/* ============ AOVX Design System ============ */
:root{
  --navy:#0b1524;
  --navy-2:#101f33;
  --navy-3:#182d47;
  --ink:#0e1a2b;
  --green:#b02e48;
  --green-deep:#7d1f33;
  --mint:#f9e9ed;
  --blue:#3d8bfd;
  --amber:#f5a623;
  --red:#e5484d;
  --text:#22303e;
  --muted:#5b6b7a;
  --line:#dde7ee;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 10px 40px rgba(11,21,36,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--white);line-height:1.65}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tint{background:linear-gradient(180deg,#fbf4f5 0%,#ffffff 100%)}
.section--dark{background:radial-gradient(1100px 500px at 85% -10%,#173352 0%,var(--navy) 60%);color:#fff}
.section--tight{padding:64px 0}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,21,36,.93);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.3rem;letter-spacing:1.5px;flex:0 0 auto}
.logo img{height:42px;width:auto;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--green),var(--blue));display:flex;align-items:center;justify-content:center;font-size:1rem}
.logo b{color:var(--green)}
.f-grid .logo img{filter:none}
.nav-links{display:flex;align-items:center;justify-content:center;gap:clamp(15px,1.5vw,24px);list-style:none;flex:1 1 auto;min-width:0;margin:0}
.nav-links a{position:relative;color:#d7e3ee;font-size:1rem;font-weight:600;letter-spacing:.1px;line-height:1.2;transition:color .2s;padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--green);transform:scaleX(0);transform-origin:50% 50%;transition:transform .24s ease}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active{color:var(--green)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;padding:10px 21px;border-radius:999px;font-weight:700;font-size:.98rem;transition:transform .2s,box-shadow .2s;white-space:nowrap;flex:0 0 auto}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(176,46,72,.4)}
.burger{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{background:radial-gradient(900px 400px at 80% -20%,#173a5e 0%,var(--navy) 60%);color:#fff;padding:150px 0 80px}
.page-hero h1{font-size:2.6rem;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.page-hero p{color:#b9cbda;font-size:1.1rem;max-width:680px}
.breadcrumb{font-size:.85rem;color:#8aa2b8;margin-bottom:18px}
.breadcrumb a:hover{color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:12px;font-weight:700;font-size:1rem;transition:transform .2s,box-shadow .2s;border:none;cursor:pointer;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;box-shadow:0 10px 26px rgba(125,31,51,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(125,31,51,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(11,21,36,.35)}

/* ---------- Section head ---------- */
.sec-head{text-align:center;max-width:740px;margin:0 auto 60px}
.sec-tag{color:var(--green-deep);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.8rem;display:block}
.sec-head h2{font-size:2.25rem;font-weight:800;color:var(--ink);margin:12px 0 16px;letter-spacing:-.5px}
.sec-head p{color:var(--muted);font-size:1.05rem}
.section--dark .sec-tag{color:#f2a7b8}
.section--dark .sec-head h2{color:#fff}
.section--dark .sec-head p{color:#b9cbda}
.sec-head.left{text-align:left;margin:0 0 40px}

/* ---------- Kicker chip ---------- */
.kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(176,46,72,.14);border:1px solid rgba(176,46,72,.4);color:#f5bcc8;padding:6px 16px;border-radius:999px;font-size:.82rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:22px}
.kicker--dark{background:rgba(176,46,72,.12);border:1px solid rgba(176,46,72,.4);color:var(--green-deep)}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;transition:transform .25s,box-shadow .25s;position:relative}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px}
.ico-green{background:var(--mint);color:var(--green-deep)}
.ico-blue{background:#e9f1ff;color:#2563eb}
.ico-amber{background:#fdf1dc;color:#c47f0a}
.ico-navy{background:#e8eef5;color:var(--navy-3)}
.card h3{color:var(--ink);font-size:1.12rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.93rem}

