/************ CSS Styles ************
    Template Name: Boyuan - Portfolio Template
    Author: cosmos-themes
    version: 2.0
    Copyright: 2021
************************************/


/*==================================
        Table of Content
        1. Body and Core Css
        2. Preloader
        3. Navbar
        4. Banner Section
        5. About Section
        6. Services Section
        7. Research Section
        8. Portfolio Section
        9. Blogs Section
        10. Testimonial Section
        11. Contact Form Section
        12. Footer
        13. Blogs Page
        14. Single Blog Page
        15. Mobile Responsive
        16. Fallback font
==================================*/


/*============ 1. Body and Core Css ============*/

* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    text-decoration: none !important;
    list-style: none !important;
    outline: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #222;
}

img {
    width: 100%;
    height: auto;
}

a,
a:hover,
a:focus {
    color: inherit;
}

body {
    font-family: "Raleway", "arial-adjusted", "roboto-adjusted";
    position: relative;
    font-size: 16px;
    line-height: 1.65;
    color: #484848;
    -webkit-font-smoothing: antialiased;
}

p {
    font-size: 16px;
    line-height: 1.65;
    font-family: "Open Sans", sans-serif;
}

span {
    display: inline-block;
}


/*===========Margin And Paddings============*/

.mt-0 {
    margin-top: 0 !important;
}
.mt-5 {
    margin-top: 5px !important;
}
.mt-10 {
    margin-top: 10px !important;
}
.mt-15 {
    margin-top: 15px !important;
}
.mt-20 {
    margin-top: 20px !important;
}
.mt-25 {
    margin-top: 25px !important;
}
.mt-30 {
    margin-top: 30px !important;
}
.mt-35 {
    margin-top: 35px !important;
}
.mt-40 {
    margin-top: 40px !important;
}
.mt-45 {
    margin-top: 45px !important;
}
.mt-50 {
    margin-top: 50px !important;
}
.mt-55 {
    margin-top: 55px !important;
}
.mt-60 {
    margin-top: 60px !important;
}
.mt-62 {
    margin-top: 62px !important;
}
.mt-65 {
    margin-top: 65px !important;
}
.mt-70 {
    margin-top: 70px !important;
}
.mt-75 {
    margin-top: 75px !important;
}
.mt-80 {
    margin-top: 80px !important;
}
.mt-85 {
    margin-top: 85px !important;
}
.mt-90 {
    margin-top: 90px !important;
}
.mt-95 {
    margin-top: 95px !important;
}
.mt-100 {
    margin-top: 100px !important;
}
/* Custom Margin Bottom */
.mb-0 {
    margin-bottom: 0 !important;
}
.mb-5 {
    margin-bottom: 5px !important;
}
.mb-10 {
    margin-bottom: 10px !important;
}
.mb-15 {
    margin-bottom: 15px !important;
}
.mb-20 {
    margin-bottom: 20px !important;
}
.mb-25 {
    margin-bottom: 25px !important;
}
.mb-30 {
    margin-bottom: 30px !important;
}
.mb-35 {
    margin-bottom: 35px !important;
}
.mb-40 {
    margin-bottom: 40px !important;
}
.mb-45 {
    margin-bottom: 45px !important;
}
.mb-50 {
    margin-bottom: 50px !important;
}
.mb-55 {
    margin-bottom: 55px !important;
}
.mb-60 {
    margin-bottom: 60px !important;
}
.mb-62 {
    margin-bottom: 62px !important;
}
.mb-65 {
    margin-bottom: 65px !important;
}
.mb-70 {
    margin-bottom: 70px !important;
}
.mb-75 {
    margin-bottom: 75px !important;
}
.mb-80 {
    margin-bottom: 80px !important;
}
.mb-85 {
    margin-bottom: 85px !important;
}
.mb-90 {
    margin-bottom: 90px !important;
}
.mb-95 {
    margin-bottom: 95px !important;
}
.mb-100 {
    margin-bottom: 100px !important;
}
.m-0 {
    margin: 0px !important;
}
/* Custom Padding top */
.pt-0 {
    padding-top: 0 !important;
}
.pt-5 {
    padding-top: 5px !important;
}
.pt-10 {
    padding-top: 10px !important;
}
.pt-15 {
    padding-top: 15px !important;
}
.pt-20 {
    padding-top: 20px !important;
}
.pt-25 {
    padding-top: 25px !important;
}
.pt-30 {
    padding-top: 30px !important;
}
.pt-35 {
    padding-top: 35px !important;
}
.pt-40 {
    padding-top: 40px !important;
}
.pt-45 {
    padding-top: 45px !important;
}
.pt-50 {
    padding-top: 50px !important;
}
.pt-55 {
    padding-top: 55px !important;
}
.pt-60 {
    padding-top: 60px !important;
}
.pt-65 {
    padding-top: 65px !important;
}
.pt-70 {
    padding-top: 70px !important;
}
.pt-75 {
    padding-top: 75px !important;
}
.pt-80 {
    padding-top: 80px !important;
}
.pt-85 {
    padding-top: 85px !important;
}
.pt-90 {
    padding-top: 90px !important;
}
.pt-95 {
    padding-top: 95px !important;
}
.pt-100 {
    padding-top: 100px !important;
}
/* Custom Padding top */
.pb-0 {
    padding-bottom: 0 !important;
}
.pb-5 {
    padding-bottom: 5px !important;
}
.pb-10 {
    padding-bottom: 10px !important;
}
.pb-15 {
    padding-bottom: 15px !important;
}
.pb-20 {
    padding-bottom: 20px !important;
}
.pb-25 {
    padding-bottom: 25px !important;
}
.pb-30 {
    padding-bottom: 30px !important;
}
.pb-35 {
    padding-bottom: 35px !important;
}
.pb-40 {
    padding-bottom: 40px !important;
}
.pb-41 {
    padding-bottom: 41px !important;
}
.pb-42 {
    padding-bottom: 42px !important;
}
.pb-43 {
    padding-bottom: 43px !important;
}
.pb-44 {
    padding-bottom: 44px !important;
}
.pb-45 {
    padding-bottom: 45px !important;
}
.pb-50 {
    padding-bottom: 50px !important;
}
.pb-55 {
    padding-bottom: 55px !important;
}
.pb-60 {
    padding-bottom: 60px !important;
}
.pb-65 {
    padding-bottom: 65px !important;
}
.pb-70 {
    padding-bottom: 70px !important;
}
.pb-75 {
    padding-bottom: 75px !important;
}
.pb-80 {
    padding-bottom: 80px !important;
}
.pb-85 {
    padding-bottom: 85px !important;
}
.pb-90 {
    padding-bottom: 90px !important;
}
.pb-95 {
    padding-bottom: 95px !important;
}
.pb-100 {
    padding-bottom: 100px !important;
}
.p-0 {
    padding: 0 !important;
}


