:root {
      --bg: #7defe8;
      --bg-2: #5bd5cc;
      --panel: #ffffff;
      --panel-soft: #f3f7fb;
      --text: #0f172a;
      --muted: #5b6b7a;
      --accent: #14b8a6;
      --shadow: 0 14px 30px rgba(10, 30, 40, 0.18);
      --tile-radius: 20px;
      --tile-shadow: 0 8px 18px rgba(8, 32, 45, 0.18);
      --tile-shadow-hover: 0 12px 22px rgba(8, 32, 45, 0.22);
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      overflow-x: hidden;
      margin: 0;
      font-family: "Rubik", "Trebuchet MS", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.4), transparent 50%),
        radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.35), transparent 45%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0 14px, transparent 14px 28px),
        linear-gradient(160deg, var(--bg), var(--bg-2));
      min-height: 100vh;
    }

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

    .page {
      max-width: 1280px;
      margin: 0 auto;
      padding: 24px;
    }

    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
    }

    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.75);
      box-shadow: var(--shadow);
    }

    .page-title {
      font-size: 20px;
      font-weight: 700;
    }


    .layout,
    main,
    aside {
      min-width: 0;
    }

    img {
      max-width: 100%;
    }
    .layout {
      display: grid;
      grid-template-columns: 120px minmax(0, 1fr) 360px;
      gap: 20px;
    }

    nav.rail {
      background: rgba(255, 255, 255, 0.65);
      border-radius: var(--radius-lg);
      padding: 12px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: center;
    }

    .rail-button,
    .rec-card,
    .carousel-card {
      position: relative;
      border-radius: var(--tile-radius);
      overflow: hidden;
      background: #ffffff;
      box-shadow: var(--tile-shadow);
      cursor: pointer;
      border: none;
      padding: 0;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .rail-button {
      width: 96px;
      height: 96px;
    }

    .rec-card,
    .carousel-card {
      width: 100%;
      aspect-ratio: 1 / 1;
      min-width: 120px;
    }

    .rail-button.current {
      outline: 3px solid rgba(20, 184, 166, 0.6);
    }

    .rail-button:hover,
    .rec-card:hover,
    .carousel-card:hover,
    .rail-button:focus-visible,
    .rec-card:focus-visible,
    .carousel-card:focus-visible {
      transform: translateY(-2px);
      box-shadow: var(--tile-shadow-hover);
    }

    .rail-button::after,
    .rec-card::after,
    .carousel-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 45%);
      pointer-events: none;
    }

    .rail-thumb,
    .rec-thumb,
    .carousel-thumb {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .rail-label {
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 10px;
      padding: 8px 10px;
      border-radius: 12px;
      background: rgba(10, 20, 28, 0.55);
      font-weight: 700;
      letter-spacing: 0.4px;
      color: #f8fafc;
      font-size: 12px;
      text-transform: none;
      z-index: 1;
      text-align: left;
      text-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
      opacity: 0;
      transform: translateY(6px);
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .rail-button:hover .rail-label,
    .rail-button:focus-visible .rail-label {
      opacity: 1;
      transform: translateY(0);
    }


    main {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }


    .player-header {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      column-gap: 18px;
      row-gap: 0;
      align-items: start;
    }

    .player-thumb {
      width: 96px;
      height: 96px;
      border-radius: 18px;
      object-fit: cover;
      background: #cfe7f3;
      box-shadow: 0 8px 16px rgba(10, 30, 40, 0.12);
      grid-row: 1 / span 2;
    }

    .player-text {
      display: contents;
    }

    .player-text h1 {
      margin: 0;
      font-size: 20px;
      grid-column: 2;
      grid-row: 1;
    }

    .player-desc {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      grid-column: 2;
      grid-row: 2;
    }


    .player-details {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px 16px;
      margin: 12px 0 0;
      grid-column: 1 / -1;
      grid-row: 3;
    }

    .player-details div {
      background: var(--panel-soft);
      border-radius: 12px;
      padding: 10px 12px;
    }

    .player-details dt {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.6px;
      color: var(--muted);
      margin-bottom: 4px;
    }

    .player-details dd {
      margin: 0;
      font-weight: 600;
      font-size: 14px;
      color: var(--text);
    }
    .player-ad {
      background: var(--panel-soft);
      border-radius: var(--radius-md);
      width: 100%;
      height: 300px;
    }
    .player-card {
      background: var(--panel);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      gap: 18px;
      min-height: 260px;
    }


    aside {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .ad-card {
      background: var(--panel);
      border-radius: var(--radius-lg);
      width: 100%;
      height: 250px;
    }

    .recommend {
      background: var(--panel);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow);
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(120px, 1fr));
      gap: 10px;
    }

    .carousel {
      background: rgba(255, 255, 255, 0.65);
      border-radius: var(--radius-lg);
      padding: 14px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .carousel-row {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: 12px;
      overflow: visible;
      padding-bottom: 0;
      scroll-snap-type: none;
    }

    .content-box {
      background: var(--panel);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow);
      line-height: 1.65;
      font-size: 16px;
    }

    .content-box h2 {
      margin-top: 0;
    }

    .content-box h3 {
      margin-bottom: 8px;
      margin-top: 20px;
    }

    .content-box table {
      width: 100%;
      border-collapse: collapse;
      margin: 16px 0 0;
      font-size: 14px;
      border: 1px solid rgba(15, 23, 42, 0.12);
      border-radius: 12px;
      overflow: hidden;
    }

    .content-box thead th {
      text-align: left;
      padding: 10px 12px;
      background: var(--panel-soft);
      color: var(--text);
      font-weight: 700;
      border-bottom: 1px solid rgba(15, 23, 42, 0.12);
      border-right: 1px solid rgba(15, 23, 42, 0.08);
    }

    .content-box thead th:last-child {
      border-right: none;
    }

    .content-box tbody td {
      padding: 10px 12px;
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
      border-right: 1px solid rgba(15, 23, 42, 0.08);
      color: var(--text);
      vertical-align: top;
    }

    .content-box tbody td:last-child {
      border-right: none;
    }

    .content-box tbody tr:nth-child(even) td {
      background: rgba(255, 255, 255, 0.6);
    }

    .content-box tbody tr:last-child td {
      border-bottom: none;
    }

    .content-categories {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .content-pill {
      background: var(--panel-soft);
      color: var(--text);
      font-weight: 600;
      font-size: 12px;
      letter-spacing: 0.4px;
      padding: 6px 12px;
      border-radius: 999px;
    }

    footer {
      margin-top: 24px;
      text-align: center;
      color: var(--muted);
    }

    :focus-visible {
      outline: 3px solid rgba(20, 184, 166, 0.7);
      outline-offset: 2px;
    }

    
    @media (max-width: 1100px) {
      .layout {
        grid-template-columns: 1fr;
      }

      nav.rail {
        display: none;
      }

      aside {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 780px) {
      .player-card {
        grid-template-columns: 1fr;
      }

      .player-header {
        grid-template-columns: 72px minmax(0, 1fr);
      }

      .player-thumb {
        width: 72px;
        height: 72px;
      }

      .player-desc {
        -webkit-line-clamp: 3;
      }
    }


    @media (max-width: 640px) {
      .recommend-grid {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: minmax(120px, 1fr);
        overflow-x: auto;
        padding-bottom: 6px;
      }

      .carousel-row {
        grid-auto-columns: minmax(120px, 1fr);
      }
    }


    @media (max-width: 520px) {
      .page {
        padding: 16px;
      }

      header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
      }

      .rail-button {
        width: 86px;
        height: 86px;
      }
    }