/* ---------- Product cards (Teltonika style) ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}
.filter-tab{border:1.5px solid var(--line);background:#fff;color:var(--muted);padding:9px 22px;border-radius:999px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}
.filter-tab:hover{border-color:var(--green);color:var(--green-deep)}
.filter-tab.active{background:linear-gradient(135deg,var(--green),var(--green-deep));border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(176,46,72,.3)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-card .visual{height:240px;background:linear-gradient(180deg,#f7f8fa 0%,#ffffff 100%);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;flex:none}
.prod-card .visual::after{content:"";position:absolute;top:-50px;right:-50px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(176,46,72,.10),transparent 70%)}
.prod-card .visual .prod-img{max-width:86%;max-height:90%;width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 8px 16px rgba(15,30,50,.12));transition:transform .35s ease}
.prod-card:hover .visual .prod-img{transform:scale(1.04)}
.prod-card .visual .dev{display:none}
/* Uniform sizing for bottom-row portrait/landscape mix (LL100 Pro / LL100 / EB200) */
.prod-card .visual--uniform .prod-img--portrait{max-width:92%;max-height:92%}
.prod-card .visual--uniform .prod-img--landscape{max-width:220px;max-height:92%}
.badge-hot{position:absolute;top:14px;left:14px;background:linear-gradient(135deg,var(--amber),#e08900);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:1px;padding:4px 12px;border-radius:999px;text-transform:uppercase}
.badge-new{position:absolute;top:14px;left:14px;background:linear-gradient(135deg,var(--blue),#2563eb);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:1px;padding:4px 12px;border-radius:999px;text-transform:uppercase}
.prod-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.prod-body h3{color:var(--ink);font-size:1.2rem;display:flex;align-items:center;gap:10px}
.prod-body .fam-tag{font-size:.72rem;font-weight:800;color:var(--green-deep);background:var(--mint);padding:3px 10px;border-radius:999px;letter-spacing:.5px}
.net-chip{display:inline-block;font-size:.75rem;font-weight:700;color:var(--blue);background:#e9f1ff;border-radius:999px;padding:4px 12px;margin:10px 0 14px;align-self:flex-start}
.spec-list{list-style:none;margin-bottom:20px}
.spec-list li{display:flex;gap:10px;font-size:.88rem;color:var(--muted);margin-bottom:8px}
.spec-list li::before{content:"▸";color:var(--green-deep);font-weight:700}
.prod-link{margin-top:auto;color:var(--green-deep);font-weight:700;font-size:.92rem}
.prod-link:hover{text-decoration:underline}

/* ---------- Spec / compare table ---------- */
.spec-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.spec-table{width:100%;border-collapse:collapse;min-width:640px;font-size:.92rem}
.spec-table th{background:var(--navy);color:#fff;padding:14px 18px;text-align:left;font-weight:700;white-space:nowrap}
.spec-table td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--text)}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{font-weight:600;color:var(--ink);background:#f8fbfd}
.spec-table .yes{color:var(--green-deep);font-weight:800}
.spec-table .no{color:#b6c2cc}

/* ---------- Wide product selection matrix ---------- */
.spec-table--wide{width:100%;font-size:.78rem;table-layout:fixed}
.spec-table--wide th{padding:10px 6px;text-align:center;vertical-align:bottom}
.spec-table--wide th:first-child{width:11%;text-align:left;vertical-align:middle;position:sticky;left:0;z-index:4}
.spec-table--wide th img{display:block;height:34px;max-width:50px;object-fit:contain;margin:0 auto 6px}
.spec-table--wide td{padding:8px 6px;text-align:center;vertical-align:top;line-height:1.45;word-wrap:break-word}
.spec-table--wide td:first-child{text-align:left;position:sticky;left:0;z-index:2}
.spec-table--wide tbody tr:nth-child(even) td{background:#fafcfe}
.spec-table--wide tbody tr:nth-child(even) td:first-child{background:#f3f8fb}
.spec-table--wide td .sub{display:block;font-size:.7rem;color:var(--muted)}

/* ---------- Process steps (ODM) ---------- */
.steps{display:grid;gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;gap:18px;align-items:flex-start}
.step .num{flex:none;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--green),var(--blue));color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.step b{display:block;color:var(--ink);margin-bottom:4px;font-size:1.05rem}
.step span{color:var(--muted);font-size:.9rem}

