/* roulang page: index */
:root {
      --primary-gold: #F5A623;
      --primary-purple: #6C5CE7;
      --accent-green: #00E676;
      --bg-dark-base: #0F111A;
      --bg-dark-alt: #1A1D2E;
      --bg-deep-carbon: #090A0F;
      --card-bg: rgba(26, 29, 46, 0.7);
      --card-border: rgba(245, 166, 35, 0.15);
      --card-border-hover: rgba(108, 92, 231, 0.6);
      --text-white: #FFFFFF;
      --text-light: #E2E8F0;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
      --transition-fast: all 0.25s ease-in-out;
    }

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

    body {
      background-color: var(--bg-dark-base);
      color: var(--text-light);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary-gold);
      text-decoration: none;
      transition: var(--transition-fast);
    }
    a:hover, a:focus {
      color: #ffd079;
    }

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

    .grid-container {
      max-width: 1240px;
    }

    /* 顶层微型状态条 */
    .top-micro-bar {
      background: var(--bg-deep-carbon);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.8rem;
      color: var(--text-dim);
      padding: 6px 0;
    }
    .top-micro-bar .pulse-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-green);
      box-shadow: 0 0 8px var(--accent-green);
      margin-right: 6px;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    /* 主品牌导航条 */
    .main-site-header {
      background: rgba(15, 17, 26, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(245, 166, 35, 0.12);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: var(--text-white);
    }
    .brand-logo i {
      color: var(--primary-gold);
      font-size: 1.6rem;
    }
    .brand-logo:hover {
      color: var(--primary-gold);
    }
    .desktop-nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 22px;
      margin: 0;
    }
    .desktop-nav-menu a {
      color: var(--text-light);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 6px 4px;
      position: relative;
    }
    .desktop-nav-menu a:hover,
    .desktop-nav-menu a.active {
      color: var(--primary-gold);
    }
    .desktop-nav-menu a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-gold);
      border-radius: 2px;
    }
    .btn-nav-trial {
      background: linear-gradient(135deg, var(--primary-gold) 0%, #E67E22 100%);
      color: #000 !important;
      font-weight: 700;
      padding: 8px 18px !important;
      border-radius: 30px;
      box-shadow: 0 4px 15px rgba(245, 166, 35, 0.3);
    }
    .btn-nav-trial:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(245, 166, 35, 0.5);
      color: #000 !important;
    }

    /* 模块基础 */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-dark-alt);
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .section-carbon {
      background-color: var(--bg-deep-carbon);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header .badge-tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: 20px;
      background: rgba(108, 92, 231, 0.2);
      color: #A29BFE;
      border: 1px solid rgba(108, 92, 231, 0.35);
      margin-bottom: 12px;
    }
    .section-header h2 {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .section-header p {
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }

    /* 按钮规范 */
    .btn-solid-green {
      display: inline-block;
      background: var(--accent-green);
      color: #072B19;
      font-weight: 700;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      box-shadow: 0 4px 20px rgba(0, 230, 118, 0.35);
      border: 1px solid transparent;
      cursor: pointer;
    }
    .btn-solid-green:hover {
      background: #26f089;
      color: #072B19;
      transform: translateY(-2px);
      box-shadow: 0 6px 26px rgba(0, 230, 118, 0.5);
    }
    .btn-outline-glow {
      display: inline-block;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(245, 166, 35, 0.6);
      color: var(--primary-gold);
      font-weight: 600;
      padding: 13px 26px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      cursor: pointer;
    }
    .btn-outline-glow:hover {
      background: rgba(245, 166, 35, 0.12);
      border-color: var(--primary-gold);
      color: #FFF;
      transform: translateY(-2px);
    }

    /* 1. Hero 板块（创作者与数据驾驶舱混合布局） */
    .hero-section {
      padding: 70px 0 60px 0;
      background: radial-gradient(circle at 80% 20%, rgba(108, 92, 231, 0.18) 0%, transparent 60%),
                  radial-gradient(circle at 10% 80%, rgba(245, 166, 35, 0.12) 0%, transparent 50%),
                  var(--bg-dark-base);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .hero-h1 {
      font-size: 2.85rem;
      line-height: 1.22;
      font-weight: 850;
      color: var(--text-white);
      margin-bottom: 20px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, #FFF 20%, var(--primary-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.05rem;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 30px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-bottom: 35px;
    }
    /* 创作者/工程师技术认证栏 */
    .architect-badge-bar {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 18px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      max-width: 480px;
    }
    .architect-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      border: 2px solid var(--primary-gold);
      object-fit: cover;
    }
    .architect-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-white);
      margin: 0;
    }
    .architect-info p {
      font-size: 0.78rem;
      color: var(--text-dim);
      margin: 0;
    }

