:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--text-dark:#1f2937;--text-muted:#4b5563;--text-light:#9ca3af;--bg-light:#f9fafb;--bg-white:#fff;--border-color:#e5e7eb;--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 -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--shadow-hover:0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--max-width:1200px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-dark);background-color:var(--bg-light);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Microsoft YaHei,sans-serif;line-height:1.6}a{color:var(--primary-color);transition:var(--transition);text-decoration:none}a:hover{color:var(--primary-hover)}img{max-width:100%;height:auto;display:block}.lang-wrapper{z-index:1000;background-color:#111827;border-bottom:1px solid #1f2937;width:100%;position:relative}.lang-bar{white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none;padding:8px 16px;display:flex;overflow-x:auto}.lang-bar::-webkit-scrollbar{display:none}.lang-wrapper:hover .lang-bar{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}.lang-wrapper:hover .lang-bar::-webkit-scrollbar{height:4px;display:block}.lang-wrapper:hover .lang-bar::-webkit-scrollbar-track{background:0 0}.lang-wrapper:hover .lang-bar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:2px}.lang-bar a{color:#9ca3af;border-radius:var(--radius-sm);transition:var(--transition);padding:4px 12px;font-size:13px;display:inline-block}.lang-bar a:hover{color:var(--bg-white);background-color:rgba(255,255,255,.1)}.site-header{background-color:var(--bg-white);border-bottom:1px solid var(--border-color);width:100%}.header-container{max-width:var(--max-width);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:16px 24px;display:flex}.logo-link{color:var(--text-dark);align-items:center;gap:10px;font-size:22px;font-weight:800;display:flex}.logo-icon{color:#fff;width:36px;height:36px;box-shadow:var(--shadow-sm);background:linear-gradient(135deg,#f40f02,#c90800);border-radius:8px;justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex}.nav-menu{align-items:center;gap:24px;list-style:none;display:flex}.nav-link{color:var(--text-muted);border-bottom:2px solid transparent;padding:6px 0;font-size:15px;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.nav-link.active{border-bottom-color:var(--primary-color)}.it365-toolbox-link{background-color:var(--primary-light);color:var(--primary-color);border-radius:var(--radius-sm);padding:8px 16px;font-size:14px;font-weight:600}.it365-toolbox-link:hover{background-color:var(--primary-color);color:var(--bg-white)}.container{max-width:var(--max-width);margin:0 auto;padding:40px 24px 80px}.ad-container{max-width:var(--max-width);margin:20px auto;padding:0 24px}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:1px solid transparent;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:16px;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:var(--bg-white)}.btn-primary:hover{background-color:var(--primary-hover);color:var(--bg-white);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-white);color:var(--text-dark);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--bg-light);color:var(--primary-color);border-color:var(--primary-color);transform:translateY(-1px)}.hero{text-align:center;max-width:800px;margin:0 auto;padding:60px 0 40px}.hero h1{letter-spacing:-.025em;color:var(--text-dark);margin-bottom:20px;font-size:48px;font-weight:800;line-height:1.15}.hero h1 span{-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#3b82f6,#1d4ed8);-webkit-background-clip:text}.hero p{color:var(--text-muted);margin-bottom:32px;font-size:20px}.hero-actions{justify-content:center;gap:16px;margin-bottom:40px;display:flex}.screenshot-gallery{grid-template-columns:1fr;gap:32px;margin-bottom:80px;display:grid}.screenshot-card{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:var(--transition);padding:16px}.screenshot-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}.screenshot-card img{border-radius:var(--radius-md);border:1px solid var(--border-color);margin-bottom:12px}.screenshot-card .caption{color:var(--text-dark);text-align:center;font-size:15px;font-weight:600}.section-title{text-align:center;color:var(--text-dark);margin-bottom:16px;font-size:32px;font-weight:800}.section-subtitle{color:var(--text-muted);text-align:center;max-width:600px;margin:0 auto 48px;font-size:16px}.compare-box{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-bottom:80px;padding:40px}.compare-header-intro{text-align:center;margin-bottom:30px}.compare-table{border-collapse:collapse;width:100%;margin-top:20px}.compare-table