@font-face{font-family:Lato;src:url(/static/fonts/lato-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Lato;src:url(/static/fonts/lato-700.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Lato;src:url(/static/fonts/lato-900.woff2) format("woff2");font-weight:900;font-style:normal;font-display:swap}

:root{
  --yellow:#FFED00;
  --yellow-deep:#E6D400;
  --blue:#24388D;
  --ink:#171C22;
  --slate:#2A333C;
  --steel:#5E6B77;
  --muted:#6B7680;
  --line:#E2E6E9;
  --line-dark:#3B454F;
  --paper:#F5F6F7;
  --paper-2:#EDEFF1;
  --white:#fff;
  --sans:Lato,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --wrap:1240px;
  --pad:clamp(20px,4vw,40px);
  --r:4px;
  --shadow:0 18px 50px rgba(23,28,34,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.65;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.02em;font-weight:900}
h1{font-size:clamp(40px,5.2vw,72px)}
h2{font-size:clamp(28px,3.4vw,44px)}
h3{font-size:clamp(19px,1.7vw,24px)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.skip{position:absolute;left:-999px;top:0;background:var(--yellow);color:var(--ink);padding:10px 16px;z-index:200}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}

/* ── topbar / header ─────────────────────────────────────── */
.topbar{background:var(--ink);color:#C7CDD3;font-size:12.5px;letter-spacing:.02em}
.topbar__inner{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:36px}
.topbar__tag{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__links{display:flex;gap:22px;flex:none}
.topbar__links a:hover{color:var(--yellow)}

.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header__inner{display:flex;align-items:center;gap:28px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo img{width:132px;height:auto}
.logo__cn{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--steel);border-left:1px solid var(--line);padding-left:10px;line-height:1}
.nav{display:flex;gap:4px;margin-left:auto}
.nav__link{position:relative;padding:10px 13px;font-size:14.5px;font-weight:700;color:var(--slate);border-radius:var(--r)}
.nav__link:hover{background:var(--paper)}
.nav__link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;background:var(--yellow)}
.header__actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{width:40px;height:40px;border:0;background:transparent;border-radius:50%;display:grid;place-items:center}
.icon-btn:hover{background:var(--paper)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round}
.icon-btn:last-child{font-size:26px;line-height:1}
.lang-btn{width:40px;height:40px;display:grid;place-items:center;font-size:12px;font-weight:900;border:1px solid var(--line);border-radius:50%;color:var(--slate)}
.lang-btn:hover{border-color:var(--ink)}
.header__cta{height:42px;padding:0 18px;font-size:14px}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:11px}
.menu-btn span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
.menu-btn[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.searchbar{border-top:1px solid var(--line);background:var(--white)}
.searchbar__inner{display:flex;align-items:center;gap:12px;padding-top:16px;padding-bottom:16px}
.searchbar svg{width:20px;height:20px;fill:none;stroke:var(--steel);stroke-width:1.8;flex:none}
.searchbar input{flex:1;border:0;background:transparent;font-size:18px;outline:0;min-width:0}
.searchbar .icon-btn{flex:none}

/* ── buttons / pills ─────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r);font-weight:700;font-size:15px;line-height:1;transition:transform .15s,background .15s,color .15s,border-color .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--slate)}
.btn--yellow{background:var(--yellow);color:var(--ink)}
.btn--yellow:hover{background:var(--yellow-deep)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--lg{height:54px;padding:0 28px;font-size:16px}
.btn--sm{height:38px;padding:0 14px;font-size:13px}
.btn--full{width:100%}
.pill{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 15px;border:1px solid var(--line);border-radius:100px;font-size:13.5px;font-weight:700;color:var(--slate);background:#fff;transition:.15s}
.pill span{font-size:11px;color:var(--muted);font-weight:400}
.pill:hover{border-color:var(--ink)}
.pill.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.pill.is-active span{color:#AEB7BF}
.pill--sm{height:32px;padding:0 12px;font-size:12.5px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.text-link{font-weight:700;font-size:14px;border-bottom:2px solid var(--yellow);padding-bottom:2px;white-space:nowrap}
.text-link:hover{border-color:var(--ink)}

