/* roulang page: index */
:root {
      --bg-dark: #090d16;
      --bg-dark-card: #111827;
      --bg-light: #ffffff;
      --bg-light-alt: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #334155;
      --text-soft: #64748b;
      --text-inverse: #f8fafc;
      --primary: #10b981;
      --primary-hover: #059669;
      --accent-cyan: #00f2fe;
      --accent-orange: #ff6b00;
      --border-light: #e2e8f0;
      --border-dark: #1e293b;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
      --shadow-lg: 0 20px 35px -8px rgba(0,0,0,0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      --max-w: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-muted);
      background-color: var(--bg-light);
      line-height: 1.65;
    }

    body {
      overflow-x: hidden;
      width: 100%;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    button, input, select, textarea {
      font-family: inherit;
      outline: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(9, 13, 22, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-dark);
    }

    .top-bar {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
      color: #94a3b8;
      padding: 8px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .top-info-group {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .top-info-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .main-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.2px;
    }

    .brand-symbol {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #090d16;
      font-weight: 900;
      font-size: 16px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: #cbd5e1;
      padding: 6px 0;
      position: relative;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--accent-cyan);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-cyan);
      transition: var(--transition);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #090d16;
    }

    .btn-primary:hover {
      background: #0ea5e9;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.3);
      color: #ffffff;
    }

    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: var(--accent-orange);
      color: #ffffff;
    }

    .btn-accent:hover {
      background: #ea580c;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px rgba(255, 107, 0, 0.35);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #ffffff;
      font-size: 24px;
      cursor: pointer;
    }

    /* Section 通用规范 */
    .section-wrap {
      padding: 80px 0;
    }

    .section-bg-white {
      background-color: var(--bg-light);
    }

    .section-bg-light {
      background-color: var(--bg-light-alt);
    }

    .section-bg-dark {
      background-color: var(--bg-dark);
      color: var(--text-inverse);
    }

    .section-head {
      margin-bottom: 48px;
    }

    .section-head.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(16, 185, 129, 0.12);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-tag.tag-dark {
      background: rgba(0, 242, 254, 0.15);
      color: var(--accent-cyan);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .section-bg-dark .section-title {
      color: #ffffff;
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-soft);
      line-height: 1.7;
    }

    .section-bg-dark .section-sub {
      color: #94a3b8;
    }

    /* 板块 1: Hero 深色信息面板 */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.15) 0%, rgba(9, 13, 22, 0.98) 70%), url('/assets/images/63720e85f97da706.webp') center/cover no-repeat;
      padding: 90px 0 100px;
      border-bottom: 1px solid var(--border-dark);
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(255, 107, 0, 0.15);
      border: 1px solid rgba(255, 107, 0, 0.35);
      border-radius: 999px;
      color: #ffaa66;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-orange);
      border-radius: 50%;
      box-shadow: 0 0 0 rgba(255, 107, 0, 0.7);
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.7); }
      70% { box-shadow: 0 0 0 10px rgba(255, 107, 0, 0); }
      100% { box-shadow: 0 0 0 0 rgba(255, 107, 0, 0); }
    }

    .hero-title {
      font-size: 40px;
      font-weight: 900;
      color: #ffffff;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 16px;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-metrics-pill {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding: 16px 20px;
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
    }

    .pill-item-val {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-cyan);
    }

    .pill-item-lbl {
      font-size: 12px;
      color: #94a3b8;
      margin-top: 4px;
    }

    /* 右侧 faux 实时榜单面板 */
    .faux-board-card {
      background: rgba(17, 24, 39, 0.92);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(8px);
    }

    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .board-header h3 {
      font-size: 16px;
      color: #ffffff;
      font-weight: 700;
    }

    .board-tag {
      font-size: 11px;
      padding: 3px 8px;
      background: rgba(16, 185, 129, 0.2);
      color: var(--primary);
      border-radius: 4px;
    }

    .board-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .board-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 14px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.04);
      transition: var(--transition);
    }

    .board-row:hover {
      background: rgba(255, 255, 255, 0.07);
      border-color: rgba(0, 242, 254, 0.3);
    }

    .rank-num {
      width: 22px;
      height: 22px;
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      font-size: 12px;
      font-weight: 700;
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: 10px;
    }

    .rank-top1 { background: var(--accent-orange); color: #fff; }
    .rank-top2 { background: var(--accent-cyan); color: #090d16; }
    .rank-top3 { background: var(--primary); color: #090d16; }

    .board-meta {
      flex: 1;
      padding-right: 12px;
    }

    .board-event-name {
      font-size: 13px;
      font-weight: 600;
      color: #f1f5f9;
    }

    .board-event-sub {
      font-size: 11px;
      color: #94a3b8;
    }

    .board-kpi {
      text-align: right;
    }

    .kpi-main {
      font-size: 13px;
      font-weight: 700;
      color: #38bdf8;
    }

    .kpi-sub {
      font-size: 10px;
      color: #10b981;
    }

    /* 板块 2：行业痛点透视区 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pain-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .pain-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: #cbd5e1;
    }

    .pain-status {
      display: inline-block;
      padding: 4px 10px;
      background: #fee2e2;
      color: #dc2626;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .pain-metric-box {
      border-top: 1px dashed var(--border-light);
      padding-top: 14px;
      font-size: 13px;
      color: #b91c1c;
      font-weight: 600;
    }

    /* 板块 3：全景产品与平台架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .arch-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .arch-specs {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .arch-spec-item {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      background: var(--bg-light-alt);
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
    }

    .spec-icon {
      width: 28px;
      height: 28px;
      background: var(--primary);
      color: #fff;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex-shrink: 0;
      font-weight: 700;
    }

    .spec-text h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .spec-text p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 4：实施步骤进度轴 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .step-number {
      font-size: 28px;
      font-weight: 900;
      color: #e2e8f0;
      margin-bottom: 12px;
      line-height: 1;
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 5：核心优势六宫格 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
    }

    .matrix-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #38bdf8;
      transform: translateY(-3px);
    }

    .matrix-icon-box {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(16, 185, 129, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .matrix-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .matrix-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 6：三大核心产品纵向卡片 */
    .prod-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .prod-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .prod-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }

    .prod-thumb {
      height: 180px;
      overflow: hidden;
    }

    .prod-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .prod-card:hover .prod-thumb img {
      transform: scale(1.05);
    }

    .prod-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .prod-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 12px;
    }

    .prod-chip {
      font-size: 11px;
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    .prod-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .prod-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex: 1;
    }

    /* 板块 7：深色沉浸式案例与核心理念区 */
    .deep-case-box {
      background: radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.08) 0%, rgba(17, 24, 39, 0.95) 80%), url('/assets/images/ff67cd7c0722baa1.webp') center/cover;
      border-radius: var(--radius-lg);
      padding: 50px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: var(--shadow-lg);
    }

    .case-inner-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .case-stat-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .case-stat-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 18px;
      text-align: center;
    }

    .case-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent-cyan);
    }

    .case-lbl {
      font-size: 12px;
      color: #94a3b8;
      margin-top: 4px;
    }

    /* 板块 8：标杆客户成功故事 */
    .story-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      box-shadow: var(--shadow-md);
    }

    .story-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .story-content {
      padding: 40px;display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .story-quote {
      font-size: 15px;
      font-style: italic;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
      position: relative;
    }

    .story-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .story-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #090d16;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .story-meta h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .story-meta span {
      font-size: 12px;
      color: var(--text-soft);
    }

    /* 板块 9：全域成果数据统计条 */
    .stats-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .stat-box {
      padding: 24px;
      border-right: 1px solid var(--border-light);
    }

    .stat-box:last-child {
      border-right: none;
    }

    .stat-val {
      font-size: 38px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .stat-val span {
      color: var(--primary);
      font-size: 24px;
    }

    .stat-title {
      font-size: 13px;
      color: var(--text-soft);
      font-weight: 500;
    }

    /* 板块 10：生态客户与合伙人评价 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .review-stars {
      color: #f59e0b;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .review-user-name {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .review-user-corp {
      font-size: 12px;
      color: var(--text-soft);
    }

    /* 板块 11：行业资讯摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .news-card-body {
      padding: 22px;
    }

    .news-meta-row {
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: var(--text-soft);
      margin-bottom: 10px;
    }

    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 12：FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }

    .faq-summary {
      padding: 18px 22px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-summary::-webkit-details-marker {
      display: none;
    }

    .faq-summary::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--primary);
      transition: var(--transition);
    }

    details[open] .faq-summary::after {
      transform: rotate(45deg);
    }

    .faq-answer {
      padding: 0 22px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    /* 板块 13：高转化底部线索表单 */
    .cta-card {
      background: linear-gradient(135deg, #090d16 0%, #111827 100%);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-lg);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .cta-form {
      background: rgba(255, 255, 255, 0.04);
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      color: #cbd5e1;
      margin-bottom: 6px;
      font-weight: 500;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #ffffff;
      font-size: 14px;
      transition: var(--transition);
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.2);
    }

    /* Footer 结构 */
    .site-footer {
      background: #060911;
      color: #94a3b8;
      padding: 60px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #f1f5f9;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a:hover {
      color: var(--accent-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .case-inner-grid, .story-card, .cta-grid {
        grid-template-columns: 1fr;
      }
      .pain-grid, .matrix-grid, .prod-grid, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid, .stats-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #090d16;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-dark);
        display: none;
      }
      .nav-menu.is-active {
        display: flex;
      }
      .header-actions .btn {
        display: none;
      }
      .pain-grid, .matrix-grid, .prod-grid, .review-grid, .news-grid, .steps-grid, .stats-bar-grid, .case-stat-cards {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-metrics-pill {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .deep-case-box {
        padding: 24px;
      }
    }