style: improve glassmorphism UI for background adaptability

- Increase backdrop blur and lower white/black background opacity on inner elements (tables, charts, tabs)
- Apply higher blur to admin layout sidebar and H5 layout navigation bar
- Remove solid backgrounds inside nested cards to inherit background themes

vite-frontend/src/pages/forward.tsx

@@ -4176,7 +4176,7 @@ export default function ForwardPage() {
                   {sortedForwards.length} 条规则
                 </span>
               </div>
-              <Card className="overflow-hidden rounded-2xl border border-white/80 dark:border-white/10 bg-white/40 dark:bg-zinc-900/40 backdrop-blur-2xl shadow-[0_15px_35px_rgba(0,0,0,0.1)]">
+              <Card className="overflow-hidden rounded-2xl border border-white/80 dark:border-white/10 bg-white/20 dark:bg-zinc-900/20 backdrop-blur-3xl shadow-[0_15px_35px_rgba(0,0,0,0.1)]">
                 <DndContext
                   collisionDetection={pointerWithin}
                   sensors={sensors}
@@ -4329,7 +4329,7 @@ export default function ForwardPage() {
                   key={`grouped-table-${group.userId}-${group.userName}`}
                   className="overflow-hidden rounded-2xl border border-white/80 dark:border-white/10 bg-white/20 dark:bg-zinc-900/20 backdrop-blur-3xl shadow-[0_15px_35px_rgba(0,0,0,0.1)]"
                 >
-                  <div className="flex items-center justify-between border-b border-white/20 dark:border-white/10 bg-white/40 dark:bg-black/40 backdrop-blur-md px-5 py-4">
+                  <div className="flex items-center justify-between border-b border-white/20 dark:border-white/10 bg-white/20 dark:bg-black/20 backdrop-blur-3xl px-5 py-4">
                     <div className="flex items-center gap-2">
                       <span className="text-sm font-semibold text-foreground">
                         {group.userName}
@@ -4415,10 +4415,10 @@ export default function ForwardPage() {
                               collapsed={collapsed}
                               countClassName="text-xs text-default-600"
                               groupUserId={group.userId}
-                              headerClassName="flex items-center justify-between border-b border-white/20 dark:border-white/10 bg-white/40 dark:bg-black/40 backdrop-blur-md px-4 py-2.5"
+                              headerClassName="flex items-center justify-between border-b border-white/20 dark:border-white/10 bg-white/20 dark:bg-black/20 backdrop-blur-3xl px-4 py-2.5"
                               titleClassName="truncate text-sm font-semibold text-default-700"
                               tunnel={tunnel}
-                              wrapperClassName="overflow-hidden rounded-2xl border border-white/80 dark:border-white/10 bg-white/40 dark:bg-zinc-900/40 backdrop-blur-2xl shadow-[0_15px_35px_rgba(0,0,0,0.1)]"
+                              wrapperClassName="overflow-hidden rounded-2xl border border-white/80 dark:border-white/10 bg-white/20 dark:bg-zinc-900/20 backdrop-blur-3xl shadow-[0_15px_35px_rgba(0,0,0,0.1)]"
                               onToggleCollapsed={() =>
                                 toggleTunnelGroupCollapsed(
                                   group.userId,

vite-frontend/src/pages/index.tsx

@@ -158,7 +158,7 @@ export default function IndexPage() {
           initial={{ opacity: 0, y: 24 }}
           transition={{ duration: 0.35, ease: [0.25, 0.46, 0.45, 0.94] }}
         >
-          <Card className="w-full bg-white/60 dark:bg-zinc-900/60 backdrop-blur-3xl shadow-[0_20px_40px_rgba(0,0,0,0.15)] border-white/80 dark:border-white/10 rounded-[32px] p-2 sm:p-4">
+          <Card className="w-full bg-white/20 dark:bg-zinc-900/20 backdrop-blur-3xl shadow-[0_20px_40px_rgba(0,0,0,0.15)] border-white/80 dark:border-white/10 rounded-[32px] p-2 sm:p-4">
             <CardHeader className="pb-0 pt-6 px-6 flex-col items-center">
               <div className="w-14 h-14 bg-primary rounded-2xl flex items-center justify-center mb-4 shadow-sm text-white">
                 <svg className="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" /></svg>

vite-frontend/src/pages/monitor.tsx

@@ -253,7 +253,7 @@ export default function MonitorPage() {
         </div>
 
         {/* Tab Switcher */}
-        <div className="flex items-center gap-1 p-1 rounded-2xl bg-white/40 dark:bg-black/40 backdrop-blur-lg border border-white/50 dark:border-white/10 w-fit shadow-sm">
+        <div className="flex items-center gap-1 p-1 rounded-2xl bg-white/20 dark:bg-black/20 backdrop-blur-3xl border border-white/50 dark:border-white/10 w-fit shadow-sm">
           <button
             className={`flex items-center gap-1.5 px-5 py-2 rounded-xl text-sm font-semibold transition-all duration-200 ${
               activeTab === "nodes"

vite-frontend/src/pages/node/monitor-view.tsx

@@ -1446,7 +1446,7 @@ export function MonitorView({ nodeMap, viewMode = "grid" }: MonitorViewProps) {
 
                       {/* Active monitor info bar */}
                       {resolvedActiveMonitor && (
-                        <div className="flex items-center justify-between gap-3 p-3 rounded-2xl bg-white/40 dark:bg-black/40 backdrop-blur-md border border-white/50 dark:border-white/10 shadow-[0_4px_12px_rgba(0,0,0,0.05)]">
+                        <div className="flex items-center justify-between gap-3 p-3 rounded-2xl bg-white/20 dark:bg-black/20 backdrop-blur-3xl border border-white/50 dark:border-white/10 shadow-[0_4px_12px_rgba(0,0,0,0.05)]">
                           <div className="flex items-center gap-3 min-w-0 flex-wrap">
                             <Chip size="sm" color="primary" variant="flat">{resolvedActiveMonitor.type.toUpperCase()}</Chip>
                             <span className="font-mono text-xs text-default-500">{resolvedActiveMonitor.target}</span>