.eyebrow{display:inline-block;font-size:11.5px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:18px}
.eyebrow--yellow{color:var(--yellow)}
.eyebrow--dark{color:#AEB7BF}

/* ── hero ────────────────────────────────────────────────── */
.hero{position:relative;padding:clamp(40px,6vw,80px) 0 0;background:#fff;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero__copy{position:relative;z-index:2}
.hero h1{margin:0 0 22px;max-width:12em}
.hero__h1{white-space:pre-line}
.hero__sub{font-size:clamp(16px,1.5vw,19px);color:var(--steel);max-width:36em;line-height:1.7}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero__proof{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.hero__proof span{display:flex;align-items:center;gap:8px}
.hero__proof span::before{content:"";width:6px;height:6px;background:var(--yellow);border-radius:50%}
.hero__visual{position:relative;min-height:520px}
.hero__yellow{position:absolute;inset:6% 0 0 8%;background:var(--yellow);border-radius:2px}
.hero__photo{position:absolute;inset:12% 3% 6% 0;display:grid;place-items:center;z-index:1}
.hero__photo img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 30px 30px rgba(23,28,34,.16))}
.hero__card{position:absolute;right:0;bottom:0;z-index:3;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px 18px;min-width:200px}
.hero__card-art{display:block;font-family:var(--mono);font-size:11px;color:var(--steel);margin-bottom:4px}
.hero__card strong{display:block;font-size:15px;line-height:1.25}
.hero__card span:last-child{display:block;font-size:12.5px;color:var(--steel);margin-top:4px}
.hero__badge{position:absolute;left:2%;top:2%;z-index:3;background:var(--ink);color:var(--yellow);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;padding:9px 12px}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:clamp(40px,6vw,72px)}
.stat{padding:24px 24px 26px 0;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:900;letter-spacing:-.03em;line-height:1}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--steel)}

/* ── sections ────────────────────────────────────────────── */
.section{padding:clamp(64px,8vw,110px) 0}
.section--tight{padding-top:clamp(32px,4vw,56px);padding-bottom:clamp(48px,6vw,80px)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(28px,4vw,48px)}
.section__head h2{max-width:20em;margin-top:2px}
.section--features{background:var(--paper)}
.section--selector{background:var(--ink);color:#fff;padding:clamp(56px,7vw,96px) 0}
.section--selector .eyebrow{margin-bottom:14px}
.section--downloads{background:var(--paper)}
.block-title{font-size:24px;margin:44px 0 18px}

/* ── category grid ───────────────────────────────────────── */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D5DADE}
.cat-card__img{aspect-ratio:16/10;background:linear-gradient(145deg,#F7F8F9,#EDEFF1);display:grid;place-items:center;padding:18px}
.cat-card__img img{max-height:100%;width:auto;object-fit:contain;transition:transform .25s}
.cat-card:hover .cat-card__img img{transform:scale(1.04)}
.cat-card__body{padding:22px 22px 24px;border-top:1px solid var(--line);position:relative}
.cat-card__count{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.05em}
.cat-card__body h3{margin:7px 0 10px}
.cat-card__body p{font-size:14px;color:var(--steel);line-height:1.6;max-width:32em}
.cat-card__arrow{position:absolute;right:20px;bottom:22px;font-size:20px;transition:transform .18s}
.cat-card:hover .cat-card__arrow{transform:translateX(5px)}

