/* roulang page: index */
:root {
      --bg-dark: #0B0E14;
      --bg-card-dark: #131822;
      --bg-card-hover: #1A212E;
      --bg-light: #F4F6F9;
      --bg-white: #FFFFFF;
      --primary: #00DC82;
      --primary-glow: rgba(0, 220, 130, 0.25);
      --primary-dark: #00B368;
      --accent-warn: #FF9900;
      --accent-warn-bg: rgba(255, 153, 0, 0.12);
      --text-dark-main: #1F242F;
      --text-dark-muted: #64748B;
      --text-light-main: #E5E7EB;
      --text-light-muted: #94A3B8;
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-light: #E2E8F0;
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: var(--font-family);
      background-color: var(--bg-dark);
      color: var(--text-light-main);
      line-height: 1.7;
      letter-spacing: -0.015em;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    .section-heading {
      margin-bottom: 3.5rem;
      text-align: center;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--primary);
      margin-bottom: 0.75rem;
      padding: 0.2rem 0.75rem;
      background: rgba(0, 220, 130, 0.08);
      border: 1px solid rgba(0, 220, 130, 0.25);
      border-radius: var(--radius-sm);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 1.1rem;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 1.05rem;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
      color: var(--text-light-muted);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0.75rem 1.75rem;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      gap: 0.5rem;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #07130E;
      box-shadow: 0 0 20px var(--primary-glow);
    }

    .btn-primary:hover {
      background-color: #00f08e;
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 220, 130, 0.45);
    }

    .btn-secondary {
      background-color: rgba(255, 255, 255, 0.06);
      color: var(--text-light-main);
      border: 1px solid var(--border-dark);
    }

    .btn-secondary:hover {
      background-color: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.25);
    }

    .btn-outline-primary {
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--primary);
    }

    .btn-outline-primary:hover {
      background: var(--primary);
      color: #07130E;
    }

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 14, 20, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }

    .top-bar {
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.8rem;
      color: var(--text-light-muted);
      padding: 0.4rem 0;
    }

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

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
    }

    .status-dot {
      width: 7px;
      height: 7px;
      background-color: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
    }

    .top-links {
      display: flex;
      gap: 1.5rem;
    }

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

    .main-nav-bar {
      padding: 0.85rem 0;
    }

    .main-nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
    }

    .logo-container {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.02em;
    }

    .logo-icon-box {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), #00874F);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #07130E;
      font-weight: 900;
      font-size: 1.1rem;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 1.75rem;
      align-items: center;
    }

    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-light-muted);
      padding: 0.5rem 0;
      position: relative;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
      color: #ffffff;
    }

    .nav-menu a:hover::after,
    .nav-menu a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
    }

    /* 板块通用间距与背景 */
    .section-block {
      padding: 5.5rem 0;
      position: relative;
    }

    .section-darker {
      background-color: #07090D;
    }

    .section-light-scheme {
      background-color: var(--bg-light);
      color: var(--text-dark-main);
    }

    .section-light-scheme .section-title {
      color: var(--text-dark-main);
    }

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

    /* 板块 1: Hero */
    .hero-section {
      padding: 5.5rem 0 4.5rem;
      background: radial-gradient(circle at 80% 20%, rgba(0, 220, 130, 0.08) 0%, rgba(11, 14, 20, 0) 65%),
                  url('/assets/images/c9ea6f8a9e6732a2.webp') center/cover no-repeat;
      position: relative;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(11, 14, 20, 0.88);
      backdrop-filter: blur(4px);
    }

    .hero-content-wrapper {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3rem;
      align-items: center;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.22;
      letter-spacing: -0.03em;
      margin-bottom: 1.25rem;
      color: #ffffff;
    }

    .hero-title span {
      color: var(--primary);
      text-shadow: 0 0 25px rgba(0, 220, 130, 0.35);
    }

    .hero-lead {
      font-size: 1.1rem;
      line-height: 1.8;
      color: var(--text-light-muted);
      margin-bottom: 2rem;
    }

    .hero-action-group {
      display: flex;
      gap: 1.25rem;
      margin-bottom: 2.25rem;
      flex-wrap: wrap;
    }

    .hero-compliance-badges {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border-dark);
      font-size: 0.85rem;
      color: var(--text-light-muted);
    }

    .compliance-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.6rem;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
    }

    .hero-visual-card {
      background: rgba(19, 24, 34, 0.85);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      position: relative;
    }

    .hero-visual-card img {
      border-radius: var(--radius-md);
      margin-bottom: 1.25rem;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hero-telemetry-capsules {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.85rem;
    }

    .telemetry-item {
      background: rgba(11, 14, 20, 0.9);
      border: 1px solid var(--border-dark);
      padding: 0.85rem;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .telemetry-val {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      display: block;
    }

    .telemetry-lbl {
      font-size: 0.75rem;
      color: var(--text-light-muted);
    }

