.bk-sx-mask { position: fixed; inset: 0; z-index: 99990; background: rgba(0, 0, 0, .5); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 12px 12px; box-sizing: border-box; }
.bk-sx { --sx-bg: #fbf6ea; --sx-ink: #2b2118; --sx-ink2: #6b5d4a; --sx-line: #cdbf9f; --sx-acc: #b3402c; --sx-mark: rgba(179, 64, 44, .22);
  width: min(620px, 100%); max-height: 86vh; display: flex; flex-direction: column; box-sizing: border-box; background: var(--sx-bg); color: var(--sx-ink); border: 1px solid var(--sx-line); border-radius: 10px; box-shadow: 0 12px 40px rgba(0, 0, 0, .4); font: 15px/1.7 "Noto Serif SC", "Songti SC", SimSun, serif; }
[data-theme="dark"] .bk-sx { --sx-bg: #1f1c18; --sx-ink: #e6ddca; --sx-ink2: #b3a78f; --sx-line: #4a443a; --sx-acc: #e07a60; --sx-mark: rgba(224, 122, 96, .32); }
.bk-sx-hd { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px 6px; }
.bk-sx-hd b { font-size: 17px; letter-spacing: .06em; }
.bk-sx-form { display: flex; gap: 8px; padding: 4px 14px 0; }
.bk-sx-form input { flex: 1; min-width: 0; box-sizing: border-box; padding: 7px 10px; border: 1px solid var(--sx-line); border-radius: 6px; background: transparent; color: inherit; font: inherit; }
.bk-sx-form input:focus { outline: 2px solid var(--sx-acc); outline-offset: 1px; }
.bk-sx button { font: inherit; font-size: 14px; padding: 6px 14px; border-radius: 6px; border: 1px solid var(--sx-acc); background: transparent; color: var(--sx-acc); cursor: pointer; }
.bk-sx button.pri { background: var(--sx-acc); color: #fff; }
.bk-sx button:focus-visible { outline: 2px solid var(--sx-acc); outline-offset: 2px; }
.bk-sx button:disabled { opacity: .55; cursor: default; }
.bk-sx-status { margin: 6px 14px 4px; min-height: 1.5em; font-size: 13px; color: var(--sx-ink2); }
.bk-sx-status.err { color: #c0392b; }
[data-theme="dark"] .bk-sx-status.err { color: #ff8a73; }
.bk-sx-list { overflow: auto; padding: 0 14px 14px; -webkit-overflow-scrolling: touch; }
.bk-sx-g { margin: 8px 0 0; }
.bk-sx-g h3 { margin: 6px 0 4px; font-size: 15px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.bk-sx-g h3 small { font-weight: 400; font-size: 12px; color: var(--sx-ink2); }
.bk-sx-g ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.bk-sx .bk-sx-hit { display: block; width: 100%; text-align: left; padding: 6px 10px; border: 1px solid var(--sx-line); border-radius: 6px; background: transparent; color: var(--sx-ink); font-size: 14px; line-height: 1.65; }
.bk-sx .bk-sx-hit:hover, .bk-sx .bk-sx-hit:focus-visible { border-color: var(--sx-acc); outline: none; }
.bk-sx-hit mark { background: var(--sx-mark); color: inherit; padding: 0 1px; border-radius: 2px; }
.bk-sx-hit small { display: block; font-size: 12px; color: var(--sx-ink2); }
@media (max-width: 560px) {
  .bk-sx-mask { padding: 0; align-items: stretch; }
  .bk-sx { max-height: none; height: 100%; border-radius: 0; border: 0; }
}