.elementor-30842 .elementor-element.elementor-element-8de45a2 > .elementor-element-populated{margin:0px 0px 0px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-widget-text-editor{font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-weight:var( --e-global-typography-text-font-weight );color:var( --e-global-color-text );}.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:var( --e-global-color-primary );}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap, .elementor-widget-text-editor.elementor-drop-cap-view-default .elementor-drop-cap{color:var( --e-global-color-primary );border-color:var( --e-global-color-primary );}.elementor-30842 .elementor-element.elementor-element-f71630b{text-align:center;}.elementor-widget-heading .elementor-heading-title{font-family:var( --e-global-typography-primary-font-family ), Sans-serif;font-weight:var( --e-global-typography-primary-font-weight );color:var( --e-global-color-primary );}.elementor-30842 .elementor-element.elementor-element-be15384{text-align:center;}.elementor-30842 .elementor-element.elementor-element-be15384 .elementor-heading-title{color:var( --e-global-color-text );}.elementor-30842 .elementor-element.elementor-element-07e2d43 > .elementor-container > .elementor-column > .elementor-widget-wrap{align-content:center;align-items:center;}.elementor-30842 .elementor-element.elementor-element-07e2d43{padding:0px 0px 0px 0px;}.elementor-30842 .elementor-element.elementor-element-c549327 > .elementor-element-populated{margin:0px 0px 0px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-30842 .elementor-element.elementor-element-02762c8{text-align:center;}.elementor-30842 .elementor-element.elementor-element-0640f2e{text-align:center;}.elementor-30842 .elementor-element.elementor-element-0640f2e .elementor-heading-title{color:var( --e-global-color-text );}.elementor-30842 .elementor-element.elementor-element-703eb6e > .elementor-container > .elementor-column > .elementor-widget-wrap{align-content:center;align-items:center;}.elementor-30842 .elementor-element.elementor-element-703eb6e{padding:0px 0px 0px 0px;}.elementor-30842 .elementor-element.elementor-element-0a50d6b > .elementor-element-populated{margin:0px 0px 0px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-30842 .elementor-element.elementor-element-049a671{text-align:center;}.elementor-30842 .elementor-element.elementor-element-049a671 .elementor-heading-title{color:var( --e-global-color-text );}.elementor-30842 .elementor-element.elementor-element-95db4ac > .elementor-container > .elementor-column > .elementor-widget-wrap{align-content:center;align-items:center;}.elementor-30842 .elementor-element.elementor-element-95db4ac{padding:0px 0px 0px 0px;}.elementor-30842 .elementor-element.elementor-element-ad39b7c > .elementor-element-populated{margin:0px 0px 0px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}/* Start custom CSS for heading, class: .elementor-element-be15384 */.elementor-30842 .elementor-element.elementor-element-be15384 { position: relative; display: block; width: 100%; box-sizing: border-box; padding: 8px 20px !important; background: linear-gradient(90deg, #e6f6ff 0%, #ffffff 50%, #e6f6ff 100%); border: 2px solid #0878ce; border-bottom: 7px solid #0878ce; border-radius: 0 55px 55px 0; box-shadow: inset 0 0 0 4px #d5efff; overflow: hidden; } .elementor-30842 .elementor-element.elementor-element-be15384 .elementor-heading-title { font-family: Arial, sans-serif; font-size: clamp(24px, 3.5vw, 56px); line-height: 1.15; font-weight: 800; color: #07145f; text-align: center; margin: 0 !important; padding: 0 !important; } .elementor-30842 .elementor-element.elementor-element-be15384 .chemical-red { color: #df251c; } @media (max-width: 767px) { .elementor-30842 .elementor-element.elementor-element-be15384 { padding: 8px 12px !important; } .elementor-30842 .elementor-element.elementor-element-be15384 .elementor-heading-title { font-size: 25px; line-height: 1.2; } }/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-76ac288 */```css
.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa {
    font-family: "Noto Serif Bengali", "SolaimanLipi", serif;
    font-size: 17px;
    line-height: 1.65;
    color: #111;
    overflow-wrap: break-word;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa p {
    margin: 0 0 12px;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa strong {
    font-weight: 700;
    color: #111;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .board {
    color: #ff2929;
    font-weight: 400;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .answer {
    color: #00aeef;
    font-weight: 700;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .fraction {
    display: inline-flex;
    flex-direction: column;
    vertical-align: middle;
    text-align: center;
    font-size: 0.85em;
    line-height: 1.3;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .fraction span:first-child {
    border-bottom: 1px solid #111;
}

.elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .page-break {
    height: 12px;
    background: #555;
    margin: 65px -12px 55px;
}

@media (max-width: 767px) {
    .elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa {
        font-size: 16px;
        line-height: 1.6;
    }

    .elementor-30842 .elementor-element.elementor-element-76ac288 .etbd-qa .page-break {
        margin: 35px 0;
    }
}
```/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-829e9a6 */.nxqdl26-widget {--nxqdl26-primary: #4f46e5;--nxqdl26-secondary: #7c3aed;--nxqdl26-success: #047857;--nxqdl26-surface: #f8fafc;--nxqdl26-border: #e2e8f0;--nxqdl26-text: #1e293b;--nxqdl26-muted: #475569;--nxqdl26-radius: 14px;display: block;position: relative;width: 100%;max-width: 100%;margin: 16px 0;padding: 0;color: var(--nxqdl26-text);font-family: inherit;font-size: 16px;line-height: 1.5;text-align: left;box-sizing: border-box;}.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {box-sizing: border-box;}.nxqdl26-widget .nxqdl26-button {appearance: none;-webkit-appearance: none;display: flex;align-items: center;justify-content: center;gap: 10px;width: 100%;min-height: 52px;margin: 0;padding: 14px 22px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;font-family: inherit;font-size: 17px;font-weight: 700;line-height: 1.3;text-align: center;text-decoration: none;text-transform: none;box-shadow: 0 6px 18px rgba(79, 70, 229, 0.24);cursor: pointer;transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-button:hover {background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;transform: translateY(-2px);box-shadow: 0 10px 24px rgba(79, 70, 229, 0.32);filter: brightness(1.05);}.nxqdl26-widget .nxqdl26-button:active {transform: translateY(0);}.nxqdl26-widget .nxqdl26-button:focus-visible {outline: 3px solid var(--nxqdl26-primary);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-button:disabled {background: #475569;color: #fff;box-shadow: none;cursor: wait;transform: none;filter: none;}.nxqdl26-widget .nxqdl26-icon {display: block;flex: 0 0 22px;width: 22px;height: 22px;fill: none;stroke: currentColor;stroke-width: 2;stroke-linecap: round;stroke-linejoin: round;}.nxqdl26-widget .nxqdl26-panel {display: none !important;width: 100%;margin: 12px 0 0;padding: 16px;background: var(--nxqdl26-surface);border: 1px solid var(--nxqdl26-border);border-radius: var(--nxqdl26-radius);animation: nxqdl26-appear 0.25s ease both;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-visible {display: block !important;}.nxqdl26-widget .nxqdl26-top {display: flex;align-items: center;gap: 14px;width: 100%;}.nxqdl26-widget .nxqdl26-timer {display: flex;flex: 0 0 64px;flex-direction: column;align-items: flex-start;min-width: 0;}.nxqdl26-widget .nxqdl26-number {display: block;color: var(--nxqdl26-primary);font-size: 32px;font-weight: 800;line-height: 1.1;font-variant-numeric: tabular-nums;}.nxqdl26-widget .nxqdl26-unit {display: block;margin-top: 2px;color: var(--nxqdl26-muted);font-size: 12px;line-height: 1.3;}.nxqdl26-widget .nxqdl26-message {flex: 1 1 auto;min-width: 0;margin: 0;color: var(--nxqdl26-text);font-size: 15px;font-weight: 600;line-height: 1.5;overflow-wrap: anywhere;}.nxqdl26-widget .nxqdl26-progress {display: block;width: 100%;height: 10px;margin-top: 14px;overflow: hidden;border-radius: 999px;background: #e2e8f0;}.nxqdl26-widget .nxqdl26-progress-fill {display: block;width: 100%;height: 100%;border-radius: inherit;background: linear-gradient( 90deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );transform: scaleX(0);transform-origin: left center;transition: transform 0.1s linear;}.nxqdl26-widget .nxqdl26-final-link {display: flex;align-items: center;justify-content: center;width: 100%;min-height: 48px;margin-top: 14px;padding: 12px 18px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient(120deg, #047857, #065f46);color: #fff;font-size: 16px;font-weight: 700;line-height: 1.4;text-align: center;text-decoration: none;box-shadow: 0 5px 14px rgba(4, 120, 87, 0.2);transition: transform 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-final-link:hover, .nxqdl26-widget .nxqdl26-final-link:visited {color: #fff;text-decoration: none;}.nxqdl26-widget .nxqdl26-final-link:hover {transform: translateY(-2px);filter: brightness(1.08);}.nxqdl26-widget .nxqdl26-final-link:focus-visible {outline: 3px solid var(--nxqdl26-success);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-timer {display: none;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-progress-fill {background: linear-gradient(90deg, #047857, #065f46);}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error {background: #fef2f2;border-color: #fecaca;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-message {color: #991b1b;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-timer, .nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-progress {display: none;}@keyframes nxqdl26-appear {from {opacity: 0;transform: translateY(-5px);}to {opacity: 1;transform: translateY(0);}}@media (max-width: 480px) {.nxqdl26-widget .nxqdl26-button {padding: 13px 16px;font-size: 16px;}.nxqdl26-widget .nxqdl26-panel {padding: 14px;}.nxqdl26-widget .nxqdl26-number {font-size: 28px;}.nxqdl26-widget .nxqdl26-timer {flex-basis: 56px;}.nxqdl26-widget .nxqdl26-top {gap: 10px;}}@media (prefers-reduced-motion: reduce) {.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {animation: none !important;transition: none !important;}}/* End custom CSS */
/* Start custom CSS for heading, class: .elementor-element-0640f2e */.elementor-30842 .elementor-element.elementor-element-0640f2e { position: relative; display: block; width: 100%; box-sizing: border-box; padding: 8px 20px !important; background: linear-gradient(90deg, #e6f6ff 0%, #ffffff 50%, #e6f6ff 100%); border: 2px solid #0878ce; border-bottom: 7px solid #0878ce; border-radius: 0 55px 55px 0; box-shadow: inset 0 0 0 4px #d5efff; overflow: hidden; } .elementor-30842 .elementor-element.elementor-element-0640f2e .elementor-heading-title { font-family: Arial, sans-serif; font-size: clamp(24px, 3.5vw, 56px); line-height: 1.15; font-weight: 800; color: #07145f; text-align: center; margin: 0 !important; padding: 0 !important; } .elementor-30842 .elementor-element.elementor-element-0640f2e .chemical-red { color: #df251c; } @media (max-width: 767px) { .elementor-30842 .elementor-element.elementor-element-0640f2e { padding: 8px 12px !important; } .elementor-30842 .elementor-element.elementor-element-0640f2e .elementor-heading-title { font-size: 25px; line-height: 1.2; } }/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-309d2a3 */css .elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa {font-family: "Noto Serif Bengali", "SolaimanLipi", serif;font-size: 16px;line-height: 1.65;color: #111;overflow-wrap: break-word;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa p {margin: 0 0 10px;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa .question {font-weight: 700;color: #111;margin-top: 8px;margin-bottom: 5px;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa .question:first-child {margin-top: 0;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa .board {color: #ff2929;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa .answer {color: #00aeef;font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa sup {font-size: 0.72em;line-height: 0;vertical-align: super;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa i {font-family: "Times New Roman", serif;}@media (max-width: 767px) {.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa {font-size: 15px;line-height: 1.6;}.elementor-30842 .elementor-element.elementor-element-309d2a3 .etbd-qa p {margin-bottom: 9px;}}/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-4e648ef */```css .elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa {font-family: "Noto Serif Bengali", "SolaimanLipi", serif;font-size: 16px;line-height: 1.65;color: #111;overflow-wrap: break-word;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa p {margin: 0 0 10px;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa .question {font-weight: 700;color: #111;margin-top: 8px;margin-bottom: 5px;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa .question:first-child {margin-top: 0;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa .board {color: #ff2929;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa .answer {color: #00aeef;font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa sup {font-size: 0.72em;line-height: 0;vertical-align: super;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa i {font-family: "Times New Roman", serif;}@media (max-width: 767px) {.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa {font-size: 15px;line-height: 1.6;}.elementor-30842 .elementor-element.elementor-element-4e648ef .etbd-qa p {margin-bottom: 9px;}}```/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-ab03b0b */css .elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa {font-family: "Noto Serif Bengali", "SolaimanLipi", serif;font-size: 16px;line-height: 1.65;color: #111;overflow-wrap: break-word;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa p {margin: 0 0 10px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .question {font-weight: 700;color: #111;margin-top: 12px;margin-bottom: 5px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .question:first-child {margin-top: 0;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .board {color: #ff2929;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .answer {color: #00aeef;font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa sup {font-size: 0.72em;line-height: 0;vertical-align: super;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa i {font-family: "Times New Roman", serif;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .formula {display: inline;margin-left: 4px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .equation {text-align: center;margin: 14px 0;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .fraction {display: inline-flex;flex-direction: column;vertical-align: middle;text-align: center;font-size: 0.9em;line-height: 1.25;margin: 0 3px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .fraction span:first-child {border-bottom: 1px solid #111;padding: 0 4px 2px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .fraction span:last-child {padding: 2px 4px 0;}@media (max-width: 767px) {.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa {font-size: 15px;line-height: 1.6;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa p {margin-bottom: 9px;}.elementor-30842 .elementor-element.elementor-element-ab03b0b .etbd-qa .question {margin-top: 10px;}}/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-23610d9 */.nxqdl26-widget {--nxqdl26-primary: #4f46e5;--nxqdl26-secondary: #7c3aed;--nxqdl26-success: #047857;--nxqdl26-surface: #f8fafc;--nxqdl26-border: #e2e8f0;--nxqdl26-text: #1e293b;--nxqdl26-muted: #475569;--nxqdl26-radius: 14px;display: block;position: relative;width: 100%;max-width: 100%;margin: 16px 0;padding: 0;color: var(--nxqdl26-text);font-family: inherit;font-size: 16px;line-height: 1.5;text-align: left;box-sizing: border-box;}.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {box-sizing: border-box;}.nxqdl26-widget .nxqdl26-button {appearance: none;-webkit-appearance: none;display: flex;align-items: center;justify-content: center;gap: 10px;width: 100%;min-height: 52px;margin: 0;padding: 14px 22px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;font-family: inherit;font-size: 17px;font-weight: 700;line-height: 1.3;text-align: center;text-decoration: none;text-transform: none;box-shadow: 0 6px 18px rgba(79, 70, 229, 0.24);cursor: pointer;transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-button:hover {background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;transform: translateY(-2px);box-shadow: 0 10px 24px rgba(79, 70, 229, 0.32);filter: brightness(1.05);}.nxqdl26-widget .nxqdl26-button:active {transform: translateY(0);}.nxqdl26-widget .nxqdl26-button:focus-visible {outline: 3px solid var(--nxqdl26-primary);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-button:disabled {background: #475569;color: #fff;box-shadow: none;cursor: wait;transform: none;filter: none;}.nxqdl26-widget .nxqdl26-icon {display: block;flex: 0 0 22px;width: 22px;height: 22px;fill: none;stroke: currentColor;stroke-width: 2;stroke-linecap: round;stroke-linejoin: round;}.nxqdl26-widget .nxqdl26-panel {display: none !important;width: 100%;margin: 12px 0 0;padding: 16px;background: var(--nxqdl26-surface);border: 1px solid var(--nxqdl26-border);border-radius: var(--nxqdl26-radius);animation: nxqdl26-appear 0.25s ease