/* roulang page: index */
:root {
      --color-space: #120B29;
      --color-space-deep: #0C081F;
      --color-primary: #7C4DFF;
      --color-primary-light: #B16CEA;
      --color-star: #F0B35D;
      --color-surface: #F6F4FA;
      --color-card: #FFFFFF;
      --color-text-strong: #1B1633;
      --color-text-muted: #6E6690;
      --color-line: #EAE6F2;
      --color-online: #2FD0A6;
      --color-alert: #FB5E6B;
      --gradient-brand: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
      --shadow-card: 0 4px 20px rgba(18, 11, 41, 0.05);
      --shadow-card-hover: 0 12px 40px rgba(124, 77, 255, 0.14);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 14px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
      background: var(--color-surface);
      color: var(--color-text-strong);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color 0.2s; }
    button { font-family: inherit; cursor: pointer; }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    @media (min-width: 768px) {
      .container { padding: 0 32px; }
    }

    #siteHeader {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      height: 64px;
      background: transparent;
      transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
    }
    #siteHeader.scrolled {
      background: rgba(18, 11, 41, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .nav-link {
      position: relative;
      padding: 6px 4px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.72);
      transition: color 0.2s;
    }
    .nav-link:hover { color: #ffffff; }
    .nav-link.active { color: #ffffff; }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 3px;
      background: var(--gradient-brand);
      border-radius: 999px;
    }
    .nav-link:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.35);
      border-radius: 6px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--gradient-brand);
      color: #fff;
      padding: 12px 24px;
      border-radius: 14px;
      font-weight: 600;
      font-size: 15px;
      box-shadow: 0 4px 16px rgba(124, 77, 255, 0.3);
      transition: all 0.2s;
      border: none;
    }
    .btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124, 77, 255, 0.4); }
    .btn-primary:active { transform: scale(0.95); }
    .btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.3), 0 4px 16px rgba(124, 77, 255, 0.3); }

    .btn-secondary-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.3);
      padding: 12px 24px;
      border-radius: 14px;
      font-weight: 600;
      font-size: 15px;
      transition: all 0.2s;
    }
    .btn-secondary-dark:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-2px); }
    .btn-secondary-dark:active { transform: scale(0.95); }
    .btn-secondary-dark:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2); }

    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #F0B35D, #E69A3C);
      color: #1B1633;
      padding: 12px 24px;
      border-radius: 14px;
      font-weight: 700;
      font-size: 15px;
      box-shadow: 0 4px 16px rgba(240, 179, 93, 0.3);
      transition: all 0.2s;
      border: none;
    }
    .btn-gold:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240, 179, 93, 0.4); }
    .btn-gold:active { transform: scale(0.95); }
    .btn-gold:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(240, 179, 93, 0.3); }

    .badge-data {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 10px 20px;
      border-radius: 999px;
      border: 1px solid rgba(240, 179, 93, 0.5);
      background: rgba(255, 255, 255, 0.05);
    }
    .badge-data .badge-num {
      font-size: 1.55rem;
      font-weight: 800;
      color: var(--color-star);
      font-variant-numeric: tabular-nums;
      line-height: 1.2;
      letter-spacing: -0.02em;
    }
    .badge-data .badge-label {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.75);
      line-height: 1.3;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.25;
    }
    @media (min-width: 768px) {
      .section-title { font-size: 2.4rem; }
    }
    .section-subtitle {
      color: var(--color-text-muted);
      font-size: 1.06rem;
      line-height: 1.7;
    }
    .section-head-center {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 48px;
    }

    .card-guide {
      background: var(--color-card);
      border-radius: 24px;
      padding: 32px 28px;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-card);
      transition: all 0.3s;
      position: relative;
    }
    .card-guide:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .step-num {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: 0.06em;
      display: block;
    }
    .icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: var(--gradient-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      margin: 18px 0 20px;
      box-shadow: 0 6px 16px rgba(124, 77, 255, 0.25);
    }

    .reward-card {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s;
    }
    .reward-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .reward-icon {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      background: #F1EBFF;
      color: var(--color-primary);
    }
    .pill-tag {
      display: inline-flex;
      align-items: center;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 0.72rem;
      font-weight: 600;
      background: rgba(240, 179, 93, 0.14);
      color: #B77B2A;
      border: 1px solid rgba(240, 179, 93, 0.25);
    }

