/* =====================================================================
   交流中心 · 页面样式                                    user/post/assets/post.css
   只使用 ui.css 中的令牌（--c-* / --g-* / --r-* / --sh-*），不重新定义令牌。
   命名：pc-xxx 组件，pc-xxx__yyy 内部元素，is-xxx 状态（规范第 12 节）。
   断点：640px（手机 / 平板），1024px（平板 / 桌面），移动优先。
   ===================================================================== */

/* ---------------------------------------------------------------- 页面骨架 */
.pc-wrap { max-width: var(--page-max); margin: 0 auto; padding: 16px 16px 96px; }
@media (min-width: 640px) { .pc-wrap { padding: 20px 24px 48px; } }
@media (max-width: 639px) { body { font-size: 15px; } }

mark { background: rgba(199,210,254,.65); color: inherit; border-radius: 3px; padding: 0 2px; }

/* 页面标题区（不吸顶；外壳已有整站顶栏） */
.pc-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 16px; flex-wrap: wrap; margin: 4px 0 16px; }
.pc-head__title { min-width: 0; }
.pc-head__title h1 { font-size: 22px; letter-spacing: -.01em; }
.pc-head__title p { margin-top: 2px; color: var(--c-text-2); font-size: 13px; }
.pc-head__actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
/* 十五期 手机 / 平板（< 1024，有 .pc-strip 积分和 .pc-fab 发布按钮）：列表页标题旁的积分、发布主题不再重复显示；手机不要副标题 */
@media (max-width: 1023px) { .pc-head--list .pc-head__actions { display: none; } }
@media (max-width: 767px) { .pc-head__title p { display: none; } .pc-head { margin-bottom: 12px; } }
.pc-left-chip { display: none; }
.pc-credit { cursor: pointer; }
.pc-credit strong { font-variant-numeric: tabular-nums; }

/* 面包屑 */
.pc-crumbs { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 13px; color: var(--c-text-3); margin-bottom: 12px; }
.pc-crumbs a { display: inline-flex; align-items: center; gap: 4px; color: var(--c-text-2); flex: none; }
.pc-crumbs a:hover { color: var(--c-primary); }
.pc-crumbs span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------------------------------------------------------- 独立打开（不在外壳里）：品牌条 */
.pc-brandbar { display: none; }
.is-standalone .pc-brandbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  position: sticky; top: 0; z-index: 30; padding: 10px 16px; padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--c-surface-glass); border-bottom: 1px solid var(--c-border-soft);
}
@supports (backdrop-filter: blur(12px)) { .is-standalone .pc-brandbar { backdrop-filter: blur(12px); } }
.pc-brandbar__logo { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--c-text); }
.pc-brandbar__logo i { width: 30px; height: 30px; border-radius: 9px; background: var(--g-brand); display: grid; place-items: center; color: #fff; font-style: normal; font-size: 13px; }
.pc-brandbar__right { display: flex; align-items: center; gap: 8px; }
.pc-lang { height: 32px; width: auto; font-size: 13px; }
.pc-brandbar__logo { white-space: nowrap; min-width: 0; }
@media (max-width: 479px) { .pc-brandbar__site { display: none; } }

/* ---------------------------------------------------------------- 列表页：搜索面板（本页的主角） */
.pc-search {
  position: sticky; top: 0; z-index: 20; margin: 0 -4px 16px; padding: 14px;
  border-radius: var(--r-xl); background: var(--c-surface-glass); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md);
}
.is-standalone .pc-search { top: 58px; }
@supports (backdrop-filter: blur(12px)) { .pc-search { backdrop-filter: blur(12px); } }
.pc-search__row { display: flex; gap: 8px; }
.pc-search__box { position: relative; flex: 1; min-width: 0; }
.pc-search__box > .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--c-primary); pointer-events: none; }
.pc-search__input {
  width: 100%; height: 48px; padding: 0 40px 0 44px; border-radius: var(--r-lg);
  border: 1px solid #E0E7FF; background: var(--c-surface); box-shadow: var(--sh-sm);
  font-family: var(--f-mono); font-size: 16px; letter-spacing: .01em;
  transition: border-color .15s, box-shadow .15s;
}
.pc-search__input::placeholder { font-family: var(--f-sans); font-size: 14px; color: var(--c-text-3); letter-spacing: 0; }
.pc-search__input:focus { outline: none; border-color: var(--c-primary); box-shadow: var(--sh-focus); }
.pc-search__clear { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border: 0; border-radius: var(--r-md); background: transparent; color: var(--c-text-3); cursor: pointer; display: grid; place-items: center; }
.pc-search__clear:hover { background: #F1F5F9; color: var(--c-text-2); }
.pc-search .ui-btn--lg { flex: none; }
.pc-search__bar { display: flex; align-items: center; gap: 8px 12px; flex-wrap: wrap; margin-top: 12px; }
.pc-search__filters { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
@media (max-width: 639px) {
  .pc-search { margin: 0 -8px 12px; padding: 10px; border-radius: var(--r-lg); }
  .pc-search .ui-btn--lg span { display: none; }
  .pc-search .ui-btn--lg { width: 48px; padding: 0; }
  .pc-search__filters { margin-left: 0; }
}

/* 标签（筛选、附件分类） */
.pc-tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; min-width: 0; }
.pc-tabs::-webkit-scrollbar { display: none; }
.pc-tab {
  flex: none; display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  border: 0; border-radius: var(--r-full); background: transparent; color: var(--c-text-2);
  font-size: 13px; font-weight: 500; cursor: pointer; white-space: nowrap; transition: background .15s, color .15s;
}
.pc-tab:hover { background: #F1F5F9; color: var(--c-text); }
.pc-tab.is-active { background: var(--c-primary-soft); color: var(--c-primary); }
.pc-tab span { font-size: 12px; color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.pc-tab.is-active span { color: inherit; opacity: .75; }
.pc-tabs--sm .pc-tab { height: 30px; padding: 0 10px; font-size: 12.5px; }

/* 筛选开关（类型、有附件） */
.pc-filter {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border-radius: var(--r-full);
  border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text-2); font-size: 13px; cursor: pointer; transition: .15s;
}
.pc-filter:hover { border-color: #C7D2FE; color: var(--c-text); }
.pc-filter[aria-pressed="true"] { background: var(--c-primary-soft); border-color: #C7D2FE; color: var(--c-primary); }

/* 结果说明 */
.pc-summary { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-height: 30px; margin-bottom: 14px; font-size: 13px; color: var(--c-text-2); }
.pc-summary .ui-chip { height: 26px; font-size: 12.5px; padding: 0 10px; }
.pc-summary__count strong { color: var(--c-text); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- 列表：两列卡片 + 右侧栏 */
.pc-layout { display: grid; gap: 20px; }
@media (min-width: 1024px) { .pc-layout { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; } }
.pc-aside { display: none; }
@media (min-width: 1024px) { .pc-aside { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 172px; } }

.pc-grid { display: grid; gap: 14px; }
@media (min-width: 640px) { .pc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; } }
#pcList { transition: opacity .15s; }
#pcList.is-loading { opacity: .5; pointer-events: none; }

.pc-card {
  position: relative; display: flex; flex-direction: column; gap: 8px; min-width: 0;
  padding: 16px 18px; border-radius: var(--r-lg); background: var(--c-surface);
  border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md);
  transition: transform .15s var(--ease-out), box-shadow .15s var(--ease-out), border-color .15s;
}
.pc-card:hover { transform: translateY(-2px); box-shadow: var(--sh-lg); border-color: #E0E7FF; }
.pc-card:focus-within { box-shadow: var(--sh-lg), var(--sh-focus); }
.pc-card__top { display: flex; gap: 6px; flex-wrap: wrap; }
.pc-card__title { font-size: 16px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pc-card__link { color: var(--c-text); }
.pc-card__link:hover { color: var(--c-text); }
.pc-card__link:focus-visible { box-shadow: none; }
.pc-card__link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.pc-card__excerpt { font-size: 13.5px; color: var(--c-text-2); overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pc-card__meta { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 6px; font-size: 12.5px; color: var(--c-text-3); min-width: 0; }
.pc-card__who { display: inline-flex; align-items: center; gap: 6px; color: var(--c-text-2); min-width: 0; }
.pc-card__stats { display: inline-flex; gap: 10px; margin-left: auto; font-variant-numeric: tabular-nums; }
.pc-card__stats span { display: inline-flex; align-items: center; gap: 3px; }
.pc-card__stats .ic { width: 14px; height: 14px; }
.pc-card__stats .is-paid { color: var(--c-gold-fg); }
.pc-card.is-closed .pc-card__link { color: var(--c-text-2); }
.pc-card.is-deleted { border-style: dashed; box-shadow: none; opacity: .8; }

