.content {
    position: fixed;
    top: 10px; 
    left: 10px;
    right: 10px;
    z-index: 1000;
    height: 80px;
    background-color: rgba(255, 183, 0, 0.8);
    display: flex;
    width: auto;
    border-radius: 25px;
    justify-content: space-around;
    align-items: center;
    overflow: visible;
}

.nav {
    flex: 1; 
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    text-decoration: none;
    color: white;
    display: block;
    height: 80px;
    line-height: 80px;
    border-radius: 25px;
    transition: all 0.5s;
    min-width: 0; 
    margin: 0 5px;
}

.nav:hover {
    transform: scale(1.05);
    background-color: rgba(255, 106, 0, 0.8);
    color: rgb(164, 164, 164);
}
.nav:active {
    transform: translateY(-2px);
    background-color: rgba(255, 100, 0, 0.9);
    transition: transform 0.1s ease;
}
.nav-container {
    flex: 1; 
    position: relative;
    height: 80px;
    display: flex;
}

.nav-container .nav {
    width: 100%;
    margin: 0;
}

.nav > div {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-hover-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: white;
    border: 3px solid rgb(255, 183, 0); 
    border-radius: 15px;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    width: 180px;
    text-align: center;
}

.intro-hover-content img {
    width: 100%;
    height: auto;
    max-height: 250px;
    border-radius: 10px;
    display: block;
}

.nav-container:hover .intro-hover-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(10px);
}
.background {
    position: relative;
    width: 100%;
    display: inline-block;
} 
.background_animal {
    object-fit: cover;
    width: 100%;
} 
.decoration {
    width:30%;
    position: absolute;
    top: 13%;
    left: 35%;
    transition: all 0.5s;
}
.decoration:hover {
    transform: scale(1.5);
}
.background_2 {
    position: relative;
    width: 100%;
    display: inline-block;
}
.background_bowen {
    position: relative;
    object-fit: cover;
    display: inline-block;
    width:100%;
}

body {
   position:absolute;
   top: 90px;
}
.introduction {
    position: absolute;
    left: 50%;
    top: 30%;
    transform: translate(-50%, -50%);
    font-size: 60px;
    font-weight: bold;
    color: rgb(0, 145, 255);
    text-shadow: 2px 2px 4px #000000;
}
.introduction_section1 {
    position: relative;
    background-color: white;
    border: 5px solid grey;
    width: 80%;
    height: auto;
    margin: auto;
    border-radius: 30px;
    transition: all 0.5s;
}
.introduction_section1:hover {
    transform: scale(1.05);
}
.introduction_title {
    display: block;
    width: 60%;
    text-indent: 80px;
    font-size: 50px;
    font-weight: bold;
    padding-top: 20px;
}
.introduction_subtitle {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-weight: bold;
    font-style: italic;
    color: rgb(0, 153, 255);
    font-size: 50px;
    margin-top: 10px;
}
.introduction_content1 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-size: 30px;
    margin-top: 20px;
}
.introduction_content2 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-size: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.introduction_image1 {
    display: block;
    position: absolute;
    width: 33%;
    max-height: 80%;
    object-fit: cover;
    margin: auto;
    left:65%;
    top: 10%;
    transition: all 0.5s;
}
.introduction_image1:hover {
    transform: rotate(-30deg);
}
.introduction_section2 {
    position: relative;
    top: 30px;
    background-color: white;
    border: 5px solid grey;
    width: 80%;
    height: auto;
    margin: auto;
    border-radius: 30px;
    transition: all 0.5s;
}
.introduction_section2:hover {
    transform: scale(1.05);
}
.introduction_title2 {
    display: block;
    width: 60%;
    margin-left: 35%;
    font-size: 50px;
    font-weight: bold;
    padding-top: 20px;
}
.introduction_subtitle2 {
    display: block;
    width: 60%;
    margin-left: 35%;
    font-weight: bold;
    font-style: italic;
    color: rgb(255, 132, 210);
    font-size: 50px;
    margin-top: 10px;
}
.introduction_content3 {
    display: block;
    width: 60%;
    margin-left: 35%;
    font-size: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.introduction_image2 {
    display: block;
    position: absolute;
    width: 33%;
    object-fit: cover;
    margin: auto;
    max-height: 80%;
    right: 65%;
    top: 10%;
    transition: all 0.5s;
}
.introduction_image2:hover {
    transform: rotate(30deg);
}
.introduction_section3 {
    position: relative;
    top: 60px;
    background-color: white;
    border: 5px solid grey;
    width: 80%;
    height: auto;
    margin: auto;
    border-radius: 30px;
    transition: all 0.5s;
}
.introduction_section3:hover {
    transform: scale(1.05);
}
.introduction_title3 {
    display: block;
    width: 60%;
    text-indent: 80px;
    font-size: 50px;
    font-weight: bold;
    padding-top: 20px;
}
.introduction_subtitle3 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-weight: bold;
    font-style: italic;
    color: rgb(0, 255, 150);
    font-size: 50px;
    margin-top: 10px;
}
.introduction_content4 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-size: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}

.introduction_image3 {
    display: block;
    position: absolute;
    width: 33%;
    max-height: 80%;
    object-fit: cover;
    margin: auto;
    left:65%;
    top: 7%;
    transition: all 0.5s;
}
.introduction_image3:hover {
    transform: rotate(-30deg);
}
.introduction_section4 {
    position: relative;
    top: 90px;
    background-color: white;
    border: 5px solid grey;
    width: 80%;
    height: auto;
    margin: auto;
    border-radius: 30px;
    transition: all 0.5s;
}
.introduction_section4:hover {
    transform: scale(1.05);
}
.introduction_title4 {
    display: block;
    width: 60%;
    text-indent: 80px;
    font-size: 50px;
    font-weight: bold;
    padding-top: 20px;
}
.introduction_subtitle4 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-weight: bold;
    font-style: italic;
    color: rgb(255, 0, 0);
    font-size: 50px;
    margin-top: 10px;
}
.introduction_content5 {
    display: block;
    width: 60%;
    text-indent: 40px;
    font-size: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.introduction_image4 {
    display: block;
    position: absolute;
    width: 33%;
    max-height: 80%;
    object-fit: cover;
    margin: auto;
    left:65%;
    top: 7%;
    transition: all 0.5s;
}
.introduction_image4:hover {
    transform: rotate(-30deg);
}
.introduction_section1:active,
.introduction_section2:active,
.introduction_section3:active,
.introduction_section4:active {
    transform: translateY(-1px);
    transition: transform 0.1s ease;
}
.about_us {
    position: relative;
    top: 120px;
    background-color: white;
    border: 7px solid grey;
    width: 80%;
    height: 1000px;
    margin: auto;
    border-radius: 30px;
}
.about_title {
    text-align: center;
    font-size: 60px;
    font-weight: bold;
    padding-top: 20px;
    color:rgb(182, 177, 177)
}
.about_image1 {
    display: block;
    position: absolute;
    top: -20px;
    width: 30%;
    height: auto;
}
.about_image2 {
    display: block;
    position: absolute;
    top: -20px;
    right: 0;
    width: 30%;
    height: auto;
}
.about_image_1 {
    display: block;
    position: absolute;
    top: 95%;
    right: 0;
    width: 30%;
    height: auto;
}
.about_image_2 {
    display: block;
    position: absolute;
    top: 95%;
    left: 0;
    width: 30%;
    height: auto;
}
.about_image6 {
    display: block;
    position: absolute;
    top: 70%;
    right: 0;
    width: 20%;
    height: auto;
    transition: all 0.5s;
}
.about_image6:hover {
    transform: scale(1.2);
}
.about_content1 {
   position: absolute;
    top: 20%;
    left: 10%;
    background-color: white;
    border: 7px solid rgb(146, 0, 175);
    width: 18%;
    height: 70%;
    margin: auto;
    border-radius: 40px;
    transition: all 0.5s;
}
.about_content2 {
    position: absolute;
    top: 20%;
    left: 40%;
    background-color: white;
    border: 7px solid rgb(146, 0, 175);
    width: 18%;
    height: 70%;
    margin: auto;
    border-radius: 40px;
    transition: all 0.5s;
}
.about_content3 {
position: absolute;
    top: 20%;
    left: 70%;
    background-color: white;
    border: 7px solid rgb(146, 0, 175);
    width: 18%;
    height: 70%;
    margin: auto;
    border-radius: 40px;
    transition: all 0.5s;
}
.about_content1:hover,
.about_content2:hover,
.about_content3:hover {
    transform: scale(1.05);
}
.about_image3,
.about_image4,
.about_image5 {
    width: 70%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.about_thing1,
.about_thing2,
.about_thing3 {
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    padding: 10px;
}
.about_content1:active,
.about_content2:active,
.about_content3:active {
    transform: translateY(-1px);
    transition: transform 0.1s ease;
}
.contact_us {
    position: relative;
    top: 300px;
    background-color: white;
    border: 7px solid rgb(105, 152, 140);
    width: 80%;
    height:1000px;
    margin: auto;
    border-radius: 30px;
}
.contact_title {
    text-align: center;
    font-size: 70px;
    padding-top: 20px;
    color:rgb(47, 106, 57)
}
.contact_image1 {
    display: block;
    position: absolute;
    top:-5%;
    left: 0;
    width: 30%;
}
.contact_image2 {
    display: block;
    position: absolute;
    top:auto;
    right: 0;
    width: 15%;
}
.contact_image3 {
    display: block;
    position: absolute;
    bottom: 0;
    right: 10%;
    width: 50%;
}
.contact_image4 {
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 10%;
}

.contact_content {
    position: absolute;
    width: 60%;
    top: 20%;
    left: 20%;
    font-size: 30px;
    font-weight: bold;
}
.contact_content1 {
    position: absolute;
    width: 60%;
    top: 70%;
    left: 10%;
    font-size: 30px;
    color: grey;
}
.contact_button {
    position: absolute;
    top: 85%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    gap: 40px;
    font-weight: bold;
    color: rgb(0, 255, 55);
    display: flex;
    width: auto;
    border-radius: 25px;
}
.another-btn {
    float: left;
}
.another-btn {
    border-radius: 25px;
    text-align: center;
    font-size: 50%;
    flex: 1;
    text-decoration: none;
    background-color: green;
    color: rgb(255, 255, 255);
    display: block;
    height: 80px;
    line-height: 80px;
    padding: 0 60px;
    width: 100px;
    transition: all 0.5s;
}
.another-btn:hover{
    transform: scale(1.05);
    background-color: rgb(35, 124, 0);
    color: rgb(164, 164, 164);
}
.another-btn:active {
    transform: scale(0.95);
    background-color: rgb(20, 100, 0);
    transition: all 0.1s ease;
}
.qq-btn-wrapper {
    position: relative;
    display: inline-block;
}

.qq-btn {
    border-radius: 25px;
    text-align: center;
    font-size: 50%;
    background-color: green;
    color: white;
    height: 80px;
    line-height: 80px;
    padding: 0 60px;
    min-width: 100px;
    transition: all 0.5s;
    cursor: pointer;
}

.qq-btn:hover {
    transform: scale(1.05);
    background-color: rgb(35, 124, 0);
    color: rgb(164, 164, 164);
}

.qq-qrcode {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 3px solid #00aaff;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.qq-btn-wrapper:hover .qq-qrcode {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(10px);
}

.qq-qrcode img {
    width: 180px;
    height: 250px;
    display: block;
    border-radius: 5px;
}

html {
    scroll-behavior: smooth;
}
html {
    scroll-padding-top: 90px;
}
.QA {
    position: relative;
    top: 400px;
    background-color: white;
    border: 10px solid #368dff;
    width: 80%;
    height:1000px;
    margin: auto;
    border-radius: 30px;
}
.background_QA {
    position: absolute;
    top: 8%;
    width: 100%;
    display: inline-block;
    object-fit: cover;
    object-position: top;
    max-height: 92%;
    border-radius: 30px;
}
.QA_title {
    position: absolute;
    left: 50%;
    top: 10%;
    transform: translate(-50%, -50%);
    font-size: 60px;
    font-weight: bold;
    color: #000000;
    text-shadow: 2px 2px 4px #000000;
}
.qa-container {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-height: 70%;
    overflow-y: auto;
    z-index: 1;
    padding: 20px;
}

.question-item summary {
    list-style: none;
    position: relative;
}

.question-item summary::-webkit-details-marker {
    display: none;
}

.question-item {
    background-color: rgba(255, 255, 255, 0.9);
    margin: 15px 0;
    border-radius: 12px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.question-item:hover {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px) scale(1.02);
}

.question {
    padding: 20px 25px;
    font-size: 26px;
    font-weight: bold;
    color: #333;
    transition: all 0.3s ease;
    position: relative;
    user-select: none;
    outline: none;
}

.question::after {
    content: "▼";
    position: absolute;
    right: 25px;
    color: #368dff;
    font-size: 16px;
    transition: transform 0.3s ease;
}

.question-item[open] .question::after {
    transform: rotate(180deg);
}

.question-item[open] .question {
    background-color: rgba(54, 141, 255, 0.1);
    color: #368dff;
}

.answer {
    max-height: 0;
    opacity: 0;
    padding: 0 25px;
    font-size: 22px;
    color: #444;
    line-height: 1.6;
    background-color: rgba(248, 250, 252, 0.9);
    overflow: hidden;
    transition: all 0.3s ease;
}

.question-item[open] .answer {
    max-height: 500px;
    opacity: 1;
    padding: 20px 25px;
    border-top: 1px solid #e5e7eb;
}
.back-to-top-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background-color: rgba(0, 153, 255, 0.9);
    color: white;
    border-radius: 23px;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0.85;
    visibility: visible;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.back-to-top-btn:hover {
    background-color: rgba(0, 225, 255, 0.95);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
    opacity: 1;
    border-color: rgba(255, 255, 255, 0.5);
}

.back-to-top-btn:active {
    transform: translateY(-1px);
    transition: transform 0.1s ease;
}