:root {
            --primary: #2563eb; --primary-dark: #1d4ed8; --accent: #f59e0b; --accent-light: #fbbf24;
            --dark: #0f172a; --text: #334155; --text-light: #64748b; --bg: #f8fafc; --card-bg: #ffffff;
            --gradient-start: #2563eb; --gradient-end: #7c3aed;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        nav { background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(0,0,0,0.05); }
        nav .container { display: flex; justify-content: space-between; align-items: center; height: 72px; }
        .logo { font-size: 1.5rem; font-weight: 900; color: var(--primary); letter-spacing: -1px; text-decoration: none; }
        .nav-links { display: flex; gap: 32px; list-style: none; }
        .nav-links a { text-decoration: none; color: var(--text-light); font-weight: 500; font-size: 0.95rem; transition: color 0.3s; }
        .nav-links a:hover, .nav-links a.active { color: var(--primary); }
        .nav-cta { background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); color: white; padding: 10px 24px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: transform 0.3s, box-shadow 0.3s; }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,99,235,0.3); }

        .menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
        .menu-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); border-radius: 2px; transition: all 0.3s; }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
        .mobile-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(0,0,0,0.05); box-shadow: 0 10px 30px rgba(0,0,0,0.08); padding: 16px 24px; }
        .mobile-menu.active { display: block; }
        .mobile-menu a { display: block; padding: 12px 0; text-decoration: none; color: var(--text-light); font-weight: 500; font-size: 1rem; border-bottom: 1px solid rgba(0,0,0,0.04); }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a.active { color: var(--primary); font-weight: 700; }

        .hero { background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%); color: white; padding: 120px 0 100px; position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
        .hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
        .hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.15); }
        .hero h1 { font-size: 3.2rem; font-weight: 900; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
        .hero h1 span { background: linear-gradient(135deg, #60a5fa, #c084fc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .hero-subtitle { font-size: 1.35rem; color: rgba(255,255,255,0.75); margin-bottom: 16px; font-weight: 500; }
        .hero-desc { font-size: 1rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 40px; max-width: 600px; }
        .hero-visual { display: flex; justify-content: center; align-items: center; }
        .hero-illustration { width: 100%; max-width: 480px; border-radius: 20px; object-fit: cover; box-shadow: 0 30px 60px rgba(0,0,0,0.4); }
        .hero-buttons { display: flex; gap: 16px; margin-top: 32px; }
        .btn-primary { background: linear-gradient(135deg, var(--accent), #f97316); color: white; padding: 16px 40px; border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 1.05rem; display: inline-flex; align-items: center; gap: 8px; transition: all 0.3s; border: none; cursor: pointer; }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(245,158,11,0.4); }
        .btn-outline { background: transparent; color: white; padding: 16px 40px; border-radius: 50px; text-decoration: none; font-weight: 600; border: 2px solid rgba(255,255,255,0.3); font-size: 1.05rem; transition: all 0.3s; }
        .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: white; }
        .hero-stats { display: flex; gap: 40px; margin-top: 40px; }
        .stat-item h3 { font-size: 2.2rem; font-weight: 900; color: var(--accent-light); line-height: 1; }
        .stat-item p { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

        .section { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 60px; }
        .section-label { display: inline-block; background: rgba(37,99,235,0.1); color: var(--primary); padding: 6px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
        .section-title { font-size: 2.4rem; font-weight: 900; color: var(--dark); margin-bottom: 16px; letter-spacing: -0.5px; }
        .section-desc { font-size: 1.1rem; color: var(--text-light); max-width: 640px; margin: 0 auto; }

        .entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .entry-card { background: var(--card-bg); border-radius: 24px; padding: 40px 32px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); border: 1px solid rgba(0,0,0,0.04); transition: all 0.3s; text-decoration: none; color: inherit; display: flex; flex-direction: column; }
        .entry-card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(0,0,0,0.12); }
        .entry-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.8rem; }
        .entry-card:nth-child(1) .entry-icon { background: linear-gradient(135deg, #dbeafe, #bfdbfe); }
        .entry-card:nth-child(2) .entry-icon { background: linear-gradient(135deg, #d1fae5, #a7f3d0); }
        .entry-card:nth-child(3) .entry-icon { background: linear-gradient(135deg, #fef2f2, #fee2e2); }
        .entry-card:nth-child(4) .entry-icon { background: linear-gradient(135deg, #fef3c7, #fde68a); }
        .entry-card:nth-child(5) .entry-icon { background: linear-gradient(135deg, #f0f4f8, #e2e8f0); }
        .entry-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
        .entry-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; flex: 1; }
        .entry-arrow { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; color: var(--primary); font-weight: 600; font-size: 0.95rem; }
        .entry-card:hover .entry-arrow { gap: 10px; }

        .entry-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
        .entry-wide .entry-card { flex-direction: row; padding: 32px; }
        .entry-wide .entry-icon { margin-bottom: 0; flex-shrink: 0; }
        .entry-wide .entry-body { flex: 1; }

        .about-section { background: linear-gradient(135deg, #f0f4f8, #f8f5f0); }
        .about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .about-img { width: 100%; border-radius: 20px; box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
        .about-text h3 { font-size: 1.6rem; font-weight: 900; color: var(--dark); margin-bottom: 16px; }
        .about-text p { font-size: 1rem; color: var(--text-light); line-height: 1.9; margin-bottom: 16px; }

        .cta-section { background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); color: white; padding: 80px 0; text-align: center; }
        .cta-section h2 { font-size: 2.4rem; font-weight: 900; margin-bottom: 16px; }
        .cta-section p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 32px; }
        .cta-btn { background: white; color: var(--primary); padding: 18px 50px; border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 1.1rem; display: inline-block; transition: all 0.3s; }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(0,0,0,0.2); }

        footer { background: var(--dark); color: rgba(255,255,255,0.5); padding: 40px 0; text-align: center; font-size: 0.9rem; }

        @media (max-width: 900px) {
            .hero-grid, .about-wrap, .entry-grid { grid-template-columns: 1fr; }
            .entry-wide { grid-template-columns: 1fr; }
            .entry-wide .entry-card { flex-direction: column; }
            .entry-wide .entry-icon { margin-bottom: 20px; }
            .hero h1 { font-size: 2rem; }
            .hero-subtitle { font-size: 1.1rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-stats { flex-wrap: wrap; gap: 24px; }
            .stat-item h3 { font-size: 1.8rem; }
            .nav-links { display: none; }
            .menu-toggle { display: flex; }
            .nav-cta { display: none; }
            .mobile-menu .nav-cta-mobile { display: block; background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); color: white; text-align: center; padding: 12px; border-radius: 50px; margin-top: 12px; border: none; }
            .section-title { font-size: 1.8rem; }
            .section { padding: 60px 0; }
            .section-header { margin-bottom: 40px; }
            .hero-buttons { flex-direction: column; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
            .entry-grid { gap: 16px; }
            .entry-card { padding: 28px 24px; }
        }
        @media (max-width: 600px) {
            .hero { padding: 80px 0 60px; }
            .hero h1 { font-size: 1.7rem; }
            .section-title { font-size: 1.5rem; }
            .section-label { font-size: 0.8rem; }
            .container { padding: 0 16px; }
            .hero-stats { gap: 16px; }
            .stat-item h3 { font-size: 1.5rem; }
            .stat-item p { font-size: 0.8rem; }
            .entry-card h3 { font-size: 1.1rem; }
            .entry-card p { font-size: 0.9rem; }
            .about-text h3 { font-size: 1.3rem; }
            .cta-section h2 { font-size: 1.8rem; }
            .cta-section p { font-size: 1rem; }
        }