:root{--ink:#17131f;--ink2:#2d2835;--paper:#fbfaff;--white:#fff;--accent:#6c4cff;--accent2:#8a72ff;--lime:#d8ff72;--coral:#ff7d6b;--sky:#dff3ff;--soft:#f1eef8;--line:#dcd6e8;--muted:#6c6578;--shadow:0 18px 55px rgba(39,24,74,.12);--shadow2:0 12px 30px rgba(39,24,74,.09);--radius:24px;--radius-sm:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{width:min(900px,calc(100% - 40px))}a{color:inherit}.top{position:sticky;top:0;z-index:40;background:rgba(251,250,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid 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9px;border-radius:999px;background:#fff;border:1px solid #e1dcea;font-size:12px;font-weight:800}.task-flow{display:grid;grid-template-columns:1fr;gap:7px}.task-flow>div{display:flex;align-items:center;gap:12px;padding:10px 3px}.task-flow b{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#eee9ff;color:var(--accent);font-size:12px}.task-flow span{display:flex;flex-direction:column}.task-flow strong{font-size:14px}.task-flow small{color:var(--muted)}.card-action{margin-top:15px;width:100%;justify-content:space-between;padding:14px 16px;border-radius:15px;background:var(--ink);color:#fff}.card-action:hover{background:#30283a;transform:translateY(-1px)}.quick-strip{background:var(--ink);color:#fff}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr)}.quick-grid>div{display:grid;grid-template-columns:auto 1fr;column-gap:13px;padding:22px 28px;border-right:1px solid 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p{position:relative;z-index:2;color:var(--muted);margin:0;line-height:1.5}.subjects-section{background:#eeeaff;position:relative;overflow:hidden}.subjects-section:after{content:"Р";position:absolute;font-size:420px;line-height:1;font-weight:950;color:rgba(255,255,255,.34);right:-70px;bottom:-150px;pointer-events:none}.subjects-section .wrap{position:relative;z-index:2}.pills{display:flex;gap:11px;flex-wrap:wrap}.pills a{display:flex;align-items:center;gap:12px;border:1px solid #d7cfee;padding:11px 13px 11px 16px;background:rgba(255,255,255,.9);text-decoration:none;font-weight:780;border-radius:999px;transition:.18s}.pills a b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px}.pills a:hover{transform:translateY(-2px);background:#fff;box-shadow:0 8px 20px rgba(39,24,74,.08)}.useful-section{background:#fff}.legacy-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.legacy-list a{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:13px;border:1px solid var(--line);padding:17px 18px;border-radius:17px;text-decoration:none;transition:.18s}.legacy-list a:hover{border-color:#bdb2d2;background:#faf8ff;transform:translateY(-2px)}.legacy-list span{font-size:11px;font-weight:900;color:#9a91a7}.legacy-list strong{line-height:1.3}.legacy-list b{font-size:18px}.cities-section{background:#f7f5fb}.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.city-grid a{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);padding:16px 46px 16px 17px;background:#fff;text-decoration:none;border-radius:16px;transition:.18s}.city-grid a:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(39,24,74,.08)}.city-grid span{color:var(--muted);font-size:12px;margin-top:2px}.city-grid 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auto}.error-actions{justify-content:center}.page-final{background:#fff}footer{background:#17131f;color:#fff;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:55px}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.footer-grid p{max-width:440px;color:#aaa1b6}.footer-grid a{text-decoration:none;color:#e8e2ef}.footer-grid a:hover{color:#fff}.footer-grid strong{margin-bottom:5px}.footer-brand{color:#fff}.footer-brand .brand-mark{box-shadow:none}.footer-brand .brand-word{font-size:25px}.socials{display:flex;gap:8px;flex-wrap:wrap;margin-top:5px}.socials a{padding:7px 9px;border-radius:9px;background:#292231;font-size:12px;font-weight:800}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #332c3c;margin-top:38px;padding-top:18px;color:#8e8599;font-size:12px}.lead-modal{position:fixed;inset:0;background:rgba(19,14,29,.72);backdrop-filter:blur(10px);z-index:100;display:none;place-items:center;padding:18px}.lead-modal.open{display:grid}.lead-card{position:relative;background:#fff;border:1px