/* ===========================================================
   赛博鸭子档案库 · THE CYBERDUCK ARCHIVE
   视觉基调：SCP 档案馆 / 冷档案纸 / 红色保密戳印 / 等宽字体
   =========================================================== */

:root {
  --paper: #efece4;
  --paper-2: #e7e3d9;
  --card: #f6f4ee;
  --ink: #16150f;
  --ink-2: #4a4739;
  --ink-3: #8a8574;
  --line: #cdc6b4;
  --line-2: #a8a08c;
  --red: #9c2215;
  --red-soft: #b5452f;
  --amber: #a06a12;
  --green: #3d6b3d;
  --blue: #2d4f78;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, "Noto Sans Mono CJK SC", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --serif: "Songti SC", "SimSun", "Noto Serif CJK SC", Georgia, serif;
  --shadow: 0 1px 0 rgba(0,0,0,.05), 0 12px 28px -22px rgba(0,0,0,.5);
  --stripe: repeating-linear-gradient(135deg, rgba(156,34,21,.055) 0 8px, transparent 8px 16px);
}

:root[data-theme="dark"] {
  --paper: #12120f;
  --paper-2: #171713;
  --card: #1a1a16;
  --ink: #e9e5d8;
  --ink-2: #b3ae9d;
  --ink-3: #7d7867;
  --line: #302f27;
  --line-2: #474537;
  --red: #d1493a;
  --red-soft: #c06251;
  --amber: #cf9a3d;
  --green: #6fa06f;
  --blue: #7ea3cf;
  --shadow: 0 1px 0 rgba(255,255,255,.03), 0 14px 32px -24px rgba(0,0,0,.9);
  --stripe: repeating-linear-gradient(135deg, rgba(209,73,58,.07) 0 8px, transparent 8px 16px);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(0,0,0,.028) 0 1px, transparent 1px),
    radial-gradient(circle at 78% 62%, rgba(0,0,0,.022) 0 1px, transparent 1px);
  background-size: 24px 24px, 31px 31px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.72;
  min-height: 100vh;
}

a { color: var(--red); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s; }
a:hover { border-bottom-color: currentColor; }

/* ─────────────── 顶栏 ─────────────── */

.topbar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto;
  padding: 0 22px; height: 56px;
  display: flex; align-items: center; gap: 22px;
}
.brand {
  display: flex; align-items: center; gap: 11px;
  font-family: var(--mono); font-weight: 700;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink); border: 0; white-space: nowrap;
}
.brand-mark {
  width: 26px; height: 26px; flex: 0 0 26px;
  border: 1.5px solid var(--red); border-radius: 50%;
  display: grid; place-items: center; position: relative;
}
.brand-mark::after {
  content: ""; width: 9px; height: 9px; border-radius: 50%;
  background: var(--red); opacity: .85;
}
.brand-mark::before {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid var(--line-2); opacity: .45;
}
.brand small {
  display: block; font-size: 9.5px; letter-spacing: .2em;
  color: var(--ink-3); font-weight: 400; margin-top: 1px;
}
.nav { display: flex; gap: 3px; margin-left: auto; }
.nav a {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .09em;
  text-transform: uppercase; padding: 7px 12px; border-radius: 4px;
  color: var(--ink-2); border: 0;
}
.nav a:hover { background: var(--paper-2); color: var(--ink); }
.nav a.on { background: var(--ink); color: var(--paper); }

/* ─────────────── 保密横幅 ─────────────── */

.classified {
  border-bottom: 1px solid var(--red);
  background: var(--stripe);
  color: var(--red);
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .26em; text-transform: uppercase;
  text-align: center; padding: 6px 12px;
  overflow: hidden; white-space: nowrap;
}

/* ─────────────── 容器 ─────────────── */

.wrap { max-width: 1180px; margin: 0 auto; padding: 34px 22px 90px; }
.wrap-narrow { max-width: 840px; }

/* ─────────────── 页头 ─────────────── */

.masthead { margin-bottom: 34px; padding-bottom: 24px; border-bottom: 2px solid var(--ink); }
.masthead .kicker {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px;
}
.masthead h1 {
  margin: 0 0 12px; font-family: var(--serif);
  font-size: clamp(28px, 4.4vw, 44px); font-weight: 700;
  line-height: 1.16; letter-spacing: -.015em;
}
.masthead .lede {
  margin: 0; max-width: 66ch; color: var(--ink-2); font-size: 16px;
}
.masthead .meta-row {
  display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 20px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em;
  color: var(--ink-3); text-transform: uppercase;
}
.masthead .meta-row b { color: var(--ink); font-weight: 600; }