    .mission-track {
      width: 100%;
      height: 12px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      overflow: hidden;
      margin-bottom: 48px;
    }
    .mission-fill {
      height: 100%;
      background: linear-gradient(90deg, #7C4DFF, #B16CEA 60%, #F0B35D);
      border-radius: 999px;
      transition: width 0.6s ease;
      width: 25%;
    }
    .task-node { position: relative; }
    .task-dot {
      width: 18px;
      height: 18px;
      border-radius: 999px;
      background: #2C2050;
      border: 2px solid rgba(255, 255, 255, 0.18);
      flex-shrink: 0;
    }
    .task-node.done .task-dot {
      background: var(--color-online);
      border-color: var(--color-online);
    }
    .task-node.active .task-dot {
      background: var(--color-star);
      border-color: var(--color-star);
      box-shadow: 0 0 0 5px rgba(240, 179, 93, 0.18);
    }
    .task-state {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.65);
    }
    .task-node.done .task-state { background: rgba(47, 208, 166, 0.14); color: var(--color-online); }
    .task-node.active .task-state { background: rgba(240, 179, 93, 0.16); color: var(--color-star); }

    .badge-category {
      display: inline-flex;
      align-items: center;
      background: #F1EBFF;
      color: var(--color-primary);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      line-height: 1.4;
    }

    .shadow-card { box-shadow: var(--shadow-card); }
    .shadow-card-hover { box-shadow: var(--shadow-card-hover); }

    .btn-text {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-weight: 600;
      font-size: 0.95rem;
      transition: gap 0.2s, color 0.2s;
    }
    .btn-text:hover { gap: 12px; color: #5B34C9; }
    .btn-text:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.2); border-radius: 6px; }

    .faq-item {
      background: #fff;
      border-radius: 16px;
      padding: 24px;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-card);
      transition: all 0.3s;
    }
    .faq-item.open {
      border-left: 4px solid var(--color-primary);
      background: linear-gradient(135deg, #F7F4FF, #FFFFFF);
    }
    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 600;
      font-size: 17px;
      cursor: pointer;
      line-height: 1.5;
      color: var(--color-text-strong);
      background: none;
      border: none;
      width: 100%;
      text-align: left;
      padding: 0;
    }
    .faq-q .chevron { transition: transform 0.3s; color: var(--color-primary); flex-shrink: 0; }
    .faq-item.open .faq-q .chevron { transform: rotate(180deg); }
    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      color: var(--color-text-muted);
      font-size: 15px;
      line-height: 1.75;
    }
    .faq-item.open .faq-a { max-height: 400px; padding-top: 14px; }

    .site-footer {
      background: var(--color-space-deep);
      color: rgba(255, 255, 255, 0.7);
      font-size: 15px;
    }
    .site-footer a { color: rgba(255, 255, 255, 0.6); transition: color 0.2s; }
    .site-footer a:hover { color: #ffffff; }
    .footer-title { font-size: 0.85rem; font-weight: 700; color: rgba(255, 255, 255, 0.9); letter-spacing: 0.05em; text-transform: uppercase; }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.5;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to right, rgba(18, 11, 41, 0.95) 0%, rgba(18, 11, 41, 0.82) 45%, rgba(18, 11, 41, 0.45) 100%);
    }
    .hero-glow {
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(124, 77, 255, 0.35) 0%, transparent 70%);
      top: 20%;
      right: 5%;
      filter: blur(30px);
      pointer-events: none;
    }

    .empty-state {
      border: 2px dashed var(--color-line);
      border-radius: 16px;
      padding: 60px 24px;
      text-align: center;
      color: var(--color-text-muted);
      background: #FBF9FE;
    }
    .empty-state i { font-size: 32px; color: #C8BDE3; margin-bottom: 12px; }

    .line-clamp-2 {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card-hover:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
    .news-card-hover { transition: all 0.3s; }
    .news-card-hover img { transition: transform 0.5s; }
    .news-card-hover:hover img { transform: scale(1.04); }

    a:focus-visible, button:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.3);
      border-radius: 6px;
    }

    .search-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .search-panel.open { max-height: 72px; }

    @media (max-width: 767px) {
      .section-title { font-size: 1.7rem; }
      .section-head-center { margin-bottom: 32px; }
      .badge-data { padding: 8px 14px; gap: 8px; }
      .badge-data .badge-num { font-size: 1.25rem; }
      .badge-data .badge-label { font-size: 0.75rem; }
    }

