:root {
      --jbl4-color-primary: #0f766e;
      --jbl4-color-accent: #14b8a6;
      --jbl4-color-deep: #0f172a;
      --jbl4-color-bg: #f3f7f8;
      --jbl4-color-panel: #ffffff;
      --jbl4-color-soft: #e6fffb;
      --jbl4-color-text: #111827;
      --jbl4-color-muted: #64748b;
      --jbl4-color-border: #d7e2e5;
      --jbl4-color-gradient: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%);
    }

    * {
      box-sizing: border-box;
      margin: 2px;
      padding: 2px;
    }

    body.jbl4-shell-body {
      background: var(--jbl4-color-bg);
      color: var(--jbl4-color-text);
      font: 14px/1.45 Arial, "Microsoft YaHei", sans-serif;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    a:focus-visible {
      outline: 2px solid var(--jbl4-color-accent);
      outline-offset: 1px;
    }

    img {
      display: block;
      object-fit: cover;
    }

    .jbl4-site-header,
    .jbl4-site-footer,
    .jbl4-match-strip,
    .jbl4-versus-board,
    .jbl4-live-actions,
    .jbl4-related-board,
    .jbl4-content-board {
      background: var(--jbl4-color-panel);
      border: 1px solid var(--jbl4-color-border);
    }

    .jbl4-site-header {
      border-top: 0;
      border-left: 0;
      border-right: 0;
    }

    .jbl4-site-footer {
      color: var(--jbl4-color-muted);
    }

    .jbl4-site-headwrap,
    .jbl4-site-footwrap,
    .jbl4-main-wrap {
      max-width: 1080px;
      margin: 0 auto;
    }

    .jbl4-site-headwrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .jbl4-site-brand,
    .jbl4-site-footbrand,
    .jbl4-block-title {
      color: var(--jbl4-color-primary);
      font-size: 18px;
      font-weight: 700;
    }

    .jbl4-site-nav {
      display: flex;
      overflow-x: auto;
    }

    .jbl4-site-link {
      padding: 2px 6px;
      border-left: 3px solid transparent;
      white-space: nowrap;
    }

    .jbl4-site-link:hover {
      background: var(--jbl4-color-soft);
      border-left-color: var(--jbl4-color-accent);
    }

    .jbl4-breadcrumb {
      background: var(--jbl4-color-panel);
      border: 1px solid var(--jbl4-color-border);
      color: var(--jbl4-color-muted);
    }

    .jbl4-match-strip {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      border-left: 4px solid var(--jbl4-color-primary);
      background:
        linear-gradient(90deg, var(--jbl4-color-soft) 0, rgba(255, 255, 255, .96) 46%, var(--jbl4-color-panel) 100%);
    }

    .jbl4-match-strip::after {
      content: "";
      position: absolute;
      right: 2px;
      top: 2px;
      bottom: 2px;
      width: 3px;
      background: var(--jbl4-color-accent);
    }

    .jbl4-match-info {
      min-width: 0;
      padding-right: 2px;
    }

    .jbl4-match-title {
      color: var(--jbl4-color-deep);
      font-size: 18px;
      font-weight: 700;
      line-height: 1.25;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .jbl4-match-meta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      max-width: 100%;
      color: var(--jbl4-color-primary);
      font-weight: 700;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .jbl4-match-status {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 2px 8px;
      border-radius: 999px;
      color: #fff;
      white-space: nowrap;
    }

    .jbl4-match-status.is-not-started {
      background: #6b7280;
    }

    .jbl4-match-status.is-live {
      background: #dc2626;
    }

    .jbl4-match-status.is-ended {
      background: #16a34a;
    }

    .jbl4-summary-text {
      color: var(--jbl4-color-muted);
      display: -webkit-box;
      line-height: 1.35;
      overflow: hidden;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .jbl4-versus-board {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      align-items: center;
      background:
        linear-gradient(180deg, #fbfdfe 0, #fbfdfe 48%, var(--jbl4-color-soft) 48%, var(--jbl4-color-soft) 52%, #fbfdfe 52%, #fbfdfe 100%);
      border-top: 0;
    }

    .jbl4-team-home,
    .jbl4-team-away {
      display: grid;
      align-items: center;
      min-width: 0;
      min-height: 106px;
      background: rgba(255, 255, 255, .88);
      border: 1px solid var(--jbl4-color-border);
    }

