/*
Theme Name: Nuozhongsheng
Description: B2B catalog theme for Hubei Nuozhongsheng Pharmaceutical (herbal patches, medical devices, OEM).
Version: 1.1.0
Requires PHP: 8.0
Text Domain: nzs
*/
:root{
  --ink:#16261f;--ink-2:#44564d;--muted:#6b7b73;--line:#dfe6e1;--bg:#fbfaf6;--card:#ffffff;
  --green:#1d4d3b;--green-2:#2f6b52;--green-soft:#e7f0eb;--amber:#c08a2e;--amber-soft:#f7eedb;
  --r:14px;--shadow:0 1px 2px rgba(22,38,31,.05),0 8px 24px rgba(22,38,31,.06);
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--serif:"Fraunces",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-2)}
a:hover{color:var(--green)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--ink)}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(2rem,4.2vw,3.2rem);letter-spacing:-.01em}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.8em 1.4em;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.15s;cursor:pointer;font-size:.95rem;font-family:inherit}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-2);color:#fff}
.btn-ghost{border-color:var(--green);color:var(--green);background:transparent}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#a8761f;color:#fff}

/* header */
.topbar{background:var(--green);color:#dfeee6;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px}
.topbar a{color:#fff;text-decoration:none}
.site-header{background:rgba(251,250,246,.96);backdrop-filter:blur(8px);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;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--green);display:grid;place-items:center;color:#fff;font-family:var(--serif);font-weight:700;font-size:1.25rem}
.brand-name{font-weight:800;font-size:1.05rem;line-height:1.1}
.brand-name small{display:block;font-weight:600;font-size:.72rem;color:var(--muted);letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.94rem;padding:.5em .8em;border-radius:8px}
.nav a:hover,.nav a.on{background:var(--green-soft);color:var(--green)}
.nav .has-sub{position:relative}
.nav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:260px}
.nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub{display:block}
.nav .sub a{display:block}
.nav .btn{margin-left:8px;padding:.6em 1.1em}
.nav .btn-primary{color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;font-weight:700}
@media (max-width:960px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav .sub{display:block;position:static;box-shadow:none;border:0;padding:0 0 0 12px}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .topbar .hide-m{display:none}
}

/* hero */
.hero{padding:64px 0 56px;background:radial-gradient(1200px 400px at 85% -10%,var(--amber-soft),transparent),linear-gradient(180deg,#f3f1e9,var(--bg))}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.15rem;color:var(--ink-2);max-width:36em}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.hero .ticks{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:0;list-style:none;color:var(--ink-2);font-size:.92rem}
.hero .ticks li::before{content:"\2713";color:var(--green-2);font-weight:800;margin-right:6px}
.hero-collage{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hero-collage figure{margin:0;background:#fff;border-radius:var(--r);box-shadow:var(--shadow);aspect-ratio:1;display:grid;place-items:center;padding:10px;overflow:hidden}
.hero-collage figure img{width:100%;height:100%;object-fit:contain}
.hero-collage figure:nth-child(1){grid-column:span 2;grid-row:span 2}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding:40px 0}}

/* sections */
.section{padding:72px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head p{color:var(--ink-2);max-width:46em;margin:0}
.grid{display:grid;gap:20px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:1000px){.g4{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.g4,.g3{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:1fr}.section{padding:48px 0}}
@media (max-width:440px){.g4.cards-p{grid-template-columns:1fr 1fr;gap:12px}}

/* category tiles */
.cat-tile{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:.15s}
.cat-tile:hover{border-color:var(--green-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat-tile .ph{aspect-ratio:4/3;background:#fff;display:grid;place-items:center;padding:14px;border-bottom:1px solid var(--line)}
.cat-tile .ph img{width:100%;height:100%;object-fit:contain}
.cat-tile .tx{padding:16px 18px 18px}
.cat-tile .tx h3{margin-bottom:.3em}
.cat-tile .tx p{font-size:.9rem;color:var(--muted);margin:0}
.cat-tile .count{font-size:.8rem;color:var(--green-2);font-weight:700}

/* product cards */
.p-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:.15s}
.p-card:hover{border-color:var(--green-2);box-shadow:var(--shadow)}
.p-card .ph{aspect-ratio:1;background:#fff;display:grid;place-items:center;padding:12px}
.p-card .ph img{width:100%;height:100%;object-fit:contain}
.p-card .tx{padding:12px 14px 16px;border-top:1px solid var(--line);flex:1;display:flex;flex-direction:column}
.p-card h3{font-size:.98rem;margin:0 0 .35em}
.p-card .reg{font-size:.74rem;color:var(--amber);font-weight:700;letter-spacing:.02em;margin-top:auto}

/* features */
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.feat .ic{width:44px;height:44px;border-radius:12px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.feat p{color:var(--ink-2);font-size:.95rem;margin:0}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;position:relative}
.steps li::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--amber);color:#fff;font-weight:800;margin-bottom:10px}
.steps li b{display:block;margin-bottom:4px}
.steps li span{font-size:.9rem;color:var(--ink-2)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}

/* cta band */
.cta-band{background:var(--green);color:#e5f1ea;border-radius:20px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 .3em}
.cta-band p{margin:0;max-width:40em}

/* breadcrumbs, page head */
.page-head{padding:40px 0 28px;background:linear-gradient(180deg,#f3f1e9,var(--bg));border-bottom:1px solid var(--line)}
.page-head p{color:var(--ink-2);max-width:52em;margin:0}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:10px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--green)}

/* catalog layout */
.catalog{display:grid;grid-template-columns:250px 1fr;gap:32px;padding:36px 0 72px}
.side{position:sticky;top:96px;align-self:start}
.side h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.side ul{list-style:none;padding:0;margin:0 0 24px}
.side li a{display:flex;justify-content:space-between;padding:.5em .7em;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.93rem}
.side li a:hover,.side li a.on{background:var(--green-soft);color:var(--green)}
.side li a small{color:var(--muted);font-weight:600}
.side-box{background:var(--amber-soft);border-radius:var(--r);padding:18px;font-size:.92rem}
@media (max-width:900px){.catalog{grid-template-columns:1fr}.side{position:static}.side ul{display:flex;flex-wrap:wrap;gap:6px}.side li a{background:#fff;border:1px solid var(--line)}.side-box{display:none}}

/* single product */
.product{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:36px 0 24px}
.gallery .main{background:#fff;border:1px solid var(--line);border-radius:var(--r);aspect-ratio:1;display:grid;place-items:center;padding:18px}
.gallery .main img{width:100%;height:100%;object-fit:contain}
.gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery .thumbs button{width:72px;height:72px;border:2px solid var(--line);border-radius:10px;background:#fff;padding:4px;cursor:pointer}
.gallery .thumbs button.on{border-color:var(--green-2)}
.gallery .thumbs img{width:100%;height:100%;object-fit:contain}
.p-info .reg-badge{display:inline-block;background:var(--amber-soft);color:#87601c;font-weight:700;font-size:.8rem;border-radius:999px;padding:.35em .9em;margin-bottom:12px}
.p-info h1{font-size:clamp(1.7rem,3vw,2.4rem)}
.p-info .summary{font-size:1.06rem;color:var(--ink-2)}
.facts{width:100%;border-collapse:collapse;margin:18px 0 22px;font-size:.94rem}
.facts th,.facts td{text-align:left;padding:.65em .8em;border-bottom:1px solid var(--line);vertical-align:top}
.facts th{width:36%;color:var(--muted);font-weight:600}
.p-info .actions{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:860px){.product{grid-template-columns:1fr;gap:24px}}
.p-body{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:24px 0 64px}
.p-body .content{min-width:0}
@media (max-width:960px){.p-body{grid-template-columns:1fr}}
.content h2{font-size:1.5rem;margin-top:1.4em}
.content table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.94rem;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:block;overflow-x:auto}
.content table thead{background:var(--green-soft)}
.content th,.content td{text-align:left;padding:.65em .9em;border-bottom:1px solid var(--line)}
.content ul{padding-left:1.2em}
.content .note{background:#f4f2ea;border-left:3px solid var(--amber);padding:12px 16px;border-radius:8px;font-size:.9rem;color:var(--ink-2)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:.6em 0 0;color:var(--ink-2)}
.rfq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;position:sticky;top:96px;box-shadow:var(--shadow)}
.rfq-card h3{font-family:var(--serif);font-size:1.3rem}
.rfq-card ul{padding-left:1.1em;color:var(--ink-2);font-size:.92rem}

/* forms */
.form{display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.form .row{grid-template-columns:1fr}}
.form label{font-weight:600;font-size:.9rem;display:block;margin-bottom:4px}
.form input,.form textarea,.form select{width:100%;padding:.75em .9em;border:1px solid #cfd8d2;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--green-2);border-color:transparent}
.form .hp{position:absolute;left:-9999px}
.notice{padding:14px 18px;border-radius:10px;margin-bottom:18px;font-weight:600}
.notice.ok{background:var(--green-soft);color:var(--green)}
.notice.err{background:#fbe9e7;color:#9b2c1f}

/* prose pages */
.prose{max-width:820px}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2em}

/* footer */
.site-footer{background:#12231b;color:#b8cabf;padding:56px 0 24px;font-size:.92rem}
.site-footer a{color:#dfeee6;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer .legal{border-top:1px solid #29402f;margin-top:36px;padding-top:18px;font-size:.8rem;color:#8ea596;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:760px){.site-footer .cols{grid-template-columns:1fr 1fr}}
.pagination{display:flex;gap:6px;margin-top:28px;flex-wrap:wrap}
.pagination .page-numbers{padding:.5em .9em;border:1px solid var(--line);border-radius:8px;text-decoration:none;background:#fff}
.pagination .current{background:var(--green);color:#fff;border-color:var(--green)}
.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:100}

/* Fixed-ratio image boxes: images never change card height */
.cat-tile .ph,.p-card .ph,.hero-collage figure,.gallery .main{position:relative;display:block}
.cat-tile .ph img,.p-card .ph img,.hero-collage figure img,.gallery .main img{position:absolute;top:12px;left:12px;width:calc(100% - 24px);height:calc(100% - 24px);object-fit:contain}
.cat-tile .ph{aspect-ratio:4/3}
.cat-tile .tx{flex:1;display:flex;flex-direction:column}
.cat-tile .tx .count{margin-top:auto;padding-top:8px}
@media (max-width:600px){
  .topbar{display:none}
  .gallery .thumbs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .gallery .thumbs button{flex:0 0 64px;width:64px;height:64px}
}

/* Blog */
.post-card .ph{aspect-ratio:16/10}
.post-card .post-date{font-size:.78rem;color:var(--muted);font-weight:600;margin-bottom:4px}
.post-card h3{font-size:1.05rem}
.post-card p{font-size:.9rem;color:var(--ink-2);margin:0 0 10px}
.post-meta{color:var(--muted);font-size:.9rem}
.post-hero{margin:0 0 28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.post-hero img{max-height:420px;width:auto;margin:0 auto;object-fit:contain}
.post-content{font-size:1.04rem}
.post-content h2{font-size:1.55rem}
.post-content h3{margin-top:1.4em}
.post-content figure{margin:24px 0}
.post-content figure img{max-height:380px;width:auto;margin:0 auto;border-radius:10px}
.post-content figcaption{text-align:center;font-size:.85rem;color:var(--muted);margin-top:6px}
.post-content .tldr{background:var(--green-soft);border-radius:12px;padding:18px 22px;margin-bottom:24px}
.post-content .tldr p:last-child{margin:0}