    /* 板块 2: 威胁态势区 Threats */
    .threat-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .threat-card {
      background: var(--bg-card-dark);
      border: 1px solid rgba(255, 153, 0, 0.2);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .threat-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 153, 0, 0.45);
      box-shadow: 0 10px 25px rgba(255, 153, 0, 0.1);
    }

    .threat-level {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent-warn);
      display: inline-block;
      margin-bottom: 0.75rem;
      letter-spacing: 0.05em;
    }

    .threat-card-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: #FFFFFF;
    }

    .threat-card-desc {
      font-size: 0.9rem;
      color: var(--text-light-muted);
      line-height: 1.65;
    }

    /* 板块 3: 智能防御解决方案总览 Solutions */
    .solution-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }

    .solution-image-side {
      position: relative;
    }

    .solution-image-side img {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-dark);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    }

    .solution-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-top: 2rem;
    }

    .solution-feature-item {
      display: flex;
      gap: 1rem;
    }

    .feat-icon-bullet {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(0, 220, 130, 0.15);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 0.2rem;
    }

    .feat-text-box h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.35rem;
      color: #FFFFFF;
    }

    .feat-text-box p {
      font-size: 0.92rem;
      color: var(--text-light-muted);
      line-height: 1.6;
    }

    .benchmark-badge-box {
      margin-top: 2.25rem;
      padding: 1rem 1.25rem;
      background: rgba(0, 220, 130, 0.06);
      border-left: 3px solid var(--primary);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 0.9rem;
      color: var(--text-light-main);
    }

    /* 板块 4: 核心竞争优势集群 Advantages (浅色交替调性) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }

    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
      transition: var(--transition);
    }

    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
      border-color: #CBD5E1;
    }

    .adv-card-header {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      margin-bottom: 1rem;
    }

    .adv-icon-badge {
      width: 42px;
      height: 42px;
      background: #E8FBF2;
      color: var(--primary-dark);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.15rem;
    }

    .adv-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark-main);
    }

    .adv-desc {
      font-size: 0.92rem;
      color: var(--text-dark-muted);
      line-height: 1.65;
    }

    /* 板块 5: 热门防护产品矩阵 Products */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .product-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2.25rem 1.85rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: var(--transition);
    }

    .product-card.featured {
      border-color: var(--primary);
      box-shadow: 0 0 30px rgba(0, 220, 130, 0.15);
    }

    .product-badge-top {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary);
      color: #07130E;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.2rem 0.65rem;
      border-radius: var(--radius-sm);
    }

    .product-header h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 0.5rem;
    }

    .product-header p {
      font-size: 0.9rem;
      color: var(--text-light-muted);
      margin-bottom: 1.5rem;
      min-height: 48px;
    }

    .product-specs {
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 1.25rem 0;
      margin-bottom: 1.5rem;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      font-size: 0.88rem;
    }

    .product-specs li {
      display: flex;
      justify-content: space-between;
      color: var(--text-light-muted);
    }

    .product-specs li strong {
      color: var(--text-light-main);
    }

    .product-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 1.75rem;
    }

    .tag-item {
      font-size: 0.75rem;
      background: rgba(255, 255, 255, 0.05);
      padding: 0.2rem 0.5rem;
      border-radius: var(--radius-sm);
      color: var(--text-light-muted);
    }

    /* 板块 6: 对抗实战与AISOC全流程 Architecture */
    .aisoc-workflow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1.25rem;
      position: relative;
      margin-top: 2rem;
    }

    .workflow-step {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 1.75rem 1.25rem;
      position: relative;
      transition: var(--transition);
    }

    .workflow-step:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .step-index {
      font-size: 1.75rem;
      font-weight: 900;
      color: rgba(0, 220, 130, 0.35);
      margin-bottom: 0.75rem;
      line-height: 1;
    }

    .step-name {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: #FFFFFF;
    }

    .step-detail {
      font-size: 0.85rem;
      color: var(--text-light-muted);
      line-height: 1.6;
    }

    /* 板块 7: 实战攻防战报 Case Studies */
    .cases-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
    }

    .case-card      {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2.25rem;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .case-card-header {
      border-bottom: 1px solid var(--border-dark);
      padding-bottom: 1.25rem;
    }

    .case-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 0.5rem;
      letter-spacing: 0.05em;
    }

    .case-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.4;
    }

    .case-body {
      display: flex;
      flex-direction: column;
      gap: 1.15rem;
    }

    .case-row {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    .case-label {
      font-size: 0.8rem;
      color: var(--text-light-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .case-val {
      font-size: 0.95rem;
      color: var(--text-light-main);
      line-height: 1.65;
    }

