/* =========================================================
   LXPAL 官网样式 —— 参考 nov.com 视觉语言
   红 #DA291C / 黑 / 灰阶，大图 Hero，直角按钮，留白充足
   ========================================================= */
:root{
  --red:#da291c; --red-dark:#ba291c; --red-light:#ed3124;
  --navy:#0b2c4d; --navy-dark:#071d33;
  --black:#000; --ink:#1b1b1b; --gray-darkest:#353535; --gray-dark:#707070;
  --gray:#b2b2b2; --gray-nov:#75787b; --gray-light:#f1f1f1; --gray-lightest:#f8f8f8;
  --line:#e5e7eb; --white:#fff;
  --header-h:72px;
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--gray-dark);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--black);margin:0;line-height:1.2;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 40px}
.narrow{max-width:920px;margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* ---------- 按钮 / 链接 ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--red);color:#fff;font-weight:600;font-size:16px;padding:15px 30px;border:0;border-radius:0;transition:background .2s}
.btn:hover{background:var(--red-dark)}
.btn--ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.7)}
.btn--ghost:hover{background:#fff;color:var(--black)}
.btn--gray{background:#9b9b9b}
.link-underline{display:inline-block;color:#fff;font-weight:500;padding:5px 0 8px;position:relative}
.link-underline::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--red);transition:width .3s var(--ease)}
.link-underline:hover::after{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--black);font-weight:600;font-size:15px}
.link-arrow svg{width:9px;height:14px;color:var(--red);transition:transform .25s var(--ease)}
.link-arrow:hover svg,a:hover .link-arrow svg{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header-h);color:#fff;transition:background-color .25s ease,box-shadow .25s}
.site-header::before{content:"";position:absolute;inset:0 0 -40px;background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,0));pointer-events:none;transition:opacity .25s}
.site-header.is-solid{background:#000}
.site-header.is-solid::before{opacity:0}
.site-header .container{position:relative;height:100%;display:flex;align-items:center;gap:32px;max-width:1360px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0}
.logo svg{height:30px;width:auto}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__cn{font-size:12px;letter-spacing:.12em;opacity:.8;font-weight:400}
.main-nav{flex:1;display:flex;justify-content:center}
.main-nav>ul{display:flex;gap:4px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:flex;align-items:center;height:var(--header-h);padding:0 14px;font-size:15px;font-weight:600;position:relative;white-space:nowrap}
.main-nav>ul>li>a::after{content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.main-nav>ul>li:hover>a::after,.main-nav>ul>li>a[aria-current="page"]::after{transform:scaleX(1)}
.dropdown{position:absolute;top:100%;left:0;min-width:220px;background:rgba(0,0,0,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:rgba(255,255,255,.72);padding:18px 0;border-top:1px solid rgba(255,255,255,.12);box-shadow:0 16px 40px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s var(--ease)}
.main-nav li:hover>.dropdown,.main-nav li:focus-within>.dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:7px 24px;font-size:14px;font-weight:500;color:rgba(255,255,255,.72);white-space:nowrap;transition:color .15s}
.dropdown a:hover,.dropdown a:focus-visible{color:var(--red-light)}
.main-nav>ul>li:nth-last-child(-n+2)>.dropdown{left:auto;right:0}
.dd-item{position:relative}
.dd-item>a{display:flex;align-items:center;justify-content:space-between;gap:24px}
.dd-item>a::after{content:"";width:6px;height:6px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg);opacity:.7;flex-shrink:0}
.dd-item:hover>a{color:var(--red-light)}
.flyout{position:absolute;left:100%;top:-18px;min-width:260px;background:rgba(10,10,10,.97);padding:18px 0;border-left:1px solid rgba(255,255,255,.12);box-shadow:0 16px 40px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateX(6px);transition:all .2s var(--ease)}
.dd-item:hover>.flyout,.dd-item:focus-within>.flyout{opacity:1;visibility:visible;transform:none}
.header-tools{display:flex;align-items:center;gap:18px;flex-shrink:0}
.icon-btn{background:none;border:0;color:#fff;padding:6px;display:flex;align-items:center;gap:8px;font-size:15px}
.icon-btn svg{width:20px;height:20px}
.header-tel{font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px;opacity:.9}
.menu-toggle{display:none}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:.04em;white-space:nowrap}
.lang-switch a{opacity:.65;padding:4px 2px;transition:opacity .2s}
.lang-switch a:hover{opacity:1}
.lang-switch a.is-active{opacity:1;box-shadow:inset 0 -2px 0 var(--red)}
.lang-switch span{opacity:.4}

