:root{--ink:#102c35;--muted:#627d85;--line:#dce8e9;--canvas:#f4f8f8;--panel:#fff;--teal:#078a83;--teal-dark:#075d62;--mint:#e7f6f2;--navy:#053642;--blue:#3c789d;--amber:#b77311;--danger:#bc4747;--shadow:0 18px 55px rgba(8,52,62,.09);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--canvas);scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--canvas)}a{color:var(--teal-dark)}button,input,select{font:inherit}.eyebrow,.section-kicker{margin:0 0 10px;color:#16aa9c;font-size:11px;font-weight:900;letter-spacing:.17em}.site-header{position:sticky;z-index:20;top:0;display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 max(24px,calc((100vw - 1260px)/2));border-bottom:1px solid rgba(216,231,232,.82);background:rgba(250,253,252,.92);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand>span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#0ba196,#087a79);font-weight:900}.brand strong,.brand small{display:block}.brand strong{font-size:17px}.brand small{margin-top:2px;color:#7d9398;font-size:10px}.site-header nav{display:flex;gap:27px}.site-header nav a{color:#61797f;text-decoration:none;font-size:12px;font-weight:750}.site-header nav a:hover{color:var(--teal)}.header-login{padding:11px 17px;border-radius:10px;color:#fff;background:var(--teal);text-decoration:none;font-size:12px;font-weight:800}
.hero{display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center;min-height:650px;padding:75px max(24px,calc((100vw - 1260px)/2));overflow:hidden;background:radial-gradient(circle at 90% 5%,rgba(40,201,181,.14),transparent 28%),linear-gradient(180deg,#f9fcfb,#eef6f5)}.version-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;padding:7px 11px;border:1px solid #bfe3dc;border-radius:999px;color:#08736f;background:#f4fcfa;font-size:11px;font-weight:800}.version-badge i{width:7px;height:7px;border-radius:50%;background:#23bd99;box-shadow:0 0 0 4px rgba(35,189,153,.13)}.hero h1{margin:0;font-size:clamp(45px,5.6vw,75px);line-height:1.06;letter-spacing:-.055em}.hero h1 em{color:var(--teal);font-style:normal}.hero-intro{max-width:690px;margin:25px 0;color:#547078;font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:11px;margin-top:30px}.hero-actions a{display:inline-flex;align-items:center;min-height:47px;padding:0 22px;border-radius:11px;text-decoration:none;font-size:13px;font-weight:850}.primary-link{color:#fff;background:var(--teal);box-shadow:0 12px 25px rgba(7,138,131,.2)}.secondary-link{border:1px solid #c9dcdd;color:var(--teal-dark);background:#fff}.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:34px}.hero-meta span{color:#71878d;font-size:10px}.hero-meta b{display:block;margin-bottom:4px;color:#294850;font-size:11px}
.hero-visual{position:relative;height:470px;border:1px solid #d6e7e6;border-radius:28px;background:#fff;box-shadow:0 35px 90px rgba(7,80,87,.13);isolation:isolate}.visual-grid{position:absolute;inset:0;z-index:-1;border-radius:inherit;background-image:radial-gradient(#dfeaea 1px,transparent 1px);background-size:21px 21px}.visual-cloud{position:absolute;top:42px;left:50%;display:grid;width:250px;padding:20px 22px;border-radius:17px;color:#fff;background:linear-gradient(135deg,#075762,#078a83);box-shadow:0 15px 35px rgba(7,88,94,.2);transform:translateX(-50%)}.visual-cloud:before{content:"";position:absolute;top:-10px;right:18px;width:10px;height:10px;border-radius:50%;background:#65f1c5;box-shadow:0 0 0 6px rgba(101,241,197,.14)}.visual-cloud small{color:#8ee8dc;font-size:8px;letter-spacing:.14em}.visual-cloud strong{margin:8px 0;font-size:16px}.visual-cloud span{color:#c6e7e4;font-size:10px}.visual-control-line{position:absolute;top:144px;left:50%;height:67px;border-left:2px dashed #84c4bd}.visual-gateway{position:absolute;top:205px;left:50%;display:grid;grid-template-columns:42px 1fr auto;gap:11px;align-items:center;width:320px;padding:15px;border:1px solid #b9deda;border-radius:16px;background:#fff;box-shadow:0 12px 30px rgba(7,70,77,.09);transform:translateX(-50%)}.visual-gateway>span,.visual-device>span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:#fff;background:var(--teal);font-size:20px}.visual-gateway small,.visual-gateway strong,.visual-gateway code,.visual-device small,.visual-device strong{display:block}.visual-gateway small,.visual-device small{color:var(--muted);font-size:9px}.visual-gateway strong{margin:3px 0;font-size:12px}.visual-gateway code{color:#6c858b;font-size:9px}.visual-gateway i{padding:5px 7px;border-radius:99px;color:#08736f;background:var(--mint);font-size:9px;font-style:normal;font-weight:850}.visual-tunnel{position:absolute;top:303px;width:150px;height:2px;background:#259e93}.visual-tunnel:after{content:"";position:absolute;bottom:-5px;width:2px;height:48px;background:#259e93}.visual-tunnel.left{left:90px;transform:rotate(13deg)}.visual-tunnel.left:after{left:0}.visual-tunnel.right{right:90px;transform:rotate(-13deg)}.visual-tunnel.right:after{right:0}.visual-device{position:absolute;bottom:51px;display:flex;align-items:center;gap:10px;width:183px;padding:13px;border:1px solid #d6e4e5;border-radius:14px;background:#fff;box-shadow:0 10px 25px rgba(7,70,77,.07)}.visual-device>span{width:35px;height:35px;border-radius:10px;background:#3d7897;font-size:16px}.visual-device strong{margin-top:4px;font-size:11px}.device-a{left:40px}.device-b{right:40px}.visual-caption{position:absolute;right:18px;bottom:14px;display:flex;align-items:center;gap:7px;color:#6d858a;font-size:8px}.visual-caption span{width:24px;height:2px;background:#259e93}
.outcome-bar{display:grid;grid-template-columns:repeat(4,1fr);max-width:1260px;margin:-30px auto 50px;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--line);box-shadow:var(--shadow)}.outcome-bar>div{display:flex;align-items:center;gap:13px;padding:19px 22px;background:#fff}.outcome-bar>div>span{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;color:var(--teal);background:var(--mint);font-size:10px;font-weight:900}.outcome-bar p{margin:0}.outcome-bar strong,.outcome-bar small{display:block}.outcome-bar strong{font-size:12px}.outcome-bar small{margin-top:4px;color:var(--muted);font-size:9px}
.page-layout{display:grid;grid-template-columns:230px minmax(0,940px);gap:50px;justify-content:center;padding:25px 24px 100px}.toc{position:sticky;top:104px;align-self:start;display:grid;padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff}.toc p{margin:0 0 12px;padding:0 8px 12px;border-bottom:1px solid var(--line);color:#789095;font-size:10px;font-weight:900;letter-spacing:.1em}.toc a{padding:8px;border-radius:7px;color:#5f777e;text-decoration:none;font-size:11px;font-weight:650}.toc a:hover{color:var(--teal-dark);background:var(--mint)}.content{min-width:0}.doc-section{padding:35px 0 60px;border-bottom:1px solid #dce8e9;scroll-margin-top:95px}.doc-section:first-child{padding-top:8px}.doc-section h2,.step-section h2{margin:0;font-size:34px;letter-spacing:-.035em}.doc-section>p:not(.section-kicker){color:#516d75;font-size:14px;line-height:1.9}.doc-section code,.step-section code{padding:2px 5px;border-radius:5px;color:#075f62;background:#e8f4f2;font-family:"Cascadia Code",Consolas,monospace;font-size:.9em}
.architecture-figure{position:relative;margin:30px 0;padding:25px;border:1px solid var(--line);border-radius:20px;background-color:#fff;background-image:radial-gradient(#e2ecec 1px,transparent 1px);background-size:22px 22px}.architecture-figure figcaption,.topology-demo figcaption{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.architecture-figure figcaption strong,.topology-demo figcaption strong{font-size:13px}.architecture-figure figcaption span,.topology-demo figcaption span{color:var(--muted);font-size:10px}.arch-control,.arch-gateway{display:flex;align-items:center;gap:13px;width:350px;margin:auto;padding:16px;border-radius:15px;box-shadow:0 