/*===========Helpers Css============*/

.heading {
    margin-bottom: 50px;
}

.heading h6 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.heading h2 {
    font-size: 32px;
    font-weight: 600;
    text-transform: uppercase;
}

.owl-theme .owl-dot span {
    width: 20px !important;
}

.bg-gray {
    background-color: #f2f2f2;
}

.main-btn {
    display: inline-block;
    background-color: #222;
    padding: 10px 20px;
    border: 2px solid #222;
    color: #fff;
    text-transform: uppercase;
    -webkit-transition: .2s background-color ease;
    -o-transition: .2s background-color ease;
    transition: .2s background-color ease;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.main-btn:hover {
    color: #222;
    background-color: transparent;
}

.bread-crumb a {
    color: #fff;
    display: inline-block;
    margin: 0 10px;
    position: relative;
    font-size: 14px;
    text-transform: uppercase;
}

.bread-crumb a:before {
    content: "/";
    position: absolute;
    right: -15px;
}

.bread-crumb a:last-child:before {
    display: none;
}

blockquote {
    font-size: 15px;
    color: #222;
    border-left: 4px solid #222;
    padding-left: 20px;
    margin: 40px 0;
    font-weight: 500;
}


/*============ 2. Preloader  ============*/

.preloader {
    position: fixed;
    background-color: #fff;
    z-index: 9999;
    height: 100%;
    width: 100%;
    -webkit-transition: .1s all ease;
    -o-transition: .1s all ease;
    transition: .1s all ease;
    -webkit-transition-delay: .5s;
    -o-transition-delay: .5s;
    transition-delay: .5s;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader:before,
.preloader:after {
    content: "";
    position: absolute;
    height: 50%;
    width: 100%;
    background-color: #222;
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
}

.preloader:before {
    top: 0;
    left: 0;
}

.preloader:after {
    bottom: 0;
    left: 0;
}

.preloader.loaded:before,
.preloader.loaded:after {
    height: 0%;
}

.preloader .loader {
    width: 50px;
    height: 50px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    z-index: 1;
    background-color: #fff;
    -webkit-transition: .2s all ease;
    -o-transition: .2s all ease;
    transition: .2s all ease;
    -webkit-animation: 1s infinite ease-in-out;
    animation: 1s infinite ease-in-out;
}

.preloader .loader:before,
.preloader .loader:after {
    -webkit-animation: .8s infinite ease-in-out;
    animation: .8s infinite ease-in-out;
    width: 100%;
    height: 100%;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
}

.preloader .loader:before {
    content: '';
    border: 10px solid #222;
    top: -10px;
    left: -10px;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    -webkit-animation-name: anim-loader;
    animation-name: anim-loader;
}

.preloader.loaded .loader {
    opacity: 0;
}

@-webkit-keyframes anim-loader {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes anim-loader {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}


/*============ 3. Navbar ============*/

nav.navbar {
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 999;
    padding-top: 30px;
    padding-bottom: 20px;
    -webkit-transition: all .5s ease;
    -o-transition: all .5s ease;
    transition: all .5s ease;
}

nav.navbar .logo {
    font-size: 22px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
}

nav.navbar .logo-changer {
    font-size: 28px;
    font-weight: 800;
    text-transform: lowercase;
}

nav.navbar .navbar-toggler {
    border: 0;
}

nav.navbar .navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,255,255, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E");
}

nav.navbar .nav-item {
    font-size: 13px;
    font-weight: 400;
    padding-right: 13px;
    padding-left: 13px;
    color: #fff;
    text-transform: uppercase;
}

nav.navbar .nav-item:first-child {
    padding-left: 0;
}

nav.navbar .nav-item:last-child {
    padding-right: 0;
}

nav.navbar .nav-item .nav-link {
    color: #fff;
    position: relative;
    text-decoration: none;
    padding: 0;
}

nav.navbar .nav-item .nav-link:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #fff;
    visibility: hidden;
    -webkit-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transition: all 0.3s ease-in-out 0s;
    -o-transition: all 0.3s ease-in-out 0s;
    transition: all 0.3s ease-in-out 0s;
}

nav.navbar .nav-item .nav-link.active:before {
    visibility: visible;
    -webkit-transform: scaleX(1);
    -ms-transform: scaleX(1);
    transform: scaleX(1);
}

nav.navbar .nav-item .nav-link.last-active:before {
    visibility: visible;
    -webkit-transform: scaleX(1);
    -ms-transform: scaleX(1);
    transform: scaleX(1);
}

nav.fixed-top {
    position: fixed;
    padding-top: 13px;
    padding-bottom: 13px;
    background-color: #fff;
    -webkit-box-shadow: 0px 0px 18px 1px rgba(0, 0, 0, 0.1);
    box-shadow: 0px 0px 18px 1px rgba(0, 0, 0, 0.1);
}

nav.fixed-top .logo {
    color: #000;
}

nav.fixed-top .logo:focus,
nav.fixed-top .logo:hover {
    color: #000;
}

nav.fixed-top .navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0,0,0, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E");
}

nav.fixed-top .nav-item {
    color: #000;
}

nav.fixed-top .nav-item .nav-link {
    color: #000 !important;
}

nav.fixed-top .nav-item .nav-link:before {
    background-color: #000;
}


/*============ 4. Banner Section============*/

.banner {
    width: 100%;
    -webkit-background-size: cover;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.banner:after {
    content: " ";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #000;
    z-index: 2;
    opacity: .5;
}

.banner .banner-caption {
    top: 50%;
    position: absolute;
    color: #fff;
    z-index: 11;
    width: 100%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

.banner .banner-caption h1 {
    font-size: 88px;
    font-weight: 900;
    color: #fff;
    font-display: optional;
    font-family: "arial-h1-adjusted", "roboto-h1-adjusted";
}

.banner .banner-caption p {
    font-size: 24px;
    font-family: "arial-adjusted", "roboto-adjusted";
    color: #eee;
    font-display: optional;
}

.cd-headline {
    font-size: 3rem;
    line-height: 1.2;
}

.cd-words-wrapper {
    display: inline-block;
    position: relative;
    text-align: left;
}

.cd-words-wrapper b {
    display: inline-block;
    position: absolute;
    white-space: nowrap;
    left: 0;
    top: 0;
}

.cd-words-wrapper b.is-visible {
    position: relative;
}

.no-js .cd-words-wrapper b {
    opacity: 0;
}

.no-js .cd-words-wrapper b.is-visible {
    opacity: 1;
}


/* xclip */

.cd-headline.clip span {
    display: inline-block;
    padding: .2em 0;
}

.cd-headline.clip .cd-words-wrapper {
    overflow: hidden;
    vertical-align: top;
}

