:root {
    --watt-blue-dark: #002fa6;      /* 深蓝 */
    --watt-blue-medium: #1046d1;    /* 中蓝 */
    --watt-blue-light: #285fdb;     /* 浅蓝 */
    --watt-blue-pale: #8398d5;      /* 淡蓝/灰蓝 */

    --watt-yellow-bright: #f3d938;  /* 明黄 */
    --watt-yellow-light: #ffe783;   /* 浅黄 */

    --watt-gray-medium: #a2b0be;    /* 中灰 */
    --watt-gray-light: #bec8d1;     /* 浅灰 */

    --watt-white: #ffffff;
    --watt-black: #000000;


    --left-right-padding: 1.875em;
}

/*@media screen and (max-width: 1280px) {*/
/*    .watt-em-container {*/
/*        font-size: 1.25vw;*/
/*    }*/
/*}*/

/*@media screen and (max-width: 800px) {*/
/*    .watt-em-container {*/
/*        font-size: 2vw;*/
/*    }*/
/*}*/

/*@media screen and (min-width: 1280px) {*/
/*    .watt-em-container {*/
/*        font-size: 16px;*/
/*    }*/
/*}*/

/*.watt-em-1280-width {*/
/*    max-width: 1340px;*/
/*    width: 100%;*/
/*    padding-left: var(--left-right-padding);*/
/*    padding-right: var(--left-right-padding);*/
/*}*/


/*.watt-vw-1280-width {*/
/*    --left-right-padding: 2.34375vw;*/
/*    max-width: 1340px;*/
/*    padding-left: var(--left-right-padding);*/
/*    padding-right: var(--left-right-padding);*/
/*}*/
/*@media screen and (min-width: 1280px) {*/
/*    .watt-vw-1280-width {*/
/*        --left-right-padding: 1.875em;*/
/*    }*/
/*}*/
/*@media screen and (max-width: 800px) {*/
/*    .watt-vw-1280-width {*/
/*        --left-right-padding: 3.75vw;*/
/*    }*/


/*    .watt-em-1280-width {*/
/*        padding-left: 2.5em;*/
/*        padding-right: 2.5em;*/
/*    }*/
/*}*/


/*设定为1000尺寸*/
@media screen and (max-width: 1040px) {
    .watt-em-container {
        font-size: 1.4vw;
    }
}

@media screen and (max-width: 800px) {
    .watt-em-container {
        font-size: 2vw;
    }
}

@media screen and (min-width: 1040px) {
    .watt-em-container {
        font-size: 14px;
    }
}

.watt-em-1280-width {
    max-width: 1040px;
    width: 100%;
    padding-left: var(--left-right-padding);
    padding-right: var(--left-right-padding);
}


.watt-vw-1280-width {
    --left-right-padding: 2.34375vw;
    max-width: 1040px;
    padding-left: var(--left-right-padding);
    padding-right: var(--left-right-padding);
}
@media screen and (min-width: 1040px) {
    .watt-vw-1280-width {
        --left-right-padding: 1.875em;
    }
}
@media screen and (max-width: 800px) {
    .watt-vw-1280-width {
        --left-right-padding: 3.75vw;
    }


    .watt-em-1280-width {
        padding-left: 2.5em;
        padding-right: 2.5em;
    }
}
/*设定为1000尺寸*/









/* 垂直居中 */
.watt-center-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}


/* Header */

.watt-header {
    position: relative;
    width: 100%;
    --header-bar-height: 5.9375em;
    height: var(--header-bar-height);
    display: flex;
    flex-direction: column;
    color: #ffffff;
    z-index: 10;
}

.watt-header__logo-img {
    width: 9.375em;
}


.watt-header__fixedbox {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #002fa7;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.watt-header__fixedbox.watt-header__fixedbox--active {
    transform: translateY(0);
}


.watt-header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: var(--header-bar-height);
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 0.625em;
}

