/* ===========================================================
   MJTURF 仿站模板样式  (沂水美佳地毯责任有限公司)
   主色：#1DC091（科技绿）  辅助色：#FE605F（珊瑚红）
   双语：html.lang-zh 时隐藏 .en，html.lang-en 时隐藏 .zh
   =========================================================== */
:root{
  --mj-green:#1dc091;
  --mj-green-d:#15a87d;
  --mj-green-l:#e8f8f3;
  --mj-coral:#fe605f;
  --mj-dark:#2b2b2b;
  --mj-gray:#666;
  --mj-gray-l:#999;
  --mj-light:#f5f8f7;
  --mj-line:#e8eeec;
  --mj-shadow:0 6px 20px rgba(0,0,0,.05);
  --mj-shadow-h:0 18px 42px rgba(29,192,145,.18);
  --mj-radius:14px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;font-family:"Source Han Sans","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--mj-dark);background:#fff;-webkit-font-smoothing:antialiased;}
body{font-size:14px;line-height:1.75;overflow-x:hidden;}
a{text-decoration:none;color:inherit;transition:color .25s;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 双语切换（白底导航栏，需深色可见） ---------- */
.lang-zh .en{display:none!important;}
.lang-en .zh{display:none!important;}
/* 切换器例外：两个选项都要可见，当前项高亮 */
.lang-switch .zh,.lang-switch .en{display:inline-block!important;}
.lang-switch{display:inline-flex;align-items:center;gap:0;font-size:13px;cursor:pointer;
  color:var(--mj-green);background:var(--mj-green-l);border:1.5px solid var(--mj-green);
  border-radius:30px;padding:4px 6px;user-select:none;transition:.25s;white-space:nowrap;
  font-weight:600;letter-spacing:.3px;line-height:1.5;overflow:hidden;}
.lang-switch .opt{padding:3px 13px;border-radius:24px;transition:.22s;}
.lang-switch .opt + .opt{border-left:1.5px solid var(--mj-green);}
.lang-switch .opt.on{background:var(--mj-green);color:#fff;}
.lang-switch:hover{box-shadow:0 4px 14px rgba(29,192,145,.32);}
.lang-switch:hover .opt.on{background:var(--mj-green-d);}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(0,0,0,.07);z-index:999;}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand img{height:46px;width:auto;}
.brand .brand-txt{line-height:1.25;}
.brand .brand-txt b{font-size:18px;color:var(--mj-dark);letter-spacing:.5px;display:block;}
.brand .brand-txt span{display:block;font-size:10px;color:var(--mj-gray-l);letter-spacing:1.2px;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{position:relative;padding:24px 15px;font-size:15px;color:var(--mj-dark);transition:.25s;white-space:nowrap;}
.main-nav a::after{content:"";position:absolute;left:50%;bottom:18px;width:0;height:3px;background:var(--mj-green);transition:.28s;transform:translateX(-50%);border-radius:3px;}
.main-nav a:hover,.main-nav a.active{color:var(--mj-green);}
.main-nav a:hover::after,.main-nav a.active::after{width:58%;}
.header-right{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;}
.nav-toggle span{width:26px;height:3px;background:var(--mj-dark);border-radius:2px;transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
.head-pad{height:72px;}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0;}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .zh,.section-head .en{font-size:30px;font-weight:700;color:var(--mj-dark);letter-spacing:.5px;}
.section-head .sub{display:block;margin-top:10px;font-size:13px;letter-spacing:3.5px;color:var(--mj-green);text-transform:uppercase;font-weight:600;}
.section-head .bar{width:56px;height:4px;background:linear-gradient(90deg,var(--mj-green),var(--mj-green-d));margin:18px auto 0;border-radius:4px;position:relative;}
.section-head .bar::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:8px;height:8px;background:var(--mj-coral);border-radius:50%;}

/* ---------- 首页大图 Hero（纯图，无文字） ---------- */
/* Hero：按原图比例 1903x780 自适应容器，object-fit:contain + 背景延展，任何屏宽都完整不裁剪 */
.hero{position:relative;width:100%;aspect-ratio:1903/780;max-height:640px;min-height:260px;
  overflow:hidden;background:var(--mj-dark);margin-top:72px;}
.hero-slide{position:relative;width:100%;height:100%;}
.hero-slide img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;}
/* contain 后的左右留白用品牌深绿渐变自然衔接，不留硬边 */
.hero-slide{background:linear-gradient(180deg,#0d2a22 0%,#0f352b 50%,#0d2a22 100%);}
.hero-fade{position:absolute;inset:auto 0 0 0;height:36%;
  background:linear-gradient(180deg,rgba(10,30,24,0) 0%,rgba(10,30,24,.34) 100%);}
.hero-accent{position:absolute;left:0;right:0;bottom:0;height:5px;z-index:3;
  background:linear-gradient(90deg,var(--mj-green),var(--mj-green-d) 55%,var(--mj-coral));}

/* ---------- 关于美佳 ---------- */
.about{background:var(--mj-light);position:relative;overflow:hidden;}
.about::before{content:"";position:absolute;top:-90px;right:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(29,192,145,.10),transparent 70%);}
.about .row{display:flex;gap:56px;align-items:center;flex-wrap:wrap;position:relative;}
.about .about-img{flex:1 1 440px;position:relative;}
.about .about-img::before{content:"";position:absolute;left:-16px;top:-16px;right:24px;bottom:24px;border:3px solid var(--mj-green);border-radius:var(--mj-radius);opacity:.45;z-index:0;}
.about .about-img img{border-radius:var(--mj-radius);box-shadow:0 22px 48px rgba(0,0,0,.14);width:100%;position:relative;z-index:1;}
.about .about-text{flex:1 1 440px;}
.about .about-text h3{color:var(--mj-green);font-size:26px;margin:0 0 8px;font-weight:700;}
.about .about-text .lead{color:var(--mj-gray);font-size:15px;line-height:2.05;margin:18px 0;}
.about .about-text .stats{display:flex;gap:36px;margin:28px 0 8px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--mj-line);border-bottom:1px solid var(--mj-line);}
.about .about-text .stats div{text-align:center;flex:1 1 90px;}
.about .about-text .stats b{display:block;font-size:32px;color:var(--mj-green);line-height:1.1;font-weight:700;}
.about .about-text .stats span{font-size:12px;color:var(--mj-gray-l);letter-spacing:.5px;}

/* ---------- 产品展示 ---------- */
.products{background:#fff;}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.prod-card{background:#fff;border:1px solid var(--mj-line);border-radius:var(--mj-radius);overflow:hidden;transition:.35s;box-shadow:var(--mj-shadow);}
.prod-card:hover{transform:translateY(-8px);box-shadow:var(--mj-shadow-h);border-color:var(--mj-green);}
.prod-card .pic{height:210px;overflow:hidden;background:#f3f6f5;position:relative;}
.prod-card .pic img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.prod-card:hover .pic img{transform:scale(1.08);}
.prod-card .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(29,192,145,.14));opacity:0;transition:.35s;}
.prod-card:hover .pic::after{opacity:1;}
.prod-card .info{padding:18px 20px 20px;}
.prod-card .info h4{margin:0 0 8px;font-size:17px;color:var(--mj-dark);line-height:1.5;}
.prod-card .info h4 a:hover{color:var(--mj-green);}
.prod-card .info p{margin:0;font-size:12.5px;color:var(--mj-gray-l);line-height:1.8;}
.prod-card .info .more{display:inline-block;margin-top:12px;color:var(--mj-green);font-size:13px;font-weight:600;}
.prod-card .info .more:hover{color:var(--mj-green-d);}

