@charset "utf-8";
/* 液压支架立柱 · 河南合信矿山机械 —— 全站样式 */

:root{
  --paper:#f7f5f0;
  --card:#ffffff;
  --ink:#11161b;
  --ink2:#39434c;
  --mut:#727e88;
  --line:#ddd7cb;
  --line2:#eceae4;
  --red:#c8102e;
  --red-d:#9c0b23;
  --navy:#0d161d;
  --mono:"Consolas","SFMono-Regular","Courier New",monospace;
  --sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.78;font-size:15.5px;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{display:block;max-width:100%;height:auto;}
.wrap{max-width:1240px;margin:0 auto;padding:0 26px;}
.mono{font-family:var(--mono);}

/* ---------- 顶部条 ---------- */
.topline{background:var(--navy);color:#93a4b1;font-size:12.5px;letter-spacing:.2px;}
.topline .wrap{display:flex;align-items:center;justify-content:space-between;height:34px;gap:16px;}
.topline b{color:#e6eef5;font-weight:600;}
.topline a{color:#93a4b1;}
.topline a:hover{color:#fff;}
.topline .r{display:flex;gap:18px;}

/* ---------- 页头 ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.94);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line);}
.head-in{display:flex;align-items:center;gap:34px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand .mark{width:42px;height:42px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:-.5px;border-radius:3px;}
.brand b{display:block;font-size:17px;letter-spacing:.6px;line-height:1.3;}
.brand small{display:block;font-size:10px;letter-spacing:1.7px;color:var(--mut);font-family:var(--mono);}
nav.main{display:flex;gap:2px;margin-left:6px;flex:1;flex-wrap:wrap;}
nav.main a{font-size:14.2px;font-weight:600;color:var(--ink2);padding:8px 12px;position:relative;}
nav.main a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:.22s;}
nav.main a:hover::after,nav.main a.on::after{transform:scaleX(1);}
nav.main a:hover,nav.main a.on{color:var(--red);}
.head-tel{text-align:right;flex:none;}
.head-tel small{display:block;font-size:11px;color:var(--mut);letter-spacing:.5px;}
.head-tel b{font-family:var(--mono);font-size:20px;color:var(--red);letter-spacing:.4px;line-height:1.2;}
.burger{display:none;}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:620px;display:flex;align-items:flex-end;overflow:hidden;background:var(--navy);color:#fff;}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(6,12,17,.94) 0%,rgba(6,12,17,.78) 42%,rgba(6,12,17,.28) 74%,rgba(6,12,17,.5) 100%);}
.hero .wrap{position:relative;z-index:2;padding-top:76px;padding-bottom:0;width:100%;}
.hero-body{max-width:720px;padding-bottom:46px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;letter-spacing:2.4px;color:#ffb3bf;text-transform:uppercase;}
.eyebrow::before{content:"";width:30px;height:1px;background:#ffb3bf;}
h1{font-size:clamp(30px,4.1vw,50px);line-height:1.24;letter-spacing:.5px;margin:20px 0 18px;font-weight:800;}
h1 em{font-style:normal;color:#ff8b9c;}
.hero p.lead{font-size:15.6px;color:#ccd8e2;max-width:600px;margin-bottom:26px;}
.hero p.lead b{color:#fff;font-weight:700;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px;}
.chips li{font-family:var(--mono);font-size:12px;color:#dbe6ef;border:1px solid rgba(255,255,255,.22);padding:4px 10px;background:rgba(255,255,255,.05);}
.btns{display:flex;flex-wrap:wrap;gap:12px;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;font-weight:700;font-size:14.6px;border-radius:2px;transition:.2s;border:1px solid transparent;}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,16,46,.32);}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
/* 首屏底部数据带 */
.hero-stats{border-top:1px solid rgba(255,255,255,.16);display:grid;grid-template-columns:repeat(4,1fr);}
.hero-stats div{padding:18px 0 22px;border-right:1px solid rgba(255,255,255,.12);}
.hero-stats div:last-child{border-right:0;}
.hero-stats b{display:block;font-family:var(--mono);font-size:26px;color:#fff;line-height:1.2;}
.hero-stats b i{font-style:normal;font-size:15px;color:#ff8b9c;}
.hero-stats span{font-size:12.5px;color:#a9bac8;letter-spacing:.4px;}

