/* color palette from <https://github.com/vuejs/theme> */
:root {
    --vt-c-white: #ffffff;
    --vt-c-white-soft: #f8f8f8;
    --vt-c-white-mute: #f2f2f2;

    --vt-c-black: #181818;
    --vt-c-black-soft: #222222;
    --vt-c-black-mute: #282828;

    --vt-c-indigo: #2c3e50;

    --vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
    --vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
    --vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
    --vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);

    --vt-c-text-light-1: var(--vt-c-indigo);
    --vt-c-text-light-2: rgba(60, 60, 60, 0.66);
    --vt-c-text-dark-1: var(--vt-c-white);
    --vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}

/* semantic color variables for this project */
:root {
    --color-background: var(--vt-c-white);
    --color-background-soft: var(--vt-c-white-soft);
    --color-background-mute: var(--vt-c-white-mute);

    --color-border: var(--vt-c-divider-light-2);
    --color-border-hover: var(--vt-c-divider-light-1);

    --color-heading: var(--vt-c-text-light-1);
    --color-text: var(--vt-c-text-light-1);

    --section-gap: 160px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--vt-c-black);
        --color-background-soft: var(--vt-c-black-soft);
        --color-background-mute: var(--vt-c-black-mute);

        --color-border: var(--vt-c-divider-dark-2);
        --color-border-hover: var(--vt-c-divider-dark-1);

        --color-heading: var(--vt-c-text-dark-1);
        --color-text: var(--vt-c-text-dark-2);
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    font-weight: normal;
}

body {
    min-height: 100vh;
    color: var(--color-text);
    background: var(--color-background);
    transition: color 0.5s,
    background-color 0.5s;
    line-height: 1.6;
    font-family: Inter,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    'Fira Sans',
    'Droid Sans',
    'Helvetica Neue',
    sans-serif;
    font-size: 15px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    overflow: hidden;
}


/*== layer提示框==*/
.yvan-msg {
    min-width: 100px;
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
    border-radius: 2px;
    position: fixed;
    pointer-events: auto;
    z-index: 10000;
}

.yvan-msg-content {
    pointer-events: auto;
    color: #fff;
    padding: 12px 25px;
    text-align: center;
    position: relative;
    line-height: 24px;
    word-break: break-all;
    overflow: hidden;
    font-size: 14px;
    overflow-x: hidden;
    overflow-y: auto;
}


/*== 动画 ==*/
.yvan-anim {
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
    -webkit-animation-duration: 0.3s;
    animation-duration: 0.3s;
}

@-webkit-keyframes yvan-bounceIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.5);
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes yvan-bounceIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.5);
        -ms-transform: scale(0.5);
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

.yvan-anim-00 {
    -webkit-animation-name: yvan-bounceIn;
    animation-name: yvan-bounceIn;
}

@-webkit-keyframes yvan-zoomInDown {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.1) translatey(-2000px);
        transform: scale(0.1) translatey(-2000px);
        -webkit-animation-timing-function: ease-in-out;
        animation-timing-function: ease-in-out;
    }
    60% {
        opacity: 1;
        -webkit-transform: scale(0.475) translatey(60px);
        transform: scale(0.475) translatey(60px);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

@keyframes yvan-zoomInDown {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.1) translatey(-2000px);
        -ms-transform: scale(0.1) translatey(-2000px);
        transform: scale(0.1) translatey(-2000px);
        -webkit-animation-timing-function: ease-in-out;
        animation-timing-function: ease-in-out;
    }
    60% {
        opacity: 1;
        -webkit-transform: scale(0.475) translatey(60px);
        -ms-transform: scale(0.475) translatey(60px);
        transform: scale(0.475) translatey(60px);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

.yvan-anim-01 {
    -webkit-animation-name: yvan-zoomInDown;
    animation-name: yvan-zoomInDown;
}

@-webkit-keyframes yvan-fadeInUpBig {
    0% {
        opacity: 0;
        -webkit-transform: translatey(2000px);
        transform: translatey(2000px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translatey(0);
        transform: translatey(0);
    }
}

