/* roulang page: index */
:root {
      --primary: #7C3AED;
      --primary-hover: #6D28D9;
      --primary-light: #EDE9FE;
      --primary-glow: rgba(124, 58, 237, 0.28);
      --accent: #06B6D4;
      --accent-hover: #0891B2;
      --accent-light: #CFFAFE;
      --dark-surface: #0F172A;
      --dark-card: #1E293B;
      --dark-border: #334155;
      --bg-base: #F8FAFC;
      --bg-alt: #F1F5F9;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 16px 32px -4px rgba(124, 58, 237, 0.12);
      --shadow-hover: 0 20px 35px -6px rgba(15, 23, 42, 0.12);
      --container-max: 1240px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部服务栏 */
    .top-bar {
      background-color: var(--dark-surface);
      color: #CBD5E1;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      z-index: 60;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 38px;
    }

    .top-meta-list {
      display: flex;
      gap: 20px;
      align-items: center;
      list-style: none;
    }

    .top-meta-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .top-meta-item span.dot {
      width: 6px;
      height: 6px;
      background-color: #10B981;
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px #10B981;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }

    .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
      box-shadow: 0 4px 12px var(--primary-glow);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }

    .nav-link {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text-muted);
      position: relative;
      padding: 8px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
      border-radius: 2px;
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px var(--primary-glow);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px var(--primary-glow);
      color: #FFFFFF;
    }

    .btn-secondary {
      background: #FFFFFF;
      color: var(--primary);
      border-color: #D8B4FE;
    }

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

    .btn-outline-white {
      background: transparent;
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.35);
    }

    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #FFFFFF;
    }

    .btn-accent {
      background: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
    }

    .btn-accent:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
    }

    /* 移动端菜单控制 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }

    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: currentColor;
      margin: 5px 0;
      transition: var(--transition);
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: 112px;
      left: 0;
      width: 100%;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      z-index: 45;
    }

    .mobile-drawer.active {
      display: block;
    }

    .mobile-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .mobile-nav-link {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      display: block;
      padding: 8px 0;
    }

    /* 通用区块排版 */
    .section {
      padding: 90px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-alt);
    }

    .section-dark {
      background-color: var(--dark-surface);
      color: #F8FAFC;
    }

    .section-header {
      margin-bottom: 50px;
    }

    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      font-size: 0.8125rem;
      font-weight: 700;
      border-radius: 9999px;
      background: var(--primary-light);
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 14px;
    }

    .section-dark .section-tag {
      background: rgba(124, 58, 237, 0.25);
      color: #C4B5FD;
      border: 1px solid rgba(124, 58, 237, 0.4);
    }

    .section-title {
      font-size: 2.125rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .section-dark .section-title {
      color: #FFFFFF;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 板块 1: Hero (5:7 错位视觉布局) */
    .hero-section {
      padding: 60px 0 90px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, #F5F3FF 50%, #F8FAFC 100%);
      overflow: hidden;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #FFFFFF;
      border: 1px solid #DDD6FE;
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      letter-spacing: -0.03em;
      margin-bottom: 22px;
    }

    .hero-title span.text-gradient {
      background: linear-gradient(135deg, var(--primary) 0%, #A855F7 50%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.0625rem;
      line-height: 1.85;
      color: var(--text-muted);
      margin-bottom: 32px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }

    .hero-kpi-item h4 {
      font-size: 1.625rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .hero-kpi-item p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-top: 4px;
      font-weight: 500;
    }

    .hero-media-wrap {
      position: relative;
    }

    .hero-media-card {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(124, 58, 237, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.8);
      background: #FFFFFF;
      transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
      transition: var(--transition);
    }

    .hero-media-card:hover {
      transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }

    .hero-media-card img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .hero-float-panel {
      position: absolute;
      bottom: -24px;
      left: -24px;
      background: rgba(15, 23, 42, 0.92);
      backdrop-filter: blur(10px);
      color: #FFFFFF;
      padding: 18px 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--dark-border);
      box-shadow: var(--shadow-hover);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .float-indicator {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
    }

    /* 板块 2: 卖点三连 */
    .strengths-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .strength-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .strength-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
      opacity: 0;
      transition: var(--transition);
    }

    .strength-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: #D8B4FE;
    }

    .strength-card:hover::before {
      opacity: 1;
    }

    .strength-num {
      font-size: 2.25rem;
      font-weight: 900;
      color: #E2E8F0;
      line-height: 1;
      margin-bottom: 16px;
      letter-spacing: -0.05em;
    }

    .strength-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .strength-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 3: 入口矩阵 */
    .portal-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .portal-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      min-height: 200px;
    }

    .portal-item:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .portal-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 16px;
    }

    .portal-name {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .portal-brief {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .portal-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
    }

    /* 板块 4: 服务矩阵/架构全景 */
    .feature-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .feature-box {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .feature-box:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #DDD6FE;
    }

    .feature-box-media {
      height: 190px;
      overflow: hidden;
      position: relative;
    }

    .feature-box-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .feature-box:hover .feature-box-media img {
      transform: scale(1.06);
    }

    .feature-box-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .feature-tag-pill {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 9999px;
      background: #F3E8FF;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .feature-box-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .feature-box-desc {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .feature-specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .feature-specs-item {
      font-size: 0.8125rem;
      color: #64748B;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .feature-specs-item span.chk {
      color: #10B981;
      font-weight: 700;
    }

    /* 板块 5: 架构与性能理念区（深色大区块） */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .arch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .arch-card {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }

    .arch-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }

    .arch-card h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .arch-card p {
      font-size: 0.875rem;
      color: var(--text-light);
      line-height: 1.65;
    }

    .arch-visual-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--dark-border);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .arch-visual-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 板块 6: 最新发布 */
    .release-timeline {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .release-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 32px;
      display: grid;
      grid-template-columns: 180px 1fr auto;
      gap: 24px;
      align-items: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .release-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateX(4px);
    }

    .release-badge-wrap {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .release-version {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
    }

    .release-date {
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    .release-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .release-content p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 7: 热门专题 */
    .topic-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .topic-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .topic-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--accent);
    }

    .topic-header {
      margin-bottom: 16px;
    }

    .topic-pill {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      background: var(--accent-light);
      color: var(--accent-hover);
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .topic-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
    }

    .topic-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .topic-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .topic-tag {
      font-size: 0.75rem;
      padding: 4px 10px;
      background: #F1F5F9;
      color: #475569;
      border-radius: 9999px;
    }

    /* 板块 8: 方案交付流程 */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

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

    .step-index {
      width: 42px;
      height: 42px;
      margin: 0 auto 16px auto;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      Analyzing the CSS, recognizing the `.step-index` class defines the visual style of a step indicator, likely for a progress bar or similar visual element. The code sets a fixed size, centered margins, and rounded corners, hinting at a circular or square visual representation within a larger process visualization.


            }
            .step-text {
                font-size: 1.2rem;
                margin-top: 0.5rem;
                text-align: center;
                color: var(--text-color);
            }
            /* Global Styles */
            body {
                font-family: 'Helvetica Neue', Arial, sans-serif;
                margin: 0;
                padding: 0;
                background-color: #f4f4f4;
                color: #333;
                line-height: 1.6;
            }
            a {
                text-decoration: none;
                color: var(--primary);
            }
            a:hover {
                text-decoration: underline;
            }
            img {
                max-width: 100%;
                height: auto;
                display: block;
                margin: 0 auto;
            }
            .container {
                width: 80%;
                margin: auto;
                overflow: hidden;
                padding: 20px;
            }
            /* Header */
            header {
                background-color: var(--primary);
                color: #fff;
                padding: 1rem 0;
                text-align: center;
                border-bottom: 4px solid var(--secondary);
            }
            header h1 {
                margin: 0;
                font-size: 2.5rem;
            }
            nav {
                background-color: var(--secondary-light);
                padding: 0.5rem 0;
            }
            nav ul {
                list-style: none;
                padding: 0;
                margin: 0;
                text-align: center;
            }
            nav ul li {
                display: inline;
                margin: 0 1rem;
            }
            nav a {
                color: #fff;
                font-weight: bold;
                padding: 0.5rem 1rem;
                border-radius: 5px;
                transition: background-color 0.3s ease;
            }
            nav a:hover {
                background-color: var(--secondary);
            }
            /* Hero Section */
            .hero {
                background: url('/assets/images/f250a9acb073ecda.jpg') no-repeat center center/cover;
                color: #fff;
                text-align: center;
                padding: 4rem 0;
            }
            .hero h2 {
                font-size: 3rem;
                margin-bottom: 1rem;
            }
            .hero p {
                font-size: 1.2rem;
                margin-bottom: 2rem;
            }
            .hero button {
                background-color: var(--secondary);
                color: #fff;
                padding: 1rem 2rem;
                font-size: 1.2rem;
                border: none;
                border-radius: 5px;
                cursor: pointer;
                transition: background-color 0.3s ease;
            }
            .hero button:hover {
                background-color: var(--secondary-dark);
            }
            /* Features */
            .features {
                padding: 2rem 0;
                text-align: center;
            }
            .feature-grid {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 2rem;
            }
            .feature {
                padding: 1.5rem;
                border: 1px solid #ddd;
                border-radius: 5px;
                background-color: #fff;
                box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            }
            .feature i {
                font-size: 2.5rem;
                color: var(--primary);
                margin-bottom: 1rem;
            }
            .feature h3 {
                font-size: 1.5rem;
                margin-bottom: 0.5rem;
            }
            .feature p {
                font-size: 1rem;
            }
            /* Services */
            .services {
                background: url('/assets/images/

The image list provides assets for website elements, while the covers list suggests elements to be overlaid. Considering the instructions, Chinese names are preferred for the logo and footer, avoiding specific domain names. Further analysis involves canonical tags, metadata generation, and footer details. Implementing mobile interactions and smoother navigation transitions is necessary.


The existing HTML structure now includes the `<head>` section, indicating a starting point for the document structure.  The presence of the `.step-index` class suggests elements of a process or progress bar will be visualized, which guides the inclusion of an HTML body. The goal is now to draft the HTML body, adding key content sections such as the FAQ, guarantee bar, contact form, and footer, along with responsive breakpoints.


The style tag requires closing, followed by closing the `<head>` and opening `<body>`.  The header will be constructed next, including a top information bar, a sticky main navigation, and a mobile drawer. The `main` section will contain 16 sections, each with specified content including a hero carousel, strengths, portal matrix, service matrix, architecture vision, latest releases, hot topics, and delivery process.


The HTML structure within the `<main>` tag must now incorporate seventeen distinct sections as per specifications, ensuring each is appropriately structured for its content, which includes case studies, community feeds, and a contact form.  It's critical to determine the best organization of these sections to enhance user flow and presentation, so the content must be arranged in a logical flow. I am also planning the `<footer>` to include address, ICP details, contact information, and copyright according to the specifications provided. The footer layout requires a 4-column structure.


      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.125rem;
    }

    .step-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 9: 标杆案例墙 */
    .case-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .case-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: #DDD6FE;
    }

    .case-media {
      height: 220px;
      overflow: hidden;
      position: relative;
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .case-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(6px);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .case-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .case-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-desc {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .case-metrics-bar {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
      margin-top: auto;
    }

    .case-metric-unit h6 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }

    .case-metric-unit span {
      font-size: 0.75rem;
      color: #94A3B8;
    }

    /* 板块 10: 动态社区流推荐 */
    .stream-feed-wrap {
      display: grid;
      grid-template-columns: 7fr 5fr;
      gap: 36px;
      align-items: center;
    }

    .feed-display-box {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      background: #FFFFFF;
    }

    .feed-display-box img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }

    .feed-feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .feed-feature-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      transition: var(--transition);
    }

    .feed-feature-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .feed-feature-item h4 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .feed-feature-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 11: 资讯动态与干货 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    .news-cat {
      background: #F1F5F9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .news-card h3 {
      font-size: 1.1875rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }

    .news-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex: 1;
    }

    .news-more-btn {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块 12: 数据指标条 */
    .metrics-strip {
      background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
      border-radius: var(--radius-xl);
      padding: 50px 40px;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .metrics-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }

    .metric-data-card {
      padding: 10px;
    }

    .metric-data-val {
      font-size: 2.75rem;
      font-weight: 900;
      color: #FFFFFF;
      line-height: 1.1;
      letter-spacing: -0.03em;
    }

    .metric-data-val span.unit {
      color: var(--accent);
      font-size: 1.75rem;
    }

    .metric-data-label {
      font-size: 0.9375rem;
      font-weight: 700;
      color: #E2E8F0;
      margin-top: 10px;
    }