/* 图号滚动带 */
.ticker{background:var(--ink);color:#9aa8b4;overflow:hidden;border-bottom:3px solid var(--red);}
.ticker-in{display:flex;gap:0;white-space:nowrap;animation:slide 46s linear infinite;font-family:var(--mono);font-size:12.5px;padding:10px 0;}
.ticker-in span{padding:0 22px;border-right:1px solid #2b333b;}
.ticker-in span b{color:#e8b3bb;font-weight:400;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@media (prefers-reduced-motion:reduce){.ticker-in{animation:none;}}

/* ---------- 通用节 ---------- */
section.blk{padding:82px 0;}
section.blk.alt{background:#fff;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
section.blk.dark{background:var(--navy);color:#dfe8ef;}
.sec-head{display:grid;grid-template-columns:112px minmax(0,1.34fr) minmax(0,.72fr);gap:28px;align-items:start;margin-bottom:44px;}
.sec-no{font-family:var(--mono);font-size:12px;letter-spacing:1.4px;color:var(--red);padding-top:9px;border-top:2px solid var(--red);white-space:nowrap;}
.sec-head h2{font-size:clamp(23px,2.5vw,32px);line-height:1.3;letter-spacing:.4px;}
.sec-head h2 em{font-style:normal;color:var(--red);}
.sec-head p{font-size:14.4px;color:var(--mut);padding-top:6px;}
.sec-head p b{color:var(--ink2);}
.dark .sec-head p{color:#9fb0bd;}

/* ---------- 类型卡 ---------- */
.types{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.tcard{background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;transition:.24s;position:relative;overflow:hidden;}
.tcard::before{content:"";position:absolute;left:0;top:0;width:0;height:3px;background:var(--red);transition:.3s;z-index:2;}
.tcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(17,22,27,.11);border-color:#cfc7b8;}
.tcard:hover::before{width:100%;}
.tcard .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:#e8e5de;}
.tcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.tcard:hover .ph img{transform:scale(1.05);}
.tcard .tag{position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:1px;padding:4px 10px;}
.tcard .bd{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.tcard h3{font-size:18px;letter-spacing:.3px;margin-bottom:4px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;}
.tcard h3 span{font-family:var(--mono);font-size:11.5px;color:var(--red);font-weight:400;letter-spacing:.5px;}
.tcard p{font-size:13.9px;color:var(--mut);line-height:1.75;margin-bottom:14px;}
.tcard .more{margin-top:auto;font-size:13px;font-weight:700;color:var(--red);display:inline-flex;align-items:center;gap:6px;}
.tcard .more::after{content:"→";transition:.2s;}
.tcard:hover .more::after{transform:translateX(4px);}

/* ---------- 规格表 ---------- */
.spec-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);gap:44px;align-items:start;}
table.data{width:100%;border-collapse:collapse;font-size:14.2px;background:#fff;}
table.data thead th{background:var(--navy);color:#dbe6ef;font-weight:600;font-size:12.6px;letter-spacing:.6px;padding:12px 14px;text-align:left;white-space:nowrap;}
table.data td{padding:12px 14px;border-bottom:1px solid var(--line2);vertical-align:top;}
table.data tbody tr:hover{background:#fbf8f2;}
table.data .no{font-family:var(--mono);font-weight:700;color:var(--red);white-space:nowrap;}
table.data .wt{font-family:var(--mono);color:var(--ink2);white-space:nowrap;}
table.data .sm{font-size:13.2px;color:var(--mut);}
.tbl-note{font-size:12.8px;color:var(--mut);margin-top:12px;line-height:1.7;}
.panel{background:#fff;border:1px solid var(--line);padding:26px 24px;}
.panel h3{font-size:15.5px;letter-spacing:.4px;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.panel h3::before{content:"";width:3px;height:15px;background:var(--red);}
.panel ul li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line2);font-size:13.6px;color:var(--mut);line-height:1.65;}
.panel ul li:last-child{border-bottom:0;padding-bottom:0;}
.panel code{font-family:var(--mono);color:var(--ink);font-size:12.8px;background:#f4f1ea;padding:2px 7px;white-space:nowrap;flex:none;height:fit-content;}