solid var(--line);box-shadow:0 30px 90px rgba(13,7,24,.3);width:min(760px,100%);max-height:92vh;overflow:auto;padding:34px;border-radius:28px}.lead-badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:#f0ebff;color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:900}.lead-card h2{font-size:40px;line-height:1.04;letter-spacing:-.04em;margin:13px 48px 8px 0}.lead-intro{color:var(--muted);margin:0 0 22px;max-width:620px}.lead-close{position:absolute;right:16px;top:15px;border:0;background:#f0edf4;width:38px;height:38px;border-radius:50%;font-size:26px;line-height:1;cursor:pointer;color:var(--ink)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-grid label{font-size:12px;font-weight:850;display:flex;flex-direction:column;gap:6px;color:#514a5d}.form-grid .wide{grid-column:1/-1}.form-grid input,.form-grid textarea,.form-grid select{width:100%;border:1px solid #d8d1e3;background:#fbfaff;border-radius:13px;padding:13px 14px;font:inherit;color:var(--ink);outline:none;transition:.16s}.form-grid textarea{resize:vertical;min-height:112px}.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(108,76,255,.1);background:#fff}.form-grid input.invalid,.form-grid select.invalid{border-color:#d94c43;box-shadow:0 0 0 4px rgba(217,76,67,.09)}.lead-card .submit-btn{margin-top:16px;width:100%;justify-content:space-between}.privacy-note{font-size:11px;color:#91889e;text-align:center;margin-top:11px}.form-status{margin-top:10px;font-weight:800;text-align:center}.form-status.ok{color:#247a3e}.form-status.err{color:#b42a21}.floating-lead{position:fixed;right:22px;bottom:22px;z-index:35;display:flex;align-items:center;gap:9px;border:0;border-radius:999px;background:var(--ink);color:#fff;padding:12px 16px;font:inherit;font-weight:850;box-shadow:0 14px 38px rgba(23,19,31,.25);cursor:pointer}.floating-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(216,255,114,.15)}@media(max-width:980px){.nav nav{display:none}.header-phone{display:none}.nav-side{margin-left:auto}.hero{padding:62px 0}.hero-grid,.content-grid{grid-template-columns:1fr;gap:40px}.hero-main{max-width:760px}.task-card{max-width:650px;transform:none}.cards{grid-template-columns:1fr 1fr}.city-grid{grid-template-columns:1fr 1fr}.sticky-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.quick-grid>div{padding:19px 16px}}@media(max-width:640px){.wrap,.narrow{width:min(100% - 24px,1180px)}.nav{min-height:66px}.brand-mark{width:34px;height:34px;border-radius:10px;font-size:19px}.brand-word{font-size:23px}.cta{font-size:12px;padding:10px 12px;border-radius:12px}.hero{padding:48px 0 44px}.hero h1,.page-hero h1{font-size:43px;line-height:.98}.hero-copy{font-size:17px}.hero-actions{display:grid;grid-template-columns:1fr;margin:25px 0 22px}.hero-actions>*{width:100%}.big-btn,.ghost-btn{min-height:54px}.trust-row{gap:9px 13px;font-size:12px}.task-card{padding:18px;border-radius:22px}.task-card:before{display:none}.task-card-head strong{font-size:18px}.online-pill{font-size:10px}.task-example p{font-size:15px}.quick-grid{grid-template-columns:1fr}.quick-grid>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding:15px 4px}.quick-grid>div:last-child{border-bottom:0}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-head>p{margin-top:12px}.section h2{font-size:36px}.cards,.city-grid,.legacy-list,.form-grid{grid-template-columns:1fr}.card{min-height:190px}.card h3{margin-top:28px}.subjects-section:after{font-size:260px}.legacy-list a{grid-template-columns:26px 1fr auto}.final{padding-bottom:66px}.final-box{padding:28px 22px;border-radius:24px;align-items:flex-start;flex-direction:column}.final-box:after{display:none}.final-box .big-btn{width:100%}.page-hero{padding:48px 0}.breadcrumbs{margin-bottom:22px}.article{font-size:16px}.article>p:first-child{font-size:18px}.article h2{font-size:29px}.article h3{font-size:22px}.lead-modal{padding:0}.lead-card{width:100%;max-height:100dvh;height:100dvh;border-radius:0;padding:24px 16px 18px}.lead-card h2{font-size:34px;margin-right:45px}.form-grid .wide{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.floating-lead{left:12px;right:12px;bottom:12px;justify-content:center;padding:13px 16px}.error-code{font-size:88px}.error-page h1{font-size:38px}.error-actions{display:grid}.error-actions>*{width:100%}}
