/* 拾集资料馆 · 青绿档案风（带后台管理版） */
:root, html.theme-green {
  --paper: #F3F7F4;
  --paper-2: #FFFFFF;
  --line: #DCE6DF;
  --ink: #182420;
  --ink-2: #46584E;
  --ink-3: #7B8D82;
  --g: #1F7A4D;
  --g-deep: #14532D;
  --g-tint: #E8F3EC;
  --paper-ink: #F3F7F4;
  --mask: rgba(16, 32, 24, .55);
  --shadow: 0 2px 10px rgba(20, 60, 40, .08);
  --shadow-lg: 0 12px 40px rgba(16, 48, 32, .18);
}
html.theme-pine {
  --paper: #F2F6F4;
  --paper-2: #FFFFFF;
  --line: #D7E1DA;
  --ink: #16221C;
  --ink-2: #43564C;
  --ink-3: #78897F;
  --g: #2F6B52;
  --g-deep: #1B4534;
  --g-tint: #E6F0EA;
  --mask: rgba(14, 30, 24, .55);
}
html.theme-moss {
  --paper: #F5F6F0;
  --paper-2: #FFFFFF;
  --line: #DFE3D4;
  --ink: #1E2418;
  --ink-2: #4E5741;
  --ink-3: #838C74;
  --g: #5F7D2E;
  --g-deep: #3E5518;
  --g-tint: #EDF1E0;
  --mask: rgba(30, 36, 16, .55);
}
:root {
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
}

/* ===== 顶栏 ===== */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(243, 247, 244, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
html.theme-pine .topbar { background: rgba(242, 246, 244, .92); }
html.theme-moss .topbar { background: rgba(245, 246, 240, .92); }
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; cursor: pointer; }
.brand-mark {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  background: var(--g); color: #fff;
  font-family: var(--serif); font-size: 24px; font-weight: 700;
  border-radius: 8px;
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3px var(--g-deep);
}
.brand-name { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: 2px; }
.brand-sub { font-size: 12px; color: var(--ink-3); letter-spacing: 1px; margin-top: 1px; }

.search-wrap { flex: 1; min-width: 240px; position: relative; }
.search-input {
  width: 100%; padding: 11px 16px 11px 40px;
  font-size: 15px; font-family: var(--sans);
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%237B8D82' stroke-width='2'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='m11 11 4 4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 14px center;
  transition: border-color .2s, box-shadow .2s;
}
.search-input:focus { border-color: var(--g); box-shadow: 0 0 0 3px rgba(31, 122, 77, .15); }
.search-count {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--ink-3); pointer-events: none;
}

/* ===== 公告条 ===== */
.notice {
  max-width: 1080px; margin: 14px auto 0; padding: 0 24px;
}
.notice-inner {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 11px 16px;
  background: var(--g-tint);
  border: 1px solid var(--g); border-left-width: 4px;
  border-radius: 10px;
  font-size: 13.5px; color: var(--g-deep);
}
.notice-inner::before { content: "公告"; flex: none; font-weight: 700; letter-spacing: 2px; padding-top: 1px; }
.notice[hidden] { display: none; }

/* ===== 分类 ===== */
.cats {
  position: sticky; top: 75px; z-index: 30;
  background: rgba(243, 247, 244, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
html.theme-pine .cats { background: rgba(242, 246, 244, .92); }
html.theme-moss .cats { background: rgba(245, 246, 240, .92); }
.cats-track {
  max-width: 1080px; margin: 0 auto; padding: 10px 24px;
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
}
.cats-track::-webkit-scrollbar { display: none; }
.chip {
  flex: none; padding: 6px 14px;
  font-size: 13.5px; font-family: var(--sans);
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  cursor: pointer; white-space: nowrap;
  transition: all .18s;
}
.chip:hover { border-color: var(--g); color: var(--g-deep); }
.chip.on { background: var(--g); color: #fff; border-color: var(--g); }
.chip .n { opacity: .6; font-size: 12px; margin-left: 3px; }

/* ===== 主体 ===== */
.main { max-width: 1080px; margin: 0 auto; padding: 20px 24px 60px; }
.stats-line { font-size: 13px; color: var(--ink-3); margin: 4px 2px 14px; }

.list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.item {
  background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px 16px;
  cursor: pointer; position: relative;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--g); }
.item:focus-visible { outline: 2px solid var(--g); outline-offset: 2px; }
.item-top { display: flex; align-items: baseline; gap: 10px; }
.item-num {
  font-family: var(--serif); font-size: 12px; color: var(--g);
  letter-spacing: 1px; flex: none;
  border-bottom: 2px solid rgba(31, 122, 77, .3);
  padding-bottom: 1px;
}
.item-title {
  font-family: var(--serif); font-size: 16.5px; font-weight: 700; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.item-meta { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-3); flex-wrap: wrap; }
.item-cat { color: var(--g-deep); }
.item-cat::before { content: "◆"; font-size: 8px; margin-right: 5px; vertical-align: 1px; }
.item-intro {
  font-size: 13.5px; color: var(--ink-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.item-size { margin-left: auto; flex: none; }

.empty { text-align: center; padding: 90px 20px; }
.empty-title { font-family: var(--serif); font-size: 20px; font-weight: 700; }
.empty-sub { color: var(--ink-3); font-size: 14px; margin: 8px 0 22px; }

/* ===== 分页（省略式） ===== */
.pager {
  display: flex; justify-content: center; align-items: center; gap: 6px;
  margin-top: 34px; flex-wrap: wrap;
}
.pg {
  min-width: 36px; height: 36px; padding: 0 10px;
  display: inline-grid; place-items: center;
  font-size: 14px; color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 8px;
  cursor: pointer; font-family: var(--sans);
  transition: all .18s;
}
.pg:hover:not(:disabled):not(.on) { border-color: var(--g); color: var(--g-deep); }
.pg.on { background: var(--g); color: #fff; border-color: var(--g); font-weight: 600; }
.pg:disabled { opacity: .35; cursor: default; }
.pg-gap { color: var(--ink-3); padding: 0 2px; letter-spacing: 2px; }

/* ===== 页脚 ===== */
.foot {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 36px 24px 46px; text-align: center;
}
.foot-note { font-family: var(--serif); font-size: 15px; font-weight: 700; letter-spacing: 1px; }
.foot-disc { max-width: 640px; margin: 12px auto 0; font-size: 12.5px; color: var(--ink-3); }
.foot-links { margin-top: 14px; display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.foot-link {
  font-size: 13px; color: var(--g-deep);
  background: none; border: none; cursor: pointer;
  font-family: var(--sans); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-color: rgba(31, 122, 77, .4);
}
.foot-link:hover { text-decoration-color: var(--g); }

/* ===== 详情弹层 ===== */
.modal { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: var(--mask); }
.modal-card {
  position: relative; width: 100%; max-width: 620px; max-height: 86vh; overflow-y: auto;
  background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 32px 28px;
  box-shadow: var(--shadow-lg);
  animation: pop .22s ease;
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--paper);
  color: var(--ink-2); font-size: 15px; cursor: pointer;
  transition: all .18s;
}
.modal-close:hover { background: var(--g); color: #fff; border-color: var(--g); }
.m-cat { font-size: 13px; color: var(--g-deep); letter-spacing: 1px; }
.m-cat::before { content: "◆"; font-size: 8px; margin-right: 6px; vertical-align: 1px; }
.m-title { font-family: var(--serif); font-size: 22px; font-weight: 700; line-height: 1.45; margin: 6px 40px 10px 0; }
.m-meta { font-size: 13px; color: var(--ink-3); display: flex; gap: 8px; flex-wrap: wrap; }
.m-meta .dot { opacity: .5; }
.m-intro { font-size: 14.5px; color: var(--ink-2); margin: 14px 0 0; }
.m-files {
  margin-top: 14px; padding: 12px 16px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  font-size: 13px; color: var(--ink-2); word-break: break-all;
}
.m-files::before { content: "包内文件"; display: block; font-size: 11.5px; color: var(--ink-3); letter-spacing: 2px; margin-bottom: 4px; }
.m-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.dl {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 10px; border-radius: 10px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.dl:hover { transform: translateY(-1px); filter: brightness(1.06); }
.dl-quark { background: #3D5AF1; color: #fff; }
.dl-baidu { background: #2932E1; color: #fff; }
.code-btn {
  margin-top: 14px; width: 100%;
  padding: 11px; border-radius: 10px;
  border: 1.5px dashed var(--g);
  background: rgba(31, 122, 77, .06);
  color: var(--g-deep); font-size: 14.5px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans);
}
.code-btn strong { font-family: var(--serif); font-size: 17px; letter-spacing: 3px; }
.code-hint { font-size: 12px; color: var(--ink-3); }
.code-btn.copied { border-style: solid; background: var(--g); color: #fff; }
.code-btn.copied .code-hint { color: rgba(255,255,255,.8); }
.m-tip { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 12px; }
.m-disc {
  margin-top: 16px; padding: 10px 14px;
  background: var(--g-tint); border-radius: 8px;
  font-size: 12px; color: var(--g-deep);
}

.btn-ghost {
  padding: 10px 26px; border-radius: 999px;
  border: 1px solid var(--g); background: transparent;
  color: var(--g-deep); font-size: 14px; cursor: pointer; font-family: var(--sans);
}
.btn-ghost:hover { background: var(--g); color: #fff; }

/* ===== 反馈弹层 ===== */
.fb-card { max-width: 480px; }
.fb-field { margin-top: 14px; }
.fb-label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.fb-input, .fb-area {
  width: 100%; padding: 10px 14px;
  font-size: 14px; font-family: var(--sans);
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 8px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.fb-input:focus, .fb-area:focus { border-color: var(--g); box-shadow: 0 0 0 3px rgba(31, 122, 77, .12); }
.fb-area { min-height: 110px; resize: vertical; }
.fb-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.btn-main {
  padding: 10px 26px; border-radius: 999px;
  border: 1px solid var(--g); background: var(--g);
  color: #fff; font-size: 14px; cursor: pointer; font-family: var(--sans);
  transition: filter .15s;
}
.btn-main:hover { filter: brightness(1.08); }
.btn-main:disabled { opacity: .5; cursor: default; }
.fb-ok { margin-top: 14px; padding: 10px 14px; border-radius: 8px; background: var(--g-tint); color: var(--g-deep); font-size: 13.5px; }

/* ===== 响应式 ===== */
@media (max-width: 720px) {
  .topbar-inner { padding: 12px 16px; gap: 12px; }
  .brand-sub { display: none; }
  .brand-mark { width: 38px; height: 38px; font-size: 19px; }
  .brand-name { font-size: 18px; }
  .search-wrap { order: 3; min-width: 100%; }
  .search-input { padding-top: 10px; padding-bottom: 10px; }
  .cats { top: 62px; }
  .cats-track { padding: 8px 16px; }
  .notice { padding: 0 16px; margin-top: 10px; }
  .main { padding: 14px 16px 48px; }
  .list { grid-template-columns: 1fr; gap: 10px; }
  .item { padding: 15px 16px 13px; }
  .item-title { font-size: 15.5px; }
  .modal { padding: 12px; }
  .modal-card { padding: 24px 20px 22px; border-radius: 14px; }
  .m-links { grid-template-columns: 1fr; }
  .m-title { font-size: 19px; }
}