    .jbl4-team-home {
      grid-template-columns: 100px minmax(0, 1fr) 28px;
      border-left: 4px solid var(--jbl4-color-primary);
    }

    .jbl4-team-home::after {
      content: "主";
      color: var(--jbl4-color-primary);
      font-weight: 700;
      text-align: center;
    }

    .jbl4-team-away {
      grid-template-columns: 28px minmax(0, 1fr) 100px;
      justify-items: end;
      text-align: right;
      border-right: 4px solid var(--jbl4-color-accent);
    }

    .jbl4-team-away::before {
      content: "客";
      color: var(--jbl4-color-accent);
      font-weight: 700;
      justify-self: center;
    }

    .jbl4-team-logo {
      width: 100px;
      height: 100px;
      border: 1px solid var(--jbl4-color-border);
      background: var(--jbl4-color-soft);
      border-radius: 50%;
    }

    .jbl4-team-name {
      max-width: 100%;
      color: var(--jbl4-color-deep);
      font-size: 16px;
      font-weight: 700;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .jbl4-score-box {
      position: absolute;
      left: 50%;
      top: 50%;
      z-index: 1;
      display: grid;
      place-items: center;
      width: 42px;
      height: 24px;
      min-width: 0;
      background: var(--jbl4-color-deep);
      border: 1px solid var(--jbl4-color-accent);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      transform: translate(-50%, -50%);
    }

    .jbl4-live-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      overflow: hidden;
      padding: 8px;
      background: linear-gradient(180deg, #fbfdfe 0, #eefafa 100%);
      border-top: 0;
      white-space: nowrap;
    }

    .jbl4-live-btn,
    .jbl4-live-actions a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 1 1 0;
      min-width: 0;
      min-height: 34px;
      padding: 7px 6px;
      background: var(--jbl4-color-gradient);
      border: 1px solid rgba(15, 118, 110, .18);
      border-radius: 4px;
      box-shadow: 0 1px 2px rgba(15, 23, 42, .08);
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      line-height: 1.1;
      text-align: center;
      text-decoration: none;
      white-space: nowrap;
    }

    .jbl4-live-btn:hover,
    .jbl4-live-actions a:hover {
      filter: brightness(.98);
      transform: translateY(-1px);
    }

    .jbl4-live-actions a:active {
      transform: translateY(0);
    }

    .jbl4-block-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-left: 4px solid var(--jbl4-color-accent);
      background: var(--jbl4-color-panel);
    }

    .jbl4-related-row {
      display: grid;
      grid-template-columns: 1fr auto;
      border-bottom: 1px dotted var(--jbl4-color-border);
    }

    .jbl4-related-title {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .jbl4-related-date,
    .jbl4-site-footnote,
    .jbl4-site-contact {
      color: var(--jbl4-color-muted);
    }

    .jbl4-content-board {
      color: var(--jbl4-color-text);
    }

    .jbl4-content-board p {
      margin: 2px;
      padding: 2px;
    }

    @media (min-width:1024px) {
      body.jbl4-shell-body {
        font-size: 16px;
      }

      .jbl4-team-name {
        font-size: 20px;
      }

      .jbl4-match-strip {
        grid-template-columns: minmax(0, 1fr);
      }

      .jbl4-versus-board {
        grid-template-columns: minmax(0, 1fr);
      }

      .jbl4-team-home {
        grid-template-columns: 100px minmax(0, 1fr) 34px;
      }

      .jbl4-team-away {
        grid-template-columns: 34px minmax(0, 1fr) 100px;
      }

      .jbl4-team-logo {
        width: 100px;
        height: 100px;
      }

      .jbl4-live-actions {
        gap: 10px;
        padding: 12px;
      }

      .jbl4-live-btn,
      .jbl4-live-actions a {
        min-height: 42px;
        padding: 10px 16px;
        font-size: 16px;
      }
    }
  
    /* jbl4 sticky footer layout */
    html,
    body {
      min-height: 100%;
    }

    body.jbl4-shell-body {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .jbl4-main-wrap {
      width: 100%;
      flex: 1 0 auto;
    }

    .jbl4-site-footer {
      flex-shrink: 0;
      margin-top: auto;
    }