.menu-overlay-parent {
    --color-text: #fbd54a;
    --color-bg: #333;
    --color-link: #4d4f5f;
    --color-link-hover: #bfb5b5;
    --color-info: #fff;
    --color-main-bg: #24262d;
    --path-fill-1: #1f2942;
    --path-fill-2: #ee7362;
    --path-fill-3: #5483a1;
    --path-fill-4: #1f2942;
    --color-title: #fff;
    --font-size-title: 40px;
    --font-weight-title: 800;
    --color-menu: #ffffff;
    --color-menu-hover: #DA2525;
    /* --font-family-menu: -apple-system,"Helvetica Neue","Roboto","Arial","PingFang SC",Microsoft YaHei,黑体,"Heiti",sans-serif;*/
    --font-size-menu: 30px;
    --font-weight-menu: 300;
    --button-bg: #fff;
    --button-circle: #ada4a4;
    --button-line: #222;    
}

.menu-button {
    transform: scale(0.8);
    box-shadow: 0px 5px 15px rgba(0,0,0,0.5);
    position: fixed;
}

.global-menu {
    height: 100vh;
}

.global-menu__item:hover {
    transition-delay: 0s !important;
    -moz-transition-delay: 0s !important;
    -webkit-transition-delay: 0s !important;
    -o-transition-delay: 0s !important;
    transition: color 0.2s !important;
    -moz-transition: color 0.2s !important; /* Firefox 4 */
    -webkit-transition: color 0.2s !important; /* Safari 和 Chrome */
    -o-transition: color 0.2s !important;
}

.global-menu-copyright {
    position: fixed;
    width: 300px;
    left: 50vw;
    bottom: 35px;
    display: inline-block;
    margin-left: -150px;
    color: #858585;
    font-size: 13px;
    line-height: 13px;
    font-family: -apple-system,"Helvetica Neue","Roboto","Arial","PingFang SC",Microsoft YaHei,黑体,"Heiti",sans-serif;
    font-weight: 300;
    text-align: center;
    opacity: 0;
    transition-delay: 0.9s;
    transition: all 0.2s;
    transition-timing-function: ease;
}

    .global-menu-copyright.is-opened {
        opacity: 1;
        transition-delay: 0.9s;
    }

.global-menu {
    width: 100vw;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 100;
}

.global-menu__item {
    color: var(--color-menu);
    font-family: var(--font-family-menu);
    font-size: var(--font-size-menu);
    font-weight: var(--font-weight-menu);
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
    display: block;
    margin: 0.25em 0;
    transition: transform 0.3s, opacity 0.3s;
    transition-timing-function: ease-in;
    line-height: 1.5;
    text-decoration-line: none;
    text-align:center;
}

.global-menu__item--demo-2:nth-child(odd) {
    transform: translateY(-100%) rotate(10deg);
}

.global-menu__item--demo-2:nth-child(even) {
    transform: translateY(-100%) rotate(-10deg);
}

.global-menu__item--demo-3 {
    transition: transform 0.1s, opacity 0.1s;
    transform: translateY(100%);
    transition-timing-function: ease-out;
}

.global-menu__item--demo-4,
.global-menu__item--demo-5 {
    transition: transform 0.1s, opacity 0.1s;
    transition-timing-function: ease-out;
}

.global-menu__item--demo-4 {
    transform: translateX(40%);
}

.global-menu__item--demo-5:nth-child(odd) {
    transform: translateX(100%) rotate(10deg) scale(0.5);
}

.global-menu__item--demo-5:nth-child(even) {
    transform: translateX(100%) rotate(-10deg) scale(0.5);
}

.global-menu__item--demo-6 {
    transform: translateY(100%);
}

.global-menu__item:hover {
    color: var(--color-menu-hover);
}

.global-menu__item.is-opened {
    opacity: 1;
    transform: translateY(0) rotate(0);
    pointer-events: auto;
    transition-timing-function: ease;
}

.global-menu__item--demo-4.is-opened,
.global-menu__item--demo-5.is-opened {
    transform: translateX(0) rotate(0);
}

.global-menu__item--demo-4.is-opened {
    transition-timing-function: cubic-bezier(0.230, 1.000, 0.355, 1.400);
}

