/* RECH Machinery site */
*{box-sizing:border-box;margin:0;padding:0}
:root{--ink:#1c2733;--muted:#5c6b7a;--brand:#0e6b4f;--brand-dark:#0a5440;--accent:#e8722b;--bg:#ffffff;--alt:#f4f7f9;--line:#e2e8ee}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.6;background:var(--bg)}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.logo{font-size:1.25rem;font-weight:800;color:var(--ink);display:flex;flex-direction:column;line-height:1.1}
.logo-img{height:44px;width:44px;object-fit:contain;border-radius:8px}
.logo-text{font-size:1.2rem;font-weight:800;color:var(--ink);line-height:1.1}
.logo{display:flex;align-items:center;gap:10px;flex-direction:row}
.logo-sub{font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
nav ul{display:flex;gap:22px;list-style:none}
nav a{color:var(--ink);font-weight:500;font-size:.95rem}
nav a.active{color:var(--brand);font-weight:700}
.btn{display:inline-block;padding:10px 22px;border-radius:8px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#d5621d;text-decoration:none}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff;text-decoration:none}
.btn-lg{padding:14px 30px;font-size:1.05rem}
.header-cta{padding:8px 18px;font-size:.88rem}
.hero{background:linear-gradient(135deg,#0a5440 0%,#0e6b4f 55%,#128a63 100%);color:#fff;padding:84px 0 76px}
.hero-wrap{display:flex;align-items:center;gap:44px;justify-content:space-between}
.hero-copy{flex:1;min-width:0}
.hero-scene{width:420px;height:210px;flex-shrink:0;border-radius:14px;box-shadow:0 18px 44px rgba(6,40,30,.35);border:2px solid rgba(255,255,255,.25)}
.hero-kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.8rem;color:#bfe8d8;margin-bottom:14px}
.hero h1,.hero .hero-title{font-size:2.7rem;line-height:1.15;max-width:760px;margin-bottom:18px;color:#fff}
.hero-sub{font-size:1.15rem;max-width:720px;color:#e3f2ec;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:26px;font-size:.92rem;color:#cfeae0}
@media(max-width:980px){.hero-wrap{flex-direction:column;gap:28px}.hero-scene{width:100%;max-width:440px;height:auto}}
.section{padding:64px 0}
.section-alt{background:var(--alt)}
.section-title{font-size:1.7rem;margin-bottom:10px}
.section-title+.muted{margin-bottom:26px}
.grid{display:grid;gap:20px}
.cat-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.value-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.product-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .18s,transform .18s}
.card:hover{box-shadow:0 8px 24px rgba(28,39,51,.12);transform:translateY(-2px);text-decoration:none}
.card img{width:100%;height:190px;object-fit:contain;background:#fff;padding:10px;box-sizing:border-box}
.card-body{padding:14px 16px}
.card-body h3{font-size:.98rem;margin-bottom:6px;color:var(--ink)}
.muted{color:var(--muted)}
.sku-line{font-size:.78rem;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.oem-line{font-size:.78rem;color:var(--brand);margin-top:4px}
.brand-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.brand-chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.9rem;color:var(--ink)}
.brand-chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.brand-count{background:var(--alt);border-radius:999px;padding:1px 9px;font-size:.75rem;color:var(--muted)}
.cat-card img{width:100%;height:150px;object-fit:contain;background:#fff;padding:10px;box-sizing:border-box;border-bottom:1px solid var(--line)}
.cat-card h3{color:var(--brand)}
.card-btn{display:inline-block;margin-top:12px;padding:9px 18px;background:var(--brand);color:#fff;border-radius:8px;font-weight:600;font-size:.88rem}
.card-btn:hover{background:var(--brand-dark);text-decoration:none}
.card-icon-svg{width:46px;height:46px;display:block;margin-bottom:12px}
.mt-line{font-size:.78rem;color:var(--brand);margin-top:6px;font-weight:600}
.badge-coming{display:inline-block;background:var(--alt);color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 12px;font-size:.75rem;font-weight:600;margin-top:4px}
.empty-state{text-align:center;padding:60px 24px;background:var(--alt);border:1px dashed var(--line);border-radius:12px}
.empty-state h2{color:var(--brand-dark);margin-bottom:10px}
.empty-state p{max-width:640px;margin:0 auto 22px;color:var(--muted)}
.link{font-weight:600}
.center{text-align:center;margin-top:28px}
.cta-band{background:var(--brand-dark);color:#fff;padding:60px 0;text-align:center}
.cta-band h2{font-size:1.8rem;margin-bottom:10px}
.cta-band p{max-width:640px;margin:0 auto 24px;color:#d7ece4}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.site-footer{background:#101820;color:#9fb0bf;padding:48px 0 0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;padding-bottom:32px}
.site-footer h4{color:#fff;margin-bottom:10px}
.site-footer a{color:#9fb0bf}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #22303c;padding:16px 20px;text-align:center;color:#6d7f8e}
.page-head{background:var(--alt);padding:52px 0 44px;border-bottom:1px solid var(--line)}
.head-split{display:flex;align-items:center;gap:32px;justify-content:space-between}
.head-text{flex:1;min-width:0}
.head-scene{width:340px;height:170px;object-fit:contain;flex-shrink:0;border:1px solid var(--line);border-radius:12px;background:#fff;padding:8px;box-sizing:border-box}
@media(max-width:820px){.head-split{flex-direction:column;gap:18px}.head-scene{width:100%;max-width:340px}}
.page-head h1{font-size:2.1rem;margin-bottom:10px}
.page-head .muted{max-width:760px}
.breadcrumb{background:var(--alt);padding:12px 0;font-size:.85rem;color:var(--muted);border-bottom:1px solid var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb .sep{margin:0 8px;color:#b7c2cc}
.product-detail{padding:40px 0}
.pd-top{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;margin-bottom:40px}
.pd-img img{width:100%;border-radius:12px;border:1px solid var(--line);background:#fff}
.brand-tag{display:inline-block;background:#e7f4ee;color:var(--brand);font-weight:700;font-size:.78rem;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.pd-info h1{font-size:1.9rem;line-height:1.2;margin-bottom:10px}
.sku-big{margin-bottom:14px;font-size:1.05rem}
.sku-big strong{font-family:ui-monospace,Menlo,monospace;color:var(--brand)}
.pd-cta{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.pd-points{margin:8px 0 0 18px;color:var(--muted)}
.specs-block{margin:0 0 40px}
.specs-block h2{font-size:1.35rem;margin-bottom:12px}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.spec-table th{background:var(--alt);font-weight:600}
.spec-table tbody tr:nth-child(even){background:#fafcfd}
.oem-table td:first-child{white-space:nowrap}
.oem-table td:nth-child(2){font-family:ui-monospace,Menlo,monospace}
.menu-group-label{display:block;padding:8px 12px 4px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.has-sub > a{padding-right:26px}
.has-sub > a::after{content:"▾";position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.8em}
.sub-menu{display:none;position:static;min-width:100%;background:transparent;border:none;box-shadow:none;border-left:3px solid var(--brand);margin:2px 0 6px 8px;padding:2px 0 2px 10px;max-height:none;overflow:visible}
.dropdown-menu li.open > .sub-menu{display:block}
.sub-menu a{font-size:.85rem}
.menu-divider{border-top:1px solid var(--line);margin:6px 0}
.browse-tabs{display:flex;gap:8px;margin:0 0 26px;border-bottom:2px solid var(--line);padding-bottom:0}
.browse-tabs .tab{display:inline-block;padding:10px 20px;font-weight:600;font-size:.95rem;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px}
.browse-tabs .tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.brand-link{color:var(--brand-dark)}
.filters{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.filters input,.filters select{padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;min-width:220px}
.cat-title{font-size:1.3rem;margin:8px 0 18px;display:flex;align-items:center;gap:10px}
.cat-title .count{background:var(--alt);border-radius:999px;padding:2px 12px;font-size:.8rem;color:var(--muted)}
.cat-group{margin-bottom:44px}
.about-body h2{margin:28px 0 12px;color:var(--brand-dark)}
.about-body p,.about-body li{margin-bottom:10px}
.about-body ul{margin-left:20px}
.contact-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.contact-card h3{color:var(--brand-dark)}
.contact-card li{margin-left:18px;margin-bottom:6px}
.brands-table td:first-child{font-weight:600}
.brand-block{border-bottom:1px solid var(--line)}
.brand-block-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.brand-block-head h2{font-size:1.5rem;color:var(--brand-dark)}
.brand-desc{margin-bottom:18px;max-width:760px}
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:210px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 28px rgba(28,39,51,.14);padding:8px;z-index:100;max-height:70vh;overflow:auto}
.dropdown:hover .dropdown-menu,.dropdown.open .dropdown-menu{display:block}
.dropdown-menu li{display:block}
.dropdown-menu a{display:block;padding:8px 12px;border-radius:8px;font-size:.9rem;color:var(--ink)}
.dropdown-menu a:hover{background:var(--alt);color:var(--brand);text-decoration:none}
.drop-toggle{cursor:pointer;white-space:nowrap}
.blog-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.blog-card img{width:100%;height:170px;object-fit:cover;padding:0;border-bottom:1px solid var(--line);border-radius:12px 12px 0 0}
.blog-cover{width:100%;border-radius:12px;border:1px solid var(--line);margin-bottom:24px}
.blog-card h3{font-size:1.05rem;margin-bottom:6px}
.blog-date{font-size:.78rem;color:var(--muted);margin-bottom:8px}
.blog-content{max-width:820px}
.blog-content h1{font-size:2rem;margin-bottom:8px}
.blog-meta{font-size:.85rem;color:var(--muted);margin-bottom:22px}
.blog-content h2{font-size:1.4rem;color:var(--brand-dark);margin:26px 0 10px}
.blog-content h3{font-size:1.15rem;margin:20px 0 8px}
.blog-content p{margin-bottom:12px}
.blog-content ul,.blog-content ol{margin:0 0 14px 22px}
.blog-content li{margin-bottom:6px}
.blog-content blockquote{border-left:4px solid var(--brand);background:var(--alt);padding:12px 16px;margin:16px 0;border-radius:0 8px 8px 0}
.blog-content blockquote p{margin:0}
.blog-content strong{color:var(--ink)}
.tag{display:inline-block;background:var(--alt);border-radius:999px;padding:2px 10px;font-size:.75rem;color:var(--muted);margin-left:6px}
.cap-block{border-bottom:1px solid var(--line);padding:22px 0}
.cap-block:last-child{border-bottom:none}
.cap-block-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.cap-block-head h2{font-size:1.4rem;color:var(--brand-dark)}
.cap-num{font-family:ui-monospace,Menlo,monospace;font-size:.95rem;color:#fff;background:var(--brand);border-radius:8px;padding:4px 10px}
.cap-block p{margin-bottom:8px;max-width:860px}
.contact-wrap{display:grid;grid-template-columns:340px 1fr;gap:26px;align-items:start}
.contact-side{display:grid;gap:16px}
.contact-main .form-card .card-body{padding:22px 24px}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px;color:var(--ink)}
.contact-form input,.contact-form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;background:#fff}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand)}
.form-note{margin-top:10px;font-size:.82rem}
@media(max-width:820px){.contact-wrap{grid-template-columns:1fr}.contact-form .form-row{grid-template-columns:1fr}}
.cert-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:14px 0 20px}
.cert-grid .card h3{color:var(--brand-dark);font-size:1rem}
.disclaimer{font-size:.8rem;color:var(--muted);line-height:1.55;border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.footer-disclaimer{border-top:1px solid #22303c;padding:20px 20px 0;color:#8fa2b1}
.footer-disclaimer .disclaimer{border-top:none;padding-top:0;margin-top:0;color:#8fa2b1}
.detail-disclaimer{margin:8px 0 36px;padding:16px 18px;background:var(--alt);border-radius:10px}
.detail-disclaimer .disclaimer{border-top:none;padding-top:0;margin-top:0}
@media(max-width:820px){.hero h1{font-size:2rem}.pd-top{grid-template-columns:1fr}.header-inner{flex-wrap:wrap;height:auto;padding:12px 0}nav ul{flex-wrap:wrap;gap:12px}}