/* ── selector band ───────────────────────────────────────── */
.selector-band{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,90px);align-items:center}
.selector-band h2{color:#fff;margin-bottom:18px;max-width:13em}
.selector-band p{color:#AEB7BF;font-size:15.5px;max-width:32em;margin-bottom:28px}
.selector-band__chips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cable-chip{display:flex;align-items:center;gap:12px;padding:16px 16px;border:1px solid var(--line-dark);background:#1E252C;color:#fff;border-radius:var(--r);font-size:13.5px;font-weight:700;transition:.15s}
.cable-chip:hover{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.cable-chip__code{font-family:var(--mono);font-size:10.5px;color:#8F9AA5;letter-spacing:.05em}
.cable-chip:hover .cable-chip__code{color:var(--slate)}
.cable-chip__arrow{margin-left:auto;opacity:.5}

/* ── applications ────────────────────────────────────────── */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.app-card{border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.app-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.app-card__img{aspect-ratio:4/3;background:linear-gradient(145deg,#F7F8F9,#EDEFF1);display:grid;place-items:center;padding:14px;overflow:hidden}
.app-card__img img{max-height:100%;width:auto;object-fit:contain;transition:transform .25s}
.app-card:hover .app-card__img img{transform:scale(1.05)}
.app-card__body{padding:18px 18px 20px;border-top:1px solid var(--line)}
.app-card__count{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.app-card__body h3{font-size:18px;margin:6px 0 8px}
.app-card__body p{font-size:13px;color:var(--steel);line-height:1.55}
.app-card__more{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:700}
.app-grid--large{grid-template-columns:repeat(2,1fr);gap:22px}
.app-grid--large .app-card{display:grid;grid-template-columns:42% 1fr}
.app-grid--large .app-card__img{aspect-ratio:auto;min-height:220px}
.app-grid--large .app-card__body{border-top:0;border-left:1px solid var(--line);padding:26px}
.app-grid--large .app-card__body h3{font-size:23px}

/* ── features ────────────────────────────────────────────── */
.feature-intro{max-width:820px;margin-bottom:clamp(32px,4vw,52px)}
.feature-intro h2{margin-top:2px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{border-top:2px solid var(--ink);padding-top:20px}
.feature__icon{width:44px;height:44px;display:grid;place-items:center;background:var(--yellow);margin-bottom:18px}
.feature__icon svg{width:26px;height:26px;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.feature h3{font-size:18px;margin-bottom:8px}
.feature p{font-size:13.5px;color:var(--steel);line-height:1.6}

/* ── product cards ───────────────────────────────────────── */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D5DADE}
.pcard__media{position:relative;aspect-ratio:1/1;background:linear-gradient(150deg,#F8F9FA,#EFF1F3);display:grid;place-items:center;padding:22px}
.pcard__media img{max-height:100%;width:auto;object-fit:contain;transition:transform .25s}
.pcard:hover .pcard__media img{transform:scale(1.045)}
.pcard__art{position:absolute;left:12px;top:12px;font-family:var(--mono);font-size:10.5px;color:var(--steel);background:rgba(255,255,255,.85);padding:3px 6px;border-radius:2px}
.pcard__body{padding:16px 16px 18px;border-top:1px solid var(--line);display:flex;flex-direction:column;flex:1}
.pcard__meta{font-size:10.5px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:6px}
.pcard__body h3{font-size:16px;line-height:1.3;margin-bottom:6px}
.pcard__body p{font-size:12.5px;color:var(--steel);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard__more{margin-top:auto;padding-top:12px;font-size:12px;font-weight:700;color:var(--ink)}
.pcard:hover .pcard__more{color:var(--blue)}

/* ── downloads band ──────────────────────────────────────── */
.downloads-band{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,80px);align-items:center}
.downloads-band h2{margin-bottom:16px;max-width:13em}
.downloads-band p{color:var(--steel);margin-bottom:26px;max-width:34em}
.downloads-band__stats{display:grid;grid-template-columns:1fr;gap:0;border-top:2px solid var(--ink)}
.downloads-band__stats div{display:flex;align-items:baseline;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.downloads-band__stats strong{font-size:34px;font-weight:900;letter-spacing:-.03em;min-width:80px}
.downloads-band__stats span{font-size:13.5px;color:var(--steel)}