    .metric-data-sub {
      font-size: 0.8125rem;
      color: #94A3B8;
      margin-top: 4px;
    }

    /* 板块 13: 口碑评价墙 */
    .testimonial-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testimonial-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .testimonial-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: #DDD6FE;
      transform: translateY(-4px);
    }

    .testimonial-stars {
      color: #F59E0B;
      font-size: 1.125rem;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }

    .testimonial-text {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 24px;
      flex: 1;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    .user-avatar-initial {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #FFFFFF;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .user-info h5 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info p {
      font-size: 0.75rem;
      color: #64748B;
    }

    /* 板块 14: 合作伙伴 */
    .partner-logos-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 20px;
    }

    .partner-logo-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      font-weight: 700;
      color: #64748B;
      font-size: 0.9375rem;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 80px;
    }

    .partner-logo-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    /* 板块 15: 常见问题 FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      gap: 16px;
    }

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

    .faq-icon {
      font-size: 1.25rem;
      transition: transform 0.3s ease;
      color: var(--primary);
      font-weight: 400;
      flex-shrink: 0;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 22px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid #F8FAFC;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块 16: 平台安全保障条 */
    .security-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .sec-unit {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
      transition: var(--transition);
    }

    .sec-unit:hover {
      border-color: #10B981;
      transform: translateY(-2px);
    }

    .sec-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: #ECFDF5;
      color: #10B981;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      font-weight: 800;
      flex-shrink: 0;
    }

    .sec-text h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .sec-text p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 17: 联系与定制咨询 CTA */
    .cta-wrapper {
      background: linear-gradient(135deg, #2E1065 0%, #0F172A 100%);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
    }

    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      align-items: center;
    }

    .cta-intro-col {
      padding: 60px 50px;
      color: #FFFFFF;
    }

    .cta-intro-col h2 {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }

    .cta-intro-col p {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .cta-direct-contact {
      display: flex;
      flex-direction: column;
      gap: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
    }

    .cta-direct-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.9375rem;
      color: #E2E8F0;
    }

    .cta-form-col {
      background: #FFFFFF;
      padding: 50px 44px;
      border-radius: var(--radius-lg);
      margin: 24px;
      box-shadow: var(--shadow-lg);
    }

    .form-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      text-align: center;
    }

    .cta-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .form-label {
      display: block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      background: #F8FAFC;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 84px;
    }

    .form-submit-btn {
      width: 100%;
      padding: 13px;
      font-size: 1rem;
      font-weight: 700;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 14px var(--primary-glow);
    }

    .form-submit-btn:hover {
      box-shadow: 0 8px 24px var(--primary-glow);
      transform: translateY(-2px);
    }

    .form-notice {
      text-align: center;
      font-size: 0.75rem;
      color: #94A3B8;
      margin-top: 10px;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: var(--dark-surface);
      color: #CBD5E1;
      padding: 70px 0 30px 0;
      border-top: 1px solid var(--dark-border);
      position: relative;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.25fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 0.875rem;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 20px;
      max-width: 340px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links a {
      font-size: 0.875rem;
      color: #94A3B8;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }

    .footer-contact-info {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.875rem;
      color: #94A3B8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
      color: #64748B;
    }

    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }

    .footer-bottom-links a {
      color: #64748B;
    }

    .footer-bottom-links a:hover {
      color: #CBD5E1;
    }

    /* 响应式断点优化 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-media-card {
        transform: none;
      }
      .portal-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-matrix-grid, .case-cards-grid, .testimonial-cards-grid, .topic-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .partner-logos-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .metrics-strip-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .security-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stream-feed-wrap {
        grid-template-columns: 1fr;
      }
      .cta-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu, .nav-actions {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .strengths-grid, .feature-matrix-grid, .topic-cards-grid, .case-cards-grid, .news-grid, .testimonial-cards-grid {
        grid-template-columns: 1fr;
      }
      .portal-grid {
        grid-template-columns: 1fr;
      }
      .process-steps-grid {
        grid-template-columns: 1fr;
      }
      .release-item {
        grid-template-columns: 1fr;
      }
      .partner-logos-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .cta-intro-col {
        padding: 40px 24px;
      }
      .cta-form-col {
        margin: 16px;
        padding: 30px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }