/* ==========================================================================
   BOSMAN GROUP — Global Stylesheet (Light theme, mobile-first)
   ========================================================================== */
:root{
  --green-950:#0A2E19;
  --green-900:#0E3B23;
  --green-800:#12512E;
  --green-700:#14602F;
  --green-600:#1B7A3D;
  --green-500:#2E9B47;
  --green-100:#DFEFE2;
  --green-50:#F3F8F2;
  --leaf:#8CC63F;
  --gold:#C9A227;
  --bg:#F7FAF6;
  --surface:#FFFFFF;
  --ink:#17251B;
  --muted:#5A6B5E;
  --line:#E2EAE0;
  --radius:14px;
  --shadow:0 10px 30px rgba(14,59,35,.08);
  --shadow-lg:0 18px 50px rgba(14,59,35,.14);
  --container:1180px;
  --font:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green-600);text-decoration:none}
a:hover{color:var(--green-800)}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand svg{width:40px;height:40px;flex:none}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.04em;color:var(--green-900);line-height:1.1}
.brand-name small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.22em;color:var(--green-500)}
.main-nav{display:none;gap:6px}
.main-nav a{
  padding:9px 16px;border-radius:8px;font-weight:600;font-size:15px;color:var(--ink);
}
.main-nav a:hover{background:var(--green-50);color:var(--green-700)}
.main-nav a.active{background:var(--green-600);color:#fff}
.nav-toggle{display:none}
.nav-btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  border:1.5px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer;
  background:#fff;color:var(--green-800);
}
.nav-btn .bars{display:inline-block;width:18px;height:2px;background:currentColor;position:relative;box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor}
/* nav + language switcher wrapper */
.nav-wrap{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;gap:4px}
.lang-switch a{
  font-size:12.5px;font-weight:800;letter-spacing:.04em;text-decoration:none;
  color:var(--green-700);background:#fff;border:1px solid var(--line);
  border-radius:8px;padding:5px 9px;line-height:1;
}
.lang-switch a:hover{background:var(--green-50);color:var(--green-800)}
.lang-switch a.cur{background:var(--green-700);color:#fff;border-color:var(--green-700)}
@media(max-width:900px){
  .nav-wrap{
    display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    align-items:stretch;gap:10px;background:#fff;border-bottom:1px solid var(--line);
    padding:12px 22px 18px;box-shadow:var(--shadow);
  }
  .nav-toggle:checked ~ .nav-wrap{display:flex}
  .nav-wrap .main-nav{display:flex;flex-direction:column;gap:4px}
  .lang-switch{flex-wrap:wrap}
  .lang-switch a{flex:1 1 0;text-align:center;padding:8px 6px}
}
@media(min-width:901px){.nav-wrap{display:flex}.nav-btn{display:none}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:15.5px;
  transition:.2s;cursor:pointer;border:none;
}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:0 6px 18px rgba(27,122,61,.3)}
.btn-primary:hover{background:var(--green-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-outline{background:#fff;color:var(--green-700);border:1.5px solid var(--green-600)}
.btn-outline:hover{background:var(--green-50)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--green-950) 0%,var(--green-800) 55%,var(--green-600) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.06'%3E%3Cpath d='M0 60h120M60 0v120'/%3E%3Ccircle cx='60' cy='60' r='40'/%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner{
  position:relative;z-index:1;padding:84px 0 72px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.hero-copy{max-width:640px}
.hero .kicker{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 16px;
  font-size:13px;font-weight:600;letter-spacing:.08em;margin-bottom:22px;
}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--leaf)}
.hero p.lead{margin:20px 0 30px;font-size:clamp(16px,2.2vw,19px);color:#DDEBDC;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-chips span{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;
}

/* hero visual collage (real product photography) */
.hero-visual{position:relative;min-height:480px}
.hero-halo{
  position:absolute;inset:6% 0 4% 8%;border-radius:50%;
  background:radial-gradient(circle at 45% 40%,rgba(140,198,63,.34),rgba(140,198,63,0) 62%);
  filter:blur(4px);
}
.hero-photo{margin:0;position:absolute;background:#fff;border-radius:24px;overflow:hidden;
  box-shadow:0 26px 60px rgba(0,0,0,.32);border:6px solid rgba(255,255,255,.92)}
.hero-photo img{display:block;width:100%;height:100%;object-fit:cover}
.hero-photo-main{inset:8% 8% 10% 14%;border-radius:30px;animation:hero-float 7s ease-in-out infinite}
.hero-photo-a{width:34%;aspect-ratio:1;left:0;bottom:4%;border-radius:20px;animation:hero-float 7s ease-in-out .9s infinite}
.hero-photo-b{width:28%;aspect-ratio:1;right:2%;top:2%;border-radius:18px;animation:hero-float 7s ease-in-out 1.7s infinite}
@keyframes hero-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-float{
  position:absolute;background:rgba(255,255,255,.96);color:var(--green-950);
  border-radius:14px;padding:10px 16px;box-shadow:0 14px 34px rgba(0,0,0,.26);
  display:flex;flex-direction:column;line-height:1.25;backdrop-filter:blur(4px);
}
.hero-float b{font-size:14px;font-weight:800}
.hero-float span{font-size:11.5px;color:#3E6B45}
.hero-float.f-iso{right:6%;bottom:0}
.hero-float.f-geo{left:8%;top:6%}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section.alt{background:var(--surface)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-block;color:var(--green-600);font-weight:800;font-size:13px;
  letter-spacing:.18em;text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(25px,3.4vw,36px);line-height:1.25;font-weight:800;color:var(--green-950)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}

/* ---------- Stats ---------- */
.stats{
  background:var(--green-900);color:#fff;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.05'%3E%3Ccircle cx='60' cy='60' r='46'/%3E%3C/g%3E%3C/svg%3E");
}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:26px;padding:52px 0}
.stat b{display:block;font-size:clamp(26px,4vw,40px);font-weight:800;color:var(--leaf);line-height:1.1}
.stat span{font-size:14px;color:#C8DAC8;font-weight:600}
@media(min-width:760px){.stats-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:block;transition:.22s;position:relative;overflow:hidden;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--green-100)}
.cat-card .icon{
  width:52px;height:52px;border-radius:12px;background:var(--green-50);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.cat-card .icon svg{width:28px;height:28px}
.cat-card h3{font-size:17.5px;font-weight:800;color:var(--green-950);margin-bottom:6px}
.cat-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
.cat-card .count{font-size:13px;font-weight:700;color:var(--green-600)}

/* ---------- Filter bar ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:34px}
.pill{
  border:1.5px solid var(--line);background:#fff;border-radius:999px;
  padding:8px 18px;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:.15s;
}
.pill:hover{border-color:var(--green-500);color:var(--green-700)}
.pill.active{background:var(--green-600);border-color:var(--green-600);color:#fff}
.search-box{margin-left:auto;position:relative;min-width:230px;flex:1;max-width:320px}
.search-box input{
  width:100%;padding:10px 14px 10px 38px;border:1.5px solid var(--line);border-radius:999px;
  font-size:14px;font-family:inherit;background:#fff;outline:none;
}
.search-box input:focus{border-color:var(--green-500)}
.search-box::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;border:2px solid var(--muted);border-radius:50%;
}
.search-box::after{
  content:"";position:absolute;left:24px;top:60%;width:7px;height:2px;background:var(--muted);transform:rotate(45deg);
}

/* ---------- Product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.prod-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.22s;
}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.prod-card .thumb{
  aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line);position:relative;overflow:hidden;
}
.prod-card .thumb img{width:100%;height:100%;object-fit:contain;padding:14px}
.prod-card .ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.prod-card .body{padding:16px 18px 18px;flex:1;display:flex;flex-direction:column}
.prod-card h3{font-size:15.5px;font-weight:800;color:var(--green-950);line-height:1.35}
.prod-card .cas{font-size:12.5px;color:var(--muted);margin-top:4px;font-weight:600}
.prod-card .forms{margin-top:auto;padding-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.tag{
  display:inline-block;background:var(--green-50);color:var(--green-700);
  border-radius:6px;padding:3px 9px;font-size:11.5px;font-weight:700;
}
.tag.gold{background:#FBF4DD;color:#8A6D14}

/* ---------- Prose ---------- */
.prose{max-width:800px}
.prose p{margin-bottom:16px;color:#33463A}
.prose h3{margin:28px 0 12px;font-size:20px;color:var(--green-950)}
.prose ul{margin:0 0 16px 22px;color:#33463A}
.prose li{margin-bottom:8px}

/* ---------- Feature rows ---------- */
.feat-row{display:grid;gap:36px;align-items:center;margin-bottom:56px}
.feat-row:last-child{margin-bottom:0}
@media(min-width:860px){.feat-row{grid-template-columns:1fr 1fr}.feat-row.flip .media{order:2}}
.feat-row .media{
  border-radius:var(--radius);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.feat-row h3{font-size:22px;font-weight:800;color:var(--green-950);margin-bottom:12px}
.feat-row p{color:var(--muted)}
.check-list{margin:16px 0 0;list-style:none}
.check-list li{
  padding-left:30px;position:relative;margin-bottom:10px;color:#33463A;font-weight:500;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23146B2F' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12l5 5L20 6'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* ---------- Why cards ---------- */
.why-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.why-card{background:var(--green-50);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.why-card .icon{width:48px;height:48px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:var(--shadow)}
.why-card h3{font-size:16.5px;font-weight:800;color:var(--green-950);margin-bottom:8px}
.why-card p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq summary{
  cursor:pointer;padding:18px 22px;font-weight:700;color:var(--green-950);
  list-style:none;position:relative;padding-right:52px;font-size:15.5px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--green-600);transition:.2s;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:15px}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--green-800),var(--green-600));
  border-radius:20px;color:#fff;padding:56px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.07'%3E%3Ccircle cx='60' cy='60' r='42'/%3E%3C/g%3E%3C/svg%3E");
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;margin-bottom:12px}
.cta-band p{color:#D8E9D6;margin-bottom:26px}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-950);color:#B9CCBC;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;padding:60px 0 40px;
}
@media(min-width:860px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;letter-spacing:.04em}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:9px;font-size:14px}
.site-footer a{color:#B9CCBC}
.site-footer a:hover{color:var(--leaf)}
.footer-brand p{font-size:14px;margin:14px 0;line-height:1.7;max-width:300px}
.footer-base{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:#8FA795;
}

/* ---------- Breadcrumb & detail ---------- */
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green-700)}
.detail-grid{display:grid;gap:36px;margin:28px 0 10px}
@media(min-width:880px){.detail-grid{grid-template-columns:minmax(0,480px) 1fr}}
.detail-gallery{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:14px;align-self:start;box-shadow:var(--shadow);
}
.detail-gallery .main-img{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:#fff}
.detail-gallery .main-img img{max-height:100%;object-fit:contain}
.detail-gallery .thumbs{display:flex;gap:10px;flex-wrap:wrap}
.detail-gallery .thumbs img{width:72px;height:72px;object-fit:contain;border:1.5px solid var(--line);border-radius:10px;padding:6px;background:#fff;cursor:pointer}
.detail-gallery .thumbs img.sel{border-color:var(--green-600)}
.detail-info h1{font-size:clamp(26px,3.6vw,38px);font-weight:800;color:var(--green-950);line-height:1.2}
.detail-info .sub{color:var(--muted);margin:10px 0 22px;font-size:15.5px}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14.5px;margin:18px 0 24px}
.spec-table th,.spec-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table th{width:170px;background:var(--green-50);color:var(--green-900);font-weight:700}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.page-hero{
  background:linear-gradient(120deg,var(--green-950),var(--green-800));color:#fff;padding:58px 0;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.06'%3E%3Ccircle cx='60' cy='60' r='40'/%3E%3C/g%3E%3C/svg%3E");
}
.page-hero .inner{position:relative;z-index:1;max-width:760px}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800}
.page-hero p{margin-top:12px;color:#CBDFCB;font-size:16.5px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;gap:28px}
@media(min-width:860px){.contact-grid{grid-template-columns:1fr 1fr}}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.info-card h3{font-size:18px;font-weight:800;color:var(--green-950);margin-bottom:18px}
.info-line{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.info-line .ic{width:42px;height:42px;flex:none;border-radius:10px;background:var(--green-50);display:flex;align-items:center;justify-content:center}
.info-line b{display:block;font-size:14px;color:var(--green-950)}
.info-line span{font-size:14.5px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form-card .row{display:grid;gap:16px;margin-bottom:16px}
@media(min-width:640px){.form-card .row.two{grid-template-columns:1fr 1fr}}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--green-900);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;outline:none;background:var(--bg);
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--green-500);background:#fff}

/* ---------- Timeline ---------- */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--green-100)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3.5px solid var(--green-600);
}
.tl-item b{display:block;color:var(--green-700);font-size:15px;letter-spacing:.03em}
.tl-item h4{font-size:16.5px;color:var(--green-950);margin:2px 0 4px}
.tl-item p{font-size:14.5px;color:var(--muted)}

/* misc */
.text-center{text-align:center}
.mt-30{margin-top:30px}
.note{font-size:13px;color:var(--muted)}
/* 联系表单：honeypot 防垃圾 + 提交状态提示 */
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{margin-top:12px;font-size:14px;font-weight:600}

/* ==========================================================================
   Responsive — Tablet (≤1024px), Large phone (≤768px), Phone (≤600px)
   ========================================================================== */
html,body{max-width:100%;overflow-x:hidden}

/* ---------- Tablet ---------- */
@media(max-width:1024px){
  .container{padding:0 20px}
  .hero-inner{padding:72px 0 62px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:30px}
  .hero-visual{min-height:400px}
  .section{padding:64px 0}
  .prod-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .cat-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}

/* ---------- Large phone / small tablet ---------- */
@media(max-width:768px){
  .header-inner{height:64px}
  .nav-wrap{top:64px}
  .brand svg{width:34px;height:34px}
  .brand-name{font-size:17px}
  .hero-inner{padding:52px 0 44px;grid-template-columns:1fr;gap:34px}
  .hero-copy{max-width:none}
  .hero-visual{min-height:330px}
  .hero-photo-main{inset:6% 22% 8% 22%}
  .hero-photo-a{width:30%;left:4%;bottom:2%}
  .hero-photo-b{width:24%;right:6%;top:0}
  .hero-float.f-geo{left:4%;top:2%}
  .hero-float.f-iso{right:4%;bottom:0}
  .hero h1{font-size:clamp(26px,7vw,36px)}
  .hero p.lead{font-size:16px;margin:16px 0 24px}
  .hero-chips{margin-top:26px}
  .hero-chips span{font-size:12.5px;padding:6px 12px}
  .hero-cta .btn{flex:1 1 100%}
  .page-hero{padding:44px 0}
  .page-hero h1{font-size:clamp(24px,6.6vw,32px)}
  .page-hero p{font-size:15px}
  .section{padding:54px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:clamp(22px,5.6vw,30px)}
  .section-head p{font-size:15.5px}
  .stats-grid{padding:40px 0;gap:20px}
  .stat b{font-size:28px}
  .stat span{font-size:13px}
  .cat-grid,.why-grid{grid-template-columns:repeat(auto-fill,minmax(45%,1fr));gap:14px}
  .cat-card{padding:20px 18px}
  .cat-card .icon{width:44px;height:44px;margin-bottom:12px}
  .cat-card h3{font-size:16px}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .prod-card h3{font-size:14px}
  .prod-card .body{padding:12px 13px 14px}
  .prod-card .thumb img{padding:8px}
  .tag{font-size:11px;padding:2px 7px}
  .detail-grid{gap:24px;margin:20px 0 6px}
  .detail-info h1{font-size:clamp(23px,6vw,30px)}
  .detail-gallery{padding:16px}
  .detail-gallery .thumbs img{width:58px;height:58px}
  .detail-actions .btn{flex:1 1 100%;text-align:center}
  .feat-row{gap:22px;margin-bottom:40px}
  .feat-row h3{font-size:19px}
  .contact-grid{gap:20px}
  .info-card,.form-card{padding:22px}
  .cta-band{padding:38px 22px;border-radius:16px}
  .cta-band h2{font-size:clamp(21px,5.6vw,28px)}
  .cta-band .btn{width:100%}
  .faq summary{padding:15px 18px;font-size:15px;padding-right:46px}
  .faq .a{padding:0 18px 16px;font-size:14.5px}
  .filter-bar{gap:8px}
  .pill{padding:7px 14px;font-size:13px}
  .search-box{margin-left:0;flex:1 1 100%;max-width:none;order:-1}
  .footer-grid{padding:44px 0 30px;gap:28px}
  .footer-base{flex-direction:column;gap:6px;font-size:12.5px}
  .timeline{padding-left:26px}
  .tl-item{padding-bottom:22px}
  .crumbs{font-size:12.5px;padding:14px 0 0}
}

