/* ==========================================================================
   Kamel Abrasives — visual refresh layer
   2026-11-06 · 叠加在 css.css / style.css 之后，只覆盖视觉，不改 DOM 结构
   回滚：删除 header.php 中引入本文件的那一行即可（模板本身未改）
   ========================================================================== */

:root{
  --kam-brand:#BC4F1A;
  --kam-brand-d:#9C4115;
  --kam-brand-s:#FBEEE7;
  --kam-ink:#0D1F2D;
  --kam-ink-2:#1B3242;
  --kam-body:#4A5663;
  --kam-muted:#6B7784;
  --kam-line:#E3E7EC;
  --kam-bg:#F7F8FA;

  /* 覆盖主题令牌：主色由系统蓝改为品牌橙 */
  --color:#BC4F1A;
  --hovercolor:#0D1F2D;
  --introcolor:#4A5663;
  --fontcolor:#0D1F2D;
}

/* ---------- 基础排版 ---------- */
body{
  color:var(--kam-ink);
  -webkit-font-smoothing:antialiased;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
a{-webkit-tap-highlight-color:transparent}

/* 键盘可见焦点（原站 outline:0 且无替代） */
a:focus-visible,button:focus-visible,input:focus-visible,
.pro-item a:focus-visible,.cat a:focus-visible{
  outline:2px solid var(--kam-brand);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- 顶栏 / 导航 ---------- */
.head-top{background:var(--kam-ink);height:40px}
.head-top a,.head-top .top-left i{color:rgba(255,255,255,.78)}
.head-top a:hover{color:#fff}

.head{background:rgba(255,255,255,.97);border-bottom:1px solid var(--kam-line);height:72px}
.head .head-nav .topnav>li>a{
  font-size:14px;font-weight:500;letter-spacing:.02em;color:#2A3A48;
}
.head .head-nav .topnav>li>a:hover{color:var(--kam-brand)}

/* 顶部 CTA（若模板存在 .more-btn 之外的搜索区，仅调搜索框） */
.search-wrap input{border-radius:4px;border:1px solid rgba(255,255,255,.18);height:28px}

/* ---------- 区块节奏：统一 72px，替换原有的 10/15/20/30/45/50 混用 ---------- */
.pro,.adv,.news{padding-top:72px;padding-bottom:72px}
.cate{padding:0}
.cate-list{gap:16px}

/* 区块标题：左对齐 + 细分隔，替代居中 30px 大字 */
.common-title{
  text-align:left;
  font-size:26px;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--kam-ink);
  margin:0 auto;
  max-width:1200px;
  padding:0 24px 14px;
  box-sizing:border-box;
  border-bottom:1px solid var(--kam-line);
  text-transform:none;
}
.pro>.common-title,.news>.common-title{width:100%;max-width:1200px}

/* ---------- 产品区 ---------- */
.pro{background:var(--kam-bg)}
.pro .pro-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin:32px auto 0;
  justify-content:normal;
  align-items:stretch;
}
.pro .pro-item{
  width:auto;
  margin:0;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--kam-line);
  border-radius:4px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
/* 取消原站 hover 时 -18px 的位移（整排会抖） */
.pro .pro-item:hover{
  margin-bottom:0;
  border-color:#C9D1D9;
  box-shadow:0 12px 26px -18px rgba(13,31,45,.3);
  transform:translateY(-2px);
  z-index:1;
}
/* 图片容器由 1:1 改为 4:3，直接消掉上下各 16% 空白 */
.pro .pro-img:after{padding-top:75%}
.pro .pro-img img{transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.pro .pro-item:hover .pro-img img{transform:scale(1.04)}

.pro .pro-info{
  padding:14px 14px 0;
  border-top:1px solid #F1F3F5;
  flex:1;
  display:flex;
  flex-direction:column;
}
.pro .pro-name{
  font-size:15px;
  line-height:1.4;
  color:var(--kam-ink);
  margin-bottom:8px;
  min-height:2.8em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pro .pro-info article{
  font-size:13px;
  line-height:1.6;
  color:var(--kam-muted);
  -webkit-line-clamp:2;
}
/* 按钮：保留原 hover 出现逻辑（改结构风险高），仅统一品牌色与圆角 */
.pro .pro-item .pro-btn{
  background:var(--kam-brand);
  border-radius:4px;
  font-size:12.5px;
  letter-spacing:.02em;
}
.pro .pro-item:hover .pro-btn{background:var(--kam-brand-d);color:#fff!important}

.pro .more-btn{
  background:var(--kam-brand);
  border-radius:4px;
  font-weight:600;
  letter-spacing:.02em;
}
.pro .more-btn:hover{background:var(--kam-brand-d)}

/* ---------- 案例带 ---------- */
.cate .cate-item{border-radius:4px;overflow:hidden;background:#fff;border:1px solid var(--kam-line)}
.cate .cate-name{font-size:14px!important;font-weight:600;color:var(--kam-ink)}
.cate .cate-btn{color:var(--kam-brand);font-size:12.5px!important;font-weight:600}

/* ---------- 优势区：Bento 重排（纯 CSS，不动 DOM） ---------- */
.adv{background:#fff}
.adv .advance-list{width:100%}
.adv .advance-list .common-wrapper{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(238px,1fr));
  gap:16px;
  width:100%;
  max-width:1200px;
  margin:32px auto 0;
}
.adv .adv-item{
  width:auto;
  padding:24px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--kam-line);
  border-radius:4px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.adv .adv-item:hover{
  border-color:#C9D1D9;
  box-shadow:0 14px 30px -20px rgba(13,31,45,.32);
  transform:translateY(-2px);
}
.adv .adv-item img{
  width:44px;height:44px;
  margin-bottom:14px;
  padding:8px;
  box-sizing:border-box;
  background:var(--kam-brand-s);
  border-radius:4px;
  object-fit:contain;
}
.adv .adv-t{
  font-size:15px;
  font-weight:600;
  color:var(--kam-ink);
  line-height:1.35;
  margin-bottom:6px;
  text-align:left;
}
.adv .adv-item article{
  font-size:13px;
  line-height:1.6;
  color:var(--kam-body);
  text-align:left;
  -webkit-line-clamp:3;
}

/* 第一项做 Bento 主卡（2×2 深色） */
.adv .adv-item:first-child{
  grid-column:span 2;
  grid-row:span 2;
  background:var(--kam-ink);
  border-color:transparent;
  padding:28px;
  justify-content:center;
}
.adv .adv-item:first-child img{
  width:48px;height:48px;
  background:rgba(188,79,26,.2);
}
.adv .adv-item:first-child .adv-t{
  color:#fff;
  font-size:22px;
  letter-spacing:-.015em;
  line-height:1.25;
  margin-bottom:10px;
}
.adv .adv-item:first-child article{
  color:rgba(255,255,255,.72);
  font-size:13.5px;
  -webkit-line-clamp:4;
}

/* ---------- About ---------- */
.about{background:var(--kam-bg)}
.about .about-title{
  font-size:26px;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--kam-ink);
  text-transform:none;
}
.about .con-wrap article{color:var(--kam-body);line-height:1.75}
.about .more-btn{background:var(--kam-brand);border-radius:4px}
.about .more-btn:hover{background:var(--kam-brand-d)}
.about .about-img img{border-radius:4px}

/* ---------- 数字带：5 项一行 ---------- */
.about-list{background:var(--kam-ink-2)}
.about-list .common-wrapper{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  flex-wrap:nowrap;
}
.about-list .about-item{
  width:auto;
  padding:0 20px;
  border-left:1px solid rgba(255,255,255,.12);
  justify-content:flex-start;
  margin-bottom:0;
}
.about-list .about-item:first-child{padding-left:0;border-left:none}
.about-list .about-num{
  color:#fff;
  font-size:28px;
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.1;
}
.about-list .about-text{
  color:rgba(255,255,255,.58);
  font-size:11.5px;
  letter-spacing:.07em;
  line-height:1.35;
  margin-top:4px;
}

/* ---------- 新闻 ---------- */
.news{background:#fff}
.news .news-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:32px;
}
.news .news-item{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--kam-line);
  border-radius:4px;
  overflow:hidden;
  transition:border-color .2s ease,transform .2s ease;
}
.news .news-item:hover{border-color:#C9D1D9;transform:translateY(-2px)}
.news .news-img img{aspect-ratio:16/10;object-fit:cover;width:100%}
.news .news-date{
  background:var(--kam-brand);
  border-radius:3px;
  font-size:11px;
  padding:3px 8px;
}
.news .news-title{
  font-size:14.5px;
  font-weight:600;
  line-height:1.45;
  color:var(--kam-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:2.9em;
}
.news .news-info article{font-size:12.5px;color:var(--kam-muted);line-height:1.6}
.news .news-more{color:var(--kam-brand);font-weight:600;font-size:12.5px}

/* ---------- 页脚 ---------- */
.foot{background:var(--kam-ink)}
.foot-l .foot-u li a{font-size:13.5px;opacity:.72}
.foot-l .foot-u li a:hover{opacity:1;color:#fff}
.foot-title{font-size:12px;letter-spacing:.14em}

