/* Extracted from kgtools-tool-page.html. STAGE tokens must stay. */
@import url("/fonts/tool/jetbrains-mono.css");
@import url("/fonts/tool/misans.css");

    html.kg-tool {
      /* 赛博朋克 HUD。静态边框 5892E8，选中/可操作 3CE5E5 */
      --accent: #5892E8;
      --hot: #3CE5E5;
      --accent-grad: var(--accent);
      --ok: #3CE5E5;
      --danger: #ff2a32;
      --text: #f7f7fb;
      --muted: #8291AB;
      --line: rgba(88, 146, 232, .22);
      --glass: rgba(10, 14, 26, .72);
      --glass-strong: rgba(12, 16, 28, .86);
      --code: #f4f5f8;
      --tok-key: #4CC9F0;
      --tok-str: #F72585;
      --tok-num: #4895EF;
      --tok-kw: #B5179E;
      --tok-punc: #4361EE;
      --radius-shell: 0px;
      --radius-stage: 0px;
      --radius-ctrl: 0px;
      --radius-inner: 0px;
      --tab-strip: rgba(8, 10, 18, .88);
      --tab-surface: rgba(16, 20, 32, .92);
      --panel-head-h: 52px;
      --cut: 10px;
      /* STAGE 锁定。加工具只往 .stage 里填内容，禁止改这些值，也禁止覆盖 .stage 的 margin / 滚动条。
         --guide-inset  内框到主边
         --guide-cut    内框切角；滚动条宽度；滚动条相对内框的上下收进
         --content-inset  正文到主边（含中缝枢纽）
         --line-pad-y   首行在滚动区内的顶距（与切角相加后，行号仍离顶线 12px） */
      --guide-inset: 7px;
      --guide-cut: 8px;
      --scroll-edge: var(--guide-cut);
      --content-inset: 52px;
      --gutter-w: 48px;
      --line-pad-y: 2px;
      --line-pad-left: 4px;
      --line-pad-right: calc(var(--content-inset) - var(--scroll-edge));
      --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", monospace;
      --sans: "MiSans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
      --display: var(--sans);
      --nav: var(--sans);
      --scroll-size: 10px;
      --scroll-track: rgba(88, 146, 232, .16);
      --scroll-track-line: rgba(88, 146, 232, .35);
      --scroll-thumb: rgba(60, 229, 229, .7);
      --scroll-thumb-border: rgba(60, 229, 229, .85);
      --scroll-thumb-hover: rgba(60, 229, 229, .68);
      --scroll-glow: rgba(60, 229, 229, .32);
    }
    html.kg-tool[data-theme="light"] {
      --accent: #5892E8;
      --hot: #1aa8a8;
      --text: #111827;
      --muted: #8291AB;
      --line: #d7e3f7;
      --glass: #ffffff;
      --glass-strong: #ffffff;
      --code: #111827;
      --tok-key: #4361EE;
      --tok-str: #F72585;
      --tok-num: #3F37C9;
      --tok-kw: #7209B7;
      --tok-punc: #560BAD;
      --tab-strip: #e8eaed;
      --tab-surface: #ffffff;
      --scroll-track: rgba(232, 237, 247, .92);
      --scroll-track-line: rgba(88, 146, 232, .24);
      --scroll-thumb: rgba(88, 146, 232, .36);
      --scroll-thumb-border: rgba(88, 146, 232, .48);
      --scroll-thumb-hover: rgba(26, 168, 168, .58);
      --scroll-glow: rgba(26, 168, 168, .24);
    }
    * { box-sizing: border-box; }
    @supports (-moz-appearance: none) {
      textarea,
      .code-sheet,
      .editor.is-live,
      .tree,
      .ua-wrap,
      .panel-body,
      .charset-menu,
      .tabs,
      .img-preview {
        scrollbar-width: thin;
        scrollbar-color: var(--scroll-thumb) var(--scroll-track);
      }
    }
    textarea::-webkit-scrollbar,
    .code-sheet::-webkit-scrollbar,
    .editor.is-live::-webkit-scrollbar,
    .tree::-webkit-scrollbar,
    .ua-wrap::-webkit-scrollbar,
    .charset-menu::-webkit-scrollbar,
    .tabs::-webkit-scrollbar,
    .img-preview::-webkit-scrollbar,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar {
      width: var(--scroll-size);
      height: var(--scroll-size);
    }
    textarea::-webkit-scrollbar-track,
    .code-sheet::-webkit-scrollbar-track,
    .editor.is-live::-webkit-scrollbar-track,
    .tree::-webkit-scrollbar-track,
    .ua-wrap::-webkit-scrollbar-track,
    .charset-menu::-webkit-scrollbar-track,
    .tabs::-webkit-scrollbar-track,
    .img-preview::-webkit-scrollbar-track,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-track {
      background:
        repeating-linear-gradient(0deg, transparent 0 3px, rgba(88, 146, 232, .05) 3px 4px),
        var(--scroll-track);
      border-left: 1px solid var(--scroll-track-line);
    }
    textarea::-webkit-scrollbar-track:horizontal,
    .code-sheet::-webkit-scrollbar-track:horizontal,
    .editor.is-live::-webkit-scrollbar-track:horizontal,
    .tree::-webkit-scrollbar-track:horizontal,
    .ua-wrap::-webkit-scrollbar-track:horizontal,
    .charset-menu::-webkit-scrollbar-track:horizontal,
    .tabs::-webkit-scrollbar-track:horizontal,
    .img-preview::-webkit-scrollbar-track:horizontal,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-track:horizontal {
      border-left: 0;
      border-top: 1px solid var(--scroll-track-line);
    }
    textarea::-webkit-scrollbar-thumb,
    .code-sheet::-webkit-scrollbar-thumb,
    .editor.is-live::-webkit-scrollbar-thumb,
    .tree::-webkit-scrollbar-thumb,
    .ua-wrap::-webkit-scrollbar-thumb,
    .charset-menu::-webkit-scrollbar-thumb,
    .tabs::-webkit-scrollbar-thumb,
    .img-preview::-webkit-scrollbar-thumb,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-thumb {
      border-radius: 0;
      background:
        linear-gradient(180deg, rgba(60, 229, 229, .28) 0%, var(--scroll-thumb) 42%, rgba(88, 146, 232, .55) 100%);
      border: 1px solid var(--scroll-thumb-border);
      box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, .04),
        0 0 8px rgba(88, 146, 232, .12);
    }
    textarea::-webkit-scrollbar-thumb:hover,
    .code-sheet::-webkit-scrollbar-thumb:hover,
    .editor.is-live::-webkit-scrollbar-thumb:hover,
    .tree::-webkit-scrollbar-thumb:hover,
    .ua-wrap::-webkit-scrollbar-thumb:hover,
    .charset-menu::-webkit-scrollbar-thumb:hover,
    .tabs::-webkit-scrollbar-thumb:hover,
    .img-preview::-webkit-scrollbar-thumb:hover,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-thumb:hover {
      background:
        linear-gradient(180deg, rgba(60, 229, 229, .55) 0%, var(--scroll-thumb-hover) 48%, rgba(88, 146, 232, .72) 100%);
      border-color: var(--hot);
      box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, .08),
        0 0 10px var(--scroll-glow);
    }
    textarea::-webkit-scrollbar-thumb:active,
    .code-sheet::-webkit-scrollbar-thumb:active,
    .editor.is-live::-webkit-scrollbar-thumb:active,
    .tree::-webkit-scrollbar-thumb:active,
    .ua-wrap::-webkit-scrollbar-thumb:active,
    .charset-menu::-webkit-scrollbar-thumb:active,
    .tabs::-webkit-scrollbar-thumb:active,
    .img-preview::-webkit-scrollbar-thumb:active,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-thumb:active {
      background: linear-gradient(180deg, rgba(60, 229, 229, .72), rgba(88, 146, 232, .82));
      box-shadow: 0 0 14px var(--scroll-glow);
    }
    textarea::-webkit-scrollbar-corner,
    .code-sheet::-webkit-scrollbar-corner,
    .editor.is-live::-webkit-scrollbar-corner,
    .tree::-webkit-scrollbar-corner,
    .ua-wrap::-webkit-scrollbar-corner,
    .charset-menu::-webkit-scrollbar-corner,
    .tabs::-webkit-scrollbar-corner,
    .img-preview::-webkit-scrollbar-corner,
    html.kg-tool[data-theme="light"] body::-webkit-scrollbar-corner {
      background: var(--scroll-track);
    }
    html.kg-tool, html.kg-tool body {
      height: 100%;
      min-height: 100%;
      min-height: 100dvh;
      margin: 0;
    }
    html.kg-tool {
      background: #080c18;
    }
    html.kg-tool body {
      position: relative;
      color: var(--text);
      font: 13px/1.45 var(--sans);
      letter-spacing: .04em;
      overflow: hidden;
      background:
        radial-gradient(90% 60% at 8% -10%, rgba(88, 146, 232, .18), transparent 52%),
        radial-gradient(70% 50% at 92% 8%, rgba(88, 146, 232, .08), transparent 58%),
        radial-gradient(80% 50% at 88% 110%, rgba(88, 146, 232, .07), transparent 56%),
        linear-gradient(180deg, #0c1428 0%, #0b1020 42%, #080c18 100%);
    }
    .stage {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      min-height: 100dvh;
      z-index: 0;
      pointer-events: none;
      background:
        radial-gradient(90% 60% at 8% -10%, rgba(88, 146, 232, .18), transparent 52%),
        radial-gradient(70% 50% at 92% 8%, rgba(88, 146, 232, .08), transparent 58%),
        radial-gradient(80% 50% at 88% 110%, rgba(88, 146, 232, .07), transparent 56%),
        linear-gradient(180deg, #0c1428 0%, #0b1020 42%, #080c18 100%);
    }
    .stage::before {
      content: "";
      position: absolute;
      inset: -22%;
      pointer-events: none;
      opacity: .45;
      background-image:
        linear-gradient(rgba(88, 146, 232, .07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(88, 146, 232, .05) 1px, transparent 1px);
      background-size: 36px 36px;
      transform: skewY(-6deg);
      transform-origin: center;
    }
    .stage::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        repeating-linear-gradient(0deg, transparent 0 2px, rgba(0, 0, 0, .14) 3px),
        radial-gradient(ellipse 42% 32% at 12% 8%, rgba(88, 146, 232, .22), transparent 70%),
        radial-gradient(ellipse 38% 28% at 88% 18%, rgba(88, 146, 232, .1), transparent 72%);
      opacity: .7;
    }
    html.kg-tool[data-theme="light"] body {
      overflow: auto;
      background:
        radial-gradient(900px 520px at 16% 0%, rgba(88, 146, 232, .18), transparent 58%),
        radial-gradient(720px 480px at 88% 12%, rgba(88, 146, 232, .08), transparent 52%),
        #f6f7f9;
    }
    html.kg-tool[data-theme="light"] .stage { display: none; }
    button { font: inherit; }
    .frost {
      background: var(--glass);
      border: 1px solid var(--line);
    }
