/* ============================================================
   保定潘斯机械设备制造有限公司 — 官网静态站
   工业蓝 / 钢灰 主题  |  纯静态，无外部依赖
   ============================================================ */

:root{
    --blue:#0b4f9c;
    --blue-d:#073a76;
    --blue-l:#1769c4;
    --steel:#2b3645;
    --steel-d:#1a2230;
    --orange:#ff6a13;
    --orange-d:#e85a06;
    --line:#e4e8ee;
    --bg:#f5f7fa;
    --txt:#2c3440;
    --txt-soft:#6a7585;
    --white:#ffffff;
    --radius:6px;
    --shadow:0 6px 24px rgba(20,40,70,.08);
    --shadow-h:0 14px 36px rgba(11,79,156,.18);
    --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
    color:var(--txt);
    background:var(--bg);
    line-height:1.7;
    font-size:15px;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.clearfix::after{content:"";display:block;clear:both}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--steel-d);color:#aeb8c6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#aeb8c6}
.topbar a:hover{color:#fff}
.topbar .tb-right span{margin-left:18px}
.topbar .tb-right i{color:var(--orange);font-style:normal}

/* ---------- 头部 / Logo ---------- */
.header{background:var(--white);box-shadow:0 1px 0 var(--line);position:sticky;top:0;z-index:50}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;align-items:center;gap:14px}
.logo .mark{
    width:52px;height:52px;border-radius:8px;flex:none;
    background:linear-gradient(135deg,var(--blue),var(--blue-l));
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(11,79,156,.35);
}
.logo .mark svg{width:30px;height:30px}
.logo .lt b{display:block;font-size:21px;color:var(--steel-d);letter-spacing:1px;line-height:1.25}
.logo .lt span{font-size:12px;color:var(--txt-soft);letter-spacing:3px;text-transform:uppercase}
.logo .lt em{color:var(--blue);font-style:normal}

.head-tel{display:flex;align-items:center;gap:12px}
.head-tel .ico{
    width:42px;height:42px;border-radius:50%;border:2px solid var(--blue);
    display:flex;align-items:center;justify-content:center;color:var(--blue);
}
.head-tel .ico svg{width:20px;height:20px}
.head-tel .ht-t{font-size:12px;color:var(--txt-soft);line-height:1.3}
.head-tel .ht-t b{display:block;font-size:23px;color:var(--orange);font-family:Arial;letter-spacing:.5px}

/* ---------- 主导航 ---------- */
.nav{background:linear-gradient(90deg,var(--blue),var(--blue-l));position:sticky;top:84px;z-index:49}
.nav .wrap{display:flex;align-items:center;justify-content:space-between}
.nav ul{display:flex}
.nav li{position:relative}
.nav li>a{
    display:block;color:#eaf2fb;padding:0 26px;line-height:54px;font-size:16px;font-weight:500;
    position:relative;
}
.nav li>a::after{
    content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;background:var(--orange);
    transform:translateX(-50%);transition:.3s;
}
.nav li>a:hover,.nav li.active>a{background:rgba(0,0,0,.12);color:#fff}
.nav li>a:hover::after,.nav li.active>a::after{width:60%}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;padding:0 6px}
.nav .nav-slogan{color:rgba(255,255,255,.85);font-size:13px;letter-spacing:1px}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section.alt{background:var(--white)}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head .en{
    font-size:13px;letter-spacing:4px;color:var(--blue-l);text-transform:uppercase;font-weight:700;opacity:.65
}
.sec-head h2{font-size:30px;color:var(--steel-d);margin:6px 0 14px;font-weight:700}
.sec-head h2 em{color:var(--blue);font-style:normal}
.sec-head .line{width:54px;height:3px;background:var(--orange);margin:0 auto}
.sec-head p{color:var(--txt-soft);max-width:680px;margin:14px auto 0;font-size:14.5px}

.btn{
    display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:30px;
    background:var(--orange);color:#fff;font-size:15px;font-weight:600;cursor:pointer;border:0;
    box-shadow:0 8px 20px rgba(255,106,19,.3);
}
.btn:hover{background:var(--orange-d);transform:translateY(-2px)}
.btn.ghost{background:transparent;border:2px solid #fff;color:#fff;box-shadow:none}
.btn.ghost:hover{background:#fff;color:var(--blue)}
.btn.blue{background:var(--blue);box-shadow:0 8px 20px rgba(11,79,156,.3)}
.btn.blue:hover{background:var(--blue-d)}

/* ============================================================
   首页 — Hero
   ============================================================ */
.hero{
    position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden;
    background:
        radial-gradient(900px 600px at 80% -10%,rgba(23,105,196,.55),transparent 60%),
        linear-gradient(120deg,var(--steel-d) 0%,#10243e 45%,var(--blue-d) 100%);
}
.hero::before{
    content:"";position:absolute;inset:0;opacity:.10;
    background-image:
        linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
    background-size:46px 46px;
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero .badge{
    display:inline-block;background:rgba(255,106,19,.15);border:1px solid rgba(255,106,19,.5);
    color:#ffb483;padding:6px 16px;border-radius:20px;font-size:13px;letter-spacing:1px;margin-bottom:22px
}
.hero h1{font-size:46px;line-height:1.25;font-weight:800;letter-spacing:1px}
.hero h1 em{color:var(--orange);font-style:normal}
.hero .sub{font-size:18px;color:#c4d2e4;margin:20px 0 14px;font-weight:300}
.hero .feat{display:flex;gap:26px;margin:26px 0 34px;flex-wrap:wrap}
.hero .feat span{display:flex;align-items:center;gap:8px;color:#dbe6f3;font-size:14.5px}
.hero .feat svg{width:18px;height:18px;color:var(--orange)}
.hero .cta{display:flex;gap:16px;flex-wrap:wrap}

/* Hero 右侧机械插图卡 */
.hero-card{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;
    padding:30px;backdrop-filter:blur(4px);
}
.hero-card .machine{width:100%;height:auto;display:block;filter:drop-shadow(0 12px 24px rgba(0,0,0,.35))}
.hero-card .hc-stats{display:flex;justify-content:space-between;margin-top:24px;text-align:center}
.hero-card .hc-stats b{display:block;font-size:26px;color:var(--orange);font-family:Arial}
.hero-card .hc-stats span{font-size:12px;color:#b9c6d8}

/* ---------- 数据条 ---------- */
.stats{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 14px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{font-size:38px;color:var(--blue);font-family:Arial;font-weight:800;line-height:1}
.stat b i{font-size:18px;font-style:normal;color:var(--orange)}
.stat span{display:block;margin-top:8px;color:var(--txt-soft);font-size:14px}

/* ============================================================
   产品卡片网格
   ============================================================ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#cfe0f3}
.prod-card .pic{
    height:190px;background:linear-gradient(135deg,#eef3f9,#dde7f2);
    display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.prod-card .pic svg{width:120px;height:120px;color:var(--blue);opacity:.85;transition:.4s}
.prod-card:hover .pic svg{transform:scale(1.08);opacity:1}
.prod-card .pic .tag{
    position:absolute;top:12px;left:12px;background:var(--blue);color:#fff;font-size:12px;
    padding:3px 12px;border-radius:3px;letter-spacing:1px
}
.prod-card .pb{padding:22px;flex:1;display:flex;flex-direction:column}
.prod-card h3{font-size:18px;color:var(--steel-d);margin-bottom:8px}
.prod-card p{color:var(--txt-soft);font-size:14px;flex:1}
.prod-card .more{
    margin-top:16px;color:var(--blue);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px
}
.prod-card:hover .more{gap:11px;color:var(--orange)}

/* ============================================================
   关于 / 为什么选择我们
   ============================================================ */
.about-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-vis{
    border-radius:12px;overflow:hidden;background:linear-gradient(135deg,var(--blue),var(--steel-d));
    padding:46px;color:#fff;position:relative;box-shadow:var(--shadow-h)
}
.about-vis svg{width:100%;height:auto;opacity:.95}
.about-vis .ribbon{
    position:absolute;right:-1px;top:24px;background:var(--orange);padding:8px 20px;font-weight:700;
    border-radius:6px 0 0 6px
}
.about-txt .en{font-size:13px;letter-spacing:4px;color:var(--blue-l);font-weight:700;opacity:.65}
.about-txt h2{font-size:30px;color:var(--steel-d);margin:6px 0 18px}
.about-txt h2 em{color:var(--blue);font-style:normal}
.about-txt p{color:var(--txt-soft);margin-bottom:16px;font-size:15px}
.about-pts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0 28px}
.about-pts li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.about-pts svg{width:20px;height:20px;color:var(--orange);flex:none;margin-top:2px}

/* 优势四宫格 */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-card{
    background:var(--white);border-radius:var(--radius);padding:32px 24px;text-align:center;
    border:1px solid var(--line);transition:.3s;box-shadow:var(--shadow)
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.why-card .ic{
    width:64px;height:64px;border-radius:14px;margin:0 auto 18px;
    background:linear-gradient(135deg,#e9f1fb,#d4e4f7);
    display:flex;align-items:center;justify-content:center;color:var(--blue)
}
.why-card:hover .ic{background:linear-gradient(135deg,var(--blue),var(--blue-l));color:#fff}
.why-card .ic svg{width:30px;height:30px}
.why-card h4{font-size:17px;color:var(--steel-d);margin-bottom:8px}
.why-card p{font-size:13.5px;color:var(--txt-soft)}

/* ============================================================
   行业应用
   ============================================================ */
.apps{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.app{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 10px;text-align:center;transition:.3s
}
.app:hover{background:var(--blue);color:#fff;transform:translateY(-4px)}
.app svg{width:34px;height:34px;color:var(--blue);margin:0 auto 10px}
.app:hover svg{color:#fff}
.app span{font-size:14px;display:block}

/* ============================================================
   新闻
   ============================================================ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.news-card .nh{padding:20px 22px;display:flex;gap:18px;align-items:flex-start}
.news-card .date{
    flex:none;width:64px;text-align:center;border-right:2px solid var(--line);padding-right:14px
}
.news-card .date b{font-size:30px;color:var(--blue);font-family:Arial;line-height:1}
.news-card .date span{font-size:12px;color:var(--txt-soft)}
.news-card .nt h4{font-size:16px;color:var(--steel-d);margin-bottom:6px;line-height:1.5}
.news-card:hover .nt h4{color:var(--blue)}
.news-card .nt p{font-size:13.5px;color:var(--txt-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .nf{border-top:1px solid var(--line);padding:12px 22px;font-size:13px;color:var(--txt-soft);display:flex;justify-content:space-between}
.news-card .nf .r{color:var(--blue)}

/* ============================================================
   CTA 横幅
   ============================================================ */
.cta-band{
    background:linear-gradient(120deg,var(--blue-d),var(--blue-l));color:#fff;text-align:center;padding:54px 0
}
.cta-band h2{font-size:30px;margin-bottom:10px}
.cta-band p{color:#cfe0f5;margin-bottom:26px;font-size:16px}
.cta-band .ph{font-size:34px;font-weight:800;font-family:Arial;color:#fff;margin-bottom:24px}
.cta-band .ph em{color:var(--orange);font-style:normal}

/* ============================================================
   页脚
   ============================================================ */
.footer{background:var(--steel-d);color:#9aa6b6;padding:54px 0 0;font-size:14px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer h5{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer h5::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--orange)}
.footer .fa b{color:#fff;font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer .fa b svg{width:26px;height:26px;color:var(--blue-l)}
.footer .fa p{line-height:1.9}
.footer .fl li{margin-bottom:10px}
.footer .fl a:hover{color:#fff;padding-left:4px}
.footer .fc li{margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer .fc svg{width:18px;height:18px;color:var(--orange);flex:none;margin-top:3px}
.footer .qr{width:118px;height:118px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--steel);text-align:center;font-size:12px;padding:8px}
.footer .copy{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px;color:#7c889a}
.footer .copy .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer .copy a:hover{color:#fff}

/* ============================================================
   内页 — 子页头 / 面包屑
   ============================================================ */
.pagehead{
    position:relative;color:#fff;text-align:center;padding:70px 0;overflow:hidden;
    background:
        radial-gradient(700px 400px at 75% 0,rgba(23,105,196,.5),transparent 60%),
        linear-gradient(120deg,var(--steel-d),#10243e);
}
.pagehead::before{
    content:"";position:absolute;inset:0;opacity:.08;
    background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
    background-size:42px 42px
}
.pagehead .wrap{position:relative;z-index:2}
.pagehead h1{font-size:36px;font-weight:800;letter-spacing:2px}
.pagehead .en{font-size:13px;letter-spacing:5px;color:#9bc0ec;text-transform:uppercase;margin-top:8px}
.crumb{background:var(--white);border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;height:50px;font-size:13.5px;color:var(--txt-soft)}
.crumb a:hover{color:var(--blue)}
.crumb svg{width:15px;height:15px;margin:0 8px;color:#b8c2d0}
.crumb .cur{color:var(--blue)}

/* ---------- 内容排版 ---------- */
.content{padding:56px 0}
.content-grid{display:grid;grid-template-columns:1fr 290px;gap:40px;align-items:start}
.article{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px 42px}
.article h2{font-size:25px;color:var(--steel-d);margin:0 0 8px}
.article .meta{color:var(--txt-soft);font-size:13px;border-bottom:1px dashed var(--line);padding-bottom:16px;margin-bottom:24px}
.article h3{font-size:19px;color:var(--blue);margin:30px 0 12px;padding-left:14px;border-left:4px solid var(--orange)}
.article p{margin-bottom:16px;color:#444;font-size:15px}
.article ul.dot{margin:0 0 18px;padding-left:4px}
.article ul.dot li{position:relative;padding-left:22px;margin-bottom:10px;color:#444}
.article ul.dot li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--orange)}

/* 侧栏 */
.aside{position:sticky;top:160px}
.aside .box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:24px;overflow:hidden}
.aside .box-h{background:var(--blue);color:#fff;padding:16px 20px;font-size:17px;font-weight:600;display:flex;align-items:center;gap:8px}
.aside .box-h svg{width:20px;height:20px}
.aside .cat-list a{display:flex;align-items:center;gap:10px;padding:13px 20px;border-bottom:1px solid var(--line);color:var(--txt);font-size:14.5px}
.aside .cat-list a:last-child{border-bottom:0}
.aside .cat-list a:hover,.aside .cat-list a.on{background:#f0f6fd;color:var(--blue);padding-left:26px}
.aside .cat-list a svg{width:16px;height:16px;color:var(--blue-l)}
.aside .ct-box{padding:22px 20px}
.aside .ct-box p{font-size:14px;margin-bottom:10px;color:var(--txt-soft);display:flex;gap:8px;align-items:flex-start}
.aside .ct-box p svg{width:17px;height:17px;color:var(--orange);flex:none;margin-top:3px}
.aside .ct-box .big{font-size:24px;color:var(--orange);font-family:Arial;font-weight:800;margin:4px 0 14px}

/* ---------- 产品详情卡（products 页） ---------- */
.pdetail{display:grid;grid-template-columns:340px 1fr;gap:30px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:30px}
.pdetail .pd-pic{background:linear-gradient(135deg,#eef3f9,#dbe6f2);display:flex;align-items:center;justify-content:center;padding:30px}
.pdetail .pd-pic svg{width:180px;height:180px;color:var(--blue)}
.pdetail .pd-b{padding:30px 34px 30px 0}
.pdetail .pd-b .tag{display:inline-block;background:#eaf2fc;color:var(--blue);font-size:12px;padding:4px 12px;border-radius:3px;margin-bottom:12px;font-weight:600}
.pdetail .pd-b h3{font-size:23px;color:var(--steel-d);margin-bottom:12px}
.pdetail .pd-b p{color:var(--txt-soft);font-size:14.5px;margin-bottom:16px}
.pdetail .specs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.pdetail .specs span{background:#f3f6fa;border:1px solid var(--line);border-radius:4px;padding:6px 14px;font-size:13px;color:#455}
.pdetail .specs span i{color:var(--blue);font-style:normal;font-weight:700}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.contact-info .ci{display:flex;gap:18px;padding:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px;transition:.3s}
.contact-info .ci:hover{box-shadow:var(--shadow);border-color:#cfe0f3}
.contact-info .ci .ic{width:54px;height:54px;border-radius:12px;flex:none;background:linear-gradient(135deg,var(--blue),var(--blue-l));display:flex;align-items:center;justify-content:center;color:#fff}
.contact-info .ci .ic svg{width:26px;height:26px}
.contact-info .ci h4{font-size:16px;color:var(--steel-d);margin-bottom:4px}
.contact-info .ci p{color:var(--txt-soft);font-size:14.5px}
.contact-info .ci p b{color:var(--orange);font-family:Arial;font-size:19px}
.map-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.map-box .mp{height:100%;min-height:380px;border-radius:4px;background:
    repeating-linear-gradient(45deg,#eef2f7,#eef2f7 12px,#e6ecf3 12px,#e6ecf3 24px);
    display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--txt-soft);text-align:center}
.map-box .mp svg{width:54px;height:54px;color:var(--blue);margin-bottom:12px}

