* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: #333;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.7;
    background: #fff;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    border: 0;
}

.legacy-top {
    height: 90px;
    position: relative;
    text-align: center;
    background: #f5f5f5;
    overflow: hidden;
}

.legacy-top img {
    width: 1920px;
    max-width: none;
    height: 90px;
    display: block;
}

.legacy-top-phone {
    width: 430px;
    height: 66px;
    position: absolute;
    top: 12px;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 58px;
    color: #333;
    background: #f5f5f5;
}

.legacy-top-phone span {
    color: #555;
    font-size: 16px;
}

.legacy-top-phone strong {
    color: #e93957;
    font-size: 28px;
    line-height: 1.1;
}

.legacy-nav {
    height: 42px;
    background: #2ab1aa;
}

.legacy-nav-inner {
    width: 1200px;
    max-width: 100%;
    height: 42px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.legacy-nav a {
    min-width: 110px;
    height: 42px;
    line-height: 42px;
    color: #fff;
    text-align: center;
}

.legacy-nav a:hover {
    background: #ffb400;
}

.home-overlay-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100000;
    background: rgba(255, 255, 255, 0);
    transition: background .28s ease;
}

.home-overlay-header.is-scrolled {
    background: #1da9a9;
}

.subpage-unified-header {
    position: relative;
    z-index: 1000;
    background: #1da9a9;
}

.subpage-unified-header .home-overlay-inner {
    min-height: 110px;
}

.home-overlay-inner {
    width: 100%;
    max-width: 80%;
    min-height: 110px;
    margin: 0 auto;
    padding-top: 20px;
    display: flex;
    align-items: flex-start;
}

.home-overlay-logo {
    width: 22%;
    max-width: 250px;
    display: block;
}

.home-overlay-logo img {
    max-width: 100%;
    height: auto;
    display: block;
}

.home-overlay-nav {
    flex: 1 1 auto;
    height: auto;
    margin-left: 5%;
    padding-top: 45px;
    background: transparent;
}

.home-overlay-nav .legacy-nav-inner {
    width: auto;
    height: auto;
    max-width: none;
    margin: 0;
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
}

.home-overlay-nav a {
    min-width: 0;
    width: auto;
    height: auto;
    line-height: 1.35;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    white-space: nowrap;
}

.home-overlay-nav a:hover {
    color: #000;
    background: transparent;
}

.home-overlay-nav a span {
    margin: 0 10px;
}

.home-overlay-phone {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 40px;
    color: #fff;
    font-size: 25px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.legacy-banner {
    height: 550px;
    overflow: hidden;
    background: #f4f4f4;
}

.legacy-banner img {
    width: 1920px;
    max-width: none;
    height: auto;
    display: block;
}

.legacy-carousel {
    height: 550px;
    position: relative;
    overflow: hidden;
    background: #f4f4f4;
}

.legacy-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    animation: legacyCarousel 12s infinite;
}

.legacy-slide:first-child {
    opacity: 1;
}

.legacy-slide:nth-child(2) {
    animation-delay: 4s;
}

.legacy-slide:nth-child(3) {
    animation-delay: 8s;
}

.legacy-slide img {
    width: 1920px;
    max-width: none;
    height: auto;
    display: block;
}

.legacy-carousel-dots {
    position: absolute;
    right: 0;
    bottom: 16px;
    left: 0;
    z-index: 5;
    text-align: center;
}

.legacy-carousel-dots span {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin: 0 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .72);
}

.legacy-carousel-dots span:nth-child(1) {
    animation: legacyDot 12s infinite;
}

.legacy-carousel-dots span:nth-child(2) {
    animation: legacyDot 12s infinite 4s;
}

.legacy-carousel-dots span:nth-child(3) {
    animation: legacyDot 12s infinite 8s;
}

.is-home .legacy-carousel {
    height: auto;
    overflow: hidden;
    background: transparent;
}

.is-home .legacy-slide {
    inset: 0;
}

.is-home .legacy-slide:first-child {
    position: relative;
}

.is-home .legacy-slide img {
    width: 100%;
    max-width: 100%;
    height: auto;
}

.home-promo-band {
    background: #f0f3f6;
}

.home-promo-image {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.home-promo-image img {
    display: block;
    width: 100%;
    height: auto;
}

.home-advantage-grid {
    width: 1200px;
    max-width: 100%;
    min-height: 110px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    color: #a1a1a1;
}

.home-advantage-item {
    min-height: 100px;
    margin: 0;
    padding: 20px 10px 12px 120px;
    background-position: 20px 30px;
    background-repeat: no-repeat;
}

.home-advantage-item strong {
    display: block;
    color: #000;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.3;
}

