* { margin: 0; padding: 0; box-sizing: border-box; }
        body { background: #f8fafd; font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; color: #1e2a3e; line-height: 1.5; }
        .gradient-top { background: linear-gradient(180deg, #1E5AFE 0%, #6ea5fe 40%, #f8fafd 100%); width: 100%; position: relative; }
        .navbar { background: transparent; backdrop-filter: none; border-bottom: 1px solid rgba(255, 255, 255, 0.3); position: relative; z-index: 10; }
        .nav-flex { display: flex; align-items: center; justify-content: space-between; padding: 12px 40px; flex-wrap: wrap; gap: 16px; max-width: 1400px; margin: 0 auto; }
        .logo-area { display: flex; align-items: center; gap: 12px; text-decoration: none; cursor: pointer; }
        .logo-icon { background: rgba(255, 255, 255, 0.95); width: 44px; height: 44px; border-radius: 22px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
        .logo-icon i { font-size: 24px; color: #1E5AFE; }
        .logo-text h1 { font-size: 1.7rem; font-weight: 800; color: white; text-shadow: 0 1px 2px rgba(0,0,0,0.1); }
        .logo-text span { font-size: 0.65rem; font-weight: 500; background: rgba(255,255,255,0.25); padding: 2px 12px; border-radius: 30px; color: white; }
        .nav-search { flex: 1; max-width: 400px; margin: 0 20px; }
        .search-small { background: white; border-radius: 40px; display: flex; align-items: center; border: 1px solid rgba(255,255,255,0.5); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
        .search-small input { flex: 1; padding: 8px 16px; border: none; background: transparent; font-size: 0.85rem; outline: none; }
        .search-small button { background: #1E5AFE; border: none; margin: 4px; padding: 6px 20px; border-radius: 40px; color: white; font-weight: 500; font-size: 0.8rem; cursor: pointer; }
        .nav-links { display: flex; gap: 24px; align-items: center; }
        .nav-links a { text-decoration: none; font-weight: 500; color: white; transition: 0.2s; font-size: 0.9rem; }
        .nav-links a:hover { color: #ffefb9; }
        .btn-outline { background: rgba(255,255,255,0.15); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.5); padding: 6px 16px; border-radius: 40px; font-weight: 500; font-size: 0.85rem; color: white; cursor: pointer; }
        .btn-primary { background: white; border: none; padding: 6px 20px; border-radius: 40px; color: #1E5AFE; font-weight: 600; font-size: 0.85rem; box-shadow: 0 4px 10px -4px rgba(0,0,0,0.1); cursor: pointer; }
        .detail-header { max-width: 1320px; margin: 0 auto; padding: 40px 36px 30px; }
        .breadcrumb { margin-bottom: 24px; font-size: 0.85rem; color: rgba(255,255,255,0.8); }
        .breadcrumb a { color: white; text-decoration: none; }
        .software-intro { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
        .soft-icon { width: 120px; height: 120px; background: white; border-radius: 28px; display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 24px -8px rgba(0,0,0,0.1); flex-shrink: 0; }
        .soft-icon img { width: 80px; height: 80px; object-fit: contain; }
        .soft-info { flex: 1; }
        .soft-name { font-size: 2.5rem; font-weight: 800; color: white; text-shadow: 0 1px 2px rgba(0,0,0,0.1); margin-bottom: 8px; }
        .soft-meta { display: flex; flex-wrap: wrap; gap: 20px; margin: 12px 0; color: rgba(255,255,255,0.85); font-size: 0.85rem; }
        .soft-rating { display: flex; align-items: center; gap: 8px; background: rgba(0,0,0,0.2); padding: 4px 12px; border-radius: 30px; }
        .stars { color: #ffc107; }
        .download-area { margin-top: 20px; display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-download { background: white; color: #1E5AFE; border: none; padding: 12px 32px; border-radius: 40px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: 0.2s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
        .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
        .content-wrapper { background: white; border-radius: 48px 48px 0 0; margin-top: -8px; position: relative; z-index: 2; padding-top: 20px; }