/* ---------- 主机厂铭牌 ---------- */
.oems{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.oem{display:block;background:#fff;border:1px solid var(--line);padding:16px 16px 14px;transition:.2s;position:relative;}
.oem:hover{border-color:var(--red);background:#fffaf7;}
.oem b{display:block;font-size:14.6px;letter-spacing:.2px;line-height:1.5;}
.oem span{display:block;font-family:var(--mono);font-size:11.5px;color:var(--mut);margin-top:3px;letter-spacing:.4px;}
.oem em{display:block;margin-top:9px;font-style:normal;font-family:var(--mono);font-size:11px;color:var(--red);letter-spacing:.3px;opacity:.7;transition:.2s;}
.oem:hover em{opacity:1;transform:translateX(2px);}
.oem.all{background:var(--navy);border-color:var(--navy);}
.oem.all b{color:#fff;}
.oem.all span{color:#8fa2b0;}
.oem.all em{color:#ff8f9f;opacity:1;}
.oem.all:hover{background:#0a1116;border-color:var(--red);}
.oem-note{margin-top:20px;padding:16px 20px;background:#fff;border-left:3px solid var(--red);font-size:13.6px;color:var(--ink2);}
.oem-note b{color:var(--red);}

/* 产品页底部：按主机厂查立柱 */
.oemstrip{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);}
.oemstrip span{font-family:var(--mono);font-size:11.5px;letter-spacing:.6px;color:var(--mut);margin-right:4px;}
.oemstrip a{font-size:13px;border:1px solid var(--line);background:#fff;padding:5px 12px;transition:.2s;}
.oemstrip a:hover{border-color:var(--red);color:var(--red);background:#fffaf7;}
.p-body .oemstrip{margin-bottom:64px;}

/* ---------- 车间实拍 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.gal{position:relative;overflow:hidden;background:#e8e5de;aspect-ratio:1/1;}
.gal:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto;}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.gal:hover img{transform:scale(1.06);}
.gal span{position:absolute;left:0;bottom:0;right:0;padding:22px 12px 8px;font-family:var(--mono);font-size:11px;color:#fff;letter-spacing:.6px;background:linear-gradient(transparent,rgba(0,0,0,.62));opacity:0;transition:.25s;}
.gal:hover span{opacity:1;}
.gal-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px;flex-wrap:wrap;}
.gal-foot p{font-size:13.4px;color:var(--mut);}

/* ---------- 工序 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink);}
.step{padding:26px 22px 6px;border-right:1px solid var(--line);position:relative;}
.step:last-child{border-right:0;}
.step .n{font-family:var(--mono);font-size:11.5px;letter-spacing:2px;color:var(--red);}
.step h3{font-size:16.5px;margin:10px 0 8px;}
.step p{font-size:13.5px;color:var(--mut);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
details.qa{border-bottom:1px solid var(--line);}
details.qa summary{list-style:none;cursor:pointer;padding:17px 40px 17px 0;font-size:15.2px;font-weight:600;position:relative;}
details.qa summary::-webkit-details-marker{display:none;}
details.qa summary::after{content:"+";position:absolute;right:8px;top:13px;font-family:var(--mono);font-size:20px;color:var(--red);font-weight:400;transition:.2s;}
details.qa[open] summary::after{content:"–";}
details.qa .a{padding:0 0 18px;font-size:14.1px;color:var(--mut);line-height:1.8;}
details.qa .a b{color:var(--ink2);}

