/* YEARAN — 沿用 yearan.cn 线上首页 Design Token */
:root{
  --green:#1E7A46; --green-dark:#0F4D2B; --green-deep:#0B3820;
  --amber:#E9A23B; --amber-ink:#3A2503;
  --ink:#14201A; --muted:#5C6B62; --line:#E3EAE5;
  --bg:#FFFFFF; --bg-soft:#F4F8F5;
  --radius:16px; --radius-lg:24px;
  --shadow:0 1px 2px rgba(16,40,28,.06), 0 8px 24px rgba(16,40,28,.08);
  --shadow-lg:0 2px 4px rgba(16,40,28,.06), 0 18px 48px rgba(16,40,28,.12);
  --wrap:1180px; --sec:84px;
  --font-h:'Manrope','Montserrat','PingFang SC','Microsoft YaHei',sans-serif;
  --font-b:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-b); font-size:16px; line-height:1.65;
  color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font:inherit;color:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.sec{padding:var(--sec) 0}
.sec.sec-alt{background:var(--bg-soft)}
/* 白底区块：白色卡片加柔和阴影，避免与背景糊在一起 */
.sec:not(.sec-alt) .cat,
.sec:not(.sec-alt) .why,
.sec:not(.sec-alt) .cert,
.sec:not(.sec-alt) .acard,
.sec:not(.sec-alt) .srich{box-shadow:0 2px 12px rgba(11,56,32,.07)}
.sec:not(.sec-alt) .cat:hover,
.sec:not(.sec-alt) .acard:hover,
.sec:not(.sec-alt) .srich:hover{box-shadow:0 14px 38px -20px rgba(20,32,26,.42)}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  font-family:var(--font-h);font-weight:700;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--green);margin-bottom:12px
}
h1,h2,h3,h4{font-family:var(--font-h);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h1{font-size:52px} h2{font-size:38px} h3{font-size:22px} h4{font-size:18px}
.lead{font-size:18px;color:var(--muted);line-height:1.7}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-h);font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease, box-shadow .16s ease, background .16s ease;
  white-space:nowrap
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary{background:var(--green);color:#fff}
.btn-amber{background:var(--amber);color:var(--amber-ink)}
.btn-dark{background:var(--green-deep);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}

/* ---------- header / nav ---------- */
/* ===== Top Bar（LOGO slogan 上移为独立顶部条）===== */
.topbar{background:var(--green-deep);color:rgba(255,255,255,.92);font-size:12.5px}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:40px}
.tb-left{display:flex;align-items:center;gap:14px;min-width:0}
.tb-badge{font-family:var(--font-h);font-weight:800;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--amber);white-space:nowrap;flex-shrink:0}
.tb-promise{color:rgba(255,255,255,.8);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;position:relative;padding-left:14px}
.tb-promise::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:rgba(255,255,255,.28)}
.tb-right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.tb-link{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.9);
  text-decoration:none;transition:color .18s;white-space:nowrap}
.tb-link svg{flex-shrink:0;opacity:.8}
.tb-link:hover{color:var(--amber)}
.tb-link:hover svg{opacity:1}

.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)
}
.nav-in{display:flex;align-items:center;gap:32px;height:76px}
.logo{display:flex;align-items:center;flex-shrink:0;text-decoration:none}
.logo-mark{height:50px;width:auto;display:block;position:relative;top:11px}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{
  font-family:var(--font-h);font-weight:600;font-size:15px;color:var(--ink);
  position:relative;padding:4px 0;transition:color .16s
}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--green);border-radius:2px
}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}

/* language switcher */
.lang{display:flex;gap:4px;background:var(--bg-soft);padding:4px;border-radius:10px}
.lang a{
  padding:5px 11px;border-radius:7px;font-size:13px;font-weight:600;
  font-family:var(--font-h);color:var(--muted);transition:.16s
}
.lang a:hover{color:var(--ink)}
.lang a.on{background:#fff;color:var(--green);box-shadow:0 1px 2px rgba(16,40,28,.08)}

.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- page header band ---------- */
.phead{
  background:var(--green-deep);border-radius:var(--radius-lg);
  padding:52px 56px;margin-bottom:56px;position:relative;overflow:hidden
}
.phead::after{
  content:'';position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(233,162,59,.18),transparent 70%);border-radius:50%
}
.phead .crumb{font-size:13px;color:#8FB7A0;margin-bottom:14px}
.phead .crumb a:hover{color:#fff}
.phead h1{color:#fff;font-size:44px;margin-bottom:14px;position:relative}
.phead p{color:#A9C2B4;font-size:17px;max-width:640px;line-height:1.7;position:relative}
.phead-chip{
  display:inline-block;background:var(--amber);color:var(--amber-ink);
  font-family:var(--font-h);font-weight:700;font-size:12px;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;position:relative
}

/* ---------- hero ---------- */
.hero{background:var(--green-deep);padding:96px 0;position:relative;overflow:hidden}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(1200px 600px at 80% 10%,rgba(233,162,59,.16),transparent 60%)
}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-chip{
  display:inline-block;background:var(--amber);color:var(--amber-ink);
  font-family:var(--font-h);font-weight:700;font-size:12px;letter-spacing:.08em;
  padding:7px 15px;border-radius:999px;margin-bottom:22px
}
.hero h1{color:#fff;font-size:54px;line-height:1.08;margin-bottom:20px}
.hero p{color:#A9C2B4;font-size:18px;line-height:1.75;max-width:520px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px 28px;color:#8FA3B3;font-size:14px}
.hero-stats b{color:#fff;font-family:var(--font-h);font-weight:800}
.hero-fig{border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.hero-fig img{width:100%;height:420px;object-fit:cover}

/* ---------- grids ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* ---------- category card ---------- */
.cat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column
}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cat-img{height:200px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.cat-img img{width:100%;height:100%;object-fit:contain;padding:18px;transition:transform .4s ease;mix-blend-mode:multiply}
.cat:hover .cat-img img{transform:scale(1.04)}
.cat-body{padding:18px 20px 20px}
.cat-body h3{font-size:17px;margin-bottom:6px}
.cat-body p{font-size:13.5px;color:var(--muted);line-height:1.6}
.cat-meta{
  font-family:var(--font-h);font-weight:700;font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--green);margin-bottom:8px
}

