:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#ec4899;--accent:#f59e0b;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-card:#fff;--bg-gradient-start:#6366f1;--bg-gradient-end:#8b5cf6;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--text-inverse:#fff;--border-color:#e2e8f0;--border-light:#f1f5f9;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-glow:0 0 40px #6366f126;--card-radius:16px;--btn-radius:12px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--primary:#818cf8;--primary-dark:#6366f1;--primary-light:#a5b4fc;--secondary:#f472b6;--accent:#fbbf24;--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--bg-gradient-start:#1e1b4b;--bg-gradient-end:#312e81;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-inverse:#0f172a;--border-color:#334155;--border-light:#1e293b;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006, 0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0006, 0 4px 6px -4px #0000004d;--shadow-xl:0 20px 25px -5px #00000080, 0 8px 10px -6px #0006;--shadow-glow:0 0 60px #6366f140}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}body{background:var(--bg-primary);color:var(--text-primary);transition:var(--transition);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.6;overflow-x:hidden}#app{min-height:100vh}.header{z-index:100;background:var(--bg-primary);border-bottom:1px solid var(--border-light);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:var(--transition);position:fixed;top:0;left:0;right:0}.header.scrolled{box-shadow:var(--shadow-md)}.header-content{justify-content:space-between;align-items:center;max-width:1280px;height:72px;margin:0 auto;padding:0 24px;display:flex}.logo{color:var(--text-primary);align-items:center;gap:12px;text-decoration:none;display:flex}.logo-icon{background:linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));color:#fff;width:40px;height:40px;box-shadow:var(--shadow-md);border-radius:10px;justify-content:center;align-items:center;font-size:18px;font-weight:700;display:flex}.logo-text{background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:700}.nav{align-items:center;gap:8px;display:flex}.nav-link{color:var(--text-secondary);transition:var(--transition);border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--primary);background:var(--bg-secondary)}.nav-link.active{color:var(--primary);background:#6366f11a}.theme-toggle{background:var(--bg-secondary);border:1px solid var(--border-color);cursor:pointer;transition:var(--transition);color:var(--text-secondary);border-radius:12px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;display:flex}.theme-toggle:hover{border-color:var(--primary);color:var(--primary)}.theme-toggle svg{width:18px;height:18px}.hero{text-align:center;background:linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:120px 24px 60px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(#6366f126 0%,#0000 70%);width:100%;max-width:800px;height:500px;position:absolute;top:0;left:50%;transform:translate(-50%)}.hero-content{z-index:1;max-width:800px;margin:auto 0;position:relative}.hero-badge{color:var(--primary);background:#6366f11a;border:1px solid #6366f133;border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:500;display:inline-flex}.hero h1{letter-spacing:-.02em;margin-bottom:20px;font-size:clamp(32px,6vw,56px);font-weight:700;line-height:1.1}.hero h1 span{background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--text-secondary);max-width:600px;margin:0 auto 32px;font-size:clamp(14px,2vw,18px);line-height:1.7}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.btn{border-radius:var(--btn-radius);transition:var(--transition);cursor:pointer;border:none;align-items:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;box-shadow:var(--shadow-md), 0 0 20px #6366f14d}.btn-primary:hover{box-shadow:var(--shadow-lg), 0 0 30px #6366f166;transform:translateY(-2px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}.btn svg{width:20px;height:20px}.main{width:100%}.section{padding:80px 24px}.section-header{text-align:center;margin-bottom:48px}.section-header h2{color:var(--text-primary);margin-bottom:16px;font-size:clamp(28px,4vw,36px);font-weight:700}.section-header p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:clamp(14px,2vw,16px)}.software-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;width:100%;max-width:1200px;margin:0 auto;display:grid}.software-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);transition:var(--transition);padding:32px;position:relative;overflow:hidden}.software-card:before{content:"";background:linear-gradient(90deg, var(--primary), var(--secondary));opacity:0;height:4px;transition:var(--transition);position:absolute;top:0;left:0;right:0}.software-card:hover{box-shadow:var(--shadow-xl);border-color:var(--primary);transform:translateY(-4px)}.software-card:hover:before{opacity:1}.software-header{align-items:flex-start;gap:20px;margin-bottom:24px;display:flex}.software-icon{background:linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));color:#fff;width:72px;height:72px;box-shadow:var(--shadow-md);border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;font-size:32px;font-weight:700;display:flex;overflow:hidden}:root:not([data-theme=dark]) .software-icon{background:#fff;border:1px