/* ── knowledge cards ─────────────────────────────────────── */
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.knowledge-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);background:#fff;padding:26px 24px 24px;border-radius:var(--r);min-height:240px;transition:.18s}
.knowledge-card:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-3px)}
.knowledge-card__num{font-family:var(--mono);font-size:11px;color:var(--muted);margin-bottom:auto;display:block}
.knowledge-card h3{font-size:20px;line-height:1.3;margin:26px 0 12px}
.knowledge-card p{font-size:13.5px;color:var(--steel);line-height:1.6}
.knowledge-card:hover p{color:#AEB7BF}
.knowledge-card__more{margin-top:18px;font-size:12.5px;font-weight:700;color:var(--blue)}
.knowledge-card:hover .knowledge-card__more{color:var(--yellow)}
.knowledge-grid--large{grid-template-columns:repeat(2,1fr)}
.knowledge-grid--large .knowledge-card{min-height:260px}
.knowledge-grid--large h3{font-size:26px}

/* ── page head ───────────────────────────────────────────── */
.page-head{padding:clamp(48px,6vw,84px) 0 clamp(36px,4vw,52px);background:var(--paper);border-bottom:1px solid var(--line)}
.page-head h1{margin-bottom:18px}
.page-head__intro{font-size:16.5px;color:var(--steel);max-width:52em}
.page-head__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.page-head--selector{background:var(--ink);color:#fff}
.page-head--selector .page-head__intro{color:#AEB7BF}
.page-head--search{background:var(--paper)}

/* ── breadcrumbs ─────────────────────────────────────────── */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:24px}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs span:last-child{color:var(--steel)}

/* ── filter bar ──────────────────────────────────────────── */
.filterbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px;padding:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}
.filterbar__search{display:flex;align-items:center;gap:10px;flex:1;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0 12px;height:42px}
.filterbar__search svg{width:17px;height:17px;fill:none;stroke:var(--steel);stroke-width:1.8;flex:none}
.filterbar__search input{border:0;outline:0;flex:1;background:transparent;font-size:14px;min-width:0}
.filterbar select{height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0 34px 0 12px;font-size:13.5px;min-width:160px}
.filterbar__count{font-size:12px;color:var(--muted);margin-left:auto;font-family:var(--mono)}
.filterbar--single{margin-bottom:18px}
.empty{padding:48px 0;text-align:center;color:var(--steel);font-size:15px}

/* ── category / application hero ─────────────────────────── */
.cat-hero,.app-hero{padding:clamp(40px,5vw,72px) 0;border-bottom:1px solid var(--line)}
.cat-hero__grid,.app-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.cat-hero h1,.app-hero h1{margin-bottom:20px}
.cat-hero__desc,.app-hero p{font-size:16.5px;color:var(--steel);max-width:36em;line-height:1.7}
.cat-hero__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.cat-hero__img,.app-hero__img{background:linear-gradient(145deg,#F8F9FA,#EDEFF1);border:1px solid var(--line);border-radius:var(--r);min-height:380px;display:grid;place-items:center;padding:28px}
.cat-hero__img img,.app-hero__img img{max-height:360px;width:auto;object-fit:contain}
.cat-nav h2{font-size:24px;margin-bottom:18px}