/* ---------- 企业动态 ---------- */
.news{background:var(--mj-light);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{display:flex;gap:20px;background:#fff;border-radius:var(--mj-radius);padding:20px;box-shadow:var(--mj-shadow);transition:.32s;border:1px solid transparent;}
.news-card:hover{box-shadow:0 16px 38px rgba(29,192,145,.14);border-color:var(--mj-green);transform:translateY(-4px);}
.news-card .date{width:66px;flex:0 0 66px;text-align:center;background:linear-gradient(160deg,var(--mj-green),var(--mj-green-d));color:#fff;border-radius:12px;padding:12px 0;align-self:flex-start;box-shadow:0 6px 16px rgba(29,192,145,.28);}
.news-card .date b{display:block;font-size:26px;line-height:1;font-weight:700;}
.news-card .date span{font-size:12px;opacity:.9;}
.news-card .txt{min-width:0;}
.news-card .txt h4{margin:0 0 8px;font-size:16.5px;line-height:1.6;}
.news-card .txt h4 a:hover{color:var(--mj-green);}
.news-card .txt p{margin:0;font-size:13px;color:var(--mj-gray-l);line-height:1.85;}

/* ---------- 案例中心 ---------- */
.cases{background:#fff;}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.case-item{border-radius:12px;overflow:hidden;position:relative;box-shadow:var(--mj-shadow);background:#eee;}
.case-item img{width:100%;height:235px;object-fit:cover;transition:.5s;}
.case-item:hover img{transform:scale(1.09);}
.case-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.45));opacity:0;transition:.35s;}
.case-item:hover::after{opacity:1;}
.case-item .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,transparent,rgba(21,168,125,.95));color:#fff;font-size:14px;padding:14px 16px;transform:translateY(100%);transition:.35s;z-index:2;}
.case-item:hover .cap{transform:translateY(0);}

/* ---------- 荣誉资质 ---------- */
.honor{background:var(--mj-light);}
.honor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;}
.honor-item{background:#fff;border:1px solid var(--mj-line);border-radius:12px;padding:14px;box-shadow:var(--mj-shadow);transition:.32s;}
.honor-item:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(29,192,145,.16);border-color:var(--mj-green);}
.honor-item img{width:100%;height:200px;object-fit:contain;}
.honor-item p{text-align:center;margin:12px 0 0;font-size:13px;color:var(--mj-gray);}

/* ---------- 工程实景展示（纯图） ---------- */
.showcase{background:var(--mj-light);}
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.showcase-item{border-radius:var(--mj-radius);overflow:hidden;box-shadow:var(--mj-shadow);position:relative;background:#e9eeec;aspect-ratio:16/10;}
.showcase-item img{width:100%;height:100%;object-fit:cover;transition:.55s;}
.showcase-item:hover img{transform:scale(1.08);}
.showcase-item::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 0 var(--mj-green);transition:.35s;border-radius:var(--mj-radius);}
.showcase-item:hover::after{box-shadow:inset 0 0 0 3px var(--mj-green);}

/* ---------- 联系我们 ---------- */
.contact{background:linear-gradient(125deg,#0f2a22,#16463a 60%,#1b5a48);color:#fff;position:relative;overflow:hidden;}
.contact::before{content:"";position:absolute;bottom:-120px;left:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(29,192,145,.18),transparent 70%);}
.contact .row{display:flex;gap:52px;flex-wrap:wrap;align-items:center;position:relative;}
.contact .c-img{flex:1 1 400px;}
.contact .c-img img{border-radius:var(--mj-radius);width:100%;box-shadow:0 22px 48px rgba(0,0,0,.28);}
.contact .c-info{flex:1 1 400px;}
.contact .c-info h3{font-size:27px;color:#fff;margin:0 0 20px;font-weight:700;}
.contact .c-info .item{display:flex;align-items:center;gap:15px;margin-bottom:18px;}
.contact .c-info .item i{width:44px;height:44px;border-radius:50%;background:var(--mj-green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 44px;box-shadow:0 6px 16px rgba(29,192,145,.35);}
.contact .c-info .item .t b{display:block;font-size:15px;color:#fff;}
.contact .c-info .item .t span{font-size:13px;opacity:.78;}

