:root{
  --c-primary: #ef4444;
  --c-primary-dark: #ef4444;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
/* ============================================
   磐爆凿岩科技 ROCKBLAST · 凿岩破碎装备
   爆破红 #ef4444 × 钛灰 #8b9099 × 炭黑 #111214
   深色硬核工业风 · 斜切板块 · 警示条纹 · 直角卡片
   ============================================ */
:root{
  --bg:#111214;          /* 炭黑背景 */
  --panel:#1a1c1f;       /* 面板 */
  --panel-2:#16181b;     /* 次级面板 */
  --c-primary:#ef4444;         /* 爆破红 */
  --red-d:#b91c1c;       /* 深处红 */
  --titan:#8b9099;       /* 钛灰 */
  --title:#f2f3f5;       /* 标题近白 */
  --body:#b4b8bf;        /* 正文 */
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.05);
  --sans:"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--body);line-height:1.75;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--title);line-height:1.25}

/* 图片暗角融入（深色站） */
.pcard figure,.ncard figure,.about-fig,.hero-fig,.nfeat figure,.map-ph{position:relative;overflow:hidden}
.pcard figure::after,.ncard figure::after,.about-fig::after,.hero-fig::after,.nfeat figure::after{
  content:"";position:absolute;inset:0;box-shadow:inset 0 0 70px rgba(0,0,0,.6);pointer-events:none}
.pcard img,.ncard img,.about-fig img,.hero-fig img,.nfeat img,.map-ph img{
  border:1px solid var(--line-2);filter:contrast(1.03) brightness(.94)}

/* ---------- Header ---------- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(17,18,20,.92);backdrop-filter:blur(8px);
  border-bottom:2px solid var(--red)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px}
.logo-svg{flex:none}
.logo-txt b{display:block;font-size:21px;letter-spacing:3px;color:var(--title);font-weight:800}
.logo-txt i{display:block;font-style:normal;font-size:10px;color:var(--titan);letter-spacing:4px}
.nav{display:flex;gap:4px}
.nav a{padding:10px 18px;color:var(--body);font-size:15px;letter-spacing:1px;border-bottom:2px solid transparent;transition:.2s}
.nav a:hover{color:var(--title)}
.nav a.active{color:var(--red);border-bottom-color:var(--red);font-weight:700}
.burger{display:none;background:var(--panel);border:1px solid var(--red);color:var(--red);
  width:44px;height:40px;font-size:20px;cursor:pointer;line-height:1}

/* ---------- 通用按钮（直角） ---------- */
.btn{display:inline-block;padding:14px 38px;font-size:15px;letter-spacing:2px;font-weight:700;
  cursor:pointer;border:0;transition:.22s;font-family:var(--sans)}
.btn-main{background:var(--red);color:#fff}
.btn-main:hover{background:var(--red-d);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--red);color:var(--title);background:transparent}
.btn-ghost:hover{background:var(--red);color:#fff}

/* ---------- Hero（深色 + 冲击波纹理） ---------- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 82% 32%,rgba(239,68,68,.20),transparent 40%),
    radial-gradient(circle at 82% 32%,transparent 28%,rgba(239,68,68,.07) 30%,transparent 32%),
    radial-gradient(circle at 82% 32%,transparent 40%,rgba(239,68,68,.05) 42%,transparent 44%),
    var(--bg)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
  padding-top:74px;padding-bottom:84px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--panel);
  border:1px solid var(--red);color:var(--red);padding:6px 16px;font-size:12px;
  letter-spacing:3px;margin-bottom:22px}
.hero-tag::before{content:"";width:8px;height:8px;background:var(--red);transform:rotate(45deg)}
.hero h1{font-size:46px;font-weight:900;letter-spacing:1px;margin-bottom:20px;line-height:1.2}
.hero h1 em{font-style:normal;color:var(--red)}
.hero p{color:var(--body);font-size:16px;max-width:500px;margin-bottom:34px}
.hero-fig img{width:100%;height:430px;object-fit:cover;
  clip-path:polygon(0 0,100% 0,100% 86%,86% 100%,0 100%)}
.hero-fig::before{content:"";position:absolute;left:-14px;bottom:18px;width:60%;height:8px;
  background:var(--red);z-index:3}
.hero-medal{position:absolute;left:-22px;bottom:30px;background:var(--panel);
  border:1px solid var(--red);padding:14px 22px;z-index:4;
  clip-path:polygon(0 0,100% 0,100% 100%,8% 100%,0 70%)}
.hero-medal b{display:block;font-size:23px;color:var(--red);font-weight:900;letter-spacing:1px}
.hero-medal span{font-size:11.5px;color:var(--titan);letter-spacing:1px}
.hero-nums{display:flex;gap:46px;margin-top:42px}
.hero-nums div b{font-size:32px;font-weight:900;color:var(--title)}
.hero-nums div b i{font-style:normal;font-size:17px;color:var(--red);font-weight:700}
.hero-nums div span{display:block;font-size:12.5px;color:var(--titan);letter-spacing:1px;margin-top:2px}

/* ---------- 通用节 ---------- */
.sec{padding:88px 0}
.sec-alt{background:var(--panel-2);position:relative}
.sec-alt::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:repeating-linear-gradient(45deg,var(--red) 0 12px,transparent 12px 24px)}
.sec-head{text-align:center;margin-bottom:54px}
.sec-head i{display:block;font-style:normal;color:var(--red);font-size:13px;
  letter-spacing:6px;margin-bottom:10px;font-weight:700}
.sec-head h2{font-size:33px;font-weight:900;letter-spacing:3px}
.sec-head h2::after{content:"";display:block;width:60px;height:4px;background:var(--red);
  margin:16px auto 0;transform:skewX(-20deg)}
.sec-head p{color:var(--titan);margin-top:14px;font-size:14.5px}

/* ---------- 关于预览 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:58px;align-items:center}
.about-fig img{width:100%;height:410px;object-fit:cover;
  clip-path:polygon(0 0,100% 0,100% 100%,0 100%,0 0)}
.about-fig::before{content:"";position:absolute;right:-16px;top:18px;bottom:18px;width:6px;background:var(--red);z-index:3}
.about-txt i{font-style:normal;color:var(--red);font-size:13px;letter-spacing:6px;font-weight:700}
.about-txt h2{font-size:30px;margin:12px 0 20px;font-weight:900;letter-spacing:1px}
.about-txt p{color:var(--body);margin-bottom:14px}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 32px}
.about-feats div{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--title)}
.about-feats svg{flex:none}

/* ---------- 产品 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:var(--panel);border:1px solid var(--line);transition:.3s;overflow:hidden;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--red);transform:translateY(-5px)}
.pcard figure{height:236px}
.pcard img{width:100%;height:100%;object-fit:cover;transition:.5s}
.pcard:hover img{transform:scale(1.06)}
.pcard .pbody{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;
  border-top:3px solid var(--red)}
.pcard .ptag{font-size:11px;color:var(--titan);letter-spacing:3px;font-weight:700}
.pcard h3{font-size:18px;margin:6px 0 8px;font-weight:800}
.pcard p{color:var(--body);font-size:13.5px;margin-bottom:14px}
.pcard .plink{margin-top:auto;color:var(--red);font-size:13.5px;letter-spacing:1px;font-weight:700}
.pcard .plink::after{content:" →";transition:.2s}
.pcard:hover .plink::after{padding-left:6px}

/* ---------- 工艺 / 优势（SVG 图标） ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fcard{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--red);
  padding:34px 24px 30px;text-align:center;position:relative;transition:.3s}
.fcard:hover{transform:translateY(-4px);border-color:var(--red)}
.fcard b.num{position:absolute;top:10px;right:16px;font-size:46px;font-weight:900;
  color:transparent;-webkit-text-stroke:1.5px rgba(139,144,153,.35)}
.fcard .ico{width:60px;height:60px;margin:0 auto 16px;background:var(--bg);
  border:1px solid var(--red);display:flex;align-items:center;justify-content:center;
  clip-path:polygon(12% 0,100% 0,88% 100%,0 100%)}
.fcard h3{font-size:17px;margin-bottom:10px;font-weight:800}
.fcard p{color:var(--body);font-size:13px}

/* ---------- 数据带（斜切 + 警示条纹） ---------- */
.band{background:var(--red);color:#fff;padding:78px 0;position:relative;
  clip-path:polygon(0 20px,100% 0,100% calc(100% - 20px),0 100%)}
.band::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(45deg,#111214 0 12px,var(--red) 12px 24px)}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.band b{font-size:46px;font-weight:900;letter-spacing:1px}
.band b i{font-style:normal;font-size:20px;font-weight:700;color:#ffd9d9}
.band span{display:block;font-size:13px;color:#ffe2e2;letter-spacing:2px;margin-top:6px}

/* ---------- 新闻 ---------- */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.ncard:hover{border-color:var(--red);transform:translateY(-4px)}
.ncard figure{height:200px;overflow:hidden}
.ncard img{width:100%;height:100%;object-fit:cover;transition:.5s}
.ncard:hover img{transform:scale(1.05)}
.ncard .nbody{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.ncard time{font-size:12px;color:var(--red);letter-spacing:2px;font-weight:700}
.ncard h3{font-size:16.5px;margin:8px 0 10px;line-height:1.5;font-weight:800}
.ncard:hover h3{color:var(--red)}
.ncard p{color:var(--body);font-size:13px}

/* ---------- CTA（警示条纹顶边） ---------- */
.cta{background:var(--panel);position:relative;padding:0}
.cta::before{content:"";display:block;height:6px;
  background:repeating-linear-gradient(45deg,var(--red) 0 14px,#111214 14px 28px)}
.cta .wrap{padding:66px 24px;text-align:center}
.cta h2{font-size:29px;font-weight:900;letter-spacing:2px;margin-bottom:12px}
.cta p{color:var(--body);margin-bottom:30px}

/* ---------- Footer ---------- */
.ftr{background:var(--panel-2);color:var(--body);padding:64px 0 0;border-top:2px solid var(--red)}
.ftr .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.ftr h4{color:var(--title);font-size:15px;letter-spacing:2px;margin-bottom:18px;font-weight:800}
.ftr .fabout p{font-size:13px;margin-top:14px;line-height:1.9;color:var(--titan)}
.ftr ul{list-style:none}
.ftr ul li{margin-bottom:10px}
.ftr ul a{font-size:13.5px;color:var(--body);transition:.2s}
.ftr ul a:hover{color:var(--red)}
.ftr .fcontact li{font-size:13.5px;margin-bottom:12px;display:flex;gap:8px;color:var(--titan)}
.copy{border-top:1px solid var(--line);padding:22px 0;text-align:center;font-size:12.5px;color:var(--titan)}

/* ---------- 内页页头 ---------- */
.phead{background:linear-gradient(120deg,var(--panel) 0%,var(--red-d) 135%);
  color:#fff;padding:78px 0 98px;position:relative;
  clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 26px))}
.phead h1{font-size:36px;font-weight:900;letter-spacing:4px}
.phead .crumb{margin-top:12px;font-size:13px;color:#f3c9c9}
.phead .crumb a{color:#ffd9d9}
.phead .crumb a:hover{text-decoration:underline}

/* ---------- 关于页 ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.vcard{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--red);
  padding:36px 30px;transition:.3s}
.vcard:hover{transform:translateY(-4px);border-color:var(--red)}
.vcard h3{font-size:18px;margin:14px 0 10px;font-weight:800}
.vcard p{color:var(--body);font-size:13.5px}
.timeline{max-width:780px;margin:0 auto;position:relative;padding-left:38px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:repeating-linear-gradient(var(--red) 0 8px,transparent 8px 16px)}
.tl-item{position:relative;padding-bottom:38px}
.tl-item::before{content:"";position:absolute;left:-34px;top:6px;width:12px;height:12px;
  background:var(--red);transform:rotate(45deg);border:2px solid var(--titan)}
.tl-item b{color:var(--red);font-size:20px;font-weight:900;letter-spacing:1px}
.tl-item h3{font-size:16px;margin:6px 0;font-weight:800}
.tl-item p{color:var(--body);font-size:13.5px}

/* ---------- 产品页筛选 ---------- */
.pfilter{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:46px}
.pfilter button{border:1px solid var(--line);background:var(--panel);color:var(--body);
  padding:9px 26px;font-size:14px;letter-spacing:1px;cursor:pointer;transition:.25s;
  font-family:var(--sans);font-weight:700}
.pfilter button:hover{border-color:var(--red);color:var(--title)}
.pfilter button.on{background:var(--red);border-color:var(--red);color:#fff}

