.changelog-page{min-height:calc(100vh - 160px);padding:60px 0}.changelog-header{margin-bottom:50px;text-align:center}.changelog-header h1{color:var(--dark-color);font-size:2.5rem;font-weight:700;margin-bottom:15px}.changelog-header p{color:var(--secondary-color);font-size:1.2rem;margin:0 auto;max-width:600px}.changelog-content{background:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);margin:0 auto;max-width:1000px;padding:50px}.platform-selector{border-bottom:2px solid #f1f3f4;display:flex;gap:15px;margin-bottom:40px;padding-bottom:30px}.platform-tab{background:#f8f9fa;border:2px solid #e9ecef;border-radius:var(--border-radius);color:var(--secondary-color);cursor:pointer;font-weight:600;padding:12px 24px;text-decoration:none;transition:var(--transition)}.platform-tab.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.platform-tab:hover:not(.active){border-color:var(--primary-color);color:var(--primary-color)}.platform-content{display:none}.platform-content.active{display:block}.platform-title{align-items:center;border-bottom:2px solid #f1f3f4;color:var(--dark-color);display:flex;font-size:2rem;gap:15px;margin-bottom:30px;padding-bottom:15px}.platform-title i{color:var(--primary-color);font-size:1.8rem}.version-card{background:#f8f9fa;border-left:4px solid var(--primary-color);border-radius:var(--border-radius);margin-bottom:40px;padding:30px;transition:var(--transition)}.version-card:hover{box-shadow:0 5px 15px rgba(0,0,0,.1);transform:translateY(-2px)}.version-header{align-items:flex-start;display:flex;gap:20px;justify-content:between;margin-bottom:20px}.version-number{background:var(--primary-color);border-radius:20px;color:#fff;flex-shrink:0;font-size:1.1rem;font-weight:700;padding:8px 16px}.version-title{color:var(--dark-color);flex:1;font-size:1.4rem;margin:0}.version-content{color:var(--secondary-color)}.version-content ol{margin:0;padding-left:20px}.version-content li{line-height:1.6;margin-bottom:8px;position:relative}.version-content li::marker{color:var(--primary-color);font-weight:600}.version-content p{line-height:1.6;margin:0}.update-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.update-badge{border-radius:12px;font-size:.8rem;font-weight:600;letter-spacing:.5px;padding:4px 12px;text-transform:uppercase}.badge-fix{background:#e7f3ff;color:#1971c2}.badge-feature{background:#e6fcf5;color:#0ca678}.badge-optimization{background:#fff3bf;color:#e67700}.badge-security{background:#ffe3e3;color:#c92a2a}.download-link{align-items:center;background:var(--primary-color);border-radius:var(--border-radius);color:#fff;display:inline-flex;font-weight:600;gap:8px;margin-top:15px;padding:10px 20px;text-decoration:none;transition:var(--transition)}.download-link:hover{background:#3a5ce5;box-shadow:0 4px 12px rgba(74,108,247,.3);transform:translateY(-2px)}@media (max-width:768px){.changelog-content{padding:30px 25px}.changelog-header h1{font-size:2rem}.platform-selector{flex-direction:column;gap:10px}.platform-tab{text-align:center}.version-header{flex-direction:column;gap:15px}.version-number{align-self:flex-start}.version-card{padding:20px}}@media (max-width:480px){.changelog-content{padding:25px 20px}.changelog-header h1{font-size:1.8rem}.platform-title{font-size:1.5rem}}