/* roulang page: index */
:root {
      --primary: #5B21B6;
      --primary-light: #7C3AED;
      --secondary: #2563EB;
      --accent: #06B6D4;
      --accent-green: #10B981;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: rgba(226, 232, 240, 0.8);
      --border-dark: rgba(255, 255, 255, 0.1);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      --shadow-card: 0 10px 30px -5px rgba(37, 99, 235, 0.08);
      --shadow-dark: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
      --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: var(--font-stack);
      background-color: var(--bg-light);
      color: var(--text-main);
    }

    body {
      overflow-x: hidden;
      line-height: 1.6;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部双行导航 */
    .top-status-bar {
      background: #0B0F19;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-status-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #38BDF8;
    }
    .status-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-green);
    }

    .main-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 4px 12px rgba(91, 33, 182, 0.3);
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-muted);
      transition: color 0.2s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-pill);
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      border: none;
      text-align: center;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #FFFFFF;
      box-shadow: 0 4px 16px rgba(91, 33, 182, 0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(91, 33, 182, 0.45);
    }
    .btn-secondary {
      background: #FFFFFF;
      color: var(--primary);
      border: 1px solid rgba(91, 33, 182, 0.2);
    }
    .btn-secondary:hover {
      background: #F1F5F9;
      transform: translateY(-2px);
    }
    .btn-accent {
      background: linear-gradient(135deg, #06B6D4, #10B981);
      color: #FFFFFF;
      box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
    }

    /* 标签与徽章 */
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      background: rgba(91, 33, 182, 0.08);
      color: var(--primary);
      border: 1px solid rgba(91, 33, 182, 0.15);
    }
    .badge-accent {
      background: rgba(6, 182, 212, 0.12);
      color: #0284C7;
      border-color: rgba(6, 182, 212, 0.25);
    }

    /* 板块基础规范 */
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-white);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 36px;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-top: 14px;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Hero 板块：5:7 错位布局 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at top right, rgba(91, 33, 182, 0.08), transparent 50%),
                  radial-gradient(circle at bottom left, rgba(37, 99, 235, 0.05), transparent 50%),
                  #FFFFFF;
      padding: 80px 0 100px;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.25;
      margin: 18px 0 20px;
      color: #0F172A;
    }
    .hero-gradient-text {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-cta-box {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 40px;
    }
    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      padding-top: 28px;
      border-top: 1px solid var(--border-color);
    }
    .kpi-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      display: block;
    }
    .kpi-label {
      font-size: 13px;
      color: var(--text-light);
      margin-top: 4px;
    }
    .hero-stage {
      position: relative;
    }
    .hero-stage-img-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(91, 33, 182, 0.25);
      border: 2px solid rgba(255, 255, 255, 0.8);
      transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
      transition: transform 0.4s ease;
    }
    .hero-stage-img-wrap:hover {
      transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }
    .hero-floating-card {
      position: absolute;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      padding: 18px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .hero-floating-bottom {
      bottom: -24px;
      left: -20px;
    }
    .hero-floating-top {
      top: -16px;
      right: -10px;
    }

    /* 产线能力 (6卡片优势网格) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .feature-card:hover {
      transform: translateY(-6px);
      border-color: rgba(91, 33, 182, 0.3);
      box-shadow: 0 20px 35px -5px rgba(91, 33, 182, 0.12);
    }
    .feature-icon-box {
      width: 56px;
      height: 56px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, rgba(91, 33, 182, 0.1), rgba(37, 99, 235, 0.1));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 26px;
      margin-bottom: 22px;
    }
    .feature-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .feature-text {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 参数表 (硬核技术参数与对比) */
    .specs-table-wrapper {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .specs-table th, .specs-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .specs-table th {
      background: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
      font-size: 15px;
    }
    .specs-table tr:last-child td {
      border-bottom: none;
    }
    .specs-highlight {
      color: var(--primary);
      font-weight: 700;
    }

