: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}img{max-width:100%;height:auto;display:block}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 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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)}.btn{cursor:pointer;transition:var(--transition);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:16px;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.3)}.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.4)}.btn-secondary{color:var(--color-text-main);border:1px solid var(--color-border);background-color:#fff}.btn-secondary:hover{color:var(--color-primary);background-color:#f8fafc;border-color:#cbd5e1}.hero{text-align:center;flex-direction:column;align-items:center;padding:60px 0;display:flex}.hero-tag{color:var(--color-primary);background-color:#dbeafe;border-radius:9999px;margin-bottom:20px;padding:6px 16px;font-size:14px;font-weight:600;display:inline-block}.hero h1{letter-spacing:-.02em;-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#0f172a 30%,#2563eb 100%);-webkit-background-clip:text;margin-bottom:20px;font-size:48px;font-weight:850;line-height:1.2}.hero-desc{color:var(--color-text-muted);max-width:700px;margin-bottom:36px;font-size:19px}.hero-actions{gap:16px;margin-bottom:48px;display:flex}.preview-container{width:100%;max-width:960px;margin:0 auto}.window-frame{background-color:var(--bg-card);border:1px solid var(--color-border);border-radius:12px;overflow:hidden;box-shadow:0 25px 50px -12px rgba(0,0,0,.12)}.window-header{border-bottom:1px solid var(--color-border);background-color:#f1f5f9;align-items:center;gap:8px;height:40px;padding:0 16px;display:flex}.window-dots{gap:6px;display:flex}.dot{border-radius:50%;width:12px;height:12px}.dot-red{background-color:#ff5f56}.dot-yellow{background-color:#ffbd2e}.dot-green{background-color:#27c93f}.window-title{color:var(--color-text-muted);margin-left:auto;margin-right:auto;font-size:13px;font-weight:500}.window-content img{width:100%;display:block}.ad-slot-container{max-width:var(--max-width);margin:30px auto;padding:0 24px}.ad-slot{text-align:center;background-color:#f1f5f9;border:1px dashed #cbd5e1;border-radius:8px;padding:10px}.features-section{border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);background-color:#fff;padding:80px 0}.section-header{text-align:center;max-width:700px;margin:0 auto 60px}.section-header h2{letter-spacing:-.02em;margin-bottom:16px;font-size:36px;font-weight:800}.section-header p{color:var(--color-text-muted);font-size:17px}.feature-grid{grid-template-columns:repeat(2,1fr);gap:40px;display:grid}.feature-card{background-color:var(--bg-main);border:1px solid var(--color-border);transition:var(--transition);border-radius:16px;flex-direction:column;padding:32px;display:flex}.feature-card:hover{border-color:#cbd5e1;transform:translateY(-4px);box-shadow:0 12px 20px -8px rgba(0,0,0,.08)}.feature-icon-wrapper{margin-bottom:24px}.feature-icon{color:var(--color-primary);background-color:#dbeafe;border-radius:10px;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.feature-card h3{margin-bottom:12px;font-size:20px;font-weight:700}.feature-card p{color:var(--color-text-muted);flex-grow:1;margin-bottom:24px;font-size:15px}.feature-media{border:1px solid var(--color-border);border-radius:8px;margin-top:auto;overflow:hidden;box-shadow:0 4px 6px -1px rgba(0,0,0,.05)}.all-features-section{padding:80px 0}.all-features-grid{grid-template-columns:repeat(3,1fr);gap:30px;display:grid}.feature-list-box{background-color:var(--bg-card);border:1px solid var(--color-border);border-radius:12px;padding:24px}.feature-list-box h3{color:var(--color-primary);align-items:center;gap:8px;margin-bottom:16px;font-size:18px;font-weight:700;display:flex}.feature-list-box ul{list-style:none}.feature-list-box 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#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:992px){.all-features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.header-wrapper{flex-direction:column;gap:12px;height:auto;padding:16px 0}.nav-links{gap:16px}.hero h1{font-size:32px}.hero-desc{font-size:16px}.hero-actions{flex-direction:column;width:100%;max-width:320px}.btn{width:100%}.feature-grid{grid-template-columns:1fr;gap:24px}.all-features-grid{grid-template-columns:1fr}.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}}