.sub-menu{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(245,248,255,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(0,0,0,.08);border-top:3px solid #1e40af;border-radius:0 0 6px 6px;padding:8px 0;min-width:240px;box-shadow:0 20px 40px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.6);position:relative;overflow-x:hidden}.sub-menu:has(>li:nth-child(6)){column-count:2;column-gap:32px;min-width:520px;max-height:65vh;overflow-y:auto}.sub-menu li{break-inside:avoid;-webkit-column-break-inside:avoid}.sub-menu li a{display:block;padding:7px 16px;font-size:14px;line-height:1.5;color:#0f172a;white-space:normal;word-break:break-word;border-left:3px solid transparent;transition:background .12s ease,border-color .12s ease}.sub-menu li a:hover{background:linear-gradient(90deg,rgba(30,64,175,.08),rgba(30,64,175,.02));border-left-color:#1e40af;color:#1e40af}.sub-menu::-webkit-scrollbar{width:6px}.sub-menu::-webkit-scrollbar-thumb{background:rgba(30,64,175,.25);border-radius:4px}