/* 头像 */
.pc-avatar { width: 32px; height: 32px; flex: none; border-radius: var(--r-full); display: inline-grid; place-items: center;
  background: var(--g-soft); color: var(--c-primary); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; border: 1px solid #E0E7FF; }
.pc-avatar.is-sm { width: 22px; height: 22px; font-size: 10.5px; }
.pc-avatar.is-author { background: var(--c-gold-bg); color: var(--c-gold-fg); border-color: #FCD34D; }

.pc-edited { font-size: 12px; color: var(--c-text-3); }

/* 空状态 */
.pc-empty { background: var(--c-surface); border-radius: var(--r-lg); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md); }
.pc-empty p { max-width: 36em; margin: 0 auto; }
.pc-empty__cta { margin-top: 18px; }

/* 访客搜索次数用完 */
.pc-limit { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; padding: 16px 18px; margin-bottom: 14px;
  border-radius: var(--r-lg); background: var(--g-soft); border: 1px solid #E0E7FF; }
.pc-limit > .ic { width: 28px; height: 28px; color: var(--c-primary); }
.pc-limit__text { flex: 1 1 220px; }
.pc-limit__text strong { display: block; font-weight: 600; }
.pc-limit__text span { font-size: 13px; color: var(--c-text-2); }

.pc-pager { margin-top: 22px; }

/* 右侧栏卡片 */
.pc-panel { background: var(--c-surface); border-radius: var(--r-lg); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md); padding: 16px; }
.pc-panel h3 { font-size: 14px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.pc-panel h3 .ic { color: var(--c-primary); }
.pc-panel__big { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.2;
  background: var(--g-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pc-panel__sub { font-size: 12.5px; color: var(--c-text-3); }
.pc-panel__links { display: flex; flex-direction: column; gap: 2px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--c-border-soft); }
.pc-panel__links a, .pc-panel__links button {
  display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 8px; margin: 0 -8px;
  border: 0; background: none; border-radius: var(--r-md); font-size: 13px; color: var(--c-text-2); cursor: pointer; text-align: left;
}
.pc-panel__links a:hover, .pc-panel__links button:hover { background: var(--c-primary-soft); color: var(--c-primary); }
.pc-panel__links b { font-weight: 600; color: var(--c-text); font-variant-numeric: tabular-nums; }
.pc-guide { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; counter-reset: g; }
.pc-guide li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 10px; font-size: 13px; color: var(--c-text-2); }
.pc-guide li::before { counter-increment: g; content: counter(g); width: 24px; height: 24px; border-radius: var(--r-full);
  background: var(--c-primary-soft); color: var(--c-primary); font-size: 12px; font-weight: 600; display: grid; place-items: center; }
.pc-guide strong { display: block; color: var(--c-text); font-weight: 600; font-size: 13.5px; }

/* 手机：账户横条（取代右侧栏） */
.pc-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
@media (min-width: 1024px) { .pc-strip { display: none; } }

/* 手机：悬浮发布按钮 */
.pc-fab { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 40;
  width: 56px; height: 56px; border-radius: var(--r-full); background: var(--g-brand); color: #fff;
  display: grid; place-items: center; box-shadow: 0 12px 28px -10px rgba(79,70,229,.8); }
.pc-fab:hover { color: #fff; }
.pc-fab .ic { width: 24px; height: 24px; }
@media (min-width: 1024px) { .pc-fab { display: none; } }

