/* Extracted from page\about\about.html */
/* Language Switch — 与网站内容区右侧对齐 */
    .page-banner .container {
      position: relative;
    }
    .lang-switch {
      position: absolute;
      top: 20px;
      right: 0;
      z-index: 10;
      display: inline-flex;
      background: rgba(0, 149, 179, 0.2);
      border-radius: 20px;
      padding: 3px;
    }
    .lang-btn {
      padding: 5px 16px;
      border: none;
      border-radius: 18px;
      font-size: 0.78rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s;
      background: transparent;
      color: rgba(255,255,255,0.7);
    }
    .lang-btn.active {
      background: #fff;
      color: #0095b3;
    }
    .lang-btn:hover:not(.active) {
      color: #00c4d6;
    }

    /* Page-specific overrides — content padding */
    .page-banner { padding: 56px 0 48px; }

    /* Content section */
    .content-section { padding: 56px 0; }
    .intro-text {
      font-size: 1.05rem;
      line-height: 2;
      color: #3a3a5c;
      margin-bottom: 24px;
    }
    .highlight-box {
      background: linear-gradient(135deg, rgba(0, 122, 153, 0.06), rgba(0, 149, 179, 0.08));
      border-left: 4px solid #0095b3;
      border-radius: 0 10px 10px 0;
      padding: 28px 32px;
      margin: 36px 0;
    }
    .highlight-box p {
      font-size: 0.98rem;
      line-height: 1.9;
      color: #3a3a5c;
      margin: 0;
    }

    /* ── Overview Text + Image Layout ── */
    .overview-layout {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 40px;
      margin: 40px 0;
      align-items: center;
    }
    .overview-text-col {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .overview-image-col {
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(10, 42, 94, 0.12);
    }
    .overview-image-col img {
      width: 100%;
      object-fit: cover;
      display: block;
    }
    /* 图片横向排列 + 特效 */
    .overview-images-row {
      display: flex;
      gap: 12px;
      padding: 16px;
      background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
      border-radius: 16px;
    }
    .overview-img-wrapper {
      flex: 1;
      border-radius: 12px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 8px 24px rgba(0, 122, 153, 0.15);
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .overview-img-wrapper::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 60%, rgba(0, 122, 153, 0.1) 100%);
      z-index: 1;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .overview-img-wrapper:hover {
      transform: translateY(-6px) scale(1.02);
      box-shadow: 0 16px 40px rgba(0, 122, 153, 0.25);
    }
    .overview-img-wrapper:hover::before {
      opacity: 1;
    }
    .overview-img-wrapper img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      display: block;
    }

    /* ── Overview Feature Cards - 精美图文卡片 ── */
    .overview-features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin: 48px 0;
    }
    .overview-feature {
      background: linear-gradient(145deg, #fff 0%, #f8fafc 100%);
      border-radius: 16px;
      padding: 32px 26px;
      text-align: center;
      border: 1px solid #e8ecf4;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }
    .overview-feature::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #0095b3, #00c4d6);
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }
    .overview-feature:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 50px rgba(0, 149, 179, 0.12);
      border-color: transparent;
    }
    .overview-feature:hover::before {
      transform: scaleX(1);
    }
    .overview-feature h4 {
      font-size: 1.1rem;
      color: #0a2a5e;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .overview-feature p {
      font-size: 0.88rem;
      color: #6c7a95;
      line-height: 1.7;
      margin: 0;
    }

    /* Labs section */
    .labs-section { margin-top: 48px; }
    .labs-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 28px;
    }
    .labs-header h2 {
      font-size: 1.4rem;
      color: #0a2a5e;
      margin: 0;
    }
    .labs-header::after {
      content: '';
      flex: 1;
      height: 2px;
      background: linear-gradient(90deg, rgba(0, 149, 179, 0.3), transparent);
    }

    .labs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .lab-card {
      background: #fff;
      border: 1px solid #e8ecf4;
      border-radius: 12px;
      padding: 24px 22px;
      box-shadow: 0 2px 12px rgba(0, 149, 179, 0.06);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .lab-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
    }
    .lab-card:nth-child(1)::before { background: linear-gradient(90deg, #0095b3, #00c4d6); }
    .lab-card:nth-child(2)::before { background: linear-gradient(90deg, #00a8c6, #00c4d6); }
    .lab-card:nth-child(3)::before { background: linear-gradient(90deg, #007a99, #0095b3); }
    .lab-card:nth-child(4)::before { background: linear-gradient(90deg, #0a2a5e, #007a99); }

    .lab-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 28px rgba(0, 149, 179, 0.12);
      border-color: #0095b3;
    }