.global-menu__item:nth-of-type(1) {
    transition-delay: 0s;
}

.global-menu__item.is-opened:nth-of-type(1) {
    transition-delay: 0.85s;
}

.global-menu__item:nth-of-type(2) {
    transition-delay: 0.05s;
}

.global-menu__item.is-opened:nth-of-type(2) {
    transition-delay: 0.8s;
}

.global-menu__item:nth-of-type(3) {
    transition-delay: 0.1s;
}

.global-menu__item.is-opened:nth-of-type(3) {
    transition-delay: 0.75s;
}

.global-menu__item:nth-of-type(4) {
    transition-delay: 0.15s;
}

.global-menu__item.is-opened:nth-of-type(4) {
    transition-delay: 0.7s;
}

/* demo 3 */
.global-menu__item--demo-3.is-opened {
    transition-duration: 0.3s;
}

.global-menu__item--demo-3:nth-of-type(1) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(1) {
    transition-delay: 0.65s;
}

.global-menu__item--demo-3:nth-of-type(2) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(2) {
    transition-delay: 0.7s;
}

.global-menu__item--demo-3:nth-of-type(3) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(3) {
    transition-delay: 0.75s;
}

.global-menu__item--demo-3:nth-of-type(4) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(4) {
    transition-delay: 0.8s;
}

.global-menu__item--demo-3:nth-of-type(5) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(5) {
    transition-delay: 0.83s;
}

.global-menu__item--demo-3:nth-of-type(6) {
    transition-delay: 0s;
}

.global-menu__item--demo-3.is-opened:nth-of-type(6) {
    transition-delay: 0.85s;
}

.shape-overlays {
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
}

    .shape-overlays.is-opened {
        pointer-events: auto;
    }

.shape-overlays__path:nth-of-type(1) {
    fill: var(--path-fill-1);
}

.shape-overlays__path:nth-of-type(2) {
    fill: var(--path-fill-2);
}

.shape-overlays__path:nth-of-type(3) {
    fill: var(--path-fill-3);
}

.shape-overlays__path:nth-of-type(4) {
    fill: var(--path-fill-4);
}

@-webkit-keyframes intervalHamburgerBorder {
    0% {
        opacity: 1;
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }

    80% {
        -webkit-transform: scale(1.6);
        transform: scale(1.6);
    }

    100% {
        opacity: 0;
        -webkit-transform: scale(1.6);
        transform: scale(1.6);
    }
}

@keyframes intervalHamburgerBorder {
    0% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    80% {
        -webkit-transform: scale(1.6);
        transform: scale(1.6);
    }

    100% {
        opacity: 0;
        -webkit-transform: scale(1.6);
        transform: scale(1.6);
    }
}

.overlay-hamburger {
    width: 64px;
    height: 64px;
    display: block;
    position: relative;
    cursor: pointer;
    position: absolute;
    top: 20px;
    z-index: 1100;
    border-radius: 50%;
    background-color: var(--button-bg);
    pointer-events: auto;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

    .overlay-hamburger::after {
        width: 64px;
        height: 64px;
        box-sizing: border-box;
        content: '';
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        pointer-events: none;
    }

    .overlay-hamburger:hover::after {
        border: 4px solid var(--button-circle);
        border-radius: 50%;
        -webkit-animation-duration: 1.2s;
        animation-duration: 1.2s;
        -webkit-animation-name: intervalHamburgerBorder;
        animation-name: intervalHamburgerBorder;
        -webkit-animation-iteration-count: infinite;
        animation-iteration-count: infinite;
    }

.overlay-hamburger__line {
    width: 28px;
    height: 2px;
    overflow: hidden;
    position: absolute;
    z-index: 10;
}

.overlay-hamburger__line--01,
.overlay-hamburger__line--02,
.overlay-hamburger__line--03 {
    width: 5px;
    height: 5px;
    border-radius: 2.5px;
}

.overlay-hamburger__line-in {
    width: 84px;
    height: 2px;
    position: absolute;
    top: 0;
    left: 0;
}

.overlay-hamburger__line-in--01,
.overlay-hamburger__line-in--02,
.overlay-hamburger__line-in--03 {
    height: 5px;
}

.overlay-hamburger__line-in::before,
.overlay-hamburger__line-in::after {
    width: 28px;
    height: 2px;
    content: '';
    display: block;
    position: absolute;
    top: 0;
    background-color: var(--button-line);
}

.overlay-hamburger__line-in::before,
.overlay-hamburger__line-in::after {
    height: 5px;
}

.overlay-hamburger__line-in::before {
    left: -56px;
}

.overlay-hamburger__line-in::after {
    left: 0;
}

.overlay-hamburger__line--01,
.overlay-hamburger__line--02,
.overlay-hamburger__line--03 {
    left: 28px;
}

.overlay-hamburger__line--cross01,
.overlay-hamburger__line--cross02 {
    left: 18px;
}

