/* roulang page: index */
:root {
      --bg-midnight: #0B0C10;
      --bg-deep: #12141D;
      --bg-card: #1A1D28;
      --bg-card-hover: #242838;
      --neon-purple: #8A2BE2;
      --neon-pink: #FF2E93;
      --neon-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-soft: rgba(255, 255, 255, 0.08);
      --shadow-glow: 0 8px 30px rgba(138, 43, 226, 0.25);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-midnight);
      color: var(--text-sub);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* 沉浸式透明毛玻璃导航 */
    .glass-nav {
      background: rgba(11, 12, 16, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-soft);
      transition: all 0.3s ease;
    }

    /* 渐变主按钮 */
    .btn-gradient {
      background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 100%);
      color: #ffffff;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 4px 18px rgba(255, 46, 147, 0.3);
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 46, 147, 0.5);
      filter: brightness(1.1);
    }

    /* 次级幽灵按钮 */
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-sub);
      transition: all 0.3s ease;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--text-main);
      border-color: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }

    /* 卡片悬浮发光效果 */
    .anime-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 16px;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .anime-card:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(138, 43, 226, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }

    /* 封面缩放容器 */
    .img-zoom-box {
      overflow: hidden;
      position: relative;
    }
    .img-zoom-box img {
      transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
      object-fit: cover;
      width: 100%;
      height: 100%;
    }
    .anime-card:hover .img-zoom-box img {
      transform: scale(1.06);
    }

    /* 霓虹文字高亮 */
    .text-glow {
      text-shadow: 0 0 16px rgba(0, 240, 255, 0.45);
    }

    /* 滚动条定制 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #0b0c10;
    }
    ::-webkit-scrollbar-thumb {
      background: #242838;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: var(--neon-purple);
    }

/* roulang page: category1 */
:root {
        --bg-midnight: #0B0C10;
        --bg-deep: #12141D;
        --bg-card: #1A1D28;
        --bg-card-hover: #242838;
        --neon-purple: #8A2BE2;
        --neon-pink: #FF2E93;
        --neon-cyan: #00F0FF;
        --text-main: #FFFFFF;
        --text-sub: #E2E8F0;
        --text-muted: #94A3B8;
        --border-soft: rgba(255, 255, 255, 0.08);
        --shadow-glow: 0 8px 30px rgba(138, 43, 226, 0.25);
    }
    body {
        background-color: var(--bg-midnight);
        color: var(--text-sub);
        font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        line-height: 1.7;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }
    .glass-nav {
        background: rgba(11, 12, 16, 0.72);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-soft);
        transition: all 0.3s ease;
    }
    .btn-gradient {
        background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 100%);
        color: #ffffff;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 18px rgba(255, 46, 147, 0.3);
    }
    .btn-gradient:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(255, 46, 147, 0.5);
        filter: brightness(1.1);
    }
    .btn-ghost {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-soft);
        color: var(--text-sub);
        transition: all 0.3s ease;
    }
    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.12);
        color: var(--text-main);
        border-color: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
    }
    .anime-card {
        background-color: var(--bg-card);
        border: 1px solid var(--border-soft);
        border-radius: 16px;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .anime-card:hover {
        background-color: var(--bg-card-hover);
        border-color: rgba(138, 43, 226, 0.4);
        transform: translateY(-4px);
        box-shadow: var(--shadow-glow);
    }
    .img-zoom-box {
        overflow: hidden;
        position: relative;
    }
    .img-zoom-box img {
        transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
        object-fit: cover;
        width: 100%;
        height: 100%;
    }
    .anime-card:hover .img-zoom-box img {
        transform: scale(1.06);
    }
    .filter-chip {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-soft);
        color: var(--text-muted);
        transition: all 0.2s ease;
    }
    .filter-chip:hover, .filter-chip.active {
        background: rgba(255, 46, 147, 0.15);
        border-color: var(--neon-pink);
        color: #FFFFFF;
    }
    .badge-rank-1 { background: linear-gradient(135deg, #FFD700, #FFA500); color: #000; }
    .badge-rank-2 { background: linear-gradient(135deg, #E0E0E0, #9E9E9E); color: #000; }
    .badge-rank-3 { background: linear-gradient(135deg, #CD7F32, #8B4513); color: #FFF; }
    .badge-rank-default { background: rgba(255, 255, 255, 0.1); color: #CBD5E1; }

