/* ============================================================
   手机站兼容样式（仅新增，不改动 style.css 原有规则）
   断点：max-width 768px 生效，PC 端完全不受影响
   ============================================================ */

/* ---------- 汉堡按钮 + 遮罩（PC 端隐藏） ---------- */
.nav-btn {
    display: none;
    position: fixed;
    top: 10px;
    right: 15px;
    z-index: 6000;
    width: 40px;
    height: 40px;
    cursor: pointer;
}

.nav-btn span,
.nav-btn span::before,
.nav-btn span::after {
    content: '';
    position: absolute;
    left: 8px;
    right: 8px;
    height: 2px;
    border-radius: 2px;
    background: #333;
    transition: all 0.3s;
}

.nav-btn span {
    top: 19px;
}

.nav-btn span::before {
    top: -7px;
}

.nav-btn span::after {
    top: 7px;
}

.nav-open .nav-btn span {
    background: transparent;
}

.nav-open .nav-btn span::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-open .nav-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}

.nav-mask {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 4000;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.nav-open .nav-mask {
    opacity: 1;
    visibility: visible;
}

/* ---------- 手机端 ---------- */
@media screen and (max-width: 768px) {

    html,
    body {
        min-width: 0;
    }

    body.nav-open {
        overflow: hidden;
    }

    img {
        max-width: 100%;
    }

    /* 头部：白底窄条，层级高于遮罩，保证按钮和抽屉可点 */
    .header {
        height: 60px;
        background: #fff;
        box-shadow: 0 0 13px rgba(0, 0, 0, 0.1);
        z-index: 5000;
    }

    .header-con {
        height: 60px;
    }

    .header .logo {
        float: left;
        margin: 13px 0;
        position: static;
    }

    .header .logo img {
        display: none;
        height: 34px;
    }

    .header .logo img.logoon {
        display: block;
    }

    /* 汉堡按钮：fixed 定位在 header 右上角，脱离祖先层叠上下文 */
    .nav-btn {
        display: block;
    }

    .xh_position_consten {
        padding: 0px 10px;
    }
    /* 导航抽屉：右侧滑入/滑出（位于 header 内，层级自然高于遮罩） */
    .navbar {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        float: none;
        width: 60%;
        max-width: 300px;
        margin: 0;
        padding: 70px 0 20px;
        background: #fff;
        z-index: 5500;
        overflow-y: auto;
        box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        transition: transform 0.3s;
    }

    .nav-open .navbar {
        transform: translateX(0);
    }

    .navitem {
        float: none;
        padding: 0;
    }

    .navitem>a {
        display: block;
        padding: 14px 30px;
        color: #333;
    }

    .navitem>a::before {
        display: none;
    }

    .header .navitem>a.active {
        color: #04ce96;
    }

    /* 首页 banner */
    .home-pcbanner {
        min-width: 100%;
        height: 280px;
        object-fit: cover;
    }

    .banner-font {
        width: 100%;
        padding: 0 20px;
    }

    .banner-cont h3 {
        margin-top: 10px;
        font-size: 26px;
        line-height: 36px;
        letter-spacing: 2px;
    }

    .banner-cont h4 {
        font-size: 16px;
        line-height: 30px;
    }

    .banner-cont p {
        margin-top: 10px;
        margin-bottom: 15px;
        font-size: 13px;
        line-height: 22px;
        display: none;
    }

    .banner-cont h4.red {
        margin-top: 8px;
    }

    .ino-morea {
        height: 28px;
        line-height: 28px;
        padding: 0 10px;
        margin-right: 10px;
        font-size: 13px;
    }

    .home-banner h2 {
        font-size: 28px;
    }

    /* 区块与栅格 */
    .wrapper {
        width: 100%;
        padding: 0 15px;
    }

    .content {
        padding: 40px 0;
    }

    .index-two {
        padding: 40px 0;
    }

    .index-tit em {
        font-size: 24px;
    }

    .content-bg {
        width: 100%;
        border-radius: 20px;
    }

    .company-img-frime {
        display: block;
    }

    .introduce-wrap h5 {
        font-size: 26px;
    }

    .about-lef {
        padding-right: 0;
    }

    .about-contBox .gs_img {
        margin-top: 20px;
        margin-bottom: 0;
    }

    .about-contBox {
        flex-direction: column;
    }

    .cpjs-nyul .cpjs-li .cpjs-xs {
        margin: 0;
    }

    .company-img-frime .img {
        width: 100%;
        margin-left: 0;
        margin-top: 20px;
    }

    .int-ul li {
        width: 50%;
        margin-bottom: 20px;
    }

    .int-ul li span {
        font-size: 32px;
    }

    .ruanjian_box {
        margin-bottom: 40px;
    }

    .lianxi {
        width: 100%;
        float: none;
        padding-right: 0;
    }

    .lianxi .zs2 {
        font-size: 24px;
        flex-wrap: wrap;
    }

    .lianxi .wz2 {
        font-size: 18px;
    }

    .ruanjian_box .to {
        display: none;
    }

    .gsjj {
        width: 100%;
        float: none;
        margin-top: 20px;
    }

    .gsjj img {
        width: 100%;
        height: auto;
    }

    .ul_marking {
        margin: 20px 0 0;
    }

    .ul_marking li {
        width: 100%;
        padding: 10px 0;
    }

    .cpjs-ul {
        margin: 30px 0 0;
    }

    .cpjs-li {
        width: 100%;
    }

    .cpjs-img {
        margin: 10px 0;
        height: auto;
        flex-direction: column;
    }

    .cpjs-img img {
        width: 100%;
        height: auto;
    }

    .cpjs-text {
        height: auto;
        padding: 20px;
    }

    .cpjs-litwo p {
        height: auto;
    }

    .cpjs-nyul .cpjs-li {
        width: 100%;
    }

    .cpjs-nyul .cpjs-li .cpjs-xs img {
        height: auto;
    }

    .about-text {
        display: block;
    }

    .about-text .text-box {
        margin-right: 0;
    }

    .yuye_img {
        width: 100%;
        margin-top: 20px;
    }

    .about-text .title-text {
        font-size: 26px;
    }

    .post-content {
        display: block;
    }

    .post-content .tab-ul {
        width: 100%;
        height: auto;
        padding: 10px 0;
    }

    .post-content .tab-ul li {
        display: inline-block;
        padding: 10px 12px;
        margin: 0;
    }

    .post-home-cont {
        width: 100%;
        margin-left: 0;
        height: auto;
    }

    .post-home {
        width: 50%;
        margin-bottom: 20px;
    }

    .ino-con {
        height: auto;
    }

    .col-li {
        width: 100%;
        margin: 0 0 20px;
    }

    .advantage_ul .advantage_li {
        width: 100%;
        margin: 15px 0;
    }

    .youshi-ul {
        flex-wrap: wrap;
    }

    .youshi-ul li {
        flex: 0 0 50%;
        margin-bottom: 20px;
    }

    .hxnl-ul li {
        width: 50%;
        margin-bottom: 20px;
    }

    .lxwm-xxul {
        flex-wrap: wrap;
    }

    .lxwm-xxul .lxwm-xxli {
        width: 48%;
        margin-bottom: 15px;
    }

    .tongdian-box ul {
        flex-wrap: wrap;
    }

    /* 底部 */
    .ftd-cont {
        display: block;
    }

    .foot-block {
        display: block;
    }

    .foot-one {
        padding-right: 0;
    }

    .foot-copy span,
    .foot-copy a {
        word-break: break-all;
    }

    .footer .foot-cont {
        padding: 20px 20px 10px;
    }
}