@media (min-width: 992px){.sidebar-sticky-wrapper{position:relative;height:100%}.sidebar-sticky{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto;transition:all .3s cubic-bezier(.4,0,.2,1)}.sidebar-sticky::-webkit-scrollbar{width:6px}.sidebar-sticky::-webkit-scrollbar-track{background:var(--thm-f3);border-radius:3px}.sidebar-sticky::-webkit-scrollbar-thumb{background:var(--thm-ase);border-radius:3px;transition:background .3s ease}.sidebar-sticky::-webkit-scrollbar-thumb:hover{background:var(--thm-gray)}.sidebar-sticky{scrollbar-width:thin;scrollbar-color:var(--thm-ase) var(--thm-f3)}}.manuals-mobile-nav{display:none}@media (max-width: 991px){.manuals-mobile-nav{display:block;background:var(--color-white, #fff);border-bottom:2px solid var(--thm-f3, #f3f3f3);position:sticky;top:0;z-index:100;margin:-15px -15px 20px;padding:0;box-shadow:0 2px 20px rgba(0,0,0,.08);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.mobile-nav-wrapper{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;padding:0 15px}.mobile-nav-wrapper::-webkit-scrollbar{display:none}.mobile-nav-list{display:flex;flex-wrap:nowrap;padding:12px 0;margin:0;list-style:none;gap:10px;min-width:min-content}.mobile-nav-item{flex:0 0 auto}.mobile-nav-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px 18px;border:2px solid var(--thm-f3, #f3f3f3);border-radius:12px;background:var(--color-white, #fff);color:var(--thm-gray, #8e8e8e);transition:all .3s cubic-bezier(.4,0,.2,1);min-width:100px;cursor:pointer;position:relative;overflow:hidden;white-space:nowrap}.mobile-nav-btn i{font-size:1.5rem;margin-bottom:6px;transition:transform .3s ease}.mobile-nav-btn span{font-size:12px;font-weight:500;letter-spacing:.02em}.mobile-nav-btn:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:var(--thm-line);transform:translateY(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:-1}.mobile-nav-btn.active:before{transform:translateY(0)}.mobile-nav-btn.active{color:var(--color-white, #fff);border-color:transparent}.mobile-nav-btn.active i{transform:scale(1.1)}.col-xxl-3.col-xl-3.col-lg-3{display:none!important}.col-xxl-9.col-xl-9.col-lg-9{width:100%;padding:0}}.manual-item{background:var(--color-white, #fff);border:1px solid var(--thm-f3, #f3f3f3);border-radius:12px;margin-bottom:15px;transition:all .3s ease;overflow:hidden}.manual-item:hover{box-shadow:0 5px 25px rgba(0,0,0,.1);transform:translateY(-2px);border-color:var(--thm-base, #55C6EF)}.manual-info{padding:5px 0}.manual-title{color:var(--thm-black, #14296C);font-size:16px;font-weight:600;display:flex;align-items:center;gap:10px;transition:color .3s ease}.manual-item:hover .manual-title{color:var(--thm-base, #55C6EF)}.manual-title i{color:var(--thm-base, #55C6EF);font-size:18px}.manual-description{font-size:14px;line-height:1.6;color:var(--thm-gray, #8e8e8e)}.atf-sidebar-widget{background:var(--color-white, #fff);border-radius:15px;padding:25px;box-shadow:0 5px 30px rgba(0,0,0,.08)}.atf-widget-title{font-size:18px;font-weight:600;color:var(--thm-black, #14296C);margin-bottom:20px;padding-bottom:12px;position:relative}.atf-widget-title:after{content:"";position:absolute;bottom:-2px;left:0;width:60px;height:2px;background:var(--thm-line);transition:width .3s ease}.atf-sidebar-widget:hover .atf-widget-title:after{width:100%}.atf-sidebar-widget .list-group-item{border:none;padding:14px 18px;margin-bottom:8px;border-radius:10px;cursor:pointer;transition:all .3s ease;background:var(--thm-f6, #F1F8FF);position:relative;overflow:hidden}.atf-sidebar-widget .list-group-item:hover{background:var(--thm-f3, #f3f3f3);transform:translate(8px)}.atf-sidebar-widget .list-group-item.active{background:var(--thm-line);color:var(--color-white, #fff);font-weight:500}.tab-content{background:var(--color-white, #fff);border-radius:15px;padding:30px;box-shadow:0 5px 30px rgba(0,0,0,.08);min-height:600px;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tab-pane{animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.atf-themes-btn{background:var(--thm-line);color:var(--color-white, #fff);padding:12px 24px;border-radius:8px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:500;position:relative;overflow:hidden}.atf-themes-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.3);transform:translate(-50%,-50%);transition:width .6s,height .6s}.atf-themes-btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(31,114,195,.4);color:var(--color-white, #fff)}.atf-themes-btn:hover:before{width:300px;height:300px}.atf-themes-btn i{font-size:16px}.video-trigger{background:linear-gradient(135deg,#667eea,#764ba2)}.video-trigger:hover{box-shadow:0 10px 30px rgba(102,126,234,.4)}.modal-content{border:none;border-radius:15px;overflow:hidden}.modal-header{background:var(--thm-line);color:var(--color-white, #fff);border:none;padding:15px 20px}.modal-header .btn-close{filter:brightness(0) invert(1);opacity:.8}.modal-header .btn-close:hover{opacity:1}.modal-body video{width:100%;height:auto;display:block}.spinner-border{width:3rem;height:3rem;border-width:.3em}.list-group-item.text-center{padding:40px;background:var(--thm-f6, #F1F8FF);border-radius:12px}.list-group-item.text-danger{color:var(--color-orange, #8c3743)!important}@media (max-width: 768px){.atf-section-padding{padding:40px 0}.manuals-mobile-nav{margin:-10px -10px 15px}.mobile-nav-btn{min-width:90px;padding:12px 15px}.mobile-nav-btn i{font-size:1.3rem}.mobile-nav-btn span{font-size:11px}.tab-content{padding:20px 15px;border-radius:10px}.manual-item{margin-bottom:10px}.manual-title{font-size:15px}.manual-description{font-size:13px}}@media (max-width: 576px){.manuals-mobile-nav{margin:-5px -5px 10px}.mobile-nav-list{gap:6px;padding:10px 0}.mobile-nav-btn{min-width:80px;padding:10px 12px}.atf-themes-btn{padding:10px 18px;font-size:14px}}@media print{.manuals-mobile-nav,.col-xxl-3.col-xl-3.col-lg-3,.atf-themes-btn{display:none!important}.col-xxl-9.col-xl-9.col-lg-9{width:100%!important}.tab-pane{display:block!important;opacity:1!important;page-break-inside:avoid}.manual-item{page-break-inside:avoid;border:1px solid #ddd;margin-bottom:10px}}@media (min-width: 992px){.manual-sidebar{background:var(--color-white, #fff);border-radius:15px;padding:25px;box-shadow:0 5px 30px rgba(0,0,0,.08);position:sticky;top:120px;max-height:calc(100vh - 140px);overflow-y:auto}.sidebar-sticky-wrapper,.sidebar-sticky{position:relative!important}}