:root{
  --ac:#4338CA;
  --ac-ink:#3930ac;
  --tint:#e8e7f9;
  --ink:#17161C;
  --ink2:#2B2934;
  --mut:#5E5B6B;
  --line:#E3E1EC;
  --chip:#D6D3E2;
  --rail:#F4F3F9;
  --neg:#A1460A;
  --foot:#17161C;
  --fh:"Avenir Next", Avenir, Montserrat, Corbel, "URW Gothic", sans-serif;
  --fb:Seravek, "Gill Sans Nova", Ubuntu, Calibri, "DejaVu Sans", sans-serif;
  --mono:ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:#fff;color:var(--ink);font-family:var(--fb);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ac-ink)}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
.sb-skip{position:absolute;left:-9999px}
.sb-skip:focus{left:1rem;top:.75rem;z-index:20;background:#fff;padding:.6rem .9rem;border:2px solid var(--ac)}

/* шапка: знак-штамп, без меню */
.sb-head{border-bottom:1px solid var(--line);background:#fff}
.sb-headbar{max-width:1280px;margin:0 auto;padding:14px 32px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.sb-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.sb-brand:hover{color:var(--ink)}
.sb-stamp{color:var(--ac);flex:0 0 auto}
.sb-bname{font-family:var(--fh);font-weight:600;font-size:20px;letter-spacing:-.01em}
.sb-tag{border-left:1px solid var(--line);padding-left:20px;font-size:15px;line-height:22px;color:var(--mut)}
.sb-az{margin-left:auto;display:inline-flex;align-items:center;min-height:44px;font-size:15px;text-decoration:none}
.sb-secbtn{display:none}

/* рама: колонка разделов слева, текст справа */
.sb-frame{max-width:1280px;width:100%;margin:0 auto;display:flex;flex:1 0 auto}
.sb-rail{flex:0 0 264px;background:var(--rail);border-right:1px solid var(--line);padding:28px 20px 40px;display:flex;flex-direction:column;gap:22px}
.sb-rg{display:flex;flex-direction:column;gap:2px}
.sb-rh{margin:0;padding:0 10px 6px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.sb-ri{display:block;padding:6px 10px;border-radius:6px;color:var(--ink2);font-size:15px;line-height:1.4;text-decoration:none}
.sb-ri:hover{background:#fff;color:var(--ink)}
.sb-ri.is-open{color:var(--ink);font-weight:600}
.sb-ri.is-on{background:var(--tint);color:var(--ac);font-weight:600}
.sb-sub{padding:4px 10px 4px 24px;font-size:14px;color:var(--mut)}
.sb-main{flex:1 1 auto;min-width:0;padding:32px 56px 72px}
.sb-col{max-width:760px;display:flex;flex-direction:column;gap:26px}
.sb-wide{max-width:820px}
.sb-narrow{max-width:680px}

/* крошки, ярлык, заголовок */
.sb-crumbs{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--mono);font-size:13px;color:var(--mut)}
.sb-crumbs a{color:var(--mut)}
.sb-crumbs a:hover{color:var(--ink)}
.sb-here{color:var(--ink)}
.sb-titleblock{display:flex;flex-direction:column;gap:14px}
.sb-pill{align-self:flex-start;border:1px solid var(--ac);border-radius:999px;padding:3px 10px;font-family:var(--mono);font-size:12px;line-height:1.4;letter-spacing:.06em;text-transform:uppercase;color:var(--ac)}
h1{margin:0;font-family:var(--fh);font-weight:700;font-size:42px;line-height:1.14;letter-spacing:-.02em;text-wrap:balance}
.sb-intro{margin:0;max-width:680px;font-size:19px;color:var(--ink2)}

/* табличка-ответ: пунктир акцента, штамп, дата проверки */
.sb-answer{border:2px dashed var(--ac);border-radius:12px;padding:20px 24px 22px;display:flex;flex-direction:column;gap:10px}
.sb-answer-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.sb-answer-k{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ac)}
.sb-answer-d{margin-left:auto;font-family:var(--mono);font-size:13px;color:var(--mut)}
.sb-answer p{margin:0;font-size:19px;line-height:1.55}
.sb-answer-home{flex-direction:row;align-items:flex-start;gap:18px;padding:22px 24px}
.sb-answer-home>div{display:flex;flex-direction:column;gap:10px}
.sb-answer-home .sb-answer-d{margin-left:0}
.sb-mark{flex:0 0 auto}
.sb-mark circle{fill:var(--tint);stroke:var(--ac);stroke-width:2}
.sb-mark path{fill:none;stroke:var(--ac);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.sb-verified{margin:0;font-family:var(--mono);font-size:13px;color:var(--mut)}

