36px;line-height:1.35;margin-bottom:18px}
.article-header .meta{display:flex;gap:18px;font-size:14px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap}
.article-cover{width:100%;border-radius:var(--radius);margin-bottom:30px;object-fit:cover}
.article-body h2{font-size:26px;margin:34px 0 14px}
.article-body p{color:var(--body);font-size:16.5px;margin-bottom:18px;text-align:justify}
.article-body img{width:100%;border-radius:var(--radius-sm);margin:20px 0}
.article-body .alt{font-size:13px;color:var(--muted);text-align:center;margin:-8px 0 22px}
.article-pager{display:flex;justify-content:space-between;gap:16px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.article-pager a{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;transition:.25s}
.article-pager a:hover{border-color:var(--primary)}
.article-pager .dir{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.article-pager .tt{font-size:15px;font-weight:600;color:var(--ink)}
.article-pager .next{text-align:right}
.back-list{display:inline-block;margin-top:30px;color:var(--primary);font-weight:600}
.sitemap{max-width:900px;margin:0 auto;padding:60px 24px}
.sitemap h1{font-size:36px;margin-bottom:34px}
.sitemap h2{font-size:20px;margin:30px 0 16px;padding-left:14px;border-left:4px solid var(--primary)}
.sitemap ul li{margin-bottom:10px}
.sitemap ul a{color:var(--primary);font-size:15px}
.sitemap ul a:hover{text-decoration:underline}
.sitemap ul li span{color:var(--muted);font-size:13px;margin-left:8px}
.err404{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px}
.err404 .code{font-size:120px;font-weight:700;font-family:var(--serif);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err404 h1{font-size:28px;margin:20px 0 12px}
.err404 p{color:var(--muted);margin-bottom:30px}
@media(max-width:992px){.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-toggle{display:flex}.hero-inner{grid-template-columns:1fr;gap:44px}.hero-title{font-size:42px}.feature-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.scene-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:repeat(2,1fr)}.dl-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.section{padding:64px 0}.section-head h2{font-size:30px}.hero{padding:64px 0 80px}.hero-title{font-size:34px}.hero-metrics{gap:22px}.feature-grid{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr}.news-grid{grid-template-columns:1fr}.dl-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.cta h2{font-size:30px}.article-header h1{font-size:28px}.footer-grid{grid-template-columns:1fr}.sim-nodes{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.container{padding:0 18px}.hero-title{font-size:29px}.hero-actions .btn{width:100%}.hero-metrics{flex-wrap:wrap}.dl-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr}.btn-primary,.btn-ghost{padding:13px 22px}.section-head h2{font-size:26px}}