/* ── product detail ──────────────────────────────────────── */
.product{padding:clamp(28px,4vw,48px) 0 clamp(40px,5vw,64px)}
.product__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(32px,5vw,72px);align-items:start}
.gallery{position:sticky;top:104px}
.gallery__main{aspect-ratio:1/1;background:linear-gradient(150deg,#F8F9FA,#EFF1F3);border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;padding:32px}
.gallery__main img{max-height:100%;width:auto;object-fit:contain}
.gallery__thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery__thumb{width:72px;height:72px;border:1px solid var(--line);background:#fff;border-radius:2px;padding:5px;display:grid;place-items:center}
.gallery__thumb img{max-height:100%;width:auto}
.gallery__thumb.is-active{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.product__artline{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.product__art{font-family:var(--mono);font-size:12px;color:var(--steel);background:var(--paper);padding:5px 9px}
.product__cat{font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.product__info h1{font-size:clamp(30px,3.4vw,46px);margin-bottom:12px}
.product__tagline{font-size:17px;color:var(--slate);font-weight:700;margin-bottom:14px}
.product__desc{font-size:15px;color:var(--steel);line-height:1.7;max-width:40em}
.product__actions{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0}
.product__highlights{margin:6px 0 22px;border-top:1px solid var(--line)}
.product__highlights li{position:relative;padding:10px 0 10px 22px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--slate);line-height:1.55}
.product__highlights li::before{content:"";position:absolute;left:0;top:17px;width:8px;height:8px;background:var(--yellow);border-radius:50%}
.product__meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted);font-family:var(--mono)}
.product__cols{display:grid;grid-template-columns:1fr 320px;gap:clamp(28px,5vw,64px);align-items:start}
.block{margin-bottom:44px}
.block h2{font-size:24px;margin-bottom:16px}
.block__lead{font-size:13.5px;color:var(--steel);margin-bottom:14px}
.prose{font-size:15.5px;color:var(--slate);line-height:1.8;max-width:46em}
.cable-list{display:flex;flex-wrap:wrap;gap:8px}
.cable-tag{display:flex;align-items:center;gap:10px;padding:10px 13px;border:1px solid var(--line);background:#fff;border-radius:var(--r);font-size:13px;transition:.15s}
.cable-tag:hover{border-color:var(--ink);background:var(--paper)}
.cable-tag__code{font-family:var(--mono);font-size:10.5px;color:var(--blue)}
.doc-list li{display:grid;grid-template-columns:64px 1fr auto auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.doc-list__kind{font-size:10.5px;font-weight:900;letter-spacing:.06em;color:var(--blue);text-transform:uppercase}
.doc-list__size{font-family:var(--mono);font-size:11px;color:var(--muted)}
.doc-list__dl{font-weight:700;font-size:12.5px}
.doc-list__dl:hover{text-decoration:underline}
.spec-card{position:sticky;top:104px;border:1px solid var(--line);border-radius:var(--r);padding:22px;background:var(--paper)}
.spec-card h2{font-size:19px;margin-bottom:14px}
.spec-card dl div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #DDE2E6;font-size:12.5px}
.spec-card dt{color:var(--steel)}
.spec-card dd{font-family:var(--mono);text-align:right;color:var(--ink)}
.spec-card .btn{margin-top:18px}
.aside-card{margin-top:16px;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.aside-card h3{font-size:15px;margin-bottom:12px}

/* ── selector ────────────────────────────────────────────── */
.selector{display:grid;gap:32px}
.selector__panel{border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px);background:var(--paper)}
.selector__group{padding:18px 0;border-bottom:1px solid #DDE2E6}
.selector__group:first-child{padding-top:0}
.selector__label{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.selector__label span{font-family:var(--mono);color:var(--blue);font-size:11px}
.pill--select{border-color:#D6DBDF}
.pill--select.is-active{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.selector__foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:18px}
#selectorCount{font-size:13px;color:var(--steel);font-family:var(--mono)}
.selector__help{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--ink);color:#fff;padding:24px 28px;border-radius:var(--r)}
.selector__help p{font-size:14px;color:#C7CDD3;max-width:46em}
.pcard.is-hidden{display:none}