solid #e5e4e7}.software-icon img{object-fit:contain;border-radius:16px;width:100%;height:100%}.software-icon span{font-size:28px;font-weight:700}.software-info{flex:1;min-width:0}.software-info h3{color:var(--text-primary);margin-bottom:4px;font-size:22px;font-weight:700}.software-version{color:var(--primary);background:#6366f11a;border-radius:6px;margin-bottom:8px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.software-info p{color:var(--text-secondary);font-size:14px;line-height:1.6}.software-features{margin-bottom:24px}.software-features h4{color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:14px;font-weight:600}.feature-list{flex-wrap:wrap;gap:8px;display:flex}.feature-tag{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:flex}.feature-tag svg{width:14px;height:14px;color:var(--primary)}.software-description{background:var(--bg-secondary);border-radius:12px;margin-bottom:24px;padding:20px}.software-description h4{color:var(--text-primary);margin-bottom:12px;font-size:14px;font-weight:600}.software-description p{color:var(--text-secondary);font-size:14px;line-height:1.7}.software-actions{gap:12px;display:flex}.btn-download{flex:1;justify-content:center;padding:14px 24px}.extensions-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;width:100%;max-width:1000px;margin:0 auto;display:grid}.extension-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);text-align:center;transition:var(--transition);color:inherit;padding:28px;text-decoration:none;display:block}.extension-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.extension-icon{color:#fff;border-radius:14px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;font-size:28px;display:flex}.extension-icon.edge{background:linear-gradient(135deg,#0078d4,#00bcf2)}.extension-icon.firefox{background:linear-gradient(135deg,#ff7139,#ff5c00)}.extension-icon.chrome{background:linear-gradient(135deg,#4285f4,#34a853)}.extension-icon svg{width:32px;height:32px}.extension-card h3{color:var(--text-primary);margin-bottom:8px;font-size:18px;font-weight:600}.extension-card p{color:var(--text-secondary);margin-bottom:16px;font-size:14px}.extension-link{color:var(--primary);align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.extension-link svg{width:16px;height:16px}.stats-section{background:linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));border-radius:var(--card-radius);color:#fff;width:100%;max-width:1000px;margin:0 auto;padding:48px}.stats-grid{grid-template-columns:repeat(4,1fr);gap:32px;display:grid}.stat-item{text-align:center}.stat-value{margin-bottom:4px;font-size:clamp(28px,4vw,40px);font-weight:700}.stat-label{opacity:.95;margin-bottom:8px;font-size:16px;font-weight:600}.stat-desc{opacity:.75;font-size:13px}.features-section{background:var(--bg-secondary)}.features-grid{grid-template-columns:repeat(4,1fr);gap:24px;width:100%;max-width:1200px;margin:0 auto;display:grid}.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);text-align:center;transition:var(--transition);padding:32px 24px}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.feature-icon{margin-bottom:16px;font-size:40px}.feature-card h3{color:var(--text-primary);margin-bottom:8px;font-size:18px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:14px;line-height:1.6}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);scroll-snap-align:start;padding:60px 24px 30px}.footer-content{max-width:1280px;margin:0 auto}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px;display:grid}.footer-brand{max-width:300px}.footer-brand .logo{margin-bottom:16px}.footer-brand p{color:var(--text-secondary);font-size:14px;line-height:1.7}.footer-section h4{color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:20px;font-size:14px;font-weight:600}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:var(--text-secondary);transition:var(--transition);font-size:14px;text-decoration:none}.footer-links a:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:30px;display:flex}.copyright{color:var(--text-muted);font-size:13px}.friend-links{flex-wrap:wrap;gap:24px;display:flex}.friend-links a{color:var(--text-secondary);transition:var(--transition);font-size:13px;text-decoration:none}.friend-links a:hover{color:var(--primary)}.icp{color:var(--text-muted);align-items:center;gap:6px;font-size:13px;display:flex}.icp svg{width:16px;height:16px}.scroll-indicator{color:var(--text-muted);flex-direction:column;align-items:center;gap:8px;font-size:12px;animation:2s infinite 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16px}.software-grid{grid-template-columns:1fr;gap:24px}.software-card{padding:24px}.software-header{text-align:center;flex-direction:column;align-items:center}.software-info h3{font-size:20px}.software-actions{flex-direction:column}.extensions-grid{grid-template-columns:1fr}.stats-section{padding:32px 20px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}.features-grid{grid-template-columns:1fr}.footer-grid{text-align:center;grid-template-columns:1fr;gap:32px}.footer-brand{max-width:100%}.footer-bottom{text-align:center;flex-direction:column}.scroll-indicator{display:none}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}