    .shell {
      position: relative;
      z-index: 1;
      height: 100%;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 56px;
      grid-template-rows: 44px 44px minmax(0, 1fr) 40px;
    }
    .app {
      display: contents;
    }
    .sub { grid-column: 1; grid-row: 2; }
    #main {
      grid-column: 1;
      grid-row: 3;
      display: grid;
      min-height: 0;
      height: 100%;
    }
    .site-foot {
      grid-column: 1;
      grid-row: 4;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 16px;
      min-height: 0;
      color: rgba(156, 166, 185, .42);
      font-size: 12px;
      font-weight: 400;
      letter-spacing: .02em;
      line-height: 1;
    }
    .site-foot-note {
      color: inherit;
      font-weight: inherit;
      margin-left: auto;
      flex: 0 0 auto;
    }
    .site-foot a {
      color: inherit;
      font-weight: inherit;
      text-decoration: none;
    }
    .site-foot a:hover {
      color: var(--accent);
    }
    html.kg-tool[data-theme="light"] .site-foot {
      color: rgba(120, 130, 148, .55);
    }
    .top {
      position: relative;
      display: flex;
      align-items: center;
      gap: 8px;
      grid-column: 1 / -1;
      grid-row: 1;
      margin: 0;
      padding: 0 16px;
      height: 44px;
      border-radius: 0;
      border-width: 0;
      background: transparent;
      overflow: visible;
    }
    .top-strip {
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background: var(--tab-strip);
    }
    .logo {
      display: flex;
      align-items: center;
      position: relative;
      z-index: 1;
      margin-right: 12px;
      height: 32px;
    }
    .logo img {
      display: block;
      height: 22px;
      width: auto;
    }
    .nav { display: flex; align-items: stretch; align-self: stretch; position: relative; z-index: 1; gap: 4px; min-width: 0; }
    .nav button, .icon-btn, .seg button, .ghost, .primary, .copy-btn {
      border: 0;
      cursor: pointer;
      background: transparent;
    }
    .nav button {
      position: relative;
      display: flex;
      align-items: center;
      height: auto;
      padding: 0 22px;
      border-radius: 0;
      color: var(--muted);
      font-family: var(--nav);
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      letter-spacing: .04em;
    }
    .nav button span {
      position: relative;
      z-index: 1;
    }
    .nav button:hover { color: var(--hot); background: transparent; }
    html.kg-tool[data-theme="light"] .nav button:hover { background: transparent; }
    .nav button.active {
      color: var(--hot);
      background: transparent;
      padding: 8px 22px 0;
      text-shadow: 0 0 12px rgba(60, 229, 229, .45);
      z-index: 2;
    }
    .nav .nav-frame { display: none; }
    .nav button.active::before,
    .nav button.active::after {
      content: "";
      position: absolute;
      top: 8px;
      bottom: 0;
      width: 16px;
      z-index: 1;
      pointer-events: none;
    }
    .nav button.active::before {
      left: 0;
      background:
        linear-gradient(135deg, transparent calc(50% - 1px), var(--hot) calc(50% - 1px), var(--hot) calc(50% + 1px), transparent calc(50% + 1px)) 0 0 / 10px 10px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 10px 0 / 12px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 0 10px / 2px 12px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 0 50% / 2px 10px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 0 calc(100% - 12px) / 2px 12px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 0 100% / 12px 2px no-repeat;
    }
    .nav button.active::after {
      right: 0;
      left: auto;
      background:
        linear-gradient(var(--hot), var(--hot)) calc(100% - 12px) 0 / 12px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 100% 0 / 2px 12px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 100% 50% / 2px 10px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 100% calc(100% - 12px) / 2px 12px no-repeat,
        linear-gradient(var(--hot), var(--hot)) calc(100% - 12px) 100% / 12px 2px no-repeat;
    }
    .nav button:not(.active):not(:hover) + button:not(.active):not(:hover)::before {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      bottom: 10px;
      width: 1px;
      background: rgba(88, 146, 232, .28);
      pointer-events: none;
    }
    html.kg-tool[data-theme="light"] .nav button:not(.active):not(:hover) + button:not(.active):not(:hover)::before {
      background: rgba(88, 146, 232, .35);
    }
    .top-actions { margin-left: auto; display: flex; position: relative; z-index: 1; gap: 6px; padding-right: 8px; }
    .top-end {
      margin-left: auto;
      position: relative;
      z-index: 1;
      width: 132px;
      align-self: stretch;
      pointer-events: none;
      background:
        repeating-linear-gradient(-45deg, var(--accent) 0 3px, transparent 3px 7px) 100% 10px / 72px 16px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 100% / 108px 3px no-repeat;
    }
    .icon-btn, .ghost, .copy-btn, .icon-act {
      width: 28px;
      height: 28px;
      padding: 0;
      display: grid;
      place-items: center;
      border-radius: 0;
      border: 1px solid var(--accent);
      color: var(--muted);
      background: rgba(8, 12, 22, .55);
      clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
    }
    .ghost, .copy-btn {
      width: 28px;
      height: 28px;
      clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
    }
    .ghost svg, .copy-btn svg {
      width: 16px;
      height: 16px;
      max-width: 16px;
      max-height: 16px;
      display: block;
    }
    .ghost .letter-mark {
      display: grid;
      place-items: center;
      width: 18px;
      height: 18px;
      font: 700 16px/1 var(--sans);
      letter-spacing: 0;
    }
    button svg {
      max-width: 22px;
      max-height: 22px;
    }
    .icon-btn:hover, .icon-act:hover {
      color: var(--hot);
    }
    .ghost:hover:not(:disabled):not(.is-on), .copy-btn:hover:not(:disabled) {
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .12);
      box-shadow: 0 0 12px rgba(60, 229, 229, .28);
    }
    .ghost.is-on {
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .16);
    }
    .ghost.is-on:hover {
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .16);
      box-shadow: none;
    }
    .ghost.is-on:disabled,
    .ghost.is-on:disabled:hover {
      color: var(--muted);
      border-color: var(--accent);
      background: rgba(8, 12, 22, .55);
      box-shadow: none;
    }
    .icon-btn.active {
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .16);
      box-shadow: 0 0 12px rgba(60, 229, 229, .28);
    }
    html.kg-tool[data-theme="light"] .icon-btn:hover,
    html.kg-tool[data-theme="light"] .icon-act:hover { color: var(--hot); }
    html.kg-tool[data-theme="light"] .ghost:hover:not(:disabled):not(.is-on),
    html.kg-tool[data-theme="light"] .copy-btn:hover:not(:disabled) {
      color: var(--hot);
      background: rgba(60, 229, 229, .12);
    }
    html.kg-tool[data-theme="light"] .ghost.is-on,
    html.kg-tool[data-theme="light"] .ghost.is-on:hover {
      background: rgba(26, 168, 168, .16);
    }
    html.kg-tool[data-theme="light"] .ghost.is-on:disabled,
    html.kg-tool[data-theme="light"] .ghost.is-on:disabled:hover {
      color: var(--muted);
      background: rgba(8, 12, 22, .55);
    }
    .ghost {
      color: var(--muted);
    }
    .copy-btn.is-copied,
    .is-copy-act.is-copied { color: var(--hot); }
    .is-copy-act .copy-face { display: grid; place-items: center; }
    .is-copy-act .copy-face.is-ok { display: none; }
    .is-copy-act.is-copied .copy-face.is-copy { display: none; }
    .is-copy-act.is-copied .copy-face.is-ok { display: grid; }
    .copy-btn:disabled, .ghost:disabled { opacity: .38; cursor: not-allowed; }
    .seg {
      display: flex;
      padding: 0;
      border: 0;
      background: rgba(0,0,0,.28);
      clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
    }
    html.kg-tool[data-theme="light"] .seg { background: rgba(88, 146, 232, .08); }
    .seg button {
      position: relative;
      width: 28px;
      height: 28px;
      padding: 0;
      border-radius: 0;
      border: 1px solid var(--accent);
      margin-right: -1px;
      color: var(--muted);
      display: grid;
      place-items: center;
    }
    .seg button:last-child { margin-right: 0; }
    .seg button svg { width: 16px; height: 16px; }
    .seg button:hover { color: var(--hot); }
    .seg button.active {
      z-index: 1;
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .16);
    }
    .seg button.active:hover { color: var(--hot); }
    .seg button.is-label {
      width: auto;
      min-width: 36px;
      padding: 0 8px;
      font: 600 11px/28px var(--sans);
      letter-spacing: .04em;
    }
    html.kg-tool[data-theme="light"] .seg button.active { background: rgba(26, 168, 168, .16); }
    .charset-drop {
      position: relative;
      z-index: 8;
    }
    .charset-btn {
      position: relative;
      width: auto;
      min-width: 64px;
      padding: 0 18px 0 8px;
      font: 600 11px/28px var(--sans);
      letter-spacing: .04em;
    }
    .charset-btn::after {
      content: "";
      position: absolute;
      right: 7px;
      top: 50%;
      width: 5px;
      height: 5px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: translateY(-70%) rotate(45deg);
    }
    .charset-drop.is-open .charset-btn {
      color: var(--hot);
      border-color: var(--hot);
    }
