html {
    font-family: 'Segoe UI', SegoeUI, 'Microsoft YaHei', 微软雅黑, "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.3;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body,
p,
ul,
li,
form,
input,
select,
textarea {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

body {
    background-color: #efefef;
}

img {
    max-width: 100%;
    border-top-style: none;
    border-right-style: none;
    border-bottom-style: none;
    border-left-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

input,
textarea {
    outline: none;
}

button {
    background-color: transparent;
    border: none;
}

:root {
    --color1: #d5b45c;
    --color2: #bb9837;
    --color3: #b2c1b1;
}

.main-section {
    padding: 50px 0px;
}

.main-container {
    max-width: 1250px;
    padding: 0px 25px;
    box-sizing: border-box;
    margin: 0px auto 0px auto;
}

.page-title1 {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
    font-size: 2rem;
    padding-bottom: 50px;
}

.page-title1::after {
    content: '';
    width: 100px;
    height: 4px;
    margin-top: 15px;
    display: inline-block;
    background-color: var(--color1);
}

.page-title2 {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
    font-size: 1.5rem;
    padding-bottom: 30px;
    font-weight: bold;
}

.page-title2::after {
    content: '';
    width: 100%;
    height: 2px;
    margin-top: 15px;
    display: inline-block;
    background-color: var(--color1);
}

.top-nav {
    width: 100%;
    justify-content: center;
    background-color: rgb(0, 0, 0, 0.3);
    text-align: center;
    position: fixed;
    top: 0px;
    z-index: 1500;
    backdrop-filter: saturate(180%) blur(20px);
}

.top-nav a {
    color: #fff;
    padding: 10px 15px;
    display: inline-block;
    font-size: 1.3rem;
}

.top-nav a:hover {
    color: #000;
}

.top-nav .btn-close-menu {
    display: none;
}

.page-top {
    background-color: var(--color3);
    background-size: cover;
}

.page-top .bk {
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.page-top .content {
    padding: 100px;
}

.page-top .logo {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.page-top .text {
    display: flex;
    justify-content: center;
    text-align: center;
    font-size: 2rem;
}

.about {}

.about .more {
    position: absolute;
    display: block;
    height: 60px;
    bottom: 0px;
    box-sizing: border-box;
    width: calc(100% - 50px);
    background: linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 1), rgba(255, 255, 255, 1));
}

.about .photo1 {
    display: flex;
    border-radius: 500px;
    width: 200px;
    height: 200px;
    justify-content: center;
    align-items: center;
    margin: 0px auto;
    overflow: hidden;
}

.about .photo1 img {
    max-width: 100%;
    min-height: 100%;
}

.about .words-self {
    font-size: 1.5rem;
    background-color: #fff;
    border-radius: 12px;
    padding: 100px 50px 50px 50px;
    margin-top: -100px;
    margin-bottom: 20px;
}

.about .words-self .quot1 img,
.about .words-self .quot2 img {
    width: 30px;
}

.about .words-self .quot2 {
    text-align: right;
}

.about .words-self .quot2 img {
    rotate: 180deg;
}

.about .words-self .text {
    text-align: center;
}

.about .words-self .text .name {
    margin-top: 10px;
    color: var(--color2);
}


.about .intro {
    background-color: #fff;
    border-radius: 12px;
    padding: 50px 50px;
}

.about .intro .text {
    padding: 0px 0px;
}

.about .intro p {
    margin-bottom: 15px;
}

.about .intro .photo {
    padding: 40px 0px;
    display: flex;
    justify-content: center;
}

.about .intro .photo-item {
    display: flex;
    height: 200px;
}

.about .intro .photo-item.img1 {
    height: unset;
    align-items: flex-start;
}

.about .intro .photo-item.img2 {
    height: 300px;
}

.about .intro .photo-item img {
    flex: 1;
}

.about .intro .photo-caption {
    display: flex;
    width: 400px;
    padding: 15px 25px 15px 15px;
    box-sizing: border-box;
    background-color: var(--color1);
    font-size: 14px;
    align-items: center;
}

.about .intro .art-activities ul {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.about .intro .art-activities li {
    width: calc(50% - 6px);
    background-color: #f5f5f5;
    padding: 10px;
    margin: 3px;
    box-sizing: border-box;
    border-radius: 7px;

}

.art-work .art-first {
    padding-bottom: 50px;
}

.art-work .art-first p {
    margin-bottom: 15px;
}

.art-work .items {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
    width: 100%;
}

.art-work .items .btn:nth-child(24n+19),
.art-work .items .btn:nth-child(24n+20),
.art-work .items .btn:nth-child(24n+21),
.art-work .items .btn:nth-child(24n+22),
.art-work .items .btn:nth-child(24n+23),
.art-work .items .btn:nth-child(24n+24) {
    margin-bottom: 50px;
}

.art-work .items .btn {
    display: flex;
    transition: all 0.3s;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;

}

.art-work .items .btn:hover {
    scale: 1.05;
    transition: all 0.3s;
}




.contact {}

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

.contact .link1 {
    display: flex;
    flex-direction: column;
    text-align: center;
    margin: 20px;
}

.contact .link1 img {
    display: block;
    width: 200px;
    margin-bottom: 10px;
}



.dialog-art {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: saturate(180%) blur(20px);
    z-index: 2000;
    top: 0px;
    left: 0px;
    visibility: hidden;
}

.dialog-art .dialog-box {
    position: relative;
    background-color: #fff;
    border-radius: 14px;
}

.dialog-art .dialog-box .btn-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    background-color: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    border: 3px solid #ccc;
}

.dialog-art .dialog-box .btn-close:hover {
    background-color: #ddd;
}

.dialog-art .dialog-box .btn-close img {
    width: 20px;
}

.dialog-art .dialog-box .content {
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    max-width: 80vw;
    max-height: 80vh;
}

.dialog-art .dialog-box .content .painting-img {
    display: flex;
    align-items: flex-start;
}

.dialog-art .dialog-box .content .painting-img img {
    object-fit: contain;
    max-height: calc(80vh - 60px);
    max-width: 50vw;
}

.dialog-art .dialog-box .painting-intro {
    overflow-y: auto;
    padding: 0px 0px 0px 50px;
    flex: 1;
}

.dialog-art .dialog-box .painting-intro .painting-title {
    font-size: 2rem;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color1);
    margin-bottom: 15px;
    color: var(--color2);
}

.dialog-art .dialog-box .painting-intro .painting-type {
    font-size: 1.2rem;
    color: var(--color2);

}

.dialog-art .dialog-box .painting-intro .painting-text {
    padding-top: 20px;
    font-size: 1.2rem;
}

.nav-btn-m,
.header-m {
    display: none;
}
.loader {
    margin-left: 50px;
    width: 50px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: 
      radial-gradient(farthest-side,#cccccc 94%,#0000) top/8px 8px no-repeat,
      conic-gradient(#0000 30%,#cccccc);
    -webkit-mask: radial-gradient(farthest-side,#0000 calc(100% - 8px),#000 0);
    animation: l13 1s infinite linear;
  }
  @keyframes l13{ 
    100%{transform: rotate(1turn)}
  }
  
@media screen and (max-width: 860px) {
    .main-container {
        max-width: 100%;
        padding: 0px 15px;
    }

    .main-section {
        padding: 30px 0px;
    }

    .page-title1 {
        font-size: 1.6rem;
        padding-bottom: 50px;
    }

    .page-title2 {
        font-size: 1.2rem;
        margin-top: 20px;
    }

    .top-nav {
        width: 100vw;
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        display: none;
    }

    .top-nav a {
        color: #fff;
        padding: 10px 15px;
        font-size: 1.3rem;
        width: 70vw;
        margin-bottom: 10px;
        background-color: var(--color1);
        border-radius: 50px;

    }

    .top-nav .btn-close-menu {
        display: flex;
        justify-content: flex-end;
        padding: 30px 30px;
        width: 100%;
        box-sizing: border-box;
    }

    .top-nav .btn-close-menu .btn {
        width: 40px;
        background-color: transparent;
        border: none;
    }

