.banner {
    width: 100%;
    overflow: hidden
}

.banner .swiper {
    width: 100%;
    position: relative
}

.banner .swiper .swiper-slide {
    position: relative
}

.banner .swiper .swiper-slide .bg {
    overflow: hidden
}

.banner .swiper .swiper-slide .bg img {
    width: 100%;
    height: 100vh;
    display: block;
    object-fit: cover
}

.banner .swiper .swiper-slide .text {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    padding: 0 6.25vw
}

.banner .swiper .swiper-slide .text .t {
    color: #fff;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(1.04167vw)
}

.banner .swiper .swiper-slide .text a {
    margin-top: 2.60417vw;
    display: block;
    opacity: 0;
    transform: translateY(1.04167vw)
}

.banner .swiper .swiper-slide .text a img {
    display: block;
    width: 2.8125vw
}

.banner .swiper .swiper-slide.swiper-slide-active .text .t {
    opacity: 1;
    transform: translateY(0);
    transition: all 1s
}

.banner .swiper .swiper-slide.swiper-slide-active .text a {
    opacity: 1;
    transform: translateY(0);
    transition: all 1s;
    transition-delay: 0.2s
}

.banner .swiper .swiper-pagination {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5625vw;
    left: 0;
    padding: 0 6.25vw;
    bottom: 3.02083vw;
    z-index: 3
}

.banner .swiper .swiper-pagination .swiper-pagination-bullet {
    display: block;
    width: 100%;
    height: 2px;
    opacity: 1;
    background: rgba(255, 255, 255, 0.49);
    position: relative;
    transition: 0.6s;
    border-radius: 0
}

.banner .swiper .swiper-pagination .swiper-pagination-bullet::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 2px;
    background: #fff;
    transition: all 600ms
}

.banner .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active::before {
    animation: long 3s forwards linear
}

@keyframes long {
    to {
        width: 100%
    }
}

.container .title {
    text-align: center
}

.container .title .p1 {
    color: #333;
    font-weight: 500
}

.container .title .p2 {
    margin-top: .83333vw;
    color: #8D8D8D;
    animation-delay: 200ms
}

.container .sec1 {
    padding: 4.27083vw 0 8.07292vw 0
}

.container .sec1 .content {
    margin-top: 5vw;
    display: flex;
    gap: 2.65625vw
}

.container .sec1 .content .lbox .boxs .box {
    display: none;
    position: relative;
    overflow: hidden
}

.container .sec1 .content .lbox .boxs .box.on {
    display: block
}

.container .sec1 .content .lbox .boxs .box img {
    width: 62.5vw;
    height: 32.44792vw;
    display: block;
    object-fit: cover;
    transition: all 600ms
}

.container .sec1 .content .lbox .boxs .box .text {
    position: absolute;
    left: 6.25vw;
    bottom: 1.61458vw
}

.container .sec1 .content .lbox .boxs .box .text p {
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.7);
    padding: .83333vw;
    color: #333;
    font-weight: 500
}

.container .sec1 .content .lbox .boxs .box:hover img {
    transform: scale(1.05)
}

.container .sec1 .content .rbox {
    width: 28.64583vw;
    margin-top: 5.20833vw
}

.container .sec1 .content .rbox .list .item {
    margin-bottom: 3.33333vw;
    display: flex;
    gap: 1.25vw;
    cursor: pointer;
    align-items: center
}

.container .sec1 .content .rbox .list .item .icon {
    position: relative
}

.container .sec1 .content .rbox .list .item .icon img {
    width: 2.08333vw;
    transition: all 600ms
}

.container .sec1 .content .rbox .list .item .icon img:nth-child(1) {
    opacity: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0
}

.container .sec1 .content .rbox .list .item .pt {
    height: 2.5vw
}

.container .sec1 .content .rbox .list .item .pt p {
    font-size: 1.66667vw;
    color: #8D8D8D;
    transition: all 600ms
}

.container .sec1 .content .rbox .list .item.on .icon img:nth-child(1) {
    opacity: 1
}

.container .sec1 .content .rbox .list .item.on .icon img:nth-child(2) {
    opacity: 0
}