.home-advantage-item p {
    margin: 5px 0 0;
    padding-right: 20px;
    color: #999;
    font-size: 14px;
    line-height: 22px;
}

.advantage-qualification {
    background-image: url("/static/images/j1.jpg");
}

.advantage-technology {
    background-image: url("/static/images/j2.jpg");
}

.advantage-research {
    background-image: url("/static/images/j3.jpg");
}

.advantage-price {
    background-image: url("/static/images/j4.jpg");
}

.home-brand-intro {
    padding: 72px 0 70px;
    background: #fff;
    text-align: center;
}

.company-brand-intro {
    min-height: 650px;
    padding: 72px 16px 80px;
    background: #fff;
    text-align: center;
}

.home-brand-title {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
}

.home-brand-title img {
    display: block;
    width: 1017px;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.home-brand-images {
    width: 1200px;
    max-width: 100%;
    margin: 18px auto 42px;
}

.home-brand-images img {
    display: block;
    width: 997px;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.home-brand-text {
    width: 1150px;
    max-width: 100%;
    margin: 0 auto;
    color: #000;
    font-size: 16px;
    line-height: 2;
    text-align: center;
}

.home-brand-text p {
    margin: 0;
}

.home-air-pollution {
    padding: 82px 0 70px;
    background: #fff;
    text-align: center;
}

.home-pollution-title {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto 18px;
}

.home-pollution-title img {
    display: block;
    width: 737px;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.home-pollution-grid {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 395px);
    justify-content: center;
    gap: 10px;
}

.home-pollution-card {
    margin: 0;
}

.home-pollution-photo {
    width: 395px;
    height: 273px;
    position: relative;
    overflow: hidden;
}

.home-pollution-photo img {
    display: block;
    width: 395px;
    height: 273px;
}

.home-pollution-photo p {
    min-height: 110px;
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0;
    padding: 16px 12px 12px;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
    text-align: left;
    background: rgba(72, 72, 72, .68);
}

.home-pollution-card strong {
    display: block;
    margin-top: 8px;
    color: #000;
    font-size: 22px;
    line-height: 1.4;
}

.home-testing-cta {
    min-height: 223px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2db3aa;
    text-align: center;
    background: url("/static/images/bg22.jpg") center top / cover no-repeat;
}

.home-testing-cta-inner {
    width: 1200px;
    max-width: 100%;
    padding: 32px 20px 28px;
}

.home-testing-cta h2 {
    margin: 0;
    color: #2db3aa;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.25;
}

.home-testing-cta h2::after {
    content: "";
    display: block;
    width: 933px;
    max-width: 100%;
    height: 21px;
    margin: 10px auto 0;
    background: url("/static/picture/line11.png") center / contain no-repeat;
}

.home-testing-cta p {
    margin: 8px 0 14px;
    color: #ffa903;
    font-size: 23px;
    line-height: 1.5;
}

.home-testing-actions {
    display: flex;
    justify-content: center;
    gap: 130px;
}

.home-testing-actions a {
    width: 151px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    line-height: 44px;
    border-radius: 9px;
}

.home-testing-actions a:first-child {
    background: #00a9b9;
}

.home-testing-actions a:last-child {
    background: #ffb700;
}

.home-legacy-services {
    min-height: 744px;
    padding-top: 82px;
    text-align: center;
    background: url("/static/images/wu.jpg") center top / cover no-repeat;
}

.home-services-heading {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto 58px;
}

.home-services-heading h2 {
    margin: 0;
    color: #111;
    font-size: 38px;
    line-height: 1.25;
    font-weight: 700;
}

.home-services-heading h2 span {
    display: inline-block;
    margin-right: 4px;
    color: #00a9b0;
}

.home-services-heading i {
    display: block;
    width: 52px;
    height: 4px;
    margin: 16px auto 16px;
    background: #00a995;
}

.home-services-heading p {
    margin: 0;
    color: #777;
    font-size: 18px;
    line-height: 1.5;
}

.home-services-heading.is-background-title {
    height: 110px;
    position: relative;
}

.home-services-heading.is-background-title h2,
.home-services-heading.is-background-title i,
.home-services-heading.is-background-title p {
    width: 1px;
    height: 1px;
    position: absolute;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.home-services-grid {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.home-service-card {
    height: 430px;
    position: relative;
    overflow: hidden;
    background: #fff;
}

.home-service-card img {
    width: 100%;
    height: 430px;
    display: block;
    object-fit: cover;
}

.home-service-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 42px 28px 86px;
    color: #fff;
    background: rgba(70, 70, 70, .42);
    opacity: 0;
    transform: translateY(-18px);
    transition: opacity .35s ease, transform .35s ease;
}

.home-service-overlay h3 {
    margin: 0 0 72px;
    color: #ffe400;
    font-size: 26px;
    line-height: 1.3;
    font-weight: 400;
}

