:root{
  --c-primary: #f8c894;
  --c-primary-dark: #f8c894;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
/* ===== 铆蓝机械 DenimForge 牛仔工装布主题 ===== */
:root{
  --denim:#3e5c76;        /* 主色 丹宁蓝 */
  --denim-dark:#2f4763;   /* 丹宁蓝深调/悬停 */
  --stitch:#e0731d;
  --stitch-ink:#a04f10;   /* 缝线橙深调-浅底文字用 */       /* 强调 缝线橙 */
  --wash:#eef3f7;         /* 底色 靛洗白 */
  --light:#dce6ee;        /* 丹宁蓝浅调 */
  --ink:#26394a;          /* 深字 */
  --white:#ffffff;
  --maxw:1200px;
  --r:4px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--wash);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== 顶栏 ===== */
.hdr{
  position:sticky;top:0;z-index:50;
  background:var(--wash);
  border-bottom:2px dashed var(--stitch);
}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}
.logo svg{flex:none}
.logo .lt{display:flex;flex-direction:column;line-height:1.1}
.logo .lt b{font-size:18px;color:var(--denim)}
.logo .lt small{font-size:10px;letter-spacing:2px;color:var(--stitch-ink);font-weight:700}
.nav{display:flex;gap:4px}
.nav a{
  padding:9px 16px;font-weight:600;color:var(--ink);
  border:1px solid transparent;border-radius:var(--r);position:relative;transition:.2s;
}
.nav a:hover{color:var(--denim)}
.nav a.active{color:var(--white);background:var(--denim)}
.nav a.active::after{
  content:"";position:absolute;inset:3px;border:1.5px dashed var(--stitch);border-radius:3px;pointer-events:none;
}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:var(--denim);border-radius:2px;transition:.2s}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== 通用区块标题 ===== */
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;
  color:var(--stitch-ink);text-transform:uppercase;margin-bottom:14px;
  padding-bottom:6px;position:relative;
}
.eyebrow::after{content:"";position:absolute;left:0;bottom:0;width:46px;height:0;border-top:2px dashed var(--stitch)}
.sec{padding:84px 0}
.sec h2{font-size:34px;line-height:1.25;color:var(--denim);margin-bottom:16px;font-weight:800}
.sec .lead{font-size:16px;max-width:760px;color:var(--ink)}
.sec .lead.light{color:var(--wash)}

/* ===== 50/50 全宽分屏 ===== */
.split{display:flex;align-items:stretch;min-height:80vh;width:100%}
.split>div{flex:1 1 50%;display:flex;flex-direction:column;justify-content:center}
.split .s-text{padding:9vh 6%}
.split .s-text .eyebrow{color:var(--stitch-ink)}
.split .s-text h2{font-size:40px;line-height:1.2;margin-bottom:18px;font-weight:800}
.split .s-text p{font-size:16px;margin-bottom:14px;max-width:520px}
.split .s-img{overflow:hidden;position:relative}
.split .s-img img{width:100%;height:100%;object-fit:cover;min-height:50vh}
.split.rev{flex-direction:row-reverse}
.split.bg-wash{background:var(--wash)}
.split.bg-wash .s-text h2{color:var(--denim)}
.split.bg-light{background:var(--light)}
.split.bg-light .s-text h2{color:var(--denim)}
.split.bg-deep{background:var(--denim);color:var(--wash)}
.split.bg-deep .s-text h2{color:var(--white)}
.split.bg-deep .s-text p{color:var(--wash)}
.split.bg-deep .s-text .eyebrow{color:#f8c894}
/* 分屏内图片侧缝线框 */
.split .s-img::after{
  content:"";position:absolute;inset:10px;border:2px dashed var(--stitch);
  pointer-events:none;opacity:.85;
}
/* 分屏内小标题前铆钉点 */
.split .s-text h2::before{
  content:"";display:inline-block;width:10px;height:10px;border-radius:50%;
  background:var(--stitch);margin-right:12px;vertical-align:middle;
  box-shadow:0 0 0 3px rgba(224,115,29,.22);
}

/* ===== 按钮：牛仔布标签 ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  margin-top:10px;padding:13px 28px;
  background:var(--denim);color:var(--white);font-weight:700;font-size:15px;
  border:0;border-radius:var(--r);cursor:pointer;position:relative;
  transition:.2s;
}
.btn::after{content:"";position:absolute;inset:4px;border:2px dashed var(--stitch);border-radius:3px;pointer-events:none}
.btn::before{
  content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--stitch);
  left:6px;top:6px;
  box-shadow:calc(100% - 12px) 0 0 var(--stitch),0 calc(100% - 12px) 0 var(--stitch),calc(100% - 12px) calc(100% - 12px) 0 var(--stitch);
}
.btn:hover{background:var(--denim-dark)}
.btn.ghost{background:var(--white);color:var(--denim)}
.btn.ghost::after{border-color:var(--stitch)}
.btn.on-orange{background:var(--white);color:var(--denim)}

/* ===== 卡片：缝线 + 铆钉 ===== */
.card{
  position:relative;background:var(--white);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 6px 18px rgba(38,57,74,.08);
}
.card::after{content:"";position:absolute;inset:5px;border:2px dashed var(--stitch);border-radius:3px;pointer-events:none}
.card::before{
  content:"";position:absolute;top:9px;left:9px;width:5px;height:5px;border-radius:50%;background:var(--denim);z-index:2;
  box-shadow:calc(100% + 1px) 0 0 var(--denim),0 calc(100% + 1px) 0 var(--denim),calc(100% + 1px) calc(100% + 1px) 0 var(--denim);
}
.card .body{padding:22px 22px 26px;position:relative;z-index:1}
.card .tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--stitch-ink);
  border:1.5px dashed var(--stitch);border-radius:20px;padding:2px 12px;margin-bottom:10px;
}
.card h3{font-size:19px;color:var(--denim);margin-bottom:8px;font-weight:800}
.card p{font-size:14px;color:var(--ink)}
.card img{width:100%;height:200px;object-fit:cover}

/* 网格 */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* ===== 优势数据带 ===== */
.stats{background:var(--denim);color:var(--wash);padding:64px 0}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .num{font-size:46px;font-weight:900;color:var(--stitch-ink);line-height:1}
.stats .num small{font-size:20px}
.stats .lab{margin-top:10px;font-size:14px;letter-spacing:1px;color:var(--wash)}
.stats .item{position:relative}
.stats .item:not(:last-child)::after{
  content:"";position:absolute;right:-12px;top:10%;height:80%;border-left:2px dashed rgba(224,115,29,.5);
}

/* ===== 页头（内页） ===== */
.phead{background:var(--light);border-bottom:2px dashed var(--stitch);padding:54px 0}
.phead .crumb{font-size:13px;color:var(--denim);margin-bottom:10px}
.phead .crumb a:hover{color:var(--stitch-ink)}
.phead h1{font-size:38px;color:var(--denim);font-weight:800}
.phead .eyebrow{color:var(--stitch-ink)}

/* ===== 产品筛选 ===== */
.pfilter{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.pfilter button{
  padding:10px 22px;background:var(--white);border:1px solid var(--light);
  color:var(--ink);font-weight:700;font-size:14px;border-radius:var(--r);cursor:pointer;position:relative;transition:.2s;
}
.pfilter button::after{content:"";position:absolute;inset:3px;border:1.5px dashed transparent;border-radius:3px;pointer-events:none}
.pfilter button:hover{border-color:var(--denim)}
.pfilter button.on{background:var(--denim);color:var(--white);border-color:var(--denim)}
.pfilter button.on::after{border-color:var(--stitch)}

/* ===== 新闻列表 ===== */
.newsrow{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:30px}
.newscard{display:flex;gap:18px;background:var(--white);border-radius:var(--r);overflow:hidden;position:relative;box-shadow:0 6px 18px rgba(38,57,74,.08)}
.newscard::after{content:"";position:absolute;inset:5px;border:2px dashed var(--stitch);border-radius:3px;pointer-events:none}
.newscard img{width:160px;height:140px;object-fit:cover;flex:none}
.newscard .b{padding:18px 18px 18px 0;position:relative;z-index:1}
.newscard .date{font-size:12px;color:var(--stitch-ink);font-weight:700}
.newscard h3{font-size:17px;color:var(--denim);margin:6px 0}
.newscard p{font-size:13px;color:var(--ink)}
.newslist{margin-top:34px;border-top:2px dashed var(--stitch)}
.newslist li{list-style:none;display:flex;gap:16px;align-items:baseline;padding:16px 4px;border-bottom:1px dashed var(--light)}
.newslist .d{color:var(--stitch-ink);font-weight:700;font-size:13px;flex:none;width:96px}
.newslist a{font-weight:600;color:var(--ink)}
.newslist a:hover{color:var(--denim)}

/* ===== 关于页 ===== */
.timeline{position:relative;margin-top:30px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;border-left:2px dashed var(--stitch)}
.timeline .it{position:relative;margin-bottom:26px}
.timeline .it::before{content:"";position:absolute;left:-23px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--denim);box-shadow:0 0 0 3px rgba(62,92,118,.2)}
.timeline .yr{font-weight:800;color:var(--stitch-ink);font-size:15px}
.timeline h4{color:var(--denim);font-size:18px;margin:2px 0 4px}
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.spec .card .body{text-align:center}
.spec .card h3{font-size:16px}
.qual{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.qual span{background:var(--white);border:1.5px dashed var(--stitch);color:var(--denim);font-weight:700;padding:10px 18px;border-radius:20px}

/* ===== 联系页 ===== */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;align-items:start}
.cinfo .card .body{padding:26px}
.cinfo .row{display:flex;gap:12px;margin-bottom:14px}
.cinfo .row b{color:var(--denim);min-width:64px;flex:none}
.form .field{margin-bottom:16px;position:relative}
.form label{display:block;font-weight:700;color:var(--denim);margin-bottom:6px;font-size:14px}
.form input,.form textarea,.form select{
  width:100%;padding:12px 14px;border:1px solid var(--light);border-radius:var(--r);
  font:inherit;background:var(--white);color:var(--ink);
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--denim);box-shadow:0 0 0 3px rgba(62,92,118,.15)}
.form textarea{resize:vertical;min-height:120px}

/* ===== CTA ===== */
.cta{background:var(--stitch);color:var(--white);text-align:center;padding:70px 0}
.cta h2{font-size:32px;font-weight:900;color:var(--white);margin-bottom:10px}
.cta p{font-weight:600;margin-bottom:8px}
.cta .btn{background:var(--white);color:var(--denim);align-self:center}
.cta .btn::after{border-color:var(--stitch)}
.cta .btn:hover{background:var(--wash)}

/* ===== 页脚 ===== */
.ftr{background:var(--ink);color:var(--wash);padding:56px 0 0}
.ftr .grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:30px}
.ftr h4{color:var(--white);font-size:16px;margin-bottom:14px;position:relative;padding-bottom:8px}
.ftr h4::after{content:"";position:absolute;left:0;bottom:0;width:40px;border-top:2px dashed var(--stitch)}
.ftr a{display:block;color:var(--light);padding:4px 0;font-size:14px}
.ftr a:hover{color:#f8c894}
.ftr p{font-size:14px;color:var(--light)}
.ftr .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--white);margin-bottom:12px}
.ftr .brand small{font-size:10px;letter-spacing:2px;color:#f8c894}
.ftr .bottom{border-top:2px dashed rgba(224,115,29,.5);margin-top:40px;padding:18px 0;text-align:center;font-size:13px;color:var(--light)}

/* ===== 响应式：断点 960 / 640 ===== */
@media(max-width:960px){
  .nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--wash);border-bottom:2px dashed var(--stitch);
    display:none;padding:8px 0;
  }
  .nav.open{display:flex}
  .nav a{padding:13px 24px;border-radius:0}
  .nav a.active::after{inset:auto}
  .burger{display:flex}
  .split{flex-direction:column;min-height:auto}
  .split.rev{flex-direction:column-reverse}
  .split .s-text{padding:54px 26px}
  .split .s-img img{min-height:42vh}
  .grid-4,.stats .grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2,.newsrow,.contact{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr 1fr}
  .sec{padding:60px 0}
}
@media(max-width:640px){
  body{font-size:14px}
  .wrap{padding:0 16px}
  .sec h2,.split .s-text h2{font-size:28px}
  .phead h1{font-size:28px}
  .grid-4,.stats .grid,.spec{grid-template-columns:1fr}
  .stats .item:not(:last-child)::after{display:none}
  .newscard{flex-direction:column}
  .newscard img{width:100%;height:170px}
  .newscard .b{padding:0 18px 18px}
  .ftr .grid{grid-template-columns:1fr}
  .logo .lt b{font-size:16px}
}

/* ===== CMS 共享：列表 / 详情 / 分页 / 表单 ===== */
.cms-page{padding:72px 0;}
.cms-page .container{max-width:1200px;margin:0 auto;padding:0 20px;}
.cms-page .cms-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:8px;}
.cms-page .cms-subtitle{text-align:center;color:#888;margin-bottom:36px;}
.cms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;}
.cms-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(0,0,0,.07);transition:.25s;text-decoration:none;color:inherit;}
.cms-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12);}
.cms-card img{width:100%;height:200px;object-fit:cover;display:block;}
.cms-card h3{margin:0;padding:18px 18px 4px;font-size:18px;}
.cms-card p{padding:0 18px 18px;color:#777;font-size:14px;margin:0;}
.cms-detail{max-width:860px;margin:0 auto;padding:0 20px;}
.cms-detail img{max-width:100%;border-radius:14px;margin:18px 0;}
.cms-detail h1{font-size:34px;margin:10px 0 6px;}
.cms-detail .lead{color:#888;font-size:16px;}
.cms-content{line-height:1.9;color:#444;margin-top:18px;}
.cms-content img{max-width:100%;}
.cms-back{display:inline-block;margin:8px 0 18px;color:var(--c-primary,#e11d2e);text-decoration:none;font-weight:600;}
.cms-pager{margin:34px 0;text-align:center;}
.cms-pager a,.cms-pager span{padding:8px 14px;margin:0 3px;border-radius:8px;background:#fff;color:#444;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.cms-pager .active{background:var(--c-primary,#e11d2e);color:#fff;}
.contact-form{max-width:640px;margin:18px auto 0;display:grid;gap:14px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 14px;border:1px solid #e3e3e3;border-radius:10px;font-size:15px;font-family:inherit;}
.contact-form textarea{min-height:120px;resize:vertical;}
.btn-primary{background:var(--c-primary,#e11d2e);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:none;cursor:pointer;}
.form-alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;}
.form-alert-ok{background:#eafaf0;color:#1c7a43;}
.form-alert-err{background:#fdecea;color:#b42318;}
.form-alert-err ul{margin:6px 0 0;padding-left:18px;}
.ve-editable-bg{cursor:pointer;}