/* 清楚默认格式 */
* {
    margin: 0px;
    padding: 0px;
    list-style: none;
}
.out-div {
    width: 100%;
    min-width: 1200px;
    height: 100vh;
    margin: 0 auto;
    overflow: auto;
}
/* 清除浮动 */
.clear {
    clear: both;
}
.hezi{
    width: auto;
    margin-left: auto;
    margin-right: auto;
    /* 或简写为 */
    margin: 0 auto;
    /* 设置一个具体的宽度，例如 */
    position: relative;
  }


/* 头部导航栏 */
header {
    height: 110px;
    position: relative;
    z-index: 99;
    border-bottom: 1px solid #C8C8C8;
}

.heard {
    width: 1200px;
    height: 110px;
    margin: 0 auto;
}

.heard_left {
    float: left;
    height: 110px;
}

.logo {
    float: left;
    width: 140px;
    margin-right: 30px;
}

.logo img {
    width: 100%;
}

.heard_right {
    float: right;
    line-height: 110px;
}

.heard_right a {
    font-weight: bolder;
    color: black;
    text-decoration: none;
}

.heard_right a:hover {
    text-decoration: underline;
    color: #FF3030;
}


.heard_right input {
    width: 160px;
    height: 40px;
    background: #F5F5F5;
    border: 0px;
    border-radius: 20px;
    padding: 0px 10px;
    margin-right: 10px;
}

.heard_right input::placeholder {
    color: #999E9C;
}

nav {
    float: left;
    height: 100%;
}

.rop-down-menu {
    display: inline-block;
}

nav ul>li {
    float: left;
    height: 110px;
    line-height: 110px;
    margin-right: 30px;

}

nav ul>li>a {
    text-decoration: none;
    color: black;
    font-weight: bolder;
}

nav ul>li>a:hover {
    color: #FF3030;
    text-decoration: underline;
}


.drop-down-menu {
    width: 64px;
}

.drop-down-menu>a {
    color: #000;
    font-weight: bolder;
    text-decoration: none;
}

.drop-down-menu:hover>a {
    color: #FF3030;
    text-decoration: underline;
}

.drop-box {
    display: none;
}

.rop-down-menu-box:hover .drop-box {
    display: block;
    border-top: 4px solid #FF3030;
    position: relative;
    top: -10px;
    background-color: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    width: 200px;
    line-height: 30px;
}

.drop-box a {
    display: block;
    color: #878787;
    text-decoration: none;
    padding: 10px;
    font-weight: bolder;
}

.drop-box a:hover {
    color: #000;
    text-decoration: underline;
}

/* banner栏目 */
#banner {
    position: relative;
    height: 540px;
    margin: 0 auto;
    background: url(../images/banner.png) no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    /* 设置最小宽度为 1100px */
}

.little_box {
    position: relative;
    width: 1400px;
    margin: 0 auto;
}

.banner_text {
    width: 700px;
    color: #fff;
    float: left;
    margin-left: 145px;
    margin-top: 135px;
}

.banner_text p {
    line-height: 30px;
    margin-top: 30px;
}

.index_more {
    width: 126px;
    height: 40px;

}
.banner_text>.index_more{
    position: absolute;
    top: 440px;
}

.Change{
    width: 780px;
    height: 150px;
    margin-top: 5px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.Change>span{
    font-size: 30px;
    font-weight: 500;
    
}

.point{
    margin: 10px;
    font-size: 45px;
    font-weight: 600;    
}

.index_more a {
    display: inline-block;
    width: 100%;
    height: 100%;
    text-align: center;
    letter-spacing: 4px;
    background-color: #FF3030;
    color: #fff;
    text-decoration: none;
    line-height: 40px;
    border-radius: 10px;
    margin-top: 20px;
    font-size: 14px;
}

.index-img {
    float: right;
    width: 200px;
    margin-right: 150px;
    margin-top: 100px;
    transition: transform 0.3s;
    cursor: pointer;
    /* 添加过渡效果，实现平滑的动画 */
}

.index-img img {
    width: 100%;
}

/* 当鼠标悬停时，放大图片 */
.index-img:hover {
    transform: scale(1.1);
    /* 将图片放大1.1倍 */
}
#back-to-top {
    position: fixed;
    bottom: 20px; /* 调整距离底部的距离 */
    right: 20px; /* 调整距离右侧的距离 */
    display: none; /* 初始状态下隐藏按钮，可通过JavaScript动态显示 */
    width: 50px;
    height: 50px;
    background-color: #8C1B1B;
    color: #fbf8f8;
    text-align: center;
    line-height: 50px;
    border-radius: 5px;
    transition: opacity 0.3s ease;
    text-decoration: none;
}
  
