/* roulang page: index */
:root {
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F19;
      --bg-dark-alt: #111827;
      --primary: #00C48C;
      --primary-hover: #0DA574;
      --primary-light: rgba(0, 196, 140, 0.12);
      --secondary: #64748B;
      --accent-amber: #F59E0B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #E2E8F0;
      --border-light: #E2E8F0;
      --border-dark: rgba(255, 255, 255, 0.08);
      --card-radius: 10px;
      --shadow-sm: 0 2px 8px -1px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.1);
      --max-width: 1280px;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    body {
      font-family: var(--font-family);
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

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

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

    /* 顶部导航系统 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }

    .top-bar {
      background: #0F172A;
      color: #94A3B8;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .top-bar-left span {
      margin-right: 18px;
    }

    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(0, 196, 140, 0.15);
      color: var(--primary);
      padding: 1px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    .main-nav {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      background: #0F172A;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 20px;
      border: 1px solid rgba(0, 196, 140, 0.4);
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-sub {
      font-size: 11px;
      color: var(--secondary);
      text-transform: uppercase;
      letter-spacing: 1px;
      display: block;
      margin-top: -2px;
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
      align-items: center;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: #334155;
      padding: 8px 0;
      position: relative;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--text-main);
      font-weight: 600;
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      min-height: 44px;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #04261B;
      box-shadow: 0 2px 10px rgba(0, 196, 140, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      color: #FFFFFF;
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(0, 196, 140, 0.35);
    }

    .btn-outline {
      border-color: #CBD5E1;
      background: #FFFFFF;
      color: var(--text-main);
    }

    .btn-outline:hover {
      background: #F1F5F9;
      border-color: #94A3B8;
      color: #0F172A;
    }

    .btn-dark {
      background: #1E293B;
      color: #FFFFFF;
      border-color: #334155;
    }

    .btn-dark:hover {
      background: #0F172A;
      border-color: #475569;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      width: 44px;
      height: 44px;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      cursor: pointer;
      padding: 10px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      transition: 0.3s;
    }

    /* 板块排版基础 */
    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-sm {
      padding: 60px 0;
    }

    .section-title-wrap {
      margin-bottom: 56px;
      max-width: 820px;
    }

    .section-title-wrap.center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }

    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块一：Hero 工业参数首屏 */
    .hero-section {
      position: relative;
      background: #080D1A;
      color: #FFFFFF;
      padding: 80px 0 100px;
      overflow: hidden;
    }

    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: linear-gradient(135deg, rgba(11, 15, 25, 0.96) 20%, rgba(15, 23, 42, 0.85) 60%, rgba(13, 165, 116, 0.15) 100%), url('/assets/images/fbf97fb540f77fa7.webp');
      background-size: cover;
      background-position: center;
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }

    .hero-compliance-tag {
      background: rgba(0, 196, 140, 0.18);
      border: 1px solid rgba(0, 196, 140, 0.4);
      color: #4EEDB7;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 4px;
    }

    .hero-standard-code {
      font-size: 12px;
      color: #94A3B8;
      font-family: monospace;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.22;
      letter-spacing: -0.8px;
      margin-bottom: 22px;
      color: #FFFFFF;
    }

    .hero-title span {
      color: var(--primary);
    }

    .hero-summary {
      font-size: 16px;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 36px;
    }

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

    .hero-spec-board {
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--card-radius);
      padding: 28px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }

    .spec-board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      margin-bottom: 20px;
    }

    .spec-board-title {
      font-size: 14px;
      font-weight: 700;
      color: #E2E8F0;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .spec-board-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--primary);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
    }

    .spec-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .spec-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: 6px;
      padding: 14px;
    }

    .spec-value {
      font-size: 22px;
      font-weight: 700;
      color: #FFFFFF;
      font-family: monospace;
      margin-bottom: 4px;
    }

    .spec-label {
      font-size: 12px;
      color: #94A3B8;
      line-height: 1.4;
    }

    /* 板块二：行业痛点剖析区 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pain-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-top: 4px solid #CBD5E1;
      border-radius: var(--card-radius);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-top-color: var(--accent-amber);
    }

    .pain-tag {
      font-size: 12px;
      font-weight: 700;
      color: #DC2626;
      background: #FEE2E2;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }

    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块三：系统分层架构方案区 */
    .arch-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .arch-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .stack-layer {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-left: 5px solid var(--primary);
      border-radius: 6px;
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
    }

    .layer-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 6px;
    }

    .layer-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .layer-latency {
      font-size: 12px;
      font-family: monospace;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .layer-detail {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .arch-img-frame {
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      position: relative;
    }

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

    .arch-badge-overlay {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      padding: 16px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      font-size: 13px;
    }

    /* 板块四：核心优势区（6卡片网格） */
    .card-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .feature-card:hover {
      border-color: rgba(0, 196, 140, 0.5);
      box-shadow: var(--shadow-md);
    }

    .feature-icon-bar {
      width: 44px;
      height: 44px;
      background: #F1F5F9;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--primary);
      margin-bottom: 20px;
      font-weight: 700;
      border: 1px solid #E2E8F0;
    }

