.explain-card[data-v-7dbed436]{border-radius:var(--radius-lg);-webkit-box-shadow:var(--card-shadow-sm);box-shadow:var(--card-shadow-sm);border:var(--card-border);background:var(--bg-surface);-webkit-transition:var(--transition);transition:var(--transition)}.explain-card[data-v-7dbed436]:hover{-webkit-box-shadow:var(--card-shadow-md);box-shadow:var(--card-shadow-md);border-color:var(--accent-primary)}[data-v-7dbed436] .explain-card .el-card__header{background:linear-gradient(135deg,var(--bg-soft),var(--bg-surface));border-bottom:1px solid var(--border-light);padding:14px 20px}.collapse-title[data-v-7dbed436]{font-size:var(--font-size-md);color:var(--text-primary)}.custom-accordion[data-v-7dbed436]{border:1px solid var(--border-soft);border-radius:var(--radius-md);overflow:hidden}.accordion-item[data-v-7dbed436]{border-bottom:1px solid var(--divider)}.accordion-item[data-v-7dbed436]:last-child{border-bottom:none}.accordion-header[data-v-7dbed436]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;padding:14px 20px;cursor:pointer;color:var(--text-primary);font-weight:500;-webkit-transition:background .2s ease;transition:background .2s ease}.accordion-header[data-v-7dbed436]:hover{background:var(--bg-soft)}.accordion-arrow[data-v-7dbed436]{-webkit-transition:-webkit-transform .25s ease;transition:-webkit-transform .25s ease;transition:transform .25s ease;transition:transform .25s ease,-webkit-transform .25s ease;color:var(--text-muted);font-size:.9rem}.accordion-arrow.is-active[data-v-7dbed436]{-webkit-transform:rotate(90deg);transform:rotate(90deg)}.accordion-body[data-v-7dbed436]{background:var(--bg-surface)}.accordion-slide-enter-active[data-v-7dbed436],.accordion-slide-leave-active[data-v-7dbed436]{-webkit-transition:max-height .25s ease,opacity .2s ease;transition:max-height .25s ease,opacity .2s ease;overflow:hidden}.accordion-slide-enter[data-v-7dbed436],.accordion-slide-leave-to[data-v-7dbed436]{max-height:0;opacity:0}.accordion-slide-enter-to[data-v-7dbed436],.accordion-slide-leave[data-v-7dbed436]{max-height:500px;opacity:1}.dd-content[data-v-7dbed436]{padding:8px 20px}.dd-content p[data-v-7dbed436]{margin-bottom:12px;line-height:1.6;color:var(--text-secondary);font-size:var(--font-size-base);text-align:justify}.dd-content p[data-v-7dbed436]:last-child{margin-bottom:0}@media (max-width:768px){.dd-content p[data-v-7dbed436]{font-size:var(--font-size-sm)}}