  
  #back-to-top:hover {
    background-color: #e0e0e0;
    cursor: pointer;
  }
  
  /* 如果使用图标，可以添加如下样式 */
  #back-to-top::before {
    content: '\f077'; /* 使用FontAwesome或其他图标库的向上箭头图标 */
    font-family: 'Font Awesome 5 Free', sans-serif; /* 更换为实际使用的图标字体 */
    font-weight: 900;
  }
  #diancang {
    width: 100%;
    padding: 50px 0px;
    background: url(../images/bg3.png) no-repeat;
    background-position: center;
    background-size: cover;
}

  .main-character {
    width: 90%;
    margin-left: 5%;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 100px;
}

.index-character {
    position: relative;
    display: grid;
    grid-gap: 20px;
    margin-top: 65px;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
    width: 80%;
    height: 500px;
    transition: 0.25s;
}

.index-character .box {
    position: relative;
    background: var(--img);
    filter: grayscale(0) brightness(1.25);
    background-position: center;
    background-size: cover;
    transition: 0.25s;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 30px;
}

.index-character:hover .box {
    /*filter: grayscale(1);*/
    border-radius: 30px;
}

.index-character .box:hover {
    filter: grayscale(0) brightness(1.25);
}

.index-character:has(.one:hover) {
    grid-template-columns: 2fr 0.5fr 0.5fr 0.5fr 0.5fr 0.5fr;
}

.index-character:has(.two:hover) {
    grid-template-columns: 0.5fr 2fr 0.5fr 0.5fr 0.5fr 0.5fr;
}

.index-character:has(.three:hover) {
    grid-template-columns: 0.5fr 0.5fr 2fr 0.5fr 0.5fr 0.5fr;
}

.index-character:has(.four:hover) {
    grid-template-columns: 0.5fr 0.5fr 0.5fr 2fr 0.5fr 0.5fr;
}

.index-character:has(.five:hover) {
    grid-template-columns: 0.5fr 0.5fr 0.5fr 0.5fr 2fr 0.5fr;
}

.index-character:has(.six:hover) {
    grid-template-columns: 0.5fr 0.5fr 0.5fr 0.5fr 0.5fr 2fr;
}

.index-character .box:nth-child(even) {
    transform: translateY(30px);
}

.index-character .box:nth-child(odd) {
    transform: translateY(-30px);
}

.index-character .box::before {
    content: '';
    position: absolute;
    top: -1px;
    width: 100%;
    height: calc(100% + 2px);
}

.index-character .box::after {
    content: attr(data-text);
    position: absolute;
    bottom: -100px;
    /*background: #fff;*/
    /*color: #000;*/
    font-size: 1em;
    font-weight: 600;
    padding: 5px 10px;
    white-space: nowrap;
    opacity: 0;
    transition: 0.5s;
    transition-delay: 0s;
    letter-spacing: 1em;
    letter-spacing: 0.5em;
    text-transform: uppercase;
}

.index-character .box:hover::after {
    transition-delay: 0.25s;
    opacity: 1;
    bottom: -60px;
    border-radius: 30px;
}

.shell {
    position: relative;
    min-width: 1000px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    /* 设置3d变化 */
    transform-style: preserve-3d;
    /* 添加透视效果 */
    perspective: 900px;
}

.shell .box {
    position: relative;
    width: 250px;
    height: 350px;
    transition: 0.3s;
    overflow: hidden;
    margin: 30px;
    transform: rotateY(0deg);
    transition-delay: .1s;
    border-radius: 5px;
    border: #fff 5px solid;
}

/* 当鼠标所有卡片的父元素点shell上时，
所有卡片像Y轴翻转20度 */
.shell:hover .box {
    transform: rotateY(20deg);
}

/* 当鼠标悬浮在当前卡片上时，当前卡片的翻转角度为0，
并放大一点二五倍，加个阴影 */
.shell .box:hover {
    transform: rotateY(0deg) scale(1.25);
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.7);
    z-index: 1;
}

/* 当鼠标悬浮在卡片上时，
当前卡片后面的所有卡片全部都反向翻转负20度 */
.shell .box:hover~.box {
    transform: rotateY(-20deg);
}

.shell .box .images img {
    width: 100%;
}

.shell .box .content {
    position: absolute;
    top: 0;
    width: 90%;
    height: 100%;
    z-index: 999;
    padding: 15px;
}

.shell .box .content h2 {
    color: rgb(210, 140, 140);
    transition: 0.3s;
    font-size: 20px;
    transform: translateY(-100px);
}

.shell .box:hover .content h2 {
    transform: translateY(-15px);
}

.shell .box .content p {
    color: rgb(0, 0, 0);
    transition: 0.3s;
    font-size: 14px;
    transform: translateY(600px);
    background-color: rgba(255, 255, 255, 0.7);
}

.shell .box:hover .content p {
    transform: translateY(220px);
}
  .site-footer {
    margin-top: 20px;
    background-image: url("../images/index-back-2.png");
    /*background: linear-gradient(135deg, #fefafa, #f4d794);*/
    color: #fff;
    padding: 40px 0;
    width: 100%;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    width: 1200px;
    margin: 0 auto;
    margin-top: -20px;
    padding: 0 20px;
}

