/* roulang page: index */
:root {
      --color-primary: #18191B;
      --color-primary-light: #2A2C30;
      --color-accent: #0EA5E9;
      --color-accent-hover: #0284C7;
      --color-accent-amber: #F59E0B;
      --color-bg-main: #F8F9FA;
      --color-bg-card: #FFFFFF;
      --color-bg-dark: #111215;
      --color-bg-dark-card: #1E2024;
      --color-text-title: #0F172A;
      --color-text-body: #334155;
      --color-text-muted: #64748B;
      --color-border-light: rgba(0, 0, 0, 0.08);
      --color-border-dark: rgba(255, 255, 255, 0.1);
      --radius-sm: 4px;
      --radius-md: 8px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.06);
      --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.35);
      --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--color-bg-main);
      color: var(--color-text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    @media (min-width: 1024px) {
      .container {
        padding: 0 32px;
      }
    }

    /* 顶部导航 */
    .top-bar {
      background-color: var(--color-bg-dark);
      color: #94A3B8;
      font-size: 13px;
      height: 36px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid var(--color-border-dark);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      width: 100%;
    }
    .top-bar-meta {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .top-bar-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-badge {
      background-color: rgba(14, 165, 233, 0.15);
      color: var(--color-accent);
      padding: 1px 6px;
      border-radius: 2px;
      font-size: 11px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--color-border-light);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--color-text-title);
      letter-spacing: -0.5px;
    }
    .brand-logo-mark {
      width: 32px;
      height: 32px;
      background: var(--color-primary);
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      color: #FFF;
      font-size: 14px;
      font-weight: 800;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .brand-logo-text {
      display: flex;
      flex-direction: column;
    }
    .brand-logo-text span:first-child {
      line-height: 1.1;
    }
    .brand-logo-text span:last-child {
      font-size: 10px;
      color: var(--color-text-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-top: 2px;
    }

    .nav-links {
      display: none;
      list-style: none;
      align-items: center;
      gap: 28px;
    }
    @media (min-width: 900px) {
      .nav-links {
        display: flex;
      }
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--color-accent);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--color-accent);
    }

    .header-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all var(--transition-base);
      border: 1px solid transparent;
      line-height: 1;
    }
    .btn-primary {
      background-color: var(--color-accent);
      color: #FFFFFF;
      box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--color-accent-hover);
      transform: translateY(-1px);
    }
    .btn-primary:active {
      transform: translateY(0);
    }
    .btn-dark {
      background-color: var(--color-primary);
      color: #FFFFFF;
      border-color: var(--color-primary);
    }
    .btn-dark:hover {
      background-color: #000000;
      transform: translateY(-1px);
    }
    .btn-outline {
      background-color: transparent;
      color: var(--color-text-title);
      border-color: var(--color-border-light);
    }
    .btn-outline:hover {
      border-color: var(--color-primary);
      background-color: rgba(0, 0, 0, 0.02);
    }

    /* 板块通用头部 */
    .section-head {
      margin-bottom: 48px;
    }
    .section-head.text-center {
      text-align: center;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-subtag {
      display: inline-block;
      font-family: var(--font-mono);
      font-size: 13px;
      font-weight: 700;
      color: var(--color-accent);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--color-text-title);
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    @media (min-width: 768px) {
      .section-title {
        font-size: 34px;
      }
    }
    .section-desc {
      font-size: 16px;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    /* Section 基础样式 */
    section {
      padding: 72px 0;
      position: relative;
    }
    @media (min-width: 1024px) {
      section {
        padding: 96px 0;
      }
    }
    .bg-light-alt {
      background-color: #F1F4F7;
    }
    .bg-dark-section {
      background-color: var(--color-bg-dark);
      color: #E2E8F0;
    }
    .bg-dark-section .section-title {
      color: #FFFFFF;
    }
    .bg-dark-section .section-desc {
      color: #94A3B8;
    }

    /* 板块 1: Hero Banner (试用申请 + 权益说明) */
    .hero-section {
      padding: 80px 0 100px;
      background: linear-gradient(135deg, #111215 0%, #1A1C20 60%, #16181C 100%);
      color: #FFF;
      overflow: hidden;
      border-bottom: 1px solid var(--color-border-dark);
      position: relative;
    }
    .hero-bg-texture {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/2d2612e9435931c1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    @media (min-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
      }
    }
    .hero-content {
      max-width: 640px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(14, 165, 233, 0.15);
      border: 1px solid rgba(14, 165, 233, 0.3);
      border-radius: 20px;
      font-size: 13px;
      color: var(--color-accent);
      margin-bottom: 24px;
      font-weight: 500;
    }
    .hero-title {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    @media (min-width: 768px) {
      .hero-title {
        font-size: 46px;
      }
    }
    .hero-lead {
      font-size: 16px;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-privileges {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
    }
    .privilege-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .privilege-icon {
      color: var(--color-accent);
      font-size: 16px;
      margin-top: 2px;
    }
    .privilege-text strong {
      display: block;
      color: #F8FAFC;
      font-size: 14px;
      margin-bottom: 2px;
    }
    .privilege-text p {
      font-size: 12px;
      color: #64748B;
      line-height: 1.4;
    }
    .hero-form-panel {
      background: var(--color-bg-dark-card);
      border: 1px solid var(--color-border-dark);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-dark);
    }
    .form-panel-head {
      margin-bottom: 24px;
    }
    .form-panel-head h3 {
      font-size: 20px;
      color: #FFF;
      margin-bottom: 6px;
    }
    .form-panel-head p {
      font-size: 13px;
      color: #94A3B8;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      color: #CBD5E1;
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      height: 44px;
      background: #111215;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #FFF;
      padding: 0 14px;
      font-size: 14px;
      outline: none;
      transition: border-color var(--transition-base);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--color-accent);
    }
    .form-footer-note {
      font-size: 12px;
      color: #64748B;
      margin-top: 14px;
      text-align: center;
    }

    /* 板块 2: 合集目录与装备库 (Directory) */
    .directory-grid {
      display: grid;
      grid-template-columns: repeat(1, 1fr);
      gap: 24px;
    }
    @media (min-width: 768px) {
      .directory-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (min-width: 1024px) {
      .directory-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }
    .directory-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .directory-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-accent);
    }
    .dir-code {
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      color: var(--color-accent);
      margin-bottom: 12px;
    }
    .dir-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-text-title);
      margin-bottom: 10px;
    }
    .dir-desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .dir-specs {
      list-style: none;
      border-top: 1px dashed var(--color-border-light);
      padding-top: 14px;
    }
    .dir-specs li {
      font-size: 13px;
      color: var(--color-text-body);
      display: flex;
      justify-content: space-between;
      margin-bottom: 6px;
    }
    .dir-specs li span {
      color: var(--color-text-muted);
    }

    /* 板块 3: 相关推荐套件 (Featured Recommendations) */
    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(1, 1fr);
      gap: 32px;
    }
    @media (min-width: 768px) {
      .recommend-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    .recommend-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform var(--transition-base), box-shadow var(--transition-base);
    }
    .recommend-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .recommend-img-wrap {
      position: relative;
      height: 220px;
      overflow: hidden;
      background: #E2E8F0;
    }
    .recommend-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .recommend-card:hover .recommend-img-wrap img {
      transform: scale(1.04);
    }
    .recommend-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(24, 25, 27, 0.85);
      backdrop-filter: blur(4px);
      color: #FFF;
      font-size: 11px;
      padding: 4px 10px;
      border-radius: 2px;
      font-weight: 600;
    }
    .recommend-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .recommend-model {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--color-accent);
      font-weight: 600;
      margin-bottom: 6px;
    }
    .recommend-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--color-text-title);
      margin-bottom: 12px;
    }
    .recommend-desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .recommend-meta-box {
      background: var(--color-bg-main);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }
    .recommend-meta-box span:first-child {
      color: var(--color-text-muted);
    }
    .recommend-meta-box span:last-child {
      font-weight: 600;
      color: var(--color-text-title);
    }