.cd-headline.clip .cd-words-wrapper::after {
    /* line */
    content: '';
    position: absolute;
    top: 10%;
    right: 0;
    width: 2px;
    height: 70%;
    background-color: #aebcb9;
}

.cd-headline.clip b {
    opacity: 0;
}

.cd-headline b.is-visible {
    opacity: 1;
    font-weight: 700;
}

.arrow {
    position: absolute;
    bottom: 10vh;
    width: 100vw;
    z-index: 11;
    padding-left: 75px;
}

.arrow a {
    color: #fff;
}

.bounce {
    -webkit-animation: bounce 2s infinite;
    animation: bounce 2s infinite;
}

@-webkit-keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    40% {
        -webkit-transform: translateY(-30px);
        transform: translateY(-30px);
    }
    60% {
        -webkit-transform: translateY(-15px);
        transform: translateY(-15px);
    }
}

@keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    40% {
        -webkit-transform: translateY(-30px);
        transform: translateY(-30px);
    }
    60% {
        -webkit-transform: translateY(-15px);
        transform: translateY(-15px);
    }
}


/*===Slider Page===*/
.banner .banner-slider {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    z-index: -1;
}


/*===Creative Page===*/
#home-svg {
    height: 150px;
    width: 100vw;
    position: absolute;
    bottom: 0px;
    left: 0;
    z-index: 3;
}

#home-svg .p-curve {
    fill: #fff;
}

/*===Center Banner Captions===*/

.banner-centered .banner-caption {
    text-align: center;
}

.banner-centered .arrow {
    padding-left: 0;
    text-align: center;
}

/*===Index Particles===*/

.banner #particles-js {
  position: absolute;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100%;
  z-index: 15;
}


/*============ 5. About Section ============*/

section.about .about-img {
    position: relative;
}

section.about .about-img:before {
    content: "";
    background-color: #f2f2f2;
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: -10%;
    left: -10%;
    z-index: 0;
}

section.about .about-img img {
    position: relative;
    width: 100%;
    z-index: 1;
    -webkit-box-shadow: 0 0 85px 0 rgba(0, 0, 0, 0.14);
    box-shadow: 0 0 85px 0 rgba(0, 0, 0, 0.14);
}

section.about .about-content .about-heading {
    margin-bottom: 20px;
}

section.about .about-content .about-heading h2 {
    font-size: 32px;
    font-weight: 600;
    text-transform: uppercase;
}

section.about .about-content .about-heading span {
    font-family: "Raleway", "arial-adjusted", "roboto-adjusted";
    color: #222;
    font-size: 19px;
}

section.about .about-content p {
    line-height: 28px;
}

section.about .about-content .social-icons {
    margin-top: 30px;
    width: 50%
}

section.about .about-content .social-icons a {
    display: inline-block;
    font-size: 15px;
    line-height: 26px;
    text-align: center;
    margin-right: 10px;
    background-color: #222;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    border: 2px solid #222;
    width: 30px;
    height: 30px;
    -webkit-transition: .2s all ease;
    -o-transition: .2s all ease;
    transition: .2s all ease;
}

section.about .about-content .social-icons a .fa {
    color: #fff;
    -webkit-transition: .2s all ease;
    -o-transition: .2s all ease;
    transition: .2s all ease;
}

section.about .about-content .social-icons a:hover {
    border: 2px solid #222;
    background: transparent;
    line-height: 26px;
}

section.about .about-content .social-icons a:hover .fa {
    color: #222;
}

section.about .about-content .about-button {
    margin-top: 23px;
}


/*============ 6. Services Section ============*/

section.services .service-item {
    text-align: center;
    margin-bottom: 50px;
}

section.services .service-item .icon {
    color: #222;
    display: inline-block;
    margin-bottom: 20px;
    width: 80px;
    height: 80px;
    line-height: 78px;
    font-size: 30px;
    border: 1px solid #e3e3e3;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
}

section.services .service-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
}

section.services .service-item:hover .icon {
    -webkit-box-shadow: 0 5px 30px #e3e3e3;
    box-shadow: 0 5px 30px #e3e3e3;
    border-color: #f2f2f2;
}


/*============ 7. Research Section ============*/
section.research .paper-info {
    font-size: 16px;
    font-weight: 450;
}

section.research .paper-info a{
    color: rgb(12, 109, 189);
}

section.research .paper-info heading{
    font-size: 20px;
    font-weight: 500;
    color: rgb(0, 71, 119);
}

section.research .paper-thumbnail {
    margin-bottom: 30px;
    padding-right: 10px;
    display: flex; /* 使用flexbox */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}

section.research .paper-thumbnail img{
    width: 99%;
    height: auto;
    padding-top: 0px;
    padding-bottom: 0px;
    border-radius:10px;
}

section.research .paper-thumbnail:hover img{
    -webkit-box-shadow: 0 5px 30px #e3e3e3;
    box-shadow: 0 5px 30px #e3e3e3;
    border-color: #f2f2f2;
}

