:root{--ink:#0b1728;--muted:#5a687b;--surface:#fff;--surface-soft:#f3f7f9;--line:#dce5e9;--navy:#07111f;--navy-soft:#102238;--mint:#43e6b5;--mint-deep:#0c7c60;--blue:#4c8dff;--amber:#f0b44c;--red:#e26767;--radius:22px;--shadow:0 20px 60px #07111f1f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--surface);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,select,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.shell{width:min(1180px,100% - 40px);margin-inline:auto}.narrow{width:min(780px,100% - 40px)}.skip-link{z-index:100;background:var(--mint);color:var(--navy);border-radius:8px;padding:10px 16px;font-weight:800;position:fixed;top:-60px;left:16px}.skip-link:focus{top:16px}.site-header{z-index:20;background:var(--navy);color:#f6fbff;border-bottom:1px solid #ffffff1a;position:relative}.nav-shell{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-weight:820;display:inline-flex}.brand-mark{border:1px solid #43e6b580;border-radius:9px;place-content:center;gap:2px;width:30px;height:30px;display:grid;transform:rotate(45deg)}.brand-mark i{background:var(--mint);border-radius:10px;height:2px;display:block;transform:rotate(-45deg)}.brand-mark i:first-child{width:12px}.brand-mark i:nth-child(2){width:8px}.brand-mark i:nth-child(3){width:4px}.site-header nav{color:#c8d3df;gap:28px;font-size:.92rem;display:flex}.site-header nav a:hover{color:var(--mint)}.hero{color:#fff;background:var(--navy);padding:74px 0 86px;position:relative;overflow:hidden}.hero:before{content:"";opacity:.13;background-image:linear-gradient(#ffffff21 1px,#0000 1px),linear-gradient(90deg,#ffffff21 1px,#0000 1px);background-size:42px 42px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 90%);mask-image:linear-gradient(#000,#0000 90%)}.hero-glow{filter:blur(90px);background:#43e6b52b;border-radius:50%;width:620px;height:620px;position:absolute;top:-300px;right:-170px}.hero-grid{grid-template-columns:1.08fr .92fr;align-items:center;gap:78px;display:grid;position:relative}.eyebrow{color:var(--mint-deep);letter-spacing:.13em;text-transform:uppercase;align-items:center;gap:9px;font-size:.74rem;font-weight:800;display:inline-flex}.hero .eyebrow,.page-hero .eyebrow{color:var(--mint)}.pulse-dot{background:var(--mint);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 6px #43e6b51f}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.12}.hero h1{max-width:720px;margin:22px 0 24px;font-size:clamp(2.7rem,5.2vw,5.5rem);font-weight:850}.hero-lead{color:#c1cfdd;max-width:660px;font-size:clamp(1.03rem,1.6vw,1.22rem);line-height:1.7}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.button{cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;font-weight:780;transition:transform .18s,background .18s,border-color .18s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button-primary{color:#06150f;background:var(--mint);box-shadow:0 10px 32px #43e6b533}.button-primary:hover{background:#72efc9}.button-secondary{color:#eef8ff;background:#ffffff12;border:1px solid #ffffff29}.button-secondary:hover{background:#ffffff1c}.button-light{color:var(--ink);border:1px solid var(--line);background:#fff}.button-danger{color:#8d2424;background:#fff5f5;border:1px solid #f2caca}.button:disabled{opacity:.52;cursor:not-allowed;transform:none}.trust-list{color:#9fb1c2;flex-wrap:wrap;gap:10px 22px;margin:32px 0 0;padding:0;font-size:.82rem;list-style:none;display:flex}.trust-list li:before{content:"✓";color:var(--mint);margin-right:7px;font-weight:900}.network-visual{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(145deg,#ffffff14,#ffffff06);border:1px solid #ffffff21;border-radius:26px;padding:22px;box-shadow:0 30px 90px #0000004d}.visual-head{color:#8ca0b4;letter-spacing:.14em;justify-content:space-between;font-size:.65rem;font-weight:800;display:flex}.status-pill{color:var(--mint);letter-spacing:.04em;background:#43e6b51a;border-radius:99px;padding:4px 9px}.path-row{grid-template-columns:76px 1fr 76px;align-items:center;margin:32px 0 14px;display:grid}.device-node{text-align:center;color:#aebdcc;font-size:.7rem}.device-node small{white-space:nowrap;margin-top:6px;display:block}.node-icon{width:52px;height:52px;color:var(--mint);background:#43e6b514;border:1px solid #43e6b573;border-radius:16px;place-items:center;margin:auto;font-size:1rem;font-weight:900;display:grid}.path-line{text-align:center;color:#fff;font-size:.76rem;position:relative}.path-line i{background:linear-gradient(90deg, #43e6b540, var(--mint), #43e6b540);height:2px;margin:0 12px 9px;display:block;position:relative;overflow:hidden}.path-line i:after{content:"";width:7px;height:7px;box-shadow:0 0 8px var(--mint);background:#fff;border-radius:50%;animation:2.2s linear infinite flow;position:absolute;top:-2px}.path-line small{color:#7f93a7;margin-top:3px;display:block}.router-row{color:#7890a5;grid-template-columns:1fr auto 1fr;align-items:center;display:grid}.router-row>span{background:#ffffff17;height:1px}.router-node{text-transform:uppercase;letter-spacing:.1em;border:1px solid #ffffff1f;border-radius:10px;padding:10px 18px;font-size:.68rem}.router-node i{background:var(--mint);border-radius:50%;width:3px;height:3px;margin-right:4px;display:inline-block}.internet-row{margin-top:14px}.compact .node-icon{color:#80adff;background:#4c8dff14;border-color:#4c8dff80;width:42px;height:42px}.cloud-node{color:#a9c7ff;text-align:center;border:1px solid #4c8dff66;border-radius:99px;padding:11px 8px;font-size:.67rem}.visual-note{color:#d9e4ee;border-top:1px solid #ffffff17;align-items:center;gap:11px;margin-top:26px;padding-top:18px;font-size:.76rem;display:flex}.visual-note small{color:#7f93a7;display:block}.lock-dot{width:30px;height:30px;color:var(--mint);background:#43e6b51a;border-radius:50%;place-content:center;display:grid}@keyframes flow{0%{left:-8px}to{left:100%}}.tool-section{padding-block:84px;scroll-margin-top:20px}.section-heading{max-width:680px;margin-bottom:34px}.section-heading h2,.split-content h2{margin:10px 0 14px;font-size:clamp(2rem,3.6vw,3.35rem)}.section-heading p,.split-content p{color:var(--muted);font-size:1.05rem}.tool-loading{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-soft);min-height:260px;color:var(--muted);justify-content:center;align-items:center;gap:12px;display:flex}.loader{border:2px solid var(--line);border-top-color:var(--mint-deep);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.tester-shell{background:var(--navy);color:#fff;box-shadow:var(--shadow);border-radius:28px;overflow:hidden}.tester-tabs{background:#0d1a2b;border-bottom:1px solid #ffffff17;grid-template-columns:1fr 1fr;display:grid}.tester-tab{color:#8fa2b5;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:18px 20px;font-weight:780}.tester-tab[aria-selected=true]{color:#fff;border-color:var(--mint);background:#43e6b50d}.tester-body{min-height:420px;padding:clamp(22px,4vw,44px)}.panel-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px;display:flex}.panel-heading h3{margin-bottom:8px;font-size:1.65rem}.panel-heading p{color:#9fb0c0;max-width:660px;margin-bottom:0}.privacy-badge{color:var(--mint);background:#43e6b50f;border:1px solid #43e6b53d;border-radius:99px;flex:none;padding:7px 11px;font-size:.72rem;font-weight:800}.form-row{flex-wrap:wrap;align-items:end;gap:14px;display:flex}.field{gap:7px;min-width:210px;display:grid}.field label{color:#b9c6d2;font-size:.8rem;font-weight:700}.field select,.code-input{color:#fff;background:#132439;border:1px solid #2a3b50;border-radius:11px;min-height:48px;padding:10px 13px}.field select option{color:var(--ink);background:#fff}.status-region{color:#adc0d0;min-height:26px;margin-top:22px}.error-box,.warning-box,.success-box{border-radius:14px;margin:18px 0;padding:14px 16px;font-size:.9rem}.error-box{color:#ffd0d0;background:#e267671f;border:1px solid #e2676740}.warning-box{color:#ffe6b7;background:#f0b44c1a;border:1px solid #f0b44c40}.warning-box code{overflow-wrap:anywhere}.success-box{color:#baf7e4;background:#43e6b514;border:1px solid #43e6b538}.pairing-grid{grid-template-columns:auto 1fr;align-items:center;gap:24px;margin-top:22px;display:grid}.qr-frame{background:#fff;border-radius:16px;place-items:center;width:164px;height:164px;display:grid;overflow:hidden}.qr-frame img{width:148px;height:148px}.pairing-code{letter-spacing:.12em;color:var(--mint);margin:5px 0 10px;font-size:clamp(1.6rem,4vw,2.6rem);font-weight:900}.pair-link{color:#91b7ff;overflow-wrap:anywhere;font-size:.84rem}.receiver-fallbacks{margin-top:14px}.receiver-fallbacks small{color:#8ea0b2}.inline-actions{flex-wrap:wrap;gap:9px;margin-top:14px;display:flex}.inline-actions .button{min-height:42px;padding:9px 14px;font-size:.84rem}.progress-wrap{margin:26px 0}.progress-label{color:#b9c7d3;justify-content:space-between;margin-bottom:8px;font-size:.82rem;display:flex}.progress-track{background:#213247;border-radius:99px;height:8px;overflow:hidden}.progress-bar{border-radius:inherit;background:linear-gradient(90deg, var(--mint), var(--blue));height:100%;transition:width .25s}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0;display:grid}.metric-card{background:#ffffff0a;border:1px solid #ffffff1a;border-radius:15px;padding:18px}.metric-card small{color:#8ea0b2;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;display:block}.metric-card strong{margin-top:7px;font-size:clamp(1.35rem,3vw,2.1rem);line-height:1.1;display:block}.metric-card span{color:#8ea0b2;font-size:.75rem}.chart{background:linear-gradient(#ffffff08 1px,#0000 1px) 0 0/100% 37px;border:1px solid #ffffff17;border-radius:14px;width:100%;height:150px;margin:18px 0}.chart polyline{fill:none;stroke:var(--mint);stroke-width:2.5px;vector-effect:non-scaling-stroke}.chart .area{fill:#43e6b514;stroke:none}.advanced{border-top:1px solid #ffffff17;margin-top:22px;padding-top:16px}.advanced summary{cursor:pointer;color:#c7d4df;font-weight:750}.advanced-grid{color:#9dafc0;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 24px;margin-top:14px;font-size:.83rem;display:grid}.advanced-grid div{border-bottom:1px solid #ffffff0f;justify-content:space-between;padding:7px 0;display:flex}.advanced-grid strong{color:#fff}.diagnosis-card{background:linear-gradient(125deg,#43e6b51a,#4c8dff17);border:1px solid #43e6b52e;border-radius:16px;margin-top:20px;padding:20px}.diagnosis-card .status-label{color:var(--mint);letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;font-weight:850}.diagnosis-card h3{margin:8px 0}.diagnosis-card p,.diagnosis-card li{color:#b8c7d4;font-size:.88rem}.diagnosis-card ul{margin-bottom:0}.content-section{padding-block:86px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.content-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:26px;transition:transform .2s,box-shadow .2s}.content-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px #07111f14}.content-card h3{margin:16px 0 12px;font-size:1.3rem}.content-card p{color:var(--muted)}.content-card a,.text-link{color:var(--mint-deep);font-weight:750}.card-index{color:var(--mint-deep);letter-spacing:.1em;font-size:.7rem;font-weight:900}.explain-band{background:var(--surface-soft);padding:80px 0}.split-content{grid-template-columns:1fr 1fr;align-items:center;gap:64px;display:grid}.tip-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:28px;box-shadow:0 15px 45px #07111f12}.setup-line{justify-content:space-between;align-items:center;gap:8px;margin:22px 0;display:flex}.setup-line span{text-align:center;background:var(--surface-soft);border-radius:10px;flex:1;padding:11px 6px;font-size:.76rem;font-weight:750}.setup-line b{color:var(--mint-deep)}.faq-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.faq-grid details{border:1px solid var(--line);border-radius:14px;padding:18px 20px}.faq-grid summary{cursor:pointer;font-weight:780}.faq-grid p{color:var(--muted);margin:12px 0 0}.page-hero{color:#fff;background:var(--navy);padding:64px 0 72px}.page-hero h1{margin:17px 0;font-size:clamp(2.5rem,5vw,4.7rem)}.page-hero p{color:#bdcad6;max-width:730px;font-size:1.12rem}.breadcrumbs{color:#8497aa;gap:9px;margin-bottom:32px;font-size:.78rem;display:flex}.breadcrumbs a:hover{color:var(--mint)}.article-content{padding:36px 0 90px}.article-content>section{border-bottom:1px solid var(--line);padding:34px 0}.article-content h2{font-size:clamp(1.6rem,3vw,2.35rem)}.article-content p,.article-content li{color:var(--muted);font-size:1.04rem}.article-content li{margin-bottom:8px}.related-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:18px;margin-top:40px;padding:26px}.related-card p{margin:7px 0}.share-page{min-height:70vh;padding:70px 0}.share-result{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:28px}.share-result .metric-grid{color:var(--ink)}.share-result .metric-card{border-color:var(--line);background:var(--surface-soft)}.share-result .metric-card small,.share-result .metric-card span{color:var(--muted)}.join-shell{color:#fff;background:var(--navy);max-width:700px;box-shadow:var(--shadow);border-radius:24px;margin:64px auto;padding:clamp(24px,5vw,44px)}.site-footer{color:#d8e2eb;background:#050d18;padding:50px 0}.site-footer p{color:#788da0;margin-bottom:0}.footer-grid{justify-content:space-between;gap:30px;display:flex}.footer-links{color:#9babb9;grid-template-columns:repeat(3,auto);gap:9px 24px;font-size:.83rem;display:grid}.footer-links a:hover{color:var(--mint)}@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:48px}.hero{padding-top:55px}.network-visual{width:min(560px,100%)}.feature-grid{grid-template-columns:1fr}.split-content{grid-template-columns:1fr;gap:30px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.shell,.narrow{width:min(100% - 28px,1180px)}.site-header nav a:nth-child(3){display:none}.site-header nav{gap:14px;font-size:.78rem}.brand span:last-child{font-size:.88rem}.hero{padding:45px 0 62px}.hero h1{font-size:2.7rem}.hero-actions .button{width:100%}.trust-list{grid-template-columns:1fr 1fr;display:grid}.tool-section,.content-section{padding-block:58px}.tester-body{padding:20px 16px}.panel-heading{display:block}.privacy-badge{margin-top:12px;display:inline-block}.form-row,.form-row .field,.form-row .button{width:100%}.pairing-grid{grid-template-columns:1fr}.qr-frame{margin-inline:auto}.pairing-copy{text-align:center}.inline-actions{justify-content:center}.metric-grid{grid-template-columns:1fr 1fr}.metric-card{padding:14px}.advanced-grid,.faq-grid{grid-template-columns:1fr}.setup-line{align-items:stretch}.setup-line span{writing-mode:vertical-rl;min-height:92px}.footer-grid{display:grid}.footer-links{grid-template-columns:1fr 1fr}.path-row{grid-template-columns:60px 1fr 60px}.node-icon{width:44px;height:44px}.device-node small{white-space:normal}.network-visual{padding:17px}}@media print{.site-header,.site-footer,.tester-tabs,.inline-actions,.button,.page-hero,.hero{display:none!important}body{color:#000;background:#fff}.tester-shell,.tester-body,.share-result{color:#000;box-shadow:none;background:#fff;border:1px solid #bbb}.metric-card,.diagnosis-card{color:#000;background:#fff;border-color:#bbb}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