/* 移动端全屏菜单（NOV 风格：白底分栏） */
.mobile-menu{position:fixed;inset:0;z-index:60;background:#000;overflow:auto;transform:translateX(100%);transition:transform .35s var(--ease);visibility:hidden}
.mobile-menu.is-open{transform:none;visibility:visible}
.mobile-menu__top{display:flex;justify-content:space-between;align-items:center;height:var(--header-h);padding:0 24px;background:#000;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-menu nav{padding:12px 24px 40px}
.mobile-menu details{border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-menu summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-size:17px;font-weight:600;color:#fff;cursor:pointer}
.mobile-menu summary::-webkit-details-marker{display:none}
.mobile-menu summary::after{content:"+";color:var(--red);font-size:22px;font-weight:400}
.mobile-menu details[open]>summary::after{content:"–"}
.mobile-menu details a{display:block;padding:8px 0 8px 12px;font-size:15px;color:rgba(255,255,255,.72)}
.mobile-menu details a:hover{color:var(--red-light)}
.mobile-menu details details{border-bottom:0;margin-left:12px}
.mobile-menu details details summary{font-size:15px;padding:10px 0;color:rgba(255,255,255,.9)}
.mobile-menu details details summary::after{font-size:18px}
.mobile-menu details details a{padding-left:16px}
.mm-lang{padding-top:22px;color:#fff}
.mm-lang .lang-switch{font-size:15px;gap:12px}
.mobile-menu .mm-single{display:block;padding:16px 0;font-size:17px;font-weight:600;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}

/* 搜索层 */
.search-overlay{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.8);display:flex;justify-content:center;align-items:flex-start;padding-top:12vh;opacity:0;visibility:hidden;transition:opacity .2s}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-box{width:min(760px,92vw);background:#111;border-top:3px solid var(--red);box-shadow:0 24px 60px rgba(0,0,0,.5);color-scheme:dark}
.search-box__row{display:flex;align-items:center;gap:14px;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.12)}
.search-box__row svg{width:22px;height:22px;color:var(--red);flex-shrink:0}
.search-box input{flex:1;border:0;background:transparent;font:inherit;font-size:20px;color:#fff;outline:none;caret-color:var(--red)}
.search-box input::placeholder{color:rgba(255,255,255,.45)}
.search-results{max-height:55vh;overflow:auto}
.search-results a{display:block;padding:14px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
.search-results a:hover{background:rgba(255,255,255,.06)}
.search-results strong{display:block;color:#fff;font-size:16px}
.search-results a:hover strong{color:var(--red-light)}
.search-results span{font-size:13px;color:rgba(255,255,255,.6)}
.search-empty{padding:18px 24px;font-size:14px;color:rgba(255,255,255,.6)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#333}
.hero--inner{min-height:78vh;padding:140px 0 100px}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);animation:heroZoom 14s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(198deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.35) 100%),linear-gradient(0deg,rgba(0,0,0,.05) 40%,rgba(0,0,0,.55) 100%),linear-gradient(90deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,0) 70%)}
.hero .container{position:relative;z-index:1;width:100%}
.hero__eyebrow{font-size:15px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:22px;display:flex;align-items:center;gap:14px}
.hero__eyebrow .nw{white-space:nowrap}   /* 首页四项能力各自不拆行，只在“·”处换行 */
.hero__eyebrow::before{content:"";width:40px;height:3px;background:var(--red)}
.hero h1{color:#fff;font-size:clamp(40px,6.2vw,80px);line-height:1.08;font-weight:700;max-width:1040px;margin-bottom:24px;letter-spacing:-.01em}
.hero--inner h1{font-size:clamp(38px,5.4vw,72px)}
.hero__lead{font-size:18px;line-height:1.7;max-width:640px;color:rgba(255,255,255,.92);margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero__scroll{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:1;color:#fff;animation:bob 2s ease-in-out infinite}
.hero__scroll svg{width:34px;height:20px}
@keyframes bob{50%{transform:translate(-50%,8px)}}

/* 首页 Hero 右下角搜索条 */
.hero--home{padding:var(--header-h) 0 88px}
.hero-search{position:absolute;left:0;right:0;bottom:0;z-index:2;background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.14);color:#fff}
.hero-search__inner{display:flex;align-items:center;height:88px}
.hero-search__input{display:flex;align-items:center;gap:14px;padding:0 28px 0 0;height:100%;border:0;border-right:1px solid rgba(255,255,255,.2);background:none;color:rgba(255,255,255,.75);font-size:16px;cursor:pointer;flex-shrink:0;transition:color .2s}
.hero-search__input:hover{color:#fff}
.hero-search__input svg{width:20px;height:20px;color:var(--red-light)}
.hero-search__trending{display:flex;align-items:center;gap:28px;padding:0 0 0 28px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.hero-search__trending::-webkit-scrollbar{display:none}
.hero-search__trending b{color:var(--red-light);font-weight:600}
.hero-search__trending a{color:#fff;transition:color .2s}
.hero-search__trending a:hover{color:var(--red-light)}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--gray-lightest);font-size:14px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:16px 0}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--gray)}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb [aria-current]{color:var(--black);font-weight:600}

/* ---------- 通用区块 ---------- */
.section{padding:110px 0}
.section--tight{padding:80px 0}
.section--gray{background:var(--gray-lightest)}
.section--dark{background:#111;color:rgba(255,255,255,.75)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{text-align:center;max-width:860px;margin:0 auto 56px}
.section-head h2,.h2{font-size:clamp(32px,3.6vw,48px);font-weight:400;line-height:1.17;margin-bottom:24px}
.section-head p{font-size:16px;line-height:1.85}
.section-head .brand-title{letter-spacing:.04em;word-spacing:.1em}   /* “Explore Lxpal”加大字距（11.3 意见） */
.kicker{display:inline-block;color:var(--red);font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.h2-bold{font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.2;margin-bottom:20px}
.lead{font-size:18px;line-height:1.9;color:var(--gray-darkest)}
.prose p{line-height:1.85}
.center{text-align:center}

/* 首页三大入口大图块 */
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;max-width:1180px;margin:0 auto}
.tiles--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.tile{position:relative;height:520px;overflow:hidden;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.tile::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.35);transition:background .4s}
.tile__body{position:relative;z-index:1;padding:32px;max-width:340px}
.tile__title{font-size:24px;font-weight:600;color:#fff;margin-bottom:0;transition:margin .4s var(--ease)}
.tile__text{font-size:15px;line-height:1.7;max-height:0;opacity:0;overflow:hidden;transition:all .45s var(--ease)}
.tile .link-underline{opacity:0;transition:opacity .4s}
.tile:hover img{transform:scale(1.06)}
.tile:hover::after{background:rgba(0,0,0,.6)}
.tile:hover .tile__title{margin-bottom:14px}
.tile:hover .tile__text{max-height:160px;opacity:1;margin-bottom:12px}
.tile:hover .link-underline{opacity:1}

/* 产品列表（NOV J3-product-list 版式：左文右图 + 三栏链接） */
.plist{padding:80px 0;border-top:1px solid var(--line)}
.plist:first-child{border-top:0}
.plist__head{display:flex;gap:56px;align-items:center;margin-bottom:48px}
.plist__head>div{flex:1}
.plist__head h2{font-size:clamp(30px,3.4vw,48px);margin-bottom:18px}
.plist__head img{width:528px;max-width:48%;aspect-ratio:16/9;object-fit:cover}
.plist__links{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 40px}
.plist__links a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);color:var(--black);font-size:16px}
.plist__links a:hover{color:var(--red)}
.plist__links a span{font-size:13px;color:var(--gray-dark)}