    .charset-menu {
      display: none;
      position: absolute;
      right: 0;
      top: calc(100% + 6px);
      min-width: 108px;
      max-height: min(360px, calc(100vh - 160px));
      overflow: auto;
      padding: 4px;
      border: 1px solid var(--hot);
      background: color-mix(in srgb, var(--hot) 10%, #05080f);
      box-shadow: 0 0 14px color-mix(in srgb, var(--hot) 18%, transparent);
      z-index: 12;
    }
    .charset-drop.is-open .charset-menu { display: block; }
    .charset-btn.is-wide {
      min-width: 88px;
      max-width: 148px;
    }
    .ghost.hash-key {
      position: relative;
      width: 188px;
      min-width: 188px;
      max-width: 188px;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      padding: 0 2px 0 0;
      cursor: text;
    }
    .ghost.hash-key > svg {
      flex: 0 0 16px;
      margin: 0 6px 0 6px;
    }
    .ghost.hash-key input {
      flex: 1;
      min-width: 0;
      height: 26px;
      padding: 0 22px 0 0;
      border: 0;
      background: transparent;
      color: var(--text);
      font: 12px/26px var(--mono);
      outline: none;
      caret-color: var(--hot);
    }
    .ghost.hash-key input::placeholder {
      color: var(--muted);
      opacity: 1;
      font: 12px/26px var(--mono);
    }
    .hash-key-clear {
      position: absolute;
      top: 50%;
      right: 2px;
      transform: translateY(-50%);
      width: 22px;
      height: 22px;
      margin: 0;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      display: grid;
      place-items: center;
      clip-path: none;
      box-shadow: none;
    }
    .hash-key-clear svg {
      width: 12px;
      height: 12px;
      max-width: 12px;
      max-height: 12px;
    }
    .hash-key-clear:hover {
      color: var(--hot);
      background: transparent;
      border-color: transparent;
      box-shadow: none;
    }
    .hash-key-clear[hidden] { display: none; }
    .ghost.hash-key:focus-within {
      color: var(--hot);
      border-color: var(--hot);
      background: rgba(60, 229, 229, .12);
    }
    html.kg-tool[data-theme="light"] .ghost.hash-key:focus-within {
      background: rgba(26, 168, 168, .16);
    }
    .ghost.hash-key.is-iv {
      width: 128px;
      min-width: 128px;
      max-width: 128px;
    }
    .ghost.hash-key.is-pem {
      width: 248px;
      min-width: 248px;
      max-width: 248px;
    }
    .curl-group {
      padding: 8px 8px 2px;
      color: var(--accent);
      font: 700 9px/1 var(--sans);
      letter-spacing: .16em;
      text-transform: uppercase;
      opacity: .72;
    }
    .curl-group:first-child { padding-top: 4px; }
    .charset-menu button {
      display: block;
      width: 100%;
      height: 28px;
      padding: 0 8px;
      border: 0;
      background: transparent;
      color: var(--muted);
      font: 600 11px/28px var(--sans);
      letter-spacing: .04em;
      text-align: left;
      cursor: pointer;
    }
    .charset-menu button:hover,
    .charset-menu button.is-on {
      color: var(--hot);
      background: color-mix(in srgb, var(--hot) 12%, transparent);
    }
    html.kg-tool[data-theme="light"] .charset-menu {
      background: #fff;
      box-shadow: 0 8px 24px rgba(17, 24, 39, .12);
    }
    html.kg-tool[data-theme="light"] .charset-menu button:hover,
    html.kg-tool[data-theme="light"] .charset-menu button.is-on {
      background: rgba(26, 168, 168, .12);
    }
    .sub {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 0 16px 0 32px;
      background: transparent;
    }
    .tabs { display: flex; gap: 2px; min-width: 0; overflow: auto; }
    .tabs button {
      position: relative;
      height: 32px;
      padding: 0 12px;
      border: 0;
      color: var(--muted);
      background: transparent;
      cursor: pointer;
      white-space: nowrap;
      font-family: var(--nav);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: .04em;
    }
    .tabs button:first-child { padding-left: 0; }
    .tabs button:hover { color: var(--hot); }
    .tabs button.active { color: var(--hot); }
    .tabs button.active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 4px;
      height: 2px;
      border-radius: 0;
      background: var(--hot);
      box-shadow: 0 0 8px rgba(60, 229, 229, .55);
      clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
    }
    .tabs button:first-child.active::after { left: 0; }
    .workspace, .compare {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      min-height: 0;
      margin: 0 16px;
      overflow: visible;
      border-radius: 0;
      clip-path: polygon(
        var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut),
        100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%,
        var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut)
      );
      background: var(--glass);
      border: 1px solid var(--accent);
      filter: drop-shadow(0 18px 40px rgba(0,0,0,.42));
    }
    .workspace::before, .compare::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 4;
      pointer-events: none;
      background:
        linear-gradient(var(--accent), var(--accent)) var(--cut) 0 / 28px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 var(--cut) / 2px 28px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - var(--cut) - 28px) 0 / 28px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% var(--cut) / 2px 28px no-repeat,
        linear-gradient(var(--accent), var(--accent)) var(--cut) 100% / 28px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 calc(100% - var(--cut) - 28px) / 2px 28px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - var(--cut) - 28px) 100% / 28px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% calc(100% - var(--cut) - 28px) / 2px 28px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 50% 0 / 18px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 50% 100% / 18px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 50% / 2px 18px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 50% / 2px 18px no-repeat;
    }
    .workspace > .panel::after,
    .compare > .panel::after {
      content: "";
      position: absolute;
      top: calc(var(--panel-head-h) + var(--guide-inset));
      right: var(--guide-inset);
      bottom: var(--guide-inset);
      left: var(--guide-inset);
      z-index: 4;
      pointer-events: none;
      border: 1px solid rgba(88, 146, 232, .38);
      clip-path: polygon(
        var(--guide-cut) 0, calc(100% - var(--guide-cut)) 0, 100% var(--guide-cut),
        100% calc(100% - var(--guide-cut)), calc(100% - var(--guide-cut)) 100%,
        var(--guide-cut) 100%, 0 calc(100% - var(--guide-cut)), 0 var(--guide-cut)
      );
    }
    .hub {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      z-index: 8;
      display: grid;
      justify-items: center;
      pointer-events: none;
    }
    .hub-tip {
      position: absolute;
      bottom: calc(100% + 10px);
      left: 50%;
      transform: translateX(-50%);
      white-space: nowrap;
      padding: 6px 10px;
      border-radius: 0;
      color: #ffd6d6;
      background: #140406;
      border: 1px solid var(--danger);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: .22em;
      box-shadow: 0 0 16px rgba(255, 42, 50, .45);
    }
    .hub-tip::after {
      content: "";
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 5px solid transparent;
      border-top-color: #1a1014;
    }
    .hub-circle, .hub-elliptic {
      display: grid;
      place-items: center;
      background: #141822;
      border: 1px solid var(--accent);
      box-shadow: 0 8px 22px rgba(0,0,0,.55), 0 0 0 1px rgba(88, 146, 232, .18);
    }
    html.kg-tool[data-theme="light"] .hub-circle,
    html.kg-tool[data-theme="light"] .hub-elliptic {
      background: #fff;
      box-shadow: 0 8px 24px rgba(17, 24, 39, .08);
    }
    .hub-circle {
      position: relative;
      isolation: isolate;
      overflow: visible;
      width: 76px;
      height: 76px;
      border: 0;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
      color: var(--muted);
      --hub-hex: polygon(50% 0, 93.3% 25%, 93.3% 75%, 50% 100%, 6.7% 75%, 6.7% 25%);
    }
    .hub-circle::before {
      content: "";
      position: absolute;
      inset: 10px;
      z-index: 0;
      pointer-events: none;
      background:
        repeating-linear-gradient(135deg, rgba(88, 146, 232, .16) 0 1px, transparent 1px 5px),
        #141822;
      clip-path: var(--hub-hex);
      filter:
        drop-shadow(0 0 0.8px var(--accent))
        drop-shadow(0 8px 16px rgba(0,0,0,.48));
    }
    .hub-circle::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 2;
      pointer-events: none;
      background:
        linear-gradient(var(--accent), var(--accent)) 50% 1px / 12px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 50% calc(100% - 2px) / 16px 3px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 1px 28% / 8px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 50% / 6px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 1px 72% / 8px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 1px) 30% / 10px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 42% / 6px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 1px) 54% / 12px 2px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 66% / 7px 2px no-repeat;
    }
    .hub-fx {
      position: absolute;
      inset: 18px;
      z-index: 1;
      pointer-events: none;
      background: rgba(88, 146, 232, .08);
      clip-path: var(--hub-hex);
      filter: drop-shadow(0 0 0.6px var(--accent));
    }
    .hub-code {
      position: absolute;
      top: 2px;
      left: calc(100% - 6px);
      z-index: 3;
      font: 700 8px/1 var(--sans);
      letter-spacing: .14em;
      color: var(--accent);
      pointer-events: none;
      white-space: nowrap;
    }
    .hub-circle svg {
      position: relative;
      z-index: 3;
      width: 22px;
      height: 22px;
      display: block;
    }
    .hub-count {
      position: relative;
      z-index: 3;
    }
    .hub-circle.is-ok { color: var(--hot); }
    .hub-circle.is-ok::before {
      background:
        repeating-linear-gradient(135deg, rgba(60, 229, 229, .2) 0 1px, transparent 1px 5px),
        #141822;
      filter:
        drop-shadow(0 0 0.8px var(--hot))
        drop-shadow(0 0 12px rgba(60, 229, 229, .4))
        drop-shadow(0 8px 16px rgba(0,0,0,.45));
    }
    .hub-circle.is-ok::after {
      background:
        linear-gradient(var(--hot), var(--hot)) 50% 1px / 12px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 50% calc(100% - 2px) / 16px 3px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 1px 28% / 8px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 0 50% / 6px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 1px 72% / 8px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) calc(100% - 1px) 30% / 10px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 100% 42% / 6px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) calc(100% - 1px) 54% / 12px 2px no-repeat,
        linear-gradient(var(--hot), var(--hot)) 100% 66% / 7px 2px no-repeat;
    }
    .hub-circle.is-ok .hub-fx {
      background: rgba(60, 229, 229, .1);
      filter: drop-shadow(0 0 0.7px var(--hot));
    }
    .hub-circle.is-ok .hub-code { color: var(--hot); }
    .hub-circle.is-error { color: var(--danger); }
    .hub-circle.is-error::before {
      background:
        repeating-linear-gradient(135deg, rgba(255, 42, 50, .22) 0 1px, transparent 1px 5px),
        #1a080a;
      filter:
        drop-shadow(0 0 0.8px var(--danger))
        drop-shadow(0 0 12px rgba(255, 42, 50, .45))
        drop-shadow(0 8px 16px rgba(0,0,0,.45));
    }
    .hub-circle.is-error::after {
      background:
        linear-gradient(var(--danger), var(--danger)) 50% 1px / 12px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 50% calc(100% - 2px) / 16px 3px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 1px 28% / 8px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 0 50% / 6px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 1px 72% / 8px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) calc(100% - 1px) 30% / 10px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 100% 42% / 6px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) calc(100% - 1px) 54% / 12px 2px no-repeat,
        linear-gradient(var(--danger), var(--danger)) 100% 66% / 7px 2px no-repeat;
    }
    .hub-circle.is-error .hub-fx {
      background: rgba(255, 42, 50, .14);
      filter: drop-shadow(0 0 0.7px var(--danger));
    }
    .hub-circle.is-error .hub-code { color: var(--danger); }
    .hub-circle.is-same { color: #06210f; }
    .hub-circle.is-same::before {
      background:
        repeating-linear-gradient(135deg, rgba(6, 33, 15, .12) 0 1px, transparent 1px 5px),
        #5eea91;
      filter:
        drop-shadow(0 0 0.8px #5eea91)
        drop-shadow(0 0 12px rgba(94, 234, 145, .4))
        drop-shadow(0 8px 16px rgba(0,0,0,.45));
    }
    .hub-circle.is-same .hub-fx { background: rgba(6, 33, 15, .08); filter: none; }
    .hub-circle.is-diff {
      color: #fff;
      font: 600 18px/1 var(--sans);
      letter-spacing: .02em;
    }
    .hub-circle.is-diff::before {
      background:
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .14) 0 1px, transparent 1px 5px),
        var(--danger);
      filter:
        drop-shadow(0 0 0.8px var(--danger))
        drop-shadow(0 0 12px rgba(255, 42, 50, .45))
        drop-shadow(0 8px 16px rgba(0,0,0,.45));
    }
    .hub-circle.is-diff .hub-fx { background: rgba(255, 255, 255, .1); filter: none; }
    .hub-circle.is-plain {
      --hub-outer-w: 48px;
      --hub-solid: #141822;
      --hub-edge: var(--accent);
      width: var(--hub-outer-w);
      height: var(--hub-outer-w);
      background: transparent;
    }
    .hub-circle.is-plain > svg:not(.hub-rings) {
      width: 16px;
      height: 16px;
    }
    .hub-circle.is-plain.is-diff {
      font-size: 14px;
      font-weight: 400;
    }
    .hub-circle.is-plain::before,
    .hub-circle.is-plain::after { display: none; }
    .hub-circle.is-plain .hub-fx {
      background: transparent;
      filter: none;
    }
    .hub-circle.is-plain .hub-rings {
      position: absolute;
      inset: 0;
      z-index: 0;
      width: 100%;
      height: 100%;
      overflow: visible;
      pointer-events: none;
    }
    .hub-circle.is-plain .hub-ring-lg-stroke {
      fill: var(--hub-edge);
    }
    .hub-circle.is-plain .hub-ring-lg {
      fill: var(--hub-solid);
    }
    .hub-circle.is-plain .hub-ring-sm-stroke {
      fill: rgba(88, 146, 232, .38);
    }
    .hub-circle.is-plain .hub-ring-sm {
      fill: none;
    }
    .hub-circle.is-plain.is-diff {
      --hub-fill: var(--danger);
      --hub-edge: var(--danger);
      --hub-wash: color-mix(in srgb, var(--danger) 28%, var(--hub-solid));
    }
    .hub-circle.is-plain.is-same {
      --hub-fill: var(--hot);
      --hub-edge: var(--hot);
      --hub-wash: color-mix(in srgb, var(--hot) 28%, var(--hub-solid));
      color: #041616;
    }
    .hub-circle.is-plain.is-ok {
      --hub-fill: var(--hot);
      --hub-edge: var(--hot);
      --hub-wash: color-mix(in srgb, var(--hot) 28%, var(--hub-solid));
    }
    .hub-circle.is-plain.is-error {
      --hub-fill: var(--danger);
      --hub-edge: var(--danger);
      --hub-wash: color-mix(in srgb, var(--danger) 28%, var(--hub-solid));
    }
    .hub-circle.is-plain.is-diff .hub-ring-lg,
    .hub-circle.is-plain.is-same .hub-ring-lg,
    .hub-circle.is-plain.is-ok .hub-ring-lg,
    .hub-circle.is-plain.is-error .hub-ring-lg {
      fill: var(--hub-wash);
    }
    .hub-circle.is-plain.is-diff .hub-ring-sm,
    .hub-circle.is-plain.is-same .hub-ring-sm,
    .hub-circle.is-plain.is-ok .hub-ring-sm,
    .hub-circle.is-plain.is-error .hub-ring-sm {
      fill: var(--hub-fill);
    }
    .hub-circle.is-plain.is-diff .hub-ring-sm-stroke,
    .hub-circle.is-plain.is-same .hub-ring-sm-stroke,
    .hub-circle.is-plain.is-ok .hub-ring-sm-stroke,
    .hub-circle.is-plain.is-error .hub-ring-sm-stroke {
      fill: none;
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-plain {
      --hub-solid: #fff;
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-plain.is-diff,
    html.kg-tool[data-theme="light"] .hub-circle.is-plain.is-error {
      --hub-wash: color-mix(in srgb, var(--danger) 16%, var(--hub-solid));
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-plain.is-same {
      --hub-wash: color-mix(in srgb, var(--hot) 16%, var(--hub-solid));
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-plain.is-ok {
      --hub-wash: color-mix(in srgb, var(--hot) 16%, var(--hub-solid));
    }
    html.kg-tool[data-theme="light"] .hub-circle::before,
    html.kg-tool[data-theme="light"] .hub-circle.is-ok::before {
      background:
        repeating-linear-gradient(135deg, rgba(88, 146, 232, .12) 0 1px, transparent 1px 5px),
        #fff;
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-error::before {
      background:
        repeating-linear-gradient(135deg, rgba(255, 42, 50, .16) 0 1px, transparent 1px 5px),
        #fff5f5;
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-same::before {
      background:
        repeating-linear-gradient(135deg, rgba(6, 33, 15, .1) 0 1px, transparent 1px 5px),
        #5eea91;
    }
    html.kg-tool[data-theme="light"] .hub-circle.is-diff::before {
      background:
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .16) 0 1px, transparent 1px 5px),
        var(--danger);
    }
    .hub-elliptic {
      width: 56px;
      padding: 6px;
      border-radius: 0;
      clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
      gap: 6px;
      pointer-events: auto;
    }
    .hub-elliptic button {
      width: 44px;
      height: 44px;
      padding: 0;
      border: 0;
      border-radius: 0;
      clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
      color: var(--muted);
      background: transparent;
      cursor: pointer;
      display: grid;
      place-items: center;
    }
    .hub-elliptic button svg { width: 18px; height: 18px; display: block; }
    .hub-elliptic button:hover { color: var(--hot); }
    .hub-elliptic button.active {
      color: #041616;
      background: var(--hot);
      box-shadow: 0 0 12px rgba(60, 229, 229, .4);
    }
    /* Panel 组件锁定：标题栏 .panel-head + 内容区 .panel-body。加工具只往 renderPanel 里填标题/按钮/内容，勿改 token、margin、滚动条。 */
    .panel {
      position: relative;
      min-width: 0;
      min-height: 0;
      display: grid;
      grid-template-rows: var(--panel-head-h) minmax(0, 1fr);
      overflow: visible;
    }
    .panel + .panel {
      border-left: 1px solid var(--accent);
    }
    html.kg-tool[data-theme="light"] .panel + .panel { background: #fff; }
    html.kg-tool[data-theme="light"] .hub-circle,
    html.kg-tool[data-theme="light"] .hub-elliptic {
      background: #fff;
      box-shadow: 0 8px 24px rgba(17, 24, 39, .08);
    }
    .panel-head {
      display: flex;
      align-items: center;
      gap: 8px;
