.char-count-tool {
  --tool-blue: var(--cl_01, #0d6efd);
  --tool-dark: var(--global-text, #333);
  --tool-border: var(--border_01, #ddd);
  --tool-bg-light: var(--bg_04, #fff);
  --tool-bg-gray: var(--bg_03, #f5f7fa);
  --tool-bg-yellow: #ffecb3;
  --tool-bg-orange: #ffe0b2;
  --tool-bg-green: #c8e6c9;
  --tool-bg-teal: #b2dfdb;
  --tool-bg-sky: #bbdefb;
  --tool-bg-indigo: #e8eaf6;
  --tool-bg-blue-light: #d1e7ff;
}
.night .char-count-tool {
  --tool-blue: #4dabf7;
  --tool-dark: #e9ecef;
  --tool-border: #444;
  --tool-bg-light: #2d3748;
  --tool-bg-gray: #27272a;
  --tool-bg-yellow: #433828;
  --tool-bg-orange: #473929;
  --tool-bg-green: #283629;
  --tool-bg-teal: #263836;
  --tool-bg-sky: #283648;
  --tool-bg-indigo: #2d2f41;
  --tool-bg-blue-light: #253341;
}
.char-count-tool {
  color: var(--tool-dark);
  font: 14px/1.5 system-ui, sans-serif;
  max-width: 100%;
  margin: 10px auto;
  padding: 0 5px;
}
.char-count-tool h1 {
  color: var(--tool-blue);
  font-size: 28px;
  font-weight: lighter;
  text-align: center;
  margin-bottom: 30px;
}
.char-count-tool h2, 
.char-count-tool h3 {
  border-bottom: 1px solid var(--tool-border);
  color: var(--tool-dark);
  margin: 8px 0;
}
.char-count-tool h2 {
  font-size: 18px;
}
.char-count-tool h3 {
  font-size: 16px;
}
.char-count-tool .cb {
  color: var(--tool-dark);
  line-height: 1.6;
  margin-bottom: 20px;
}
.char-count-tool .cb strong {
  color: var(--tool-blue);
  font-weight: 700;
}
.char-count-tool textarea {
  margin-top: 2px;
  min-height: 200px;
  width: 100%;
  border: 1px solid var(--tool-border);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.5;
  padding: 6px 12px;
  font-family: Courier New;
  background-color: var(--tool-bg-light);
  color: var(--tool-dark);
  resize: none; 
}
.char-count-tool .ch {
  margin-bottom: .25rem;
  font-weight: 600;
}
.char-count-tool .cz {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 10px;
}
.char-count-tool .da {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.char-count-tool .db {
  border-right: 1px dashed var(--tool-border);
  padding-right: 10px;
}
.char-count-tool .dc {
  display: flex;
  align-items: center;
  gap: 10px;
}
.char-count-tool .dd {
  display: flex;
  align-items: center;
  background-color: var(--tool-bg-gray);
  border-radius: 6px;
  flex: 1;
  gap: 5px;
  padding: 6px 10px;
}
.char-count-tool .dq .dg, 
.char-count-tool h2 {
  font-size: 18px;
}
.char-count-tool .df {
  color: #555;
  font-size: 14px;
  white-space: nowrap;
}
.night .char-count-tool .df {
  color: #bbb;
}
.char-count-tool .dg {
  color: #06c;
  font-size: 16px;
  font-weight: 700;
}
.night .char-count-tool .dg {
  color: #4dabf7;
}
.char-count-tool .dn {
  margin-bottom: 15px;
}
.char-count-tool .dd.de {
  background-color: var(--tool-bg-yellow);
}
.char-count-tool .dd.dh {
  background-color: var(--tool-bg-orange);
}
.char-count-tool .dd.dk {
  background-color: var(--tool-bg-green);
}
.char-count-tool .dd.dl {
  background-color: var(--tool-bg-teal);
}
.char-count-tool .dd.do {
  background-color: var(--tool-bg-sky);
}
.char-count-tool .dd.dp {
  background-color: var(--tool-bg-indigo);
}
.char-count-tool .dd.dq {
  background-color: var(--tool-bg-blue-light);
  padding: 6px 10px;
}
.char-count-tool .dr {
  background-color: var(--tool-bg-gray);
  border-radius: 6px;
  border-top: 1px solid var(--tool-border);
  margin-top: 5px;
  padding: 10px;
}
.char-count-tool .ds {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.char-count-tool .dt {
  color: var(--tool-dark);
  font-size: 15px;
  margin: 0;
  white-space: nowrap;
}
.char-count-tool .du {
  color: #666;
  font-size: 13px;
  margin: 0;
}
.night .char-count-tool .du {
  color: #aaa;
}
.char-count-tool .dv {
  display: flex;
  align-items: center;
  background-color: var(--tool-bg-light);
  border-radius: 6px;
  box-shadow: 0 1px 2px #0000000d;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
  padding: 8px;
}
.char-count-tool .dw {
  display: flex;
  align-items: center;
  flex-direction: column;
  border-radius: 4px;
  min-width: 40px;
  padding: 4px 6px;
  text-align: center;
}
.char-count-tool .dz {
  color: #666;
  font-size: 16px;
  font-weight: 700;