    .feature-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .feature-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块五：热门产品核心模块大卡片 */
    .product-module-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .product-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .product-thumb {
      height: 180px;
      overflow: hidden;
      position: relative;
    }

    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .product-card:hover .product-thumb img {
      transform: scale(1.04);
    }

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

    .product-category {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .product-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .product-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .param-list {
      list-style: none;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .param-item {
      display: flex;
      justify-content: space-between;
      font-size: 12.5px;
    }

    .param-name {
      color: #64748B;
    }

    .param-val {
      font-weight: 600;
      color: var(--text-main);
      font-family: monospace;
    }

    /* 板块六：量产适配与工程交付四步流程 */
    .step-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 28px;
      font-weight: 800;
      color: #CBD5E1;
      margin-bottom: 14px;
      font-family: monospace;
    }

    .step-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块七：深色硬核技术与安全理念区 */
    .dark-concept-section {
      background: var(--bg-dark);
      color: #F8FAFC;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }

    .dark-concept-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .code-mockup {
      background: #000000;
      border: 1px solid #1E293B;
      border-radius: 8px;
      padding: 20px;
      font-family: Consolas, Monaco, monospace;
      font-size: 13px;
      line-height: 1.6;
      color: #A5B4FC;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }

    .code-comment {
      color: #64748B;
    }

    .code-keyword {
      color: #38BDF8;
    }

    .code-highlight {
      color: var(--primary);
      font-weight: 600;
    }

    /* 板块八：主机厂落地应用故事区 */
    .case-story-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .story-metric-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
    }

    .story-metric-item {
      background: #F1F5F9;
      padding: 16px;
      border-radius: 6px;
    }

    .story-metric-val {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
    }

    .story-metric-lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块九：关键性能指标统计条 */
    .metrics-bar-section {
      background: #0F172A;
      color: #FFFFFF;
      padding: 48px 0;
    }

    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-number {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      font-family: monospace;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-caption {
      font-size: 14px;
      color: #CBD5E1;
      font-weight: 500;
    }

    .metric-sub {
      font-size: 12px;
      color: #64748B;
      margin-top: 4px;
    }

    /* 板块十：Tier 1 与主机厂评价区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .testimonial-quote {
      font-size: 14.5px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
    }

    .testimonial-quote::before {
      content: "“";
      font-size: 48px;
      color: #CBD5E1;
      line-height: 1;
      position: absolute;
      top: -16px;
      left: -12px;
      opacity: 0.4;
      font-family: Georgia, serif;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 18px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      background: #E2E8F0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #475569;
      font-size: 14px;
    }

    .author-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-title {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块十一：适用车型与生态适配人群 */
    .ecosystem-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .eco-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      padding: 24px 20px;
      text-align: center;
      transition: all 0.25s ease;
    }

    .eco-item:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .eco-icon-wrap {
      width: 50px;
      height: 50px;
      background: #F8FAFC;
      border: 1px solid var(--border-light);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 20px;
      color: var(--text-main);
    }

    .eco-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .eco-desc {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块十二：汽车操作系统前沿动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .news-thumb {
      height: 170px;
      overflow: hidden;
    }

    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      font-family: monospace;
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .news-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-hover);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块十三：高频技术 FAQ 问答 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: 8px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.open {
      border-color: #94A3B8;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: none;
      border: none;
      font-size: 15.5px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-toggle-icon {
      font-size: 18px;
      color: var(--secondary);
      transition: transform 0.25s ease;
    }

    .faq-item.open .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary-hover);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

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

    /* 板块十四：底部收口转化 CTA 区 */
    .cta-block {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: 12px;
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .cta-info h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-info p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.7;
    }

    .cta-form {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      padding: 28px;
      backdrop-filter: blur(6px);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-input {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      background: #FFFFFF;
      border: 1px solid #CBD5E1;
      border-radius: 6px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
    }

    .form-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(0, 196, 140, 0.2);
    }

    .form-hint {
      font-size: 11px;
      color: #94A3B8;
      margin-top: 10px;
      text-align: center;
    }

    /* 页脚组件 */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      font-size: 13px;
      padding: 72px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }

    .footer-brand-title {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
    }

    .footer-about {
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 20px;
    }

    .footer-col-title {
      font-size: 14px;
      font-weight: 700;
      color: #E2E8F0;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-contact-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 12px;
    }

    .footer-contact-item span:first-child {
      color: #475569;
      font-size: 11px;
      text-transform: uppercase;
    }

    .footer-contact-item span:last-child {
      color: #CBD5E1;
      font-family: monospace;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: #475569;
    }

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

    .footer-bottom a:hover {
      color: #94A3B8;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-content, .arch-wrapper, .dark-concept-grid, .case-story-grid, .cta-block {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .card-grid-3, .card-grid-6, .product-module-grid, .step-flow, .metrics-row, .testimonial-grid, .ecosystem-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-light);
      }
      .nav-links.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .card-grid-3, .card-grid-6, .product-module-grid, .step-flow, .metrics-row, .testimonial-grid, .ecosystem-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 24px;
      }
      .cta-block {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }