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button.on .code{background:var(--accent)}.rd-lessons .lp-hero .acts{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.rd-lessons .lp-hero .acts .btn{height:52px;padding:0 24px;font-size:16px}.rd-lessons .lp-hero .stats{margin-top:26px}.rd-lessons .lphone{z-index:2;justify-self:center;position:relative}.rd-lessons .lphone .phone{width:320px;height:660px}.rd-lessons .ls{opacity:0;background:#050505;flex-direction:column;padding:56px 18px 18px;transition:opacity .45s;display:flex;position:absolute;inset:0}.rd-lessons .ls.on{opacity:1;z-index:2}.rd-lessons .ls-top{align-items:center;gap:10px;margin-bottom:18px;display:flex}.rd-lessons .ls-top .x{color:#aaa;background:#1b1b1b;border-radius:50%;place-items:center;width:30px;height:30px;font-size:13px;display:grid}.rd-lessons .ls-top .prog{background:#222;border-radius:99px;flex:1;height:8px;overflow:hidden}.rd-lessons .ls-top .prog i{background:var(--accent);height:100%;transition:width .6s var(--ease);border-radius:99px;display:block}.rd-lessons .ls-kind{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-size:11px;font-weight:700}.rd-lessons .ls h5{letter-spacing:-.02em;margin:6px 0 18px;font-size:22px;font-weight:600;line-height:1.2}.rd-lessons .play{background:var(--accent);color:#000;border-radius:50%;place-items:center;width:92px;height:92px;margin:10px auto 18px;font-size:30px;display:grid;position:relative}.rd-lessons .play:before,.rd-lessons .play:after{content:"";border:2px solid #f9f11880;border-radius:50%;animation:1.8s ease-out infinite ring;position:absolute;inset:-10px}.rd-lessons .play:after{animation-delay:.9s}.rd-lessons .wave2{justify-content:center;align-items:center;gap:3px;height:34px;margin-bottom:18px;display:flex}.rd-lessons .wave2 i{width:4px;height:6px;animation:1.1s ease-in-out infinite eq;animation-delay:calc(var(--i) * -.08s);background:#fff;border-radius:2px}.rd-lessons .pick{gap:8px;display:grid}.rd-lessons .pick span{background:#141414;border:1px solid #262626;border-radius:14px;padding:13px 14px;font-size:15px;transition:background .3s,border-color .3s,color .3s}.rd-lessons .pick span.ok{border-color:var(--green);background:#2fbf712e}.rd-lessons .pairs{grid-template-columns:1fr 1fr;gap:8px;display:grid}.rd-lessons .pairs span{text-align:center;background:#141414;border:1px solid #262626;border-radius:14px;padding:13px 10px;font-size:14px;transition:all .3s}.rd-lessons .pairs span.sel{border-color:var(--accent);background:#f9f1181f}.rd-lessons .pairs span.done{opacity:.25}.rd-lessons .ans2{border:2px dashed #333;border-radius:14px;flex-wrap:wrap;align-items:center;gap:6px;min-height:54px;padding:8px;transition:border-color .3s;display:flex}.rd-lessons .ans2.ok{border:2px solid var(--green)}.rd-lessons .pool2{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.rd-lessons .tile2{color:#000;animation:pop .3s var(--ease);background:#fff;border-radius:10px;padding:8px 12px;font-size:15px;font-weight:600}.rd-lessons .dlg{gap:8px;display:grid}.rd-lessons .dlg div{opacity:0;max-width:86%;transition:.4s var(--ease);border-radius:16px;padding:11px 13px;font-size:14.5px;line-height:1.4;transform:translateY(8px)}.rd-lessons .dlg div.show{opacity:1;transform:none}.rd-lessons .dlg .a{background:#1b1b1b}.rd-lessons .dlg .b{background:var(--accent);color:#000;justify-self:end}.rd-lessons .dlg .b.gap{border:2px dashed var(--accent);color:var(--accent);background:0 0}.rd-lessons .ls .bottom{background:var(--accent);color:#000;border-radius:999px;place-items:center;height:50px;margin-top:auto;font-weight:700;display:grid}.rd-lessons .ls-tabs{z-index:4;box-shadow:var(--shadow-lg);background:#fff;border-radius:999px;gap:6px;padding:6px;display:flex;position:absolute;bottom:-26px;left:50%;transform:translate(-50%)}.rd-lessons .ls-tabs button{height:36px;color:var(--muted-strong);border-radius:999px;padding:0 12px;font-size:13px;font-weight:600}.rd-lessons .ls-tabs button.on{color:#fff;background:#000}.rd-lessons .ex-tag{z-index:4;color:#fff;background:#000;border-radius:10px;padding:6px 10px;font-size:12px;font-weight:600;position:absolute;top:-12px;right:-16px;transform:rotate(4deg)}.rd-lessons .acts7{grid-template-columns:repeat(7,1fr);gap:12px;margin-top:44px;display:grid}.rd-lessons .a7{border:1px solid var(--line-soft);box-shadow:var(--shadow);transition:transform .3s var(--ease);background:#fff;border-radius:24px;padding:20px 16px}.rd-lessons .a7:hover{transform:translateY(-4px)rotate(-1deg)}.rd-lessons .a7 i{border-radius:13px;place-items:center;width:44px;height:44px;margin-bottom:14px;font-size:20px;font-style:normal;display:grid}.rd-lessons .a7 b{font-size:16px;font-weight:600;display:block}.rd-lessons .a7 p{color:var(--muted);margin-top:4px;font-size:13.5px;line-height:1.45}.rd-lessons .path-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px;display:flex}.rd-lessons .path-head h2{margin:10px 0 0}.rd-lessons .legend{color:var(--muted-strong);gap:14px;font-size:14px;font-weight:500;display:flex}.rd-lessons .legend span{align-items:center;gap:6px;display:inline-flex}.rd-lessons .badge{letter-spacing:.08em;border-radius:7px;padding:4px 8px;font-size:11px;font-weight:700}.rd-lessons .badge.free{background:var(--strict-c);color:#0a4d16}.rd-lessons .badge.pro{color:var(--accent);background:#000}.rd-lessons .sec{margin-top:38px}.rd-lessons .sec-h{align-items:center;gap:14px;margin-bottom:14px;display:flex}.rd-lessons .sec-h b{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:13px;font-weight:700}.rd-lessons .sec-h:after{content:"";background:var(--line);flex:1;height:1px}.rd-lessons .chs{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.rd-lessons .ch{border:1px solid var(--line-soft);box-shadow:var(--shadow);text-align:left;transition:transform .3s var(--ease), box-shadow .3s, border-color .3s;animation:rise .5s var(--ease) both;background:#fff;border-radius:24px;grid-template-columns:112px 1fr;gap:14px;padding:12px;display:grid;position:relative}.rd-lessons .ch:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.rd-lessons .ch.on{box-shadow:0 0 0 2px #000, var(--shadow-lg);border-color:#000}.rd-lessons .ch .img{background:var(--soft);border-radius:18px;width:112px;height:112px;position:relative;overflow:hidden}.rd-lessons .ch .img img{object-fit:cover;width:100%;height:100%}.rd-lessons .ch .img .n{background:#fff;border-radius:9px;place-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:grid;position:absolute;top:8px;left:8px}.rd-lessons .ch b{letter-spacing:-.01em;margin-top:2px;font-size:17px;font-weight:600;line-height:1.2;display:block}.rd-lessons .ch p{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:5px;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.rd-lessons .ch .m{color:var(--muted-strong);flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;font-size:12.5px;font-weight:500;display:flex}.rd-lessons .scrim{z-index:80;opacity:0;pointer-events:none;background:#00000059;transition:opacity .3s;position:fixed;inset:0}.rd-lessons .scrim.on{opacity:1;pointer-events:auto}.rd-lessons .drawer{z-index:81;width:440px;max-width:calc(100vw - 24px);box-shadow:var(--shadow-lg);transition:transform .45s var(--ease);background:#fff;border-radius:30px;flex-direction:column;display:flex;position:fixed;top:12px;bottom:12px;right:12px;overflow:hidden;transform:translate(110%)}.rd-lessons .drawer.on{transform:none}.rd-lessons .dr-img{background:var(--soft);flex:none;height:210px;position:relative}.rd-lessons .dr-img img{object-fit:cover;width:100%;height:100%}.rd-lessons .dr-img .close{width:40px;height:40px;box-shadow:var(--shadow);background:#fff;border-radius:50%;font-size:16px;position:absolute;top:14px;right:14px}.rd-lessons .dr-body{flex:1;padding:22px 24px;overflow:auto}.rd-lessons .dr-body h3{letter-spacing:-.02em;font-size:26px;font-weight:600;line-height:1.1}.rd-lessons .dr-body .desc{color:var(--muted-strong);margin-top:8px;line-height:1.5}.rd-lessons .dr-body .m{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.rd-lessons .dr-body .m span{background:var(--soft);border-radius:999px;padding:6px 10px;font-size:13px;font-weight:600}.rd-lessons .topics2{counter-reset:t;gap:6px;margin:20px 0 0;padding:0;list-style:none;display:grid}.rd-lessons .topics2 li{counter-increment:t;background:var(--bg);border-radius:14px;align-items:center;gap:12px;padding:11px 12px;font-size:15px;font-weight:500;display:flex}.rd-lessons .topics2 li:before{content:counter(t, decimal-leading-zero);color:var(--muted);width:22px;font-size:12px;font-weight:700}.rd-lessons .dr-foot{border-top:1px solid var(--line-soft);gap:8px;padding:16px 24px 22px;display:grid}.rd-lessons .dr-foot .btn{height:50px}.rd-lessons .bridge{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;display:grid;position:relative}.rd-lessons .bridge:before{content:"";opacity:.25;background:repeating-linear-gradient(90deg,#000 0 10px,#0000 10px 18px);height:3px;position:absolute;top:54px;left:16%;right:16%}.rd-lessons .bstep{border:1px solid var(--line-soft);box-shadow:var(--shadow);background:#fff;border-radius:30px;padding:26px;position:relative}.rd-lessons .bstep .num2{background:var(--accent);border-radius:18px;place-items:center;width:56px;height:56px;font-size:22px;font-weight:700;display:grid;position:relative}.rd-lessons .bstep:nth-child(2) .num2{color:var(--accent);background:#000}.rd-lessons .bstep h3{letter-spacing:-.02em;margin-top:18px;font-size:22px;font-weight:600}.rd-lessons .bstep p{color:var(--muted-strong);margin-top:8px;font-size:15px;line-height:1.5}.rd-lessons .bmini{background:var(--soft);border-radius:18px;align-items:center;gap:12px;margin-top:18px;padding:14px;font-size:14px;display:flex}.rd-lessons .bmini img{object-fit:cover;object-position:center 15%;border-radius:14px;width:52px;height:52px}.rd-lessons .bmini b{font-size:15px;display:block}.rd-lessons .bmini .fix2 em{background:var(--accent);border-radius:4px;padding:0 4px;font-style:normal;font-weight:600}.rd-lessons .bmini .fix2 s{color:var(--red)}.rd-lessons .bridge-links{flex-wrap:wrap;justify-content:center;gap:18px;margin-top:22px;font-size:15px;font-weight:600;display:flex}.rd-lessons .bridge-links a{border-bottom:2px solid var(--accent-edge)}.rd-lessons .rv3{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;display:grid}.rd-lessons .rv3 .rv{width:auto}@media (max-width:1180px){.rd-lessons .acts7{grid-template-columns:repeat(4,1fr)}.rd-lessons .chs{grid-template-columns:repeat(2,1fr)}}@media (max-width:980px){.rd-lessons .lp-hero .panel{grid-template-columns:1fr;padding-bottom:70px}.rd-lessons .bridge,.rd-lessons .rv3{grid-template-columns:1fr}.rd-lessons .bridge:before{display:none}}@media (max-width:760px){.rd-lessons .lp-hero h1{font-size:42px}.rd-lessons .lp-langs{scrollbar-width:none;flex-wrap:nowrap;margin-inline:-18px;padding:2px 18px;overflow-x:auto}.rd-lessons .lp-langs button{flex:none}.rd-lessons .lphone .phone{transform-origin:top;margin-bottom:-92px;transform:scale(.86)}.rd-lessons .ls-tabs{bottom:-18px}.rd-lessons .ls-tabs button{padding:0 9px;font-size:12px}.rd-lessons .acts7{grid-template-columns:1fr 1fr;gap:10px}.rd-lessons .a7{border-radius:20px;padding:16px 14px}.rd-lessons .chs{grid-template-columns:1fr}.rd-lessons .ch{grid-template-columns:88px 1fr}.rd-lessons .ch .img{width:88px;height:88px}.rd-lessons .drawer{width:auto;max-height:86vh;inset:auto 8px 8px;transform:translateY(110%)}.rd-lessons .dr-img{height:150px}}.rd-lessons .qh{margin-left:0;font-size:46px}.rd-lessons .drawer:not(.on){visibility:hidden;transition:transform .45s var(--ease), visibility 0s .45s}@media (max-width:760px){.rd-lessons .qh{font-size:30px}.rd-lessons .lp-hero .panel.mhero{padding-bottom:22px}.rd-lessons .lp-hero .panel.mhero h1{font-size:38px}.rd-lessons .lp-hero .stats,.rd-lessons .lp-hero .acts .btn.dark{display:none}.rd-lessons .lp-hero .acts{margin-top:12px}.rd-lessons .lp-hero .acts .btn{text-underline-offset:3px;background:0 0;border:0;height:auto;padding:0;font-size:14px;text-decoration:underline}.rd-lessons .lp-hero .picker-label{color:#000000b3;margin:18px 0 8px;font-size:14px;font-weight:500}.rd-lessons .lp-hero .lphone.mh-visual{justify-self:auto;width:auto;height:clamp(200px,100svh - 392px,330px);margin:14px -16px 0;position:relative;overflow:hidden}.rd-lessons .lp-hero .lphone.mh-visual .phone{transform-origin:top;margin:0;position:absolute;top:14px;left:50%;transform:translate(-50%)scale(.66)}.rd-lessons .lp-hero .lphone.mh-visual .ex-tag{top:6px;right:calc(50% - 128px)}}@media (max-width:380px){.rd-lessons .lp-hero .panel.mhero h1{font-size:34px}.rd-lessons .lp-hero .lphone.mh-visual .phone{transform:translate(-50%)scale(.6)}.rd-lessons .lp-hero .lphone.mh-visual .ex-tag{right:calc(50% - 116px)}}.rd-lessons .bmini>div{text-wrap:balance}