*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#070b16;color:#e8f0ff;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:#7fd7ff;text-decoration:none}
ul{list-style:none}
:root{--brand:#00c8ff;--brand2:#4f7cff;--grad:linear-gradient(135deg,#00c8ff,#4f7cff);--card:#101a30;--card2:#131e38;--line:#1d2a47;--muted:#93a3c4;--ok:#00ffb3;--warn:#ffb547;--radius:18px}
.container{width:min(1180px,92%);margin:0 auto}
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-head .tag{display:inline-block;padding:6px 16px;border:1px solid rgba(0,200,255,.35);border-radius:999px;color:#7fd7ff;font-size:13px;letter-spacing:1px;background:rgba(0,200,255,.06);margin-bottom:16px}
.sec-head h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:.5px}
.sec-head h2 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--muted);margin-top:12px;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s,background .2s;min-height:48px}
.btn:active{transform:scale(.97)}
.btn-main{background:var(--grad);color:#04121f;box-shadow:0 8px 24px rgba(0,200,255,.28)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,200,255,.4)}
.btn-ghost{background:transparent;color:#7fd7ff;border:1px solid rgba(0,200,255,.45)}
.btn-ghost:hover{background:rgba(0,200,255,.08);transform:translateY(-2px)}
.btn-big{padding:16px 40px;font-size:17px}
.badge-ok{display:inline-flex;align-items:center;gap:6px;color:var(--ok);background:rgba(0,255,179,.08);border:1px solid rgba(0,255,179,.3);padding:4px 12px;border-radius:999px;font-size:13px}
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,11,22,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(29,42,71,.6);transition:background .3s}
.header.scrolled{background:rgba(7,11,22,.94);box-shadow:0 6px 30px rgba(0,0,0,.45)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links>li{position:relative}
.nav-links>li>a,.nav-links .drop-btn{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;color:#c7d6f5;font-size:15px;font-weight:600;background:none;border:0;cursor:pointer;white-space:nowrap}
.nav-links>li>a:hover,.nav-links .drop-btn:hover{color:#fff;background:rgba(0,200,255,.08)}
.drop .arr{display:inline-block;transition:transform .25s;font-size:11px}
.drop:hover .arr,.drop:focus-within .arr{transform:rotate(180deg)}
.drop-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:200px;background:#101a30;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 18px 44px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s;z-index:120}
.drop:hover .drop-menu,.drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateY(0)}
.drop-menu a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;color:#c7d6f5;font-size:14px}
.drop-menu a:hover{background:rgba(0,200,255,.1);color:#fff}
.nav-cta{flex-shrink:0}
.nav-burger{display:none}
#nav-toggle{position:absolute;opacity:0;pointer-events:none}
.hero{position:relative;padding:168px 0 96px;background:radial-gradient(1100px 500px at 75% -10%,rgba(0,200,255,.16),transparent 60%),radial-gradient(900px 460px at 8% 20%,rgba(79,124,255,.14),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.3);color:#7fd7ff;font-size:13px;margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.18;font-weight:900;letter-spacing:.5px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:22px 0 32px;color:#b9c7e4;font-size:17px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:38px;margin-top:44px;flex-wrap:wrap}
.hero-metric b{display:block;font-size:30px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-metric span{color:var(--muted);font-size:13px}
.hero-metric small{display:block;color:#5f7195;font-size:12px;margin-top:2px}
.demo-wrap{display:flex;justify-content:center}
.demo{position:relative;width:min(400px,100%);background:linear-gradient(160deg,#101a30,#0b1226);border:1px solid #22335c;border-radius:24px;padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(0,200,255,.08),0 0 60px rgba(0,200,255,.12)}
