/* roulang page: index */
:root {
      --primary: #FF5500;
      --primary-hover: #E04B00;
      --primary-light: rgba(255, 85, 0, 0.08);
      --accent-green: #00E575;
      --accent-yellow: #FFD000;
      --dark-slate: #0F172A;
      --dark-card: #1E293B;
      --dark-border: #334155;
      --bg-white: #FFFFFF;
      --bg-slate: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .tabular-num {
      font-variant-numeric: tabular-nums;
    }

    /* 顶部双行导航 */
    .top-bar {
      background-color: var(--dark-slate);
      color: var(--text-light);
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-left {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-green);
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-green);
      box-shadow: 0 0 8px var(--accent-green);
    }

    .main-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--dark-slate);
      letter-spacing: -0.5px;
    }
    .brand-logo span {
      color: var(--primary);
    }
    .nav-badge-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), #FF8800);
      color: #FFF;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-weight: 900;
      font-size: 1.1rem;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
      align-items: center;
    }
    .nav-links a {
      font-weight: 500;
      color: var(--text-muted);
      font-size: 0.95rem;
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-links a:hover::after, .nav-links a.active::after {
      width: 100%;
    }
    .nav-btn {
      background-color: var(--primary);
      color: #FFF;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: 0 4px 14px rgba(255, 85, 0, 0.28);
    }
    .nav-btn:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
    }

    /* 章节通用样式 */
    section {
      padding: 90px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.2rem;
      color: var(--text-main);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. HERO 首屏：提问式获客表单流 */
    .hero-section {
      padding: 70px 0 90px;
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: #FFF;
      position: relative;
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.18;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      color: var(--primary);
      text-shadow: 0 0 25px rgba(255, 85, 0, 0.4);
    }
    .hero-lead {
      font-size: 1.08rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 32px;
    }
    .hero-highlight-item {
      border-left: 3px solid var(--primary);
      padding-left: 12px;
    }
    .hero-highlight-item strong {
      display: block;
      font-size: 1.4rem;
      color: #FFF;
    }
    .hero-highlight-item span {
      font-size: 0.82rem;
      color: #94A3B8;
    }

    .hero-form-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
    .hero-form-card h2 {
      font-size: 1.45rem;
      color: #FFF;
      margin-bottom: 8px;
    }
    .hero-form-card p {
      font-size: 0.9rem;
      color: #94A3B8;
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      color: #E2E8F0;
      margin-bottom: 6px;
      font-weight: 500;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      color: #FFF;
      font-size: 0.95rem;
      transition: all 0.2s;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.25);
    }
    .hero-submit-btn {
      width: 100%;
      background: linear-gradient(135deg, var(--primary), #FF7700);
      color: #FFF;
      border: none;
      padding: 14px;
      border-radius: var(--radius-sm);
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(255, 85, 0, 0.35);
      margin-top: 8px;
      transition: all 0.2s;
    }
    .hero-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(255, 85, 0, 0.45);
    }