12px 30px rgba(7,70,77,.08)}.arch-control{color:#fff;background:linear-gradient(135deg,#07505c,#078a83)}.arch-control>span,.arch-gateway>span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:#075d62;background:#82ebd5;font-weight:900}.arch-control small,.arch-control strong,.arch-control code,.arch-gateway small,.arch-gateway strong,.arch-gateway code{display:block}.arch-control small,.arch-gateway small{font-size:9px}.arch-control small{color:#9de9df}.arch-control strong,.arch-gateway strong{margin:4px 0;font-size:13px}.arch-control code{color:#c8ece7;background:transparent;font-size:9px}.arch-config-line{height:60px;margin:auto;border-left:2px dashed #60bdb3;width:0}.arch-config-line span{position:relative;left:12px;top:19px;width:max-content;display:block;padding:4px 7px;border-radius:6px;color:#08736f;background:#e3f5f1;font-size:8px}.arch-gateway{border:1px solid #b9deda;background:#fff}.arch-gateway>span{color:#fff;background:#0d8a82}.arch-gateway code{color:#6a858a;background:transparent;font-size:9px}.arch-data-line{position:relative;width:70%;height:60px;margin:auto;border-bottom:2px solid #379e96}.arch-data-line:before{content:"";position:absolute;left:50%;height:60px;border-left:2px solid #379e96}.arch-data-line span{position:absolute;top:18px;left:52%;padding:4px 7px;color:#08736f;background:#e3f5f1;font-size:8px}.arch-devices{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:86%;margin:12px auto 0}.arch-devices>div{display:grid;place-items:center;padding:15px;border:1px solid var(--line);border-radius:13px;background:#fff}.arch-devices span{display:grid;place-items:center;width:34px;height:34px;margin-bottom:7px;border-radius:10px;color:#fff;background:#3d799a}.arch-devices strong{font-size:11px}.arch-devices small{margin-top:3px;color:var(--muted);font-size:9px}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.concept-grid>div{padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff}.concept-grid span{display:inline-flex;padding:4px 8px;border-radius:99px;color:var(--teal);background:var(--mint);font-size:9px;font-weight:900}.concept-grid strong{display:block;margin:15px 0 7px;font-size:13px}.concept-grid p{margin:0;color:var(--muted);font-size:11px;line-height:1.7}
.requirement-table{overflow:hidden;margin-top:27px;border:1px solid var(--line);border-radius:15px;background:#fff}.requirement-table>div{display:grid;grid-template-columns:1fr 1.3fr 1.5fr;gap:16px;padding:15px 18px;border-bottom:1px solid #e8f0f0;align-items:center}.requirement-table>div:last-child{border:0}.requirement-table .table-head{color:#6e858a;background:#f8fbfa;font-size:9px;font-weight:900;letter-spacing:.08em}.requirement-table strong{font-size:11px}.requirement-table span{color:var(--muted);font-size:11px}.requirement-table code{font-size:9px}.notice{margin-top:20px;padding:16px 18px;border-radius:12px}.notice strong{display:block;font-size:12px}.notice p{margin:6px 0 0;font-size:11px;line-height:1.7}.notice.warning{border:1px solid #f0d8ae;color:#79551a;background:#fff8ea}.notice.info{border:1px solid #bde0db;color:#316d6a;background:#f0faf7}
.steps-intro{border-bottom:0}.flow-strip{display:flex;align-items:center;justify-content:center;margin-top:27px;padding:22px;border:1px solid var(--line);border-radius:15px;background:#fff}.flow-strip div{display:grid;place-items:center;gap:7px;color:#60777e}.flow-strip div span{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;color:var(--teal);background:var(--mint);font-size:11px;font-weight:900}.flow-strip div strong{font-size:10px}.flow-strip div.done span{color:#fff;background:var(--teal)}.flow-strip i{width:70px;height:1px;margin:0 12px;background:#c9dddd}