    /* Hero 右侧数据控制面板拟真图 */
    .dashboard-mockup {
      background: rgba(15, 17, 26, 0.85);
      border: 1px solid rgba(108, 92, 231, 0.4);
      border-radius: var(--radius-md);
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8);
      overflow: hidden;
      position: relative;
    }
    .mockup-header {
      background: rgba(9, 10, 15, 0.9);
      padding: 10px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .mac-dots {
      display: flex;
      gap: 6px;
    }
    .mac-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .mockup-body {
      padding: 22px;
    }
    .kpi-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 18px;
    }
    .kpi-box {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 14px;
      border-radius: var(--radius-sm);
    }
    .kpi-label {
      font-size: 0.78rem;
      color: var(--text-dim);
      text-transform: uppercase;
    }
    .kpi-value {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary-gold);
      margin-top: 4px;
    }
    .mockup-banner-wrap {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
    }
    .mockup-banner-wrap img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    /* 2. Hero 下方独立场景 Pill 过滤条 */
    .pill-filter-bar {
      background: rgba(9, 10, 15, 0.95);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 14px 0;
      position: sticky;
      top: 72px;
      z-index: 990;
      backdrop-filter: blur(10px);
    }
    .pill-scroll-wrapper {
      display: flex;
      align-items: center;
      gap: 12px;
      overflow-x: auto;
      white-space: nowrap;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .pill-scroll-wrapper::-webkit-scrollbar {
      display: none;
    }
    .pill-chip {
      padding: 8px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 40px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.09);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      transition: var(--transition-fast);
    }
    .pill-chip:hover, .pill-chip.active {
      background: rgba(245, 166, 35, 0.15);
      color: var(--primary-gold);
      border-color: var(--primary-gold);
    }

    /* 通用卡片容器 */
    .ops-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-fast);
      height: 100%;
      position: relative;
    }
    .ops-card:hover {
      transform: translateY(-4px);
      border-color: var(--card-border-hover);
      box-shadow: 0 15px 35px -10px rgba(108, 92, 231, 0.25);
    }

    /* 3. 卖点三连 */
    .feature-triad-card .icon-box {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      background: rgba(245, 166, 35, 0.12);
      color: var(--primary-gold);
      border: 1px solid rgba(245, 166, 35, 0.3);
    }
    .feature-triad-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 12px;
    }
    .feature-triad-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 4. 全链路产品架构介绍区 */
    .arch-tech-param-card {
      background: rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }
    .param-item {
      display: flex;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.9rem;
    }
    .param-item:last-child {
      border-bottom: none;
    }
    .param-name {
      color: var(--text-dim);
    }
    .param-val {
      color: var(--accent-green);
      font-weight: 600;
    }

    /* 5. 核心优势六网格 */
    .matrix-icon-box {
      font-size: 1.8rem;
      color: #A29BFE;
      margin-bottom: 16px;
    }
    .matrix-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
    }
    .matrix-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 热门解决方案三卡片 */
    .solution-card-img {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 20px;
      height: 180px;
    }
    .solution-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .ops-card:hover .solution-card-img img {
      transform: scale(1.04);
    }
    .feature-tag-list {
      list-style: none;
      margin: 16px 0 22px 0;
      padding: 0;
    }
    .feature-tag-list li {
      font-size: 0.88rem;
      color: var(--text-light);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-tag-list li i {
      color: var(--accent-green);
      font-size: 0.8rem;
    }