/*============ 8. Portfolio Section ============*/

section.portfolio .portfolio-filter {
    margin-bottom: 40px;
}

section.portfolio .portfolio-filter ul li {
    display: inline-block;
    font-size: 14px;
    margin-right: 20px;
    color: #222;
    position: relative;
    font-family: "Raleway", "arial-adjusted", "roboto-adjusted";
    cursor: pointer;
    text-transform: uppercase;
}

section.portfolio .portfolio-filter ul li:last-child {
    margin-right: 0;
}

section.portfolio .portfolio-filter ul li:last-child:before {
    visibility: hidden;
}

section.portfolio .portfolio-filter ul li:before {
    content: "/";
    position: absolute;
    right: -15px;
    font-weight: 400;
}

section.portfolio .portfolio-filter ul li.sel-item {
    font-weight: 600;
}

section.portfolio .portfolio-items .item {
    margin-bottom: 30px;
}

section.portfolio .portfolio-items .item .item-content {
    position: relative;
    overflow: hidden;
}

section.portfolio .portfolio-items .item .item-content:before {
    content: "";
    position: absolute;
    top: 10px;
    right: 10px;
    bottom: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    -webkit-transform: scale(0.8);
    -ms-transform: scale(0.8);
    transform: scale(0.8);
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
}

section.portfolio .portfolio-items .item .item-content:hover:before {
    -webkit-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
    opacity: 1;
}

section.portfolio .portfolio-items .item .item-content .item-overlay {
    position: absolute;
    width: 100%;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    text-align: center;
}

section.portfolio .portfolio-items .item .item-content .item-overlay h6 {
    text-transform: uppercase;
    -webkit-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    transform: translateY(-10px);
    opacity: 0;
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
}

section.portfolio .portfolio-items .item .item-content .item-overlay p {
    -webkit-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    transform: translateY(-10px);
    opacity: 0;
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1px;
    margin-left: 10%;
    margin-right: 10%;
}

section.portfolio .portfolio-items .item .item-content .item-overlay .icons .icon {
    -webkit-transform: translateY(10px);
    -ms-transform: translateY(10px);
    transform: translateY(10px);
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
    opacity: 0;
}

section.portfolio .portfolio-items .item .item-content .item-overlay .icons .icon a {
    display: inline-block;
    -webkit-transition: .5s all ease;
    -o-transition: .5s all ease;
    transition: .5s all ease;
    height: 40px;
    width: 40px;
    margin-top: 30px;
    background-color: #fff;
    font-size: 22px;
    line-height: 40px;
    color: #222;
    -webkit-border-radius: 20%;
    border-radius: 20%;
    -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.45);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.45);
}

section.portfolio .portfolio-items .item .item-content:hover .item-overlay h6,
section.portfolio .portfolio-items .item .item-content:hover .item-overlay p,
section.portfolio .portfolio-items .item .item-content:hover .item-overlay .icons .icon {
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
    opacity: 1;
}


/*============ 9. Blogs Section ============*/

.blogs .owl-carousel .owl-stage-outer {
    padding: 15px 0;
}

.blogs .blog-item {
    -webkit-box-shadow: 0px 0px 30px -4px rgba(0, 0, 0, 0.1);
    box-shadow: 0px 0px 30px -4px rgba(0, 0, 0, 0.1);
}

.blogs .blog-item .blog-img {
    position: relative;
    overflow: hidden;
}

.blogs .blog-item .blog-img img {
    display: block;
    width: 100%;
    -webkit-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
}

.blogs .blog-item .blog-img img:hover {
    -webkit-transform: scale(1.15);
    -ms-transform: scale(1.15);
    transform: scale(1.15);
}

.blogs .blog-item .blog-content {
    padding: 30px 15px 15px;
    background: #fff;
}

.blogs .blog-item .blog-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #222;
    margin-bottom: 15px;
}

.blogs .blog-item .blog-content p {
    padding-bottom: 20px;
    border-bottom: 1px solid #f7f7f7;
    margin-bottom: 0;
}

.blogs .blog-item .blog-content .blog-meta {
    padding-top: 15px;
}

.blogs .blog-item .blog-content .blog-meta span {
    font-size: 13px;
    color: #748182;
}