    .case-quote {
      border-left: 2px solid var(--primary);
      padding-left: 1rem;
      font-style: italic;
      color: #CBD5E1;
      font-size: 0.9rem;
      line-height: 1.6;
      background: rgba(255, 255, 255, 0.02);
      padding: 0.85rem 1rem;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    /* 板块 8: 量化数据统计条 Metrics */
    .metrics-section {
      background: linear-gradient(180deg, #0A0D13 0%, #06080B 100%);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 3.5rem 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }

    .metric-data-point {
      font-size: 2.85rem;
      font-weight: 900;
      color: #FFFFFF;
      letter-spacing: -0.03em;
      line-height: 1.1;
      margin-bottom: 0.5rem;
    }

    .metric-data-point span {
      color: var(--primary);
      font-size: 1.5rem;
      margin-left: 0.2rem;
    }

    .metric-label {
      font-size: 0.92rem;
      color: var(--text-light-muted);
      line-height: 1.5;
    }

    /* 板块 9: 行业客户实证 Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }

    .testimonial-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 2rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .testi-content {
      font-size: 0.95rem;
      color: var(--text-light-main);
      line-height: 1.7;
    }

    .testi-author-box {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      border-top: 1px solid var(--border-dark);
      padding-top: 1.25rem;
    }

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #1F2937;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      border: 1px solid var(--border-dark);
      font-size: 0.9rem;
    }

    .testi-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFFFFF;
    }

    .testi-meta p {
      font-size: 0.8rem;
      color: var(--text-light-muted);
    }

    /* 板块 10: 资讯内嵌区 Intelligence */
    .intelligence-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .intel-card {
      background: var(--bg-card-dark);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .intel-card:hover {
      border-color: rgba(0, 220, 130, 0.4);
      transform: translateY(-4px);
    }

    .intel-thumb {
      height: 180px;
      overflow: hidden;
    }

    .intel-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .intel-card:hover .intel-thumb img {
      transform: scale(1.05);
    }

    .intel-content {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
      gap: 1rem;
    }

    .intel-meta-top {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-light-muted);
    }

    .intel-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.45;
    }

    .intel-excerpt {
      font-size: 0.88rem;
      color: var(--text-light-muted);
      line-height: 1.6;
    }

    /* 板块 11: 疑问手风琴 FAQ */
    .faq-container {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1.15rem;
    }

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

    .faq-item:hover {
      border-color: rgba(255, 255, 255, 0.15);
    }

    .faq-question {
      padding: 1.35rem 1.75rem;
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
    }

    .faq-indicator {
      font-size: 1.25rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
      flex-shrink: 0;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease;
      padding: 0 1.75rem;
      background: rgba(0, 0, 0, 0.15);
    }

    .faq-answer-inner {
      padding-bottom: 1.35rem;
      font-size: 0.92rem;
      color: var(--text-light-muted);
      line-height: 1.7;
    }

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

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-top: 0.5rem;
    }

    /* 板块 12: 底部强转化 Contact */
    .final-cta-section {
      background: radial-gradient(circle at center, rgba(0, 220, 130, 0.12) 0%, rgba(11, 14, 20, 0.95) 75%),
                  url('/assets/images/1d665f58fe836894.webp') center/cover no-repeat;
      padding: 6.5rem 0;
      position: relative;
      border-top: 1px solid var(--border-dark);
    }

    .final-cta-inner {
      position: relative;
      z-index: 2;
      max-width: 760px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-form {
      display: flex;
      gap: 0.75rem;
      margin: 2.25rem 0 1.25rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .cta-input {
      background: rgba(19, 24, 34, 0.9);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 0.85rem 1.25rem;
      color: #FFFFFF;
      font-size: 0.95rem;
      width: 360px;
      outline: none;
      transition: var(--transition);
    }

    .cta-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 15px var(--primary-glow);
    }

    .privacy-notice {
      font-size: 0.8rem;
      color: var(--text-light-muted);
    }

    /* 页脚区域 */
    .site-footer {
      background: #06080B;
      border-top: 1px solid var(--border-dark);
      padding: 4.5rem 0 2rem;
      font-size: 0.88rem;
      color: var(--text-light-muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 1rem;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 1.25rem;
    }

    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 1.25rem;
      letter-spacing: 0.05em;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

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

    .footer-contact-info {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.8rem;
    }

    .trust-signals {
      display: flex;
      gap: 1.5rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-content-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .threat-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
      .advantages-grid,
      .product-grid,
      .testimonials-grid,
      .intelligence-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .aisoc-workflow {
        grid-template-columns: repeat(3, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .solution-grid,
      .cases-wrapper {
        grid-template-columns: 1fr;
      }
      .advantages-grid,
      .product-grid,
      .testimonials-grid,
      .intelligence-grid {
        grid-template-columns: 1fr;
      }
      .aisoc-workflow {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 2.15rem;
      }
      .cta-input {
        width: 100%;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .threat-matrix,
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .hero-telemetry-capsules {
        grid-template-columns: 1fr;
      }
    }