/* roulang page: index */
:root {
      --primary-blue: #1E56A0;
      --accent-blue: #166FE5;
      --sky-light: #F7FAFD;
      --card-bg: #FFFFFF;
      --alt-bg: #EEF5FC;
      --text-dark: #0F172A;
      --text-slate: #334155;
      --text-muted: #64748B;
      --gold-rune: #D4AF37;
      --silver-edge: rgba(30, 86, 160, 0.12);
      --card-shadow: 0 16px 36px -12px rgba(30, 86, 160, 0.09);
      --card-hover-shadow: 0 24px 48px -10px rgba(22, 111, 229, 0.16);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 14px;
      --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--sky-light);
      color: var(--text-slate);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    /* 顶部通知胶囊条 */
    .top-notice-bar {
      background: linear-gradient(90deg, #0F1E36 0%, #1E56A0 100%);
      color: #E2E8F0;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(212, 175, 55, 0.25);
    }
    .top-notice-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .notice-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(212, 175, 55, 0.18);
      color: #F8E7A2;
      padding: 2px 10px;
      border-radius: 20px;
      border: 1px solid rgba(212, 175, 55, 0.4);
      font-size: 12px;
      font-weight: 600;
    }
    .notice-countdown {
      color: #CBD5E1;
      font-size: 12px;
    }

    /* 主导航 */
    .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(--silver-edge);
      box-shadow: 0 4px 20px rgba(15, 30, 54, 0.04);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .emblem-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-blue) 0%, #103463 100%);
      border: 1px solid var(--gold-rune);
      transform: rotate(45deg);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }
    .emblem-inner {
      transform: rotate(-45deg);
      color: #FFFFFF;
      font-weight: 800;
      font-size: 14px;
      letter-spacing: 1px;
    }
    .brand-text-block {
      display: flex;
      flex-direction: column;
    }
    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: 0.5px;
      line-height: 1.2;
    }
    .brand-subtitle {
      font-size: 10px;
      color: var(--text-muted);
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }

    .main-nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      gap: 28px;
    }
    .main-nav-links a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-slate);
      padding: 6px 0;
      position: relative;
    }
    .main-nav-links a:hover,
    .main-nav-links a.active {
      color: var(--primary-blue);
    }
    .main-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-blue);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .live-status {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: #059669;
      background: #ECFDF5;
      padding: 5px 12px;
      border-radius: 16px;
      border: 1px solid #A7F3D0;
      font-weight: 500;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }

    /* 按钮规范 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
      color: #FFFFFF !important;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 20px -5px rgba(22, 111, 229, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px -5px rgba(22, 111, 229, 0.45);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      color: var(--primary-blue) !important;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--silver-edge);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
      transition: var(--transition);
    }
    .btn-secondary:hover {
      background: var(--sky-light);
      border-color: var(--primary-blue);
      transform: translateY(-2px);
    }

    /* 板块通用间距与标题 */
    .content-section {
      padding: 96px 0;
      position: relative;
    }
    .bg-white {
      background-color: #FFFFFF;
    }
    .bg-gradient {
      background: linear-gradient(180deg, #FFFFFF 0%, var(--alt-bg) 100%);
    }
    .bg-cool {
      background-color: var(--sky-light);
    }

    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
    }
    .section-pretitle {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-blue);
      letter-spacing: 2px;
      text-transform: uppercase;
      display: inline-block;
      margin-bottom: 8px;
      border-bottom: 1px solid var(--gold-rune);
      padding-bottom: 4px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.5px;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto;
      line-height: 1.8;
    }

    /* 切角质感卡片基类 */
    .rune-card {
      background: var(--card-bg);
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      padding: 32px;
      position: relative;
      transition: var(--transition);
      height: 100%;
    }
    .rune-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 14px;
      height: 14px;
      border-top: 2px solid var(--gold-rune);
      border-right: 2px solid var(--gold-rune);
      border-top-right-radius: var(--radius-md);
      opacity: 0.7;
    }
    .rune-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(30, 86, 160, 0.25);
    }

