*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--brand:#05c;--brand-dark:#003d99;--brand-light:#e3edfc;--title:#0b1e33;--body:#315073;--muted:#6a8ab0;--bg:#fff;--bg-alt:#f5faff;--radius:28px;--radius-sm:16px;--shadow:0 12px 40px rgba(0,85,204,.1);--shadow-hover:0 24px 56px rgba(0,85,204,.18);--transition:0.35s cubic-bezier(0.25,0.46,0.45,0.94);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--max-width:1200px;--nav-height:74px;--safe-bottom:env(safe-area-inset-bottom,0px)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;height:100%}body{background:#0b1e33;color:var(--body);font-family:var(--font);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:flex;flex-direction:column;max-width:100vw;min-height:100vh;overflow-x:hidden;width:100%}a{color:var(--brand);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--brand-dark)}img{border-radius:var(--radius-sm);display:block;height:auto;max-width:100%;width:100%}.container{box-sizing:border-box;margin:0 auto;max-width:var(--max-width);padding:0 28px;width:100%}.btn{align-items:center;background:var(--bg);border:1px solid transparent;border-radius:60px;color:#fff!important;cursor:pointer;display:inline-flex;font-family:var(--font);font-size:1rem;font-weight:600;gap:10px;justify-content:center;max-width:100%;overflow:hidden;padding:14px 38px;position:relative;text-decoration:none;touch-action:manipulation;transition:all var(--transition);user-select:none;white-space:nowrap}.btn .btn-loader{animation:spin 0.7s linear infinite;border:2.5px solid hsla(0,0%,100%,.3);border-radius:50%;border-top-color:#fff;display:none;height:20px;width:20px}.btn.loading .btn-loader{display:inline-block}.btn.loading .btn-text{opacity:0.7}.btn:disabled{box-shadow:none!important;cursor:not-allowed;opacity:0.6;transform:none!important}@keyframes spin{to{transform:rotate(360deg)}}.btn-primary{background:var(--brand);box-shadow:0 6px 24px rgba(0,85,204,.3);color:#fff!important}.btn-primary:hover:not(:disabled){background:var(--brand-dark);box-shadow:0 12px 40px rgba(0,85,204,.4);color:#fff!important;transform:translateY(-3px) scale(1.02)}.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)!important}.btn-outline:hover:not(:disabled){background:var(--brand);box-shadow:var(--shadow);color:#fff!important;transform:translateY(-3px)}.btn-download{background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-radius:60px;box-shadow:0 8px 32px rgba(0,85,204,.35);color:#fff!important;font-size:1.1rem;padding:16px 48px}.btn-download:hover:not(:disabled){box-shadow:0 16px 48px rgba(0,85,204,.45);color:#fff!important;transform:translateY(-4px) scale(1.03)}.btn-sm{font-size:0.9rem;padding:10px 24px}.section-tag{background:var(--brand-light);border-radius:40px;color:var(--brand);display:inline-block;font-size:0.7rem;font-weight:700;letter-spacing:2px;margin-bottom:12px;padding:5px 18px;text-transform:uppercase}.section-title{color:var(--title);font-size:2.8rem;font-weight:800;letter-spacing:-0.03em;line-height:1.15}.section-title span{color:var(--brand)}.section-desc{color:var(--muted);font-size:1.15rem;line-height:1.7;max-width:560px}.section-header{margin-bottom:52px}.section-header.center{text-align:center}.section-header.center .section-desc{margin:12px auto 0}.navbar{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:hsla(0,0%,100%,.95);border-bottom:1px solid rgba(0,85,204,.06);flex-shrink:0;height:var(--nav-height);max-width:100vw;position:sticky;top:0;z-index:1000}.navbar,.navbar .container{align-items:center;display:flex;width:100%}.navbar .container{justify-content:space-between;position:relative}.logo{display:block;flex-shrink:0;line-height:0}.logo img{border-radius:0;height:40px;max-width:160px;width:auto}.nav-links{align-items:center;display:flex;gap:36px;list-style:none}.nav-links a{color:var(--body);font-size:0.95rem;font-weight:500;padding:4px 0;position:relative;transition:color var(--transition)}.nav-links