.step-section{padding:45px 0 65px;border-bottom:1px solid var(--line);scroll-margin-top:95px}.step-heading{display:grid;grid-template-columns:85px 1fr;gap:20px;align-items:start;margin-bottom:28px}.step-heading>span{display:inline-flex;justify-content:center;padding:8px;border-radius:9px;color:var(--teal);background:var(--mint);font-size:10px;font-weight:900}.step-heading p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.two-column{display:grid;grid-template-columns:1fr 1.05fr;gap:27px;align-items:center}.two-column.reverse{grid-template-columns:1.05fr 1fr}.instruction-list{display:grid;gap:12px;margin:0;padding-left:23px;color:#4f6a72;font-size:12px;line-height:1.7}.instruction-list li::marker{color:var(--teal);font-weight:900}.instruction-list.numbered{grid-template-columns:1fr 1fr;gap:12px 30px;margin:25px 0}.expected{display:flex;gap:11px;align-items:center;margin-top:20px;padding:14px;border:1px solid #bfe2d9;border-radius:12px;background:#f2fbf8}.expected>span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;color:#fff;background:var(--teal);font-weight:900}.expected p{margin:0}.expected strong,.expected small{display:block}.expected strong{font-size:11px}.expected small{margin-top:4px;color:var(--muted);font-size:9px}
.ui-mock,.form-figure,.device-enroll-figure,.topology-demo{position:relative;margin:0;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 18px 45px rgba(7,70,77,.08)}.ui-mock figcaption,.form-figure figcaption,.device-enroll-figure figcaption{margin-bottom:12px;color:#72878d;font-size:9px}.mock-bar{display:flex;align-items:center;gap:5px;height:27px;padding:0 9px;border-radius:8px 8px 0 0;background:#eaf1f1}.mock-bar i{width:6px;height:6px;border-radius:50%;background:#b8caca}.mock-bar span{margin-left:6px;color:#71878d;font-size:7px}.mock-console{display:grid;grid-template-columns:95px 1fr;min-height:225px;border:1px solid #e0e9e9;border-top:0;border-radius:0 0 9px 9px}.mock-console aside{display:grid;align-content:start;gap:7px;padding:12px 8px;color:#a9c4c8;background:#063b47}.mock-console aside b{display:grid;place-items:center;width:24px;height:24px;margin-bottom:7px;border-radius:7px;color:#fff;background:var(--teal);font-size:8px}.mock-console aside span{padding:6px;border-radius:5px;font-size:7px}.mock-console aside span.active{color:#fff;background:rgba(74,213,190,.17)}.mock-console section{padding:13px}.mock-console header{display:flex;justify-content:space-between;align-items:center}.mock-console header small,.mock-console header strong{display:block}.mock-console header small{color:var(--muted);font-size:7px}.mock-console header strong{margin-top:3px;font-size:10px}.mock-console header em{padding:5px 7px;border-radius:99px;color:var(--teal);background:var(--mint);font-size:7px;font-style:normal}.mock-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:23px}.mock-metrics b{padding:14px 9px;border:1px solid var(--line);border-radius:8px;font-size:20px}.mock-metrics small{display:block;margin-top:8px;color:var(--muted);font-size:6px;font-weight:500}
.fake-form{display:grid;gap:10px;padding:19px;border-radius:13px;background:#f5f9f8}.fake-form label{display:grid;gap:6px;color:#6e8489;font-size:8px}.fake-form label strong{padding:10px;border:1px solid #d0dfe0;border-radius:8px;color:#28474e;background:#fff;font-size:9px}.fake-form button{height:35px;border:0;border-radius:8px;color:#fff;background:var(--teal);font-size:9px;font-weight:800}.callout{position:absolute;display:flex;align-items:center;gap:7px;padding:7px 9px;border:1px solid #bde0da;border-radius:8px;color:#286e69;background:#f2fbf8;box-shadow:0 7px 18px rgba(7,70,77,.08);font-size:8px}.callout span{display:grid;place-items:center;width:17px;height:17px;border-radius:50%;color:#fff;background:var(--teal);font-weight:900}.callout-a{right:-15px;top:72px}.callout-b{left:-18px;bottom:89px}