/* roulang page: category1 */
:root {
            --color-space: #120B29;
            --color-primary: #7C4DFF;
            --color-primary-light: #B16CEA;
            --color-star: #F0B35D;
            --color-surface: #F6F4FA;
            --color-card: #FFFFFF;
            --color-text-strong: #1B1633;
            --color-text-muted: #6E6690;
            --color-line: #EAE6F2;
            --color-online: #2FD0A6;
            --color-alert: #FB5E6B;
            --shadow-card: 0 4px 20px rgba(18, 11, 41, 0.05);
            --shadow-card-hover: 0 12px 40px rgba(124, 77, 255, 0.14);
            --radius-card-lg: 24px;
            --radius-card: 16px;
            --radius-btn: 14px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            background: var(--color-surface);
            color: var(--color-text-strong);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            letter-spacing: 0;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding-top: 112px;
                padding-bottom: 112px;
            }
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(124, 77, 255, 0.08);
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .section-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-star);
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--color-text-strong);
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 36px;
            }
        }

        .section-desc {
            margin-top: 14px;
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 560px;
        }

        /* ==== Header ==== */
        .site-header {
            background: transparent;
            transition: background .4s ease, box-shadow .4s ease;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
        }

        .site-header.scrolled {
            background: rgba(18, 11, 41, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px rgba(18, 11, 41, 0.18);
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            padding: 6px 2px;
            position: relative;
            transition: color .2s ease;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 14px;
            transition: all .2s ease;
            box-shadow: 0 6px 20px rgba(124, 77, 255, 0.25);
            white-space: nowrap;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(124, 77, 255, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.96);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.4);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary);
            border: 1px solid rgba(124, 77, 255, 0.35);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 14px;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: #F1EBFF;
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.96);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.3);
        }

        .btn-secondary-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 14px;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-secondary-dark:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-secondary-dark:active {
            transform: scale(0.96);
        }

        .btn-secondary-dark:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 16px;
            transition: all .2s ease;
            box-shadow: 0 8px 24px rgba(18, 11, 41, 0.18);
            white-space: nowrap;
        }

        .btn-light:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 14px 36px rgba(18, 11, 41, 0.25);
        }

        .btn-light:active {
            transform: scale(0.96);
        }

        /* ==== Hero ==== */
        .hero-section {
            position: relative;
            min-height: 48vh;
            display: flex;
            align-items: center;
            padding-top: 80px;
            background-color: var(--color-space);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(18, 11, 41, 0.92) 0%, rgba(18, 11, 41, 0.68) 100%);
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
            margin-top: 18px;
        }

        @media (min-width: 640px) {
            .hero-title {
                font-size: 48px;
            }
        }

        @media (min-width: 1280px) {
            .hero-title {
                font-size: 56px;
            }
        }

        .hero-desc {
            margin-top: 18px;
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
        }

        @media (min-width: 768px) {
            .hero-desc {
                font-size: 18px;
            }
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-star);
            background: rgba(240, 179, 93, 0.1);
            border: 1px solid rgba(240, 179, 93, 0.3);
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(240, 179, 93, 0.45);
            border-radius: 999px;
            padding: 10px 22px;
            background: rgba(255, 255, 255, 0.05);
        }

        .data-number {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-star);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }

        .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
        }

        /* ==== 步骤卡片 ==== */
        .step-card {
            background: #fff;
            border-radius: 24px;
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-line);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 42px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 77, 255, 0.08);
            color: var(--color-primary);
            font-size: 22px;
            transition: all .3s ease;
        }

        .step-card:hover .step-icon {
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            color: #fff;
            box-shadow: 0 8px 20px rgba(124, 77, 255, 0.25);
        }

        /* ==== 模块卡片 ==== */
        .module-card {
            background: #fff;
            border-radius: 24px;
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-line);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .module-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .module-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            color: #fff;
            font-size: 24px;
            box-shadow: 0 8px 24px rgba(124, 77, 255, 0.25);
            margin-bottom: 22px;
        }

        .module-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: -0.01em;
        }

        .module-card p {
            margin-top: 12px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-muted);
        }

        /* ==== 任务进度区 ==== */
        .task-section {
            position: relative;
            background: var(--color-space);
            overflow: hidden;
        }

        .task-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(124, 77, 255, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .progress-track {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #7C4DFF 0%, #B16CEA 60%, #F0B35D 100%);
            transition: width 1s ease;
        }

        .task-node {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            position: relative;
        }

        .task-node::before {
            content: '';
            position: absolute;
            left: 17px;
            top: 38px;
            bottom: -28px;
            width: 2px;
            background: rgba(255, 255, 255, 0.12);
        }

        .task-node:last-child::before {
            display: none;
        }

        .task-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            z-index: 1;
        }

        .task-dot.done {
            background: var(--color-online);
            color: #fff;
            box-shadow: 0 0 0 4px rgba(47, 208, 166, 0.2);
        }

        .task-dot.doing {
            background: var(--color-star);
            color: #120B29;
            box-shadow: 0 0 0 4px rgba(240, 179, 93, 0.2);
        }

        .task-dot.locked {
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.45);
        }

