.survey-test{--st-bg:#eaf4ff;--st-surface:#fff;--st-blue:#2f8df5;--st-blue-dark:#126bc4;--st-blue-soft:#eaf5ff;--st-text:#14263a;--st-muted:#64748b;--st-line:#d9e6f3;--st-green:#18a36d;--st-green-soft:#eaf8f2;--st-red:#e65050;--st-red-soft:#fff0f0;--st-yellow:#ffd84d;--st-shadow:0 14px 36px rgba(20,71,117,0.08);color:var(--st-text);background:#fff}.survey-test *{box-sizing:border-box}.survey-test button,.survey-test input,.survey-test select,.survey-test textarea{font:inherit}.survey-test button{cursor:pointer}.survey-test .st-container{width:min(1180px,calc(100% - 32px));margin:auto}.survey-test .st-hidden{display:none!important}.survey-test .st-section{padding:70px 0}.survey-test .st-section-title{text-align:center;margin:0;color:var(--st-blue);font-size:34px;font-weight:900;letter-spacing:-.8px;line-height:1.2}.survey-test .st-section-sub{text-align:center;color:var(--st-muted);line-height:1.65;max-width:760px;margin:12px auto 0}.survey-test .st-btn{border:0;border-radius:999px;padding:14px 24px;font-weight:900;transition:.2s}.survey-test .st-btn-primary{background:var(--st-blue);color:#fff}.survey-test .st-btn-primary:hover{background:var(--st-blue-dark);transform:translateY(-1px)}.survey-test .st-btn-soft{background:var(--st-blue-soft);color:var(--st-blue-dark)}.survey-test .st-card{background:#fff;border:1px solid var(--st-line);border-radius:18px;box-shadow:var(--st-shadow)}.survey-test .st-home-hero{background:var(--st-bg);padding:78px 0 72px;text-align:center}.survey-test .st-home-hero h1{margin:0 auto;color:var(--st-blue);font-size:46px;line-height:1.18;max-width:820px;letter-spacing:-1.4px}.survey-test .st-home-hero p{max-width:780px;margin:24px auto;color:#37475a;line-height:1.72}.survey-test .st-test-preview{padding:48px 0 30px}.survey-test .st-library-grid,.survey-test .st-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}.survey-test .st-library-card,.survey-test .st-test-card{display:flex;align-items:center;gap:18px;padding:20px;border-radius:16px;border:1px solid var(--st-line);background:#fff}.survey-test .st-library-card{padding:18px}.survey-test .st-test-illustration{width:78px;height:78px;border-radius:18px;background:var(--st-blue-soft);display:grid;place-items:center;font-size:36px;flex:none}.survey-test .st-library-card .st-test-illustration{width:72px;height:72px}.survey-test .st-library-card h3,.survey-test .st-test-card h3{margin:0;color:var(--st-blue);font-size:18px}.survey-test .st-library-card h3{font-size:17px}.survey-test .st-library-card p,.survey-test .st-test-card p{margin:6px 0 10px;color:var(--st-muted);font-size:13px}.survey-test .st-library-card p{color:#475569}.survey-test .st-library-card .st-btn,.survey-test .st-test-card .st-btn{padding:10px 18px;font-size:13px}.survey-test .st-center-action{text-align:center;margin-top:28px}.survey-test .st-reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.survey-test .st-reason-card{text-align:center;padding:26px}.survey-test .st-reason-icon{width:72px;height:72px;border-radius:20px;background:var(--st-blue-soft);display:grid;place-items:center;margin:auto;font-size:34px}.survey-test .st-reason-card h3{margin:16px 0 8px;color:var(--st-blue);font-size:18px}.survey-test .st-reason-card p{margin:0;color:#475569;line-height:1.65;font-size:14px}.survey-test .st-library-page{background:#fff;padding:48px 0 70px}.survey-test .st-subject-title{margin:40px 0 18px;color:var(--st-blue);font-size:30px}.survey-test .st-breadcrumb-wrap{margin-bottom:22px}.survey-test .st-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--st-muted);font-size:14px;font-weight:750}.survey-test .st-breadcrumb-item{display:inline-flex;align-items:center;border:0;padding:0;background:transparent;color:var(--st-muted);font-weight:800;cursor:pointer}.survey-test .st-breadcrumb-item:hover{color:var(--st-blue)}.survey-test .st-breadcrumb-item.current{color:var(--st-blue-dark);cursor:default}.survey-test .st-breadcrumb-separator{color:#aab8c7;font-size:15px}.survey-test .st-breadcrumb-actions{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:22px}.survey-test .st-result-actions-inline{display:flex;gap:10px;flex-wrap:wrap}.survey-test .st-result-actions-inline button{border:1px solid var(--st-line);border-radius:999px;background:#fff;color:var(--st-blue-dark);padding:9px 14px;font-size:13px;font-weight:900}.survey-test .st-result-actions-inline button:hover{border-color:var(--st-blue);background:var(--st-blue-soft)}.survey-test .st-form-page{background:var(--st-bg);padding:48px 0 78px}.survey-test .st-form-wrapper{margin-top:34px;padding:30px 32px 34px;border-radius:22px}.survey-test .st-form-wrapper h3{margin:0 0 26px;font-size:22px;line-height:1.35}.survey-test .st-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:28px;row-gap:28px;align-items:start}.survey-test .st-field{display:flex;flex-direction:column;gap:8px}.survey-test .st-field.full{grid-column:1/-1}.survey-test .st-field label{margin:0;font-size:17px;line-height:1.25;font-weight:800;color:#273549}.survey-test .st-field .required{color:var(--st-red)}.survey-test .st-field input,.survey-test .st-field select,.survey-test .st-field textarea{width:100%;border:1.5px solid var(--st-blue);border-radius:14px;background:#fff;outline:none;color:var(--st-text);font-size:15px}.survey-test .st-field input,.survey-test .st-field select{height:56px;min-height:56px;padding-left:20px;padding-right:48px}.survey-test .st-field textarea{min-height:88px;padding:16px 20px;resize:vertical}.survey-test .st-field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#334155 0),linear-gradient(135deg,#334155 50%,transparent 0);background-position:calc(100% - 24px) 50%,calc(100% - 17px) 50%;background-size:7px 7px,7px 7px;background-repeat:no-repeat}.survey-test .st-field select:focus{border-color:var(--st-blue);box-shadow:0 0 0 3px rgba(47,141,245,.12)}.survey-test .st-field small{color:var(--st-muted);font-style:italic;line-height:1.45;font-size:13px;margin-top:2px}.survey-test .st-form-action{text-align:center;margin-top:30px}.survey-test .st-form-action .st-btn{min-width:190px;min-height:52px;padding:0 28px;font-size:16px}.survey-test .st-exam-page{background:var(--st-bg);padding:30px 0 70px}.survey-test .st-exam-title,.survey-test .st-result-page-title{text-align:center;color:var(--st-blue);font-size:40px;margin:0 0 30px}.survey-test .st-exam-layout{display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:start}.survey-test .st-exam-sidebar{position:sticky;top:120px;padding:20px}.survey-test .st-timer{height:54px;border-radius:14px;background:#fff8dc;border:1px solid #f2c94c;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:900}.survey-test .st-progress-row{display:flex;justify-content:space-between;margin:16px 0 8px;font-size:14px;font-weight:850}.survey-test .st-progress-track{height:10px;background:#e6edf4;border-radius:99px;overflow:hidden}.survey-test .st-progress-bar{height:100%;width:0;background:var(--st-blue);transition:width .2s}.survey-test .st-question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:17px}.survey-test .st-question-nav button{height:38px;border:1px solid var(--st-line);border-radius:10px;background:#fff;color:#64748b;font-weight:850}.survey-test .st-question-nav button.answered{background:var(--st-blue-soft);color:var(--st-blue-dark);border-color:#9bc9f8}.survey-test .st-submit-btn{width:100%;margin-top:18px;height:46px;border:0;border-radius:11px;font-weight:900;transition:.2s}.survey-test .st-submit-btn:disabled{background:#e8eef6;color:#9aa8b8;cursor:not-allowed}.survey-test .st-submit-btn:not(:disabled){background:var(--st-blue);color:#fff}.survey-test .st-submit-btn:not(:disabled):hover{background:var(--st-blue-dark)}.survey-test .st-exam-card{padding:28px 30px}.survey-test .st-question{padding:0 0 46px;margin-bottom:42px;scroll-margin-top:120px}.survey-test .st-question-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}.survey-test .st-q-number{min-width:46px;height:46px;border-radius:13px;background:#e6f4ff;color:var(--st-blue-dark);display:grid;place-items:center;font-weight:900}.survey-test .st-q-text{padding-top:8px;font-size:18px;font-weight:850;line-height:1.5}.survey-test .st-answers-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-left:60px}.survey-test .st-answer-option{position:relative;border:1px solid var(--st-line);border-radius:12px;min-height:62px;padding:12px 15px;display:flex;align-items:center;gap:12px;cursor:pointer}.survey-test .st-answer-option input{position:absolute;opacity:0}.survey-test .st-answer-letter{width:34px;height:34px;border-radius:9px;border:1px solid var(--st-line);display:grid;place-items:center;font-weight:900;flex:none}.survey-test .st-answer-option:has(input:checked){background:var(--st-blue-soft);border-color:var(--st-blue)}.survey-test .st-answer-option:has(input:checked) .st-answer-letter{background:var(--st-blue);color:#fff;border-color:var(--st-blue)}.survey-test .st-result-page{background:var(--st-bg);padding:30px 0 70px}.survey-test .st-result-overview{display:grid;gap:20px}.survey-test .st-result-hero-card{display:grid;grid-template-columns:240px 1fr;gap:34px;align-items:center;padding:34px 40px}.survey-test .st-score-circle{width:190px;height:190px;border-radius:50%;background:conic-gradient(var(--st-blue) 0 85%,#e7eff7 85% 100%);display:grid;place-items:center;position:relative}.survey-test .st-score-circle:before{content:"";position:absolute;inset:18px;border-radius:50%;background:#fff}.survey-test .st-score-circle-inner{position:relative;text-align:center}.survey-test .st-score-circle-inner strong{display:block;color:var(--st-blue-dark);font-size:54px;line-height:1;font-weight:900}.survey-test .st-score-circle-inner span{display:block;margin-top:8px;color:var(--st-muted);font-size:16px;font-weight:800}.survey-test .st-result-hero-content h2{margin:0;font-size:34px;line-height:1.25}.survey-test .st-result-hero-count,.survey-test .st-result-hero-sub{margin:14px 0 0;color:var(--st-muted);font-size:16px}.survey-test .st-result-hero-count strong{color:var(--st-text);font-weight:850}.survey-test .st-result-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.survey-test .st-result-hero-tags span{padding:10px 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strong{display:block;margin-top:7px;font-size:17px}.survey-test .st-difficulty-stats{margin-top:22px;padding:18px;border-radius:14px;background:#f7fbff;border:1px solid var(--st-line)}.survey-test .st-difficulty-stats .st-survey-result-title{margin-bottom:14px}.survey-test .st-feedback-list{display:grid;gap:13px;margin-top:18px}.survey-test .st-feedback-item{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:18px;border:1px solid var(--st-line);border-radius:14px}.survey-test .st-feedback-index{width:46px;height:46px;border-radius:12px;background:var(--st-blue-soft);color:var(--st-blue-dark);display:grid;place-items:center;font-weight:900}.survey-test .st-feedback-item h4{margin:0 0 6px;color:var(--st-blue-dark)}.survey-test .st-feedback-item p{margin:0;color:var(--st-muted);line-height:1.7}.survey-test .st-feedback-item p strong{color:var(--st-text);font-weight:850}.survey-test .st-roadmap-lock{position:relative;min-height:820px;overflow:hidden;margin-top:20px;border-radius:22px;background:#fff;border:1px solid var(--st-line);box-shadow:var(--st-shadow)}.survey-test .st-roadmap-content{padding:28px}.survey-test .st-roadmap-head-simple h3{margin:0 0 10px;font-size:30px}.survey-test .st-roadmap-head-simple p{max-width:1050px;margin:0;color:var(--st-muted);line-height:1.65}.survey-test .st-roadmap-summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.survey-test .st-roadmap-summary-card{padding:22px;border:1px solid var(--st-line);border-radius:17px;background:#fbfdff}.survey-test .st-roadmap-summary-title{display:flex;gap:11px;align-items:center;margin-bottom:16px}.survey-test .st-roadmap-summary-icon{width:40px;height:40px;border-radius:11px;background:var(--st-blue-soft);display:grid;place-items:center}.survey-test .st-roadmap-summary-title h4{margin:0;color:var(--st-blue-dark);font-size:19px}.survey-test .st-roadmap-insights,.survey-test .st-roadmap-support-list{display:grid;gap:11px}.survey-test .st-roadmap-insight{display:flex;justify-content:space-between;gap:12px;padding:12px;border-radius:11px;background:#f3f7fa}.survey-test .st-roadmap-insight.warning{background:#fff8ed}.survey-test .st-roadmap-insight span{color:var(--st-muted);font-weight:800;font-size:13px}.survey-test .st-roadmap-support-item{display:flex;gap:11px;align-items:flex-start}.survey-test .st-roadmap-support-item>span{width:25px;height:25px;border-radius:8px;background:var(--st-green-soft);color:var(--st-green);display:grid;place-items:center;font-weight:900;flex:none}.survey-test .st-roadmap-support-item strong{display:block;margin-bottom:3px}.survey-test .st-roadmap-support-item p{margin:0;color:var(--st-muted);font-size:13px;line-height:1.5}.survey-test .st-roadmap-preview-box{margin-top:18px;padding:18px;border:1px dashed #bad6f0;border-radius:15px;background:#f8fbff}.survey-test .st-roadmap-fade{position:absolute;z-index:2;left:0;right:0;top:165px;bottom:0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.34) 28%,rgba(255,255,255,.9) 66%,#fff);backdrop-filter:blur(2px);pointer-events:none}.survey-test .st-unlock-panel{position:absolute;z-index:4;left:50%;bottom:24px;transform:translateX(-50%);width:min(700px,calc(100% - 40px));padding:24px;border:1px solid var(--st-line);border-radius:19px;background:#fff;box-shadow:0 20px 60px rgba(20,71,117,.14);text-align:center}.survey-test .st-lock-icon{width:52px;height:52px;border-radius:15px;background:var(--st-blue-soft);display:grid;place-items:center;margin:0 auto 13px;font-size:23px}.survey-test .st-unlock-panel h3{margin:0 0 8px;font-size:23px}.survey-test .st-unlock-panel p{margin:0 auto;color:var(--st-muted);line-height:1.6;max-width:540px}.survey-test .st-phone-form{display:flex;gap:10px;margin-top:15px}.survey-test .st-phone-form-wrap{margin-top:15px}.survey-test .st-phone-form-wrap .st-phone-form{margin-top:10px}.survey-test .st-otp-method{display:inline-flex;gap:6px;padding:4px;border-radius:999px;background:#f3f7fc}.survey-test .st-otp-method button{border:0;border-radius:999px;background:transparent;color:var(--st-muted);padding:7px 14px;font-weight:850;cursor:pointer}.survey-test .st-otp-method button.active{background:#fff;color:var(--st-blue-dark);box-shadow:0 1px 4px rgba(20,71,117,.12)}.survey-test .st-otp-change-phone{margin-top:10px;border:0;background:transparent;color:var(--st-blue-dark);font-weight:800;cursor:pointer}.survey-test .st-phone-form input{flex:1;min-width:0;height:47px;border:1px solid var(--st-line);border-radius:10px;padding:0 13px;outline:none}.survey-test .st-phone-form input:disabled{background:#f7fafc;color:var(--st-muted)}.survey-test .st-phone-form button{border:0;border-radius:10px;background:var(--st-blue);color:#fff;padding:0 16px;font-weight:900;white-space:nowrap}.survey-test .st-phone-form button:disabled{opacity:.7;cursor:not-allowed}.survey-test .st-trust-row{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:12px}.survey-test .st-trust-row span{font-size:12px;color:var(--st-muted);font-weight:800}.survey-test .st-unlock-success{display:none;margin-top:14px;padding:12px;border-radius:10px;background:var(--st-green-soft);color:var(--st-green);font-weight:850}.survey-test .st-unlock-panel.done .st-phone-form,.survey-test .st-unlock-panel.done .st-phone-form-wrap,.survey-test .st-unlock-panel.done .st-trust-row{display:none}.survey-test .st-unlock-panel.done .st-unlock-success{display:block}.survey-test .st-tutor-promo{margin-top:20px;display:grid;grid-template-columns:1.35fr .65fr;gap:22px;align-items:center;padding:30px;background:linear-gradient(135deg,#0f69bf,#2f8df5);color:#fff;border-radius:22px}.survey-test .st-tutor-promo .kicker{font-size:13px;font-weight:900;letter-spacing:.04em}.survey-test .st-tutor-promo h3{font-size:30px;margin:14px 0 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