.home-service-overlay p {
    margin: 0;
    color: #fff;
    font-size: 17px;
    line-height: 30px;
}

.home-service-card strong {
    min-height: 58px;
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffe400;
    font-size: 30px;
    line-height: 1.25;
    background: rgba(56, 56, 56, .76);
}

.home-service-card:hover .home-service-overlay {
    opacity: 1;
    transform: translateY(0);
}

.home-services-dots {
    margin-top: 36px;
    text-align: center;
}

.home-services-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #008df6;
}

@keyframes legacyCarousel {
    0%, 29% {
        opacity: 1;
        transform: scale(1);
        z-index: 2;
    }

    35%, 94% {
        opacity: 0;
        transform: scale(1.025);
        z-index: 1;
    }

    95%, 100% {
        opacity: 1;
        transform: scale(1);
        z-index: 2;
    }
}

@keyframes legacyDot {
    0%, 29% {
        background: #2ab1aa;
    }

    35%, 100% {
        background: rgba(255, 255, 255, .72);
    }
}

.legacy-main,
.home-section,
.home-product-band {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
}

.legacy-main {
    margin-top: 5px;
}

.breadcrumb {
    height: 51px;
    line-height: 51px;
    color: #666;
    border-bottom: 1px solid #e5e5e5;
}

.breadcrumb a {
    color: #2ab1aa;
}

.legacy-layout {
    display: grid;
    grid-template-columns: 245px 1fr;
    gap: 35px;
    padding-top: 20px;
}

.legacy-sidebar {
    width: 245px;
}

.side-box,
.side-contact {
    margin-bottom: 20px;
    border-bottom: 9px solid #eaeaea;
    background: #fff;
}

.side-box h2,
.side-contact h2 {
    height: 102px;
    margin: 0;
    line-height: 102px;
    text-align: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    background: #1a8e67;
}

.side-box a {
    display: block;
    height: 60px;
    line-height: 60px;
    padding-left: 25px;
    border: 1px solid #eaeaea;
    border-top: 0;
    background: #fff;
}

.side-box a:hover {
    color: #fff;
    background: #2ab1aa;
}

.side-box a.is-active {
    color: #fff;
    background: #2ab1aa;
}

.side-contact {
    padding-bottom: 16px;
}

.side-contact strong,
.side-contact p,
.side-contact a {
    display: block;
    padding: 0 12px;
}

.side-contact strong {
    margin-top: 12px;
    color: #2ab1aa;
    font-size: 16px;
}

.side-contact p {
    margin: 8px 0 0;
    color: #333;
    font-size: 18px;
}

.side-contact a {
    color: #2ab1aa;
    font-size: 22px;
}

.legacy-content {
    min-width: 0;
}

.detail-content h1 {
    margin: 0 0 20px;
    padding: 18px 0;
    text-align: center;
    font-size: 24px;
    border-bottom: 1px dashed #ccc;
}

.detail-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 16px auto;
}

.cta {
    margin-top: 28px;
    padding: 16px;
    background: #eff8f1;
}

.cta a {
    color: #2ab1aa;
    font-weight: 700;
}

.legacy-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 286px);
    gap: 30px;
    align-items: start;
}

.legacy-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 32px;
    color: #666;
    text-align: center;
    background: #f7f7f7;
    border: 1px solid #eee;
}

.legacy-case-card {
    margin: 0;
    padding: 0;
    border: 0;
    background: #f6f6f6;
}

.legacy-case-card a {
    display: block;
    width: 286px;
    overflow: hidden;
    position: relative;
    background: #f6f6f6;
}

.legacy-case-card img {
    display: block;
    width: 284px;
    height: 213px;
    padding: 1px;
    transition: transform .35s ease, opacity .35s ease;
}

.legacy-case-card a::before {
    width: 284px;
    height: 213px;
    content: "";
    position: absolute;
    top: 1px;
    left: 1px;
    z-index: 1;
    background: rgba(0, 0, 0, 0);
    opacity: 0;
    transition: opacity .35s ease, background .35s ease;
}

.legacy-case-card a::after {
    width: 44px;
    height: 44px;
    content: "+";
    position: absolute;
    top: 86px;
    left: 50%;
    z-index: 2;
    margin-left: -22px;
    color: #fff;
    font-size: 32px;
    line-height: 40px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, .9);
    border-radius: 50%;
    opacity: 0;
    transform: translateY(18px) scale(.85);
    transition: opacity .35s ease, transform .35s ease;
}

.legacy-case-card span {
    display: block;
    height: 45px;
    line-height: 45px;
    color: #555;
    text-align: center;
}

.legacy-case-intro {
    width: 284px;
    height: 213px;
    position: absolute;
    top: 1px;
    left: 1px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 22px;
    color: #fff;
    text-align: center;
    background: rgba(0, 0, 0, .68);
    opacity: 0;
    transform: translateY(-18px);
    transition: opacity .35s ease, transform .35s ease;
}

.legacy-case-intro strong {
    margin-bottom: 10px;
    color: #deff00;
    font-size: 20px;
    line-height: 1.3;
}

.legacy-case-intro p {
    max-height: 72px;
    margin: 0;
    overflow: hidden;
    font-size: 14px;
    line-height: 24px;
}

.legacy-case-intro em {
    width: 88px;
    height: 28px;
    margin: 16px auto 0;
    font-style: normal;
    line-height: 26px;
    border: 1px solid rgba(255, 255, 255, .86);
    border-radius: 2px;
}

.legacy-case-card a:hover {
    background: #2ab1aa;
}

.legacy-case-card a:hover span {
    color: #fff;
}

.legacy-case-card a:hover img {
    transform: scale(1.06);
    opacity: .88;
}

.legacy-case-card a:hover::before {
    opacity: 1;
    background: rgba(0, 0, 0, .3);
}

.legacy-case-card a:hover::after {
    opacity: 0;
    transform: translateY(18px) scale(.85);
}

.legacy-case-card a:hover .legacy-case-intro {
    opacity: 1;
    transform: translateY(0);
}

.case-detail-gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 24px 0;
}

.case-detail-gallery figure {
    margin: 0;
    overflow: hidden;
    border: 1px solid #e7e7e7;
    background: #fff;
}

.case-detail-gallery img {
    display: block;
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.case-detail-gallery figcaption {
    padding: 10px 12px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
}

.legacy-text-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.legacy-text-list li {
    height: 48px;
    line-height: 48px;
    border-bottom: 1px solid #eaeaea;
}

.legacy-text-list a {
    display: flex;
    justify-content: space-between;
    padding: 0 12px;
}

.legacy-text-list a:hover {
    color: #2ab1aa;
}

.legacy-text-list time {
    color: #999;
}

.legacy-pages {
    margin: 54px 0 20px;
    text-align: center;
    color: #999;
}

.legacy-pages a,
.legacy-pages span,
.legacy-pages strong {
    display: inline-block;
    min-width: 34px;
    height: 30px;
    line-height: 28px;
    margin: 0 3px;
    padding: 0 8px;
    border: 1px solid #ddd;
    background: #fff;
    font-weight: 400;
}

.legacy-pages strong {
    color: #fff;
    border-color: #2ab1aa;
    background: #2ab1aa;
}

.legacy-pages a:hover {
    color: #2ab1aa;
    border-color: #2ab1aa;
}

.home-section {
    padding: 42px 0;
}

.home-section h2,
.home-product-band h2 {
    margin: 0 0 24px;
    color: #2ab1aa;
    font-size: 28px;
    text-align: center;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-grid article {
    padding: 24px;
    border: 1px solid #e7e7e7;
    background: #fff;
}

.service-grid h3 {
    margin-top: 0;
    color: #2ab1aa;
}

.home-product-band {
    padding: 35px 0 45px;
    color: #fff;
    background: #2ab1aa;
}

.home-product-title {
    margin-bottom: 40px;
    text-align: center;
}

.home-product-title img {
    width: 1157px;
    max-width: 100%;
    height: auto;
}

.home-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding: 0 34px;
}

.home-product-grid article {
    margin: 0;
    padding: 0 18px 12px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: transform .35s ease;
}

.home-product-grid img {
    width: 284px;
    height: 307px;
    display: inline-block;
    transition: transform .35s ease, filter .35s ease;
}

.home-product-grid article:hover {
    transform: translateY(-8px);
}

.home-product-grid article:hover img {
    transform: scale(1.04);
    filter: drop-shadow(0 12px 18px rgba(0, 0, 0, .22));
}

.home-product-grid h3 {
    margin: 18px 0 8px;
    color: #deff00;
    font-size: 24px;
}

.home-product-grid p {
    margin: 0;
    color: #fff;
}

.home-product-intro {
    position: absolute;
    inset: 0 18px 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 20px;
    color: #fff;
    text-align: left;
    background: #2ab1aa;
    transform: translateY(100%);
    transition: transform .36s ease;
}

.home-product-intro strong {
    margin-bottom: 18px;
    color: #deff00;
    font-size: 26px;
    line-height: 1.3;
}

.home-product-intro p {
    margin: 0;
    color: #fff;
    font-size: 17px;
    line-height: 30px;
}

.home-product-grid article:hover .home-product-intro {
    transform: translateY(0);
}

