/* 工具 06 · 背调指南·入职前自查
   独立视觉：卷宗档案袋（牛皮纸底 + 藏青字 + 铜金编号），可折叠清单 + 进度环汇总。 */
.bc {
    --a1: #26456b; --a1b: #ad8538; --a1s: #e9eef5; --a1i: #1c3657;
    --a2: #8ab4e6; --a2b: #e5c274; --a2s: rgba(138, 180, 230, .15); --a2i: #b3d2f2;
    --h15-h1: clamp(29px, 3.5vw, 40px);
}
.bc .bc-h1 { font-family: var(--h15-font-serif); font-weight: 700; letter-spacing: .02em; }
.bc-hero {
    padding-right: 170px;
    background:
        repeating-linear-gradient(135deg, transparent 0 18px, rgba(173, 133, 56, .045) 18px 19px),
        radial-gradient(600px 240px at 90% -20%, rgba(173, 133, 56, .18), transparent 72%),
        linear-gradient(120deg, #fbf7ec 0%, #f4edda 100%);
    border-color: #e4d7b6;
}
.bc-hero::before { background: repeating-linear-gradient(180deg, var(--a1) 0 16px, transparent 16px 23px); }
:root[data-theme="dark"] .bc .bc-hero { background: repeating-linear-gradient(135deg, transparent 0 18px, rgba(229, 194, 116, .04) 18px 19px), linear-gradient(120deg, #17202a 0%, #1d2530 100%); border-color: #3a3a2e; }
.bc-folder { position: absolute; right: 26px; top: 34px; padding: 9px 14px; border: 2px solid var(--a1b); color: var(--a1b); font-family: var(--h15-font-num); font-size: 12px; font-weight: 800; letter-spacing: .12em; transform: rotate(8deg); opacity: .72; border-radius: 4px; }
@media (max-width: 620px) { .bc-hero { padding-right: 22px; } .bc-folder { display: none; } }
.bc-quick { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.bc-quick-state { font-family: var(--h15-font-num); font-size: var(--h15-fs-13); font-weight: 700; color: var(--h15-accent-ink); }

.bc-desk { display: grid; grid-template-columns: minmax(0, 1fr) 326px; gap: 18px; align-items: start; }
@media (max-width: 980px) { .bc-desk { grid-template-columns: 1fr; } .bc-summary { position: static !important; } }
.bc-summary { position: sticky; top: 18px; display: grid; gap: 16px; }

.bc-list { display: grid; gap: 12px; }
.bc-group { border: 1px solid var(--h15-line); border-radius: 14px; background: var(--h15-card); overflow: hidden; box-shadow: var(--h15-shadow-sm); }
.bc-group > summary { display: flex; align-items: center; gap: 11px; padding: 13px 18px; cursor: pointer; list-style: none; background: var(--h15-card-2); border-bottom: 1px solid transparent; }
.bc-group[open] > summary { border-bottom-color: var(--h15-line); }
.bc-group > summary::-webkit-details-marker { display: none; }
.bc-gno { font-family: var(--h15-font-num); font-size: var(--h15-fs-13); font-weight: 800; color: #fff; background: var(--h15-accent); border-radius: 6px; padding: 2px 8px; }
.bc-gname { font-size: var(--h15-fs-15); font-weight: 750; color: var(--h15-ink); }
.bc-gprog { margin-left: auto; font-family: var(--h15-font-num); font-size: var(--h15-fs-12); color: var(--h15-ink-3); }
.bc-garrow { color: var(--h15-ink-3); font-size: 12px; }
.bc-items { padding: 6px 18px 14px; }
.bc-item { padding: 12px 0; border-bottom: 1px dashed var(--h15-line-2); }
.bc-item:last-child { border-bottom: 0; }
.bc-item-head { display: flex; align-items: flex-start; gap: 10px; }
.bc-ino { flex: none; font-family: var(--h15-font-num); font-size: var(--h15-fs-12); color: var(--h15-ink-3); padding-top: 3px; }
.bc-item-head > div { flex: 1; min-width: 0; }
.bc-item-t { display: block; font-size: var(--h15-fs-14); font-weight: 700; color: var(--h15-ink); }
.bc-item-d { margin: 2px 0 0; font-size: var(--h15-fs-12); color: var(--h15-ink-3); line-height: 1.65; }
.bc-w { flex: none; padding: 2px 8px; border-radius: 999px; background: rgba(173, 133, 56, .13); color: #96702c; font-size: var(--h15-fs-11); font-weight: 700; }
:root[data-theme="dark"] .bc .bc-w { color: var(--a2b); background: rgba(229, 194, 116, .12); }
.bc-states { display: flex; flex-wrap: wrap; gap: 6px; margin: 9px 0 7px 27px; }
.bc-states button { padding: 4px 12px; border: 1px solid var(--h15-line); border-radius: 999px; background: var(--h15-card); color: var(--h15-ink-2); font-family: inherit; font-size: var(--h15-fs-12); cursor: pointer; }
.bc-states button[data-s="done"].is-on { background: rgba(28, 138, 99, .15); border-color: var(--h15-ok); color: var(--h15-ok); font-weight: 700; }
.bc-states button[data-s="todo"].is-on { background: rgba(184, 121, 28, .14); border-color: var(--h15-warn); color: var(--h15-warn); font-weight: 700; }
.bc-states button[data-s="risk"].is-on { background: rgba(192, 69, 59, .13); border-color: var(--h15-bad); color: var(--h15-bad); font-weight: 700; }
.bc-note { margin-left: 27px; width: calc(100% - 27px); padding: 6px 10px; font-size: var(--h15-fs-12); }
.bc-item.has-err .bc-note { border-color: var(--h15-bad); }

.bc-ring-wrap { position: relative; width: 150px; height: 150px; margin: 4px auto 14px; }
.bc-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.bc-ring-bg, .bc-ring-fg { fill: none; stroke-width: 11; }
.bc-ring-bg { stroke: var(--h15-line-2); }
.bc-ring-fg { stroke: var(--h15-accent); stroke-linecap: round; stroke-dasharray: 351.86; stroke-dashoffset: 351.86; transition: stroke-dashoffset .3s; }
.bc-ring-text { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.bc-ring-text b { font-size: 28px; color: var(--h15-accent-ink); line-height: 1.2; }
.bc-ring-text span { font-size: var(--h15-fs-12); color: var(--h15-ink-3); }
.bc-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bc-risk-list { margin: 14px 0 0; max-height: 160px; overflow: auto; }
.bc-risk-list .h15-hint { margin: 0; }
.bc-risk-item { padding: 7px 9px; margin-bottom: 5px; border-left: 3px solid var(--h15-bad); border-radius: 0 7px 7px 0; background: rgba(192, 69, 59, .07); font-size: var(--h15-fs-12); color: var(--h15-ink-2); line-height: 1.6; }
.bc-esc-label { display: flex; align-items: center; gap: 7px; margin: 14px 0 6px; }
.bc-esc-label .h15-select { width: 118px; padding: 5px 8px; }
.bc-disclaimer { margin-top: 20px; line-height: 1.9; }
.bc-faq .h15-faq-item { border-left: 3px solid rgba(173, 133, 56, .35); }
.bc-report-pre { margin: 0; white-space: pre-wrap; font-size: var(--h15-fs-13); line-height: 1.85; }