/* roulang page: index */
:root {
      --primary: #6320EE;
      --primary-hover: #5116cc;
      --accent: #00F5D4;
      --accent-hover: #00d6b9;
      --dark-surface: #0F111A;
      --dark-card: #181B26;
      --light-canvas: #F7F8FC;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --text-white: #F9FAFB;
      --border-color: #E5E7EB;
      --border-purple: rgba(99, 32, 238, 0.15);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 17, 26, 0.05);
      --shadow-hover: 0 12px 28px -4px rgba(99, 32, 238, 0.15);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.65;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary); }
    img { max-width: 100%; height: auto; display: block; }
    h1, h2, h3, h4, h5, h6 { font-family: inherit; color: var(--text-main); margin: 0 0 12px 0; font-weight: 700; }
    p { margin-bottom: 16px; color: var(--text-muted); }

    /* 系统级顶部条 */
    .sys-topbar {
      height: 36px;
      background: #090B10;
      color: var(--text-light);
      font-size: 12px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .sys-topbar .grid-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .sys-topbar-right { display: flex; gap: 20px; align-items: center; }

    /* SaaS 悬浮命令栏主导航 */
    .saas-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      height: 70px;
      display: flex;
      align-items: center;
    }
    .saas-header .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 19px;
      font-weight: 800;
      color: var(--text-main);
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
    }
    .brand-logo span.sub {
      font-size: 11px;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      display: block;
      line-height: 1;
      font-weight: 600;
    }
    .nav-links {
      display: flex;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 0;
      position: relative;
    }
    .nav-links li a:hover, .nav-links li a.active {
      color: var(--primary);
    }
    .nav-links li a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .nav-cmd-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .cmd-search-input {
      display: flex;
      align-items: center;
      gap: 8px;
      background: #F3F4F6;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      padding: 6px 14px;
      font-size: 13px;
      color: var(--text-light);
    }
    .cmd-badge {
      background: #E5E7EB;
      color: var(--text-muted);
      font-size: 10px;
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: none;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-accent {
      background: var(--accent);
      color: var(--dark-surface);
      box-shadow: 0 4px 14px rgba(0, 245, 212, 0.35);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      color: var(--dark-surface);
      transform: translateY(-2px);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 16px rgba(99, 32, 238, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: var(--text-white);
      background: transparent;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--accent);
      border-color: var(--accent);
    }
    .btn-ghost {
      border: 1px solid var(--border-color);
      color: var(--text-main);
      background: #fff;
    }
    .btn-ghost:hover {
      background: #F9FAFB;
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 板块通用布局 */
    .site-section {
      padding: 85px 0;
      position: relative;
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center { text-align: center; }
    .section-header h2 {
      font-size: 32px;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-header p {
      max-width: 680px;
      font-size: 16px;
      margin-left: auto;
      margin-right: auto;
      color: var(--text-muted);
    }
    .badge-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      background: rgba(99, 32, 238, 0.08);
      color: var(--primary);
      margin-bottom: 14px;
    }

    /* 板块 1: Hero 首屏 */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(99, 32, 238, 0.12) 0%, rgba(15, 17, 26, 0) 50%),
                  radial-gradient(circle at 10% 80%, rgba(0, 245, 212, 0.08) 0%, rgba(255, 255, 255, 0) 40%),
                  #FFFFFF;
      padding: 80px 0 90px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-h1 {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-h1 span.highlight {
      color: var(--primary);
      background: linear-gradient(120deg, var(--primary), #905cf7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 30px;
      max-width: 580px;
    }
    .hero-trust-badges {
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      border-top: 1px solid #EEF0F5;
      padding-top: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .trust-item i { color: var(--primary); }
    .hero-stage {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px -10px rgba(15, 17, 26, 0.15);
      border: 1px solid rgba(99, 32, 238, 0.15);
      background: var(--dark-surface);
    }
    .hero-stage img {
      width: 100%;
      height: 420px;
      object-fit: cover;
      opacity: 0.9;
    }
    .hero-overlay-tag {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 17, 26, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255,255,255,0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
    }

    /* 板块 2: 全生命周期产品与服务 */
    .bg-canvas { background-color: var(--light-canvas); }
    .service-media-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 100%;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .service-media-card img {
      width: 100%;
      height: 100%;
      min-height: 380px;
      object-fit: cover;
    }
    .service-feature-item {
      display: flex;
      gap: 18px;
      background: #FFFFFF;
      padding: 22px;
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .service-feature-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .feature-icon-box {
      width: 48px;
      height: 48px;
      flex-shrink: 0;
      border-radius: var(--radius-sm);
      background: rgba(99, 32, 238, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }

    /* 板块 3: 核心运营优势矩阵 */
    .card-grid-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      height: 100%;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .card-grid-item:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .advantage-badge {
      margin-top: auto;
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
    }

    /* 板块 4: 资产货架区 */
    .product-shelf-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .product-shelf-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .shelf-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
      background: #1e2230;
    }
    .shelf-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-shelf-card:hover .shelf-thumb img {
      transform: scale(1.05);
    }
    .shelf-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .meta-tag-pill {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 4px;
      background: #EEF2F6;
      color: var(--text-muted);
    }