.gateway-diagram{display:flex;align-items:center;margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff}.gateway-diagram>div{flex:1;display:grid;place-items:center;text-align:center}.gateway-diagram>div>span{display:grid;place-items:center;width:30px;height:30px;margin-bottom:9px;border-radius:9px;color:var(--teal);background:var(--mint);font-size:10px;font-weight:900}.gateway-diagram strong,.gateway-diagram small{display:block}.gateway-diagram strong{font-size:10px}.gateway-diagram small{margin-top:4px;color:var(--muted);font-size:8px}.gateway-diagram>b{color:#9eb1b5}.advanced-block{margin-top:25px;border:1px solid #c9dfe0;border-radius:14px;background:#fff}.advanced-block summary{cursor:pointer;padding:15px 18px;color:#355861;font-size:11px;font-weight:800}.advanced-block summary span{margin-right:8px;padding:4px 7px;border-radius:6px;color:#7a581f;background:#fff0d5;font-size:8px}.advanced-content{padding:0 18px 18px;border-top:1px solid var(--line)}.advanced-content>p{color:var(--muted);font-size:10px;line-height:1.7}.advanced-content pre,.verify-grid pre{overflow:auto;margin:12px 0;padding:18px;border-radius:11px;color:#cfe7e6;background:#082f39;font-size:10px;line-height:1.75}.advanced-content pre code,.verify-grid pre code{padding:0;color:inherit;background:transparent}.code-note{padding:12px;border-left:3px solid #d49a3e;background:#fff8ea}.status-lifecycle{display:flex;align-items:stretch;gap:9px;margin-top:22px}.status-lifecycle>div{flex:1;padding:13px;border:1px solid var(--line);border-radius:11px;background:#fff}.status-lifecycle span,.status-lifecycle small{display:block}.status-lifecycle span{color:#9a6817;font-size:10px;font-weight:900}.status-lifecycle small{margin-top:5px;color:var(--muted);font-size:8px}.status-lifecycle>i{align-self:center;color:#9bb0b4;font-size:9px;font-style:normal}.status-lifecycle .success{border-color:#bde0d9;background:#f4fbf9}.status-lifecycle .success span{color:var(--teal)}.status-lifecycle .failed span{color:var(--danger)}
.device-enroll-figure{display:grid;place-items:center;min-height:360px;background-color:#fff;background-image:radial-gradient(#e2ecec 1px,transparent 1px);background-size:20px 20px}.device-enroll-figure figcaption{justify-self:start}.token-card{display:grid;width:250px;padding:15px;border:1px solid #c6dedc;border-radius:12px;background:#f5fbf9;box-shadow:0 10px 25px rgba(7,70,77,.07)}.token-card small{color:var(--muted);font-size:8px}.token-card code{margin:8px 0;color:#075f62;background:transparent;font-size:14px;letter-spacing:.1em}.token-card span{color:#b06d10;font-size:8px}.device-arrow{margin:11px 0;color:#5a8e8b;font-size:8px;font-weight:800}.device-client{display:flex;align-items:center;gap:11px;width:250px;padding:14px;border:1px solid #c7dce0;border-radius:12px;background:#fff;box-shadow:0 10px 25px rgba(7,70,77,.07)}.device-client>span{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;color:#fff;background:#3b789a}.device-client small,.device-client strong,.device-client code{display:block}.device-client small{color:var(--muted);font-size:8px}.device-client strong{margin:4px 0;font-size:10px}.device-client code{padding:0;color:#3d7471;background:transparent;font-size:8px}.device-enroll-figure ul{display:flex;gap:9px;margin:18px 0 0;padding:0;list-style:none}.device-enroll-figure li{padding:5px 7px;border-radius:99px;color:#37756e;background:#e7f5f2;font-size:7px}
.topology-demo{padding:22px;background-color:#fff;background-image:radial-gradient(#e2ecec 1px,transparent 1px);background-size:22px 22px}.topology-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:30px}.topology-stats>div{padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff}.topology-stats small,.topology-stats strong{display:block}.topology-stats small{color:var(--muted);font-size:7px}.topology-stats strong{margin-top:5px;font-size:10px}.topology-map{display:grid;grid-template-columns:1fr 55px 190px 55px 1.25fr;align-items:center;min-height:270px}.map-gateway,.map-devices>div{display:grid;grid-template-columns:34px 1fr;align-items:center;gap:9px;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 25px rgba(7,70,77,.07)}.map-gateway>span,.map-devices