.home-case-grid {
    width: 918px;
    margin: 0 auto;
}

.home-legacy-cases {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 66px 0 64px;
    text-align: center;
    background: #fff;
}

.home-cases-heading {
    position: relative;
    margin-bottom: 36px;
    text-align: center;
}

.home-cases-heading em {
    position: absolute;
    top: -70px;
    left: 50%;
    z-index: 0;
    transform: translateX(-50%);
    color: #efefef;
    font-size: 82px;
    line-height: 1;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 2px;
    white-space: nowrap;
    pointer-events: none;
}

.home-cases-heading h2 {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #111;
    font-size: 38px;
    line-height: 1.25;
    font-weight: 700;
}

.home-cases-heading h2 span {
    color: #00a9b0;
}

.home-cases-heading i {
    position: relative;
    z-index: 1;
    display: block;
    width: 52px;
    height: 4px;
    margin: 18px auto 18px;
    background: #00a995;
}

.home-cases-heading p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: #777;
    font-size: 17px;
    line-height: 1.5;
}

.home-case-filters {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 66px;
}

.case-filter {
    width: 166px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 18px;
    background: #eee;
}

.case-filter:hover,
.case-filter.is-active {
    color: #fff;
    background: #2eb8b2;
}

.home-legacy-case-wall {
    width: 1132px;
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.home-legacy-case-card {
    margin: 0;
    padding: 0;
}

.home-legacy-case-card a {
    height: 219px;
    display: block;
    position: relative;
    overflow: hidden;
    color: #fff;
    background: #222;
}

.home-legacy-case-card img {
    width: 100%;
    height: 219px;
    display: block;
    object-fit: cover;
    transition: transform .35s ease, opacity .35s ease;
}

.home-legacy-case-card div {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 34px 24px 72px;
    color: #fff;
    text-align: left;
    background: rgba(0, 0, 0, .58);
    opacity: 0;
    transform: translateY(-18px);
    transition: opacity .35s ease, transform .35s ease;
}

.home-legacy-case-card div b {
    display: block;
    margin-bottom: 14px;
    color: #ffe400;
    font-size: 22px;
    line-height: 1.3;
    text-align: center;
}

.home-legacy-case-card div p {
    margin: 0;
    color: #fff;
    font-size: 14px;
    line-height: 24px;
}

.home-legacy-case-card strong {
    min-height: 51px;
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffe400;
    font-size: 22px;
    line-height: 1.25;
    background: rgba(0, 0, 0, .62);
}

.home-legacy-case-card:hover img {
    transform: scale(1.05);
    opacity: .86;
}

.home-legacy-case-card:hover div {
    opacity: 1;
    transform: translateY(0);
}

.home-legacy-advantage-banner {
    width: 100%;
    overflow: hidden;
    background: #26aaa7;
}

.home-legacy-advantage-banner img {
    width: 100%;
    min-height: 170px;
    display: block;
    object-fit: cover;
    object-position: center;
}

.home-legacy-advantages {
    height: 1006px;
    overflow: hidden;
    background: #f4f4f4 url("/static/images/8.jpg") center top no-repeat;
}

.home-advantages-stage {
    width: 1550px;
    max-width: 100%;
    height: 900px;
    position: relative;
    margin: 0 auto;
    padding-top: 40px;
}

.advantage-card {
    width: 390px;
    min-height: 116px;
    position: absolute;
    margin: 0;
    padding: 20px;
    text-align: left;
    color: #666;
    background: #fff;
    border: 1px solid #dedede;
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .02);
}

.advantage-card h3 {
    margin: 0 0 12px;
    color: #23b2aa;
    font-size: 26px;
    line-height: 1.25;
    font-weight: 700;
}

.advantage-card p {
    margin: 0;
    color: #565656;
    font-size: 14px;
    line-height: 25px;
}

.advantage-1 {
    top: 40px;
    left: 120px;
}

.advantage-2 {
    top: 52px;
    right: 150px;
}

.advantage-3 {
    top: 280px;
    left: 0;
}

.advantage-4 {
    top: 306px;
    right: 0;
}

.advantage-5 {
    top: 475px;
    left: 70px;
}

.advantage-6 {
    top: 475px;
    right: 75px;
}

.advantage-7 {
    top: 740px;
    left: 285px;
}

.advantage-8 {
    top: 740px;
    right: 315px;
}

.home-honors-banner {
    width: 100%;
    overflow: hidden;
    background: #1baaa5;
}

.home-honors-banner img {
    width: 100%;
    min-height: 182px;
    display: block;
    object-fit: cover;
    object-position: center;
}

.home-legacy-honors {
    padding: 112px 16px 120px;
    text-align: center;
    background: #fff;
}

.home-honors-title {
    width: 732px;
    max-width: 100%;
    margin: 0 auto 30px;
}

.home-honors-title img {
    display: block;
    width: 100%;
    height: auto;
}

.home-honors-frame {
    width: 1150px;
    max-width: 100%;
    margin: 0 auto;
    padding: 40px 24px;
    overflow: hidden;
    border: 1px solid #cfcfcf;
    background: #fff;
}

.home-honors-track {
    width: max-content;
    display: flex;
    gap: 0;
    align-items: start;
    animation: home-honors-scroll 30s linear infinite;
}

.home-honors-frame:hover .home-honors-track {
    animation-play-state: paused;
}

.home-honor-card {
    width: 110px;
    flex: 0 0 110px;
    display: block;
    color: #111;
    text-align: center;
    text-decoration: none;
}

.home-honor-card img {
    width: 110px;
    height: 81px;
    display: block;
    margin: 0 auto 4px;
    object-fit: cover;
}

.home-honor-card span {
    display: block;
    padding: 0 3px;
    font-size: 14px;
    line-height: 20px;
}

.home-honor-card:hover {
    color: #21aaa4;
}

@keyframes home-honors-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-330px);
    }
}

.honors-legacy-page {
    min-height: 700px;
    padding: 92px 16px 120px;
    text-align: center;
    background: #fff;
}

.honors-page-title {
    margin-bottom: 18px;
}

.honors-page-frame {
    padding-top: 40px;
    padding-bottom: 44px;
}

.honors-page-track {
    animation: none;
}

.home-legacy-reviews {
    scroll-margin-top: 120px;
    padding: 88px 16px 0;
    text-align: center;
    background: #fff;
}

.home-reviews-title {
    width: 732px;
    max-width: 100%;
    margin: 0 auto 36px;
}

.home-reviews-title img {
    display: block;
    width: 100%;
    height: auto;
}

.home-reviews-box {
    width: 1150px;
    max-width: 100%;
    height: 430px;
    position: relative;
    margin: 0 auto;
    padding: 36px 32px;
    overflow: hidden;
    text-align: left;
    border: 1px solid #cfcfcf;
    background: #fff;
}

.home-reviews-marquee {
    animation: home-reviews-scroll 24s linear infinite;
}

.home-reviews-box:hover .home-reviews-marquee {
    animation-play-state: paused;
}

.home-review-item {
    min-height: 132px;
    display: grid;
    grid-template-columns: 35px 1fr;
    gap: 12px;
    margin: 0;
    padding: 20px 0;
    border-bottom: 1px solid #eeeeee;
}

.home-review-avatar {
    width: 35px;
    height: 35px;
    display: block;
    object-fit: cover;
}

.home-review-main {
    min-width: 0;
}

.home-review-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: #607084;
    font-size: 14px;
}

.home-review-meta strong {
    color: #607084;
    font-weight: 400;
}

.home-review-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #111;
}

.home-review-meta img {
    width: 18px;
    height: 18px;
}

.home-review-main p {
    margin: 4px 0 6px;
    color: #111;
    font-size: 15px;
    line-height: 27px;
}

.home-review-main em {
    color: #999;
    font-style: normal;
    font-size: 13px;
}

.home-review-empty {
    margin: 150px 0 0;
    color: #999;
    text-align: center;
}

@keyframes home-reviews-scroll {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50%);
    }
}

.home-review-form {
    margin-top: 48px;
    padding: 36px 16px 50px;
    background: #f2f2f2;
    border-top: 1px solid #e5e5e5;
}

.home-review-fields {
    width: 850px;
    max-width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 110px;
    align-items: center;
    margin: 0 auto;
    text-align: left;
}

.home-review-fields label {
    display: grid;
    grid-template-columns: 88px 1fr;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 14px;
    font-weight: 700;
}

.home-review-fields input,
.home-review-fields textarea {
    width: 100%;
    min-height: 28px;
    padding: 4px 8px;
    font: inherit;
    border: 1px solid #c8c8c8;
    background: #fff;
    border-radius: 0;
}

.home-review-content {
    grid-column: 1 / -1;
}

.home-review-content textarea {
    min-height: 60px;
    resize: vertical;
}

.home-review-captcha {
    width: 300px;
}

.home-review-captcha b {
    color: #ff0000;
}

.home-captcha-image {
    width: 120px;
    min-height: 42px;
    padding: 0;
    overflow: hidden;
    cursor: pointer;
    background: transparent;
    border: 0;
}

.home-captcha-image img {
    width: 120px;
    height: 42px;
    display: block;
}

.home-review-fields small {
    margin-left: -94px;
    color: #111;
    font-size: 13px;
}

.home-review-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: -36px;
}

.home-review-actions button {
    width: 100px;
    min-height: 35px;
    color: #fff;
    border: 0;
    border-radius: 0;
    cursor: pointer;
}

.home-review-actions button[type="submit"] {
    background: #ff7300;
}

.home-review-actions button[type="reset"] {
    color: #111;
    background: #ddd;
}

.home-review-notice {
    grid-column: 1 / -1;
    padding: 10px 14px;
    text-align: center;
}

.home-review-notice.success {
    color: #16834a;
    background: #e8f7eb;
}

.home-review-notice.error {
    color: #a40000;
    background: #ffecec;
}

.home-news-list {
    display: grid;
    gap: 10px;
}

.home-news-list a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #eaeaea;
}

.home-news-list a:hover {
    color: #2ab1aa;
}

.content {
    width: 920px;
    max-width: 100%;
    margin: 0 auto;
    padding: 30px 0;
    background: #fff;
}

.content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 16px auto;
}

.page-title {
    padding: 54px 24px;
    text-align: center;
    background: #e7f3ea;
}

.section {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 42px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.list {
    display: grid;
    gap: 12px;
}

.list a {
    padding: 14px 16px;
    background: #ffffff;
    border: 1px solid #e2ebe4;
}

.list-image {
    width: auto;
    max-width: 160px;
    height: auto;
    margin-right: 12px;
    vertical-align: middle;
}

.site-footer {
    margin-top: 60px;
    padding: 26px 24px;
    text-align: center;
    color: #fff;
    background: #2b2b2b;
}

.site-footer a,
.site-footer p {
    color: #fff;
}

.mobile-call {
    display: none;
}

@media (max-width: 760px) {
    .legacy-top {
        height: auto;
    }

    .legacy-nav {
        height: auto;
    }

    .legacy-nav-inner {
        height: auto;
        flex-wrap: wrap;
    }

    .legacy-nav a {
        min-width: 33.33%;
    }

    .legacy-banner {
        height: 220px;
    }

    .legacy-carousel {
        height: 220px;
    }

    .legacy-banner img {
        width: 1030px;
    }

    .legacy-slide img {
        width: 1030px;
    }

    .home-overlay-inner {
        max-width: 92%;
        min-height: 84px;
        padding-top: 10px;
        align-items: center;
        flex-wrap: wrap;
    }

    .home-overlay-logo {
        width: 56%;
        max-width: 230px;
    }

    .home-overlay-nav {
        order: 3;
        width: 100%;
        flex: 1 0 100%;
        margin-left: 0;
        padding-top: 8px;
    }

    .home-overlay-nav a {
        font-size: 14px;
    }

    .home-overlay-phone {
        margin-left: auto;
        padding-top: 0;
        font-size: 16px;
    }

    .is-home .legacy-carousel {
        height: auto;
    }

    .is-home .legacy-slide img {
        width: 100%;
    }

    .legacy-main,
    .home-section,
    .home-product-band,
    .section {
        width: 100%;
        padding-right: 16px;
        padding-left: 16px;
    }

    .breadcrumb {
        height: auto;
        line-height: 1.8;
        padding: 14px 0;
    }

    .legacy-layout {
        grid-template-columns: 1fr;
    }

    .legacy-sidebar {
        width: 100%;
    }

    .legacy-case-grid,
    .home-case-grid,
    .service-grid,
    .home-product-grid,
    .grid {
        width: 100%;
        grid-template-columns: 1fr;
    }

    .legacy-case-card a {
        width: 100%;
    }

    .legacy-case-card img {
        width: 100%;
        height: auto;
        padding: 0;
    }

    .case-detail-gallery {
        grid-template-columns: 1fr;
    }

    .case-detail-gallery img {
        height: auto;
    }

    .legacy-case-card a::before,
    .legacy-case-intro {
        width: 100%;
        height: calc(100% - 45px);
        top: 0;
        left: 0;
    }

    .home-product-grid {
        padding: 0;
    }

    .home-promo-band {
        padding-right: 0;
        padding-left: 0;
    }

    .home-advantage-grid {
        grid-template-columns: 1fr;
        padding: 8px 16px 12px;
    }

    .home-advantage-item {
        min-height: 92px;
        padding-left: 96px;
        background-position: 14px 24px;
    }

    .home-brand-intro {
        padding: 40px 16px 42px;
    }

    .home-brand-images {
        margin-top: 12px;
        margin-bottom: 24px;
    }

    .home-brand-text {
        font-size: 14px;
        line-height: 1.9;
        text-align: left;
    }

    .home-air-pollution {
        padding: 42px 16px 44px;
    }

    .home-pollution-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .home-pollution-photo,
    .home-pollution-photo img {
        width: 100%;
        height: auto;
    }