.watt-header__menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.25em;
}
.watt-header__menu-link {
    font-size: 1.25em;
    font-weight: 400;
    line-height: 1.2em;
}
.watt-header__menu-item {
    position: relative;
}

.watt-header__menu-item--curmenu .watt-header__menu-link,
.watt-header__menu-mega-item--curmenu .watt-header__menu-mega-link {
    color: var(--watt-yellow-light);
}


.watt-header__menu-mega {
    position: absolute;
    left: 0;
    top:auto;
    display: flex;
    flex-direction: column;
    padding: 1.25em;
    margin-top: 1em;
    white-space: nowrap;
    width: auto;
    height: auto;
    background: #ffffff;
    gap: 1em;
    border-radius: 0.05em;
    transform: scale(0);
    transform-origin: top left;
    opacity: 0;
    transition: all .4s ease;
    box-shadow: 0 0 3em rgba(0,0,0, 0.1);
}
.watt-header__menu-mega:before {
    content: '';
    position: absolute;
    top: -1em;
    left: 0;
    width: 100%;
    height: 1em;
    z-index: 0;
}

.watt-header__menu-item:hover .watt-header__menu-mega,
.watt-header__menu-item:active .watt-header__menu-mega {
    animation: mega-hover 0.5s ease forwards;
    transform: scale(1);
    opacity: 1;
}

.watt-header__menu-mega-link {
    font-size: 1.25em;
    font-weight: 400;
    line-height: 1.2em;
    color: #000000
}


.watt-header__handle {
    display: flex;
    align-items: center;
    gap: 1.25em;
}


#watt-language-switch {
    color: #000000;
}

.watt-header__handle-mmenu-icon {
    position: relative;
    width: 2.0625em;
    height: 1.5em;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.watt-header__handle-mmenu-icon-line1,
.watt-header__handle-mmenu-icon-line2,
.watt-header__handle-mmenu-icon-line3 {
    width: 100%;
    height: 2px;
    background: #ffffff;
    transition: all .5s ease;
}
.watt-header__handle-mmenu-icon.watt-header__handle-mmenu-icon--active {
    justify-content: center;
    align-items: center;
}
.watt-header__handle-mmenu-icon--active .watt-header__handle-mmenu-icon-line2 {
    transform: scale(0);
}
.watt-header__handle-mmenu-icon--active .watt-header__handle-mmenu-icon-line1 {
    position: absolute;
    transform-origin: center;
    transform: rotate(45deg);
}
.watt-header__handle-mmenu-icon--active .watt-header__handle-mmenu-icon-line3 {
    position: absolute;
    transform-origin: center;
    transform: rotate(-45deg);
}

.watt-header__mcontainer {
    position: absolute;
    width: 100%;
    top: var(--header-bar-height);
    left: 0;
}
.watt-header__mmenus {
    width: 100%;
    height: 0;
    background: #000000;
    display: flex;
    flex-direction: column;
    gap: 4.5em;
    z-index: 1;
    overflow: hidden;
    transition: all 0.5s ease;
    max-height: calc(100vh - var(--header-bar-height));
}



.watt-header__mcontainer--active .watt-header__mmenus {
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.watt-header__mcontainer--active .watt-header__mmenus::-webkit-scrollbar {
    display: none;
}


.watt-header__mmenus-link {
    font-size: 1.875em;
    font-weight: 400;
}
.watt-header__mmenus-item:first-child{
    padding-top: 2.8125em;
}
.watt-header__mmenus-item:last-child {
    padding-bottom: 5.3125em;
}

.watt-header__mmenus-item--curmenu .watt-header__mmenus-link,
.watt-header__mmenus-mega-list-item--curmenu .watt-header__mmenus-mega-list-link{
    color:var(--watt-yellow-light);
}


.watt-header__mmenus-mega-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.watt-header__mmenus-icon {
    width: 2.5em;
    transform: rotate(-180deg);
    transition: transform .5s ease;
}
.watt-header__mmenus-mega-list {
    display: flex;
    flex-direction: column;
    padding-left: 2em;
    gap: 4.5em;
    height: 0;
    overflow: hidden;
    transition: height .5s ease;
    z-index: 2;
}
.watt-header__mmenus-mega-list-item:first-child {
    padding-top: 4.5em;
}
.watt-header__mmenus-mega-list-link {
    font-size: 1.875em;
    font-weight: 400;
}

.watt-header__mmenus-item--active .watt-header__mmenus-icon {
    transform: rotate(0);
}

.watt-header__handle-language {
    font-size: 1.125em;
    display: flex;
    gap: 0.3125em;
}
.watt-header__handle-language-link {

}

@media(min-width: 801px) {
    .watt-header__handle-mmenu {
        display: none;
    }
}
@media(max-width: 800px) {
    .watt-header__menu {
        display: none;
    }
    .watt-header__logo-img {
        width: 7.5em;
    }
    .watt-header__handle-search-icon {
        width: 3em;
    }
}






/* Footer */

.watt-footer {
    background: #000000;
    color: #ffffff;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 4.75em 0;
}
.watt-footer__container {
    display: flex;
    flex-direction: column;
}
.watt-footer__top {
    display: flex;
    gap: 5em;
}

.watt-footer__top-item {
    display: flex;
    flex-direction: column;
    gap: 1.875em;
}
.watt-footer__top-label {
    font-size: 1.125em;
    font-weight: 700;
    line-height: 1em;
}

.watt-footer__top-nav {
    display: flex;
    flex-direction: column;
    gap: 1.875em;
}

.watt-footer__top-nav-link {
    font-size: 1em;
    font-weight: 300;
    line-height: 1.2em;
}

.watt-footer__center {
    margin-top: 5.5em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.watt-footer__center-logo-img {
    width: 8.75em;
}

.watt-footer__center-media {
    display: flex;
    gap: 0.75em;
}
.watt-footer__center-media-item {
    position: relative;
}

.watt-footer__center-media-icon {
    width: 3.9375em;
}
.watt-footer__center-media-wxqrcode {
    position: absolute;
    width: 9.6875em;
    height: 9.6875em;
    background: #ffffff;
    bottom: 140%;
    border-radius: 1em;
    left: -73%;
    z-index: 1;
    transform: scale(0);
    transform-origin: center bottom;
    transition: transform .5s ease;
}

.watt-footer__center-media-wxqrcode-img {
    width: 100%;
    height: 100%;
    border-radius: 1em;
}

.watt-footer__center-media-wxqrcode:before {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 1em solid transparent;
    border-right: 1em solid transparent;
    border-top: 1.6em solid #ffffff; /* 与主体背景一致 */
}
.watt-footer__center-media-wx:hover .watt-footer__center-media-wxqrcode {
    transform: scale(1);
    display: initial;
}

.watt-foot-split-line {
    margin: 1.375em 0;
    width: 100%;
    height: 1px;
    background: #d8d8d8;
}

.watt-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1em;
}
.watt-footer__bottom-left {
    font-size: 1em;
    font-weight: 300;
    line-height: 1.2em;
}
.watt-footer__bottom-left-beian {
    color: var(--watt-blue-dark)
}

.watt-footer__bottom-list {
    display: flex;
    gap: 3em;
}

.watt-footer__bottom-list-link {
    font-size: 1em;
    font-weight: 300;
    line-height: 1.2em;
}
.watt-footer__center-media-m-label {
    display: none;
    font-size: 1.5625em;
    font-weight: 600;
    line-height: 1.2em;
}
.watt-footer__top-box {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
}
.watt-footer__top-downicon {
    display: none;
}


@media(max-width: 800px) {
    .watt-footer__top {
        order: -1;
        flex-direction: column;
        justify-content: start;
        align-items: start;
        gap: 1.6875em;
    }
    .watt-footer__center {
        order: -3;
        margin-top: 0;
        display: flex;
        flex-direction: column;
        align-items: start;
    }
    .watt-footer__bottom {
        order: 0;
    }
    .watt-foot-split-line {
        order: -2;
        margin-bottom: 1.6875em;
    }