span{grid-row:1/3;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#fff;background:var(--teal)}.map-gateway strong,.map-gateway small,.map-devices strong,.map-devices small{font-size:8px}.map-gateway small,.map-devices small{color:var(--muted)}.topology-map>i{height:2px;background:#3ca59b}.map-core{display:grid;place-items:center;aspect-ratio:1;border-radius:50%;color:#fff;background:radial-gradient(circle at 35% 25%,#16a497,#075661);box-shadow:0 0 0 11px rgba(7,138,131,.07),0 18px 45px rgba(7,70,77,.18);text-align:center}.map-core small{color:#9aeadf;font-size:7px}.map-core strong{max-width:140px;margin:8px;font-size:13px}.map-core code{color:#d2f4ef;background:transparent;font-size:8px}.map-devices{display:grid;gap:8px}.map-devices span{background:#3d7899}.signal-checks{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}.signal-checks>div{display:flex;gap:9px;padding:13px;border:1px solid var(--line);border-radius:11px;background:#fff}.signal-checks span{display:grid;flex:0 0 24px;place-items:center;width:24px;height:24px;border-radius:8px;color:var(--teal);background:var(--mint);font-size:8px;font-weight:900}.signal-checks p{margin:0}.signal-checks strong,.signal-checks small{display:block}.signal-checks strong{font-size:9px}.signal-checks small{margin-top:4px;color:var(--muted);font-size:7px}
.verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.verify-grid>div{overflow:hidden;border-radius:13px;background:#082f39}.verify-grid>div>span{display:block;padding:11px 17px;border-bottom:1px solid rgba(255,255,255,.08);color:#7ee0d4;font-size:9px;font-weight:900}.verify-grid pre{margin:0;border-radius:0}.acceptance{margin-top:18px;padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff}.acceptance h3{margin:0 0 15px;font-size:14px}.acceptance ul{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0;padding:0;list-style:none}.acceptance li{display:flex;align-items:center;gap:8px;color:#49666d;font-size:10px}.acceptance li span{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;color:var(--teal);background:var(--mint);font-weight:900}
.operation-cards,.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:25px}.operation-cards>div,.security-grid>div{padding:21px;border:1px solid var(--line);border-radius:15px;background:#fff}.operation-cards>div>span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;color:#fff;background:var(--teal);font-size:17px}.operation-cards h3{margin:14px 0 7px;font-size:13px}.operation-cards p,.security-grid p{margin:0;color:var(--muted);font-size:10px;line-height:1.7}.operation-cards>div>strong{display:block;margin-top:13px;color:#39756f;font-size:9px}.trouble-list{display:grid;gap:10px;margin-top:25px}.trouble-list details{border:1px solid var(--line);border-radius:13px;background:#fff}.trouble-list summary{cursor:pointer;display:flex;align-items:center;gap:11px;padding:16px;color:#294951;font-size:11px;font-weight:800}.trouble-list summary span{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;color:var(--teal);background:var(--mint);font-size:8px}.trouble-list details>div{padding:0 20px 18px 55px;color:var(--muted);font-size:10px;line-height:1.7}.trouble-list details p{margin-top:0}.security-grid{grid-template-columns:repeat(3,1fr)}.security-grid>div>span{color:#10a194;font-size:9px;font-weight:900}.security-grid strong{display:block;margin:10px 0 7px;font-size:12px}.finish-card{display:flex;align-items:center;justify-content:space-between;margin-top:60px;padding:34px;border-radius:19px;color:#fff;background:radial-gradient(circle at 80% 0,rgba(81,228,199,.24),transparent 27%),linear-gradient(130deg,#063b47,#077873)}.finish-card h2{margin:0;font-size:27px}.finish-card p:not(.eyebrow){max-width:590px;margin:8px 0 0;color:#badcdb;font-size:11px;line-height:1.7}.finish-card a{flex:0 0 auto;padding:13px 19px;border-radius:10px;color:#075f62;background:#89efd9;text-decoration:none;font-size:11px;font-weight:900}
