html, body { -webkit-text-size-adjust: none; }
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td, font { padding: 0; margin: 0; font-family: Microsoft YaHei, SimSun, Arial, Helvetica, sans-serif; }
table { border-collapse: collapse; border-spacing: 0; width: 100%; }
fieldset { border: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: normal; }
h1, h2, h3, h4, h5, h6, input, textarea, select, form, td, section { font-size: 100%; }
ol, ul, li, dl, dt, dd { list-style: none; }
article, aside, details, figcaption, figure, footer, header, hgroup, nav, section, menu { display: block; }
input[type="date"]:before { content: attr(placeholder); }
audio, canvas, video { display: inline-block; }
audio:not([controls]) { display: none; }
input, textarea, select, form, fieldset { vertical-align: top; }
img { vertical-align: top; border: 0; }
a { color: #666; text-decoration: none; -webkit-tap-highlight-color: rgba(0,0,0,0); }
a:link, a:visited { text-decoration: none; }
a:hover { text-decoration: underline; }
a, area { blr:expression(this.onFocus=this.blur());}
:focus { outline: none; }
.red, .red a { color: #F00; }
.left { float: left; }
.right { float: right; }
.autohei { overflow: hidden; zoom: 1; }
.clear { font-size: 0; line-height: 0; clear: both; overflow: hidden; zoom: 1; }
.blank { font-size:0; line-height:0; height: 20px; clear: both; overflow: hidden;}
.yahei, .yahei * { font-family: Microsoft YaHei; }
.songti, .songti * { font-family:SimSun; }
.img { text-align: center; overflow: hidden;}
.aaaaaa{}
body { font-size: 12px; background: #fff; }


/* 全局重置与盒模型 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 主容器：自适应宽度，最大宽度1000px，两侧留白 */
.kuang {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 顶部文字样式（原样保留） */
.gh_top {
    height: 45px;
    line-height: 45px;
    text-align: center;
    color: #333333;
    font-size: 18px;
}

/* 横幅区域：背景图自适应，高度可根据内容调整，移动端高度自动 */
.gh_banner {
    background: url(../images/gh_banner_bg.jpg) no-repeat center top;
    background-size: cover; /* 背景图覆盖整个区域，保持比例 */
    height: auto;
    min-height: 200px;
    overflow: hidden;
}
/* 大屏幕保持原始高度 */
@media (min-width: 992px) {
    .gh_banner {
        height: 467px;
    }
}

/* 主体背景 */
.main {
    background: #f3f3f3;
    overflow: hidden;
}


.gh_nav ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 30px 0 40px 0;
    list-style: none;
}
.gh_nav li {
 
    width: auto;
    flex: 0 0 calc(25% - 20px); 
    min-width: 180px; 
    height: 72px;
    background: #e1e1e1;
    text-align: center;
    line-height: 72px;
    color: #00002d;
    font-size: 28px;

}

.gh_nav li img {
    vertical-align: middle;
    width: 52px;
    max-width: 100%;
    height: auto;
}
.gh_nav li a {
    color: #00002d;
    text-decoration: none;
    display: block; 
}


.gh_bt {
    text-align: center;
    overflow: hidden;
    width: 100%;
    max-width: 670px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.gh_bt span {
    float: none;
    width: auto;
    color: #333333;
    font-size: 20px;
    margin-top: 7px;
    font-weight: 300;
    line-height: 1.4;
}
.gh_bt span font {
    color: #6b0405;
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}


.gh_bk2 {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 38px;
}

.gh_y {
    flex: 1;
    min-width: 260px;
}

.gh_diz {
    flex: 0 0 352px;
    background: #ffffff;
    border-top: 3px solid #6b0405;
    overflow: hidden;
    height: auto; /* 高度自适应 */
}

@media (max-width: 768px) {
    .gh_diz {
        flex: 1 1 100%;
    }
}


.gh_y2 {
    background: #ffffff;
    border-top: 3px solid #6b0405;
    overflow: hidden;
    padding: 46px 20px 10px 20px; /* 左右内边距调小，适应移动端 */
}

.gh_y2 p {
    overflow: hidden;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
/* 标签样式 */
.gh_y2 p label {
    width: 108px;
    height: 36px;
    line-height: 36px;
    color: #333333;
    font-size: 16px;
    display: inline-block;
    flex-shrink: 0;
}
.gh_y2 p label span {
    color: #ff0000;
    margin-right: 6px;
}
/* 输入框通用样式 */
.gh_y2 p .gh_text,
.gh_y2 p .gh_text1,
.gh_y2 p .gh_text2 {
    width: 270px;
    max-width: 100%;
    height: 36px;
    border: 1px solid #999999;
    box-sizing: border-box;
    line-height: 36px;
    font-size: 12px;
    padding: 0 8px;
    background-color: #fff;
    flex: 1;
}
.gh_y2 p .gh_text1 {
    background: url(../images/gh_text1.png) no-repeat right 8px center;
    background-size: 16px;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}
.gh_y2 p .gh_text2 {
    background: url(../images/gh_text2.png) no-repeat right 8px center;
    background-size: 16px;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}
/* 文本域样式 */
.gh_y2 p .gh_text3 {
    width: 100%;
    max-width: 388px;
    height: 100px;
    border: 1px solid #999999;
    box-sizing: border-box;
    line-height: 1.4;
    font-size: 12px;
    padding: 8px;
    background: none;
    resize: vertical;
}
/* 移动端标签和输入框堆叠显示 */
@media (max-width: 600px) {
    .gh_y2 p {
        flex-direction: column;
        align-items: flex-start;
    }
    .gh_y2 p label {
        margin-bottom: 8px;
    }
    .gh_y2 p .gh_text,
    .gh_y2 p .gh_text1,
    .gh_y2 p .gh_text2,
    .gh_y2 p .gh_text3 {
        width: 100%;
    }
}

/* 按钮区域 */
.tijbn {
    margin: 30px 0 38px 0;
    overflow: hidden;
    text-align: center;
}
.gh_tjp,
.gh_tjp2 {
    width: 108px;
    height: 32px;
    line-height: 32px;
    border-radius: 4px;
    border: none;
    color: #FFF;
    font-size: 14px;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    margin: 0 10px;
}
.gh_tjp {
    background: #6b0405;
}
.gh_tjp2 {
    background: #ef8510;
    text-decoration: none;
}

/* 右侧信息区域样式优化 */
.gh_diz h2 {
    color: #6b0405;
    font-size: 18px;
    border-bottom: 1px solid #e5e5e5;
    padding: 30px 0 18px 0;
    margin: 0 30px;
}
.gh_diz dl {
    padding: 20px 0 30px 40px;
}
.gh_diz dl dd {
    margin-bottom: 20px;
    word-break: break-word;
}
.gh_diz dl dd:nth-of-type(1) {
    background: url(../images/gh_pm01.png) no-repeat left center;
    padding-left: 24px;
    color: #666666;
    font-size: 14px;
    background-size: 18px;
}
.gh_diz dl dd:nth-of-type(2) {
    background: url(../images/gh_pm02.png) no-repeat left center;
    padding-left: 24px;
    font-size: 22px;
    color: #ff0017;
    background-size: 20px;
}
.gh_diz dl dd:nth-of-type(2) a {
    color: #ff0017;
    text-decoration: none;
}
.gh_diz h3 {
    padding: 45px 40px 50px;
    background: #f9f9f9;
    overflow: hidden;
    color: #666666;
    font-size: 14px;
    line-height: 24px;
}
.gh_diz h3 font {
    display: block;
    color: #333333;
    font-size: 18px;
    margin-bottom: 12px;
}

/* 底部区域自适应 */
.gh_footer {
    background: #dadada;
    overflow: hidden;
    height: auto;
    min-height: 150px;
    text-align: center;
    font-size: 16px;
    line-height: 1.6;
    padding: 30px 20px;
    color: #333333;
}

/* 中等屏幕调整 (768px - 992px) */
@media (max-width: 992px) {
    .gh_nav li {
        flex: 0 0 calc(50% - 20px); /* 一行两个 */
    }
}

/* 小屏幕调整 (小于600px) */
@media (max-width: 600px) {
    .gh_nav li {
        flex: 0 0 100%; /* 一行一个 */
    }
    .gh_bt span {
        font-size: 18px;
    }
    .gh_bt span font {
        font-size: 32px;
    }
    .gh_y2 {
        padding: 30px 15px 10px 15px;
    }
    .gh_diz h2 {
        margin: 0 20px;
    }
    .gh_diz dl {
        padding: 20px 0 30px 20px;
    }
    .gh_diz h3 {
        padding: 30px 20px;
    }
    .tijbn {
        margin: 20px 0 30px;
    }
    .gh_tjp, .gh_tjp2 {
        width: 100px;
        margin: 0 5px;
    }
}