.bana-answer-reaction{position:fixed;z-index:50;right:32px;bottom:28px;width:205px;height:205px;pointer-events:none;animation:banaReactionIn 1.85s cubic-bezier(.16,.84,.3,1) both}.bana-answer-reaction .reaction-glow{position:absolute;inset:15px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.98) 0 14%,rgba(143,235,255,.78) 37%,rgba(71,196,235,0) 73%);animation:banaGlow 1.35s ease-out both}.bana-answer-reaction.wrong .reaction-glow{background:radial-gradient(circle,rgba(255,255,255,.95) 0 16%,rgba(255,192,136,.52) 39%,rgba(255,178,125,0) 74%)}.bana-answer-reaction img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 14px 13px rgba(77,48,18,.24));animation:banaJump .72s cubic-bezier(.2,.85,.35,1.25) both}.reaction-spark{position:absolute;z-index:2;font-size:25px;animation:sparkFly 1.25s ease-out both}.reaction-spark.one{top:15px;left:8px}.reaction-spark.two{top:3px;right:20px;animation-delay:.08s}.reaction-spark.three{top:61px;right:-2px;animation-delay:.15s}.wrong .reaction-spark{font-size:22px}@keyframes banaReactionIn{0%{opacity:0;transform:translateY(38px) scale(.62)}14%{opacity:1;transform:translateY(0) scale(1)}76%{opacity:1;transform:translateY(-2px) scale(1)}100%{opacity:0;transform:translateY(-28px) scale(.9)}}@keyframes banaJump{0%{transform:translateY(25px) scale(.68) rotate(-6deg)}50%{transform:translateY(-20px) scale(1.05) rotate(3deg)}100%{transform:translateY(0) scale(1) rotate(0)}}@keyframes banaGlow{0%{opacity:0;transform:scale(.35)}42%{opacity:1;transform:scale(1.1)}100%{opacity:.15;transform:scale(1.42)}}@keyframes sparkFly{0%{opacity:0;transform:translateY(16px) scale(.4) rotate(0)}35%{opacity:1}100%{opacity:0;transform:translate(var(--fly-x,8px),-45px) scale(1.1) rotate(28deg)}}.reaction-spark.two{--fly-x:20px}.reaction-spark.three{--fly-x:15px}@media(max-width:700px){.bana-answer-reaction{right:12px;bottom:18px;width:160px;height:160px}.reaction-spark{font-size:20px}}
/* Student review book: a small quest rather than a plain answer list. */
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.review-mission .primary-small{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 17px;border:1px solid #7b4824;border-radius:13px;background:linear-gradient(135deg,#8b5129,#6f3d1e);color:#fff9e9;box-shadow:0 7px 14px rgba(102,61,19,.18),inset 0 1px rgba(255,255,255,.16);font:700 14px "Noto Sans SC",sans-serif;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.review-mission .primary-small:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 10px 19px rgba(102,61,19,.24),inset 0 1px rgba(255,255,255,.2)}
.review-mission .primary-small:active{transform:translateY(1px);box-shadow:0 4px 8px rgba(102,61,19,.18)}
@media(max-width:700px){.review-mission .primary-small{width:100%;margin-top:10px}.review-mission{grid-template-columns:32px 1fr}.review-mission .primary-small{grid-column:1/-1}}