.footer-container h3 {
    /*margin-bottom: 15px;*/
    color: #fcfbfb;
    font-size: 28px;
}

.footer-container p {
    color: rgb(251, 250, 250);
    font-size: 15px;
    opacity: 0.5;
}

.footer-links ul, .footer-social a {
    list-style: none;
    padding: 0;
}

.footer-links ul li a, .footer-social a {
    color: rgb(255, 253, 253);
    font-size: 20px;
    opacity: 0.5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover, .footer-social a:hover {
    color: #f8f6f6;
}

.footer-subscribe form {
    display: flex;
    gap: 10px;
}

.footer-subscribe input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px;
}

.footer-subscribe button {
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    background-color: #fbf8f8;
    color: #f1f1f1;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.footer-subscribe button:hover {
    background-color: #f1f1f1;
}

.footer-social {
    text-align: center;
}

.footer-social img {
    height: 100px;
}
/* <!-- lishi --> */
.shell {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 380px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -80px;
}

.prev,
.next {
    transition: transform 0.25s ease;
    z-index: 99999;
    bottom: 5px;
}

.prev i,
.next i {
    font-size: 90px;
    color: #fff;
    cursor: pointer;
    text-shadow: 0 0 10px #ffffff;
}

.shell_body {
    width: 100%;
    transform: scale(.8);
    padding: 20px 0 150px 0;
}

.shell_slider {
    position: relative;
    transition: transform 1s ease-in-out;
    background: transparent;
}

.item {
    position: relative;
    float: left;
    margin: 0 20px;
}

.frame {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 1s ease-in-out;
    transform-style: preserve-3d;
}

.frame:after {
    content: "";
    position: absolute;
    bottom: -16%;
    width: 100%;
    height: 60px;
    background: #ffffff1c;
    box-shadow: 0px 0px 15px 5px #ffffff1c;
    transform: rotateX(90deg) translate3d(0px, -20px, 0px);
}

.box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid #fff;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.box h1,
.box span {
    color: #fff;
    transform: translateZ(20px);
}

.box h1 {
    text-shadow: 0 0 30px #1f05b4;
    font-size: 100px;
}

.box span {
    position: absolute;
    bottom: 20px;
    padding: 0 25px;
    text-shadow: 0 0 10px #1f05b4;
}

.front,
.left,
.right {
    box-shadow: 0 0 50px #ffffff;
    background-size: cover;
}

.right,
.left {
    top: 0;
    width: 60px;
    backface-visibility: hidden;
}

.left {
    left: 0;
    border-left-width: 5px;
    transform: translate3d(1px, 0, -60px) rotateY(-90deg);
    transform-origin: 0%;
}

.right {
    right: 0;
    border-right-width: 5px;
    transform: translate3d(-1px, 0, -60px) rotateY(90deg);
    transform-origin: 100%;
}
.history-development {
    width: 1000px;
    height: 1550px;
    margin: 0 auto;
}
.history-logo {
    width: 240px;
    height: 77px;
    margin: 40px auto 0;
}
.history-logo img {
    width: 100%;
    height: 100%;
}
.tang {
    width: 1000px;
    height: 230px;
    margin: 70px auto 0;
    background: url(../images/sk1.png) no-repeat;
}
.xia-one {
    position: relative;
    width: 1000px;
    height: 140px;
    margin: 0 auto;
}
.mingqin {
    width: 1000px;
    height: 380px;
    margin: 0 auto;
    background: url(../images/sk2.png) no-repeat;
}
.xia-two {
    position: relative;
    width: 1000px;
    height: 140px;
    margin: 0 auto;
}
/* 下箭头 */
.xia-pic {
    position: absolute;
    left: 80px;
    top: 20px;
    width: 64px;
    height: 100px;
    /* margin: 0px 0 0 80px; */
}
.xia-pic img {
    width: 64px;
    height: 100px;
}
.zhijin {
    position: relative;
    width: 1000px;
    height: 300px;
    margin: 0 auto 100px;
    background: url(../images/sk3.png)
}
    .tang p:nth-child(1) {
    font-size: 36px;
    font-family: "Songti TC", "宋体", "Songti SC";
    font-weight: bold;
    src: url("../images/regular.ttf");
    color: #cc3333;
    padding-left: 430px;
    /* padding-top: 28px; */
    padding-top: 0;
}
.tang p:nth-child(2) {
    font-size: 24px;
    font-family: "Songti TC", "宋体", "Songti SC";
    src: url("../images/regular.ttf");
    padding-left: 246px;
    line-height: 40px;
    padding-right: 85px;
    padding-top: 55px;
}
.mingqin p:nth-child(1) {
    font-size: 36px;
    font-family: "Songti TC", "宋体", "Songti SC";
    font-weight: bold;
    src: url("../images/regular.ttf");
    color: #cc3333;
    padding-left: 430px;
    /* padding-top: 26px; */
}
.mingqin p:nth-child(2) {
    font-size: 24px;
    font-family: regular;
    font-family: "Songti TC", "宋体", "Songti SC";
    padding-left: 246px;
    line-height: 40px;
    padding-right: 85px;
    padding-top: 55px;
}
.zhijin p:nth-child(1) {
    font-size: 36px;
    font-family: "Songti TC", "宋体", "Songti SC";
    font-weight: bold;
    src: url("../images/regular.ttf");
    color: #cc3333;
    padding-left: 430px;
    /* padding-top: 26px; */
}
.zhijin p:nth-child(2) {
    font-size: 24px;
    font-family: regular;
    font-family: "Songti TC", "宋体", "Songti SC";
    padding-left: 246px;
    line-height: 40px;
    padding-right: 85px;
    padding-top: 55px;
}
/* <!-- 石窟专题 --> */
#Mural_Special_Topic {
    position: relative;
    width: 100%;
    padding: 50px 0px;
    background: url(../images/bg1.png);
}