footer{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:34px max(24px,calc((100vw - 1260px)/2));color:#9ab5ba;background:#063744}footer>div strong,footer>div span{display:block}footer>div strong{color:#fff;font-size:16px}footer>div span{margin-top:4px;font-size:9px}footer nav{display:flex;gap:20px}footer nav a{color:#b9d0d3;text-decoration:none;font-size:10px}footer>small{grid-column:1/-1;padding-top:17px;border-top:1px solid rgba(255,255,255,.09);font-size:8px}
.region-figure{position:relative;margin:30px 0;padding:26px;border:1px solid var(--line);border-radius:20px;background-color:#fff;background-image:radial-gradient(#e2ecec 1px,transparent 1px);background-size:22px 22px}.region-figure figcaption{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.region-figure figcaption strong{font-size:13px}.region-figure figcaption span{max-width:560px;color:var(--muted);font-size:10px;line-height:1.65;text-align:right}.region-control{display:grid;width:300px;margin:auto;padding:15px 18px;border-radius:14px;color:#fff;background:linear-gradient(135deg,#07505c,#078a83);box-shadow:0 12px 30px rgba(7,70,77,.11)}.region-control small{color:#9de9df;font-size:8px}.region-control strong{margin:5px 0;font-size:13px}.region-control span{color:#c8ece7;font-size:9px}.region-control-link{width:0;height:45px;margin:auto;border-left:2px dashed #60bdb3}.region-hub{display:grid;grid-template-columns:43px 1fr auto;gap:13px;align-items:center;width:390px;margin:auto;padding:16px;border:1px solid #b9deda;border-radius:15px;background:#fff;box-shadow:0 12px 30px rgba(7,70,77,.09)}.region-hub>span{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;color:#fff;background:var(--teal);font-weight:900}.region-hub small,.region-hub strong,.region-hub code{display:block}.region-hub small{color:var(--muted);font-size:8px}.region-hub strong{margin:4px 0;font-size:13px}.region-hub code{padding:0;color:#3b7472;background:transparent;font-size:9px}.region-hub em{padding:5px 8px;border-radius:99px;color:#08736f;background:var(--mint);font-size:8px;font-style:normal;font-weight:850}.region-links{display:grid;grid-template-columns:repeat(2,1fr);width:62%;height:62px;margin:auto;border-top:2px solid #379e96}.region-links i{justify-self:center;height:62px;border-left:2px solid #379e96}.region-sites{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;width:78%;margin:auto}.region-sites>div{display:grid;justify-items:center;padding:16px 10px;border:1px solid var(--line);border-radius:13px;text-align:center;background:#fff}.region-sites>div>span{display:grid;place-items:center;width:35px;height:35px;margin-bottom:8px;border-radius:10px;color:#fff;background:#3d799a;font-size:11px;font-weight:900}.region-sites strong{font-size:11px}.region-sites code{margin:5px 0;padding:2px 6px;font-size:9px}.region-sites small{color:var(--muted);font-size:8px;line-height:1.55}.region-decisions{display:grid;grid-template-columns:1fr 1fr;gap:14px}.region-decisions>div{padding:21px;border:1px solid var(--line);border-radius:15px;background:#fff}.region-decisions span{display:inline-flex;padding:4px 8px;border-radius:99px;color:var(--teal);background:var(--mint);font-size:8px;font-weight:900}.region-decisions h3{margin:14px 0 8px;font-size:14px}.region-decisions p,.region-decisions li{color:var(--muted);font-size:10px;line-height:1.75}.region-decisions ul{margin:12px 0 0;padding-left:18px}.address-plan{overflow:hidden;margin-top:20px;border:1px solid var(--line);border-radius:15px;background:#fff}.address-plan h3{margin:0;padding:16px 18px;border-bottom:1px solid var(--line);font-size:13px}.address-plan>div{display:grid;grid-template-columns:1.1fr 1.5fr 1fr 1.4fr;gap:15px;align-items:center;padding:13px 18px;border-bottom:1px solid #e8f0f0}.address-plan>div:last-child{border-bottom:0}.address-plan>div:first-of-type{color:#6e858a;background:#f8fbfa;font-size:8px;font-weight:900;letter-spacing:.05em}.address-plan strong,.address-plan span,.address-plan code{font-size:9px}.address-plan span{color:var(--muted)}
