* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

body {
    background: #f1f1f1;
    font-size: 14px;
    color: #333;
    font-family: "Microsoft Yahei", "PingFang SC", Arial, sans-serif;
}

.clear {
    clear: both;
}

img {
    max-width: 100%;
    display: block;
}

/* 导航菜单 */
.tmenu {
    background: #222;
    width: 100%;
    height: 45px;
    line-height: 45px;
}

.tmenubg {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.tmenulist {
    float: left;
    padding: 0 20px;
}

.tmenu_link {
    color: #fff;
    font-size: 15px;
    display: block;
}

.tmenu_link:hover {
    color: #f6b800;
}

/* 头部LOGO */
.header {
    width: 100%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.logo h1 {
    font-size: 28px;
    color: #222;
    font-weight: bold;
}

/* 轮播图 */
.banner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    background: #000;
    /* 电脑端高度 */
    height: 320px;
}

.banner-list {
    width: 300%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    transition: left 0.5s ease;
}

.banner-item {
    width: 33.3333%;
    height: 100%;
    float: left;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    margin: 0 5px;
    cursor: pointer;
}

.dot.active {
    background: #f6b800;
}

/* 主体区域 */
.middle {
    width: 100%;
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.lan_01 {
    background: #fff;
    padding: 25px;
    margin-bottom: 20px;
}

.lan_01 h2 {
    font-size: 20px;
    margin-bottom: 15px;
    border-left: 4px solid #f6b800;
    padding-left: 10px;
}

.lan_01 p {
    line-height: 28px;
    text-indent: 2em;
    margin-bottom: 10px;
}

/* 左侧栏目 */
.lan_left {
    width: 66%;
    float: left;
}

.lan_left_lbl {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
}

.lan_left_lbl h3 {
    font-size: 16px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.lan_02_list li {
    line-height: 30px;
    height: 30px;
    overflow: hidden;
}

.lan_02_list span {
    color: #999;
    margin-right: 10px;
}

.lan_02_list a {
    color: #333;
}

.lan_02_list a:hover {
    color: #f60;
}

/* 右侧栏目 */
.lan_right {
    width: 31%;
    float: right;
}

.lan_ztju {
    background: #fff;
    padding: 20px;
}

.lan_ztju h3 {
    font-size: 16px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.lan_ztju li {
    line-height: 30px;
}

.lan_ztju a {
    color: #333;
}

.lan_ztju a:hover {
    color: #f60;
}

/* 荣誉滚动 */
.hm_works {
    background: #fff;
    padding: 25px;
    margin: 20px 0;
}

.hm_works h2 {
    font-size: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #f6b800;
    padding-left: 10px;
}

.slide-box {
    width: 100%;
    overflow: hidden;
}

.slide-list {
    width: 2000px;
    position: relative;
}

.slide-item {
    float: left;
    width: 220px;
    height: 120px;
    line-height: 120px;
    text-align: center;
    border: 1px solid #eee;
    margin: 0 10px;
}

/* 联系我们 */
.contact {
    background: #fff;
    padding: 25px;
    margin: 20px 0;
}

.contact h2 {
    font-size: 20px;
    margin-bottom: 15px;
    border-left: 4px solid #f6b800;
    padding-left: 10px;
}

.contact p {
    line-height: 30px;
    font-size: 15px;
}

/* 底部 */
.footer {
    width: 100%;
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}

.footer p {
    line-height: 30px;
}

.footer a {
    color: #ccc;
}

.footer a:hover {
    color: #f6b800;
}

/* 手机端适配 */
@media screen and (max-width: 768px) {
    .logo h1 {
        font-size: 22px;
    }

    .tmenulist {
        padding: 0 12px;
    }

    .tmenu_link {
        font-size: 14px;
    }

    .banner {
        /* 手机端高度按比例显示 */
        height: 180px;
    }

    .lan_left,
    .lan_right {
        width: 100%;
        float: none;
    }

    .lan_right {
        margin-top: 20px;
    }

    .lan_01 p,
    .contact p {
        font-size: 14px;
        line-height: 26px;
    }

    .slide-item {
        width: 160px;
        height: 100px;
        line-height: 100px;
    }
}

/* 小屏手机 */
@media screen and (max-width: 480px) {
    .logo h1 {
        font-size: 18px;
    }

    .tmenu {
        height: auto;
        line-height: 40px;
    }

    .tmenulist {
        padding: 0 8px;
    }

    .tmenu_link {
        font-size: 13px;
    }

    .banner {
        height: 140px;
    }
}