    /* HERO 首屏 */
    .hero-wrap {
      padding: 80px 0 100px;
      background: radial-gradient(circle at top right, rgba(22, 111, 229, 0.08), transparent 50%), linear-gradient(180deg, #FFFFFF 0%, #F1F6FD 100%);
      border-bottom: 1px solid var(--silver-edge);
      position: relative;
      overflow: hidden;
    }
    .hero-h1 {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }
    .hero-summary {
      font-size: 16px;
      color: var(--text-slate);
      line-height: 1.85;
      margin-bottom: 32px;
    }
    .hero-action-group {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .hero-meta-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid var(--silver-edge);
      padding-top: 24px;
    }
    .hero-meta-item strong {
      display: block;
      font-size: 20px;
      color: var(--primary-blue);
      font-weight: 800;
    }
    .hero-meta-item span {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 竖屏主视觉展示容器 */
    .hero-vertical-stage {
      background: #0F172A;
      border-radius: var(--radius-lg);
      padding: 12px;
      box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.35);
      border: 2px solid rgba(212, 175, 55, 0.4);
      position: relative;
      max-width: 440px;
      margin: 0 auto;
    }
    .stage-media-wrap {
      border-radius: calc(var(--radius-lg) - 6px);
      overflow: hidden;
      position: relative;
      aspect-ratio: 9/15;
      background: #000000;
    }
    .stage-media-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .stage-overlay-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(8px);
      color: #FFFFFF;
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 12px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .stage-bottom-card {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }
    .stage-bottom-card h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 4px;
    }
    .stage-bottom-card p {
      font-size: 12px;
      color: var(--text-slate);
      line-height: 1.4;
      margin: 0;
    }

    /* 板块 1: 痛点唤醒 */
    .pain-card {
      border-left: 4px solid #EF4444;
    }
    .pain-card.active-contrast {
      border-left: 4px solid var(--primary-blue);
    }
    .pain-icon {
      font-size: 24px;
      margin-bottom: 16px;
      display: inline-block;
    }
    .pain-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .pain-card p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.7;
    }

    /* 板块 2: 工业级标准属性面板 */
    .attribute-panel {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .attribute-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px dashed rgba(30, 86, 160, 0.15);
    }
    .attribute-row:last-child {
      border-bottom: none;
    }
    .attr-label {
      font-weight: 700;
      color: var(--text-dark);
      font-size: 15px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .attr-val {
      font-size: 14px;
      color: var(--primary-blue);
      font-weight: 600;
      background: var(--sky-light);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid var(--silver-edge);
    }

    /* 板块 3: 流程时间轴卡片 */
    .step-badge {
      display: inline-block;
      background: var(--primary-blue);
      color: #FFFFFF;
      font-weight: 800;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
      letter-spacing: 1px;
    }
    .step-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.65;
    }

    /* 板块 4: 成果数据大字板 */
    .stat-board {
      text-align: center;
      padding: 36px 20px;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--silver-edge);
      box-shadow: 0 10px 24px -8px rgba(30, 86, 160, 0.08);
      position: relative;
    }
    .stat-number {
      font-size: 42px;
      font-weight: 900;
      color: var(--primary-blue);
      line-height: 1;
      margin-bottom: 8px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }
    .stat-suffix {
      font-size: 20px;
      font-weight: 600;
      color: var(--accent-blue);
      margin-left: 2px;
    }
    .stat-label {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .stat-sub {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 板块 5: 专门分类聚合卡片 */
    .category-entry-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
    }
    .category-entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }
    .category-img-box {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .category-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .category-entry-card:hover .category-img-box img {
      transform: scale(1.05);
    }
    .category-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.78);
      color: #FFFFFF;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }
    .category-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .category-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .category-body p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .category-link-anchor {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 700;
      color: var(--primary-blue);
    }
    .category-link-anchor:hover {
      color: var(--accent-blue);
      text-decoration: underline;
    }

    /* 板块 6: 决策层证言 */
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--card-shadow);
      position: relative;
      height: 100%;
    }
    .quote-icon {
      font-size: 32px;
      color: var(--gold-rune);
      opacity: 0.4;
      line-height: 1;
      margin-bottom: 16px;
    }
    .testimonial-text {
      font-size: 15px;
      color: var(--text-slate);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .client-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .client-avatar-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--sky-light);
      border: 1px solid var(--silver-edge);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--primary-blue);
    }
    .client-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      margin: 0;
    }
    .client-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块 8: 硬件通栏参数展示 */
    .hardware-banner-sec {
      background-size: cover;
      background-position: center;
      position: relative;
      padding: 100px 0;
      color: #FFFFFF;
    }
    .hardware-banner-sec::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(180deg, rgba(15, 30, 54, 0.92) 0%, rgba(15, 30, 54, 0.96) 100%);
    }
    .hardware-content-wrap {
      position: relative;
      z-index: 2;
    }