        .detail-container { max-width: 1320px; margin: 0 auto; padding: 0 36px 60px; }
        .detail-grid { display: flex; flex-wrap: wrap; gap: 48px; }
        .main-content { flex: 2; min-width: 280px; }
        .sidebar { flex: 1; min-width: 260px; }
        .section-card { background: white; border-radius: 24px; border: 1px solid #eef2f8; padding: 28px; margin-bottom: 32px; box-shadow: 0 4px 12px rgba(0,0,0,0.02); transition: transform 0.2s, box-shadow 0.2s; }
        .section-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px -8px rgba(0,0,0,0.1); }
        .section-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; color: #1a3363; position: relative; padding-left: 16px; }
        .section-card h3::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 24px; background: linear-gradient(to bottom, #1E5AFE, #3b82f6); border-radius: 2px; }
        .intro-text { color: #4a5a72; line-height: 1.7; margin-bottom: 20px; }
        .feature-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .feature-list li { display: flex; align-items: center; gap: 12px; background: #f8fafd; padding: 8px 12px; border-radius: 16px; transition: 0.2s; }
        .feature-list li:hover { background: #eef4fe; }
        .feature-list li i { color: #1E5AFE; font-size: 1.1rem; width: 24px; }
        .sys-req-item { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #eef2f8; }
        .sys-req-label { font-weight: 600; color: #2c3e50; }
        .carousel-container { position: relative; width: 100%; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 20px rgba(0,0,0,0.08); margin-top: 16px; }
        .carousel-slides { display: flex; transition: transform 0.4s ease-in-out; }
        .carousel-slide { flex: 0 0 100%; width: 100%; }
        .carousel-slide img { width: 100%; display: block; background: #f0f2f5; }
        .carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.5); color: white; border: none; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s; z-index: 10; }
        .carousel-btn:hover { background: rgba(0,0,0,0.8); }
        .carousel-btn.prev { left: 12px; }
        .carousel-btn.next { right: 12px; }
        .carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
        .dot { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; cursor: pointer; transition: background 0.2s; }
        .dot.active { background: #1E5AFE; width: 20px; border-radius: 4px; }
        .recommend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
        .recommend-item { background: #f8fafd; border-radius: 16px; padding: 12px; text-align: center; transition: 0.2s; text-decoration: none; color: inherit; }
        .recommend-item:hover { background: #eef4fe; transform: translateY(-2px); }
        .recommend-item img { width: 48px; height: 48px; margin-bottom: 8px; object-fit: contain; }
        .recommend-item span { display: block; font-size: 0.85rem; font-weight: 500; }
        footer { background: #0b1b2f; border-radius: 40px 40px 0 0; margin-top: 20px; padding: 46px 0 32px; }
        .footer-container { max-width: 1320px; margin: 0 auto; padding: 0 36px; }
        .footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 45px; margin-bottom: 40px; }
        .footer-col h4 { color: white; margin-bottom: 18px; font-weight: 600; }
        .footer-col a, .footer-col p { color: #b8cef0; text-decoration: none; display: block; margin: 8px 0; font-size: 0.85rem; cursor: pointer; }
        .footer-col a:hover { color: white; }
        .copyright { text-align: center; border-top: 1px solid #203c58; padding-top: 28px; font-size: 0.75rem; color: #7f9bc0; }
        @media (max-width: 900px) {
            .detail-grid { flex-direction: column; }
            .soft-icon { width: 80px; height: 80px; }
            .soft-icon img { width: 50px; height: 50px; }
            .soft-name { font-size: 1.8rem; }
            .nav-flex { padding: 12px 24px; }
            .detail-header { padding: 20px 24px 30px; }
            .feature-list { grid-template-columns: 1fr; }
            .carousel-btn { width: 28px; height: 28px; }
            .recommend-grid { grid-template-columns: repeat(2, 1fr); }
        }