      height: var(--panel-head-h);
      padding: 0 16px;
      overflow: visible;
      position: relative;
      z-index: 6;
      border-bottom: 1px solid var(--accent);
    }
    .panel-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
      color: var(--accent);
    }
    .panel-title::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--accent);
      clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
      box-shadow: 0 0 8px rgba(88, 146, 232, .55);
      flex-shrink: 0;
    }
    .panel-head .spacer { flex: 1; }
    .panel-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
      flex-shrink: 0;
    }
    .panel-actions .ghost:not(.is-on):not(:hover):not(.is-copy-act),
    .panel-actions .seg button:not(.active):not(:hover) {
      color: var(--accent);
    }
    .panel-actions .ghost:disabled:not(.is-copy-act),
    .panel-actions .ghost.is-on:disabled,
    .panel-actions .ghost.is-on:disabled:hover {
      color: var(--accent);
    }
    html.kg-tool[data-theme="light"] .panel-actions .ghost.is-on:disabled,
    html.kg-tool[data-theme="light"] .panel-actions .ghost.is-on:disabled:hover {
      color: var(--accent);
    }
    .panel-actions .copy-btn,
    .panel-actions .ghost.is-copy-act {
      color: #080c18;
      background: var(--accent);
      border-color: var(--accent);
      box-shadow: none;
    }
    .panel-actions .copy-btn:hover:not(:disabled),
    .panel-actions .ghost.is-copy-act:hover:not(:disabled),
    .panel-actions .copy-btn.is-copied,
    .panel-actions .ghost.is-copy-act.is-copied {
      color: #080c18;
      background: var(--hot);
      border-color: var(--hot);
      box-shadow: 0 0 12px rgba(60, 229, 229, .28);
    }
    .panel-actions .copy-btn:disabled,
    .panel-actions .ghost.is-copy-act:disabled,
    .panel-actions .copy-btn:disabled:hover,
    .panel-actions .ghost.is-copy-act:disabled:hover {
      color: #080c18;
      background: var(--accent);
      border-color: var(--accent);
      box-shadow: none;
    }
    html.kg-tool[data-theme="light"] .panel-actions .copy-btn:hover:not(:disabled),
    html.kg-tool[data-theme="light"] .panel-actions .ghost.is-copy-act:hover:not(:disabled) {
      color: #080c18;
      background: var(--hot);
      border-color: var(--hot);
    }
    .view-cluster {
      display: flex;
      align-items: center;
      gap: 0;
      flex-shrink: 0;
    }
    .view-lead {
      --lead: rgba(88, 146, 232, .55);
      width: 16px;
      height: 7px;
      flex-shrink: 0;
      pointer-events: none;
      background:
        linear-gradient(var(--lead), var(--lead)) 0 50% / 100% 1px no-repeat,
        linear-gradient(var(--lead), var(--lead)) 0 0 / 1px 7px no-repeat,
        linear-gradient(var(--lead), var(--lead)) 100% 0 / 1px 7px no-repeat;
    }
    .view-cluster:has([data-convert].is-on:not(:disabled)) .view-lead {
      --lead: var(--hot);
    }
    .editor, .output {
      min-height: 0;
      background: transparent;
    }
    .editor.output {
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .code-sheet {
      min-width: 0;
      padding: var(--line-pad-y) 0;
    }
    .editor.output .code-sheet {
      flex: 1;
      min-height: 0;
      overflow: auto;
      color: var(--code);
    }
    .code-row {
      display: grid;
      grid-template-columns: var(--gutter-w) minmax(0, 1fr);
      align-items: start;
    }
    .editor.is-live .code-row {
      overflow: hidden;
    }
    .gutter-n {
      padding: 0 16px 0 20px;
      color: rgba(247, 247, 251, .32);
      font: 14px/20px var(--mono);
      text-align: left;
      user-select: none;
    }
    .code-row.is-err .gutter-n,
    .code-row.is-diff .gutter-n {
      color: var(--danger);
      font-weight: 700;
      text-shadow: 0 0 8px rgba(255, 42, 50, .4);
    }
    html.kg-tool[data-theme="light"] .gutter-n { color: #b4b8bf; }
    html.kg-tool[data-theme="light"] .code-row.is-err .gutter-n,
    html.kg-tool[data-theme="light"] .code-row.is-diff .gutter-n { text-shadow: none; }
    mark.cmp-hit {
      background: color-mix(in srgb, var(--danger) 28%, transparent);
      color: inherit;
      box-shadow: inset 0 -1px 0 var(--danger);
      border-radius: 0;
      padding: 0;
    }
    html.kg-tool[data-theme="light"] mark.cmp-hit {
      background: color-mix(in srgb, var(--danger) 16%, transparent);
    }
    mark.cmp-hit.is-caret {
      display: inline-block;
      width: 2px;
      min-width: 2px;
      padding: 0;
      margin: 0 1px 0 0;
      color: transparent;
      background: var(--danger);
      box-shadow: none;
    }
    .code-line {
      position: relative;
      margin: 0;
      padding: 0 var(--line-pad-right) 0 var(--line-pad-left);
      min-width: 0;
      min-height: 20px;
      font: 14px/20px var(--mono);
      font-kerning: none;
      font-variant-ligatures: none;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      word-break: break-word;
      tab-size: 2;
    }
    .copy-line {
      --tree-gutter: 16px;
      --copy-inner: 4px;
      position: relative;
      display: block;
      width: 100%;
      margin: 0;
      padding: 0;
      border: 0;
      background: transparent;
      color: inherit;
      font: inherit;
      text-align: left;
      cursor: pointer;
      user-select: text;
    }
    .copy-line:focus { outline: none; }
    .copy-line::after {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: var(--tree-gutter);
      right: calc(var(--tree-gutter) - var(--scroll-edge));
      background: color-mix(in srgb, var(--hot) 22%, transparent);
      box-shadow: 0 1px 0 var(--hot);
      pointer-events: none;
      opacity: 0;
      z-index: 0;
      transition: opacity .12s ease;
    }
    .copy-line:hover::after,
    .copy-line:focus-visible::after { opacity: 1; }
    .copy-line .gutter-n {
      transition: color .12s ease;
    }
    .copy-line:hover .gutter-n,
    .copy-line:focus-visible .gutter-n {
      color: var(--hot);
    }
    html.kg-tool[data-theme="light"] .copy-line::after {
      background: color-mix(in srgb, var(--hot) 14%, transparent);
    }
    .copy-line .code-row { position: relative; z-index: 1; }
    .copy-line-mark {
      position: absolute;
      top: 0;
      right: calc(var(--tree-gutter) - var(--scroll-edge) + var(--copy-inner));
      z-index: 2;
      width: 14px;
      height: 20px;
      display: grid;
      place-items: center;
      color: var(--muted);
      opacity: 0;
      pointer-events: none;
      transition: opacity .12s ease, color .12s ease;
    }
    .copy-line:hover .copy-line-mark,
    .copy-line:focus-visible .copy-line-mark {
      opacity: 1;
      color: var(--hot);
    }
    .copy-line-mark svg {
      width: 14px;
      height: 14px;
      display: block;
    }
    .copy-line-mark .copy-face { grid-area: 1 / 1; }
    textarea, .empty, .error-box, .ua-wrap, .tree, .time-board, .hash-board, .jwt-board {
      min-width: 0;
    }
    .panel-body.time-board {
      display: grid;
      grid-template-rows: 1fr 1fr 1fr;
      padding: 0;
      overflow: auto;
      scrollbar-gutter: stable;
    }
    .time-row.copy-line {
      display: flex;
      align-items: center;
      gap: 20px;
      min-height: 0;
      padding: 0 calc(var(--tree-gutter) - var(--scroll-edge) + 22px) 0 var(--content-inset);
    }
    .time-row.copy-line::before {
      content: "";
      position: absolute;
      left: var(--guide-inset);
      right: calc(var(--guide-inset) - var(--scroll-edge));
      bottom: 0;
      height: 1px;
      background: var(--line);
      pointer-events: none;
      z-index: 1;
    }
    .time-row.copy-line:last-child::before { content: none; }
    .time-row.copy-line:last-child::after { bottom: 1px; }
    .time-row .copy-line-mark {
      top: 50%;
      transform: translateY(-50%);
      opacity: .45;
    }
    .time-k,
    .time-v { position: relative; z-index: 1; }
    .time-k {
      flex: 0 0 108px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 400;
    }
    .time-v {
      flex: 1;
      min-width: 0;
      color: var(--text);
      font: 700 22px/1.25 var(--mono);
      font-variant-numeric: tabular-nums;
      word-break: break-all;
    }
    .panel-body.hash-board {
      display: grid;
      grid-auto-rows: 1fr;
      padding: 0;
      overflow: auto;
      scrollbar-gutter: stable;
    }
    .hash-board .time-k { flex-basis: 118px; }
    .hash-board .time-v {
      font: 400 14px/1.4 var(--mono);
      font-weight: 400;
    }
    .panel-body.jwt-board {
      display: flex;
      flex-direction: column;
      padding: 0;
      overflow: auto;
      scrollbar-gutter: stable;
    }
    .jwt-block {
      position: relative;
      padding: 14px calc(var(--content-inset) - var(--scroll-edge) + 22px) 16px var(--content-inset);
    }
    .jwt-block::before {
      content: "";
      position: absolute;
      left: var(--guide-inset);
      right: calc(var(--guide-inset) - var(--scroll-edge));
      bottom: 0;
      height: 1px;
      background: var(--line);
      pointer-events: none;
      z-index: 1;
    }
    .jwt-block.copy-line .copy-line-mark {
      top: 16px;
      opacity: .45;
    }
    .jwt-block:last-child::before { content: none; }
    .jwt-k {
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
    }
    .jwt-json {
      margin: 0;
      color: var(--code);
      font: 13px/20px var(--mono);
      white-space: pre-wrap;
      word-break: break-all;
    }
    .jwt-note {
      padding: 12px var(--content-inset);
      color: var(--muted);
      font-size: 12px;
    }
    .jwt-claim {
      display: flex;
      align-items: baseline;
      gap: 16px;
      padding: 8px 0 0;
      font: 13px/1.4 var(--mono);
    }
    .jwt-claim b {
      flex: 0 0 40px;
      color: var(--muted);
      font-weight: 400;
    }
    .jwt-claim em {
      font-style: normal;
      color: var(--hot);
    }
    .jwt-claim em.is-dead { color: var(--danger); }
    .editor.is-live {
      overflow: auto;
      cursor: text;
      letter-spacing: 0;
    }
    .editor.is-live textarea,
    .editor.is-live .code-line,
    .editor.is-live .gutter-n {
      letter-spacing: 0;
    }
    .live-sizer {
      position: relative;
      min-height: 100%;
    }
    .editor.is-live .code-sheet {
      color: transparent;
      pointer-events: none;
    }
    .editor.is-live.is-compare textarea {
      color: transparent;
      -webkit-text-fill-color: transparent;
    }
    .editor.is-live.is-compare .code-sheet {
      color: var(--code);
    }
    .err-bar {
      position: absolute;
      top: 0;
      height: 20px;
      background: color-mix(in srgb, var(--danger) 28%, transparent);
      border-bottom: 1px solid var(--danger);
      border-radius: 1px;
      pointer-events: none;
      box-sizing: border-box;
    }
    .err-bar.is-caret {
      width: 7px;
      height: 16px;
      margin-top: 2px;
      background: var(--danger);
      border-bottom: 1px solid var(--danger);
      box-shadow: 0 0 8px rgba(255, 42, 50, .55);
    }
    html.kg-tool[data-theme="light"] .err-bar {
      background: color-mix(in srgb, var(--danger) 18%, transparent);
    }
    textarea {
      width: 100%;
      height: 100%;
      padding: var(--line-pad-y) var(--line-pad-right) var(--line-pad-y) var(--line-pad-left);
      border: 0;
      resize: none;
      outline: none;
      color: var(--code);
      caret-color: var(--hot);
      background: transparent;
      font: 14px/20px var(--mono);
      font-kerning: none;
      font-variant-ligatures: none;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      word-break: break-word;
      tab-size: 2;
    }
    .editor.is-live textarea {
      position: absolute;
      inset: 0;
      z-index: 1;
      padding: var(--line-pad-y) var(--line-pad-right) var(--line-pad-y) calc(var(--gutter-w) + var(--line-pad-left));
      overflow: hidden;
      color: var(--code);
      -webkit-text-fill-color: var(--code);
    }
    textarea::placeholder {
      color: var(--muted);
      font: 400 14px/20px var(--sans);
      letter-spacing: .04em;
      font-kerning: normal;
    }
    .editor.is-live textarea::placeholder {
      color: var(--muted);
      -webkit-text-fill-color: var(--muted);
      font: 400 14px/20px var(--sans);
      letter-spacing: .04em;
      font-kerning: normal;
    }
    textarea::-moz-placeholder {
      color: var(--muted);
      font: 400 14px/20px var(--sans);
      letter-spacing: .04em;
      opacity: 1;
    }
    .empty, .upload-zone {
      font-family: var(--sans);
      letter-spacing: .04em;
    }
    .editor.is-live textarea.line-probe {
      position: absolute;
      left: 0;
      top: 0;
      inset: auto;
      width: 0;
      height: 0;
      min-height: 0;
      padding: 0;
      border: 0;
      margin: 0;
      overflow: hidden;
      resize: none;
      opacity: 0;
      pointer-events: none;
      color: transparent;
      -webkit-text-fill-color: transparent;
      background: transparent;
    }
    .tok-key { color: var(--tok-key); }
    .tok-str { color: var(--tok-str); }
    .tok-num { color: var(--tok-num); }
    .tok-kw { color: var(--tok-kw); }
    .tok-punc { color: var(--tok-punc); }
    .empty {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100%;
      padding: 24px;
      text-align: center;
    }
    .empty { color: var(--muted); }
    .empty strong { display: block; margin-bottom: 6px; color: var(--text); font-size: 15px; }
    .panel > .panel-body {
      grid-row: 2;
      min-width: 0;
      min-height: 0;
      overflow: auto;
      margin: calc(var(--guide-inset) + var(--guide-cut)) 0;
      scrollbar-gutter: stable;
    }
    .panel-body.editor.output {
      overflow: hidden;
      scrollbar-gutter: auto;
    }
    .panel + .panel .editor.output {
      --line-pad-right: calc(var(--content-inset) - var(--scroll-edge));
    }
    .panel-body.editor.output .code-sheet,
    .panel-body.ua-wrap,
    .panel-body.time-board,
    .panel-body.hash-board,
    .panel-body.jwt-board,
    .panel-body.tree,
    .panel-body.editor.is-live {
      scrollbar-gutter: stable;
    }
    .panel-body.ua-wrap {
      padding: 16px calc(var(--content-inset) - var(--scroll-edge)) 20px var(--content-inset);
    }
    .panel-body.tree {
      --tree-pad-left: var(--content-inset);
      --tree-pad-right: calc(var(--content-inset) - var(--scroll-edge));
    }
    .panel-body::-webkit-scrollbar,
    .panel-body .code-sheet::-webkit-scrollbar,
    .panel-body.ua-wrap::-webkit-scrollbar,
    .panel-body.tree::-webkit-scrollbar,
    .panel-body.editor::-webkit-scrollbar,
    .charset-menu::-webkit-scrollbar {
      width: var(--scroll-edge);
      height: var(--scroll-edge);
    }
    .panel-body::-webkit-scrollbar-thumb,
    .panel-body .code-sheet::-webkit-scrollbar-thumb,
    .panel-body.ua-wrap::-webkit-scrollbar-thumb,
    .panel-body.tree::-webkit-scrollbar-thumb,
    .panel-body.editor::-webkit-scrollbar-thumb {
      border: 0;
      box-shadow: none;
    }
    .error-box {
      position: relative;
      align-self: stretch;
      width: auto;
      height: auto;
      min-height: 0;
      overflow: hidden;
      color: #ff3b3b;
      background:
        radial-gradient(80% 70% at 50% 50%, rgba(255, 32, 40, .16), transparent 62%),
        repeating-linear-gradient(0deg, rgba(255, 40, 48, .05) 0 1px, transparent 1px 3px),
        #050103;
      text-align: left;
    }
    .panel > .panel-body.error-box {
      margin-left: var(--guide-inset);
      margin-right: var(--guide-inset);
    }
    .error-hud {
      position: absolute;
      left: 50%;
      top: calc(50% - 22px);
      transform: translate(-50%, -50%);
      width: min(calc(100% - 48px), 440px);
      margin: 0;
      z-index: 1;
    }
    .error-hud-panel {
      position: relative;
      padding: 14px 16px 12px;
      background: linear-gradient(180deg, rgba(196, 18, 28, .72), rgba(72, 4, 8, .88));
      border: 2px solid #ff2a32;
      clip-path: polygon(12px 0, calc(100% - 18px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
      box-shadow: 0 0 22px rgba(255, 42, 50, .55), inset 0 0 24px rgba(255, 42, 50, .14);
    }
    .error-hud-panel::before,
    .error-hud-panel::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 18px;
      pointer-events: none;
      border: 2px solid #ff6a6a;
    }
    .error-hud-panel::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
    .error-hud-panel::after { right: 10px; bottom: -2px; border-left: 0; border-top: 0; }
    .error-hud-kicker {
      color: #ffd0d0;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: .32em;
      text-shadow: 0 0 8px rgba(255, 42, 50, .7);
    }
    .error-hud-banner {
      margin: 8px 0 0;
      color: #fff5f5;
      font: 700 22px/1.25 var(--sans);
      letter-spacing: .04em;
      text-shadow: 0 0 12px rgba(255, 70, 70, .85);
      word-break: break-word;
    }
    .error-hud-msg {
      margin-top: 10px;
      color: #ffc4c4;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.45;
      letter-spacing: .18em;
    }
    .error-hud-bars {
      display: flex;
      gap: 6px;
      margin-top: 12px;
    }
    .error-hud-bars i {
      display: block;
      height: 3px;
      flex: 1;
      background: rgba(255, 80, 80, .85);
      box-shadow: 0 0 8px rgba(255, 42, 50, .7);
    }
    .error-hud-bars i:nth-child(2) { opacity: .55; flex: .6; }
    .error-hud-bars i:nth-child(3) { opacity: .28; flex: .35; }
    html.kg-tool[data-theme="light"] .error-box {
      background:
        radial-gradient(80% 70% at 50% 50%, rgba(255, 32, 40, .12), transparent 62%),
        #140406;
    }
    .copy-wrap {
      position: relative;
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }
    .tip-host {
      position: relative;
      display: inline-flex;
      align-items: center;
      flex-shrink: 0;
      cursor: not-allowed;
    }
    .tip-host button:disabled {
      pointer-events: none;
      cursor: not-allowed;
    }
    .action-tip {
      position: fixed;
      left: 0;
      top: 0;
      z-index: 80;
      display: flex;
      align-items: stretch;
      min-height: 28px;
      padding: 0;
      white-space: nowrap;
      color: var(--hot);
      background: color-mix(in srgb, var(--hot) 14%, #05080f);
      border: 1px solid var(--hot);
      box-shadow: 0 0 12px color-mix(in srgb, var(--hot) 22%, transparent);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translate(-50%, calc(-100% - 6px));
      transition: opacity .16s, visibility 0s linear .16s;
    }
    .action-tip-bar {
      width: 8px;
      flex-shrink: 0;
      background: var(--hot);
    }
    .action-tip-titles {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 1px;
      padding: 4px 12px 4px 10px;
    }
    .action-tip-zh {
      color: var(--hot);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .06em;
      line-height: 1.2;
    }
    .action-tip-en {
      color: var(--hot);
      font: 500 9px/1.2 var(--sans);
      letter-spacing: .16em;
      text-transform: uppercase;
      opacity: .55;
    }