.blogs .blog-item .blog-content .blog-meta .more {
    color: #222;
    border-bottom: 1px solid #aaa;
    font-weight: 600;
}

.blogs .blog-item .blog-content .blog-meta .date {
    float: right;
}

.blog-list .blog-item {
    margin-bottom: 50px;
}


/*============ 10. Testimonial Section ============*/

.testimonials {
    -webkit-background-size: cover;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.testimonials:after {
    content: " ";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #000;
    z-index: 2;
    opacity: .60;
}

.testimonials .container {
    position: relative;
    z-index: 10;
}

.testimonials .testimonial-item .author-img {
    width: 120px;
    height: 120px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
}

.testimonials .testimonial-item p {
    word-spacing: 2px;
    color: #fff;
}

.testimonials .testimonial-item h5 {
    font-size: 24px;
    font-weight: 600;
    margin: 20px 0 5px;
    color: #fff;
}

.testimonials .testimonial-item span {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    display: block;
}


/*============ 11. Contact Section ============*/

.contact .single-info {
    position: relative;
    padding: 30px;
    margin-bottom: 15px;
    background-color: #f5f5f5;
    -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

.contact .single-info .info-icon {
    position: absolute;
    top: 25px;
    left: 30px;
    width: 50px;
    height: 50px;
    font-size: 18px;
    color: #fff;
    background-color: #222;
    text-align: center;
    line-height: 50px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
}

.contact .single-info .info-content {
    padding-left: 70px;
}

.contact .single-info .info-content h5 {
    margin-bottom: 5px;
    text-transform: capitalize;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
}

.contact .single-info .info-content p {
    margin-bottom: 0;
    font-size: 15px;
}

.contact #contact-form .form-group {
    margin-bottom: 24px;
}

.contact #contact-form .form-group .form-control {
    font-size: 14px;
    font-family: "Open Sans", sans-serif;
    -webkit-box-shadow: none;
    box-shadow: none;
    -webkit-border-radius: 0;
    border-radius: 0;
    color: #222;
    border: 0;
    border-bottom: 2px solid #222;
    height: 3em;
    -webkit-transition: all .4s ease;
    -o-transition: all .4s ease;
    transition: all .4s ease;
}

.contact #contact-form .form-group textarea.form-control {
    height: auto;
    resize: none;
}

.contact #contact-form .form-group .con-error {
    border-color: red;
}

.contact #contact-form .form-control:hover,
.contact #contact-form .form-control:active,
.contact #contact-form .form-control:focus {
    -webkit-box-shadow: none;
    -moz-webkit-box-shadow: none;
    box-shadow: none;
    border-color: #222;
}


/*============ 12. Footer  ============*/

footer {
    background: #222;
}

footer .contact-info h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}

footer .contact-info p {
    color: #fff;
    font-size: 14px;
}

footer hr {
    border-color: #333;
}

footer .copy {
    font-size: 14px;
    color: #aaa;
}


/*============ 13. Blogs Page ============*/

section.banner-blog {
    height: 50vh;
    background-color: #222;
    position: relative;
    overflow: hidden;
}

section.banner-blog #particles-js {
    width: 100%;
    height: 100%;
}

section.banner-blog .banner-caption {
    position: absolute;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    width: 100%;
    text-align: center;
}

section.banner-blog .banner-caption h1 {
    color: #fff;
    font-size: 48px;
    font-weight: 700;
    text-transform: uppercase;
}


/*============ 14. Single Blog Page ============*/

.blog-detail .blog-heading {
    margin-bottom: 30px;
}

.blog-detail .blog-heading h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 25px 0 10px 0;
}

.blog-detail .blog-heading .blog-meta span {
    font-size: 14px;
}

.blog-detail .blog-content {
    margin-bottom: 90px;
}

.blog-detail .blog-content p {
    line-height: 28px;
}

.blog-detail .comment-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.blog-detail ul.post-comment {
    float: left;
}

.blog-detail ul.post-comment li {
    width: 100%;
    float: left;
    border-bottom: 1px solid #efefef;
    padding: 15px 0;
    list-style: none;
}

.blog-detail ul.post-comment li img {
    width: 15%;
    float: left;
}

.blog-detail ul.post-comment li .comment-info {
    float: left;
    width: 85%;
    padding-left: 15px;
    margin-top: 10px;
}

.blog-detail ul.post-comment li .comment-info h3 {
    float: left;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 0;
}

.blog-detail ul.post-comment li .comment-info a {
    float: right;
    font-size: 13px;
    font-weight: 800;
    color: #222;
}

