/* roulang page: index */
:root {
      --primary-blue: #1E40AF;
      --accent-blue: #2563EB;
      --sky-blue: #0284C7;
      --deep-teal: #0D9488;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 4px -1px rgba(15, 23, 42, 0.04);
      --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
    }

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

    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      font-size: 16px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--accent-blue);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover, a:focus {
      color: var(--primary-blue);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .nav-inner {
      max-width: 1280px;
      margin: 0 auto;
      padding: 14px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.28rem;
      font-weight: 800;
      color: var(--primary-blue);
      letter-spacing: -0.02em;
    }

    .brand-badge {
      font-size: 0.72rem;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--accent-blue), var(--sky-blue));
      padding: 2px 8px;
      border-radius: 999px;
      letter-spacing: 0.05em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
      margin: 0;
    }

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-blue);
    }

    .nav-links li a.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--primary-blue);
      border-radius: 2px;
    }

    .nav-action-zone {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .live-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--deep-teal);
      background-color: #CCFBF1;
      padding: 4px 12px;
      border-radius: 999px;
    }

    .live-pulse {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: var(--deep-teal);
      box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7);
      animation: pulse-ring 1.8s infinite;
    }

    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.6); }
      70% { box-shadow: 0 0 0 8px rgba(13, 148, 136, 0); }
      100% { box-shadow: 0 0 0 0 rgba(13, 148, 136, 0); }
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.92rem;
      font-weight: 600;
      color: #FFFFFF;
      background-color: var(--accent-blue);
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-blue);
      color: #FFFFFF;
      transform: translateY(-1px);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      background-color: #FFFFFF;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      cursor: pointer;
    }
    .btn-secondary:hover {
      background-color: #F1F5F9;
      color: var(--primary-blue);
      border-color: #CBD5E1;
    }

    .section-wrap {
      max-width: 1240px;
      margin: 0 auto;
      padding: 88px 24px;
    }

    .section-header {
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent-blue);
      background: #EFF6FF;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
      letter-spacing: 0.04em;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    /* 板块 1: Hero 卡片堆叠 */
    .hero-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 80px 24px 70px;
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-h1 span {
      color: var(--primary-blue);
      position: relative;
    }

    .hero-subtext {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-feature-list {
      list-style: none;
      margin: 0 0 36px 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px 20px;
    }

    .hero-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .check-icon {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background-color: #DBEAFE;
      color: var(--accent-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.72rem;
      font-weight: bold;
    }

    .hero-btn-group {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    .stack-stage {
      position: relative;
      min-height: 480px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .stack-card {
      position: absolute;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    }

    .stack-card.card-main {
      width: 88%;
      z-index: 3;
      top: 36px;
      left: 6%;
      box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.12);
      border-top: 4px solid var(--primary-blue);
    }

    .stack-card.card-side-1 {
      width: 76%;
      z-index: 2;
      top: 0px;
      right: 0px;
      background: #F1F5F9;
      transform: rotate(3deg);
      opacity: 0.95;
    }

    .stack-card.card-side-2 {
      width: 78%;
      z-index: 1;
      bottom: 0px;
      left: 0px;
      background: #E2E8F0;
      transform: rotate(-3deg);
      opacity: 0.9;
    }

    .stack-card:hover {
      transform: translateY(-4px) scale(1.01);
      box-shadow: var(--shadow-hover);
    }

    .media-card-thumb {
      width: 100%;
      height: 190px;
      background: linear-gradient(135deg, #1E293B, #334155);
      border-radius: var(--radius-md);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: flex-end;
      padding: 16px;
      margin-bottom: 18px;
    }

    .media-badge-hot {
      position: absolute;
      top: 14px;
      left: 14px;
      background-color: #EF4444;
      color: #FFFFFF;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .media-badge-spec {
      position: absolute;
      top: 14px;
      right: 14px;
      background-color: rgba(15, 23, 42, 0.75);
      color: #FFFFFF;
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }

    .thumb-caption {
      color: #FFFFFF;
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1.4;
    }

    .spec-indicators {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      margin-top: 10px;
    }

    .spec-indicator-item span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .spec-indicator-item strong {
      font-size: 0.95rem;
      color: var(--text-main);
    }