both;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-visible {display: block !important;}.nxqdl26-widget .nxqdl26-top {display: flex;align-items: center;gap: 14px;width: 100%;}.nxqdl26-widget .nxqdl26-timer {display: flex;flex: 0 0 64px;flex-direction: column;align-items: flex-start;min-width: 0;}.nxqdl26-widget .nxqdl26-number {display: block;color: var(--nxqdl26-primary);font-size: 32px;font-weight: 800;line-height: 1.1;font-variant-numeric: tabular-nums;}.nxqdl26-widget .nxqdl26-unit {display: block;margin-top: 2px;color: var(--nxqdl26-muted);font-size: 12px;line-height: 1.3;}.nxqdl26-widget .nxqdl26-message {flex: 1 1 auto;min-width: 0;margin: 0;color: var(--nxqdl26-text);font-size: 15px;font-weight: 600;line-height: 1.5;overflow-wrap: anywhere;}.nxqdl26-widget .nxqdl26-progress {display: block;width: 100%;height: 10px;margin-top: 14px;overflow: hidden;border-radius: 999px;background: #e2e8f0;}.nxqdl26-widget .nxqdl26-progress-fill {display: block;width: 100%;height: 100%;border-radius: inherit;background: linear-gradient( 90deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );transform: scaleX(0);transform-origin: left center;transition: transform 0.1s linear;}.nxqdl26-widget .nxqdl26-final-link {display: flex;align-items: center;justify-content: center;width: 100%;min-height: 48px;margin-top: 14px;padding: 12px 18px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient(120deg, #047857, #065f46);color: #fff;font-size: 16px;font-weight: 700;line-height: 1.4;text-align: center;text-decoration: none;box-shadow: 0 5px 14px rgba(4, 120, 87, 0.2);transition: transform 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-final-link:hover, .nxqdl26-widget .nxqdl26-final-link:visited {color: #fff;text-decoration: none;}.nxqdl26-widget .nxqdl26-final-link:hover {transform: translateY(-2px);filter: brightness(1.08);}.nxqdl26-widget .nxqdl26-final-link:focus-visible {outline: 3px solid var(--nxqdl26-success);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-timer {display: none;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-progress-fill {background: linear-gradient(90deg, #047857, #065f46);}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error {background: #fef2f2;border-color: #fecaca;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-message {color: #991b1b;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-timer, .nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-progress {display: none;}@keyframes nxqdl26-appear {from {opacity: 0;transform: translateY(-5px);}to {opacity: 1;transform: translateY(0);}}@media (max-width: 480px) {.nxqdl26-widget .nxqdl26-button {padding: 13px 16px;font-size: 16px;}.nxqdl26-widget .nxqdl26-panel {padding: 14px;}.nxqdl26-widget .nxqdl26-number {font-size: 28px;}.nxqdl26-widget .nxqdl26-timer {flex-basis: 56px;}.nxqdl26-widget .nxqdl26-top {gap: 10px;}}@media (prefers-reduced-motion: reduce) {.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {animation: none !important;transition: none !important;}}/* End custom CSS */
/* Start custom CSS for heading, class: .elementor-element-049a671 */.elementor-30842 .elementor-element.elementor-element-049a671 { position: relative; display: block; width: 100%; box-sizing: border-box; padding: 8px 20px !important; background: linear-gradient(90deg, #e6f6ff 0%, #ffffff 50%, #e6f6ff 100%); border: 2px solid #0878ce; border-bottom: 7px solid #0878ce; border-radius: 0 55px 55px 0; box-shadow: inset 0 0 0 4px #d5efff; overflow: hidden; } .elementor-30842 .elementor-element.elementor-element-049a671 .elementor-heading-title { font-family: Arial, sans-serif; font-size: clamp(24px, 3.5vw, 56px); line-height: 1.15; font-weight: 800; color: #07145f; text-align: center; margin: 0 !important; padding: 0 !important; } .elementor-30842 .elementor-element.elementor-element-049a671 .chemical-red { color: #df251c; } @media (max-width: 767px) { .elementor-30842 .elementor-element.elementor-element-049a671 { padding: 8px 12px !important; } .elementor-30842 .elementor-element.elementor-element-049a671 .elementor-heading-title { font-size: 25px; line-height: 1.2; } }/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-cf27ce3 */```css .elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa {font-family: "Noto Serif Bengali", "SolaimanLipi", serif;font-size: 16px;line-height: 1.65;color: #111;overflow-wrap: break-word;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa p {margin: 