/* roulang page: index */
:root {
      --bg-dark: #0A0D14;
      --bg-card: #121824;
      --bg-card-hover: #1A2332;
      --accent-cyan: #00F0FF;
      --accent-gold: #FFB800;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-cyan: rgba(0, 240, 255, 0.25);
      --border-dark: #1E293B;
      --glow-cyan: 0 0 25px rgba(0, 240, 255, 0.2);
    }

    body {
      background-color: var(--bg-dark);
      background-image: radial-gradient(ellipse at 50% 0%, #161F30 0%, #0A0D14 75%);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .clip-corner {
      clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    }

    .site-nav {
      background: rgba(10, 13, 20, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
    }
    .navbar-brand {
      color: var(--text-main);
      font-weight: 800;
      font-size: 1.25rem;
      letter-spacing: 0.5px;
    }
    .navbar-brand span {
      color: var(--accent-cyan);
      text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    }
    .nav-link {
      color: var(--text-muted) !important;
      font-weight: 500;
      padding: 0.5rem 1rem !important;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-cyan) !important;
    }
    .dropdown-menu-dark {
      background-color: var(--bg-card);
      border: 1px solid var(--border-cyan);
      box-shadow: var(--glow-cyan);
    }
    .dropdown-item {
      color: var(--text-muted);
      font-size: 0.9rem;
      padding: 0.5rem 1.25rem;
    }
    .dropdown-item:hover {
      background: var(--bg-card-hover);
      color: var(--accent-cyan);
    }

    .btn-tactical {
      background: var(--accent-cyan);
      color: #05070A;
      font-weight: 700;
      border: none;
      padding: 0.75rem 1.75rem;
      position: relative;
      transition: all 0.3s ease;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    }
    .btn-tactical:hover {
      background: #38BDF8;
      color: #000;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
      transform: translateY(-2px);
    }
    .btn-tactical-outline {
      background: transparent;
      color: var(--text-main);
      border: 1px solid var(--border-cyan);
      font-weight: 600;
      padding: 0.75rem 1.75rem;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    }
    .btn-tactical-outline:hover {
      color: var(--accent-cyan);
      border-color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.05);
      box-shadow: var(--glow-cyan);
    }

    .t-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-left: 3px solid var(--accent-cyan);
      padding: 1.75rem;
      transition: all 0.3s ease;
      height: 100%;
      position: relative;
    }
    .t-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-cyan);
      box-shadow: 0 8px 30px rgba(0, 240, 255, 0.12);
      transform: translateY(-4px);
    }

    .badge-gold {
      background: rgba(255, 184, 0, 0.15);
      color: var(--accent-gold);
      border: 1px solid var(--accent-gold);
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
    }

    .badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--accent-cyan);
      border: 1px solid var(--accent-cyan);
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
    }

    .hero-banner {
      padding: 6rem 0 4rem;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 1rem;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-cyan);
      color: var(--accent-cyan);
      font-size: 0.85rem;
      margin-bottom: 1.5rem;
    }

    .moba-progress {
      height: 6px;
      background: #1E293B;
      position: relative;
      margin: 0.75rem 0;
    }
    .moba-progress-bar {
      height: 100%;
      background: var(--accent-cyan);
      box-shadow: 0 0 10px var(--accent-cyan);
    }

    .hud-box {
      border: 1px solid var(--border-dark);
      background: rgba(18, 24, 36, 0.7);
      padding: 1.25rem;
      position: relative;
    }
    .hud-box::before {
      content: '';
      position: absolute;
      top: -1px;
      left: -1px;
      width: 8px;
      height: 8px;
      border-top: 2px solid var(--accent-cyan);
      border-left: 2px solid var(--accent-cyan);
    }

    .matrix-table th {
      background: #162032;
      color: var(--accent-cyan);
      font-weight: 600;
      border-color: var(--border-dark);
      padding: 1rem;
    }
    .matrix-table td {
      background: var(--bg-card);
      color: var(--text-muted);
      border-color: var(--border-dark);
      padding: 1rem;
      vertical-align: middle;
    }

    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 0.75rem;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 45px;
      height: 3px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }

    .footer-area {
      background: #06080D;
      border-top: 1px solid var(--border-dark);
      padding: 4rem 0 2rem;
      color: var(--text-dim);
    }

    @media (max-width: 768px) {
      .hero-banner { padding: 4rem 0 2.5rem; }
      .section-title { font-size: 1.5rem; }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0A0D14;
      --bg-card: #121824;
      --bg-card-hover: #1A2332;
      --accent-cyan: #00F0FF;
      --accent-gold: #FFB800;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --border-cyan: rgba(0, 240, 255, 0.25);
      --border-dark: #1E293B;
      --glow-cyan: 0 0 25px rgba(0, 240, 255, 0.2);
    }
    body {
      background-color: var(--bg-dark);
      background-image: radial-gradient(ellipse at 50% 0%, #161F30 0%, #0A0D14 75%);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      transition: all 0.25s ease;
    }
    .site-nav {
      background: rgba(10, 13, 20, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
    }
    .navbar-brand {
      color: var(--text-main);
      font-weight: 800;
      font-size: 1.25rem;
      letter-spacing: 0.5px;
    }
    .navbar-brand span {
      color: var(--accent-cyan);
      text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    }
    .nav-link {
      color: var(--text-muted) !important;
      font-weight: 500;
      padding: 0.5rem 1rem !important;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-cyan) !important;
    }
    .btn-tactical {
      background: var(--accent-cyan);
      color: #05070A;
      font-weight: 700;
      border: none;
      padding: 0.75rem 1.75rem;
      position: relative;
      transition: all 0.3s ease;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
      display: inline-block;
    }
    .btn-tactical:hover {
      background: #38BDF8;
      color: #000;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
      transform: translateY(-2px);
    }
    .btn-tactical-outline {
      background: transparent;
      color: var(--text-main);
      border: 1px solid var(--border-cyan);
      font-weight: 600;
      padding: 0.75rem 1.75rem;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
      display: inline-block;
    }
    .btn-tactical-outline:hover {
      color: var(--accent-cyan);
      border-color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.05);
      box-shadow: var(--glow-cyan);
    }
    .t-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-left: 3px solid var(--accent-cyan);
      padding: 1.75rem;
      transition: all 0.3s ease;
      height: 100%;
      position: relative;
    }
    .t-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-cyan);
      box-shadow: 0 8px 30px rgba(0, 240, 255, 0.12);
      transform: translateY(-4px);
    }
    .badge-gold {
      background: rgba(255, 184, 0, 0.15);
      color: var(--accent-gold);
      border: 1px solid var(--accent-gold);
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
    }
    .badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--accent-cyan);
      border: 1px solid var(--accent-cyan);
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
    }
    .hero-banner {
      padding: 7rem 0 3.5rem;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 1rem;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-cyan);
      color: var(--accent-cyan);
      font-size: 0.85rem;
      margin-bottom: 1.25rem;
    }
    .moba-progress {
      height: 6px;
      background: #1E293B;
      position: relative;
      margin: 0.75rem 0;
    }
    .moba-progress-bar {
      height: 100%;
      background: var(--accent-cyan);
      box-shadow: 0 0 10px var(--accent-cyan);
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 0.75rem;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 45px;