.blog-detail ul.post-comment li .comment-info span {
    float: left;
    width: 100%;
    font-size: 13px;
}

.blog-detail ul.post-comment li .comment-info p {
    font-size: 14px;
    line-height: 1.2;
    float: left;
    margin-top: 6px;
}

.blog-detail .contact-form {
    padding-top: 60px;
    clear: both;
}

.blog-detail .contact-form .form-inpt {
    width: 100%;
    height: 45px;
    border: 0;
    color: #222;
    border-bottom: 2px solid #222;
    font-size: 14px;
    padding-left: 10px;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.blog-detail .contact-form textarea {
    width: 100%;
    border: 0;
    font-size: 14px;
    border-bottom: 2px solid #222;
    padding: 20px 0 0 10px;
    margin-bottom: 15px;
    height: 150px;
}


/*============ 15. Mobile Responsive  ============*/

@media screen and (max-width: 991px) {
    .navbar-collapse {
        text-align: center;
        background-color: rgba(34, 34, 34, 0.9);
    }
    .navbar-collapse .nav-item {
        padding: 0 !important;
    }
    .navbar-collapse .nav-item a {
        display: inline-block;
        margin-top: 10px;
        margin-bottom: 10px;
    }
    .fixed-top .navbar-collapse {
        background-color: transparent;
    }
    .banner .banner-caption h1 {
        font-size: 75px;
    }
    .banner .banner-caption p {
        font-size: 21px;
    }
    section.about .about-img:before {
        display: none;
    }
    section.about .about-content {
        margin-top: 50px;
    }
    section.banner-blog .banner-caption h1 {
        font-size: 40px;
    }
}

@media screen and (max-width: 767px) {
    .banner .banner-caption h1 {
        font-size: 46px;
    }
    .banner .banner-caption p {
        font-size: 17px;
    }
    .banner #home-svg {
        height: 80px;
    }
    section.banner-blog .banner-caption h1 {
        font-size: 32px;
    }
    .cd-headline{
        display: none;
    }
}

/*============ 16. Fallback Font ============*/

@font-face {
    font-family: arial-adjusted;
    src: local("Arial");
    size-adjust: 103%;
    ascent-override: 90%;
    descent-override: 25%;
    line-gap-override: 0%;
}

@font-face {
    font-family: arial-h1-adjusted;
    src: local("Arial");
    size-adjust: 104.8%;
    ascent-override: 89%;
    descent-override: 23%;
    line-gap-override: 0%;
}

@font-face {
    font-family: roboto-adjusted;
    src: local("Roboto");
    size-adjust: 103%;
    ascent-override: 90%;
    descent-override: 25%;
    line-gap-override: 0%;
}

@font-face {
    font-family: roboto-h1-adjusted;
    src: local("Roboto");
    size-adjust: 103%;
    ascent-override: 90%;
    descent-override: 25%;
    line-gap-override: 0%;
}






/* 默认按钮样式 */
#publication-by-selected,
#publication-by-date,
#publication-by-topic {
    color: #555; /* 非选中状态字体颜色 */
    text-decoration: none;
    padding: 5px 10px;
    font-weight: normal;
    transition: color 0.3s; /* 只处理字体颜色 */
}

/* 选中按钮的样式 */
#publication-by-selected.selected-btn,
#publication-by-date.selected-btn,
#publication-by-topic.selected-btn {
    color: #007bff; /* 高亮颜色，字体颜色 */
    font-weight: bold;
}

/* 其他按钮在非选中时的颜色 */
#publication-by-selected:not(.selected-btn),
#publication-by-date:not(.selected-btn),
#publication-by-topic:not(.selected-btn) {
    color: #555; /* 非选中状态的字体颜色 */
}

/* 鼠标悬停时的效果 */
#publication-by-selected:hover,
#publication-by-date:hover,
#publication-by-topic:hover {
    color: #0056b3; /* 悬停时字体颜色 */
}


/* 默认链接样式 */
.subtitle-aux a {
    color: #555; /* 默认颜色 */
}

/* 高亮状态的链接（选中的链接） */
.subtitle-aux a.active {
    color: #0056b3; /* 悬停时字体颜色 */
}

/* 鼠标悬停时的颜色 */
.subtitle-aux a:hover {
    color: #555; /* 悬停时使用默认颜色 */
}




.uniform-image {
    width: 100%;             /* 宽度填充容器 */
    height: 130px;           /* 固定高度 */
    object-fit: contain;     /* 保持图片比例并适应容器大小，不填充剩余区域 */
    object-position: center; /* 图片居中 */
}





