/* ==========================================================================
   大智盒 · DAZHIHE 皮肤（第三站专用）
   --------------------------------------------------------------------------
   与另两站的骨架差异：
     主站   白毛玻璃顶栏 / 紫蓝渐变横幅 / 左列表右四面板 / 白色四列页脚
     爱搜   墨绿实色顶条 / 纸色居中搜索头 / 全宽索引行 / 深墨绿页脚
     大智盒 深石墨工具栏 + 左分类导轨 + 中表格条目 + 右榜单 / 浅灰两段页脚
   所有规则都带 body[data-skin="box"] 或 .bx- 前缀，另两站零命中。
   ========================================================================== */

body[data-skin="box"] {
  --bx-dark: #1b232e;
  --bx-dark-2: #242e3b;
  --bx-accent: #0fb9d6;
  --bx-paper: #f3f5f7;
  --bx-line: #dde3e8;
  --bx-ink: #1a222c;
  --bx-ink-2: #55606e;
  --bx-ink-3: #8a95a3;
  background: var(--bx-paper);
}

/* ---------- 顶部深色工具栏 ---------- */
header.bx-top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bx-dark);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.bx-top-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 62px;
}
body[data-skin="box"] .brand-mark {
  background: var(--bx-accent);
  color: #06222a;
  border-radius: 8px;
  font-size: 17px;
}
body[data-skin="box"] .brand-name { color: #fff; }
body[data-skin="box"] .brand-en { color: rgba(255, 255, 255, .4); }

.bx-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.bx-nav::-webkit-scrollbar { display: none; }
.bx-nav a {
  padding: 7px 11px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, .7);
  white-space: nowrap;
}
.bx-nav a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.bx-nav a.is-active { color: #06222a; background: var(--bx-accent); font-weight: 700; }

.bx-search {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
  width: 288px;
  height: 38px;
  padding: 0 5px 0 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
}
.bx-search .ic { width: 15px; height: 15px; stroke: rgba(255, 255, 255, .5); }
.bx-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: none;
  color: #fff;
  font-size: 13.5px;
}
.bx-search input::placeholder { color: rgba(255, 255, 255, .42); }
.bx-search button {
  height: 28px;
  padding: 0 12px;
  border-radius: 4px;
  background: var(--bx-accent);
  color: #06222a;
  font-size: 12.5px;
  font-weight: 700;
}
.bx-top-actions { display: flex; align-items: center; gap: 4px; }
header.bx-top .icon-btn { color: rgba(255, 255, 255, .72); }
header.bx-top .icon-btn:hover { background: rgba(255, 255, 255, .1); color: #fff; }

/* 移动端导航条也走深色 */
.bx-mobile-nav { display: none; }
.bx-mobile-nav a { color: rgba(255, 255, 255, .74); }

/* ---------- 标题带 ---------- */
.bx-strip {
  background: var(--bx-dark-2);
  border-bottom: 1px solid rgba(0, 0, 0, .18);
}
.bx-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 22px 0 20px;
}
.bx-strip-copy h1 {
  margin: 0 0 5px;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
}
.bx-strip-copy p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .56);
}
.bx-strip-facts {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 0;
  flex: none;
}
.bx-strip-facts > div {
  padding: 0 20px;
  border-left: 1px solid rgba(255, 255, 255, .12);
  text-align: right;
}
.bx-strip-facts dt {
  font-size: 10.5px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .42);
}
.bx-strip-facts dd {
  margin: 2px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--bx-accent);
  font-variant-numeric: tabular-nums;
}

/* ---------- 三栏骨架 ---------- */
.bx-wrap {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr) 268px;
  align-items: start;
  gap: 22px;
  padding: 22px 0 40px;
}

/* 左导轨 */
.bx-rail {
  position: sticky;
  top: 78px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.bx-rail-block {
  background: var(--surface);
  border: 1px solid var(--bx-line);
  border-radius: 5px;
  padding: 12px 12px 14px;
}
.bx-rail-title {
  margin: 0 0 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--bx-ink-3);
}
.bx-cats { display: flex; flex-direction: column; gap: 1px; }
body[data-skin="box"] .bx-cats .cat-chip {
  width: 100%;
  height: 33px;
  padding: 0 10px;
  border: 0;
  border-radius: 4px;
  background: none;
  justify-content: space-between;
  font-size: 13px;
  color: var(--bx-ink-2);
}
body[data-skin="box"] .bx-cats .cat-chip:hover { background: var(--bx-paper); color: var(--bx-ink); }
body[data-skin="box"] .bx-cats .cat-chip.is-active {
  background: color-mix(in srgb, var(--bx-accent) 14%, #fff);
  color: #0a6d7e;
  font-weight: 700;
}
body[data-skin="box"] .bx-cats .cat-chip.is-active .cnt { color: #0a6d7e; }

.bx-plats { display: flex; flex-direction: column; }
.bx-plats a {
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--bx-ink-2);
}
.bx-plats a:hover { background: var(--bx-paper); color: var(--bx-ink); }

.bx-rail-note {
  margin: 0;
  padding: 0 4px;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--bx-ink-3);
}

/* 中列表 */
.bx-main { min-width: 0; }
.bx-main-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 0 2px 12px;
}
.bx-main-head h2 {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--bx-ink);
}
.bx-main-head h2 .ic { width: 15px; height: 15px; stroke: var(--bx-accent); }
.bx-main-head .sub { display: block; margin-top: 3px; font-size: 12px; color: var(--bx-ink-3); }

.bx-main .sorts {
  display: flex;
  border: 1px solid var(--bx-line);
  border-radius: 5px;
  overflow: hidden;
  background: var(--surface);
  flex: none;
}
.bx-main .sorts button {
  height: 29px;
  padding: 0 12px;
  font-size: 12.5px;
  color: var(--bx-ink-2);
  border-right: 1px solid var(--bx-line);
}
.bx-main .sorts button:last-child { border-right: 0; }
.bx-main .sorts button:hover { background: var(--bx-paper); }
.bx-main .sorts button.is-active { background: var(--bx-dark); color: #fff; font-weight: 600; }

.bx-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 2px 9px;
  font-size: 12px;
  color: var(--bx-ink-3);
}
.bx-bar-hint { color: var(--bx-ink-3); }

/* 表格化条目 */
body[data-skin="box"] .bx-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
body[data-skin="box"] .bx-rows .card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  padding: 11px 13px;
  background: var(--surface);
  border: 1px solid var(--bx-line);
  border-radius: 5px;
  box-shadow: none;
  transition: border-color .14s, box-shadow .14s, transform .14s;
}
body[data-skin="box"] .bx-rows .card:hover {
  border-color: color-mix(in srgb, var(--bx-accent) 55%, var(--bx-line));
  box-shadow: 0 3px 12px -6px rgba(27, 35, 46, .35);
  transform: none;
}
body[data-skin="box"] .bx-rows .card-cover {
  width: 52px;
  height: 52px;
  min-height: 0;
  flex: none;
  border-radius: 10px;
  overflow: hidden;
  border: 0;
  box-shadow: none;
}
body[data-skin="box"] .bx-rows .card-cover .cover {
  border-radius: 10px;
  background-blend-mode: normal;
  /* 原始封面是给书站用的高饱和渐变，放工具站太跳；
     压饱和 + 提亮，变成一块柔和的图标底，字母仍清晰 */
  filter: saturate(.32) brightness(1.08);
}
body[data-skin="box"] .bx-rows .cover-glyph {
  font-size: 21px;
  font-weight: 800;
  opacity: .95;
}
body[data-skin="box"] .bx-rows .cover-glyph--sm { font-size: 15px; }
body[data-skin="box"] .bx-rows .cover-badge,
body[data-skin="box"] .bx-rows .cover-hot { display: none; }