        .status-pill {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-top: 6px;
        }

        .status-done {
            background: rgba(47, 208, 166, 0.15);
            color: #2FD0A6;
        }

        .status-doing {
            background: rgba(240, 179, 93, 0.15);
            color: #F0B35D;
        }

        .status-locked {
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.4);
        }

        /* ==== 资源卡 ==== */
        .resource-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-line);
            transition: all .3s ease;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .resource-card .res-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .resource-card .res-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .resource-card:hover .res-img img {
            transform: scale(1.04);
        }

        /* ==== FAQ ==== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-line);
            border-radius: 16px;
            padding: 22px 24px;
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .faq-item.active {
            border-left: 4px solid var(--color-primary);
            background: linear-gradient(135deg, #FFFFFF 0%, #F7F3FF 100%);
            box-shadow: 0 8px 24px rgba(124, 77, 255, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-strong);
            padding: 4px 0;
            transition: color .2s;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-chevron {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 77, 255, 0.08);
            color: var(--color-primary);
            font-size: 12px;
            transition: transform .3s ease, background .3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, opacity .3s ease;
            opacity: 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-muted);
        }

        .faq-item.active .faq-answer {
            max-height: 240px;
            opacity: 1;
            padding-top: 12px;
        }

        /* ==== CTA ==== */
        .cta-banner {
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            border-radius: 32px;
            padding: 56px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(124, 77, 255, 0.3);
        }

        @media (min-width: 768px) {
            .cta-banner {
                padding: 80px 60px;
            }
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 179, 93, 0.18);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .cta-banner h2 {
                font-size: 36px;
            }
        }

        .cta-banner p {
            margin-top: 14px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        /* ==== Footer ==== */
        .site-footer {
            background: #0C081F;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        /* ==== 移动端抽屉 ==== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: #120B29;
            z-index: 100;
            padding: 28px 24px;
            transition: right .35s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(18, 11, 41, 0.6);
            backdrop-filter: blur(4px);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
        }

        .drawer-backdrop.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ==== 搜索框 ==== */
        .search-bar {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, opacity .3s ease;
            opacity: 0;
            background: rgba(18, 11, 41, 0.95);
            backdrop-filter: blur(14px);
        }

        .search-bar.open {
            max-height: 80px;
            opacity: 1;
        }

        /* ==== 通用 ==== */
        .text-gradient {
            background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hover-lift {
            transition: all .3s ease;
        }

        .hover-lift:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .focus-ring:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.4);
        }

        @media (max-width: 1023px) {
            .hero-section {
                min-height: 50vh;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 34px;
            }
            .step-card {
                padding: 28px 22px;
            }
            .module-card {
                padding: 28px 22px;
            }
            .faq-item {
                padding: 18px 18px;
            }
        }

/* roulang page: article */
:root {
      --color-space: #120B29;
      --color-primary: #7C4DFF;
      --color-primary-light: #B16CEA;
      --color-star: #F0B35D;
      --color-surface: #F6F4FA;
      --color-card: #FFFFFF;
      --color-text-strong: #1B1633;
      --color-text-muted: #6E6690;
      --color-line: #EAE6F2;
      --color-online: #2FD0A6;
      --color-alert: #FB5E6B;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 14px;
      --shadow-card: 0 4px 20px rgba(18, 11, 41, 0.05);
      --shadow-hover: 0 12px 40px rgba(124, 77, 255, 0.14);
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
      background: #ffffff;
      color: #1B1633;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

    input, textarea, select {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .container-narrow {
      width: 100%;
      max-width: 720px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    @media (min-width: 768px) {
      .container {
        padding-left: 32px;
        padding-right: 32px;
      }
      .container-narrow {
        padding-left: 32px;
        padding-right: 32px;
      }
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      height: 64px;
      background: rgba(18, 11, 41, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background .3s ease, box-shadow .3s ease;
    }

    .site-header.scrolled {
      background: rgba(18, 11, 41, 0.97);
      box-shadow: 0 8px 30px rgba(18, 11, 41, 0.35);
    }

    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.78);
      padding: 6px 2px;
      transition: color .25s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: #ffffff;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
      transition: width .25s ease;
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: 14px;
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
      box-shadow: 0 6px 18px rgba(124, 77, 255, 0.3);
      transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
    }

    .btn-primary:hover {
      filter: brightness(1.08);
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(124, 77, 255, 0.4);
    }

    .btn-primary:active {
      transform: scale(0.96);
    }

    .btn-primary:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.3);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: 14px;
      font-size: 15px;
      font-weight: 600;
      color: #7C4DFF;
      background: transparent;
      border: 1.5px solid #7C4DFF;
      transition: background .2s ease, transform .2s ease;
    }

