:root {
  --bg: #0a0c10;
  --bg-2: #0e1117;
  --panel: #12161e;
  --panel-2: #161b24;
  --ink: #eef2f7;
  --ink-soft: #b3bccb;
  --muted: #6f7b8c;
  --line: rgba(146, 161, 184, 0.16);
  --line-2: rgba(146, 161, 184, 0.32);
  --red: #ff2e1f;
  --red-deep: #e71e0f;
  --red-text: #ff7d6f;
  --red-glow: rgba(255, 46, 31, 0.5);
  --green: #28e0a0;
  --grid: rgba(255, 46, 31, 0.06);
  --f: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --m: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html, body { overflow-x: clip; }
body { font-family: var(--f); color: var(--ink); background: var(--bg); }

.ch { position: relative; background: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 46px 46px; }
.ch ::selection { background: var(--red); color: #fff; }
.ch .container { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.ch h1, .ch h2, .ch h3 { font-family: var(--f); letter-spacing: -0.03em; font-weight: 600; color: var(--ink); line-height: 1.05; }
.ch em { font-style: normal; color: var(--red-text); }
.ch p { margin: 0; }
.ch img { max-width: 100%; display: block; }
.ch a { color: inherit; text-decoration: none; }

.ch .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.ch .reveal.in { opacity: 1; transform: none; }

.ch .led { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 46, 31, 0.16), 0 0 10px var(--red-glow); animation: blink 1.8s var(--ease) infinite; }
.ch .led.ok { background: var(--green); box-shadow: 0 0 0 3px rgba(40, 224, 160, 0.14), 0 0 9px rgba(40, 224, 160, 0.5); }
@keyframes blink { 0%, 60%, 100% { opacity: 1; } 80% { opacity: 0.25; } }

.ch .klabel { display: inline-flex; align-items: center; gap: 10px; font-family: var(--m); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--red-text); }
.ch .klabel::before { content: "[ "; }
.ch .klabel::after { content: " ]"; }

.ch .shead { max-width: 660px; margin: 0 0 46px; }
.ch .shead .klabel { margin-bottom: 16px; }
.ch .shead h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); margin: 0 0 14px; }
.ch .shead p { color: var(--ink-soft); font-size: 1.05rem; line-height: 1.6; }

.ch .btn { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-family: var(--f); font-weight: 600; font-size: 0.92rem; padding: 14px 26px; border-radius: 8px; border: 1px solid var(--red); transition: 0.25s var(--ease); background: var(--red); color: #fff; box-shadow: 0 0 0 0 var(--red-glow); }
.ch .btn svg { width: 18px; height: 18px; }
.ch .btn:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -10px var(--red-glow); }
.ch .btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); box-shadow: none; }
.ch .btn.ghost:hover { border-color: var(--red-text); color: var(--red-text); }

.ch .nav { position: sticky; top: 0; z-index: 90; background: rgba(10, 12, 16, 0.82); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.ch .nav-in { display: flex; align-items: center; gap: 20px; height: 70px; }
.ch .brand { display: inline-flex; align-items: center; flex: none; }
.ch .brand-logo { height: 24px; width: auto; }
.ch .burger { display: none; background: none; border: 0; color: var(--ink); cursor: pointer; padding: 6px; margin-left: auto; }
.ch .burger svg { width: 26px; height: 26px; }
.ch .nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.ch .nav-links > a:not(.btn) { font-family: var(--m); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.02em; color: var(--ink-soft); transition: color 0.2s; }
.ch .nav-links > a:not(.btn):hover { color: var(--red-text); }
.ch .nav-links .btn { padding: 10px 18px; font-family: var(--f); }
.ch .nav-home { display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); flex: none; font-size: 0.8rem; font-weight: 600; transition: 0.2s; }
.ch .nav-home:hover { border-color: var(--red-text); color: var(--red-text); }

.ch .hero { position: relative; padding: clamp(40px, 7vw, 86px) 0 0; overflow: hidden; }
.ch .hero-scan { position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(120% 80% at 78% -10%, rgba(255, 46, 31, 0.14), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 4px); }
.ch .hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr 0.96fr; gap: clamp(28px, 4vw, 56px); align-items: center; padding-bottom: clamp(34px, 5vw, 64px); }
.ch .tag { display: inline-flex; align-items: center; gap: 9px; font-family: var(--m); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); padding: 7px 13px; border: 1px solid var(--line); border-radius: 100px; background: var(--panel); }
.ch .tag-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px var(--red-glow); animation: blink 1.8s var(--ease) infinite; }
.ch .hero-kor { margin: 22px 0 14px; font-family: var(--m); font-size: 0.82rem; letter-spacing: 0.12em; color: var(--muted); }
.ch .hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.3rem); letter-spacing: -0.04em; }
.ch .hero-lead { margin: 22px 0 0; max-width: 30em; color: var(--ink-soft); font-size: 1.08rem; line-height: 1.62; }
.ch .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.ch .hero-coord { display: flex; justify-content: space-between; gap: 16px; margin-top: 34px; padding-top: 16px; border-top: 1px dashed var(--line-2); font-family: var(--m); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); }

.ch .bento { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(0, auto); gap: 14px; }
.ch .tile { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; overflow: hidden; }
.ch .tile::after { content: ""; position: absolute; top: 10px; right: 10px; width: 9px; height: 9px; border-top: 1px solid var(--line-2); border-right: 1px solid var(--line-2); }
.ch .tile-hd { display: flex; align-items: center; gap: 8px; font-family: var(--m); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); }
.ch .tile-hd svg { width: 15px; height: 15px; color: var(--red-text); }
.ch .tile-ft { display: block; margin-top: 10px; font-family: var(--m); font-size: 0.62rem; letter-spacing: 0.08em; color: var(--muted); }
.ch .tile-radar { grid-row: span 2; display: flex; flex-direction: column; align-items: center; }
.ch .tile-radar .tile-hd { align-self: flex-start; }

.ch .metric { display: flex; align-items: baseline; gap: 7px; margin: 14px 0 2px; }
.ch .metric b { font-family: var(--f); font-weight: 700; font-size: clamp(2.1rem, 5vw, 2.8rem); letter-spacing: -0.04em; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.ch .tile-heart .metric b { color: var(--red-text); }
.ch .metric i { font-family: var(--m); font-style: normal; font-size: 0.72rem; color: var(--muted); letter-spacing: 0.06em; }
.ch .ecg, .ch .wave { width: 100%; height: 34px; margin-top: 6px; }
.ch .ecg path { fill: none; stroke: var(--red); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 5px var(--red-glow)); stroke-dasharray: 480; stroke-dashoffset: 480; animation: trace 2.4s linear infinite; }
.ch .wave path { fill: none; stroke: var(--green); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 360; stroke-dashoffset: 360; animation: trace 3.4s linear infinite; }
@keyframes trace { to { stroke-dashoffset: 0; } }

.ch .statlist { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.ch .statlist li { display: flex; align-items: center; gap: 9px; font-family: var(--m); font-size: 0.72rem; color: var(--ink-soft); padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.ch .statlist li:last-child { border-bottom: 0; padding-bottom: 0; }
.ch .statlist b { margin-left: auto; color: var(--ink); font-weight: 700; }

.ch .scope { position: relative; width: 100%; aspect-ratio: 1; max-width: 220px; margin: 14px auto 4px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 46, 31, 0.08), transparent 68%), #0b0e13; }
.ch .scope.big { max-width: 300px; }
.ch .scope .ring { position: absolute; inset: 0; margin: auto; border: 1px solid var(--line-2); border-radius: 50%; }
.ch .scope .r1 { inset: 0; }
.ch .scope .r2 { inset: 16%; }
.ch .scope .r3 { inset: 34%; }
.ch .scope .r4 { inset: 52%; }
.ch .scope .axisx, .ch .scope .axisy { position: absolute; background: var(--line); }
.ch .scope .axisx { left: 0; right: 0; top: 50%; height: 1px; }
.ch .scope .axisy { top: 0; bottom: 0; left: 50%; width: 1px; }
.ch .scope .cross { position: absolute; inset: 0; margin: auto; width: 5px; height: 5px; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px var(--red); }
.ch .scope .sweep { position: absolute; inset: 0; border-radius: 50%; transform-origin: center; animation: sweep 3.2s linear infinite;
  background: conic-gradient(from 0deg, rgba(255, 46, 31, 0.55) 0deg, rgba(255, 46, 31, 0.16) 22deg, transparent 60deg, transparent 360deg); }
@keyframes sweep { to { transform: rotate(360deg); } }
.ch .scope .blip { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px var(--red); opacity: 0; animation: ping 3.2s linear infinite; }
.ch .scope .b1 { top: 30%; left: 64%; animation-delay: 0.2s; }
.ch .scope .b2 { top: 62%; left: 38%; animation-delay: 1.1s; }
.ch .scope .b3 { top: 44%; left: 24%; animation-delay: 1.9s; }
.ch .scope .b4 { top: 70%; left: 66%; animation-delay: 2.5s; }
@keyframes ping { 0%, 8% { opacity: 1; transform: scale(1.4); } 40%, 100% { opacity: 0; transform: scale(1); } }

.ch .hero-ticker { position: relative; z-index: 1; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); overflow: hidden; }
.ch .ticker-track { display: flex; align-items: center; gap: 26px; white-space: nowrap; width: max-content; padding: 13px 0; animation: ticker 30s linear infinite; }
.ch .tk { font-family: var(--m); font-size: 0.82rem; color: var(--ink-soft); }
.ch .tk b { color: var(--red-text); font-weight: 700; margin-right: 8px; }
.ch .tk-sep { color: var(--line-2); }
@keyframes ticker { to { transform: translateX(-50%); } }

.ch .about { padding: clamp(64px, 8vw, 110px) 0; }
.ch .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 70px); align-items: center; }
.ch .about-copy h2 { font-size: clamp(2rem, 4vw, 3.1rem); margin: 14px 0 22px; }
.ch .about-copy p { color: var(--ink-soft); font-size: 1.05rem; line-height: 1.66; margin-bottom: 16px; }
.ch .ledger { margin: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel); }
.ch .led-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.ch .led-row:last-child { border-bottom: 0; }
.ch .led-no { font-family: var(--m); font-size: 0.72rem; color: var(--red-text); font-weight: 700; }
.ch .ledger dt { font-family: var(--m); font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.ch .ledger dd { margin: 0; text-align: right; font-weight: 600; color: var(--ink); font-size: 0.96rem; }

.ch .system { padding: clamp(64px, 8vw, 110px) 0; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ch .sysbento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ch .sysbox { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px; transition: border-color 0.3s, transform 0.3s; overflow: hidden; }
.ch .sysbox::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 90% at 100% 0%, rgba(255, 46, 31, 0.1), transparent 55%); opacity: 0; transition: opacity 0.35s; }
.ch .sysbox:hover { border-color: var(--line-2); transform: translateY(-4px); }
.ch .sysbox:hover::before { opacity: 1; }
.ch .sysbox-tag { display: inline-flex; font-family: var(--m); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.12em; color: var(--red-text); padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 6px; }
.ch .sysbox h3 { font-size: 1.5rem; margin: 18px 0 12px; }
.ch .sysbox p { color: var(--ink-soft); line-height: 1.6; font-size: 0.98rem; position: relative; }
.ch .sysbox-corner { position: absolute; bottom: 12px; right: 12px; width: 14px; height: 14px; border-bottom: 1px solid var(--line-2); border-right: 1px solid var(--line-2); }
.ch .sysbox.s1 { border-top: 2px solid var(--red); }

