html {
    /* 图片模糊背景 + 黑色透明卡片 + SVG **/
    --main_bg_color: url(../img/BG.jpg);
    --main_text_color: #eeeeee;
    --gradient: linear-gradient(120deg, #bd34fe, #e0321b 30%, #41d1ff 60%);
    --text_bg_color: #00000040;
    --item_bg_color: #00000038;
    --item_hover_color: #33333338;
    --item_left_title_color: #ffffff;
    --item_left_text_color: #ffffff;
    --footer_text_color: #ffffff;
    --left_tag_item: rgb(27 42 57 / 20%);
    --card_mask: 0px;
    --back_mask: 19px;
    --back_mask_color: #00000030;
    --fill:#ffffff;
}

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

@font-face {
    font-family: "title";
    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(--main_bg_color, linear-gradient(50deg, #a2d0ff, #ffffff));
}

/* 深色主题 */
html[data-theme="dark"] {
    --main_text_color: #fff;
    --gradient: linear-gradient(120deg, rgb(133, 62, 255), #f76cc6 30%, rgb(255, 255, 255) 60%);
    --text_bg_color: rgb(26, 4, 48);
    --item_bg_color: rgb(19, 20, 24);
    --item_hover_color: rgb(19, 23, 27);
    --item_left_title_color: rgb(255, 255, 255);
    --item_left_text_color: rgb(142, 142, 142);
    --footer_text_color: #646464;
    --left_tag_item: linear-gradient(50deg, #1f2327, #000000);
    --card_mask: 0px;
    --back_mask: 0px;
    --back_mask_color: #000000;
    --fill:#ffffff;
}


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: fixed;
    transition: color 0.1s ease;
    color: var(--main_text_color);

}

/* 加载动画 */ 
#Loading {
    background: radial-gradient(white, #d8eaff);
    background-size: 100%;
    background-position: center;
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 999999;
    margin-top: 0px;
    top: 0px;
    pointer-events: none;
    opacity: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#LoadingCenter {
    height: 150px;
    width: 150px;
    position: relative;
    border-radius: 50%;
    background: #472eff;
    animation: zoom 1s linear infinite;
}

@keyframes zoom {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }

    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* 遮罩 */
.page-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    background: var(--back_mask_color);
    backdrop-filter:  blur(var(--back_mask));
    -webkit-backdrop-filter: blur(var(--back_mask));
    z-index: -99999999;
}

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

/* 左侧 */
.left-side {
    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-side::-webkit-scrollbar {
    display: none;
}

.left-div {
    flex-shrink: 0;
    width: 100%;
    border-radius: 13px;
    margin-top: 15px;
    padding: 20px;
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);
}


/* 基本信息 */
.left-basic {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.left-basic-item i,.left-basic-item svg{
    width: 16px;
    height: 16px;
    fill:var(--fill);
    font-size: 18px;
    margin-right: 10px;
}

/* TAG */
.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);
}

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


/* 时间线 */
.event-line {
    width: 100%;
    height: 200px;
    font-size: 13px;
    padding-left: 8px;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
}

.event-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);
}

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

.event-line::-webkit-scrollbar {
    display: none;
}

.right-side {
    width: calc(100% - 230px);
    display: flex;
    padding: 20px;
    position: relative;
    padding-bottom: 50px;
    flex-direction: column;
}


/* 欢迎文字 */
.welcome {

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

/* 右侧Avatar */
.index-avatar {
    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;
}

.index-description {
    font-size: 20px;
    margin-top: 7px;
}


/* 渐变文字 */
.colorful-text {
    -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%;
    }
}

/* 强调文本 */
.advt-text {
    color: #C1F0F6;
    font-weight: 800;
}

/* 带背景色文本 */
.bg-text {
    font-weight: 800;
    background: var(--text_bg_color);
    border-radius: 5px;
    font-size: 17px;
    margin: 0 3px;
    padding: 2px 4px;
}

/* 介绍下方图片容器 */
.icon-container {
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    overflow-x: scroll;
    margin-top: 20px;

}
.icon-container::-webkit-scrollbar {
    display: none;
}

/* 小图标 */
.icon-item {
    width: 49px;
    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 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    flex-shrink: 0;
}
.icon-item i,.icon-item svg{
    width: 22px;
    height: 22px;
    fill:var(--fill);
    font-size: 22px;
     margin-right: 3px;
}
.icon-tip {
    white-space: nowrap;
    display: none;
}

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


.icon-item:hover .icon-tip {
    display: block;
}


/* 主题切换 */
.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;
}

.switch:hover {
    width: 55px;
    background: var(--item_hover_color);
}

.snake {
    width: 85%;
}

.snake img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* 下方子Title */
.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);
}

/* 项目列表*/
.project-list {
    display: flex;
    flex-wrap: wrap;
}

/*项目Item*/
.project-item {
    margin: 7px;
    display: flex;
    background-color: var(--item_bg_color);
    border-radius: 8px;
    padding: 15px;
    height: 100px;
    width: calc(25% - 15px);
    backdrop-filter: blur(var(--card_filter));-webkit-backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));-webkit-backdrop-filter: blur(var(--card_filter));
    transition: opacity 0.5s ease, background-color 0.2s ease, border 0.2s ease, transform 0.3s ease;
}

.project-item:hover {
    box-shadow: 0 8px 16px -4px #2c2d300c;
    transform: translateY(-2px);

}

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

.project-item:hover .project-itemLeft {
    width: 100%;
}

.project-item:hover .project-itemRight {
    width: 0%;
}

.project-item:hover .project-itemRight img {
    transform: rotate(40deg);
}

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

.project-item-left {
    transition: width 0.4s ease;
    height: 100%;
    width: 80%;
}

.project-item-left p {
    font-size: 12px;
    margin-top: 15px;
    color: var(--item_left_text_color);
}

.project-item-left h1 {
    font-weight: normal;
    font-size: 16px;
    margin: 0px;

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

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

.project-item-right img {
    height: 39px;
    width: 39px;
}

.skills {
    padding: 25px;
    width: 100%;
}


.skills img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.skills #sk-wap {
    display: none;
}

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);
    color: var(--footer_text_color);
    font-size: 13px;
    bottom: 0;
}


@media (min-width: 800px) {

    .index-avatar {
        display: none;
    }
}

@media (max-width: 1150px) {
    .a {
        width: calc(50% - 20px);
    }
    .project-item {
        margin: 10px;
    }
    .b {

        width: calc(50% - 20px);


    }
}

@media (max-width: 800px) {
    .skills #sk-pc {
        display: none;
    }

    .skills #sk-wap {
        display: block;
    }
    
    .left-side {
        display: none;
    }

    .a .project-item-right {
        display: none;

    }

    .a .project-item-right img {
        display: none;

    }

    .a .project-item-left {
        width: 100%;
    }

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

    }

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

    .right-side {
        width: 100%;
    }

    .snake {
        width: 100%;
    }

    .index-description {
        font-size: 4vw;
    }

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

    }
    .icon-container {
        margin-top: 4vw;
    }
    .project-item {
        padding: 10px;
    }
    .project-item-left p {
        font-size: 13px;
    }

    .project-item-left h1 {
        font-size: 18px;
    }

    .project-item:hover h1 {
        font-size: 20px;

    }
}


.switch-child {
    position: relative;
    width: 38px;
    height: 20px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.switch-child-checkbox {
    display: none;
}

.switch-child-label {
    display: block;
    overflow: hidden;
    cursor: pointer;
    height: 100%;
    border-radius: 50px;
}

.switch-child-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200%;
    height: 100%;
    margin-left: -100%;
    transition: margin 0.2s ease-in 0s;
}

.switch-child-inner:before,
.switch-child-inner:after {
    display: flex;
    justify-content: center;
    align-items: center;
    float: left;
    width: 50%;
    height: 100%;
    padding: 0;
    font-size: 12px;
    color: white;
    font-family: Trebuchet, Arial, sans-serif;
    font-weight: bold;
    box-sizing: border-box;
}

.switch-child-inner:before {
    content: "";
    background-color: rgb(110 110 110 / 50%);
    color: #FFFFFF;
    text-align: left;
}

.switch-child-inner:after {
    content: "";
    background-color: #272727;
    color: #FAFAFA;
    text-align: right;
}

.switch-child-switch {
    display: block;
    height: 70%;
    aspect-ratio: 1/1;
    background: #FFFFFF;
    position: absolute;
    top: 12.5%;
    bottom: 12.5%;
    right: 5px;

    border-radius: 20px;
    transition: right 0.2s ease-in 0s;
}

.switch-child-checkbox:checked+.switch-child-label .switch-child-inner {
    margin-left: 0;
}

.switch-child-checkbox:checked+.switch-child-label .switch-child-switch {
    right: 50%;
}

/* 模态框 */
.model {
    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;
}

.model-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);

}

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

.model.active {
    visibility: visible;
}

.model-main.active {
    transform: translateY(0) scale(1);
}