/* ---------- 首页五大系列：一排 5 个 ---------- */
.cats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.cats-row .cat-img{height:148px}
.cats-row .cat-img img{padding:14px}
.cats-row .cat-body{padding:14px 15px 16px}
.cats-row .cat-meta{font-size:10px;margin-bottom:6px}
.cats-row .cat-body h3{font-size:14.5px;line-height:1.3;margin-bottom:5px}
.cats-row .cat-body p{font-size:12.2px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 系列切换器 ---------- */
.catbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;
  padding:10px 14px;margin:0 0 30px}
.catbar-lbl{font-family:var(--font-h);font-weight:800;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);white-space:nowrap}
.catbar-items{display:flex;gap:8px;flex-wrap:wrap}
.catbar-item{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:11px;
  background:#fff;border:1px solid var(--line);text-decoration:none;white-space:nowrap;
  font-family:var(--font-h);font-weight:700;font-size:13px;color:var(--ink);
  transition:transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease}
.catbar-item:hover{transform:translateY(-2px);border-color:var(--green);color:var(--green);box-shadow:var(--shadow)}
.catbar-item.on{background:var(--green);border-color:var(--green);color:#fff;
  box-shadow:0 8px 20px rgba(30,122,70,.22)}
.catbar-c{display:inline-flex;align-items:center;justify-content:center;min-width:21px;height:21px;
  padding:0 6px;border-radius:11px;background:var(--bg-soft);color:var(--green);
  font-size:11px;font-weight:800;line-height:1}
.catbar-item.on .catbar-c{background:rgba(255,255,255,.24);color:#fff}
/* Top Bar 响应式：优先保 slogan，其次保电话，邮箱最后舍弃 */
@media(max-width:1080px){.tb-promise{display:none}}
@media(max-width:700px){.tb-mail{display:none}}
@media(max-width:400px){.tb-badge{font-size:9.5px;letter-spacing:.1em}}
/* 极窄屏：进一步压缩语言切换器，保证 EN/中文/RU 三个都能留在顶栏 */
@media(max-width:520px){
  .logo-mark{height:40px}
}
@media(max-width:400px){
  .lang{padding:2px;gap:1px}
  .lang a{padding:4px 6px;font-size:11px}
  .logo-mark{height:34px}
  .nav-in{gap:8px}
}

@media(max-width:1180px){.cats-row{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){
  .cats-row{grid-template-columns:repeat(2,1fr)}
  .catbar{padding:10px 10px 8px}
  .catbar-lbl{width:100%}
  .catbar-items{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;padding-bottom:2px}
  .catbar-items::-webkit-scrollbar{display:none}
}
@media(max-width:460px){.cats-row{grid-template-columns:1fr}}

/* ---------- feature / why ---------- */
.why{display:flex;gap:18px;padding:28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius)}
.ic{
  width:52px;height:52px;flex-shrink:0;border-radius:13px;
  background:linear-gradient(135deg,#E7F4EB,#D4ECDC);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-h);font-weight:800;color:var(--green);font-size:18px
}
.why h4{margin-bottom:6px}
.why p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- Why YEARAN 升级版：2x2 大卡 ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;display:flex;flex-direction:column;gap:14px;position:relative;
  transition:transform .25s ease,box-shadow .25s ease}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.why-num{font-family:var(--font-h);font-weight:800;font-size:54px;line-height:1;
  background:linear-gradient(135deg,var(--green),var(--green-dark));
  -webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.04em}
.why-card h3{font-family:var(--font-h);font-weight:800;font-size:20px;color:var(--ink);
  letter-spacing:-.005em;line-height:1.25;margin-bottom:0}
.why-card p{font-size:14.5px;color:var(--muted);line-height:1.7;flex:1}
.why-pts{list-style:none;display:flex;flex-direction:column;gap:6px;
  padding-top:14px;border-top:1px solid var(--line);margin-top:4px}
.why-pts li{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--ink);
  font-family:var(--font-h);font-weight:500}
.why-pts li span{color:var(--green);font-weight:700;flex-shrink:0}
@media(max-width:760px){.why-grid{grid-template-columns:1fr}}

/* ---------- stat ---------- */
.stat{text-align:center;padding:30px 20px}
.stat b{display:block;font-family:var(--font-h);font-weight:800;font-size:40px;
  color:var(--green);line-height:1.1;margin-bottom:6px}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- timeline ---------- */
.tl{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.tl-item{padding:24px 20px;background:var(--bg-soft);border-radius:var(--radius)}
.tl-item.hl{background:var(--green-dark)}
.tl-item b{display:block;font-family:var(--font-h);font-weight:800;font-size:26px;
  color:var(--green);margin-bottom:8px}
.tl-item.hl b{color:var(--amber)}
.tl-item h4{font-size:15px;margin-bottom:6px}
.tl-item.hl h4{color:#fff}
.tl-item p{font-size:13px;color:var(--muted);line-height:1.6}
.tl-item.hl p{color:#A9C2B4}

/* ---------- product card ---------- */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pcard-img{height:200px;background:var(--bg-soft);overflow:hidden}
.pcard-img{background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;height:200px}
.pcard-img img{width:100%;height:100%;object-fit:contain;padding:16px;transition:transform .4s;mix-blend-mode:multiply}
.pcard:hover .pcard-img img{transform:scale(1.04)}
.pcard:hover .pcard-img img{transform:scale(1.05)}
.pcard-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.pcard-model{font-family:var(--font-h);font-weight:800;font-size:12px;letter-spacing:.08em;
  color:var(--green);margin-bottom:4px}
.pcard-body h3{font-size:17px;margin-bottom:6px}
.pcard-meta{font-size:13px;color:var(--muted);margin-bottom:14px}
.pcard-link{margin-top:auto;font-family:var(--font-h);font-weight:700;font-size:14px;color:var(--green)}