.ch .products { padding: clamp(64px, 8vw, 110px) 0; }
.ch .filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.ch .filter { cursor: pointer; font-family: var(--m); font-size: 0.74rem; font-weight: 500; letter-spacing: 0.04em; padding: 9px 16px; border-radius: 100px; border: 1px solid var(--line); background: var(--panel); color: var(--ink-soft); transition: 0.2s; }
.ch .filter:hover { border-color: var(--line-2); color: var(--ink); }
.ch .filter.on { background: var(--red); border-color: var(--red-text); color: #fff; }
.ch .ptable { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel); }
.ch .ptable-hd, .ch .prow { display: grid; grid-template-columns: 44px minmax(220px, 1.5fr) 132px minmax(220px, 1.8fr) 104px; align-items: center; gap: 16px; padding: 14px 20px; }
.ch .ptable-hd { font-family: var(--m); font-size: 0.66rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); background: var(--panel-2); border-bottom: 1px solid var(--line); }
.ch .ptable-hd > span:first-child { grid-column: 1 / 3; }
.ch .prow { border-bottom: 1px solid var(--line); transition: background 0.2s; }
.ch .prow:last-child { border-bottom: 0; }
.ch .prow:hover { background: var(--panel-2); }
.ch .prow-ch { font-family: var(--m); font-size: 0.72rem; color: var(--red-text); font-weight: 700; }
.ch .prow-unit { display: flex; align-items: center; gap: 14px; min-width: 0; }
.ch .prow-thumb { flex: none; width: 52px; height: 52px; border-radius: 10px; border: 1px solid var(--line); background: #fff; overflow: hidden; display: grid; place-items: center; }
.ch .prow-thumb img { width: 100%; height: 100%; object-fit: contain; }
.ch .prow-name { min-width: 0; }
.ch .prow-name b { display: block; font-weight: 600; font-size: 1rem; color: var(--ink); }
.ch .prow-name small { display: block; margin-top: 3px; font-family: var(--m); font-size: 0.68rem; color: var(--muted); }
.ch .prow-model { font-family: var(--m); font-size: 0.74rem; color: var(--ink-soft); letter-spacing: 0.02em; }
.ch .prow-spec p { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.4; margin-bottom: 7px; }
.ch .prow-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ch .prow-chips i { font-family: var(--m); font-style: normal; font-size: 0.64rem; color: var(--muted); padding: 3px 8px; border: 1px solid var(--line); border-radius: 5px; }
.ch .prow-class { justify-self: start; font-family: var(--m); font-size: 0.64rem; font-weight: 700; letter-spacing: 0.06em; padding: 5px 10px; border-radius: 6px; white-space: nowrap; }
.ch .prow-class.home { color: var(--ink-soft); border: 1px solid var(--line-2); }
.ch .prow-class.life { color: #fff; background: var(--red); }

.ch .radar { padding: clamp(64px, 8vw, 110px) 0; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ch .radar-grid { display: grid; grid-template-columns: 1fr 0.92fr; gap: clamp(34px, 5vw, 66px); align-items: center; }
.ch .radar-shell { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.ch .radar-hd { display: flex; align-items: center; gap: 9px; font-family: var(--m); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.ch .radar-read { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.ch .radar-read span { display: flex; flex-direction: column; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
.ch .radar-read i { font-family: var(--m); font-style: normal; font-size: 0.62rem; letter-spacing: 0.1em; color: var(--muted); }
.ch .radar-read b { font-family: var(--m); font-size: 0.84rem; color: var(--ink); font-weight: 700; }
.ch .radar-photo { margin: 16px 0 0; position: relative; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.ch .radar-photo img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.ch .radar-photo figcaption { position: absolute; left: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px; font-family: var(--m); font-size: 0.68rem; color: #fff; padding: 7px 11px; background: rgba(10, 12, 16, 0.72); backdrop-filter: blur(6px); border: 1px solid var(--line-2); border-radius: 8px; }
.ch .radar-copy h2 { font-size: clamp(2rem, 4vw, 3.1rem); margin: 14px 0 16px; }
.ch .radar-sub { color: var(--ink-soft); font-size: 1.06rem; line-height: 1.62; margin-bottom: 26px; }
.ch .feats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ch .feat { display: flex; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); transition: border-color 0.25s; }
.ch .feat:hover { border-color: var(--red-text); }
.ch .feat-no { flex: none; font-family: var(--m); font-size: 0.68rem; font-weight: 700; color: var(--red-text); padding-top: 2px; }
.ch .feat b { display: block; font-weight: 600; font-size: 0.94rem; color: var(--ink); margin-bottom: 3px; }
.ch .feat span { display: block; font-size: 0.8rem; color: var(--muted); line-height: 1.45; }

