@font-face {
    font-family: "a";
    /*中文字体*/
    src: url();
    font-display: swap;
}


@font-face {
    font-family: "b";

    src: url(../fonts/Ubuntu-Regular.ttf);
    font-display: swap;
}

@font-face {
    font-family: "title";
    /*英文字体*/
    src: url(../fonts/Pacifico-Regular.ttf);
    font-display: swap;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    transition: background-color 0.2s ease;
}

a:hover,
a:link,
a:visited,
a:active,
a:focus {
    text-decoration: none;
    outline: none;
    border: none;
    color: inherit;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}


/* 设置滚动条样式 */
::-webkit-scrollbar {
    width: 0px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--main_text_color, #000000);
    border-radius: 8px;
    height: 20%;
}

::-webkit-scrollbar-track {
    background-color: var(--item_left_text_color, #94a3b8);
}



html[data-theme="Dark"] {
    --name: 商务科技-暗;
    --main_bg_color: linear-gradient(165deg, #060d18 0%, #0a1628 45%, #0f1f35 100%);
    --main_bg_mesh: radial-gradient(ellipse 70% 50% at 90% 10%, rgba(14, 165, 233, 0.15) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 5% 90%, rgba(30, 90, 158, 0.2) 0%, transparent 50%);
    --main_text_color: #e8eef4;
    --gradient: linear-gradient(120deg, #60a5fa 0%, #38bdf8 50%, #22d3ee 100%);
    --purple_text_color: #5eb3ff;
    --accent_cyan: #22d3ee;
    --text_bg_color: rgba(94, 179, 255, 0.1);
    --item_bg_color: rgba(255, 255, 255, 0.06);
    --item_hover_color: rgba(255, 255, 255, 0.1);
    --item_border_color: rgba(94, 179, 255, 0.15);
    --item_left_title_color: #f0f4f8;
    --item_left_text_color: #94a3b8;
    --footer_text_color: #64748b;
    --left_tag_item: linear-gradient(135deg, rgba(30, 58, 95, 0.6), rgba(15, 31, 53, 0.8));
    --card_filter: 0px;
    --back_filter: 0px;
    --back_filter_color: transparent;
    --fill: #e8eef4;
    --shadow_card: 0 8px 32px rgba(0, 0, 0, 0.35);
}






body {
    height: 100%;
    min-height: 100vh;
    width: 100%;
    position: relative;
    font-family: "b", "a", sans-serif;
    background: var(--main_bg_color);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    transition: color 0.25s ease, background 0.35s ease;
    color: var(--main_text_color);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background: var(--main_bg_mesh);
    opacity: 1;
}

.filter {
    position: fixed;
    width: 100%;
    height: 100%;
    background: var(--back_filter_color);
    backdrop-filter: blur(var(--back_filter));
    -webkit-backdrop-filter: blur(var(--back_filter));
    z-index: -1;
    pointer-events: none;
}

.main {
    width: 100%;
    margin: 0 auto;
    transition: transform 0.5s ease;
    max-width: 1150px;
    position: relative;
    display: flex;
    flex-direction: row;
}


.left {
    overflow-y: scroll;
    width: 230px;
    height: 100vh;
    display: flex;
    padding: 0 15px;
    position: sticky;
    top: 0;
    left: 0;
    align-items: center;
    flex-direction: column;
}


.left::-webkit-scrollbar {
    display: none;
}


.logo {
    flex-shrink: 0;
    width: 90%;
    position: relative;
    aspect-ratio: 1/1;
    margin-top: 50px;
    background-size: cover;
    border-radius: 50%;
}



.left-div {
    flex-shrink: 0;
    width: 100%;
    border-radius: 14px;
    margin-top: 15px;
    padding: 20px;
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);
    border: 1px solid var(--item_border_color, transparent);
    box-shadow: var(--shadow_card, none);
}

.left-des {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.left-des-item {
    display: flex;
    align-items: center;
    line-height: 20px;
    font-size: 15px;
    margin-bottom: 5px;
    overflow: hidden;
}

.left-des-item i,.left-des-item svg{
    width: 16px;
    height: 16px;
    fill:var(--fill);
   font-size: 18px;
    margin-right: 10px;
}
.left-tag {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 14px;
}

.left-tag-item {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 28px;
    margin: 0px 5px 5px 0;
    padding: 10px;
    font-size: 13px;
    border-radius: 10px;
    background: var(--left_tag_item);
}

#line {
    width: 100%;
    height: 200px;
    font-size: 13px;
    padding-left: 8px;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
}

#line li {
    list-style: none;
    position: relative;
    padding: 15px 0px 0px 15px;
    border-left: 2px solid #d5d5d5;
    border-radius: 0;
    scroll-snap-align: end;
    color: var(--main_text_color);
}



.focus {
    width: 8px;
    height: 8px;
    border-radius: 22px;
    background-color: rgb(255 255 255);
    border: 2px solid #fff;
    position: absolute;
    left: -5px;
    top: 50%;
}

#line li:first-child .focus:first-child {
    background-color: #aaffcd;
    animation: focus 1.8s ease infinite;
}

#line::-webkit-scrollbar {
    display: none;
}



.right {
    width: calc(100% - 230px);
    display: flex;
    padding: 20px;
  position: relative;
    padding-bottom: 100px;
    flex-direction: column;
}
.welcome {

    font-size: 65px;
    font-weight: 800;
    margin: 20px 0;
}

.index-logo {
    flex-shrink: 0;
    width: 40%;
    margin-top: 30px;
    position: relative;
    max-width: 200px;
    aspect-ratio: 1/1;
    background-size: cover;
    border-radius: 50%;
    border: 0.5px solid #ffffff;
}
.description {

    font-size: 20px;
    margin-top: 7px;
}



.gradientText {

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    background-position: 0%;
    font-family: "title";
    animation: backgroundSizeAnimation 10s ease-in-out infinite;
      background-image:  var(--gradient);
}

@keyframes backgroundSizeAnimation {
    0% {
        background-position: 100%;
    }

    25% {
        background-position: 50%;
    }

    50% {
        background-position: 0%;
    }

    75% {
        background-position: 50%;
    }

    100% {
        background-position: 100%;
    }

}

.purpleText {
    color: var(--purple_text_color);
    font-weight: 800;
}

.textBackground {
    font-weight: 800;
    background: var(--text_bg_color);
    border-radius: 5px;
    font-size: 17px;
    margin: 0 3px;
    padding: 2px 4px;
}

.iconContainer {
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    overflow-x: scroll;
    margin-top: 20px;

}

.iconContainer::-webkit-scrollbar {
    display: none;
}



.iconItem {
    width: 49px;
    height: 43px;
    box-sizing: border-box;
    border-radius: 10px;
    display: flex;
    margin-left: 10px;
    border: 1px solid var(--item_border_color, transparent);
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);
    align-items: center;
    justify-content: center;
    transition: width 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    flex-shrink: 0;
}
.iconItem i,.iconItem svg{
    width: 22px;
    height: 22px;
    fill:var(--fill);
    font-size: 22px;
     margin-right: 3px;
}
.switch {
    width: 55px;
    height: 43px;
    box-sizing: border-box;
    border-radius: 7px;
    display: flex;
    margin-left: 10px;
    backdrop-filter: blur(var(--card_filter));-webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);

    align-items: center;
    justify-content: center;
    transition: width 1s ease, opacity 1s ease, transform 1s ease;
    flex-shrink: 0;
}

.iconTip {
    white-space: nowrap;
    display: none;
}





.iconItem:hover {
    width: 95px;
    transform: translateY(-2px);
    background: var(--item_hover_color);
}


.iconItem:hover .iconTip {
    display: block;
}

.switch:hover {
    width: 55px;
    /* transform: translateY(-2px); */
    background: var(--item_hover_color);
}

/* 主题切换：浅色显示太阳，深色显示月亮 */
.theme-toggle {
    cursor: pointer;
    text-decoration: none;
    color: var(--purple_text_color);
}

.theme-toggle .theme-icon {
    width: 22px;
    height: 22px;
    display: none;
}

html[data-theme="Light"] .theme-toggle .theme-icon-sun {
    display: block;
}

html[data-theme="Dark"] .theme-toggle .theme-icon-moon {
    display: block;
}

.title {
    display: flex;
    align-items: center;
    font-size: 26px;
    font-weight: 800;
    margin: 20px 0;
    transition: transform 0.4s ease;
}
.title i ,.title svg{
    margin-right: 8px;
    height: 26px;
    width: 26px;
   fill:var(--fill);
}
.title:hover {
    transform: translateY(-5px);
}