    /* 板块 9: 资讯卡片与查看更多 */
    .insight-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .insight-body {
      padding: 24px;
      flex-grow: 1;
    }
    .insight-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .insight-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .insight-body p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.65;
    }

    /* 板块 10: 六边形徽章栅格标准 */
    .spec-badge-box {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--card-shadow);
      height: 100%;
      position: relative;
    }
    .spec-icon-symbol {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: linear-gradient(135deg, #EEF5FC 0%, #DCEBFA 100%);
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      border-radius: 8px;
      border: 1px solid rgba(30, 86, 160, 0.2);
    }
    .spec-badge-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }
    .spec-badge-box p {
      font-size: 13px;
      color: var(--text-slate);
      line-height: 1.6;
      margin: 0;
    }

    /* 板块 11: FAQ 手风琴 */
    .faq-accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(15, 30, 54, 0.03);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      background: #FFFFFF;
    }
    .faq-question::after {
      content: "+";
      font-size: 20px;
      color: var(--primary-blue);
      font-weight: 400;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    /* 板块 12: 终极转化 CTA */
    .cta-stage-box {
      background: linear-gradient(135deg, #EEF5FC 0%, #E0EEFC 100%);
      border: 1px solid rgba(30, 86, 160, 0.2);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      box-shadow: 0 20px 40px -10px rgba(30, 86, 160, 0.12);
      text-align: center;
      position: relative;
    }
    .cta-form-inline {
      max-width: 640px;
      margin: 32px auto 16px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cta-input {
      flex: 1 1 200px;
      height: 48px;
      border-radius: var(--radius-md);
      border: 1px solid var(--silver-edge);
      padding: 0 16px;
      font-size: 14px;
      background: #FFFFFF;
      color: var(--text-dark);
    }
    .cta-input:focus {
      border-color: var(--primary-blue);
      outline: none;
      box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.15);
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #0F1E36;
      color: #94A3B8;
      padding: 80px 0 32px;
      font-size: 14px;
      border-top: 2px solid var(--gold-rune);
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-column h4 {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 60px;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1023px) {
      .content-section {
        padding: 72px 0;
      }
      .hero-h1 {
        font-size: 36px;
      }
      .section-title {
        font-size: 28px;
      }
    }
    @media (max-width: 639px) {
      .content-section {
        padding: 48px 0;
      }
      .hero-wrap {
        padding: 48px 0 60px;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .hero-meta-points {
        grid-template-columns: 1fr;
      }
      .nav-actions .live-status {
        display: none;
      }
      .main-nav-links {
        display: none;
      }
      .cta-stage-box {
        padding: 36px 20px;
      }
      .stat-number {
        font-size: 32px;
      }
    }

/* roulang page: category1 */
:root {
      --primary-blue: #1E56A0;
      --accent-blue: #166FE5;
      --sky-light: #F7FAFD;
      --card-bg: #FFFFFF;
      --alt-bg: #EEF5FC;
      --text-dark: #0F172A;
      --text-slate: #334155;
      --text-muted: #64748B;
      --gold-rune: #D4AF37;
      --silver-edge: rgba(30, 86, 160, 0.12);
      --card-shadow: 0 16px 36px -12px rgba(30, 86, 160, 0.09);
      --card-hover-shadow: 0 24px 48px -10px rgba(22, 111, 229, 0.16);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 14px;
      --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--sky-light);
      color: var(--text-slate);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: var(--primary-blue);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover, a:focus {
      color: var(--accent-blue);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 顶部通栏通知胶囊 */
    .top-notice-strip {
      background: #0F1E36;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-notice-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .notice-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(212, 175, 55, 0.18);
      color: #F8E7A2;
      padding: 2px 10px;
      border-radius: 20px;
      border: 1px solid rgba(212, 175, 55, 0.4);
      font-size: 12px;
      font-weight: 600;
    }