    /* 2. 赛事分类入口区 (Categories / Scenarios) */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 85, 0, 0.4);
    }
    .scenario-img-box {
      height: 170px;
      position: relative;
      overflow: hidden;
    }
    .scenario-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scenario-card:hover .scenario-img-box img {
      transform: scale(1.05);
    }
    .scenario-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .scenario-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .scenario-body h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scenario-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .scenario-feature-tag {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 3. 精选推荐：软硬件核心形态矩阵 */
    .bg-slate {
      background-color: var(--bg-slate);
    }
    .product-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: #FFF;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .matrix-card.featured {
      border-color: var(--primary);
      box-shadow: 0 12px 30px rgba(255, 85, 0, 0.12);
    }
    .matrix-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .matrix-header {
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
    }
    .matrix-featured-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }
    .matrix-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .matrix-spec {
      font-size: 0.9rem;
      color: var(--primary);
      font-weight: 600;
      margin-top: 4px;
    }
    .matrix-list {
      list-style: none;
      margin-bottom: 24px;
    }
    .matrix-list li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 12px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .matrix-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--accent-green);
      font-weight: bold;
    }
    .matrix-btn {
      display: block;
      text-align: center;
      padding: 10px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--dark-slate);
      font-weight: 600;
      font-size: 0.9rem;
    }
    .matrix-card.featured .matrix-btn, .matrix-btn:hover {
      background-color: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 4. 架构与硬核指标区 (Architecture & Deep Tech) */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }
    .arch-spec-card {
      background: var(--bg-slate);
      border-left: 4px solid var(--primary);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .arch-spec-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark-slate);
      display: block;
    }
    .arch-spec-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 5. 六大核心优势网格区 (Core Features) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      transition: all 0.3s;
    }
    .feature-box:hover {
      border-color: rgba(255, 85, 0, 0.4);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .feature-icon-wrapper {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .feature-box h3 {
      font-size: 1.2rem;
      color: var(--dark-slate);
      margin-bottom: 12px;
    }
    .feature-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 6. 排行榜与性能跑分区 (Leaderboard & Performance Benchmarks) */
    .benchmark-table-box {
      background: #FFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .benchmark-table th {
      background-color: var(--dark-slate);
      color: #FFF;
      padding: 16px 20px;
      font-size: 0.92rem;
      font-weight: 600;
    }
    .benchmark-table td {
      padding: 18px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .benchmark-table tr:last-child td {
      border-bottom: none;
    }
    .benchmark-table tr:hover td {
      background-color: var(--bg-slate);
    }
    .badge-rank {
      display: inline-block;
      width: 24px;
      height: 24px;
      line-height: 24px;
      text-align: center;
      border-radius: 50%;
      font-weight: bold;
      font-size: 0.8rem;
    }
    .rank-1 { background-color: var(--accent-yellow); color: #000; }
    .rank-2 { background-color: #E2E8F0; color: #334155; }
    .rank-3 { background-color: #FED7AA; color: #9A3412; }
    .perf-high { color: var(--accent-green); font-weight: 700; }

    /* 7. 深色高并发实战控制台 (Dark Tech Concept) */
    .dark-console-section {
      background-color: var(--dark-slate);
      color: #FFF;
    }
    .dark-console-section .section-title {
      color: #FFF;
    }
    .dark-console-section .section-desc {
      color: #94A3B8;
    }
    .console-dashboard {
      background: var(--dark-card);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    .console-topbar {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid var(--dark-border);
      padding-bottom: 16px;
      margin-bottom: 24px;
    }
    .console-indicators {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .console-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }
    .console-stat-card {
      background: rgba(15, 23, 42, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 16px;
    }
    .console-stat-card span {
      font-size: 0.82rem;
      color: #94A3B8;
      display: block;
      margin-bottom: 6px;
    }
    .console-stat-card strong {
      font-size: 1.5rem;
      color: var(--accent-yellow);
    }
    .tech-pills {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .tech-pill {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--dark-border);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.85rem;
      color: #CBD5E1;
    }

    /* 8. 典型赛事用户故事与落地实战 (User Stories) */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .story-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #FFF;
      box-shadow: var(--shadow-sm);
    }
    .story-img-wrap {
      height: 220px;
      position: relative;
    }
    .story-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      padding: 28px;
    }
    .story-tag {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .story-body h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--dark-slate);
    }
    .story-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .story-metrics-tag {
      background: var(--bg-slate);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--dark-slate);
      font-weight: 600;
      border-left: 3px solid var(--accent-green);
    }

    /* 9. 关键数据与实战性能统计条 (Metric Counters) */
    .metrics-bar-section {
      background: linear-gradient(90deg, #FF5500 0%, #FF7700 100%);
      color: #FFF;
      padding: 60px 0;
    }
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-counter-item strong {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.1;
      display: block;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .metric-counter-item p {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.9);
      font-weight: 500;
    }

    /* 10. 赛事检录全流程保障示意区 (Process Flow) */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }
    .flow-step-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      position: relative;
      transition: all 0.3s;
    }
    .flow-step-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }
    .step-index {
      width: 34px;
      height: 34px;
      background: var(--dark-slate);
      color: #FFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 16px;
    }
    .flow-step-card:hover .step-index {
      background: var(--primary);
    }
    .flow-step-card h3 {
      font-size: 1.05rem;
      color: var(--dark-slate);
      margin-bottom: 8px;
    }
    .flow-step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 11. 赛事主办方与裁判组评价区 (Testimonials) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .testimonial-quote-icon {
      font-size: 3rem;
      line-height: 1;
      color: #E2E8F0;
      position: absolute;
      top: 16px;
      right: 20px;
      font-family: Georgia, serif;
    }
    .testimonial-stars {
      color: var(--accent-yellow);
      margin-bottom: 14px;
      font-size: 1.1rem;
    }
    .testimonial-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .author-avatar-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }
    .author-info strong {
      display: block;
      font-size: 0.95rem;
      color: var(--dark-slate);
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 12. 赛事动态与行业资讯内嵌区 (News & Insights) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: rgba(255, 85, 0, 0.4);
    }
    .news-img-box {
      height: 180px;
      overflow: hidden;
    }
    .news-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-img-box img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 10px;
    }
    .news-meta .news-tag {
      color: var(--primary);
      font-weight: 700;
    }
    .news-content h3 {
      font-size: 1.12rem;
      color: var(--dark-slate);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 13. 赛事服务保障承诺与生态合作 (Trust & Partners) */
    .trust-badges-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 48px;
    }
    .trust-badge-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      transition: all 0.25s;
    }
    .trust-badge-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .trust-badge-card .badge-icon {
      font-size: 1.8rem;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .trust-badge-card h4 {
      font-size: 1.05rem;
      color: var(--dark-slate);
      margin-bottom: 6px;
    }
    .trust-badge-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .partners-strip {
      border-top: 1px solid var(--border-color);
      padding-top: 36px;
      text-align: center;
    }
    .partners-strip-title {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 20px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .partners-logos-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-item {
      background: var(--bg-slate);
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-sm);
      padding: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* 14. 常见问题解答与技术排障 (FAQ Accordion) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 20px 24px;
      font-weight: 700;
      color: var(--dark-slate);
      font-size: 1.02rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: '+';
      font-size: 1.4rem;
      color: var(--primary);
      font-weight: 400;
      transition: transform 0.2s;
    }
    .faq-item[open] .faq-summary::after {
      content: '−';
      transform: rotate(180deg);
    }
    .faq-answer {
      padding: 0 24px 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }

    /* 15. 底部行动转化表单区 (Bottom CTA / Lead Form) */
    .bottom-cta-section {
      background: radial-gradient(circle at top center, #1E293B 0%, #0F172A 100%);
      color: #FFF;
      padding: 85px 0;
      border-top: 3px solid var(--primary);
    }
    .cta-box-card {
      max-width: 900px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    }
    .cta-box-card h2 {
      font-size: 2.1rem;
      color: #FFF;
      text-align: center;
      margin-bottom: 12px;
    }
    .cta-box-card p {
      font-size: 0.98rem;
      color: #CBD5E1;
      text-align: center;
      margin-bottom: 32px;
    }
    .cta-form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }
    .cta-submit-btn {
      width: 100%;
      background: linear-gradient(135deg, var(--primary), #FF7700);
      color: #FFF;
      border: none;
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 1.1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 10px 25px rgba(255, 85, 0, 0.4);
      transition: all 0.2s;
    }
    .cta-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(255, 85, 0, 0.5);
    }
    .cta-privacy-tip {
      text-align: center;
      font-size: 0.8rem;
      color: #94A3B8;
      margin-top: 14px;
    }

    /* 底部页脚 (Footer) */
    .site-footer {
      background-color: #0B1120;
      color: #94A3B8;
      font-size: 0.9rem;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #FFF;
      font-size: 1.05rem;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background: var(--primary);
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 0.88rem;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-contact-item {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 0.82rem;
      color: #64748B;
    }
    .footer-bottom a {
      color: #94A3B8;
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .product-matrix-grid { grid-template-columns: 1fr; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .flow-steps-grid { grid-template-columns: repeat(3, 1fr); }
      .trust-badges-grid { grid-template-columns: repeat(2, 1fr); }
      .partners-logos-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-grid { grid-template-columns: 1fr; gap: 40px; }
      .arch-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links { display: none; }
      .hero-content h1 { font-size: 2.1rem; }
      .section-title { font-size: 1.75rem; }
      .features-grid { grid-template-columns: 1fr; }
      .story-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .metrics-bar-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .flow-steps-grid { grid-template-columns: 1fr; }
      .console-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-form-row { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .benchmark-table-box { overflow-x: auto; }
      .benchmark-table { min-width: 600px; }
      .cta-box-card { padding: 24px 18px; }
    }