    .action-tip-en:empty { display: none; }
    html.kg-tool[data-theme="light"] .action-tip {
      background: color-mix(in srgb, var(--hot) 10%, #fff);
    }
    .action-tip.is-on {
      opacity: 1;
      visibility: visible;
      transition: opacity .16s, visibility 0s;
    }
    .toast {
      position: absolute;
      right: calc(100% + 8px);
      top: 50%;
      transform: translateY(-50%);
      padding: 4px 8px;
      white-space: nowrap;
      border-radius: 0;
      clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
      color: #041616;
      background: var(--hot);
      border: 1px solid var(--hot);
      box-shadow: 0 0 14px rgba(60, 229, 229, .4);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity .2s, visibility 0s linear .2s;
    }
    .toast.show {
      opacity: 1;
      visibility: visible;
      transition: opacity .2s, visibility 0s;
    }
    .tree {
      --tree-pad-left: 16px;
      --tree-pad-right: 52px;
      --tree-gutter: 16px;
      --tree-step: 14px;
      padding: 10px var(--tree-pad-right) 36px var(--tree-pad-left);
      overflow: auto;
      font: 14px/20px var(--mono);
    }
    .tree details { margin-left: var(--tree-step); }
    .tree summary { cursor: pointer; color: var(--muted); }
    .tree-row {
      position: relative;
      --tree-depth: 0;
      --tree-inset: calc(var(--tree-depth) * var(--tree-step));
    }
    .tree-row:hover { z-index: 4; }
    .tree-row::after {
      content: "";
      position: absolute;
      left: calc(-1 * var(--tree-inset) - var(--tree-pad-left) + var(--tree-gutter));
      right: calc(-1 * var(--tree-pad-left) + var(--tree-gutter));
      top: 0;
      bottom: 0;
      background: color-mix(in srgb, var(--hot) 22%, transparent);
      box-shadow: 0 1px 0 var(--hot);
      pointer-events: none;
      opacity: 0;
      z-index: -1;
      transition: opacity .12s ease;
    }
    .tree-row:hover::after { opacity: 1; }
    html.kg-tool[data-theme="light"] .tree-row::after {
      background: color-mix(in srgb, var(--hot) 14%, transparent);
    }
    .tree-path-wrap {
      display: none;
      position: absolute;
      left: auto;
      right: calc(-1 * var(--tree-pad-left) + var(--tree-gutter));
      top: 100%;
      z-index: 5;
      width: max-content;
      max-width: min(420px, calc(100% + var(--tree-inset) + var(--tree-pad-left) - var(--tree-gutter)));
      padding-top: 6px;
    }
    .tree-row:hover > .tree-path-wrap { display: block; }
    .tree-path-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
      max-width: 100%;
      margin: 0;
      padding: 6px 8px 6px 10px;
      border: 1px solid var(--hot);
      background: var(--glass-strong);
      box-shadow: 0 0 14px rgba(60, 229, 229, .18);
      color: inherit;
      font: inherit;
      text-align: left;
      cursor: pointer;
      appearance: none;
    }
    .tree-path-kicker {
      flex-shrink: 0;
      color: var(--muted);
      font: 600 12px/16px var(--sans);
    }
    .tree-path-expr {
      min-width: 0;
      color: var(--text);
      font: 14px/20px var(--mono);
      word-break: break-all;
    }
    .tree-path-copy {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      display: grid;
      place-items: center;
      color: var(--muted);
    }
    .tree-path-card:hover .tree-path-copy,
    .tree-path-card.is-copied .tree-path-copy { color: var(--hot); }
    .tree-path-copy svg {
      width: 14px;
      height: 14px;
      display: block;
    }
    .tree-path-copy-icon { display: grid; place-items: center; }
    .tree-path-copy .is-ok { display: none; }
    .tree-path-card.is-copied .is-copy { display: none; }
    .tree-path-card.is-copied .is-ok { display: grid; }
    .k { color: var(--tok-key); }
    .s { color: var(--tok-str); }
    .n { color: var(--tok-num); }
    .ua-wrap { padding: 16px 52px 20px; overflow: auto; }
    .ua-overview-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }
    .ua-section-title {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
    }
    .ua-section .ua-section-title { margin-bottom: 12px; }
    .ua-section-title::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      margin-right: 8px;
      clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
      vertical-align: 1px;
      background: var(--hot);
    }
    .ua-section-title.is-browser::before { background: #ff9f43; }
    .ua-section-title.is-device::before { background: var(--accent); }
    .ua-status {
      font-size: 13px;
      color: var(--hot);
      white-space: nowrap;
    }
    .ua-status::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 6px;
      margin-right: 6px;
      background: currentColor;
      vertical-align: 1px;
    }
    .ua-status.is-bot { color: var(--danger); }
    .ua-cards {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 8px;
      margin-bottom: 18px;
    }
    .ua-card {
      padding: 12px 14px;
      min-height: 72px;
      border-radius: 0;
      clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
      background: rgba(88, 146, 232, .06);
      border: 1px solid var(--accent);
      box-shadow: inset 3px 0 0 var(--accent);
    }
    .ua-card.is-browser { box-shadow: inset 3px 0 0 #ff9f43; }
    .ua-card.is-os { box-shadow: inset 3px 0 0 var(--accent); }
    .ua-card.is-device { box-shadow: inset 3px 0 0 #ff6b9d; }
    .ua-card.is-bot { box-shadow: inset 3px 0 0 var(--hot); }
    html.kg-tool[data-theme="light"] .ua-card { background: #f6f7f9; }
    .ua-card small { color: var(--muted); }
    .ua-card div {
      margin-top: 8px;
      font-weight: 600;
      line-height: 1.4;
      word-break: break-all;
    }
    .ua-section + .ua-section { margin-top: 18px; }
    .ua-rows { border: 1px solid var(--line); }
    .ua-row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding: 12px 14px;
      font-size: 13px;
      line-height: 1.5;
    }
    .ua-row + .ua-row { border-top: 1px solid var(--line); }
    .ua-row span:first-child { flex: 0 0 88px; color: var(--muted); }
    .ua-row span:last-child { flex: 1; text-align: right; word-break: break-all; }
    .url-tables .ua-row span:first-child { flex-basis: 96px; }
    .url-table + .url-table { margin-top: 22px; }
    .status-ok { color: var(--ok); font-weight: 600; }
    .status-bot { color: var(--danger); font-weight: 600; }
    .upload-zone {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 16px;
      height: auto;
      min-height: 0;
      margin: 16px;
      padding: 24px;
      color: var(--muted);
      text-align: center;
      cursor: pointer;
    }
    .upload-mark {
      display: block;
      flex: none;
      width: 160px;
      height: 160px;
      overflow: visible;
    }
    .upload-mark svg {
      display: block;
      width: 160px;
      height: 160px;
      overflow: visible;
      flex-shrink: 0;
    }
    .upload-copy {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
    }
    .upload-zone strong { display: block; margin: 0; color: var(--text); font-size: 15px; }
    .img-preview {
      display: grid;
      place-items: center;
      /* 不要 height:100%：.panel-body 已有上下 margin，100% 会按整行算高，居中点被整体顶下去 */
      height: auto;
      min-height: 0;
      padding: 16px;
      overflow: auto;
    }
    .img-preview img { max-width: 85%; max-height: 85%; object-fit: contain; }
    .rail {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
      grid-column: 2;
      grid-row: 3;
      align-self: stretch;
      height: auto;
      min-height: 0;
      margin: 0;
      padding: calc(var(--panel-head-h) + 7px) 16px 8px 0;
      background: transparent;
      border: 0;
      overflow: visible;
    }
    .rail::before {
      content: "";
      position: absolute;
      left: -16px;
      top: calc(var(--panel-head-h) + 7px);
      bottom: 7px;
      width: 16px;
      pointer-events: none;
      z-index: 0;
      background:
        linear-gradient(rgba(88, 146, 232, .55), rgba(88, 146, 232, .55)) 6px 0 / 1px 100% no-repeat,
        linear-gradient(rgba(88, 146, 232, .55), rgba(88, 146, 232, .55)) 0 0 / 7px 1px no-repeat,
        linear-gradient(rgba(88, 146, 232, .55), rgba(88, 146, 232, .55)) 0 100% / 7px 1px no-repeat;
    }
    .rail-lead {
      position: absolute;
      right: 100%;
      top: 50%;
      width: 10px;
      height: 1px;
      margin-top: -0.5px;
      pointer-events: none;
      z-index: 1;
      background: rgba(88, 146, 232, .55);
    }
    .rail-item:hover .rail-lead,
    .rail-item:focus-visible .rail-lead {
      background: var(--hot);
    }
    .rail-group {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }
    .rail-title { display: none; }
    .rail-item {
      position: relative;
      display: grid;
      place-items: center;
      width: 40px;
      height: 40px;
      padding: 0;
      border: 0;
      border-radius: 0;
      color: var(--muted);
      background: transparent;
      text-decoration: none;
      cursor: pointer;
      font: inherit;
      overflow: visible;
    }
    .rail-item::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' fill-opacity='0.5'%3E%3Cpolygon fill='%235892E8' points='16,0 24,0 20,4'/%3E%3Cpolygon fill='%235892E8' points='16,40 24,40 20,36'/%3E%3Cpolygon fill='%235892E8' points='0,16 0,24 4,20'/%3E%3Cpolygon fill='%235892E8' points='40,16 40,24 36,20'/%3E%3C/svg%3E") center / 40px 40px no-repeat,
