.view-wrapper {
    max-width: 920px;
    margin: 0 auto;
    padding: 30px 20px 60px 20px;
}
.article-header-box {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    padding: 24px 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.q-card {
    background: var(--color-white);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 22px 26px;
    margin-bottom: 20px;
    transition: border-color 0.2s;
    scroll-margin-top: 90px;
}
.q-card:hover {
    border-color: var(--primary-color);
}
.q-card[hidden], .question-pager[hidden] { display: none; }
.question-pager {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
    gap: 12px; padding: 15px 18px; margin: 0 0 20px; background: var(--color-white);
    border: 1px solid var(--border-soft); border-radius: 14px; scroll-margin-top: 90px;
}
.question-pager-status { font-size: 13px; font-weight: 700; color: #48484a; }
.question-pager-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.question-pager button {
    min-height: 40px; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 9px;
    background: var(--color-white); color: var(--primary-color); font: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
}
.question-pager button:hover:not(:disabled) { background: #e1f0ff; }
.question-pager button:disabled { color: #a1a1a6; cursor: default; background: var(--secondary-bg); }
.question-pager button:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }
@media (max-width: 600px) {
    .question-pager { padding: 13px; }
    .question-pager-actions { width: 100%; }
    .question-pager button { flex: 1; padding: 8px; }
}
.q-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.55;
    margin-bottom: 14px;
}
.q-choice-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}
.q-choice-item {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 14px;
    color: #333336;
    background: #fbfbfd;
    border: 1px solid var(--surface-muted);
    border-radius: 10px;
    padding: 9px 14px;
}
.choice-number-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 22px;
    width: 22px;
    min-width: 22px;
    height: 22px;
    min-height: 22px;
    aspect-ratio: 1 / 1;
    padding: 0;
    border: 1.5px solid #b8b8bd;
    border-radius: 50%;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 12px;
    font-weight: 800;
    line-height: 1;
    color: #5f6368;
}
.q-choice-text { flex: 1 1 auto; min-width: 0; line-height: 1.55; }
.btn-toggle-ans {
    background: var(--secondary-bg);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 700;
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-toggle-ans:hover {
    background: #e1f0ff;
    border-color: var(--primary-color);
}
.ans-box {
    display: none;
    margin-top: 14px;
    padding: 14px 18px;
    background: #f0f7ff;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-color);
}