* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", sans-serif;
    background-color: #ffffff;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 24px;
}

.flex {
    display: flex;
}

.green .bg-dark {
    background: #0c4e46;
}

.green .bg-light {
    background: #f9fffd;
}

.green .alink {
    color: #eafaf7;
}

    .green .alink:hover {
        color: #ffdd88;
    }

.green .bg-btn {
    background: #e67e22;
}

    .green .bg-btn:hover {
        background: #cf711f;
    }

.green .bg-btn-light {
    background: #e1f6f2;
}

.green .banner {
    background: linear-gradient(105deg, #115e54 0%, #1f8a7c 100%);
    color: #dcfaf5;
}

.green .word-dark {
    color: #155e54;
}

.green .word-light {
    color: #d6f0eb;
}

.green .border {
    border-color: #d9eee8
}

    .green .border:hover {
        border-color: #38b2ac60;
    }

.green .bg-img {
    background: #edf7f4;
}

.green .fill-color {
    fill: #0c4e46
}

.green .grid-tag a:hover {
    color: #155e54;
    border-color: #38b2ac60;
    background: #f9fffd;
}

.blue .bg-dark {
    background: #024097;
}

.blue .bg-light {
    background: #f4f8fc;
}

.blue .alink {
    color: #eafaf7;
}

    .blue .alink:hover {
        color: #ffdd88;
    }

.blue .bg-btn {
    background: #e67e22;
}

    .blue .bg-btn:hover {
        background: #cf711f;
    }

.blue .bg-btn-light {
    background: #E8F3FF;
}

.blue .banner {
    background: linear-gradient(105deg, #044fb8 0%, #1677FF 100%);
    color: #dcfaf5;
}

.blue .word-dark {
    color: #1677FF;
}

.blue .word-light {
    color: #d6f0eb;
}

.blue .border {
    border-color: #1677FF
}

    .blue .border:hover {
        border-color: #165dff;
    }

.blue .bg-img {
    background: #E8F3FF;
}

.blue .fill-color {
    fill: #E8F3FF
}

.blue .grid-tag a:hover {
    color: #2563eb;
    border-color: #93c5fd;
    background: #eff6ff;
}


.orange .bg-dark {
    background: #e26308;
}

.orange .bg-light {
    background: #fffbf0;
}

.orange .alink {
    color: #eee;
}

    .orange .alink:hover {
        color: #fff;
    }

.orange .bg-btn {
    background: #1677FF;
}

    .orange .bg-btn:hover {
        background: #024097;
    }

.orange .bg-btn-light {
    background: #fff2cc;
}

.orange .banner {
    background: linear-gradient(105deg, #fa8633 0%, #f67315 100%);
    color: #fff;
}

.orange .word-dark {
    color: #e26308;
}

.orange .word-light {
    color: #fff;
}

.orange .border {
    border-color: #fffbf0
}

    .orange .border:hover {
        border-color: #e26308;
    }

.orange .bg-img {
    background: #fffbf0;
}

.orange .fill-color {
    fill: #e26308
}

.orange .grid-tag a:hover {
    color: #e26308;
    border-color: #e26308;
    background: #fffbf0;
}

.topline {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #f1f1f1;
    border-bottom: 1px #ddd solid;
    padding: 5px;
    font-size: 12px;
}

    .topline a {
        color: #000;
    }


.navbar {
    position: sticky;
    top: 29px;
    z-index: 1000;
    padding: 16px 0;
    box-shadow: 0 6px 18px rgba(0, 32, 32, 0.12);
}

.nav-container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.2px;
    margin-bottom: 0;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
}

    .nav-links a {
        text-decoration: none;
        font-weight: 500;
        transition: 0.2s;
    }

.phone-nav {
    padding: 8px 20px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: white;
    text-decoration: none;
    transition: 0.2s;
}

    .phone-nav i {
        font-size: 1rem;
    }

    .phone-nav:hover {
        transform: translateY(-2px);
    }

    .phone-nav .icon {
        width: 16px;
        height: 16px;
        fill: #fff;
    }

.banner {
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    font-size: 1.25rem;
}

    .banner::before {
        content: "";
        position: absolute;
        top: -40%;
        left: -20%;
        width: 140%;
        height: 160%;
        background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 245, 0.12) 2%, transparent 2.5%);
        background-size: 55px 55px;
        pointer-events: none;
    }

.about {
    padding-top: 70px;
    padding-bottom: 70px;
}

.about-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
}

.about-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    text-align: left;
}

.about-text {
    flex: 1.2;
}

    .about-text p {
        margin-bottom: 20px;
        line-height: 1.65;
    }

.about-image {
    flex: 0.9;
    text-align: center;
}

    .about-image img {
        width: 100%;
        max-width: 600px;
        height: auto;
        border-radius: 32px;
        box-shadow: 0 20px 30px -8px rgba(0, 0, 0, 0.18);
        transition: transform 0.3s;
    }

        .about-image img:hover {
            transform: scale(1.01);
        }

.about-inline {
    padding: 16px 24px;
    border-radius: 60px;
    display: flex;
    flex-direction: row;
    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
    font-weight: 500;
}

    .about-inline .icon {
        width: 14px;
        height: 14px;
    }

.products {
    padding-top: 70px;
    padding-bottom: 70px;
}

.products-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 32px;
}

.product-card {
    cursor: pointer;
    background: white;
    border-radius: 32px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.85, 0.4, 1);
    box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.08);
    border-width: 1px;
    border-style: solid;
}

    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 24px 36px -12px rgba(0, 0, 0, 0.15);
    }

.product-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.product-info {
    padding: 18px 12px;
    text-align: center;
}

    .product-info h4 {
        font-size: 1.05rem;
        font-weight: 600;
    }

.advantages {
    padding-top: 70px;
    padding-bottom: 70px;
}

.advantages-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 24px;
}

.advantages-item {
    border-radius: 32px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.2s;
    border-width: 1px;
    border-style: solid;
}

    .advantages-item:hover {
        transform: translateY(-8px);
        box-shadow: 0 24px 36px -12px rgba(0, 0, 0, 0.15);
    }

    .advantages-item h4 {
        font-size: 1.4rem;
        margin-bottom: 14px;
        font-weight: 700;
    }

.contact {
    padding-top: 70px;
    padding-bottom: 70px;
}

.contact-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.contact-des {
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
}

.biaoqian {
    padding-top: 70px;
    padding-bottom: 70px;
}

.grid-tag {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

    .grid-tag a {
        display: block;
        padding: 8px 10px;
        color: #4a5568;
        text-decoration: none;
        font-size: 14px;
        background: #fff;
        border: 1px solid #e2e8f0;
        border-radius: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        transition: color 0.2s, border-color 0.2s, background 0.2s;
    }

@media (max-width: 991px) {
    .grid-tag {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 575px) {
    .grid-tag {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px 6px;
    }

        .grid-tag a {
            font-size: 11px;
            padding: 4px 6px;
        }
}

.footer {
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: center;
}

    .footer .copyright {
        font-size: 0.8rem;
    }

        .footer .copyright p {
            margin: 10px 0;
        }

.float-phone {
    position: fixed;
    bottom: 26px;
    right: 26px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
    z-index: 1100;
    transition: 0.2s;
    text-decoration: none;
    color: white;
    font-size: 28px;
}

    .float-phone:hover {
        transform: scale(1.05);
    }

    .float-phone .icon {
        width: 24px;
        height: 24px;
        fill: #fff;
    }

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 14px;
    }

    .nav-links {
        justify-content: center;
        gap: 10px;
    }

    .about-grid {
        flex-direction: column-reverse;
    }

    .product-grid {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .phone-nav {
        padding: 8px 12px;
    }

    .banner {
        padding-top: 140px;
    }
}

.flex-heng {
    display: flex;
    flex-direction: row;
}

.flex-grow-1 {
    flex-grow: 1;
}

.layout-bigImg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.75);
    display: none;
}

.layout-bigImg-flex {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.flexImgContent {
    background: #fff;
    padding: 20px;
    width: 80%;
    max-width: 800px;
    position: relative;
    transform: scale(0.5);
    opacity: 0;
    transition: all 0.4s;
}

    .flexImgContent img {
        max-width: 100%;
    }

.flexImgClose {
    position: absolute;
    transition: 0.2s;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    line-height: 32px;
    font-size: 20px;
    text-align: center;
    border-radius: 50%;
    cursor: pointer;
    color: #fff;
}

.layout-bigImg.atc .flexImgContent {
    transform: scale(1);
    opacity: 1;
}