/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAUi-qNiXg7eU0.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAXC-qNiXg7Q.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 700;
  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(https://fonts.gstatic.com/s/lato/v15/S6u_w4BMUTPHjxsI5wq_FQftx9897sxZ.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 700;
  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(https://fonts.gstatic.com/s/lato/v15/S6u_w4BMUTPHjxsI5wq_Gwftx9897g.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjxAwXiWtFCfQ7A.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjx4wXiWtFCc.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwaPGQ3q5d0N7w.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

a {
  color: #1772d0;
  text-decoration: none;
}

a:focus,
a:hover {
  color: #f09228;
  text-decoration: none;
}

body,
td,
th,
tr,
p,
a {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px
}

strong {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
}

heading {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 22px;
}

papertitle {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 700
}

name {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 28px;
}

.one {
  width: 160px;
  height: 160px;
  position: relative;
}

.two {
  width: 160px;
  height: 160px;
  position: absolute;
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

.fade {
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

span.highlight {
  background-color: #ffffd0;
}

a {
    color: #1a0dab;
    text-decoration: none;
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

a:hover {
    color: #d61a3c; /* 悬停时的颜色 */
    text-decoration: underline; /* 添加下划线 */
}
.album-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    justify-items: center;
    align-items: center;
    padding: 20px;
}

.album {
    position: relative;
    width: 150px;
    height: 150px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.album img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.album-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 14px;
    text-align: center;
    padding: 5px 0;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    opacity: 0; /* 初始隐藏 */
    transform: translateY(10px); /* 初始向下偏移 */
    transition: opacity 0.3s ease, transform 0.3s ease; /* 添加过渡效果 */
}

.album:hover .album-title {
    opacity: 1; /* 悬停时显示 */
    transform: translateY(0); /* 回到原位 */
}

/* ------------------------------------------------------------------ */
/* e. Portfolio Section
/* ------------------------------------------------------------------ */

#portfolio {
    background: #ebeeee;
    padding-top: 90px;
    padding-bottom: 60px;
 }
 
 #portfolio h1 {
    font: 15px/24px 'opensans-semibold', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 48px;
    color: #95A3A3;
 }
 
 /* Portfolio Content */
 #portfolio-wrapper .columns {
    margin-bottom: 36px;
 }
 
 .portfolio-item .item-wrap {
    background: #fff;
    overflow: hidden;
    position: relative;
 
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
 }
 
 .portfolio-item .item-wrap a {
    display: block;
    cursor: pointer;
 }
 
 /* overlay */
 .portfolio-item .item-wrap .overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
 
    opacity: 0;
    -moz-opacity: 0;
    filter: alpha(opacity=0);
 
    -webkit-transition: opacity 0.3s ease-in-out;
    -moz-transition: opacity 0.3s ease-in-out;
    -o-transition: opacity 0.3s ease-in-out;
    transition: opacity 0.3s ease-in-out;
 
    background: url(../images/overlay-bg.png) repeat;
 }
 
 .portfolio-item .item-wrap .link-icon {
    display: block;
    color: #fff;
    height: 30px;
    width: 30px;
    font-size: 18px;
    line-height: 30px;
    text-align: center;
 
    opacity: 0;
    -moz-opacity: 0;
    filter: alpha(opacity=0);
 
    -webkit-transition: opacity 0.3s ease-in-out;
    -moz-transition: opacity 0.3s ease-in-out;
    -o-transition: opacity 0.3s ease-in-out;
    transition: opacity 0.3s ease-in-out;
 
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -15px;
    margin-top: -15px;
 }
 
 .portfolio-item .item-wrap img {
    vertical-align: bottom;
 }
 
 .portfolio-item .portfolio-item-meta {
    padding: 18px
 }
 
 .portfolio-item .portfolio-item-meta h5 {
    font: 14px/21px 'opensans-bold', sans-serif;
    color: #fff;
 }
 
 .portfolio-item .portfolio-item-meta p {
    font: 12px/18px 'opensans-light', sans-serif;
    color: #c6c7c7;
    margin-bottom: 0;
 }
 
 /* on hover */
 .portfolio-item:hover .overlay {
    opacity: 1;
    -moz-opacity: 1;
    filter: alpha(opacity=100);
 }
 
 .portfolio-item:hover .link-icon {
    opacity: 1;
    -moz-opacity: 1;
    filter: alpha(opacity=100);
 }
 
 /* popup modal */
 .popup-modal {
    max-width: 550px;
    background: #fff;
    position: relative;
    margin: 0 auto;
 }
 
 .popup-modal .description-box {
    padding: 12px 36px 18px 36px;
 }
 
 .popup-modal .description-box h4 {
    font: 15px/24px 'opensans-bold', sans-serif;
    margin-bottom: 12px;
    color: #111;
 }
 
 .popup-modal .description-box p {
    font: 14px/24px 'opensans-regular', sans-serif;
    color: #A1A1A1;
    margin-bottom: 12px;
 }
 
 .popup-modal .description-box .categories {
    font: 11px/21px 'opensans-light', sans-serif;
    color: #A1A1A1;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    text-align: left;
 }
 
 .popup-modal .description-box .categories i {
    margin-right: 8px;
 }
 
 .popup-modal .link-box {
    padding: 18px 36px;
    background: #111;
    text-align: left;
 }
 
 .popup-modal .link-box a {
    color: #fff;
    font: 11px/21px 'opensans-bold', sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
 }
 
 .popup-modal a:hover {
    color: #00CCCC;
 }
 
 .popup-modal a.popup-modal-dismiss {
    margin-left: 24px;
 }
 
 
 /* fadein/fadeout effect for modal popup
 /* ------------------------------------------------------------------ */
 
 /* content at start */
 .mfp-fade.mfp-wrap .mfp-content .popup-modal {
    opacity: 0;
    -webkit-transition: all 200ms ease-in-out;
    -moz-transition: all 200ms ease-in-out;
    -o-transition: all 200ms ease-in-out;
    -ms-transition: all 200ms ease-in-out;
    transition: all 200ms ease-in-out;
 }
 
 /* content fadein */
 .mfp-fade.mfp-wrap.mfp-ready .mfp-content .popup-modal {
    opacity: 1;
 }
 
 /* content fadeout */
 .mfp-fade.mfp-wrap.mfp-removing .mfp-content .popup-modal {
    opacity: 0;
 }
 /* 图片墙容器 */
 .image-wall {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

/* 单个图片的样式 */
.image-wall img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    cursor: pointer;
    border-radius: 8px; /* 圆角 */
    transition: transform 0.3s ease; /* 添加悬停动画 */
}

/* 悬停时放大 */
.image-wall img:hover {
    transform: scale(1.1);
}

/* 弹窗的样式 */
.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8); /* 半透明背景 */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* 弹窗中图片样式 */
.modal img {
    max-width: 80%;
    max-height: 80%;
    border-radius: 10px; /* 圆角 */
}

/* 关闭按钮样式 */
.modal .close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 24px;
    cursor: pointer;
}