    .lab-card h3 {
      font-size: 1rem;
      color: #0a2a5e;
      margin-bottom: 6px;
    }
    .lab-card .lab-lead {
      font-size: 0.82rem;
      font-weight: 600;
      margin-bottom: 10px;
    }
    .lab-card:nth-child(1) .lab-lead { color: #0095b3; }
    .lab-card:nth-child(2) .lab-lead { color: #0095b3; }
    .lab-card:nth-child(3) .lab-lead { color: #0095b3; }
    .lab-card:nth-child(4) .lab-lead { color: #0095b3; }

    .lab-card p {
      font-size: 0.85rem;
      color: #6c7a95;
      line-height: 1.7;
      margin: 0;
    }

    .lab-keywords {
      margin-top: 12px;
      padding-top: 10px;
      border-top: 1px solid #f0f3fa;
      font-size: 0.75rem;
      color: #6c7a95;
    }
    .lab-keywords span {
      display: inline-block;
      background: rgba(0, 149, 179, 0.06);
      color: #0095b3;
      padding: 2px 8px;
      border-radius: 4px;
      margin: 2px 4px 2px 0;
    }

    /* Codex desktop refinement */
    @media (min-width: 901px) {
      .page-banner--about {
        min-height: 390px;
        padding: 92px 0 82px;
      }
      .page-banner--about h1 {
        font-size: clamp(3.1rem, 5vw, 4.65rem);
        line-height: 1.04;
        letter-spacing: 0;
      }
      .page-banner--about .banner-subtitle {
        max-width: 860px;
        font-size: 1.16rem;
        line-height: 1.82;
      }
      .content-section {
        padding: 88px 0 110px;
      }
      .content-section.page-section {
        padding: 94px 0 110px;
      }
      .overview-layout {
        grid-template-columns: 0.95fr 1.25fr;
        gap: 68px;
        margin: 66px 0 78px;
      }
      .intro-text {
        font-size: 1.16rem;
        line-height: 1.96;
      }
      .highlight-box {
        padding: 42px 44px;
        border-radius: 8px;
      }
      .highlight-box p {
        font-size: 1.08rem;
        line-height: 1.86;
      }
      .overview-image-col,
      .overview-feature,
      .lab-card {
        border-radius: 8px;
      }
      .overview-features {
        gap: 30px;
      }
      .overview-feature {
        min-height: 258px;
        padding: 38px 34px;
      }
      .overview-feature h4 {
        font-size: 1.34rem;
        line-height: 1.35;
      }
      .overview-feature p {
        font-size: 1.02rem;
        line-height: 1.76;
      }
      .labs-section {
        margin-top: 78px;
      }
      .labs-header h2 {
        font-size: 2.45rem;
      }
      .labs-header p {
        font-size: 1.08rem;
        line-height: 1.76;
      }
      .labs-grid {
        gap: 28px;
      }
      .lab-card {
        min-height: 286px;
        padding: 34px 30px;
      }
      .lab-card h3 {

    -webkit-line-clamp: 2;
        font-size: 1.3rem;
        line-height: 1.38;
        min-height: 2.7em;
      }
      .lab-card p {
        font-size: 1rem;
        line-height: 1.76;
      }
      .lab-keywords {
        font-size: 0.9rem;
        line-height: 1.7;
      }
    }

    @media (max-width: 900px) {
      .page-banner--about {
        min-height: 240px;
        padding: 54px 0 46px;
      }
      .lang-switch {
        position: static;
        margin-bottom: 18px;
      }
      .overview-layout {
        grid-template-columns: 1fr;
        gap: 22px;
        margin: 32px 0 38px;
      }
      .overview-text-col {
        order: 1;
      }
      .overview-image-col {
        order: 2;
      }
      .overview-images-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        padding: 10px;
        border-radius: 10px;
      }
      .overview-img-wrapper {
        border-radius: 8px;
        box-shadow: 0 8px 22px rgba(21,32,53,0.1);
      }
      .overview-img-wrapper:hover {
        transform: none;
      }
      .highlight-box {
        margin: 0;
        padding: 22px 20px;
        border-radius: 8px;
      }
      .highlight-box p,
      .intro-text {
        overflow-wrap: anywhere;
      }
      .labs-grid { grid-template-columns: 1fr; }
      .overview-features { grid-template-columns: 1fr; }
    }

    @media (max-width: 560px) {
      .overview-images-row {
        grid-template-columns: 1fr;
      }
      .overview-img-wrapper img {
        aspect-ratio: 16 / 10;
      }
    }