@charset "utf-8";
/* 上海京功阀门有限公司 — 站点样式 */

:root{
  --blue:#076ce0;
  --blue-dark:#0558b5;
  --red:#c40000;
  --dark:#222222;
  --gray:#f0f0f0;
  --line:#dadada;
  --text:#333333;
  --muted:#888888;
  --wrap:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font:14px/1.8 "Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;
  color:var(--text);
  background:#fff;
}
a{color:var(--text);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue)}
img{border:0;vertical-align:middle;max-width:100%}
ul,ol{list-style:none}
input,button,textarea,select{font-family:inherit;font-size:inherit;outline:none}
.wrap{width:var(--wrap);margin:0 auto}
.clearfix::after{content:"";display:block;clear:both}
.fl{float:left}
.fr{float:right}

/* ---------- 顶部条 ---------- */
.topbar{
  background:var(--gray);
  border-bottom:1px solid #e3e3e3;
  height:34px;
  line-height:33px;
  font-size:12px;
  color:#666;
}
.topbar a{color:#666}
.topbar a:hover{color:var(--blue)}
.topbar .sep{color:#c9c9c9;margin:0 6px}
.topbar .hot{color:var(--red);font-weight:bold}

/* ---------- 页头 ---------- */
.header{padding:18px 0;background:#fff}
.header .logo{display:block;float:left;margin-right:16px}
.header .logo img{height:64px}
.header .site-name{float:left;padding-top:6px}
.header .site-name h1{
  font-size:28px;
  font-weight:bold;
  color:var(--dark);
  letter-spacing:2px;
  line-height:1.3;
}
.header .site-name p{font-size:13px;color:var(--muted);letter-spacing:1px}
.header .head-tel{float:right;text-align:right;padding-top:8px}
.header .head-tel span{display:block;font-size:13px;color:#666}
.header .head-tel strong{
  display:block;
  font:bold 26px/1.2 Arial,"Microsoft YaHei";
  color:var(--red);
}

/* ---------- 主导航 ---------- */
.nav{background:var(--blue)}
.nav .menu{display:flex}
.nav .menu > li{flex:1;position:relative;text-align:center}
.nav .menu > li > a{
  display:block;
  padding:10px 4px;
  color:#fff;
  line-height:1.4;
  border-right:1px solid rgba(255,255,255,.18);
}
.nav .menu > li:first-child > a{border-left:1px solid rgba(255,255,255,.18)}
.nav .menu > li > a em{display:block;font-style:normal;font-size:16px}
.nav .menu > li > a i{
  display:block;
  font-style:normal;
  font-size:11px;
  text-transform:uppercase;
  opacity:.65;
}
.nav .menu > li:hover > a,
.nav .menu > li.on > a{background:var(--blue-dark)}
.nav .sub{
  display:none;
  position:absolute;
  left:0;
  top:100%;
  width:100%;
  background:var(--blue-dark);
  z-index:99;
}
.nav .menu > li:hover .sub{display:block}
.nav .sub li a{
  display:block;
  padding:8px 4px;
  color:#fff;
  font-size:13px;
  border-top:1px solid rgba(255,255,255,.12);
}
.nav .sub li a:hover{background:var(--blue);color:#fff}

/* ---------- 横幅 ---------- */
/* 横幅：完整显示整张图，不作裁切（与原站一致：图高 560px，居中不缩放） */
.banner{
  height:560px;
  background:#fff center center no-repeat;
  background-size:contain;
  position:relative;
}
/* 视口窄于图片宽度时，按图片比例收缩，避免上下留白 */
@media (max-width:1000px){
  .banner{height:auto;aspect-ratio:960 / 560}
}
.banner .dots{
  position:absolute;
  left:0;
  bottom:16px;
  width:100%;
  text-align:center;
}
.banner .dots span{
  display:inline-block;
  width:10px;
  height:10px;
  margin:0 4px;
  border-radius:50%;
  background:rgba(255,255,255,.6);
  cursor:pointer;
}
.banner .dots span.on{background:var(--blue)}