.bg2 {
    top: 0px;
    width: 300px;
    position: absolute;
    display: block;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.bg2 img {
    width: 300px;
}

.Mural_Special_Topic_box {
    width: 1200px;
    margin: 0 auto;
}

.h2 {
    position: relative;
    z-index: 3;
    text-align: center;
}

.h2 h2 {
    font-size: 40px;
}

.h2 p {
    color: #878787;
    line-height: 30px;
    margin-top: 10px;
}

.Mural_Special_list {
    margin-top: 30px;
}

.Mural_Special_list li {
    display: inline-block;
    width: 226px;
    margin: 15px;
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 20px;
    transition: transform 0.3s;
    cursor: pointer;
}

/* 当鼠标悬停时，放大图片 */
.Mural_Special_list li:hover {
    transform: scale(1.1);
    /* 将图片放大1.1倍 */
}


.Mural_Special_list li img {
    width: 100%;
}

.Mural_Special_list li h3 {
    font-size: 26px;
    line-height: 40px;
    margin: 10px 0px;
}

.Mural_Special_list_txt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
    color: #999;
    line-height: 26px;
}

.Mural_Special_list_number {
    font-size: 14px;
    color: #cdcdcd;
    margin-top: 10px;
}

.Mural_Special_list_number span {
    color: #bf4800;
}
/* <!-- 造像专题 --> */
#Mural_Special_Topic {
    position: relative;
    width: 100%;
    padding: 50px 0px;
    background: url(../images/bg1.png);
}

.bg2 {
    top: 0px;
    width: 300px;
    position: absolute;
    display: block;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.bg2 img {
    width: 300px;
}

.Mural_Special_Topic_box {
    width: 1200px;
    margin: 0 auto;
}

.h2 {
    position: relative;
    z-index: 3;
    text-align: center;
}

.h2 h2 {
    font-size: 40px;
}

.h2 p {
    color: #878787;
    line-height: 30px;
    margin-top: 10px;
}

.Mural_Special_list {
    margin-top: 30px;
}

.Mural_Special_list li {
    display: inline-block;
    width: 226px;
    margin: 15px;
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 20px;
    transition: transform 0.3s;
    cursor: pointer;
}

/* 当鼠标悬停时，放大图片 */
.Mural_Special_list li:hover {
    transform: scale(1.1);
    /* 将图片放大1.1倍 */
}


.Mural_Special_list li img {
    width: 100%;
}

.Mural_Special_list li h3 {
    font-size: 26px;
    line-height: 40px;
    margin: 10px 0px;
}

.Mural_Special_list_txt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
    color: #999;
    line-height: 26px;
}

.Mural_Special_list_number {
    font-size: 14px;
    color: #cdcdcd;
    margin-top: 10px;
}

.Mural_Special_list_number span {
    color: #bf4800;
}
/* <!-- 走进天龙 --> */
#literature {
    width: 100%;
    background: url(../images/wenxian.png) no-repeat;
    background-position: center;
    background-size: cover;
    padding: 50px 0px;
}

#literature .h2 {
    color: #fff;
}

#literature_box {
    width: 1200px;
    margin: 0 auto;
    margin-top: 60px;
}

.literature_box_left {
    color: #fff;
    line-height: 30px;
    display: inline-block;
}

.literature_box_left ul {
    margin-top: 40px;
}

.literature_box_left ul li {
    margin-bottom: 30px;
    font-size: 20px;
    color: #B9B6B4;
    cursor: pointer;
}

.literature_box_left ul li:hover {
    color: #fff;
}

.literature_box_right {
    width: 590px;
    float: right;
    top: 0px;
}

.literature_box_right img {
    width: 100%;
}


/* <!-- 共创作品 --> */

#Co_create_works {
    width: 100%;
    padding: 50px 0px;
    background: url(../images/bg3.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box {
    width: 1200px;
    margin: 0 auto;
}

.Co_create_works_box li {
    width: 296px;
    display: inline-block;
    margin: 30px 30px;
    background-color: #fff;
    border-radius: 20px;
    padding: 20px 20px;
}

.works_box_img {
    width: 100%;
    height: 296px;
    overflow: hidden;
    /* 隐藏超出容器的部分 */
    text-align: center;
    /* 图片水平居中 */
    position: relative;
}



.Co_create_works_box li:nth-child(1) .works_box_img {
    background: url(../images/create1.jpg) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box li:nth-child(2) .works_box_img {
    background: url(../images/create2.jpg) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box li:nth-child(3) .works_box_img {
    background: url(../images/create3.jpg) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box h3 {
    font-size: 26px;
    line-height: 40px;
    margin: 10px 0px;
}

.Co_create_works_box li {
    transition: transform 0.3s;
    cursor: pointer;
}

/* 当鼠标悬停时，放大图片 */
.Co_create_works_box li:hover {
    transform: scale(1.1);
    /* 将图片放大1.1倍 */
}

.works_box_txt {
    height: 78px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
    color: #999;
    line-height: 26px;
}
/* 留言板整体容器样式 */

.appreciations-message {

    max-width: 800px; /* 设置最大宽度以适应不同屏幕 */

    margin: 0 auto; /* 居中显示 */

    padding: 20px;

    background-color: #f8f9fa; /* 背景色 */

    box-shadow: 0 0 10px rgba(0,0,0,0.1); /* 阴影效果 */

    border-radius: 5px;

}


/* 留言板标题 */

.messages h1 {

    text-align: center; /* 居中对齐标题 */

    margin-bottom: 30px; /* 下边距 */

    color: #343a40; /* 字体颜色 */

    font-size: 24px; /* 字体大小 */

}


/* 表单样式 */

.form {

    display: flex; /* 弹性布局 */

    flex-direction: column; /* 垂直排列表单项 */

}


/* 输入框和文本区域样式 */

.form input, .form textarea {

    padding: 10px; /* 内边距 */

    margin-bottom: 15px; /* 下边距 */

    border: 1px solid #ced4da; /* 边框 */

    border-radius: 5px; /* 圆角 */

    font-size: 16px; /* 字体大小 */

}


/* 文本区域额外样式 */

.form textarea {

    resize: vertical; /* 允许垂直调整大小 */

    min-height: 120px; /* 最小高度 */

}


/* 提交按钮样式 */

#submitBtn {

    padding: 10px 20px; /* 内边距 */

    background-color: #007bff; /* 背景颜色 */

    color: #fff; /* 文字颜色 */

    border: none; /* 无边框 */

    border-radius: 5px; /* 圆角 */

    cursor: pointer; /* 鼠标指针 */

    font-size: 16px; /* 字体大小 */

    transition: all 0.3s; /* 过渡效果 */

}


/* 按钮悬停效果 */

#submitBtn:hover {

    background-color: #0056b3; /* 悬停时颜色加深 */

}




.footer-links ul, .footer-social a {
    list-style: none;
    padding: 0;
}

.footer-links ul li a, .footer-social a {
    font-family: hy;
    color: rgb(251, 250, 250);
    font-size: 20px;
    opacity: 0.5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover, .footer-social a:hover {
    color: #cd312c;
}


.footer-social {
    text-align: center;
}

.footer-social img {
    height: 100px;
}

body {
    background-image: url("../images/index-background.png");
    margin: 0;
    overflow-x: hidden;
}

.appreciation-content {
    position: relative;
    width: 80%;
    margin: 100px auto;
}

.content-header {
    width: 90%;
    margin: 30px 5%;
}

.appreciations {
    width: 90%;
    margin-left: 5%;
    text-align: center;
    display: flex;
    justify-content: space-between;
    background-image: url("../images/index-back-2.png");
    margin-top: 20px;
}

.appreciations-left {
    width: 30%;
    margin: 10px auto;
}

.appreciations-right {
    width: 60%;
    text-align: left;
}

.appreciations-right h1 {
    font-size: 18px;
    color: #cd312c;
}

.appreciations-right p {
    color: black;
    opacity: 0.6;
    text-indent: 2em;
}

.appreciations-right button {
    background: #cd312c;
    color: #fff;
    padding: 5px 18px;
    outline: none;
    border: none;
    letter-spacing: 0.05em;
    margin-right: 20px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.5s;
    font-size: 14px;
}

.appreciations-right button:hover {
    background: red;
}

.appreciations-right a {
    text-decoration: none;
    color: white;
}

.index-header {
    font-family: hy;
    color: #cd312c;
    text-align: center;
    margin-top: -10px;
}

.wrap {
    height: 1000px;
    width: 70%;
    margin: 20px auto;
    position: relative;
}

.wrap::after {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    width: 5px;
    z-index: -999;
    height: 1000px;
    background-color: rgba(255, 255, 255, .5);
}

.box {
    position: relative;
    width: 100%;
    height:  540px;
    margin-bottom: 50px;
    display: flex;
    justify-content: space-between;
}