    /* 热门大作推荐 (3列卡片) */
    .games-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .game-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .game-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    }
    .game-cover-wrap {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .game-cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .game-card:hover .game-cover-wrap img {
      transform: scale(1.05);
    }
    .game-score-tag {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      color: #FBBF24;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 13px;
    }
    .game-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .game-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .game-meta {
      display: flex;
      gap: 8px;
      margin-bottom: 12px;
    }
    .game-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* 案例现场 / 使用场景展示 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scenario-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 380px;
      box-shadow: var(--shadow-card);
    }
    .scenario-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scenario-card:hover .scenario-img {
      transform: scale(1.04);
    }
    .scenario-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 10%, rgba(15, 23, 42, 0.3) 60%, transparent 100%);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: #FFFFFF;
    }
    .scenario-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .scenario-text {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.6;
    }

    /* 交付流程 / 极速上手步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .process-card {
      background: var(--bg-white);
      padding: 32px 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      position: relative;
    }
    .process-step-num {
      font-size: 38px;
      font-weight: 900;
      color: rgba(91, 33, 182, 0.15);
      line-height: 1;
      margin-bottom: 14px;
    }
    .process-card-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .process-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 暗色极客理念区 */
    .dark-engine-box {
      border: 1px solid var(--border-dark);
      background: var(--bg-dark-card);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-dark);
    }
    .dark-engine-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .code-console {
      background: #090D16;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      font-family: monospace;
      font-size: 13px;
      color: #38BDF8;
      line-height: 1.8;
    }
    .console-green {
      color: #34D399;
    }
    .console-yellow {
      color: #FBBF24;
    }

    /* 评价墙与口碑 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }
    .review-user-info {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .review-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .review-name {
      font-size: 16px;
      font-weight: 700;
    }
    .review-badge {
      font-size: 12px;
      color: var(--accent);
    }
    .review-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 特权体系与套餐对比 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
      max-width: 900px;
      margin: 0 auto;
    }
    .pricing-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      position: relative;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 20px 40px -10px rgba(91, 33, 182, 0.2);
    }
    .pricing-ribbon {
      position: absolute;
      top: -14px;
      right: 28px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
    }
    .price-value {
      font-size: 42px;
      font-weight: 900;
      color: var(--text-main);
      margin: 16px 0;
    }
    .pricing-list {
      list-style: none;
      margin: 24px 0 32px;
    }
    .pricing-item {
      font-size: 15px;
      color: var(--text-muted);
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pricing-item::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: 900;
    }

    /* 资讯列表 */
    .news-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }
    .news-date {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 22px 26px;
      font-size: 17px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      transition: transform 0.3s ease;
      color: var(--primary);
    }
    .faq-answer {
      padding: 0 26px 22px;
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      display: block;
    }

    /* 合作伙伴与认证墙 */
    .partners-row {
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 32px;
      opacity: 0.75;
      padding: 30px 0;
    }
    .partner-item {
      font-size: 18px;
      font-weight: 800;
      color: #64748B;
      letter-spacing: 0.5px;
    }

    /* 落地收官表单与下载 CTA */
    .cta-banner {
      background: linear-gradient(135deg, #4C1D95, #1E40AF);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: 0 25px 50px -12px rgba(76, 29, 149, 0.4);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }
    .cta-form-box {
      background: rgba(255, 255, 255, 0.98);
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-muted);
    }
    .form-input {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #CBD5E1;
      border-radius: 8px;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-input:focus {
      border-color: var(--primary);
    }

    /* 页脚 */
    .main-footer {
      background: #0B0F19;
      color: #94A3B8;
      padding: 64px 0 32px;
      font-size: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-col-title {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 移动端响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .features-grid, .games-grid, .scenario-grid, .news-list, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .dark-engine-grid, .cta-banner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-status-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .features-grid, .games-grid, .scenario-grid, .news-list, .reviews-grid, .pricing-grid, .process-timeline {
        grid-template-columns: 1fr;
      }
      .section {
        padding: 60px 0;
      }
      .hero-h1 {
        font-size: 32px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-kpis {
        grid-template-columns: 1fr;
      }
    }