* {
    margin: 0px;
    padding: 0px;
    list-style: none;
}


.clear {
    clear: both;
}

.heard {
    padding: 20px 0px;
}

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

.heard_left {
    float: left;
    padding: 5px 0px;
}


.heard_left img {
    height: 50px;
    border-right: 1px solid #b7b5b5;
    float: left;
    margin-right: 30px;
}

.nav {
    display: inline-block;
    height: 50px;
    line-height: 50px;
}

.nav a {
    text-decoration: none;
    color: #333333;
}

.nav a {
    display: inline-block;
    padding: 0px 10px;
    margin-right: 10px;
}

.nav a:hover {
    color: #2BA0E8;
    font-weight: bold;
    border-bottom: 2px solid #2BA0E8;
}

.heard_left .home {
    color: #2BA0E8;
    font-weight: bold;
    border-bottom: 2px solid #2BA0E8;
}

.heard_right {
    float: right;
}

.heard_right input {
    border: 1px solid #cbcbcb;
    height: 32px;
    padding: 0px 20px;
    border-radius: 16px;
    margin-top: 13px;
    background: url(../images/sousuo.png) no-repeat;
    background-position: right 10px center;
    background-size: 14px;
}

.heard_right input::placeholder {
    color: #999;
    font-size: 12px;
    letter-spacing: 2px;
}

#slider-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

#slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slide {
    min-width: 100%;
    box-sizing: border-box;
}

.slide img {
    width: 100%;
}

#prev,
#next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    cursor: pointer;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 10px;
    border: none;
}

#prev {
    left: 10px;
}

#next {
    right: 10px;
}

/* 美术简介 */
.Introduction-to-Art {
    width: 1200px;
    margin: 120px auto;
}

.Introduction-to-Art-left {
    float: left;
    padding: 50px 0px;
    width: 500px;
}

.Introduction-to-Art-right {
    float: right;
}

.Introduction-to-Art-right img {
    width: 500px;
    transition: all 0.2s;
}

.Introduction-to-Art-left p:nth-child(1) {
    font-size: 16px;
    color: #333333;
    margin-bottom: 20px;
}

.Introduction-to-Art-right img:hover {
    transform: translate(0px, 0px) scale(1.1) rotate(0deg);
}

.Introduction-to-Art-left p:nth-child(2) {
    font-size: 14px;
    color: #666;
    line-height: 30px;
}

.Introduction-to-Art-left a {
    display: block;
    width: 120px;
    height: 30px;
    border: 1px solid #666;
    text-align: center;
    line-height: 30px;
    text-decoration: none;
    color: #A2A2A2;
    border-radius: 4px;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
    transition: color 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.Introduction-to-Art-left a::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #2BA0E8, #2BA0E8);
    transition: left 0.3s ease-in-out;
    z-index: -1;
}

.Introduction-to-Art-left a:hover::before {
    left: 0;
}

.Introduction-to-Art-left a:hover {
    color: #fff;
    border-color: #2BA0E8;
}


.Classification {
    overflow: hidden;
}

.Classification-box li {
    float: left;
    text-align: center;
    width: 25%;
    color: #fff;
    box-sizing: border-box;
    padding: 240px 30px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

.Classification-box li:hover {
    transform: scale(1.1);
}

.Classification-box li p:nth-child(1) {
    height: 20px;
}

.Classification-box li p:nth-child(2) {
    margin: 10px 0px;
    height: 20px;
}

.Classification-box li p:nth-child(3) {
    font-size: 14px;
    line-height: 26px;
    height: 52px;
}

.Classification-box li:nth-child(1) {
    background: url(../images/class1.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Classification-box li:nth-child(2) {
    background: url(../images/class2.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Classification-box li:nth-child(3) {
    background: url(../images/class3.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.Classification-box li:nth-child(4) {
    background: url(../images/class4.png) no-repeat;
    background-position: center;
    background-size: cover;
}

.famous-person {
    margin-top: 120px;
    margin-bottom: 120px;
}

.famous-person ul {
    text-align: center;
}

.famous-person ul li {
    display: inline-block;
    margin: 0px 100px;
    width: 220px;
    text-align: center;
}

.famous-person ul li img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
}

.famous-person ul li p:nth-child(2) {
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 5px;
}

.famous-person ul li p:nth-child(3) {
    color: #666;
    font-size: 12px;
    margin-bottom: 10px;
}

.famous-person ul li p:nth-child(4) {
    color: #999;
    font-size: 16px;
    margin-bottom: 10px;
}

.famous-paintings {
    width: 1200px;
    margin: 0 auto;
}

.famous-paintings-left {
    float: left;
    padding: 50px 0px;
    width: 500px;
}

.famous-paintings-left p:nth-child(1) {
    font-size: 16px;
    color: #333333;
    margin-bottom: 20px;
}

.famous-paintings-left p:nth-child(2) {
    font-size: 14px;
    color: #666;
    line-height: 30px;
}

.famous-paintings-right {
    position: relative;
    float: right;
    width: 500px;
    height: 300px;
}

.famous-paintings-right img {
    position: absolute;
    border: 10px solid #fff;
}