.left, .right {
    position: relative;
    width: 40%;
    height: 190px;
    border-radius: 15px;
    text-align: left;
    text-indent: 2em;
    color: rgb(90, 90, 90);
    padding: 10px 10px;
}

.box:nth-child(even) .left {
    background-color: rgba(255, 255, 255, .4);
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
}

.box:nth-child(odd) .right {
    background-color: rgba(255, 255, 255, .4);
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
}

.center {
    width: 15%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-family: hy1;
}

.center > span {
    width: 180px;
    border-radius: 10px;
    text-align: center;
    font-family: hy1;
    color: white;
    font-weight: bolder;
    font-size: 27px;
    line-height: 50px;
    background-color: #cd312c;
}

.appreciations-message {
    width: 80%;
    margin: 30px auto;
}

.messages {
    margin: 0 auto;
    width: 50%;
    padding: 20px 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-image: url("../images/index-back-2.png");
    border-radius: 40px;
    box-shadow: 0 10px 50px #00000019;
}

.messages
.form {
    display: flex;
    justify-content: center;
    position: relative;
    flex-direction: column;
    width: 100%;
    padding-bottom: 90px;
}

.messages
input:focus,
textarea:focus {
    outline: none;
}

.messages
input,
textarea {
    border: none;
    color: #000;
    margin-bottom: 40px;
    font: 900 20px '';
    border-radius: 10px;
    padding: 20px;
}

#username {
    height: 20px;
}

#message {
    height: 200px;
}

.messages h1 {
    width: 100%;
    text-align: left;
    margin-bottom: 70px;
    font-size: 50px;
    font-family: hy1;
    background-image: linear-gradient(135deg, #cd312c 0%, #e74c3c 100%);
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 10px;
}

#submitBtn {
    position: absolute;
    right: 0;
    bottom: 0;
    background-image: linear-gradient(90deg, #ebaaa8 0%, #e74c3c 100%);
    border: none;
    font-size: 25px;
    letter-spacing: 5px;
    width: 150px;
    height: 50px;
    border-radius: 20PX;
    color: white;
}

#messageBoard {
    width: 100%;
    text-align: left;
}

@keyframes messageFadeIn {
    to {
        opacity: 1;
    }
}

.message {
    width: 100%;
    margin: 10px;
    padding: 10px;
    opacity: 0;
    animation: messageFadeIn 0.5s ease forwards;
    background-image: linear-gradient(90deg, #ef9693 0%, #eebbb6 100%);
    background-color: #fff;
    margin: 70px 0;
    border-radius: 10px;
    box-shadow: 0 10px 20px #00000026;
    text-shadow: 0px 0px 20px #ffffff;
}

.message-info {
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 20px;
    color: white;
    position: relative;
}


.info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 4px #fff solid;
}

strong {
    position: absolute;
    letter-spacing: 3px;
    margin: 26px 20px;
}

.message-info span {
    position: absolute;
    top: 35px;
    right: 10px;
}

.form-content {
    font-size: 20px;
    margin: 30px auto;
    width: 95%;
    text-indent: 2em;
}

.appreciations-message {
    background-image: url('../images/index-back-2.png'); /* 设置背景图片路径 */
    background-size: cover; /* 背景图片铺满整个容器 */
    background-position: center; /* 背景图片居中 */
    /* 如果需要固定背景图片，可以添加下面的属性 */
    background-attachment: fixed;
}

/* 底部版权信息 */
footer {
    position: relative;
    background-color: #000;
    padding: 60px 0px;
}

#footer {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    color: #878787;
    font-size: 14px;
}

.footer_left {
    position: absolute;
    left: 0px;
    bottom: 0px;
    width: 100px;
}

.footer_right {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 100px;
}

/* <!-- 第二导航栏 --> */

#nav2 {
    width: 100%;
    line-height: 45px;
    background-color: #8C1B1B;
}

.nav2_box {
    width: 1200px;
    margin: 0 auto;
    color: #fff;
}

.nav2_box a {
    color: #fff;
    text-decoration: none;
}

/* 美成天龙 */

#banner2 {
    width: 100%;
    height: 140px;
    background-color: #000;
}

.banner2 {
    width: 1200px;
    height: 140px;
    background: url(../images/banner-two.png) no-repeat;
    background-size: cover;
    background-position: center;
    color: #fff;
}

.banner2 h3 {
    padding-left: 800px;
    line-height: 80px;
    color: #812918;
    font-size: 30px;
}

.banner2 p {
    padding-left: 840px;
    color: #B4B4B4;
    font-size: 20px;
}
.introduce{
    margin-top: 50px;
    margin-left: 5%;
    width: 90%;
}
.section1{
    z-index: 10;
    height: 380px;
}
.section1 img{
    width: 100%;
    height: auto;
    border-radius: 20px;
}
.sec1_content{
    position: absolute;
    margin-top: -200px;
    margin-left: 45px;
}
.sec1_content h1{
    font-size: 50px;
    font-weight: 5;
    margin-top: -200px;
}
.sec1_content h3{
    font-size: 20px;
    font-weight: 2;
    margin-left: 5px;
    margin-top: 20px;
}
.sec1_content .sec1_video{
    width: 80%;
    display: flex;
    margin-top: 60px;
    opacity: 0.9;
}
.sec1_content .sec1_video video{
    width: 330px;
    border-radius: 8px;
}

#main_box {
    width: 1100px;
    margin: 0 auto;
    margin-top: 100px;
    margin-bottom: 60px;
}

#main_box h3 {
    font-size: 30px;
    border-bottom: 1px solid #EEEEEE;
    padding: 10px 0px;
    margin-bottom: 30px;
}

#main_box h3 span {
    color: #878787;
    font-size: 20px;
    margin-left: 10px;
}

.main_txt {
    padding: 20px;
}

.main_txt {
    padding: 20px;
}

.wenhua {
    float: left;
    width: 200px;
    margin-right: 20px;
    margin-bottom: 20px;
}

.main_txt p {
    text-indent: 2rem;
    line-height: 2em;
    color: #333;
    margin-bottom: 20px;
}

/* 壁画专题 */
#illustrate {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#illustrate img {
    width: 100%;
}

.illustrate_box {
    position: absolute;
    width: 100%;
    text-align: center;
    color: #fff;
    top: 40px;
}

.illustrate_box p {
    width: 1000px;
    margin: 0 auto;
}

.illustrate_box h3 {
    font-size: 40px;
    line-height: 100px;
}

@keyframes zoom {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    /* 图片放大到1.1倍大小 */
    100% {
        transform: scale(1);
    }
}

#illustrate img {
    width: 100%;
    animation: zoom 5s infinite;
    /* 5秒的动画，无限循环 */
}

.main_box2 ul {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 60px;
}

.main_box2 ul li {
    width: 266px;
    display: inline-block;
    margin: 0px 15px;
    margin-bottom: 30px;
}

.main_box2 ul li {
    transition: transform 0.3s;
    cursor: pointer;
}

/* 当鼠标悬停时，放大图片 */
.main_box2 ul li:hover {
    transform: scale(1.1);
    /* 将图片放大1.1倍 */
}


.main_box2 ul li p {
    text-align: left;
}

.main_box2 ul li p:nth-child(2) {
    font-size: 20px;
    margin: 10px 0px;
}

.main_box2 ul li p:nth-child(3) {
    font-size: 14px;
    color: #878787;
    margin-bottom: 10px;
}

.main_box2 ul li p:nth-child(4) {
    color: #FDCE4C;
}

.list_img {
    position: relative;
    width: 100%;
}
.list2_img {
    position: relative;
    width: 100%;
}
.list_img img {
    width: 100%;
    height: 180px;
}
.list2_img img {
    width: 100%;
    height: auto;
}
.list_img span {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: #9c3925;
    color: #fff;
    padding: 5px 10px;
    font-size: 14px;
    letter-spacing: 4px;
}
.list2_img span {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: #9c3925;
    color: #fff;
    padding: 5px 10px;
    font-size: 14px;
    letter-spacing: 4px;
}
/* 走进天龙 */
#Documents_box {
    width: 100%;
}

#Documents_box ul li {
    float: left;
    width: 48%;
    background-color: #F1ECE6;
    box-sizing: border-box;
    padding: 10px;
    border-radius: 10px;
    margin-top: 30px;
    overflow: hidden;
    height: 220px;
}

#Documents_box ul li:nth-child(2n) {
    margin-left: 4%;
}

.jing_img {
    float: left;
    height: 200px;
    text-align: center;
    width: 200px;
    background-color: #FFFFFF;
    border-radius: 10px;
    margin-right: 20px;
    overflow: hidden;
}

.jing_img img {
    height: 100%;
}

.jing_txt p:nth-child(1) {
    font-size: 20px;
    font-weight: bolder;
}

.jing_txt p:nth-child(2) {
    font-size: 12px;
    line-height: 30px;
}

.jing_txt p:nth-child(2) span {
    color: #9c3925;
}

.jing_txt p:nth-child(3) {
    color: #483C34;
    line-height: 26px;
    font-size: 14px;
}

/* 共创作品 */
#main_box2 {
    width: 100%;
    background-color: #F2EEE8;
}

#main_box2 h3 {
    font-size: 30px;
    padding: 10px 0px;
}

#main_box2 h3 span {
    color: #878787;
    font-size: 20px;
    margin-left: 10px;
}

.mian_box2 {
    width: 1200px;
    margin: 0 auto;
    padding-top: 60px;
    padding-bottom: 60px;
}

.Co_create_works_box li:nth-child(4) .works_box_img {
    background: url(../images/create4.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box li:nth-child(5) .works_box_img {
    background: url(../images/create5.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Co_create_works_box li:nth-child(6) .works_box_img {
    background: url(../images/create6.png) no-repeat;
    background-position: center;
    background-size: cover;
}

