*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#0b1f18;background:#f4faf7;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:0;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{background:linear-gradient(135deg,#34d399,#059669);color:#fff;box-shadow:0 8px 24px rgba(16,185,129,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(16,185,129,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#d7f5e8;border:1px solid rgba(52,211,153,.4)}
.btn-ghost:hover{background:rgba(52,211,153,.16)}
.btn-lg{padding:15px 34px;font-size:16px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(4,23,19,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(52,211,153,.18);transition:background .3s}
html.js .nav.scrolled{background:rgba(3,17,14,.97)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff}
.brand img{width:34px;height:34px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:flex;align-items:center;gap:4px;padding:9px 14px;border-radius:10px;color:#cfeadd;font-size:15px;cursor:pointer;border:0;background:none}
.nav-link:hover{color:#fff;background:rgba(52,211,153,.12)}
.arr{font-size:10px;transition:transform .3s;display:inline-block}
.nav-group{position:relative}
.nav-group:hover>.nav-link .arr{transform:rotate(180deg)}
.submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:190px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(2,20,15,.2);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;z-index:20}
.nav-group:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:9px 14px;border-radius:9px;color:#22463a;font-size:14px}
.submenu a:hover{background:#e8f8f0;color:#059669}
.nav-cta{margin-left:6px;padding:10px 22px;font-size:14px}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-burger span{width:22px;height:2px;background:#d7f5e8;border-radius:2px;transition:.3s}
.nav-check{display:none}
.group-check{display:none}
.hero{padding:150px 0 84px;background:radial-gradient(1100px 560px at 82% -10%,rgba(52,211,153,.26),transparent 60%),linear-gradient(180deg,#041713,#06261d);color:#eafff5;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(52,211,153,.14);border:1px solid rgba(52,211,153,.3);color:#6ee7b7;font-size:13px;font-weight:600}
.hero h1{font-size:46px;line-height:1.28;font-weight:800;margin:18px 0 16px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#6ee7b7,#34d399);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:#a7dcc8;max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:46px;flex-wrap:wrap}
.hstat b{font-size:30px;color:#6ee7b7;display:block;line-height:1.2}
.hstat span{font-size:13px;color:#8fb9a9}
.demo{background:#0a2a20;border:1px solid rgba(52,211,153,.25);border-radius:20px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.45)}
.demo-head{display:flex;align-items:center;gap:8px;padding:12px 18px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(52,211,153,.15)}
.demo-dots i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;background:#34d399;opacity:.85}
.demo-dots i:nth-child(2){background:#fbbf24}
.demo-dots i:nth-child(3){background:#f87171}
.demo-title{font-size:13px;color:#cfeadd}
.demo-ver{margin-left:auto;font-size:12px;color:#6f9c8c}
.demo-body{padding:22px;display:flex;flex-direction:column;gap:15px}
.demo-connect{display:none}
.demo-gauge{display:flex;justify-content:center;padding:4px 0 2px}
.gauge{position:relative;width:168px;height:168px;border-radius:50%;background:conic-gradient(from -70deg,#34d399 0deg 170deg,#fbbf24 170deg 215deg,#f87171 215deg 250deg,#1e4a3a 250deg 360deg)}
.gauge::before{content:"";position:absolute;inset:16px;border-radius:50%;background:#0a2a20}
.gauge-needle{position:absolute;left:50%;bottom:50%;width:3px;height:44%;background:#fff;border-radius:3px;transform-origin:50% 100%;transform:rotate(-70deg);transition:transform 1s cubic-bezier(.6,.05,.28,1.2);z-index:2}
.demo-connect:checked~.demo-gauge .gauge-needle{transform:rotate(160deg)}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:3}
.gauge-ping{font-size:30px;color:#6ee7b7;font-weight:800;line-height:1.1}
.gauge-ping small{font-size:13px;color:#8fb9a9;margin-left:2px}
.gauge-label{font-size:12px;color:#7fb59f;margin-top:2px}
.demo-connect:not(:checked)~.demo-gauge .on{display:none}