      height: 3px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .filter-chip {
      background: #162030;
      color: var(--text-muted);
      border: 1px solid var(--border-dark);
      padding: 0.4rem 1rem;
      font-size: 0.85rem;
      cursor: pointer;
      display: inline-block;
      transition: all 0.2s ease;
    }
    .filter-chip.active, .filter-chip:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
    }
    .time-slot-btn {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
      color: var(--text-main);
      padding: 0.6rem 0.8rem;
      font-size: 0.85rem;
      text-align: center;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .time-slot-btn:hover, .time-slot-btn.active {
      border-color: var(--accent-cyan);
      background: rgba(0, 240, 255, 0.12);
      color: var(--accent-cyan);
    }
    .spec-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
    }
    .spec-table th {
      background: #162234;
      color: var(--accent-cyan);
      font-weight: 700;
      padding: 1rem;
      border-bottom: 2px solid var(--border-cyan);
      font-size: 0.9rem;
    }
    .spec-table td {
      background: #111827;
      color: var(--text-muted);
      padding: 1rem;
      border-bottom: 1px solid var(--border-dark);
      font-size: 0.9rem;
    }
    .spec-table tr:hover td {
      background: #182235;
      color: var(--text-main);
    }
    .step-item {
      position: relative;
      padding-left: 3rem;
      margin-bottom: 2.5rem;
    }
    .step-item::before {
      content: "";
      position: absolute;
      left: 1.15rem;
      top: 2rem;
      bottom: -2.5rem;
      width: 2px;
      background: var(--border-dark);
    }
    .step-item:last-child::before {
      display: none;
    }
    .step-badge {
      position: absolute;
      left: 0;
      top: 0;
      width: 2.4rem;
      height: 2.4rem;
      border-radius: 50%;
      background: #131E2E;
      border: 2px solid var(--accent-cyan);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    }
    .accordion-tactical .accordion-item {
      background-color: var(--bg-card);
      border: 1px solid var(--border-dark);
      margin-bottom: 1rem;
      border-radius: 0;
    }
    .accordion-tactical .accordion-button {
      background-color: var(--bg-card);
      color: var(--text-main);
      font-weight: 600;
      box-shadow: none;
      border-left: 3px solid transparent;
      padding: 1.25rem 1.5rem;
    }
    .accordion-tactical .accordion-button:not(.collapsed) {
      color: var(--accent-cyan);
      background-color: var(--bg-card-hover);
      border-left-color: var(--accent-cyan);
      box-shadow: inset 0 -1px 0 var(--border-dark);
    }
    .accordion-tactical .accordion-button::after {
      filter: invert(1) brightness(0.8);
    }
    .accordion-tactical .accordion-body {
      color: var(--text-muted);
      background-color: #0E1420;
      padding: 1.25rem 1.5rem;
      line-height: 1.8;
    }
    .tactical-pagination .page-link {
      background: var(--bg-card);
      border-color: var(--border-dark);
      color: var(--text-muted);
      padding: 0.5rem 0.9rem;
      font-size: 0.9rem;
    }
    .tactical-pagination .page-link:hover,
    .tactical-pagination .page-item.active .page-link {
      background: rgba(0, 240, 255, 0.15);
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
    }
    .footer-area {
      background: #06080D;
      border-top: 1px solid var(--border-dark);
      padding: 4rem 0 2rem;
      color: var(--text-dim);
    }
    @media (max-width: 768px) {
      .hero-banner { padding: 5rem 0 2.5rem; }
      .section-title { font-size: 1.5rem; }
    }

