:root{--tech-blue:#49c4ff;--tech-line:rgba(77,175,232,.24);--tech-panel:rgba(5,18,31,.94)}
.gk-intro{position:fixed;inset:0;z-index:99999;display:grid;place-items:center;background:radial-gradient(circle at 50% 44%,#0b2a48 0,#020a12 46%,#01050a 100%);transition:opacity .48s ease,visibility .48s ease}.gk-intro.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.gk-intro-inner{display:grid;place-items:center;gap:14px;width:min(520px,82vw)}.gk-intro img{width:min(390px,78vw);height:auto;filter:drop-shadow(0 20px 38px rgba(0,0,0,.45));animation:gkLogoIn .95s cubic-bezier(.22,.7,.25,1) both}.gk-intro i{display:block;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,transparent,#5bd2ff,#1987d1,transparent);box-shadow:0 0 18px rgba(61,193,255,.65);animation:gkLine 1.2s .42s cubic-bezier(.22,.7,.25,1) forwards}.gk-intro span{font-size:10px;font-weight:900;letter-spacing:.2em;color:#84c9ef;opacity:0;animation:gkText .58s 1.02s ease forwards}@keyframes gkLogoIn{from{opacity:0;transform:translateY(8px) scale(.98);filter:blur(6px)}to{opacity:1;transform:none;filter:drop-shadow(0 20px 38px rgba(0,0,0,.45))}}@keyframes gkLine{to{width:88%}}@keyframes gkText{to{opacity:1}}@media(prefers-reduced-motion:reduce){.gk-intro{display:none!important}.gk-intro *{animation:none!important}}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.14;background-image:linear-gradient(rgba(62,151,211,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(62,151,211,.07) 1px,transparent 1px),radial-gradient(circle at 20% 20%,rgba(38,144,220,.12),transparent 26%);background-size:42px 42px,42px 42px,100% 100%;mask-image:linear-gradient(to bottom,transparent 0,#000 12%,#000 78%,transparent 100%)}
.blueprint-zone{position:relative}.blueprint-zone:before{content:"";position:absolute;inset:32px 14px auto;height:260px;pointer-events:none;opacity:.16;background:linear-gradient(90deg,transparent 0 6%,rgba(75,169,228,.22) 6% 6.2%,transparent 6.2% 28%,rgba(75,169,228,.18) 28% 28.2%,transparent 28.2%),linear-gradient(0deg,transparent 0 42%,rgba(75,169,228,.18) 42% 42.3%,transparent 42.3%);border-radius:28px}
.sectors-v2 .section-head{margin-bottom:18px}.sector-v2-tabs{display:flex;gap:8px;overflow:auto;padding:2px 0 14px;scrollbar-width:none}.sector-v2-tabs::-webkit-scrollbar{display:none}.sector-v2-tabs button{flex:0 0 auto;border:1px solid #2a5577;border-radius:999px;background:#071626;color:#aac1d1;padding:10px 15px;font-weight:850;font-size:11px;cursor:pointer}.sector-v2-tabs button.is-active{border-color:#54c9ff;background:linear-gradient(135deg,#0b4a77,#0a2d49);color:#fff;box-shadow:0 0 0 3px rgba(73,196,255,.1)}.sector-v2-stage{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:18px;border:1px solid #285273;border-radius:24px;padding:20px;background:radial-gradient(circle at 0 0,rgba(34,144,222,.15),transparent 34%),linear-gradient(150deg,#071827,#04111d);overflow:hidden}.sector-v2-visual{position:relative;min-height:330px;border:1px solid rgba(68,135,183,.3);border-radius:20px;background:linear-gradient(#07121f 0 58%,#092238 58% 100%);overflow:hidden}.sector-v2-visual:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 76% 18%,rgba(78,188,255,.16),transparent 20%)}.sector-v2-building{position:absolute;left:50%;bottom:36px;width:66%;height:68%;transform:translateX(-50%)}.sv2-body{position:absolute;left:12%;right:12%;bottom:0;height:67%;background:linear-gradient(145deg,#cfdae3,#7897aa);clip-path:polygon(4% 4%,96% 4%,100% 100%,0 100%);box-shadow:inset 0 0 0 2px rgba(255,255,255,.08)}.sv2-roof{position:absolute;left:2%;right:2%;top:6%;height:36%;background:#536d7f;clip-path:polygon(50% 0,100% 76%,91% 84%,50% 26%,9% 84%,0 76%)}.sv2-door{position:absolute;left:45%;bottom:0;width:12%;height:28%;background:#15384e;z-index:3}.sv2-window{position:absolute;bottom:28%;width:15%;height:19%;background:linear-gradient(145deg,#64b9e5,rgba(255,223,147,.42));z-index:3}.sv2-window.w1{left:23%}.sv2-window.w2{right:23%}.sv2-node{position:absolute;z-index:6;width:40px;height:40px;border:1px solid #56c8ff;border-radius:50%;display:grid;place-items:center;background:#082338;color:#72d3ff;box-shadow:0 0 22px rgba(64,186,250,.3)}.sv2-node.n1{left:12%;top:29%}.sv2-node.n2{right:14%;top:22%;color:#ff9c5d;border-color:#ff9c5d}.sv2-node.n3{left:48%;bottom:12%;color:#bd8cff;border-color:#bd8cff}.sector-v2-scan{position:absolute;left:8%;right:8%;top:20%;height:1px;background:linear-gradient(90deg,transparent,#5bceff,transparent);box-shadow:0 0 24px #5bceff;animation:sv2Scan 4.5s ease-in-out infinite}@keyframes sv2Scan{50%{transform:translateY(210px);opacity:.4}}.sector-v2-copy{align-self:center;padding:10px 12px}.sector-v2-copy>span{color:#5dc9ff;font-size:10px;font-weight:950;letter-spacing:.13em}.sector-v2-copy h3{font-size:clamp(26px,3vw,42px);line-height:1.05;margin:10px 0 12px}.sector-v2-copy p{color:#a7bdcc;line-height:1.72}.sector-v2-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.sector-v2-tags span{padding:8px 10px;border-radius:999px;border:1px solid #315a76;background:#081b2b;color:#c7dce9;font-size:10px;font-weight:800}.sector-v2-risk{display:grid;gap:7px;margin:16px 0 20px}.sector-v2-risk span{display:flex;gap:8px;align-items:center;color:#9fb7c7;font-size:11px}.sector-v2-risk span:before{content:"";width:7px;height:7px;border-radius:50%;background:#3db9ff;box-shadow:0 0 9px rgba(61,185,255,.5)}
.tech-lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tech-demo-card{border:1px solid #285272;border-radius:24px;padding:20px;background:radial-gradient(circle at 100% 0,rgba(39,147,222,.1),transparent 28%),linear-gradient(155deg,#071827,#04111d);box-shadow:0 22px 55px rgba(0,0,0,.22);min-width:0}.tech-demo-head>span{display:block;color:#5bc9ff;font-size:10px;font-weight:950;letter-spacing:.12em}.tech-demo-head h3{font-size:22px;margin:8px 0}.tech-demo-head p{margin:0;color:#9fb7c7;line-height:1.65;font-size:12px}.villa-scene{position:relative;height:330px;margin-top:18px;border:1px solid #2a5577;border-radius:18px;overflow:hidden;background:linear-gradient(#5da7d5 0 58%,#274c34 58%);transition:background .35s}.villa-scene.is-night{background:linear-gradient(#07111f 0 58%,#10251a 58%)}.villa-sky{position:absolute;inset:0 0 42%}.sunmoon{position:absolute;right:13%;top:14%;width:46px;height:46px;border-radius:50%;background:#ffd873;box-shadow:0 0 35px rgba(255,216,115,.35);transition:.35s}.is-night .sunmoon{background:#cbe7ff;box-shadow:-12px 0 0 1px #07111f,0 0 30px rgba(203,231,255,.3)}.villa-house{position:absolute;left:50%;bottom:35px;width:56%;height:58%;transform:translateX(-50%)}.villa-house .body{position:absolute;left:9%;right:9%;bottom:0;height:62%;background:#d9e3e9}.villa-house .roof{position:absolute;left:0;right:0;top:5%;height:42%;background:#637888;clip-path:polygon(50% 0,100% 76%,91% 84%,50% 28%,9% 84%,0 76%)}.villa-house .door{position:absolute;left:44%;bottom:0;width:13%;height:29%;background:#25485e;z-index:2}.villa-house .window{position:absolute;bottom:23%;width:17%;height:19%;background:#57a7d2;z-index:2}.villa-house .window.a{left:20%}.villa-house .window.b{right:20%}.cam{position:absolute;z-index:5;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#08283d;color:#63d2ff;border:1px solid #50c4ff}.cam.c1{left:20%;top:34%}.cam.c2{right:19%;top:40%}.cam i{position:absolute;left:16px;top:12px;width:170px;height:95px;background:linear-gradient(90deg,rgba(66,191,255,.2),rgba(66,191,255,0));clip-path:polygon(0 44%,100% 0,100% 100%);transform-origin:left center}.cam.c2 i{left:auto;right:16px;transform:scaleX(-1)}.motion-dot{position:absolute;left:48%;bottom:40px;color:#ff5d69;opacity:0}.perimeter-line{position:absolute;left:10%;right:10%;bottom:20px;height:1px;border-top:1px dashed rgba(77,198,255,.7)}.villa-scene.is-alarm .motion-dot{opacity:1;animation:motionPulse .8s infinite}.villa-scene.is-alarm .cam{border-color:#ff6873;color:#ff6873;box-shadow:0 0 20px rgba(255,104,115,.3)}@keyframes motionPulse{50%{transform:scale(1.7);opacity:.35}}.demo-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.demo-controls button{border:1px solid #315a78;border-radius:10px;background:#061626;color:#bdd2e0;padding:9px 12px;font-size:10px;font-weight:850;cursor:pointer}.demo-controls button.is-active{border-color:#51c7ff;background:#0c395a;color:#fff}.demo-note{display:block;margin-top:10px;color:#84a1b4;line-height:1.5}
.journey-track{position:relative;display:grid;grid-template-columns:repeat(11,auto);align-items:center;gap:8px;margin-top:22px;padding:18px;border:1px solid #284e6b;border-radius:18px;background:#04121e;overflow:auto}.journey-node{min-width:98px;padding:12px;border:1px solid #2d5878;border-radius:13px;background:#071d2f;cursor:pointer;transition:.2s}.journey-node b{display:block;font-size:11px}.journey-node small{display:block;margin-top:5px;color:#7f9cb0;font-size:9px}.journey-node.is-active{border-color:#5ed0ff;box-shadow:0 0 0 2px rgba(77,195,255,.12),0 0 22px rgba(77,195,255,.12)}.journey-track>i{color:#3c88b8;font-style:normal}.journey-packet{position:absolute;width:11px;height:11px;border-radius:50%;background:#5bd2ff;box-shadow:0 0 15px #5bd2ff;left:25px;top:50%;transform:translateY(-50%);opacity:0}.journey-track.is-running .journey-packet{opacity:1;animation:journeyRun 3s linear forwards}@keyframes journeyRun{from{left:25px}to{left:calc(100% - 35px)}}
.camera-lab-scene{position:relative;height:310px;margin-top:18px;border:1px solid #2b5575;border-radius:18px;overflow:hidden;background:linear-gradient(#273c56 0 54%,#101b24 54%);filter:brightness(var(--lab-bright,1)) contrast(var(--lab-contrast,1));transition:filter .18s}.lab-sky{position:absolute;inset:0 0 46%;background:linear-gradient(#202f44,#526a7d)}.lab-road{position:absolute;left:0;right:0;bottom:0;height:48%;background:linear-gradient(#1a2730,#0b1217)}.lab-car{position:absolute;right:16%;bottom:33%;width:110px;height:42px;border-radius:25px 30px 12px 12px;background:#5d6971;box-shadow:inset 0 -10px #3b4247}.lab-lamp{position:absolute;right:23%;bottom:53%;width:16px;height:16px;border-radius:50%;background:#fff2b2;box-shadow:0 0 calc(18px + var(--hlc,10px)) rgba(255,241,174,.9)}.lab-person{position:absolute;left:24%;bottom:25%;width:24px;height:72px;border-radius:15px 15px 7px 7px;background:#202b33}.lab-noise{position:absolute;inset:0;opacity:var(--noise,.25);background-image:repeating-radial-gradient(circle at 20% 30%,rgba(255,255,255,.12) 0 1px,transparent 1px 4px);mix-blend-mode:screen}.lab-glare{position:absolute;inset:0;background:radial-gradient(circle at 76% 48%,rgba(255,255,230,var(--glare,.22)),transparent 20%)}.lab-shadow{position:absolute;left:0;top:0;bottom:0;width:42%;background:rgba(0,0,0,var(--shadow,.24))}.lab-info{position:absolute;left:12px;bottom:12px;padding:8px 10px;border-radius:999px;border:1px solid rgba(76,171,228,.35);background:rgba(3,12,20,.72);color:#c8e5f5;font-size:9px;font-weight:800}.camera-lab-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.camera-lab-controls label{display:grid;gap:6px;padding:10px;border:1px solid #294e6d;border-radius:12px;background:#061523}.camera-lab-controls span{font-size:9px;font-weight:850;color:#a9c3d4}.camera-lab-controls input,.camera-lab-controls select{width:100%;accent-color:#4bc8ff;background:#071a2b;color:#fff;border:0}.camera-lab-tip{margin-top:12px;padding:12px 14px;border-radius:13px;border:1px solid #2a5472;background:#061725;color:#a9c1d0;font-size:11px;line-height:1.6}.camera-lab-tip strong{color:#66d0ff}
.exploded-system{display:flex;align-items:center;gap:8px;overflow:auto;margin-top:22px;padding:18px;border:1px solid #294f6c;border-radius:18px;background:#04121e}.exploded-system>i{color:#377da9;font-style:normal}.exploded-system button{flex:0 0 92px;min-height:86px;border:1px solid #2d5878;border-radius:14px;background:#071b2c;color:#d6e6ef;display:grid;place-items:center;gap:5px;cursor:pointer}.exploded-system button b{font-size:22px;color:#5bcaff}.exploded-system button span{font-size:9px;font-weight:850}.exploded-system button.is-active{border-color:#5bcaff;box-shadow:0 0 0 2px rgba(74,196,255,.1)}.exploded-detail{margin-top:12px;padding:14px;border:1px solid #2a5271;border-radius:14px;background:#061725}.exploded-detail strong{color:#5fcaff}.exploded-detail p{margin:6px 0 0;color:#a6bfce;line-height:1.6;font-size:11px}
@media(max-width:1000px){.sector-v2-stage,.tech-lab-grid{grid-template-columns:1fr}.sector-v2-visual{min-height:290px}.camera-lab-controls{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.sector-v2-stage,.tech-demo-card{padding:14px}.sector-v2-visual{min-height:240px}.villa-scene,.camera-lab-scene{height:250px}.camera-lab-controls{grid-template-columns:1fr 1fr}.journey-track{grid-template-columns:repeat(11,max-content)}.sector-v2-copy h3{font-size:28px}.tech-demo-head h3{font-size:19px}}@media(prefers-reduced-motion:reduce){.sector-v2-scan,.motion-dot,.journey-packet{animation:none!important}}

@media(max-width:700px){.gk-intro img{animation-duration:.78s}.gk-intro i{animation-duration:.95s;animation-delay:.32s}.gk-intro span{animation-duration:.45s;animation-delay:.8s}}