a:after{background:var(--brand);border-radius:4px;bottom:-2px;content:"";height:2.5px;left:0;position:absolute;transition:width var(--transition);width:0}.nav-links a.active:after,.nav-links a:hover:after{width:100%}.nav-links a.active{color:var(--brand);font-weight:600}.nav-links .btn{color:#fff!important;font-size:0.9rem;padding:10px 28px}.hamburger{background:none;border:none;cursor:pointer;display:none;flex-direction:column;flex-shrink:0;gap:5px;padding:4px}.hamburger span{background:var(--title);border-radius:4px;display:block;height:2.5px;transform-origin:center;transition:all var(--transition);width:26px}.hamburger.open span:first-child{transform:rotate(45deg) translate(5px,5px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.progress-bar{background:linear-gradient(90deg,var(--brand),#69f,var(--brand));border-radius:0 4px 4px 0;box-shadow:0 0 12px rgba(0,85,204,.25);height:3px;left:0;position:fixed;top:var(--nav-height);transition:width 0.1s ease;width:0%;will-change:width;z-index:999}.back-to-top{align-items:center;background:var(--brand);border:none;border-radius:50%;bottom:28px;bottom:calc(28px + var(--safe-bottom));box-shadow:0 8px 28px rgba(0,85,204,.3);color:#fff;cursor:pointer;display:flex;font-size:1.2rem;height:48px;justify-content:center;opacity:0;position:fixed;right:28px;touch-action:manipulation;transform:translateY(20px) scale(0.8);transition:all var(--transition);visibility:hidden;width:48px;z-index:999}.back-to-top.visible{opacity:1;transform:translateY(0) scale(1);visibility:visible}.back-to-top:hover{background:var(--brand-dark);box-shadow:0 12px 40px rgba(0,85,204,.4);transform:translateY(-3px) scale(1.05)}.back-to-top:active{transform:scale(0.92)}.back-to-top i{pointer-events:none}.hero{background:var(--bg-alt);overflow:hidden;padding:40px 0 70px;position:relative}.hero:before{background:radial-gradient(circle,rgba(0,85,204,.05) 0%,transparent 70%);border-radius:50%;content:"";height:600px;pointer-events:none;position:absolute;right:-5%;top:-20%;width:600px}.hero .container{align-items:center;display:grid;gap:50px;grid-template-columns:1fr 0.9fr;position:relative;z-index:2}.hero-content .badge-hero{align-items:center;background:rgba(0,85,204,.08);border-radius:40px;color:var(--brand);display:inline-flex;font-size:0.75rem;font-weight:600;gap:8px;letter-spacing:0.3px;margin-bottom:20px;padding:6px 20px 6px 16px}.hero-content .badge-hero i{background:var(--brand);border-radius:30px;color:#fff;font-size:0.65rem;padding:4px 6px}.hero-content h1{color:var(--title);font-size:4.2rem;font-weight:900;letter-spacing:-0.04em;line-height:1.05;margin-bottom:18px}.hero-content h1 .highlight{color:var(--brand);position:relative}.hero-content h1 .highlight:after{background:rgba(0,85,204,.15);border-radius:8px;bottom:4px;content:"";height:12px;left:0;position:absolute;right:0;z-index:-1}.hero-content p{color:var(--body);font-size:1.2rem;line-height:1.8;margin-bottom:32px;max-width:500px}.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:32px}.hero-platforms{color:var(--muted);display:flex;flex-wrap:wrap;font-size:0.9rem;font-weight:500;gap:16px 28px}.hero-platforms i{color:var(--brand);font-size:1.1rem;margin-right:6px}.hero-visual{align-items:center;display:flex;justify-content:center;position:relative}.hero-visual .img-wrapper{animation:floatImage 5s ease-in-out infinite;border-radius:var(--radius);box-shadow:0 24px 64px rgba(0,85,204,.16);max-width:520px;overflow:hidden;width:100%}.hero-visual .img-wrapper img{aspect-ratio:4/3;object-fit:cover}@keyframes floatImage{0%,to{transform:translateY(0)}50%{transform:translateY(-14px)}}.hero-visual .floating-badge{align-items:center;animation:floatBadge 4s ease-in-out 1s infinite;background:#fff;border-radius:20px;bottom:-10px;box-shadow:0 12px 32px rgba(0,0,0,.08);display:flex;gap:14px;left:-20px;padding:16px 28px;position:absolute;white-space:nowrap}.hero-visual .floating-badge