    .home-pollution-photo p {
        min-height: 0;
        padding: 12px;
        font-size: 14px;
        line-height: 24px;
    }

    .home-testing-cta {
        min-height: 0;
        background-size: cover;
    }

    .home-testing-cta-inner {
        padding: 34px 16px;
    }

    .home-testing-cta h2 {
        font-size: 24px;
    }

    .home-testing-cta p {
        font-size: 16px;
    }

    .home-testing-actions {
        gap: 18px;
        flex-wrap: wrap;
    }

    .home-legacy-services {
        min-height: 0;
        padding: 44px 16px;
        background-size: cover;
    }

    .home-services-heading {
        margin-bottom: 28px;
    }

    .home-services-heading h2 {
        font-size: 30px;
    }

    .home-services-heading p {
        font-size: 15px;
    }

    .home-services-grid {
        width: 100%;
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .home-service-card {
        height: auto;
    }

    .home-service-card img {
        height: auto;
        aspect-ratio: 278 / 430;
    }

    .home-service-overlay {
        opacity: 1;
        transform: none;
        padding: 32px 20px 86px;
    }

    .home-service-overlay h3 {
        margin-bottom: 28px;
        font-size: 22px;
    }

    .home-service-overlay p {
        font-size: 15px;
        line-height: 26px;
    }

    .home-service-card strong {
        font-size: 24px;
    }

    .home-legacy-cases {
        width: 100%;
        padding: 48px 16px;
    }

    .home-cases-heading {
        margin-bottom: 26px;
    }

    .home-cases-heading em {
        top: -34px;
        font-size: 42px;
    }

    .home-cases-heading h2 {
        font-size: 30px;
    }

    .home-cases-heading p {
        font-size: 15px;
    }

    .home-case-filters {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 28px;
    }

    .case-filter {
        width: 100%;
        height: 44px;
        font-size: 16px;
    }

    .home-legacy-case-wall {
        width: 100%;
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .home-legacy-case-card a,
    .home-legacy-case-card img {
        height: auto;
    }

    .home-legacy-case-card img {
        aspect-ratio: 277 / 219;
    }

    .home-legacy-case-card div {
        opacity: 1;
        transform: none;
        padding: 28px 20px 72px;
    }

    .home-legacy-advantage-banner img {
        min-height: 86px;
    }

    .home-legacy-advantages {
        height: auto;
        padding: 250px 16px 42px;
        background-position: center 18px;
        background-size: 760px auto;
    }

    .home-advantages-stage {
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: 1fr;
        gap: 14px;
        padding-top: 0;
    }

    .advantage-card,
    .advantage-1,
    .advantage-2,
    .advantage-3,
    .advantage-4,
    .advantage-5,
    .advantage-6,
    .advantage-7,
    .advantage-8 {
        width: 100%;
        min-height: 0;
        position: static;
        padding: 18px;
    }

    .advantage-card h3 {
        font-size: 22px;
    }

    .advantage-card p {
        font-size: 14px;
        line-height: 24px;
    }

    .home-honors-banner img {
        min-height: 86px;
    }

    .home-legacy-honors {
        padding: 52px 16px 60px;
    }

    .home-honors-title {
        margin-bottom: 20px;
    }

    .home-honors-frame {
        padding: 22px 14px;
        overflow-x: auto;
    }

    .home-honors-track {
        width: max-content;
        min-width: 100%;
        justify-content: start;
        animation: none;
    }

    .home-honor-card span {
        font-size: 13px;
        line-height: 18px;
    }

    .honors-legacy-page {
        min-height: 0;
        padding: 52px 16px 62px;
    }

    .home-legacy-reviews {
        padding: 52px 16px 0;
    }

    .home-reviews-title {
        margin-bottom: 20px;
    }

    .home-reviews-box {
        height: 390px;
        padding: 20px 16px;
    }

    .home-review-item {
        min-height: 154px;
        padding: 16px 0;
    }

    .home-review-main p {
        font-size: 14px;
        line-height: 24px;
    }

    .home-review-form {
        margin-top: 34px;
        padding: 28px 16px 36px;
    }

    .home-review-fields {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .home-review-fields label,
    .home-review-captcha {
        width: 100%;
        grid-template-columns: 86px 1fr;
    }

    .home-captcha-image,
    .home-review-fields small,
    .home-review-actions {
        margin-left: 96px;
    }

    .home-review-actions {
        justify-content: flex-start;
        margin-top: 0;
    }

    .home-product-intro {
        inset: 0;
    }

    .mobile-call {
        position: fixed;
        right: 14px;
        bottom: 14px;
        left: 14px;
        display: flex;
        justify-content: center;
        padding: 12px 16px;
        color: #ffffff;
        background: #16834a;
        border-radius: 6px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    }
}