/* roulang page: index */
:root {
      --primary: #0052D9;
      --primary-hover: #003cab;
      --accent-green: #00A870;
      --accent-orange: #FF7D00;
      --accent-orange-hover: #e06d00;
      --bg-main: #F7F9FC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 12px -2px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 16px 32px -4px rgba(15, 23, 42, 0.12);
      --transition: all 0.25s ease-in-out;
    }

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-body);
      background-color: var(--bg-main);
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部微栏与创作者平台导航 */
    .top-bar {
      background-color: #0B1120;
      color: #94A3B8;
      font-size: 13px;
      padding: 6px 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-links span {
      margin-right: 20px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .main-nav {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      color: var(--primary);
      flex-shrink: 0;
    }
    .nav-brand-icon {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), var(--accent-green));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-channels {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      flex-wrap: nowrap;
    }
    .nav-channels a {
      font-weight: 500;
      color: var(--text-body);
      font-size: 15px;
      padding: 6px 2px;
      position: relative;
    }
    .nav-channels a:hover,
    .nav-channels a.active {
      color: var(--primary);
    }
    .nav-channels a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-shrink: 0;
    }
    .nav-search {
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search input {
      background: #F1F5F9;
      border: 1px solid transparent;
      border-radius: var(--radius-pill);
      padding: 7px 14px 7px 32px;
      font-size: 13px;
      width: 170px;
      transition: var(--transition);
    }
    .nav-search input:focus {
      background: #FFF;
      border-color: var(--primary);
      width: 210px;
    }
    .nav-search-icon {
      position: absolute;
      left: 10px;
      color: var(--text-muted);
      font-size: 13px;
      pointer-events: none;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-weight: 600;
      font-size: 15px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: none;
      transition: var(--transition);
      text-align: center;
      gap: 8px;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFF;
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
    }
    .btn-accent {
      background-color: var(--accent-orange);
      color: #FFF;
      border-radius: var(--radius-pill);
    }
    .btn-accent:hover {
      background-color: var(--accent-orange-hover);
      box-shadow: 0 4px 12px rgba(255, 125, 0, 0.35);
    }
    .btn-outline {
      background-color: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }
    .btn-outline:hover {
      background-color: rgba(0, 82, 217, 0.05);
    }
    .btn-white {
      background-color: #FFF;
      color: var(--text-main);
    }
    .btn-white:hover {
      background-color: #F8FAFC;
    }

    /* Section 通用规范 */
    section {
      padding: 84px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--bg-main);
    }
    .section-white {
      background-color: #FFFFFF;
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-head {
      margin-bottom: 52px;
      max-width: 760px;
    }
    .section-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 82, 217, 0.08);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(255, 255, 255, 0.1);
      color: #38BDF8;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Section 1: Hero 众筹预热目标看板版式 */
    .hero-section {
      padding: 60px 0 80px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      font-weight: 800;
    }
    .hero-lead {
      font-size: 1.05rem;
      line-height: 1.8;
      color: var(--text-body);
      margin-bottom: 30px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .stat-mini-card .val {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
    }
    .stat-mini-card .lbl {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Hero 右侧众筹预热与进度环卡片 */
    .hero-campaign-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .campaign-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #FFF1F0;
      color: #E11D48;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      margin-bottom: 16px;
    }
    .campaign-pulse {
      width: 8px;
      height: 8px;
      background: #E11D48;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.2);
    }
    .campaign-visual {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-bottom: 24px;
      padding: 16px;
      background: #F8FAFC;
      border-radius: var(--radius-md);
    }
    .progress-circle-wrap {
      position: relative;
      width: 104px;
      height: 104px;
      flex-shrink: 0;
    }
    .progress-circle-wrap svg {
      transform: rotate(-90deg);
    }
    .circle-val {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
    }
    .campaign-visual-info h4 {
      font-size: 16px;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .campaign-visual-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .tier-preview-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 22px;
    }
    .tier-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 14px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      transition: var(--transition);
    }
    .tier-item:hover {
      border-color: var(--primary);
      background: #F0F7FF;
    }
    .tier-item span strong {
      color: var(--text-main);
    }
    .tier-tag {
      font-size: 12px;
      color: var(--accent-orange);
      font-weight: 700;
    }

    /* Section 2: 方案体系与技术标准 (Overview) */
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .overview-media {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .overview-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .overview-standard-box {
      margin-top: 24px;
      padding: 18px;
      background: #F0F7FF;
      border-left: 4px solid var(--primary);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .overview-standard-box h4 {
      font-size: 15px;
      color: var(--primary);
      margin-bottom: 4px;
      font-weight: 700;
    }
    .overview-standard-box p {
      font-size: 13.5px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Section 3: 核心能力与关键技术 (6卡片网格) */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .tech-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      position: relative;
    }
    .tech-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93C5FD;
    }
    .tech-card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: #EEF2FF;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .tech-card h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .tech-card-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent-green);
      background: #E8F5E9;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
    }
    .tech-card p {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* Section 4: 热门产品与硬件矩阵 (3大卡片) */
    .grid-1x3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .product-thumb {
      height: 220px;
      overflow: hidden;
      position: relative;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.04);
    }
    .product-body {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-body h3 {
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .product-body p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .product-specs {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13.5px;
      color: var(--text-body);
    }
    .product-specs li strong {
      color: var(--text-main);
    }

