/* szhxw168.com — rebuilt in the visual language of straphookloop.com
   Palette derived from reference: --blue #105fad / --blue-2 #337fe5 */

:root{
  --blue:#105fad;
  --blue-2:#337fe5;
  --blue-dark:#0a4276;
  --ink:#22282f;
  --ink-2:#5b6672;
  --line:#e3e8ee;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --accent:#f0a020;
  --radius:6px;
  --max:1200px;
  --font:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- top bar ---------- */
.topbar{background:var(--blue-dark);color:#cfe0f2;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar a{color:#e9f2fb}
.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:20px;flex-wrap:wrap}
.topbar .tb-right{display:flex;gap:16px;align-items:center}
.topbar .dot{opacity:.45;margin:0 2px}

/* ---------- header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{
  width:42px;height:42px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--blue-2));
  color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:.5px;font-size:15px;
}
.brand b{display:block;font-size:18px;letter-spacing:.3px;color:var(--blue-dark)}
.brand small{display:block;font-size:11px;color:var(--ink-2);letter-spacing:1.4px;text-transform:uppercase}

.nav{display:flex;gap:26px;align-items:center}
.nav > li > a{
  display:block;padding:26px 0;font-size:14.5px;font-weight:600;color:var(--ink);
  border-bottom:3px solid transparent;transition:.2s;
}
.nav > li > a:hover,.nav > li.active > a{color:var(--blue);border-bottom-color:var(--blue)}
.nav .has-sub{position:relative}
.nav .sub{
  position:absolute;top:100%;left:-14px;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 14px 34px rgba(16,40,70,.12);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;
}
.nav .has-sub:hover .sub{opacity:1;visibility:visible;transform:none}
.nav .sub a{display:block;padding:9px 12px;border-radius:4px;font-size:13.5px;color:var(--ink-2)}
.nav .sub a:hover{background:var(--bg-soft);color:var(--blue)}
.header-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:var(--radius);
  padding:11px 20px;font-size:14px;font-weight:600;transition:.2s;cursor:pointer;
}
.btn:hover{background:var(--blue-2);border-color:var(--blue-2)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:var(--bg-soft)}
.burger{display:none;background:none;border:0;font-size:22px;color:var(--blue-dark);cursor:pointer}

/* ---------- hero ---------- */
.hero{background:linear-gradient(120deg,#0a4276 0%,#105fad 55%,#2e77d0 100%);color:#fff;position:relative;overflow:hidden}
.hero:after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.16),transparent 45%),
             radial-gradient(circle at 12% 88%,rgba(255,255,255,.08),transparent 40%);
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:70px 20px 76px}
.hero .eyebrow{font-size:12.5px;letter-spacing:2.4px;text-transform:uppercase;color:#bcd8f6;margin-bottom:14px}
.hero h1{font-size:44px;line-height:1.18;letter-spacing:-.4px;margin-bottom:18px}
.hero p{color:#dbe9f8;font-size:16px;max-width:560px;margin:0 0 28px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.12)}
.hero-badges{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-badges div{font-size:12.5px;color:#cfe3f7;letter-spacing:.4px}
.hero-badges b{display:block;font-size:22px;color:#fff;letter-spacing:0}

/* ---------- section shell ---------- */
.section{padding:64px 0}
.section.soft{background:var(--bg-soft)}
.section-head{margin-bottom:34px}
.section-head .kicker{font-size:12px;letter-spacing:2.2px;text-transform:uppercase;color:var(--blue);font-weight:700;margin-bottom:8px}
.section-head h2{font-size:30px;letter-spacing:-.2px}
.section-head h2 span{color:var(--blue)}
.section-head p{color:var(--ink-2);max-width:660px;margin:10px 0 0}
.section-head.center{text-align:center}
.section-head.center p{margin-left:auto;margin-right:auto}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- categories ---------- */
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:34px}
.cat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;text-align:center;
  transition:.2s;font-size:13.5px;font-weight:600;color:var(--ink-2);
}
.cat:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,95,173,.12)}
.cat i{display:block;font-size:20px;margin-bottom:6px;font-style:normal}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.card:hover{box-shadow:0 16px 36px rgba(16,40,70,.13);transform:translateY(-3px);border-color:#d6e2f0}
.card .thumb{aspect-ratio:4/3;background:#f7fafd;overflow:hidden;padding:10px}
.card .thumb img{width:100%;height:100%;object-fit:contain;transition:.35s}
.card:hover .thumb img{transform:scale(1.04)}
.card .body{padding:14px 16px 18px}
.card .tag{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue);font-weight:700}
.card h3{font-size:14.5px;margin:6px 0 8px;min-height:44px}
.card .more{font-size:12.5px;color:var(--ink-2)}
.card .more:after{content:" →";color:var(--blue)}

/* ---------- stats ---------- */
.stats{background:linear-gradient(120deg,#0a4276,#105fad);color:#fff;padding:44px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center}
.stat b{display:block;font-size:34px;line-height:1.1;letter-spacing:-1px}
.stat span{display:block;font-size:12px;letter-spacing:1.6px;text-transform:uppercase;color:#b9d5f2;margin-top:6px}
.stat em{display:block;font-style:normal;font-size:12px;color:#9fc3e6;margin-top:8px;line-height:1.5}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-media{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px}
.about-media img{width:100%;height:170px;object-fit:cover;border-radius:var(--radius)}
.about-media img:first-child{grid-row:1 / span 2;height:352px}
/* hero collage: keep whole product in frame, never a half-cut badge */
.hero .about-media{background:rgba(255,255,255,.06);border-radius:10px;padding:12px;gap:10px}
.hero .about-media img{object-fit:contain;background:#fff;padding:8px}
.hero .about-media img:first-child{height:352px}
.about ul.checks{display:grid;gap:10px;margin:20px 0 26px}
.about ul.checks li{padding-left:26px;position:relative;color:var(--ink-2)}
.about ul.checks li:before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg);
}

/* ---------- factory ---------- */
.factories{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.factories figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden}
.factories img{height:200px;width:100%;object-fit:cover;transition:.35s}
.factories figure:hover img{transform:scale(1.06)}
.factories figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:20px 14px 12px;color:#fff;font-size:13px;
  background:linear-gradient(transparent,rgba(6,32,60,.82));
}

/* ---------- news ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news .nthumb{height:170px;background:#eef3f8;overflow:hidden}
.news .nthumb img{width:100%;height:100%;object-fit:cover}
.news .nbody{padding:16px 18px 20px}
.news time{font-size:12px;color:var(--blue);letter-spacing:1px;text-transform:uppercase;font-weight:700}
.news h3{font-size:15.5px;margin:8px 0 10px}
.news p{font-size:13.5px;color:var(--ink-2);margin:0 0 12px}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-list details{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:12px;padding:0 18px}
.faq-list details[open]{border-color:#cddef0;box-shadow:0 8px 22px rgba(16,95,173,.08)}
.faq-list summary{
  cursor:pointer;padding:16px 0;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";color:var(--blue);font-size:20px;font-weight:400}
.faq-list details[open] summary:after{content:"–"}
.faq-list p{margin:0 0 18px;color:var(--ink-2);font-size:14px}

/* ---------- inquiry ---------- */
.inquiry{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1 / -1}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink)}
input,textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius);
  font:inherit;font-size:14px;background:#fff;color:var(--ink);
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue-2);box-shadow:0 0 0 3px rgba(51,127,229,.14)}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:12.5px;color:var(--ink-2);margin-top:12px}
.contact-cards{display:grid;gap:14px}
.cc{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.cc .ico{width:38px;height:38px;flex:0 0 38px;border-radius:8px;background:var(--bg-soft);display:grid;place-items:center;color:var(--blue);font-size:17px}
.cc b{display:block;font-size:13px;color:var(--ink-2);font-weight:600;letter-spacing:.4px;text-transform:uppercase}
.cc span{font-size:15px;font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:#0b2f52;color:#b9cde2;padding:56px 0 0;font-size:13.5px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:16px}
.site-footer a:hover{color:#fff}
.site-footer li{margin-bottom:9px}
.site-footer .f-brand .mark{width:38px;height:38px;font-size:13px}
.site-footer .f-brand p{color:#93aec9;margin:14px 0 0;max-width:300px}
.site-footer .bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8ea9c4}
.foot-contact li{display:flex;gap:10px;margin-bottom:10px}
.foot-contact span{color:#fff}

/* ---------- page hero ---------- */
.page-hero{background:linear-gradient(120deg,#0a4276,#105fad);color:#fff;padding:52px 0}
.page-hero .crumb{font-size:12.5px;color:#b8d3ef;margin-bottom:10px;letter-spacing:.4px}
.page-hero h1{font-size:32px}
.page-hero p{color:#d6e6f7;margin:10px 0 0;max-width:700px}

/* ---------- products page ---------- */
.shop-layout{display:grid;grid-template-columns:250px 1fr;gap:34px;align-items:stretch}
.sidebar-inner{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.sidebar h4{background:var(--bg-soft);padding:14px 16px;font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue-dark);margin:0;border-bottom:1px solid var(--line)}
.sidebar-inner h4{background:var(--bg-soft);padding:14px 16px;font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue-dark);margin:0;border-bottom:1px solid var(--line)}
.sidebar li a{display:block;padding:11px 16px;border-bottom:1px solid #f0f4f8;font-size:13.5px;color:var(--ink-2)}
.sidebar li a:hover{background:var(--bg-soft);color:var(--blue)}
.sidebar .side-cta{padding:16px;background:var(--bg-soft)}
.sidebar .side-cta p{font-size:12.5px;color:var(--ink-2);margin:0 0 10px}
.shop-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:13px;color:var(--ink-2)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:34px}
.pager a{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius);font-size:13.5px;background:#fff}
.pager a.active,.pager a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ---------- cta band ---------- */
.cta-band{background:var(--bg-soft);border-top:1px solid var(--line);padding:42px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h3{font-size:22px}
.cta-band p{margin:6px 0 0;color:var(--ink-2);font-size:14px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .cats{grid-template-columns:repeat(3,1fr)}
  .hero .wrap{grid-template-columns:1fr;padding:52px 20px 60px}
  .hero h1{font-size:34px}
  .hero-visual{display:none}
  .about,.inquiry{grid-template-columns:1fr}
  .news{grid-template-columns:1fr 1fr}
  .factories{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(3,1fr);gap:26px}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .shop-layout{grid-template-columns:1fr}
  .sidebar-inner{position:static}
}
@media (max-width:760px){
  .topbar .tb-left{display:none}
  .site-header .wrap{height:64px}
  .nav{
    position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;gap:0;
    padding:10px 20px 20px;border-bottom:1px solid var(--line);display:none;
  }
  .nav.open{display:flex}
  .nav > li > a{padding:13px 0;border-bottom:1px solid #f0f4f8}
  .nav .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 8px 12px}
  .burger{display:block}
  .header-cta .btn{display:none}
  .brand small{display:none}
  .brand b{font-size:15.5px}
  .card .tag{display:block;min-height:3.4em}
  .card h3{min-height:58px;font-size:13.5px}
  .grid{grid-template-columns:1fr 1fr;gap:14px}
  .cats{grid-template-columns:1fr 1fr}
  .news{grid-template-columns:1fr}
  .factories{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .about-media img:first-child{height:220px}
  .about-media img{height:110px}
  .hero h1{font-size:28px}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .section{padding:44px 0}
}

/* ---------- product detail / lists (legacy data build) ---------- */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.pd-media{background:#f7fafd;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.pd-media img{width:100%;height:auto;object-fit:contain;border-radius:4px}
.pd-desc{color:var(--ink-2);font-size:14.5px;line-height:1.85;margin:0 0 26px}
.pd-desc p{margin:0 0 12px}
.pd-desc img{max-width:100%;height:auto;border-radius:4px;margin:8px 0}
.pd-desc strong,.pd-desc b{color:var(--ink)}
.pd-body .btn{margin-top:6px}

.news-list{max-width:900px}
.news-row{border-bottom:1px solid var(--line);padding:20px 0}
.news-row:first-child{padding-top:0}
.news-row time{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--blue);font-weight:700}
.news-row h3{font-size:18px;margin:8px 0 8px}
.news-row h3 a:hover{color:var(--blue)}
.news-row p{margin:0;color:var(--ink-2);font-size:14px}

.article{max-width:860px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.article h1,.article h2,.article h3{color:var(--ink);margin:28px 0 12px}
.article h2{font-size:22px}
.article p{margin:0 0 14px}
.article img{max-width:100%;height:auto;border-radius:4px;margin:10px 0}
.article .form-grid{margin-top:8px}

@media (max-width:1080px){.product-detail{grid-template-columns:1fr;gap:26px}}