    .watt-footer__top-item {
        width: 100%;
        border-bottom: 1px solid #D8D8D8;
        transition: padding .5s ease;
    }
    .watt-footer__top-item.watt-footer__top-item--active {
        padding-bottom: 1.6875em;
    }
    .watt-footer__top-downicon {
        display: initial;
        width: 2.5em;
        transform: rotate(-180deg);
        transition: all 0.5s ease;
    }
    .watt-footer__top-item--active .watt-footer__top-downicon {
        transform: rotate(0deg);
    }
    .watt-footer__top-label {
        font-size: 1.5625em;
    }


    .watt-footer__top-nav {
        transition: height 0.5s ease;
        padding-left: 2.0625em;
        gap: 1.875em;
        justify-content: start;
        height: 0;
        overflow: hidden;
    }
    .watt-footer__top-nav-link {
        font-size: 1.4375em;
    }

    .watt-footer__center-logo-img {
        width: 10.9375em;
    }
    .watt-footer__center-media-m-label {
        display: initial;
        margin-top: 3.4375em;
    }
    .watt-footer__center-media {
        margin-top: 1.875em;
    }
    .watt-footer__center-media-icon {
        width: 3.125em;
    }
    .watt-footer__center-media-wx:hover .watt-footer__center-media-wxqrcode,
    .watt-footer__center-media-wx:active .watt-footer__center-media-wxqrcode {
        transform: scale(0.95);
    }

    .watt-footer__bottom {
        margin-top: 1.875em;
        flex-direction: column;
        align-items: start;
        gap: 1em;
    }
    .watt-footer__bottom-left,
    .watt-footer__bottom-list-link {
        font-size: 1.0625em;
    }
    .watt-footer__bottom-list {
        gap: 2.9375em;
    }
}

.watt-rfixed {
    position: fixed;
    width: 4.5em;
    right: 1px;
    bottom: 20%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.8125em;
    z-index: 10;
}


.watt-rfixed__gotop {
    width: 2.5em;
    height: 2.5em;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    cursor: pointer;
    transition: transform .5s ease;
    border: 1px solid #C6C6C6;
    transform: scale(0.5) translateX(250%) ;
}

.watt-rfixed__gotop--active {
    transform: scale(1) translateX(0);
}

.watt-rfixed__gotop-icon {
    margin-top: 0.2em;
    width: 1em;
    transition: all .5s ease;
}

.watt-rfixed__gotop:hover ,
.watt-rfixed__contactus:hover  {
    transform: scale(1.15);
}


.watt-rfixed__contactus {
    width: 2.5em;
    height: 2.5em;
    background: var(--watt-blue-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: all .5s ease;
}
.watt-rfixed__email-icon {
    width: 1.5625em;
    transition: all .5s ease;
}


.watt-section {
    height: 800px;
    background: #000000;
}
.watt-section:last-child{
    background: #ffffff;
}

/*page*/
.watt-page {
    width: 100%;
    padding-bottom: 3.125em;
    padding: 3.125em 0;
    overflow-x: hidden;
}

.watt-page .watt-page__wrap p,
.watt-page .watt-page__wrap span,
.watt-page .watt-page__wrap a,
.watt-page .watt-page__wrap strong,
.watt-page .watt-page__wrap em,
.watt-page .watt-page__wrap h1,
.watt-page .watt-page__wrap h2,
.watt-page .watt-page__wrap h3,
.watt-page .watt-page__wrap h4,
.watt-page .watt-page__wrap h5,
.watt-page .watt-page__wrap h6 {
    all: revert;
}



.watt-hidden {
	display: none!important
}

.watt-pc-hidden {
	display: none!important
}

@media (max-width:800px) {
	.watt-m-hidden {
		display: none!important
	}
	.watt-pc-hidden {
		display: initial!important
	}
}