    .btn-secondary:hover {
      background: #F1EBFF;
      transform: translateY(-2px);
    }

    .btn-secondary:active {
      transform: scale(0.96);
    }

    /* ===== 页面主体 ===== */
    .page-main {
      padding-top: 64px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
    }

    .breadcrumb .separator {
      color: rgba(255, 255, 255, 0.35);
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, 0.7);
      transition: color .2s;
    }

    .breadcrumb a:hover {
      color: #F0B35D;
    }

    .breadcrumb .current {
      color: rgba(255, 255, 255, 0.9);
      font-weight: 500;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 320px;
    }

    /* ===== 文章头部区 ===== */
    .article-header-wrap {
      background: linear-gradient(180deg, #120B29 0%, #1E1440 100%);
      position: relative;
      overflow: hidden;
    }

    .article-header-wrap::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.35;
    }

    .article-header-inner {
      position: relative;
      z-index: 2;
      padding-top: 88px;
      padding-bottom: 56px;
    }

    .article-title {
      font-size: 30px;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #ffffff;
      margin-top: 18px;
      max-width: 860px;
    }

    @media (min-width: 768px) {
      .article-title {
        font-size: 42px;
      }
    }

    .badge-cat {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: #F0B35D;
      background: rgba(240, 179, 93, 0.12);
      border: 1px solid rgba(240, 179, 93, 0.45);
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
      margin-top: 18px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
    }

    .article-meta i {
      color: #B16CEA;
      margin-right: 6px;
    }

    /* ===== 特色图 ===== */
    .featured-figure {
      position: relative;
      margin-top: -48px;
      z-index: 3;
    }

    .featured-figure img {
      width: 100%;
      max-height: 460px;
      object-fit: cover;
      border-radius: 24px;
      box-shadow: 0 20px 60px rgba(18, 11, 41, 0.22);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    @media (max-width: 768px) {
      .featured-figure {
        margin-top: -28px;
      }
    }

    /* ===== 正文排版 ===== */
    .article-body {
      font-size: 17px;
      line-height: 1.9;
      color: #2B2440;
    }

    .article-body p {
      margin: 0 0 1.6em;
    }

    .article-body h2 {
      font-size: 24px;
      font-weight: 700;
      color: #1B1633;
      margin: 2em 0 0.8em;
      padding-left: 16px;
      border-left: 4px solid #7C4DFF;
      line-height: 1.35;
    }

    .article-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: #1B1633;
      margin: 1.8em 0 0.7em;
      line-height: 1.4;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 1.6em;
      padding-left: 24px;
    }

    .article-body li {
      margin-bottom: 0.5em;
    }

    .article-body blockquote {
      margin: 1.8em 0;
      padding: 16px 22px;
      background: #F1EBFF;
      border-left: 4px solid #F0B35D;
      border-radius: 0 14px 14px 0;
      color: #4A4363;
    }

    .article-body img {
      border-radius: 16px;
      box-shadow: var(--shadow-card);
      margin: 1.6em auto;
    }

    .article-body a {
      color: #7C4DFF;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .article-body a:hover {
      color: #5B2FD6;
    }

    .article-body code {
      background: #F1EBFF;
      color: #7C4DFF;
      padding: 2px 8px;
      border-radius: 8px;
      font-size: 0.9em;
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.6em 0;
    }

    .article-body th,
    .article-body td {
      border: 1px solid #EAE6F2;
      padding: 10px 14px;
      text-align: left;
    }

    .article-body th {
      background: #F6F4FA;
      font-weight: 600;
    }

    /* ===== 标签 ===== */
    .article-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      border-radius: 999px;
      background: #F6F4FA;
      border: 1px solid #EAE6F2;
      font-size: 13px;
      color: #6E6690;
      transition: all .2s;
    }

    .tag:hover {
      color: #7C4DFF;
      border-color: #7C4DFF;
      background: #F1EBFF;
    }

    /* ===== CTA 横幅 ===== */
    .cta-banner {
      background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
      border-radius: 32px;
      padding: 56px 24px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(240, 179, 93, 0.18);
      top: -120px;
      right: -80px;
      filter: blur(40px);
    }

    .cta-banner::after {
      content: '';
      position: absolute;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(240, 179, 93, 0.14);
      bottom: -100px;
      left: -60px;
      filter: blur(30px);
    }

    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 30px;
      border-radius: 14px;
      background: #F0B35D;
      color: #1B1633;
      font-size: 15px;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(18, 11, 41, 0.25);
      transition: transform .2s, box-shadow .2s, background .2s;
    }

