body {
            background-color: #000;
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }

        h1 {
    color: #fff;
    font-size: 2em;
    font-weight: 700; /* 设置字体为粗体 */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5); /* 为文字添加阴影效果，增加视觉深度 */
    text-align: center; /* 使标题居中对齐 */
    margin-bottom: 5px; /* 增加标题下方的空间，以区分其他内容 */
}

p {
    color: #4CAF50;
    font-size: 1em;
    margin: 10px 0;
    line-height: 1.6; /* 增加行间距，提高可读性 */
    font-family: Arial, sans-serif; /* 使用更清晰的字体 */
    text-align: justify; /* 使段落文本两端对齐，看起来更整洁 */
}


        /* Button Styles */
        .button, .button-link, .contact-link {
            border: none;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            transition-duration: 0.4s;
            cursor: pointer;
        }


        .contact-link {
            margin-top: -30px; /* 根据需要调整这个值 */
        }
        .button {
            background-color: #4CAF50;
            color: white;
            padding: 15px 32px;
            font-size: 16px;
            margin: 4px 2px;
        }

        .button:hover {
            background-color: #45a049;
            transform: scale(1.05);
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
            color: #fff;
            font-weight: bold;
        }

        .button-link, .contact-link {
            font-size: 1.2em;
            font-weight: bold;
            padding: 10px 20px;
            display: inline-block;
            transition: all 0.3s ease;
            color: #4CAF50;
            background-color: #000;
            border-radius: 50px;
            text-decoration: none;
        }

        .button-link:hover, .contact-link:hover {
            color: #fff;
            transform: scale(1.1);
            background-color: #4CAF50;
        }

        .contact-link {
            border: 2px solid #4CAF50;
        }

      nav, .nav-links {
    background: rgba(50, 50, 50, 0.9);
    padding: 10px;
    top: 0; /* 使用这个或者-8px，根据你的实际需要 */
    border: 2px solid #555;
    margin-bottom: 0px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    width: 100%;
    position: fixed;
    left: 0;
    z-index: 9999;
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
}

nav li, .nav-links li {
    margin: 5px 25px;
    transition: all 0.3s;
}

nav a, .nav-links li a {
    text-decoration: none;
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

nav a:hover, nav a.active, .nav-links li a:hover {
    background-color: #555;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}



@media screen and (max-width: 600px) {
    .nav-links li {
        display: block;
    }

    .nav-dropdown-btn {
        display: block;
    }
}
        .nav-links li a {
            color: white;
            text-decoration: none;
        }

        .nav-links li a:hover {
            color: #4CAF50;
        }

        /* Navigation Dropdown Button */
        .nav-dropdown-btn {
            display: none;
            padding: 14px 16px;
            background-color: #333;
            color: white;
            border: none;
            cursor: pointer;
        }
        .responsive {
  display: flex;
  flex-direction: column;
}

        @media screen and (max-width: 600px) {
            .nav-links li {
                display: none;
            }
           
            .nav-links.responsive {
        position: fixed;
        right: 5px; /* 添加一点右侧的空白，可以根据需要调整 */
        top: 60px;
        background-color: #000;
        width: auto; /* 这样背景只会覆盖实际内容 */
        flex-direction: column;
        align-items: flex-end;
        display: none;
    }

@media screen and (max-width: 600px) {
    .nav-links.responsive {
        display: flex;  /* 更改这里 */
    }

    .nav-links.responsive li {
        display: block;
    }
}

            .nav-links.responsive li {
                display: block;
            }
    .nav-links.responsive li a {
                padding: 10px;
                border-top: 1px solid #ddd;
                text-align: center;
            }

            .nav-dropdown-btn {
                display: block;
                position: absolute;
                top: 0;
                right: 0;
                z-index: 1000;
            }
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 46px;
            right: 10px;
            z-index: 99;
            font-size: 12px;
            border: none;
            outline: none;
            background-color: #4CAF50;
            color: white;
            cursor: pointer;
            padding: 8px;
            border-radius: 4px;
            display: none;
        }

        .back-to-top:hover {
            background-color: #555;
        }
        @media (max-width: 768px) {
    .back-to-top {
        bottom: 40px; /* 你可以根据实际需要调整这个值 */
    }
}

        /* Footer */
        .footer {
            position: fixed;
            left: 0;
            bottom: 0;
            width: 100%;
            background-color: #333;
            color: white;
            text-align: center;
            padding: 5px 0;
            font-size: 12px;
        }

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    margin-top: -20px; /* 只需要一个 margin-top */
}

        
        
            #toolBox {
    text-align: center;
    margin: 20px 0;
    padding: 10px;
    background-color: #000;
    color: #fff;
    border-radius: 5px;
    border: 1px solid #4CAF50;
}

.toolBox-title {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.toolBox-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.toolBox-link {
    margin: 5px;
    padding: 5px 10px;
    text-decoration: none;
    color: #fff;
    border: 1px solid #4CAF50;
    border-radius: 3px;
    transition: all 0.3s ease-out;
}

.toolBox-link:hover {
    background-color: #4CAF50;
    color: #000;
    transform: scale(1.05);
}
@media screen and (max-width: 600px) {
  .nav-links {
    display: none;  /* 隐藏所有链接 */
  }

  .nav-dropdown-btn {
    display: block;  /* 只显示下拉菜单按钮 */
  }
}
@keyframes colorChange {
    0% {color: #ffffff;}   /* 白色 */
    50% {color: #808080;}  /* 灰色 */
    100% {color: #000000;} /* 黑色 */
}

#para {
    animation: colorChange 3s infinite;
}
.button-link {
    border: 2px solid;
    border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    border-image-slice: 1;
    padding: 10px 20px;
    display: inline-block;
    margin: 5px;
    text-decoration: none;
    animation: gradient 5s ease-in-out infinite;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    background: transparent;
    border-radius: 0;  /* 方形边框 */
    color: #f3ec78;  /* 更新文本颜色以匹配边框 */
}

.button-link:hover {
    background: linear-gradient(45deg, #f3ec78, #af4261);  /* 将背景颜色设为渐变 */
    color: #fff;  /* 更新文本颜色为白色 */
    border-color: transparent;
    border-radius: 0;  /* 方形边框 */
}

@keyframes gradient {
    0% {
        border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    }
    50% {
        border-image-source: linear-gradient(45deg, #af4261, #f3ec78);
    }
    100% {
        border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    }
}
.button-link {
    border: 2px solid;
    border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    border-image-slice: 1;
    padding: 10px 20px;
    display: inline-block;
    margin: 5px;
    text-decoration: none;
    animation: gradient 5s ease-in-out infinite;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
    background: transparent;
    border-radius: 0;  /* 方形边框 */
    color: #f3ec78;  /* 更新文本颜色以匹配边框 */
}

.button-link:hover {
    background: linear-gradient(45deg, #f3ec78, #af4261);  /* 将背景颜色设为渐变 */
    color: #fff;  /* 更新文本颜色为白色 */
    border-color: transparent;
    border-radius: 0;  /* 方形边框 */
}

@keyframes gradient {
    0% {
        border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    }
    50% {
        border-image-source: linear-gradient(45deg, #af4261, #f3ec78);
    }
    100% {
        border-image-source: linear-gradient(45deg, #f3ec78, #af4261);
    }
}
    #titleText:hover {
        color: #4CAF50;
        font-weight: bold;
    }
    @media screen and (max-width: 600px) {
        #para {
            width: 85%;
            margin: 20px auto;
        }
    }