/* roulang page: index */
:root {
            --bg-base: #0F1115;
            --bg-surface: #16191F;
            --bg-elevated: #1F242D;
            --bg-card: #181C23;
            --primary: #1B2A38;
            --primary-border: #2C3E50;
            --accent-gold: #C5A880;
            --accent-gold-hover: #D8BC94;
            --text-main: #F1F3F5;
            --text-muted: #9CA3AF;
            --text-sub: #6B7280;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(197, 168, 128, 0.4);
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.45);
        }
        * { box-sizing: border-box; }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
        a:hover { color: var(--accent-gold); }
        .site-header {
            background: rgba(15, 17, 21, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .top-tech-bar {
            background: #0B0D10;
            font-size: 0.78rem;
            color: var(--text-sub);
            padding: 0.35rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            letter-spacing: 0.03em;
        }
        .navbar-brand-custom {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .navbar-brand-custom i { color: var(--accent-gold); font-size: 1.25rem; }
        .nav-link-custom {
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            position: relative;
            font-weight: 500;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--accent-gold);
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background-color: var(--accent-gold);
        }
        .btn-gold {
            background-color: var(--accent-gold);
            color: #0F1115;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: 2px;
            border: 1px solid var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.25s ease;
        }
        .btn-gold:hover {
            background-color: var(--accent-gold-hover);
            color: #0F1115;
            border-color: var(--accent-gold-hover);
            transform: translateY(-1px);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .btn-outline-gold:hover {
            background: rgba(197, 168, 128, 0.1);
            color: var(--accent-gold-hover);
            border-color: var(--accent-gold-hover);
        }
        .section-block {
            padding: 4.5rem 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }
        .section-tag {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-gold);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 860px;
            margin-bottom: 2.5rem;
        }
        .custom-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 2px;
            padding: 1.75rem;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-subtle);
        }
        .custom-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }
        .progress-ring-box {
            position: relative;
            width: 140px;
            height: 140px;
            margin: 0 auto;
        }
        .progress-ring-box svg {
            transform: rotate(-90deg);
        }
        .progress-ring-circle-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 8;
        }
        .progress-ring-circle {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 8;
            stroke-dasharray: 377;
            stroke-dashoffset: 68;
            stroke-linecap: round;
        }
        .progress-ring-label {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .progress-ring-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.1;
        }
        .progress-ring-sub {
            font-size: 0.72rem;
            color: var(--text-sub);
        }
        .hero-tier-card {
            background: rgba(27, 42, 56, 0.3);
            border: 1px solid var(--border-light);
            padding: 1.25rem;
            border-radius: 2px;
            margin-bottom: 1rem;
        }
        .hero-tier-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-gold);
            display: flex;
            justify-content: space-between;
        }
        .badge-outline {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            border-radius: 2px;
            background: transparent;
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 0.75rem;
            padding: 0.25rem 0.6rem;
            border-radius: 2px;
        }
        .compare-box {
            border-radius: 2px;
            padding: 2rem;
            height: 100%;
        }
        .compare-box.bad {
            background: rgba(22, 25, 31, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-box.good {
            background: #151F28;
            border: 1px solid var(--accent-gold);
            box-shadow: 0 0 25px rgba(197, 168, 128, 0.08);
        }
        .timeline-track {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--border-light);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.35rem;
            top: 0.35rem;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-gold);
            border: 2px solid var(--bg-base);
        }
        .nav-pills-custom .nav-link {
            color: var(--text-muted);
            border-radius: 2px;
            border: 1px solid var(--border-light);
            background: var(--bg-surface);
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
        }
        .nav-pills-custom .nav-link.active {
            background: var(--accent-gold);
            color: #0F1115;
            font-weight: 600;
            border-color: var(--accent-gold);
        }
        .table-specs {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .table-specs th, .table-specs td {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid var(--border-light);
        }
        .table-specs th {
            background-color: var(--bg-elevated);
            color: var(--accent-gold);