    /* 板块 4: 对比选型表 (Comparison Matrix) */
    .compare-container {
      overflow-x: auto;
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
      min-width: 720px;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--color-border-light);
    }
    .compare-table th {
      background-color: #F8FAFC;
      font-weight: 700;
      color: var(--color-text-title);
    }
    .compare-table tr.highlight-row {
      background-color: rgba(14, 165, 233, 0.04);
    }
    .compare-table th.highlight-col, .compare-table td.highlight-col {
      background-color: rgba(14, 165, 233, 0.03);
      border-left: 2px solid var(--color-accent);
      border-right: 2px solid var(--color-accent);
    }
    .th-badge {
      display: inline-block;
      background: var(--color-accent);
      color: #FFF;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 10px;
      margin-left: 6px;
      vertical-align: middle;
    }
    .table-spec-name {
      font-weight: 600;
      color: var(--color-text-title);
    }
    .status-ok {
      color: #10B981;
      font-weight: 700;
    }
    .status-limited {
      color: #F59E0B;
    }

    /* 板块 5: 严苛测试环境与工业理念 (Dark Concept & Stress Test) */
    .stress-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
      align-items: center;
    }
    @media (min-width: 1024px) {
      stress-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    .stress-content p {
      margin-bottom: 20px;
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
    }
    .stress-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 32px;
    }
    .metric-card {
      background: var(--color-bg-dark-card);
      border: 1px solid var(--color-border-dark);
      padding: 20px;
      border-radius: var(--radius-sm);
    }
    .metric-val {
      font-family: var(--font-mono);
      font-size: 32px;
      font-weight: 800;
      color: var(--color-accent);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-label {
      font-size: 13px;
      color: #CBD5E1;
      font-weight: 500;
    }
    .metric-sub {
      font-size: 12px;
      color: #64748B;
      margin-top: 4px;
    }

    /* 板块 6: 全屋智能装维场景故事 (Scenarios & Workflow) */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 20px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--color-border-light);
    }
    @media (min-width: 768px) {
      .timeline-wrap::before {
        left: 50%;
        margin-left: -1px;
      }
    }
    .timeline-item {
      position: relative;
      margin-bottom: 48px;
    }
    .timeline-dot {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--color-accent);
      border: 3px solid #FFF;
      box-shadow: 0 0 0 2px var(--color-accent);
      position: absolute;
      left: 13px;
      top: 24px;
      z-index: 2;
    }
    @media (min-width: 768px) {
      .timeline-dot {
        left: 50%;
        margin-left: -8px;
      }
    }
    .timeline-box {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      margin-left: 54px;
      position: relative;
    }
    @media (min-width: 768px) {
      .timeline-box {
        width: 44%;
        margin-left: 0;
      }
      .timeline-item:nth-child(even) .timeline-box {
        margin-left: auto;
      }
    }
    .timeline-phase {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--color-accent);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-text-title);
      margin-bottom: 10px;
    }
    .timeline-desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .timeline-kit {
      display: inline-block;
      font-size: 12px;
      background: #F1F5F9;
      color: var(--color-primary-light);
      padding: 4px 10px;
      border-radius: 3px;
      font-weight: 500;
    }

    /* 板块 7: 资讯与装维工程实务 (Articles & Guides) */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(1, 1fr);
      gap: 28px;
    }
    @media (min-width: 768px) {
      article-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    .article-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      transition: all var(--transition-base);
    }
    .article-card:hover {
      border-color: var(--color-accent);
      box-shadow: var(--shadow-sm);
    }
    .article-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      font-size: 12px;
    }
    .article-tag {
      color: var(--color-accent);
      background: rgba(14, 165, 233, 0.1);
      padding: 2px 8px;
      border-radius: 2px;
      font-weight: 600;
    }
    .article-date {
      color: var(--color-text-muted);
      font-family: var(--font-mono);
    }
    .article-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--color-text-title);
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .article-excerpt {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .article-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--color-primary);
    }
    .article-action:hover {
      color: var(--color-accent);
    }

    /* 板块 8: 收藏与选型资料库分享 (Resource Center) */
    .resource-banner {
      background: linear-gradient(135deg, #1E2024 0%, #16171A 100%);
      border: 1px solid var(--color-border-dark);
      border-radius: var(--radius-md);
      padding: 40px 32px;
      color: #FFF;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 32px;
    }
    @media (min-width: 900px) {
      .resource-banner {
        flex-direction: row;
        align-items: center;
        padding: 48px;
      }
    }
    .resource-left {
      max-width: 600px;
    }
    .resource-title {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #FFF;
    }
    .resource-desc {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
    }
    .resource-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .resource-btn {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #FFF;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 500;
    }
    .resource-btn:hover {
      background: var(--color-accent);
      border-color: var(--color-accent);
    }

    /* 板块 9: 专题索引条目 (Category Matrix) */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    @media (min-width: 768px) {
      .topics-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    @media (min-width: 1024px) {
      .topics-grid {
        grid-template-columns: repeat(6, 1fr);
      }
    }
    .topic-pill {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      padding: 16px;
      text-align: center;
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }
    .topic-pill:hover {
      border-color: var(--color-accent);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }
    .topic-icon {
      font-size: 20px;
      margin-bottom: 8px;
      color: var(--color-accent);
    }
    .topic-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text-title);
      margin-bottom: 4px;
    }
    .topic-count {
      font-size: 11px;
      color: var(--color-text-muted);
      font-family: var(--font-mono);
    }

    /* 板块 10: 用户与集成商口碑评价 (Testimonials) */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(1, 1fr);
      gap: 24px;
    }
    @media (min-width: 768px) {
      .review-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    .review-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .review-text {
      font-size: 14px;
      color: var(--color-text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--color-border-light);
      padding-top: 16px;
    }
    .author-avatar {
      width: 40px;
      height: 40px;
      background: #E2E8F0;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-weight: 700;
      color: var(--color-primary-light);
      font-size: 14px;
    }
    .author-info h4 {
      font-size: 14px;
      color: var(--color-text-title);
      font-weight: 600;
    }
    .author-info p {
      font-size: 12px;
      color: var(--color-text-muted);
    }

    /* 板块 11: 兼容生态与协议伙伴 (Ecosystem) */
    .eco-logos {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    @media (min-width: 640px) {
      .eco-logos {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    @media (min-width: 1024px) {
      .eco-logos {
        grid-template-columns: repeat(6, 1fr);
      }
    }
    .eco-box {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      padding: 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 90px;
    }
    .eco-name {
      font-weight: 700;
      font-size: 15px;
      color: var(--color-text-title);
      letter-spacing: 0.5px;
    }
    .eco-role {
      font-size: 11px;
      color: var(--color-text-muted);
      margin-top: 4px;
    }

    /* 板块 12: 选型咨询与即时响应表单 (Bottom CTA & SLA) */
    .cta-container {
      background: var(--color-bg-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--color-border-dark);
    }
    .cta-inner {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0;
    }
    @media (min-width: 1024px) {
      .cta-inner {
        grid-template-columns: 1fr 1fr;
      }
    }
    .cta-info-panel {
      padding: 48px;
      background: linear-gradient(135deg, #18191B 0%, #111215 100%);
      color: #FFF;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .cta-info-panel h3 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFF;
    }
    .cta-info-panel p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .sla-list {
      list-style: none;
    }
    .sla-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      font-size: 14px;
      color: #CBD5E1;
    }
    .sla-icon {
      color: var(--color-accent);
      font-size: 18px;
    }
    .cta-form-panel {
      padding: 48px;
      background: #1A1C20;
    }

    /* 页脚 */
    .site-footer {
      background: #0B0C0E;
      color: #94A3B8;
      font-size: 14px;
      padding: 80px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 1.5fr repeat(3, 1fr);
      }
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--color-accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 30px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      font-size: 13px;
      color: #64748B;
    }
    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }
    }
    .footer-domain {
      font-family: var(--font-mono);
      color: #94A3B8;
    }