0 0 10px;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .question {font-weight: 700;color: #111;margin-top: 12px;margin-bottom: 5px;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .question:first-child {margin-top: 0;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .board {color: #ff2929;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .answer {color: #00aeef;font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa sup {font-size: 0.72em;line-height: 0;vertical-align: super;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa i {font-family: "Times New Roman", serif;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .equation {text-align: center;margin: 14px 0;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .fraction {display: inline-flex;flex-direction: column;vertical-align: middle;text-align: center;font-size: 0.9em;line-height: 1.25;margin: 0 3px;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .fraction span:first-child {border-bottom: 1px solid #111;padding: 0 4px 2px;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .fraction span:last-child {padding: 2px 4px 0;}@media (max-width: 767px) {.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa {font-size: 15px;line-height: 1.6;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa p {margin-bottom: 9px;}.elementor-30842 .elementor-element.elementor-element-cf27ce3 .etbd-qa .question {margin-top: 10px;}}```/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-22cbfd9 */```css .elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa {font-family: "Noto Serif Bengali", "SolaimanLipi", serif;font-size: 16px;line-height: 1.65;color: #111;overflow-wrap: break-word;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa p {margin: 0 0 10px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .question {font-weight: 700;color: #111;margin-top: 12px;margin-bottom: 5px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .question:first-child {margin-top: 0;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .board {color: #ff2929;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .answer {color: #00aeef;font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa sup {font-size: 0.72em;line-height: 0;vertical-align: super;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table {width: 100%;border-collapse: collapse;margin: 8px 0 14px;table-layout: fixed;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table th, .elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table td {border: 1px solid #555;padding: 7px 8px;text-align: left;vertical-align: top;font-weight: 400;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table th {font-weight: 700;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .equation {text-align: center;margin: 14px 0;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .fraction {display: inline-flex;flex-direction: column;vertical-align: middle;text-align: center;font-size: 0.9em;line-height: 1.25;margin: 0 3px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .fraction span:first-child {border-bottom: 1px solid #111;padding: 0 4px 2px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .fraction span:last-child {padding: 2px 4px 0;}@media (max-width: 767px) {.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa {font-size: 15px;line-height: 1.6;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa p {margin-bottom: 9px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .question {margin-top: 10px;}.elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table th, .elementor-30842 .elementor-element.elementor-element-22cbfd9 .etbd-qa .etbd-table td {padding: 5px;overflow-wrap: anywhere;}}```/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-254a53e */.nxqdl26-widget {--nxqdl26-primary: #4f46e5;--nxqdl26-secondary: #7c3aed;--nxqdl26-success: #047857;--nxqdl26-surface: #f8fafc;--nxqdl26-border: #e2e8f0;--nxqdl26-text: #1e293b;--nxqdl26-muted: #475569;--nxqdl26-radius: 14px;display: block;position: relative;width: 100%;max-width: 100%;margin: 16px 0;padding: 0;color: var(--nxqdl26-text);font-family: inherit;font-size: 16px;line-height: 1.5;text-align: left;box-sizing: border-box;}.