.container .sec1 .content .rbox .list .item.on .pt p {
    color: #059669;
    font-size: 1.875vw;
    transform: translateY(-.26042vw)
}

.container .sec1 .content .rbox .more {
    display: flex;
    align-items: center;
    gap: .78125vw
}

.container .sec1 .content .rbox .more p {
    color: #059669
}

.container .sec1 .content .rbox .more img {
    width: 1.25vw;
    display: block;
    transition: all 600ms
}

.container .sec1 .content .rbox .more:hover img {
    transform: translateX(.26042vw)
}

.container .sec2 {
    padding: 5.20833vw 6.25vw 7.29167vw 6.25vw;
    background: #F7F9FC;
}

.container .sec2 .title {
    text-align: center;
}

.container .sec2 .title .p1 {
    color: #0F172A;
    font-weight: 600;
}

.container .sec2 .title .p2 {
    color: #64748B;
    margin-top: 0.8vw;
    font-weight: 400;
}

.container .sec2 .content {
    margin-top: 3.2vw;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2vw;
}

.container .sec2 .content .item {
    width: 100%;
    border-radius: 16px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    position: relative;
    padding: 2.8vw 2.2vw 2.2vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 4px 20px rgba(6, 78, 59, 0.04);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    overflow: hidden;
}

.container .sec2 .content .item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: transparent;
    transition: all 0.4s ease;
}

.container .sec2 .content .item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 36px rgba(16, 185, 129, 0.14), 0 0 0 1px rgba(16, 185, 129, 0.25);
    border-color: rgba(16, 185, 129, 0.35);
}

.container .sec2 .content .item:hover::before {
    background: linear-gradient(90deg, #059669, #34D399);
}

.container .sec2 .content .item .card_tag {
    position: absolute;
    top: 1.2vw;
    right: 1.2vw;
    font-size: 0.72917vw;
    padding: 0.26vw 0.72917vw;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    font-weight: 500;
    line-height: 1.2;
}

.container .sec2 .content .item .icon {
    width: 5vw;
    height: 5vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ECFDF5;
    border-radius: 50%;
    margin-bottom: 1.5vw;
    transition: all 0.4s ease;
}

.container .sec2 .content .item .icon img {
    height: 3.2vw;
    width: auto;
    display: block;
    transition: all 0.4s ease;
}

.container .sec2 .content .item:hover .icon {
    background: #D1FAE5;
    transform: scale(1.08);
}

.container .sec2 .content .item .p1 {
    color: #1E293B;
    font-weight: 600;
    margin-bottom: 1.6vw;
    transition: color 0.3s ease;
}

.container .sec2 .content .item:hover .p1 {
    color: #059669;
}

.container .sec2 .content .item .des {
    color: #475569;
    display: flex;
    flex-direction: column;
    gap: 1vw;
    width: 100%;
    flex-grow: 1;
    text-align: left;
}

.container .sec2 .content .item .des p {
    position: relative;
    padding-left: 1.1vw;
    line-height: 1.55;
}

.container .sec2 .content .item .des p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.35vw;
    height: 0.35vw;
    border-radius: 50%;
    background: #10B981;
}

.container .sec2 .content .item .des strong {
    color: #0F172A;
    font-weight: 600;
}

.container .sec2 .content .item .des .highlight {
    color: #047857;
    background: #D1FAE5;
    padding: 0.08vw 0.38vw;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95em;
}

.container .sec2 .content .item .card_link {
    margin-top: 1.8vw;
    display: inline-flex;
    align-items: center;
    gap: 0.4vw;
    color: #059669;
    font-weight: 500;
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.container .sec2 .content .item .card_link svg {
    transition: transform 0.3s ease;
}

.container .sec2 .content .item:hover .card_link {
    opacity: 1;
    color: #047857;
}

.container .sec2 .content .item:hover .card_link svg {
    transform: translateX(4px);
}

.container .sec3 {
    background: linear-gradient(135deg, rgba(6, 44, 38, 0.88) 0%, rgba(13, 78, 66, 0.80) 45%, rgba(16, 110, 92, 0.70) 100%), url(../images/banner/overview-energy-green.jpg) no-repeat center center;
    background-size: cover;
    padding: 8vw 0 5.36458vw 6.25vw;
    overflow: hidden;
}

.container .sec3 .t {
    color: #FFF;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0, 20, 15, 0.35);
}

.container .sec3 .content {
    display: flex;
    justify-content: space-between;
}

.container .sec3 .content .lbox {
    width: 50.67708vw;
    margin-top: 1.5625vw;
}

.container .sec3 .content .lbox .des {
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.75;
    margin: 3.5vw 0 4.5vw 0;
    text-shadow: 0 1px 4px rgba(0, 20, 15, 0.3);
}

.container .sec3 .content .lbox a {
    display: inline-flex;
    align-items: center;
    gap: .78125vw;
    transition: all 0.3s ease;
}

.container .sec3 .content .lbox a p {
    color: #34D399;
    font-weight: 500;
}

.container .sec3 .content .lbox a svg {
    width: 1.25vw;
    display: block;
    transition: all 400ms;
}

.container .sec3 .content .lbox a:hover svg {
    transform: translateX(.4vw);
}

.container .sec3 .content .rbox .item {
    padding: 3.5vw 6.25vw;
    text-align: right;
    line-height: 1;
    position: relative;
}

.container .sec3 .content .rbox .item::before {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0) 0%, rgba(52, 211, 153, 0.2) 100%);
    transition: all 600ms;
}

.container .sec3 .content .rbox .item .p1 {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.2vw;
}

.container .sec3 .content .rbox .item .num {
    color: #FFF;
    font-weight: 900;
    text-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.container .sec3 .content .rbox .item:hover::before {
    width: 100%;
}

/* 合作伙伴 / 客户 logo 墙（替代原资讯区） */
.container .sec4_partners {
    padding: 5.20833vw 6.25vw 8.33333vw 6.25vw
}

.container .sec4_partners .partners_grid {
    margin-top: 2.91667vw;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25vw
}

.container .sec4_partners .partner_item {
    background: #F7F8F9;
    border: 1px solid #ECECEC;
    border-radius: 6px;
    padding: 2.08333vw 1.25vw;
    text-align: center;
    transition: all 400ms;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 7.29167vw
}

.container .sec4_partners .partner_item:hover {
    border-color: #10B981;
    background: #fff;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.12)
}

.container .sec4_partners .partner_item .pname {
    color: #333;
    font-weight: 500;
    font-size: 1.04167vw
}

.container .sec4_partners .partner_item .pdesc {
    margin-top: .625vw;
    color: #8D8D8D;
    font-size: .83333vw;
    line-height: 1.6
}

/* 客户真实 logo 接入后：加 .has-logo 类，把文字隐藏换成 img */
.container .sec4_partners .partner_item.has-logo .pname,
.container .sec4_partners .partner_item.has-logo .pdesc {
    display: none
}

.container .sec4_partners .partner_item.has-logo img {
    max-width: 70%;
    max-height: 3.64583vw;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: .75;
    transition: all 400ms
}

.container .sec4_partners .partner_item.has-logo:hover img {
    filter: grayscale(0);
    opacity: 1
}

@media (max-width: 768px) {
    .container .sec4_partners .partners_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2vw
    }
    .container .sec4_partners .partner_item {
        padding: 4vw 2vw;
        min-height: 16vw
    }
    .container .sec4_partners .partner_item .pname {
        font-size: 3.6vw
    }
    .container .sec4_partners .partner_item .pdesc {
        font-size: 2.8vw
    }
}

/* 重点产品 / 服务介绍 */
.container .sec5_products {
    padding: 5.20833vw 6.25vw 8.33333vw 6.25vw
}

.container .sec5_products .products_grid {
    margin-top: 2.91667vw;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25vw
}

.container .sec5_products .product_item {
    display: block;
    background: #F7F8F9;
    border: 1px solid #ECECEC;
    border-radius: 6px;
    padding: 2.08333vw 1.5625vw;
    text-align: left;
    color: #333;
    text-decoration: none;
    transition: all 400ms
}

.container .sec5_products .product_item:hover {
    border-color: #10B981;
    background: #fff;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.12)
}

.container .sec5_products .product_item .icon {
    font-size: 2.60417vw;
    line-height: 1;
    margin-bottom: 1.25vw
}

.container .sec5_products .product_item .pname {
    color: #333;
    font-weight: 500;
    font-size: 1.25vw
}

.container .sec5_products .product_item .pdesc {
    margin-top: .72917vw;
    color: #666;
    font-size: .83333vw;
    line-height: 1.75
}

@media (max-width: 768px) {
    .container .sec5_products .products_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2vw
    }
    .container .sec5_products .product_item {
        padding: 4vw 3vw
    }
    .container .sec5_products .product_item .icon {
        font-size: 6vw;
        margin-bottom: 2vw
    }
    .container .sec5_products .product_item .pname {
        font-size: 3.6vw
    }
    .container .sec5_products .product_item .pdesc {
        font-size: 2.8vw
    }
}

.container .sec5 {
    background: #F7F8F9;
    padding: 5.20833vw 0 6.25vw 0
}

.container .sec5 .t {
    color: #333;
    font-weight: 500;
    text-align: center;
    margin-bottom: 4.16667vw
}

.container .sec5 .logos {
    overflow: hidden
}

.container .sec5 .logos .flex {
    display: flex;
    gap: 1.66667vw 3.125vw;
    width: max-content;
    animation: goA 30s infinite linear
}

.container .sec5 .logos .flex:not(:last-child) {
    margin-bottom: 1.66667vw
}

.container .sec5 .logos .flex:nth-child(2) {
    animation-direction: reverse
}

@keyframes goA {
    100% {
        transform: translateX(-50%)
    }
}

.container .sec5 .logos .flex .logo_b {
    display: flex;
    gap: 3.125vw
}

.container .sec5 .logos .flex .logo_b .pic {
    border-radius: 4px;
    display: flex;
    width: 13.02083vw;
    height: 6.51042vw;
    justify-content: center;
    align-items: center;
    position: relative
}

.container .sec5 .logos .flex .logo_b .pic img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    transition: all 600ms
}

.container .sec6 {
    background: linear-gradient(135deg, rgba(6, 44, 38, 0.86) 0%, rgba(10, 72, 62, 0.78) 45%, rgba(13, 110, 92, 0.65) 100%), url(../images/banner/join-energy-green.jpg) no-repeat center center;
    background-size: cover;
    padding: 6.5vw 0 7.5vw 6.25vw;
}

.container .sec6 .p1 {
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 12px rgba(0, 30, 20, 0.4);
}

.container .sec6 .des {
    margin: 1.2vw 0 2.5vw 0;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
    font-weight: 400;
}

.container .sec6 a {
    border-radius: 6px;
    border: 1.5px solid rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    line-height: 2.2;
    padding: .41667vw 2.8vw;
    height: 3.5vw;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 300ms ease;
    color: white;
    font-weight: 500;
}

.container .sec6 a:hover {
    background: #10B981;
    border-color: #10B981;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

@keyframes img_go {
    100% {
        transform: translateX(-50%)
    }
}

@media screen and (max-width: 768px) {
    .banner {
        margin-top: 60px
    }

    .banner .swiper .swiper-slide .bg img {
        height: auto
    }

    .banner .swiper .swiper-slide .text {
        padding: 0 5%
    }

    .banner .swiper .swiper-slide .text .t {
        font-size: 24px;
        line-height: 1.5
    }

    .banner .swiper .swiper-slide .text a {
        margin-top: 25px
    }

    .banner .swiper .swiper-slide .text a img {
        width: 27px
    }

    .banner .swiper .swiper-pagination {
        bottom: 20px;
        gap: 15px;
        padding: 0 5%
    }

    .container .title .p1 {
        font-size: 20px
    }

    .container .title .p2 {
        margin-top: 8px;
        font-size: 16px
    }

    .container .sec1 {
        padding: 40px 0
    }

    .container .sec1 .content {
        margin-top: 30px;
        flex-direction: column;
        gap: 20px
    }

    .container .sec1 .content .lbox {
        width: 100%
    }

    .container .sec1 .content .lbox .boxs .box img {
        width: 100%;
        height: auto
    }

    .container .sec1 .content .lbox .boxs .box .text {
        position: static;
        margin: 10px 5%;
        font-size: 16px
    }

    .container .sec1 .content .rbox {
        width: 90%;
        margin: 0 auto
    }

    .container .sec1 .content .rbox .list .item {
        margin-bottom: 20px;
        gap: 12px
    }

    .container .sec1 .content .rbox .list .item .icon img {
        width: 40px
    }

    .container .sec1 .content .rbox .list .item .pt {
        height: 30px
    }

    .container .sec1 .content .rbox .list .item .pt p {
        font-size: 18px !important
    }

    .container .sec1 .content .rbox .list .item.on .pt p {
        transform: translate(5px, 0) scale(1.05)
    }

    .container .sec1 .content .rbox .more {
        gap: 12px
    }

    .container .sec1 .content .rbox .more img {
        width: 15px
    }

    .container .sec2 {
        padding: 40px 5%;
    }

    .container .sec2 .title .p2 {
        margin-top: 10px;
    }

    .container .sec2 .content {
        margin-top: 25px;
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .container .sec2 .content .item {
        padding: 28px 20px 22px;
        border-radius: 14px;
        min-height: auto;
    }

    .container .sec2 .content .item .card_tag {
        top: 12px;
        right: 12px;
        font-size: 12px;
        padding: 3px 10px;
    }

    .container .sec2 .content .item .icon {
        width: 54px;
        height: 54px;
        margin-bottom: 14px;
    }

    .container .sec2 .content .item .icon img {
        height: 32px;
    }

    .container .sec2 .content .item .p1 {
        margin-bottom: 14px;
    }

    .container .sec2 .content .item .des {
        gap: 10px;
    }

    .container .sec2 .content .item .des p {
        padding-left: 14px;
        font-size: 15px;
    }

    .container .sec2 .content .item .des p::before {
        width: 5px;
        height: 5px;
        top: 0.55em;
    }

    .container .sec2 .content .item .card_link {
        margin-top: 16px;
        font-size: 15px;
        gap: 6px;
    }

    .container .sec3 {
        padding: 40px 0
    }

    .container .sec3 .content {
        margin-top: 0;
        flex-direction: column
    }

    .container .sec3 .content .lbox {
        width: 100%;
        padding: 0 5%
    }

    .container .sec3 .content .lbox .des {
        margin: 15px 0 20px 0;
        font-size: 16px
    }

    .container .sec3 .content .lbox a {
        gap: 12px
    }

    .container .sec3 .content .lbox a svg {
        width: 15px
    }

    .container .sec3 .content .rbox {
        margin-top: 20px;
        display: grid;
        grid-template-columns: repeat(2, 1fr)
    }

    .container .sec3 .content .rbox .item {
        padding: 30px 10px;
        text-align: center
    }

    .container .sec3 .content .rbox .item .p1 {
        margin-bottom: 15px;
        font-size: 16px
    }

    .container .sec5 {
        padding: 40px 0 60px 0
    }

    .container .sec5 .t {
        margin-bottom: 20px;
        font-size: 20px
    }

    .container .sec5 .logos .flex {
        gap: 15px 20px
    }

    .container .sec5 .logos .flex:not(:last-child) {
        margin-bottom: 20px
    }

    .container .sec5 .logos .flex .logo_b {
        gap: 20px
    }

    .container .sec5 .logos .flex .logo_b .pic {
        width: 120px;
        height: 60px
    }

    .container .sec6 {
        padding: 50px 5% 70px 5%;
    }

    .container .sec6 .p1 {
        font-size: 20px;
    }

    .container .sec6 .des {
        margin: 14px 0 24px 0;
        font-size: 15px;
        line-height: 1.6;
    }

    .container .sec6 a {
        padding: 8px 32px;
        height: auto;
        font-size: 15px;
        border-radius: 6px;
    }
}