            font-weight: 600;
        }
        .table-specs tr:hover td {
            background-color: rgba(255, 255, 255, 0.02);
        }
        .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            margin-bottom: 0.75rem;
            border-radius: 2px !important;
        }
        .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--bg-elevated);
            color: var(--accent-gold);
        }
        .accordion-button::after {
            filter: invert(1) grayscale(100%) brightness(120%);
        }
        .accordion-body {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            padding: 1.25rem 1.5rem;
            border-top: 1px solid var(--border-light);
        }
        .site-footer {
            background-color: #0B0D10;
            border-top: 1px solid var(--border-light);
            padding: 4rem 0 2rem;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .footer-title {
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.65rem;
        }
        .footer-links a {
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .form-control-custom {
            background-color: #12151B;
            border: 1px solid var(--border-light);
            color: var(--text-main);
            border-radius: 2px;
            padding: 0.75rem 1rem;
        }
        .form-control-custom:focus {
            background-color: #151922;
            border-color: var(--accent-gold);
            color: var(--text-main);
            box-shadow: none;
        }
        @media (max-width: 991.98px) {
            .section-block { padding: 3rem 0; }
            .section-title { font-size: 1.65rem; }
            .timeline-track { padding-left: 1.25rem; }
            .timeline-item::before { left: -1.6rem; }
        }

/* roulang page: category1 */
:root {
      --bg-base: #0F1115;
      --bg-surface: #16191F;
      --bg-elevated: #1F242D;
      --bg-card: #181C23;
      --primary: #1B2A38;
      --primary-border: #2C3E50;
      --accent-gold: #C5A880;
      --accent-gold-hover: #D8BC94;
      --text-main: #F1F3F5;
      --text-muted: #9CA3AF;
      --text-sub: #6B7280;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(197, 168, 128, 0.4);
      --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.45);
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.8;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
    a:hover { color: var(--accent-gold); }
    .site-header {
      background: rgba(15, 17, 21, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      position: sticky;
      top: 0;
      z-index: 1050;
    }
    .top-tech-bar {
      background-color: #0A0C0F;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      padding: 0.35rem 0;
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .navbar-brand-custom {
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--text-main);
      letter-spacing: 0.04em;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
    }
    .navbar-brand-custom i { color: var(--accent-gold); font-size: 1.25rem; }
    .nav-link-custom {
      color: var(--text-muted);
      font-size: 0.95rem;
      padding: 0.5rem 1rem;
      position: relative;
      font-weight: 500;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-gold);
    }
    .nav-link-custom.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 1rem;
      right: 1rem;
      height: 2px;
      background-color: var(--accent-gold);
    }
    .btn-gold {
      background-color: var(--accent-gold);
      color: #0F1115;
      font-weight: 600;
      padding: 0.55rem 1.4rem;
      border-radius: 2px;
      border: 1px solid var(--accent-gold);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.25s ease;
    }
    .btn-gold:hover {
      background-color: var(--accent-gold-hover);
      color: #0F1115;
      border-color: var(--accent-gold-hover);
      transform: translateY(-1px);
    }
    .btn-outline-gold {
      background: transparent;
      color: var(--accent-gold);
      border: 1px solid var(--accent-gold);
      font-weight: 600;
      padding: 0.55rem 1.4rem;
      border-radius: 2px;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .btn-outline-gold:hover {
      background: rgba(197, 168, 128, 0.1);
      color: var(--accent-gold-hover);
      border-color: var(--accent-gold-hover);
    }
    .section-block {
      padding: 4rem 0;
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }
    .section-tag {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--accent-gold);
      font-weight: 600;
      margin-bottom: 0.4rem;
      display: inline-block;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.03em;
      margin-bottom: 1rem;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      max-width: 860px;
      margin-bottom: 2rem;
    }
    .category-h1-header {
      background: linear-gradient(180deg, #13171E 0%, #0F1115 100%);
      border-bottom: 1px solid var(--border-light);
      padding: 3rem 0 2.5rem;
    }
    .breadcrumb-custom {
      font-size: 0.85rem;
      margin-bottom: 1rem;
      color: var(--text-sub);
    }
    .breadcrumb-custom a {
      color: var(--text-muted);
    }
    .breadcrumb-custom a:hover {
      color: var(--accent-gold);
    }
    .breadcrumb-custom span {
      color: var(--accent-gold);
    }
    .filter-panel {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: 2px;
      padding: 1.5rem;
      margin-bottom: 2.5rem;
    }
    .filter-row {
      display: flex;
      align-items: center;
      padding: 0.6rem 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      width: 100px;
      font-size: 0.85rem;
      color: var(--text-sub);
      font-weight: 600;
      flex-shrink: 0;
    }
    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .filter-btn {
      font-size: 0.85rem;
      padding: 0.25rem 0.85rem;
      border-radius: 2px;
      background: transparent;
      color: var(--text-muted);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-btn:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.05);
    }
    .filter-btn.active {
      background: rgba(197, 168, 128, 0.15);
      color: var(--accent-gold);
      border-color: var(--accent-gold);
      font-weight: 600;
    }
    .catalog-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 2px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-subtle);
    }
    .catalog-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-4px);
    }
    .media-thumb-box {
      position: relative;
      width: 100%;
      padding-top: 56.25%;
      background: #11141A;
      overflow: hidden;
    }
    .media-canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #18222C 0%, #0F1318 100%);
      color: var(--text-muted);
    }
    .badge-resolution {
      position: absolute;
      top: 0.85rem;
      left: 0.85rem;
      background: rgba(15, 17, 21, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFF;
      font-size: 0.7rem;
      padding: 0.2rem 0.5rem;
      border-radius: 2px;
      font-family: monospace;
      letter-spacing: 0.05em;
    }
    .badge-sub-type {
      position: absolute;
      top: 0.85rem;
      right: 0.85rem;
      background: rgba(197, 168, 128, 0.9);
      color: #0F1115;
      font-size: 0.7rem;
      padding: 0.2rem 0.5rem;
      border-radius: 2px;
      font-weight: 600;
    }
    .card-body-custom {
      padding: 1.35rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-item-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.6rem;
      line-height: 1.5;
    }
    .card-meta-list {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      font-size: 0.75rem;
      color: var(--text-sub);
      margin-bottom: 1rem;
    }
    .card-meta-list span i {
      color: var(--accent-gold);
      margin-right: 0.3rem;
    }
    .card-synopsis {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }
    .card-action-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 0.9rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .tech-specs-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.88rem;
    }
    .tech-specs-table th {
      background-color: var(--bg-surface);
      color: var(--accent-gold);
      padding: 1rem 1.25rem;
      border: 1px solid var(--border-light);
      font-weight: 600;
      text-align: left;
    }
    .tech-specs-table td {
      padding: 1rem 1.25rem;
      border: 1px solid var(--border-light);
      color: var(--text-muted);
      background-color: var(--bg-card);
    }
    .tech-specs-table tr:hover td {
      background-color: var(--bg-elevated);
      color: var(--text-main);
    }
    .rank-strip-item {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: 2px;
      padding: 1.25rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 1.25rem;
      transition: all 0.25s ease;
    }
    .rank-strip-item:hover {
      border-color: var(--border-hover);
      background-color: var(--bg-card);
      transform: translateX(4px);
    }
    .rank-number {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--accent-gold);
      width: 40px;
      text-align: center;
      flex-shrink: 0;
      font-family: monospace;
    }
    .rank-title {
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.3rem;
    }
    .rank-details {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      gap: 1rem;
    }
    .pagination-custom {
      display: flex;
      justify-content: center;
      gap: 0.4rem;
      margin-top: 2rem;
    }
    .page-item-custom {
      padding: 0.45rem 0.9rem;
      background-color: var(--bg-surface);
      border: 1px solid var(--border-light);
      color: var(--text-muted);
      font-size: 0.85rem;
      border-radius: 2px;
      cursor: pointer;
    }
    .page-item-custom:hover {
      border-color: var(--accent-gold);
      color: var(--accent-gold);
    }
    .page-item-custom.active {
      background-color: var(--accent-gold);
      color: #0F1115;
      font-weight: 600;
      border-color: var(--accent-gold);
    }
    .accordion-item-custom {
      background-color: var(--bg-card);
      border: 1px solid var(--border-light);
      margin-bottom: 0.75rem;
      border-radius: 2px;
    }
    .accordion-button-custom {
      background-color: var(--bg-card);
      color: var(--text-main);
      font-weight: 600;
      padding: 1.15rem 1.35rem;
      width: 100%;
      text-align: left;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .accordion-button-custom:not(.collapsed) {
      color: var(--accent-gold);
      border-bottom: 1px solid var(--border-light);
    }
    .accordion-body-custom {
      padding: 1.25rem 1.35rem;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.8;
    }
    .alert-ticker {
      background: linear-gradient(90deg, #1B2A38 0%, #16191F 100%);
      border: 1px solid var(--primary-border);
      border-left: 4px solid var(--accent-gold);
      padding: 1.25rem 1.75rem;
      border-radius: 2px;
    }
    .site-footer {
      background-color: #0B0D11;
      border-top: 1px solid var(--border-light);
      padding: 4rem 0 2rem;
      font-size: 0.88rem;
    }
    .footer-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      letter-spacing: 0.04em;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.6rem;
    }
    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--accent-gold);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 1.5rem;
      margin-top: 3rem;
      font-size: 0.8rem;
      color: var(--text-sub);
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}