.overlay-hamburger__line--01 {
    top: 18px;
}

.overlay-hamburger__line--02 {
    top: 29px;
}

.overlay-hamburger__line--03 {
    top: 40px;
}

.overlay-hamburger__line--cross01,
.overlay-hamburger__line--cross02 {
    top: 31px;
}

.overlay-hamburger__line--cross01 {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.overlay-hamburger__line--cross02 {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.overlay-hamburger__line {
    -webkit-transition-duration: 0.6s;
    transition-duration: 0.6s;
}

.overlay-hamburger__line-in {
    -webkit-transition-duration: 0.6s;
    transition-duration: 0.6s;
    -webkit-transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
    transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
}

    .overlay-hamburger__line-in::before,
    .overlay-hamburger__line-in::after {
        -webkit-transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
        transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
        -webkit-transition-property: -webkit-transform;
        transition-property: -webkit-transform;
        transition-property: transform;
        transition-property: transform, -webkit-transform;
    }

.overlay-hamburger__line-in--cross01,
.overlay-hamburger__line-in--cross02 {
    -webkit-transform: translateX(-33.3%);
    transform: translateX(-33.3%);
}

.overlay-hamburger__line-in--01 {
    -webkit-transition-delay: 0.2s;
    transition-delay: 0.2s;
}

.overlay-hamburger__line-in--02 {
    -webkit-transition-delay: 0.25s;
    transition-delay: 0.25s;
}

    .overlay-hamburger__line-in--02::before,
    .overlay-hamburger__line-in--02::after {
        -webkit-transition-delay: 0.05s;
        transition-delay: 0.05s;
    }

.overlay-hamburger__line-in--03 {
    -webkit-transition-delay: 0.3s;
    transition-delay: 0.3s;
}

    .overlay-hamburger__line-in--03::before,
    .overlay-hamburger__line-in--03::after {
        -webkit-transition-delay: 0.1s;
        transition-delay: 0.1s;
    }

.overlay-hamburger__line-in--cross01 {
    -webkit-transition-delay: 0.0s;
    transition-delay: 0.0s;
}

.overlay-hamburger__line-in--cross02 {
    -webkit-transition-delay: 0.05s;
    transition-delay: 0.05s;
}

    .overlay-hamburger__line-in--cross02::before,
    .overlay-hamburger__line-in--cross02::after {
        -webkit-transition-delay: 0.1s;
        transition-delay: 0.1s;
    }

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--01,
.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--02,
.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--03 {
    -webkit-transform: translateX(33.3%);
    transform: translateX(33.3%);
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--cross01,
.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--cross02 {
    -webkit-transform: translateX(0);
    transform: translateX(0);
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--01 {
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--02 {
    -webkit-transition-delay: 0.05s;
    transition-delay: 0.05s;
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--03 {
    -webkit-transition-delay: 0.1s;
    transition-delay: 0.1s;
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--cross01 {
    -webkit-transition-delay: 0.25s;
    transition-delay: 0.25s;
}

.overlay-hamburger.is-opened-navi .overlay-hamburger__line-in--cross02 {
    -webkit-transition-delay: 0.3s;
    transition-delay: 0.3s;
}

.overlay-hamburger:hover .overlay-hamburger__line-in::before,
.overlay-hamburger:hover .overlay-hamburger__line-in::after {
    -webkit-transform: translateX(200%);
    transform: translateX(200%);
}

.overlay-hamburger:hover .overlay-hamburger__line-in--01::before,
.overlay-hamburger:hover .overlay-hamburger__line-in--01::after,
.overlay-hamburger:hover .overlay-hamburger__line-in--02::before,
.overlay-hamburger:hover .overlay-hamburger__line-in--02::after,
.overlay-hamburger:hover .overlay-hamburger__line-in--03::before,
.overlay-hamburger:hover .overlay-hamburger__line-in--03::after {
    -webkit-transition-duration: 1s;
    transition-duration: 1s;
}

.overlay-hamburger:hover .overlay-hamburger__line-in--cross01::before,
.overlay-hamburger:hover .overlay-hamburger__line-in--cross01::after,
.overlay-hamburger:hover .overlay-hamburger__line-in--cross02::before,
.overlay-hamburger:hover .overlay-hamburger__line-in--cross02::after {
    -webkit-transition-duration: 0s;
    transition-duration: 0s;
}

.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--cross01::before,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--cross01::after,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--cross02::before,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--cross02::after {
    -webkit-transition-duration: 1s;
    transition-duration: 1s;
}

.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--01::before,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--01::after,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--02::before,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--02::after,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--03::before,
.overlay-hamburger.is-opened-navi:hover .overlay-hamburger__line-in--03::after {
    -webkit-transition-duration: 0s;
    transition-duration: 0s;
}