/* 卡片（灰底，NOV 新闻卡） */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.cards--4{grid-template-columns:repeat(4,1fr);gap:24px}
.cards--2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--gray-lightest);display:flex;flex-direction:column;transition:box-shadow .3s,transform .3s var(--ease)}
.card:hover{box-shadow:0 18px 40px rgba(0,0,0,.1);transform:translateY(-4px)}
.card__img{aspect-ratio:16/10;overflow:hidden;background:var(--gray-light)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .card__img img{transform:scale(1.05)}
.card__body{padding:28px 30px 30px;display:flex;flex-direction:column;flex:1}
.card__meta{font-size:13px;color:var(--gray-dark);margin-bottom:8px}
.card__meta b{color:var(--red);font-weight:600}
.card h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:12px}
.card p{font-size:15px;line-height:1.8;flex:1;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.card .link-arrow{margin-top:12px}

/* 叠放卡（NOV Explore：大图 + 白色偏移卡） */
.explore{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.explore__item{position:relative;padding-bottom:110px}
.explore__item img{width:100%;aspect-ratio:16/9;object-fit:cover}
.explore__card{position:absolute;left:40px;right:40px;bottom:0;background:var(--gray-lightest);padding:26px 30px;transition:transform .3s var(--ease)}
.explore__item:hover .explore__card{transform:translateY(-8px)}
.explore__card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.explore--cats .explore__card p{-webkit-line-clamp:3!important}
.explore__card p{font-size:14px;line-height:1.7;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 产品大类页：产品行 */
.prows{border-top:1px solid var(--line);margin-top:18px}
.prow{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.prow__img{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--gray-light)}
.prow__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.prow__img:hover img{transform:scale(1.04)}
.prow h2{font-size:clamp(24px,2.4vw,32px);line-height:1.25;margin-bottom:14px}
.prow h2 a:hover{color:var(--red)}
.prow .lead{font-size:17px;margin-bottom:22px}
.prow__specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;margin:0 0 28px;border-top:1px solid var(--line)}
.prow__specs div{padding:12px 0;border-bottom:1px solid var(--line)}
.prow__specs dt{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-dark)}
.prow__specs dd{margin:4px 0 0;font-size:15px;font-weight:600;line-height:1.5;color:var(--black)}
.prow__actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}
.hero--article h1{font-size:clamp(30px,3.8vw,52px);max-width:980px}

/* 图文交错（NOV About：红色色块托底图片） */
.feature{display:flex;align-items:center;gap:72px;padding:80px 0}
.feature--rev{flex-direction:row-reverse}
.feature__media{position:relative;flex:0 0 46%;padding:40px 0 40px 80px}
.feature__media::before{content:"";position:absolute;left:0;top:0;bottom:0;width:62%;background:var(--red);z-index:0}
.feature--rev .feature__media{padding:40px 80px 40px 0}
.feature--rev .feature__media::before{left:auto;right:0}
.feature--gray .feature__media::before{background:var(--gray-light)}
.feature__media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover}
.feature__body{flex:1}
.feature__body h2{font-size:32px;margin-bottom:20px}
.feature__body p{line-height:1.85}

/* 数据带 */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.stat{padding:12px 32px;border-left:1px solid rgba(255,255,255,.15)}
.stat:first-child{border-left:0}
.stat__num{font-size:clamp(34px,3.6vw,52px);font-weight:700;color:#fff;line-height:1.1;margin-bottom:10px;white-space:nowrap}
.stat__num em{font-style:normal;color:var(--red)}
.stat__label{font-size:15px;line-height:1.6}

/* 认证徽章 */
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.badge{border:1px solid var(--line);background:#fff;padding:14px 22px;min-width:150px;text-align:center}
.badge b{display:block;color:var(--black);font-size:17px;font-weight:700}
.badge span{font-size:13px}

/* 服务流程 / 价值 */
.pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:3px solid var(--red)}
.pillars--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.pillar{padding:34px 30px 30px;border-right:1px solid var(--line);background:#fff}
.pillar:last-child{border-right:0}
.pillar__no{font-size:14px;font-weight:700;color:var(--red);letter-spacing:.1em;margin-bottom:14px;overflow-wrap:anywhere}
.pillar h3{font-size:20px;font-weight:600;margin-bottom:12px}
.pillar p{font-size:15px;line-height:1.85;margin:0}

/* 详情页 */
.detail{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:72px;align-items:start}
.detail__main h2{font-size:30px;margin:0 0 20px}
.detail__main h2:not(:first-child){margin-top:56px}
.detail__main p{line-height:1.85}
.detail__figure{margin:0 0 40px}
.detail__figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.detail__figure figcaption,.gallery figcaption{padding:10px 14px;font-size:13px;line-height:1.5;color:var(--gray-darkest);background:#fff;border-top:1px solid var(--line)}
.detail__figure:has(+ .gallery){margin-bottom:16px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;margin:0 0 48px}
.gallery figure{margin:0;display:flex;flex-direction:column;border:1px solid var(--line);background:#fff}
.gallery a{display:block;aspect-ratio:4/3;overflow:hidden;background:#fff}
.gallery img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease)}
.gallery a:hover img{transform:scale(1.05)}
/* 文章图片：插在正文段落之间；单张按原比例显示，几张并排时统一裁成 4:3 */
.art-photos{display:grid;gap:16px;margin:36px 0}
.art-photos--2{grid-template-columns:repeat(2,1fr)}
.art-photos--3{grid-template-columns:repeat(3,1fr)}
.art-photos figure{margin:0}
.art-photos a{display:block;overflow:hidden;background:var(--gray-light)}
.art-photos img{display:block;width:100%;height:auto;transition:transform .5s var(--ease)}
.art-photos--1 img{max-height:720px;object-fit:contain}
.art-photos--2 img,.art-photos--3 img{aspect-ratio:4/3;object-fit:cover}
.art-photos a:hover img{transform:scale(1.03)}
.art-photos figcaption{padding-top:10px;font-size:13px;line-height:1.5;color:var(--gray-dark)}
@media (max-width:640px){.art-photos--3{grid-template-columns:1fr}}
.spec-table{width:100%;border-collapse:collapse;font-size:15px;margin-bottom:8px}
.spec-table th,.spec-table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:34%;color:var(--black);font-weight:600;background:var(--gray-lightest)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;margin:0 0 8px}
.feature-list li{position:relative;padding-left:22px;line-height:1.8}
.feature-list li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:3px;background:var(--red)}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-block;padding:8px 16px;background:var(--gray-lightest);color:var(--black);font-size:14px;border:1px solid var(--line);transition:all .2s}
a.tag:hover{background:var(--red);border-color:var(--red);color:#fff}
.aside{position:sticky;top:calc(var(--header-h) + 24px)}
.aside-box{background:var(--gray-lightest);padding:30px;margin-bottom:24px}
.aside-box h3{font-size:18px;font-weight:600;margin-bottom:16px}
.aside-box ul a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.aside-box ul a:hover,.aside-box ul a[aria-current]{color:var(--red)}
.aside-cta{background:#000;color:rgba(255,255,255,.8);padding:32px 30px}
.aside-cta h3{color:#fff;font-size:20px;margin-bottom:12px}
.aside-cta p{font-size:15px;line-height:1.8}
.aside-cta .tel{display:block;color:#fff;font-size:22px;font-weight:700;margin:6px 0 20px}
.benefit{background:#111;color:rgba(255,255,255,.82);padding:40px;border-left:4px solid var(--red)}
.benefit h2{color:#fff;margin-top:0!important}

/* 分类导航（锚点吸顶条） */
.subnav{position:sticky;top:var(--header-h);z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.subnav ul{display:flex;gap:36px;overflow-x:auto;scrollbar-width:none}
.subnav a{display:block;padding:18px 0;font-weight:600;color:var(--gray-darkest);border-bottom:3px solid transparent;white-space:nowrap}
.subnav a:hover,.subnav a.is-active{color:var(--black);border-bottom-color:var(--red)}

/* 新闻列表 */
.filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;align-items:center}
.filter span{font-weight:600;color:var(--black);margin-right:8px}
.filter a{padding:9px 20px;border:1px solid var(--line);font-size:15px;color:var(--gray-darkest)}
.filter a:hover,.filter a[aria-current]{background:var(--red);border-color:var(--red);color:#fff}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;gap:18px;align-items:flex-start;padding:26px 0;cursor:pointer;color:var(--black);font-size:19px;font-weight:600;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{color:var(--red);font-weight:700;flex-shrink:0}
.faq summary::after{content:"+";margin-left:auto;color:var(--red);font-size:28px;font-weight:300;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{display:flex;gap:18px;padding:0 50px 28px 0;line-height:1.85}
.faq .a b{color:var(--black);flex-shrink:0}

/* 联系 & 表单 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.contact-info{background:#000;color:rgba(255,255,255,.8);padding:64px 56px}
.contact-info h2{color:#fff;font-size:32px;margin-bottom:28px}
.contact-info dl{margin:0}
.contact-info dt{font-size:13px;letter-spacing:.14em;color:var(--red);font-weight:700;margin-top:26px;text-transform:uppercase}
.contact-info dd{margin:6px 0 0;font-size:18px;color:#fff;line-height:1.6}
.contact-info dd a:hover{color:var(--red-light)}
.contact-map{background:var(--gray-lightest);position:relative;min-height:420px;overflow:hidden}
.contact-map img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.form{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:14px;font-weight:600;color:var(--black);margin-bottom:8px}
.form label i{color:var(--red);font-style:normal}
.form input,.form select,.form textarea{width:100%;border:1px solid var(--gray);background:#fff;padding:14px 16px;font:inherit;font-size:16px;color:var(--black);border-radius:0;transition:border-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--red)}
.form textarea{min-height:170px;resize:vertical}
.form .error{border-color:var(--red)}
.form .hint{font-size:13px;color:var(--red);min-height:1em;margin-top:4px}
.form-success{display:none;background:var(--gray-lightest);border-left:4px solid var(--red);padding:28px 32px;color:var(--black)}
.form-success.is-show{display:block}

/* CTA 横幅 */
.cta-band{position:relative;color:#fff;overflow:hidden;padding:110px 0}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.82),rgba(0,0,0,.35));z-index:1}
.cta-band .container{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-band h2{color:#fff;font-size:clamp(28px,3.2vw,44px);font-weight:400;margin-bottom:12px}
.cta-band p{margin:0;font-size:17px;color:rgba(255,255,255,.85);max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{color:var(--gray-dark);font-size:14px}
.footer-top{background:var(--gray-lightest);display:flex;align-items:stretch}
.footer-top__inner{flex:1;display:flex;align-items:center;gap:48px;padding:0 40px 0 max(40px,calc((100vw - 1360px)/2 + 40px));min-height:100px;flex-wrap:wrap}
.footer-top .logo{color:var(--black)}
.footer-top .logo svg{height:28px}
.footer-quick{display:flex;gap:36px;flex-wrap:wrap}
.footer-quick a{display:flex;align-items:center;gap:8px;color:var(--black);font-weight:600}
.footer-quick svg{width:18px;height:18px;color:var(--red)}
.footer-contact{background:var(--red);color:#fff;font-weight:600;font-size:17px;display:flex;align-items:center;justify-content:center;padding:0 60px;min-width:240px;transition:background .2s}
.footer-contact:hover{background:var(--red-dark)}
/* 7 列宽度按各列链接文字的长短分配（解决方案、应用场景两列文字最长），减少折行 */
.footer-cols{max-width:1360px;margin:0 auto;padding:56px 40px 48px;display:grid;grid-template-columns:1fr 1.05fr 1.3fr 1.45fr 1fr 1.1fr .95fr;gap:28px 24px}
.footer-cols h4{font-size:15px;font-weight:600;color:var(--black);padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.footer-cols li{margin-bottom:10px}
.footer-cols a:hover{color:var(--red)}
/* 各列共用同一套行（subgrid）：某一项折成两行时，同一行的其他列一起让出高度，链接逐行对齐。行数由生成器按最长一列写入 --rows（链接行数）和 --span（再加标题一行） */
@supports (grid-template-rows:subgrid){
  .footer-cols{row-gap:10px}
  .footer-cols>div{display:grid;grid-row:span var(--span,5);grid-template-rows:subgrid}
  .footer-cols ul{display:grid;grid-row:span var(--rows,4);grid-template-rows:subgrid}
  .footer-cols h4{margin-bottom:8px}
  .footer-cols li{margin-bottom:0}
  @media (max-width:1180px){.footer-cols>div:nth-child(n+5) h4{margin-top:18px}}
  @media (max-width:640px){.footer-cols>div:nth-child(n+3) h4{margin-top:18px}}
}
.footer-bottom{background:var(--gray-lightest)}
.footer-bottom .container{max-width:1360px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:22px;padding-bottom:22px;font-size:13px}
.footer-bottom ul{display:flex;flex-wrap:wrap}
.footer-bottom li+li::before{content:"|";margin:0 10px;color:var(--gray)}
.footer-bottom a:hover{color:var(--red)}