/* ── downloads ───────────────────────────────────────────── */
.doc-table{border-top:1px solid var(--line)}
.doc-row{display:grid;grid-template-columns:72px 1fr 150px auto;gap:14px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line);font-size:13.5px}
.doc-row__art{font-family:var(--mono);font-size:11.5px;color:var(--blue)}
.doc-row__cat{font-size:11.5px;color:var(--muted)}
.doc-row__links{display:flex;gap:14px;align-items:center;font-size:12.5px;font-weight:700}
.doc-row__links a:hover{text-decoration:underline}
.muted{color:var(--muted);font-weight:400}
.doc-row.is-hidden{display:none}
.brochure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.brochure{display:flex;flex-direction:column;gap:4px;border:1px solid var(--line);padding:18px;border-radius:var(--r);transition:.15s;min-height:120px}
.brochure:hover{border-color:var(--ink);background:var(--paper)}
.brochure__icon{font-family:var(--mono);font-size:10px;font-weight:700;color:var(--blue);letter-spacing:.08em}
.brochure__name{font-size:14px;font-weight:700;line-height:1.4}
.brochure__size{margin-top:auto;font-size:11.5px;color:var(--muted)}

/* ── article ─────────────────────────────────────────────── */
.article-head{padding:clamp(40px,5vw,72px) 0 clamp(28px,4vw,44px);background:var(--paper);border-bottom:1px solid var(--line)}
.article-head__inner{max-width:900px}
.article-head h1{font-size:clamp(32px,4vw,54px);margin-bottom:18px}
.article-head__summary{font-size:17px;color:var(--steel);max-width:44em}
.article{display:grid;grid-template-columns:1fr 290px;gap:clamp(32px,5vw,72px);align-items:start}
.article__body p{font-size:16.5px;line-height:1.85;color:var(--slate);margin-bottom:22px;max-width:44em}
.article__note{margin-top:34px;border-left:4px solid var(--yellow);background:var(--paper);padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.article__note strong{font-size:15px}
.article__note span{font-size:13.5px;color:var(--steel)}
.article__note a{font-size:13px;font-weight:700;color:var(--blue)}
.article__aside{border:1px solid var(--line);border-radius:var(--r);padding:20px;position:sticky;top:104px}
.article__aside h3{font-size:15px;margin-bottom:14px}
.mini-product{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px;line-height:1.35}
.mini-product:last-child{border-bottom:0}
.mini-product img{width:56px;height:48px;object-fit:contain;background:var(--paper);padding:4px;flex:none}
.mini-product strong{display:block;font-family:var(--mono);font-size:10.5px;color:var(--blue);margin-bottom:2px}
.faq{margin-top:64px;max-width:860px}
.faq h2{font-size:28px;margin-bottom:20px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-weight:700;font-size:15px;cursor:pointer;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary span{font-size:20px;font-weight:400;color:var(--blue)}
.faq__item[open] summary span{transform:rotate(45deg)}
.faq__item p{padding:0 0 20px;color:var(--steel);font-size:14px;line-height:1.75;max-width:60em}

/* ── about ───────────────────────────────────────────────── */
.about-hero{padding:clamp(44px,6vw,80px) 0;border-bottom:1px solid var(--line)}
.about-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.about-hero h1{margin-bottom:20px;font-size:clamp(34px,3.6vw,58px)}
.about-h1{white-space:pre-line}
.about-hero p{font-size:16.5px;color:var(--steel);max-width:38em;line-height:1.75}
.about-hero__facts{display:flex;gap:32px;margin-top:30px;flex-wrap:wrap}
.about-hero__facts strong{display:block;font-size:32px;font-weight:900;letter-spacing:-.03em}
.about-hero__facts span{font-size:12px;color:var(--steel)}
.about-hero__img{background:linear-gradient(145deg,#F8F9FA,#EDEFF1);border:1px solid var(--line);min-height:360px;display:grid;place-items:center;overflow:hidden;padding:28px}
.about-hero__img img{max-height:360px;width:auto;object-fit:contain}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,54px)}
.about-block{border-top:2px solid var(--ink);padding-top:18px}
.about-block__num{font-family:var(--mono);font-size:11px;color:var(--blue)}
.about-block h2{font-size:26px;margin:8px 0 12px}
.about-block p{font-size:14.5px;color:var(--steel);line-height:1.75}
.section--quality{background:var(--paper)}
.quality{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.quality h2{margin-bottom:18px;max-width:13em}
.quality p{color:var(--steel);max-width:36em}
.quality__marks{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.quality__marks span{border:1px solid var(--line);background:#fff;padding:8px 12px;font-size:11px;font-weight:900;letter-spacing:.08em}
.quality__img{min-height:300px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);overflow:hidden;padding:24px}
.quality__img img{max-height:320px;width:auto;object-fit:contain}
.about-contact{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.about-contact h2{margin:6px 0 14px}
.about-contact p{color:var(--steel);max-width:38em}
.about-contact__card{border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;gap:10px;font-size:14px}
.about-contact__card a:not(.btn){font-weight:700}
.about-contact__card .btn{margin-top:12px;align-self:flex-start}

/* ── contact ─────────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);align-items:start}
.enquiry{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-size:12px;font-weight:700;letter-spacing:.03em;color:var(--slate)}
.field input,.field textarea{border:1px solid var(--line);border-radius:var(--r);padding:12px 13px;font-size:14px;background:#fff;outline:0;transition:border .15s,box-shadow .15s}
.field input:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,237,0,.45)}
.field textarea{resize:vertical;min-height:140px}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.enquiry__foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.enquiry__note{font-size:12px;color:var(--muted)}
.enquiry__status{margin:0;font-size:13.5px;font-weight:700}
.enquiry__status.is-ok{color:#18794E}
.enquiry__status.is-err{color:#B42318}
.contact-card{border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,32px);background:var(--paper)}
.contact-card h2{font-size:24px;margin-bottom:4px}
.contact-card__operator{font-size:12.5px;color:var(--steel);margin-bottom:20px}
.contact-card dl div{padding:12px 0;border-bottom:1px solid #DDE2E6}
.contact-card dt{font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.contact-card dd{font-size:14px}
.contact-card dd a:hover{text-decoration:underline}
.contact-card__tip{margin-top:20px;padding-top:18px;border-top:1px dashed #CBD1D6;font-size:12.5px;color:var(--steel);display:flex;flex-direction:column;gap:4px}
.contact-card__tip strong{color:var(--ink)}

/* ── search ──────────────────────────────────────────────── */
.searchpage-form{display:flex;gap:10px;margin-top:24px;max-width:640px}
.searchpage-form input{flex:1;height:52px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0 16px;font-size:16px;outline:0}
.searchpage-form input:focus{border-color:var(--ink)}
.searchpage-hint{font-size:13px;color:var(--steel);margin-top:12px}

/* ── legal / 404 ─────────────────────────────────────────── */
.legal{max-width:760px}
.legal p{margin-bottom:18px;color:var(--slate);line-height:1.8;font-size:15px}
.legal a{color:var(--blue);text-decoration:underline}
.page-404{padding:clamp(80px,12vw,160px) 0;text-align:center}
.page-404 h1{font-size:clamp(40px,6vw,78px);margin-bottom:18px}
.page-404 p{color:var(--steel);margin-bottom:28px}
.page-404__actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ── CTA band ────────────────────────────────────────────── */
.cta-band{background:var(--yellow);padding:clamp(44px,6vw,76px) 0}
.cta-band__inner{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.cta-band h2{max-width:15em;font-size:clamp(28px,3.4vw,42px);margin-bottom:12px}
.cta-band p{max-width:38em;color:var(--slate);font-size:15px}
.cta-band__actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band__phone{font-weight:900;font-size:20px;letter-spacing:-.01em}
.cta-band__phone:hover{text-decoration:underline}

/* ── footer ──────────────────────────────────────────────── */
.footer{background:var(--ink);color:#AEB7BF;padding:clamp(44px,6vw,72px) 0 26px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;border-bottom:1px solid var(--line-dark)}
.footer__brand img{margin-bottom:16px}
.footer__brand p{font-size:13px;line-height:1.7;max-width:26em}
.footer__operator{margin-top:10px;color:#98A2AC;font-size:12px!important}
.footer__col{display:flex;flex-direction:column;gap:9px;font-size:13px}
.footer__col h4{color:#fff;font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
.footer__col a:hover{color:var(--yellow)}
.footer__contact span{color:#98A2AC;line-height:1.6}
.footer__bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;font-size:11.5px;color:#98A2AC;flex-wrap:wrap}
.footer__legal{display:flex;gap:18px}
.footer__legal a:hover{color:var(--yellow)}
.footer__source{max-width:40em;text-align:right}