.projectList {
    display: flex;
    flex-wrap: wrap;
}

.projectItem {
    margin: 12px;
    display: flex;
    background-color: var(--item_bg_color);
    border: 1px solid var(--item_border_color, transparent);
    border-radius: 14px;
    padding: 24px;
    min-height: 150px;
    width: calc(50% - 24px);
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    box-shadow: var(--shadow_card, none);
    transition: opacity 0.5s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.3s ease, box-shadow 0.3s ease;
    overflow: visible;
}

.projectItem:hover {
    box-shadow: var(--shadow_card, 0 12px 28px rgba(10, 37, 64, 0.12));
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--purple_text_color) 30%, transparent);
}

.projectItem.pressed {
    transform: scale(0.9);
    /* 缩小到原来的0.9倍 */
    background-color: var(--item_hover_color);
}

.projectItem:hover .projectItemLeft {
    width: 100%;
}

.projectItem:hover .projectItemRight {
    width: 0%;
}

.projectItem:hover .projectItemRight img {
    transform: rotate(40deg);
}

.projectItem:hover h1 {
    font-size: 18px;
}

.projectItemLeft p {
    font-size: 14px;
    margin-top: 15px;
    color: var(--item_left_text_color);
    line-height: 1.4;
}


.projectItemLeft h1 {
    font-weight: normal;
    font-size: 18px;
    margin: 0px;

    transition: font-size 0.4s ease;
    color: var(--item_left_title_color);
}

.projectItem:hover h1 {
    font-size: 20px;
}

.projectItemLeft {
    transition: width 0.4s ease;
    min-height: 100%;
    width: 80%;
    display: flex;
    flex-direction: column;
}


.projectItemRight {
    overflow: hidden;
    transition: width 0.4s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 20%;
    min-height: 100%;
}

.projectItemRight img {

    height: 39px;
    width: 39px;

}

/* 详情提示样式 */
.projectItem {
    position: relative;
    overflow: hidden;
}

footer {
    position: absolute;
    padding: 10px;
    text-align: center;
    width: 100%;
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);
    border-top: 1px solid var(--item_border_color, transparent);
    color: var(--footer_text_color);
    font-size: 13px;
    bottom: 0;
}

@media (min-width: 800px) {

    .index-logo {
        display: none;
    }
}

@media (max-width: 1150px) {
    .a {
        width: calc(50% - 24px);
    }
    .projectItem {
        margin: 12px;
    }
    .b {
        width: calc(50% - 24px);
    }
}

@media (max-width: 800px) {
    .left {
        display: none;
    }

    .a .projectItemRight {
        display: none;

    }

    .a .projectItemRight img {
        display: none;

    }

    .a .projectItemLeft {
        width: 100%;
    }

    .a {

        width: calc(50% - 18px);
  margin: 9px;

    }

    .b {
        height: 110px;
        margin: 8px 15px;
        width: calc(100% - 30px);
    }



    .right {
        width: 100%;
    }

    .description {
        font-size: 4vw;
    }

    .welcome {
        font-size: 10vw;
        margin: 2vw 0;

    }
    .iconContainer {
  
     margin-top: 4vw;

}
.projectItem{
    padding: 10px;
}
    .projectItemLeft p {
        font-size: 13px;
    }

    .projectItemLeft h1 {

        font-size: 18px;
    }

    .projectItem:hover h1 {

        font-size: 20px;

    }












}





.tc {
    position: fixed;
   
    display: flex;
    visibility: hidden;
    width: 100vw;
    height: 100vh;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(20, 20, 20, 0.5);
    z-index: 99999;
    align-items: center;
    top: 0;
    justify-content: center;
    flex-direction: column;
}

.tc-main {
    z-index: 100000;
    
    width: 80%;
    max-width: 300px;
    min-height: 200px;
    background-color: #ffffff;
    border-radius: 15px;

    display: flex;
    transition: transform 0.2s linear;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transform: translateY(30%) scale(0.5);

}

.tc-img {
    width: 100%;
    height: 100%;
}

.tc.active {
    visibility: visible;
}

.tc-main.active {

    transform: translateY(0) scale(1);

}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}