/* TRELLEBORG 中国资料站 — 视觉取自原站：黑、金（#998242）、暖灰纸面 */

:root{
  --ink:#111110;
  --ink-2:#2c2b28;
  --gold:#998242;
  --gold-2:#b5a06a;
  --gold-soft:#e9dfc6;
  --paper:#f4f2ec;
  --paper-2:#eae7de;
  --line:#d8d5cc;
  --line-dark:#3b3934;
  --steel:#55534c;
  --muted:#6e6b63;
  --white:#fff;
  --sans:"Libre Franklin","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --wrap:1280px;
  --pad:clamp(20px,4vw,44px);
  --header-h:78px;
  --r:3px;
  --shadow:0 20px 50px rgba(17,17,16,.09);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;font-family:var(--sans);font-size:16.5px;line-height:1.75;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:1.16;letter-spacing:.005em;font-weight:800;text-wrap:balance}
h1{font-size:clamp(40px,5.2vw,74px)}
h2{font-size:clamp(29px,3.4vw,46px)}
h3{font-size:clamp(19px,1.7vw,24px)}
p{margin:0;text-wrap:pretty}
ul{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
figure{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--white);padding:10px 16px;z-index:300}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:.01em}

/* ── topbar / header ───────────────────────────────────── */
.topbar{background:var(--ink);color:#cdc7b8;font-size:12.5px;letter-spacing:.03em}
.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:24px;flex:none}
.topbar__links a{color:#cdc7b8}
.topbar__links a:hover{color:var(--gold-2)}

.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header__inner{display:flex;align-items:center;gap:26px;min-height:var(--header-h)}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo img{width:168px;height:auto}
.logo__cn{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--steel);border-left:1px solid var(--line);padding-left:12px;line-height:1.2}
.nav{display:flex;gap:2px;margin-left:auto}
.nav__link{position:relative;padding:10px 12px;font-size:15px;font-weight:700;color:var(--ink-2);border-radius:var(--r)}
.nav__link:hover{background:var(--paper)}
.nav__link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;background:var(--gold)}
.header__actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{width:42px;height:42px;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}
.header__cta{height:44px;padding:0 18px;font-size:14px}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:12px}
.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;font-size:26px;line-height:1}

/* ── 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--gold{background:var(--gold);color:#fff}
.btn--gold:hover{background:#84703a}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-2)}
.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:40px;padding:0 15px;border:1px solid var(--line);border-radius:100px;font-size:13.5px;font-weight:700;color:var(--ink-2);background:#fff;transition:.15s;text-align:left}
.pill span{font-size:11.5px;color:var(--muted);font-weight:500}
.pill:hover{border-color:var(--gold)}
.pill.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.pill.is-active span{color:#bdb8ab}
.pill--sm{height:34px;padding:0 12px;font-size:12.5px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.text-link{font-weight:700;font-size:14.5px;border-bottom:2px solid var(--gold);padding-bottom:2px;white-space:nowrap}
.text-link:hover{border-color:var(--ink)}
.text-link--light{color:#fff;border-color:var(--gold-2)}
.text-link--light:hover{border-color:#fff}

.eyebrow{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.eyebrow--light{color:var(--gold-2)}
.eyebrow--dark{color:var(--gold-2)}