.demo-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.demo-title b{font-size:15px}
.demo-status{font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.demo .dm-power{position:absolute;opacity:0;pointer-events:none}
.dm-power:checked~.demo-panel .demo-status.off{display:none}
.demo-status.on{display:none;color:var(--ok);border-color:rgba(0,255,179,.4);background:rgba(0,255,179,.07)}
.dm-power:checked~.demo-panel .demo-status.on{display:inline-block}
.demo-gauge{position:relative;height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:18px;background:radial-gradient(360px 180px at 50% 100%,rgba(0,200,255,.1),transparent 70%);overflow:hidden}
.gauge-arc{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:280px;height:140px;overflow:hidden}
.gauge-arc svg{width:280px;height:280px;display:block}
.gauge-val{position:relative;z-index:2;text-align:center;margin-top:64px}
.gauge-val b{font-size:34px;font-weight:900;letter-spacing:1px}
.gauge-val b em{font-style:normal;font-size:15px;color:var(--muted);font-weight:600;margin-left:4px}
.gauge-val span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.needle{position:absolute;top:42px;left:50%;width:2px;height:112px;margin-left:-1px;background:linear-gradient(#0af,#4f7cff);border-radius:2px;transform-origin:50% 100%;transform:rotate(-80deg);transition:transform 1s cubic-bezier(.4,0,.2,1);box-shadow:0 0 10px rgba(0,200,255,.7);z-index:1}
.demo .arc{stroke-dasharray:0 377;transition:stroke-dasharray 1s cubic-bezier(.4,0,.2,1)}
.dm-power:checked~.demo-panel .needle{transform:rotate(63deg)}
.dm-power:checked~#dm-hk:checked~.demo-panel .needle{transform:rotate(63deg)}
.dm-power:checked~#dm-sg:checked~.demo-panel .needle{transform:rotate(40deg)}
.dm-power:checked~#dm-jp:checked~.demo-panel .needle{transform:rotate(53deg)}
.dm-power:checked~#dm-us:checked~.demo-panel .needle{transform:rotate(28deg)}
.dm-power:checked~#dm-hk:checked~.demo-panel .arc{stroke-dasharray:325.7 377}
.dm-power:checked~#dm-sg:checked~.demo-panel .arc{stroke-dasharray:271.8 377}
.dm-power:checked~#dm-jp:checked~.demo-panel .arc{stroke-dasharray:300.8 377}
.dm-power:checked~#dm-us:checked~.demo-panel .arc{stroke-dasharray:246.2 377}
.gauge-glow{position:absolute;top:14px;left:50%;width:130px;height:70px;margin-left:-65px;background:radial-gradient(ellipse at center,rgba(0,255,179,.22),transparent 70%);opacity:0;transition:opacity .4s;pointer-events:none}
.dm-power:checked~.demo-panel .gauge-glow{opacity:1}
.demo-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.metric-box{border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#0e1830}
.metric-box .k{font-size:12px;color:var(--muted)}
.metric-box .v{font-size:20px;font-weight:800;margin-top:2px}
.metric-box .v em{font-style:normal;font-size:12px;color:var(--muted);font-weight:600}
.v-node{display:none}
.demo input[id^=dm-hk]:checked~.demo-panel .v-hk,.demo input[id^=dm-sg]:checked~.demo-panel .v-sg,.demo input[id^=dm-jp]:checked~.demo-panel .v-jp,.demo input[id^=dm-us]:checked~.demo-panel .v-us{display:inline}
.demo input[type=radio]{position:absolute;opacity:0;pointer-events:none}
.btn-connect{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px;border-radius:14px;background:var(--grad);color:#04121f;font-weight:800;font-size:16px;cursor:pointer;border:0;box-shadow:0 8px 22px rgba(0,200,255,.3)}
.btn-connect .t-off{display:inline}
.btn-connect .t-on{display:none}
.dm-power:checked~.demo-panel .btn-connect .t-off{display:none}
.dm-power:checked~.demo-panel .btn-connect .t-on{display:inline}
.dm-power:checked~.demo-panel .btn-connect{background:linear-gradient(135deg,#00ffb3,#00c8ff);box-shadow:0 8px 26px rgba(0,255,179,.35)}
.demo-nodes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.node-card{position:relative;border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;transition:border-color .2s,background .2s;background:#0e1830}
.node-card .n{font-size:14px;font-weight:700;display:flex;align-items:center;gap:6px}
.node-card .p{font-size:11px;color:var(--muted);margin-top:2px}
.node-card .r{font-size:12px;color:var(--ok);font-weight:700}
.demo input[id^=dm-hk]:checked~.demo-panel .node-hk,.demo input[id^=dm-sg]:checked~.demo-panel .node-sg,.demo input[id^=dm-jp]:checked~.demo-panel .node-jp,.demo input[id^=dm-us]:checked~.demo-panel .node-us{border-color:rgba(0,200,255,.7);background:rgba(0,200,255,.09);box-shadow:0 0 16px rgba(0,200,255,.15)}
.demo-toggles{display:flex;gap:10px;margin-top:10px}
.tog{flex:1;position:relative}
.tog input{position:absolute;opacity:0;pointer-events:none}
.tog label{display:flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:12px;padding:10px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .2s}
.tog input:checked~label{color:var(--ok);border-color:rgba(0,255,179,.45);background:rgba(0,255,179,.06)}
.stats-band{background:linear-gradient(120deg,#0d1424,#0a1122);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding:44px 0}
.stat{text-align:center}
.stat .ic{font-size:30px;margin-bottom:8px}
.stat b{display:block;font-size:30px;font-weight:900;letter-spacing:.5px}
.stat b i{font-style:normal;font-size:16px;color:var(--muted)}
.stat span{color:var(--muted);font-size:13px}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.f-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.f-card:hover{transform:translateY(-6px);border-color:rgba(0,200,255,.45);box-shadow:0 18px 40px rgba(0,0,0,.4)}
.f-card .ic{width:52px;height:52px;border-radius:14px;background:rgba(0,200,255,.1);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.f-card h3{font-size:17px;margin-bottom:8px}
.f-card p{color:var(--muted);font-size:14px}
.nodes-sec{background:linear-gradient(180deg,#0b1124,#070b16)}
.nodes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.node-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .25s,border-color .25s}
.node-panel:hover{transform:translateY(-4px);border-color:rgba(0,200,255,.4)}
.node-panel .top{display:flex;align-items:center;justify-content:space-between}
.node-panel .nm{font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px}
.node-panel .lat{font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(0,255,179,.08);border:1px solid rgba(0,255,179,.3);color:var(--ok)}
.node-panel .bar{height:8px;border-radius:99px;background:#16223e;overflow:hidden}
.node-panel .bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.node-panel .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.s-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.s-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(0,0,0,.4)}
.s-card .ic{font-size:34px;margin-bottom:14px}
.s-card h3{font-size:17px;margin-bottom:8px}
.s-card p{color:var(--muted);font-size:14px}
.s-card .idx{position:absolute;right:18px;top:14px;font-size:44px;font-weight:900;color:rgba(0,200,255,.07);line-height:1}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative;text-align:center}
.step .num{width:44px;height:44px;margin:0 auto 16px;border-radius:50%;background:var(--grad);color:#04121f;font-weight:900;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,200,255,.35)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}
.step .arrow{position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:rgba(0,200,255,.5);font-size:22px;z-index:2}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px 26px;position:relative;transition:transform .25s}
.price-card:hover{transform:translateY(-6px)}
.price-card.hot{border-color:rgba(0,200,255,.6);background:linear-gradient(165deg,#12203c,#0d1730);box-shadow:0 20px 50px rgba(0,200,255,.15)}
.price-card .hot-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04121f;font-size:12px;font-weight:800;padding:5px 16px;border-radius:999px;box-shadow:0 6px 16px rgba(0,200,255,.4);white-space:nowrap}
.price-card h3{font-size:17px;color:var(--muted);font-weight:700}
