应用现代渐变主题 - 紫蓝渐变配色，玻璃拟态效果，动画交互

Author: Noah0932

public/downloads.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>NoahBox - 文件下载站</title>
-    <link rel="stylesheet" href="responsive-theme.css">
+    <link rel="stylesheet" href="modern-gradient-theme.css">
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
 </head>

public/login.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>管理员登录 - NoahBox</title>
-    <link rel="stylesheet" href="responsive-theme.css">
+    <link rel="stylesheet" href="modern-gradient-theme.css">
     <style>
         .login-container {
             min-height: 100vh;