i{color:var(--brand);font-size:2rem}.hero-visual .floating-badge .info .num{color:var(--title);font-size:1.2rem;font-weight:800}.hero-visual .floating-badge .info .label{color:var(--muted);font-size:0.75rem}@keyframes floatBadge{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.features-section{background:var(--bg);padding:80px 0}.features-grid{align-items:center;display:grid;gap:40px 60px;grid-template-columns:1fr 1fr}.features-grid .feature-text .section-title{font-size:2.4rem;margin-bottom:16px}.features-grid .feature-text .section-desc{margin-bottom:28px;max-width:100%}.feature-list{display:grid;gap:14px 24px;grid-template-columns:1fr 1fr;list-style:none;padding:0}.feature-list li{align-items:center;color:var(--title);display:flex;font-size:0.95rem;font-weight:500;gap:12px;padding:8px 0;transition:transform var(--transition)}.feature-list li:hover{transform:translateX(4px)}.feature-list li i{background:var(--brand-light);border-radius:8px;color:var(--brand);flex-shrink:0;font-size:1.1rem;padding:4px;text-align:center;width:22px}.features-grid .feature-visual img{aspect-ratio:4/3;border-radius:24px;box-shadow:0 16px 48px rgba(0,85,204,.1);object-fit:cover;transition:transform 0.6s ease}.features-grid .feature-visual img:hover{transform:scale(1.02)}.stats-section{background:var(--bg-alt);padding:60px 0 80px}.stats-grid{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);text-align:center}.stats-card{backdrop-filter:blur(8px);background:hsla(0,0%,100%,.7);border:1px solid rgba(0,85,204,.06);border-radius:20px;padding:28px 16px;transition:all var(--transition)}.stats-card:hover{background:#fff;border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-4px)}.stats-card .number{color:var(--brand);font-size:3.2rem;font-weight:900;line-height:1.2}.stats-card .label{color:var(--muted);font-size:1rem;font-weight:500;margin-top:4px}.articles-section{background:var(--bg);padding:80px 0}.articles-grid{display:grid;gap:28px;grid-template-columns:repeat(3,1fr);margin-bottom:0}.article-card{background:var(--bg);border:1px solid rgba(0,85,204,.04);border-radius:20px;box-shadow:0 2px 12px rgba(0,0,0,.02);display:flex;flex-direction:column;overflow:hidden;transition:all var(--transition)}.article-card:hover{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-6px)}.article-card .art-img{aspect-ratio:16/10;flex-shrink:0;overflow:hidden;width:100%}.article-card .art-img img{height:100%;object-fit:cover;transition:transform 0.6s ease;width:100%}.article-card:hover .art-img img{transform:scale(1.04)}.article-card .art-body{display:flex;flex:1;flex-direction:column;padding:20px 24px 24px}.article-card .art-body h3{color:var(--title);font-size:1.1rem;font-weight:600;line-height:1.4;margin-bottom:8px}.article-card .art-body h3 a{color:var(--title);transition:color var(--transition)}.article-card .art-body h3 a:hover{color:var(--brand)}.article-card .art-body .summary{color:var(--body);display:-webkit-box;flex:1;font-size:0.92rem;-webkit-line-clamp:3;line-height:1.7;margin-bottom:12px;-webkit-box-orient:vertical;overflow:hidden}.article-card .art-body .meta{align-items:center;border-top:1px solid rgba(0,85,204,.06);color:var(--muted);display:flex;font-size:0.8rem;justify-content:space-between;margin-top:auto;padding-top:12px}.article-card .art-body .meta a{color:var(--brand);font-weight:500}.article-card .art-body .meta a:hover{text-decoration:underline}.pricing-section{background:var(--bg-alt);padding:80px 0}.pricing-grid{align-items:stretch;display:grid;gap:28px;grid-template-columns:repeat(3,1fr);margin:0 auto;max-width:1000px}.pricing-card{background:var(--bg);border:1px solid rgba(0,85,204,.06);border-radius:var(--radius);box-shadow:0 2px 16px rgba(0,0,0,.02);display:flex;flex-direction:column;padding:36px 28px 32px;position:relative;text-align:center;transition:all var(--transition)}.pricing-card:hover{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-8px)}.pricing-card.popular{border:2px