/* ---------------------------------------------------------------- 十五期补充 手机（≤ 767px）：一行吸顶头部 + 筛选面板
   .pc-top 在电脑上 display: contents（不影响原来的布局和搜索面板吸顶）；
   手机上是一行：标题 | 积分（只要图标和数字；访客显示今天剩余搜索次数）| 搜索框 | 筛选按钮。
   范围标签、求助 / 分享 / 有附件收进 #pcSheet（ui.css .ui-msheet）；生效的筛选显示在 #pcActive。 */
.pc-top { display: contents; }
.pc-active { display: none; }
@media (max-width: 767px) {
  .pc-wrap { padding-top: 16px; padding-left: 16px; padding-right: 16px; }
  .pc-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 8px;
    margin: -16px -16px 10px; padding: 8px 16px; background: var(--c-bg); border-bottom: 1px solid var(--c-border-soft); }
  .is-standalone .pc-top { top: 58px; }
  .pc-top .pc-head { display: contents; }
  .pc-top .pc-head__title h1 { font-size: 17px; white-space: nowrap; }
  .pc-head--list .pc-head__actions { display: flex; flex: none; gap: 6px; }
  .pc-head__new, .pc-credit__label { display: none; }
  .pc-left-chip { display: inline-flex; }
  .pc-head__actions .ui-chip { height: 30px; padding: 0 9px; gap: 4px; }
  .pc-top .pc-search { flex: 1; min-width: 0; position: static; margin: 0; padding: 0; border: 0; border-radius: 0; background: none; box-shadow: none; backdrop-filter: none; }
  .pc-top .pc-search__row { align-items: center; gap: 6px; }
  .pc-top .pc-search .ui-btn--lg { display: none; }   /* 键盘上的“搜索”键提交 */
  .pc-top .pc-search__input { height: 40px; padding: 0 34px 0 34px; border-radius: var(--r-md); }
  .pc-top .pc-search__box > .ic { left: 10px; width: 18px; height: 18px; }
  .pc-top .pc-search__clear { width: 30px; height: 30px; right: 4px; }
  .pc-strip { display: none; }
  .pc-sumrow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
  .pc-sumrow:has(.pc-active[hidden]):has(.pc-summary.is-idle) { display: none; }
  .pc-active:not([hidden]) { display: flex; gap: 6px; flex-wrap: wrap; }
  .pc-active .ui-chip { height: 28px; padding: 0 6px 0 10px; gap: 4px; cursor: pointer; font-size: 12.5px; }
  .pc-active .ui-chip .ic { width: 14px; height: 14px; }
  .pc-summary { margin-bottom: 10px; min-height: 28px; }
  .pc-summary.is-idle { display: none; }
  .pc-summary .ui-chip--primary { display: none; }   /* 和上面的小标签重复 */
  .pc-active:not([hidden]) { margin-bottom: 10px; }
  /* 面板里：范围标签、类型按钮换行排开 */
  .ui-msheet .pc-tabs { flex-wrap: wrap; overflow: visible; gap: 6px; }
  .ui-msheet .pc-tab { height: 36px; padding: 0 14px; border: 1px solid var(--c-border); background: var(--c-surface); }
  .ui-msheet .pc-tab.is-active { border-color: #C7D2FE; }
  .ui-msheet .pc-search__filters { margin-left: 0; gap: 6px; }
  .ui-msheet .pc-filter { height: 36px; padding: 0 14px; }

  /* 卡片压矮：类型标签和标题同一行，摘要只留 1 行 */
  .pc-grid { gap: 10px; }
  .pc-card { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 8px; padding: 12px 14px; }
  .pc-card__top { grid-column: 1; grid-row: 1; flex-direction: column; align-items: flex-start; gap: 4px; padding-top: 1px; }
  .pc-card__top:empty { display: none; }
  .pc-card__title { grid-column: 2; grid-row: 1; font-size: 15px; line-height: 1.4; }
  .pc-card__top:empty + .pc-card__title { grid-column: 1 / -1; }
  .pc-card__excerpt { grid-column: 1 / -1; -webkit-line-clamp: 1; font-size: 13px; }
  .pc-card__meta { grid-column: 1 / -1; padding-top: 0; }
}

/* ---------------------------------------------------------------- 详情页 */
.pc-detail { display: grid; gap: 20px; }
@media (min-width: 1024px) { .pc-detail { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; } }
.pc-main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.pc-post { background: var(--c-surface); border-radius: var(--r-lg); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md); padding: 20px; }
@media (min-width: 640px) { .pc-post { padding: 24px 28px; } }
.pc-post__badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.pc-post__title { font-size: 22px; line-height: 1.4; letter-spacing: -.01em; overflow-wrap: anywhere; }
@media (max-width: 639px) { .pc-post__title { font-size: 19px; } }
.pc-post__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 12px 0 16px; font-size: 13px; color: var(--c-text-3); }
.pc-post__meta strong { color: var(--c-text); font-weight: 500; }
.pc-post__body { font-size: 15px; line-height: 1.8; overflow-wrap: anywhere; max-width: 75ch; }
.pc-post__updates { margin-top: 20px; padding-top: 4px; border-top: 1px solid var(--c-border-soft); }
.pc-post__updates:empty { display: none; }
.pc-post__updates .pc-reply { border-bottom: 0; padding-left: 14px; margin-left: 15px; border-left: 2px solid #FDE68A; }
.pc-post__updates .pc-reply__body { padding-left: 0; }
.pc-post__updates .pc-reply__head .pc-avatar { display: none; }