.to-top{position:fixed;right:24px;bottom:24px;z-index:40;width:48px;height:48px;background:var(--red);color:#fff;border:0;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:18px;height:18px}

/* 滚动显现动画 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.hero__media img{animation:none;transform:none}html{scroll-behavior:auto}}

/* ---------- 响应式 ---------- */
@media (max-width:1599px){.header-tel{display:none}}
@media (max-width:1360px){
  .site-header .container{gap:20px}
  .main-nav>ul>li>a{padding:0 10px}
  .main-nav>ul>li>a::after{left:10px;right:10px}
}
@media (max-width:1240px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .site-header .container{justify-content:space-between}
}
@media (max-width:1180px){
  .main-nav,.header-tel{display:none}
  .menu-toggle{display:flex}
  .site-header .container{justify-content:space-between}
  .footer-cols{grid-template-columns:repeat(4,minmax(0,1fr))}
  .detail{grid-template-columns:1fr;gap:48px}
  .aside{position:static}
  .cards--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .tiles{grid-template-columns:1fr}
  .tile{height:340px}
  .tile .tile__text{max-height:160px;opacity:1;margin-bottom:12px}
  .tile .link-underline{opacity:1}
  .tile .tile__title{margin-bottom:14px}
  .cards,.cards--2{grid-template-columns:1fr 1fr;gap:20px}
  .plist__head{flex-direction:column;align-items:stretch;gap:28px}
  .plist__head img{width:100%;max-width:100%}
  .plist__links{grid-template-columns:1fr 1fr}
  .feature,.feature--rev{flex-direction:column;gap:40px;padding:48px 0}
  .feature__media{width:100%;flex-basis:auto}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(odd){padding-left:0}
  .pillars{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pillar:nth-child(2){border-right:0}
  .pillar{border-bottom:1px solid var(--line)}
  .pillars--3{grid-template-columns:1fr}
  .pillars--3 .pillar{border-right:0}
  .explore{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .hero--home{flex-direction:column;justify-content:flex-end;padding:180px 0 0}
  .hero--home>.container{margin-top:auto;margin-bottom:auto}
  .hero-search{position:relative;align-self:stretch;margin-top:40px}
  .hero-search__inner{height:64px}
  .hero-search__input span{display:none}
  .hero-search__input{padding-right:20px}
  .hero-search__trending{padding-left:20px;gap:22px}
}
@media (max-width:640px){
  body{font-size:15px}
  .cards,.cards--2,.cards--4{grid-template-columns:1fr}
  .plist__links{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer-top{flex-direction:column}
  .footer-top__inner{padding:28px 24px}
  .footer-contact{padding:22px}
  .pillars{grid-template-columns:1fr}
  .pillar{border-right:0}
  .stat{padding:4px 12px 4px 16px}
  .stat:nth-child(odd){padding-left:0}
  .stat__num{font-size:clamp(24px,7.4vw,34px);white-space:normal}
  .contact-info{padding:44px 28px}
  .hero__lead{font-size:16px}
  .logo__cn{display:none}
  .explore__card{left:16px;right:16px}
  .spec-table th{width:40%}
  .spec-table th,.spec-table td{padding:12px}
}