.ch .live { padding: clamp(64px, 8vw, 110px) 0; }
.ch .feed { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 16px; }
.ch .feed-app { position: relative; margin: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--panel); display: flex; flex-direction: column; }
.ch .feed-hd { display: flex; align-items: center; gap: 9px; font-family: var(--m); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); padding: 14px 16px; border-bottom: 1px solid var(--line); }
.ch .feed-app img { width: 100%; flex: 1; object-fit: cover; object-position: top left; background: #fff; }
.ch .feed-app figcaption { font-family: var(--m); font-size: 0.68rem; color: var(--ink-soft); padding: 12px 16px; border-top: 1px solid var(--line); }
.ch .feed-cases { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
.ch .feed-case { position: relative; margin: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #0b0e13; min-height: 232px; }
.ch .feed-pic { position: absolute; inset: 0; }
.ch .feed-pic img { width: 100%; height: 100%; object-fit: cover; }
.ch .feed-rec { position: absolute; top: 11px; left: 11px; display: inline-flex; align-items: center; gap: 6px; font-family: var(--m); font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase; color: #fff; padding: 5px 9px; background: rgba(10, 12, 16, 0.66); border: 1px solid var(--line-2); border-radius: 100px; backdrop-filter: blur(4px); }
.ch .feed-rec i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 7px var(--red); animation: blink 1.4s var(--ease) infinite; }
.ch .feed-case figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 20px 18px; background: linear-gradient(180deg, transparent, rgba(8, 10, 14, 0.5) 36%, rgba(8, 10, 14, 0.95)); }
.ch .feed-case figcaption b { display: block; font-weight: 600; font-size: 1.12rem; color: #fff; margin-bottom: 5px; }
.ch .feed-case figcaption span { display: block; color: rgba(238, 242, 247, 0.84); font-size: 0.9rem; line-height: 1.5; }

.ch .arch { padding: clamp(64px, 8vw, 110px) 0; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ch .bus { display: flex; align-items: stretch; flex-wrap: wrap; gap: 0; margin-bottom: 30px; }
.ch .bus-node { flex: 1 1 150px; position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px 18px; }
.ch .bus-node + .bus-node { margin-left: 26px; }
.ch .bus-no { font-family: var(--m); font-size: 0.66rem; font-weight: 700; color: var(--red-text); }
.ch .bus-node b { display: block; margin: 8px 0 4px; font-weight: 600; font-size: 1.04rem; color: var(--ink); }
.ch .bus-node span { display: block; font-family: var(--m); font-size: 0.7rem; color: var(--muted); }
.ch .bus-link { align-self: center; flex: none; width: 26px; height: 1px; margin: 0 -26px; position: relative; background: var(--line-2); }
.ch .bus-link::after { content: ""; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 5px; height: 5px; border-top: 1px solid var(--red); border-right: 1px solid var(--red); rotate: 45deg; }
.ch .svc { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.ch .svc-label { font-family: var(--m); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.ch .svc-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.ch .svc-chips span { display: inline-flex; align-items: center; gap: 8px; font-family: var(--m); font-size: 0.74rem; color: var(--ink-soft); padding: 7px 13px; border: 1px solid var(--line); border-radius: 100px; }