/* ---------- 通用按钮 ---------- */
.btn-mj{display:inline-block;background:linear-gradient(135deg,var(--mj-green),var(--mj-green-d));color:#fff;padding:12px 32px;border-radius:30px;font-size:14px;font-weight:600;transition:.28s;box-shadow:0 8px 22px rgba(29,192,145,.3);border:none;cursor:pointer;}
.btn-mj:hover{color:#fff;transform:translateY(-3px);box-shadow:0 14px 30px rgba(29,192,145,.4);}

/* ---------- 页脚 ---------- */
.site-footer{background:#10231d;color:#cfe3dc;padding:52px 0 24px;font-size:13px;}
.site-footer .f-row{display:flex;gap:44px;flex-wrap:wrap;}
.site-footer .f-col{flex:1 1 240px;}
.site-footer .f-col h5{color:#fff;font-size:16px;margin:0 0 18px;position:relative;padding-left:13px;font-weight:700;}
.site-footer .f-col h5::before{content:"";position:absolute;left:0;top:4px;width:4px;height:16px;background:var(--mj-green);border-radius:2px;}
.site-footer .f-col ul{list-style:none;margin:0;padding:0;}
.site-footer .f-col li{margin-bottom:10px;opacity:.88;}
.site-footer .f-col a:hover{color:var(--mj-green);}
.site-footer .copy{text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:20px;opacity:.6;}

/* ---------- 内页大屏：左文右图分栏（文字不压图，图片不裁剪主体） ---------- */
.page-banner{display:flex;align-items:stretch;min-height:330px;margin-top:72px;
  background:linear-gradient(120deg,var(--mj-dark) 0%,#0f2f26 52%,#12463a 100%);color:#fff;position:relative;overflow:hidden;}
.page-banner .pb-text{flex:0 0 46%;display:flex;align-items:center;position:relative;z-index:2;
  padding:44px 40px 44px max(24px,calc((100vw - 1200px)/2 + 20px));}
.page-banner .pb-text::after{content:"";position:absolute;right:-46px;top:0;bottom:0;width:92px;
  background:linear-gradient(90deg,rgba(18,70,58,0),rgba(18,70,58,.55));pointer-events:none;}
.page-banner .pb-media{flex:1 1 auto;position:relative;overflow:hidden;min-height:330px;}
.page-banner .pb-media img{width:100%;height:100%;min-height:330px;object-fit:cover;
  object-position:62% 50%;display:block;}
.page-banner .pb-glow{position:absolute;left:0;top:0;bottom:0;width:130px;pointer-events:none;
  background:linear-gradient(90deg,rgba(15,47,38,.85) 0%,rgba(15,47,38,0) 100%);}
.page-banner .pb-in{position:relative;z-index:2;max-width:460px;}
.page-banner .pb-in h1{font-size:34px;margin:0;font-weight:700;letter-spacing:1.5px;line-height:1.3;}
.page-banner .pb-in p{letter-spacing:2.5px;opacity:.85;margin-top:10px;text-transform:uppercase;font-size:12.5px;font-weight:500;line-height:1.7;}
.page-banner .bar{width:52px;height:4px;background:linear-gradient(90deg,var(--mj-green),var(--mj-coral));margin:16px 0 0;border-radius:4px;}
.page-banner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;z-index:3;
  background:linear-gradient(90deg,var(--mj-green),var(--mj-green-d) 55%,var(--mj-coral));}
.position{text-align:right;color:var(--mj-gray);font-size:13px;margin:16px 0 28px;}
.position a:hover{color:var(--mj-green);}

/* ---------- 内容页 ---------- */
.pages{padding:36px 0 70px;}
.content img{max-width:100%;height:auto;margin:16px 0;border-radius:10px;}
.content p{line-height:2.05;color:#444;margin:12px 0;}

/* ---------- 列表页 ---------- */
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.info-card{border:1px solid var(--mj-line);border-radius:var(--mj-radius);overflow:hidden;transition:.32s;box-shadow:var(--mj-shadow);background:#fff;}
.info-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(29,192,145,.15);border-color:var(--mj-green);}
.info-card .pic{height:205px;overflow:hidden;background:#f3f6f5;}
.info-card .pic img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.info-card:hover .pic img{transform:scale(1.08);}
.info-card .info{padding:16px 18px 20px;}
.info-card .info h5{margin:0 0 8px;font-size:16px;line-height:1.6;}
.info-card .info h5 a:hover{color:var(--mj-green);}
.info-card .info p{margin:0;font-size:13px;color:var(--mj-gray-l);line-height:1.8;}

/* 新闻列表 / 案例列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* ---------- 详情页 ---------- */
.detail-wrap{max-width:880px;margin:0 auto;}
.detail-wrap h1{font-size:26px;text-align:center;margin:10px 0 8px;font-weight:700;line-height:1.5;}
.detail-wrap .meta{text-align:center;color:var(--mj-gray-l);font-size:13px;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--mj-line);}
.detail-wrap .detail-content{font-size:15px;line-height:2.1;color:#444;}
.detail-wrap .detail-content img{max-width:100%;border-radius:10px;}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin:40px 0;flex-wrap:wrap;}
.pagination a,.pagination span{display:inline-block;min-width:40px;text-align:center;padding:9px 13px;border:1px solid var(--mj-line);border-radius:9px;color:var(--mj-gray);font-size:13px;transition:.25s;background:#fff;}
.pagination a:hover,.pagination .active{background:var(--mj-green);color:#fff;border-color:var(--mj-green);}

/* ===========================================================
   内容区图廊 / 表格 / 附加配图
   =========================================================== */
/* 关于美佳：企业风采 8 图 */
.about-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;}
.about-gallery .about-shot{width:100%;height:205px;object-fit:cover;border-radius:12px;
  box-shadow:var(--mj-shadow);transition:.32s;}
.about-gallery .about-shot:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(29,192,145,.18);}

/* 荣誉资质：证书 11 图 */
.honor-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.honor-gallery .honor-cert{width:100%;height:230px;object-fit:contain;background:#fff;
  border:1px solid var(--mj-line);border-radius:12px;padding:12px;transition:.32s;}
.honor-gallery .honor-cert:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(29,192,145,.16);border-color:var(--mj-green);}

/* 联系我们：附加配图 */
.contact-info{line-height:2.15;}
.contact-info p{margin:9px 0;}
.contact-info b{color:var(--mj-green);}
.contact-pics{margin-top:24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.contact-pics img{background:#fff;border-radius:8px;padding:7px;box-shadow:var(--mj-shadow);}

/* 案例详情大图 */
.case-detail-img{text-align:center;}
.case-detail-img img{width:100%;max-width:880px;border-radius:var(--mj-radius);box-shadow:0 14px 38px rgba(0,0,0,.12);}

/* 首页产品区独立配图 */
.prod-showcase{margin-top:38px;text-align:center;}
.prod-showcase img{max-width:540px;width:100%;margin:0 auto;border-radius:var(--mj-radius);
  box-shadow:0 14px 36px rgba(0,0,0,.09);}

/* 产品详情：规格参数表 */
.content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;box-shadow:var(--mj-shadow);border-radius:10px;overflow:hidden;table-layout:fixed;}
.content table td,.content table th{border:1px solid var(--mj-line);padding:11px 16px;line-height:1.85;word-break:break-word;vertical-align:middle;}
.content table tr td:first-child{background:var(--mj-green-l);color:var(--mj-dark);font-weight:600;width:130px;}
/* 表格内被清理后残留的 p/span 归零，避免行高翻倍 */
.content table td p,.content table td span{margin:0;padding:0;line-height:inherit;font:inherit;}
.content table tr td[colspan]{background:var(--mj-green);color:#fff;font-weight:700;text-align:center;letter-spacing:1px;}

/* ---------- 详情页：主图 / 英文摘要 / 上下篇 ---------- */
.detail-wrap .detail-ico{text-align:center;margin:0 0 24px;}
.detail-wrap .detail-ico img{max-width:520px;width:100%;border-radius:var(--mj-radius);
  box-shadow:0 14px 36px rgba(0,0,0,.10);}
.detail-wrap .detail-ico:empty{display:none;}