/* roulang page: category2 */
:root {
        --bg-dark: #0A0D14;
        --bg-card: #121824;
        --bg-card-hover: #1A2332;
        --accent-cyan: #00F0FF;
        --accent-gold: #FFB800;
        --text-main: #F8FAFC;
        --text-muted: #94A3B8;
        --text-dim: #64748B;
        --border-cyan: rgba(0, 240, 255, 0.25);
        --border-dark: #1E293B;
        --glow-cyan: 0 0 25px rgba(0, 240, 255, 0.2);
    }
    body {
        background-color: var(--bg-dark);
        background-image: radial-gradient(ellipse at 50% 0%, #161F30 0%, #0A0D14 75%);
        color: var(--text-main);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.75;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        transition: all 0.25s ease;
    }
    .site-nav {
        background: rgba(10, 13, 20, 0.88);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border-cyan);
    }
    .navbar-brand {
        color: var(--text-main);
        font-weight: 800;
        font-size: 1.25rem;
        letter-spacing: 0.5px;
    }
    .navbar-brand span {
        color: var(--accent-cyan);
        text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    }
    .nav-link {
        color: var(--text-muted) !important;
        font-weight: 500;
        padding: 0.5rem 1rem !important;
    }
    .nav-link:hover, .nav-link.active {
        color: var(--accent-cyan) !important;
    }
    .btn-tactical {
        background: var(--accent-cyan);
        color: #05070A;
        font-weight: 700;
        border: none;
        padding: 0.75rem 1.75rem;
        position: relative;
        transition: all 0.3s ease;
        clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    }
    .btn-tactical:hover {
        background: #38BDF8;
        color: #000;
        box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        transform: translateY(-2px);
    }
    .btn-tactical-outline {
        background: transparent;
        color: var(--text-main);
        border: 1px solid var(--border-cyan);
        font-weight: 600;
        padding: 0.75rem 1.75rem;
        clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    }
    .btn-tactical-outline:hover {
        color: var(--accent-cyan);
        border-color: var(--accent-cyan);
        background: rgba(0, 240, 255, 0.05);
        box-shadow: var(--glow-cyan);
    }
    .t-card {
        background: var(--bg-card);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-left: 3px solid var(--accent-cyan);
        padding: 1.75rem;
        transition: all 0.3s ease;
        height: 100%;
        position: relative;
    }
    .t-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-cyan);
        box-shadow: 0 8px 30px rgba(0, 240, 255, 0.12);
        transform: translateY(-4px);
    }
    .badge-gold {
        background: rgba(255, 184, 0, 0.15);
        color: var(--accent-gold);
        border: 1px solid var(--accent-gold);
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    .badge-cyan {
        background: rgba(0, 240, 255, 0.12);
        color: var(--accent-cyan);
        border: 1px solid var(--accent-cyan);
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    .moba-progress {
        height: 6px;
        background: #1E293B;
        position: relative;
        margin: 0.75rem 0;
    }
    .moba-progress-bar {
        height: 100%;
        background: var(--accent-cyan);
        box-shadow: 0 0 10px var(--accent-cyan);
    }
    .section-title {
        font-size: 1.85rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 0.75rem;
        position: relative;
        display: inline-block;
    }
    .section-title::after {
        content: "";
        position: absolute;
        bottom: -8px;
        left: 0;
        width: 45px;
        height: 3px;
        background: var(--accent-cyan);
        box-shadow: 0 0 8px var(--accent-cyan);
    }
    .footer-area {
        background: #06080D;
        border-top: 1px solid var(--border-dark);
        padding: 4rem 0 2rem;
        color: var(--text-dim);
    }
    .filter-panel {
        background: rgba(18, 24, 36, 0.85);
        border: 1px solid var(--border-dark);
        padding: 1.25rem 1.5rem;
        backdrop-filter: blur(8px);
    }
    .filter-chip {
        display: inline-block;
        font-size: 0.85rem;
        color: var(--text-muted);
        padding: 0.35rem 0.85rem;
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.02);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .filter-chip.active, .filter-chip:hover {
        color: var(--accent-cyan);
        border-color: var(--accent-cyan);
        background: rgba(0, 240, 255, 0.08);
    }
    .spec-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
    }
    .spec-table th {
        background: #161F30;
        color: var(--accent-cyan);
        padding: 1rem 1.25rem;
        border-bottom: 2px solid var(--border-cyan);
        font-size: 0.95rem;
        font-weight: 700;
    }
    .spec-table td {
        padding: 1rem 1.25rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        color: var(--text-muted);
        font-size: 0.9rem;
    }
    .spec-table tr:hover td {
        background: rgba(0, 240, 255, 0.03);
        color: var(--text-main);
    }
    .step-box {
        position: relative;
        padding-left: 2rem;
        border-left: 2px dashed rgba(0, 240, 255, 0.3);
    }
    .step-circle {
        position: absolute;
        left: -11px;
        top: 0;
        width: 20px;
        height: 20px;
        background: var(--bg-dark);
        border: 2px solid var(--accent-cyan);
        border-radius: 50%;
    }
    .accordion-tactical .accordion-item {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        margin-bottom: 0.85rem;
    }
    .accordion-tactical .accordion-button {
        background: var(--bg-card);
        color: var(--text-main);
        font-weight: 600;
        box-shadow: none;
        border-left: 3px solid transparent;
        padding: 1.2rem 1.5rem;
    }
    .accordion-tactical .accordion-button:not(.collapsed) {
        background: var(--bg-card-hover);
        color: var(--accent-cyan);
        border-left-color: var(--accent-cyan);
    }
    .accordion-tactical .accordion-button::after {
        filter: invert(1);
    }
    .accordion-tactical .accordion-body {
        color: var(--text-muted);
        border-top: 1px solid var(--border-dark);
        padding: 1.25rem 1.5rem;
        font-size: 0.95rem;
    }
    .tactical-page-btn {
        background: #121824;
        color: var(--text-muted);
        border: 1px solid var(--border-dark);
        padding: 0.4rem 0.9rem;
        font-size: 0.85rem;
    }
    .tactical-page-btn.active, .tactical-page-btn:hover {
        border-color: var(--accent-cyan);
        color: var(--accent-cyan);
        background: rgba(0, 240, 255, 0.08);
    }
    @media (max-width: 768px) {
        .section-title { font-size: 1.5rem; }
        .spec-table th, .spec-table td { padding: 0.75rem 0.5rem; font-size: 0.8rem; }
    }

/* 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}