html, body {
            height: 100%;
            font-family: 'Poppins', 'Microsoft YaHei', sans-serif;
        }

        :root {
            --primary-color: #397cac;
            --secondary-color: #a29bfe;
            --dark-color: #2d343e;
            --light-color: #f5f6fa;
            --shadow: 0 20px 40px rgba(0,0,0,0.1);
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(255, 255, 255, 0.4);
            --card-bg: rgba(255, 255, 255, 0.95);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            color: var(--dark-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            overflow: hidden;
        }
        
        #wrapper {
            position: relative;
            z-index: 2;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        #bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            background-size: cover;
            background-position: center;
            transition: background-image 0.5s ease-in-out;
        }
        
        #bg:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgb(89 68 171 / 25%) 0%, rgb(155 217 254 / 25%) 100%);
            animation: bgMove 20s infinite alternate;
        }
        
        @keyframes bgMove {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.1);
            }
        }
        
        .content {
            text-align: center;
            max-width: 800px;
            width: 100%;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            position: relative;
        }
        
        .login-container {
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex-grow: 1;
            width: 100%;
            z-index: 3;
        }
         /* 定义滑入动画 */
        @keyframes slideIn {
            from {
                transform: translateX(120%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        /* 定义滑出动画 */
        @keyframes slideOut {
            from {
                transform: translateX(0);
                opacity: 1;
            }
            to {
                transform: translateX(120%);
                opacity: 0;
            }
        }
        .login-box {
            background: var(--card-bg);
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 3px 3px 10px rgb(0 0 0 / 21%), -3px -3px 10px #0000001f;
            backdrop-filter: blur(15px);
            transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
            border: 1px solid var(--glass-border);
            position: relative;
            overflow: hidden;
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
            transform: translateY(0) scale(1);
        }

        @font-face {
           font-family: 'FontAwesome';
           src: url('path/to/fontawesome-webfont.woff2') format('woff2');
           font-display: swap;
        }
		.bing-close-btn {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 24px;
            height: 24px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 12px;
        }
        
        .bing-close-btn:hover {
            background: rgba(255, 255, 255, 0.3);
        }
       /* .login-box:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 210%;
            background: conic-gradient(
              from 0deg,
              transparent,
              rgb(85 212 213 / 50%),
			  rgba(250, 208, 196, 0.5), 
			  rgb(170 143 231 / 50%), 
			  rgb(213 215 121 / 50%), 
			  rgba(169, 252, 255, 0.5),
              transparent
             );  
            animation: rotate 8s linear infinite;
            pointer-events: none;
        }   */  
       
        @keyframes rotate {
            100% {
                transform: rotate(360deg);
            }
        }
        
        .login-box:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 35px 60px rgba(0,0,0,0.2);
        }
        
        h1, h2, h3, h4 {
            font-weight: 700;
            margin-bottom: 1.5rem;
            line-height: 1.4;
        }
        
        .login-box h3 {
            font-size: 2.5rem;
            background: linear-gradient(to right, #878787, #181818);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
            font-family: emoji;
            font-weight: 900;
        }
        
        .login-box h3:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1.5px;
            background: linear-gradient(to right, #b3b3b3, #040404);
            border-radius: 2px;
        }
        
        .login-box p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        
        .bing-info-container {
            position: fixed;
            right: 10px;
            bottom: 10px;
            z-index: 10;
            max-width: 400px;
            display: none;
			backdrop-filter: blur(10px);
			border-radius: 8px;
        }
        
        .bing-info {
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            border-radius: 8px;
            padding: 12px;
            color: white;
            font-size: 0.8rem;
            line-height: 1.5;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
            position: relative;
        }
        .bing-controls-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
		.bing{
			font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
        }
        .bing-title {
            font-weight: 500;
            margin-bottom: 2px;
            display: flex;
            align-items: center;
			padding-left: 3px;
        }
        
        .bing-copyright {
            font-size: 0.7rem;
            opacity: 0.9;
            color: #ddd;
            margin-bottom: 8px;
            line-height: 1.2;
        }
 
        #bing-copyright-main {
            display: inline-flex;
            align-items: center;
            margin-bottom: 0px;
        }
 
        .mappin {
            margin-right: 5px;
            flex-shrink: 0;
        }
 
        .mappin path:nth-child(2) {
            fill: currentColor;
        }
        #bing-copyright-photographer {
            display: block;
            font-size: 0.6rem;
            opacity: 0.8;
            font-style: italic;
        }
        #bing-copyright-photographer {
           display: block;
           font-size: 0.6rem;
           opacity: 0.8;
           font-style: italic;
	       padding-left: 2px;  
        }
        .bing-controls {
            display: flex;
            margin-top: 10px;
            gap: 10px;
            align-items: center;
            width: 100%;
            justify-content: flex-end;    
        }
        
        .bing-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 28px;
            height: 28px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .bing-btn:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        
        .bing-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .bing-download-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            padding: 5px 10px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 12px;
            margin-left: auto;
            height: 28px;
            line-height: 28px;
        }
        
        .bing-download-btn:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        
        nav ul {
            display: flex;
            justify-content: center;
            list-style: none;
            gap: 1.5rem;
            flex-wrap: wrap;;
        }
        
        .btn {
        	box-sizing: border-box;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 20px;
            height: 50px; 
            width: 180px; 
            min-width: 180px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: none;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .btn i {
            margin-right: 8px;
            transition: transform 0.3s ease;
            font-size: 1rem;
        }
        
        .btn:hover i {
            transform: translateX(3px);
        }
        
        .btn-primary {
            background: linear-gradient(45deg, #0072cd, #5f9bd1);
            color: white;
            border-color: transparent;
        }
        
        .btn-primary:hover {
            box-shadow: 0 8px 25px rgba(57, 124, 172, 0.6);
            transform: translateY(-3px);
        }
        
        .btn-primary:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }
        
        .btn-primary:hover:before {
            left: 100%;
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
            padding: 14px 36px;
        }
        
        .btn-secondary:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(57, 124, 172, 0.3);
        }
        
        footer {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            text-align: center;
            padding: 0.3rem;
            color: white;
            font-size: 0.7rem;
            z-index: 3;
            text-shadow: 0 1px 3px rgba(0,0,0,0.3);
            background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
        }
        
        @media (max-width: 768px) {
            .login-box {
                padding: 2rem 1.5rem;
                max-width: 80%;
            }

            .login-box h3 {
                font-size: 2rem;
            }
            
            .bing-info-container {
                right: 10px;
                bottom: 25px;
                max-width: calc(100% - 20px);
            }
            .bing-close-btn{
			    margin-right: -2px;	
			}
			.bing-close-btn {
			    top: 10px;
			}
			.fa-user {
                padding-right: 6px !important;
            }
            .bing-info {
                padding: 10px;
                font-size: 12px;
            }
            .bing i {
                padding-top: 0!important;
            }
            nav ul {
                flex-direction: column;
                gap: 1rem;
            }           
            .btn {
                width: 100%;
                max-width: 300px;
                min-width: auto;
            }
            .login-container {
                padding-bottom: 6rem;
            }    
            	
            #wrapper {
                padding: 0rem;
            }
        }