/* roulang page: index */
/* CSS 设计变量系统 */
    :root {
      --primary: #0F4C81;
      --primary-light: #1E6BB8;
      --accent: #10B981;
      --accent-hover: #059669;
      --warning: #F59E0B;
      --dark-slate: #0F172A;
      --dark-surface: #1E293B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 6px -1px rgba(15, 76, 129, 0.05);
      --shadow-card: 0 10px 25px -5px rgba(15, 76, 129, 0.08), 0 8px 10px -6px rgba(15, 76, 129, 0.04);
      --shadow-hover: 0 20px 30px -10px rgba(15, 76, 129, 0.15);
      --shadow-btn: 0 4px 14px rgba(16, 185, 129, 0.35);
      --container-max: 1240px;
    }

    /* 基础 Reset 与规范 */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-white);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    ul, ol {
      list-style: none;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      border: none;
      outline: none;
    }

    /* 布局容器与通用间距 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-wrap {
      padding: 96px 0;
      position: relative;
    }
    .section-wrap.bg-alt {
      background-color: var(--bg-light);
    }
    .section-wrap.bg-dark {
      background-color: var(--dark-slate);
      color: #FFFFFF;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 60px;
    }
    .section-header h2 {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
      letter-spacing: -0.02em;
    }
    .section-wrap.bg-dark .section-header h2 {
      color: #FFFFFF;
    }
    .section-header p {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-wrap.bg-dark .section-header p {
      color: #94A3B8;
    }

    /* 药丸徽章组件规范 */
    .pill-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.8125rem;
      font-weight: 600;
      background: rgba(16, 185, 129, 0.1);
      color: var(--accent);
      border: 1px solid rgba(16, 185, 129, 0.25);
      margin-bottom: 16px;
    }
    .pill-badge.badge-blue {
      background: rgba(15, 76, 129, 0.08);
      color: var(--primary);
      border-color: rgba(15, 76, 129, 0.2);
    }
    .pill-badge.badge-warning {
      background: rgba(245, 158, 11, 0.12);
      color: #D97706;
      border-color: rgba(245, 158, 11, 0.3);
    }
    .pill-badge.badge-dark {
      background: rgba(255, 255, 255, 0.12);
      color: #34D399;
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* 按钮组件系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 0.9375rem;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      min-height: 48px;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #FFFFFF;
      box-shadow: var(--shadow-btn);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(16, 185, 129, 0.45);
    }
    .btn-outline {
      border: 1.5px solid var(--border-color);
      background-color: var(--bg-white);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-ghost-white {
      border: 1.5px solid rgba(255, 255, 255, 0.3);
      color: #FFFFFF;
      background: rgba(255, 255, 255, 0.08);
    }
    .btn-ghost-white:hover {
      border-color: #FFFFFF;
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }

    /* 顶部双行导航 (Header) */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-topbar {
      background-color: #0B192C;
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 7px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .header-topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-left, .topbar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .topbar-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .header-navbar {
      padding: 16px 0;
    }
    .header-navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.01em;
    }
    .logo-icon-svg {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-size: 1.1rem;
      font-weight: 900;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 500;
      color: #334155;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .menu-toggle {
      display: none;
      background: transparent;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 首屏大图交互 Banner (板块 1) */
    .hero-section {
      position: relative;
      padding: 110px 0 100px;
      background: linear-gradient(180deg, #F0FDF4 0%, #F8FAFC 100%);
      overflow: hidden;
    }
    .hero-bg-accent {
      position: absolute;
      top: -20%;
      right: -10%;
      width: 650px;
      height: 650px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(15, 76, 129, 0.04) 70%, transparent 100%);
      z-index: 1;
      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: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      color: #0F172A;
      margin-bottom: 22px;
      letter-spacing: -0.03em;
    }
    .hero-content h1 span.gradient-text {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-description {
      font-size: 1.125rem;
      line-height: 1.8;
      color: var(--text-muted);
      margin-bottom: 34px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 40px;
    }
    .hero-metric-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .hero-stage-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .hero-stage-img-wrap {
      border-radius: calc(var(--radius-lg) - 4px);
      overflow: hidden;
      position: relative;
      aspect-ratio: 16/10;
    }
    .hero-stage-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-floating-stat {
      position: absolute;
      bottom: 24px;
      left: 24px;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      padding: 14px 20px;
      border-radius: var(--radius-md);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .floating-stat-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: #34D399;
    }
    .floating-stat-txt {
      font-size: 0.8125rem;
      color: #E2E8F0;
      line-height: 1.3;
    }

    /* 行业痛点对比 (板块 2) */
    .pain-point-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .pain-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }
    .pain-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .pain-card.card-traditional {
      border-top: 4px solid #EF4444;
    }
    .pain-card.card-platform {
      border-top: 4px solid var(--accent);
      background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
    }
    .pain-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pain-list li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 16px;
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .pain-list li::before {
      content: "✕";
      position: absolute;
      left: 0;
      top: 0;
      color: #EF4444;
      font-weight: bold;
    }
    .pain-card.card-platform .pain-list li::before {
      content: "✓";
      color: var(--accent);
    }