body[data-skin="box"] .bx-rows .card-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px 92px;
  grid-template-areas:
    "title meta foot"
    "sub   meta foot";
  align-items: center;
  column-gap: 14px;
  row-gap: 3px;
  min-width: 0;
}
body[data-skin="box"] .bx-rows .card-title {
  grid-area: title;
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.4;
  min-width: 0;
}
body[data-skin="box"] .bx-rows .card-title a {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--bx-ink);
}
body[data-skin="box"] .bx-rows .card-title a:hover { color: #0a7f93; }
body[data-skin="box"] .bx-rows .card-sub {
  grid-area: sub;
  font-size: 11.5px;
  color: var(--bx-ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
body[data-skin="box"] .bx-rows .card-excerpt { display: none; }
body[data-skin="box"] .bx-rows .card-meta {
  grid-area: meta;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin: 0;
}
/* 本站只有一个网盘来源，磁盘标签是噪音，只留格式 */
body[data-skin="box"] .bx-rows .meta-chip--disk { display: none; }
body[data-skin="box"] .bx-rows .meta-chip {
  height: 21px;
  padding: 0 7px;
  border-radius: 3px;
  font-size: 10.5px;
  background: var(--bx-paper);
  border: 1px solid var(--bx-line);
  color: var(--bx-ink-2);
  white-space: nowrap;
  overflow: hidden;
  max-width: 84px;
  text-overflow: ellipsis;
}
body[data-skin="box"] .bx-rows .card-foot {
  grid-area: foot;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  font-size: 11px;
  color: var(--bx-ink-3);
}
body[data-skin="box"] .bx-rows .card-stats { display: none; }
body[data-skin="box"] .bx-rows .card-stats span { display: inline-flex; align-items: center; gap: 2px; }
body[data-skin="box"] .bx-rows .card-stats .ic { width: 12px; height: 12px; stroke: var(--bx-ink-3); }
body[data-skin="box"] .bx-rows .fav-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--bx-line);
  background: none;
}
body[data-skin="box"] .bx-rows .fav-btn .ic { width: 12px; height: 12px; stroke: var(--bx-ink-3); }
body[data-skin="box"] .bx-rows .fav-btn:hover { border-color: var(--bx-accent); }
body[data-skin="box"] .bx-rows .fav-btn.is-on { border-color: var(--bx-accent); background: color-mix(in srgb, var(--bx-accent) 14%, #fff); }

/* 分页 */
body[data-skin="box"] .pagination { margin-top: 16px; }
body[data-skin="box"] .pagination button {
  border-radius: 4px;
  border: 1px solid var(--bx-line);
  background: var(--surface);
  min-width: 32px;
  height: 32px;
  font-size: 12.5px;
  color: var(--bx-ink-2);
}
body[data-skin="box"] .pagination button:hover { border-color: var(--bx-accent); color: #0a7f93; }
body[data-skin="box"] .pagination button.is-active {
  background: var(--bx-dark);
  border-color: var(--bx-dark);
  color: #fff;
  font-weight: 600;
}

/* 右侧栏 */
.bx-side {
  position: sticky;
  top: 78px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.bx-side-card {
  background: var(--surface);
  border: 1px solid var(--bx-line);
  border-radius: 5px;
  padding: 12px 13px 14px;
}
.bx-side-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--bx-ink);
}
.bx-side-title .ic { width: 13px; height: 13px; stroke: var(--bx-accent); }

.bx-rank { display: flex; flex-direction: column; }
.bx-rank a {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px dashed var(--bx-line);
}
.bx-rank a:last-child { border-bottom: 0; }
.bx-rank .no {
  font-size: 11px;
  font-weight: 700;
  color: var(--bx-ink-3);
  font-variant-numeric: tabular-nums;
}
.bx-rank a:nth-child(-n+3) .no { color: var(--bx-accent); }
.bx-rank .t {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--bx-ink-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bx-rank a:hover .t { color: #0a7f93; }

.bx-side-note ul {
  margin: 0;
  padding-left: 15px;
  font-size: 11.5px;
  line-height: 1.75;
  color: var(--bx-ink-3);
}
.bx-side-note li { margin-bottom: 2px; }