/* ── hero ──────────────────────────────────────────────── */
.hero{padding:clamp(40px,5.5vw,76px) 0 0;background:var(--white);overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(28px,4.5vw,68px);align-items:center}
.hero h1{margin:0 0 24px;max-width:12em}
.hero__h1{white-space:pre-line;font-size:clamp(42px,5.4vw,78px)}
.hero__sub{font-size:clamp(16px,1.45vw,18.5px);color:var(--steel);max-width:35em;line-height:1.8}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero__proof{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--muted)}
.hero__proof span{display:flex;align-items:center;gap:8px}
.hero__proof span::before{content:"";width:6px;height:6px;background:var(--gold);border-radius:50%}
.hero__visual{position:relative;min-height:480px}
.hero__frame{position:absolute;inset:5% 0 0 9%;border:1px solid var(--gold)}
.hero__photo{position:absolute;inset:10% 4% 5% 0;z-index:1;overflow:hidden;background:var(--paper)}
.hero__photo img{width:100%;height:100%;object-fit:cover}
.hero__photo figcaption{position:absolute;left:0;bottom:0;background:rgba(17,17,16,.78);color:#e6e2d6;font-size:11px;padding:6px 10px;letter-spacing:.03em}
.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:230px}
.hero__card-art{display:block;font-family:var(--mono);font-size:10.5px;color:var(--gold);margin-bottom:4px}
.hero__card strong{display:block;font-size:15px;line-height:1.35}
.hero__card span:last-child{display:block;font-size:12.5px;color:var(--steel);margin-top:5px}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:clamp(40px,6vw,70px)}
.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,46px);font-weight:800;letter-spacing:-.02em;line-height:1}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--steel)}

/* ── sections ──────────────────────────────────────────── */
.section{padding:clamp(62px,7.5vw,104px) 0}
.section--tight{padding-top:clamp(36px,4.5vw,58px);padding-bottom:clamp(48px,6vw,78px)}
.section--paper{background:var(--paper)}
.section--dark{background:var(--ink);color:#f2efe8}
.section--dark h2,.section--dark h3{color:#fff}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(28px,4vw,46px)}
.section__head--tight{margin-bottom:22px}
.section__head h2{max-width:22em;margin-top:2px}
.section__head--light .eyebrow{color:var(--gold-2)}
.section__note{font-size:12.5px;color:var(--muted);font-family:var(--mono);white-space:nowrap}
.block-title{font-size:24px;margin:34px 0 18px}

/* ── category grid ─────────────────────────────────────── */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);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:#c9c4b6}
.cat-card__img{aspect-ratio:16/11;background:linear-gradient(145deg,#f7f6f1,#ece9e0);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 26px;border-top:1px solid var(--line);position:relative;flex:1}
.cat-card__count{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
.cat-card__body h3{margin:8px 0 10px}
.cat-card__body p{font-size:14px;color:var(--steel);line-height:1.7;max-width:34em;padding-right:22px}
.cat-card__arrow{position:absolute;right:20px;bottom:22px;font-size:20px;transition:transform .18s;color:var(--gold)}
.cat-card:hover .cat-card__arrow{transform:translateX(5px)}
.cat-grid--compact{grid-template-columns:repeat(4,1fr)}
.cat-card--row .cat-card__body{border-top:2px solid var(--ink)}

/* ── series ────────────────────────────────────────────── */
.series-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.series-grid--compact{grid-template-columns:repeat(3,1fr)}
.series-tile{position:relative;display:flex;flex-direction:column;gap:5px;border:1px solid var(--line);background:#fff;padding:20px 20px 18px;border-radius:var(--r);transition:.15s;min-height:130px}
.series-tile:hover{border-color:var(--gold);background:#fffdf7;transform:translateY(-2px)}
.series-tile__code{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--gold)}
.series-tile__name{font-size:15.5px;font-weight:700;line-height:1.45;padding-right:18px}
.series-tile__count{margin-top:auto;font-size:12px;color:var(--muted)}
.series-tile__arrow{position:absolute;right:16px;bottom:16px;color:var(--gold);font-size:16px}
.series-more{margin-top:18px}

/* ── features ──────────────────────────────────────────── */
.feature-intro{max-width:900px;margin-bottom:clamp(30px,4vw,48px)}
.feature-intro h2{margin-top:2px}
.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.feature{border-top:2px solid var(--ink);padding-top:18px}
.feature__num{font-family:var(--mono);font-size:11px;color:var(--gold)}
.feature h3{font-size:17.5px;margin:10px 0 8px}
.feature p{font-size:13.5px;color:var(--steel);line-height:1.7}

/* ── applications ──────────────────────────────────────── */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.app-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line-dark);border-radius:var(--r);padding:24px 24px 22px;transition:.18s;min-height:200px;background:#1a1a18}
.app-card:hover{background:#232320;border-color:var(--gold);transform:translateY(-3px)}
.app-card__num{font-family:var(--mono);font-size:11px;color:var(--gold-2);margin-bottom:14px}
.app-card h3{font-size:21px;margin-bottom:10px;color:#fff}
.app-card p{font-size:13.5px;color:#b8b3a6;line-height:1.7;max-width:34em}
.app-card__more{margin-top:auto;padding-top:18px;font-size:12.5px;font-weight:700;color:var(--gold-2)}
.app-grid--large{grid-template-columns:repeat(2,1fr);gap:22px}
.app-grid--large .app-card{display:grid;grid-template-columns:40% 1fr;background:#fff;border-color:var(--line);padding:0;min-height:240px;overflow:hidden}
.app-grid--large .app-card:hover{background:#fff;transform:translateY(-3px)}
.app-grid--large .app-card h3{color:var(--ink);font-size:24px}
.app-grid--large .app-card p{color:var(--steel)}
.app-grid--large .app-card__num{padding-left:0;margin-bottom:12px;color:var(--gold)}
.app-grid--large .app-card__media{background:var(--paper);display:grid;place-items:center;min-height:240px;overflow:hidden}
.app-grid--large .app-card__media img{width:100%;height:100%;object-fit:cover}
.app-card__ph{font-size:12px;color:var(--muted);font-family:var(--mono);padding:20px;text-align:center}
.app-grid--large .app-card__body{padding:28px 30px 26px;display:flex;flex-direction:column}

/* ── downloads band ────────────────────────────────────── */
.downloads-band{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,6vw,80px);align-items:center}
.downloads-band h2{margin-bottom:16px;max-width:14em}
.downloads-band p{color:var(--steel);margin-bottom:26px;max-width:36em}
.downloads-band__stats{border-top:2px solid var(--ink)}
.downloads-band__stats div{display:flex;align-items:baseline;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
.downloads-band__stats strong{font-size:34px;font-weight:800;letter-spacing:-.02em;min-width:86px}
.downloads-band__stats span{font-size:13.5px;color:var(--steel)}

/* ── knowledge ─────────────────────────────────────────── */
.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:28px 26px 24px;border-radius:var(--r);min-height:250px;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:1.4;margin:28px 0 12px}
.knowledge-card p{font-size:13.5px;color:var(--steel);line-height:1.7}
.knowledge-card:hover p{color:#b8b3a6}
.knowledge-card__more{margin-top:18px;font-size:12.5px;font-weight:700;color:var(--gold)}
.knowledge-card:hover .knowledge-card__more{color:var(--gold-2)}
.knowledge-grid--large{grid-template-columns:repeat(2,1fr)}
.knowledge-grid--large .knowledge-card{min-height:280px}
.knowledge-grid--large h3{font-size:26px}
.knowledge-grid--small{grid-template-columns:repeat(3,1fr);margin-top:16px}
.knowledge-card--row{min-height:0;flex-direction:row;align-items:center;gap:14px;padding:16px 20px}
.knowledge-card--row .knowledge-card__num{margin:0;flex:none}
.knowledge-card--row h3{font-size:14.5px;margin:0;flex:1;line-height:1.45}
.knowledge-card--row .knowledge-card__more{margin:0;flex:none;font-size:12px}

/* ── page head / crumbs ────────────────────────────────── */
.page-head{padding:clamp(36px,5vw,66px) 0 clamp(30px,4vw,44px);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:56em;line-height:1.8}
.page-head__intro + .page-head__intro{margin-top:12px}
.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:#b8b3a6}
.page-head--series{background:var(--white);border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:22px}
.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:24px;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:260px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0 12px;height:44px}
.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:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0 34px 0 12px;font-size:13.5px;min-width:170px}
.filterbar__count{font-size:12px;color:var(--muted);margin-left:auto;font-family:var(--mono);white-space:nowrap}
.empty{padding:44px 0;text-align:center;color:var(--steel);font-size:15px}
.empty a{color:var(--gold);text-decoration:underline}