.price-card .price{font-size:44px;font-weight:900;margin:14px 0 4px;letter-spacing:-1px}
.price-card .price em{font-style:normal;font-size:16px;color:var(--muted);font-weight:600}
.price-card .desc{color:var(--muted);font-size:13px;margin-bottom:20px}
.price-card ul{margin-bottom:26px}
.price-card li{padding:8px 0;font-size:14px;color:#c7d6f5;display:flex;gap:10px;align-items:flex-start}
.price-card li::before{content:"✓";color:var(--ok);font-weight:800;flex-shrink:0}
.price-card .btn{width:100%}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:rgba(0,200,255,.12);color:#7fd7ff;display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .3s}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .ans{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
.faq-item .ans ol{padding-left:20px;margin-top:10px}
.faq-item .ans ol li{margin:6px 0}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.testi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.testi-card .stars{color:var(--warn);font-size:14px;letter-spacing:2px}
.testi-card p{color:#c7d6f5;font-size:14.5px;flex:1}
.testi-card .who{display:flex;align-items:center;gap:12px}
.testi-card .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#04121f;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.testi-card .who b{display:block;font-size:14px}
.testi-card .who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-6px);border-color:rgba(0,200,255,.45);box-shadow:0 16px 40px rgba(0,0,0,.45)}
.news-card .cover{aspect-ratio:16/9;overflow:hidden;background:#0d1424}
.news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .cover img{transform:scale(1.06)}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted)}
.news-card .cate{padding:2px 10px;border-radius:999px;background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.3);color:#7fd7ff;font-size:11px}
.news-card h3{font-size:16.5px;line-height:1.5}
.news-card h3 a{color:#e8f0ff}
.news-card h3 a:hover{color:#7fd7ff}
.news-card p{color:var(--muted);font-size:13.5px;flex:1}
.news-card .more{font-size:13px;color:#7fd7ff;font-weight:700}
.cta{background:radial-gradient(700px 320px at 50% -20%,rgba(0,200,255,.2),transparent 60%),linear-gradient(150deg,#0f1830,#0a1124);border:1px solid var(--line);border-radius:28px;padding:64px 30px;text-align:center;position:relative;overflow:hidden}
.cta h2{font-size:34px;font-weight:900;letter-spacing:.5px}
.cta p{color:var(--muted);margin:14px auto 30px;max-width:520px}
.footer{border-top:1px solid var(--line);background:#050912;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer .fbrand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer .fbrand img{width:32px;height:32px;border-radius:8px}
.footer .about{color:var(--muted);font-size:13.5px;max-width:300px}
.footer h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer-col a{display:block;color:var(--muted);font-size:13.5px;padding:6px 0}
.footer-col a:hover{color:#7fd7ff}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:12.5px;color:#5f7195}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:#5f7195}
.footer-bottom a:hover{color:#7fd7ff}
.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#04121f;font-size:20px;display:flex;align-items:center;justify-content:center;z-index:90;box-shadow:0 8px 22px rgba(0,200,255,.35);opacity:.85}
.back-top:hover{opacity:1}
.page-head{padding:156px 0 56px;background:radial-gradient(900px 420px at 50% -20%,rgba(0,200,255,.15),transparent 60%)}
.page-head h1{font-size:40px;font-weight:900;letter-spacing:.5px}
.page-head p{color:var(--muted);margin-top:12px;max-width:640px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:#7fd7ff}
.crumb .sep{margin:0 8px;color:#3d4f75}
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:20px 0 90px;align-items:start}
.art-main{min-width:0}
.art-main .cover{aspect-ratio:16/9;border-radius:20px;overflow:hidden;border:1px solid var(--line);margin-bottom:26px;background:#0d1424}
.art-main .cover img{width:100%;height:100%;object-fit:cover}
.art-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:18px}
.art-main h1{font-size:31px;line-height:1.35;font-weight:900;margin-bottom:18px}
.art-lead{background:rgba(0,200,255,.05);border:1px solid rgba(0,200,255,.22);border-left:3px solid var(--brand);border-radius:12px;padding:18px 20px;color:#c7d6f5;font-size:15px;margin-bottom:26px}
.art-main p{margin-bottom:18px;color:#cbd7ef;font-size:15.5px;text-align:justify}
.art-main h2{font-size:22px;font-weight:800;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--brand)}
.art-main .body-img{aspect-ratio:2/1;border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:22px 0;background:#0d1424}
.art-main .body-img img{width:100%;height:100%;object-fit:cover}
.art-main blockquote{border-left:3px solid var(--brand2);background:#0e1830;border-radius:0 12px 12px 0;padding:16px 20px;margin:20px 0;color:#c7d6f5;font-size:15px}
.art-main blockquote b{color:#7fd7ff}
.art-end{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-top:30px;font-size:14px;color:#c7d6f5}
.art-nav{display:flex;justify-content:space-between;gap:14px;margin:34px 0;flex-wrap:wrap}
.art-nav a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:14px;color:#c7d6f5;transition:border-color .2s}
.art-nav a:hover{border-color:rgba(0,200,255,.5);color:#7fd7ff}
.art-nav .back{text-align:center;flex:1;min-width:100px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.related a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;font-size:14px;color:#c7d6f5;line-height:1.5;transition:border-color .2s}
.related a:hover{border-color:rgba(0,200,255,.5);color:#7fd7ff}
.related b{display:block;color:#7fd7ff;font-size:12px;margin-bottom:6px;font-weight:700}
.comments{margin-top:44px}
.comments h2{font-size:21px;margin-bottom:20px}
.comment{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:12px}
.comment .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#00c8ff,#4f7cff);color:#04121f;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.comment .who{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.comment .who b{font-size:14px}
.comment .who span{font-size:12px;color:var(--muted)}
.comment p{font-size:14px;color:#c7d6f5;margin-top:6px;text-align:left}
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border-radius:16px;padding:20px;box-shadow:0 10px 34px rgba(0,0,0,.35);color:#1c2742}
.side-card h4{font-size:15px;font-weight:800;padding-left:12px;border-left:4px solid var(--brand);margin-bottom:14px;color:#10182e}
.toc{position:relative}
.toc::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:#dde6f5}
.toc a{display:flex;align-items:center;gap:12px;padding:7px 0 7px 6px;color:#4a5a7c;font-size:13.5px;position:relative;line-height:1.45}
.toc a::before{content:"";width:8px;height:8px;border-radius:50%;background:#c3d2ea;border:2px solid #fff;flex-shrink:0;position:relative;z-index:1}
.toc a:hover{color:#0f6bd6}
.toc a.cur{color:#0f6bd6;font-weight:800}
.toc a.cur::before{background:#0f6bd6;box-shadow:0 0 0 3px rgba(15,107,214,.18)}
.hot-list a{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px dashed #e6edf8;font-size:13.5px;color:#34436b;line-height:1.4}
.hot-list a:last-child{border-bottom:0}
.hot-list a:hover{color:#0f6bd6}
.hot-list .rank{width:22px;height:22px;border-radius:6px;font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;color:#fff;background:#a9b7d0;flex-shrink:0;transition:transform .2s}
.hot-list a:hover .rank{transform:scale(1.12)}
.hot-list .r1{background:linear-gradient(135deg,#00c8ff,#4f7cff)}
.hot-list .r2{background:linear-gradient(135deg,#ff9a3d,#ff6b35)}
.hot-list .r3{background:linear-gradient(135deg,#ffc93d,#ff9d2e)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid #d7e2f2;color:#4a5a7c;transition:all .2s}
.tag-cloud a:hover{color:#0f6bd6;border-color:#0f6bd6}
.dl-versions{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-versions.four{grid-template-columns:repeat(4,1fr)}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px 26px;transition:transform .25s,border-color .25s}
.dl-card:hover{transform:translateY(-5px);border-color:rgba(0,200,255,.5)}
.dl-card .ic{font-size:36px;margin-bottom:12px}
.dl-card h3{font-size:19px;margin-bottom:4px}
.dl-card .ver{font-size:13px;color:var(--muted);margin-bottom:16px}
.dl-card ul{margin-bottom:24px}
.dl-card li{padding:7px 0;font-size:14px;color:#c7d6f5;display:flex;gap:10px}
.dl-card li::before{content:"✓";color:var(--ok);font-weight:800}
.dl-card .btn{width:100%}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.spec{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;gap:14px;align-items:flex-start}
.spec .ic{font-size:26px;flex-shrink:0}
.spec b{display:block;font-size:15px;margin-bottom:4px}
.spec span{color:var(--muted);font-size:13px}
.err-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px;background:radial-gradient(700px 400px at 50% 30%,rgba(0,200,255,.14),transparent 60%)}
.err-wrap h1{font-size:110px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:4px}
.err-wrap h2{font-size:26px;margin:14px 0 10px}
.err-wrap p{color:var(--muted);margin-bottom:28px}
.err-wrap .count{color:var(--warn);font-weight:800}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sm-col{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.sm-col h3{font-size:17px;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.sm-col a{display:block;padding:8px 0;color:#c7d6f5;font-size:14px;border-bottom:1px dashed var(--line)}
.sm-col a:last-child{border-bottom:0}
.sm-col a:hover{color:#7fd7ff}
.sm-col span{color:var(--muted);font-size:12px;margin-left:8px}
.legal{max-width:820px;margin:0 auto}
.legal h2{font-size:22px;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.legal p{color:#cbd7ef;margin-bottom:14px;font-size:15px;text-align:justify}
.legal .updated{color:var(--muted);font-size:13px;margin-bottom:20px}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s,transform .6s}
html.js .reveal.in{opacity:1;transform:none}
html:not(.js) .reveal{opacity:1;transform:none}
@media(max-width:992px){
.nav-links{position:fixed;top:72px;left:0;right:0;background:rgba(10,15,30,.98);backdrop-filter:blur(16px);flex-direction:column;align-items:stretch;padding:14px 18px 26px;gap:4px;display:none;border-bottom:1px solid var(--line);max-height:calc(100vh - 72px);overflow-y:auto}
#nav-toggle:checked~.nav-links{display:flex}
.nav-links>li>a,.nav-links .drop-btn{width:100%;justify-content:space-between;padding:13px 14px;font-size:16px}
.nav-burger{display:flex;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#101a30;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.nav-burger .bars{width:20px;height:14px;position:relative}
.nav-burger .bars i{position:absolute;left:0;width:20px;height:2px;background:#c7d6f5;border-radius:2px;transition:all .25s}
.nav-burger .bars i:nth-child(1){top:0}
.nav-burger .bars i:nth-child(2){top:6px}
.nav-burger .bars i:nth-child(3){top:12px}
#nav-toggle:checked~.nav-burger .bars i:nth-child(1){top:6px;transform:rotate(45deg)}
#nav-toggle:checked~.nav-burger .bars i:nth-child(2){opacity:0}
#nav-toggle:checked~.nav-burger .bars i:nth-child(3){top:6px;transform:rotate(-45deg)}
.drop-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:rgba(0,200,255,.05);padding:4px 10px;min-width:0;margin:2px 0 6px;display:block}
.drop.open .drop-menu{display:block}
.drop.open .arr{transform:rotate(180deg)}
html.js .drop-menu{display:none}
html.js .drop.open .drop-menu{display:block}
.nav-cta{display:none}
.hero{padding:136px 0 72px}
.hero-grid{grid-template-columns:1fr;gap:44px}
.hero h1{font-size:40px}
.hero-metrics{gap:26px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:1fr}
.step .arrow{display:none}
.testi-grid{grid-template-columns:repeat(2,1fr)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.art-wrap{grid-template-columns:1fr}
.sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.side-card.toc-card{grid-column:1/-1}
.dl-versions{grid-template-columns:1fr 1fr}
.spec-grid{grid-template-columns:repeat(2,1fr)}
.sitemap-cols{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(3,1fr);gap:26px}
}
@media(max-width:768px){
.sec{padding:62px 0}
.sec-head h2{font-size:27px}
.hero h1{font-size:33px}
.hero-sub{font-size:15.5px}
.features-grid{grid-template-columns:1fr 1fr}
.pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
.testi-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.scenario-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.cta h2{font-size:27px}
.art-main h1{font-size:24px}
.page-head h1{font-size:30px}
}
@media(max-width:480px){
.container{width:94%}
.hero h1{font-size:28px}
.hero-actions .btn{width:100%}
.hero-metrics{gap:20px}
.hero-metric b{font-size:24px}
.features-grid{grid-template-columns:1fr}
.nodes-grid{grid-template-columns:1fr}
.scenario-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.demo{padding:20px}
.demo-nodes{grid-template-columns:1fr 1fr}
.gauge-arc{width:230px}
.gauge-arc svg{width:230px;height:230px}
.pricing-grid{max-width:none}
.dl-versions{grid-template-columns:1fr}
.spec-grid{grid-template-columns:1fr}
.sitemap-cols{grid-template-columns:1fr}
.sidebar{grid-template-columns:1fr}
.related{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.art-main{font-size:15px}
.art-main p{font-size:15px}
.btn{padding:13px 22px}
.sec-head{margin-bottom:38px}
}

/* geo:2026 - Bing GEO content blocks, delete this block to roll back */
.answer-lede{background:linear-gradient(90deg,rgba(0,200,255,.10),rgba(0,255,179,.04));border:1px solid var(--line);border-left:3px solid #00c8ff;border-radius:12px;padding:16px 20px;margin:16px 0 0;font-size:16px;line-height:1.75;color:#dce8ff}
.hero .answer-lede{max-width:560px}
.tldr{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 24px}
.tldr b{display:block;font-size:15px;color:#7fd7ff;margin-bottom:10px;letter-spacing:.5px}
.tldr ul{margin:0;padding-left:20px}
.tldr li{margin:7px 0;font-size:14.5px;color:#c7d6f5;line-height:1.7}
.keyfacts{max-width:860px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.keyfacts ul{margin:0;padding:0;list-style:none}
.keyfacts li{position:relative;padding:10px 0 10px 18px;font-size:15px;color:#c7d6f5;line-height:1.75;border-top:1px dashed var(--line)}
.keyfacts li:first-child{border-top:0}
.keyfacts li::before{content:"";position:absolute;left:0;top:18px;width:7px;height:7px;border-radius:50%;background:#00c8ff}
.keyfacts li b{color:#e8f0ff}
.art-faq{margin-top:34px}
.news-card h2{font-size:16.5px;line-height:1.5}
.news-card h2 a{color:#e8f0ff}
.news-card h2 a:hover{color:#7fd7ff}
@media(max-width:767px){
.answer-lede{font-size:15px;padding:14px 16px}
.keyfacts{padding:20px 18px}
}

/* theme:media-download - delete this block to roll back */
:root{--brand:#7c5cff;--brand2:#00e0c6;--grad:linear-gradient(135deg,#7c5cff,#00e0c6);--card:#16143a;--card2:#1a1842;--line:#302c5e;--muted:#a9a4d0;--ok:#00e0c6;--warn:#ffc457;--radius:24px}
body{background:#0b0a20;color:#ece9ff}
a{color:#a892ff}
.header{background:rgba(11,10,32,.7);border-bottom:1px solid rgba(48,44,94,.6)}
.header.scrolled{background:rgba(11,10,32,.92)}
.nav-links>li>a,.nav-links .drop-btn{color:#cfc8f5}
.nav-links>li>a:hover,.nav-links .drop-btn:hover{background:rgba(124,92,255,.12)}
.hero{padding:176px 0 100px;background:radial-gradient(1000px 500px at 50% -10%,rgba(124,92,255,.24),transparent 62%),radial-gradient(800px 420px at 90% 30%,rgba(0,224,198,.12),transparent 60%)}
.hero-badge{background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.4);color:#c3b4ff}
.hero h1{font-size:54px}
.sec{padding:96px 0}
.sec-head{max-width:780px}
.sec-head h2{font-size:36px}
.sec-head .tag{border-color:rgba(124,92,255,.45);color:#c3b4ff;background:rgba(124,92,255,.08)}
.btn{border-radius:999px}
.btn-main{color:#0b0620;box-shadow:0 10px 28px rgba(124,92,255,.3)}
.btn-ghost{color:#c3b4ff;border-color:rgba(124,92,255,.5)}
.demo{background:linear-gradient(160deg,#1a1742,#100e2c);border-color:#3b3576;border-radius:28px;padding:28px}
.metric-box,.node-card{background:#141236;border-radius:16px}
.demo input[id^=dm-hk]:checked~.demo-panel .node-hk,.demo input[id^=dm-sg]:checked~.demo-panel .node-sg,.demo input[id^=dm-jp]:checked~.demo-panel .node-jp,.demo input[id^=dm-us]:checked~.demo-panel .node-us{border-color:rgba(124,92,255,.8);background:rgba(124,92,255,.12);box-shadow:0 0 20px rgba(124,92,255,.2)}
.stats-band{background:linear-gradient(120deg,#151241,#0b0a20)}
.nodes-sec{background:linear-gradient(180deg,#100e2c,#0b0a20)}
.f-card{border-radius:24px;padding:30px 26px}
.f-card:hover{border-color:rgba(124,92,255,.5);box-shadow:0 20px 46px rgba(50,30,120,.35)}
.f-card .ic{background:rgba(124,92,255,.14);border-radius:16px;width:56px;height:56px}
.s-card .idx{color:rgba(124,92,255,.09)}
.step .arrow{color:rgba(0,224,198,.5)}
.step .num{border-radius:50%}
.node-panel:hover{border-color:rgba(0,224,198,.5)}
.node-panel .bar{background:#221f4d}
.price-card{border-radius:26px}
.price-card.hot{border-color:rgba(124,92,255,.6);background:linear-gradient(165deg,#211d52,#16143a);box-shadow:0 22px 56px rgba(124,92,255,.2)}
.faq-item,.testi-card,.news-card,.dl-card,.art-nav a,.related a,.tldr{border-radius:20px}
.faq-item summary .plus{background:rgba(124,92,255,.16);color:#c3b4ff;border-radius:10px}
.news-card:hover{border-color:rgba(124,92,255,.5)}
.news-card .cate{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.35);color:#c3b4ff}
.news-card .cover{background:#14123a}
.cta{border-radius:32px;padding:70px 34px;background:radial-gradient(700px 340px at 50% -20%,rgba(124,92,255,.26),transparent 62%),linear-gradient(150deg,#1c1850,#100e2c)}
.footer{background:#08071a}
.footer-col a:hover,.footer-bottom a:hover,.crumb a:hover{color:#c3b4ff}
.back-top{border-radius:16px;box-shadow:0 10px 26px rgba(124,92,255,.38)}
.page-head{padding:162px 0 60px;background:radial-gradient(900px 440px at 50% -20%,rgba(124,92,255,.2),transparent 62%)}
.page-head h1{font-size:42px}
.art-lead{background:rgba(124,92,255,.07);border-color:rgba(124,92,255,.25);border-radius:18px}
.art-main .cover{border-radius:24px}
.art-main .body-img{border-radius:20px}
.art-main blockquote{background:#17143e;border-radius:0 18px 18px 0}
.art-nav a:hover,.related a:hover{border-color:rgba(124,92,255,.55);color:#c3b4ff}
.related b,.tldr b,.art-main blockquote b{color:#c3b4ff}
.dl-card:hover{border-color:rgba(124,92,255,.55)}
.answer-lede{background:linear-gradient(90deg,rgba(124,92,255,.12),rgba(0,224,198,.05));border-left-color:#7c5cff;border-radius:18px;color:#e4e0ff}
.keyfacts{border-radius:24px}
.keyfacts li::before{background:#7c5cff}
.side-card{border-radius:20px}
.toc a:hover,.toc a.cur,.hot-list a:hover,.tag-cloud a:hover{color:#5b34d6}
.toc a.cur::before{background:#5b34d6}
.hot-list .r1{background:linear-gradient(135deg,#7c5cff,#00e0c6)}
.container{width:min(1200px,92%)}
.hero-grid{grid-template-columns:1fr;gap:44px;text-align:center}
.hero-sub{margin-left:auto;margin-right:auto;max-width:620px}
.hero-actions,.hero-metrics{justify-content:center}
.hero .answer-lede{margin-left:auto;margin-right:auto}
.features-grid{grid-template-columns:repeat(2,1fr);gap:24px}
.nodes-grid{grid-template-columns:repeat(2,1fr);gap:20px}
.scenario-grid{grid-template-columns:repeat(3,1fr)}
.testi-grid{grid-template-columns:repeat(2,1fr);gap:24px}
.news-grid{grid-template-columns:repeat(2,1fr);gap:26px}
.stats-grid{gap:22px;padding:48px 0}
@media(max-width:992px){.features-grid{grid-template-columns:1fr}.news-grid{grid-template-columns:1fr}}
@media(max-width:768px){.sec{padding:66px 0}}