  #experience-gallery .experience-row {
    display: flex;
    margin-bottom: 60px;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 20px;
  }
  
  .experience-left {
    flex: 0 0 20%;
    max-width: 20%;
    padding-right: 20px;
    border-right: 2px solid #eee;
  }
  
  .experience-left h4 {
    font-size: 1.2rem;
    color: #222;
    margin-bottom: 10px;
  }
  
  .experience-left p {
    font-size: 1rem;
    color: #555;
  }
  
  .experience-right {
    flex: 0 0 75%;
    max-width: 75%;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .experience-right img {
    max-width: calc(33% - 12px);
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  }
  
  /* Responsive layout */
  @media (max-width: 768px) {
    .experience-row {
      flex-direction: column;
    }
  
    .experience-left, .experience-right {
      max-width: 100%;
      flex: 0 0 100%;
      border: none;
      padding: 0;
    }
  
    .experience-right img {
      max-width: 100%;
    }
  }
  

  .experience-row {
  display: flex;
  margin-bottom: 60px;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}

.experience-left {
  flex: 0 0 20%;
  max-width: 20%;
  padding-right: 20px;
  border-right: 2px solid #eee;
}

.experience-left h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.experience-left p {
  color: #555;
  font-size: 1rem;
}

/* 横向滚动区域容器 */
.experience-right-scroll-wrapper {
  flex: 0 0 75%;
  max-width: 75%;
  position: relative;
  overflow: hidden;
}

/* 实际图片容器 */
.scroll-container {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-behavior: smooth;
}

.scroll-container img {
  max-height: 160px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

/* 手动按钮样式 */
.scroll-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.8);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px 10px;
  z-index: 10;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.scroll-button.right {
  right: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .experience-left, .experience-right-scroll-wrapper {
    flex: 0 0 100%;
    max-width: 100%;
    border: none;
  }

  .scroll-container img {
    max-width: 80%;
  }
}




.experience-right img {
    width: 40%;
    height: 380px;
    object-fit: cover;
  }
  



/* for mics */
.portfolio-group {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.experience-left {
border-right: none; /* 取消原本的全高边框 */
position: relative;
display: flex;
flex-direction: column;
justify-content: flex-start;
padding-top: 10px;
padding-right: 20px;
}

.experience-left::before {
content: "";
position: absolute;
right: 0;
top: 3%;
height: 50%;
width: 2px;
background-color: #eee;
border-radius: 1px;
}

.experience-left h4 {
font-size: 1.2rem;
color: #222;
margin-bottom: 10px;
}
.experience-left p {
font-size: 1rem;
color: #555;
}
.group-images {
flex: 0 0 80%;
max-width: 80%;
padding-left: 24px;
}
.item-content {
position: relative;
overflow: hidden;
border-radius: 16px;
}
.item-content img {
width: 100%;
height: 380px;
object-fit: cover;
display: block;
border-radius: 16px;
}
.item-content::before {
content: "";
position: absolute;
top: 0;
left: 0;
right: 0; 
bottom: 0;
/* 删除 width 和 height */
background: rgba(255, 255, 255, 0.9);
opacity: 0;
transition: 0.5s all ease;
border-radius: 16px;
pointer-events: none;
}

.item-overlay {
position: absolute;
width: 100%;
top: 50%;
left: 0; right: 0;
transform: translateY(-50%);
text-align: center;
pointer-events: none;
}
.item-overlay h6,
.item-overlay p {
transform: translateY(-10px);
opacity: 0;
transition: 0.5s all ease;
letter-spacing: 1px;
}
.item-overlay h6 {
text-transform: uppercase;
font-size: 14px;
font-weight: 800;
}
.item-overlay p {
font-size: 13px;
font-weight: 400;
margin: 0 10%;
}
.item-content:hover::before {
opacity: 1;
}
.item-content:hover .item-overlay h6,
.item-content:hover .item-overlay p {
transform: translateY(0);
opacity: 1;
}
.group-images .row {
margin-left: -8px;
margin-right: -8px;
}
.group-images .col-md-4 {
padding-left: 8px;
padding-right: 8px;
}
@media (max-width: 991.98px) {
.experience-left,
.group-images {
    flex: 0 0 100%;
    max-width: 100%;
    padding-right: 0;
    padding-left: 0;
    border-right: none;
    border-bottom: 2px solid #eee;
    margin-bottom: 24px;
}
}

.portfolio-filter li {
    cursor: pointer;
    font-weight: 400;
    transition: color 0.3s, font-weight 0.3s;
}
.portfolio-filter li.sel-item {
font-weight: 700;
color: #000;
text-decoration: underline;
}