/* ---------- 联系 ---------- */
.contact{background:var(--navy);color:#dfe8ef;position:relative;overflow:hidden;}
.contact::before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;background:radial-gradient(circle,rgba(200,16,46,.26),transparent 66%);}
.contact .wrap{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center;}
.contact h2{font-size:clamp(24px,2.9vw,36px);line-height:1.3;margin-bottom:16px;}
.contact h2 em{font-style:normal;color:#ff8b9c;}
.contact p{color:#a9bac8;font-size:14.4px;margin-bottom:10px;}
.contact .tel-box{border:1px solid rgba(255,255,255,.18);padding:28px 26px;background:rgba(255,255,255,.04);}
.contact .tel-box small{font-size:11.5px;letter-spacing:2px;color:#8fa2b0;font-family:var(--mono);}
.contact .tel-box a{display:block;font-family:var(--mono);font-size:clamp(26px,3.2vw,36px);color:#fff;letter-spacing:1px;margin:6px 0 16px;}
.contact .tel-box ul li{font-size:13.4px;color:#a9bac8;padding:7px 0;border-top:1px solid rgba(255,255,255,.1);}
.contact .tel-box ul li span{font-family:var(--mono);color:#dfe8ef;}

/* ---------- 页脚 ---------- */
footer.site{background:#080e13;color:#7b8b98;font-size:13px;padding:34px 0;}
footer.site .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;}
footer.site b{color:#c3d0da;font-weight:600;}
footer.site a:hover{color:#fff;}
.f-links{display:flex;gap:16px;flex-wrap:wrap;}
.f-links a{color:#7b8b98;}
.f-icp{padding-top:6px;}
#toTop{position:fixed;right:22px;bottom:26px;width:42px;height:42px;background:var(--ink);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:.25s;z-index:90;font-size:16px;border-radius:2px;}
#toTop.on{opacity:.92;pointer-events:auto;}
#toTop:hover{background:var(--red);}

/* ---------- 产品单页 ---------- */
.p-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
.p-hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center;padding-top:56px;padding-bottom:56px;}
.p-hero .crumb{font-size:12.5px;color:#8fa2b0;font-family:var(--mono);letter-spacing:.5px;margin-bottom:16px;}
.p-hero .crumb a:hover{color:#fff;}
.p-hero h1{font-size:clamp(26px,3.3vw,42px);margin:0 0 14px;}
.p-hero p{color:#bccbd7;font-size:14.8px;max-width:560px;}
.p-hero .chips{margin:22px 0 0;}
.p-hero figure{position:relative;border:1px solid rgba(255,255,255,.18);}
.p-hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.p-hero figcaption{position:absolute;left:0;bottom:0;background:rgba(8,14,19,.82);color:#cfdbe5;font-family:var(--mono);font-size:11px;padding:5px 10px;letter-spacing:.5px;}
.p-body{padding:64px 0 0;}
.p-cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);gap:48px;align-items:start;}
.p-cols h2{font-size:22px;margin:0 0 14px;letter-spacing:.3px;}
.p-cols h2:not(:first-child){margin-top:40px;}
.p-cols p{font-size:14.6px;color:var(--ink2);margin-bottom:12px;}
.p-cols p b{color:var(--ink);}
.p-cols ul.dot{margin:8px 0 18px;}
.p-cols ul.dot li{font-size:14.2px;color:var(--ink2);padding:6px 0 6px 20px;position:relative;}
.p-cols ul.dot li::before{content:"";position:absolute;left:2px;top:16px;width:6px;height:6px;background:var(--red);}
.side-card{background:#fff;border:1px solid var(--line);padding:24px;margin-bottom:16px;}
.side-card h3{font-size:14.6px;margin-bottom:12px;}
.side-card ul li{font-size:13.4px;color:var(--mut);padding:8px 0;border-bottom:1px dashed var(--line2);}
.side-card ul li:last-child{border-bottom:0;}
.side-card ul li b{color:var(--ink);font-family:var(--mono);}
.side-card ul li a{color:var(--ink2);transition:.2s;}
.side-card ul li a:hover{color:var(--red);}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px;}
.rel a{background:#fff;border:1px solid var(--line);padding:14px 16px;font-size:14px;font-weight:600;transition:.2s;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.rel a:hover{border-color:var(--red);color:var(--red);}
.rel a::after{content:"→";color:var(--red);font-weight:400;}
.p-cta{margin-top:56px;background:var(--ink);color:#fff;padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.p-cta b{font-size:19px;letter-spacing:.3px;}
.p-cta span{display:block;font-size:13.4px;color:#9aa8b4;margin-top:4px;}