/* 英文模式：中文正文隐藏，展示英文摘要为主体内容（加大版式，填补版面） */
.lang-en .detail-wrap .detail-abs{display:block;margin:0 0 8px;padding:24px 28px;
  background:#fff;border:1px solid var(--mj-line);border-left:4px solid var(--mj-green);
  border-radius:0 var(--mj-radius) var(--mj-radius) 0;font-size:15px;line-height:2.05;color:#444;
  box-shadow:var(--mj-shadow);}
.lang-en .detail-wrap .detail-abs:empty{display:none;}
.lang-en .detail-abs::before{content:"Overview";display:block;font-size:12px;letter-spacing:2.5px;
  text-transform:uppercase;color:var(--mj-green);font-weight:700;margin-bottom:12px;}

.detail-abs{margin:28px 0 0;padding:18px 22px;background:var(--mj-light);
  border-left:4px solid var(--mj-green);border-radius:0 10px 10px 0;
  font-size:14px;line-height:1.95;color:var(--mj-gray);}
.detail-abs:empty{display:none;}

/* 英文模式下详情标题左对齐更协调 */
.lang-en .detail-wrap h1{font-size:28px;letter-spacing:.3px;}
.lang-en .detail-wrap .meta{padding-bottom:20px;}

.detail-nav{display:flex;align-items:stretch;gap:16px;margin:36px 0 10px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--mj-line);}
.detail-nav .dn-item{flex:1 1 260px;min-width:0;background:var(--mj-light);
  border-radius:var(--mj-radius);padding:14px 18px;position:relative;transition:.28s;}
.detail-nav .dn-item:hover{background:var(--mj-green-l);}
.detail-nav .dn-pre{text-align:left;}
.detail-nav .dn-next{text-align:right;}
.detail-nav .dn-next .dn-label{color:var(--mj-coral);}
.detail-nav .dn-label{display:block;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--mj-green);font-weight:700;margin-bottom:6px;}
.detail-nav .dn-next .dn-label{color:var(--mj-coral);}
.detail-nav .dn-body{font-size:14px;line-height:1.7;overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.detail-nav .dn-body a{color:var(--mj-dark);transition:.22s;}
.detail-nav .dn-body a:hover{color:var(--mj-green);}
.detail-nav .dn-body:empty::after{content:attr(data-empty);color:var(--mj-gray-l);font-size:13px;}
.detail-nav .dn-back{flex:0 0 auto;display:flex;align-items:center;}
.detail-nav .dn-back a{display:inline-block;padding:0 26px;border:1.5px solid var(--mj-green);
  border-radius:30px;color:var(--mj-green);font-size:13px;font-weight:600;line-height:38px;
  transition:.28s;white-space:nowrap;}
.detail-nav .dn-back a:hover{background:var(--mj-green);color:#fff;box-shadow:0 5px 16px rgba(29,192,145,.3);}

/* ---------- 正文内容微调 ---------- */
.detail-wrap .detail-content p{margin:0 0 14px;}
.detail-wrap .detail-content img{display:block;margin:18px auto;}
.detail-wrap .detail-content table img{box-shadow:none;}
/* 正文章节包裹（原站 class 保留） */
.detail-content .w-detail{margin:0;}
.detail-content .w-detail .page{margin:0;}
/* 产品详情首图居中收窄，避免与规格表抢视觉 */
.w-detail img{max-width:420px;border-radius:var(--mj-radius);
  box-shadow:0 12px 30px rgba(0,0,0,.10);margin:0 auto 22px;}
.w-detail table.spec-table{margin-top:6px;}

/* ===========================================================
   响应式
   =========================================================== */
@media(max-width:1200px){
  .container{max-width:1000px;}
  .main-nav a{padding:24px 12px;font-size:14.5px;}
  .hero{max-height:520px;}
  .honor-grid{grid-template-columns:repeat(4,1fr);}
}

@media(max-width:992px){
  .container{max-width:760px;}
  .section{padding:60px 0;}
  .hero{max-height:440px;}
  .prod-grid,.case-grid{grid-template-columns:repeat(2,1fr);}
  .honor-grid{grid-template-columns:repeat(3,1fr);}
  .list-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .about-gallery{grid-template-columns:repeat(3,1fr);}
  .honor-gallery{grid-template-columns:repeat(3,1fr);}
  .showcase-grid{grid-template-columns:repeat(2,1fr);}
  .about .row,.contact .row{gap:36px;}
  .about .about-img::before{display:none;}
  .section-head .zh,.section-head .en{font-size:26px;}
  .page-banner .pb-text{flex:0 0 44%;padding:36px 28px 36px 24px;}
  .page-banner .pb-in h1{font-size:28px;}
}

@media(max-width:768px){
  .nav-toggle{display:flex;}
  .main-nav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    box-shadow:0 14px 26px rgba(0,0,0,.1);max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .main-nav.open{max-height:560px;}
  .main-nav a{padding:15px 22px;border-bottom:1px solid var(--mj-line);width:100%;}
  .main-nav a::after{display:none;}
  .brand .brand-txt span{display:none;}
  .brand img{height:40px;}
  .hero{max-height:340px;min-height:170px;margin-top:72px;}
  .prod-grid,.case-grid,.honor-grid,.list-grid{grid-template-columns:1fr;}
  .about-gallery,.honor-gallery{grid-template-columns:repeat(2,1fr);}
  .showcase-grid{grid-template-columns:1fr;}
  .about .row,.contact .row{flex-direction:column;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head .zh,.section-head .en{font-size:23px;}
  .page-banner{flex-direction:column;min-height:0;}
  .page-banner .pb-text{flex:none;padding:34px 24px 30px;}
  .page-banner .pb-text::after{display:none;}
  .page-banner .pb-media,.page-banner .pb-media img{min-height:0;height:180px;}
  .page-banner .pb-media img{object-position:center 55%;}
  .page-banner .pb-glow{width:100%;height:60px;top:auto;bottom:0;
    background:linear-gradient(180deg,rgba(15,47,38,0),rgba(15,47,38,.5));}
  .page-banner .pb-in h1{font-size:24px;}
  .about .about-text .stats{gap:18px;}
  .about .about-text .stats b{font-size:26px;}
  .about-gallery .about-shot{height:160px;}
  .honor-gallery .honor-cert{height:190px;}
  .honor-item img{height:170px;}
  .case-item img{height:200px;}
  .detail-wrap h1{font-size:21px;}
  .news-card{padding:16px;}
  .detail-nav{gap:12px;}
  .detail-nav .dn-item{flex:1 1 100%;}
  .detail-nav .dn-back{width:100%;}
  .detail-nav .dn-back a{width:100%;text-align:center;line-height:42px;}
}

@media(max-width:576px){
  .container{padding:0 16px;}
  .hero{max-height:250px;min-height:130px;}
  .section{padding:40px 0;}
  .section-head .zh,.section-head .en{font-size:20px;}
  .section-head .sub{letter-spacing:2px;font-size:11.5px;}
  .prod-card .pic{height:180px;}
  .news-card{flex-direction:column;gap:12px;}
  .news-card .date{width:100%;flex:none;display:flex;align-items:baseline;justify-content:center;gap:8px;padding:8px 0;}
  .news-card .date b{font-size:20px;}
  .about-gallery,.honor-gallery{grid-template-columns:1fr;}
  .about-gallery .about-shot{height:200px;}
  .about .about-text .stats{flex-direction:column;gap:14px;text-align:left;}
  .about .about-text .stats div{text-align:left;}
  .page-banner .pb-text{padding:26px 16px 24px;}
  .page-banner .pb-media,.page-banner .pb-media img{height:130px;}
  .page-banner .pb-in h1{font-size:20px;}
  .page-banner .pb-in p{font-size:11px;letter-spacing:1.6px;}
  .content table{font-size:13px;}
  .content table tr td:first-child{width:96px;}
  .content table td,.content table th{padding:9px 11px;}
  .detail-abs{padding:14px 16px;}
  .prod-showcase img{max-width:100%;}
  .site-footer .f-row{gap:26px;}
}