:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#4f46e5;--accent-color:#10b981;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#475569;--text-light:#94a3b8;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);--font-sans:"Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}a{color:var(--primary-color);transition:var(--transition-smooth);text-decoration:none}a:hover{color:var(--primary-hover)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.lang-bar{border-bottom:1px solid var(--border-color);background-color:#f1f5f9;width:100%;padding:8px 0;font-size:12px}.lang-bar-container{white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none;flex-wrap:nowrap;justify-content:flex-start;align-items:center;gap:12px;width:100%;padding:4px 24px;display:flex;overflow-x:auto}.lang-bar-container::-webkit-scrollbar{background:0 0;height:4px}.lang-bar-container::-webkit-scrollbar-thumb{background:0 0;border-radius:2px}.lang-bar-container:hover{scrollbar-width:thin}.lang-bar-container:hover::-webkit-scrollbar{background:#e2e8f0}.lang-bar-container:hover::-webkit-scrollbar-thumb{background:#cbd5e1}.lang-bar a{color:var(--text-muted);white-space:nowrap;border-radius:4px;padding:2px 6px;display:inline-block}.lang-bar a:hover{color:var(--primary-color);background-color:#e2e8f0}.site-header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);padding:20px 0}.header-container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.logo-area{align-items:center;gap:12px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;width:40px;height:40px;box-shadow:var(--shadow-sm);border-radius:10px;justify-content:center;align-items:center;font-size:20px;font-weight:700;display:flex}.logo-text{color:var(--text-main);letter-spacing:-.5px;font-size:22px;font-weight:700}.nav-links{align-items:center;gap:24px;display:flex}.nav-links a{color:var(--text-muted);align-items:center;gap:4px;font-size:15px;font-weight:500;display:flex}.nav-links a:hover{color:var(--primary-color)}.nav-links a:after{content:"↗";color:var(--text-light);font-size:11px}.hero{text-align:center;background:radial-gradient(circle at top, #eff6ff 0%, var(--bg-color) 70%);padding:64px 0 48px}.badge{color:#065f46;box-shadow:var(--shadow-sm);background-color:#d1fae5;border-radius:9999px;align-items:center;gap:6px;margin-bottom:20px;padding:6px 14px;font-size:13px;font-weight:600;display:inline-flex}.badge-dot{background-color:var(--accent-color);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 rgba(16,185,129,.7)}70%{transform:scale(1);box-shadow:0 0 0 6px rgba(16,185,129,0)}to{transform:scale(.95);box-shadow:0 0 rgba(16,185,129,0)}}.hero h1{color:var(--text-main);letter-spacing:-1px;margin-bottom:16px;font-size:44px;font-weight:800;line-height:1.2}.hero h1 span{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{color:var(--text-muted);max-width:720px;margin:0 auto 36px;font-size:18px}.cta-group{flex-direction:column;align-items:center;gap:16px;display:flex}.btn{transition:var(--transition-smooth);cursor:pointer;box-shadow:var(--shadow-md);border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:14px 32px;font-size:16px;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:#fff;border:1px solid var(--primary-color)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px -4px rgba(37,99,235,.4)}.download-meta{color:var(--text-light);margin-top:-4px;font-size:13px}.winget-box{color:#f8fafc;box-shadow:var(--shadow-sm);background-color:#1e293b;border:1px solid #334155;border-radius:8px;align-items:center;gap:12px;max-width:100%;margin-top:12px;padding:12px 20px;font-family:monospace;font-size:14px;display:inline-flex}.winget-prompt{color:#38bdf8;-ms-user-select:none;user-select:none}.winget-cmd{color:#f1f5f9}.winget-copy{color:#94a3b8;cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:4px;padding:2px 6px}.winget-copy:hover{color:#fff;background-color:#334155}.ad-wrapper{text-align:center;max-width:1200px;margin:24px auto;padding:0 24px}.ad-box{border:1px dashed var(--border-color);background-color:#f1f5f9;border-radius:8px;justify-content:center;align-items:center;min-height:90px;display:flex;overflow:hidden}.features-section{background-color:var(--card-bg);padding:64px 