    /* 板块 2: 核心服务矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }

    .service-cover {
      aspect-ratio: 16 / 9;
      background-color: #0F172A;
      position: relative;
      padding: 16px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-cover.bg-1 { background: linear-gradient(135deg, #0F172A, #1E3A8A); }
    .service-cover.bg-2 { background: linear-gradient(135deg, #1E293B, #0369A1); }
    .service-cover.bg-3 { background: linear-gradient(135deg, #042F2E, #0F766E); }

    .service-tag {
      align-self: flex-start;
      background: rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
    }

    .service-cover-title {
      color: #FFFFFF;
      font-size: 1.2rem;
      font-weight: 700;
    }

    .service-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-body p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .service-specs {
      list-style: none;
      margin: 0 0 20px 0;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .service-specs li {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      padding: 4px 0;
      color: var(--text-muted);
    }
    .service-specs li span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }

    .service-entry-link {
      display: inline-flex;
      align-items: center;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--accent-blue);
      gap: 6px;
    }

    /* 板块 3: 优势数据看板 */
    .metrics-strip {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 50px 24px;
    }
    .metrics-inner {
      max-width: 1240px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
    .metric-col {
      text-align: left;
      border-left: 3px solid var(--accent-blue);
      padding-left: 20px;
    }
    .metric-number {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary-blue);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-unit {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-muted);
      margin-left: 4px;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .metric-desc {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 板块 4: 规格方案与实施流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-index {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--accent-blue);
      background: #EFF6FF;
      display: inline-block;
      padding: 2px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 5: 标杆落地场景墙 (瀑布网格) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .case-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .case-header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }
    .case-badge {
      font-size: 0.72rem;
      font-weight: 700;
      background: #F1F5F9;
      color: var(--text-muted);
      padding: 3px 8px;
      border-radius: 4px;
    }
    .case-result {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--deep-teal);
    }
    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .case-snippet {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 6: 专题展区控制台 Tab */
    .console-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .console-left {
      padding: 48px;
      border-right: 1px solid var(--border-color);
    }
    .console-right {
      padding: 48px;
      background-color: #F8FAFC;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .param-row {
      display: flex;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border-color);
      font-size: 0.92rem;
    }
    .param-row span:first-child {
      color: var(--text-muted);
    }
    .param-row span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 板块 7: 行业资讯与动态指南 */
    .news-layout {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 32px;
    }
    .news-main-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .news-main-cover {
      height: 220px;
      background: linear-gradient(135deg, #1E3A8A, #0284C7);
      padding: 24px;
      display: flex;
      align-items: flex-end;
    }
    .news-main-title {
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 700;
      line-height: 1.4;
    }
    .news-main-body {
      padding: 28px;
    }
    .news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-list-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: all 0.2s ease;
    }
    .news-list-item:hover {
      border-color: var(--accent-blue);
      box-shadow: var(--shadow-sm);
    }
    .news-item-date {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }
    .news-item-heading {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .news-item-summary {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 8: 合作伙伴墙 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;}
    .partner-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 24px;
      text-align: center;
      transition: all 0.25s ease;
    }
    .partner-card:hover {
      border-color: #CBD5E1;
      box-shadow: var(--shadow-sm);
    }
    .partner-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .partner-auth {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 板块 9: 常见疑难与权威解答 */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .faq-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .faq-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-badge {
      font-size: 0.75rem;
      background: #EFF6FF;
      color: var(--accent-blue);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 800;
    }
    .faq-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 板块 10: 资质保障条 */
    .assurance-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
    }
    .assurance-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .assurance-icon-box {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background-color: #EFF6FF;
      color: var(--accent-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .assurance-title {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .assurance-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 11: 性能基准对比表 */
    .compare-table-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      margin: 0;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }
    .compare-table th {
      background-color: #F8FAFC;
      color: var(--text-main);
      font-weight: 700;
    }
    .highlight-col {
      background-color: #F0FDF4;
      font-weight: 600;
      color: #166534;
    }
    .normal-col {
      color: var(--text-muted);
    }

    /* 板块 12: 底部意向咨询 */
    .cta-card {
      background: linear-gradient(135deg, #1E3A8A, #172554);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-title {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .cta-desc {
      font-size: 1.05rem;
      color: #BFDBFE;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-form {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .cta-form-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .form-field {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--text-main);
      outline: none;
    }
    .form-field:focus {
      border-color: var(--accent-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      padding: 13px;
      background-color: var(--accent-blue);
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s ease;
    }
    .form-submit-btn:hover {
      background-color: var(--primary-blue);
    }

    /* 页脚 */
    .site-footer {
      background-color: #F1F5F9;
      border-top: 1px solid var(--border-color);
      padding: 72px 24px 36px;
      color: var(--text-muted);
    }
    .footer-inner {
      max-width: 1240px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-logo {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--primary-blue);
      margin-bottom: 14px;
    }
    .footer-brief {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-col-title {
      font-size: 0.96rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .footer-link-list {
      list-style: none;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link-list li a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-link-list li a:hover {
      color: var(--primary-blue);
    }
    .footer-bottom {
      max-width: 1240px;
      margin: 0 auto;
      border-top: 1px solid #CBD5E1;
      padding-top: 28px;
      font-size: 0.84rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 1023px) {
      .hero-container {
        grid-template-columns: 1fr;
        padding: 50px 20px;
      }
      .stack-stage {
        min-height: 380px;
      }
      .service-grid, .case-grid, .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-inner, .flow-steps, .assurance-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .console-box, .news-layout, .cta-card {
        grid-template-columns: 1fr;
      }
      .console-left {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 639px) {
      .nav-links, .nav-action-zone .live-status {
        display: none;
      }
      .section-wrap {
        padding: 56px 16px;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .hero-feature-list {
        grid-template-columns: 1fr;
      }
      .service-grid, .case-grid, .faq-grid, .partner-grid, .metrics-inner, .flow-steps, .assurance-bar {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
      .cta-card {
        padding: 32px 20px;
      }
      .cta-title {
        font-size: 1.6rem;
      }
    }

/* roulang page: category1 */
:root {
    --primary-blue: #1E40AF;
    --accent-blue: #2563EB;
    --sky-blue: #0284C7;
    --deep-teal: #0D9488;
    --text-main: #0F172A;
    --text-muted: #475569;
    --border-color: #E2E8F0;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 4px -1px rgba(15, 23, 42, 0.04);
    --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
  }
  * {
    box-sizing: border-box;
  }
  body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
  }
  a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: all 0.25s ease;
  }
  a:hover, a:focus {
    color: var(--primary-blue);
  }
  /* 统一导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
  }
  .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.28rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
  }
  .brand-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--accent-blue), var(--sky-blue));
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: 0.05em;
  }
  .nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
  }
  .nav-links li a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
  }
  .nav-links li a:hover,
  .nav-links li a.active {
    color: var(--primary-blue);
  }
  .nav-links li a.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-blue);
    border-radius: 2px;
  }
  .nav-action-zone {
    display: flex;
    align-items: center;
    gap: 18px;
  }
  .live-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--deep-teal);
    background: rgba(13, 148, 136, 0.08);
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(13, 148, 136, 0.2);
  }
  .live-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--deep-teal);
    box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.6);
    animation: pulseGlow 2s infinite;
  }
  @keyframes pulseGlow {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(13, 148, 136, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0); }
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    font-weight: 600;
    color: #FFFFFF !important;
    background-color: var(--accent-blue);
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
  }
  .btn-primary:hover {
    background-color: var(--primary-blue);
    transform: translateY(-1px);
  }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-main);
    background-color: #FFFFFF;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
  }
  .btn-secondary:hover {
    background-color: #F1F5F9;
    color: var(--primary-blue);
    border-color: #CBD5E1;
  }
  /* 基础容器与板块规范 */
  .category-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .category-section {
    padding: 72px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  }
  .category-section:last-of-type {
    border-bottom: none;
  }
  .section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: #EFF6FF;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
  }
  .section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 14px;
  }
  .section-desc {
    font-size: 1.02rem;
    color: var(--text-muted);
    max-width: 840px;
    line-height: 1.7;
    margin-bottom: 36px;
  }

  /* 板块 1: 分类专属标头区 */
  .cat-header-banner {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    padding: 56px 0 48px;
    border-bottom: 1px solid var(--border-color);
  }
  .cat-banner-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 48px;
    align-items: center;
  }
  .cat-h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
  }
  .cat-h1 span {
    color: var(--primary-blue);
  }
  .cat-subtext {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
  }
  .cat-stat-card-wrap {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .stat-box {
    border-left: 3px solid var(--accent-blue);
    padding-left: 14px;
  }
  .stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.1;
    margin-bottom: 4px;
    font-feature-settings: "tnum";
  }
  .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
  }

  /* 板块 2: 多维属性筛选过滤条 */
  .filter-toolbar {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
    margin: 40px 0 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .filter-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .filter-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
    min-width: 80px;
  }
  .filter-btn-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  .filter-chip {
    font-size: 0.86rem;
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: #F8FAFC;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .filter-chip.active,
  .filter-chip:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
    border-color: var(--accent-blue);
  }
  .filter-status-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid #F1F5F9;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  /* 板块 3: 核心列表主体区 */
  .matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 24px;
  }
  .product-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #CBD5E1;
  }
  .card-media-ratio {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #F1F5F9;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #E2E8F0;
  }
  .card-badge-top {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    color: #FFFFFF;
    background: var(--primary-blue);
  }
  .card-param-tag {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    color: #FFFFFF;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
  }
  .product-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.4;
  }
  .product-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
  }
  .param-specs-list {
    background: #F8FAFC;
    border-radius: var(--radius-sm);
    padding: 12px;
    font-size: 0.82rem;
    margin-bottom: 18px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .param-specs-list li {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
  }
  .param-specs-list li span:last-child {
    font-weight: 700;
    color: var(--text-main);
  }
  .card-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
  }
  .btn-outline-sm {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .btn-outline-sm:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
  }
  .pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
  }
  .page-item {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: #FFFFFF;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
  }
  .page-item.active {
    background: var(--primary-blue);
    color: #FFFFFF;
    border-color: var(--primary-blue);
  }

  /* 板块 4: 精选推荐与本期热点 */
  .spotlight-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .spotlight-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
    position: relative;
    border-top: 4px solid var(--deep-teal);
  }
  .spotlight-flag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--deep-teal);
    background: rgba(13, 148, 136, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
  }
  .spotlight-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 12px;
  }
  .spotlight-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
  }
  .spotlight-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
    background: #F8FAFC;
    padding: 16px;
    border-radius: var(--radius-md);
  }
  .spotlight-metrics div {
    text-align: center;
  }
  .spotlight-metrics .metric-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-blue);
  }
  .spotlight-metrics .metric-name {
    font-size: 0.78rem;
    color: var(--text-muted);
  }

  /* 板块 5: 分类标准与选型指引 */
  .guide-layout {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 48px;
    align-items: center;
  }
  .guide-item {
    margin-bottom: 24px;
    padding-left: 20px;
    border-left: 3px solid var(--accent-blue);
  }
  .guide-item-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
  }
  .guide-item-content {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.65;
  }
  .guide-param-panel {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
  }
  .guide-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
  }
  .guide-table th,
  .guide-table td {
    padding: 12px 14px;
    text-align: left;
    font-size: 0.88rem;
    border-bottom: 1px solid #F1F5F9;
  }
  .guide-table th {
    background: #F8FAFC;
    font-weight: 700;
    color: var(--text-main);
  }
  .guide-table td {
    color: var(--text-muted);
  }

  /* 板块 6: 该分类高频问题专区 */
  .faq-accordion {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px 28px;
    box-shadow: var(--shadow-sm);
  }
  .faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
  }
  .faq-question::before {
    content: "Q";
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 800;
    color: #FFFFFF;
    background: var(--accent-blue);
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 4px;
    margin-right: 12px;
  }
  .faq-answer {
    font-size: 0.94rem;
    color: var(--text-muted);
    line-height: 1.7;
    padding-left: 36px;
  }

  /* 板块 7: 分类末端快速意向通道 */
  .fast-channel-strip {
    background: linear-gradient(135deg, #1E40AF 0%, #1D4ED8 100%);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    color: #FFFFFF;
    box-shadow: 0 16px 30px -10px rgba(30, 64, 175, 0.3);
  }
  .fast-channel-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 36px;
    align-items: center;
  }
  .fast-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.3;
    margin-bottom: 12px;
  }
  .fast-sub {
    font-size: 0.96rem;
    color: #DBEAFE;
    line-height: 1.6;
  }
  .fast-form {
    display: grid;
    grid-template-columns: 1fr 1fr 140px;
    gap: 12px;
    background: rgba(255, 255, 255, 0.12);
    padding: 16px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
  }
  .fast-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: #FFFFFF;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
  }
  .fast-input:focus {
    border-color: #FFFFFF;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
  }
  .fast-btn {
    background: #FFFFFF;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.25s ease;
    padding: 0;
  }
  .fast-btn:hover {
    background: #F8FAFC;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  }

  /* 统一页脚 */
  .site-footer {
    background-color: #F1F5F9;
    border-top: 1px solid var(--border-color);
    padding: 72px 0 32px;
    margin-top: 64px;
  }
  .footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1.1fr 1.2fr;
    gap: 48px;
    margin-bottom: 48px;
  }
  .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 14px;
  }
  .footer-brief {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
  }
  .footer-col-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 18px;
    letter-spacing: 0.02em;
  }
  .footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-link-list li a {
    font-size: 0.88rem;
    color: var(--text-muted);
  }
  .footer-link-list li a:hover {
    color: var(--primary-blue);
    padding-left: 4px;
  }
  .footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 24px 0;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 12px;
  }

  /* 响应式断点 */
  @media (max-width: 1023px) {
    .cat-banner-grid,
    .spotlight-grid,
    .guide-layout,
    .fast-channel-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .matrix-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-inner {
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
  }
  @media (max-width: 639px) {
    .nav-links,
    .live-status {
      display: none;
    }
    .matrix-grid {
      grid-template-columns: 1fr;
    }
    .cat-stat-card-wrap {
      grid-template-columns: 1fr;
    }
    .fast-form {
      grid-template-columns: 1fr;
    }
    .footer-inner {
      grid-template-columns: 1fr;
      gap: 28px;
    }
    .cat-h1 {
      font-size: 1.95rem;
    }
    .section-title {
      font-size: 1.6rem;
    }
  }

/* roulang page: category2 */
:root {
        --primary-blue: #1E40AF;
        --accent-blue: #2563EB;
        --sky-blue: #0284C7;
        --deep-teal: #0D9488;
        --text-main: #0F172A;
        --text-muted: #475569;
        --border-color: #E2E8F0;
        --bg-light: #F8FAFC;
        --bg-white: #FFFFFF;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 4px -1px rgba(15, 23, 42, 0.04);
        --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
        --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
    }

    body {
        background-color: var(--bg-light);
        color: var(--text-main);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        font-size: 16px;
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
        margin: 0;
        padding: 0;
    }

    a {
        color: var(--accent-blue);
        text-decoration: none;
        transition: all 0.25s ease;
    }
    a:hover, a:focus {
        color: var(--primary-blue);
    }

    /* 顶部导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
        max-width: 1280px;
        margin: 0 auto;
        padding: 14px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.28rem;
        font-weight: 800;
        color: var(--primary-blue);
        letter-spacing: -0.02em;
    }
    .brand-badge {
        font-size: 0.72rem;
        font-weight: 700;
        color: #FFFFFF;
        background: linear-gradient(135deg, var(--accent-blue), var(--sky-blue));
        padding: 2px 8px;
        border-radius: 999px;
        letter-spacing: 0.05em;
    }
    .nav-links {
        display: flex;
        align-items: center;
        list-style: none;
        gap: 32px;
        margin: 0;
    }
    .nav-links li a {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-muted);
        position: relative;
        padding: 6px 0;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
        color: var(--primary-blue);
    }
    .nav-links li a.active::after {
        content: "";
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        height: 2px;
        background-color: var(--primary-blue);
        border-radius: 2px;
    }
    .nav-action-zone {
        display: flex;
        align-items: center;
        gap: 18px;
    }
    .live-status {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 500;
    }
    .live-pulse {
        width: 8px;
        height: 8px;
        background-color: #10B981;
        border-radius: 50%;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
        animation: pulse-ring 2s infinite;
    }
    @keyframes pulse-ring {
        0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
        70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
        100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.92rem;
        font-weight: 600;
        color: #FFFFFF !important;
        background-color: var(--accent-blue);
        padding: 10px 22px;
        border-radius: var(--radius-sm);
        border: 1px solid transparent;
        cursor: pointer;
        box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
        transition: all 0.25s ease;
    }
    .btn-primary:hover {
        background-color: var(--primary-blue);
        transform: translateY(-1px);
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--text-main);
        background-color: #FFFFFF;
        padding: 10px 22px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all 0.25s ease;
    }
    .btn-secondary:hover {
        background-color: #F1F5F9;
        color: var(--primary-blue);
        border-color: #CBD5E1;
    }

    /* 板块通用容器 */
    .section-wrap {
        max-width: 1240px;
        margin: 0 auto;
        padding: 72px 24px;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .section-tag {
        display: inline-block;
        font-size: 0.8rem;
        font-weight: 700;
        color: var(--accent-blue);
        background: #EFF6FF;
        padding: 4px 12px;
        border-radius: 4px;
        margin-bottom: 12px;
        letter-spacing: 0.04em;
    }
    .section-title {
        font-size: 1.95rem;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.35;
        margin-bottom: 12px;
    }
    .section-desc {
        font-size: 1.02rem;
        color: var(--text-muted);
        max-width: 800px;
        line-height: 1.7;
    }

    /* 板块 1: 分类专属标头区 (结合规范授权卡券入口) */
    .cat-banner-section {
        background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
        border-bottom: 1px solid var(--border-color);
        padding: 56px 24px 64px;
    }
    .cat-banner-container {
        max-width: 1240px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.2fr 0.9fr;
        gap: 40px;
        align-items: center;
    }
    .cat-h1 {
        font-size: 2.35rem;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.25;
        margin-bottom: 16px;
        letter-spacing: -0.02em;
    }
    .cat-h1 span {
        color: var(--primary-blue);
    }
    .cat-lead {
        font-size: 1.05rem;
        color: var(--text-muted);
        line-height: 1.75;
        margin-bottom: 24px;
    }
    .cat-voucher-card {
        background: #FFFFFF;
        border: 1px solid #BFDBFE;
        border-radius: var(--radius-lg);
        padding: 24px;
        box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.08);
        position: relative;
        overflow: hidden;
    }
    .cat-voucher-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent-blue), var(--deep-teal));
    }
    .voucher-top {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 16px;
        padding-bottom: 16px;
        border-bottom: 1px dashed var(--border-color);
    }
    .voucher-badge {
        display: inline-block;
        background: #FEF3C7;
        color: #B45309;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: 4px;
    }
    .voucher-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        margin-bottom: 20px;
        text-align: center;
    }
    .v-stat-val {
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--primary-blue);
    }
    .v-stat-lbl {
        font-size: 0.78rem;
        color: var(--text-muted);
    }
    .voucher-claim-btn {
        width: 100%;
        text-align: center;
        background: var(--accent-blue);
        color: #FFFFFF !important;
        font-weight: 700;
        padding: 12px;
        border-radius: var(--radius-sm);
        display: block;
        transition: all 0.2s ease;
    }
    .voucher-claim-btn:hover {
        background: var(--primary-blue);
    }

    /* 板块 2: 多维属性筛选过滤条 */
    .filter-bar-wrap {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 20px 24px;
        box-shadow: var(--shadow-sm);
        margin-bottom: 36px;
    }
    .filter-row {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 8px 0;
        border-bottom: 1px solid #F1F5F9;
    }
    .filter-row:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .filter-label {
        font-size: 0.88rem;
        font-weight: 700;
        color: var(--text-muted);
        min-width: 80px;
    }
    .filter-options {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .filter-chip {
        display: inline-block;
        font-size: 0.84rem;
        padding: 5px 14px;
        border-radius: 6px;
        color: var(--text-muted);
        background: #F8FAFC;
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .filter-chip:hover, .filter-chip.active {
        background: #EFF6FF;
        color: var(--accent-blue);
        border-color: #BFDBFE;
        font-weight: 600;
    }

    /* 板块 3: 核心列表主体区 (类似创作频道网格) */
    .grid-list-container {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-bottom: 40px;
    }
    .spec-card {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        display: flex;
        flex-direction: column;
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .spec-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: #BFDBFE;
    }
    .card-media {
        height: 180px;
        background: linear-gradient(135deg, #1E3A8A, #0284C7);
        position: relative;
        padding: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .media-badge-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .grade-badge {
        font-size: 0.75rem;
        font-weight: 700;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(4px);
        color: #FFFFFF;
        padding: 3px 8px;
        border-radius: 4px;
        border: 1px solid rgba(255, 255, 255, 0.3);
    }
    .spec-ver {
        font-size: 0.72rem;
        color: #E0F2FE;
        font-family: monospace;
    }
    .media-center-code {
        font-size: 1.25rem;
        font-weight: 800;
        color: #FFFFFF;
        letter-spacing: 0.05em;
        text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    .media-param-strip {
        font-size: 0.8rem;
        color: #BAE6FD;
        display: flex;
        gap: 12px;
    }
    .card-body {
        padding: 22px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }
    .card-h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        line-height: 1.4;
    }
    .card-summary {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 18px;
        flex-grow: 1;
    }
    .card-meta-list {
        background: #F8FAFC;
        border-radius: var(--radius-sm);
        padding: 10px 14px;
        margin-bottom: 18px;
        font-size: 0.82rem;
        border: 1px solid #EDF2F7;
    }
    .card-meta-item {
        display: flex;
        justify-content: space-between;
        padding: 3px 0;
        color: #64748B;
    }
    .card-meta-item span.val {
        font-weight: 600;
        color: var(--text-main);
    }
    .card-action-btn {
        width: 100%;
        text-align: center;
        background: #EFF6FF;
        color: var(--accent-blue);
        font-weight: 600;
        padding: 9px;
        border-radius: var(--radius-sm);
        border: 1px solid #BFDBFE;
        display: block;
        transition: all 0.2s ease;
    }
    .card-action-btn:hover {
        background: var(--accent-blue);
        color: #FFFFFF;
    }
    .pagination-bar {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 20px;
    }
    .page-btn {
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
        background: #FFFFFF;
        color: var(--text-muted);
        font-weight: 600;
        font-size: 0.9rem;
        cursor: pointer;
    }
    .page-btn.active {
        background: var(--accent-blue);
        color: #FFFFFF;
        border-color: var(--accent-blue);
    }

    /* 板块 4: 精选推荐与本期热点 */
    .spotlight-section {
        background: #FFFFFF;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .spotlight-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .spotlight-card {
        background: #F8FAFC;
        border: 1px solid #CBD5E1;
        border-radius: var(--radius-lg);
        padding: 32px;
        position: relative;
        overflow: hidden;
    }
    .spotlight-ribbon {
        position: absolute;
        top: 20px;
        right: -35px;
        background: #0D9488;
        color: #FFFFFF;
        font-size: 0.72rem;
        font-weight: 800;
        padding: 4px 40px;
        transform: rotate(45deg);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .spotlight-tag {
        font-size: 0.78rem;
        font-weight: 700;
        color: var(--deep-teal);
        text-transform: uppercase;
        margin-bottom: 8px;
    }
    .spotlight-title {
        font-size: 1.45rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 14px;
        line-height: 1.35;
    }
    .spotlight-desc {
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 22px;
    }
    .spec-key-points {
        list-style: none;
        margin: 0 0 24px 0;
        padding: 0;
    }
    .spec-key-points li {
        font-size: 0.88rem;
        color: #334155;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .spec-key-points li::before {
        content: "■";
        font-size: 0.6rem;
        color: var(--accent-blue);
    }

    /* 板块 5: 分类标准与选型指引 */
    .guide-row {
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 48px;
        align-items: center;
        margin-bottom: 50px;
    }
    .guide-row:last-child {
        margin-bottom: 0;
    }
    .guide-row.reversed {
        grid-template-columns: 1.1fr 1fr;
    }
    .guide-img-box {
        background: #EFF6FF;
        border: 1px solid #BFDBFE;
        border-radius: var(--radius-md);
        padding: 32px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .guide-metric-line {
        background: #FFFFFF;
        border-radius: var(--radius-sm);
        padding: 14px 18px;
        margin-bottom: 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-left: 4px solid var(--accent-blue);
        box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .guide-metric-line:last-child {
        margin-bottom: 0;
    }
    .g-name {
        font-size: 0.92rem;
        font-weight: 700;
        color: var(--text-main);
    }
    .g-val {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--primary-blue);
    }

    /* 板块 6: 分类高频问题专区 (FAQ) */
    .cat-faq-section {
        background: #FFFFFF;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .cat-faq-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .cat-faq-item {
        background: #F8FAFC;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
    }
    .cat-faq-q {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }
    .cat-faq-q::before {
        content: "Q";
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 22px;
        height: 22px;
        background: var(--accent-blue);
        color: #FFFFFF;
        font-size: 0.75rem;
        font-weight: 800;
        border-radius: 4px;
        flex-shrink: 0;
        margin-top: 2px;
    }
    .cat-faq-a {
        font-size: 0.92rem;
        color: var(--text-muted);
        line-height: 1.7;
        padding-left: 32px;
    }

    /* 板块 7: 分类末端快速意向通道 */
    .inquiry-banner {
        background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
        border-radius: var(--radius-lg);
        padding: 44px 48px;
        color: #FFFFFF;
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 40px;
        align-items: center;
        box-shadow: 0 16px 36px -8px rgba(30, 64, 175, 0.25);
    }
    .inquiry-h2 {
        font-size: 1.75rem;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .inquiry-p {
        font-size: 0.95rem;
        color: #BFDBFE;
        line-height: 1.6;
        margin: 0;
    }
    .inquiry-form {
        display: flex;
        gap: 12px;
    }
    .inquiry-input {
        flex-grow: 1;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.25);
        color: #FFFFFF;
        border-radius: var(--radius-sm);
        padding: 12px 16px;
        font-size: 0.92rem;
        outline: none;
        transition: border-color 0.2s;
    }
    .inquiry-input::placeholder {
        color: #93C5FD;
    }
    .inquiry-input:focus {
        border-color: #FFFFFF;
        background: rgba(255, 255, 255, 0.18);
    }
    .inquiry-submit {
        background: #0D9488;
        color: #FFFFFF;
        font-weight: 700;
        border: none;
        border-radius: var(--radius-sm);
        padding: 12px 24px;
        cursor: pointer;
        font-size: 0.92rem;
        white-space: nowrap;
        transition: background-color 0.2s;
    }
    .inquiry-submit:hover {
        background: #0F766E;
    }

    /* 页脚系统 */
    .site-footer {
        background-color: #F1F5F9;
        border-top: 1px solid var(--border-color);
        padding: 64px 24px 32px;
        color: var(--text-main);
    }
    .footer-inner {
        max-width: 1240px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 48px;
        margin-bottom: 48px;
    }
    .footer-logo {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--primary-blue);
        margin-bottom: 14px;
    }
    .footer-brief {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .footer-col-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 18px;
        letter-spacing: 0.02em;
    }
    .footer-link-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-link-list li {
        margin-bottom: 10px;
    }
    .footer-link-list a {
        font-size: 0.88rem;
        color: var(--text-muted);
    }
    .footer-link-list a:hover {
        color: var(--primary-blue);
    }
    .footer-bottom {
        max-width: 1240px;
        margin: 0 auto;
        padding-top: 24px;
        border-top: 1px solid var(--border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.82rem;
        color: #64748B;
        flex-wrap: wrap;
        gap: 12px;
    }

    /* 响应式断点控制 */
    @media (max-width: 1023px) {
        .cat-banner-container,
        .spotlight-grid,
        .cat-faq-grid,
        .inquiry-banner,
        .footer-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .grid-list-container {
            grid-template-columns: repeat(2, 1fr);
        }
        .guide-row, .guide-row.reversed {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }
    @media (max-width: 639px) {
        .grid-list-container {
            grid-template-columns: 1fr;
        }
        .nav-links, .live-status {
            display: none;
        }
        .inquiry-form {
            flex-direction: column;
        }
        .cat-h1 {
            font-size: 1.85rem;
        }
        .section-title {
            font-size: 1.55rem;
        }
        .section-wrap {
            padding: 48px 16px;
        }
        .cat-banner-section {
            padding: 40px 16px;
        }
    }