*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#0a0f1e;color:#eef4ff;line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}::selection{background:#00d9a6;color:#06221c}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;transition:background .35s,box-shadow .35s,backdrop-filter .35s;background:rgba(10,15,30,.25);backdrop-filter:blur(6px)}.nav.scrolled{background:rgba(8,12,24,.88);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.45)}.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:16px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px}.logo img{width:38px;height:38px;border-radius:10px}.logo b{background:linear-gradient(120deg,#00d9a6,#4a7dff);-webkit-background-clip:text;background-clip:text;color:transparent}.nav-menu{display:flex;align-items:center;gap:4px}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;font-size:15px;color:#c7d3ec;transition:color .25s,background .25s}.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}.nav-link .ar{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid currentColor;transition:transform .3s}.nav-item.open .ar{transform:rotate(180deg)}.drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:200px;background:#fff;border-radius:14px;box-shadow:0 16px 48px rgba(0,0,0,.35);padding:8px;opacity:0;visibility:hidden;transition:opacity .3s,transform .3s}.nav-item.open .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.drop a{display:block;padding:9px 14px;border-radius:9px;font-size:14px;color:#2b3a55;transition:background .2s,color .2s}.drop a:hover{background:#eef7ff;color:#0c9c7c}.nav-right{display:flex;align-items:center;gap:12px}.nav-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,#00d9a6,#4a7dff);box-shadow:0 8px 22px rgba(0,217,166,.35);transition:transform .25s,box-shadow .25s}.nav-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(74,125,255,.5)}.burger{display:none;flex-direction:column;gap:5px;padding:10px}.burger span{width:24px;height:2px;background:#eef4ff;border-radius:2px;transition:transform .3s,opacity .3s}.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}.burger.on span:nth-child(2){opacity:0}.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;padding:150px 24px 90px;overflow:hidden;background:radial-gradient(900px 500px at 85% -10%,rgba(74,125,255,.22),transparent 60%),radial-gradient(700px 420px at 10% 20%,rgba(0,217,166,.16),transparent 60%)}.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,30,0),#0a0f1e 92%)}.hero-grid{position:relative;max-width:1200px;margin:0 auto;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(0,217,166,.12);border:1px solid rgba(0,217,166,.35);color:#5ef2c8;font-size:13px;font-weight:600;margin-bottom:22px}.hero-badge i{width:8px;height:8px;border-radius:50%;background:#00d9a6;animation:pulse 1.6s infinite}.hero h1{font-size:48px;line-height:1.25;font-weight:900;margin-bottom:18px}.hero h1 em{font-style:normal;background:linear-gradient(120deg,#00d9a6,#4a7dff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-p{font-size:17px;color:#a9b9d8;max-width:540px;margin-bottom:30px}.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 32px;border-radius:999px;font-size:16px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}.btn-primary{color:#fff;background:linear-gradient(135deg,#00d9a6,#4a7dff);box-shadow:0 10px 26px rgba(0,217,166,.35)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(74,125,255,.5)}.btn-ghost{color:#dce7fb;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18)}.btn-ghost:hover{transform:translateY(-3px);background:rgba(255,255,255,.12)}.hero-stats{display:flex;gap:36px;flex-wrap:wrap}.stat b{display:block;font-size:30px;font-weight:900;background:linear-gradient(120deg,#5ef2c8,#7ea2ff);-webkit-background-clip:text;background-clip:text;color:transparent}.stat span{font-size:13px;color:#8fa1c4}.stat i{display:block;font-style:normal;font-size:12px;color:#5ef2c8;margin-top:2px}
