* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
            padding: 20px;
            position: relative;
            overflow: hidden;
        }
        
        /* 动态粒子背景 */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            animation: float 15s infinite ease-in-out;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) translateX(0);
            }
            50% {
                transform: translateY(-20px) translateX(20px);
            }
        }
		/* 壁纸样式 */
		

        
        /* 壁纸样式 */
        .wallpaper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('http://www.3224.cn/api/index.php') center/cover no-repeat;
            z-index: -2;
        }
        
        .wallpaper::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
        }
        
        /* 触发按钮样式 */
        .trigger-btn {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, #4776E6 0%, #8E54E9 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            cursor: pointer;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            z-index: 100;
            animation: pulse 2s infinite;
        }
        
        .trigger-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(71, 118, 230, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(71, 118, 230, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(71, 118, 230, 0);
            }
        }
        
        /* 密码框容器 - 初始隐藏 */
        .container {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 450px;
            overflow: hidden;
            transform: translateY(0);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            opacity: 0;
            visibility: hidden;
            transform: scale(0.8) translateY(50px);
            transition: all 0.5s ease;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.8);
            z-index: 99;
        }
        
        .container.active {
            opacity: 1;
            visibility: visible;
            transform: translate(-50%, -50%) scale(1);
        }
        
        .header {
            background: linear-gradient(135deg, #4776E6 0%, #8E54E9 100%);
            color: white;
            padding: 35px 20px;
            text-align: center;
            position: relative;
        }
        
        .header::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #4776E6 0%, #8E54E9 100%);
            border-radius: 50%;
            z-index: 1;
        }
        
        .lock-icon {
            font-size: 52px;
            margin-bottom: 15px;
            display: block;
            filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
        }
        
        .header h1 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        
        .header p {
            opacity: 0.9;
            font-size: 16px;
            max-width: 300px;
            margin: 0 auto;
            line-height: 1.5;
        }
        
        .form-container {
            padding: 40px 30px 30px;
        }
        
        .input-group {
            margin-bottom: 25px;
            position: relative;
        }
        
        .input-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 500;
            color: #2d3748;
            font-size: 15px;
            padding-left: 5px;
        }
        
        .input-wrapper {
            position: relative;
        }
        
        .input-wrapper i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: #718096;
            font-size: 18px;
        }
        
        .input-group input {
            width: 100%;
            padding: 16px 16px 16px 48px;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f8fafc;
        }
        
        .input-group input:focus {
            outline: none;
            border-color: #4776E6;
            box-shadow: 0 0 0 3px rgba(71, 118, 230, 0.2);
            background: white;
        }
        
        .input-group input::placeholder {
            color: #a0aec0;
        }
        
        .error-message {
            color: #e53e3e;
            font-size: 14px;
            margin-top: 10px;
            min-height: 20px;
            transition: opacity 0.3s ease;
            padding-left: 5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #4776E6 0%, #8E54E9 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(71, 118, 230, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(71, 118, 230, 0.4);
        }
        
        .submit-btn:active {
            transform: translateY(0);
        }
        
        .close-btn {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
        }
        
        .close-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: rotate(90deg);
        }
        
        .footer {
            text-align: center;
            margin-top: 25px;
            font-size: 14px;
            color: #718096;
            line-height: 1.6;
        }
        
        .features {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-top: 20px;
        }
        
        .feature {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #4a5568;
        }
        
        @media (max-width: 768px) {
            .trigger-btn {
                bottom: 20px;
                right: 20px;
                width: 60px;
                height: 60px;
                font-size: 24px;
            }
            
            .container {
                width: 90%;
            }
            
            .form-container {
                padding: 30px 20px 20px;
            }
            
            .header {
                padding: 25px 15px;
            }
            
            .features {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
        }
        
        /* 动画效果 */
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            15%, 45%, 75% { transform: translateX(-10px); }
            30%, 60%, 90% { transform: translateX(10px); }
        }
        
        .shake {
            animation: shake 0.6s ease;
        }
        
        /* 覆盖层 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(5px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 98;
        }
        
        .overlay.active {
            opacity: 1;
            visibility: visible;
        }







 canvas {
      display: block;
      position: fixed;
      top: 0;
      left: 0;
      z-index: -2;
      pointer-events: none
    }
a:hover,
a:link,
a:visited,
a:active,
a:focus {
    text-decoration: none;
   
}

button,
input,
input:focus {
    outline: none;
    border: none;

}

a,
button,
input {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
*{

  -webkit-user-select: none; /* Safari */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* 其他浏览器 */
}

    * {
      box-sizing: border-box;
      -webkit-text-size-adjust: none
    }

    img {
      border: 0;
      vertical-align: middle
    }
/*原始背景 */

    body {
    margin: 0;
    padding: 0;
    border: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100vw;
    background: radial-gradient(#619bff, #e0e0e3);
}



 
    .main {
      width: 35%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    @media screen and (max-width:1024px) {
      .main {
        width: 45%;
      }
    }

    @media screen and (max-width:768px) {
      .main {
        width: 50%;
      }
    }

    @media screen and (max-width:540px) {
      .main {
        width: 60% !important;
      }
    }

    @media screen and (max-width:480px) {
      .main {
        width: 90% !important;
      }
    }

    @media screen and (max-width:360px) {
      .main {
        width: 100% !important;
      }
    }


    img {
      border: 3px solid rgba(255, 255, 255, 0.8);
      border-radius: 50%;
      box-shadow:0 0px 20px 5px #e6e8ea;
      transition: .4s ease-in-out;
    }

    h1 {

  font-family: 'Noto Serif SC', serif;
      color: #fff;
      font-size: 1.8rem;
      line-height: 2em;
      font-weight: 800;
    }

    h2 {
      margin: 0;
      color: #ffffffa3;
      padding-bottom: 45px;
      font-size: 18px;
    }


 Yh1 {

  font-family:'PING FANG GONG ZI TI';
      color: #fff;
      font-size: 1.8rem;
      line-height: 2em;
      font-weight: 800;
    }

    Yh2 {
    font-family:'PING FANG GONG ZI TI';
      margin: 0;
      color: #ffffffa3;
      padding-bottom: 10px;
      font-size: 18px;
    }
    
    
    
    ul {
      margin: 0;
      padding: 0;
      position: relative;
      list-style-type: none;
      display: -ms-inline-flexbox;
      display: inline-flex;
      width: 100%;
      -ms-flex-pack: distribute;
      justify-content: space-around;
      border-bottom: 2px solid hsla(0, 0%, 100%, .1);
      border-top: 2px solid hsla(0, 0%, 100%, .1);
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center;
      max-width: 85%
    }

    li {
      display: flex;
      transition: all .2s;
      width: 100%;
      border-left: 1px solid hsla(0, 0%, 100%, .1);
      border-right: 1px solid hsla(0, 0%, 100%, .1);
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center
    }

    a {
      font-size: 1.2rem;
      color: #ffffff;
      transition: all .2s;
     
      cursor: pointer;
    }

    a:hover {
      color: #fff !important;
       text-shadow:0 0px 20px  #ffffff;
    }