/* ---------- 新闻页 ---------- */
.nfeat{display:grid;grid-template-columns:1.15fr 1fr;gap:0;align-items:stretch;
  background:var(--panel);border:1px solid var(--line);margin-bottom:46px}
.nfeat figure{height:auto;min-height:340px}
.nfeat img{width:100%;height:100%;object-fit:cover}
.nfeat .nfbody{padding:40px 42px;display:flex;flex-direction:column;justify-content:center;
  border-left:3px solid var(--red)}
.nfeat time{color:var(--red);font-size:12.5px;letter-spacing:2px;font-weight:700}
.nfeat h2{font-size:24px;margin:10px 0 14px;line-height:1.5;font-weight:900}
.nfeat p{color:var(--body);font-size:14px;margin-bottom:22px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:40px;align-items:start}
.cinfo .icard{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--red);
  padding:22px 26px;margin-bottom:16px;display:flex;gap:16px;align-items:flex-start;transition:.25s}
.cinfo .icard:hover{border-color:var(--red)}
.cinfo .icard .ic{width:44px;height:44px;flex:none;background:var(--bg);
  border:1px solid var(--red);display:flex;align-items:center;justify-content:center;
  clip-path:polygon(12% 0,100% 0,88% 100%,0 100%)}
.cinfo .icard b{display:block;font-size:15px;color:var(--title);margin-bottom:4px;font-weight:800}
.cinfo .icard span{color:var(--body);font-size:13.5px;line-height:1.6}
.cform{background:var(--panel);border:1px solid var(--line);padding:38px 40px}
.cform h3{font-size:20px;font-weight:800;margin-bottom:6px}
.cform>p{color:var(--titan);font-size:13.5px;margin-bottom:24px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cform label{display:block;margin-bottom:16px;font-size:13.5px;color:var(--title);font-weight:600}
.cform label b{color:var(--red)}
.cform input,.cform textarea{width:100%;margin-top:7px;border:1px solid var(--line);
  background:var(--bg);padding:11px 14px;font-size:14px;font-family:var(--sans);
  color:var(--title);outline:none;transition:.2s}
.cform input:focus,.cform textarea:focus{border-color:var(--red)}
.cform textarea{resize:vertical;min-height:120px}
.form-note{display:none;margin-top:14px;padding:12px 16px;background:rgba(239,68,68,.12);
  border:1px solid var(--red);color:#ffd9d9;font-size:13.5px}
.map-ph{margin-top:56px;position:relative;overflow:hidden;border:1px solid var(--line)}
.map-ph img{width:100%;height:300px;object-fit:cover;filter:brightness(.7) saturate(.4)}
.map-ph .map-tag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:rgba(17,18,20,.92);border:1px solid var(--red);padding:14px 30px;text-align:center}
.map-ph .map-tag b{color:var(--red);font-weight:900;letter-spacing:2px}
.map-ph .map-tag span{display:block;font-size:12.5px;color:var(--titan);margin-top:4px}

/* ---------- 响应式（窄屏斜切退化为直角） ---------- */
@media(max-width:960px){
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--panel);
    flex-direction:column;padding:12px 24px;border-bottom:2px solid var(--red)}
  .nav.open{display:flex}
  .nav a{border-bottom:none;padding:12px 4px}
  .burger{display:block}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-fig img{height:320px}
  .about-grid,.contact-grid,.nfeat{grid-template-columns:1fr}
  .nfeat .nfbody{border-left:none;border-top:3px solid var(--red);padding:30px}
  .nfeat figure{min-height:240px}
  .pgrid,.ngrid,.values{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .band .wrap{grid-template-columns:1fr 1fr;gap:32px}
  .ftr .cols{grid-template-columns:1fr 1fr}
  .hero-fig,.about-fig,.band,.phead,.hero-fig::before,.about-fig::before,
  .fcard .ico,.cinfo .icard .ic,.sec-alt::before,.cta::before,.band::before{clip-path:none}
  .sec-alt::before,.cta::before,.band::before{height:5px}
}
@media(max-width:640px){
  .pgrid,.ngrid,.values,.flow,.frow,.about-feats{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .hero-nums{flex-wrap:wrap;gap:24px}
  .band .wrap{grid-template-columns:1fr 1fr}
  .sec{padding:60px 0}
  .cform{padding:28px 22px}
  .hero-medal{left:0}
  .hero-fig img{height:260px}
}

/* ===== 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;}