:root{--ink:#202b31;--muted:#64737b;--paper:#fbfcfc;--deep:#183744;--steel:#637c86;--cyan:#4ba7b8;--teal:#3a8179;--amber:#d5a13d;--rust:#b8613c;--line:#d5e0e3;--soft:#edf5f5;--warm:#faf1e3;--max:1450px;--shadow:0 16px 44px rgba(27,44,52,.12)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.68}a{color:#1e7082;text-underline-offset:.18em}a:hover{color:#98502f}.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(251,252,252,.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}.mark{width:46px;height:46px;border-radius:11px;background:var(--deep);position:relative;overflow:hidden}.mark:before{content:"";position:absolute;left:8px;right:8px;bottom:8px;height:27px;border-left:4px solid #dce9ec;border-right:4px solid #dce9ec;border-top:4px solid #dce9ec;transform:skew(-8deg)}.mark:after{content:"";position:absolute;left:9px;top:21px;width:29px;height:3px;background:var(--cyan);box-shadow:0 -9px 0 var(--amber),0 9px 0 var(--rust)}
nav ul{display:flex;gap:12px;list-style:none;padding:0;margin:0;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);font-size:.86rem;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,#e8f3f5 0,#fafcfc 49%,#fbf1df 100%);border-bottom:1px solid var(--line)}.heroGrid{display:grid;grid-template-columns:1.03fr .97fr;gap:54px;align-items:center;padding:72px 0}.eyebrow{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:#9a5d24}h1,h2,h3{line-height:1.14;letter-spacing:-.028em}h1{font-size:clamp(2.45rem,6vw,4.9rem);margin:.23em 0 .29em}.hero p,.pageHero p{font-size:1.13rem;color:#586a73;max-width:900px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;padding:12px 18px;border-radius:999px;border:1px solid #aebfc5;background:#fff;color:var(--ink);font-weight:850;text-decoration:none}.primary{background:var(--deep);border-color:var(--deep);color:#fff}
.structure{height:420px;position:relative;border-radius:22px;overflow:hidden;border:1px solid #cad8dc;background:linear-gradient(145deg,#153642,#2c5260);box-shadow:var(--shadow)}.frame{position:absolute;left:72px;right:72px;top:55px;bottom:68px;border-left:13px solid #bac8cc;border-right:13px solid #bac8cc;border-top:13px solid #bac8cc}.frame:before,.frame:after{content:"";position:absolute;left:0;right:0;height:10px;background:#7f949b}.frame:before{top:93px}.frame:after{top:190px}.brace{position:absolute;height:9px;background:#d5a13d;transform-origin:left}.b1{left:86px;top:159px;width:260px;transform:rotate(-28deg)}.b2{left:270px;top:160px;width:258px;transform:rotate(28deg)}.b3{left:86px;bottom:100px;width:260px;transform:rotate(-28deg)}.b4{left:270px;bottom:100px;width:258px;transform:rotate(28deg)}.sensor{position:absolute;width:18px;height:18px;border-radius:50%;background:#4ba7b8;box-shadow:0 0 0 8px rgba(75,167,184,.12)}.s1{left:72px;top:145px}.s2{right:72px;top:238px}.s3{left:50%;top:52px}.wave{position:absolute;left:35px;right:35px;bottom:29px;height:32px;background:linear-gradient(90deg,transparent,#4ba7b8 10% 20%,transparent 20% 26%,#d5a13d 26% 28%,transparent 28% 40%,#4ba7b8 40% 60%,transparent 60% 67%,#b8613c 67% 70%,transparent 70%);clip-path:polygon(0 60%,8% 50%,14% 66%,20% 25%,27% 59%,35% 52%,42% 78%,51% 30%,58% 62%,66% 46%,74% 64%,82% 28%,91% 52%,100% 40%,100% 100%,0 100%)}.tag{position:absolute;left:25px;top:20px;background:#f5fbfc;color:#234f5e;border-radius:10px;padding:9px 13px;font-weight:850}
.section{padding:62px 0}.soft{background:var(--soft)}.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(31,42,49,.055)}.card h3{margin-top:0}.kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.11em;color:#9a5d24;font-weight:900}.pageHero{background:linear-gradient(120deg,#e9f4f5,#faf0e0);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)}.content{max-width:980px}.content p{font-size:1.045rem}.note{margin:26px 0;padding:18px 20px;border-left:5px solid var(--teal);background:#edf8f5;border-radius:0 12px 12px 0}.warning{border-left-color:var(--rust);background:#fff0e8}.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 #cbd9dd;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{padding:11px 12px;border:1px solid #9fb2ba;border-radius:8px;font:inherit}.result{margin-top:17px;padding:17px;background:#edf8f5;border:1px solid #c5dfd7;border-radius:10px}.result strong{font-size:1.35rem;color:#26766d}
footer{background:#183744;color:#dce8ec;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:#f1f7f9;text-decoration:none}.fine{border-top:1px solid #3d5e6b;padding:17px 0 26px;color:#acc0c8;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:#fbfcfc;padding:17px;border-bottom:1px solid var(--line)}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}.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)}.structure{height:350px}.section{padding:45px 0}}