/* 登陆页面 */
#form_box {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: url(../images/bg5.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.yunduo {
    height: 100%;
    animation: moveCloud 60s linear infinite;
}

@keyframes moveCloud {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(calc(100vw - 100%));
    }

    100% {
        transform: translateX(0);
    }
}

.logo_a {
    position: absolute;
    top: 20px;
    left: 20px;
}

.logo_a img {
    width: 100px;
    border-radius: 20px;
    opacity: 0.8;
}

.form_list {
    position: absolute;
    width: 360px;
    padding: 30px;
    background-color: #000;
    z-index: 2;
    right: 4%;
    top: 50%;
    border-radius: 20px;
    margin-top: -200px;
}

.form_list ul li {
    margin-bottom: 20px;
}

.form_title {
    color: #BBBBBB;
    margin-bottom: 20px;
}

.form_title :hover {
    color: #fff;
}

.form_title span:hover>div {
    background-color: #FF1124;
}


.form_title span {
    float: left;
    width: 40px;
    text-align: center;
    margin-right: 20px;
    cursor: pointer;
}

.form_title span div {
    width: 100%;
    height: 4px;
    background-color: #000;
    border-radius: 2px;
    margin-top: 5px;
}

.title_style {
    color: #fff;
}

.title_style div {
    background-color: #FF1124 !important;
}

.list_in input {
    width: 100%;
    height: 60px;
    box-sizing: border-box;
    padding: 0px 10px;
    background-color: #323232;
    border: 0px;
    border-radius: 10px;
    color: #fff;
}

.list_in input::placeholder {
    color: 808080;
    font-weight: bolder;
}

input:focus {
    outline: none;
    /* 去掉默认的聚焦边框 */
    /* 或者您可以将边框样式设置为其他样式，如下所示 */
    /* border: 1px solid #999; */
}

.xieyi {
    color: #fff;
    font-size: 14px;
    line-height: 30px;
}

.xieyi input {
    position: relative;
    top: 2px;
    width: 14px;
    height: 14px;
    margin-right: 5px;
    border: 0px;
}

.caozuo button {
    width: 100%;
    height: 60px;
    border: 0px;
    background-color: #FF1124;
    color: #fff;
    font-weight: bolder;
    letter-spacing: 10px;
    border-radius: 10px;
}
/*数据图*/
.frame_box {
    width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.frame_box iframe {
    width: 50%;
    text-align: center;
    margin-bottom: 30px;
}
.frame_box iframe:nth-of-type(1) {
    width: 100%;
}
.frame_box rect {
    width: 300px;
}
 /* 全局字体设置 */
 footer, footer * {
    font-family:"hy";
    src: url("../images/hy.ttf");
    line-height: 1.6; /* 调整行高以增加可读性 */
}
/* 调整各个区块的间距 */
.footer-container {
    display: flex;
    justify-content: space-between;
    padding: 30px 0; /* 上下内边距 */
}
.footer-about, .footer-links, .footer-subscribe, .footer-social {
    margin-right: 30px; /* 右侧外边距，可根据需要调整 */
}
.footer-about h3, .footer-links h3, .footer-subscribe h3, .footer-social h3 {
    margin-bottom: 10px; /* 标题下方的外边距 */
}
.footer-subscribe form input {
    margin-bottom: 5px; /* 输入框与按钮之间的间距 */
}

/*订阅按钮 */
button[type="submit"] {
background-color: #ffffff; /* 绿色背景 */
border: none; /* 移除边框 */
color: rgb(0, 0, 0); /* 白色文字 */
padding: 10px 20px; /* 内边距 */
text-align: center; /* 文字居中 */
text-decoration: none; /* 移除下划线 */
display: inline-block; /* 行内块元素 */
font-size: 16px; /* 字体大小 */
margin: 4px 2px; /* 外边距 */
cursor: pointer; /* 鼠标悬停时的指针形状 */
border-radius: 4px; /* 圆角 */
transition-duration: 0.4s; /* 过渡效果持续时间 */
 }
 /* 鼠标悬停时的颜色变化 */
 button[type="submit"]:hover {
 background-color: #bebebe; /* 悬停时更深的绿色 */
 }

/* 社交图标调整 */
.footer-social img {
    width: 180px; /* 根据实际图片大小调整 */
    height: 200px;
    vertical-align: middle; /* 确保图片与文本对齐 */
}
/* 版权声明 */
footer p {
    text-align: center; /* 文本居中 */
    margin-top: 30px; /* 与上方内容的间距 */
    font-size: 1.8em; /* 字体大小略小 */
}
@font-face {
font-family: 'hy'; /* 自定义字体名称 */
src: url('../images/hy.ttf') format('truetype'); /* 相对于CSS文件的字体路径 */
font-weight: normal;
font-style: normal;
}