.formcard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.formcard h3{font-size:20px;color:var(--steel-d);margin-bottom:6px}
.formcard .sm{color:var(--txt-soft);font-size:13.5px;margin-bottom:22px}
.formcard .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.formcard label{display:block;font-size:13.5px;color:#455;margin:0 0 6px}
.formcard input,.formcard textarea{width:100%;border:1px solid var(--line);border-radius:5px;padding:11px 14px;font-size:14px;font-family:inherit;margin-bottom:16px;background:#fafbfc;transition:.2s}
.formcard input:focus,.formcard textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(11,79,156,.08)}
.formcard textarea{resize:vertical;min-height:110px}

/* ---------- 公司简介页特殊 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:10px}
.honor{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center;transition:.3s}
.honor:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.honor .ic{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#fff3e9,#ffe2cc);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--orange)}
.honor .ic svg{width:28px;height:28px}
.honor h4{font-size:15px;color:var(--steel-d)}

.timeline{position:relative;padding-left:30px;margin-top:10px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline li{position:relative;padding:0 0 26px 24px}
.timeline li::before{content:"";position:absolute;left:-30px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 2px var(--blue)}
.timeline li b{color:var(--orange);font-family:Arial;font-size:18px;margin-right:12px}
.timeline li span{color:#444}

/* ============================================================
   真实图片接入（webp）
   ============================================================ */
.logo img.logo-img{height:46px;width:auto;display:block}
.footer .fa img.footer-logo{height:38px;width:auto;display:block;margin-bottom:16px}
@media(max-width:680px){.logo img.logo-img{height:38px}}
.prod-card .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:12px;display:block}
.prod-card:hover .pic img{transform:scale(1.05);transition:.5s}
/* 产品详情图：完整展示整机，不裁切 */
.pdetail .pd-pic{padding:24px;overflow:hidden;min-height:260px;align-items:center;justify-content:center}
.pdetail .pd-pic img{width:100%;height:auto;max-height:320px;object-fit:contain;display:block;margin:auto}
.hero-card img.machine{width:100%;height:auto;border-radius:8px;display:block;object-fit:cover;box-shadow:0 12px 24px rgba(0,0,0,.35)}
.about-vis.photo{padding:0;overflow:hidden}
.about-vis.photo img{width:100%;height:100%;min-height:300px;object-fit:cover;display:block}
.about-vis.photo .ribbon{z-index:2}
.qr-box{text-align:center}
.qr-box img{width:140px;height:140px;border-radius:8px;background:#fff;padding:6px;display:block;margin:0 auto}
.footer .qr img{width:100%;height:100%;object-fit:contain;border-radius:6px}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:980px){
    .hero .wrap,.about-row,.contact-grid{grid-template-columns:1fr}
    .hero-card{display:none}
    .prod-grid,.news-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
    .apps{grid-template-columns:repeat(3,1fr)}
    .stats .wrap{grid-template-columns:repeat(2,1fr)}
    .stat:nth-child(2){border-right:0}
    .footer .cols{grid-template-columns:1fr 1fr}
    .content-grid{grid-template-columns:1fr}
    .pdetail{grid-template-columns:1fr}
    .pdetail .pd-pic{padding:40px}
    .pdetail .pd-b{padding:0 30px 30px}
    .aside{position:static}
}
@media(max-width:680px){
    body{font-size:14px}
    .topbar .tb-left{display:none}
    .header .wrap{height:70px}
    .head-tel{display:none}
    .nav{top:70px}
    .nav .wrap{flex-wrap:wrap}
    .nav-toggle{display:block;margin-left:auto;line-height:50px}
    .nav-slogan{display:none}
    .nav ul{display:none;flex-direction:column;width:100%}
    .nav ul.open{display:flex}
    .nav li>a{line-height:48px;padding:0 16px;border-top:1px solid rgba(255,255,255,.12)}
    .nav li>a::after{display:none}
    .hero h1{font-size:32px}
    .hero .feat{gap:14px}
    .prod-grid,.news-grid,.why-grid,.apps,.honor-grid{grid-template-columns:1fr}
    .about-pts{grid-template-columns:1fr}
    .formcard .frow{grid-template-columns:1fr}
    .sec-head h2,.cta-band h2,.about-txt h2{font-size:24px}
    .article{padding:26px 20px}
    .pagehead h1{font-size:27px}
}