.pc-post__tools { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--c-border-soft); }
.pc-post__hint { margin-left: auto; font-size: 12.5px; color: var(--c-text-3); }
.pc-banner { margin-bottom: 0; align-items: center; }
.pc-banner span { flex: 1; }

/* 区块（资料、讨论） */
.pc-section { background: var(--c-surface); border-radius: var(--r-lg); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md); }
.pc-section__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 20px; border-bottom: 1px solid var(--c-border-soft); }
.pc-section__head h2 { display: flex; align-items: center; gap: 8px; font-size: 16px; }
.pc-section__head h2 .ic { color: var(--c-primary); width: 18px; height: 18px; }
.pc-section__head .pc-count { font-size: 12px; font-weight: 600; min-width: 22px; height: 22px; padding: 0 7px; border-radius: var(--r-full);
  display: inline-grid; place-items: center; background: #F1F5F9; color: var(--c-text-2); font-variant-numeric: tabular-nums; }
.pc-section__tools { margin-left: auto; display: flex; gap: 6px; }
.pc-section__tabs { padding: 10px 16px 0; }
.pc-section__body { padding: 4px 20px 16px; transition: opacity .15s; }
.pc-section__body.is-loading { opacity: .5; pointer-events: none; }
.pc-section__foot { padding: 0 20px 16px; }
@media (max-width: 639px) { .pc-section__head, .pc-section__body { padding-left: 14px; padding-right: 14px; } }

/* 附件行 */
.pc-file { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 14px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--c-border-soft); }
.pc-file:last-child { border-bottom: 0; }
.pc-file.is-deleted { opacity: .7; }
.pc-file__icon { width: 56px; height: 56px; border-radius: var(--r-md); display: grid; place-items: center; background: #F1F5F9; color: var(--c-text-2); }
.pc-cat--bios { background: var(--c-violet-bg); color: var(--c-violet); }
.pc-cat--boardview { background: var(--c-info-bg); color: var(--c-info-fg); }
.pc-cat--archive { background: var(--c-orange-bg); color: var(--c-orange); }
.pc-cat--pdf { background: var(--c-danger-bg); color: var(--c-danger); }
.pc-cat--video, .pc-cat--image { background: var(--c-primary-soft); color: var(--c-primary); }
.pc-cat--binary { background: #F1F5F9; color: var(--c-text); }
.pc-thumb { position: relative; width: 56px; height: 56px; padding: 0; border: 1px solid var(--c-border-soft); border-radius: var(--r-md); overflow: hidden; cursor: zoom-in; background: var(--g-soft); }
.pc-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pc-thumb__lock { position: absolute; inset: auto 4px 4px auto; width: 20px; height: 20px; border-radius: var(--r-full); background: rgba(15,23,42,.6); color: #fff; display: grid; place-items: center; }
.pc-thumb__lock .ic { width: 12px; height: 12px; }
.pc-file__main { min-width: 0; }
.pc-file__name { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pc-file__meta { display: flex; flex-wrap: wrap; gap: 2px 12px; margin-top: 2px; font-size: 12.5px; color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.pc-earned { color: var(--c-success-fg); font-weight: 500; }
.pc-file__desc { margin-top: 6px; font-size: 13px; color: var(--c-text-2); overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; cursor: pointer; }
.pc-file__desc.is-open { -webkit-line-clamp: unset; display: block; }
.pc-file__note { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; font-size: 12.5px; color: var(--c-text-3); }
.pc-file__note.is-danger { color: var(--c-danger-fg); }
.pc-file__archive { margin: 6px 0 0 -8px; }
.pc-file__side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.pc-acts { display: inline-flex; gap: 2px; }
@media (max-width: 639px) {
  .pc-file { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; }
  .pc-file__icon, .pc-thumb { width: 48px; height: 48px; }
  .pc-file__side { grid-column: 2; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .pc-file__side .pc-acts { margin-left: auto; }
}

/* 补充 */
.pc-reply { padding: 14px 0; border-bottom: 1px solid var(--c-border-soft); }
.pc-reply:last-child { border-bottom: 0; }
.pc-reply.is-deleted { opacity: .65; }
.pc-reply__head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.pc-reply__head strong { font-weight: 500; }
.pc-reply__head time { color: var(--c-text-3); font-size: 12.5px; }
.pc-reply__head .pc-acts { margin-left: auto; }
.pc-reply__body { padding: 6px 0 0 40px; font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
@media (hover: hover) {
  .pc-reply .pc-acts { opacity: 0; transition: opacity .15s; }
  .pc-reply:hover .pc-acts, .pc-reply:focus-within .pc-acts { opacity: 1; }
}