/* чипы */
.sb-k{margin:0;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
h2.sb-k{font-size:13px}
.sb-find{display:flex;flex-direction:column;gap:12px}
.sb-chips{display:flex;flex-wrap:wrap;gap:8px}
.sb-chip{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--chip);border-radius:999px;color:var(--ink);font-size:16px;text-decoration:none}
.sb-chip:hover{border-color:var(--ac);color:var(--ac)}
.sb-chip-go{background:var(--ac);border-color:var(--ac);color:#fff}
.sb-chip-go:hover{background:var(--ac-ink);border-color:var(--ac-ink);color:#fff}

/* «On this page» */
.sb-toc{display:flex;flex-wrap:wrap;align-items:center;gap:6px 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0}
.sb-toc .sb-k{margin-right:8px}
.sb-toc a{padding:4px 10px;border-radius:6px;background:var(--rail);font-size:15px;text-decoration:none}
.sb-toc a:hover{background:var(--tint)}

/* текст статьи */
.sb-body{min-width:0}
.sb-body>*:first-child{margin-top:0}
.sb-body p{margin:0 0 1.05em}
.sb-body h2{margin:52px 0 14px;font-family:var(--fh);font-weight:650;font-size:28px;line-height:1.25;letter-spacing:-.01em;scroll-margin-top:16px}
.sb-body h3{margin:32px 0 10px;font-family:var(--fh);font-weight:600;font-size:20px;line-height:1.3;scroll-margin-top:16px}
.sb-body h4{margin:24px 0 8px;font-size:17px}
.sb-body ul{margin:0 0 1.2em;padding-left:22px}
.sb-body li{margin:0 0 .4em}
.sb-body ol{margin:0 0 1.3em;padding:0;list-style:none;counter-reset:sb-step}
.sb-body ol>li{counter-increment:sb-step;position:relative;min-height:34px;margin:0 0 12px;padding-left:50px}
.sb-body ol>li::before{content:counter(sb-step,decimal-leading-zero);position:absolute;left:0;top:-2px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--ac);border-radius:8px;font-family:var(--mono);font-size:14px;color:var(--ac)}
.sb-body li>ol,.sb-body li>ul{margin-top:10px}
.sb-body blockquote{margin:0 0 1.3em;padding:16px 18px;border-radius:10px;background:var(--rail);color:var(--ink2)}
.sb-body blockquote p:last-child{margin-bottom:0}
.sb-body blockquote p:first-child:not(:last-child){margin-bottom:6px;font-family:var(--mono);font-size:15px;color:var(--ink)}
.sb-body code{padding:1px 5px;border-radius:4px;background:var(--rail);font-family:var(--mono);font-size:.9em}
.sb-body blockquote code{background:#fff}
.sb-body pre{margin:0 0 1.3em;padding:14px 16px;overflow-x:auto;border-radius:10px;background:var(--rail);font-size:14px}
.sb-body pre code{padding:0;background:none}
.sb-body hr{margin:40px 0;border:0;border-top:1px solid var(--line)}
.sb-body a{text-decoration-thickness:1px;text-underline-offset:2px}
.sb-body a[rel~="nofollow"]::after{content:"\2197";display:inline-block;margin-left:2px;font-size:.85em}
.sb-body strong{font-weight:600}
.sb-table{margin:0 0 1.4em;overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.sb-table table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.sb-table th{padding:12px 16px;background:var(--rail);text-align:left;font-weight:600;vertical-align:bottom}
.sb-table td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}
.sb-body .inline-figure{margin:0 0 1.4em}
.sb-body .inline-figure img{border-radius:10px}
.sb-body .inline-figure figcaption{margin-top:6px;font-size:14px;color:var(--mut)}

/* низ статьи */
.sb-rel{display:flex;flex-wrap:wrap;gap:28px;margin-top:8px;padding-top:20px;border-top:2px solid var(--ink)}
.sb-rel-a{flex:1 1 300px;display:flex;flex-direction:column;gap:4px}
.sb-rel-a .sb-k{margin-bottom:6px}
.sb-rel-row{display:flex;align-items:center;min-height:40px;padding:6px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:16px;line-height:1.4;text-decoration:none}
.sb-rel-row:hover{color:var(--ac)}
.sb-rel-b{flex:1 1 260px;display:flex;flex-direction:column;gap:10px}
.sb-rel-b .sb-chip{min-height:40px;padding:0 14px;font-size:15px}

/* «Recently checked» */
.sb-latest{display:flex;flex-direction:column;margin-top:12px}
.sb-latest .sb-k{margin-bottom:8px}
.sb-lrow{display:flex;align-items:baseline;gap:16px;padding:12px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}
.sb-lrow:hover .sb-ltitle{color:var(--ac)}
.sb-ldate{flex:0 0 100px;font-family:var(--mono);font-size:13px;color:var(--mut)}
.sb-ltitle{flex:1 1 auto;font-size:17px;line-height:1.4}
.sb-lpill{flex:0 0 auto;border:1px solid var(--chip);border-radius:999px;padding:2px 10px;font-family:var(--mono);font-size:12px;color:var(--ac);white-space:nowrap}

/* /services/ — каталог A–Z */
.sb-letters{display:flex;flex-wrap:wrap;gap:6px}
.sb-letters a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--chip);border-radius:8px;color:var(--ink);font-family:var(--mono);font-size:16px;text-decoration:none}
.sb-letters a:hover{border-color:var(--ac);color:var(--ac)}
.sb-lgroup{display:flex;gap:24px;padding-top:14px;border-top:2px solid var(--ink);scroll-margin-top:16px}
.sb-lbig{flex:0 0 56px;margin:0;font-family:var(--mono);font-size:34px;font-weight:400;line-height:1;color:var(--ac)}
.sb-lapps{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.sb-app{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 16px;padding:10px 0 12px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.sb-app:hover .sb-app-n{color:var(--ac)}
.sb-app-n{flex:0 0 150px;font-family:var(--fh);font-weight:600;font-size:18px}
.sb-app-t{flex:1 1 300px;font-size:16px;color:var(--mut)}
.sb-app-c{flex:0 0 auto;font-family:var(--mono);font-size:13px;color:var(--ac)}

/* /guides/ — строки и фильтр по ярлыкам (:target, без JS) */
.sb-f{display:block;height:0;scroll-margin-top:20px}
.sb-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.sb-fchip{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--chip);border-radius:999px;color:var(--ink);font-size:15px;text-decoration:none}
.sb-fchip:hover{border-color:var(--ac);color:var(--ac)}
.sb-fall{background:var(--ac);border-color:var(--ac);color:#fff}
.sb-f:not(#all):target~.sb-filter .sb-fall{background:none;border-color:var(--chip);color:var(--ink)}
#l-non-voip:target~.sb-rows .sb-grow:not([data-l="non-voip"]){display:none}
#l-non-voip:target~.sb-filter a[href="#l-non-voip"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-whatsapp:target~.sb-rows .sb-grow:not([data-l="whatsapp"]){display:none}
#l-whatsapp:target~.sb-filter a[href="#l-whatsapp"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-telegram:target~.sb-rows .sb-grow:not([data-l="telegram"]){display:none}
#l-telegram:target~.sb-filter a[href="#l-telegram"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-google:target~.sb-rows .sb-grow:not([data-l="google"]){display:none}
#l-google:target~.sb-filter a[href="#l-google"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-apple-id:target~.sb-rows .sb-grow:not([data-l="apple-id"]){display:none}
#l-apple-id:target~.sb-filter a[href="#l-apple-id"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-dating-apps:target~.sb-rows .sb-grow:not([data-l="dating-apps"]){display:none}
#l-dating-apps:target~.sb-filter a[href="#l-dating-apps"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-social-apps:target~.sb-rows .sb-grow:not([data-l="social-apps"]){display:none}
#l-social-apps:target~.sb-filter a[href="#l-social-apps"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-messaging:target~.sb-rows .sb-grow:not([data-l="messaging"]){display:none}
#l-messaging:target~.sb-filter a[href="#l-messaging"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-ai-tools:target~.sb-rows .sb-grow:not([data-l="ai-tools"]){display:none}
#l-ai-tools:target~.sb-filter a[href="#l-ai-tools"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-sign-ups:target~.sb-rows .sb-grow:not([data-l="sign-ups"]){display:none}
#l-sign-ups:target~.sb-filter a[href="#l-sign-ups"]{background:var(--ac);border-color:var(--ac);color:#fff}
#l-temporary-numbers:target~.sb-rows .sb-grow:not([data-l="temporary-numbers"]){display:none}
#l-temporary-numbers:target~.sb-filter a[href="#l-temporary-numbers"]{background:var(--ac);border-color:var(--ac);color:#fff}
.sb-rows{display:flex;flex-direction:column;border-top:2px solid var(--ink)}
.sb-grow{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 20px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.sb-grow:hover .sb-grow-t{color:var(--ac)}
.sb-grow-m{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:2px}
.sb-grow-t{font-family:var(--fh);font-weight:600;font-size:19px;line-height:1.35}
.sb-grow-d{font-size:16px;color:var(--mut)}
.sb-grow-s{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.sb-grow-s .sb-ldate{flex:none}

/* trust-страницы */
.sb-doc h2{margin-top:40px;font-size:26px}
.sb-pub{margin:0;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:13px;color:var(--mut)}

/* подвал: тёмный, 4 колонки */
.sb-foot{background:var(--foot);color:#E9E7F0}
.sb-footgrid{max-width:1280px;margin:0 auto;padding:44px 32px 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.sb-fcol{display:flex;flex-direction:column;gap:6px;font-size:14px}
.sb-fcol a{padding:2px 0;color:#E9E7F0;text-decoration:none}
.sb-fcol a:hover{color:#fff;text-decoration:underline}
.sb-fbrand{gap:10px}
.sb-fname{font-family:var(--fh);font-weight:600;font-size:18px}
.sb-fbrand p{margin:0;font-size:14px;line-height:1.55;color:#B9B5C8}
.sb-fh{margin-bottom:2px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#9A96AB}
.sb-legal{max-width:1280px;margin:0 auto;padding:16px 32px 28px;border-top:1px solid #2E2C37;font-size:13px;color:#9A96AB}

@media (max-width:1024px){
  .sb-rail{flex-basis:232px}
  .sb-main{padding:28px 36px 64px}
}
@media (max-width:760px){
  body{font-size:16px}
  .sb-headbar{padding:10px 16px;gap:10px}
  .sb-bname{font-size:18px}
  .sb-tag,.sb-az{display:none}
  .sb-secbtn{display:inline-flex;align-items:center;margin-left:auto;min-height:44px;padding:0 14px;border:1px solid var(--chip);border-radius:8px;background:var(--rail);color:var(--ink);font-family:var(--mono);font-size:13px;text-decoration:none}
  .sb-frame{flex-direction:column}
  .sb-main{order:1;padding:18px 16px 40px}
  .sb-rail{order:2;flex:none;border-right:0;border-top:1px solid var(--line);padding:24px 16px 32px}
  .sb-col{gap:20px}
  h1{font-size:30px;line-height:1.15}
  .sb-answer{padding:16px 16px 18px}
  .sb-answer p{font-size:17px}
  .sb-answer-home{gap:12px}
  .sb-answer-home .sb-mark{width:30px;height:30px}
  .sb-toc{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .sb-toc a{flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;padding:0 12px}
  .sb-body h2{margin-top:40px;font-size:23px}
  .sb-lrow{flex-wrap:wrap;gap:4px 12px}
  .sb-ltitle{flex-basis:100%;order:-1}
  .sb-ldate{flex-basis:auto}
  .sb-lgroup{gap:14px}
  .sb-lbig{flex-basis:36px;font-size:26px}
  .sb-app-n{flex-basis:100%}
  .sb-footgrid{grid-template-columns:repeat(2,minmax(0,1fr));padding:36px 16px 20px}
  .sb-fbrand{grid-column:1/-1}
  .sb-legal{padding:16px 16px 24px}
}
@media (max-width:420px){
  .sb-footgrid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{.sb-rail,.sb-foot,.sb-toc,.sb-rel,.sb-secbtn,.sb-skip{display:none}.sb-main{padding:0}}