.demo-connect:checked~.demo-gauge .off{display:none}
.demo-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dstat{background:rgba(255,255,255,.045);border:1px solid rgba(52,211,153,.14);border-radius:12px;padding:10px 12px;text-align:center}
.dstat span{display:block;font-size:11px;color:#7fb59f}
.dstat b{font-size:17px;color:#eafff5}
.dstat b small{font-size:11px;color:#8fb9a9}
.demo-nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.dnode input{display:none}
.dnode span{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:10px;background:rgba(255,255,255,.045);border:1px solid transparent;cursor:pointer;font-size:13px;color:#cfeadd}
.dnode b{font-weight:600}
.dnode i{font-style:normal;font-size:12px;color:#7fb59f}
.dnode input:checked+span{background:rgba(52,211,153,.16);border-color:#34d399;color:#6ee7b7}
.demo-switches{display:flex;gap:8px;flex-wrap:wrap}
.dswitch input{display:none}
.dswitch span{display:inline-block;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(52,211,153,.16);font-size:12px;color:#9fd6bf;cursor:pointer;transition:.25s}
.dswitch input:checked+span{background:rgba(52,211,153,.18);border-color:#34d399;color:#6ee7b7}
.demo-status{text-align:center;font-size:12px;color:#7fb59f;min-height:18px}
.demo-status .connected{display:none}
.demo-status .connecting{display:none}
.demo-connect:checked~.demo-status .idle{display:none}
.demo-connect:checked~.demo-status .connected{display:block}
.demo-connect-btn{display:block;text-align:center;padding:13px;border-radius:14px;background:linear-gradient(135deg,#34d399,#059669);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:.25s;box-shadow:0 10px 24px rgba(16,185,129,.35)}
.demo-connect-btn:hover{filter:brightness(1.08)}
.demo-connect-btn .on{display:none}
.demo-connect:checked~.demo-connect-btn .off{display:none}
.demo-connect:checked~.demo-connect-btn .on{display:inline}
.demo-connect:checked~.demo-connect-btn{box-shadow:0 0 0 3px rgba(52,211,153,.35),0 10px 24px rgba(16,185,129,.35)}
.sec{padding:86px 0}
.sec-dark{background:linear-gradient(180deg,#05201a,#041713);color:#eafff5}
.sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
.sec-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(16,185,129,.12);color:#059669;font-size:13px;font-weight:600;margin-bottom:14px}
.sec-dark .sec-tag{background:rgba(52,211,153,.14);color:#6ee7b7}
.sec-head h2{font-size:32px;margin-bottom:12px;line-height:1.4}
.sec-head p{color:#5b7a6f;font-size:15px}
.sec-dark .sec-head p{color:#8fb9a9}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid rgba(16,185,129,.12);border-radius:18px;padding:26px;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(5,32,26,.12)}
.card .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#047857;margin-bottom:16px}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14px;color:#5b7a6f}
.sec-dark .card{background:rgba(255,255,255,.04);border-color:rgba(52,211,153,.18)}
.sec-dark .card p{color:#8fb9a9}
.sec-dark .card h3{color:#eafff5}
.sec-dark .card .ic{background:rgba(52,211,153,.16);color:#6ee7b7}
.node-table{background:#fff;border-radius:18px;overflow:hidden;border:1px solid rgba(16,185,129,.12);max-width:900px;margin:0 auto}
.node-row{display:grid;grid-template-columns:2fr 1fr 1fr;padding:15px 24px;border-bottom:1px solid #eef7f2;align-items:center}
.node-row:last-child{border-bottom:none}
.node-row.head{background:#f0faf5;font-size:13px;color:#44685a;font-weight:600}
.node-row b{font-size:15px}
.node-row i{font-style:normal;font-size:14px;color:#059669;font-weight:700}
.node-row span{font-size:13px;color:#5d8a79}
.speed-bars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sbar{background:#fff;border-radius:18px;padding:26px;border:1px solid rgba(16,185,129,.12)}
.sbar .sval{font-size:28px;font-weight:800;color:#059669}
.sbar .strack{height:8px;background:#e8f8f0;border-radius:4px;margin:14px 0 8px;overflow:hidden}
.sbar .sfill{height:100%;background:linear-gradient(90deg,#34d399,#059669);border-radius:4px}
.sbar p{font-size:13px;color:#5b7a6f}
.protocol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.protocol-grid .card{text-align:left}
.protocol-grid .card .ic{margin-bottom:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border-radius:18px;padding:30px;border:1px solid rgba(16,185,129,.12);position:relative}
.step .snum{font-size:38px;font-weight:800;color:#a9dcbf;line-height:1}
.step h3{margin:12px 0 8px;font-size:17px}
.step p{font-size:14px;color:#5b7a6f}
.sec-dark .step{background:rgba(255,255,255,.04);border-color:rgba(52,211,153,.18)}
.sec-dark .step .snum{color:rgba(52,211,153,.25)}
.sec-dark .step h3{color:#eafff5}
.sec-dark .step p{color:#8fb9a9}
.scenario{background:#fff;border-radius:18px;padding:28px;border:1px solid rgba(16,185,129,.12);transition:transform .3s,box-shadow .3s}
.scenario:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(5,32,26,.12)}
.scenario .ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#047857;margin-bottom:14px}
.scenario .ic svg{width:22px;height:22px}
.scenario h3{font-size:17px;margin-bottom:8px}
.scenario p{font-size:13.5px;color:#5b7a6f}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{background:#fff;border:1px solid rgba(16,185,129,.14);border-radius:22px;padding:36px 28px;display:flex;flex-direction:column;position:relative}
.plan.hot{background:linear-gradient(180deg,#04382a,#05201a);border-color:#34d399;transform:scale(1.03);box-shadow:0 24px 60px rgba(4,56,42,.4)}
.plan.hot h3{color:#eafff5}
.plan.hot .pdesc{color:#8fb9a9}
.plan-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#34d399,#059669);color:#fff;font-size:12px;font-weight:700;padding:6px 18px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:19px;margin-bottom:2px;color:#0b1f18}
.plan .pdesc{font-size:13px;color:#5d8a79;margin-bottom:10px}
.plan .price{font-size:40px;font-weight:800;margin:6px 0 2px;color:#059669}
.plan.hot .price{color:#6ee7b7}
.plan .price small{font-size:14px;font-weight:400;color:#6d9485}
.plan.hot .price small{color:#8fb9a9}
.plan ul{flex:1;margin:18px 0 26px;display:flex;flex-direction:column;gap:10px}
.plan li{font-size:14px;color:#44685a;display:flex;gap:8px;align-items:flex-start}
.plan.hot li{color:#a7dcc8}
.plan li::before{content:"✓";color:#059669;font-weight:700;flex:none}
.plan.hot li::before{color:#6ee7b7}
.plan .btn{width:100%}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid rgba(16,185,129,.14);border-radius:16px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:#059669;transition:transform .3s;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-ans{padding:0 24px 22px;color:#44685a;font-size:14.5px}
.faq-ans ol{margin:8px 0 0 18px;list-style:decimal}
.faq-ans li{margin-bottom:6px}
.tcard{background:#fff;border-radius:18px;padding:26px;border:1px solid rgba(16,185,129,.12)}
.tcard .tstars{color:#f59e0b;font-size:14px;margin-bottom:10px;letter-spacing:2px}
.tcard p{font-size:14px;color:#44685a;margin-bottom:16px}
.tuser{display:flex;align-items:center;gap:10px}
.tavatar{flex:none;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#34d399,#059669);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.tuser b{font-size:14px;display:block;line-height:1.3;color:#0b1f18}
.tuser span{font-size:12px;color:#6d9485}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border-radius:18px;overflow:hidden;border:1px solid rgba(16,185,129,.12);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(5,32,26,.12)}
.ncard img{width:100%;height:190px;object-fit:cover}
.ncard-body{padding:20px;display:flex;flex-direction:column;flex:1}
.nmeta{font-size:12px;color:#5d8a79;display:flex;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.ncard h3{font-size:16px;line-height:1.55;margin-bottom:8px}
.ncard h3 a:hover{color:#059669}
.ncard p{font-size:13.5px;color:#5b7a6f;flex:1}
.nmore{margin-top:12px;font-size:13px;color:#059669;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.nmore:hover{gap:8px}
.cta{background:linear-gradient(135deg,#05201a,#04382a);padding:76px 0;text-align:center;color:#eafff5}
.cta h2{font-size:30px;margin-bottom:12px}
.cta p{color:#8fb9a9;margin-bottom:28px;font-size:15px}
.footer{background:#03140f;color:#9fd6bf;padding:64px 0 0}
.footer-grid{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.fcol h4{color:#eafff5;font-size:15px;margin-bottom:16px}
.fcol a{display:block;font-size:14px;color:#8fb9a9;margin-bottom:10px}
.fcol a:hover{color:#6ee7b7}
.fdesc{font-size:13.5px;line-height:1.9;margin:14px 0;color:#8fb9a9}
.ficp{font-size:12px;color:#5f8a79;margin-top:14px}
.footer-bar{max-width:1200px;margin:34px auto 0;padding:18px 20px 22px;border-top:1px solid rgba(52,211,153,.14);font-size:12px;color:#5f8a79;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer .brand{color:#fff}
.page-head{padding:140px 0 56px;background:radial-gradient(900px 420px at 80% -10%,rgba(52,211,153,.22),transparent 60%),linear-gradient(180deg,#041713,#06261d);color:#eafff5;text-align:center}
.page-head h1{font-size:34px;margin:14px 0 12px}
.page-head p{color:#8fb9a9;font-size:15px;max-width:640px;margin:0 auto}
.breadcrumb{font-size:13px;color:#7fb59f;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:14px}
.breadcrumb a{color:#6ee7b7}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:#5f8a79}
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;padding:56px 0 80px}
.article{background:#fff;border-radius:20px;padding:38px 42px;border:1px solid rgba(16,185,129,.12)}
.article .breadcrumb{justify-content:flex-start;margin:0 0 14px}
.article h1{font-size:27px;line-height:1.5;margin:12px 0 18px}
.article-meta{display:flex;gap:16px;font-size:13px;color:#6d9485;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid #eef7f2;margin-bottom:22px}
.article h2{font-size:20px;margin:30px 0 14px;padding-left:12px;border-left:4px solid #34d399;line-height:1.5}
.article p{margin-bottom:16px;font-size:15px;color:#2c4a3f;text-align:justify}
.article img{border-radius:14px;margin:6px 0 18px;width:100%}
.article .figcap{font-size:12px;color:#6d9485;text-align:center;margin:-12px 0 20px}
.sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:20px}
.sbox{background:#fff;border-radius:16px;padding:20px;border:1px solid rgba(16,185,129,.12)}
.sbox h4{font-size:15px;margin-bottom:14px;padding-left:10px;border-left:3px solid #34d399}
.toc-item{position:relative;padding:0 0 13px 18px;border-left:2px solid #d6eee3}
.toc-item:last-child{border-left-color:transparent;padding-bottom:2px}
.toc-item::before{content:"";position:absolute;left:-6px;top:3px;width:10px;height:10px;border-radius:50%;background:#d6eee3;border:2px solid #fff;box-shadow:0 0 0 1px #d6eee3;transition:.25s}
.toc-item a{font-size:13.5px;color:#44685a;line-height:1.5}
.toc-item.active::before{background:#10b981;box-shadow:0 0 0 1px #10b981}
.toc-item.active a{color:#059669;font-weight:700}
.rank-item{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.rank-item:last-child{margin-bottom:2px}
.rank-badge{flex:none;width:22px;height:22px;border-radius:7px;background:#e2e8f0;color:#64748b;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .25s}
.rank-item:nth-child(1) .rank-badge{background:linear-gradient(135deg,#34d399,#059669);color:#fff}
.rank-item:nth-child(2) .rank-badge{background:linear-gradient(135deg,#fb923c,#ea580c);color:#fff}
.rank-item:nth-child(3) .rank-badge{background:linear-gradient(135deg,#fbbf24,#d97706);color:#fff}
.rank-item a{font-size:13px;color:#2c4a3f;line-height:1.45}
.rank-item:hover .rank-badge{transform:scale(1.18)}
.rank-item:hover a{color:#059669}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12px;color:#44685a;background:#f0faf5;border:1px solid transparent;padding:5px 12px;border-radius:999px;transition:.25s}
.tags a:hover{color:#059669;border-color:#34d399;background:#e8f8f0}
.comments{margin-top:36px;border-top:1px solid #e3f2ea;padding-top:26px}
.comments h3{font-size:17px;margin-bottom:18px}
.citem{display:flex;gap:12px;margin-bottom:18px}
.cavatar{flex:none;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#a7f3d0,#34d399);color:#04382a;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.cbody b{font-size:13.5px}
.cbody time{font-size:12px;color:#6d9485;margin-left:8px}
.cbody p{font-size:13.5px;color:#44685a;margin-top:4px;text-align:left}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:32px;border-top:1px solid #e3f2ea;padding-top:22px;flex-wrap:wrap}
.article-nav a{font-size:13.5px;color:#059669;background:#f0faf5;padding:10px 16px;border-radius:12px;flex:1;min-width:200px;line-height:1.5}
.article-nav a:hover{background:#e8f8f0}
.article-nav .next{text-align:right}
.relate{margin-top:40px}
.relate h3{font-size:18px;margin-bottom:18px}
.relate .news-grid{grid-template-columns:repeat(3,1fr)}
.ver-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ver-card{background:#fff;border-radius:18px;padding:26px;border:1px solid rgba(16,185,129,.12);display:flex;flex-direction:column}
.ver-card h3{font-size:17px}
.ver-card .vmeta{font-size:12px;color:#5d8a79;margin:6px 0 14px}
.ver-card ul{flex:1;margin-bottom:18px}
.ver-card li{font-size:13px;color:#44685a;padding:4px 0}
.ver-card li::before{content:"✓";color:#059669;font-weight:700;margin-right:6px}
.ver-card .btn{width:100%;padding:10px 20px;font-size:14px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-item{background:#fff;border-radius:16px;padding:22px;border:1px solid rgba(16,185,129,.12)}
.req-item b{display:block;font-size:15px;margin-bottom:6px;color:#0b1f18}
.req-item span{font-size:13.5px;color:#5b7a6f}
.smap-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:960px;margin:0 auto}
.smap-card{background:#fff;border-radius:18px;padding:28px;border:1px solid rgba(16,185,129,.12)}
.smap-card h3{margin-bottom:14px;font-size:17px}
.smap-card a{display:block;font-size:14px;color:#44685a;padding:8px 0;border-bottom:1px dashed #e3f2ea}
.smap-card a:hover{color:#059669}
.smap-card a:last-child{border-bottom:none}
.err{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(800px 400px at 50% -10%,rgba(52,211,153,.2),transparent 60%),#041713;color:#eafff5;padding:120px 20px}
.err h1{font-size:96px;line-height:1;background:linear-gradient(135deg,#6ee7b7,#34d399);-webkit-background-clip:text;background-clip:text;color:transparent}
.err h2{font-size:22px;margin:18px 0 10px}
.err p{color:#8fb9a9;margin-bottom:30px;font-size:15px}
.err .bar{width:220px;height:4px;background:rgba(52,211,153,.15);border-radius:2px;overflow:hidden;margin-bottom:28px}
.err .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#34d399,#6ee7b7);animation:bar 3s linear forwards}
@keyframes bar{from{width:0}to{width:100%}}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.nav-burger{display:flex}
.nav-menu{position:fixed;top:64px;left:0;right:0;background:#041713;flex-direction:column;align-items:stretch;padding:14px 20px 28px;gap:4px;display:none;max-height:calc(100vh - 64px);overflow:auto;border-bottom:1px solid rgba(52,211,153,.2)}
.nav-check:checked~.nav-menu{display:flex}
.nav-group:hover .submenu{opacity:0;visibility:hidden;transform:translateY(8px)}
.submenu{position:static;background:transparent;box-shadow:none;padding:0 0 0 16px;opacity:1;visibility:visible;transform:none;display:none;min-width:0;transition:none}
.group-check:checked~.submenu{display:block}
.submenu a{color:#9fd6bf;padding:10px 14px}
.group-check:checked+.nav-link .arr{transform:rotate(180deg)}
.nav-cta{margin:10px 0 0}
.hero{padding:130px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:36px}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(2,1fr)}
.article-wrap{grid-template-columns:1fr;padding:40px 0 64px}
.sidebar{position:static}
.ver-grid{grid-template-columns:repeat(2,1fr)}
.steps4{grid-template-columns:repeat(2,1fr)}
.req-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.plan.hot{transform:none}
.footer-grid{grid-template-columns:1fr 1fr}
.relate .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.sec{padding:60px 0}
.sec-head h2{font-size:26px}
.hero h1{font-size:30px}
.hero-sub{font-size:15px}
.hero-stats{gap:26px}
.hstat b{font-size:24px}
.grid-4{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.relate .news-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.steps4{grid-template-columns:1fr}
.req-grid{grid-template-columns:1fr}
.speed-bars{grid-template-columns:1fr}
.protocol-grid{grid-template-columns:1fr}
.ver-grid{grid-template-columns:1fr}
.article{padding:26px 22px}
.article h1{font-size:22px}
.article h2{font-size:18px}
.smap-grid{grid-template-columns:1fr}
.page-head{padding:120px 0 44px}
.page-head h1{font-size:26px}
.cta h2{font-size:24px}
.node-row{padding:13px 16px}
.footer{padding:48px 0 0}
}
@media(max-width:480px){
.hero-actions .btn{width:100%}
.hero{padding:116px 0 56px}
.footer-grid{grid-template-columns:1fr}
.demo-body{padding:16px}
.gauge{width:150px;height:150px}
.gauge-ping{font-size:26px}
.demo-stats{grid-template-columns:repeat(3,1fr);gap:6px}
.dstat{padding:8px}
.dstat b{font-size:14px}
.brand{font-size:17px}
.err h1{font-size:64px}
}