.demo-card{background:linear-gradient(160deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:22px;padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.5);position:relative}.demo-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.demo-dots{display:flex;gap:6px}.demo-dots i{width:10px;height:10px;border-radius:50%}.demo-dots i:nth-child(1){background:#ff5f57}.demo-dots i:nth-child(2){background:#febc2e}.demo-dots i:nth-child(3){background:#28c840}.demo-status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#8fa1c4;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.05)}.demo-status i{width:7px;height:7px;border-radius:50%;background:#5b6b8c}.demo-status.on{color:#5ef2c8;background:rgba(0,217,166,.12)}.demo-status.on i{background:#00d9a6;animation:pulse 1.6s infinite}.gauge{position:relative;width:230px;height:132px;margin:4px auto 6px}.gauge svg{width:100%;height:100%;overflow:visible}.gauge-track{fill:none;stroke:#22324f;stroke-width:13;stroke-linecap:round}.gauge-fill{fill:none;stroke:url(#gg);stroke-width:13;stroke-linecap:round;stroke-dasharray:301;stroke-dashoffset:301;transition:stroke-dashoffset 1.2s cubic-bezier(.25,.8,.35,1)}.gauge-center{position:absolute;left:50%;bottom:2px;transform:translateX(-50%);text-align:center}.gauge-val{font-size:34px;font-weight:900;letter-spacing:.5px}.gauge-val small{font-size:13px;color:#8fa1c4;font-weight:600}.gauge-cap{font-size:11px;color:#8fa1c4;margin-top:-2px}.gauge-needle{position:absolute;left:50%;bottom:10px;width:2.5px;height:88px;transform-origin:bottom center;transform:translateX(-50%) rotate(-90deg);transition:transform 1.2s cubic-bezier(.25,.8,.35,1)}.gauge-needle::before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%,-50%);width:9px;height:9px;border-radius:50%;background:#5ef2c8;box-shadow:0 0 10px #00d9a6}.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 18px}.dm{background:rgba(255,255,255,.045);border:1px solid #22324f;border-radius:12px;padding:10px 8px;text-align:center}.dm span{display:block;font-size:11px;color:#8fa1c4}.dm b{font-size:15px;color:#dce7fb}.demo-row{display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(255,255,255,.045);border:1px solid #22324f;border-radius:12px;padding:10px 14px;margin-bottom:10px;font-size:13px}.demo-node{display:flex;align-items:center;gap:8px;color:#c7d3ec}.demo-node i{width:8px;height:8px;border-radius:50%;background:#febc2e}.demo-node b{color:#fff;font-weight:600}.demo-select{background:#16233f;color:#dce7fb;border:1px solid #2a3c66;border-radius:8px;padding:5px 8px;font-size:12px;outline:none}.demo-connect{width:100%;padding:14px;border-radius:14px;font-size:16px;font-weight:800;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);box-shadow:0 10px 26px rgba(0,217,166,.3);transition:transform .25s,box-shadow .25s}.demo-connect:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(52,183,241,.45)}.demo-connect.connected{background:linear-gradient(135deg,#ff8a5c,#ff5c7a);color:#fff;box-shadow:0 10px 26px rgba(255,92,122,.3)}.demo-toggles{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.switch{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#8fa1c4;background:rgba(255,255,255,.045);border:1px solid #22324f;border-radius:999px;padding:6px 12px;transition:color .25s,border-color .25s}.switch i{width:26px;height:14px;border-radius:999px;background:#22324f;position:relative;transition:background .25s}.switch i::after{content:"";position:absolute;top:2px;left:2px;width:10px;height:10px;border-radius:50%;background:#8fa1c4;transition:left .25s,background .25s}.switch.on{color:#5ef2c8;border-color:rgba(0,217,166,.4)}.switch.on i{background:rgba(0,217,166,.35)}.switch.on i::after{left:14px;background:#5ef2c8}
.sec{padding:84px 24px}.sec-inner{max-width:1200px;margin:0 auto}.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}.sec-tag{display:inline-block;padding:6px 16px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:1px;color:#5ef2c8;background:rgba(0,217,166,.1);border:1px solid rgba(0,217,166,.3);margin-bottom:16px}.sec-title{font-size:34px;font-weight:900;margin-bottom:14px}.sec-desc{font-size:15px;color:#93a5c4}
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.node-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;padding:20px;transition:transform .3s,border-color .3s,box-shadow .3s}.node-card:hover{transform:translateY(-6px);border-color:#00d9a6;box-shadow:0 18px 40px rgba(0,217,166,.15)}.node-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.node-flag{font-size:26px}.node-name{font-weight:800;font-size:16px}.node-ping{font-size:12px;color:#5ef2c8;background:rgba(0,217,166,.1);padding:4px 10px;border-radius:999px}.node-bar{height:6px;border-radius:6px;background:#22324f;overflow:hidden;margin-bottom:10px}.node-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#00d9a6,#4a7dff);transition:width 1.2s ease}.node-meta{display:flex;justify-content:space-between;font-size:12px;color:#8fa1c4}
.speed-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}.speed-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;padding:30px 18px;transition:transform .3s}.speed-card:hover{transform:translateY(-6px)}.speed-card b{display:block;font-size:36px;font-weight:900;background:linear-gradient(120deg,#5ef2c8,#7ea2ff);-webkit-background-clip:text;background-clip:text;color:transparent}.speed-card span{font-size:13px;color:#8fa1c4}
.proto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.proto-card{position:relative;background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;padding:26px;overflow:hidden;transition:transform .3s,border-color .3s}.proto-card:hover{transform:translateY(-6px);border-color:#4a7dff}.proto-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:rgba(0,217,166,.12);margin-bottom:16px}.proto-card h3{font-size:18px;margin-bottom:10px}.proto-card p{font-size:14px;color:#93a5c4}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feat-card{background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:18px;padding:24px;transition:transform .3s,border-color .3s,background .3s}.feat-card:hover{transform:translateY(-6px);border-color:#00d9a6;background:rgba(0,217,166,.05)}.feat-ico{font-size:30px;margin-bottom:14px}.feat-card h3{font-size:16px;margin-bottom:8px}.feat-card p{font-size:13px;color:#93a5c4}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scen-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;padding:24px;transition:transform .3s,border-color .3s}.scen-card:hover{transform:translateY(-6px);border-color:#4a7dff}.scen-ico{font-size:30px;margin-bottom:12px}.scen-card h3{font-size:16px;margin-bottom:8px}.scen-card p{font-size:13px;color:#93a5c4}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}.step{background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:18px;padding:28px 24px;position:relative;transition:transform .3s}.step:hover{transform:translateY(-6px)}.step-num{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);margin-bottom:16px}.step h3{font-size:17px;margin-bottom:8px}.step p{font-size:13px;color:#93a5c4}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}.price-card{position:relative;background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:22px;padding:34px 28px;transition:transform .3s,border-color .3s,box-shadow .3s}.price-card:hover{transform:translateY(-8px)}.price-card.hot{border-color:#00d9a6;box-shadow:0 20px 50px rgba(0,217,166,.18);transform:scale(1.03)}.price-card.hot:hover{transform:scale(1.03) translateY(-8px)}.hot-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);padding:5px 18px;border-radius:999px;font-size:12px;font-weight:800;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);white-space:nowrap}.price-name{font-size:15px;font-weight:700;color:#8fa1c4;margin-bottom:6px}.price-num{font-size:40px;font-weight:900;margin-bottom:2px}.price-num small{font-size:15px;color:#8fa1c4;font-weight:600}.price-desc{font-size:12px;color:#8fa1c4;margin-bottom:20px}.price-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:#c7d3ec;padding:8px 0;border-bottom:1px dashed #22324f}.price-list li::before{content:"✓";color:#00d9a6;font-weight:900}.price-btn{display:block;width:100%;margin-top:22px;padding:13px;border-radius:999px;text-align:center;font-weight:700;font-size:15px;color:#dce7fb;border:1px solid rgba(255,255,255,.2);transition:background .25s,color .25s}.price-btn:hover{background:rgba(255,255,255,.08);color:#fff}.price-card.hot .price-btn{color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);border:none;box-shadow:0 8px 22px rgba(0,217,166,.35)}
