body {
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}
body, li, td, div {
    font-family: "微软雅黑", verdana, arial, sans-serif;
}
a {
    color: #222;
    text-decoration: none;
}
a:hover {
    color: #fd5825;
    text-decoration: underline;
}

.width_m {
    position: relative;
    width: 100%;
    max-width: 640px;
    min-width: 320px;
    margin: 0 auto;
}

img {
    border: none;
}
li {
    list-style: disc;
}
.logo_bg {
    background: #d10806;
    height: 36px;
    text-align: center;
    padding: 7px 0 0 0;
    margin: 0;
}
.logo_bg font {
    position: absolute;
    left: 12px;
    margin: 2px 0 0 0;
}
.logo_bg span {
    position: absolute;
    right: 12px;
    margin: 4px 0 0 0;
}
.foot {
    background: #fff;
    padding: 10px 0 2px 0;
    margin: 10px 0 0 0;
    border-top: 1px solid #e7e7e7;
}

.largefont {
    color: #ccc;
    text-align: center;
    font-size: 12px;
}
.largefont a {
    color: #777;
    text-decoration: none;
}
.largefont a:hover {
    color: #fd5825;
    text-decoration: none;
}
#copyright {
    text-align: center;
    font-size: 10px;
    color: #aaa;
    padding: 5px 0 12px 0;
    line-height: 16px;
}
#copyright a {
    color: #aaa;
    text-decoration: none;
}
.post {
    border: 0 solid silver;
    font-size: 11px;
    color: #999;
    padding: 0 0 8px 0;
    margin-bottom: 18px;
    border-bottom: 1px solid #f4f4f4;
    line-height: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.post a,
.post span {
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    line-height: 12px;
    color: #ccc;
}
.post a {
    color: #999;
    text-decoration: none;
}
.post span {
    float: right;
}
.post span a {
    color: #999;
    text-decoration: none;
}
.post em {
    float: right;
    font-style: normal;
    font-family: Tahoma, Verdana, Lucida, Arial;
    margin: 0;
}
.view_width {
    padding: 0 15px 0 15px;
    background: #fff;
    border-bottom: 1px solid #e7e7e7;
}
.view_title {
    color: #333;
    text-align: left;
    font-size: 24px;
    padding: 12px 0 10px 0;
    line-height: 32px;
    font-weight: bold;
    font-family: "微软雅黑";
    text-shadow: 0 0 #000;
}
.view_content {
    padding: 0;
    margin: 0;
    font-size: 15px;
    font-family: Roboto, Microsoft YaHei, sans-serif;
    color: #111;
    line-height: 27px;
    border-bottom: 0 solid #eee;
    padding-bottom: 5px;
}
.view_content p {
    margin: 10px 0 5px 0;
}
.view_content a {
    color: #ac3a3a;
    text-decoration: underline;
}
.view_content a:hover {
    color: #fd5825;
    text-decoration: underline;
}
.view_content img {
    max-width: 100%;
    width: expression((this.offsetWidth > 100%)? (this.width = 100% + 'px') : true);
    padding: 0;
    margin: 0px 0 0 0;
    border-radius: 5px;
}

.view_content_kf_video {
    text-align: center;
    background: #fff7f4;
    border-radius: 5px;
    padding: 7px 0 8px 0;
}
.view_content_kf_video a {
    font-size: 14px;
    color: #f30;
    text-decoration: none;
}
.view_content_kf_video a:hover {
    color: #fd5825;
    text-decoration: none;
}
.view_content_kf_video img {
    width: 13px;
    height: 13px;
    margin-bottom: -1px;
    margin-right: 5px;
}

.view_content_t {
    padding: 0;
    margin: 0;
    font-size: 17px;
    color: #333;
    line-height: 29px;
    border-bottom: 0 solid #eee;
}
.view_content_t p {
    margin: 0;
}
.view_content_t a {
    font-size: 17px;
    color: #ac3a3a;
    text-decoration: underline;
}
.view_content_t a:hover {
    color: #fd5825;
    text-decoration: underline;
}
.view_content_t img {
    max-width: 100%;
    width: expression((this.offsetWidth > 100%)? (this.width = 100% + 'px') : true);
    padding: 0;
    display: block;
}
.view_content_t video {
    width: 100%;
    background: #000;
    display: block;
    display: inline;
}
#index_hot {
    border-top: 0 solid #f1f1f1;
    padding: 0 13px 0 13px;
    background: #fff;
    margin: 10px 0 0 0;
}

.hot_list {
    margin: 0;
    padding: 0;
    word-wrap: break-word;
    overflow: hidden;
}
.hot_list dt {
    margin-top: 15px;
    border-bottom: 1px solid #f5f5f5;
    padding-bottom: 15px;
    overflow: hidden;
}
.hot_list dt img {
    float: left;
    width: 120px;
    max-width: 50%;
    height: 72px;
    object-fit: cover;
    border-radius: 5px;
    margin-right: 10px;
    padding: 0;
}
.hot_list b {
    font-weight: normal;
    line-height: 22px;
    font-size: 15px;
    display: block;
    overflow: hidden;
}

.hot_list b a {
    color: #333;
	display: -webkit-box;
    -webkit-line-clamp: 2;   /* 固定只显示 2 行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 22px;
}
.hot_list a {
    color: #444;
}
.hot_list a:hover {
    color: #fd5825;
    text-decoration: underline;
}
.hot_list div {
    color: #ccc;
    line-height: 20px;
    font-size: 11px;
    margin-top: 6px;
}
.hot_list div a {
    color: #aaa;
}

.view_width_zt {
    padding: 0;
    margin: 0;
    background: #fff;
    border-bottom: 1px solid #f2f2f2;
}
.view_width_t {
    padding: 0 13px 0 13px;
    margin: 12px 0 10px 0;
    background: #fff;
    border-top: 1px solid #e7e7e7;
    border-bottom: 1px solid #e7e7e7;
}
.view_t {
    font-size: 17px;
    color: #333;
    line-height: 25px;
    border-bottom: 0px solid #f2f2f2;
    padding: 8px 0;
    margin: 0; /* 这一行去掉 h2 自带的间距，恢复原来的样子！ */
}
.view_t span {
    float: right;
    font-size: 14px;
    line-height: 25px;
}
.view_t a {
    color: #777;
}
.view_t a:hover {
    color: #fd5825;
}
.view_t_list {
    margin: 0;
    padding: 0;
    word-wrap: break-word;
    overflow: hidden;
}
.view_t_list dt {
    padding-top: 15px;
    border-top: 1px solid #f2f2f2;
    padding-bottom: 15px;
    overflow: hidden;
}
.view_t_list b {
    font-weight: normal;
    line-height: 22px;
    font-size: 15px;
    display: block;
    overflow: hidden;
}
.view_t_list b a {
    color: #333;
	display: -webkit-box;
    -webkit-line-clamp: 2;   /* 固定只显示 2 行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 22px;
}
.view_t_list a {
    color: #555;
}
.view_t_list a:hover {
    color: #fd5825;
    text-decoration: none;
}
.view_t_list div {
    color: #aaa;
    line-height: 20px;
    font-size: 11px;
    margin-top: 4px;
}
.view_t_list div a {
    color: #a5a5a5;
	line-height: 20px;
}
.view_t_list div a:hover {
    color: #fd5825;
	text-decoration: none;
}

.view_t_list img {
    float: left;
    width: 120px;
    max-width: 50%;
    height: 72px;
    object-fit: cover;
    border-radius: 5px;
    margin-right: 10px;
    padding: 0;
}

.text_l {
    font-size: 11px;
    color: #aaa;
    line-height: 24px;
}

.index_title {
    font-size: 17px;
    line-height: 25px;
    color: #333;
    margin: 0;
}

.index_pic {
    font-size: 14px;
    color: #000;
    line-height: 25px;
    margin-left: 3.5%;
    margin-right: 3.5%;
    border-top: 0px solid #f2f2f2;
    margin-bottom: 10px;
    margin-top: 2px;
    padding: 0px 0px 0px 0px;
    background: #fff;
    text-align: justify;
    text-justify: inter-ideograph;
}
.index_pic img {
    border-radius: 5px;
    max-width: 100%;
    height: auto;
}
.index_pic dt div {
    width: 100%;
    padding: 0px 0px 5px 0px;
    margin-bottom: 10px;
    color: #777;
    font-size: 15px;
    line-height: 22px;
}
.index_pic dt span {
    float: right;
    font-size: 14px;
    line-height: 25px;
}
.index_pic a {
    color: #333;
}
.index_pic a:hover {
    color: #fd5825;
}

.index_hot_i {
    border-top: 1px solid #e7e7e7;
    border-bottom: 1px solid #e7e7e7;
    padding: 10px 0 8px 0;
    background: #fff;
    margin: 12px 0 0 0;
}
.index_t {
    margin-left: 3.5%;
    margin-right: 3.5%;
    border-top: 0 solid #f2f2f2;
    margin-bottom: 10px;
    margin-top: 2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.index_t font {
    font-size: 16px;
    line-height: 25px;
    color: #333;
}
.index_t font img {
    height: 16px;
    width: 6px;
    margin-right: 3px;
    margin-bottom: -1.9px;
    border-radius: 1px;
}
.index_t a {
    color: #bfbfbf;
}
.index_t a:hover {
    color: #fd5825;
}

.index_list {
    margin-right: 0.3%;
    word-wrap: break-word;
    overflow: hidden;
}

.index_list dt {
    width: 44.9%;
    float: left;
    display: inline;
    background: #fff;
    margin-left: 3.5%;
    margin-top: 1px;
    margin-bottom: 5px;
}

/* 图片样式不变 */
.index_list dt em img {
    border: 0 solid #f2f2f2;
    padding-bottom: 3px;
    margin-bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    display: block;
}

/* 统一链接样式：文字颜色、字号 */
.index_list dt a {
    font-size: 12px;
    color: #333;
    text-decoration: none;
}

/* 文字 hover 变色（只有文字变） */
.index_list dt a:hover {
    color: #f00;
}

/* 图片 hover 不闪烁、不变色 */
.index_list dt a img {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
}

.index_list dt div {
    width: 100%;
    padding: 0;
    margin: 3px 0 4px 0;
    color: #333;
    font-size: 14px;
    line-height: 20px;
}

.index_title_r {
    float: right;
    font-size: 12px;
    line-height: 25px;
    color: #777;
}
.text_l a {
    font-size: 12px;
    color: #777;
    line-height: 14px;
}
.text_l a:hover {
    color: #fd5825;
}
.text_r {
    float: right;
    font-size: 11px;
    color: #aaa;
    line-height: 24px;
}

.text_h a {
    font-size: 12px;
    color: #fd5825;
    line-height: 14px;
}
.text_h a:hover {
    color: #fd5825;
}

.m10 {
    margin: 10px;
}
.nopic {
    float: left;
    border: 0 solid #C1E7AA;
    margin: 0 12px 0 0;
}
.dis {
    display: none;
}

.List_page {
    text-align: center;
    margin: 0 0 12px 0;
    padding: 15px 0 20px 0;
    border-bottom: 0 solid #eee;
    background: #fff;
}
.List_page a {
    background: #fff;
    margin: 4px;
    padding: 5px 8px;
    border: 1px solid #ccc;
    font-size: 14px;
    color: #333;
    display: inline-block;
}
.List_page a:hover {
    background: #d50606;
    color: #fff;
    text-decoration: none;
    border: 1px solid #d50606;
}
.List_page span {
    background: #d50606;
    color: #fff;
    margin: 4px;
    padding: 5px 8px;
    border: 1px solid #d50606;
    font-size: 14px;
    display: inline-block;
}
.view_page {
    text-align: center;
    padding: 15px 0 15px 0;
    font-size: 10px;
}
.view_page a {
    background: #fff;
    margin: 4px;
    padding: 5px 8px;
    border: 1px solid #e5e5e5;
    font-size: 10px;
    color: #333;
    display: inline-block;
}
.view_page a:hover {
    background: #d50606;
    color: #fff;
    text-decoration: none;
    border: 0 solid #d50606;
}
.view_page a.on {
    background: #d50606;
    color: #fff;
    margin: 4px;
    padding: 5px 8px;
    border: 1px solid #d50606;
    display: inline-block;
}

ul, li {
    padding: 0;
    margin: 0;
}

/* ========== 导航 ========== */
.index_dh {
    border-bottom: 1px solid #e7e7e7;
    padding-top: 10px;
    padding-bottom: 7px;
    background: #fff;
    overflow: hidden;
}

.page_index {
    position: relative;
    text-align: left;
    height: auto;
    line-height: 15px;
    width: 100%;
    list-style-type: none;
    padding-top: 0px;
}

.page_index img {
    width: 32px;
    height: 32px;
    object-fit: cover;
    display: block;
    margin: 0 auto 3px;
}

.page_index li {
    float: left;
    width: 25%;
    font-size: 12px;
    color: #333;
    text-align: center;
	margin: 0 auto 5px;
    height:auto;
}

.page_index li a {
    display: block;
    color: #333;
    border-right: 0 solid #f2f2f2;
}

.page_index li a:hover {
    color: #f00;
    text-decoration: none;
}

p, dl, dt, dd {
    padding: 0;
    margin: 0;
}
/*bottom客服部分css开始*/
* {
    padding: 0;
    margin: 0;
}
.bg {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    filter: alpha(opacity=80);
    opacity: 0.8;
}
ul, ol, li, dl {
    list-style-type: none;
}
.box {
    width: 100%;
    overflow: hidden;
}
.box > *:nth-child(-n+3) {
    float: left;
    box-sizing: border-box;
}
.box > *:nth-child(1) {
    width: 13.5%;
    text-align: left;
}
.box > *:nth-child(2) {
    width: 13.5%;
    margin-left: auto;
    margin-right: 0;
    text-align: left;
}
.box > *:nth-child(3) {
    width: 11.8%;
    margin-left: auto;
    margin-right: 0;
    text-align: right;
}
.box > *:nth-child(4) {
    float: left;
    width: 59.2%;
    box-sizing: border-box;
    text-align: left;
}
.box > div {
    border: 1px solid #ccc;
    padding: 10px;
}
a {
    text-decoration: none;
}
.hovertreebottom {
    height: 41px;
}
.hovertreebottom ul {
    position: fixed;
    z-index: 200;
    bottom: 0;
    left: 0;
    width: 100%;
    padding-right: 1.6%;
    padding-left: 1.6%;
    border-top: 1px solid #f7f7f7;
    background: #ffffff;
}
.hovertreebottom li {
    border: 0 solid #eeeeee;
    box-shadow: 0 0 0 0 #f5f5f5;
    height: 41px;
    border-radius: 40px;
    margin: 4px 0;
    position: relative;
    text-align: center;
}
.hovertreebottom li a {
    display: block;
    line-height: 35px;
    text-align: center;
    color: #fff;
}
.hovertreebottom li a:hover {
    color: #fd5825;
    text-decoration: underline;
}
.bddh img {
    margin: 2px 6px 0 4px;
}
.bddh a {
    text-decoration: none;
    color: #fff;
}
.bddh a:hover {
    text-decoration: none;
    color: #fff;
}
.hovertreebottom li.first {
    border-left: 0;
}
.hovertreebottom li > a {
    font-size: 14px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    border-bottom: 0;
    display: block;
    height: 34px;
    line-height: 35px;
    text-align: center;
}
.hovertreebottom li > a:only-child span {
    background: none;
    padding-left: 0;
}
.hovertreebottom li > a.on + dl {
    display: block;
}
.hovertreebottom li > a span {
    color: #555;
    display: inline-block;
    padding-left: 15px;
}
.hovertreebottom li img {
    padding-top: 0;
    padding-right: 4px;
    margin-bottom: -3px;
}
.hovertreebottom .masklayer_div {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 180;
    filter: alpha(opacity=0);
    background: #000000;
}
.hovertreebottom .masklayer_div.on {
    display: block;
}
/*bottom客服部分css结束*/

#copy_btn {
    border: none;
    background: none;
    outline: none;
}
#copy_btn a {
    color: #fd5825;
    font-size: 12px;
}
#copy_btn:hover {
    background: none;
}
#copy_btn img {
    border: 0;
    margin: 2px 6px 0 4px;
}

.swipe {
    overflow: hidden;
    visibility: hidden;
    position: relative;
}
.swipe-wrap {
    overflow: hidden;
    position: relative;
}
.swipe-wrap > div {
    float: left;
    width: 100%;
    position: relative;
}
.recom {
    position: relative;
    background: #ffffff;
    padding-top: 12px;
}
.recom-img {
    display: block;
}
.recom-img img {
    display: block;
    width: 93%;
    height: auto;  
    margin-left: 3.5%;
    margin-right: 3.5%;
    border: 0 none;
    border-radius: 5px;
}
/* 下面这段我已经帮你改成 3个点自动居中 */
.dot-area {
    position: absolute;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    width: auto;
    display: flex;
    margin-left: 0;
}
:root {
    --dot-radius: 8px;
    --dot-bg-color: #d6d6d6;
    --dot-active-bg-color: #fc6463;
    --dot-margin-right: 12px;
}
.dot, .app-dot {
    border-radius: var(--dot-radius);
    background-color: var(--dot-bg-color);
    margin-right: var(--dot-margin-right);
}
.dot {
    width: 6px;
    height: 6px;
}
.dot:last-child {
    margin-right: 0;
}
.dot.on {
    background-color: var(--dot-active-bg-color);
}

h2 {
    font-size: 18px; /* 比正文大一点即可，正文一般14-16px */
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #333; /* 深灰色，比纯黑柔和 */
}

.section-title {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin: 20px 0 12px;
  padding-left: 0;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.section-title::before {
  content: "";
  width: 8px;
  height: 18px;
  background-color: #f30;
  margin-right: 6px;
  flex-shrink: 0;
}

.cad-outline{line-height:1.8;}
.cad-outline .section{
  font-size:16px;
  font-weight:bold;
  margin:14px 0 10px 0;
}
.cad-outline .item{
  padding-left:16px;
  margin:0 0 8px 0;
  line-height:1.6;
}