    .btn-gold:hover {
      background: #F7C170;
      transform: translateY(-3px);
      box-shadow: 0 12px 30px rgba(18, 11, 41, 0.3);
    }

    .btn-gold:active {
      transform: scale(0.95);
    }

    .btn-gold:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(240, 179, 93, 0.4);
    }

    /* ===== 推荐卡片 ===== */
    .recommend-card {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid #EAE6F2;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: transform .3s ease, box-shadow .3s ease;
    }

    .recommend-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .recommend-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .recommend-card:hover img {
      transform: scale(1.05);
    }

    .recommend-card .card-body {
      padding: 20px;
    }

    .recommend-card .card-title {
      font-size: 17px;
      font-weight: 700;
      color: #1B1633;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .recommend-card .card-sub {
      margin-top: 10px;
      font-size: 13px;
      color: #6E6690;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* ===== 空态 ===== */
    .empty-state {
      border: 2px dashed #C9C0E0;
      border-radius: 24px;
      background: #F6F4FA;
      padding: 64px 24px;
      text-align: center;
      color: #6E6690;
    }

    .empty-state p {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .empty-state a {
      margin-top: 16px;
    }

    /* ===== 区块标题 ===== */
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }

    .section-head h2 {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #1B1633;
      line-height: 1.3;
      margin: 0;
    }

    @media (min-width: 768px) {
      .section-head h2 {
        font-size: 34px;
      }
    }

    .link-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: #7C4DFF;
      transition: gap .2s ease;
    }

    .link-more:hover {
      gap: 10px;
    }

    /* ===== 搜索 ===== */
    .search-box {
      display: none;
      position: absolute;
      right: 0;
      top: 52px;
      width: 280px;
      background: #ffffff;
      border-radius: 14px;
      box-shadow: 0 12px 40px rgba(18, 11, 41, 0.18);
      padding: 8px;
      z-index: 60;
    }

    .search-box.open {
      display: flex;
    }

    .search-box input {
      flex: 1;
      height: 40px;
      padding: 0 14px;
      border: 1px solid #EAE6F2;
      border-radius: 10px;
      font-size: 14px;
      outline: none;
      transition: border-color .2s, box-shadow .2s;
    }

    .search-box input:focus {
      border-color: #7C4DFF;
      box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.15);
    }

    .search-box button {
      width: 42px;
      height: 40px;
      margin-left: 8px;
      border-radius: 10px;
      background: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
      color: #ffffff;
      border: none;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: opacity .2s;
    }

    .search-box button:hover {
      opacity: 0.85;
    }

    /* ===== 移动端抽屉 ===== */
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: 300px;
      max-width: 88vw;
      background: #120B29;
      z-index: 70;
      padding: 28px 24px;
      transform: translateX(100%);
      transition: transform .3s ease;
      display: flex;
      flex-direction: column;
    }

    .mobile-drawer.open {
      transform: translateX(0);
    }

    .mobile-drawer nav a {
      display: block;
      padding: 14px 0;
      color: rgba(255, 255, 255, 0.8);
      font-size: 16px;
      font-weight: 500;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: color .2s, padding-left .2s;
    }

    .mobile-drawer nav a:hover,
    .mobile-drawer nav a.active {
      color: #F0B35D;
      padding-left: 8px;
    }

    .mobile-drawer .drawer-cta {
      margin-top: auto;
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(18, 11, 41, 0.5);
      z-index: 65;
      opacity: 0;
      visibility: hidden;
      transition: opacity .3s;
    }

    .drawer-overlay.open {
      opacity: 1;
      visibility: visible;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0C081F;
      color: rgba(255, 255, 255, 0.65);
    }

    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.02em;
    }

    .site-footer a {
      transition: color .2s ease;
    }

    /* ===== 响应式补充 ===== */
    @media (max-width: 1024px) {
      .breadcrumb .current {
        max-width: 260px;
      }
    }

    @media (max-width: 768px) {
      .article-header-inner {
        padding-top: 72px;
        padding-bottom: 40px;
      }
      .article-title {
        font-size: 27px;
      }
      .cta-banner {
        padding: 40px 20px;
        border-radius: 24px;
      }
      .article-meta {
        gap: 8px 16px;
      }
    }

    @media (max-width: 520px) {
      .search-box {
        width: 240px;
        right: -8px;
      }
      .article-meta {
        flex-direction: column;
        gap: 7px;
      }
      .article-body {
        font-size: 16px;
        line-height: 1.85;
      }
      .section-head h2 {
        font-size: 25px;
      }
      .btn-primary {
        padding: 9px 18px;
        font-size: 14px;
      }
      .cta-banner h2 {
        font-size: 26px;
      }
    }

/* roulang page: category2 */
:root {
    --color-space: #120B29;
    --color-primary: #7C4DFF;
    --color-primary-light: #B16CEA;
    --color-star: #F0B35D;
    --color-surface: #F6F4FA;
    --color-card: #FFFFFF;
    --color-text-strong: #1B1633;
    --color-text-muted: #6E6690;
    --color-line: #EAE6F2;
    --color-online: #2FD0A6;
    --color-alert: #FB5E6B;
    --color-footer: #0C081F;
    --gradient-brand: linear-gradient(135deg, #7C4DFF 0%, #B16CEA 100%);
    --radius-large: 24px;
    --radius-medium: 16px;
    --radius-small: 14px;
    --shadow-card: 0 4px 20px rgba(18,11,41,0.05);
    --shadow-hover: 0 12px 40px rgba(124,77,255,0.14);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
    background-color: var(--color-surface);
    color: var(--color-text-strong);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 3px solid rgba(124, 77, 255, 0.4);
    outline-offset: 2px;
    border-radius: 4px;
  }

  .container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container-custom {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  .section-padding {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  @media (min-width: 768px) {
    .section-padding {
      padding-top: 112px;
      padding-bottom: 112px;
    }
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    height: 64px;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    background: transparent;
  }

  .site-header.scrolled {
    background: rgba(18, 11, 41, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 20px rgba(12, 8, 31, 0.3);
  }

  .nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
    font-size: 15px;
    padding: 6px 2px;
    transition: color 0.2s ease;
  }

  .nav-link:hover {
    color: #fff;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
  }

  .nav-link:hover::after {
    transform: scaleX(0.4);
  }

  .nav-link.active {
    color: #fff;
  }

  .nav-link.active::after {
    transform: scaleX(1);
  }

  .btn-header {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 22px;
    border-radius: 999px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    box-shadow: 0 4px 14px rgba(124, 77, 255, 0.35);
  }

  .btn-header:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(124, 77, 255, 0.45);
  }

  .btn-header:active {
    transform: scale(0.95);
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 14px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    box-shadow: 0 4px 20px rgba(124, 77, 255, 0.3);
    border: none;
    cursor: pointer;
    line-height: 1.4;
  }

  .btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(124, 77, 255, 0.4);
  }

  .btn-primary:active {
    transform: scale(0.95);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 14px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    line-height: 1.4;
  }

  .btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: scale(0.95);
  }

  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 14px;
    background: linear-gradient(135deg, #F0B35D 0%, #FFD88A 100%);
    color: #1B1633;
    font-size: 15px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 6px 20px rgba(240, 179, 93, 0.3);
    border: none;
    cursor: pointer;
  }

  .btn-gold:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(240, 179, 93, 0.45);
  }

  .btn-gold:active {
    transform: scale(0.95);
  }

  /* Data badge */
  .data-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border-radius: 999px;
    border: 1px solid rgba(240, 179, 93, 0.5);
    background: rgba(18, 11, 41, 0.3);
    backdrop-filter: blur(4px);
  }

  .data-badge .data-num {
    font-size: 24px;
    line-height: 1.2;
    font-weight: 800;
    color: #F0B35D;
    font-variant-numeric: tabular-nums;
  }

  @media (min-width: 768px) {
    .data-badge .data-num {
      font-size: 30px;
    }
  }

  .data-badge .data-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
  }

  /* Card hover */
  .card-hover {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .card-hover .card-img-wrap {
    overflow: hidden;
    border-radius: 16px 16px 0 0;
  }

  .card-hover .card-img-wrap img {
    transition: transform 0.4s ease;
  }

  .card-hover:hover .card-img-wrap img {
    transform: scale(1.05);
  }

  /* Badge pill */
  .pill-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(124, 77, 255, 0.08);
    color: #7C4DFF;
    font-size: 12px;
    font-weight: 600;
  }

  .pill-gold {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(240, 179, 93, 0.1);
    border: 1px solid rgba(240, 179, 93, 0.4);
    color: #B8863A;
    font-size: 12px;
    font-weight: 600;
  }

  /* FAQ */
  .faq-item {
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--color-line);
    padding: 20px 24px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
  }

  .faq-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  .faq-item.active {
    border-color: rgba(124, 77, 255, 0.3);
    box-shadow: 0 8px 30px rgba(124, 77, 255, 0.08);
  }

  .faq-item.active::before {
    opacity: 1;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.7;
  }

  .faq-item.active .faq-answer {
    max-height: 240px;
  }

  .faq-chevron {
    transition: transform 0.3s ease;
  }

  .faq-item.active .faq-chevron {
    transform: rotate(180deg);
  }

  /* Footer */
  .site-footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.7);
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .site-footer a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s ease;
  }