/* ---------- spec table ---------- */
.spec{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.spec-row{display:flex;gap:20px;padding:13px 18px;align-items:baseline}
.spec-row:nth-child(even){background:var(--bg-soft)}
.spec-k{
  width:260px;flex-shrink:0;font-size:14px;color:var(--muted);font-weight:500
}
.spec-v{font-size:14.5px;font-weight:600;color:var(--ink)}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table th{
  background:var(--green-deep);color:#fff;text-align:left;padding:12px 14px;
  font-family:var(--font-h);font-weight:700;font-size:13px;letter-spacing:.03em
}
.spec-table td{padding:11px 14px;border-top:1px solid var(--line)}
.spec-table tr:nth-child(even) td{background:var(--bg-soft)}

/* ---------- PDP ---------- */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.gallery-main{border-radius:var(--radius);overflow:hidden;background:#fff;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery-main img{width:100%;height:100%;object-fit:contain;padding:24px;mix-blend-mode:multiply}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:78px;height:78px;border-radius:10px;overflow:hidden;border:2px solid var(--line);
  cursor:pointer;transition:.16s;background:#fff;display:flex;align-items:center;justify-content:center}
.thumb:hover,.thumb.on{border-color:var(--green)}
.thumb img{width:100%;height:100%;object-fit:contain;padding:6px;mix-blend-mode:multiply}

/* ---------- 产品图灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(8,26,17,.92);
  display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.open{display:flex}
.lb-img{max-width:92vw;max-height:84vh;object-fit:contain;border-radius:12px;background:#fff;padding:14px}
.lb-close{position:absolute;top:20px;right:26px;width:44px;height:44px;border:0;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:26px;line-height:1;cursor:pointer}
.lb-close:hover{background:rgba(255,255,255,.24)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border:0;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:20px;cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.24)}
.lb-prev{left:22px}
.lb-next{right:22px}
.lb-count{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#A9C2B4;
  font-family:var(--font-h);font-size:13px;letter-spacing:.08em}
.gallery-main{cursor:zoom-in}
.badge{display:inline-block;background:var(--amber);color:var(--amber-ink);
  font-family:var(--font-h);font-weight:700;font-size:12px;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;margin-bottom:14px}
.pdp h1{font-size:38px;margin-bottom:14px}
.pdp-sub{font-size:17px;color:var(--muted);line-height:1.7;margin-bottom:22px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.pill{background:var(--bg-soft);border-radius:999px;padding:8px 15px;font-size:13.5px;font-weight:500}
.pdp-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.certs{font-size:13px;color:var(--muted)}
.feats{display:grid;gap:12px;margin-top:8px}
.feat{display:flex;gap:12px;align-items:flex-start}
.feat-dot{width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:9px;flex-shrink:0}
.feat p{font-size:15px;line-height:1.65}

/* ---------- CTA band ---------- */
.cta{
  background:linear-gradient(135deg,var(--green-deep),var(--green-dark));
  border-radius:26px;padding:52px 48px;display:grid;grid-template-columns:1.3fr auto;
  gap:32px;align-items:center
}
.cta h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta p{color:#A9C2B4;font-size:16px;line-height:1.65}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- article ---------- */
.art{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.art-main p{font-size:16.5px;line-height:1.8;color:#3C4A41;margin-bottom:20px}
.art-main h2{font-size:24px;margin:34px 0 14px}
.quote{
  border-left:4px solid var(--green);background:var(--bg-soft);
  padding:20px 22px;border-radius:0 12px 12px 0;margin:26px 0;
  font-size:17px;line-height:1.65;font-weight:500
}
.art-side{position:sticky;top:100px;display:grid;gap:20px}
.side-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff}
.side-card h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;font-weight:700}
.toc a{display:block;padding:7px 0;font-size:14px;color:#3C4A41;border-bottom:1px solid var(--line)}
.toc a:last-child{border:0}
.toc a:hover{color:var(--green)}
.toc a.on{color:var(--green);font-weight:600}

/* ---------- 文章正文（全文） ---------- */
.art-lead{font-size:18px !important;line-height:1.75 !important;color:var(--ink) !important;
  font-weight:500;padding-left:16px;border-left:3px solid var(--amber)}
.art-pts{margin:0 0 22px;padding:0;list-style:none}
.art-pts li{position:relative;padding:8px 0 8px 30px;font-size:16px;line-height:1.7;color:#3C4A41}
.art-pts li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--green);font-weight:800}
.art-note{font-size:13.5px !important;line-height:1.6 !important;color:var(--muted) !important;
  background:var(--bg-soft);border-left:3px solid var(--green);padding:12px 16px;border-radius:0 8px 8px 0;margin-bottom:22px}
.art-body{padding-top:6px}
.art-body h2{font-family:var(--font-h);font-weight:800;font-size:22px;color:var(--green-deep);
  margin:34px 0 14px;scroll-margin-top:100px}
.art-body h3{font-family:var(--font-h);font-weight:700;font-size:18px;color:var(--ink);
  margin:26px 0 10px;scroll-margin-top:100px}
.art-body p{font-size:16px;line-height:1.8;color:#3C4A41;margin-bottom:16px}
.art-body strong{color:var(--ink);font-weight:700}
.art-body a{color:var(--green);text-decoration:underline;text-underline-offset:2px}
.art-body img{max-width:100%;height:auto;border-radius:12px;margin:18px 0;background:#fff}
.art-body ul,.art-body ol{margin:0 0 18px;padding-left:24px}
.art-body li{font-size:16px;line-height:1.75;color:#3C4A41;margin-bottom:6px}
.art-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;
  background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.art-body th{background:var(--bg-soft);font-family:var(--font-h);font-weight:700;font-size:13px;
  letter-spacing:.03em;color:var(--green-deep);text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
.art-body td{padding:10px 14px;border-bottom:1px solid var(--line);color:#3C4A41;vertical-align:top}
.art-body tr:last-child td{border-bottom:0}
.art-body sup{font-size:11px;color:var(--green)}
.art-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
@media(max-width:720px){
  .art-body table{display:block;overflow-x:auto;white-space:nowrap}
  .art-lead{font-size:16px !important}
}
.side-dark{background:var(--green-deep);border-color:transparent}
.side-dark h4{color:#8FB7A0}
.side-dark .bignum{font-family:var(--font-h);font-weight:800;font-size:42px;color:#fff;line-height:1}
.side-dark p{font-size:13px;color:#A9C2B4;margin-top:6px;line-height:1.6}

.acard{display:flex;gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;align-items:center;transition:.18s}
.acard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.acard-img{width:220px;height:150px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--bg-soft)}
.acard-img img{width:100%;height:100%;object-fit:cover}
.acat{font-family:var(--font-h);font-weight:700;font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--green);margin-bottom:8px}
.acard h3{font-size:20px;line-height:1.35;margin-bottom:8px}
.acard p{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:10px}
.ameta{font-size:13px;color:#8A968D}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:380px 1fr;gap:24px;align-items:start}
.info-card{background:var(--bg-soft);border-radius:var(--radius);padding:30px}
.info-card h3{margin-bottom:18px;font-size:19px}
.info-row{display:flex;gap:12px;margin-bottom:14px;font-size:15px;color:#3C4A41;align-items:flex-start}
.info-row b{font-family:var(--font-h);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);min-width:62px;font-weight:700}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-h);font-weight:600;font-size:13px;color:var(--muted)}
.field input,.field textarea{
  border:1px solid var(--line);border-radius:12px;padding:12px 15px;font-size:15px;
  background:#fff;transition:border-color .16s,box-shadow .16s;width:100%
}
.field input:focus,.field textarea:focus{
  outline:0;border-color:var(--green);box-shadow:0 0 0 3px rgba(30,122,70,.12)
}
.field textarea{min-height:120px;resize:vertical}
.form-msg{margin-top:14px;font-size:14px;display:none;padding:12px 16px;border-radius:12px}
.form-msg.ok{display:block;background:#E7F4EB;color:var(--green-dark)}
.form-msg.err{display:block;background:#FDECEC;color:#A33}

/* ---------- gallery strip ---------- */
.strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.strip figure{border-radius:12px;overflow:hidden;background:var(--bg-soft);aspect-ratio:4/3}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.strip figure:hover img{transform:scale(1.06)}

/* ---------- About ---------- */
.about-hero{background:linear-gradient(135deg,#0B3820 0%,#0F4D2B 100%);
  color:#fff;padding:96px 0 80px;position:relative;overflow:hidden}
.about-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(233,162,59,.15),transparent 50%)}
.about-hero-in{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;position:relative}
.about-hero h1{color:#fff;font-size:54px;line-height:1.1;margin-bottom:24px;letter-spacing:-.02em}
.about-hero .lead{color:#A9C2B4;font-size:18px;line-height:1.7;max-width:540px}
.about-hero-img{position:relative;border-radius:20px;overflow:hidden;
  box-shadow:0 40px 80px rgba(0,0,0,.4);aspect-ratio:3/2}
.about-hero-img img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.about-hero-badge{position:absolute;left:18px;bottom:18px;padding:14px 20px;background:rgba(0,0,0,.55);
  backdrop-filter:blur(8px);border-radius:10px;font-family:var(--font-h);
  font-size:11px;letter-spacing:.16em;color:#A9C2B4;line-height:1.5}
.about-hero-badge b{display:block;color:var(--amber);font-size:18px;font-weight:800;letter-spacing:.04em;margin-top:2px}

.nums-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.num-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;text-align:left;display:flex;flex-direction:column;gap:6px;
  position:relative;overflow:hidden}
.num-card::before{content:"";position:absolute;top:0;left:0;height:3px;width:36px;background:var(--green)}
.num-card b{font-family:var(--font-h);font-weight:800;font-size:42px;color:var(--green-dark);
  line-height:1;letter-spacing:-.02em}
.num-card span{font-size:13px;color:var(--muted);font-weight:500;line-height:1.4}

/* ---------- stat (rich) ---------- */
.stats-rich{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.srich{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;display:flex;flex-direction:column;gap:14px;position:relative;
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.srich:hover{transform:translateY(-3px);box-shadow:0 14px 38px -22px rgba(20,32,26,.45)}
.srich::before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;background:var(--green)}
.srich--amber::before{background:var(--amber)}
.srich--deep::before{background:var(--green-deep)}
.srich--line::before{background:linear-gradient(180deg,var(--green),var(--green-deep))}
.srich-head{display:flex;align-items:baseline;gap:10px}
.srich-num{font-family:var(--font-h);font-weight:800;font-size:46px;line-height:1;
  color:var(--green-dark);letter-spacing:-.02em}
.srich-unit{font-family:var(--font-h);font-weight:600;font-size:14px;color:var(--green);letter-spacing:.04em}
.srich-t{font-family:var(--font-h);font-weight:700;font-size:16px;color:var(--ink);line-height:1.35}
.srich-sub{font-size:13px;color:var(--muted);line-height:1.55}
.srich-bar{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:auto}
.srich-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--green),var(--amber))}
.srich-tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--green-deep);font-weight:700}
.srich-tag::before{content:"";width:14px;height:2px;background:var(--amber)}

/* ---------- factory showcase ---------- */
.fac-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:1fr 1fr;
  gap:14px;height:520px}
.fac-feat{grid-row:span 2;position:relative;border-radius:18px;overflow:hidden;
  background:#fff;display:block}
.fac-feat img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.fac-feat:hover img{transform:scale(1.04)}
.fac-tile{position:relative;border-radius:14px;overflow:hidden;background:#fff;display:block}
.fac-tile img{width:100%;height:100%;object-fit:contain;background:#fff;
  transition:transform .5s ease}
.fac-tile:hover img{transform:scale(1.06)}
.fac-cap{position:absolute;left:14px;bottom:14px;right:14px;display:flex;flex-direction:column;gap:2px;
  padding:10px 12px;border-radius:10px;background:rgba(11,56,32,.78);
  backdrop-filter:blur(6px);color:#fff}
.fac-cap b{font-family:var(--font-h);font-weight:800;font-size:13px;letter-spacing:.04em}
.fac-cap span{font-size:11px;color:#D9E8DD;letter-spacing:.06em}

.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden}
.pillar::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--green),var(--amber))}
.pillar-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#E8F3EC,#F4F8F5);color:var(--green-deep);
  font-family:var(--font-h);font-weight:800;font-size:22px}
.pillar-pts{margin-top:4px;display:flex;flex-direction:column;gap:6px}
.pillar-pts li{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--ink-soft)}
.pillar-pts li::before{content:"✓";color:var(--green);font-weight:800;flex-shrink:0;line-height:1.4}

.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:980px){.pillar-grid{grid-template-columns:1fr}}

.oem-callout{margin-top:36px;display:flex;gap:20px;align-items:flex-start;
  padding:30px 32px;border-radius:18px;
  background:linear-gradient(135deg,#F4F8F5 0%,#fff 100%);
  border:1px solid var(--line);border-left:5px solid var(--amber);
  position:relative;overflow:hidden}
.oem-callout::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border-radius:50%;background:radial-gradient(circle,rgba(233,162,59,.08),transparent 70%);pointer-events:none}
.oem-icon{width:56px;height:56px;flex-shrink:0;display:grid;place-items:center;border-radius:14px;
  background:linear-gradient(135deg,var(--amber),#F2C870);color:#fff;font-size:26px;
  box-shadow:0 8px 24px -10px rgba(233,162,59,.7)}
.oem-h{font-family:var(--font-h);font-weight:800;font-size:16px;color:var(--green-deep);
  letter-spacing:.06em;margin-bottom:6px}
.oem-callout p{font-size:14.5px;color:var(--ink-soft);line-height:1.7;margin-bottom:14px;max-width:720px}
.oem-callout .btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:10px 18px}

@media(max-width:560px){.oem-callout{flex-direction:column;padding:22px}}

/* ---------- Patents ---------- */
.patent-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:36px}
.ps-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 30px;
  display:flex;flex-direction:column;gap:8px;transition:all .3s;position:relative;overflow:hidden}
.ps-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--green)}
.ps-card:nth-child(2)::before{background:var(--amber)}
.ps-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,32,26,.08)}
.ps-ico{font-size:34px;line-height:1;margin-bottom:6px}
.ps-card b{font-family:var(--font-h);font-size:22px;color:var(--ink);font-weight:800;letter-spacing:-.01em}
.ps-card span{font-size:14.5px;color:var(--muted);line-height:1.6}
@media(max-width:760px){.patent-summary{grid-template-columns:1fr}}

.patent-utility{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:flex-start;
  margin:36px 0 56px;padding:36px;background:linear-gradient(135deg,#fff,#F4F8F5);
  border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 50px rgba(20,32,26,.06)}
.pu-img{position:relative;display:block;border-radius:14px;overflow:hidden;
  box-shadow:0 14px 30px rgba(20,32,26,.15);aspect-ratio:1/1.4}
.pu-img img{width:100%;height:100%;object-fit:cover;display:block}
.pu-tip{position:absolute;inset:auto 0 0 0;padding:10px 14px;background:linear-gradient(180deg,transparent,rgba(11,56,32,.88));
  color:#fff;font-size:12.5px;text-align:center;opacity:0;transition:opacity .25s}
.pu-img:hover .pu-tip{opacity:1}
.pu-body h3{font-family:var(--font-h);font-size:26px;color:var(--ink);font-weight:800;margin:8px 0 4px;line-height:1.25}
.pu-no{display:inline-block;margin-top:14px;padding:6px 14px;background:var(--green-deep);color:#fff;
  border-radius:999px;font-family:var(--font-h);font-weight:700;font-size:13.5px;letter-spacing:.04em}
@media(max-width:880px){.patent-utility{grid-template-columns:1fr;padding:26px}
  .pu-img{max-width:280px;margin:0 auto}}

.patent-grid{margin-top:24px}
.pg-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pg-tile{position:relative;display:block;background:#fff;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;aspect-ratio:1/1.4;transition:all .25s;
  box-shadow:0 6px 14px rgba(20,32,26,.05)}
.pg-tile img{width:100%;height:100%;object-fit:contain;padding:8px;display:block;
  background:#fff;mix-blend-mode:multiply}
.pg-tile::after{content:"🔍";position:absolute;right:8px;top:8px;width:28px;height:28px;border-radius:50%;
  background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;font-size:14px;
  opacity:0;transform:scale(.85);transition:all .25s;box-shadow:0 2px 6px rgba(0,0,0,.12)}
.pg-tile:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(20,32,26,.18);border-color:var(--green)}
.pg-tile:hover::after{opacity:1;transform:scale(1)}
@media(max-width:1180px){.pg-list{grid-template-columns:repeat(4,1fr)}}
@media(max-width:880px){.pg-list{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.pg-list{grid-template-columns:repeat(2,1fr)}}

@media(max-width:980px){
  .stats-rich{grid-template-columns:repeat(2,1fr)}
  .fac-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto;height:auto}
  .fac-feat{grid-row:auto;height:300px}
  .fac-tile{height:180px}
  .pillar{padding:26px 22px}
}
@media(max-width:560px){
  .stats-rich{grid-template-columns:1fr}
  .srich-num{font-size:40px}
  .fac-grid{grid-template-columns:1fr}
  .fac-feat{height:240px}
}

@media(max-width:880px){.about-hero-in{grid-template-columns:1fr;gap:36px}
  .about-hero h1{font-size:40px}
  .nums-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Warranty ---------- */
.war-hero{background:linear-gradient(135deg,#0B3820 0%,#0F4D2B 100%);
  color:#fff;padding:96px 0;position:relative;overflow:hidden}
.war-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 80%,rgba(233,162,59,.12),transparent 45%)}
.war-hero-in{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;align-items:center;position:relative}
.war-badge{display:inline-block;background:rgba(233,162,59,.18);color:var(--amber);
  font-family:var(--font-h);font-weight:700;font-size:11px;letter-spacing:.18em;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(233,162,59,.4);margin-bottom:18px}
.war-hero h1{color:#fff;font-size:64px;line-height:1;letter-spacing:-.025em;margin-bottom:18px}
.war-hero p{color:#A9C2B4;font-size:17px;line-height:1.7;max-width:520px}
.war-hero-r{text-align:right;border-left:1px solid rgba(255,255,255,.12);padding-left:48px}
.war-big-num{font-family:var(--font-h);font-weight:800;font-size:140px;color:var(--amber);
  line-height:.9;letter-spacing:-.04em}
.war-big-num span{font-size:80px;color:rgba(255,255,255,.3);margin-left:6px;font-weight:600}
.war-big-lbl{font-family:var(--font-h);font-weight:700;font-size:13px;letter-spacing:.16em;
  color:#A9C2B4;margin-top:14px}

.war-tier{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.war-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;gap:14px;position:relative;
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.war-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.war-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c)}
.war-tag{display:inline-block;background:var(--c);color:#fff;font-family:var(--font-h);
  font-weight:700;font-size:10px;letter-spacing:.18em;padding:4px 10px;border-radius:4px;
  width:fit-content}
.war-period{font-family:var(--font-h);font-weight:800;font-size:54px;color:var(--ink);
  line-height:1;letter-spacing:-.03em;margin-top:6px}
.war-card h3{font-family:var(--font-h);font-weight:800;font-size:19px;color:var(--ink);
  letter-spacing:-.005em}
.war-card p{font-size:14px;color:var(--muted);line-height:1.7;flex:1}
.war-scope{font-family:var(--font-h);font-weight:700;font-size:11px;letter-spacing:.14em;
  color:var(--muted);padding-top:14px;border-top:1px solid var(--line);text-transform:uppercase}

.curve{display:grid;grid-template-columns:repeat(10,1fr);gap:10px;align-items:end;
  height:280px;padding:30px 12px 0;background:linear-gradient(180deg,#F7F9FA,#fff);
  border-radius:var(--radius);border:1px solid var(--line)}
.cv-bar{position:relative;height:var(--h);background:linear-gradient(180deg,var(--green),var(--green-dark));
  border-radius:6px 6px 0 0;display:flex;flex-direction:column;justify-content:flex-end;
  align-items:center;padding-bottom:8px;transition:transform .3s ease}
.cv-bar:hover{transform:scaleY(1.04)}
.cv-bar b{color:#fff;font-family:var(--font-h);font-weight:800;font-size:12px;margin-bottom:6px;
  text-shadow:0 1px 2px rgba(0,0,0,.2)}
.cv-bar span{position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);
  color:var(--muted);font-family:var(--font-h);font-size:11px;font-weight:700;
  letter-spacing:.06em}

.claim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.claim-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;display:flex;flex-direction:column;gap:10px;position:relative}
.claim-num{font-family:var(--font-h);font-weight:800;font-size:36px;line-height:1;
  color:var(--green);letter-spacing:-.03em}
.claim-step h4{font-family:var(--font-h);font-weight:700;font-size:16px;color:var(--ink)}
.claim-step p{font-size:13.5px;color:var(--muted);line-height:1.65}

.excl-card{background:linear-gradient(135deg,#F7F9FA,#fff);border:1px solid var(--line);
  border-left:4px solid var(--amber);border-radius:var(--radius);padding:32px 36px;
  display:flex;flex-direction:column;gap:18px}
.excl-head{display:flex;align-items:center;gap:20px}
.excl-icon{width:54px;height:54px;border-radius:50%;background:#FBEBD9;color:var(--amber);
  font-size:28px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.excl-card p{font-size:15px;color:var(--muted);line-height:1.75}

.covlim-card{background:linear-gradient(135deg,#F0F6F2,#fff);border:1px solid var(--line);
  border-left:4px solid var(--green-deep);border-radius:var(--radius);padding:34px 38px;
  display:flex;flex-direction:column;gap:16px;max-width:980px;margin:0 auto}
.covlim-head{display:flex;align-items:flex-start;gap:20px}
.covlim-icon{width:54px;height:54px;border-radius:50%;background:#E1F0E6;color:var(--green-deep);
  font-size:28px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-weight:700}
.covlim-card h3{font-family:var(--font-h);font-weight:800;font-size:22px;color:var(--ink)}
.covlim-card p{font-size:15px;color:var(--ink);line-height:1.8}
.covlim-card p+p{margin-top:6px}

@media(max-width:880px){.war-hero-in{grid-template-columns:1fr;gap:36px;text-align:left}
  .war-hero h1{font-size:44px}.war-hero-r{border-left:none;padding-left:0;text-align:left;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
  .war-big-num{font-size:90px}.war-tier,.claim-grid{grid-template-columns:1fr}}
.apps-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:1fr 1fr;
  gap:14px;height:560px}
.apps-feat,.apps-tile{position:relative;border-radius:14px;overflow:hidden;
  display:block;cursor:pointer;transition:transform .35s ease}
.apps-feat{grid-row:span 2}
.apps-feat img,.apps-tile img{width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease}
.apps-feat:hover img,.apps-tile:hover img{transform:scale(1.06)}
.apps-feat::after,.apps-tile::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,56,32,0) 40%,rgba(11,56,32,.85) 100%);
  pointer-events:none}
.apps-cap{position:absolute;left:18px;right:18px;bottom:18px;color:#fff;z-index:2;
  display:flex;flex-direction:column;gap:4px}
.apps-cat{font-family:var(--font-h);font-weight:700;font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;color:#F2C870}
.apps-t{font-family:var(--font-h);font-weight:700;font-size:15px;line-height:1.3;
  letter-spacing:.005em;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.apps-feat .apps-t{font-size:22px}
@media(max-width:760px){.apps-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto;height:auto}
  .apps-feat{grid-row:auto;height:280px}.apps-tile{height:180px}}

/* ---------- certs ---------- */
.certs-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cert{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;background:#fff}
.cert img{height:64px;width:auto;margin:0 auto 10px;object-fit:contain}
.cert span{font-family:var(--font-h);font-weight:700;font-size:13px}

/* ---------- footer ---------- */
.foot{background:var(--green-deep);color:#A9C2B4;padding:64px 0 0;margin-top:var(--sec)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.75;max-width:330px;margin-top:16px}
.foot-logo{height:56px;width:auto;display:block;margin-bottom:10px}
.foot a{display:block;padding:5px 0;font-size:14px;transition:color .16s}
.foot a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.foot-lang{display:flex;gap:8px}
.foot-lang a{padding:0;color:#8FB7A0}
.foot-lang a:hover{color:#fff}
/* 页脚底部：版权 + 隐私政策（低调，不抢视觉） */
.foot-copy{color:#7C9E8C}
.foot-sep{margin:0 6px;opacity:.5}
.foot-privacy{color:#7C9E8C;text-decoration:none;border-bottom:1px solid rgba(124,158,140,.35);
  transition:.16s;font-size:12.5px}
.foot-privacy:hover{color:#B8D4C4;border-bottom-color:rgba(184,212,196,.7)}

/* ---------- 隐私政策文档页 ---------- */
.legal-hero{padding:56px 0 72px}
.legal-wrap{max-width:820px}
.legal-h1{font-size:clamp(30px,4.4vw,44px);line-height:1.16;margin:10px 0 14px;letter-spacing:-.02em}
.legal-meta{font-size:13px;color:#8A9A91;margin-bottom:26px}
.legal-toc{display:flex;flex-wrap:wrap;gap:8px 10px;padding:18px 20px;margin-bottom:30px;
  background:#F4F8F5;border:1px solid #E3E9E5;border-radius:12px}
.legal-toc a{font-size:13px;color:#1E7A46;text-decoration:none;padding:4px 9px;border-radius:7px;
  background:#fff;border:1px solid #E3E9E5;transition:.16s}
.legal-toc a:hover{background:#1E7A46;color:#fff;border-color:#1E7A46}
.legal-card{margin-bottom:22px;padding:24px 26px;background:#fff;border:1px solid #E9EFEB;
  border-radius:14px;box-shadow:0 2px 12px rgba(11,56,32,.05);scroll-margin-top:90px}
.legal-card h2{font-size:19px;margin:0 0 12px;color:#0B3820;letter-spacing:-.01em}
.legal-card p{margin:0 0 12px;font-size:15px;line-height:1.78;color:#41524A}
.legal-card p:last-child{margin-bottom:0}
.legal-card p{white-space:pre-line}
.legal-back{margin-top:30px;font-size:14px}
.legal-back a{color:#1E7A46;text-decoration:none;border-bottom:1px solid rgba(30,122,70,.3)}
.legal-back a:hover{border-bottom-color:#1E7A46}
@media(max-width:600px){.legal-hero{padding:36px 0 48px}.legal-card{padding:20px 18px}}

/* =========================================================
   2026-09-09 改版：首屏/Why/Apps 轮播/WhatsApp
   ========================================================= */

/* ---------- Hero 改版（yearan.cn 风格：深绿 + 实景 + 玻璃规格卡） ---------- */
.hero--photo{position:relative;overflow:hidden;color:#fff;
  background:
    linear-gradient(95deg,rgba(8,34,20,.96) 0%,rgba(8,34,20,.85) 35%,rgba(8,34,20,.45) 65%,rgba(8,34,20,.25) 100%),
    url('/assets/img/scenes/scene-22.webp') center right / cover no-repeat,
    #0B3820}
.hero--photo::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 18%,rgba(233,162,59,.18),transparent 55%);
  pointer-events:none}
.hero--photo .hero-in{position:relative;z-index:1}
.hero--photo .hero-chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#DCEFE6}
.hero--photo h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.02em;line-height:1.06}
.hero--photo h1 em{font-style:normal;color:var(--amber)}
.hero--photo .lead{color:#C8DDD3;max-width:560px;font-size:18px;line-height:1.75}
.hero--photo .hero-stats{color:#A9C2B4}
.hero--photo .hero-stats b{color:#fff}

.hero-text{display:flex;flex-direction:column;gap:0}

.hero-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-radius:20px;padding:28px 28px 24px;color:#fff;
  box-shadow:0 30px 70px rgba(0,0,0,.35);
  position:relative;
}
.hero-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--amber),#F2C870);border-radius:20px 20px 0 0}
.hc-head{display:flex;gap:16px;align-items:flex-start;padding-bottom:18px;margin-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.12)}
.hc-ico{width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,rgba(233,162,59,.25),rgba(233,162,59,.08));
  display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.hero-card h3{font-family:var(--font-h);font-weight:800;font-size:19px;letter-spacing:-.005em;margin-bottom:4px;color:#fff}
.hero-card .hc-head p{color:#8FB7A0;font-size:13px;letter-spacing:.04em;margin:0}
.hc-specs{display:flex;flex-direction:column;gap:14px}
.hc-spec{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
  padding:4px 0}
.hc-spec .k{font-family:var(--font-h);font-weight:700;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:#A9C2B4;min-width:90px;padding-top:6px}
.hc-spec .v{display:flex;flex-direction:column;align-items:flex-end;gap:2px;text-align:right}
.hc-spec .v b{font-family:var(--font-h);font-weight:800;font-size:24px;color:#fff;line-height:1.1;letter-spacing:-.01em}
.hc-spec .v small{font-size:12px;color:#8FB7A0;line-height:1.35}

/* ---------- Why YEARAN 改版（yearan.cn 风格：图标 + 标题 + 描述 + 列表） ---------- */
.why-stack{display:flex;flex-direction:column;gap:18px}
.why{display:flex;gap:26px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:30px 32px;transition:transform .25s ease,box-shadow .25s ease}
.why:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.why .ic{flex-shrink:0;width:64px;height:64px;border-radius:16px;
  background:linear-gradient(135deg,var(--bg-soft),#fff);
  display:flex;align-items:center;justify-content:center;font-size:32px;
  border:1px solid var(--line)}
.why-body{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
.why h3{font-family:var(--font-h);font-weight:800;font-size:22px;color:var(--ink);
  letter-spacing:-.01em;margin:0 0 4px}
.why .why-body > p{font-size:15px;color:var(--muted);line-height:1.7;margin:0}
.why .why-body ul{margin-top:6px;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px 14px}
.why .why-body li{font-size:13.5px;color:var(--ink);line-height:1.5;
  position:relative;padding-left:18px}
.why .why-body li::before{content:"";position:absolute;left:0;top:8px;
  width:8px;height:8px;border-radius:50%;background:var(--green)}

/* ---------- 应用场景 改版：左右滑动轮播 ---------- */
.apps-carou{position:relative}
.apps-rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;padding:6px 2px 18px}
.apps-rail::-webkit-scrollbar{display:none}
.apps-card{flex:0 0 calc((100% - 28px) / 3);aspect-ratio:4/3;border-radius:14px;
  overflow:hidden;background:var(--bg-soft);position:relative;scroll-snap-align:start;
  cursor:pointer;transition:transform .35s ease}
.apps-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
  display:block}
.apps-card:hover img{transform:scale(1.06)}
.apps-nav{position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;background:#fff;
  border:1px solid var(--line);box-shadow:0 6px 20px rgba(0,0,0,.18);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--green-deep);cursor:pointer;z-index:3;
  transition:transform .2s ease,box-shadow .2s ease}
.apps-nav:hover{transform:translateY(-50%) scale(1.06);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.apps-nav.prev{left:-12px}
.apps-nav.next{right:-12px}
@media(max-width:880px){
  .apps-card{flex-basis:calc((100% - 14px) / 2)}
  .apps-nav.prev{left:4px}.apps-nav.next{right:4px}
}
@media(max-width:560px){
  .apps-card{flex-basis:88%}
}