/* ---------- 轮播控件可见性（原 opacity .5 几乎看不见） ---------- */
.slideBox .prev,.slideBox .next{opacity:.85}
.slideBox .prev:hover,.slideBox .next:hover{opacity:1}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .pro,.adv,.news{padding-top:56px;padding-bottom:56px}
  .pro .pro-list{grid-template-columns:repeat(3,1fr);gap:16px}
  .news .news-list{grid-template-columns:repeat(2,1fr)}
  .about-list .common-wrapper{grid-template-columns:repeat(3,1fr);row-gap:20px}
  .about-list .about-item:nth-child(4){padding-left:0;border-left:none}
  .common-title{font-size:23px}
}
@media (max-width:640px){
  .pro,.adv,.news{padding-top:40px;padding-bottom:40px}
  .pro .pro-list{grid-template-columns:repeat(2,1fr);gap:12px}
  .pro .pro-info{padding:10px 10px 0}
  .pro .pro-name{font-size:13.5px;margin-bottom:6px}
  .pro .pro-info article{font-size:12px}
  .news .news-list{grid-template-columns:1fr}
  .about-list .common-wrapper{grid-template-columns:repeat(2,1fr);row-gap:16px}
  .about-list .about-item:nth-child(odd){padding-left:0;border-left:none}
  .about-list .about-num{font-size:22px}
  .adv .advance-list .common-wrapper{grid-template-columns:1fr;gap:8px}
  /* 窄屏主卡回归单列，横排图标+文字 */
  .adv .adv-item:first-child{grid-column:span 1;grid-row:span 1;padding:22px}
  .adv .adv-item:first-child .adv-t{font-size:19px}
  .adv .adv-item{padding:18px}
  .common-title{font-size:21px;padding-bottom:12px}
}

/* ==========================================================================
   Banner 文字层（配合 index.php 的 .kam-hero）
   图片由后台轮播，文字层固定；深色渐变压掉原图烧死的文字
   ========================================================================== */
.slideBox{position:relative}
.kam-hero{
  position:absolute;inset:0;z-index:4;
  display:flex;align-items:center;
  background:linear-gradient(100deg,
    rgba(13,31,45,.97) 0%,
    rgba(13,31,45,.95) 30%,
    rgba(13,31,45,.88) 55%,
    rgba(13,31,45,.80) 100%);
  pointer-events:none;
}
.kam-hero-in{
  position:relative;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
  pointer-events:auto;
}
.kam-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:#F2A87F;margin-bottom:18px;
}
.kam-eyebrow::before{content:"";width:24px;height:2px;background:#BC4F1A}
.kam-h1{
  font-size:clamp(30px,3.4vw,48px);
  line-height:1.08;
  letter-spacing:-.024em;
  font-weight:700;
  color:#fff;
  margin:0 0 16px;
  max-width:18ch;
}
.kam-sub{
  font-size:16px;
  line-height:1.6;
  color:rgba(255,255,255,.78);
  max-width:46ch;
  margin:0 0 28px;
}
.kam-cta{display:flex;gap:12px;flex-wrap:wrap}
.kam-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:4px;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:background .2s,border-color .2s;
}
.kam-btn-solid{background:#BC4F1A;color:#fff}
.kam-btn-solid:hover{background:#9C4115;color:#fff}
.kam-btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff!important;background:rgba(255,255,255,.07)}
.kam-btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.18);color:#fff!important}
/* 轮播控件要浮在遮罩之上 */
.slideBox .prev,.slideBox .next{z-index:8;opacity:.95;filter:drop-shadow(0 1px 3px rgba(0,0,0,.45))}
.slideBox .prev:hover,.slideBox .next:hover{opacity:1}
.slideBox .hd{z-index:6;position:relative}

/* 数字带第 5 项：静态插入项排到最后 */
.about-list .kam-item-export{order:9}
.about-list .kam-item-export .about-num::after{content:"+"}

@media (max-width:1024px){
  .kam-h1{font-size:30px}
  .kam-sub{font-size:14px;margin-bottom:20px}
}
@media (max-width:640px){
  .slideBox{min-height:280px}
  .slideBox .bd ul li img{height:280px;object-fit:cover;width:100%}
  .kam-hero{align-items:flex-start;padding:26px 0}
  .kam-eyebrow{display:none}
  .kam-h1{font-size:23px;max-width:14ch;margin-bottom:10px}
  .kam-sub{display:none}
  .kam-cta{gap:8px}
  .kam-btn{padding:9px 14px;font-size:12.5px}
  .about-list .about-item{padding:0 12px}
}

/* ---------- 分类页 / 内页收尾 ---------- */
/* 面包屑：原来是白底方块贴在 banner 图片上，改为深色半透明条 */
.bPosition{
  background:rgba(13,31,45,.82)!important;
  padding:8px 16px!important;
  border-radius:0 4px 4px 0;
}
.bPosition,.bPosition a,.bPosition span{
  color:rgba(255,255,255,.88)!important;
  font-size:13px!important;
}
.bPosition a:hover{color:#fff!important;text-decoration:underline}

/* 侧栏搜索按钮统一到品牌色 */
.side-search .search-btn{background:var(--kam-brand)!important}
.side-search input{border:1px solid var(--kam-line)!important;border-radius:3px 0 0 3px!important}

/* 侧栏分类标题块跟随主色（原本硬编码蓝色） */
.side-search+.common-title,.side-cate .common-title{background:var(--kam-brand)}