/* ---------- Phone ---------- */
@media(max-width:600px){
  .container{padding:0 16px}
  .hero-visual{min-height:270px}
  .hero-photo{border-width:4px;border-radius:16px}
  .hero-photo-main{inset:4% 14% 6% 14%}
  .hero-float{padding:7px 11px;border-radius:10px}
  .hero-float b{font-size:12px}
  .hero-float span{font-size:10px}
  @keyframes hero-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  /* spec table stacks: label above value, no horizontal scroll */
  .spec-table{border:0;background:transparent;font-size:14px}
  .spec-table tr{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px}
  .spec-table th,.spec-table td{display:block;width:auto;border-bottom:none;padding:9px 14px}
  .spec-table th{padding-bottom:0;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase}
  .spec-table tr:last-child{margin-bottom:16px}
  .info-line{flex-direction:column;gap:8px}
  .info-line .ic{width:38px;height:38px}
  .brand-name small{display:none}
  .stat b{font-size:26px}
  .cat-grid,.why-grid{grid-template-columns:1fr}
  .detail-gallery .thumbs img{width:52px;height:52px}
  .prose{font-size:15px}
  .footer-brand p{font-size:13.5px}
}

/* ---------- Very small ---------- */
@media(max-width:380px){
  .prod-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}
}

/* ---------- Large screens ---------- */
@media(min-width:1400px){
  .container{max-width:1280px}
}

/* ---------- Touch targets & hover fallback ---------- */
@media(hover:none){
  .prod-card:hover,.cat-card:hover{transform:none;box-shadow:var(--shadow)}
  .btn-primary:hover{transform:none}
}

/* ---------- Certificates ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.cert-card .shot{background:#F4F7F3;border-bottom:1px solid var(--line);padding:18px;display:flex;align-items:center;justify-content:center}
.cert-card .shot img{max-height:220px;width:auto;object-fit:contain;box-shadow:0 6px 18px rgba(14,59,35,.16);border-radius:6px}
.cert-card .body{padding:18px 20px 20px;flex:1}
.cert-card h3{font-size:16.5px;font-weight:800;color:var(--green-950);margin-bottom:6px}
.cert-card .meta{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.cert-card dl{margin:0;font-size:13.5px}
.cert-card dl div{display:flex;gap:10px;padding:6px 0;border-top:1px dashed var(--line)}
.cert-card dl div:first-child{border-top:none}
.cert-card dt{flex:none;width:96px;color:var(--green-800);font-weight:700}
.cert-card dd{margin:0;color:#33463A}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;justify-content:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:9px 18px;font-size:13.5px;font-weight:700;color:var(--green-800);
}
@media(max-width:768px){
  .cert-grid{grid-template-columns:1fr}
  .cert-card .shot img{max-height:180px}
  .cert-card dl div{flex-direction:column;gap:2px}
  .cert-card dt{width:auto}
}

/* ---------- Anchor offset under sticky header ---------- */
h2[id],section[id],div[id]{scroll-margin-top:88px}
@media(max-width:768px){h2[id],section[id],div[id]{scroll-margin-top:76px}}

/* ---------- Technical document downloads ---------- */
.doc-block{margin-top:30px;padding:22px 24px;background:#F6FAF6;border:1px solid #DCEBDC;border-radius:16px}
.doc-block h3{font-size:16px;font-weight:800;color:var(--green-950);margin:0 0 14px}
.doc-list{display:grid;gap:10px}
.doc-item{display:flex;align-items:center;gap:14px;padding:13px 16px;background:#fff;border:1px solid #E3EFE3;
  border-radius:12px;text-decoration:none;color:inherit;transition:border-color .18s,box-shadow .18s,transform .18s}
.doc-item:hover{border-color:var(--green-600);box-shadow:0 6px 18px rgba(21,90,46,.10);transform:translateY(-1px)}
.doc-ico{flex:0 0 auto;font-size:11px;font-weight:800;letter-spacing:.06em;color:#fff;background:var(--green-700);
  border-radius:6px;padding:5px 8px;line-height:1}
.doc-txt{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}
.doc-txt b{font-size:14px;font-weight:700;color:var(--green-950)}
.doc-txt em{font-style:normal;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc-dl{flex:0 0 auto;font-size:18px;color:var(--green-700);font-weight:700}
@media(max-width:600px){
  .doc-block{padding:16px 14px}
  .doc-item{gap:10px;padding:11px 12px}
  .doc-txt b{font-size:13px}
}