/* ---------- 主体两栏 ---------- */
.main{padding:20px 0 34px}
.layout{display:flex;align-items:flex-start;gap:20px}
.aside{width:230px;flex:0 0 230px}
.content{flex:1;min-width:0}

/* 侧栏模块 */
.side-box{border:1px solid var(--line);margin-bottom:16px;background:#fff}
.side-box .hd{
  background:var(--blue);
  color:#fff;
  padding:10px 14px;
  font-size:16px;
  font-weight:bold;
  letter-spacing:1px;
}
.side-box .hd i{
  font-style:normal;
  font-size:11px;
  font-weight:normal;
  opacity:.7;
  margin-left:6px;
  text-transform:uppercase;
}
.side-box .bd{padding:8px 0}
.cate li a{
  display:block;
  padding:9px 14px 9px 26px;
  border-bottom:1px dashed #e5e5e5;
  position:relative;
  font-size:14px;
}
.cate li:last-child a{border-bottom:0}
.cate li a::before{
  content:"";
  position:absolute;
  left:13px;
  top:50%;
  margin-top:-3px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--blue);
}
.cate li a:hover{background:#f6f9fe;color:var(--blue);padding-left:30px}
.cate li.on a{background:#f6f9fe;color:var(--blue);font-weight:bold}

.side-contact{padding:12px 14px;line-height:2;font-size:13px;color:#555}
.side-contact p{word-break:break-all}
.side-contact .tel{color:var(--red);font-weight:bold;font-size:15px}

.side-links{padding:10px 14px}
.side-links a{
  display:inline-block;
  margin:0 8px 8px 0;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:2px;
  font-size:13px;
}
.side-links a:hover{border-color:var(--blue);color:var(--blue)}

/* 内容模块标题 */
.panel{border:1px solid var(--line);margin-bottom:18px;background:#fff}
.panel > .hd{
  height:42px;
  line-height:41px;
  border-bottom:1px solid var(--line);
  background:#fafafa;
  padding:0 14px;
}
.panel > .hd h2{
  float:left;
  font-size:17px;
  color:var(--dark);
  border-bottom:2px solid var(--blue);
  height:41px;
  padding:0 4px;
}
.panel > .hd .more{float:right;font-size:12px;color:var(--muted)}
.panel > .hd .more:hover{color:var(--blue)}
.panel > .bd{padding:16px}

/* 选项卡 */
.tabs{float:left}
.tabs li{float:left}
.tabs li a{
  display:block;
  padding:0 16px;
  height:41px;
  font-size:15px;
  color:#555;
}
.tabs li.on a{
  color:var(--blue);
  font-weight:bold;
  border-bottom:2px solid var(--blue);
}

/* ---------- 产品网格 ---------- */
.plist{display:flex;flex-wrap:wrap;gap:16px}
.plist li{
  width:calc((100% - 32px) / 3);
  border:1px solid #e8e8e8;
  transition:box-shadow .25s,border-color .25s;
  background:#fff;
}
.plist.col4 li{width:calc((100% - 48px) / 4)}
.plist li:hover{border-color:var(--blue);box-shadow:0 4px 14px rgba(7,108,224,.14)}
.plist .pic{
  display:block;
  height:210px;
  overflow:hidden;
  text-align:center;
  background:#fff;
}
.plist .pic img{
  width:100%;
  height:100%;
  object-fit:contain;
  transition:transform .3s;
}
.pic-placeholder{
  display:flex;
  width:100%;
  height:100%;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  color:#8ca0b7;
  background:linear-gradient(145deg,#f7f9fc,#edf2f7);
}
.pic-placeholder b{font:700 36px/1 Arial,sans-serif;letter-spacing:2px;color:#b2c0cf}
.pic-placeholder small{font-size:12px;letter-spacing:1px}
.plist li:hover .pic img{transform:scale(1.06)}
.plist .pname{
  display:block;
  padding:10px 8px;
  text-align:center;
  font-size:13px;
  border-top:1px solid #eee;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.plist li:hover .pname{color:var(--blue)}

/* 分类下暂无产品时的提示 */
.empty-tip{
  padding:44px 20px;
  text-align:center;
  color:#777;
  line-height:2.1;
  border:1px dashed var(--line);
  background:#fafbfc;
}
.empty-tip b{color:var(--red)}
.empty-tip .back-all{
  display:inline-block;
  margin-top:10px;
  color:var(--blue);
}

/* ---------- 产品详情页 ---------- */
.pd-top{display:flex;gap:24px;flex-wrap:wrap}
.pd-pic{
  flex:0 0 340px;
  border:1px solid var(--line);
  background:#fff;
  padding:10px;
}
.pd-pic img{
  display:block;
  width:100%;
  height:320px;
  object-fit:contain;   /* 各产品图比例不一，contain 保证完整显示 */
}
.pd-pic .pic-placeholder{height:320px}
.pd-info{flex:1;min-width:280px}
.pd-info h3{font-size:20px;color:var(--dark);margin-bottom:14px;line-height:1.5}
.pd-meta{border-collapse:collapse;width:100%;margin-bottom:18px}
.pd-meta th,.pd-meta td{
  border:1px solid var(--line);
  padding:9px 12px;
  font-size:14px;
  text-align:left;
}
.pd-meta th{background:#f6f9fe;color:var(--dark);width:110px;font-weight:normal}
.pd-meta td a{color:var(--blue)}
.pd-cta{border:1px solid var(--line);background:#fafbfc;padding:16px}
.pd-cta p{font-size:13px;color:#666;line-height:1.9}
.pd-cta .pd-tel{
  font:bold 26px/1.3 Arial,"Microsoft YaHei";
  color:var(--red);
  margin:6px 0 2px;
}
.pd-cta .pd-sub{font-size:13px;color:#888}
.pd-cta .pd-btn{
  display:inline-block;
  margin-top:12px;
  background:var(--blue);
  color:#fff;
  padding:9px 28px;
  border-radius:2px;
  font-size:14px;
}
.pd-cta .pd-btn:hover{background:var(--blue-dark);color:#fff}
.pd-description{
  margin-top:24px;
  padding:20px 22px;
  border:1px solid var(--line);
  background:#fff;
}
.pd-description h3{font-size:18px;color:var(--dark);padding-bottom:10px;border-bottom:1px solid var(--line)}
.pd-description p,.pd-description li{font-size:14px;color:#555;line-height:1.9}
.pd-description ul{margin:8px 0 0 20px;list-style:disc}
.pd-description .pd-source{margin-top:14px;padding-top:10px;border-top:1px dashed var(--line);font-size:12px;color:#888}
.pd-description .pd-source a{color:var(--blue)}
@media (max-width:900px){
  .pd-pic{flex:1 1 100%}
  .pd-pic img{height:260px}
  .pd-pic .pic-placeholder{height:260px}
  .pd-info h3{font-size:17px}
}

/* ---------- 新闻列表 ---------- */
.newscols{display:flex;gap:20px}
.newscols .col{flex:1;min-width:0}
.news-top{display:flex;gap:12px;padding-bottom:12px;margin-bottom:10px;border-bottom:1px dashed #e5e5e5}
.news-top .t{font-size:15px;font-weight:bold;color:var(--dark);display:block;margin-bottom:6px}
.news-top .t:hover{color:var(--blue)}
.news-top p{font-size:12px;color:var(--muted);line-height:1.7}
.newslist li{
  border-bottom:1px dashed #e9e9e9;
  padding:8px 0 8px 14px;
  position:relative;
  display:flex;
  justify-content:space-between;
  gap:10px;
}
.newslist li:last-child{border-bottom:0}
.newslist li::before{
  content:"";
  position:absolute;
  left:2px;
  top:50%;
  margin-top:-2px;
  width:4px;
  height:4px;
  background:#c3c3c3;
  border-radius:50%;
}
.newslist li:hover::before{background:var(--blue)}
.newslist .nt{
  flex:1;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  font-size:13px;
}
.newslist .nd{flex:0 0 auto;font-size:12px;color:#aaa}

/* ---------- 公司简介块 ---------- */
.intro p{margin-bottom:12px;text-indent:2em;color:#555;line-height:2}
.intro .more-link{color:var(--blue)}

/* ---------- 面包屑 ---------- */
.crumb{
  border-bottom:1px solid var(--line);
  padding:12px 0;
  font-size:13px;
  color:var(--muted);
  background:#fafafa;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}

/* ---------- 内页正文 ---------- */
.article h2.title{
  text-align:center;
  font-size:22px;
  color:var(--dark);
  padding-bottom:12px;
  font-weight:bold;
}
.article .meta{
  text-align:center;
  font-size:12px;
  color:var(--muted);
  border-bottom:1px dashed #e5e5e5;
  padding-bottom:12px;
  margin-bottom:18px;
}
.article p{margin-bottom:14px;text-indent:2em;line-height:2;color:#555}
.article h3{font-size:16px;color:var(--blue);margin:20px 0 10px}
.article table{border-collapse:collapse;width:100%;margin:14px 0}
.article table th,.article table td{
  border:1px solid var(--line);
  padding:8px 10px;
  font-size:13px;
  text-align:left;
}
.article table th{background:#f6f9fe;color:var(--dark)}
.article .article-summary{
  margin:0 0 20px;
  padding:12px 16px;
  text-indent:0;
  color:#4e637a;
  background:#f6f9fe;
  border-left:3px solid var(--blue);
}
.article-points{margin:0 0 16px 22px;color:#555;line-height:2}
.article-points li{list-style:disc;padding-left:2px}
.article .article-note{
  margin-top:24px;
  padding:10px 12px;
  text-indent:0;
  font-size:12px;
  color:#777;
  background:#fafafa;
  border:1px solid var(--line);
}
.article .article-source{text-indent:0;font-size:13px;color:#777}
.article .article-source a{color:var(--blue)}
.article-nav{
  display:flex;
  justify-content:space-between;
  gap:20px;
  margin-top:24px;
  padding-top:15px;
  border-top:1px dashed #ddd;
  font-size:13px;
}
.article-nav a,.article-nav span{flex:1;min-width:0}
.article-nav a:last-child,.article-nav span:last-child{text-align:right}
.article-empty{text-align:center;padding:50px 20px}
.article-empty h2{margin-bottom:10px;color:var(--dark)}
.article-empty p{margin-bottom:15px;color:var(--muted)}

/* 特色/优势块 */
.feature{display:flex;gap:16px;flex-wrap:wrap}
.feature li{
  flex:1 1 calc(25% - 12px);
  border:1px solid var(--line);
  padding:18px 14px;
  text-align:center;
}
.feature li h4{font-size:16px;color:var(--blue);margin-bottom:8px}
.feature li p{font-size:13px;color:#777;line-height:1.8}

/* ---------- 图片展示（厂区 / 产品实拍）---------- */
.photo-grid{display:flex;flex-wrap:wrap;gap:14px;margin:6px 0 4px}
.photo-grid figure{
  flex:1 1 calc(50% - 7px);
  margin:0;
  border:1px solid var(--line);
  background:#fff;
}
.photo-grid figure.wide{flex:1 1 100%}
/* 这组图宽高比从 0.66（竖）到 2.40（超宽）都有，cover 会把竖图上下、
   宽图左右裁掉，结构图上的标注文字也会缺失，因此一律用 contain 完整显示。 */
.photo-grid img{
  display:block;
  width:100%;
  height:240px;
  object-fit:contain;
  background:#fff;
}
/* 整行展示的图按原始比例呈现：车间全景需要横向空间，
   结构图的标注文字缩小后看不清，都不适合再压到固定高度里。 */
.photo-grid figure.wide img{height:auto}
.photo-grid figcaption{
  padding:8px 10px;
  font-size:13px;
  color:#666;
  text-align:center;
  border-top:1px solid #eee;
  background:#fafafa;
}
@media (max-width:900px){
  .photo-grid figure{flex:1 1 100%}
  .photo-grid img{height:220px}
  .photo-grid figure.wide img{height:auto}
}