    .header-m {
        display: flex;
        box-sizing: border-box;
        padding: 10px 15px;
        width: 100%;
        justify-content: center;
        background-color: rgb(0, 0, 0, 0.3);
        text-align: center;
        position: fixed;
        top: 0px;
        z-index: 1500;
        backdrop-filter: saturate(180%) blur(20px);
        align-items: center;
    }

    .header-m .logo {
        display: flex;
        align-items: flex-start;
    }

    .header-m .logo img {
        max-width: 40vw;
    }

    .header-m .btn-nav-menu {
        position: absolute;
        width: 40px;
        top: 12px;
        right: 10px;
    }

    .header-m .btn-nav-menu img {
        width: 40px;
    }

    .page-top .logo {
        display: none;
    }

    .page-top .content {
        padding: 100px 10px 30px 10px;
    }

    .page-top .text {
        font-size: 1rem;
    }

    .about .words-self {
        font-size: 1rem;
        padding: 100px 10px 30px 10px;

    }

    .about .intro {
        background-color: #fff;
        border-radius: 12px;
        padding: 15px 15px;
    }

    .about .intro .photo {
        padding: 20px 0px;
        display: flex;
        flex-direction: column;
    }

    .about .intro .photo-item {
        flex-direction: column;
        height: unset;
    }

    .about .intro .photo-caption {
        display: flex;
        width: 100%;
        padding: 15px 15px 15px 15px;
    }

    .about .intro .art-activities li {
        width: calc(100% - 6px);
    }

    .art-work .art-first {
        padding-bottom: 20px;
    }

    .art-work .items {
        grid-template-columns: repeat(3, 1fr);
    }

    .art-work .items .btn:nth-child(24n+19),
    .art-work .items .btn:nth-child(24n+20),
    .art-work .items .btn:nth-child(24n+21),
    .art-work .items .btn:nth-child(24n+22),
    .art-work .items .btn:nth-child(24n+23),
    .art-work .items .btn:nth-child(24n+24) {
        margin-bottom: 0px;
    }


    .art-work .items .btn:nth-child(15n+13),
    .art-work .items .btn:nth-child(15n+14),
    .art-work .items .btn:nth-child(15n+15) {
        margin-bottom: 50px;
    }

    .dialog-art .dialog-box .content {
        padding: 15px;
        max-width: 95vw;
        max-height: 95vh;
        flex-direction: column;
    }

    .dialog-art .dialog-box .content .painting-img {
        margin-bottom: 15px;
        justify-content: center;
    }

    .dialog-art .dialog-box .content .painting-img img {
        max-height: calc(50vh);
    }

    .about .intro .photo-item.img2 {
        height: unset;
    }

    .dialog-art .dialog-box .painting-intro {
        padding: 0px 0px 0px 0px;
    }

    .dialog-art .dialog-box .painting-intro .painting-title {
        font-size: 1.5rem;
        padding-bottom: 10px;
        margin-bottom: 10px;
        text-align: center;
    }

    .dialog-art .dialog-box .painting-intro .painting-type {
        font-size: 1rem;
    }

    .dialog-art .dialog-box .painting-intro .painting-text {
        padding-top: 15px;
        font-size: 1rem;
    }

    .dialog-art .dialog-box .btn-close {
        position: absolute;
        top: -12px;
        right: -10px;
        width: 40px;
        height: 40px;
    }

    .nav-btn-m {
        margin-top: 10px;
        display: flex;
        justify-content: center;

    }
    .nav-btn-m .btn-nav-item {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .nav-btn-m .btn-nav-item span{
        padding: 5px 15px;
        background-color: var(--color3);
        color: #000;
        font-size: 1rem;
        margin: 5px;
        border-radius: 30px;
        min-width: 130px;
        text-align: center;
    }

    .nav-btn-m .btn-nav-item::after{
        content: "";
        display: block;
        width: 0;
        height: 0;
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-bottom: 10px solid var(--color3); /* 设置三角形的颜色 */

    }
    .loader {
        margin-left: 50px;
        margin-right: 50px;
        margin-top: 30px;
    }

}