.nav nav,.nav-side{flex-shrink:0}.task-card{width:100%}.legacy-content *{max-width:100%}.legacy-content font{font:inherit!important;color:inherit!important}.legacy-content center{text-align:left}.legacy-content pre{overflow:auto;white-space:pre-wrap}.legacy-content td,.legacy-content th{word-break:normal;overflow-wrap:anywhere}@media(max-width:1120px){.header-phone{display:none}}@media(max-width:640px){.hero-grid{display:flex;flex-direction:column;align-items:stretch}.task-card{max-width:none}.quick-grid{display:block}.cards,.city-grid,.legacy-list{display:grid;grid-template-columns:minmax(0,1fr)}.section-head{display:flex;flex-direction:column;align-items:flex-start}.form-grid{display:grid;grid-template-columns:minmax(0,1fr)}.footer-grid{display:grid;grid-template-columns:minmax(0,1fr)}}
/* StudentSOS integration */
.studentsos-section{padding:70px 0;background:linear-gradient(135deg,#17131f 0%,#241a3d 55%,#372568 100%);color:#fff;overflow:hidden;position:relative}.studentsos-section:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(216,255,114,.11);right:-170px;top:-240px}.studentsos-shell{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(380px,1.1fr);gap:46px;align-items:center}.studentsos-kicker{display:inline-flex;align-items:center;gap:8px;color:#d8ff72;font-weight:900;font-size:13px;letter-spacing:.02em;margin-bottom:16px}.studentsos-spark{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#d8ff72;color:#17131f}.studentsos-copy h2{font-size:clamp(38px,4.5vw,58px);line-height:1;letter-spacing:-.045em;margin:0 0 18px}.studentsos-copy h2 span{color:#d8ff72}.studentsos-copy>p{font-size:18px;line-height:1.58;color:#cbc3d8;max-width:640px;margin:0}.studentsos-points{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0}.studentsos-points span{border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.07);border-radius:999px;padding:8px 11px;font-size:12px;font-weight:800}.studentsos-link{display:inline-flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:900;border-bottom:1px solid rgba(216,255,114,.55);padding-bottom:3px}.studentsos-link b{color:#d8ff72}.studentsos-widget-wrap{background:#fff;color:#17131f;border-radius:26px;padding:17px;box-shadow:0 30px 80px rgba(0,0,0,.28);min-height:300px}.studentsos-widget-head{display:flex;align-items:center;gap:11px;padding:3px 4px 15px;border-bottom:1px solid #eee8f5}.studentsos-orb{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#6c4cff;color:#fff;font-weight:950}.studentsos-widget-head div{display:flex;flex-direction:column}.studentsos-widget-head strong{font-size:15px}.studentsos-widget-head small{color:#7d7488}.studentsos-online{margin-left:auto;background:#effbd4;color:#58751a;border-radius:999px;padding:5px 8px;font-size:10px;font-weight:900;text-transform:uppercase}.studentsos-widget-body{padding-top:14px;min-height:220px}.studentsos-widget-body iframe{max-width:100%;border-radius:16px}@media(max-width:900px){.studentsos-shell{grid-template-columns:1fr}.studentsos-widget-wrap{min-height:260px}}@media(max-width:640px){.studentsos-section{padding:52px 0}.studentsos-copy h2{font-size:38px}.studentsos-copy>p{font-size:16px}.studentsos-points{gap:7px}.studentsos-widget-wrap{padding:12px;border-radius:20px}.studentsos-widget-head{padding-bottom:12px}}
/* v1.4 rich landing pages */
.page-fastfacts{background:#17131f;color:#fff}.page-fastfacts-grid{display:grid;grid-template-columns:repeat(4,1fr)}.page-fastfacts-grid>div{padding:23px 22px;border-right:1px solid rgba(255,255,255,.1);display:grid;gap:4px}.page-fastfacts-grid>div:last-child{border-right:0}.page-fastfacts b{font-size:11px;color:var(--lime);letter-spacing:.08em}.page-fastfacts strong{font-size:16px}.page-fastfacts span{font-size:12px;color:#aaa2b5}.feature-grid{display:grid;gap:14px}.feature-grid.four{grid-template-columns:repeat(4,1fr)}.feature-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;min-height:180px}.feature-card>span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#f0ebff;color:var(--accent);font-size:11px;font-weight:950}.feature-card h3{font-size:21px;margin:34px 0 7px}.feature-card