:root {
      --primary: #3B82F6;
      --primary-light: #EFF6FF;
      --secondary: #64748B;
      --dark: #1E293B;
      --light: #F8FAFC;
    }

    body {
      font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
      color: var(--dark);
      background-color: #FFFFFF;
      line-height: 1.6;
    }

    /* 导航与按钮（与 index 保持一致） */
    .navbar {
      background-color: transparent;
      padding: 20px 0;
      position: sticky;
      top: 0;
      width: 100%;
      z-index: 1000;
    }

    .nav-link { color: #2563EB !important; font-weight: 700; padding: 8px 20px; font-size: 16px; margin-right: 10px; }
    .nav-link:hover { color: #1D4ED8 !important; opacity: 0.8; }
    .nav-link.active { color: #2563EB !important; font-weight: 700; }

    .btn-login { background-color: var(--primary); color: #fff !important; border-radius: 4px; padding: 10px 24px; font-weight: 500; font-size: 16px; text-decoration: none; }
    .btn-login:hover { background-color: #1D4ED8 !important; color: #fff !important; }

    .navbar-toggler { border-color: #3B82F6 !important; }
    .navbar-toggler-icon { background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(59, 130, 246, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important; }
    .navbar-collapse { background: rgba(102, 126, 234, 0.1) !important; border-radius: 8px; margin-top: 10px; padding: 15px; }

    /* 页面头图 */
    .hero {
      background: linear-gradient(180deg, #f6f9ff 0%, #ffffff 100%);
      padding: 80px 0 40px;
    }
    .hero h1 { font-weight: 700; color: #2563EB; margin-bottom: 16px; }
    .hero p { color: #64748B; font-size: 16px; max-width: 720px; }

    /* 产品卡片 */
    .product-section { padding: 60px 0; }
    .product-card {
      background: #fff;
      border: 1px solid #E2E8F0;
      border-radius: 12px;
      padding: 28px;
      height: 100%;
      transition: all 0.3s ease;
    }
    .product-card:hover { box-shadow: 0 10px 25px rgba(0,0,0,0.06); transform: translateY(-4px); }
    .product-card h3 { font-weight: 700; margin: 12px 0 8px; }
    .product-card p { color: #64748B; margin-bottom: 14px; }
    .product-badge { display: inline-block; padding: 6px 12px; background: var(--primary-light); color: var(--primary); border-radius: 999px; font-size: 12px; font-weight: 600; }

    .feature-list { list-style: none; padding-left: 0; margin: 0; }
    .feature-list li { position: relative; padding-left: 20px; margin-bottom: 10px; color: #475569; }
    .feature-list li:before { content: "•"; position: absolute; left: 4px; color: #3B82F6; font-weight: bold; }

    /* 页脚（与 index 保持一致） */
    footer { background-color: var(--primary); color: #fff; padding: 40px 0 20px; }
    footer h5 { font-weight: 600; margin-bottom: 20px; }
    footer ul { list-style: none; padding: 0; }
    footer a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 14px; }
    footer a:hover { color: #fff; text-decoration: underline; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; margin-top: 40px; font-size: 14px; color: rgba(255,255,255,0.8); }

    /* 云端教学详情区 */
    .jx-detail-section { padding: 70px 0 60px; background: #f0f6ff; }
    .jx-section-eyebrow { display: inline-block; padding: 4px 14px; background: #DBEAFE; color: #2563EB; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .05em; margin-bottom: 12px; }
    .jx-section-title { font-size: 1.85rem; font-weight: 800; color: #1E293B; line-height: 1.3; margin-bottom: 10px; }
    .jx-section-sub { color: #475569; font-size: 15px; max-width: 780px; line-height: 1.8; }

    .jx-module-card { background: #fff; border-radius: 14px; padding: 28px 24px 24px; height: 100%; border-top: 4px solid transparent; transition: box-shadow .25s, transform .25s; }
    .jx-module-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.08); transform: translateY(-4px); }
    .jx-module-card.blue  { border-top-color: #3B82F6; }
    .jx-module-card.green { border-top-color: #10B981; }
    .jx-module-card.orange{ border-top-color: #F59E0B; }
    .jx-module-card.purple{ border-top-color: #8B5CF6; }

