/* 卷型选择、可悬停或点开的适用说明与动态专项课程目录。 */
.exam-track-picker{margin-bottom:36px}
.exam-track-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.exam-track-option{position:relative;border:1px solid var(--line);border-radius:8px;background:#fff}
.exam-track-option.is-selected{border-color:var(--accent);background:var(--accent-soft)}
.exam-track-choice{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;width:100%;min-height:122px;padding:23px 44px 23px 22px;border:0;border-radius:8px;background:transparent;text-align:left}
.exam-track-choice strong{font-size:19px;font-weight:600}
.exam-track-choice>span{font-size:12px;color:var(--muted)}
.exam-track-choice:hover{background:var(--quiet)}
.is-selected .exam-track-choice:hover{background:var(--accent-soft)}
.exam-track-choice .exam-track-selected{display:flex;align-items:center;gap:5px;color:var(--accent);position:absolute;right:16px;bottom:16px;font-size:12px}
.exam-track-selected svg{width:14px;height:14px}
.exam-track-info{position:absolute;right:12px;top:16px;display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:5px;background:transparent;color:var(--muted)}
.exam-track-info:hover{background:var(--accent-soft);color:var(--accent)}
.exam-track-details{position:absolute;top:calc(100% + 8px);left:0;width:360px;max-width:calc(100vw - 36px);padding:22px 24px;border:1px solid #d5ddeb;border-radius:8px;background:#fff;box-shadow:0 8px 24px #20263114;visibility:hidden;opacity:0;transform:translateY(-4px);transition:opacity .14s,transform .14s;pointer-events:none;z-index:8}
.exam-track-details::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.exam-track-details{display:flex;flex-direction:column;max-height:var(--track-tooltip-space,440px)}
.exam-track-option.details-above .exam-track-details{top:auto;bottom:calc(100% + 8px)}
.exam-track-option.details-above .exam-track-details::before{top:auto;bottom:-10px}
.exam-track-details>strong,.exam-track-details>ul{flex-shrink:0}
.exam-track-examples{min-height:0;max-height:280px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.exam-track-examples:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.exam-track-option:last-child .exam-track-details{left:auto;right:0}
.exam-track-option:not(.is-dismissed):is(:hover,:focus-within,.is-open){z-index:9}
.exam-track-option:not(.is-dismissed):is(:hover,:focus-within,.is-open) .exam-track-details{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}
.exam-track-details>strong{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.exam-track-details ul{margin:0;padding-left:18px}
.exam-track-details ul+strong{margin-top:16px}
.exam-track-details li{font-size:13px;line-height:1.9;color:var(--muted);overflow-wrap:anywhere}
.track-selection-error{color:var(--failure);font-size:13px;margin-top:12px}
.track-selection-error:empty{display:none}
.study-plan{margin-bottom:36px}
.study-plan-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.study-plan-group{min-width:0}
.study-plan-group h3{font-size:14px;font-weight:600;padding-bottom:10px;border-bottom:2px solid var(--line)}
.study-plan-group a,.study-plan-unavailable{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
.study-plan-group a:hover{color:var(--accent)}
.study-plan-state{display:flex;align-items:center;gap:8px;flex-shrink:0;color:var(--muted);font-size:11px}
.study-plan-state svg{width:13px;height:13px}
.study-plan-unavailable{color:var(--muted)}
.topics-layout .study-plan-groups{grid-template-columns:1fr}
.topics-layout .study-plan-group{margin-bottom:12px}
@media(max-width:820px){.study-plan-groups{gap:18px}.study-plan-state{gap:4px}.study-plan-state svg{display:none}}
@media(max-width:640px){
  .exam-track-options{grid-template-columns:1fr;gap:10px}
  .exam-track-choice{min-height:86px;padding:16px 82px 16px 18px;gap:4px}
  .exam-track-choice strong{font-size:17px}
  .exam-track-info{top:12px;right:12px}
  .exam-track-choice .exam-track-selected{right:16px;bottom:12px}
  .exam-track-details,.exam-track-option:last-child .exam-track-details{display:none;position:static;max-width:none;max-height:none;width:100%;box-shadow:none;border:0;border-top:1px solid var(--line);border-radius:0 0 8px 8px;padding:18px;transform:none}
  .exam-track-option:not(.is-dismissed):is(:focus-within,.is-open) .exam-track-details{display:flex;visibility:visible;opacity:1}
  .exam-track-details::before{display:none}
  .study-plan-groups{grid-template-columns:1fr;gap:22px}
  .study-plan-group a{font-size:14px}
  .study-plan-state svg{display:block}
}
@media(prefers-reduced-motion:reduce){.exam-track-details{transition:none;transform:none}}