/* ===== 同系列替换选择器 ===== */
.pkv5-qh { background: #fff; border: 1px solid var(--pk-line); border-radius: 12px; padding: 14px; margin-bottom: 14px; }
.pkv5-qh h4 {
    font-size: 13px; font-weight: 600; color: var(--pk-text-2); margin: 0 0 4px;
    display: flex; align-items: center; gap: 6px;
}
.pkv5-qh h4 .ico { width: 15px; height: 15px; color: var(--pk-primary); display: flex; }
.pkv5-qh .qh-sub { font-size: 11px; color: var(--pk-text-3); margin: 0 0 12px; line-height: 1.6; }
.pkv5-qh-cols { display: flex; align-items: stretch; gap: 8px; }
.pkv5-qh-col {
    flex: 1; min-width: 0; background: var(--pk-line-soft); border-radius: 10px;
    overflow: hidden; display: flex; flex-direction: column;
}
.pkv5-qh-col > .qh-head {
    font-size: 10.5px; color: var(--pk-text-3); text-align: center; padding: 7px 6px;
    border-bottom: 1px solid #fff; font-weight: 600;
}
.pkv5-qh-list {
    list-style: none; margin: 0; padding: 6px; max-height: 220px; overflow-y: auto;
    scrollbar-width: thin;
}
.pkv5-qh-list::-webkit-scrollbar { width: 3px; }
.pkv5-qh-list::-webkit-scrollbar-thumb { background: #d3d3de; border-radius: 3px; }
.pkv5-qh-opt {
    display: block; padding: 6px 6px; margin-bottom: 4px; background: #fff;
    border: 1px solid transparent; border-radius: 8px; text-align: center;
    font-size: 11.5px; font-weight: 600; color: var(--pk-text-1); text-decoration: none;
    line-height: 1.35; transition: all .15s;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pkv5-qh-opt:last-child { margin-bottom: 0; }
.pkv5-qh-opt:hover { border-color: var(--pk-primary); color: var(--pk-primary); }
.pkv5-qh-opt.is-current { background: var(--pk-primary-soft); color: var(--pk-primary); border-color: #dcd9ff; }
.pkv5-qh-mid { width: 18px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pkv5-qh-mid span {
    width: 20px; height: 20px; border-radius: 50%; background: var(--pk-primary-soft);
    color: var(--pk-primary); font-size: 9px; font-weight: 800; text-align: center;
    line-height: 20px; letter-spacing: .5px;
}
.pkv5-qh-empty { padding: 14px 6px; font-size: 11px; color: var(--pk-text-3); text-align: center; line-height: 1.6; }