th,.compare-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:16px 20px}.compare-table th{color:var(--text-dark);background-color:var(--bg-light);font-weight:700}.compare-table tr:hover td{background-color:#fafafa}.compare-table td.highlight{color:var(--primary-color);font-weight:600}.check-icon{color:#10b981;font-weight:700}.cross-icon{color:#ef4444;font-weight:700}.components-grid{grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:80px;display:grid}.component-card{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition);flex-direction:column;justify-content:space-between;padding:32px;display:flex}.component-card:hover{box-shadow:var(--shadow-lg);border-color:rgba(37,99,235,.3);transform:translateY(-4px)}.component-header{margin-bottom:16px}.component-icon{background-color:var(--primary-light);width:48px;height:48px;color:var(--primary-color);border-radius:var(--radius-md);justify-content:center;align-items:center;margin-bottom:16px;font-size:20px;font-weight:700;display:flex}.component-title{color:var(--text-dark);margin-bottom:8px;font-size:20px;font-weight:700}.component-desc{color:var(--text-muted);flex-grow:1;margin-bottom:24px;font-size:15px}.component-link{align-items:center;gap:4px;font-size:15px;font-weight:600;display:inline-flex}.component-link:after{content:"→";transition:var(--transition)}.component-link:hover:after{transform:translate(4px)}.feature-list-section{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:60px;padding:48px}.features-grid-3{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}.feature-item h3{color:var(--text-dark);align-items:center;gap:8px;margin-bottom:8px;font-size:18px;font-weight:700;display:flex}.feature-item h3:before{content:"✦";color:var(--primary-color)}.feature-item p{color:var(--text-muted);font-size:14px}.single-hero{text-align:center;margin-bottom:30px;padding:40px 0}.single-hero h1{color:var(--text-dark);margin-bottom:16px;font-size:38px;font-weight:800}.single-hero p{color:var(--text-muted);max-width:700px;margin:0 auto;font-size:18px}.single-screenshot{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-bottom:60px;padding:16px}.single-screenshot img{border-radius:var(--radius-md);border:1px solid var(--border-color);width:100%}.guide-box{background-color:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:60px;padding:40px}.guide-step{margin-bottom:32px;padding-left:48px;position:relative}.guide-step:last-child{margin-bottom:0}.step-num{background-color:var(--primary-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex;position:absolute;top:0;left:0}.step-title{color:var(--text-dark);margin-bottom:8px;font-size:18px;font-weight:700}.step-desc{color:var(--text-muted);font-size:15px}.step-desc ul{margin-top:8px;padding-left:20px}.step-desc li{margin-bottom:4px}.site-footer{background-color:var(--bg-white);border-top:1px solid var(--border-color);color:var(--text-muted);padding:48px 24px;font-size:14px}.footer-container{max-width:var(--max-width);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:32px;margin:0 auto;display:flex}.footer-brand{max-width:300px}.footer-logo{color:var(--text-dark);align-items:center;gap:8px;margin-bottom:12px;font-size:18px;font-weight:700;display:flex}.footer-links-group{flex-wrap:wrap;gap:60px;display:flex}.footer-links{list-style:none}.footer-links h4{color:var(--text-dark);margin-bottom:16px;font-size:15px;font-weight:600}.footer-links li{margin-bottom:8px}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--primary-color)}.footer-bottom{max-width:var(--max-width);border-top:1px solid var(--border-color);color:var(--text-light);flex-wrap:wrap;justify-content:space-between;gap:16px;margin:40px auto 0;padding-top:24px;display:flex}@media (max-width:992px){.hero h1{font-size:38px}.screenshot-gallery{grid-template-columns:1fr;gap:32px}.components-grid{grid-template-columns:1fr}.features-grid-3{grid-template-columns:1fr 1fr}}@media (max-width:768px){.header-container{flex-direction:column;align-items:flex-start}.nav-menu{border-top:1px solid var(--border-color);flex-direction:column;align-items:flex-start;gap:12px;width:100%;padding-top:10px}.it365-toolbox-link{text-align:center;width:100%}.hero{padding:40px 0 20px}.hero h1{font-size:32px}.hero p{font-size:16px}.hero-actions{flex-direction:column;gap:12px}.compare-box{padding:24px}.compare-table{display:block;overflow-x:auto}.features-grid-3{grid-template-columns:1fr}.footer-container{flex-direction:column}.footer-links-group{gap:32px}}