    /* Section 5: 数据驱动指标看板 (深色对比中台) */
    .dashboard-panel {
      background: var(--bg-dark-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
    }
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }
    .dash-metric-box {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .dash-metric-title {
      font-size: 13px;
      color: #94A3B8;
      margin-bottom: 8px;
    }
    .dash-metric-val {
      font-size: 1.85rem;
      font-weight: 800;
      color: #38BDF8;
      margin-bottom: 4px;
    }
    .dash-metric-trend {
      font-size: 12px;
      color: var(--accent-green);
    }
    .dash-stream-block {
      background: rgba(15, 23, 42, 0.4);
      border: 1px dashed rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }
    .stream-info h4 {
      font-size: 15px;
      color: #FFF;
      margin-bottom: 4px;
    }
    .stream-info p {
      font-size: 13px;
      color: #94A3B8;
    }

    /* Section 6: 标杆案例与落地理念深度解析 (Deep-case) */
    .case-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 48px;
    }
    .case-split.reverse {
      direction: rtl;
    }
    .case-split.reverse > div {
      direction: ltr;
    }
    .case-photo {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .case-photo img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    .case-text h3 {
      font-size: 1.6rem;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .case-text p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .case-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
      color: #94A3B8;
    }
    .case-points li::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: 800;
      margin-right: 8px;
    }

    /* Section 7: 体育教育与场馆运营用户故事 (User Stories 2列) */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }
    .story-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .story-quote {
      font-size: 15.5px;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 24px;
      position: relative;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .story-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #E2E8F0;
      overflow: hidden;
    }
    .story-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-meta h4 {
      font-size: 15px;
      color: var(--text-main);
    }
    .story-meta span {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Section 8: 数字化实施关键数据统计条 (Milestone Counters) */
    .milestone-bar {
      background: linear-gradient(135deg, #0052D9 0%, #003cab 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 48px 30px;
      box-shadow: var(--shadow-md);
    }
    .milestone-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .milestone-item .num {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .milestone-item .desc {
      font-size: 14.5px;
      color: rgba(255, 255, 255, 0.85);
    }

    /* Section 9: 客户实证与专家评价网格 (3列网格) */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-stars {
      color: #EAB308;
      font-size: 15px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .testimonial-text {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .testimonial-user h4 {
      font-size: 15px;
      color: var(--text-main);
      font-weight: 700;
    }
    .testimonial-user p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Section 10: 行业动态与实践资讯 (In-page News Feed) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      cursor: pointer;
    }
    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-card-date {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-card-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .news-card-action {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Section 11: 平台可靠性与安全保障体系 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .assurance-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .assurance-icon {
      width: 52px;
      height: 52px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: #F0FDF4;
      color: var(--accent-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 900;
    }
    .assurance-box h3 {
      font-size: 1.05rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .assurance-box p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 12: 部署快速解答手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item[open] {
      border-color: #93C5FD;
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: "+";
      font-size: 20px;
      font-weight: 400;
      color: var(--primary);
    }
    .faq-item[open] .faq-summary::after {
      content: "−";
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.8;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    /* Section 13: 方案获取与落地咨询表单 */
    .form-container-card {
      max-width: 860px;
      margin: 0 auto;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-lg);
    }
    .custom-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-group-full {
      grid-column: span 2;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14.5px;
      background: #F8FAFC;
      transition: var(--transition);
    }
    .form-control:focus {
      background: #FFFFFF;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.12);
    }
    .form-checkbox-label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13.5px;
      color: var(--text-muted);
      cursor: pointer;
    }

    /* 页脚 */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 64px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 48px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-col p {
      line-height: 1.75;
      font-size: 13.5px;
      color: #94A3B8;
      margin-bottom: 12px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid,
      .overview-grid,
      .case-split {
        grid-template-columns: 1fr;
      }
      .case-split.reverse {
        direction: ltr;
      }
      .grid-3x2,
      .grid-1x3,
      .news-grid,
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .dashboard-grid,
      .milestone-grid,
      .grid-4,
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-channels {
        display: none;
      }
    }
    @media (max-width: 768px) {
      section {
        padding: 56px 0;
      }
      .hero-content h1 {
        font-size: 2.1rem;
      }
      .grid-3x2,
      .grid-1x3,
      .news-grid,
      .grid-3,
      .dashboard-grid,
      .milestone-grid,
      .grid-4,
      .footer-grid,
      .stories-grid,
      .custom-form {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .hero-stats-row {
        grid-template-columns: 1fr;
      }
      .form-container-card {
        padding: 24px 18px;
      }
      .top-bar-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }