/* Qinlong Matcha - B2B export site stylesheet */
:root{
  --ink:#12332A;
  --ink-2:#1C4635;
  --ink-3:#2C5B45;
  --green:#7FA650;
  --green-2:#9CC45F;
  --lime:#D8E9B4;
  --cream:#F8F6EF;
  --sand:#EFEADB;
  --white:#fff;
  --text:#22312B;
  --muted:#6C7A70;
  --line:#E2E7DE;
  --shadow:0 12px 34px rgba(18,51,42,.08);
  --shadow-lg:0 22px 60px rgba(18,51,42,.14);
  --radius:12px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.18;letter-spacing:-.025em;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:min(100% - 48px,var(--maxw));margin-inline:auto}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-tight{padding:44px 0}
.bg-cream{background:var(--cream)}
.bg-sand{background:var(--sand)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.eyebrow.light{color:var(--lime)}
.section-title{font-size:clamp(30px,3.6vw,46px);margin-bottom:16px}
.section-lead{font-size:17px;color:var(--muted);line-height:1.75;margin:0}
.text-center{text-align:center}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:8px;font-weight:700;font-size:14.5px;border:1.5px solid transparent;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 8px 20px rgba(18,51,42,.18)}
.btn-primary:hover{background:var(--ink-2);box-shadow:0 12px 26px rgba(18,51,42,.26)}
.btn-accent{background:var(--green);color:#0d271c}
.btn-accent:hover{background:var(--green-2)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--lime)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-lg{padding:17px 30px;font-size:15px}
.btn-block{width:100%}
.btn span{font-size:18px;line-height:1}

/* announcement + header */
.announce{background:var(--ink);color:#DCE9D4;font-size:12.5px;letter-spacing:.02em}
.announce-inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:36px;flex-wrap:wrap}
.announce-dot{width:7px;height:7px;border-radius:50%;background:var(--green-2);box-shadow:0 0 0 4px rgba(156,196,95,.18)}
.announce a{color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.5);margin-left:8px}
.announce a:hover{border-color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(18,51,42,.09)}
.header-inner{display:flex;align-items:center;gap:30px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:40px;height:40px;color:var(--ink);display:block}
.brand-mark svg{width:100%;height:100%}
.brand-img{display:block;width:auto;max-width:180px;height:40px;object-fit:contain;object-position:left center}
@media(max-width:600px){.brand-img{max-width:130px;height:34px}}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;letter-spacing:-.03em;color:var(--ink)}
.brand-text small{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav > a,.nav-dropdown > a{display:block;padding:10px 13px;font-size:14px;font-weight:600;color:#3C4D43;border-radius:6px;transition:color .2s,background .2s}
.main-nav > a:hover,.nav-dropdown > a:hover,.main-nav a.active{color:var(--ink);background:var(--cream)}
.caret{font-size:10px;margin-left:3px;color:var(--muted)}
.nav-dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + 12px);left:-14px;width:320px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:block;padding:11px 14px;border-radius:8px}
.dropdown-menu a:hover{background:var(--cream)}
.dropdown-menu strong{display:block;font-size:14px;color:var(--ink)}
.dropdown-menu span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.dropdown-all{border-top:1px solid var(--line);border-radius:0!important;margin-top:6px;padding-top:13px!important;color:var(--green);font-weight:700;font-size:13px!important}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu-toggle span{width:18px;height:2px;background:var(--ink);transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:0}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 30%,rgba(127,166,80,.28),transparent 52%),linear-gradient(110deg,rgba(10,38,29,.97) 0%,rgba(12,42,32,.86) 52%,rgba(12,42,32,.35) 100%);z-index:2}
.hero-visual{position:absolute;inset:0 0 0 44%;z-index:1}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.85}
.hero-inner{position:relative;z-index:3;min-height:610px;display:flex;flex-direction:column;justify-content:center;padding:88px 0 0}
.hero-content{max-width:650px}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#E6F1D9;padding:8px 15px;border-radius:100px;font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:26px}
.hero-kicker i{width:6px;height:6px;background:var(--green-2);border-radius:50%;display:block}
.hero h1{color:#fff;font-size:clamp(38px,5.2vw,66px);line-height:1.06;letter-spacing:-.04em;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--green-2)}
.hero-sub{font-size:17.5px;line-height:1.8;color:#CFDDD0;max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.18);margin-top:76px}
.stat-item{padding:26px 24px 30px;border-right:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{padding-left:0}
.stat-item:last-child{border-right:0}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--green-2);letter-spacing:-.04em;line-height:1.1}
.stat-label{font-size:12.5px;color:#C2D2C3;letter-spacing:.02em}
.trust-strip{background:var(--cream);border-bottom:1px solid var(--line);padding:20px 0}
.trust-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.trust-label{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.trust-items{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.trust-items span{font-size:14px;font-weight:700;color:var(--ink-3);letter-spacing:.01em}

/* category cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.category-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#CFDBBF}
.category-media{height:220px;overflow:hidden;position:relative;background:var(--sand)}
.category-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.category-card:hover .category-media img{transform:scale(1.07)}
.category-media .grade-no{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.94);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.08em;padding:6px 12px;border-radius:100px}
.category-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.category-body h3{font-size:23px;margin-bottom:10px}
.category-body p{color:var(--muted);font-size:14.5px;line-height:1.7;flex:1}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 20px}
.tag{font-size:12px;background:var(--cream);border:1px solid var(--line);color:var(--ink-3);padding:5px 11px;border-radius:100px;font-weight:600}
.card-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--ink);border-top:1px solid var(--line);padding-top:18px}
.card-link:hover{color:var(--green)}
.card-link span{transition:transform .2s}
.card-link:hover span{transform:translateX(4px)}

/* products */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#CFDBBF}
.product-media{height:230px;overflow:hidden;position:relative;background:var(--cream)}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.product-card:hover .product-media img{transform:scale(1.06)}
.product-badge{position:absolute;top:14px;left:14px;background:var(--ink);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 11px;border-radius:100px}
.product-badge.accent{background:var(--green);color:#0d271c}
.product-sku{position:absolute;bottom:14px;right:14px;background:rgba(255,255,255,.94);color:var(--ink);font-size:11px;font-weight:800;letter-spacing:.05em;padding:5px 10px;border-radius:5px}
.product-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.product-cat{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.product-name{font-size:19px;margin-bottom:8px;line-height:1.3}
.product-sub{font-size:13.5px;color:var(--muted);margin-bottom:16px;flex:1}
.product-meta{display:flex;gap:18px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-bottom:16px}
.product-meta b{color:var(--ink);font-size:13.5px}
.product-link{display:inline-flex;align-items:center;justify-content:space-between;font-size:13.5px;font-weight:800;color:var(--ink);background:var(--cream);padding:11px 15px;border-radius:7px}
.product-link:hover{background:var(--ink);color:#fff}
.filters{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.filter-chip{padding:9px 18px;border:1px solid var(--line);border-radius:100px;font-size:13.5px;font-weight:700;color:var(--ink-3);background:#fff;transition:.2s}
.filter-chip:hover{border-color:var(--green);color:var(--ink)}
.filter-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-chip small{opacity:.7;font-weight:600;margin-left:5px}
.search-form{display:flex;margin-left:auto;gap:8px}
.search-form input{border:1px solid var(--line);border-radius:7px;padding:9px 14px;font-size:13.5px;width:210px;outline:none}
.search-form input:focus{border-color:var(--green)}
.search-form button{border:0;background:var(--ink);color:#fff;border-radius:7px;padding:0 16px;font-weight:700;cursor:pointer;font-size:13.5px}
.empty-state{text-align:center;padding:70px 20px;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}

/* strengths */
.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.strength-card{background:#fff;padding:34px 30px;transition:.25s}
.strength-card:hover{background:var(--cream)}
.strength-num{font-size:clamp(34px,3.6vw,48px);font-weight:800;color:var(--ink);letter-spacing:-.05em;line-height:1;margin-bottom:6px}
.strength-num small{font-size:15px;font-weight:700;color:var(--green);letter-spacing:0;margin-left:6px}
.strength-title{font-size:16px;margin-bottom:8px}
.strength-desc{font-size:13.5px;color:var(--muted);margin:0}
.feature-split img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:440px;object-fit:cover}
.list-check{margin:22px 0 30px}
.list-check li{position:relative;padding-left:30px;margin-bottom:13px;font-size:15px;color:#3C4D43}
.list-check li::before{content:"";position:absolute;left:0;top:6px;width:17px;height:17px;border-radius:50%;background:var(--lime);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8l3.2 3.2L13 4.5' stroke='%2312332A' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:12px;background-repeat:no-repeat;background-position:center}

/* applications */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s}
.app-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.app-media{height:190px;overflow:hidden}
.app-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.app-card:hover .app-media img{transform:scale(1.07)}
.app-body{padding:22px}
.app-body h3{font-size:18px;margin-bottom:9px}
.app-body p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65}

/* OEM dark section */
.oem-section{background:var(--ink);position:relative;overflow:hidden}
.oem-section::after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.07);border-radius:50%;right:-160px;top:-220px}
.oem-section h2,.oem-section h3{color:#fff}
.oem-section .section-lead{color:#BFCEC0}
.oem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1}
.oem-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:28px 24px;transition:.25s}
.oem-card:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.oem-icon{width:46px;height:46px;border-radius:10px;background:rgba(156,196,95,.16);color:var(--green-2);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:20px}
.oem-card h3{font-size:17px;margin-bottom:9px}
.oem-card p{font-size:13.5px;color:#B9CBBB;margin:0;line-height:1.65}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;position:relative;z-index:1}
.step{display:flex;gap:14px;align-items:flex-start;border-top:1px solid rgba(255,255,255,.2);padding-top:22px}
.step-num{font-size:13px;font-weight:800;color:var(--green-2);letter-spacing:.08em}
.step strong{display:block;color:#fff;font-size:14.5px;margin-bottom:4px}
.step span{font-size:12.5px;color:#A9BCAB;line-height:1.55;display:block}

/* certifications */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center;transition:.25s}
.cert-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.cert-media{height:130px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;overflow:hidden;margin-bottom:16px}
.cert-media img{max-height:120px;max-width:100%;object-fit:contain}
.cert-name{font-size:15px;margin-bottom:4px}
.cert-card p{font-size:12.5px;color:var(--muted);margin:0;line-height:1.5}
.cert-hero-img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}

/* blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.blog-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.blog-media{height:200px;overflow:hidden}
.blog-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.blog-card:hover .blog-media img{transform:scale(1.06)}
.blog-body{padding:24px;display:flex;flex-direction:column;flex:1}
.blog-meta{display:flex;gap:12px;font-size:12px;color:var(--muted);margin-bottom:12px;align-items:center}
.blog-meta .type{color:var(--green);font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.blog-title{font-size:19px;line-height:1.35;margin-bottom:11px}
.blog-excerpt{font-size:13.8px;color:var(--muted);line-height:1.7;flex:1;margin-bottom:18px}
.read-more{font-size:13.5px;font-weight:800;color:var(--ink)}
.read-more:hover{color:var(--green)}

/* CTA + footer */
.footer-cta{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:52px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-cta h2{color:#fff;font-size:clamp(26px,3vw,38px);margin-bottom:12px}
.footer-cta p{color:#B9CBBB;font-size:15px;max-width:600px;margin:0}
.site-footer{background:#0C2A20;color:#B9CBBB;padding-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px;padding:58px 0}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px}
.footer-col > a{display:block;font-size:14px;margin-bottom:11px;color:#B9CBBB}
.footer-col > a:hover{color:var(--green-2)}
.footer-col p{font-size:13.5px;line-height:1.7;color:#A5B9A6;margin-bottom:10px}
.brand-footer{margin-bottom:20px}
.brand-footer .brand-mark{color:var(--green-2)}
.brand-footer .brand-text strong{color:#fff}
.brand-footer .brand-text small{color:#9CB09D}
.footer-about > p{max-width:330px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,.22);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#DCE9D4}
.footer-social a:hover{background:var(--green);color:#0d271c;border-color:var(--green)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);padding:22px 0 30px;font-size:12.5px;color:#8FA493}
.footer-bottom a.lang-auto{color:#BBD0BC;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.32);white-space:nowrap}
.footer-bottom a.lang-auto:hover{color:#fff;border-bottom-color:#fff}

/* page hero / breadcrumb */
.page-hero{background:var(--cream);border-bottom:1px solid var(--line);padding:64px 0 58px}
.page-hero h1{font-size:clamp(32px,4vw,50px);margin-bottom:14px}
.page-hero p{font-size:16.5px;color:var(--muted);max-width:680px;margin:0}
.breadcrumb{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb span{margin:0 8px;color:#AAB6AB}

/* product detail */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.detail-media{background:var(--cream);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.detail-media img{width:100%;height:470px;object-fit:cover}
.detail-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.detail-thumbs img{height:96px;width:100%;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer}
.detail-info h1{font-size:clamp(28px,3vw,40px);margin-bottom:10px}
.detail-sku{font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--green);margin-bottom:18px}
.detail-sub{font-size:17px;color:var(--muted);margin-bottom:24px}
.detail-desc{font-size:15px;line-height:1.8;color:#3C4D43;margin-bottom:26px}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:28px;font-size:14px}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table th{text-align:left;width:38%;padding:12px 0;color:var(--muted);font-weight:600;vertical-align:top}
.spec-table td{padding:12px 0;color:var(--ink);font-weight:600}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.detail-section{margin-top:80px}
.detail-section h2{font-size:30px;margin-bottom:22px}

/* article */
.article-wrap{max-width:780px;margin-inline:auto}
.article-header{margin-bottom:34px}
.article-header h1{font-size:clamp(30px,4vw,46px);margin-bottom:18px}
.article-meta{display:flex;gap:18px;color:var(--muted);font-size:13.5px;flex-wrap:wrap}
.article-cover{width:100%;height:400px;object-fit:cover;border-radius:var(--radius);margin-bottom:40px}
.article-body{font-size:16.5px;line-height:1.9;color:#33443A}
.article-body h2{font-size:25px;margin:36px 0 14px}
.article-body p{margin-bottom:20px}
.article-body a{color:var(--green);text-decoration:underline}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:16px;display:flex;gap:16px;align-items:flex-start}
.contact-icon{width:42px;height:42px;border-radius:9px;background:var(--cream);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-card h4{font-size:14px;margin-bottom:5px}
.contact-card p,.contact-card a{font-size:14px;color:var(--muted);margin:0;line-height:1.6}
.contact-card a:hover{color:var(--green)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.form-card h2{font-size:25px;margin-bottom:8px}
.form-card > p{font-size:14px;color:var(--muted);margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px}
.form-group label i{color:#C0563B;font-style:normal}
.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid var(--line);background:#FBFCF9;border-radius:7px;padding:12px 14px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(127,166,80,.14);background:#fff}
.form-group textarea{min-height:120px;resize:vertical}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-note{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.6}
.form-success{background:#EAF4DC;border:1px solid #CBE2A9;color:#2C5B2B;padding:16px 18px;border-radius:8px;font-size:14px;margin-bottom:22px}
.form-error{background:#FDECEA;border:1px solid #F3C3BC;color:#9B3A2A;padding:14px 18px;border-radius:8px;font-size:14px;margin-bottom:22px}

/* admin */
.admin-wrap{padding:56px 0 80px}
.admin-top{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px}
.admin-top h1{font-size:34px;margin-bottom:6px}
.admin-top p{color:var(--muted);font-size:14px;margin:0}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat-card b{display:block;font-size:30px;color:var(--ink);line-height:1.1;letter-spacing:-.04em}
.stat-card span{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.admin-table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:900px}
.admin-table th{text-align:left;background:var(--cream);padding:14px 16px;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.admin-table td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top}
.admin-table tr:hover td{background:#FBFCF9}
.admin-table strong{color:var(--ink)}
.admin-table .msg{color:var(--muted);max-width:300px;line-height:1.5}
.status-badge{display:inline-block;padding:4px 10px;border-radius:100px;font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.st-new{background:#E7F0D8;color:#3B6122}
.st-contacted{background:#E3EEF7;color:#285985}
.st-quoted{background:#F7EEDC;color:#8A6517}
.st-closed{background:#ECEDEB;color:#5E6760}
.status-select{border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-size:12.5px;background:#fff;color:var(--ink)}

