@media (min-width:768px){:root{--header-h:64px;--sidebar-w:clamp(260px,30vw,340px);--tablet-max-width:1024px;--tablet-padding:32px;--tablet-gap:16px}body,html{background:radial-gradient(circle at 15% -5%,#dbeafe 0,#edf2f7 50%,#e2e8f0 100%)}body.mobile-shell{display:block;overflow-x:hidden;padding-bottom:0}.mobile-header{box-shadow:0 2px 8px rgba(15,23,42,.12);gap:16px;height:var(--header-h);left:0;padding:0 20px;position:fixed;right:0;transform:none;width:100%}.header-btn{font-size:20px;padding:14px 16px}.mobile-logo img{height:32px}.mobile-sidebar{background:var(--card);border-right:1px solid var(--line);bottom:0;box-shadow:none;height:auto;left:0;max-width:var(--sidebar-w);min-height:auto;overflow-y:auto;padding:24px 16px;position:fixed;top:var(--header-h);transition:none;width:var(--sidebar-w);z-index:1090}.mobile-sidebar,.mobile-sidebar.open{transform:translateX(0)!important}#menuToggle,.sidebar-backdrop{display:none}.sidebar-top{border-bottom:1px solid var(--line);margin-bottom:20px;padding-bottom:16px}.sidebar-title{color:var(--text)}.sidebar-title img{filter:none;height:32px}#menuClose{display:none}.menu-list{gap:8px}.menu-link{background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--text);font-size:15px;padding:12px 14px;transition:all .2s ease}.menu-link:hover{background:var(--card);border-color:var(--brand-b);box-shadow:0 2px 6px rgba(41,79,185,.12)}.menu-link-secondary{background:rgba(37,99,235,.06);border-color:rgba(37,99,235,.2);color:var(--text)}.menu-link-secondary:hover{background:rgba(37,99,235,.12);border-color:rgba(37,99,235,.4)}.menu-link.active{background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(220,38,38,.08));border-color:var(--brand-b);box-shadow:none;color:var(--brand-b);font-weight:700}.menu-divider{margin:12px 0}.menu-group-title{color:var(--muted);font-size:12px;letter-spacing:.08em;margin:16px 0 8px;text-transform:uppercase}.mobile-layout{background:transparent;border-left:0!important;border-right:0!important;margin-left:var(--sidebar-w);max-width:none!important;min-height:100vh;padding-left:0;padding-top:var(--header-h);width:auto!important}.mobile-content,.mobile-layout{display:flex;flex:1;flex-direction:column}.mobile-content{align-items:center;max-width:100%;padding:var(--tablet-padding);padding-bottom:var(--tablet-padding)}.mobile-bottom-nav{display:none}.mobile-content>*{max-width:var(--tablet-max-width);width:100%}.mobile-card{border:1px solid rgba(226,232,240,.8);border-radius:14px;box-shadow:0 4px 12px rgba(15,23,42,.08);margin-bottom:16px;padding:20px}.mobile-card:hover{border-color:#e2e8f0;box-shadow:0 8px 16px rgba(15,23,42,.12)}.mobile-title{font-size:24px;font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-bottom:12px}.mobile-text{color:#475569;font-size:16px;line-height:1.6}.item-link-title{font-size:22px}.item-link-meta{font-size:13px}.section-shell{box-shadow:0 4px 12px rgba(15,23,42,.08);margin-bottom:16px;padding:16px}.section-title{font-size:18px;font-weight:800;margin-bottom:14px}.section-meta{font-size:14px;margin-bottom:14px}.category-title{font-size:19px}.media-stack{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}.media-card{border-radius:12px;box-shadow:0 4px 12px rgba(15,23,42,.08);display:grid;gap:10px;grid-template-columns:1fr;grid-template-rows:auto 1fr;padding:12px;transition:all .3s ease}.media-card:hover{box-shadow:0 8px 20px rgba(15,23,42,.12);transform:translateY(-2px)}.media-thumb{aspect-ratio:16/9;width:100%}.page-hero{background:linear-gradient(135deg,#0f172a,#1e40af 50%,#2563eb);border-radius:16px;margin-bottom:24px;overflow:hidden;padding:40px 24px;position:relative}.page-hero:after{background:hsla(0,0%,100%,.15);height:240px;right:-60px;top:-80px;width:240px}.page-hero .mobile-title{font-size:28px;margin-bottom:16px}.page-hero .mobile-text{font-size:16px;line-height:1.6}.touch-btn{border-radius:10px;font-size:15px;min-height:48px;padding:12px 20px;transition:all .2s ease}.touch-btn-primary{box-shadow:0 4px 12px rgba(220,38,38,.2)}.touch-btn-primary:hover{box-shadow:0 8px 16px rgba(220,38,38,.3);transform:translateY(-2px)}.touch-btn-muted:hover{background:#cbd5e1}.item-link{border-radius:12px;padding:16px;transition:all .2s ease}.item-link:hover{border-color:var(--brand-b);box-shadow:0 4px 12px rgba(41,79,185,.15);transform:translateY(-2px)}.category-head{gap:12px;margin-bottom:16px}.item-list{gap:12px}.item-list.multi-column{display:grid;grid-template-columns:repeat(2,1fr)}.sidebar-footer{border-top:1px solid var(--line);bottom:auto;font-size:13px;left:auto;margin:20px 0 0;padding:12px 0 0;position:static;text-align:left;width:auto}.mobile-sidebar .menu-list:last-of-type{margin-bottom:12px}.mobile-content{row-gap:var(--tablet-gap)}h1{font-size:28px}h2{font-size:24px}h3{font-size:20px}.header-live-btn{min-height:44px;min-width:44px}.header-live-btn.live-active{min-width:80px;padding:0 12px}.header-live-text{font-size:13px}a,button{transition:all .2s ease}.mobile-sidebar{scrollbar-color:rgba(100,116,139,.3) transparent;scrollbar-width:thin}.mobile-sidebar::-webkit-scrollbar{width:6px}.mobile-sidebar::-webkit-scrollbar-track{background:transparent}.mobile-sidebar::-webkit-scrollbar-thumb{background:rgba(100,116,139,.3);border-radius:3px}.mobile-sidebar::-webkit-scrollbar-thumb:hover{background:rgba(100,116,139,.5)}@media print{.mobile-header,.mobile-sidebar,.sidebar-backdrop{display:none}.mobile-layout{padding-top:0;width:100%}}}@media (min-width:1024px){:root{--tablet-max-width:1200px;--tablet-padding:40px}.mobile-content{padding:var(--tablet-padding)}.media-stack{grid-template-columns:repeat(2,1fr)}.mobile-card,.section-shell{padding:24px}.media-stack.large-layout{grid-template-columns:repeat(3,1fr)}}@media (min-width:900px){.media-stack{grid-template-columns:repeat(2,1fr)}.mobile-title{font-size:26px}.section-title{font-size:20px}}