@keyframes yvan-fadeInUpBig {
    0% {
        opacity: 0;
        -webkit-transform: translatey(2000px);
        -ms-transform: translatey(2000px);
        transform: translatey(2000px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translatey(0);
        -ms-transform: translatey(0);
        transform: translatey(0);
    }
}

.yvan-anim-02 {
    -webkit-animation-name: yvan-fadeInUpBig;
    animation-name: yvan-fadeInUpBig;
}

@-webkit-keyframes yvan-zoomInLeft {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.1) translatex(-2000px);
        transform: scale(0.1) translatex(-2000px);
        -webkit-animation-timing-function: ease-in-out;
        animation-timing-function: ease-in-out;
    }
    60% {
        opacity: 1;
        -webkit-transform: scale(0.475) translatex(48px);
        transform: scale(0.475) translatex(48px);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

@keyframes yvan-zoomInLeft {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.1) translatex(-2000px);
        -ms-transform: scale(0.1) translatex(-2000px);
        transform: scale(0.1) translatex(-2000px);
        -webkit-animation-timing-function: ease-in-out;
        animation-timing-function: ease-in-out;
    }
    60% {
        opacity: 1;
        -webkit-transform: scale(0.475) translatex(48px);
        -ms-transform: scale(0.475) translatex(48px);
        transform: scale(0.475) translatex(48px);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

.yvan-anim-03 {
    -webkit-animation-name: yvan-zoomInLeft;
    animation-name: yvan-zoomInLeft;
}

@-webkit-keyframes yvan-rollIn {
    0% {
        opacity: 0;
        -webkit-transform: translatex(-100%) rotate(-120deg);
        transform: translatex(-100%) rotate(-120deg);
    }
    100% {
        opacity: 1;
        -webkit-transform: translatex(0) rotate(0);
        transform: translatex(0) rotate(0);
    }
}

@keyframes yvan-rollIn {
    0% {
        opacity: 0;
        -webkit-transform: translatex(-100%) rotate(-120deg);
        -ms-transform: translatex(-100%) rotate(-120deg);
        transform: translatex(-100%) rotate(-120deg);
    }
    100% {
        opacity: 1;
        -webkit-transform: translatex(0) rotate(0);
        -ms-transform: translatex(0) rotate(0);
        transform: translatex(0) rotate(0);
    }
}

.yvan-anim-04 {
    -webkit-animation-name: yvan-rollIn;
    animation-name: yvan-rollIn;
}

@keyframes yvan-fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.yvan-anim-05 {
    -webkit-animation-name: yvan-fadeIn;
    animation-name: yvan-fadeIn;
}

@-webkit-keyframes yvan-shake {
    0%,
    100% {
        -webkit-transform: translatex(0);
        transform: translatex(0);
    }
    10%,
    30%,
    50%,
    70%,
    90% {
        -webkit-transform: translatex(-10px);
        transform: translatex(-10px);
    }
    20%,
    40%,
    60%,
    80% {
        -webkit-transform: translatex(10px);
        transform: translatex(10px);
    }
}

@keyframes yvan-shake {
    0%,
    100% {
        -webkit-transform: translatex(0);
        -ms-transform: translatex(0);
        transform: translatex(0);
    }
    10%,
    30%,
    50%,
    70%,
    90% {
        -webkit-transform: translatex(-10px);
        -ms-transform: translatex(-10px);
        transform: translatex(-10px);
    }
    20%,
    40%,
    60%,
    80% {
        -webkit-transform: translatex(10px);
        -ms-transform: translatex(10px);
        transform: translatex(10px);
    }
}

.yvan-anim-06 {
    -webkit-animation-name: yvan-shake;
    animation-name: yvan-shake;
}

@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/** flex多行容器 */
.flex-column-container {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
}

/** flex多列容器 */
.flex-row-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
}

/** flex自动填充 */
.flex-item-fill {
    flex-grow: 1;
    overflow: hidden;
}

/** flex固定大小 */
.flex-item-fixed {
    flex-shrink: 0;
}

/** flex主轴上对齐方式 */
.flex-justify-content-center {
    justify-content: center;
}

/** flex交叉轴上对齐方式 */
.flex-align-items-center {
    align-items: center;
}

/** 内容居中 */
.content-center {
    display: flex;
    align-items: center;
    justify-content: center;
}