.ch .certs { padding: clamp(64px, 8vw, 110px) 0; }
.ch .certs-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(34px, 5vw, 60px); align-items: start; }
.ch .certs-copy h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 14px; }
.ch .certs-copy > p { color: var(--ink-soft); font-size: 1.04rem; line-height: 1.62; margin-bottom: 24px; }
.ch .cert-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.ch .cert-chips span { font-family: var(--m); font-size: 0.74rem; color: var(--ink-soft); padding: 9px 15px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); transition: border-color 0.25s, color 0.25s; }
.ch .cert-chips span:hover { border-color: var(--red-text); color: var(--ink); }
.ch .docs { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel); }
.ch .docs-hd { display: block; font-family: var(--m); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.ch .doc-row { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 14px; padding: 18px 20px; border-bottom: 1px solid var(--line); transition: background 0.2s; }
.ch .doc-row:last-child { border-bottom: 0; }
.ch .doc-row:hover { background: var(--panel-2); }
.ch .doc-no { font-family: var(--m); font-size: 0.72rem; color: var(--red-text); font-weight: 700; }
.ch .doc-label { font-weight: 600; color: var(--ink); }
.ch .doc-meta { font-family: var(--m); font-size: 0.68rem; color: var(--muted); }
.ch .doc-arr { width: 17px; height: 17px; color: var(--red-text); }

.ch .close { padding: clamp(40px, 6vw, 80px) 0 clamp(36px, 5vw, 56px); }
.ch .close-card { position: relative; text-align: center; padding: clamp(40px, 6vw, 72px) 30px; border: 1px solid var(--line); border-radius: 24px; overflow: hidden;
  background: radial-gradient(120% 120% at 50% -20%, rgba(255, 46, 31, 0.18), transparent 60%), var(--panel); }
.ch .close-card .klabel { margin-bottom: 16px; }
.ch .close-card h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 0 auto 14px; max-width: 16em; }
.ch .close-card p { color: var(--ink-soft); font-size: 1.05rem; line-height: 1.6; max-width: 40em; margin: 0 auto 28px; }
.ch .foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--m); font-size: 0.74rem; }

@media (max-width: 980px) {
  .ch .nav-links { position: fixed; inset: 70px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 12px 24px 24px; margin-left: 0; transform: translateY(-130%); transition: transform 0.35s var(--ease); box-shadow: 0 30px 70px -30px #000; }
  body.menu-open .ch .nav-links { transform: translateY(0); }
  .ch .nav-links > a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .ch .nav-links .btn { margin-top: 12px; justify-content: center; }
  .ch .burger { display: inline-flex; }
  .ch .nav-home .lbl { display: none; }
  .ch .hero-in { grid-template-columns: 1fr; }
  .ch .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .ch .sysbento { grid-template-columns: 1fr; }
  .ch .radar-grid { grid-template-columns: 1fr; }
  .ch .radar-copy { order: -1; }
  .ch .feed { grid-template-columns: 1fr; }
  .ch .feed-app img { max-height: 320px; }
}
@media (max-width: 760px) {
  .ch { background-size: 34px 34px; }
  .ch .ptable-hd { display: none; }
  .ch .prow { grid-template-columns: auto 1fr; gap: 12px; padding: 16px; }
  .ch .prow-ch { grid-row: 1; }
  .ch .prow-unit { grid-column: 2; grid-row: 1; }
  .ch .prow-model { grid-column: 2; grid-row: 2; }
  .ch .prow-spec { grid-column: 2; grid-row: 3; }
  .ch .prow-class { grid-column: 2; grid-row: 4; }
  .ch .feats { grid-template-columns: 1fr; }
  .ch .feed-case { grid-template-columns: 1fr; }
  .ch .feed-pic img { min-height: 200px; }
}
@media (max-width: 560px) {
  .ch .container { width: calc(100% - 34px); }
  .ch .bento { grid-template-columns: 1fr; }
  .ch .tile-radar { grid-row: auto; }
  .ch .radar-read { grid-template-columns: 1fr; }
  .ch .hero-coord { flex-direction: column; gap: 6px; }
  .ch .foot { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  .ch .led, .ch .tag-dot, .ch .feed-rec i { animation: none; }
  .ch .scope .sweep, .ch .scope .blip { animation: none; }
  .ch .scope .blip { opacity: 0.7; }
  .ch .ecg path, .ch .wave path { animation: none; stroke-dashoffset: 0; }
  .ch .ticker-track { animation: none; }
  .ch .reveal { transition: none; }
}