p{color:var(--muted);margin:0}.soft-section{background:#f8f6fb}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.format-card{display:flex;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:17px}.format-card span{font-size:11px;color:#948a9f;font-weight:900}.format-card strong{font-size:16px}.article-premium{background:#fff;border:1px solid var(--line);border-radius:26px;padding:34px}.article-premium>.eyebrow{margin-bottom:15px}.premium-sticky{border-radius:24px}.dark-detail{background:#17131f;color:#fff;position:relative;overflow:hidden}.dark-detail:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-170px;top:-180px;background:rgba(216,255,114,.08)}.light-head{position:relative;z-index:1}.light-head h2{color:#fff}.light-head p{color:#aaa2b5}.result-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.result-grid>div{min-height:140px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.055);border-radius:18px;padding:20px;display:flex;flex-direction:column;justify-content:space-between}.result-grid span{font-size:11px;color:var(--lime);font-weight:900}.result-grid strong{font-size:19px;max-width:230px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:22px;overflow:hidden}.timeline>div{padding:25px;border-right:1px solid var(--line);min-height:220px;background:#fff}.timeline>div:last-child{border-right:0}.timeline b{display:grid;place-items:center;width:38px;height:38px;background:var(--ink);color:#fff;border-radius:12px}.timeline h3{font-size:21px;margin:42px 0 8px}.timeline p{color:var(--muted);margin:0}.price-section{background:#ede9f6}.price-shell{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.price-shell h2{max-width:550px}.price-shell>div:first-child>p{font-size:17px;color:var(--muted);max-width:560px}.price-factors{display:grid;grid-template-columns:1fr 1fr;gap:12px}.price-factors>div{background:#fff;border:1px solid #ded7e9;border-radius:17px;padding:20px;min-height:130px}.price-factors strong{display:block;font-size:18px;margin-bottom:9px}.price-factors span{color:var(--muted);font-size:14px}.example-cloud{display:flex;flex-wrap:wrap;gap:10px}.example-cloud span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 16px;font-weight:800}.correction-section{padding-top:25px}.correction-box{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;background:#e8ffad;border:1px solid #cbe17e;border-radius:25px;padding:26px 28px}.correction-mark{display:grid;place-items:center;width:62px;height:62px;border-radius:18px;background:#17131f;color:#d8ff72;font-size:31px}.correction-box h2{font-size:32px;margin:4px 0 8px}.correction-box p{margin:0;max-width:780px;color:#4e5835}.mini-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.mini-service-grid a{display:flex;justify-content:space-between;align-items:center;gap:16px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;font-weight:850}.mini-service-grid a:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(25,17,35,.07)}.compact-cities{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.page-fastfacts-grid{grid-template-columns:1fr 1fr}.page-fastfacts-grid>div:nth-child(2){border-right:0}.feature-grid.four,.timeline{grid-template-columns:1fr 1fr}.format-grid,.result-grid{grid-template-columns:1fr 1fr}.timeline>div{border-bottom:1px solid var(--line)}.timeline>div:nth-child(2){border-right:0}.price-shell{grid-template-columns:1fr}.compact-cities{grid-template-columns:1fr 1fr}.mini-service-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.page-fastfacts-grid{grid-template-columns:1fr}.page-fastfacts-grid>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 12px}.page-fastfacts-grid>div:last-child{border-bottom:0}.feature-grid.four,.format-grid,.result-grid,.timeline,.price-factors,.mini-service-grid,.compact-cities{grid-template-columns:1fr}.feature-card{min-height:145px}.feature-card h3{margin-top:25px}.article-premium{padding:22px 18px;border-radius:20px}.timeline>div{border-right:0;min-height:auto}.timeline h3{margin-top:25px}.price-shell{gap:25px}.correction-box{grid-template-columns:1fr;padding:22px}.correction-box .ghost-btn{width:100%}.correction-box h2{font-size:28px}.result-grid>div{min-height:115px}}
/* v1.5 legacy library */
.section-link{display:inline-flex;margin-top:12px;color:var(--accent);font-weight:900;text-decoration:none}.section-link:hover{text-decoration:underline}.materials-hero{padding:82px 0 68px;background:radial-gradient(circle at 85% 15%,rgba(216,255,114,.55),transparent 28%),linear-gradient(145deg,#f9f7ff,#ece7ff);overflow:hidden}.materials-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:58px;align-items:center}.materials-hero h1{font-size:clamp(48px,6vw,78px);line-height:.96;letter-spacing:-.055em;margin:0 0 24px;max-width:900px}.materials-hero h1 em{font-style:normal;color:var(--accent)}.materials-hero p{font-size:19px;max-width:760px;color:#585064}.materials-stat-card{background:#17131f;color:#fff;border-radius:30px;padding:30px;box-shadow:var(--shadow);transform:rotate(1deg)}.materials-stat-card strong{display:block;font-size:74px;line-height:.95;letter-spacing:-.06em;color:var(--lime);margin:12px 0}.materials-stat-card p{color:#bfb6cb;font-size:15px}.materials-stat-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.materials-stat-pills span{border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}.materials-topics{border-top:1px solid #dfd8ef;border-bottom:1px solid #dfd8ef;background:#fff}.materials-topics .wrap{display:flex;gap:10px;overflow:auto;padding-top:14px;padding-bottom:14px;scrollbar-width:none}.materials-topics a{white-space:nowrap;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800;background:#faf9fd}.materials-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.material-card{display:flex;flex-direction:column;min-height:280px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:21px;text-decoration:none;transition:.2s;overflow:hidden}.material-card:hover{transform:translateY(-4px);border-color:#c8bddc;box-shadow:var(--shadow2)}.material-card-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.material-kind{display:inline-flex;border-radius:999px;padding:6px 9px;background:#f1edff;color:#6044df;font-size:10px;font-weight:950;text-transform:uppercase;letter-spacing:.06em}.material-kind.calculator{background:#ecffd0;color:#567315}.material-kind.problem{background:#e7f3ff;color:#315f8c}.material-arrow{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#f4f1f8}.material-card h3{font-size:22px;line-height:1.12;letter-spacing:-.025em;margin:28px 0 12px}.material-card p{color:var(--muted);margin:0 0 20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.material-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:15px;border-top:1px solid #eeeaf3;font-size:12px}.material-meta span{color:#746c7e}.material-meta b{color:var(--accent)}.home-materials{grid-template-columns:repeat(4,minmax(0,1fr))}.home-materials .material-card{min-height:260px}.home-materials .material-card h3{font-size:19px}.materials-cta{display:flex;justify-content:space-between;gap:35px;align-items:center}.materials-cta h2{max-width:760px}.materials-cta p{color:var(--muted)}
.legacy-new-hero{padding:58px 0 54px;background:radial-gradient(circle at 82% 10%,rgba(216,255,114,.5),transparent 30%),linear-gradient(180deg,#faf8ff,#f2edff)}.legacy-new-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:50px;align-items:center}.legacy-new-hero h1{font-size:clamp(40px,5.2vw,68px);line-height:1.01;letter-spacing:-.045em;margin:18px 0 20px;max-width:950px}.legacy-badges{display:flex;gap:8px;flex-wrap:wrap}.legacy-badge{display:inline-flex;align-items:center;border:1px solid #d8d0e8;background:rgba(255,255,255,.72);border-radius:999px;padding:7px 10px;font-size:11px;font-weight:850}.legacy-badge.primary{background:#17131f;color:#fff;border-color:#17131f}.legacy-note-card{background:#fff;border:1px solid #dcd5e7;border-radius:24px;padding:24px;box-shadow:var(--shadow2)}.legacy-note-card strong{display:block;font-size:24px;line-height:1.12;margin:8px 0}.legacy-note-card p{color:var(--muted)}.legacy-note-card a{display:flex;justify-content:space-between;text-decoration:none;font-weight:900;color:var(--accent);padding-top:14px;border-top:1px solid #eeeaf3}.legacy-reading{padding:56px 0 36px}.legacy-reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}.legacy-article-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:36px;box-shadow:0 12px 40px rgba(39,24,74,.06)}.legacy-article-card>*:first-child{margin-top:0}.legacy-article-card>*:last-child{margin-bottom:0}.legacy-content{font-size:17px;line-height:1.72}.legacy-content p{margin:0 0 1.15em}.legacy-content h2,.legacy-content h3{margin-top:1.65em;letter-spacing:-.02em}.legacy-content h2{font-size:30px}.legacy-content h3{font-size:23px}.legacy-content img{height:auto;max-width:100%;border-radius:12px}.legacy-content table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.legacy-content td,.legacy-content th{padding:9px 11px;border:1px solid #e1dbe9}.legacy-content ul,.legacy-content ol{padding-left:24px}.legacy-content a{color:#5f43df;text-decoration-thickness:1px;text-underline-offset:2px}.legacy-aside{position:sticky;top:100px;display:grid;gap:14px}.legacy-side-card{background:#fff;border:1px solid var(--line);border-radius:21px;padding:21px}.legacy-side-card strong{display:block;font-size:21px;line-height:1.15;margin:7px 0}.legacy-side-card p{color:var(--muted);font-size:14px}.legacy-side-card.accent{background:#17131f;color:#fff}.legacy-side-card.accent p{color:#bdb5c8}.legacy-side-card .big-btn{width:100%;margin-top:8px}.side-link{display:flex;justify-content:space-between;text-decoration:none;color:var(--accent);font-weight:900;padding-top:13px;border-top:1px solid #eeeaf3}.legacy-related{padding-top:45px}.materials-grid.compact .material-card{min-height:220px}.materials-grid.compact .material-card h3{font-size:19px}.materials-grid.compact .material-card p{display:none}
@media(max-width:1000px){.materials-hero-grid,.legacy-new-grid{grid-template-columns:1fr}.materials-stat-card{max-width:560px;transform:none}.home-materials{grid-template-columns:repeat(2,minmax(0,1fr))}.legacy-reading-grid{grid-template-columns:1fr}.legacy-aside{position:static;grid-template-columns:1fr 1fr}.materials-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.materials-hero{padding:52px 0 45px}.materials-hero h1{font-size:44px}.materials-stat-card strong{font-size:58px}.materials-grid,.home-materials{grid-template-columns:1fr}.material-card{min-height:225px}.legacy-new-hero{padding:40px 0}.legacy-new-hero h1{font-size:38px}.legacy-reading{padding-top:30px}.legacy-article-card{padding:22px 18px;border-radius:20px}.legacy-content{font-size:16px}.legacy-aside{grid-template-columns:1fr}.materials-cta{align-items:flex-start;flex-direction:column}.materials-cta .big-btn{width:100%}}
.all-cities-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.all-cities-grid a{display:grid;grid-template-columns:1fr auto;gap:4px 12px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:17px;text-decoration:none;transition:.18s}.all-cities-grid a:hover{transform:translateY(-2px);border-color:#c6badb;box-shadow:0 10px 26px rgba(39,24,74,.07)}.all-cities-grid strong{font-size:16px}.all-cities-grid span{grid-column:1;color:var(--muted);font-size:12px}.all-cities-grid b{grid-column:2;grid-row:1/3;align-self:center;color:var(--accent)}@media(max-width:900px){.all-cities-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.all-cities-grid{grid-template-columns:1fr}}
.library-pagination{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:32px}.library-pagination a,.library-pagination span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;text-decoration:none;font-weight:800;font-size:13px}.library-pagination span{color:var(--muted);font-weight:700}@media(max-width:520px){.library-pagination{flex-wrap:wrap}.library-pagination span{order:3;width:100%;text-align:center}}

/* v1.6 lead forms + legacy cleanup */
.lead-form-shell{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow2)}
.lead-form-heading h2{font-size:30px;line-height:1.06;letter-spacing:-.035em;margin:6px 0 8px}.lead-form-heading p{color:var(--muted);margin:0 0 18px}
.lead-card .lead-form-shell{border:0;padding:0;box-shadow:none}.lead-card .lead-form-heading h2{font-size:38px;margin-right:48px}.lead-card .lead-form-heading p{max-width:620px}
.work-picker{margin:0 0 14px}.work-picker-label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--muted);margin-bottom:8px}.work-popular-chips{display:flex;flex-wrap:wrap;gap:7px}.work-chip{border:1px solid #d8d1e3;background:#f8f6fc;color:var(--ink2);padding:8px 10px;border-radius:999px;font:inherit;font-size:12px;font-weight:800;cursor:pointer;transition:.15s}.work-chip:hover,.work-chip.active{background:#17131f;color:#fff;border-color:#17131f}.lead-form-shell .submit-btn{width:100%;justify-content:space-between;margin-top:15px}.lead-form-shell.inline-form{box-shadow:0 22px 58px rgba(39,24,74,.12);border-color:#d7cee9}.lead-form-shell.wide-inline-form{padding:28px}.wide-inline-form .form-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wide-inline-form .form-grid .wide{grid-column:span 2}.wide-inline-form .form-grid label:last-child{grid-column:1/-1}.wide-inline-form .submit-btn{max-width:420px}
.legacy-hero-form{min-width:0}.legacy-new-grid{grid-template-columns:minmax(0,1.06fr) minmax(390px,.94fr);align-items:start}.legacy-new-hero .text-link{display:inline-flex;align-items:center;padding:14px 2px;text-decoration:none;font-weight:850;color:var(--accent)}
.legacy-side-card.dark{background:#17131f;color:#fff}.legacy-side-card.dark p{color:#bdb5c8}.legacy-side-card.dark .side-link{color:var(--lime);border-color:#332c3c}
.legacy-own-task{padding-top:40px;background:linear-gradient(180deg,#fbfaff,#f1edff)}.legacy-own-head{max-width:780px;margin-bottom:24px}.legacy-own-head p{color:var(--muted);font-size:18px}.legacy-content .u-menu,.legacy-content .uMenu,.legacy-content .menu-site,.legacy-content .site-menu,.legacy-content .statistics,.legacy-content .stats,.legacy-content .comments,.legacy-content .rating,.legacy-content .login,.legacy-content .breadcrumbs{display:none!important}
.legacy-content a[href*="/register/"],.legacy-content a[href*="/pda/"],.legacy-content a[href*="javascript:"]{display:none!important}.legacy-content hr{border:0;border-top:1px solid var(--line);margin:24px 0}.legacy-content>center,.legacy-content>div[align="center"]{text-align:left!important}
@media(max-width:1000px){.legacy-new-grid{grid-template-columns:1fr}.legacy-hero-form{max-width:720px}.wide-inline-form .form-grid{grid-template-columns:1fr 1fr}.wide-inline-form .form-grid .wide{grid-column:1/-1}}
@media(max-width:640px){.lead-form-shell{padding:18px;border-radius:20px}.lead-form-heading h2,.lead-card .lead-form-heading h2{font-size:28px}.work-popular-chips{gap:6px}.work-chip{font-size:11px;padding:8px 9px}.wide-inline-form .form-grid{grid-template-columns:1fr}.wide-inline-form .form-grid .wide{grid-column:auto}.wide-inline-form .form-grid label:last-child{grid-column:auto}.legacy-new-hero{padding-bottom:28px}.legacy-reading{padding-top:28px}.legacy-own-task{padding-top:26px}.legacy-own-head p{font-size:16px}}
/* v1.7 legacy quarantine */
.legacy-article-head{padding:0 0 22px;margin:0 0 26px;border-bottom:1px solid var(--line)}.legacy-article-head h2{font-size:34px;line-height:1.05;letter-spacing:-.035em;margin:5px 0 0}.legacy-download{display:grid;grid-template-columns:1fr auto;gap:7px 20px;align-items:center;padding:22px;border:1px solid #cfc5e4;border-radius:20px;background:linear-gradient(135deg,#f7f3ff,#efffd0)}.legacy-download span{grid-column:1/-1;text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:950;color:var(--muted)}.legacy-download strong{font-size:20px;line-height:1.2}.legacy-download a{display:inline-flex;text-decoration:none!important;font-weight:900;background:var(--ink);color:#fff!important;padding:12px 15px;border-radius:13px;white-space:nowrap}.legacy-empty{padding:28px;border-radius:20px;background:#f6f2ff;text-align:center}.legacy-empty strong{display:block;font-size:24px}.legacy-empty p{color:var(--muted)}@media(max-width:640px){.legacy-download{grid-template-columns:1fr}.legacy-download a{justify-content:center}.legacy-article-head h2{font-size:28px}}

.legacy-file-lost{padding:24px;border:1px solid #e4d9c3;border-radius:20px;background:linear-gradient(135deg,#fffaf1,#f7f3ff)}.legacy-file-lost span{display:block;text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:950;color:var(--muted);margin-bottom:8px}.legacy-file-lost strong{display:block;font-size:24px;line-height:1.15;letter-spacing:-.025em}.legacy-file-lost p{max-width:680px;margin:10px 0 18px;color:var(--muted);font-size:16px;line-height:1.55}.legacy-file-lost .big-btn{width:auto;margin:0}@media(max-width:640px){.legacy-file-lost{padding:20px}.legacy-file-lost strong{font-size:21px}.legacy-file-lost .big-btn{width:100%}}