@media(max-width:1100px){.site-header{padding:0 24px}.site-header nav{display:none}.hero{grid-template-columns:1fr;gap:45px;padding:65px 45px 90px}.hero-visual{width:min(620px,100%);justify-self:center}.outcome-bar{margin:-28px 24px 45px}.page-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.topology-map{grid-template-columns:1fr 35px 170px 35px 1.2fr}.instruction-list.numbered{grid-template-columns:1fr}.security-grid{grid-template-columns:1fr 1fr}}
@media(max-width:780px){.site-header{height:66px;padding:0 16px}.brand small{display:none}.header-login{padding:9px 12px}.hero{padding:48px 20px 75px}.hero h1{font-size:43px}.hero-intro{font-size:14px}.hero-meta{display:grid;grid-template-columns:1fr 1fr}.hero-visual{height:430px}.visual-gateway{width:280px}.visual-device{width:155px}.visual-tunnel{width:100px}.outcome-bar{grid-template-columns:1fr 1fr;margin:-28px 15px 35px}.page-layout{display:block;padding:10px 16px 65px}.toc{display:none}.doc-section h2,.step-section h2{font-size:28px}.architecture-figure{padding:18px}.concept-grid,.operation-cards{grid-template-columns:1fr}.region-decisions{grid-template-columns:1fr}.address-plan{overflow:auto}.address-plan>div{min-width:650px}.two-column,.two-column.reverse{grid-template-columns:1fr}.two-column.reverse>figure{order:2}.gateway-diagram{display:grid;grid-template-columns:1fr;gap:8px}.gateway-diagram>b{transform:rotate(90deg)}.status-lifecycle{display:grid;grid-template-columns:1fr}.status-lifecycle>i{transform:rotate(90deg);justify-self:center}.topology-map{grid-template-columns:1fr;gap:16px}.topology-map>i{width:2px;height:28px;justify-self:center}.map-core{width:180px;justify-self:center}.signal-checks{grid-template-columns:1fr 1fr}.security-grid{grid-template-columns:1fr}.finish-card{display:grid;gap:22px}.finish-card a{justify-self:start}footer{grid-template-columns:1fr}footer nav{flex-wrap:wrap}.callout{display:none}}
@media(max-width:520px){.hero h1{font-size:36px}.hero-actions{display:grid}.hero-actions a{justify-content:center}.hero-meta{grid-template-columns:1fr}.hero-visual{height:410px}.visual-cloud{width:220px}.visual-gateway{width:250px}.visual-device{width:135px;padding:10px}.device-a{left:15px}.device-b{right:15px}.visual-tunnel.left{left:55px}.visual-tunnel.right{right:55px}.outcome-bar{grid-template-columns:1fr}.architecture-figure figcaption,.topology-demo figcaption,.region-figure figcaption{display:grid;gap:5px}.region-figure{padding:16px}.region-figure figcaption span{text-align:left}.region-control,.region-hub{width:100%}.region-hub{grid-template-columns:40px 1fr}.region-hub em{grid-column:2;justify-self:start}.region-links{width:80%;height:42px}.region-links i{height:42px}.region-sites{grid-template-columns:1fr;width:100%}.region-sites>div{position:relative}.region-sites>div:not(:first-child):before{content:"";position:absolute;top:-13px;height:13px;border-left:2px solid #379e96}.arch-control,.arch-gateway{width:100%}.arch-devices{width:100%;gap:6px}.arch-devices>div{padding:10px}.requirement-table{overflow:auto}.requirement-table>div{min-width:600px}.step-heading{grid-template-columns:1fr}.step-heading>span{justify-self:start}.device-enroll-figure ul{display:grid}.topology-stats,.signal-checks{grid-template-columns:1fr 1fr}.verify-grid,.acceptance ul{grid-template-columns:1fr}.flow-strip{justify-content:flex-start;overflow:auto}.flow-strip i{min-width:25px}.finish-card{padding:25px}}
@media print{.site-header,.toc,.hero-actions,.header-login,footer{display:none}.hero{min-height:auto;padding:30px;background:#fff}.hero-visual{box-shadow:none}.outcome-bar{margin:20px auto}.page-layout{display:block;padding:0}.doc-section,.step-section{break-inside:avoid}.advanced-block{display:none}}