body{background:linear-gradient(135deg,#f0f6ff 0%,#f8f4ff 48%,#eefbf8 100%)}
aside{background:linear-gradient(180deg,#102443 0%,#173b67 55%,#0b6170 100%)}
.brand img{width:50px;height:50px;object-fit:contain;filter:drop-shadow(0 4px 8px #0005)}
nav a{border-left:3px solid transparent;transition:.2s ease}
nav a:hover{background:linear-gradient(90deg,#2774e644,#15b8a644);border-left-color:#f3b63f;transform:translateX(2px)}
header{background:linear-gradient(90deg,#fff,#f5fbff,#fff8eb)}
header select{border-color:#bed4f2;box-shadow:0 3px 12px #2774e612}
.page h1{background:linear-gradient(90deg,#173b67,#6c45c8,#009b8c);-webkit-background-clip:text;background-clip:text;color:transparent}
.card{position:relative;overflow:hidden;border:1px solid #fff;box-shadow:0 10px 30px #17375f18}
.card:before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,#2774e6,#15b8a6)}
.card:nth-child(2):before{background:linear-gradient(90deg,#8b5cf6,#d946ef)}
.card:nth-child(3):before{background:linear-gradient(90deg,#f59e0b,#f97316)}
.card:nth-child(4):before{background:linear-gradient(90deg,#ef476f,#f59e0b)}
.card:nth-child(1){background:linear-gradient(145deg,#fff,#eaf3ff)}
.card:nth-child(2){background:linear-gradient(145deg,#fff,#f3ecff)}
.card:nth-child(3){background:linear-gradient(145deg,#fff,#fff5df)}
.card:nth-child(4){background:linear-gradient(145deg,#fff,#ffecef)}
.panel{border:1px solid #fff;box-shadow:0 10px 30px #17375f12}
.btn{background:linear-gradient(135deg,#2774e6,#6c45c8);box-shadow:0 6px 16px #2774e630}
th{background:#f0f6ff}tr:hover td{background:#f8fbff}
.login{background:radial-gradient(circle at 20% 15%,#6c45c8 0,transparent 35%),radial-gradient(circle at 80% 80%,#0ea5a3 0,transparent 38%),linear-gradient(135deg,#10233f,#194f7a)}
.loginbox{border-top:6px solid #f3b63f;box-shadow:0 24px 70px #07162966;text-align:left}
.login-logo{display:block;width:94px;height:94px;object-fit:contain;margin:-8px auto 4px;filter:drop-shadow(0 6px 10px #a46b1e33)}
.loginbox h1{text-align:center;margin-bottom:4px}.loginbox p{text-align:center;color:var(--muted);margin-top:0;margin-bottom:24px}
.notice-card{padding:18px;margin:14px 0;border-radius:14px;background:linear-gradient(135deg,#eef6ff,#fff8e8);border-left:5px solid #6c45c8}.notice-card h3{margin:6px 0}.notice-card small{color:#6b7280}