/* ---------- Comparison table (Traditional vs AOVX) ---------- */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.cmp-table{width:100%;border-collapse:collapse;min-width:600px;font-size:.92rem}
.cmp-table th{background:var(--navy);color:#fff;padding:16px 20px;text-align:left}
.cmp-table th.win{background:linear-gradient(135deg,var(--green),var(--green-deep))}
.cmp-table td{padding:14px 20px;border-bottom:1px solid var(--line)}
.cmp-table tr:last-child td{border-bottom:none}
.cmp-table td:first-child{font-weight:600;color:var(--ink)}
.cmp-table .no{color:#b6444f}
.cmp-table .yes{color:var(--green-deep);font-weight:700}

/* ---------- Feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}

/* ---------- Check list ---------- */
.check-list{list-style:none}
.check-list li{display:flex;gap:12px;margin-bottom:13px;color:var(--text);font-size:.96rem}
.check-list .tick{flex:none;width:24px;height:24px;border-radius:50%;background:var(--mint);color:var(--green-deep);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;margin-top:2px}
.check-list.on-dark .tick{background:rgba(176,46,72,.18);color:#f2a7b8}
.check-list.on-dark li{color:#dbe8f2}

/* ---------- Dark panel ---------- */
.dark-panel{background:linear-gradient(160deg,var(--navy),var(--navy-3));border-radius:20px;padding:40px;color:#fff;box-shadow:var(--shadow)}
.dark-panel h3{font-size:1.2rem;margin-bottom:20px}

/* ---------- Stats ---------- */
.stats{background:var(--navy-2);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat b{font-size:2.5rem;font-weight:800;background:linear-gradient(90deg,#f2a7b8,#3d8bfd);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.stat span{color:#9fb6c9;font-size:.92rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--green-deep),#611526);color:#fff;padding:86px 0;text-align:center}
.cta-band h2{font-size:2.3rem;font-weight:800;margin-bottom:14px;letter-spacing:-.4px}
.cta-band p{color:rgba(255,255,255,.92);max-width:620px;margin:0 auto 34px;font-size:1.05rem}
.cta-band .btn{background:#fff;color:var(--green-deep)}
.cta-band .btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.2)}

/* ---------- Forms ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.95rem;font-family:inherit;color:var(--text);background:#fbfdff;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.field textarea{resize:vertical;min-height:110px}
.form .btn{width:100%;justify-content:center;margin-top:8px}
.form-note{font-size:.8rem;color:var(--muted);margin-top:14px;text-align:center}

/* ---------- Contact info items ---------- */
.c-item{display:flex;gap:14px;margin-bottom:20px}
.c-item .ico{flex:none;width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--green-deep);display:flex;align-items:center;justify-content:center;font-size:1.15rem}
.c-item b{display:block;color:var(--ink);font-size:.95rem}
.c-item span{display:block;color:var(--muted);font-size:.9rem}

/* ---------- Download cards ---------- */
.dl-card{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px;transition:transform .2s,box-shadow .2s}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.dl-card .ico{flex:none;width:46px;height:46px;border-radius:12px;background:#fdf1dc;color:#c47f0a;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.dl-card b{display:block;color:var(--ink);font-size:.98rem}
.dl-card span{color:var(--muted);font-size:.82rem}
.dl-card .dl{margin-left:auto;color:var(--green-deep);font-weight:700;font-size:.85rem;white-space:nowrap}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:#fff;overflow:hidden}
.faq-q{width:100%;background:none;border:none;font-family:inherit;text-align:left;padding:20px 24px;font-size:1rem;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--green-deep);font-weight:400;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 20px;color:var(--muted);font-size:.94rem}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#8aa2b8;padding:64px 0 30px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.f-grid .logo{margin-bottom:16px}
.f-grid p{font-size:.9rem;max-width:260px}
.f-grid h4{color:#fff;font-size:.95rem;margin-bottom:18px}
.f-grid ul{list-style:none}
.f-grid li{margin-bottom:11px;font-size:.9rem}
.f-grid a:hover{color:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;display:flex;justify-content:space-between;align-items:center;font-size:.83rem;flex-wrap:wrap;gap:10px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .grid-4{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:980px){
  .prod-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-hero h1{font-size:2.1rem}
}
/* compact desktop nav tier — keeps 7 items on one line down to ~1181px (longest case: DE) */
@media (max-width:1320px){
  .nav-links{gap:14px}
  .nav-links a{font-size:.94rem}
  .nav-cta{padding:9px 17px;font-size:.92rem}
  .nav-inner{gap:14px}
}
@media (max-width:1180px){
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
  .nav-open .nav-links{display:flex;position:absolute;top:76px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:24px;gap:20px;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-open .nav-links a{font-size:1.05rem}
  .nav-open .nav-links a::after{display:none}
}
@media (max-width:640px){
  .prod-grid,.grid-3,.grid-4,.form-grid,.f-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:1.8rem}
  .section{padding:64px 0}
}