/* ── tables ────────────────────────────────────────────── */
/* 桌面端不使用横向滚动容器，保证 thead sticky 相对视口生效 */
.table-scroll{overflow:visible}
.model-table{width:100%;border-collapse:collapse;font-size:13.5px}
.model-table thead th{position:sticky;top:calc(var(--header-h) + 1px);z-index:2;background:var(--paper);text-align:left;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);padding:11px 12px;border-bottom:1px solid var(--ink);box-shadow:0 1px 0 var(--ink)}
.model-table tbody td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.model-table tbody tr:hover{background:#fbfaf5}
.model-table tbody a{font-weight:600}
.model-table tbody a:hover{color:var(--gold)}
.model-table .mono{white-space:nowrap}

/* ── split layout ──────────────────────────────────────── */
.split{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(28px,4vw,58px);align-items:start}
.split__aside{display:flex;flex-direction:column;gap:14px;position:sticky;top:calc(var(--header-h) + 18px)}
.split__main{min-width:0}

/* ── product ───────────────────────────────────────────── */
.product{padding:clamp(24px,3.5vw,42px) 0 clamp(40px,5vw,64px)}
.product__grid{display:grid;grid-template-columns:1fr 1.02fr;gap:clamp(28px,4.5vw,66px);align-items:start}
.gallery{position:sticky;top:calc(var(--header-h) + 18px)}
.gallery__main{aspect-ratio:4/3;background:linear-gradient(150deg,#f7f6f1,#ece9e0);border:1px solid var(--line);display:grid;place-items:center;padding:30px;overflow:hidden}
.gallery__main img{max-height:100%;width:auto;object-fit:contain}
.gallery__note{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.6}
.ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:100%;height:100%;min-height:260px;background:repeating-linear-gradient(135deg,#f2f0ea,#f2f0ea 12px,#eae7de 12px,#eae7de 24px);color:var(--muted);text-align:center;padding:20px}
.ph span{font-family:var(--mono);font-size:20px;color:var(--gold);letter-spacing:.06em}
.ph small{font-size:12px}
.ph--large{min-height:320px}
.product__artline{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.product__art{font-family:var(--mono);font-size:12px;color:var(--gold);background:var(--paper);padding:5px 9px;letter-spacing:.04em}
.product__cat{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);border-bottom:1px solid var(--gold);padding-bottom:2px}
.product__info h1{font-size:clamp(27px,3.2vw,44px);margin-bottom:14px;line-height:1.28;max-width:20em}
.pname-head{display:block;white-space:nowrap;overflow-wrap:normal}
.pname-tail{display:block}
.product__tagline{font-size:16px;color:var(--ink-2);font-weight:700;margin-bottom:14px;font-family:var(--mono);line-height:1.6}
.product__desc{font-size:15.5px;color:var(--steel);line-height:1.85;max-width:40em}
.product__highlights{margin:24px 0;border-top:1px solid var(--line)}
.product__highlights li{display:grid;grid-template-columns:7em 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px;line-height:1.65}
.hl-label{color:var(--muted)}
.hl-value{font-weight:600;overflow-wrap:anywhere}
.product__actions{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0}
.product__meta{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;font-size:12.5px;color:var(--steel);border-top:1px solid var(--line);padding-top:16px}
.product__meta dt{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.product__meta a{text-decoration:underline}
.product__cols{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(28px,4.5vw,60px);align-items:start;margin-top:clamp(36px,5vw,60px)}
.block{margin-bottom:44px}
.block h2{font-size:25px;margin-bottom:14px}
.block__lead{font-size:13.5px;color:var(--steel);margin-bottom:16px;max-width:46em}
.prose{font-size:15.5px;color:var(--ink-2);line-height:1.9;max-width:48em}
.prose p{margin-bottom:16px}
.prose h2{font-size:24px;margin:30px 0 12px}
.prose ul{margin:0 0 18px}
.spec-table{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec-table table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th,.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table tbody th{width:36%;font-weight:600;color:var(--steel);background:var(--paper);font-size:13px}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.doc-links li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.doc-links a{font-weight:600;text-decoration:underline;text-decoration-color:var(--gold)}
.doc-links span{color:var(--muted);font-size:12px;flex:none}
.aside-card{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff}
.aside-card h3{font-size:15px;margin-bottom:12px}
.aside-card p{font-size:13px;color:var(--steel);line-height:1.7}
.aside-card--dark{background:var(--ink);color:#b8b3a6;border-color:var(--ink)}
.aside-card--dark h3{color:#fff}
.aside-card--dark p{color:#b8b3a6}
.aside-card--dark .btn{margin-top:14px}
.aside-phone{display:block;margin-top:12px;font-size:15px;font-weight:700;color:var(--gold-2);text-align:center}
.aside-link{display:block;font-size:13px;font-weight:600;padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink-2)}
.aside-link:last-child{border-bottom:0}
.aside-link:hover{color:var(--gold)}
.aside-text{font-size:12.5px;color:var(--steel)}
.aside-sub{margin-top:18px}
.mini-product{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px;line-height:1.5}
.mini-product:last-of-type{border-bottom:0}
.mini-product strong{display:block;font-family:var(--mono);font-size:11px;color:var(--gold);margin-bottom:2px}
.mini-product:hover{color:var(--gold)}
.mini-series{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;font-weight:600}
.mini-series:last-child{border-bottom:0}
.mini-series em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--muted)}
.mini-series:hover{color:var(--gold)}
.kv div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.kv div:last-child{border-bottom:0}
.kv dt{color:var(--muted);flex:none}
.kv dd{text-align:right;font-weight:600}

/* ── category hero ─────────────────────────────────────── */
.cat-hero{padding:clamp(30px,4vw,50px) 0 clamp(38px,5vw,60px);border-bottom:1px solid var(--line)}
.cat-hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,5vw,70px);align-items:center}
.cat-hero h1{margin-bottom:18px}
.cat-hero__desc{font-size:16.5px;color:var(--steel);max-width:38em;line-height:1.8}
.cat-hero__meta{display:flex;gap:26px;margin-top:20px;font-size:13.5px;color:var(--steel)}
.cat-hero__meta strong{font-size:22px;color:var(--ink);margin-right:6px}
.cat-hero__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.cat-hero__img{background:linear-gradient(145deg,#f7f6f1,#ece9e0);border:1px solid var(--line);min-height:340px;display:grid;place-items:center;padding:28px;position:relative}
.cat-hero__img img{max-height:320px;width:auto;object-fit:contain}
.fig-cap{position:absolute;right:10px;bottom:8px;font-size:10.5px;color:var(--muted)}

/* ── selector ──────────────────────────────────────────── */
.selector-panel{border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px);background:var(--paper);margin-bottom:26px}
.selector-row{display:grid;gap:22px}
.selector-row fieldset{border:0;padding:0;margin:0;min-width:0}
.selector-row legend{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-bottom:11px}
.field-inline{display:flex;align-items:center;gap:10px}
.field-inline input{width:130px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0 12px;font-size:14px}
.selector-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:22px;padding-top:16px}
#selectorCount{font-size:13px;color:var(--steel);font-family:var(--mono)}
.selector-table{margin-top:4px}
.selector-help{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--ink);color:#b8b3a6;padding:24px 28px;margin-top:28px}
.selector-help p{font-size:14px;max-width:50em}

/* ── downloads ─────────────────────────────────────────── */
.doc-table{border-top:2px solid var(--ink)}
.doc-row{display:grid;grid-template-columns:52px minmax(0,1fr) 190px 90px;gap:16px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);font-size:13.5px}
.doc-row__kind{font-family:var(--mono);font-size:10.5px;font-weight:700;color:var(--gold);letter-spacing:.08em;border:1px solid var(--gold);padding:3px 5px;text-align:center}
.doc-row__name{font-weight:700;font-size:15px;line-height:1.5;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.doc-row__note{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.6}
.doc-row__lang{font-size:12px;color:var(--steel)}
.doc-row__dl{font-size:13px;font-weight:700;text-align:right;color:var(--gold);white-space:nowrap}
.lang-note{margin-top:18px;font-size:12.5px;color:var(--muted);max-width:58em;line-height:1.7}

/* ── article ───────────────────────────────────────────── */
.article-head{padding:clamp(30px,4.5vw,60px) 0 clamp(24px,3.5vw,40px);background:var(--paper);border-bottom:1px solid var(--line)}
.article-head__inner{max-width:960px}
.article-head h1{font-size:clamp(31px,4vw,52px);margin-bottom:16px;line-height:1.25}
.article-head__summary{font-size:17px;color:var(--steel);max-width:46em;line-height:1.8}
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(30px,4.5vw,64px);align-items:start}
.article__body h2{font-size:26px;margin:34px 0 14px}
.article__body h2:first-child{margin-top:0}
.article__body p{font-size:16.5px;line-height:1.9;color:var(--ink-2);margin-bottom:20px;max-width:42em}
.article__note{margin-top:34px;border-left:4px solid var(--gold);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(--gold)}
.article__aside{border:1px solid var(--line);padding:22px;position:sticky;top:calc(var(--header-h) + 18px)}
.article__aside h3{font-size:15px;margin-bottom:12px}
.faq{margin-top:10px;max-width:900px}
.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:15.5px;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(--gold);flex:none}
.faq__item[open] summary span{transform:rotate(45deg)}
.faq__item p{padding:0 0 20px;color:var(--steel);font-size:14.5px;line-height:1.8;max-width:64em}

/* ── about ─────────────────────────────────────────────── */
.about-hero{padding:clamp(34px,5vw,66px) 0;border-bottom:1px solid var(--line)}
.about-hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(30px,5vw,72px);align-items:center}
.about-hero h1{margin-bottom:20px;font-size:clamp(34px,4vw,58px)}
.about-h1{white-space:pre-line}
.about-hero__lead{font-size:16.5px;color:var(--steel);max-width:38em;line-height:1.85}
.about-hero__facts{display:flex;gap:34px;margin-top:28px;flex-wrap:wrap}
.about-hero__facts strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em}
.about-hero__facts span{font-size:12px;color:var(--steel)}
.about-hero__img{background:var(--paper);border:1px solid var(--line);min-height:340px;display:grid;place-items:center;overflow:hidden;position:relative}
.about-hero__img img{max-height:340px;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(--gold)}
.about-block h2{font-size:25px;margin:8px 0 12px}
.about-block p{font-size:14.5px;color:var(--steel);line-height:1.8}
.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.source-card{border:1px solid var(--line);background:#fff;padding:22px;border-radius:var(--r)}
.source-card h3{font-size:15px;margin-bottom:6px}
.source-num{font-size:42px;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--gold);margin:8px 0 6px}
.source-card p{font-size:13px;color:var(--steel);line-height:1.7;margin-bottom:10px}
.source-card a{font-size:12.5px;font-weight:700;text-decoration:underline;text-decoration-color:var(--gold)}
.source-table{margin-top:6px;border-top:1px solid var(--line)}
.source-note{margin-top:26px;border-left:4px solid var(--gold);background:#fff;padding:20px 22px}
.source-note h3{font-size:15px;margin-bottom:10px}
.source-note p{font-size:13px;color:var(--steel);line-height:1.75;margin-bottom:8px}
.checklist li{position:relative;padding:8px 0 8px 20px;font-size:14.5px;line-height:1.8;color:var(--ink-2);border-bottom:1px solid var(--line)}
.checklist li::before{content:"";position:absolute;left:0;top:17px;width:7px;height:7px;background:var(--gold)}

/* ── contact ───────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,70px);align-items:start}
.enquiry{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field--full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:700;color:var(--ink-2)}
.field input,.field textarea{border:1px solid var(--line);border-radius:var(--r);padding:12px 13px;font-size:15px;background:#fff;outline:0;transition:border .15s,box-shadow .15s;min-width:0}
.field input:focus,.field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(153,130,66,.18)}
.field textarea{resize:vertical;min-height:150px}
.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:4px}
.enquiry__note{font-size:12px;color:var(--muted);line-height:1.6}
.enquiry__status{margin:0;font-size:13.5px;font-weight:700}
.enquiry__status.is-ok{color:#2f6b45}
.enquiry__status.is-err{color:#a03127}
.contact-card{border:1px solid var(--line);padding:clamp(22px,3vw,32px);background:var(--paper)}
.contact-card h2{font-size:22px;margin-bottom:4px}
.contact-card__operator{font-size:12.5px;color:var(--steel);margin-bottom:18px;line-height:1.7}
.contact-card dl div{padding:12px 0;border-bottom:1px solid var(--line)}
.contact-card dt{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.contact-card dd{font-size:14.5px}
.contact-card dd a:hover{text-decoration:underline}
.contact-card__tip{margin-top:18px;padding-top:16px;border-top:1px dashed #c9c4b6;font-size:12.5px;color:var(--steel);line-height:1.7}
.contact-card__tip strong{display:block;color:var(--ink);margin-bottom:3px}

/* ── search ────────────────────────────────────────────── */
.searchpage-form{display:flex;gap:10px;margin-top:22px;max-width:680px}
.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;min-width:0}
.searchpage-form input:focus{border-color:var(--gold)}
.searchpage-hint{font-size:13px;color:var(--steel);margin-top:12px}
.search-results{display:grid;gap:0;border-top:1px solid var(--line)}
.sresult{display:grid;grid-template-columns:130px 1fr auto;gap:16px;align-items:center;padding:14px 2px;border-bottom:1px solid var(--line)}
.sresult:hover{background:#fbfaf5}
.sresult__art{font-family:var(--mono);font-size:11.5px;color:var(--gold)}
.sresult__title{display:block;font-weight:700;font-size:15px;line-height:1.45}
.sresult__sub{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.5}
.sresult__type{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);border:1px solid var(--line);padding:3px 7px;white-space:nowrap}

/* ── legal / 404 ───────────────────────────────────────── */
.legal{max-width:820px}
.legal h2{font-size:22px;margin:30px 0 12px}
.legal p{margin-bottom:16px;color:var(--ink-2);line-height:1.9;font-size:15.5px}
.legal a{color:var(--gold);text-decoration:underline}
.page-404{padding:clamp(80px,12vw,150px) 0;text-align:center}
.page-404 h1{font-size:clamp(38px,6vw,70px);margin-bottom:18px}
.page-404 p{color:var(--steel);margin-bottom:28px;max-width:34em;margin-left:auto;margin-right:auto}
.page-404__actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ── CTA band ──────────────────────────────────────────── */
.cta-band{background:var(--gold);padding:clamp(44px,6vw,76px) 0;color:#fff}
.cta-band .eyebrow{color:#efe7d2}
.cta-band__inner{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.cta-band h2{max-width:16em;font-size:clamp(27px,3.2vw,40px);margin-bottom:12px;color:#fff}
.cta-band p{max-width:38em;color:#f4efe2;font-size:15px;line-height:1.75}
.cta-band__actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band__phone{font-weight:800;font-size:20px;color:#fff;white-space:nowrap}
.cta-band__phone:hover{text-decoration:underline}

/* ── footer ────────────────────────────────────────────── */
.footer{background:var(--ink);color:#a9a498;padding:clamp(44px,6vw,72px) 0 26px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px;padding-bottom:42px;border-bottom:1px solid var(--line-dark)}
.footer__brand img{margin-bottom:16px}
.footer__brand p{font-size:13px;line-height:1.8;max-width:28em}
.footer__operator{margin-top:10px;color:#858073;font-size:12px!important}
.footer__col{display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.footer__col h4{color:#fff;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
.footer__col a:hover{color:var(--gold-2)}
.footer__contact span{color:#858073;line-height:1.7}
.footer__bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;font-size:11.5px;color:#858073;flex-wrap:wrap;line-height:1.7}
.footer__legal{display:flex;gap:18px;flex-wrap:wrap}
.footer__legal a:hover{color:var(--gold-2)}
.footer__source{max-width:42em;text-align:right}
.footer__source a{text-decoration:underline}

/* ── 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:1180px){
  .nav__link{padding:10px 8px;font-size:14px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .series-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(3,1fr);gap:28px}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer__contact{grid-column:1/-1}
}
@media(max-width:1060px){
  .nav{position:fixed;inset:calc(var(--header-h) + 36px) 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,.downloads-band,.about-hero__grid,.contact-grid,.article,.product__grid,.cat-hero__grid{grid-template-columns:1fr}
  .hero__visual{min-height:400px;margin-top:16px}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .cat-hero__img{min-height:280px}
  .product__cols,.split{grid-template-columns:1fr}
  .gallery,.split__aside,.article__aside{position:static}
  .app-grid--large{grid-template-columns:1fr}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .knowledge-grid,.knowledge-grid--large{grid-template-columns:1fr 1fr}
  .knowledge-grid--small{grid-template-columns:1fr 1fr}
  .series-grid,.series-grid--compact{grid-template-columns:1fr 1fr}
  .source-grid{grid-template-columns:1fr 1fr}
  .doc-row{grid-template-columns:46px minmax(0,1fr) auto}
  .doc-row__lang{grid-column:2}
  .doc-row__dl{grid-column:3;grid-row:1/3}
  /* 移动端表格允许横向滚动，关闭 sticky 表头 */
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .model-table thead th{position:static;box-shadow:none}
  .model-table{min-width:720px}
  .product__meta{grid-template-columns:1fr}
}
@media(max-width:640px){
  body{font-size:15.5px;line-height:1.75}
  :root{--header-h:66px}
  .topbar__tag{display:none}
  .topbar__inner{justify-content:center;min-height:34px}
  .topbar__links{gap:16px;font-size:11.5px}
  .header__inner{min-height:var(--header-h);gap:12px}
  .logo img{width:126px}
  .logo__cn{display:none}
  .nav{inset:calc(var(--header-h) + 34px) 0 auto 0}
  .hero{padding-top:28px}
  .hero h1{font-size:clamp(34px,10.5vw,48px)}
  .hero__sub{font-size:15.5px}
  .hero__proof{gap:10px 14px;font-size:11px}
  .hero__visual{min-height:320px}
  .hero__card{position:relative;right:auto;bottom:auto;margin-top:12px;box-shadow:none}
  .hero__stats{grid-template-columns:1fr 1fr;margin-top:34px}
  .stat{padding:18px 12px 18px 0}
  .stat strong{font-size:30px}
  .cat-grid,.series-grid,.series-grid--compact,.app-grid,.feature-grid,.knowledge-grid,.knowledge-grid--large,.knowledge-grid--small,.brochure-grid,.cat-grid--compact{grid-template-columns:1fr}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px}
  .enquiry{grid-template-columns:1fr}
  .field input,.field textarea{min-width:0}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .cta-band__actions{flex-direction:column;align-items:flex-start;gap:14px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand,.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}
  .product__actions .btn{width:100%}
  .gallery__main{aspect-ratio:auto;height:280px;padding:16px}
  .gallery__main img{max-width:100%;max-height:240px;width:auto;height:auto;object-fit:contain}
  .hero__visual{min-height:0}
  .hero__photo{position:relative;inset:auto;height:260px;margin-bottom:12px}
  .hero__photo img{height:100%;object-fit:cover}
  .product__highlights li{grid-template-columns:1fr;gap:2px}
  .article__body p{font-size:16px}
  .sresult{grid-template-columns:1fr;gap:4px}
  .sresult__type{justify-self:start}
  .app-grid--large .app-card{grid-template-columns:1fr}
  .app-grid--large .app-card__media{min-height:180px}
  .source-grid{grid-template-columns:1fr}
  .selector-help{flex-direction:column;align-items:flex-start}
  .quick-inquiry{left:12px;right:12px;bottom:12px;justify-content:space-between}
  .selector-panel{padding:18px 16px}
  .doc-row{grid-template-columns:42px 1fr;gap:4px 12px}
  .doc-row__lang{grid-column:2}
  .doc-row__dl{grid-column:2;grid-row:auto;text-align:left}
  .about-hero__facts{gap:20px}
  .hero__frame{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}