/* ── quick inquiry ───────────────────────────────────────── */
.quick-inquiry{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px 14px;border-radius:var(--r)}
.quick-inquiry[hidden]{display:none}
.quick-inquiry strong{font-size:13px}
.quick-inquiry__close{position:absolute;right:-8px;top:-8px;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:14px;line-height:1;display:grid;place-items:center}
.quick-inquiry .btn{height:38px;padding:0 14px;font-size:12.5px}

/* ── responsive ──────────────────────────────────────────── */
@media(max-width:1100px){
  .nav__link{padding:10px 9px;font-size:13.5px}
  .cat-grid,.product-grid{grid-template-columns:repeat(3,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer__contact{grid-column:1/-1}
}
@media(max-width:1080px){
  .nav{position:fixed;inset:112px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:12px var(--pad) 18px;display:none}
  .nav.is-open{display:flex}
  .nav__link{padding:14px 8px;border-bottom:1px solid var(--line);font-size:16px}
  .nav__link.is-active::after{display:none}
  .menu-btn{display:block}
  .header__cta{display:none}
  .hero__grid,.selector-band,.downloads-band,.about-hero__grid,.quality,.about-contact,.contact-grid,.article,.product__grid{grid-template-columns:1fr}
  .hero__visual{min-height:430px;margin-top:12px}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .cat-hero__grid,.app-hero__grid{grid-template-columns:1fr}
  .cat-hero__img,.app-hero__img{min-height:300px}
  .product__cols{grid-template-columns:1fr}
  .gallery{position:static}
  .spec-card,.article__aside{position:static}
  .app-grid--large{grid-template-columns:1fr}
  .knowledge-grid,.knowledge-grid--large{grid-template-columns:1fr 1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .brochure-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:15px}
  .topbar__tag{display:none}
  .topbar__inner{justify-content:center}
  .header__inner{min-height:64px;gap:12px}
  .logo img{width:110px}
  .logo__cn{display:none}
  .nav{top:100px}
  .hero{padding-top:28px}
  .hero h1{font-size:clamp(36px,10vw,50px)}
  .hero__proof{gap:10px 16px;font-size:11px}
  .hero__stats{grid-template-columns:1fr 1fr}
  .stat{padding:18px 12px 18px 0}
  .cat-grid,.product-grid,.app-grid,.feature-grid,.knowledge-grid,.knowledge-grid--large,.brochure-grid{grid-template-columns:1fr}
  .section__head{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
  .footer__contact{grid-column:1/-1}
  .footer__bottom{flex-direction:column;gap:10px}
  .footer__source{text-align:left}
  .filterbar{flex-direction:column;align-items:stretch}
  .filterbar select{width:100%}
  .filterbar__count{margin-left:0}
  .doc-row{grid-template-columns:64px 1fr;gap:4px 12px}
  .doc-row__cat{grid-column:2}
  .doc-row__links{grid-column:2;flex-wrap:wrap;gap:10px}
  .article__body p{font-size:15.5px}
  .product__actions .btn{width:100%}
  .gallery__main{aspect-ratio:auto;height:300px;padding:16px;overflow:hidden}
  .doc-list li{grid-template-columns:56px 1fr auto;gap:6px 10px}
  .doc-list__size{display:none}
  .selector__help{flex-direction:column;align-items:flex-start}
  .app-grid--large .app-card{grid-template-columns:1fr}
  .app-grid--large .app-card__body{border-left:0;border-top:1px solid var(--line)}
  .quick-inquiry{left:12px;right:12px;bottom:12px;justify-content:space-between}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}