/* 补充输入框 */
.pc-composer { border-top: 1px solid var(--c-border-soft); padding: 14px 20px 16px; }
@media (max-width: 639px) { .pc-composer { padding: 12px 14px 14px; } }
.pc-textarea {
  width: 100%; min-height: 96px; padding: 10px 12px; border-radius: var(--r-md); border: 1px solid var(--c-border);
  background: var(--c-surface); box-shadow: var(--sh-sm); resize: vertical; line-height: 1.6; transition: border-color .15s, box-shadow .15s;
}
.pc-textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: var(--sh-focus); }
.pc-textarea.is-invalid { border-color: var(--c-danger); }
.pc-composer__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 12.5px; color: var(--c-text-3); }
.pc-login-hint { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 16px; border-radius: var(--r-md); background: var(--g-soft); font-size: 13.5px; color: var(--c-text-2); }
.pc-login-hint span { flex: 1 1 200px; }

/* 右侧操作栏（桌面，吸顶） */
.pc-rail { display: none; }
@media (min-width: 1024px) { .pc-rail { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 16px; } }
.is-standalone .pc-rail { top: 74px; }
.pc-rail .ui-btn { width: 100%; }
.pc-rail__actions { display: flex; flex-direction: column; gap: 8px; }
.pc-rail__row { display: flex; gap: 8px; }
.pc-rail__row .ui-btn { flex: 1; }
.pc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.pc-stats div { text-align: center; padding: 8px 4px; border-radius: var(--r-md); background: #F8FAFC; }
.pc-stats b { display: block; font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.pc-stats span { font-size: 12px; color: var(--c-text-3); }
.pc-modtools { border: 1px dashed #DDD6FE; background: var(--c-violet-bg); }
.pc-modtools h3 .ic { color: var(--c-violet); }
.pc-modtools .pc-panel__links button:hover { background: #EDE9FE; color: var(--c-violet-fg); }

/* 手机：底部操作条 */
.pc-actionbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; gap: 8px; align-items: center;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: var(--c-surface-glass); border-top: 1px solid var(--c-border-soft); box-shadow: 0 -8px 24px -16px rgba(15,23,42,.25);
}
@supports (backdrop-filter: blur(12px)) { .pc-actionbar { backdrop-filter: blur(12px); } }
.pc-actionbar .ui-btn { flex: 1; }
.pc-actionbar__credit { flex: none; font-size: 12.5px; color: var(--c-text-2); display: inline-flex; align-items: center; gap: 4px; }
@media (min-width: 1024px) { .pc-actionbar { display: none; } }

/* ---------------------------------------------------------------- 上传抽屉 */
.pc-drawer-mask { position: fixed; inset: 0; z-index: 70; background: rgba(248,250,252,.55); animation: tk-in .2s var(--ease-out); }
@supports (backdrop-filter: blur(4px)) { .pc-drawer-mask { backdrop-filter: blur(4px); } }
.pc-drawer {
  position: fixed; z-index: 71; top: 0; right: 0; bottom: 0; width: min(480px, 100%);
  display: flex; flex-direction: column; background: var(--c-surface); box-shadow: var(--sh-lg);
  animation: pc-slide .25s var(--ease-out);
}
@keyframes pc-slide { from { transform: translateX(24px); opacity: 0; } }
@media (max-width: 639px) {
  .pc-drawer { top: auto; left: 0; width: 100%; max-height: 92vh; border-radius: var(--r-xl) var(--r-xl) 0 0; animation-name: pc-rise; }
  @keyframes pc-rise { from { transform: translateY(24px); opacity: 0; } }
}
.pc-drawer__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--c-border-soft); }
.pc-drawer__head h2 { font-size: 17px; display: flex; align-items: center; gap: 8px; }
.pc-drawer__head h2 .ic { color: var(--c-primary); width: 20px; height: 20px; }
.pc-drawer__body { flex: 1; overflow: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 16px; }
.pc-drawer__foot { padding: 12px 20px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--c-border-soft); display: flex; gap: 10px; justify-content: flex-end; align-items: center; }
.pc-drawer__foot .pc-drawer__hint { margin-right: auto; font-size: 12.5px; color: var(--c-text-3); }

.pc-points { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.pc-points button { height: 32px; min-width: 52px; padding: 0 12px; border-radius: var(--r-full); border: 1px solid var(--c-border); background: var(--c-surface); font-size: 13px; cursor: pointer; font-variant-numeric: tabular-nums; }
.pc-points button[aria-pressed="true"] { background: var(--c-gold-bg); border-color: #FCD34D; color: var(--c-gold-fg); font-weight: 600; }
.pc-points input { width: 96px; height: 32px; }

.pc-queue { display: flex; flex-direction: column; gap: 10px; }
.pc-queue:empty { display: none; }
.pc-qitem { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px; border-radius: var(--r-md); border: 1px solid var(--c-border-soft); background: #FBFCFE; }
.pc-qitem .ui-ring { width: 48px; height: 48px; }
.pc-qitem__icon { width: 48px; height: 48px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--c-primary-soft); color: var(--c-primary); }
.pc-qitem__name { font-family: var(--f-mono); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pc-qitem__meta { font-size: 12px; color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.pc-qitem__desc { grid-column: 1 / -1; }
.pc-qitem__desc .ui-input { height: 36px; font-size: 13px; }
.pc-qitem.is-done { border-color: #A7F3D0; background: var(--c-success-bg); }
.pc-qitem.is-done .pc-qitem__icon { background: var(--c-surface); color: var(--c-success); }
.pc-qitem.is-error { border-color: #FECDD3; background: var(--c-danger-bg); }
.pc-qitem.is-error .pc-qitem__meta { color: var(--c-danger-fg); }

/* ---------------------------------------------------------------- 图片查看 */
.pc-lightbox { position: fixed; inset: 0; z-index: 85; display: grid; grid-template-rows: auto 1fr auto; background: rgba(15,23,42,.9); color: #fff; animation: tk-in .2s var(--ease-out); }
.pc-lightbox__bar { display: flex; align-items: center; gap: 10px; padding: 10px 14px; padding-top: calc(10px + env(safe-area-inset-top)); }
.pc-lightbox__title { flex: 1; min-width: 0; font-family: var(--f-mono); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: .85; }
.pc-lightbox button { border: 0; background: rgba(255,255,255,.12); color: #fff; width: 40px; height: 40px; border-radius: var(--r-full); display: grid; place-items: center; cursor: pointer; }
.pc-lightbox button:hover { background: rgba(255,255,255,.22); }
.pc-lightbox__stage { position: relative; display: grid; place-items: center; min-height: 0; padding: 0 56px; }
.pc-lightbox__stage img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--r-sm); box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.pc-lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); }
.pc-lightbox__nav.is-prev { left: 10px; } .pc-lightbox__nav.is-next { right: 10px; }
.pc-lightbox__foot { padding: 10px; padding-bottom: calc(10px + env(safe-area-inset-bottom)); text-align: center; font-size: 12.5px; opacity: .7; font-variant-numeric: tabular-nums; }
@media (max-width: 639px) { .pc-lightbox__stage { padding: 0 8px; } .pc-lightbox__nav { display: none; } }

/* ---------------------------------------------------------------- 弹窗内容 */
.pc-form { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.pc-costline { justify-content: space-between; }
.pc-archive__head { font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.pc-archive__sum { font-size: 12.5px; color: var(--c-text-3); margin: 2px 0 10px; }
.pc-archive__list { list-style: none; margin: 0; padding: 0; max-height: 55vh; overflow: auto; border: 1px solid var(--c-border-soft); border-radius: var(--r-md); }
.pc-archive__list li { display: flex; align-items: center; gap: 8px; padding: 6px 10px; font-size: 12.5px; border-bottom: 1px solid var(--c-border-soft); }
.pc-archive__list li:last-child { border-bottom: 0; }
.pc-archive__list li .ic { color: var(--c-text-3); width: 14px; height: 14px; }
.pc-archive__list li.is-dir { font-weight: 500; background: #FBFCFE; }
.pc-archive__list li.is-dir .ic { color: var(--c-orange); }
.pc-archive__list .u-mono { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.pc-archive__size { color: var(--c-text-3); font-variant-numeric: tabular-nums; flex: none; }
.pc-archive__more { margin-top: 8px; font-size: 12.5px; color: var(--c-text-3); }
.pc-revs { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; max-height: 60vh; overflow: auto; }
.pc-revs__head { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 6px; }
.pc-revs__head time { margin-left: auto; color: var(--c-text-3); font-size: 12px; }
.pc-revs__label { font-size: 12px; color: var(--c-text-3); margin: 6px 0 2px; }
.pc-revs del, .pc-revs ins { display: block; padding: 6px 10px; border-radius: var(--r-sm); font-size: 13px; text-decoration: none; overflow-wrap: anywhere; }
.pc-revs del { background: var(--c-danger-bg); color: var(--c-danger-fg); }
.pc-revs ins { background: var(--c-success-bg); color: var(--c-success-fg); margin-top: 4px; }