    /* 主导航 */
    .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(--silver-edge);
      box-shadow: 0 4px 20px rgba(15, 30, 54, 0.04);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .emblem-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary-blue) 0%, #0F2B5C 100%);
      border: 1.5px solid var(--gold-rune);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }
    .emblem-inner {
      color: #FFFFFF;
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -0.5px;
    }
    .brand-text-block {
      display: flex;
      flex-direction: column;
    }
    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: 0.5px;
      line-height: 1.2;
    }
    .brand-subtitle {
      font-size: 10px;
      color: var(--text-muted);
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }
    .main-nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      gap: 28px;
    }
    .main-nav-links a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-slate);
      padding: 6px 0;
      position: relative;
    }
    .main-nav-links a:hover,
    .main-nav-links a.active {
      color: var(--primary-blue);
    }
    .main-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-blue);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .live-status {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: #059669;
      font-weight: 600;
      background: rgba(16, 185, 129, 0.08);
      padding: 4px 10px;
      border-radius: 20px;
      border: 1px solid rgba(16, 185, 129, 0.2);
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
    }

    /* 按钮规范 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
      color: #FFFFFF !important;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 20px -5px rgba(22, 111, 229, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
      text-decoration: none;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px -5px rgba(22, 111, 229, 0.45);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      color: var(--primary-blue) !important;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--silver-edge);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
      transition: var(--transition);
      text-decoration: none;
    }
    .btn-secondary:hover {
      background: var(--sky-light);
      border-color: var(--primary-blue);
      transform: translateY(-2px);
    }

    /* 板块通用间距与标题 */
    .content-section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background: var(--alt-bg);
      border-top: 1px solid rgba(30, 86, 160, 0.06);
      border-bottom: 1px solid rgba(30, 86, 160, 0.06);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
    }
    .section-pretitle {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-blue);
      letter-spacing: 2px;
      text-transform: uppercase;
      display: inline-block;
      margin-bottom: 8px;
      border-bottom: 1px solid var(--gold-rune);
      padding-bottom: 4px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.5px;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto;
      line-height: 1.8;
    }

    /* 切角质感卡片基类 */
    .rune-card {
      background: var(--card-bg);
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      padding: 32px;
      position: relative;
      transition: var(--transition);
      height: 100%;
    }
    .rune-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 14px;
      height: 14px;
      border-top: 2px solid var(--gold-rune);
      border-right: 2px solid var(--gold-rune);
      border-top-right-radius: var(--radius-md);
      opacity: 0.7;
    }
    .rune-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(30, 86, 160, 0.25);
    }

    /* 分类头图与筛选器 */
    .category-hero {
      padding: 72px 0 54px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F6FD 100%);
      border-bottom: 1px solid var(--silver-edge);
      position: relative;
    }
    .category-h1 {
      font-size: 38px;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .category-summary {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .filter-group-wrap {
      margin-top: 24px;
      padding: 24px;
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }
    .filter-row:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-blue);
      width: 80px;
      flex-shrink: 0;
    }
    .filter-chip {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      border-radius: 20px;
      background: var(--sky-light);
      color: var(--text-slate);
      border: 1px solid rgba(30, 86, 160, 0.1);
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-chip.active,
    .filter-chip:hover {
      background: var(--primary-blue);
      color: #FFFFFF;
      border-color: var(--primary-blue);
    }

    /* 样片卡片流 */
    .video-sample-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
    }
    .video-sample-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(30, 86, 160, 0.25);
    }
    .video-thumb-box {
      position: relative;
      aspect-ratio: 16 / 9;
      background: #0B192C;
      overflow: hidden;
    }
    .video-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .video-sample-card:hover .video-thumb-box img {
      transform: scale(1.05);
    }
    .thumb-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .thumb-duration {
      position: absolute;
      bottom: 12px;
      right: 12px;
      background: rgba(0, 0, 0, 0.75);
      color: #FFFFFF;
      font-size: 11px;
      font-family: monospace;
      padding: 2px 6px;
      border-radius: 3px;
    }
    .video-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .video-card-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .video-card-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .video-tech-tags {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }
    .tech-tag {
      font-size: 11px;
      font-weight: 600;
      background: var(--sky-light);
      color: var(--primary-blue);
      border: 1px solid rgba(30, 86, 160, 0.15);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .video-card-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid rgba(30, 86, 160, 0.08);
      padding-top: 14px;
    }
    .client-industry {
      font-size: 12px;
      color: #64748B;
    }
    .card-detail-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-blue);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .card-detail-link:hover {
      color: var(--accent-blue);
    }

    /* 属性参数表格看板 */
    .specs-panel-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      overflow-x: auto;
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
      text-align: left;
    }
    .specs-table th {
      background: #F1F6FD;
      color: var(--text-dark);
      font-size: 14px;
      font-weight: 700;
      padding: 16px 20px;
      border-bottom: 2px solid var(--silver-edge);
      white-space: nowrap;
    }
    .specs-table td {
      padding: 18px 20px;
      font-size: 14px;
      color: var(--text-slate);
      border-bottom: 1px solid rgba(30, 86, 160, 0.06);
      line-height: 1.6;
    }
    .specs-table tr:hover td {
      background-color: var(--sky-light);
    }
    .specs-badge-highlight {
      display: inline-block;
      background: rgba(22, 111, 229, 0.08);
      color: var(--primary-blue);
      font-weight: 700;
      font-size: 12px;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid rgba(30, 86, 160, 0.2);
    }

    /* 区域协同调度 */
    .geo-hub-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      padding: 28px;
      height: 100%;
      position: relative;
    }
    .hub-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-blue);
      background: var(--sky-light);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
      border: 1px solid rgba(30, 86, 160, 0.1);
    }
    .hub-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .hub-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .hub-meta {
      font-size: 12px;
      color: #64748B;
      padding-top: 10px;
      border-top: 1px dashed rgba(30, 86, 160, 0.15);
    }

    /* 评审标准流程条带 */
    .eval-strip-card {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      padding: 24px;
      margin-bottom: 16px;
      display: flex;
      align-items: flex-start;
      gap: 20px;
      transition: var(--transition);
    }
    .eval-strip-card:hover {
      border-color: var(--primary-blue);
      transform: translateX(4px);
    }
    .eval-num {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
      color: #FFFFFF;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      flex-shrink: 0;
      box-shadow: 0 4px 12px rgba(22, 111, 229, 0.2);
    }
    .eval-content h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .eval-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 分类专用问答卡片 */
    .faq-card-box {
      background: #FFFFFF;
      border: 1px solid var(--silver-edge);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
      padding: 28px;
      height: 100%;
    }
    .faq-q-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .faq-q-title::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: var(--sky-light);
      color: var(--primary-blue);
      border-radius: 4px;
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(30, 86, 160, 0.2);
    }
    .faq-a-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 专属收尾 CTA */
    .category-cta-section {
      padding: 80px 0;
      background: linear-gradient(135deg, #FFFFFF 0%, #EEF5FC 100%);
      border-top: 1px solid var(--silver-edge);
    }
    .category-cta-box {
      background: #FFFFFF;
      border: 1px solid rgba(30, 86, 160, 0.15);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      padding: 56px 48px;
      position: relative;
      overflow: hidden;
    }
    .category-cta-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: linear-gradient(180deg, var(--gold-rune) 0%, var(--primary-blue) 100%);
    }

    /* 页脚样式 */
    .site-footer {
      background-color: #0F1E36;
      color: #94A3B8;
      padding: 80px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand-title {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-desc {
      font-size: 14px;
      line-height: 1.8;
      color: #94A3B8;
      margin-bottom: 20px;
    }
    .footer-column h4 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-column h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--gold-rune);
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 14px;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-bottom-bar {
      margin-top: 64px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #64748B;
    }

    /* 响应式媒体查询 */
    @media screen and (max-width: 1023px) {
      .content-section {
        padding: 72px 0;
      }
      .category-h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
    }
    @media screen and (max-width: 639px) {
      .top-notice-strip {
        display: none;
      }
      .content-section {
        padding:48px 0;
      }
      .category-hero {
        padding: 40px 0 32px;
      }
      .category-h1 {
        font-size: 24px;
      }
      .section-title {
        font-size: 22px;
      }
      .nav-actions .live-status {
        display: none;
      }
      .btn-primary, .btn-secondary {
        width: 100%;
        padding: 10px 16px;
        font-size: 14px;
      }
      .main-nav-links {
        gap: 14px;
      }
      .category-cta-box {
        padding: 32px 20px;
      }
      .eval-strip-card {
        flex-direction: column;
        gap: 12px;
      }
    }