:root{
  --bg:#f4f8fc;--surface:#fff;--surface-2:#edf6ff;--text:#102033;--muted:#65758a;
  --blue:#0878d8;--blue-2:#0759ad;--navy:#072d58;--cyan:#19a7f0;--line:#dce8f3;
  --green:#16a36a;--amber:#f5a524;--red:#dc3948;--shadow:0 18px 50px rgba(25,72,117,.12);
  --radius:24px;--radius-sm:14px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-2)}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 36px));margin:0 auto}.skip-link{position:fixed;left:12px;top:-100px;z-index:9999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}
.topbar{background:#062a50;color:#cbe1f7;font-size:13px}.topbar-inner{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.topbar a{color:#fff}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(22,65,105,.08)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text)}.brand:hover{color:var(--text)}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--blue),var(--cyan));color:#fff;font-size:24px;font-weight:900;box-shadow:0 8px 20px rgba(8,120,216,.22)}.brand strong,.brand small{display:block;line-height:1.15}.brand strong{font-size:18px}.brand small{font-size:11px;color:var(--muted);margin-top:4px}.main-nav{display:flex;align-items:center;gap:7px}.main-nav>a,.search-toggle{padding:10px 12px;border-radius:11px;color:#263a50;font-size:14px;font-weight:700}.main-nav>a:hover{background:#eef6fd;color:var(--blue)}.search-toggle{border:0;background:#e9f4fd;color:var(--blue);cursor:pointer;font-size:24px;line-height:1}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:25px;height:2px;background:#17293b;margin:5px 0}.search-panel{border-top:1px solid var(--line);background:#fff}.search-panel form{display:flex;gap:10px;padding:14px 0}.search-panel input{flex:1;border:1px solid var(--line);padding:14px 16px;border-radius:13px;outline:none}.search-panel input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,120,216,.1)}.search-panel button,.btn{border:0;border-radius:13px;padding:13px 18px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:var(--blue-2);color:#fff}.btn-secondary{background:#fff;color:var(--blue);border:1px solid #bcd8ed}.btn-secondary:hover{background:#eef7ff;color:var(--blue)}.btn svg,.icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 75% 25%,rgba(25,167,240,.27),transparent 33%),linear-gradient(135deg,#062c56 0%,#0b4d8d 58%,#0878d8 100%);color:#fff}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}.hero:before{width:420px;height:420px;right:-100px;top:-220px}.hero:after{width:270px;height:270px;left:-120px;bottom:-160px}.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;padding:72px 0 64px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.18);color:#e5f3ff}.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.02;letter-spacing:-.04em;margin:18px 0 20px;max-width:850px}.hero p{font-size:18px;color:#d8ebfb;max-width:700px;margin:0 0 26px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero .btn{background:#fff;color:#0759ad}.hero .btn:hover{background:#eaf6ff}.hero .btn-secondary{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.24);color:#fff}.hero-visual{position:relative;min-height:380px;display:grid;place-items:center}.hero-card{position:relative;background:#fff;border-radius:32px;padding:22px;width:min(100%,500px);box-shadow:0 30px 80px rgba(0,20,43,.35);transform:rotate(-1deg)}.hero-card img{display:block;width:100%;object-fit:contain;aspect-ratio:1.1}.hero-float{position:absolute;bottom:24px;left:-18px;background:#fff;color:var(--text);padding:12px 15px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;font-weight:800}.hero-float strong{display:block;color:var(--green);font-size:16px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px;max-width:650px}.hero-stat{padding:12px 14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:15px}.hero-stat strong{display:block;font-size:18px}.hero-stat span{font-size:12px;color:#cce3f7}
.quick-grid{margin-top:-28px;position:relative;z-index:4;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.quick-card{background:#fff;border:1px solid rgba(210,226,240,.9);border-radius:19px;padding:18px;box-shadow:0 12px 30px rgba(24,68,112,.08);color:var(--text);transition:.2s transform,.2s box-shadow}.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:var(--text)}.quick-card .icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#eaf6ff;color:var(--blue);margin-bottom:12px}.quick-card strong{display:block;font-size:15px}.quick-card span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.section{padding:66px 0}.section-sm{padding:42px 0}.section-title{font-size:clamp(28px,4vw,43px);line-height:1.12;letter-spacing:-.025em;margin:0 0 12px}.section-lead{color:var(--muted);max-width:760px;margin:0 0 30px;font-size:17px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.content-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 25px rgba(26,69,112,.05);transition:.2s}.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.content-card .tag{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:var(--blue);margin-bottom:8px}.content-card h3{font-size:20px;line-height:1.25;margin:0 0 10px}.content-card p{font-size:14px;color:var(--muted);margin:0 0 14px}.content-card a.stretched{font-size:14px;font-weight:800}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.info-panel{background:linear-gradient(145deg,#fff,#f4faff);border:1px solid var(--line);border-radius:26px;padding:30px}.check-list{list-style:none;padding:0;margin:20px 0 0}.check-list li{position:relative;padding-left:28px;margin:10px 0}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
.breadcrumbs{font-size:13px;color:var(--muted);padding:19px 0}.breadcrumbs a{color:var(--muted)}.breadcrumbs span{margin:0 7px}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start;padding-bottom:70px}.article-main{background:#fff;border:1px solid var(--line);border-radius:26px;padding:clamp(24px,4vw,46px);box-shadow:0 12px 36px rgba(20,62,102,.06)}.article-head .eyebrow{color:var(--blue);background:#eaf6ff;border-color:#d2eafa}.article-head h1{font-size:clamp(34px,5vw,58px);line-height:1.06;letter-spacing:-.035em;margin:14px 0 14px}.article-meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px;margin-bottom:20px}.article-intro{font-size:19px;line-height:1.65;color:#2c425a;background:#f7fbff;border:1px solid #dfeefa;border-radius:18px;padding:18px 20px;margin:20px 0 28px}.article-main h2{font-size:30px;line-height:1.2;margin:42px 0 14px;letter-spacing:-.02em;scroll-margin-top:120px}.article-main h3{font-size:21px;margin:28px 0 10px}.article-main p{margin:12px 0;color:#293d52}.article-main ul,.article-main ol{padding-left:24px}.article-main li{margin:7px 0}.article-main table{border-collapse:separate;border-spacing:0;width:100%;margin:20px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden}.article-main th,.article-main td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}.article-main tr:last-child td{border-bottom:0}.article-main th{background:#eff7fd;color:#18334d}.note{display:flex;gap:12px;padding:17px 18px;border-radius:16px;background:#fff8e8;border:1px solid #f2dda6;margin:22px 0;color:#5c4620}.note.info{background:#eef8ff;border-color:#cbe5f8;color:#204a69}.note.danger{background:#fff1f2;border-color:#f4ccd0;color:#6b3037}.note strong{display:block}.download-box{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:linear-gradient(140deg,#062e58,#0878d8);color:#fff;border-radius:22px;padding:24px;margin:28px 0;box-shadow:0 15px 40px rgba(8,120,216,.2)}.download-box h3{margin:0 0 5px;color:#fff}.download-box p{margin:0;color:#d7eaff;font-size:14px}.download-box .btn{background:#fff;color:var(--blue)}.toc{background:#f7fbff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin:24px 0}.toc strong{display:block;margin-bottom:8px}.toc ol{margin:0;padding-left:21px}.toc a{color:#31536f}.toc a:hover{color:var(--blue)}.keyword-cloud{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.keyword-chip{font-size:12px;padding:7px 10px;border-radius:999px;background:#eef5fa;color:#547086;border:1px solid #ddeaf4}.faq{margin-top:42px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:none;text-align:left;padding:17px 0;font-weight:800;color:var(--text);display:flex;justify-content:space-between;gap:15px;cursor:pointer}.faq-q:after{content:"+";font-size:24px;color:var(--blue);line-height:1}.faq-item.open .faq-q:after{content:"−"}.faq-a{display:none;padding:0 0 18px;color:var(--muted)}.faq-item.open .faq-a{display:block}.sidebar{position:sticky;top:102px}.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:19px;margin-bottom:14px}.sidebar-card h3{font-size:15px;margin:0 0 12px}.side-links{display:flex;flex-direction:column;gap:9px}.side-links a{font-size:13px;color:#34506a;padding:9px 10px;border-radius:10px;background:#f5f9fc}.side-links a:hover{color:var(--blue);background:#eaf5fd}.sidebar-visual{background:linear-gradient(160deg,#eff8ff,#fff);text-align:center}.sidebar-visual img{max-height:190px;object-fit:contain}.related{margin-top:44px}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-card{border:1px solid var(--line);border-radius:16px;padding:15px;color:var(--text);background:#fbfdff}.related-card strong{display:block;line-height:1.3;margin-bottom:4px}.related-card span{font-size:12px;color:var(--muted)}
.catalog-head{padding:52px 0 28px}.catalog-head h1{font-size:clamp(36px,5vw,58px);margin:0 0 10px;letter-spacing:-.035em}.catalog-head p{color:var(--muted);max-width:800px}.catalog-groups{display:grid;gap:24px;padding-bottom:70px}.catalog-group{background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px}.catalog-group h2{margin:0 0 16px;font-size:24px}.catalog-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px}.catalog-links a{padding:9px 11px;border-radius:10px;color:#314c64}.catalog-links a:hover{background:#edf7ff;color:var(--blue)}.contact-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;max-width:760px}.search-results{display:grid;gap:12px;padding:20px 0 70px}.search-result{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px}.search-result h2{font-size:19px;margin:0 0 5px}.search-result p{font-size:14px;color:var(--muted);margin:0}.empty-state{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;text-align:center;color:var(--muted)}
.site-footer{background:#071e37;color:#aec6da;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}.footer-brand{color:#fff}.footer-grid p{font-size:13px;max-width:360px}.footer-grid h3{color:#fff;font-size:14px;margin:0 0 12px}.footer-grid>div>a:not(.brand){display:block;color:#b9d0e2;font-size:13px;margin:8px 0}.footer-grid>div>a:hover{color:#fff}.footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;font-size:12px}.to-top{position:fixed;right:18px;bottom:18px;width:42px;height:42px;border:0;border-radius:13px;background:#fff;color:var(--blue);box-shadow:var(--shadow);font-size:21px;display:none;cursor:pointer}.to-top.visible{display:block}
@media(max-width:980px){.main-nav{position:fixed;inset:108px 18px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav>a{padding:12px}.menu-toggle{display:block}.search-toggle{width:100%;text-align:left}.hero-inner{grid-template-columns:1fr}.hero-visual{min-height:300px}.hero-card{max-width:520px}.quick-grid{grid-template-columns:repeat(3,1fr)}.article-shell{grid-template-columns:1fr}.sidebar{position:static}.card-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.split{grid-template-columns:1fr}}
@media(max-width:640px){.container{width:min(var(--max),calc(100% - 24px))}.topbar{display:none}.nav-wrap{height:68px}.main-nav{inset:78px 12px auto}.hero-inner{padding:48px 0 54px;gap:24px}.hero h1{font-size:40px}.hero p{font-size:16px}.hero-stats{grid-template-columns:1fr 1fr}.hero-stat:last-child{grid-column:1/3}.hero-visual{min-height:230px}.hero-card{padding:13px;border-radius:22px}.hero-float{left:0;bottom:5px}.quick-grid{grid-template-columns:1fr 1fr;margin-top:-20px}.quick-card{padding:14px}.section{padding:48px 0}.card-grid{grid-template-columns:1fr}.article-main{border-radius:20px;padding:20px}.article-head h1{font-size:36px}.article-intro{font-size:17px}.article-main h2{font-size:26px}.download-box{grid-template-columns:1fr}.download-box .btn{width:100%}.related-grid{grid-template-columns:1fr}.catalog-links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.search-panel form{flex-direction:column}}