.banner {
    position: relative;
    width: 100%;
    margin: 0 auto;
}

.banner>div {
    position: relative;
}

.banner>div>img {
    display: block;
    width: 100%;
}

.banner>div>div {
    position: absolute;
    left: 26%;
    top: 4.2vw;
    font-weight: bold;
    color: #FFFFFF;
    font-size: 48px;
    display: flex;
    align-items: center;
}

.banner>div>div>img {
    height: 72px;
    aspect-ratio: 1;
    margin-right: 8px;
}

.nav {
    z-index: 2;
}

@media (min-width: 850px) {
    .nav {
        position: relative;
        width: 100%;
        height: 50px;
        background-color: #A00004;
    }

    .nav .nav-content {
        height: 100%;
        display: flex;
        justify-content: space-between;
    }

    .nav-content {
        width: 1200px;
        height: auto;
        margin: 0 auto;
    }

    .nav .nav-content>li {
        position: relative;
        width: auto;
        transition: all 0.2s linear;
    }

    .nav .nav-content>li>a {
        display: block;
        position: relative;
        padding: 0 36px;
        height: 50px;
        font-weight: bold;
        font-size: 18px;
        color: #FFFFFF;
        line-height: 50px;
        letter-spacing: 2px;
    }

    .nav .nav-content>li>ul {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background: linear-gradient(180deg, #D7551D 0, #BD0401 200px);
    }

    .nav .nav-content>li>ul>a {
        width: 100%;
        display: block;
        text-align: center;
        height: 50px;
        font-weight: bold;
        font-size: 18px;
        color: #FFFFFF;
        line-height: 50px;
        letter-spacing: 2px;
        border-bottom: 1px solid #FFFFFF;
    }

    .nav .nav-content>li>ul>a:last-child {
        border-bottom: unset;
    }

    .nav .nav-content>li:hover {
        background: linear-gradient(180deg, #E06F26 0%, #D7551D 100%);
        transition: all 0.2s linear;
    }

    .nav .nav-content>li::after {
        content: "";
        position: absolute;
        width: 0;
        height: 4px;
        bottom: 0;
        left: 0;
        background-color: #FFFFFF;
    }

    .nav .nav-content>li:hover::after {
        width: 100%;
        transition: all 0.2s linear;
    }

    .nav .nav-content>li:hover>ul {
        max-height: 500px;
        transition: all 1s linear;
    }

    .wap-nav-btn {
        display: none;
    }

    .wap-nav-arrow {
        display: none;
    }
}

@media(min-width: 1050px) and (max-width:1249px) {
    .banner>div>div {
        font-size: 42px;
    }

    .banner>div>div>img {
        height: 63px;
    }

    .nav-content {
        width: 1000px;
    }
}

@media(min-width: 850px) and (max-width:1049px) {
    .banner>div>div {
        font-size: 36px;
    }

    .banner>div>div>img {
        height: 54px;
    }

    .nav-content {
        width: 800px;
    }

    .nav .nav-content>li>a {
        padding: 0 22px;
    }
}

@media (max-width: 849px) {
    .banner>div>div {
        font-size: 4vw;
    }

    .banner>div>div>img {
        height: 6vw;
    }

    .wap-nav-btn {
        position: fixed;
        display: block;
        height: 58px;
        width: 58px;
        top: 10px;
        right: 10px;
        z-index: 2;
        background-color: rgba(0, 0, 0, 0.7);
        border-radius: 16px;
        cursor: pointer;
    }

    .wap-nav-btn span {
        background: #fff;
        height: 2px;
        width: 25px;
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        display: inline-block;
    }

    .wap-nav-btn span::after,
    .wap-nav-btn span::before {
        content: "";
        position: absolute;
        width: 25px;
        height: 2px;
        left: 0;
        background: #fff;
        -webkit-transition: 0.35s;
        transition: 0.35s;
    }

    .wap-nav-btn span::after {
        top: -10px;
    }

    .wap-nav-btn span::before {
        bottom: -10px;
    }

    .wap-nav-btn.wap-nav-btn-close span {
        background-color: transparent;
    }

    .wap-nav-btn.wap-nav-btn-close span::after {
        -webkit-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
        transform: rotate(-45deg);
        top: 0;
    }

    .wap-nav-btn.wap-nav-btn-close span::before {
        -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        transform: rotate(45deg);
        top: 0;
    }

    .nav {
        display: none;
        position: fixed;
        width: 100vw;
        height: 100vh;
        top: 0;
        left: 0;
        background-color: rgba(0, 0, 0, 0.7);
        padding: 13.3vw 5.3vw;
        z-index: 2;
    }

    .nav .nav-content {
        width: 100%;
    }

    .nav .nav-content>li {
        position: relative;
        border-bottom: 1px solid #fff;
    }

    /* .nav .nav-content>li:last-child {
        border-bottom: unset;
    } */

    .nav .nav-content>li>a {
        display: block;
        width: 100%;
        color: #FFFFFF;
        font-size: 3.6vw;
        padding: 4vw 2.6vw;
    }

    .nav .nav-content>li>ul {
        width: 92%;
        max-height: 0;
        overflow: hidden;
        margin-left: 8%;
        transition: all .2s linear;
    }

    .nav .nav-content .nav-expand>ul {
        max-height: 300px;
        transition: all .2s linear;
    }

    .nav .nav-content .nav-expand>ul>a {
        transition: all .2s linear;
    }

    .nav .nav-content>li>ul>a {
        display: block;
        width: 100%;
        color: #FFFFFF;
        font-size: 3.6vw;
        padding: 3vw 2%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.7);
        transition: all .2s linear;
    }

    .nav .nav-content>li>ul>a:last-child {
        border-bottom: unset;
    }

    .wap-nav-arrow {
        position: absolute;
        top: 4.2vw;
        right: 0;
        width: 3.6vw;
        height: 3.6vw;
        color: #FFFFFF;
        font-size: 5.6vw;
        transform: rotate(90deg);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: all 0.2s linear;
    }

    .nav .nav-content .nav-expand .wap-nav-arrow {
        transform: rotate(270deg);
        transition: all 0.2s linear;
    }
}

.bottom-link {
    width: 100%;
    background: #F3F3F3;
    box-shadow: 0px -5px 10px 0px rgba(0, 0, 0, 0.1);
}

.bottom-link-title {
    width: 100%;
    font-weight: bold;
    font-size: 18px;
    color: #CA1528;
    text-align: left;
    padding: 25px 15px;
    border-bottom: 1px dashed #5B6D7D;
}

.bottom-link-content {
    width: 100%;
    padding: 12px 0;
    display: flex;
    flex-wrap: wrap;
}

.bottom-link-content>a {
    margin: 12px 15px;
    font-weight: bold;
    font-size: 16px;
    color: #333333;
}

.footer {
    width: 100%;
    background: #A00004;
    padding: 20px 0;
}

.footer-words {
    width: 100%;
    font-size: 16px;
    color: #FFFFFF;
    text-align: left;
    margin-bottom: 20px;
    line-height: 28px;
    padding: 0 15px;
}

.footer-words:last-child {
    margin-bottom: unset;
}

@media (max-width: 849px) {
    .bottom-link .nav-content {
        width: 100%;
        padding: 0 5.3vw;
    }

    .bottom-link-title {
        font-size: 3.2vw;
        padding: 3vw;
    }

    .bottom-link-content {
        padding: 1.5vw 0;
    }

    .bottom-link-content>a {
        margin: 1.5vw 2.8vw;
        font-size: 2.8vw;
    }

    .footer {
        padding: 1.5vw 0;
    }

    .footer .nav-content {
        width: 100%;
        padding: 0 5.3vw;
    }

    .footer-words {
        font-size: 2.6vw;
        color: #FFFFFF;
        text-align: left;
        margin-bottom: 1.5vw;
        line-height: 4vw;
        padding: 0 3vw;
    }
}