/* ---------- 页脚：浅灰两段 + 底条 ---------- */
footer.bx-foot {
  background: #e9edf1;
  border-top: 1px solid var(--bx-line);
  padding: 30px 0 0;
  margin-top: 8px;
}
.bx-foot-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 22px;
}
.bx-foot-brand { max-width: 380px; }
.bx-foot-brand .brand { margin-bottom: 9px; }
.bx-foot-brand .brand-name { color: var(--bx-ink); }
.bx-foot-brand .brand-en { color: var(--bx-ink-3); }
.bx-foot-brand .brand-mark { background: var(--bx-dark); color: var(--bx-accent); }
.bx-foot-brand p {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--bx-ink-2);
}
.bx-foot-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, auto));
  gap: 6px 34px;
}
.bx-foot-links div { display: flex; flex-direction: column; gap: 7px; }
.bx-foot-links a { font-size: 12px; color: var(--bx-ink-2); }
.bx-foot-links a:hover { color: #0a7f93; }

footer.bx-foot .recent-links {
  border-top: 1px solid var(--bx-line);
  padding: 14px 0;
}
footer.bx-foot .recent-links .label { color: var(--bx-ink-3); }
footer.bx-foot .recent-links a { color: var(--bx-ink-2); }
footer.bx-foot .recent-links a:hover { color: #0a7f93; }

.bx-foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0 16px;
  border-top: 1px solid var(--bx-line);
  font-size: 11.5px;
  color: var(--bx-ink-3);
}
.bx-foot-bottom .links { display: flex; gap: 14px; }
.bx-foot-bottom a { color: var(--bx-ink-3); }
.bx-foot-bottom a:hover { color: var(--bx-ink-2); }

/* ---------- 暗色主题：把浅灰底换成石墨，保持同一套语言 ---------- */
html[data-theme="dark"] body[data-skin="box"] { --bx-paper: #161d26; --bx-line: #2a3441; --bx-ink: #e7edf3; --bx-ink-2: #a9b5c2; --bx-ink-3: #7b8794; }
html[data-theme="dark"] body[data-skin="box"] .bx-strip-facts dd { color: var(--bx-accent); }
html[data-theme="dark"] footer.bx-foot { background: #131a22; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .bx-wrap { grid-template-columns: 176px minmax(0, 1fr); }
  .bx-side { display: none; }
  .bx-search { width: 220px; }
}

@media (max-width: 980px) {
  .bx-wrap { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .bx-rail {
    position: static;
    flex-direction: row;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .bx-rail-block { flex: none; padding: 8px 10px; }
  .bx-rail-block:nth-child(2),
  .bx-rail-note { display: none; }
  .bx-rail-title { display: none; }
  .bx-cats { flex-direction: row; gap: 6px; }
  body[data-skin="box"] .bx-cats .cat-chip { width: auto; height: 30px; white-space: nowrap; }
  .bx-strip-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .bx-strip-facts { width: 100%; }
  .bx-strip-facts > div { flex: 1; text-align: left; padding: 0 0 0 12px; }
  .bx-nav { display: none; }
  .bx-search { flex: 1; width: auto; }
  .bx-mobile-nav { display: flex; gap: 4px; padding-bottom: 8px; overflow-x: auto; }
}