.faq-wrap{max-width:820px;margin:0 auto}.faq-item{background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:16px;margin-bottom:14px;overflow:hidden}.faq-q{display:flex;justify-content:space-between;align-items:center;width:100%;padding:18px 22px;font-size:16px;font-weight:700;color:#eef4ff;text-align:left}.faq-q i{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(0,217,166,.14);color:#5ef2c8;display:flex;align-items:center;justify-content:center;font-style:normal;transition:transform .3s}.faq-item.open .faq-q i{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}.faq-a-in{padding:0 22px 20px;font-size:14px;color:#93a5c4}.faq-a-in ol{padding-left:20px;margin-top:8px}.faq-a-in ol li{margin:6px 0}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rev-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;padding:24px}.rev-stars{color:#ffc53d;letter-spacing:2px;margin-bottom:12px}.rev-text{font-size:14px;color:#c7d3ec;margin-bottom:18px}.rev-user{display:flex;align-items:center;gap:12px}.rev-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1)}.rev-name{font-size:14px;font-weight:700}.rev-role{font-size:12px;color:#8fa1c4}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.news-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;overflow:hidden;transition:transform .3s,border-color .3s}.news-card:hover{transform:translateY(-6px);border-color:#00d9a6}.news-img{position:relative;aspect-ratio:16/9;overflow:hidden}.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.news-card:hover .news-img img{transform:scale(1.06)}.news-date{position:absolute;left:12px;bottom:12px;padding:4px 12px;border-radius:999px;font-size:12px;color:#06221c;background:rgba(94,242,200,.92)}.news-body{padding:18px}.news-title{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s}.news-card:hover .news-title{color:#5ef2c8}.news-ex{font-size:13px;color:#8fa1c4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta{position:relative;margin:0 24px 80px;border-radius:28px;overflow:hidden;background:linear-gradient(120deg,#00c79a,#3f6fe0);padding:70px 40px;text-align:center}.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 260px at 50% 0%,rgba(255,255,255,.25),transparent)}.cta-inner{position:relative;max-width:640px;margin:0 auto}.cta h2{font-size:34px;font-weight:900;color:#fff;margin-bottom:14px}.cta p{color:rgba(255,255,255,.85);margin-bottom:28px;font-size:15px}.cta .btn-primary{background:#fff;color:#0b5d4c;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.footer{background:#080d1a;border-top:1px solid #182742;padding:64px 24px 30px}.f-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}.f-brand p{font-size:13px;color:#8fa1c4;margin:14px 0;max-width:300px}.f-title{font-size:15px;font-weight:800;margin-bottom:16px}.f-col a{display:block;font-size:13px;color:#8fa1c4;padding:6px 0;transition:color .25s}.f-col a:hover{color:#5ef2c8}.f-bottom{max-width:1200px;margin:40px auto 0;padding-top:22px;border-top:1px solid #182742;text-align:center;font-size:12px;color:#5b6b8c}
.dl-hero{padding:150px 24px 80px;background:radial-gradient(800px 420px at 80% -10%,rgba(74,125,255,.22),transparent 60%)}.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.ver-card{background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:20px;padding:28px;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}.ver-card:hover{transform:translateY(-6px);border-color:#4a7dff}.ver-name{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:6px}.ver-size{font-size:12px;color:#8fa1c4;margin-bottom:16px}.ver-list{flex:1;margin-bottom:20px}.ver-list li{font-size:13px;color:#c7d3ec;padding:6px 0;display:flex;gap:8px}.ver-list li::before{content:"✓";color:#00d9a6;font-weight:900}.ver-btn{display:block;text-align:center;padding:12px;border-radius:999px;font-weight:700;font-size:14px;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);transition:transform .25s}.ver-btn:hover{transform:translateY(-2px)}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.req-item{background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:14px;padding:18px}.req-item b{display:block;font-size:14px;margin-bottom:6px}.req-item span{font-size:13px;color:#8fa1c4}