/* ---------------------------------------------------------------- 发帖页 */
.pc-create { display: grid; gap: 20px; }
@media (min-width: 1024px) { .pc-create { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; } }
.pc-create__form { background: var(--c-surface); border-radius: var(--r-lg); border: 1px solid var(--c-border-soft); box-shadow: var(--sh-md); padding: 20px; display: flex; flex-direction: column; gap: 20px; }
@media (min-width: 640px) { .pc-create__form { padding: 24px 28px; } }
.pc-create__side { display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 1024px) { .pc-create__side { position: sticky; top: 16px; } }

.pc-typecards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pc-typecard { position: relative; display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: var(--r-lg); border: 1.5px solid var(--c-border); background: var(--c-surface); cursor: pointer; transition: border-color .15s, background .15s, box-shadow .15s; }
.pc-typecard input { position: absolute; opacity: 0; pointer-events: none; }
.pc-typecard__icon { width: 40px; height: 40px; flex: none; border-radius: 12px; display: grid; place-items: center; }
.pc-typecard__icon .ic { width: 22px; height: 22px; }
.pc-typecard[data-type="demand"] .pc-typecard__icon { background: var(--c-warning-bg); color: var(--c-warning-fg); }
.pc-typecard[data-type="supply"] .pc-typecard__icon { background: var(--c-primary-soft); color: var(--c-primary); }
.pc-typecard strong { display: block; font-size: 15px; font-weight: 600; }
.pc-typecard span { font-size: 12.5px; color: var(--c-text-2); }
.pc-typecard:hover { border-color: #C7D2FE; }
.pc-typecard:has(input:checked) { border-color: var(--c-primary); background: #FAFAFF; box-shadow: 0 0 0 3px rgba(99,102,241,.12); }
.pc-typecard:has(input:focus-visible) { box-shadow: var(--sh-focus); }
.pc-typecard.is-checked { border-color: var(--c-primary); background: #FAFAFF; }
@media (max-width: 479px) { .pc-typecard { flex-direction: column; } }

.pc-title-input { height: 44px; font-size: 15px; }
.pc-similar { display: flex; flex-direction: column; gap: 6px; }
.pc-similar a { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: var(--r-md); background: var(--c-surface); border: 1px solid var(--c-border-soft); color: var(--c-text); font-size: 13px; }
.pc-similar a:hover { border-color: #C7D2FE; color: var(--c-primary); }
.pc-similar a span:not(.ui-badge) { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pc-similar small { color: var(--c-text-3); font-size: 12px; flex: none; font-variant-numeric: tabular-nums; }
.pc-check { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--c-text-2); cursor: pointer; margin-top: 4px; }
.pc-check input { margin-top: 3px; accent-color: var(--c-primary); }
.pc-check.is-warning { color: var(--c-danger-fg); font-weight: 500; }
.pc-rules { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 13px; color: var(--c-text-2); }
.pc-rules li { display: flex; gap: 10px; }
.pc-rules .ic { color: var(--c-primary); margin-top: 2px; }
.pc-rules li.is-warn .ic { color: var(--c-danger); }
.pc-rules strong { color: var(--c-text); font-weight: 600; }

/* 吸底操作条（发帖页） */
.pc-stickybar { position: sticky; bottom: 0; z-index: 20; display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap;
  margin: 0 -20px -20px; padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: var(--c-surface-glass); border-top: 1px solid var(--c-border-soft); border-radius: 0 0 var(--r-lg) var(--r-lg); }
@supports (backdrop-filter: blur(12px)) { .pc-stickybar { backdrop-filter: blur(12px); } }
@media (min-width: 640px) { .pc-stickybar { margin: 0 -28px -24px; padding-left: 28px; padding-right: 28px; } }
.pc-stickybar__hint { margin-right: auto; font-size: 12.5px; color: var(--c-text-3); }
@media (max-width: 479px) { .pc-stickybar .ui-btn { flex: 1; } .pc-stickybar__hint { width: 100%; } }

.pc-draft { display: flex; align-items: center; gap: 8px; }