@media (max-width: 640px) {
  .bx-top-inner { height: auto; flex-wrap: wrap; gap: 10px; padding: 10px 0; }
  .bx-search { order: 3; width: 100%; }
  .bx-strip-copy h1 { font-size: 18px; }
  .bx-main-head { flex-direction: column; align-items: flex-start; gap: 9px; }
  body[data-skin="box"] .bx-rows .card-body {
    grid-template-columns: minmax(0, 1fr) 84px;
    grid-template-areas:
      "title foot"
      "sub   meta";
    row-gap: 4px;
  }
  body[data-skin="box"] .bx-rows .card-meta { justify-content: flex-start; }
  .bx-foot-top { flex-direction: column; gap: 20px; }
  .bx-foot-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 20px; }
  .bx-foot-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ==========================================================================
   详情页 / 关于页：共用 detail.html，靠这一段把顶栏、侧卡、页脚拉到同一套语言
   （首页有独立模板 dazhihe.html，不依赖这里的覆盖）
   ========================================================================== */
body[data-skin="box"] .site-header {
  background: var(--bx-dark);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
body[data-skin="box"] .site-header .brand-name { color: #fff; }
body[data-skin="box"] .site-header .brand-en { color: rgba(255, 255, 255, .4); }
body[data-skin="box"] .site-header .brand-mark { background: var(--bx-accent); color: #06222a; }
body[data-skin="box"] .site-header .main-nav a { color: rgba(255, 255, 255, .72); }
body[data-skin="box"] .site-header .main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
body[data-skin="box"] .site-header .main-nav a.is-active {
  color: #06222a;
  background: var(--bx-accent);
  font-weight: 700;
}
body[data-skin="box"] .site-header .header-search {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .12);
}
body[data-skin="box"] .site-header .header-search input { color: #fff; }
body[data-skin="box"] .site-header .header-search input::placeholder { color: rgba(255, 255, 255, .42); }
body[data-skin="box"] .site-header .header-search .ic { stroke: rgba(255, 255, 255, .5); }
body[data-skin="box"] .site-header .icon-btn { color: rgba(255, 255, 255, .72); }
body[data-skin="box"] .site-header .icon-btn:hover { background: rgba(255, 255, 255, .1); color: #fff; }

/* 侧卡、正文、按钮：统一 5px 方角，去掉主站的浮起阴影 */
body[data-skin="box"] .article,
body[data-skin="box"] .side-card {
  border-radius: 5px;
  border-color: var(--bx-line);
  box-shadow: none;
}
body[data-skin="box"] .article-head h1 { font-size: 24px; line-height: 1.35; }
body[data-skin="box"] .dl-btn { border-radius: 4px; }
body[data-skin="box"] .side-card h3 { font-size: 12px; letter-spacing: .06em; color: var(--bx-ink-3); }
body[data-skin="box"] .crumb a:hover { color: #0a7f93; }
body[data-skin="box"] .highlight-list li { border-radius: 4px; }

/* 页脚：浅灰两段色，和首页保持同一底色 */
body[data-skin="box"] .site-footer {
  background: #e9edf1;
  border-top: 1px solid var(--bx-line);
}
body[data-skin="box"] .footer-col h4 { color: var(--bx-ink); }
body[data-skin="box"] .footer-col a { color: var(--bx-ink-2); }
body[data-skin="box"] .footer-col a:hover { color: #0a7f93; }
body[data-skin="box"] .footer-bottom { border-top-color: var(--bx-line); color: var(--bx-ink-3); }

html[data-theme="dark"] body[data-skin="box"] .site-footer { background: #131a22; }

/* 详情侧栏封面：工具站用方形图标块，不用书站那种竖版海报 */
body[data-skin="box"] .side-cover {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  filter: saturate(.32) brightness(1.08);
}
body[data-skin="box"] .side-cover .cover-glyph { font-size: 46px; }
body[data-skin="box"] .side-cover .cover-glyph--sm { font-size: 32px; }

/* ---------- 移动端修正：按钮底色 / 条目右侧排列 ---------- */
header.bx-top .icon-btn {
  background: transparent;
  border: 0;
}
header.bx-top .icon-btn:hover { background: rgba(255, 255, 255, .1); }
/* 分类导轨在窄屏已经横向铺开，顶部那条重复的导航直接不显示 */
.bx-mobile-nav { display: none !important; }

@media (max-width: 640px) {
  body[data-skin="box"] .bx-rows .card-body {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title foot"
      "sub   foot"
      "meta  foot";
    row-gap: 3px;
  }
  body[data-skin="box"] .bx-rows .card-meta { justify-content: flex-start; }
  body[data-skin="box"] .bx-rows .card-foot {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
  }
}

/* 主站的 card-foot 首个子元素带一条虚线下划线，窄屏竖排时看着像乱入的横线 */
body[data-skin="box"] .bx-rows .card-foot > span { border: 0; }