solid var(--brand);box-shadow:var(--shadow)}.pricing-card .pop-badge{background:var(--brand);border-radius:40px;color:#fff;display:inline-block;font-size:0.7rem;font-weight:700;letter-spacing:1px;margin-bottom:12px;padding:4px 18px;text-transform:uppercase}.pricing-card .plan-name{color:var(--title);font-size:1.4rem;font-weight:700}.pricing-card .plan-desc{color:var(--muted);font-size:0.9rem;margin:4px 0 16px}.pricing-card .price{color:var(--title);font-size:3rem;font-weight:800;line-height:1;margin-bottom:8px}.pricing-card .price small{color:var(--muted);font-size:1rem;font-weight:500}.pricing-card .price .original{color:#bbb;font-size:1rem;font-weight:400;margin-left:8px;text-decoration:line-through}.pricing-card .features{flex:1;list-style:none;margin:16px 0 24px;padding:0;text-align:left}.pricing-card .features li{align-items:center;color:var(--body);display:flex;font-size:0.95rem;gap:10px;padding:6px 0}.pricing-card .features li i{color:var(--brand);flex-shrink:0;text-align:center;width:18px}.pricing-card .btn{color:#fff!important;margin-top:auto;padding:14px;width:100%}.pricing-card .btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)!important}.pricing-card .btn-outline:hover:not(:disabled){background:var(--brand);color:#fff!important}.pricing-card .btn-primary{color:#fff!important}.faq-section{background:var(--bg);padding:80px 0}.faq-grid{display:grid;gap:28px 48px;grid-template-columns:1fr 1fr;margin:0 auto;max-width:1100px}.faq-item{border-bottom:1px solid rgba(0,85,204,.06);padding-bottom:16px}.faq-item .question{align-items:center;color:var(--title);display:flex;font-size:1.05rem;font-weight:600;gap:10px;margin-bottom:6px}.faq-item .question i{color:var(--brand);flex-shrink:0;font-size:1rem}.faq-item .answer{color:var(--body);font-size:0.95rem;line-height:1.7;padding-left:30px}.faq-item .answer ol{margin:0;padding-left:20px}.faq-item .answer ol li{margin-bottom:4px}.download-section{background:var(--bg-alt);padding:80px 0;position:relative}.download-section:after{bottom:20px;color:rgba(0,85,204,.03);content:"快连下载";font-size:10rem;font-weight:900;letter-spacing:12px;pointer-events:none;position:absolute;right:-60px;white-space:nowrap;z-index:0}.download-grid{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);position:relative;z-index:1}.download-card{background:var(--bg);border:1px solid rgba(0,85,204,.06);border-radius:var(--radius);box-shadow:0 2px 16px rgba(0,0,0,.02);overflow:hidden;padding:32px 24px 28px;position:relative;text-align:center;transition:all var(--transition)}.download-card:before{background:linear-gradient(90deg,var(--brand),#69f);content:"";height:4px;left:0;opacity:0;position:absolute;right:0;top:0;transition:opacity var(--transition)}.download-card:hover:before{opacity:1}.download-card:hover{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-8px)}.download-card .icon-wrap{background:var(--brand-light);border-radius:50%;color:var(--brand);font-size:2.8rem;height:72px;line-height:72px;margin-bottom:14px;margin-left:auto;margin-right:auto;transition:all var(--transition);width:72px}.download-card:hover .icon-wrap{background:var(--brand);color:#fff;transform:scale(1.05)}.download-card h4{color:var(--title);font-size:1.2rem;font-weight:700;margin-bottom:2px}.download-card .version{color:var(--muted);font-size:0.8rem;margin-bottom:6px}.download-card .desc{color:var(--body);font-size:0.9rem;margin-bottom:18px}.download-card .btn{border-radius:40px;color:#fff!important;font-size:0.9rem;padding:12px;width:100%}.footer{background:var(--title);color:hsla(0,0%,100%,.7);padding:48px 0 32px}.footer .container{display:flex;flex-direction:column;gap:24px}.footer-top{gap:20px;justify-content:space-between}.footer-links,.footer-top{display:flex;flex-wrap:wrap}.footer-links{gap:24px 40px}.footer-links a{color:hsla(0,0%,100%,.7);font-size:0.9rem;transition:color