}
.night .char-count-tool .dz {
  color: #bbb;
}
.char-count-tool .dx {
  font-size: 14px;
  font-weight: 700;
}
.char-count-tool .dy {
  font-size: 11px;
  margin-top: 2px;
}
.char-count-tool .dw.ea {
  background: 0 0;
  box-shadow: none;
  font-size: 16px;
  font-weight: 700;
  padding: 0 4px;
}
.char-count-tool .dw.eb {
  background-color: #d1c4e9;
}
.night .char-count-tool .dw.eb {
  background-color: #4b4158;
}
.char-count-tool .co {
  display: flex;
  align-items: center;
  flex-direction: row;
  gap: 15px;
  justify-content: space-between;
  margin-top: 10px;
  margin-bottom: 20px;
}
.char-count-tool .cp {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.char-count-tool .cq {
  color: #555;
  font-size: 14px;
  white-space: nowrap;
}
.night .char-count-tool .cq {
  color: #bbb;
}
.char-count-tool .cr {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}
.char-count-tool .cs {
  display: flex;
  align-items: center;
  font-size: 13px;
}
.char-count-tool .cs input {
  margin-right: 5px;
}
.char-count-tool .ct {
  display: flex;
  align-items: center;
  font-size: 14px;
  white-space: nowrap;
}
.char-count-tool .ct input {
  margin-right: 5px;
}
.char-count-tool .cu {
  border: none;
  border-radius: 4px;
  font-size: 14px;
  margin: 3px;
  padding: 6px 12px;
  text-align: center;
  background: #666;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s;
}
.night .char-count-tool .cu {
  background: #444;
}
.char-count-tool .cu:hover {
  background: #555;
}
.night .char-count-tool .cu:hover {
  background: #333;
}
.char-count-tool .ci {
  min-height: 120px;
  position: relative;
  width: 100%;
}
.char-count-tool .cl {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f5f5f5;
  border: 1px solid var(--tool-border);
  border-radius: 0 0 4px 4px;
  border-top: none;
  bottom: 0;
  height: 20px; 
  left: 0;
  position: absolute;
  right: 0;
  z-index: 5;
  cursor: ns-resize; 
}
.night .char-count-tool .cl {
  background-color: #333;
}
.char-count-tool .cm {
  display: flex;
  gap: 4px;
}
.char-count-tool .cm span {
  background-color: #aaa;
  border-radius: 1px;
  height: 4px; 
  width: 20px;
}
.night .char-count-tool .cm span {
  background-color: #666;
}
.char-count-tool .cn {
  opacity: 0;
  position: absolute;
  right: 10px;
  font-size: 12px;
  transition: opacity 0.2s;
}
.char-count-tool .cl:hover .cn {
  opacity: 1;
}
.char-count-tool .usage-section {
  margin-top: 30px;
  padding: 15px;
  background-color: var(--tool-bg-gray);
  border-radius: 8px;
  border: 1px solid var(--tool-border);
}
.char-count-tool .usage-section h3 {
  margin-top: 0;
  border-bottom: 1px solid var(--tool-border);
  padding-bottom: 8px;
}
.char-count-tool .usage-list {
  list-style: none;
  padding-left: 0;
  margin: 10px 0 0 0;
}
.char-count-tool .usage-list li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}
.char-count-tool .usage-list li:before {
  content: "✓";
  display: inline-block;
  margin-right: .3em;
  width: 1em;
  color: #06c;
  position: absolute;
  left: 0;
}
.night .char-count-tool .usage-list li:before {
  color: #4dabf7;
}
@media (max-width: 767px) {
  .char-count-tool .cz {
    grid-template-columns: 1fr;
  }
  .char-count-tool .db {
    border-bottom: 1px dashed var(--tool-border);
    border-right: none;
    margin-bottom: 8px;
    padding-bottom: 8px;
    padding-right: 0;
  }
  .char-count-tool .ds, 
  .char-count-tool .co {
    align-items: flex-start;
    flex-direction: column;
  }
  .char-count-tool .ct {
    margin-top: 10px;
    order: 2;
  }
  .char-count-tool .dn .dc {
    grid-template-columns: 1fr 1fr;
  }
  .char-count-tool .dd.dq {
    grid-column: span 2;
    margin-top: 8px;
  }
}


/* ===== 暗黑模式适配（body.night）===== */
.night .char-count-tool { color:#e6e8eb !important; }
.night .char-count-tool .du, .night .char-count-tool .dz { color:#9aa2ad !important; }
.night .char-count-tool .cl { background-color:#222630 !important; border-color:#3a3f48 !important; }
.night .char-count-tool textarea, .night .char-count-tool input { background:#1a1d24 !important; color:#e6e8eb !important; border-color:#3a3f48 !important; }
.night .char-count-tool .cm span { background-color:#3a3f48 !important; }