.inst-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.inst-card{position:relative;background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:18px;padding:26px 20px}.inst-num{font-size:12px;font-weight:900;color:#5ef2c8;letter-spacing:2px}.inst-card h3{font-size:16px;margin:10px 0 8px}.inst-card p{font-size:13px;color:#93a5c4}
.nl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.nl-card{display:grid;grid-template-columns:240px 1fr;gap:20px;background:linear-gradient(165deg,#121c36,#0d1528);border:1px solid #20315a;border-radius:18px;overflow:hidden;transition:transform .3s,border-color .3s}.nl-card:hover{transform:translateY(-5px);border-color:#00d9a6}.nl-card .news-img{aspect-ratio:auto;height:100%;min-height:160px}.nl-body{padding:18px}.nl-title{font-size:17px;font-weight:800;line-height:1.5;margin-bottom:8px}.nl-ex{font-size:13px;color:#8fa1c4;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.nl-meta{font-size:12px;color:#5ef2c8}
.nd-wrap{max-width:1200px;margin:0 auto;padding:140px 24px 60px;display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}.nd-main{background:linear-gradient(170deg,#101a30,#0c1426);border:1px solid #20315a;border-radius:22px;padding:36px}.crumb{font-size:13px;color:#8fa1c4;margin-bottom:20px}.crumb a{color:#5ef2c8}.crumb a:hover{text-decoration:underline}.nd-h1{font-size:28px;font-weight:900;line-height:1.45;margin-bottom:16px}.nd-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#8fa1c4;padding-bottom:18px;border-bottom:1px solid #20315a;margin-bottom:22px}.nd-cover{border-radius:14px;overflow:hidden;margin-bottom:24px}.nd-cover img{width:100%}.nd-body p{font-size:15px;color:#c7d3ec;margin-bottom:18px;text-align:justify}.nd-body h2{font-size:21px;font-weight:800;margin:30px 0 14px;padding-left:14px;border-left:4px solid #00d9a6}.nd-body img{border-radius:12px;margin:10px 0 22px}.nd-data{background:rgba(0,217,166,.07);border:1px solid rgba(0,217,166,.25);border-radius:14px;padding:18px 22px;margin:20px 0}.nd-data b{color:#5ef2c8}.nd-quote{border-left:3px solid #4a7dff;background:rgba(74,125,255,.08);border-radius:0 12px 12px 0;padding:14px 20px;margin:18px 0;font-size:14px;color:#a9bce0}.nd-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}.nd-card{background:#fff;border-radius:18px;box-shadow:0 14px 40px rgba(0,0,0,.35);padding:22px}.nd-card h3{font-size:15px;font-weight:800;color:#1c2a45;padding-left:12px;border-left:4px solid #00d9a6;margin-bottom:16px}.toc{position:relative;padding-left:18px}.toc::before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:2px;background:#e3ecf8}.toc a{position:relative;display:block;padding:7px 0 7px 18px;font-size:13px;color:#5b6b8c;transition:color .25s}.toc a::before{content:"";position:absolute;left:-15px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:#cdd9ec;border:2px solid #fff;box-shadow:0 0 0 1px #cdd9ec;transition:background .25s}.toc a.cur{color:#0c9c7c;font-weight:800}.toc a.cur::before{background:#00d9a6;box-shadow:0 0 0 3px rgba(0,217,166,.25)}.hot-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed #e6eef9}.hot-item:last-child{border-bottom:none}.hot-num{flex:none;width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff;background:#9fb0cc;transition:transform .25s}.hot-item:nth-child(1) .hot-num{background:linear-gradient(135deg,#00d9a6,#34b7f1)}.hot-item:nth-child(2) .hot-num{background:linear-gradient(135deg,#ff9a3d,#ff6a3d)}.hot-item:nth-child(3) .hot-num{background:linear-gradient(135deg,#ffc53d,#ff8a3d)}.hot-item:hover .hot-num{transform:scale(1.15)}.hot-item a{font-size:13px;color:#3a4c6e;line-height:1.45;transition:color .25s}.hot-item:hover a{color:#0c9c7c}.cat-tags{display:flex;flex-wrap:wrap;gap:8px}.cat-tags a{font-size:12px;color:#5b6b8c;background:#f2f6fd;border:1px solid #e3ecf8;padding:5px 12px;border-radius:999px;transition:color .25s,border-color .25s}.cat-tags a:hover{color:#0c9c7c;border-color:#00d9a6}
.nd-pn{display:flex;justify-content:space-between;gap:14px;margin-top:26px}.nd-pn a{flex:1;font-size:13px;color:#8fa1c4;background:rgba(255,255,255,.04);border:1px solid #20315a;border-radius:12px;padding:12px 16px;transition:color .25s,border-color .25s}.nd-pn a:hover{color:#5ef2c8;border-color:#00d9a6}.nd-pn a.next{text-align:right}.nd-rel{margin-top:26px}.nd-rel h3{font-size:16px;font-weight:800;margin-bottom:14px}.nd-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.nd-rel-grid a{font-size:13px;color:#8fa1c4;background:rgba(255,255,255,.04);border:1px solid #20315a;border-radius:12px;padding:12px;transition:color .25s,border-color .25s}.nd-rel-grid a:hover{color:#5ef2c8;border-color:#00d9a6}.cm-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid #20315a}.cm-avatar{flex:none;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#06221c;background:linear-gradient(135deg,#5ef2c8,#34b7f1);font-size:16px}.cm-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}.cm-name{font-size:14px;font-weight:700}.cm-date{font-size:12px;color:#8fa1c4}.cm-text{font-size:13px;color:#a9b9d8}
.e404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px;background:radial-gradient(700px 400px at 50% 30%,rgba(0,217,166,.14),transparent)}.e404 h1{font-size:120px;font-weight:900;line-height:1;background:linear-gradient(120deg,#00d9a6,#4a7dff);-webkit-background-clip:text;background-clip:text;color:transparent}.e404 p{color:#93a5c4;margin:18px 0 30px}.map-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:left}.map-col{background:rgba(255,255,255,.03);border:1px solid #1c2946;border-radius:16px;padding:22px}.map-col h3{font-size:16px;margin-bottom:14px;color:#5ef2c8}.map-col a{display:block;font-size:14px;color:#93a5c4;padding:6px 0;transition:color .25s}.map-col a:hover{color:#5ef2c8}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(max-width:992px){.nav-menu{position:fixed;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:#0b1224;padding:12px 16px 20px;gap:2px;max-height:0;overflow:hidden;transition:max-height .4s ease;box-shadow:0 20px 40px rgba(0,0,0,.5)}.nav-menu.open{max-height:80vh;overflow-y:auto}.nav-item{position:relative}.drop{position:static;transform:none;min-width:0;background:rgba(255,255,255,.04);box-shadow:none;padding:4px 8px;display:none;opacity:1;visibility:visible;margin:0}.nav-item.open .drop{display:block}.drop a{color:#c7d3ec}.drop a:hover{background:rgba(255,255,255,.08);color:#fff}.burger{display:flex}.hero-grid{grid-template-columns:1fr;gap:44px}.hero h1{font-size:38px}.node-grid,.speed-grid{grid-template-columns:repeat(2,1fr)}.proto-grid,.feat-grid{grid-template-columns:repeat(2,1fr)}.scen-grid{grid-template-columns:repeat(2,1fr)}.steps,.price-grid,.ver-grid,.req-grid,.inst-grid{grid-template-columns:repeat(2,1fr)}.price-card.hot{transform:none}.price-card.hot:hover{transform:translateY(-8px)}.rev-grid,.news-grid{grid-template-columns:repeat(2,1fr)}.f-inner{grid-template-columns:1fr 1fr}.nd-wrap{grid-template-columns:1fr;padding-top:120px}.nd-side{position:static}.nl-grid{grid-template-columns:1fr}.nd-rel-grid{grid-template-columns:1fr}}
@media(max-width:768px){.sec{padding:60px 18px}.sec-title{font-size:26px}.hero{padding:130px 18px 60px}.hero h1{font-size:31px}.hero-p{font-size:15px}.stat b{font-size:24px}.demo-card{padding:20px}.gauge{width:200px}.feat-grid{grid-template-columns:repeat(2,1fr)}.map-links{grid-template-columns:1fr 1fr}.nl-card{grid-template-columns:1fr}.nl-card .news-img{aspect-ratio:16/9;min-height:auto}.nd-main{padding:24px}.nd-h1{font-size:22px}.cta{padding:50px 24px}.cta h2{font-size:26px}}
@media(max-width:480px){.nav-inner{padding:12px 16px}.hero-stats{gap:20px}.hero-cta .btn{width:100%}.node-grid,.speed-grid,.proto-grid,.feat-grid,.scen-grid,.steps,.price-grid,.ver-grid,.req-grid,.inst-grid,.rev-grid,.news-grid{grid-template-columns:1fr}.gauge{width:170px;height:110px}.demo-metrics{gap:6px}.f-inner{grid-template-columns:1fr;gap:26px}.map-links{grid-template-columns:1fr}.nd-h1{font-size:20px}.nd-pn{flex-direction:column}.nav-btn{padding:9px 16px;font-size:14px}.btn{padding:13px 24px;font-size:15px}}