/* 新乡市煜轩机械设备有限公司 - 官网样式表
   设计原则：无外部依赖（不加载 CDN 字体/图标库），移动优先，首屏不依赖图片。 */

:root{
  --brand:#0b5cab;
  --brand-dark:#083f78;
  --brand-light:#e8f1fa;
  --accent:#e8801a;
  --accent-dark:#c96a0f;
  --ink:#16202b;
  --muted:#5a6672;
  --line:#e2e8ee;
  --bg:#f5f7f9;
  --white:#fff;
  --radius:6px;
  --shadow:0 2px 10px rgba(16,32,48,.07);
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.75;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent-dark)}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:700}
h1{font-size:1.7rem}
h2{font-size:1.35rem}
h3{font-size:1.08rem}
p{margin:0 0 1em}
ul,ol{padding-left:1.25em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--brand-dark);color:#cfe2f5;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:36px;flex-wrap:wrap}
.topbar a{color:#fff}
.topbar span{white-space:nowrap}

/* ---------- 页头 ---------- */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:1.06rem;letter-spacing:.3px}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:5px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:.95rem;font-weight:700;letter-spacing:.5px;
}
.logo small{display:block;font-size:.7rem;font-weight:400;color:var(--muted);letter-spacing:1.4px}

.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:38px;padding:0 9px;background:none;border:1px solid var(--line);
  border-radius:var(--radius);cursor:pointer;
}
.nav-toggle i{display:block;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle[aria-expanded="true"]{background:var(--brand-light);border-color:var(--brand)}

.site-nav{display:none;width:100%;padding-bottom:12px}
.site-nav.is-open{display:block}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav li+li{border-top:1px solid var(--line)}
.site-nav a{display:block;padding:11px 2px;color:var(--ink);font-size:.98rem}
.site-nav a[aria-current="page"]{color:var(--brand);font-weight:700}

.header-cta{display:none}

/* ---------- 通用块 ---------- */
.section{padding:44px 0}
.section--alt{background:var(--bg)}
.section-head{max-width:760px;margin:0 0 26px}
.section-head p{color:var(--muted);margin:0}
.eyebrow{
  display:inline-block;font-size:.76rem;letter-spacing:2px;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:8px;
}
.lead{font-size:1.02rem;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:12px 22px;border-radius:var(--radius);font-size:.97rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;
}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);color:#fff}
.btn--ghost{background:var(--white);color:var(--brand);border-color:var(--brand)}
.btn--ghost:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn--block{width:100%}

/* ---------- 首屏 ---------- */
.hero{
  background:linear-gradient(160deg,#0a3564 0%,#0b5cab 62%,#1273c9 100%);
  color:#fff;padding:46px 0 40px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto -80px -120px auto;width:340px;height:340px;
  border-radius:50%;background:rgba(255,255,255,.05);
}
.hero-inner{position:relative;z-index:1;max-width:720px}
.hero h1{color:#fff;font-size:1.62rem;margin-bottom:14px}
.hero h1 em{font-style:normal;color:#ffcb8a;display:block;font-size:.72em;font-weight:400;letter-spacing:1px;margin-top:8px}
.hero p{color:#d8e8f8;font-size:1rem;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.hero-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:9px;font-size:.92rem;color:#d8e8f8}
.hero-points li{display:flex;gap:8px;align-items:flex-start}
.hero-points li::before{content:"✓";color:#ffcb8a;font-weight:700;flex:0 0 auto}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:16px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:12px}
.card .more{font-size:.9rem;font-weight:700}

/* ---------- 产品卡 ---------- */
.product-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:border-color .15s,transform .15s;
}
.product-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.product-thumb{
  height:132px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  border-bottom:1px solid var(--line);
}
.product-thumb svg{width:64px;height:64px}
.product-card .body{padding:16px;flex:1;display:flex;flex-direction:column}
.product-card h3{font-size:1rem;margin-bottom:6px}
.product-card h3 a{color:var(--ink)}
.product-card h3 a:hover{color:var(--brand)}
.product-card p{color:var(--muted);font-size:.9rem;flex:1}
.taglist{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px}
.taglist li{background:var(--brand-light);color:var(--brand-dark);font-size:.76rem;padding:2px 9px;border-radius:100px}

/* ---------- 数据条 ---------- */
.stats{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.stat{border-left:3px solid var(--brand);padding-left:14px}
.stat b{display:block;font-size:1.5rem;line-height:1.2;color:var(--brand-dark)}
.stat span{font-size:.86rem;color:var(--muted)}

/* ---------- 图文两栏 ---------- */
/* minmax(0,1fr) 而非 1fr：1fr 的自动最小值等于内容最小宽度，
   宽表格会把列顶宽、进而把整页撑出横向滚动条 */
.split{display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
.split>*{min-width:0}
.grid--2>*,.grid--3>*,.grid--4>*,.stats>*,.footer-grid>*{min-width:0}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:360px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--brand-light);color:var(--brand-dark);font-weight:700;white-space:nowrap}
tbody tr:nth-child(even){background:#fafbfc}

/* ---------- 面包屑 ---------- */
.crumb{font-size:.85rem;color:var(--muted);padding:14px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}

/* ---------- 页面标题区 ---------- */
.page-head{background:var(--bg);border-bottom:1px solid var(--line);padding:6px 0 26px}
.page-head h1{margin-bottom:8px}
.page-head p{color:var(--muted);margin:0;max-width:760px}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:.99rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--brand);margin-right:8px;font-weight:700}
.faq details[open] summary::before{content:"－"}
.faq details p{margin:10px 0 0;color:var(--muted);font-size:.94rem}

/* ---------- 联系条 ---------- */
.contact-band{background:var(--brand-dark);color:#fff;padding:36px 0}
.contact-band h2{color:#fff}
.contact-band p{color:#cfe2f5}
.contact-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}

/* ---------- 表单 ---------- */
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:.88rem;font-weight:700;margin-bottom:5px}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);
  font:inherit;font-size:.94rem;color:var(--ink);background:var(--white);
}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  outline:2px solid var(--brand-light);border-color:var(--brand);
}
.form-note{font-size:.83rem;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:#101a24;color:#93a3b3;font-size:.88rem;padding:36px 0 24px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.site-footer a{color:#c3d1de}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;gap:26px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:7px}
.footer-bottom{border-top:1px solid #22303d;margin-top:26px;padding-top:16px;font-size:.8rem;color:#7d8d9d}

/* ---------- 悬浮咨询 ---------- */
.float-call{
  position:fixed;right:14px;bottom:14px;z-index:60;
  background:var(--accent);color:#fff;border-radius:100px;
  padding:11px 18px;font-weight:700;font-size:.92rem;box-shadow:0 6px 18px rgba(232,128,26,.4);
}
.float-call:hover{background:var(--accent-dark);color:#fff}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  h1{font-size:2rem}
  h2{font-size:1.5rem}
  .hero h1{font-size:2.05rem}
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{
    display:block!important;width:auto;padding:0;flex:1;
  }
  .site-nav ul{display:flex;gap:4px;justify-content:center}
  .site-nav li+li{border:0}
  .site-nav a{padding:9px 14px;border-radius:var(--radius);font-size:.95rem}
  .site-nav a:hover{background:var(--brand-light);color:var(--brand-dark)}
  .site-nav a[aria-current="page"]{background:var(--brand-light)}
  .header-cta{display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}
  .header-cta b{color:var(--brand-dark);font-size:1.06rem}
  .header-cta span{font-size:.74rem;color:var(--muted)}
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(4,minmax(0,1fr))}
  .split{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px}
  .split--even{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .section{padding:62px 0}
  .hero{padding:66px 0 58px}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr)}
  .float-call{right:26px;bottom:26px;padding:13px 22px}
}

@media print{
  .site-header,.topbar,.float-call,.contact-band,.site-footer{display:none}
}