/* ---------- Insights (blog index) ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-card .cover{height:172px;background:linear-gradient(150deg,var(--navy-2),var(--navy-3));position:relative;display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.post-card .cover svg{width:56px;height:56px;opacity:.9}
.post-card .cat{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:.68rem;font-weight:800;letter-spacing:1px;padding:4px 11px;border-radius:999px;text-transform:uppercase}
.post-card .body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.post-card .meta{font-size:.78rem;color:var(--muted);margin-bottom:10px;font-weight:600}
.post-card h3{color:var(--ink);font-size:1.1rem;line-height:1.42;margin-bottom:12px}
.post-card p{color:var(--muted);font-size:.92rem;margin-bottom:18px}
.post-card .go{margin-top:auto;color:var(--green-deep);font-weight:700;font-size:.92rem}

/* ---------- Article page ---------- */
.article{max-width:768px;margin:0 auto}
.article-body{font-size:1.06rem;line-height:1.82;color:var(--text)}
.article-body h2{font-size:1.5rem;color:var(--ink);margin:46px 0 16px;letter-spacing:-.3px;font-weight:800}
.article-body h3{font-size:1.18rem;color:var(--ink);margin:32px 0 12px;font-weight:700}
.article-body p{margin-bottom:20px}
.article-body ul,.article-body ol{margin:0 0 22px 24px}
.article-body li{margin-bottom:10px}
.article-body strong{color:var(--ink)}
.article-body a{color:var(--green-deep);font-weight:600;text-decoration:underline}
.article-body blockquote{border-left:3px solid var(--green);background:var(--mint);padding:18px 24px;border-radius:0 12px 12px 0;margin:26px 0;color:var(--ink)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:.94rem}
.article-body th{background:var(--navy);color:#fff;padding:12px 16px;text-align:left;font-weight:700}
.article-body td{padding:11px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:none}
.article-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin-top:20px;font-weight:600}
.article-cta{background:linear-gradient(160deg,var(--navy),var(--navy-3));border-radius:18px;padding:36px;color:#fff;margin:52px 0 0}
.article-cta h3{font-size:1.3rem;margin-bottom:10px;color:#fff}
.article-cta p{color:#b9cbda;margin-bottom:22px;font-size:.96rem}
.post-nav{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);font-size:.92rem;flex-wrap:wrap}
.post-nav a{color:var(--green-deep);font-weight:700}
@media (max-width:980px){.post-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.post-grid{grid-template-columns:1fr}}

/* ---------- Language switcher ---------- */
.nav-right{display:flex;gap:12px;align-items:center;flex:0 0 auto}
.lang-menu{position:relative}
.lang-menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;color:#fff;font-size:.84rem;font-weight:800;letter-spacing:.5px;padding:8px 12px;border:1.5px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07);border-radius:9px;white-space:nowrap;user-select:none;transition:border-color .2s,background .2s}
.lang-menu summary:hover{border-color:rgba(255,255,255,.62);background:rgba(255,255,255,.14)}
.lang-menu summary::before{content:"🌐";font-size:.9rem;line-height:1}
.lang-menu summary::-webkit-details-marker{display:none}
.lang-menu summary::after{content:"▾";font-size:.66rem}
.lang-menu[open] summary{color:#fff;border-color:var(--green);background:rgba(176,46,72,.22)}
.lang-drop{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:172px;z-index:300}
.lang-drop a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink);font-size:.86rem;font-weight:600;text-decoration:none;white-space:nowrap}
.lang-drop a:hover{background:var(--mint);color:var(--green-deep)}
.lang-drop a.cur{color:var(--green-deep);font-weight:800}
@media (max-width:640px){
  .lang-menu summary{padding:6px 10px;font-size:.78rem}
  .lang-menu summary::before{display:none}
  .nav-right{gap:8px}
}