:root {
        --ink-900: #2f251b;
        --ink-700: #4a3a2c;
        --ink-500: #6b5a48;
        --paper-100: #f6f0e5;
        --paper-200: #efe4d2;
        --paper-300: #e5d8c4;
        --seal-red: #8d3b2d;
        --jade-green: #425843;
        --edge-line: #c9b79a;
        --explorer-dock-width: clamp(290px, 21vw, 360px);
        --explorer-gap: 0.95rem;
      }

      body {
        margin: 0;
        color: var(--ink-900);
        background: linear-gradient(180deg, #f7f2e8 0%, #efe6d8 100%);
        font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
        line-height: 1.72;
        overflow-x: hidden;
      }

      .site-shell {
        min-height: 100vh;
        position: relative;
        overflow-x: hidden;
      }

      .archive-header {
        padding: 1.4rem 0 0.7rem;
      }

      .archive-title-wrap {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
        gap: 1rem;
        border-bottom: 1px solid rgba(201, 183, 154, 0.9);
        padding-bottom: 0.9rem;
      }

      .archive-title-block {
        min-width: 0;
      }

      .archive-kicker {
        margin: 0;
        letter-spacing: 0.17em;
        font-size: 0.72rem;
        color: var(--ink-500);
        text-transform: uppercase;
      }

      .archive-title {
        margin: 0.3rem 0 0;
        font-size: clamp(1.9rem, 2.8vw, 2.9rem);
        line-height: 1.16;
        font-family: "IosevkaSlabWEB", "Songti SC", "STSong", serif;
        font-weight: 700;
        letter-spacing: 0.01em;
      }

      .archive-title a {
        color: var(--ink-900);
        text-decoration: none;
      }

      .archive-title a:hover {
        color: var(--seal-red);
      }

      .archive-subtitle {
        margin: 0.32rem 0 0;
        color: var(--ink-500);
        font-size: 0.92rem;
        max-width: 62ch;
      }

      .archive-seal {
        width: 60px;
        height: 60px;
        border-radius: 999px;
        border: 1px solid rgba(201, 183, 154, 0.95);
        display: grid;
        place-items: center;
        background: rgba(255, 250, 242, 0.35);
        box-shadow: none;
      }

      .archive-seal::after {
        content: "鲁";
        color: var(--ink-700);
        font-weight: 700;
        font-size: 1.2rem;
      }

      .panel-paper,
      .list-group-item {
        background: rgba(255, 252, 246, 0.38);
      }

      .panel-paper {
        border: 1px solid rgba(201, 183, 154, 0.45);
        border-radius: 8px;
        box-shadow: none;
      }

      .panel-paper .card-header {
        border-bottom: 1px solid rgba(201, 183, 154, 0.5);
        background: rgba(255, 252, 246, 0.16);
      }

      .archive-main h1,
      .archive-main h2,
      .archive-main h3 {
        color: var(--ink-900);
        font-weight: 700;
      }

      .breadcrumb {
        border: 0;
        border-radius: 0;
        padding: 0;
        margin: 0;
        background: transparent;
        font-size: 0.92rem;
      }

      .breadcrumb-item + .breadcrumb-item::before {
        color: rgba(74, 58, 44, 0.6);
      }

      .breadcrumb-item a {
        color: var(--jade-green);
        text-decoration: none;
      }

      .breadcrumb-item a:hover {
        color: var(--seal-red);
      }

      .page-title-panel {
        padding: 0.2rem 0 0.75rem;
        display: flex;
        flex-direction: column;
        gap: 0.42rem;
        border-bottom: 1px solid rgba(201, 183, 154, 0.76);
      }

      .page-title {
        margin: 0;
        font-size: clamp(1.25rem, 2vw, 1.7rem);
        line-height: 1.34;
        font-weight: 600;
      }

      .page-title-main {
        min-width: 0;
      }

      .page-crumb-nav .breadcrumb {
        margin-bottom: 0;
      }

      a {
        color: var(--jade-green);
        text-decoration: none;
      }

      a:hover {
        color: var(--seal-red);
        text-decoration: none;
      }

      a:focus,
      a:active,
      a:visited {
        text-decoration: none;
      }

      .archive-main hr {
        border-color: var(--edge-line);
        opacity: 0.9;
      }

      .article-body {
        font-size: 1.05rem;
        color: var(--ink-900);
        white-space: pre-wrap;
        word-break: break-word;
      }

      #optimized-content.article-body {
        font-family: "SimSun", "Songti SC", "STSong", serif;
      }

      #original-content.article-body {
        font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
      }

      #original-content .article-pre {
        white-space: normal;
      }

      #original-content .article-plain {
        white-space: pre-wrap;
        white-space: break-spaces;
        word-break: break-word;
        overflow-wrap: anywhere;
      }

      #original-content .ascii-table-wrap {
        margin: 0.65rem 0;
        overflow-x: auto;
        border: 1px solid rgba(201, 183, 154, 0.65);
        border-radius: 8px;
        background: rgba(255, 252, 246, 0.58);
      }

      #original-content .ascii-table-raw {
        display: inline-block;
        min-width: 100%;
        padding: 0.5rem 0.68rem;
        white-space: pre;
        line-height: 1.45;
        font-size: 0.95rem;
        font-family: "SimSun", serif;
        tab-size: 8;
      }

      .article-body p {
        margin-bottom: 1rem;
      }

      .db-entry-overview {
        margin: 0.38rem 0 0;
        color: var(--ink-600);
        font-size: 0.9rem;
        line-height: 1.42;
      }

      .reflow-float {
        position: fixed;
        right: 1rem;
        bottom: 1rem;
        top: auto;
        transform: none;
        z-index: 1032;
        min-width: 146px;
        padding: 0.62rem;
      }

      .reflow-float-title {
        margin: 0 0 0.42rem;
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.03em;
        color: var(--ink-500);
      }

      .reflow-float-group {
        display: flex;
        flex-direction: column;
        gap: 0.4rem;
        width: 100%;
      }

      .reflow-float-group .btn {
        width: 100%;
      }

      .explorer-launch {
        position: fixed;
        left: 0.7rem;
        bottom: 1rem;
        z-index: 1030;
        border: 1px solid var(--edge-line);
        border-radius: 10px;
        background: rgba(255, 251, 243, 0.95);
        color: var(--ink-700);
        box-shadow: 0 8px 18px rgba(58, 42, 31, 0.16);
      }

      .explorer-launch:hover {
        color: var(--seal-red);
        border-color: var(--seal-red);
      }

      .explorer-canvas {
        --bs-offcanvas-width: min(360px, 86vw);
        background: linear-gradient(180deg, rgba(249, 241, 230, 0.98) 0%, rgba(243, 232, 215, 0.98) 100%);
        border-right: 1px solid var(--edge-line);
        overflow-x: hidden;
      }

      .explorer-dock,
      .explorer-dock *,
      .explorer-canvas,
      .explorer-canvas * {
        box-sizing: border-box;
      }

      .explorer-canvas .offcanvas-header {
        border-bottom: 1px solid var(--edge-line);
        background: rgba(255, 249, 239, 0.92);
      }

      .explorer-canvas .offcanvas-body {
        overflow-x: hidden;
      }

      .explorer-dock {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--explorer-dock-width);
        z-index: 1020;
        flex-direction: column;
        border: 1px solid var(--edge-line);
        border-radius: 0 14px 14px 0;
        background: linear-gradient(180deg, rgba(249, 241, 230, 0.98) 0%, rgba(243, 232, 215, 0.98) 100%);
        box-shadow: 0 10px 24px rgba(58, 42, 31, 0.16);
        overflow: hidden;
      }

      .explorer-dock-header {
        border-bottom: 1px solid var(--edge-line);
        background: rgba(255, 249, 239, 0.92);
        padding: 0.9rem 0.95rem 0.75rem;
      }

      .explorer-dock-body {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 0.85rem 0.95rem;
      }

      .explorer-title {
        margin: 0;
        font-family: "IosevkaSlabWEB", "Songti SC", "STSong", serif;
        font-weight: 700;
        color: var(--ink-900);
        letter-spacing: 0.02em;
      }

      .explorer-tree {
        font-size: 0.95rem;
        min-width: 0;
        overflow-x: hidden;
      }

      .explorer-tools {
        min-width: 0;
        width: 100%;
        overflow-x: hidden;
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        justify-items: start;
      }

      .explorer-tools input.form-control {
        display: block;
        border-color: var(--edge-line);
        background: rgba(255, 252, 246, 0.92);
        width: min(100%, 14.5rem);
        min-width: 0;
        max-width: 14.5rem;
        inline-size: min(100%, 14.5rem);
        max-inline-size: 14.5rem;
      }

      .explorer-tools input.form-control:focus {
        border-color: var(--jade-green);
        box-shadow: 0 0 0 0.16rem rgba(66, 88, 67, 0.18);
      }

      @media (max-width: 1199.98px) {
        .explorer-tools input.form-control {
          width: 100%;
          max-width: 100%;
          inline-size: 100%;
          max-inline-size: 100%;
        }
      }

      .explorer-list,
      .explorer-subtree {
        margin: 0;
        padding: 0;
        list-style: none;
      }

      .explorer-item + .explorer-item {
        margin-top: 0.12rem;
      }

      .explorer-row {
        display: flex;
        align-items: flex-start;
        gap: 0.2rem;
        min-width: 0;
      }

      .explorer-toggle,
      .explorer-toggle-placeholder {
        width: 1.32rem;
        flex: 0 0 1.32rem;
      }

      .explorer-toggle {
        height: 1.32rem;
        margin-top: 0.08rem;
        border: 1px solid rgba(201, 183, 154, 0.85);
        border-radius: 6px;
        background: rgba(255, 252, 246, 0.92);
        color: var(--ink-700);
        line-height: 1;
        font-size: 0.74rem;
        padding: 0;
      }

      .explorer-toggle:hover {
        color: var(--seal-red);
        border-color: var(--seal-red);
      }

      .explorer-node {
        display: block;
        flex: 1;
        min-width: 0;
        text-decoration: none;
        color: var(--ink-700);
        border-radius: 8px;
        padding: 0.2rem 0.38rem;
        line-height: 1.36;
      }

      .explorer-node-title {
        display: block;
        overflow-wrap: anywhere;
        word-break: break-word;
      }

      .explorer-node:hover {
        background: rgba(66, 88, 67, 0.12);
        color: var(--jade-green);
      }

      .explorer-node.explorer-current {
        background: rgba(141, 59, 45, 0.14);
        color: var(--seal-red);
      }

      .explorer-node.explorer-hit {
        background: rgba(66, 88, 67, 0.16);
      }

      .explorer-subtree {
        margin: 0.15rem 0 0.2rem 0.67rem;
        padding-left: 0.58rem;
        border-left: 1px dashed rgba(201, 183, 154, 0.7);
      }

      .archive-footer {
        color: var(--ink-500);
        font-size: 0.9rem;
      }

      .archive-footer-notes {
        margin: 0 0 0.8rem;
        padding: 0.2rem 0 0;
      }

      .archive-footer-note {
        margin: 0 0 0.38rem;
        color: var(--ink-700);
      }

      .archive-footer-note:last-child {
        margin-bottom: 0;
      }

      .archive-footer-note-label {
        color: var(--ink-500);
      }

      .archive-footer-url {
        overflow-wrap: anywhere;
        word-break: break-word;
      }

      @media (min-width: 1200px) {
        body.with-explorer .archive-header,
        body.with-explorer .archive-main,
        body.with-explorer .archive-footer {
          margin-left: calc(var(--explorer-dock-width) + var(--explorer-gap));
          margin-right: var(--explorer-gap);
          width: calc(100% - var(--explorer-dock-width) - (var(--explorer-gap) * 2));
          max-width: none;
        }
      }

      @media (max-width: 768px) {
        .explorer-canvas {
          --bs-offcanvas-width: 100vw;
          border-right: 0;
        }

        .reflow-float {
          top: auto;
          bottom: 1rem;
          right: 1rem;
          transform: none;
          min-width: 132px;
        }
        
        .archive-header {
          padding-top: 1rem;
          padding-bottom: 0.55rem;
        }

        .archive-title-wrap {
          grid-template-columns: 1fr;
          gap: 0.45rem;
          padding-bottom: 0.65rem;
        }

        .archive-seal {
          display: none;
        }
      }