:root{--ink:#1f2a31;--muted:#64727a;--paper:#fbfdfe;--deep:#112936;--blue:#286d89;--ice:#d9f0f3;--cyan:#4eb7c1;--violet:#7470b5;--amber:#dba63c;--line:#d7e2e6;--soft:#edf6f7;--warm:#faf3e4;--white:#fff;--max:1450px;--shadow:0 16px 44px rgba(24,42,52,.11)}
*{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:#176e85;text-underline-offset:.18em}a:hover{color:#8b6518}.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(251,253,254,.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:12px;background:var(--deep);position:relative;overflow:hidden}.mark:before{content:"";position:absolute;left:9px;top:8px;width:28px;height:28px;background:linear-gradient(145deg,#fff,#72c4cc 46%,#7470b5);clip-path:polygon(50% 0,100% 38%,79% 100%,21% 100%,0 38%)}.mark:after{content:"";position:absolute;left:14px;top:17px;width:18px;height:2px;background:#fff;transform:rotate(28deg);box-shadow:5px 8px 0 #d9f0f3}nav ul{display:flex;gap:13px;list-style:none;padding:0;margin:0;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);font-size:.88rem;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,#f9fbfc 46%,#f2eef9 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:#8b6518}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:#586a74;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 #aec0c7;background:#fff;color:var(--ink);font-weight:850;text-decoration:none}.primary{background:var(--deep);border-color:var(--deep);color:#fff}
.lattice{height:420px;position:relative;border-radius:22px;overflow:hidden;border:1px solid #cbdbe1;background:linear-gradient(145deg,#153543,#244e61 58%,#293650);box-shadow:var(--shadow)}.crystal{position:absolute;left:50%;top:48%;width:170px;height:160px;transform:translate(-50%,-50%);background:linear-gradient(135deg,#eafcff,#73bec8 48%,#8581c1);clip-path:polygon(50% 0,94% 25%,100% 70%,72% 100%,28% 100%,0 70%,6% 25%);opacity:.95}.crystal:after{content:"";position:absolute;inset:23px 28px;background:rgba(255,255,255,.35);clip-path:polygon(50% 0,100% 100%,0 100%)}.node{position:absolute;width:19px;height:19px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 8px rgba(255,255,255,.08)}.n1{left:55px;top:65px}.n2{left:128px;top:140px;background:var(--cyan)}.n3{right:65px;top:72px;background:#fff}.n4{right:125px;bottom:90px;background:var(--violet)}.n5{left:78px;bottom:72px;background:#fff}.link{position:absolute;height:3px;background:#8bc9d0;transform-origin:left;opacity:.82}.l1{left:70px;top:76px;width:145px;transform:rotate(24deg)}.l2{left:144px;top:147px;width:230px;transform:rotate(-17deg)}.l3{left:92px;bottom:81px;width:240px;transform:rotate(-31deg)}.l4{right:77px;top:82px;width:168px;transform:rotate(77deg);transform-origin:right}.label{position:absolute;left:27px;bottom:22px;background:#f4fcfd;color:#214c5f;border-radius:10px;padding:9px 13px;font-weight:850}
.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(31,42,49,.055)}.card h3{margin-top:0}.kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.11em;color:#8b6518;font-weight:900}.pageHero{background:linear-gradient(120deg,#eaf5f7,#f4effa);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(--cyan);background:#ecfbfc;border-radius:0 12px 12px 0}.warning{border-left-color:#bd6c3a;background:#fff1e9}.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 #cbdbe1;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:#edf8f5;border:1px solid #c4e0d8;border-radius:10px}.result strong{font-size:1.35rem;color:#267266}
footer{background:#112936;color:#dce8ed;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:#f3f8fa;text-decoration:none}.fine{border-top:1px solid #365566;padding:17px 0 26px;color:#adc1ca;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:#fbfdfe;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)}.lattice{height:340px}.section{padding:45px 0}}