:root{--ink:#1f2b33;--muted:#677781;--paper:#fbfcfd;--navy:#12384d;--blue:#247a9a;--cyan:#3ab1b8;--green:#5d9b68;--yellow:#e8b83d;--orange:#df7c43;--line:#d9e2e6;--soft:#edf6f7;--warm:#fff5e6;--white:#fff;--max:1450px;--shadow:0 16px 44px rgba(31,43,51,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.67}a{color:#176d85;text-underline-offset:.18em}a:hover{color:#a6552e}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:10px;background:#fff;padding:10px;z-index:100}
header{position:sticky;top:0;z-index:50;background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.top{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:900;letter-spacing:-.025em}.mark{width:46px;height:46px;border-radius:12px;background:var(--navy);position:relative;overflow:hidden}.mark:before{content:"";position:absolute;left:18px;top:6px;width:13px;height:34px;background:var(--yellow);clip-path:polygon(55% 0,100% 0,66% 41%,100% 41%,34% 100%,46% 56%,12% 56%)}.mark:after{content:"";position:absolute;inset:0;border:2px solid rgba(255,255,255,.18);border-radius:12px}
nav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);font-size:.89rem;font-weight:780}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 11px;font-weight:800}
.hero{background:linear-gradient(120deg,#eaf5f7 0,#fff6df 48%,#eef4eb 100%);border-bottom:1px solid var(--line);overflow:hidden}.heroGrid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;padding:72px 0}.eyebrow{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:var(--orange)}h1,h2,h3{line-height:1.14;letter-spacing:-.028em}h1{font-size:clamp(2.5rem,6vw,5rem);margin:.23em 0 .29em}.hero p,.pageHero p{font-size:1.13rem;color:#586c78;max-width:900px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;border:1px solid #aebfc7;background:#fff;color:var(--ink);font-weight:850;text-decoration:none}.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.gridScene{height:420px;position:relative;border-radius:22px;border:1px solid #cbd8de;background:linear-gradient(#a8d5e0 0 43%,#dfe9cf 43% 100%);box-shadow:var(--shadow);overflow:hidden}.sun{position:absolute;width:66px;height:66px;border-radius:50%;background:#f2c653;right:36px;top:30px}.plant{position:absolute;left:28px;bottom:72px;width:110px;height:92px;background:#586a74}.plant:before{content:"";position:absolute;left:15px;top:-58px;width:22px;height:60px;background:#586a74;box-shadow:38px 18px 0 #6f7f87}.tower{position:absolute;left:185px;bottom:56px;width:5px;height:190px;background:#40545e}.tower:before{content:"";position:absolute;left:-52px;top:35px;width:110px;height:5px;background:#40545e;box-shadow:0 27px #40545e}.tower:after{content:"";position:absolute;left:-32px;top:62px;width:70px;height:120px;border-left:4px solid #40545e;border-right:4px solid #40545e;transform:skew(-13deg)}.sub{position:absolute;left:315px;bottom:70px;width:105px;height:65px;background:#315f72;border:5px solid #244a59}.sub:before{content:"";position:absolute;left:14px;top:-26px;width:8px;height:25px;background:#354b54;box-shadow:32px 0 #354b54,64px 0 #354b54}.house{position:absolute;right:55px;bottom:68px;width:86px;height:68px;background:#fff;border:4px solid #71838a}.house:before{content:"";position:absolute;left:-8px;top:-38px;border-left:48px solid transparent;border-right:48px solid transparent;border-bottom:38px solid #d57a45}.battery{position:absolute;right:176px;bottom:70px;width:60px;height:83px;border:5px solid #3d7c69;border-radius:8px;background:#ecf5ef}.battery:before{content:"";position:absolute;width:20px;height:8px;background:#3d7c69;left:15px;top:-12px}.battery:after{content:"";position:absolute;left:18px;top:20px;width:16px;height:38px;background:var(--green);clip-path:polygon(52% 0,100% 0,66% 42%,100% 42%,30% 100%,44% 57%,0 57%)}.line{position:absolute;height:3px;background:#40545e;transform-origin:left}.ln1{left:130px;top:191px;width:80px}.ln2{left:230px;top:191px;width:105px}.ln3{left:420px;top:245px;width:130px}.flow{position:absolute;left:34px;bottom:24px;background:#fff;border:1px solid #c6d5db;border-radius:10px;padding:9px 13px;font-weight:850;color:#30566a}
.section{padding:62px 0}.soft{background:var(--soft)}.warm{background:var(--warm)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;box-shadow:0 8px 24px rgba(31,43,51,.055)}.card h3{margin-top:0}.kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.11em;color:var(--orange);font-weight:900}
.pageHero{background:linear-gradient(120deg,#eaf4f7,#fff4dc);border-bottom:1px solid var(--line);padding:52px 0 43px}.pageHero h1{font-size:clamp(2.15rem,5vw,4rem);max-width:1120px}.breadcrumbs{padding-top:15px;font-size:.9rem;color:var(--muted)}.breadcrumbs a{color:var(--muted)}.content{max-width:960px}.content p{font-size:1.045rem}.note{margin:26px 0;padding:18px 20px;border-left:5px solid var(--yellow);background:#fff9e6;border-radius:0 12px 12px 0}.warning{border-left-color:var(--orange);background:#fff0e9}.related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px;text-decoration:none;font-weight:800}.tool{max-width:900px;background:#fff;border:1px solid #cbd8de;border-radius:17px;padding:26px;box-shadow:var(--shadow)}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:800}.field input,.field select{padding:11px 12px;border:1px solid #9eb2bd;border-radius:8px;font:inherit}.result{margin-top:17px;padding:17px;background:#ebf7f5;border:1px solid #c5e0d9;border-radius:10px}.result strong{font-size:1.35rem;color:#126c71}
footer{background:#12384d;color:#dce8ee;margin-top:60px}.foot{display:grid;grid-template-columns:1.05fr 1.95fr;gap:40px;padding:46px 0}.footlinks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 18px}.footlinks a{color:#f1f8fb;text-decoration:none}.fine{border-top:1px solid #356075;padding:17px 0 26px;color:#aac0cd;font-size:.89rem}.cookie{background:none;border:0;padding:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer}
@media(max-width:1060px){nav{display:none}.menu{display:block}nav.open{display:block;position:absolute;top:78px;left:0;right:0;background:#fbfcfd;border-bottom:1px solid var(--line);padding:17px}nav.open ul{width:min(var(--max),calc(100% - 36px));margin:auto;display:grid;grid-template-columns:repeat(2,1fr)}.heroGrid{grid-template-columns:1fr}.gridScene{max-width:720px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related{grid-template-columns:repeat(2,minmax(0,1fr))}.foot{grid-template-columns:1fr}}
@media(max-width:640px){.wrap{width:min(var(--max),calc(100% - 24px))}.grid,.grid2,.formgrid,.related{grid-template-columns:1fr}.footlinks{grid-template-columns:repeat(2,1fr)}.gridScene{height:340px}.section{padding:45px 0}}