        linear-gradient(rgba(12, 16, 28, .9), rgba(12, 16, 28, .9)) 4px 4px / calc(100% - 8px) calc(100% - 8px) no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 0 / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 0 / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 0 / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 0 / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 100% / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 100% / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 100% / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 100% / 1px 13px no-repeat;
    }
    .rail-item::after {
      content: "";
      position: absolute;
      inset: 7px;
      z-index: 0;
      pointer-events: none;
      border: 1px solid rgba(88, 146, 232, .4);
    }
    .rail-item:hover,
    .rail-item:focus-visible {
      color: #041016;
    }
    .rail-item:hover::before,
    .rail-item:focus-visible::before {
      background: var(--hot);
      clip-path: polygon(
        0 0,
        16px 0, 20px 4px, 24px 0,
        100% 0,
        100% 16px, calc(100% - 4px) 20px, 100% 24px,
        100% 100%,
        24px 100%, 20px calc(100% - 4px), 16px 100%,
        0 100%,
        0 24px, 4px 20px, 0 16px
      );
      filter: drop-shadow(0 0 10px rgba(60, 229, 229, .4));
    }
    .rail-item:hover::after,
    .rail-item:focus-visible::after {
      inset: 0;
      z-index: 2;
      border: 0;
      box-shadow: none;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' fill='none' stroke='%23041016' stroke-width='1' stroke-linejoin='miter'%3E%3Cpath d='M7 7H16L20 11L24 7H33V16L29 20L33 24V33H24L20 29L16 33H7V24L11 20L7 16Z'/%3E%3C/svg%3E") center / 40px 40px no-repeat;
    }
    html.kg-tool[data-theme="light"] .rail-item::before {
      background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' fill-opacity='0.5'%3E%3Cpolygon fill='%235892E8' points='16,0 24,0 20,4'/%3E%3Cpolygon fill='%235892E8' points='16,40 24,40 20,36'/%3E%3Cpolygon fill='%235892E8' points='0,16 0,24 4,20'/%3E%3Cpolygon fill='%235892E8' points='40,16 40,24 36,20'/%3E%3C/svg%3E") center / 40px 40px no-repeat,
        linear-gradient(rgba(255,255,255,.94), rgba(255,255,255,.94)) 4px 4px / calc(100% - 8px) calc(100% - 8px) no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 0 / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 0 / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 0 / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 0 / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 100% / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 0 100% / 1px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 100% / 13px 1px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 100% 100% / 1px 13px no-repeat;
    }
    html.kg-tool[data-theme="light"] .rail-item:hover::before,
    html.kg-tool[data-theme="light"] .rail-item:focus-visible::before {
      background: var(--hot);
      clip-path: polygon(
        0 0,
        16px 0, 20px 4px, 24px 0,
        100% 0,
        100% 16px, calc(100% - 4px) 20px, 100% 24px,
        100% 100%,
        24px 100%, 20px calc(100% - 4px), 16px 100%,
        0 100%,
        0 24px, 4px 20px, 0 16px
      );
      filter: drop-shadow(0 0 10px rgba(26, 168, 168, .35));
    }
    html.kg-tool[data-theme="light"] .rail-item:hover::after,
    html.kg-tool[data-theme="light"] .rail-item:focus-visible::after {
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' fill='none' stroke='%23041016' stroke-width='1' stroke-linejoin='miter'%3E%3Cpath d='M7 7H16L20 11L24 7H33V16L29 20L33 24V33H24L20 29L16 33H7V24L11 20L7 16Z'/%3E%3C/svg%3E") center / 40px 40px no-repeat;
    }
    .rail-item svg {
      position: relative;
      z-index: 1;
      width: 24px;
      height: 24px;
      max-width: 24px;
      max-height: 24px;
      flex-shrink: 0;
    }
    .rail-item svg .plate {
      fill: #0c101c;
    }
    html.kg-tool[data-theme="light"] .rail-item svg .plate {
      fill: #fff;
    }
    .rail-item:hover svg .plate,
    .rail-item:focus-visible svg .plate {
      fill: var(--hot);
    }
    .rail-badge {
      position: absolute;
      left: 50%;
      bottom: 4px;
      z-index: 2;
      transform: translateX(-50%);
      padding: 0 3px;
      background: #0c101c;
      color: inherit;
      font: 700 7px/1 var(--sans);
      letter-spacing: .1em;
      pointer-events: none;
    }
    html.kg-tool[data-theme="light"] .rail-badge {
      background: #fff;
    }
    .rail-item:hover .rail-badge,
    .rail-item:focus-visible .rail-badge {
      background: var(--hot);
      color: #041016;
    }
    .rail-label {
      position: absolute;
      right: calc(100% + 8px);
      top: 0;
      display: flex;
      align-items: center;
      min-height: 40px;
      padding: 0 22px 0 14px;
      border: 1px solid var(--accent);
      border-radius: 0;
      color: #c4d4f4;
      background: rgba(62, 68, 102, .92);
      box-shadow: none;
      clip-path: polygon(
        0 0,
        100% 0,
        100% calc(100% - 8px),
        calc(100% - 8px) 100%,
        0 100%,
        0 58%,
        5px 58%,
        5px 42%,
        0 42%
      );
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .06em;
      line-height: 1;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transform: translateX(6px);
      transition: opacity .16s, transform .16s;
      z-index: 8;
    }
    .rail-label::after {
      content: "";
      position: absolute;
      top: 7px;
      right: 8px;
      width: 8px;
      height: 3px;
      pointer-events: none;
      background:
        radial-gradient(circle closest-side, var(--accent) 1.1px, transparent 1.2px) 0 50% / 3px 3px no-repeat,
        radial-gradient(circle closest-side, var(--accent) 1.1px, transparent 1.2px) 100% 50% / 3px 3px no-repeat;
    }
    html.kg-tool[data-theme="light"] .rail-label {
      color: #1e293b;
      background: rgba(226, 232, 247, .96);
    }
    .rail-item:hover .rail-label,
    .rail-item:focus-visible .rail-label {
      opacity: 1;
      transform: none;
      color: var(--hot);
      background: color-mix(in srgb, var(--hot) 12%, #0b1020);
      border-color: var(--hot);
      box-shadow: 0 0 12px rgba(60, 229, 229, .28);
    }
    .rail-item:hover .rail-label::after,
    .rail-item:focus-visible .rail-label::after {
      background:
        radial-gradient(circle closest-side, var(--hot) 1.1px, transparent 1.2px) 0 50% / 3px 3px no-repeat,
        radial-gradient(circle closest-side, var(--hot) 1.1px, transparent 1.2px) 100% 50% / 3px 3px no-repeat;
    }
    html.kg-tool[data-theme="light"] .rail-item:hover .rail-label,
    html.kg-tool[data-theme="light"] .rail-item:focus-visible .rail-label {
      color: var(--hot);
      background: color-mix(in srgb, var(--hot) 12%, #fff);
    }
    .rail-foot { margin-top: auto; }
    .rail-pop { position: relative; }
    .rail-pop:hover .rail-item .rail-label,
    .rail-pop:focus-within .rail-item .rail-label { opacity: 0; }
    .rail-card {
      position: absolute;
      right: calc(100% + 8px);
      bottom: 0;
      width: 196px;
      padding: 14px;
      border-radius: 0;
      clip-path: polygon(
        0 0,
        100% 0,
        100% calc(100% - 8px),
        calc(100% - 8px) 100%,
        0 100%,
        0 calc(50% + 4px),
        5px calc(50% + 4px),
        5px calc(50% - 4px),
        0 calc(50% - 4px)
      );
      color: var(--hot);
      background: color-mix(in srgb, var(--hot) 12%, #0b1020);
      border: 1px solid var(--hot);
      box-shadow: 0 0 12px rgba(60, 229, 229, .28);
      opacity: 0;
      pointer-events: none;
      transform: translateX(6px);
      transition: opacity .16s, transform .16s;
      z-index: 8;
    }
    .rail-card::after {
      content: "";
      position: absolute;
      top: 7px;
      right: 14px;
      width: 8px;
      height: 3px;
      pointer-events: none;
      background:
        radial-gradient(circle closest-side, var(--hot) 1.1px, transparent 1.2px) 0 50% / 3px 3px no-repeat,
        radial-gradient(circle closest-side, var(--hot) 1.1px, transparent 1.2px) 100% 50% / 3px 3px no-repeat;
    }
    html.kg-tool[data-theme="light"] .rail-card {
      background: color-mix(in srgb, var(--hot) 12%, #fff);
    }
    .rail-pop:hover .rail-card, .rail-pop:focus-within .rail-card {
      opacity: 1;
      pointer-events: auto;
      transform: none;
    }
    .rail-card b {
      display: block;
      margin-bottom: 6px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .06em;
      line-height: 1;
    }
    .rail-card p {
      margin: 0 0 10px;
      color: color-mix(in srgb, var(--hot) 70%, #8aa0c4);
      font-size: 12px;
      line-height: 1.45;
    }
    .rail-qr {
      position: relative;
      width: 100%;
      padding: 6px;
      line-height: 0;
      background: var(--hot);
      box-shadow: inset 0 0 18px rgba(4, 16, 22, .35);
    }
    .rail-qr img {
      display: block;
      width: 100%;
      height: auto;
      filter: invert(1);
      mix-blend-mode: multiply;
    }
    .hidden { display: none !important; }
    @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
      .frost, .workspace, .compare, .top { background: rgba(18, 18, 26, .92); }
    }
    html.kg-tool #__nuxt,
    html.kg-tool #__layout,
    html.kg-tool .kg-tool-root {
      height: 100%;
    }
    @media (max-width: 980px) {
      .workspace, .compare { grid-template-columns: 1fr; }
      .panel + .panel { border-left: 0; border-top: 1px solid var(--accent); }
      .ua-cards { grid-template-columns: 1fr 1fr; }
      .rail { display: none; }
      .shell { grid-template-columns: minmax(0, 1fr); }
      .top-actions { padding-right: 0; }
    }
  