/* roulang page: index */
/* 核心视觉变量体系 */
    :root {
      --primary: #1B382B;         /* 深垒道草场墨绿 */
      --primary-dark: #12261D;    /* 浓缩暗绿 */
      --primary-light: #2A5442;   /* 亮草绿 */
      --accent: #E05A2B;          /* 棒球缝线黏土红 */
      --accent-hover: #C94C20;    /* 交互悬浮黏土红 */
      --bg-main: #F9F9F8;         /* 赛场粉笔骨白 */
      --bg-white: #FFFFFF;
      --bg-alt: #F1F4F2;          /* 浅草灰底色 */
      --dark-surface: #121814;    /* 纯黑深色对比面 */
      --dark-card: #1A221D;       /* 深色卡片背景 */
      --text-main: #1E2420;       /* 高对比炭黑 */
      --text-muted: #5C6560;      /* 中性岩灰 */
      --text-light: #9BA39E;      /* 弱灰文字 */
      --border-light: #E2E6E3;    /* 1px细微线框 */
      --border-dark: #2A362E;
      --shadow-sm: 0 2px 4px rgba(18, 24, 20, 0.04);
      --shadow-md: 0 8px 24px -6px rgba(27, 56, 43, 0.08);
      --shadow-lg: 0 16px 32px -8px rgba(27, 56, 43, 0.12);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 14px;
      --radius-pill: 9999px;
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --container-max: 1200px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* 基础重置 */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
      font-variant-numeric: tabular-nums;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }

    /* 布局容器 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 徽章与标签 */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .badge-primary {
      background-color: rgba(27, 56, 43, 0.08);
      color: var(--primary);
      border: 1px solid rgba(27, 56, 43, 0.15);
    }
    .badge-accent {
      background-color: rgba(224, 90, 43, 0.1);
      color: var(--accent);
      border: 1px solid rgba(224, 90, 43, 0.2);
    }

    /* 按钮系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      min-height: 46px;
      text-align: center;
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(224, 90, 43, 0.25);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(224, 90, 43, 0.35);
    }
    .btn-outline-white {
      background-color: transparent;
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.35);
    }
    .btn-outline-white:hover {
      background-color: rgba(255, 255, 255, 0.1);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
    }
    .btn-primary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    /* 顶部双行集成 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(249, 249, 248, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
    }
    .top-bar {
      background-color: #EAEFEA;
      font-size: 0.8rem;
      color: var(--text-muted);
      border-bottom: 1px solid rgba(27, 56, 43, 0.06);
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .pulse-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: #28A745;
      box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.25);
    }
    .top-bar-links {
      display: flex;
      gap: 20px;
    }
    .top-bar-links a:hover {
      color: var(--primary);
    }

    .main-nav-bar {
      padding: 14px 0;
    }
    .nav-inner {
      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: -0.3px;
    }
    .logo-ball-icon {
      width: 26px;
      height: 26px;
      border: 2px solid var(--accent);
      border-radius: 50%;
      position: relative;
      display: inline-block;
      vertical-align: middle;
    }
    .logo-ball-icon::after {
      content: "";
      position: absolute;
      top: 2px;
      bottom: 2px;
      left: 7px;
      width: 8px;
      border-left: 2px dashed var(--accent);
      border-radius: 50%;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }
    .nav-item a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
      padding: 4px 0;
    }
    .nav-item a:hover {
      color: var(--accent);
    }
    .nav-item a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent);
      transition: var(--transition);
    }
    .nav-item a:hover::after {
      width: 100%;
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--primary);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 板块排版公用规范 */
    .section-wrap {
      padding: 92px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 54px;
    }
    .section-head.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-top: 12px;
      margin-bottom: 16px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 板块1：斜切色块首屏 (Hero) */
    .hero-section {
      background-color: var(--primary);
      color: #FFFFFF;
      position: relative;
      padding: 110px 0 150px;
      clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      opacity: 0.16;
      background-image: url('/assets/images/40de311bf3dcb582.webp');
      background-size: cover;
      background-position: center;
      pointer-events: none;
    }
    .hero-container {
      position: relative;
      z-index: 2;
      max-width: 960px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-section .badge {
      background-color: rgba(255, 255, 255, 0.12);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.25);
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1.22;
      letter-spacing: -1px;
      margin-bottom: 24px;
      color: #FFFFFF;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: #D3DDD7;
      line-height: 1.85;
      max-width: 820px;
      margin: 0 auto 38px;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 18px;
    }