/* misc */
.error-page{text-align:center;padding:110px 20px 130px}
.error-page .code{font-size:96px;font-weight:800;color:var(--lime);line-height:1;letter-spacing:-.06em}
.error-page h1{font-size:36px;margin:12px 0 14px}
.error-page p{color:var(--muted);margin-bottom:28px}
/* Floating WhatsApp button (bottom-right, every public page) */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.45);transition:transform .22s ease,box-shadow .22s ease}
.wa-float svg{width:32px;height:32px}
.wa-float:hover,.wa-float:focus-visible{transform:translateY(-4px) scale(1.05);box-shadow:0 10px 26px rgba(37,211,102,.55);color:#fff}
.wa-float::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid rgba(37,211,102,.5);animation:wa-pulse 2.4s ease-out infinite;pointer-events:none}
@keyframes wa-pulse{0%{transform:scale(.9);opacity:.8}70%{transform:scale(1.25);opacity:0}100%{transform:scale(1.25);opacity:0}}
.wa-float-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(6px);background:var(--ink);color:#fff;font-size:13px;font-weight:600;padding:7px 13px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:.22s}
.wa-float:hover .wa-float-tip,.wa-float:focus-visible .wa-float-tip{opacity:1;transform:translateY(-50%) translateX(0)}
@media (max-width:600px){.wa-float{width:50px;height:50px;right:16px;bottom:16px}.wa-float svg{width:28px;height:28px}.wa-float-tip{display:none}}

.toast{position:fixed;right:24px;bottom:92px;background:var(--ink);color:#fff;padding:15px 22px;border-radius:10px;box-shadow:var(--shadow-lg);font-size:14px;font-weight:600;z-index:99;opacity:0;transform:translateY(14px);pointer-events:none;transition:.3s;max-width:360px}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{background:#9B3A2A}
.reveal{opacity:1;transform:none}
.reveal.visible{animation:revealIn .65s ease-out both}
@keyframes revealIn{from{opacity:.62;transform:translateY(14px)}to{opacity:1;transform:none}}
.divider-line{height:1px;background:var(--line);margin:0}
.note-band{background:var(--sand);border-radius:var(--radius);padding:28px 32px;font-size:14.5px;color:var(--ink-3);line-height:1.75}
.note-band strong{color:var(--ink)}

@media (max-width:1080px){
  .main-nav{gap:0}
  .main-nav > a,.nav-dropdown > a{padding:10px 9px;font-size:13px}
  .header-inner{gap:16px}
  .grid-4,.app-grid,.cert-grid,.oem-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-contact{grid-column:1/-1}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid rgba(255,255,255,.14)}
}
@media (max-width:860px){
  .section{padding:70px 0}
  .split,.product-detail,.contact-grid{grid-template-columns:1fr;gap:36px}
  .grid-3,.category-grid,.product-grid,.blog-grid,.strength-grid{grid-template-columns:repeat(2,1fr)}
  .hero-visual{inset:0;opacity:.4}
  .hero::before{background:linear-gradient(110deg,rgba(10,38,29,.97),rgba(12,42,32,.82))}
  .hero-inner{min-height:540px;padding-top:60px}
  .feature-split img{height:340px}
  .footer-cta{flex-direction:column;align-items:flex-start}
  .menu-toggle{display:flex}
  .header-actions .btn{display:none}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;padding:12px 24px 20px;display:none;gap:0}
  .main-nav.open{display:flex}
  .main-nav > a,.nav-dropdown > a{padding:13px 6px;font-size:15px;border-bottom:1px solid var(--line)}
  .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 8px 10px;width:auto;background:transparent}
  .caret{display:none}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .container{width:min(100% - 32px,var(--maxw))}
  .section{padding:56px 0}
  .grid-2,.grid-3,.grid-4,.category-grid,.product-grid,.blog-grid,.app-grid,.cert-grid,.oem-grid,.steps,.strength-grid,.stat-cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .stat-item{padding:18px 14px}
  .stat-num{font-size:24px}
  .trust-items{gap:16px}
  .search-form{margin-left:0;width:100%}
  .search-form input{flex:1;width:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:42px 0}
  .footer-contact{grid-column:auto}
  .footer-bottom{flex-direction:column;gap:8px}
  .form-card{padding:24px}
  .article-cover{height:240px}
  .detail-media img{height:320px}
  .admin-top{flex-direction:column;align-items:flex-start}
}

/* inline label wrapper: carries a translatable word without changing layout */
i.u{font-style:normal;font-weight:inherit;letter-spacing:inherit;color:inherit;font-size:inherit}