var(--transition)}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.06);display:flex;flex-wrap:wrap;font-size:0.85rem;gap:12px;justify-content:space-between;padding-top:20px}.footer-bottom .compliance{color:hsla(0,0%,100%,.5);font-size:0.8rem;line-height:1.6;max-width:600px}@media (max-width:1024px){.hero .container{grid-template-columns:1fr;text-align:center}.hero-content p{margin-left:auto;margin-right:auto;max-width:100%}.hero-actions,.hero-platforms{justify-content:center}.hero-content h1{font-size:3rem}.hero-visual .img-wrapper{margin:0 auto;max-width:420px}.hero-visual .floating-badge{bottom:-10px;left:10%}.features-grid{gap:32px;grid-template-columns:1fr}.features-grid .feature-visual{order:0}.features-grid .feature-text{order:1}.features-grid .feature-visual img{margin:0 auto;max-width:500px}.download-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr 1fr;max-width:600px}.pricing-grid .pricing-card:last-child{grid-column:span 2}.articles-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{gap:20px;grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.navbar{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:hsla(0,0%,100%,.95);position:sticky;top:0;z-index:1000}.navbar .container{position:relative}.nav-links{backdrop-filter:none!important;-webkit-backdrop-filter:none!important;background:#fff;border-bottom:1px solid rgba(0,85,204,.08);box-shadow:0 16px 48px rgba(0,0,0,.12);flex-direction:column;gap:12px;left:0;list-style:none;max-height:calc(100vh - var(--nav-height) - 10px);max-width:100vw;overflow-x:hidden;overflow-y:auto;padding:20px 20px 24px;position:fixed;right:0;top:calc(-100vh + var(--nav-height));width:100%;-webkit-overflow-scrolling:touch;box-sizing:border-box;opacity:0;pointer-events:none;transform:none;transition:top 0.3s ease,opacity 0.25s ease;will-change:top;z-index:999}.nav-links.open{opacity:1;pointer-events:auto;top:var(--nav-height)}.nav-links li{max-width:100%;overflow:hidden;width:100%}.nav-links a{display:block;font-size:1rem;padding:6px 0}.nav-links .btn,.nav-links a{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%}.nav-links .btn{font-size:0.9rem;justify-content:center;padding:12px 16px}.hamburger{display:flex}.container{box-sizing:border-box;max-width:100%;overflow:hidden;padding:0 16px;width:100%}.hero-content h1{font-size:2.4rem}.section-title{font-size:2rem}.download-grid{gap:16px;grid-template-columns:1fr 1fr}.pricing-grid{grid-template-columns:1fr;max-width:400px}.pricing-grid .pricing-card:last-child{grid-column:span 1}.articles-grid{grid-template-columns:1fr;max-width:100%}.stats-grid{gap:16px;grid-template-columns:1fr 1fr}.stats-card .number{font-size:2.4rem}.feature-list{grid-template-columns:1fr}.footer-top{align-items:center;flex-direction:column;text-align:center}.footer-links{flex-wrap:wrap;justify-content:center}.footer-bottom{align-items:center;flex-direction:column;text-align:center}.hero-visual .floating-badge{bottom:0;left:5%;padding:10px 18px}.hero-visual .floating-badge i{font-size:1.4rem}.faq-item .answer{padding-left:0}.download-section:after{display:none}.article-card .art-body{padding:16px 18px 20px}.pricing-card{padding:24px 18px}}@media (max-width:480px){.hero-content h1{font-size:1.8rem}.hero-actions .btn{justify-content:center;width:100%}.hero-actions{flex-direction:column}.download-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.stats-card .number{font-size:1.8rem}.section-title{font-size:1.6rem}.hero-visual .img-wrapper{max-width:100%}.hero-visual .floating-badge{bottom:auto;justify-content:center;left:auto;margin-top:16px;position:relative;white-space:normal}.articles-grid{gap:20px}.article-card .art-body,.nav-links{padding:16px 16px 20px}.nav-links{gap:10px}.nav-links a{font-size:0.95rem;padding:5px 0}.nav-links .btn{font-size:0.85rem;padding:10px 14px}}@media print{.back-to-top,.navbar,.progress-bar{display:none!important}.hero{padding:20px 0}.download-card .btn{display:none}body{overflow-x:visible}}