    .jx-module-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 14px; }
    .jx-module-icon.blue   { background: #EFF6FF; color: #3B82F6; }
    .jx-module-icon.green  { background: #ECFDF5; color: #10B981; }
    .jx-module-icon.orange { background: #FFFBEB; color: #F59E0B; }
    .jx-module-icon.purple { background: #F5F3FF; color: #8B5CF6; }

    .jx-module-card h4 { font-size: 1.05rem; font-weight: 700; color: #1E293B; margin-bottom: 4px; }
    .jx-module-card .jx-pain { font-size: 13px; color: #64748B; margin-bottom: 12px; }
    .jx-module-card ul { list-style: none; padding: 0; margin: 0 0 14px; }
    .jx-module-card ul li { position: relative; padding-left: 18px; font-size: 14px; color: #475569; margin-bottom: 7px; }
    .jx-module-card ul li::before { content: "✓"; position: absolute; left: 0; font-weight: 700; }
    .jx-module-card.blue   ul li::before { color: #3B82F6; }
    .jx-module-card.green  ul li::before { color: #10B981; }
    .jx-module-card.orange ul li::before { color: #F59E0B; }
    .jx-module-card.purple ul li::before { color: #8B5CF6; }
    .jx-module-tag { display: inline-block; padding: 5px 12px; border-radius: 6px; font-size: 13px; font-weight: 600; }
    .jx-module-tag.blue   { background: #EFF6FF; color: #2563EB; }
    .jx-module-tag.green  { background: #ECFDF5; color: #059669; }
    .jx-module-tag.orange { background: #FFFBEB; color: #D97706; }
    .jx-module-tag.purple { background: #F5F3FF; color: #7C3AED; }

    /* 效果数据区 */
    .jx-metrics-section { padding: 60px 0; background: #1E293B; }
    .jx-metrics-section .section-label { color: #93C5FD; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
    .jx-metrics-section h2 { color: #fff; font-size: 1.7rem; font-weight: 800; margin-bottom: 10px; }
    .jx-metrics-section .sub { color: #94A3B8; font-size: 14px; }
    .jx-stat-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; padding: 28px 20px; text-align: center; }
    .jx-stat-num { font-size: 2.4rem; font-weight: 800; line-height: 1; margin-bottom: 8px; }
    .jx-stat-desc { color: #CBD5E1; font-size: 13px; line-height: 1.6; }
    .jx-stat-card:nth-child(1) .jx-stat-num { color: #60A5FA; }
    .jx-stat-card:nth-child(2) .jx-stat-num { color: #34D399; }
    .jx-stat-card:nth-child(3) .jx-stat-num { color: #FBBF24; }
    .jx-stat-card:nth-child(4) .jx-stat-num { color: #A78BFA; }

    @media (max-width: 991.98px) {
      .navbar { background-color: #fff; padding: 10px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
      .navbar-collapse { background: #fff !important; box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
      .nav-link { padding: 12px 20px; border-bottom: 1px solid rgba(0,0,0,0.05); font-weight: 700 !important; }
      .nav-link:last-child { border-bottom: none; }
      .hero { padding: 56px 0 32px; }
      .jx-section-title { font-size: 1.45rem; }
      .jx-stat-num { font-size: 1.9rem; }
    }



/* Extracted inline style attributes */
.product-inline-style-1 { color:#334155;font-size:14px;margin-bottom:14px; }
.product-inline-style-2 { background:#F0F9FF;border-radius:8px;padding:12px 16px;margin-bottom:16px; }
.product-inline-style-3 { font-size:13px;color:#0369A1;font-weight:600; }
.product-inline-style-4 { font-size:12px;color:#64748B; }
.product-inline-style-5 { background:#f8fafc; }
.product-inline-style-6 { color:#64748B; }
.product-inline-style-7 { font-size:12px; }
.product-inline-style-8 { color:#fff; }
.product-inline-style-9 { font-size: 2.2rem; }
.product-inline-style-10 { max-width: 200px; }