/* ─────────────── 工具条 ─────────────── */

.toolbar {
  display: flex; flex-wrap: wrap; gap: 9px; align-items: center;
  margin-bottom: 22px;
}
.search {
  flex: 1 1 240px; display: flex; align-items: center; gap: 9px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 5px; padding: 0 12px; height: 38px;
}
.search svg { flex: 0 0 14px; opacity: .45; }
.search input {
  flex: 1; border: 0; background: transparent; outline: none;
  font-family: var(--mono); font-size: 13px; color: var(--ink);
}
.search input::placeholder { color: var(--ink-3); }
.chip {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em;
  padding: 8px 13px; border-radius: 4px; cursor: pointer;
  background: var(--card); border: 1px solid var(--line);
  color: var(--ink-2); white-space: nowrap; user-select: none;
}
.chip:hover { border-color: var(--line-2); color: var(--ink); }
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip .n { opacity: .55; margin-left: 5px; font-size: 10.5px; }

/* ─────────────── 档案条目卡 ─────────────── */

.entries { display: grid; gap: 12px; }

.entry-card {
  display: grid; grid-template-columns: 92px 1fr auto;
  gap: 0 20px; align-items: start;
  background: var(--card); border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: 5px; padding: 17px 20px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  position: relative;
}
.entry-card:hover {
  border-left-color: var(--red); border-color: var(--line-2);
  transform: translateX(2px); box-shadow: var(--shadow);
}
.entry-id {
  font-family: var(--mono); font-size: 13px; font-weight: 700;
  letter-spacing: .06em; color: var(--red);
  padding-top: 2px; white-space: nowrap;
}
.entry-body h2 {
  margin: 0 0 6px; font-family: var(--serif);
  font-size: 19px; font-weight: 700; line-height: 1.3;
}
.entry-body h2 a { color: var(--ink); border: 0; }
.entry-body h2 a:hover { color: var(--red); }
.entry-summary {
  margin: 0 0 10px; color: var(--ink-2); font-size: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.entry-foot {
  display: flex; flex-wrap: wrap; gap: 7px 14px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .04em; color: var(--ink-3);
}
.entry-foot .tag {
  background: var(--paper-2); padding: 1px 7px; border-radius: 3px;
  color: var(--ink-2); border: 1px solid var(--line);
}
.entry-right { text-align: right; padding-top: 2px; }

/* ─────────────── 徽标 ─────────────── */

.badge {
  display: inline-block; font-family: var(--mono);
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 3px; white-space: nowrap;
  border: 1px solid currentColor;
}
.badge.solved { color: var(--green); }
.badge.open { color: var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); }
.badge.partial { color: var(--amber); }
.badge.type { color: var(--ink-3); border-color: var(--line-2); }
.badge.class-safe { color: var(--green); }
.badge.class-euclid { color: var(--amber); }
.badge.class-keter { color: var(--red); }
.badge.class-unknown { color: var(--ink-3); }

/* ─────────────── 空状态 ─────────────── */

.empty {
  text-align: center; padding: 80px 24px;
  border: 1px dashed var(--line-2); border-radius: 6px;
  color: var(--ink-3);
}
.empty h3 { font-family: var(--serif); font-size: 20px; color: var(--ink-2); margin: 0 0 8px; }
.empty p { margin: 0 0 20px; font-size: 14px; max-width: 46ch; margin-inline: auto; }

/* ─────────────── 单条档案页 ─────────────── */

.doc {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 6px; overflow: hidden; box-shadow: var(--shadow);
}
.doc-head {
  padding: 26px 30px 22px; border-bottom: 1px solid var(--line);
  position: relative; background: var(--paper-2);
}
.doc-head::after {
  content: "ARCHIVE"; position: absolute; right: 22px; top: 18px;
  font-family: var(--mono); font-size: 9px; letter-spacing: .3em;
  color: var(--ink-3); opacity: .6;
  border: 1px solid var(--line-2); padding: 3px 8px; border-radius: 2px;
}
.doc-id {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  letter-spacing: .16em; color: var(--red); margin-bottom: 9px;
}
.doc-head h1 {
  margin: 0 0 4px; font-family: var(--serif);
  font-size: clamp(25px, 3.6vw, 34px); line-height: 1.22; font-weight: 700;
}
.doc-sub {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  letter-spacing: .05em; margin-bottom: 16px;
}
.doc-badges { display: flex; flex-wrap: wrap; gap: 7px; }

.doc-grid {
  display: grid; grid-template-columns: 190px 1fr;
  border-bottom: 1px solid var(--line);
}
.doc-meta {
  padding: 20px 22px; border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 55%, transparent);
  font-family: var(--mono); font-size: 11px;
}
.doc-meta dt {
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 15px;
}
.doc-meta dt:first-child { margin-top: 0; }
.doc-meta dd {
  margin: 3px 0 0; color: var(--ink); word-break: break-word;
  font-size: 12px; line-height: 1.55;
}
/* 时区标注 */
.tz-tag {
  display: inline-block; margin-left: 6px; padding: 0 5px;
  font-size: 9px; letter-spacing: .06em; line-height: 1.5;
  color: var(--ink-3); border: 1px solid var(--line-2);
  border-radius: 3px; vertical-align: 1px; white-space: nowrap;
}
.doc-body { padding: 24px 30px; }
.doc-body h3 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 10px; padding-bottom: 7px; border-bottom: 1px solid var(--line);
}
.doc-body p { margin: 0 0 15px; }
.doc-body .prose { font-size: 15.5px; line-height: 1.82; color: var(--ink); white-space: pre-wrap; }

/* 媒体 */
.media-list { display: grid; gap: 16px; }
.media-item { border: 1px solid var(--line); border-radius: 5px; overflow: hidden; background: #000; }
.media-item video, .media-item img { display: block; width: 100%; height: auto; max-height: 74vh; object-fit: contain; background: #000; }
.media-cap {
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
  padding: 8px 12px; background: var(--paper-2); border-top: 1px solid var(--line);
  letter-spacing: .03em;
}

/* 引用条目 */
.rel-list { display: flex; flex-wrap: wrap; gap: 7px; }
.rel {
  font-family: var(--mono); font-size: 11.5px;
  padding: 5px 10px; border-radius: 4px;
  background: var(--paper-2); border: 1px solid var(--line);
  color: var(--ink-2); border-bottom-width: 1px;
}
.rel:hover { border-color: var(--red); color: var(--red); }

/* 时间线 */
.tl { position: relative; padding-left: 20px; margin: 0; }
.tl::before { content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px; width: 1px; background: var(--line-2); }
.tl li { list-style: none; position: relative; padding: 0 0 15px 0; font-size: 13.5px; color: var(--ink-2); }
.tl li::before {
  content: ""; position: absolute; left: -20px; top: 8px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--paper); border: 1.5px solid var(--red-soft);
}
.tl li b { color: var(--ink); font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; display: block; margin-bottom: 2px; }

/* ─────────────── 关系图谱 ─────────────── */

.graph-shell {
  position: relative; height: calc(100vh - 56px - 32px);
  border: 1px solid var(--line); border-radius: 6px;
  overflow: hidden; background: var(--paper-2);
  background-image:
    linear-gradient(rgba(0,0,0,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.045) 1px, transparent 1px);
  background-size: 26px 26px;
}
:root[data-theme="dark"] .graph-shell {
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
}
#graph { display: block; width: 100%; height: 100%; cursor: grab; }
#graph.dragging { cursor: grabbing; }

/* 图谱筛选条 */
.graph-filter {
  display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center;
  margin-bottom: 12px; padding: 11px 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
}
.gf-group { display: flex; align-items: center; gap: 8px; min-width: 0; }
.gf-label {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-3); white-space: nowrap;
}
.gf-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.gf-chips .chip { padding: 5px 10px; font-size: 11px; }
.ghost-chip { margin-left: auto; }
.gf-count {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-3);
  margin-left: 12px; white-space: nowrap;
}
.gf-empty { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); opacity: .7; }

.graph-hud {
  position: absolute; left: 16px; top: 16px;
  display: flex; flex-direction: column; gap: 8px;
  max-width: 250px; pointer-events: none;
}
.hud-card {
  pointer-events: auto;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border: 1px solid var(--line); border-radius: 5px;
  padding: 11px 13px; box-shadow: var(--shadow);
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
}
.hud-card h4 {
  margin: 0 0 8px; font-size: 9.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 600;
}
.legend-item { display: flex; align-items: center; gap: 8px; padding: 2px 0; }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 9px; }
.legend-dot.tag { border-radius: 2px; transform: rotate(45deg); width: 7px; height: 7px; }
.hud-ctrl { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.hud-ctrl button {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  padding: 5px 9px; border-radius: 3px; cursor: pointer;
  background: var(--paper-2); border: 1px solid var(--line); color: var(--ink-2);
}
.hud-ctrl button:hover { border-color: var(--line-2); color: var(--ink); }
.hud-ctrl button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.graph-tip {
  position: absolute; pointer-events: none; opacity: 0;
  transition: opacity .12s; max-width: 260px;
  background: var(--ink); color: var(--paper);
  padding: 7px 11px; border-radius: 4px;
  font-family: var(--mono); font-size: 11px; line-height: 1.45;
  box-shadow: 0 8px 22px -12px rgba(0,0,0,.7); z-index: 20;
}
.graph-tip.show { opacity: 1; }
.graph-tip b { color: #fff; display: block; margin-bottom: 2px; }

/* ─────────────── 后台管理 ─────────────── */

.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 6px; margin-bottom: 18px; overflow: hidden;
}
.panel-head {
  padding: 13px 18px; border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .13em; text-transform: uppercase; color: var(--ink-2);
}
.panel-head .idx {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid var(--red); color: var(--red);
  display: grid; place-items: center; font-size: 10px; font-weight: 700;
  flex: 0 0 20px;
}
.panel-body { padding: 18px; }

.field { margin-bottom: 14px; }
.field label {
  display: block; font-family: var(--mono); font-size: 10px;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 5px;
}
.field label .req { color: var(--red); }
.field input[type=text], .field input[type=date], .field input[type=password],
.field input[type=number], .field select, .field textarea {
  width: 100%; padding: 9px 11px; border-radius: 4px;
  border: 1px solid var(--line); background: var(--paper);
  color: var(--ink); font-family: var(--sans); font-size: 14px;
  outline: none; transition: border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red-soft); }
.field textarea { resize: vertical; min-height: 96px; font-family: var(--mono); font-size: 13px; line-height: 1.7; }
.field .hint { font-size: 11.5px; color: var(--ink-3); margin-top: 5px; line-height: 1.5; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .05em;
  padding: 9px 17px; border-radius: 4px; cursor: pointer;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  transition: opacity .15s, transform .1s;
}
.btn:hover { opacity: .87; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn.ghost:hover { border-color: var(--ink); }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.sm { padding: 6px 11px; font-size: 11px; }

/* 拖放区 */
.drop {
  border: 2px dashed var(--line-2); border-radius: 6px;
  padding: 30px 20px; text-align: center; cursor: pointer;
  background: color-mix(in srgb, var(--paper-2) 45%, transparent);
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--red); background: color-mix(in srgb, var(--red) 5%, transparent); }
.drop-icon { font-size: 22px; opacity: .35; margin-bottom: 8px; line-height: 1; }
.drop strong { display: block; font-size: 14px; margin-bottom: 4px; }
.drop span { font-size: 12px; color: var(--ink-3); font-family: var(--mono); }

/* 上传队列 */
.queue { display: grid; gap: 9px; margin-top: 14px; }
.qitem {
  display: grid; grid-template-columns: 1fr auto;
  gap: 4px 12px; align-items: center;
  padding: 10px 13px; border: 1px solid var(--line);
  border-radius: 4px; background: var(--paper);
  font-family: var(--mono); font-size: 11.5px;
}
.qitem .qname { color: var(--ink); word-break: break-all; }
.qitem .qmeta { color: var(--ink-3); font-size: 10.5px; grid-column: 1; }
.qitem .qact { grid-row: 1 / span 2; grid-column: 2; }
.qbar { grid-column: 1 / -1; height: 3px; border-radius: 2px; background: var(--line); overflow: hidden; margin-top: 4px; }
.qbar i { display: block; height: 100%; background: var(--red); width: 0; transition: width .2s; }
.qitem.done .qbar i { background: var(--green); }
.qitem.err { border-color: var(--red); }

/* 媒体库 */
.lib { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 10px; }
.lib-item { position: relative; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: #000; }
.lib-item img, .lib-item video { display: block; width: 100%; height: 72px; object-fit: cover; }
.lib-item .lib-n {
  font-family: var(--mono); font-size: 9.5px; padding: 4px 6px;
  background: var(--paper-2); color: var(--ink-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lib-item .lib-x {
  position: absolute; top: 3px; right: 3px; width: 18px; height: 18px;
  border-radius: 3px; border: 0; cursor: pointer;
  background: rgba(0,0,0,.65); color: #fff; font-size: 11px; line-height: 1;
  display: grid; place-items: center; opacity: 0; transition: opacity .15s;
}
.lib-item:hover .lib-x { opacity: 1; }
.lib-item .lib-add {
  position: absolute; inset: auto 0 0 0; padding: 3px;
  background: rgba(0,0,0,.7); color: #fff; border: 0; cursor: pointer;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .05em;
  opacity: 0; transition: opacity .15s;
}
.lib-item:hover .lib-add { opacity: 1; }

/* 提示条 */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(70px);
  background: var(--ink); color: var(--paper);
  padding: 11px 20px; border-radius: 5px;
  font-family: var(--mono); font-size: 12px;
  box-shadow: 0 14px 34px -14px rgba(0,0,0,.65);
  opacity: 0; transition: transform .22s, opacity .22s; z-index: 200;
  max-width: calc(100vw - 40px);
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast.err { background: var(--red); }

/* 代码块 */
code, kbd {
  font-family: var(--mono); font-size: .89em;
  background: var(--paper-2); border: 1px solid var(--line);
  padding: 1px 5px; border-radius: 3px; color: var(--ink);
}
pre {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 14px 16px; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  margin: 0 0 16px;
}
pre code { background: none; border: 0; padding: 0; }

/* 教程步骤 */
.steps { counter-reset: st; padding: 0; margin: 0; }
.steps > li {
  list-style: none; counter-increment: st; position: relative;
  padding: 0 0 22px 46px; border-left: 1px solid var(--line);
  margin-left: 15px;
}
.steps > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps > li::before {
  content: counter(st); position: absolute; left: -15px; top: -2px;
  width: 29px; height: 29px; border-radius: 50%;
  background: var(--card); border: 1.5px solid var(--red);
  color: var(--red); font-family: var(--mono); font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
}
.steps h3 {
  margin: 2px 0 8px; font-family: var(--serif); font-size: 17.5px; font-weight: 700;
}
.steps p { margin: 0 0 10px; color: var(--ink-2); font-size: 14.5px; }

.note {
  border-left: 3px solid var(--amber); background: color-mix(in srgb, var(--amber) 7%, transparent);
  padding: 12px 15px; border-radius: 0 4px 4px 0;
  font-size: 13.5px; color: var(--ink-2); margin: 0 0 16px;
}
.note b { color: var(--amber); }
.note.red { border-left-color: var(--red); background: color-mix(in srgb, var(--red) 6%, transparent); }
.note.red b { color: var(--red); }

/* 页脚 */
.foot {
  border-top: 1px solid var(--line); margin-top: 50px; padding-top: 20px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .07em;
  color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 8px 22px;
  text-transform: uppercase;
}
.foot .sp { margin-left: auto; }

/* 响应式 */
@media (max-width: 720px) {
  .wrap { padding: 22px 15px 70px; }
  .topbar-inner { padding: 0 15px; gap: 12px; height: 52px; }
  .brand small { display: none; }
  .nav a { padding: 6px 8px; font-size: 10.5px; }
  .entry-card { grid-template-columns: 1fr; gap: 6px; padding: 14px 15px; }
  .entry-right { text-align: left; }
  .entry-id { font-size: 11.5px; }
  .doc-grid { grid-template-columns: 1fr; }
  .doc-meta { border-right: 0; border-bottom: 1px solid var(--line); }
  .doc-head, .doc-body { padding-left: 18px; padding-right: 18px; }
  .doc-head::after { display: none; }
  .row2, .row3 { grid-template-columns: 1fr; }
  .graph-shell { height: calc(100vh - 52px - 24px); }
  .graph-hud { left: 10px; top: 10px; max-width: 180px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ─────────────── 内容警告（恐怖元素提醒） ─────────────── */

/* 后台：勾选面板 */
.warn-block {
  border: 1px solid color-mix(in srgb, var(--red) 26%, var(--line));
  border-radius: 5px; padding: 13px 15px; margin-top: 4px;
  background: color-mix(in srgb, var(--red) 3.5%, transparent);
}
.warn-block > label:first-child {
  color: var(--red) !important; font-weight: 700;
}
.warn-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 7px; margin: 9px 0 4px;
}
.warn-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 9px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--card); cursor: pointer; user-select: none;
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
  transition: border-color .12s, background .12s, color .12s;
}
.warn-chip:hover { border-color: var(--line-2); color: var(--ink); }
.warn-chip input { margin: 0; accent-color: var(--red); cursor: pointer; flex: 0 0 auto; }
.warn-chip:has(input:checked) {
  border-color: color-mix(in srgb, var(--red) 55%, var(--line));
  background: color-mix(in srgb, var(--red) 9%, transparent);
  color: var(--red);
}

/* 前台：详情页警示横幅 */
.warn-banner {
  display: flex; gap: 12px; align-items: flex-start;
  margin: 0 0 22px; padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--red) 38%, var(--line));
  border-left: 3px solid var(--red);
  border-radius: 5px;
  background: color-mix(in srgb, var(--red) 6%, transparent);
}
.warn-banner-icon { font-size: 17px; line-height: 1.2; flex: 0 0 auto; }
.warn-banner h4 {
  margin: 0 0 7px; font-family: var(--mono); font-size: 10px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--red); font-weight: 700;
}
.warn-banner p { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--ink-2); }
.warn-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.warn-tag {
  font-family: var(--mono); font-size: 10.5px; padding: 2px 8px;
  color: var(--red); border: 1px solid color-mix(in srgb, var(--red) 34%, transparent);
  border-radius: 3px; background: color-mix(in srgb, var(--red) 5%, transparent);
  white-space: nowrap;
}
.warn-note { margin-top: 9px; font-size: 12px; color: var(--ink-3); font-style: italic; }

/* 详情页：媒体遮罩（点击才放行） */
.media-guard {
  position: relative; cursor: pointer; overflow: hidden;
  background: var(--paper-2);
}
.media-guard-dim { filter: blur(14px) brightness(.55); transform: scale(1.04); pointer-events: none; }
.media-guard-veil {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  text-align: center; padding: 20px;
}
.media-guard-veil span {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em;
  color: var(--red); border: 1px solid color-mix(in srgb, var(--red) 40%, transparent);
  border-radius: 4px; padding: 9px 15px; background: var(--card);
}

/* 列表页：卡片上的警告标记 */
.warn-flag {
  font-family: var(--mono); font-size: 10px; padding: 1px 6px;
  color: var(--red); border: 1px solid color-mix(in srgb, var(--red) 32%, transparent);
  border-radius: 3px; background: color-mix(in srgb, var(--red) 6%, transparent);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .warn-grid { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
  .warn-banner { padding: 12px 13px; gap: 9px; }
}

/* ─────────────── 主条目 / 衍生条目（父子挂靠） ─────────────── */

/* 详情页：所属主条目 */
.parent-link {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0 0 20px; padding: 10px 14px;
  border: 1px solid var(--line); border-left: 2px solid var(--ink-3);
  border-radius: 4px; background: color-mix(in srgb, var(--paper-2) 60%, transparent);
  font-family: var(--mono); font-size: 11.5px;
}
.pl-label {
  font-size: 9px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3); flex: 0 0 auto;
}
.parent-link a { color: var(--red); text-decoration: none; border-bottom: 1px solid transparent; }
.parent-link a:hover { border-bottom-color: currentColor; }
.pl-title { color: var(--ink-2); }
.pl-missing { color: var(--ink-3); font-style: italic; }

/* 详情页：衍生条目列表 */
.child-list { display: grid; gap: 6px; }
.child {
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 10px;
  padding: 9px 13px 9px 26px;
  border: 1px solid var(--line); border-left: 2px solid var(--line-2);
  border-radius: 4px; background: var(--card);
  text-decoration: none; color: inherit;
  font-size: 12.5px; transition: border-color .12s, background .12s;
}
.child:hover {
  border-left-color: var(--red);
  background: color-mix(in srgb, var(--red) 3.5%, var(--card));
}
.child-id { font-family: var(--mono); font-size: 11px; color: var(--red); font-weight: 700; }
.child-title { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.child-kind {
  font-family: var(--mono); font-size: 10px; color: var(--ink-3);
  border: 1px solid var(--line-2); border-radius: 3px; padding: 1px 6px; white-space: nowrap;
}

/* 列表页：衍生条目缩进 + 分支线 */
.entry-card-child {
  padding-left: 34px;
  background: color-mix(in srgb, var(--paper-2) 32%, transparent);
}
.child-branch {
  color: var(--line-2); font-family: var(--mono); margin-right: 2px;
  user-select: none;
}
.entry-card-child .entry-id { font-size: 11px; }

@media (max-width: 720px) {
  .child { grid-template-columns: auto 1fr auto; }
  .entry-card-child { padding-left: 22px; }
}

/* ─────────────── 详情页：三段布局（目录树 | 内容 | 档案信息） ─────────────── */

.doc-split {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr) 208px;
  align-items: stretch;
}

/* 左：目录树 */
.doc-tree {
  padding: 16px 0 22px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 62%, transparent);
  font-family: var(--mono); font-size: 11px;
  min-width: 0;
}
.tree-head {
  font-size: 9px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-3); padding: 0 16px 10px;
}
.tree-item {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 14px 5px 16px;
  text-decoration: none; color: var(--ink-2);
  border-left: 2px solid transparent;
  min-width: 0;
}
.tree-item:hover { background: color-mix(in srgb, var(--ink) 4%, transparent); color: var(--ink); }
.tree-item.current {
  border-left-color: var(--red);
  background: color-mix(in srgb, var(--red) 7%, transparent);
  color: var(--ink); font-weight: 700;
}
.tree-item.lvl1 { font-size: 11.5px; font-weight: 600; color: var(--ink); }
.ti-id { flex: 0 0 auto; color: var(--red); font-weight: 700; }
.tree-item.lvl1 .ti-id { font-size: 11.5px; }
.tree-item.lvl4 .ti-id { font-size: 10px; font-weight: 400; opacity: .9; }
.ti-title {
  flex: 1 1 auto; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 10.5px; opacity: .82;
}
.tree-item.lvl1 .ti-title { font-size: 11px; opacity: 1; }
.tree-item.missing .ti-title { font-style: italic; opacity: .5; }
.tree-item.missing .ti-id { opacity: .5; }

.tree-branch { margin-top: 2px; }

/* 可折叠分组（关联线索 / 子目录 / 前缀分组） */
.tree-group { border: 0; }
.tree-group > summary {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px 6px 16px;
  cursor: pointer; list-style: none; user-select: none;
  font-size: 10px; letter-spacing: .04em; color: var(--ink-2);
}
.tree-group > summary::-webkit-details-marker { display: none; }
.tree-group > summary::before {
  content: "▸"; flex: 0 0 auto; font-size: 8px;
  color: var(--ink-3); transition: transform .12s;
}
.tree-group[open] > summary::before { transform: rotate(90deg); }
.tree-group > summary:hover { background: color-mix(in srgb, var(--ink) 4%, transparent); }
.tree-group.disabled > summary { cursor: default; opacity: .45; }
.tree-group.disabled > summary:hover { background: transparent; }
.tg-label { font-weight: 600; }
.tg-prefix { font-weight: 700; color: var(--red); letter-spacing: .06em; }
.tg-name { color: var(--ink-3); font-size: 9.5px; }
.tg-count {
  margin-left: auto; font-size: 9.5px; color: var(--ink-3);
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  border-radius: 8px; padding: 0 6px; line-height: 1.6;
}

.tree-group.lvl3 > summary { padding-left: 26px; }
.tree-group.lvl3 .tree-items { border-left: 1px solid var(--line); margin-left: 30px; }
.tree-items { padding-bottom: 2px; }
.tree-item.lvl4 { padding-left: 10px; }
.tree-empty {
  padding: 5px 14px 7px 30px; font-size: 10px;
  color: var(--ink-3); opacity: .7; font-style: italic;
}

/* 中：正文 */
.doc-main { padding: 24px 30px; min-width: 0; }
.doc-main h3 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 10px; padding-bottom: 7px; border-bottom: 1px solid var(--line);
}
.doc-main p { margin: 0 0 15px; }
.doc-main .prose {
  font-size: 15.5px; line-height: 1.82; color: var(--ink); white-space: pre-wrap;
}

/* 右：档案信息 */
.doc-side {
  padding: 16px 18px 22px;
  border-left: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 62%, transparent);
  min-width: 0;
}
.side-head {
  font-family: var(--mono); font-size: 9px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-3); padding-bottom: 10px;
}
.doc-side .doc-meta {
  padding: 0; border: 0; background: transparent;
}
.doc-side .doc-meta dt { margin-top: 13px; }
.doc-side .doc-meta dd { font-size: 11.5px; }

/* 窄屏：目录树与信息栏退化为上下堆叠 */
@media (max-width: 1080px) {
  .doc-split { grid-template-columns: 200px minmax(0, 1fr); }
  .doc-side {
    grid-column: 1 / -1; border-left: 0;
    border-top: 1px solid var(--line);
  }
  .doc-side .doc-meta {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 4px 18px;
  }
  .doc-side .doc-meta dt { margin-top: 10px; }
}
@media (max-width: 720px) {
  .doc-split { grid-template-columns: 1fr; }
  .doc-tree {
    border-right: 0; border-bottom: 1px solid var(--line);
    max-height: 260px; overflow-y: auto;
  }
  .doc-main { padding: 20px 18px; }
  .doc-side { padding: 16px 18px 20px; }
}

/* ─────────────── 发布时间：时区选择与换算展示 ─────────────── */

/* 后台：时区下拉 + 时间输入并排 */
.dt-row { display: flex; gap: 7px; align-items: stretch; }
.dt-row select {
  flex: 0 0 auto; width: auto; min-width: 132px;
  font-family: var(--mono); font-size: 11.5px;
}
.dt-row input[type="datetime-local"] { flex: 1 1 auto; min-width: 0; }

/* 详情页：档信息里标注原始录入时区 */
.pub-origin {
  margin-top: 4px; font-size: 10px; line-height: 1.5;
  color: var(--ink-3); font-style: italic;
}

@media (max-width: 720px) {
  .dt-row { flex-wrap: wrap; }
  .dt-row select { width: 100%; }
}

/* ─────────────── 后台：操作日志 ─────────────── */

.audit-filters {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-bottom: 14px;
}
.audit-filters select {
  font-family: var(--mono); font-size: 11.5px;
  padding: 6px 8px; min-width: 120px;
}

.audit-rows {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}

.audit-row {
  display: grid;
  grid-template-columns: 128px 96px 132px 1fr 116px;
  gap: 10px; align-items: baseline;
  padding: 9px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px; line-height: 1.5;
}
.audit-row:hover { background: var(--paper-2); }

.ar-time { font-family: var(--mono); font-size: 11px; color: var(--ink-3); white-space: nowrap; }

.ar-act { font-weight: 700; font-size: 12px; color: var(--ink); white-space: nowrap; }
.ar-act.ok { color: var(--green, #2f6b3f); }
.ar-act.warn { color: #9a6a12; }
.ar-act.danger { color: var(--red); }

.ar-user { font-size: 12px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ar-user em {
  display: inline-block; margin-left: 5px; font-style: normal;
  font-size: 9.5px; padding: 1px 5px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink-3);
}

.ar-target { color: var(--ink); overflow-wrap: anywhere; }
.ar-ip { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); text-align: right; white-space: nowrap; }

@media (max-width: 820px) {
  .audit-row { grid-template-columns: 1fr; gap: 2px; }
  .ar-ip { text-align: left; }
}

/* ─────────────── 后台：已选素材（挂在这条档案上的文件）─────────────── */

.picked { display: flex; flex-direction: column; gap: 8px; }

.picked-item {
  display: grid;
  grid-template-columns: 26px 62px 1fr auto;
  gap: 11px; align-items: center;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper-2, #faf8f4);
}

.pk-ord {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  color: var(--ink-3); text-align: center;
}

.pk-thumb {
  width: 62px; height: 46px; border-radius: 6px; overflow: hidden;
  background: #e8e3d9; display: grid; place-items: center;
}
.pk-thumb img, .pk-thumb video { width: 100%; height: 100%; object-fit: cover; display: block; }
.pk-icon { font-size: 18px; color: #8a8478; }

.pk-body { min-width: 0; }
.pk-name {
  font-size: 12.5px; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 4px;
}
.pk-cap {
  width: 100%; font-size: 11.5px; padding: 4px 7px;
  border: 1px solid var(--line); border-radius: 5px;
  background: #fff; font-family: inherit;
}

.pk-acts { display: flex; gap: 4px; }
.pk-acts .btn.sm { padding: 3px 8px; font-size: 11px; }
.pk-acts .btn.sm[disabled] { opacity: .35; cursor: default; }

@media (max-width: 720px) {
  .picked-item { grid-template-columns: 22px 52px 1fr; }
  .pk-acts { grid-column: 1 / -1; justify-content: flex-end; }
}

/* ─────────────── 后台：改动对照 ─────────────── */

.diff-box {
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  background: #fdfcf9;
}

.diff-head {
  padding: 9px 13px;
  font-size: 11.5px;
  background: #f2eee5;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}
.diff-head b { color: var(--red, #9c2215); }

.diff-none {
  margin: 0; padding: 12px 13px;
  font-size: 12px; color: var(--ink-3);
}

.diff-row {
  display: grid;
  grid-template-columns: 92px 1fr 22px 1fr;
  gap: 9px; align-items: baseline;
  padding: 8px 13px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.diff-row:last-child { border-bottom: 0; }
.diff-row:hover { background: #faf7f0; }

.df-label { font-size: 11px; color: var(--ink-3); letter-spacing: .04em; }
.df-from {
  color: var(--ink-3); text-decoration: line-through;
  overflow-wrap: anywhere;
}
.df-arrow { color: var(--ink-3); text-align: center; font-size: 11px; }
.df-to { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }

@media (max-width: 720px) {
  .diff-row { grid-template-columns: 1fr; gap: 3px; }
  .df-arrow { display: none; }
}