/* ---------- 相册页 ---------- */
.album{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px;}
.album figure{background:#fff;border:1px solid var(--line);}
.album img{width:100%;aspect-ratio:3/4;object-fit:cover;background:#e8e5de;}
.album figcaption{font-family:var(--mono);font-size:11.5px;color:var(--mut);padding:8px 10px;border-top:1px solid var(--line2);}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .sec-head{grid-template-columns:96px minmax(0,1fr);}
  .sec-head p{grid-column:2;padding-top:0;}
  .types{grid-template-columns:repeat(2,1fr);}
  .oems{grid-template-columns:repeat(3,1fr);}
  .gallery,.album{grid-template-columns:repeat(3,1fr);}
  .spec-grid,.p-cols,.contact .wrap,.p-hero .wrap{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:0;}
  .step{border-bottom:1px solid var(--line);}
}
@media (max-width:860px){
  .topline .r{display:none;}
  .topline .wrap{justify-content:center;height:32px;overflow:hidden;}
  .topline span{font-size:11.6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  nav.main{display:none;position:absolute;left:0;right:0;top:74px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 14px;box-shadow:0 16px 30px rgba(17,22,27,.12);}
  nav.main.open{display:flex;}
  nav.main a{padding:11px 6px;border-bottom:1px solid var(--line2);}
  nav.main a::after{display:none;}
  .burger{display:grid;place-items:center;width:40px;height:40px;margin-left:auto;border:1px solid var(--line);background:#fff;cursor:pointer;flex:none;}
  .burger i{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
  .burger i::before{top:-6px;}.burger i::after{top:6px;}
  .head-tel{display:none;}
  .head-in{gap:14px;}
  .hero{min-height:520px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stats div:nth-child(2){border-right:0;}
  .hero-stats div:nth-child(1),.hero-stats div:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  section.blk{padding:56px 0;}
  .rel{grid-template-columns:1fr;}
  .p-cta{padding:26px 22px;}
}
@media (max-width:620px){
  .wrap{padding:0 16px;}
  body{font-size:15px;}
  .types{grid-template-columns:1fr;}
  .oems{grid-template-columns:repeat(2,1fr);}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gal:first-child{grid-column:span 2;grid-row:span 1;aspect-ratio:4/3;}
  .album{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;}
  .sec-head{grid-template-columns:1fr;gap:10px;margin-bottom:30px;}
  .sec-head p{grid-column:1;}
  .hero-body{padding-bottom:34px;}
  .chips li{font-size:11.4px;}
  .contact .tel-box{padding:22px 18px;}
  .spec-grid{gap:26px;}
  /* 小屏表格：允许表头换行，避免整页被表格撑宽 */
  table.data{font-size:12.8px;table-layout:fixed;}
  table.data th:nth-child(1),table.data td:nth-child(1){width:19%;}
  table.data th:nth-child(2),table.data td:nth-child(2){width:31%;}
  table.data th:nth-child(3),table.data td:nth-child(3){width:30%;}
  table.data th:nth-child(4),table.data td:nth-child(4){width:20%;}
  table.data thead th{white-space:normal;word-break:break-word;font-size:11.6px;}
  table.data thead th,table.data td{padding:9px 7px;word-break:break-word;}
  table.data .no,table.data .wt{white-space:normal;}
}