    /* 板块2：服务亮点 (Pain Points & Solutions) */
    .overview-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .comparison-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }
    .comparison-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .card-tag-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .tag-tradition {
      background: #FEECEB;
      color: #C0392B;
    }
    .tag-smart {
      background: #E8F5E9;
      color: #27AE60;
    }
    .comparison-card h3 {
      font-size: 1.3rem;
      color: var(--primary);
      margin-bottom: 14px;
      font-weight: 700;
    }
    .comparison-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .comparison-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .comparison-points li {
      font-size: 0.9rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 板块3：产品核心架构规范 */
    .arch-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-image-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
    }
    .arch-image-wrap img {
      width: 100%;
      height: 420px;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .arch-image-wrap:hover img {
      transform: scale(1.03);
    }
    .spec-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 24px;
    }
    .spec-item {
      display: flex;
      gap: 16px;
    }
    .spec-num {
      width: 36px;
      height: 36px;
      background-color: rgba(27, 56, 43, 0.08);
      color: var(--primary);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .spec-content h4 {
      font-size: 1.05rem;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }
    .spec-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块4：核心优势功能网格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .feature-box {
      background-color: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: var(--transition);
      position: relative;
    }
    .feature-box:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(27, 56, 43, 0.2);
    }
    .feature-icon-bar {
      width: 44px;
      height: 44px;
      background: var(--bg-alt);
      color: var(--accent);
      font-weight: 800;
      font-size: 1.1rem;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .feature-box h3 {
      font-size: 1.15rem;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }
    .feature-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块5：应用场景与版本体系 (时段与规格卡) */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scenario-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .scenario-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .scenario-header {
      padding: 26px 28px;
      background-color: #FAFBFB;
      border-bottom: 1px solid var(--border-light);
    }
    .scenario-header h3 {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .scenario-header .badge {
      margin-top: 6px;
    }
    .scenario-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .scenario-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }
    .scenario-feature-list li {
      font-size: 0.88rem;
      color: var(--text-muted);
      position: relative;
      padding-left: 18px;
    }
    .scenario-feature-list li::before {
      content: "•";
      color: var(--accent);
      font-size: 1.4rem;
      position: absolute;
      left: 0;
      top: -4px;
    }

    /* 板块6：深色理念对比区 (Dark Philosophy) */
    .dark-section {
      background-color: var(--dark-surface);
      color: #FFFFFF;
      padding: 100px 0;
    }
    .dark-inner {
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }
    .dark-inner .badge {
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .dark-inner h2 {
      font-size: 2.3rem;
      color: #FFFFFF;
      margin: 20px 0 24px;
      letter-spacing: -0.5px;
    }
    .dark-inner p {
      font-size: 1.05rem;
      color: #A3AEA7;
      line-height: 1.85;
      margin-bottom: 40px;
    }
    .pillar-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 20px;
    }
    .pillar-card {
      background-color: var(--dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: left;
    }
    .pillar-card h4 {
      font-size: 1.15rem;
      color: #FFFFFF;
      margin-bottom: 8px;
    }
    .pillar-card p {
      font-size: 0.88rem;
      color: #8C9991;
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* 板块7：赛事组织者纪实与交付案例 */
    .case-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .case-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
    }
    .case-media img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    .case-timeline {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 20px;
    }
    .timeline-step {
      position: relative;
      padding-left: 28px;
      border-left: 2px solid var(--border-light);
    }
    .timeline-step::before {
      content: "";
      position: absolute;
      left: -7px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: var(--accent);
      border: 2px solid #FFFFFF;
    }
    .timeline-step h4 {
      font-size: 1.05rem;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .timeline-step p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 板块8：关键数据指标条 (Metrics) */
    .metrics-band {
      background-color: var(--primary-dark);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 0.9rem;
      color: #D3DDD7;
      letter-spacing: 0.5px;
    }

    /* 板块9：专家长评价与裁判口碑 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .review-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #F39C12;
      font-size: 0.95rem;
      margin-bottom: 14px;
    }
    .review-quote {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-dark);
    }
    .reviewer-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块10：资讯与棒球竞赛知识 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-cover {
      height: 200px;
      overflow: hidden;
    }
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .news-card:hover .news-cover img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-content h3 {
      font-size: 1.12rem;
      color: var(--primary-dark);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .news-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块11：常见疑问 FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(27, 56, 43, 0.25);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--primary-dark);
      user-select: none;
    }
    .faq-icon {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.75;
      background-color: #FAFBFB;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 22px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--accent);
      color: #FFFFFF;
    }

    /* 板块12：预约意向表单与行动召唤 (CTA) */
    .cta-card {
      background: var(--primary);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 48px;
      align-items: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .cta-bg-shape {
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 320px;
      height: 320px;
      border: 40px solid rgba(255, 255, 255, 0.04);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-info h2 {
      font-size: 2.2rem;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .cta-info p {
      color: #D3DDD7;
      font-size: 0.98rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
      color: #B2C2B9;
    }
    .cta-perks li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cta-form {
      background: #FFFFFF;
      padding: 34px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      transition: var(--transition);
      background-color: #FAFAFA;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--accent);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(224, 90, 43, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      margin-top: 8px;
    }
    .form-tip {
      font-size: 0.78rem;
      color: var(--text-light);
      text-align: center;
      margin-top: 12px;
    }

    /* 页脚系统 */
    .site-footer {
      background-color: var(--dark-surface);
      color: #9BA39E;
      padding: 80px 0 30px;
      border-top: 1px solid var(--border-dark);
      font-size: 0.88rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand .brand-logo {
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #7D8882;
    }
    .footer-col h4 {
      font-size: 1rem;
      color: #FFFFFF;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col a:hover {
      color: var(--accent);
    }
    .contact-item {
      display: flex;
      gap: 10px;
      margin-bottom: 12px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #636F68;
    }
    .footer-beian {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .overview-grid,
      .arch-wrapper,
      .case-container,
      .cta-card {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .features-grid,
      .scenario-grid,
      .news-grid,
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
      }
      .hero-title {
        font-size: 2.6rem;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-cta {
        display: none;
      }
      .section-wrap {
        padding: 64px 0;
      }
      .features-grid,
      .scenario-grid,
      .news-grid,
      .review-grid,
      .pillar-grid {
        grid-template-columns: 1fr;
      }
      .hero-section {
        padding: 70px 0 100px;
        clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .hero-actions {
        flex-direction: column;
      }
      .cta-card {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }