/*
Theme Name: Peptide China Supplier Pro
Author: Hytanbio Tech
Version: 1.0.0
*/
:root{--copper:#B87333;--copper2:#8A5422;--ink:#1A1A1A;--black:#121212;--deep:#0E0E0E;--muted:#6b6b6b;--line:#e5e5e5;--paper:#f7f7f7;--green:#2F6F4F}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.62}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:var(--ink);border-bottom:1px solid #2a2a2a}.head-inner{height:72px;display:flex;align-items:center;gap:26px}.logo img{height:58px;width:auto;display:block}.nav{display:flex;gap:20px;margin-left:auto;align-items:center}.nav a{color:#fff;font-weight:600;font-size:14px}.nav a:hover{color:var(--copper)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:4px;background:var(--copper);color:#fff;font-weight:700;border:1px solid var(--copper)}.btn:hover{background:var(--copper2);border-color:var(--copper2)}.btn.ghost{background:transparent;color:var(--copper)}.hero{background:#121212;color:#fff;border-bottom:1px solid var(--copper);position:relative}.hero-slider{position:relative;min-height:620px;overflow:hidden}.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .7s ease}.slide.active{opacity:1}.hero-copy{position:relative;z-index:2;max-width:690px;padding:112px 0}.eyebrow{letter-spacing:1px;text-transform:uppercase;color:var(--copper);font-weight:800;font-size:13px}.hero h1{font-size:50px;line-height:1.08;margin:14px 0 18px;letter-spacing:0}.hero p{font-size:18px;color:#e0e0e0;max-width:680px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.section{padding:76px 0}.dark{background:#121212;color:#fff}.soft{background:var(--paper)}.section-head{max-width:760px;margin:0 auto 34px;text-align:center}.section-head.left{text-align:left;margin-left:0}.section h2,.page-title{font-size:34px;line-height:1.18;margin:8px 0 14px}.grid{display:grid;gap:20px}.cols-4{grid-template-columns:repeat(4,1fr)}.cols-3{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px}.card:hover{border-color:var(--copper)}.dark .card{background:#1a1a1a;border-color:#2a2a2a}.cat-card{padding:0;overflow:hidden}.cat-art{height:150px;background:linear-gradient(135deg,#111,#2b2119);display:flex;align-items:center;justify-content:center;color:var(--copper);font-weight:800;font-size:42px}.cat-card .body{padding:22px}.product-card{display:flex;flex-direction:column;min-height:100%}.product-card img{aspect-ratio:1/1;object-fit:cover;background:#f7f7f7;border-radius:6px}.badge{display:inline-block;background:var(--green);color:#fff;border-radius:2px;padding:3px 8px;font-size:12px;font-weight:700}.price{color:var(--copper);font-weight:800;margin-top:auto}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.step{border:1px solid #2a2a2a;background:#1a1a1a;border-radius:6px;padding:18px;text-align:center}.step b{color:var(--copper);display:block;font-size:22px}.certs{display:flex;gap:18px;flex-wrap:wrap}.cert{border:1px solid var(--line);background:#fff;padding:16px 22px;border-radius:6px;font-weight:800;color:var(--ink)}.faq details{border:1px solid #2a2a2a;background:#1a1a1a;margin:12px 0;border-radius:6px}.faq summary{cursor:pointer;padding:18px 20px;color:#fff;font-weight:800}.faq p{padding:0 20px 18px;color:#ddd}.site-footer{background:#0e0e0e;color:#aaa;padding:54px 0 28px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#aaa;margin:6px 0}.copy{border-top:1px solid #222;margin-top:28px;padding-top:22px}.wa{position:fixed;right:20px;bottom:20px;z-index:55;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 24px #0004}.page-hero{background:#121212;color:#fff;padding:76px 0;border-bottom:1px solid var(--copper)}.content{padding:54px 0}.content h2{font-size:27px;margin-top:34px}.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0;list-style:none}.spec-list li{border:1px solid var(--line);border-radius:6px;padding:12px;background:#fff}.product-layout{display:grid;grid-template-columns:430px 1fr;gap:38px}.product-image{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#f7f7f7}.filterbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.filterbar input,.filterbar select,.lead-form input,.lead-form textarea{width:100%;border:1px solid #d6d6d6;border-radius:4px;padding:12px;font:inherit}.lead-form{display:grid;gap:12px}.lead-form button{cursor:pointer}.notice{padding:12px;border-radius:4px;margin:10px 0}.notice.ok{background:#e8f7ed;color:#174d2a}.notice.err{background:#fdecec;color:#7d1c1c}.article-list{display:grid;gap:18px}.article-item{border-bottom:1px solid var(--line);padding-bottom:18px}.menu-toggle{display:none;background:none;border:0;color:var(--copper);font-size:30px;margin-left:auto}@media(max-width:860px){.head-inner{height:60px}.logo img{height:48px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:60px;background:#1a1a1a;padding:14px 18px;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.hero-slider{min-height:560px}.hero-copy{padding:72px 0}.hero h1{font-size:38px}.cols-4,.cols-3,.split,.footer-grid,.product-layout{grid-template-columns:1fr}.process{grid-template-columns:1fr 1fr}.spec-list{grid-template-columns:1fr}}.filterbar input{flex:2 1 320px}.filterbar select{flex:1 1 220px}.ingredient-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:14px}.ingredient-table th{background:#1a1a1a;color:#fff;text-align:left}.ingredient-table th,.ingredient-table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.ingredient-table a{color:var(--copper);font-weight:700}
/* 2026-09-24 logo and desktop navigation refinement */
.site-header .head-inner{gap:18px;max-width:1380px;width:min(1380px,calc(100% - 28px));}
.site-header .logo{display:flex;align-items:stretch;flex:0 0 auto;min-width:260px;}
.site-header .logo img{height:66px;max-width:360px;object-fit:contain;}
.site-header .nav{gap:13px;flex-wrap:nowrap;white-space:nowrap;}
.site-header .nav a{white-space:nowrap;font-size:13.5px;}
.site-header .nav .btn{padding-left:14px;padding-right:14px;}
@media(max-width:1100px) and (min-width:861px){.site-header .logo{min-width:210px}.site-header .logo img{max-width:300px}.site-header .nav{gap:9px}.site-header .nav a{font-size:12.5px}.site-header .nav .btn{padding-left:10px;padding-right:10px}}
@media(max-width:860px){.site-header .logo{min-width:0}.site-header .logo img{height:52px;max-width:270px}.site-header .nav{white-space:normal;flex-wrap:nowrap}.site-header .nav a{white-space:normal}}


/* 2026-09-24 visual content, video proof and resource library */
.cat-art-photo{background-size:cover!important;background-position:center!important;color:transparent!important}
.wide-figure{margin:28px 0}.wide-figure img{display:block;width:100%;border-radius:6px;border:1px solid var(--line)}
.visual-service-grid img,.factory-video-grid video{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:6px;background:#111;margin-bottom:14px}
.factory-video-grid .media-card{padding:16px}
.factory-video-grid video{display:block}
.ingredient-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:6px;background:#fff}
.resource-library ul{padding-left:18px;margin:10px 0 0}.resource-library li{margin:8px 0}.resource-library a{color:var(--copper);font-weight:700}
@media(max-width:860px){.factory-video-grid,.visual-service-grid,.resource-library{grid-template-columns:1fr!important}}