    /* 7. 深色对比架构与服务理念 */
    .deep-concept-wrap {
      position: relative;
      background: radial-gradient(circle at center, rgba(108, 92, 231, 0.15) 0%, rgba(9, 10, 15, 0.95) 70%),
                  url('/assets/images/aa0db9509261a126.png') center/cover no-repeat;
      padding: 60px 40px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* 8. 场景演示图文交错 */
    .timeline-milestone {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      margin-bottom: 26px;
    }
    .timeline-index {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-gold);
      color: #000;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    /* 9. 关键数据统计条 */
    .counter-strip {
      background: linear-gradient(90deg, #131726 0%, #1c2137 50%, #131726 100%);
      border-top: 1px solid rgba(245, 166, 35, 0.2);
      border-bottom: 1px solid rgba(245, 166, 35, 0.2);
      padding: 45px 0;
    }
    .stat-metric-card {
      text-align: center;
      padding: 10px;
    }
    .stat-metric-num {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--text-white);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-metric-num span {
      color: var(--primary-gold);
      font-size: 1.8rem;
    }
    .stat-metric-label {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    /* 10. 评价墙与社会认同 */
    .testimonial-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid rgba(255, 255, 255, 0.2);
    }
    .star-rating {
      color: #F1C40F;
      font-size: 0.85rem;
      margin-bottom: 12px;
    }
    .client-quote {
      font-size: 0.95rem;
      color: var(--text-light);
      font-style: italic;
      margin-bottom: 18px;
      line-height: 1.6;
    }

    /* 11. 对比差异矩阵 */
    .diff-table-container {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow-x: auto;
    }
    .diff-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .diff-table th, .diff-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .diff-table th {
      background: rgba(0, 0, 0, 0.4);
      color: var(--text-white);
      font-weight: 700;
    }
    .diff-table tr:last-child td {
      border-bottom: none;
    }
    .tag-platform {
      color: var(--accent-green);
      font-weight: 600;
    }
    .tag-traditional {
      color: var(--text-dim);
    }

    /* 12. 资讯与行业白皮书摘要 */
    .news-card-inner {
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-dim);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
    }
    .news-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      flex-grow: 1;
    }

    /* 13. FAQ 手风琴解答 */
    .faq-item {
      background: var(--card-bg);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question i {
      transition: transform 0.3s;
      color: var(--primary-gold);
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* 14. 售前承诺保障条 */
    .guarantee-strip {
      background: rgba(0, 0, 0, 0.5);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 30px 0;
    }
    .guarantee-badge {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--text-light);
      font-weight: 600;
      font-size: 0.95rem;
    }
    .guarantee-badge i {
      color: var(--accent-green);
      font-size: 1.5rem;
    }

    /* 底部收口行动区 */
    .final-cta-section {
      background: radial-gradient(circle at center, rgba(108, 92, 231, 0.3) 0%, var(--bg-deep-carbon) 70%);
      text-align: center;
      padding: 90px 0;
      border-top: 1px solid rgba(245, 166, 35, 0.2);
    }
    .cta-form-container {
      max-width: 580px;
      margin: 32px auto 0 auto;
      display: flex;
      gap: 10px;
      background: rgba(255, 255, 255, 0.05);
      padding: 6px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .cta-form-input {
      flex-grow: 1;
      background: transparent;
      border: none;
      color: #fff;
      padding: 10px 16px;
      font-size: 0.95rem;
      outline: none;
    }
    .cta-form-input::placeholder {
      color: var(--text-dim);
    }

    /* 全功能页脚 */
    .site-footer {
      background: var(--bg-deep-carbon);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
      color: var(--text-dim);
    }
    .footer-col h4 {
      font-size: 1rem;
      color: var(--text-white);
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-dim);
    }
    .footer-links a:hover {
      color: var(--primary-gold);
    }
    .footer-bottom-line {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      text-align: center;
      font-size: 0.85rem;
    }

    /* 移动端固定底部转化悬浮条 */
    .mobile-sticky-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 60px;
      background: rgba(15, 17, 26, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(245, 166, 35, 0.3);
      z-index: 9999;
      padding: 8px 16px;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .mobile-sticky-bar a {
      flex: 1;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      font-size: 0.9rem;
      font-weight: 700;
      text-align: center;
    }

    /* 响应式断点 */
    @media screen and (max-width: 1024px) {
      .desktop-nav-menu {
        display: none;
      }
      .hero-h1 {
        font-size: 2.3rem;
      }
    }
    @media screen and (max-width: 768px) {
      section {
        padding: 55px 0;
      }
      .hero-h1 {
        font-size: 1.9rem;
      }
      .mobile-sticky-bar {
        display: flex;
      }
      .cta-form-container {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
      }
      .cta-form-input {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: var(--radius-sm);
        margin-bottom: 8px;
      }
      body {
        padding-bottom: 60px;
      }
    }