/* roulang page: index */
:root {
      --primary: #1E56A0;
      --primary-hover: #163f77;
      --primary-light: #EBF3FC;
      --accent-blue: #00B4D8;
      --accent-orange: #FF7A00;
      --accent-orange-hover: #e66e00;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --text-title: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 12px 28px -4px rgba(30, 86, 160, 0.12);
      --transition: all 0.25s ease;
      --container-w: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      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;
      outline: none;
      border: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部微条 */
    .top-bar {
      background: #0B1329;
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding: 6px 0;
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 180, 216, 0.12);
      color: var(--accent-blue);
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-size: 0.75rem;
    }
    .top-bar-dot {
      width: 6px;
      height: 6px;
      background: #10B981;
      border-radius: 50%;
    }
    .top-bar-links {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    /* 悬浮胶囊导航 */
    .nav-wrapper {
      position: sticky;
      top: 14px;
      z-index: 1000;
      padding: 0 24px;
      margin-bottom: -78px;
    }
    .capsule-navbar {
      max-width: var(--container-w);
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(226, 232, 240, 0.85);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-md);
      padding: 10px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-logo {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.5px;
    }
    .brand-logo-mark {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary), var(--accent-blue));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      font-weight: 900;
    }
    .nav-links {
      display: flex;
      gap: 22px;
      list-style: none;
      align-items: center;
    }
    .nav-item a {
      font-size: 0.9375rem;
      color: var(--text-body);
      font-weight: 500;
      padding: 6px 10px;
      border-radius: var(--radius-full);
      position: relative;
    }
    .nav-item a:hover {
      color: var(--primary);
      background: var(--primary-light);
    }
    .nav-cta {
      background: var(--accent-orange);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 9px 20px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(255, 122, 0, 0.28);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-cta:hover {
      background: var(--accent-orange-hover);
      color: #FFFFFF;
      transform: translateY(-1px);
    }

    /* Section 通用规范 */
    section {
      padding: 86px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-header.text-left {
      text-align: left;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      background: var(--primary-light);
      color: var(--primary);
      margin-bottom: 12px;
    }
    .section-badge-dark {
      background: rgba(0, 180, 216, 0.15);
      color: var(--accent-blue);
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .section-header.text-left .section-desc {
      margin: 0;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. HERO - 斜切色块首屏 */
    .hero-section {
      padding-top: 140px;
      padding-bottom: 90px;
      background: #FFFFFF;
      position: relative;
      overflow: hidden;
    }
    .hero-angled-bg {
      position: absolute;
      top: 0;
      right: 0;
      width: 55%;
      height: 100%;
      background: linear-gradient(135deg, #0F1E36 0%, #1E56A0 100%);
      clip-path: polygon(18% 0%, 100% 0%, 100% 100%, 0% 100%);
      z-index: 1;
    }
    .hero-container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      align-items: center;
      gap: 48px;
    }
    .hero-content {
      padding-right: 20px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(30, 86, 160, 0.08);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 20px;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 900;
      color: var(--text-title);
      line-height: 1.22;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hero-h1 span {
      color: var(--primary);
    }
    .hero-p {
      font-size: 1.1rem;
      line-height: 1.8;
      color: var(--text-body);
      margin-bottom: 34px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .btn-hero-cta {
      background: var(--accent-orange);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 1.05rem;
      padding: 14px 34px;
      border-radius: var(--radius-full);
      box-shadow: 0 6px 20px rgba(255, 122, 0, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hero-cta:hover {
      background: var(--accent-orange-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 122, 0, 0.45);
    }
    .btn-hero-outline {
      border: 1px solid var(--border-color);
      background: #FFFFFF;
      color: var(--text-title);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 14px 28px;
      border-radius: var(--radius-full);
    }
    .btn-hero-outline:hover {
      background: var(--bg-main);
      border-color: var(--primary);
      color: var(--primary);
    }
    .hero-visual-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.35);
      border: 2px solid rgba(255, 255, 255, 0.2);
    }
    .hero-visual-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-badge-float {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .hero-badge-title {
      font-size: 0.875rem;
      font-weight: 600;
      color: #94A3B8;
    }
    .hero-badge-val {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--accent-blue);
    }

    /* 2. 行业痛点 (Pain Points) */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .pain-card:hover {
      border-color: #CBD5E1;
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .pain-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: #DC2626;
      background: #FEE2E2;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }
    .pain-card h3 {
      font-size: 1.15rem;
      color: var(--text-title);
      margin-bottom: 10px;
      font-weight: 700;
    }
    .pain-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 产品全景 (Product Overview) */
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .overview-thumb {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .overview-thumb img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }
    .overview-content h3 {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 16px;
    }
    .overview-content p {
      font-size: 1rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .spec-pills {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .spec-item {
      background: var(--bg-main);
      padding: 16px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--primary);
    }
    .spec-item strong {
      display: block;
      font-size: 1.1rem;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .spec-item span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 4. 核心优势 (Core Features - 6宫格) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .feature-card:hover {
      border-color: rgba(30, 86, 160, 0.3);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .feature-icon-badge {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 18px;
    }
    .feature-card h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 产品套件矩阵 (Hot Products - 3列) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .matrix-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 32px rgba(30, 86, 160, 0.15);
      transform: scale(1.02);
    }
    .matrix-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: var(--radius-full);
    }
    .matrix-card h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .matrix-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 22px;
      line-height: 1.5;
    }
    .matrix-specs {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }
    .matrix-specs li {
      font-size: 0.9rem;
      color: var(--text-body);
      padding: 8px 0;
      border-bottom: 1px dashed #F1F5F9;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-specs li::before {
      content: "✓";
      color: #10B981;
      font-weight: bold;
    }
    .btn-matrix {
      width: 100%;
      text-align: center;
      padding: 11px 0;
      border-radius: var(--radius-md);
      font-weight: 700;
      font-size: 0.92rem;
      background: var(--bg-main);
      color: var(--primary);
      border: 1px solid var(--border-color);
    }
    .matrix-card.featured .btn-matrix {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }
    .btn-matrix:hover {
      background: var(--primary-light);
      border-color: var(--primary);
    }
    .matrix-card.featured .btn-matrix:hover {
      background: var(--primary-hover);
    }

    /* 6. 深色案例与架构 (Dark Arch) */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-code-box {
      background: #0B1329;
      border: 1px solid rgba(0, 180, 216, 0.3);
      border-radius: var(--radius-md);
      padding: 24px;
      font-family: monospace;
      font-size: 0.85rem;
      color: #38BDF8;
      line-height: 1.8;
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    }
    .arch-cards-col {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .arch-sub-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .arch-sub-card h4 {
      color: var(--accent-blue);
      font-size: 1.05rem;
      margin-bottom: 6px;
    }
    .arch-sub-card p {
      color: #94A3B8;
      font-size: 0.88rem;
      line-height: 1.6;
    }

    /* 7. 交付步骤 (Methodology & Steps) */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      transition: var(--transition);
    }
    .step-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .step-num {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #FFFFFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }
    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 成果数据统计条 (Metrics Bar) */
    .metrics-strip {
      background: linear-gradient(135deg, #1E56A0 0%, #0F1E36 100%);
      border-radius: var(--radius-lg);
      padding: 44px 36px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item strong {
      display: block;
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--accent-blue);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
    }
    .metric-item span {
      font-size: 0.95rem;
      color: #E2E8F0;
    }

    /* 9. 标杆案例 (Customer Stories) */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .story-img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .story-body {
      padding: 26px;
      flex-grow: 1;
    }
    .story-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }
    .story-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .story-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .story-kpi {
      display: flex;
      gap: 20px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
    }
    .story-kpi-item b {
      display: block;
      color: var(--accent-orange);
      font-size: 1.15rem;
      font-weight: 800;
    }
    .story-kpi-item em {
      font-style: normal;
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 10. 用户评价 (Testimonials) */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .testi-card p {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }
    .testi-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .testi-meta h4 {
      font-size: 0.92rem;
      color: var(--text-title);
      font-weight: 700;
    }
    .testi-meta span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 11. 资讯动态 (News & Insights) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .news-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }
    .news-cat {
      font-size: 0.75rem;
      background: var(--bg-main);
      color: var(--primary);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .news-card h3 {
      font-size: 1.12rem;
      color: var(--text-title);
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }
    .news-anchor {
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 12. FAQ 手风琴 (Accordion) */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD5E1;
    }
    .faq-q {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-title);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      font-weight: 400;
      transition: transform 0.2s ease;
    }
    .faq-a {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    /* 底部转化区 (Final CTA) */
    .final-cta-section {
      padding: 40px 0 90px;
    }
    .cta-box {
      background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      text-align: center;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }
    .cta-box h2 {
      font-size: 2.25rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #FFFFFF;
    }
    .cta-box p {
      font-size: 1.05rem;
      color: #CBD5E1;
      max-width: 640px;
      margin: 0 auto 34px;
    }
    .inquiry-form {
      max-width: 640px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr 140px;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      padding: 10px;
      border-radius: var(--radius-full);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .inquiry-form input, .inquiry-form select {
      background: #FFFFFF;
      padding: 12px 18px;
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      color: var(--text-title);
    }
    .inquiry-form button {
      background: var(--accent-orange);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.95rem;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: var(--transition);
    }
    .inquiry-form button:hover {
      background: var(--accent-orange-hover);
    }

    /* 页脚系统 (Comprehensive Footer) */
    .site-footer {
      background: #0B1329;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      font-size: 0.88rem;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--accent-blue);
      padding-left: 4px;
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }
    .footer-contact-list span {
      color: #FFFFFF;
    }
    .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: 0.82rem;
    }
    .footer-trust {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .footer-trust a:hover {
      color: #FFFFFF;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .pain-grid, .steps-grid, .metrics-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-grid, .matrix-grid, .news-grid, .testi-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-card.featured {
        transform: none;
      }
      .hero-angled-bg {
        width: 45%;
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .capsule-navbar {
        border-radius: var(--radius-md);
        padding: 12px 18px;
      }
      .nav-links {
        display: none;
      }
      .hero-section {
        padding-top: 100px;
        padding-bottom: 60px;
      }
      .hero-angled-bg {
        display: none;
      }
      .hero-container {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .overview-grid, .arch-grid, .story-grid {
        grid-template-columns: 1fr;
      }
      .features-grid, .matrix-grid, .news-grid, .testi-grid, .pain-grid, .steps-grid {
        grid-template-columns: 1fr;
      }
      .metrics-strip {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        padding: 30px 20px;
      }
      .inquiry-form {
        grid-template-columns: 1fr;
        border-radius: var(--radius-lg);
      }
      .inquiry-form input, .inquiry-form select, .inquiry-form button {
        border-radius: var(--radius-md);
        padding: 12px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }