.pr-root{--pr-correct:var(--bq-success);--pr-incorrect:var(--bq-danger);--pr-blank:var(--muted-2);--pr-marked:var(--bq-warn);--pr-correct-text:color-mix(in srgb, var(--bq-success) 72%, #07101c);--pr-incorrect-text:color-mix(in srgb, var(--bq-danger) 72%, #07101c);--pr-warn-text:color-mix(in srgb, var(--bq-warn) 60%, #07101c);max-width:960px;color:var(--bq-text);gap:16px;margin:0 auto;padding:32px 24px 64px;display:grid;position:relative;container-type:inline-size}[data-theme=dark] .pr-root{--pr-correct-text:color-mix(in srgb, var(--bq-success) 70%, #fff);--pr-incorrect-text:color-mix(in srgb, var(--bq-danger) 70%, #fff);--pr-warn-text:color-mix(in srgb, var(--bq-warn) 70%, #fff)}.pr-root[data-mode=study]{--bq-accent:#2f9e6b;--bq-accent-strong:#247655;--accent-soft:color-mix(in srgb, #2f9e6b 11%, var(--surface))}.pr-root[data-mode=exam]{--bq-accent:#06b6d4;--bq-accent-strong:#0688a0;--accent-soft:color-mix(in srgb, #06b6d4 11%, var(--surface))}[data-theme=dark] .pr-root[data-mode=study]{--accent-soft:color-mix(in srgb, #2f9e6b 22%, var(--surface))}[data-theme=dark] .pr-root[data-mode=exam]{--accent-soft:color-mix(in srgb, #06b6d4 22%, var(--surface))}.pr-root .pr-sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pr-root .pr-muted{color:var(--muted);font-weight:500}.pr-root .pr-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--bq-radius);min-width:0;box-shadow:var(--shadow-card);padding:20px 22px}.pr-root .pr-card-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;margin-bottom:12px;display:flex}.pr-root .pr-card-head h3{margin:0;font-size:1.05rem;font-weight:700}.pr-root .pr-card-head>p{margin:0;font-size:.82rem}.pr-root .pr-eyebrow{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 14px;margin:0 0 14px;font-size:.84rem;font-weight:600;display:flex}.pr-root .pr-eyebrow-title{color:var(--text-soft)}.pr-root .pr-eyebrow-time{font-variant-numeric:tabular-nums;align-items:center;gap:6px;display:inline-flex}.pr-root .pr-eyebrow-time svg{width:16px;height:16px}.pr-root .pr-summary-main{flex-wrap:wrap;align-items:flex-end;gap:16px 36px;display:flex}.pr-root .pr-net{flex-direction:column;display:flex}.pr-root .pr-net-value{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:clamp(2.6rem,6vw,3.4rem);font-weight:800;line-height:1}.pr-root .pr-net-label{color:var(--muted);margin-top:6px;font-size:.88rem}.pr-root .pr-counts{flex-wrap:wrap;gap:12px 28px;margin:0;display:flex}.pr-root .pr-count{flex-direction:column-reverse;display:flex}.pr-root .pr-count dt{color:var(--muted);font-size:.8rem;font-weight:600}.pr-root .pr-count dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.35rem;font-weight:700}.pr-root .pr-count dd.is-correct{color:var(--pr-correct-text)}.pr-root .pr-count dd.is-incorrect{color:var(--pr-incorrect-text)}.pr-root .pr-count dd.is-blank{color:var(--muted)}.pr-root .pr-bar{background:var(--surface-3);border-radius:999px;min-width:0;height:8px;display:flex;overflow:hidden}.pr-root .pr-bar-seg{height:100%;display:block}.pr-root .pr-bar-seg.is-correct{background:var(--pr-correct)}.pr-root .pr-bar-seg.is-incorrect{background:var(--pr-incorrect)}.pr-root .pr-bar-seg.is-blank{background:var(--pr-blank)}.pr-root .pr-summary-bar{height:10px;margin-top:18px}.pr-root .pr-btn{font:inherit;color:var(--bq-text);background:var(--surface);border:1px solid var(--line-2);cursor:pointer;transition:background .15s var(--bq-ease), border-color .15s var(--bq-ease);border-radius:999px;align-items:center;gap:6px;padding:9px 16px;font-size:.88rem;font-weight:700;display:inline-flex}.pr-root .pr-btn:hover{background:var(--surface-2)}.pr-root .pr-btn svg{width:16px;height:16px;transition:transform .2s var(--bq-ease)}.pr-root .pr-btn[aria-expanded=true] svg{transform:rotate(90deg)}.pr-root .pr-btn-primary{color:#fff;background:var(--bq-accent);border-color:var(--bq-accent)}.pr-root .pr-btn-primary:hover{background:var(--bq-accent-strong)}.pr-root .pr-btn-ghost{background:0 0}.pr-root .pr-link{font:inherit;color:var(--bq-accent-strong);cursor:pointer;background:0 0;border:0;padding:4px 0;font-size:.82rem;font-weight:700}[data-theme=dark] .pr-root .pr-link{color:var(--bq-accent)}.pr-root .pr-link:hover{text-decoration:underline}.pr-root .pr-btn:focus-visible,.pr-root .pr-link:focus-visible,.pr-root .pr-chip:focus-visible,.pr-root .pr-chip-clear:focus-visible,.pr-root .pr-dot:focus-visible,.pr-root .pr-row-toggle:focus-visible,.pr-root .pr-field input:focus-visible,.pr-root .pr-field select:focus-visible{outline:2px solid var(--bq-accent);outline-offset:2px}.pr-root .pr-review:focus-visible{outline:2px solid var(--bq-accent);outline-offset:4px;border-radius:var(--bq-radius-sm)}.pr-root .pr-review-item:focus{outline:2px solid var(--bq-accent);outline-offset:2px}.pr-root .pr-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.pr-root .pr-estimate,.pr-root .pr-manual{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.pr-root .pr-estimate-line{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.pr-root .pr-estimate-line>svg{width:18px;height:18px;color:var(--bq-accent);flex-shrink:0}.pr-root .pr-estimate-line p{flex:200px;margin:0;font-size:.9rem}.pr-root .pr-estimate-panel{border-radius:var(--bq-radius-sm);background:var(--surface-2);gap:16px;margin-top:14px;padding:16px;display:grid}.pr-root .pr-estimate-inputs{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.pr-root .pr-field{color:var(--muted);gap:6px;font-size:.8rem;font-weight:600;display:grid}.pr-root .pr-field-wide{grid-column:1/-1}.pr-root .pr-field input,.pr-root .pr-field select{min-width:0;font:inherit;color:var(--bq-text);background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:8px 10px;font-size:.95rem}.pr-root .pr-range{align-items:center;gap:12px;display:flex}.pr-root .pr-range input[type=number]{width:90px}.pr-root .pr-range input[type=range]{accent-color:var(--bq-accent);background:0 0;border:0;flex:1;padding:0}.pr-root .pr-range-labels{color:var(--muted);justify-content:space-between;font-size:.74rem;display:flex}.pr-root .pr-estimate-outputs{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:0;display:grid}.pr-root .pr-estimate-outputs>div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px}.pr-root .pr-estimate-outputs dt{color:var(--muted);font-size:.76rem;font-weight:600}.pr-root .pr-estimate-outputs dd{font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:1.05rem;font-weight:700}.pr-root .pr-note{color:var(--muted);margin:0;font-size:.78rem}.pr-root .pr-manual{gap:12px;display:grid}.pr-root .pr-manual-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.pr-root .pr-manual-head p{color:var(--text-soft);margin:0;font-size:.88rem}.pr-root .pr-manual-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;display:grid}.pr-root .pr-manual-status{color:var(--muted);margin:0;font-size:.82rem}.pr-root .pr-manual-status.is-warn{color:var(--pr-warn-text)}.pr-root .pr-table-head,.pr-root .pr-row-main{grid-template-columns:minmax(0,1.5fr) minmax(0,1.3fr) 56px 64px 96px;align-items:center;gap:12px;display:grid}.pr-root .pr-table-head{color:var(--muted);padding-bottom:6px;font-size:.74rem;font-weight:700}.pr-root .pr-table-head span:nth-child(3),.pr-root .pr-table-head span:nth-child(4){text-align:right}.pr-root .pr-rows{margin:0;padding:0;list-style:none}.pr-root .pr-row{border-top:1px solid var(--line)}.pr-root .pr-row-main{padding:10px 0;font-size:.88rem}.pr-root .pr-row-label{align-items:center;gap:6px;min-width:0;display:inline-flex}.pr-root .pr-row-toggle{font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.pr-root .pr-row-toggle svg{width:14px;height:14px;color:var(--muted-2);transition:transform .2s var(--bq-ease);flex-shrink:0}.pr-root .pr-row-toggle[aria-expanded=true] svg{transform:rotate(90deg)}.pr-root .pr-row-name{overflow-wrap:anywhere;font-weight:700}.pr-root .pr-num{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}.pr-root .pr-num.is-lost{color:var(--pr-incorrect-text)}.pr-root .pr-num-caption{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.pr-root .pr-row-main .pr-link{justify-self:end}.pr-root .pr-rows.is-nested{padding-left:20px}.pr-root .pr-rows.is-nested .pr-row-main{color:var(--text-soft);font-size:.84rem}.pr-root .pr-rows.is-nested .pr-row-name{font-weight:600}.pr-root .pr-more{margin-top:6px}.pr-root .pr-chips{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pr-root .pr-chip{font:inherit;color:var(--text-soft);background:var(--surface);border:1px solid var(--line-2);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:5px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.pr-root .pr-chip:hover{background:var(--surface-2)}.pr-root .pr-chip.is-active{color:var(--bq-text);background:var(--accent-soft);border-color:color-mix(in srgb, var(--bq-accent) 45%, transparent)}.pr-root .pr-chip-count{color:var(--muted);font-variant-numeric:tabular-nums}.pr-root .pr-chip-group{cursor:default;padding-right:6px}.pr-root .pr-chip-clear{width:22px;height:22px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:inline-grid}.pr-root .pr-chip-clear:hover{background:var(--surface-3)}.pr-root .pr-chip-clear svg{width:14px;height:14px}.pr-root .pr-map{grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;margin:4px 0 0;padding:0;list-style:none;display:grid}.pr-root .pr-dot{aspect-ratio:1;width:100%;font:inherit;font-variant-numeric:tabular-nums;cursor:pointer;border:1px solid #0000;border-radius:8px;place-items:center;font-size:.72rem;font-weight:700;display:grid;position:relative}.pr-root .pr-dot.is-correct{color:var(--pr-correct-text);background:var(--bq-success-soft);border-color:var(--bq-success-line)}.pr-root .pr-dot.is-incorrect{color:var(--pr-incorrect-text);background:var(--bq-danger-soft);border-color:var(--bq-danger-line)}.pr-root .pr-dot.is-blank,.pr-root .pr-dot.is-unscored{color:var(--muted);background:var(--surface-2);border-color:var(--line-2)}.pr-root .pr-dot.is-flagged:after{content:"";background:var(--pr-marked);border-radius:50%;width:6px;height:6px;position:absolute;top:3px;right:3px}.pr-root .pr-review{outline:none;gap:12px;margin-top:18px;scroll-margin-top:96px;display:grid}.pr-root .pr-review-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--bq-radius-sm);padding:14px 16px;scroll-margin-top:96px}.pr-root .pr-review-meta{color:var(--muted);overflow-wrap:anywhere;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 8px;font-size:.78rem;font-weight:600;display:flex}.pr-root .pr-status{border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:800}.pr-root .pr-status.is-correct{color:var(--pr-correct-text);background:var(--bq-success-soft)}.pr-root .pr-status.is-incorrect{color:var(--pr-incorrect-text);background:var(--bq-danger-soft)}.pr-root .pr-status.is-blank,.pr-root .pr-status.is-unscored{color:var(--muted);background:var(--surface-3)}.pr-root .pr-marked{color:var(--pr-marked);display:inline-flex}.pr-root .pr-marked svg{width:15px;height:15px}.pr-root .pr-review-q{overflow-wrap:anywhere;margin:0 0 10px;font-size:.95rem;font-weight:600;line-height:1.55}.pr-root .pr-options{gap:6px;margin:0;padding:0;list-style:none;display:grid}.pr-root .pr-option{border:1px solid var(--line);border-radius:10px;align-items:flex-start;gap:10px;padding:8px 10px;font-size:.9rem;font-weight:500;display:flex}.pr-root .pr-option.is-right{background:var(--bq-success-soft);border-color:var(--bq-success-line)}.pr-root .pr-option.is-wrong{background:var(--bq-danger-soft);border-color:var(--bq-danger-line)}.pr-root .pr-option-num{background:var(--surface-3);border-radius:6px;flex-shrink:0;place-items:center;width:22px;height:22px;font-size:.75rem;font-weight:700;display:grid}.pr-root .pr-option-text{overflow-wrap:anywhere;flex:1;min-width:0}.pr-root .pr-option-tag{color:var(--text-soft);flex-shrink:0;align-items:center;gap:4px;font-size:.74rem;font-weight:800;display:inline-flex}.pr-root .pr-option-tag.is-right{color:var(--pr-correct-text)}.pr-root .pr-option-tag svg{width:14px;height:14px}@container (max-width:700px){.pr-root .pr-table-head{display:none}.pr-root .pr-row-main{grid-template-columns:auto auto minmax(0,1fr);grid-template-areas:"name name name""bar bar bar""net lost link";gap:6px 12px}.pr-root .pr-row-main>.pr-row-label{grid-area:name}.pr-root .pr-row-main>.pr-bar{grid-area:bar}.pr-root .pr-row-main>.pr-num-net{text-align:left;grid-area:net}.pr-root .pr-row-main>.pr-num-lost{grid-area:lost}.pr-root .pr-row-main>.pr-link{grid-area:link;justify-self:end}.pr-root .pr-num-caption{clip:auto;width:auto;height:auto;color:var(--muted);font-weight:500;position:static;overflow:visible}.pr-root .pr-rows.is-nested{padding-left:12px}}@container (max-width:520px){.pr-root .pr-option{flex-wrap:wrap}.pr-root .pr-option-tag{flex-basis:100%;padding-left:32px}}@media (max-width:720px){.pr-root{gap:12px;padding:20px 16px 48px}.pr-root .pr-card{padding:16px}.pr-root .pr-map{grid-template-columns:repeat(auto-fill,minmax(38px,1fr))}.pr-root .pr-actions .pr-btn{flex:100%;justify-content:center}}
.bq-landing{--bql-ink:#0a1a2b;--bql-ink-soft:#14304b;--bql-paper:#fff;--bql-paper-2:#f5f7fa;--bql-paper-3:#eaeff5;--bql-muted:#5d6e7f;--bql-muted-2:#8b9aa8;--bql-line:#e3e9f0;--bql-line-2:#d3dce6;--bql-accent:#2f76e0;--bql-accent-strong:#1f57b8;--bql-accent-soft:#eaf2fe;--bql-success:#2f9e6b;--bql-glow:#56a7ff;--bql-radius:18px;--bql-radius-lg:26px;--bql-ease:cubic-bezier(.22, .61, .36, 1);background:var(--bql-paper);min-height:100vh;color:var(--bql-ink);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:Satoshi,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:500;line-height:1.55;overflow-x:hidden}.bq-construction{color:#0a1a2b;background:radial-gradient(circle at 50% 18%,#2f76e024,#0000 32%),#f5f7fa;place-items:center;min-height:100vh;padding:32px 20px;font-family:Satoshi,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:grid}.bq-construction-card{text-align:center;background:#ffffffdb;border:1px solid #e3e9f0;border-radius:24px;width:min(100%,560px);padding:clamp(36px,7vw,56px);box-shadow:0 34px 80px -56px #0a1a2b80}.bq-construction-logo{margin:0 auto 30px}.bq-construction h1{color:#0a1a2b;letter-spacing:-.04em;margin:0 0 16px;font-size:clamp(2.1rem,6vw,3.7rem);font-weight:900;line-height:1}.bq-construction-card>p{color:#5d6e7f;max-width:38ch;margin:0 auto 28px;font-size:1.08rem;line-height:1.55}.bq-construction a{color:#fff;background:#2f76e0;border-radius:999px;justify-content:center;align-items:center;min-height:46px;padding:.82rem 1.55rem;font-weight:800;display:inline-flex;box-shadow:0 12px 28px -14px #2f76e0cc}.bq-landing *{box-sizing:border-box}.bq-landing svg{display:block}.bq-landing h1,.bq-landing h2,.bq-landing h3{color:var(--bql-ink);letter-spacing:-.025em;font-weight:900;line-height:1.04}.bql-wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 28px}.bql-wrap-narrow{max-width:880px}.bql-nav{z-index:50;border-bottom:1px solid var(--bql-line);-webkit-backdrop-filter:saturate(180%)blur(20px);backdrop-filter:saturate(180%)blur(20px);background:#ffffffc2;align-items:center;height:64px;display:flex;position:sticky;top:0}.bql-nav .bql-wrap,.bql-footer .bql-wrap{justify-content:space-between;align-items:center;gap:24px;display:flex}.bql-logo{align-items:center;display:inline-flex}.bql-nav-links,.bql-nav-cta,.bql-hero-ctas,.bql-footer div{align-items:center;gap:28px;display:flex}.bql-nav-links a,.bql-footer a,.bql-login{color:var(--bql-muted);font-size:.92rem;font-weight:700}.bql-login{color:var(--bql-ink)}.bql-btn{letter-spacing:-.01em;min-height:48px;transition:transform .25s var(--bql-ease), background .25s var(--bql-ease), box-shadow .25s var(--bql-ease);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:.9rem 1.65rem;font-size:1rem;font-weight:800;display:inline-flex}.bql-btn:hover{transform:translateY(-2px)}.bql-btn-sm{min-height:38px;padding:.55rem 1.15rem;font-size:.9rem}.bql-btn-primary{background:var(--bql-accent);color:#fff;box-shadow:0 8px 24px -8px #2f76e08c}.bql-btn-primary:hover{background:var(--bql-accent-strong)}.bql-btn-ghost{background:var(--bql-paper-2);color:var(--bql-ink)}.bql-btn-ghost:hover{background:var(--bql-paper-3)}.bql-btn-on-dark{color:var(--bql-ink);background:#fff}.bql-btn-on-dark:hover{background:#8fd0ff}.bql-hero{text-align:center;padding:68px 0 0;overflow:hidden}.bql-eyebrow{color:var(--bql-accent);font-family:var(--bq-mono,"Geist Mono", ui-monospace, monospace);letter-spacing:.2em;text-transform:uppercase;margin:0 0 1.2rem;font-size:.72rem;font-weight:600}.bql-hero h1{letter-spacing:-.04em;max-width:15.5ch;margin:0 auto 1.6rem;font-size:clamp(2.7rem,6.4vw,5.1rem);line-height:.99}.bql-lede{max-width:43ch;color:var(--bql-muted);margin:0 auto 2.2rem;font-size:clamp(1.1rem,1.7vw,1.42rem);line-height:1.5}.bql-hero-ctas{flex-wrap:wrap;justify-content:center}.bql-trust{color:var(--bql-muted-2);align-items:center;gap:9px;margin-top:1.8rem;font-size:.88rem;display:inline-flex}.bql-trust span{background:var(--bql-success);border-radius:999px;width:7px;height:7px;animation:2.4s infinite bql-pulse;box-shadow:0 0 #2f9e6b80}@keyframes bql-pulse{70%{box-shadow:0 0 0 9px #2f9e6b00}}.bql-hero-stage{perspective:1800px;margin-top:4.2rem;position:relative}.bql-hero-stage:before{content:"";z-index:0;filter:blur(42px);background:radial-gradient(#2f76e03d,#0000 70%);width:min(760px,72vw);height:58%;position:absolute;top:18%;left:50%;transform:translate(-50%)}.bql-mock-frame{z-index:1;border:1px solid var(--bql-line);border-radius:var(--bql-radius-lg);transform-origin:top;background:#fff;max-width:1040px;margin:0 auto;position:relative;overflow:hidden;transform:rotateX(5deg)scale(.98);box-shadow:0 50px 100px -40px #0a1a2b73,0 20px 40px -30px #0a1a2b4d}.bql-mock-bar{background:var(--bql-paper-2);border-bottom:1px solid var(--bql-line);align-items:center;gap:10px;padding:11px 16px;display:flex}.bql-window-dots{gap:6px;display:flex}.bql-window-dots i{background:var(--bql-line-2);border-radius:999px;width:11px;height:11px;display:block}.bql-url{border:1px solid var(--bql-line);color:var(--bql-muted-2);font-family:var(--bq-mono,"Geist Mono", ui-monospace, monospace);background:#fff;border-radius:7px;margin:0 auto;padding:4px 14px;font-size:.72rem}.bql-appmock{text-align:left;background:#fafbfd;grid-template-columns:210px 1fr 232px;min-height:470px;display:grid}.bql-am-side{background:var(--bql-ink);color:#fff;flex-direction:column;gap:4px;padding:20px 16px;display:flex}.bql-am-logo{align-items:center;display:flex}.bql-am-sub{color:#ffffff8c;font-family:var(--bq-mono,"Geist Mono", ui-monospace, monospace);letter-spacing:.05em;margin:2px 0 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