  .site-footer a:hover {
    color: #fff;
  }

  /* Search panel */
  .search-panel {
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(18, 11, 41, 0.95);
    backdrop-filter: blur(12px);
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
    z-index: 49;
  }

  .search-panel.open {
    display: block;
  }

  .search-panel input {
    width: 100%;
    height: 48px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    padding: 0 18px;
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .search-panel input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.2);
  }

  .search-panel input::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }

  /* Mobile drawer */
  .mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #180E36;
    z-index: 100;
    transition: right 0.35s ease;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .mobile-drawer.open {
    right: 0;
  }

  .drawer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 12px;
    transition: all 0.2s ease;
  }

  .drawer-link:hover,
  .drawer-link.active {
    background: rgba(124, 77, 255, 0.15);
    color: #fff;
  }

  .drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  /* Hero */
  .hero-section {
    position: relative;
    background: var(--color-space);
    padding: 160px 0 80px;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.35;
  }

  .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(18, 11, 41, 0.92) 0%, rgba(18, 11, 41, 0.6) 50%, rgba(18, 11, 41, 0.3) 100%);
  }

  .hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 77, 255, 0.25) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
  }

  .hero-glow-2 {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 179, 93, 0.12) 0%, transparent 70%);
    bottom: 40px;
    left: 20%;
    pointer-events: none;
  }

  /* Section title */
  .section-title {
    font-size: 32px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text-strong);
  }

  @media (min-width: 768px) {
    .section-title {
      font-size: 40px;
    }
  }

  .title-decoration {
    display: inline-block;
    width: 48px;
    height: 4px;
    border-radius: 4px;
    background: var(--gradient-brand);
    margin-bottom: 16px;
  }

  /* Step node */
  .step-node {
    position: relative;
  }

  .step-node::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 12px;
    width: 2px;
    height: calc(100% - 24px);
    background: rgba(255, 255, 255, 0.15);
  }

  .step-node:last-child::before {
    display: none;
  }

  /* Number card */
  .num-card {
    background: #fff;
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .num-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .num-card .num {
    font-size: 36px;
    font-weight: 800;
    color: #7C4DFF;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }

  .num-card .label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 6px;
  }

  /* Timeline */
  .timeline-step {
    position: relative;
    padding-left: 36px;
  }

  .timeline-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-brand);
    border: 3px solid rgba(255, 255, 255, 0.2);
  }

  /* CTA banner */
  .cta-banner {
    background: var(--gradient-brand);
    border-radius: 32px;
    padding: 56px 40px;
    position: relative;
    overflow: hidden;
  }

  @media (min-width: 768px) {
    .cta-banner {
      padding: 72px 64px;
    }
  }

  .cta-banner::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(240, 179, 93, 0.2);
    top: -120px;
    right: -80px;
  }

  .cta-banner::after {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    bottom: -60px;
    left: 10%;
  }

  /* Deep section */
  .dark-section {
    background: var(--color-space);
    position: relative;
    overflow: hidden;
  }

  .dark-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 179, 93, 0.08) 0%, transparent 70%);
    bottom: -100px;
    right: 10%;
    pointer-events: none;
  }

  /* Progress */
  .progress-track {
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    overflow: hidden;
    position: relative;
  }

  .progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #F0B35D 0%, #FFD88A 100%);
    transition: width 1s ease;
    width: 68%;
  }

  /* Star dots */
  .star-dots {
    display: flex;
    gap: 6px;
    align-items: center;
  }

  .star-dots span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
  }

  .star-dots span:nth-child(2) {
    width: 6px;
    height: 6px;
    background: rgba(240, 179, 93, 0.7);
  }

  /* Line clamp */
  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* Empty state */
  .empty-state {
    border: 2px dashed var(--color-line);
    border-radius: 20px;
    padding: 48px 24px;
    text-align: center;
    color: var(--color-text-muted);
  }

  /* Phase status */
  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
  }

  .status-done {
    background: rgba(47, 208, 166, 0.12);
    color: #1FAF89;
    border: 1px solid rgba(47, 208, 166, 0.3);
  }

  .status-ongoing {
    background: rgba(240, 179, 93, 0.12);
    color: #C79028;
    border: 1px solid rgba(240, 179, 93, 0.3);
  }

  .status-locked {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Misc */
  .font-tabular {
    font-variant-numeric: tabular-nums;
  }

  img.rounded-image {
    border-radius: 20px;
    object-fit: cover;
  }

  a,
  button {
    -webkit-tap-highlight-color: transparent;
  }