/* roulang page: category2 */
:root {
            --bg-midnight: #0B0C10;
            --bg-deep: #12141D;
            --bg-card: #1A1D28;
            --bg-card-hover: #242838;
            --neon-purple: #8A2BE2;
            --neon-pink: #FF2E93;
            --neon-cyan: #00F0FF;
            --text-main: #FFFFFF;
            --text-sub: #E2E8F0;
            --text-muted: #94A3B8;
            --border-soft: rgba(255, 255, 255, 0.08);
            --shadow-glow: 0 8px 30px rgba(138, 43, 226, 0.25);
        }
        body {
            background-color: var(--bg-midnight);
            color: var(--text-sub);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .glass-nav {
            background: rgba(11, 12, 16, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }
        .btn-gradient {
            background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 100%);
            color: #ffffff;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 18px rgba(255, 46, 147, 0.3);
        }
        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 46, 147, 0.5);
            filter: brightness(1.1);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            color: var(--text-sub);
            transition: all 0.3s ease;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        .anime-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .anime-card:hover {
            background-color: var(--bg-card-hover);
            border-color: rgba(138, 43, 226, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .img-zoom-box {
            overflow: hidden;
            position: relative;
        }
        .img-zoom-box img {
            transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
            object-fit: cover;
            width: 100%;
            height: 100%;
        }
        .anime-card:hover .img-zoom-box img {
            transform: scale(1.06);
        }
        .text-glow {
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.45);
        }
        .filter-pill {
            transition: all 0.2s ease;
        }
        .filter-pill.active {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(255, 46, 147, 0.3));
            border-color: rgba(255, 46, 147, 0.6);
            color: #ffffff;
            font-weight: 600;
        }
        .custom-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 4px;
        }
        .custom-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .custom-scroll::-webkit-scrollbar-thumb:hover {
            background: var(--neon-pink);
        }

/* roulang page: category3 */
:root {
      --bg-midnight: #0B0C10;
      --bg-deep: #12141D;
      --bg-card: #1A1D28;
      --bg-card-hover: #242838;
      --neon-purple: #8A2BE2;
      --neon-pink: #FF2E93;
      --neon-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-soft: rgba(255, 255, 255, 0.08);
      --shadow-glow: 0 8px 30px rgba(138, 43, 226, 0.25);
    }
    body {
      background-color: var(--bg-midnight);
      color: var(--text-sub);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .glass-nav {
      background: rgba(11, 12, 16, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-soft);
      transition: all 0.3s ease;
    }
    .btn-gradient {
      background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 100%);
      color: #ffffff;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 4px 18px rgba(255, 46, 147, 0.3);
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 46, 147, 0.5);
      filter: brightness(1.1);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-sub);
      transition: all 0.3s ease;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--text-main);
      border-color: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }
    .anime-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 16px;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .anime-card:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(138, 43, 226, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .img-zoom-box {
      overflow: hidden;
      position: relative;
    }
    .img-zoom-box img {
      transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
      object-fit: cover;
      width: 100%;
      height: 100%;
    }
    .anime-card:hover .img-zoom-box img {
      transform: scale(1.06);
    }
    .text-glow {
      text-shadow: 0 0 16px rgba(0, 240, 255, 0.45);
    }
    .filter-pill.active {
      background: linear-gradient(135deg, rgba(138, 43, 226, 0.2) 0%, rgba(255, 46, 147, 0.2) 100%);
      border-color: #FF2E93;
      color: #FFFFFF;
      font-weight: 700;
    }

/* roulang page: category4 */
:root {
      --bg-midnight: #0B0C10;
      --bg-deep: #12141D;
      --bg-card: #1A1D28;
      --bg-card-hover: #242838;
      --neon-purple: #8A2BE2;
      --neon-pink: #FF2E93;
      --neon-cyan: #00F0FF;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-soft: rgba(255, 255, 255, 0.08);
      --shadow-glow: 0 8px 30px rgba(138, 43, 226, 0.25);
    }
    body {
      background-color: var(--bg-midnight);
      color: var(--text-sub);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .glass-nav {
      background: rgba(11, 12, 16, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-soft);
      transition: all 0.3s ease;
    }
    .btn-gradient {
      background: linear-gradient(135deg, var(--neon-purple) 0%, var(--neon-pink) 100%);
      color: #ffffff;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 4px 18px rgba(255, 46, 147, 0.3);
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 46, 147, 0.5);
      filter: brightness(1.1);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-soft);
      color: var(--text-sub);
      transition: all 0.3s ease;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--text-main);
      border-color: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }
    .anime-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 16px;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .anime-card:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(138, 43, 226, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .img-zoom-box {
      overflow: hidden;
      position: relative;
    }
    .img-zoom-box img {
      transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
      object-fit: cover;
      width: 100%;
      height: 100%;
    }
    .anime-card:hover .img-zoom-box img {
      transform: scale(1.06);
    }
    .text-glow {
      text-shadow: 0 0 16px rgba(0, 240, 255, 0.45);
    }
    .filter-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      transition: all 0.2s ease;
    }
    .filter-pill:hover, .filter-pill.active {
      background: linear-gradient(135deg, rgba(138, 43, 226, 0.25), rgba(255, 46, 147, 0.25));
      border-color: var(--neon-cyan);
      color: #FFFFFF;
    }
    .rank-number {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 800;
    }