body {
    background-color: #93a569;
    font-family: "Times New Roman", Times, serif;
    line-height: 1.6;
    padding: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    letter-spacing: 1px;
    border: 10px solid black;
    opacity: 0.98;
    display: block;
    transition:all 0.3s ease-in-out;
    z-index: auto;
    background-attachment: fixed;
}

.navigation {
    top: 10;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 10px 0;
    z-index: 1000;
    text-align: center;
    visibility: visible;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease-in-out;
    animation: slideDown 1s ease-in-out;
}

.navigation a {
    text-decoration: none;
    color: white;
    font-size: 16px;
    margin: 0 15px;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
    opacity: 1;
}

.navigation a:hover {
    background-color: #c7b370;
    color: white;
    cursor: pointer;
}

h1 {
    text-align: center;
    margin-top: 5px;
    color: white;
    visibility: visible;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    transition: text-shadow 0.3s ease;
    font-size: 50px;
    font-family: "Times New Roman", Times, serif;
    font-weight: bold;
    letter-spacing: 1px;
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
    margin-right: 20px;
    margin-left: 20px;
    animation: slideDown 1s ease-in-out;
    overflow: hidden;
}

.Xia {
    text-align: left;
    margin-left: 20px;
    margin-right: 20px;
    letter-spacing: 0.7px;
    color: white;
    visibility: visible;
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
}

.xia {
    font-size: 30px;
    transition: text-shadow 0.3s ease;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

.Shang {
    text-align: left;
    margin-left: 20px;
    margin-right: 20px;
    letter-spacing: 0.7px;
    color: white;
    visibility: visible;
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
}

.shang {
    font-size: 30px;
    transition: text-shadow 0.3s ease;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

.Zhou {
    text-align: left;
    margin-left: 20px;
    margin-right: 20px;
    letter-spacing: 0.7px;
    color: white;
    visibility: visible;
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
}

.zhou {
    font-size: 30px;
    transition: text-shadow 0.3s ease;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

.Qin {
    text-align: left;
    margin-left: 20px;
    margin-right: 20px;
    letter-spacing: 0.7px;
    color: white;
    visibility: visible;
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
}

.qin {
    font-size: 30px;
    transition: text-shadow 0.3s ease;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

.Han {
    text-align: left;
    margin-left: 20px;
    margin-right: 20px;
    letter-spacing: 0.7px;
    color: white;
    visibility: visible;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
}

.han {
    font-size: 30px;
    transition: text-shadow 0.3s ease;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

img {
    width: auto;
    height: 200px;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
    animation: fadeIn 2s ease-in;
    visibility: visible;
}

h3 {
    font-weight: lighter;
    visibility: visible;
}

@keyframes slideDown {
    0% {
       transform: translateY(-100%);
    }
    100% {
       transform: translateY(0);
    }
 }

 @keyframes fadeIn {
    0% {
       opacity: 0;
    }
    100% {
       opacity: 1;
    }
 }

 @keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes zoomIn {
    0% {
       transform: scale(0.8);
       opacity: 0;
    }
    100% {
       transform: scale(1);
       opacity: 1;
    }
 }

 video {
    text-align: left;
    margin-left: 20px;
    visibility: visible;
    animation: slideIn 1.5s ease-in-out;
    overflow: hidden;
    width: 50%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
 }