    /* 板块 5: 曜石黑沉浸案例区 */
    .dark-surface-section {
      background-color: var(--dark-surface);
      color: var(--text-white);
      border-top: 1px solid rgba(255,255,255,0.08);
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .dark-surface-section h2, .dark-surface-section h3 {
      color: var(--text-white);
    }
    .dark-surface-section p {
      color: var(--text-light);
    }
    .timeline-glow-step {
      position: relative;
      padding-left: 36px;
      margin-bottom: 28px;
    }
    .timeline-glow-step::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 28px;
      bottom: -20px;
      width: 2px;
      background: rgba(0, 245, 212, 0.2);
    }
    .timeline-glow-step:last-child::before { display: none; }
    .timeline-glow-step .step-dot {
      position: absolute;
      left: 0;
      top: 2px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--dark-surface);
      border: 2px solid var(--accent);
      box-shadow: 0 0 10px var(--accent);
    }

    /* 板块 6: 场景化解决方案 */
    .scenario-col {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      height: 100%;
      position: relative;
    }
    .scenario-col.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-hover);
    }
    .scenario-badge-top {
      position: absolute;
      top: -12px;
      left: 24px;
      background: var(--primary);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-full);
    }
    .check-list {
      list-style: none;
      margin: 16px 0 0;
      padding: 0;
    }
    .check-list li {
      font-size: 14px;
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-muted);
    }
    .check-list li i {
      color: var(--accent);
      background: #0F111A;
      border-radius: 50%;
      padding: 3px;
      font-size: 10px;
      margin-top: 4px;
    }

    /* 板块 7: 关键业务数据 */
    .metrics-bar-section {
      background: linear-gradient(135deg, #18112e 0%, #0F111A 100%);
      color: #fff;
      padding: 60px 0;
      border-top: 1px solid rgba(99, 32, 238, 0.3);
      border-bottom: 1px solid rgba(99, 32, 238, 0.3);
    }
    .metric-item {
      text-align: center;
      padding: 10px;
    }
    .metric-number {
      font-size: 46px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      font-family: inherit;
    }
    .metric-label {
      font-size: 15px;
      color: #D1D5DB;
      margin-top: 8px;
      font-weight: 500;
    }
    .metric-foot {
      font-size: 11px;
      color: #6B7280;
      margin-top: 4px;
    }

    /* 板块 8: 合作伙伴 */
    .partner-logo-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 16px;
      font-weight: 700;
      color: #6B7280;
      letter-spacing: 0.5px;
      filter: grayscale(100%);
      opacity: 0.7;
      transition: var(--transition);
    }
    .partner-logo-item:hover {
      filter: grayscale(0%);
      opacity: 1;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 板块 9: 客户原声专访 */
    .story-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .story-quote-icon {
      font-size: 32px;
      color: rgba(99, 32, 238, 0.15);
      position: absolute;
      top: 24px;
      right: 24px;
    }
    .story-author {
      margin-top: auto;
      padding-top: 20px;
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
    }
    .story-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #E5E7EB;
      object-fit: cover;
    }

    /* 板块 10: 对比差异表 */
    .comparison-container {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-side {
      padding: 36px 30px;
    }
    .compare-side.legacy {
      background: #FAFBFD;
      border-right: 1px solid var(--border-color);
    }
    .compare-side.modern {
      background: #FFFFFF;
      position: relative;
    }
    .compare-side.modern::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary);
    }
    .compare-row {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 20px;
      font-size: 14px;
    }

    /* 板块 11: 资讯动态 */
    .news-card-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card-box:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .news-thumb {
      height: 180px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    /* 板块 12: FAQ 手风琴 */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      font-weight: 700;
      font-size: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      background: #FFFFFF;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* 板块 13: 终极行动表单与合规体系 */
    .final-cta-section {
      background: radial-gradient(circle at 50% 0%, #1e1338 0%, #0F111A 80%);
      color: #FFFFFF;
      padding: 80px 0 90px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }
    .final-cta-section h2 { color: #FFFFFF; }
    .final-cta-section p { color: var(--text-light); }
    .cta-form-box {
      max-width: 650px;
      margin: 36px auto 0;
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 30px;
    }
    .form-grid-flex {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .form-grid-flex input {
      flex: 1 1 200px;
      height: 48px;
      background: rgba(0,0,0,0.3);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius-sm);
      color: #fff;
      padding: 0 16px;
      font-size: 14px;
    }
    .form-grid-flex input:focus {
      outline: none;
      border-color: var(--accent);
    }

    /* 页脚 Footer */
    .site-footer {
      background: #090B10;
      color: #8C93A4;
      font-size: 14px;
      padding-top: 70px;
      border-top: 1px solid #1c202d;
    }
    .site-footer h4 {
      color: #F9FAFB;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links-list li { margin-bottom: 10px; }
    .footer-links-list li a { color: #9CA3AF; font-size: 13px; }
    .footer-links-list li a:hover { color: var(--accent); }
    .footer-bottom-bar {
      border-top: 1px solid #1F2433;
      padding: 24px 0;
      margin-top: 50px;
      font-size: 12px;
      color: #6B7280;
    }

    /* 底部固定转化条 */
    .sticky-conversion-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(15, 17, 26, 0.95);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(99, 32, 238, 0.4);
      padding: 12px 0;
      color: #fff;
      box-shadow: 0 -10px 25px rgba(0,0,0,0.3);
    }
    .sticky-bar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sticky-live-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
    }
    .live-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }

    /* 响应式调整 */
    @media screen and (max-width: 1024px) {
      .nav-links { display: none; }
      .cmd-search-input { display: none; }
      .hero-h1 { font-size: 34px; }
      .hero-stage img { height: 320px; }
    }
    @media screen and (max-width: 768px) {
      .site-section { padding: 60px 0; }
      .hero-section { padding: 40px 0 60px; }
      .metric-number { font-size: 36px; }
      .compare-side.legacy { border-right: none; border-bottom: 1px solid var(--border-color); }
      .sticky-live-badge { display: none; }
    }