:root{--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--bg-main:#f8fafc;--bg-card:#fff;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-accent:#4f46e5;--color-text-main:#0f172a;--color-text-muted:#475569;--color-border:#e2e8f0;--max-width:1200px;--transition: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-main);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}a{color:var(--color-primary);transition:var(--transition);text-decoration:none}a:hover{color:var(--color-primary-hover)}.lang-bar-container{border-bottom:1px solid var(--color-border);z-index:100;background-color:#f1f5f9;width:100%;position:relative}.lang-bar{white-space:nowrap;max-width:var(--max-width);scrollbar-width:none;-ms-overflow-style:none;margin:0 auto;padding:10px 24px;display:flex;overflow-x:auto}.lang-bar::-webkit-scrollbar{display:none}.lang-bar-container:hover .lang-bar{scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.lang-bar-container:hover .lang-bar::-webkit-scrollbar{height:4px;display:block}.lang-bar-container:hover .lang-bar::-webkit-scrollbar-track{background:0 0}.lang-bar-container:hover .lang-bar::-webkit-scrollbar-thumb{background-color:#cbd5e1;border-radius:4px}.lang-bar a{color:var(--color-text-muted);transition:var(--transition);border-radius:4px;padding:2px 10px;font-size:13px;font-weight:500;display:inline-block}.lang-bar a:hover{color:var(--color-primary);background-color:#e2e8f0}header{border-bottom:1px solid var(--color-border);background-color:transparent}.header-wrapper{justify-content:space-between;align-items:center;height:80px;display:flex}.logo-link{color:var(--color-text-main);align-items:center;gap:12px;font-size:22px;font-weight:700;display:flex}.logo-img{width:32px;height:32px}.nav-links{align-items:center;gap:28px;list-style:none;display:flex}.nav-links a{color:var(--color-text-muted);font-size:15px;font-weight:600}.nav-links a:hover,.nav-links a.active{color:var(--color-primary)}.btn-it365{background:linear-gradient(135deg,#eff6ff 0%,#dbeafe 100%);border:1px solid #bfdbfe;border-radius:9999px;padding:8px 16px;color:var(--color-primary)!important;font-size:14px!important}.btn-it365:hover{background:linear-gradient(135deg,#dbeafe 0%,#bfdbfe 100%);box-shadow:0 4px 6px -1px rgba(37,99,235,.1)}.changelog-hero{text-align:center;padding:60px 0 40px}.changelog-hero h1{letter-spacing:-.02em;margin-bottom:16px;font-size:40px;font-weight:800}.changelog-hero p{color:var(--color-text-muted);max-width:600px;margin:0 auto;font-size:17px}.ad-slot-container{max-width:var(--max-width);margin:20px auto;padding:0 24px}.ad-slot{text-align:center;background-color:#f1f5f9;border:1px dashed #cbd5e1;border-radius:8px;padding:10px}.timeline{max-width:800px;margin:40px auto 80px;padding:0 20px;position:relative}.timeline:before{content:"";background-color:var(--color-border);width:2px;position:absolute;top:0;bottom:0;left:30px}.timeline-item{margin-bottom:50px;padding-left:50px;position:relative}.timeline-item:last-child{margin-bottom:0}.timeline-badge{border:4px solid var(--color-primary);z-index:2;background-color:#fff;border-radius:50%;width:20px;height:20px;position:absolute;top:5px;left:21px}.timeline-item.latest .timeline-badge{border-color:#10b981;box-shadow:0 0 0 4px #d1fae5}.timeline-content{background-color:var(--bg-card);border:1px solid var(--color-border);border-radius:12px;padding:30px;box-shadow:0 4px 6px -1px rgba(0,0,0,.02)}.timeline-header{border-bottom:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px;padding-bottom:16px;display:flex}.version-box{align-items:center;gap:10px;display:flex}.version-box h2{color:var(--color-text-main);font-size:22px;font-weight:700}.label-latest{color:#065f46;text-transform:uppercase;background-color:#d1fae5;border-radius:9999px;padding:2px 8px;font-size:11px;font-weight:700}.release-date{color:var(--color-text-muted);font-size:14px;font-weight:500}.release-body{color:var(--color-text-main);font-size:15px}.release-body p{margin-bottom:16px;line-height:1.7}.release-body h3{color:var(--color-text-main);margin:20px 0 10px;font-size:16px;font-weight:700}.release-body ul{margin-bottom:16px;list-style:none}.release-body li{color:var(--color-text-muted);margin-bottom:8px;padding-left:20px;line-height:1.6;position:relative}.release-body li:before{content:"•";color:var(--color-primary);font-weight:700;position:absolute;left:5px}.contributors-box{border-top:1px solid var(--color-border);align-items:center;gap:12px;margin-top:24px;padding-top:16px;display:flex}.contributors-title{color:var(--color-text-muted);font-size:13px;font-weight:600}.contributor-list{gap:8px;list-style:none;display:flex}.contributor-avatar{border:1px solid var(--color-border);width:28px;height:28px;transition:var(--transition);border-radius:50%}.contributor-avatar:hover{transform:scale(1.1)}.more-releases{text-align:center;margin:40px auto 80px}footer{color:#94a3b8;background-color:#0f172a;border-top:1px solid #1e293b;padding:60px 0 30px}.footer-top{justify-content:space-between;align-items:flex-start;margin-bottom:40px;display:flex}.footer-brand h4{color:#fff;margin-bottom:12px;font-size:20px;font-weight:700}.footer-brand p{max-width:300px;font-size:14px}.footer-links-group{gap:80px;display:flex}.footer-col h5{color:#fff;margin-bottom:16px;font-size:15px;font-weight:600}.footer-col ul{list-style:none}.footer-col li{margin-bottom:10px}.footer-col a{color:#94a3b8;font-size:14px}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid #1e293b;justify-content:space-between;align-items:center;padding-top:30px;font-size:13px;display:flex}.footer-bottom-links{gap:20px;display:flex}.footer-bottom-links a{color:#94a3b8}.footer-bottom-links a:hover{color:#fff}@media (max-width:768px){.header-wrapper{flex-direction:column;gap:12px;height:auto;padding:16px 0}.nav-links{gap:16px}.timeline:before{left:20px}.timeline-item{padding-left:36px}.timeline-badge{left:11px}.timeline-content{padding:20px}.timeline-header{flex-direction:column;align-items:flex-start;gap:6px}.footer-top{flex-direction:column;gap:32px}.footer-links-group{flex-direction:column;gap:24px;width:100%}.footer-bottom{text-align:center;flex-direction:column;gap:16px}}