/* ---------- 联系页 ---------- */
.contact-grid{display:flex;gap:20px;flex-wrap:wrap}
.contact-grid .box{
  flex:1 1 calc(50% - 10px);
  border:1px solid var(--line);
  padding:18px;
}
.contact-grid .box h3{font-size:16px;color:var(--blue);margin-bottom:10px}
.contact-grid .box p{line-height:2.1;font-size:14px;color:#555}
.contact-grid .box p b{color:var(--dark);font-weight:normal}
.map-title{
  font-size:16px;
  color:var(--blue);
  margin:22px 0 10px;
  padding-left:10px;
  border-left:3px solid var(--blue);
  line-height:1.4;
}
.map-holder{
  height:380px;
  border:1px solid var(--line);
  background:#f4f6f8;
  position:relative;
  overflow:hidden;
}
/* 百度地图靠绝对定位拼贴图，全局的 box-sizing:border-box 与 img 最大宽度
   会把瓦片挤错位、留白缝。只在地图容器里改回浏览器默认值。 */
.map-holder.is-ready *{box-sizing:content-box}
.map-holder.is-ready img{max-width:none}

/* AK 没配、脚本被拦或坐标查不到时的兜底卡片，保证这块永远不是一片空白 */
.map-holder.map-fallback{
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:20px;
}
.map-holder .mf-name{font-size:17px;color:var(--dark);margin-bottom:6px}
.map-holder .mf-addr{font-size:14px;color:#666;margin-bottom:16px}
.map-holder .mf-btn{
  display:inline-block;
  background:var(--blue);
  color:#fff;
  padding:9px 22px;
  border-radius:2px;
  font-size:14px;
}
.map-holder .mf-btn:hover{background:var(--blue-dark);color:#fff}
.map-note{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.9}

@media (max-width:900px){
  .map-holder{height:280px}
}

/* 留言表单 */
.mform .row{margin-bottom:14px;display:flex;gap:12px;flex-wrap:wrap}
.mform .row .fld{flex:1;min-width:200px}
.mform label{display:block;font-size:13px;color:#555;margin-bottom:5px}
.mform input[type=text],
.mform textarea{
  width:100%;
  border:1px solid var(--line);
  padding:9px 10px;
  font-size:14px;
  border-radius:2px;
  color:var(--text);
}
.mform input[type=text]:focus,
.mform textarea:focus{border-color:var(--blue)}
.mform textarea{height:120px;resize:vertical}
.mform .btn{
  background:var(--blue);
  color:#fff;
  border:0;
  padding:10px 34px;
  font-size:15px;
  border-radius:2px;
  cursor:pointer;
}
.mform .btn:hover{background:var(--blue-dark)}
.mform .tip{font-size:13px;color:var(--red);margin-left:12px}

/* ---------- 分页 ---------- */
.pager{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:6px;
  text-align:center;
  padding:22px 0 4px;
}
.pager a,.pager span{
  display:inline-block;
  min-width:32px;
  padding:5px 10px;
  border:1px solid var(--line);
  font-size:13px;
  line-height:22px;
  box-sizing:border-box;
}
.pager .cur{background:var(--blue);border-color:var(--blue);color:#fff}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager a:focus-visible{border-color:var(--blue);box-shadow:0 0 0 2px rgba(7,108,224,.18)}
.pager .disabled{color:#aaa;background:#f7f7f7;cursor:not-allowed}
.pager .ellipsis{min-width:auto;padding-left:3px;padding-right:3px;border-color:transparent}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#9a9a9a;padding:26px 0 18px;font-size:13px;line-height:2}
.footer a{color:#9a9a9a}
.footer a:hover{color:#fff}
.footer .fcols{display:flex;gap:40px;flex-wrap:wrap;padding-bottom:18px}
.footer .fcol h4{color:#fff;font-size:15px;margin-bottom:8px;font-weight:normal}
.footer .fcol.nav-col{flex:0 0 160px}
.footer .fcol.info-col{flex:1;min-width:260px}
.footer .fcol.qr-col{flex:0 0 220px;text-align:center}
.footer .fcol.qr-col img{width:110px;height:110px;object-fit:contain;background:#fff;padding:4px}
.footer .fcol.qr-col span{display:block;font-size:12px;margin-top:6px}
.footer .copy{
  border-top:1px solid #343434;
  padding-top:14px;
  text-align:center;
  font-size:12px;
  color:#7d7d7d;
}
.footer .copy a{color:#7d7d7d}

/* ---------- 右侧悬浮客服 ---------- */
.kefu{
  position:fixed;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:62px;
  z-index:200;
}
.kefu li{position:relative;margin-bottom:2px}
.kefu li > a,.kefu li > span{
  display:block;
  background:var(--blue);
  color:#fff;
  text-align:center;
  padding:10px 4px;
  font-size:12px;
  line-height:1.5;
  cursor:pointer;
}
.kefu li:hover > a,.kefu li:hover > span{background:var(--blue-dark)}
.kefu li .ic{display:block;font-size:20px;line-height:1.2}
.kefu .pop{
  display:none;
  position:absolute;
  right:70px;
  top:0;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 3px 12px rgba(0,0,0,.12);
  padding:10px;
  width:170px;
  text-align:center;
  font-size:12px;
  color:#666;
  line-height:1.8;
}
.kefu .pop.wide{width:210px;text-align:left}
.kefu .pop img{width:140px;height:140px;object-fit:contain}
.kefu li:hover .pop{display:block}
.kefu .totop{background:#666 !important}
.kefu .totop:hover{background:#444 !important}

/* ---------- 移动端 ---------- */
.mnav-btn{display:none}
@media (max-width:1240px){
  .wrap{width:auto;padding:0 12px}
}
@media (max-width:900px){
  .topbar .setpage{display:none}
  .header{padding:12px 0}
  .header .logo img{height:44px}
  .header .site-name h1{font-size:19px;letter-spacing:0}
  .header .site-name p{font-size:11px}
  .header .head-tel{display:none}
  .nav .menu > li > a i{display:none}
  .nav .menu > li > a em{font-size:14px}
  .nav .menu > li > a{padding:9px 2px}
  .layout{flex-direction:column}
  .aside{width:100%;flex:none}
  .article-page .content{order:1}
  .article-page .aside{order:2}
  .plist li,.plist.col4 li{width:calc((100% - 16px) / 2)}
  .plist .pic{height:150px}
  .newscols{flex-direction:column}
  .feature li{flex:1 1 calc(50% - 8px)}
  .contact-grid .box{flex:1 1 100%}
  .kefu{display:none}
  .footer .fcols{gap:18px}
  .footer .fcol.qr-col{flex:1 1 100%}
  .article-nav{flex-direction:column;gap:8px}
  .article-nav a:last-child,.article-nav span:last-child{text-align:left}
}
@media (max-width:480px){
  .plist li,.plist.col4 li{width:100%}
  .plist .pic{height:200px}
  .pager{gap:4px}
  .pager a,.pager span{min-width:28px;padding:4px 7px}
  .pager .ellipsis{padding-left:1px;padding-right:1px}
}