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {box-sizing: border-box;}.nxqdl26-widget .nxqdl26-button {appearance: none;-webkit-appearance: none;display: flex;align-items: center;justify-content: center;gap: 10px;width: 100%;min-height: 52px;margin: 0;padding: 14px 22px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;font-family: inherit;font-size: 17px;font-weight: 700;line-height: 1.3;text-align: center;text-decoration: none;text-transform: none;box-shadow: 0 6px 18px rgba(79, 70, 229, 0.24);cursor: pointer;transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-button:hover {background: linear-gradient( 120deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );color: #fff;transform: translateY(-2px);box-shadow: 0 10px 24px rgba(79, 70, 229, 0.32);filter: brightness(1.05);}.nxqdl26-widget .nxqdl26-button:active {transform: translateY(0);}.nxqdl26-widget .nxqdl26-button:focus-visible {outline: 3px solid var(--nxqdl26-primary);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-button:disabled {background: #475569;color: #fff;box-shadow: none;cursor: wait;transform: none;filter: none;}.nxqdl26-widget .nxqdl26-icon {display: block;flex: 0 0 22px;width: 22px;height: 22px;fill: none;stroke: currentColor;stroke-width: 2;stroke-linecap: round;stroke-linejoin: round;}.nxqdl26-widget .nxqdl26-panel {display: none !important;width: 100%;margin: 12px 0 0;padding: 16px;background: var(--nxqdl26-surface);border: 1px solid var(--nxqdl26-border);border-radius: var(--nxqdl26-radius);animation: nxqdl26-appear 0.25s ease both;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-visible {display: block !important;}.nxqdl26-widget .nxqdl26-top {display: flex;align-items: center;gap: 14px;width: 100%;}.nxqdl26-widget .nxqdl26-timer {display: flex;flex: 0 0 64px;flex-direction: column;align-items: flex-start;min-width: 0;}.nxqdl26-widget .nxqdl26-number {display: block;color: var(--nxqdl26-primary);font-size: 32px;font-weight: 800;line-height: 1.1;font-variant-numeric: tabular-nums;}.nxqdl26-widget .nxqdl26-unit {display: block;margin-top: 2px;color: var(--nxqdl26-muted);font-size: 12px;line-height: 1.3;}.nxqdl26-widget .nxqdl26-message {flex: 1 1 auto;min-width: 0;margin: 0;color: var(--nxqdl26-text);font-size: 15px;font-weight: 600;line-height: 1.5;overflow-wrap: anywhere;}.nxqdl26-widget .nxqdl26-progress {display: block;width: 100%;height: 10px;margin-top: 14px;overflow: hidden;border-radius: 999px;background: #e2e8f0;}.nxqdl26-widget .nxqdl26-progress-fill {display: block;width: 100%;height: 100%;border-radius: inherit;background: linear-gradient( 90deg, var(--nxqdl26-primary), var(--nxqdl26-secondary) );transform: scaleX(0);transform-origin: left center;transition: transform 0.1s linear;}.nxqdl26-widget .nxqdl26-final-link {display: flex;align-items: center;justify-content: center;width: 100%;min-height: 48px;margin-top: 14px;padding: 12px 18px;border: 0;border-radius: var(--nxqdl26-radius);background: linear-gradient(120deg, #047857, #065f46);color: #fff;font-size: 16px;font-weight: 700;line-height: 1.4;text-align: center;text-decoration: none;box-shadow: 0 5px 14px rgba(4, 120, 87, 0.2);transition: transform 0.2s ease, filter 0.2s ease;}.nxqdl26-widget .nxqdl26-final-link:hover, .nxqdl26-widget .nxqdl26-final-link:visited {color: #fff;text-decoration: none;}.nxqdl26-widget .nxqdl26-final-link:hover {transform: translateY(-2px);filter: brightness(1.08);}.nxqdl26-widget .nxqdl26-final-link:focus-visible {outline: 3px solid var(--nxqdl26-success);outline-offset: 3px;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-timer {display: none;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-ready .nxqdl26-progress-fill {background: linear-gradient(90deg, #047857, #065f46);}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error {background: #fef2f2;border-color: #fecaca;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-message {color: #991b1b;}.nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-timer, .nxqdl26-widget .nxqdl26-panel.nxqdl26-error .nxqdl26-progress {display: none;}@keyframes nxqdl26-appear {from {opacity: 0;transform: translateY(-5px);}to {opacity: 1;transform: translateY(0);}}@media (max-width: 480px) {.nxqdl26-widget .nxqdl26-button {padding: 13px 16px;font-size: 16px;}.nxqdl26-widget .nxqdl26-panel {padding: 14px;}.nxqdl26-widget .nxqdl26-number {font-size: 28px;}.nxqdl26-widget .nxqdl26-timer {flex-basis: 56px;}.nxqdl26-widget .nxqdl26-top {gap: 10px;}}@media (prefers-reduced-motion: reduce) {.nxqdl26-widget *, .nxqdl26-widget *::before, .nxqdl26-widget *::after {animation: none !important;transition: none !important;}}/* End custom CSS */