    /* 平台核心架构与解决方案 (板块 3) */
    .solution-split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .solution-visual {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .solution-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .solution-detail-list {
      display: grid;
      gap: 20px;
    }
    .solution-item-box {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .solution-item-box h4 {
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .solution-item-box p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 核心优势 六宫格圆角大卡 (板块 4) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(16, 185, 129, 0.4);
    }
    .feature-icon-bar {
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.1875rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .feature-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* 热门产品与场景方案 (板块 5) */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .scenario-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .scenario-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-5px);
    }
    .scenario-card-img {
      position: relative;
      aspect-ratio: 16/9;
      overflow: hidden;
    }
    .scenario-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .scenario-card:hover .scenario-card-img img {
      transform: scale(1.05);
    }
    .scenario-card-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .scenario-card-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .scenario-card-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .scenario-spec-tags {
      margin-top: auto;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 0.8125rem;
      color: #475569;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
    }
    .spec-item span.spec-val {
      font-weight: 600;
      color: var(--primary);
    }

    /* 平台运作方法与实施步骤 (板块 6) */
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-number {
      font-size: 2.25rem;
      font-weight: 900;
      color: rgba(15, 76, 129, 0.15);
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 现场调度中心实景理念 (板块 7 - 深色区块) */
    .command-center-wrap {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }
    .command-info h3 {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .command-info p {
      font-size: 1rem;
      line-height: 1.75;
      color: #94A3B8;
      margin-bottom: 30px;
    }
    .command-highlights {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }
    .command-item {
      background: var(--dark-surface);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 18px;
      border-radius: var(--radius-sm);
    }
    .command-item h4 {
      font-size: 0.9375rem;
      color: #34D399;
      margin-bottom: 6px;
    }
    .command-item p {
      font-size: 0.8125rem;
      color: #CBD5E1;
      margin-bottom: 0;
      line-height: 1.5;
    }
    .command-screen {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    /* 用户故事与实战复盘 (板块 8) */
    .story-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }
    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .story-user {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
    }
    .story-avatar {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .story-meta h4 {
      font-size: 1.0625rem;
      font-weight: 700;
    }
    .story-meta span {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }
    .story-card blockquote {
      font-size: 0.9375rem;
      color: #334155;
      line-height: 1.7;
      font-style: normal;
      flex-grow: 1;
      margin-bottom: 20px;
    }
    .story-result-tag {
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 0.8125rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* 成果数据统计条 (板块 9) */
    .stats-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-counter-card {
      text-align: center;
      padding: 32px 20px;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }
    .stat-number {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 8px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .stat-label {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .stat-sub {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 用户评价与主办方推荐 (板块 10) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .testimonial-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }
    .testimonial-text {
      font-size: 0.9375rem;
      color: #475569;
      line-height: 1.7;
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-info h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 体育赛事资讯与操作指南 (板块 11) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-img {
      position: relative;
      aspect-ratio: 16/9;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-body h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .news-extra-details {
      display: none;
      padding-top: 14px;
      margin-top: 14px;
      border-top: 1px dashed var(--border-color);
      font-size: 0.8125rem;
      color: #334155;
      line-height: 1.6;
    }
    .news-expand-btn {
      align-self: flex-start;
      background: none;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 0;
    }

    /* FAQ常见问题手风琴 (板块 12) */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-header {
      padding: 22px 28px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
      user-select: none;
    }
    .faq-header h3 {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-body {
      padding: 0 28px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #F8FAFC;
      font-size: 0.9375rem;
      color: #475569;
      line-height: 1.7;
    }
    .faq-item.active .faq-header {
      background: #F0FDF4;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-item.active .faq-body {
      padding: 20px 28px;
      max-height: 250px;
    }

    /* 底部核心转化 CTA (板块 13) */
    .cta-card-box {
      background: linear-gradient(135deg, #0F4C81 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-info h2 {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #FFFFFF;
    }
    .cta-info p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-trust-items {
      display: flex;
      gap: 20px;
      font-size: 0.8125rem;
      color: #94A3B8;
    }
    .cta-form {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-md);
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.8125rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }
    .form-input {
      width: 100%;
      height: 44px;
      padding: 8px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.875rem;
      transition: border-color 0.2s;
    }
    .form-input:focus {
      border-color: var(--primary);
    }
    .form-submit-btn {
      width: 100%;
      height: 48px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.9375rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: var(--shadow-btn);
      transition: all 0.3s;
    }
    .form-submit-btn:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    /* 全站页脚 (Footer) */
    .site-footer {
      background-color: #070D18;
      color: #94A3B8;
      padding: 80px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 60px;
    }
    .footer-brand h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 20px;
      font-size: 0.8125rem;
    }
    .footer-col h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-col ul li {
      margin-bottom: 12px;
    }
    .footer-col ul li a {
      color: #94A3B8;
    }
    .footer-col ul li a:hover {
      color: #34D399;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
      color: #64748B;
    }
    .footer-bottom a {
      color: #64748B;
    }
    .footer-bottom a:hover {
      color: #94A3B8;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .solution-split-grid, .command-center-wrap, .cta-card-box {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .features-grid, .scenario-grid, .news-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .header-topbar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-content h1 {
        font-size: 2.15rem;
      }
      .pain-point-grid, .story-grid, .stats-bar-grid, .features-grid, .scenario-grid, .news-grid, .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .steps-timeline {
        grid-template-columns: 1fr;
      }
      .command-highlights {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-box {
        padding: 36px 20px;
      }
      .section-header h2 {
        font-size: 1.85rem;
      }
    }
    @media (max-width: 480px) {
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }
    }