.famous-paintings-right img:nth-child(1) {
    width: 100px;
    right: 0px;
    width: 200px;
}

.famous-paintings-right img:nth-child(2) {
    width: 200px;
    top: 160px;
    right: 0px;
}

.famous-paintings-right img:nth-child(3) {
    width: 160px;
    right: 160px;
    top: 50px;
    z-index: 2;
}

.famous-paintings-right img:nth-child(4) {
    width: 220px;
    left: 0px;
}

.famous-paintings-right img:nth-child(5) {
    width: 200px;
    left: 0px;
    top: 190px;
    z-index: 3;
}

.footer {
    width: 100%;
    background-color: #191919;
}

.footer-top {
    padding: 40px 0px;
    color: #999;
    margin-top: 120px;
    text-align: center;
    font-size: 14px;
}

#banner {
    width: 100%;
}

#banner img {
    width: 100%;
}

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

.main_title {
    font-size: 20px;
    color: #333;
    margin-top: 60px;
}

.main_title {
    border-bottom: 1px solid #9c9c9c;
    padding-bottom: 20px;
}

.main_box {
    padding: 20px;
}

.main_1 {
    width: 400px;
    margin-left: 100px;
    float: right;
    margin-bottom: 120px;
}

.main_box h3 {
    color: #666;

    margin: 10px 0px;
}

.main_box p {
    font-size: 14px;
    line-height: 30px;
    color: #666;
    margin: 10px 0px;
}

.clear2 {
    height: 40px;
}

.main_box_img {
    float: right;
    width: 300px;
    margin-left: 20px;
    margin-bottom: 20px;
}

.main_box_title {
    border-left: 10px solid #2BA0E8;
    padding-left: 10px;
}

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

.famous_box ul li {
    float: left;
    width: 45%;
    margin-bottom: 40px;
}

.famous_box ul li:nth-child(2n) {
    margin-left: 10%;
}

.famous_box ul li img {
    width: 260px;
    height: 260px;
    float: left;
}

.famous_box_txt {
    float: right;
    width: 260px;
}

.famous_box_txt p:nth-child(1) {
    font-size: 20px;
    font-weight: bold;
    line-height: 40px;
}

.famous_box_txt p:nth-child(2) {
    font-size: 14px;
    color: #999;
    margin-bottom: 20px;
}

.famous_box_txt p:nth-child(3) {
    font-size: 14px;
    color: #333;
    line-height: 30px;
}

.word_box1 {
    margin-top: 60px;
    margin-bottom: 100px;
}

.word_box2 {
    margin-bottom: 100px;
}

.word_box1_right {
    float: right;
    width: 500px;
    text-align: center;
    background-color: #ecdbc0;
    overflow: hidden;
    font-size: 0px;
}

.word_box1_right img {
    height: 300px;
}

.word_box1_left {
    float: left;
    width: 500px;
}

.word_box1_left p {
    font-size: 14px;
    color: #666;
    line-height: 30px;
}

.word_box1_left p:nth-child(1) {
    font-size: 16px;
    color: #333333;
    margin-bottom: 5px;
}

.word_box1_left p:nth-child(2) {
    margin-bottom: 20px;
}

.word_box2 .word_box1_right {
    float: left;
}

.word_box2 .word_box1_left {
    float: right;
}

.word_box2 .word_box1_left p:nth-child(1) {
    text-align: right;
}

.word_box2 .word_box1_left p:nth-child(2) {
    text-align: right;
}

.contactus {
    background: url(../images/countus.png) no-repeat;
    background-position: center;
    background-size: cover;
    color: #fff;
    text-align: center;
    padding: 60px 30px;
    margin-top: 30px;
}

.contactus p:nth-child(1) {
    font-size: 30px;
    margin-bottom: 20px;
}

.contactus p:not(:nth-child(1)) {
    font-size: 14px;
    line-height: 30px;
    margin-bottom: 10px;
}

.msg_box {
    margin-top: 100px;
}

.msg_box_left {
    width: 500px;
    float: left;
}

.msg_box_left li {
    margin-bottom: 20px;
}

.msg_box_left p {
    color: #333;
    margin: 5px 0px;
}

.msg_box_left input {
    width: 100%;
    border: 1px solid #ababab;
    height: 35px;
    border-radius: 4px;
}

.msg_box_left textarea {
    width: 100%;
    border: 1px solid #ababab;
    height: 140px;
    border-radius: 4px;
}

.msg_box_left button {
    width: 240px;
    border: 1px solid #ababab;
    background-color: #2BA0E8;
    color: #fff;
    letter-spacing: 10px;
    height: 35px;
}

.msg_box_right {
    float: right;
    width: 500px;
}

.msg_box_right p:nth-child(1) {
    font-size: 30px;
    margin-bottom: 20px;
}

.msg_box_right p:not(:nth-child(1)) {
    line-height: 30px;
    margin-bottom: 10px;
}

.msg_box_right p:not(:nth-child(1)) span {
    display: inline-block;
    width: 80px;
    text-align: justify;
    /* 将文本两端对齐 */
    text-align-last: justify;
    /* 兼容性设置，支持部分浏览器 */
}