.kns-container{max-width:760px;margin:0 auto;width:100%;padding:0 16px;box-sizing:border-box;display:flex;flex-direction:column}.quiz-section{display:flex;flex-direction:column;width:100%}.question-card{padding:0;overflow:hidden;display:flex;flex-direction:column;background:var(--color-surface, #ffffff);border-radius:var(--radius-lg, 16px);box-shadow:var(--shadow-md, 0 4px 12px rgba(26, 77, 62, .08));border:1px solid rgba(26,77,62,.1)}.question-main-content{padding:24px 24px 16px}.question-row{display:flex;justify-content:space-between;align-items:center;gap:16px}.question-text{font-family:var(--font-body);color:var(--color-polder-green);font-size:1.45rem;line-height:1.35;margin:0;flex:1;font-weight:700}.question-image{width:100%;display:flex;align-items:center;justify-content:center;margin:12px 0 16px;background:transparent;border:none;overflow:visible}.question-image-frame{position:relative;display:inline-flex;align-items:center;justify-content:center;max-width:100%;min-width:min(260px,100%);min-height:160px;cursor:pointer;border-radius:var(--radius-md, 8px);overflow:hidden;border:1px solid rgba(26,77,62,.16);box-shadow:0 2px 8px #0000000f;background:var(--color-canvas-sand, #F7F5F0);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.question-image-frame:hover{border-color:var(--color-polder-green);box-shadow:0 4px 14px #1a4d3e1f;transform:translateY(-1px)}.question-image-frame:focus-visible{outline:2px solid var(--color-polder-green);outline-offset:2px}.question-image-frame img{display:block;max-width:100%;width:auto;height:auto;max-height:340px;object-fit:contain;opacity:0;transform:scale(.985);transition:opacity var(--motion-duration-macro-fast, .24s) var(--motion-ease-consular, cubic-bezier(.2, .8, .2, 1)),transform var(--motion-duration-macro-fast, .24s) var(--motion-ease-consular, cubic-bezier(.2, .8, .2, 1))}.question-image-frame.is-loaded img{opacity:1;transform:scale(1)}.image-zoom-badge{position:absolute;bottom:8px;right:8px;background:#1a4d3ee0;color:#fff;font-family:var(--font-mono, "Space Grotesk", sans-serif);font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:4px 8px;border-radius:var(--radius-sm, 4px);display:inline-flex;align-items:center;gap:4px;pointer-events:none;opacity:0;transition:opacity .2s ease}.question-image-frame:hover .image-zoom-badge,.question-image-frame:focus-visible .image-zoom-badge{opacity:1}.speak-btn{background:#1a4d3e0f;color:var(--color-polder-green);border:1.5px solid rgba(26,77,62,.2);width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s;flex-shrink:0;cursor:pointer}.speak-btn:hover{background:#fff;border-color:var(--color-polder-green);transform:scale(1.05)}.speak-btn.speaking{background:var(--color-polder-green);color:#fff}.options-grid{padding:16px 24px 24px;display:flex;flex-direction:column;gap:12px}.kns-container .options-grid>.option-btn:not(.correct):not(.wrong):not(.dimmed):nth-child(1){animation-delay:0ms}.kns-container .options-grid>.option-btn:not(.correct):not(.wrong):not(.dimmed):nth-child(2){animation-delay:30ms}.kns-container .options-grid>.option-btn:not(.correct):not(.wrong):not(.dimmed):nth-child(3){animation-delay:60ms}.kns-container .options-grid>.option-btn:not(.correct):not(.wrong):not(.dimmed):nth-child(4){animation-delay:90ms}.feedback-section{padding:16px 24px 24px;margin:0;border-top:1px solid rgba(0,0,0,.08)}@media(max-width:900px){.kns-container{padding:0;margin:0 auto;width:100%;flex:1;display:flex;flex-direction:column;min-height:0}.quiz-section{flex:1;display:flex;flex-direction:column;min-height:0}.question-card{flex:1;display:flex;flex-direction:column;justify-content:space-between;min-height:0;background:transparent!important;border:none!important;box-shadow:none!important}.question-main-content{padding:18px 16px;background:var(--color-surface, #ffffff);border-radius:var(--radius-lg, 16px);border:1px solid rgba(26,77,62,.1);box-shadow:var(--shadow-md, 0 4px 12px rgba(26, 77, 62, .08))}.question-text{font-size:1.25rem}.question-image{width:100%;margin:10px 0 14px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;box-shadow:none;overflow:visible}.question-image-frame{position:relative;display:inline-flex;align-items:center;justify-content:center;max-width:100%;min-width:min(220px,100%);min-height:130px;cursor:pointer;border-radius:10px;overflow:hidden;border:1px solid rgba(26,77,62,.16);box-shadow:0 2px 8px #0000000f;background:var(--color-canvas-sand, #F7F5F0)}.question-image-frame img{display:block;max-width:100%;width:auto;height:auto;max-height:min(270px,36vh);object-fit:contain}.image-zoom-badge{opacity:.85;padding:3px 6px;font-size:.68rem}.options-grid{margin-top:auto;padding:12px 0 0;gap:10px}.option-btn{background:var(--color-surface, #ffffff);border:1px solid rgba(26,77,62,.12);border-radius:12px;box-shadow:var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, .05));padding:14px 16px;min-height:50px}.option-btn:hover:not(:disabled){border-color:var(--color-polder-green);box-shadow:var(--shadow-md, 0 4px 12px rgba(26, 77, 62, .08))}.option-marker{width:30px;height:30px;font-size:.88rem;border-radius:8px}.option-text{font-size:1.05rem;font-weight:600}.feedback-section{margin-top:auto;padding:16px 14px;background:var(--color-surface, #ffffff);border-radius:var(--radius-lg, 16px);border:1px solid rgba(26,77,62,.1);box-shadow:var(--shadow-md, 0 4px 12px rgba(26, 77, 62, .08))}}@media(max-width:400px){.kns-container{padding:0}.question-main-content{padding:14px 12px}.question-text{font-size:1.15rem}.options-grid{gap:8px;padding-top:8px}.option-btn{padding:12px 14px;font-size:.95rem;min-height:46px}.feedback-section{padding:14px 12px}}.kns-lightbox-modal{display:flex;align-items:center;justify-content:center;padding:8px 0;width:100%}.kns-lightbox-img{max-width:100%;width:auto;height:auto;max-height:min(70vh,560px);object-fit:contain;border-radius:var(--radius-md, 8px);border:1px solid rgba(26,77,62,.16);box-shadow:var(--shadow-md)}@media(prefers-reduced-motion:reduce){.question-image-frame img{opacity:1!important;transform:none!important;transition:none!important}}