0}.section-title{text-align:center;letter-spacing:-.5px;margin-bottom:12px;font-size:32px;font-weight:700}.section-subtitle{text-align:center;color:var(--text-muted);max-width:600px;margin:0 auto 48px;font-size:16px}.features-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.feature-card{background-color:var(--bg-color);border:1px solid var(--border-color);transition:var(--transition-smooth);border-radius:16px;flex-direction:column;gap:16px;padding:32px;display:flex}.feature-card:hover{background-color:var(--card-bg);box-shadow:var(--shadow-lg);border-color:#cbd5e1;transform:translateY(-4px)}.feature-icon-wrapper{width:48px;height:48px;color:var(--primary-color);background-color:#dbeafe;border-radius:12px;justify-content:center;align-items:center;margin-bottom:4px;font-size:24px;display:flex}.feature-card h3{color:var(--text-main);font-size:20px;font-weight:600}.feature-card p{color:var(--text-muted);font-size:15px;line-height:1.6}.guide-section{padding:64px 0}.guide-steps{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;margin-top:40px;display:grid}.step-card{background-color:var(--card-bg);border:1px solid var(--border-color);text-align:center;box-shadow:var(--shadow-sm);border-radius:16px;padding:32px 24px;position:relative}.step-number{background-color:var(--secondary-color);color:#fff;width:40px;height:40px;box-shadow:var(--shadow-md);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex;position:absolute;top:-20px;left:50%;transform:translate(-50%)}.step-card h4{margin-top:8px;margin-bottom:12px;font-size:18px;font-weight:600}.step-card p{color:var(--text-muted);font-size:14px}.site-footer{color:#94a3b8;background-color:#0f172a;border-top:1px solid #334155;padding:48px 0 24px;font-size:14px}.footer-grid{border-bottom:1px solid #1e293b;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:32px;margin-bottom:32px;padding-bottom:32px;display:flex}.footer-info{max-width:400px}.footer-info h4{color:#fff;margin-bottom:12px;font-size:18px;font-weight:600}.footer-links{flex-wrap:wrap;gap:48px;display:flex}.footer-link-group h5{color:#fff;margin-bottom:16px;font-size:15px;font-weight:600}.footer-link-group ul{list-style:none}.footer-link-group ul li{margin-bottom:8px}.footer-link-group ul li a{color:#94a3b8;align-items:center;gap:4px;display:inline-flex}.footer-link-group ul li a:hover{color:#fff}.footer-link-group ul li a:after{content:"↗";color:#475569;font-size:10px}.footer-bottom{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer-bottom p{font-size:13px}.footer-meta-links{gap:16px;display:flex}.footer-meta-links a{color:#64748b}.footer-meta-links a:hover{color:#94a3b8}.scenarios-section{background-color:var(--bg-color);padding:64px 0}.scenarios-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:48px;display:grid}.scenario-card{background-color:var(--card-bg);border:1px solid var(--border-color);transition:var(--transition-smooth);border-radius:12px;padding:24px}.scenario-card:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1;transform:translateY(-2px)}.scenario-card h3{color:var(--text-main);align-items:center;gap:8px;margin-bottom:12px;font-size:18px;font-weight:600;display:flex}.scenario-card p{color:var(--text-muted);font-size:14px;line-height:1.6}.faq-list{max-width:800px;margin:0 auto}.faq-item{background-color:var(--card-bg);border:1px solid var(--border-color);border-left:4px solid var(--primary-color);transition:var(--transition-smooth);border-radius:8px;margin-bottom:16px;padding:24px}.faq-item:hover{box-shadow:var(--shadow-sm);border-color:#cbd5e1;border-left-color:var(--primary-hover)}.faq-item h4{color:var(--text-main);margin-bottom:10px;font-size:16px;font-weight:600}.faq-item p{color:var(--text-muted);font-size:14px;line-height:1.6}@media (max-width:768px){.hero h1{font-size:32px}.header-container{text-align:center;flex-direction:column}.nav-links{justify-content:center;width:100%}.footer-grid{text-align:center;flex-direction:column;align-items:center}.footer-links{justify-content:center;gap:24px;width:100%}.footer-bottom{text-align:center;flex-direction:column}}