/* ---------- Contact 改版：可点击邮箱/电话 + WhatsApp 按钮 ---------- */
.info-link{color:var(--ink);text-decoration:none;border-bottom:1px dashed transparent;
  transition:color .15s,border-color .15s}
.info-link:hover{color:var(--green);border-color:var(--green)}
.info-row.wa-row .info-link{color:var(--green);font-weight:600}
.wa-btn{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;
  padding:14px 18px;border-radius:14px;text-decoration:none;
  background:linear-gradient(135deg,#25D366,#128C7E);color:#fff;
  font-family:var(--font-h);font-weight:700;font-size:15px;letter-spacing:.01em;
  box-shadow:0 10px 24px rgba(37,211,102,.28);
  transition:transform .2s ease,box-shadow .2s ease}
.wa-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(37,211,102,.36)}
.wa-btn svg{width:22px;height:22px}
.wa-tip{margin:10px 0 0;font-size:12.5px;color:var(--muted);line-height:1.5;text-align:center}

/* ---------- 全站浮动 WhatsApp 按钮（右下角） ---------- */
.wa-fab{position:fixed;right:20px;bottom:20px;z-index:90;display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;text-decoration:none;
  background:linear-gradient(135deg,#25D366,#128C7E);color:#fff;
  font-family:var(--font-h);font-weight:700;font-size:14px;letter-spacing:.02em;
  box-shadow:0 14px 32px rgba(37,211,102,.35);
  transition:transform .2s ease,box-shadow .2s ease}
.wa-fab:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(37,211,102,.42)}
.wa-fab svg{width:26px;height:26px;flex-shrink:0}
@media(max-width:560px){
  .wa-fab span{display:none}
  .wa-fab{padding:14px}
  .wa-fab svg{width:24px;height:24px}
}

/* ---------- 移除旧残留（仅 hero-fig；spec-row / why-grid / apps-grid 已被页面复用） ---------- */
.hero-fig{display:none !important}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  h1{font-size:42px} h2{font-size:32px}
  .hero-in,.pdp,.art{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.tl,.certs-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .why{flex-direction:row;gap:20px;padding:24px 26px}
}
@media(max-width:720px){
  :root{--sec:56px}
  h1{font-size:34px} h2{font-size:27px}
  .hero h1{font-size:36px}
  /* 移动端：导航链接收起，但语言切换器保留在顶栏可见 */
  .nav-links{display:none}
  .nav-cta{display:flex;align-items:center;gap:8px;margin-left:auto}
  .nav-cta .btn{display:none}
  .nav-in{gap:12px}
  .lang{padding:3px;gap:2px}
  .lang a{padding:4px 8px;font-size:12px}
  .nav-toggle{margin-left:4px}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;
    background:#fff;padding:20px 28px;border-bottom:1px solid var(--line);gap:16px;
    box-shadow:var(--shadow)
  }
  .nav-toggle{display:block}
  .grid,.grid-2,.grid-3,.tl,.certs-grid,.strip{grid-template-columns:1fr}
  .grid-3{gap:16px}
  .phead{padding:34px 26px;border-radius:16px}
  .phead h1{font-size:32px}
  .cta{grid-template-columns:1fr;padding:34px 26px;border-radius:18px}
  .spec-k{width:150px}
  .art-side{position:static}
  .acard{flex-direction:column;align-items:stretch}
  .acard-img{width:100%;height:180px}
  .foot-grid{grid-template-columns:1fr}
  .why{flex-direction:column;gap:16px;padding:22px 24px}
  .why .ic{width:54px;height:54px;font-size:26px;border-radius:14px}
  .hero-card{padding:22px}
  .hc-spec .v b{font-size:20px}
}

/* ---------- 404 页 ---------- */
.nf-hero{padding:88px 0 110px;text-align:center;background:linear-gradient(180deg,#fff 0%,#F4F8F5 100%)}
.nf-wrap{max-width:760px}
.nf-eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:#1E7A46;
  background:#E7F0EA;padding:5px 12px;border-radius:999px;font-weight:700;
  font-family:Manrope,Montserrat,Inter,system-ui,sans-serif;margin-bottom:18px}
.nf-big{font-size:clamp(96px,18vw,180px);font-weight:800;line-height:.95;color:#1E7A46;
  margin:0 0 4px;letter-spacing:-.04em;font-family:Manrope,Montserrat,sans-serif}
.nf-h2{font-size:clamp(24px,3.4vw,34px);color:#0B3820;margin:0 0 14px;letter-spacing:-.02em}
.nf-lead{font-size:17px;color:#41524A;max-width:560px;margin:0 auto 32px}
.nf-hero .btn-green{display:inline-block;background:#1E7A46;color:#fff;padding:13px 26px;
  border-radius:10px;text-decoration:none;font-weight:700;transition:.16s}
.nf-hero .btn-green:hover{background:#166037}
.nf-pick{margin-top:46px;font-size:14px;color:#41524A;letter-spacing:.04em}
.nf-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px;
  max-width:640px;margin-left:auto;margin-right:auto}
.nf-card{background:#fff;border:1px solid #E3E9E5;border-radius:12px;padding:18px 20px;
  color:#0B3820;text-decoration:none;font-weight:600;font-size:14px;
  display:flex;justify-content:space-between;align-items:center;transition:.16s;
  box-shadow:0 2px 8px rgba(11,56,32,.05)}
.nf-card:hover{border-color:#1E7A46;color:#1E7A46;transform:translateY(-1px);
  box-shadow:0 4px 14px rgba(30,122,70,.12)}
@media(max-width:520px){.nf-cards{grid-template-columns:1fr}.nf-hero{padding:64px 0 72px}}