/* 首页产品分类卡 */
.catcard:hover{transform:translateY(-4px)}
.catcard h3 a:hover{color:var(--red)}
.catcard p{-webkit-line-clamp:3}
.catcard__list{margin-top:14px;border-top:1px solid var(--line)}
.catcard__list a{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);color:var(--black);font-size:15px;font-weight:600}
.catcard__list a svg{width:7px;height:12px;color:var(--red);transition:transform .25s}
.catcard__list a:hover{color:var(--red)}
.catcard__list a:hover svg{transform:translateX(4px)}
.plist__links a{flex-direction:column;align-items:flex-start;gap:2px}
.contact-info{padding-left:max(56px,calc((100vw - var(--container))/2 + 40px))}
@media (max-width:900px){.contact-info{padding-left:28px}}
.card p.card__meta{flex:none}
.catcard .card__body>p{flex:none}
.catcard .card__body>p:not(.card__meta){margin-bottom:18px}
.catcard__list{margin-top:auto}

/* 手机页头：只保留图标，给语言切换留位置；极窄屏把语言切换收进菜单 */
@media (max-width:640px){
  .menu-toggle__label{display:none}
  .hero__eyebrow{font-size:12px;letter-spacing:.1em;gap:10px}
  .hero__eyebrow::before{width:24px;flex-shrink:0}
  .header-tools{gap:12px}
  .site-header .container{gap:12px}
  .prow__specs{grid-template-columns:1fr}
}
@media (max-width:900px){.prow{grid-template-columns:1fr;gap:28px;padding:40px 0}}
@media (max-width:359px){.header-tools .lang-switch{display:none}}

/* ---------- LXPAL 标志（客户提供） ---------- */
.logo img{display:block;height:30px;width:auto}
.footer-top .logo img{height:28px}

/* 可持续发展色块：深蓝（客户建议） */
.feature--navy .feature__media::before{background:var(--navy)}

/* 白底产品图：完整显示，不裁切 */
img.is-photo{object-fit:contain!important;background:#fff;padding:5%}

/* 暂无产品图时的占位 */
.ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:18px;text-align:center;
    background:repeating-linear-gradient(135deg,#f4f6f8 0 16px,#eef1f4 16px 32px);color:#8a939d;font-size:13px;letter-spacing:.04em}
.ph img{width:40%!important;max-width:170px;height:auto!important;aspect-ratio:auto!important;opacity:.22;transform:none!important}
.ph--wide{aspect-ratio:16/9}
.detail__figure .ph{min-height:260px}

/* 有产品实拍图的顶部区：深蓝底 + 白色产品卡片 */
.hero--photo{background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 60%,#123d66 100%);min-height:70vh}
.hero--photo .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.hero--photo h1{font-size:clamp(34px,4.2vw,58px)}
.hero__photo{background:#fff;padding:24px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.hero__photo img{width:100%;aspect-ratio:16/10;object-fit:contain}
@media (max-width:900px){
  .hero--photo .container{grid-template-columns:1fr;gap:32px}
  .hero__photo{padding:16px}
}
@media (max-width:640px){.logo img{height:24px}}

/* 产品中心大类卡片（白底产品图） */
.explore--cats .explore__item{padding-bottom:0}
.explore--cats .explore__card{position:relative;left:auto;right:auto;bottom:auto;margin:-48px 40px 0}
.explore--cats .explore__item img.is-photo{padding:4% 8% calc(48px + 4%);border:1px solid var(--line)}
@media (max-width:640px){.explore--cats .explore__card{margin:-48px 16px 0}}

/* 带连字符的词不在连字符处断行 */
.nw{white-space:nowrap}

/* 首页搜索条热门链接：中英文都能完整显示 6 项 */
.hero-search__trending{gap:22px;font-size:15px}
@media (max-width:1179px){.hero-search__input span{display:none}.hero-search__input{padding-right:20px}}
@media (max-width:1099px){.hero-search__trending{gap:14px;font-size:14px;padding-left:16px}}
@media (max-width:1023px){.hero-search__trending{gap:12px}.hero-search__trending b{display:none}}

/* 卡片逐行对齐：同一行的卡片，图片、类别、标题、简介、列表或链接各自对齐 */
@supports (grid-template-rows: subgrid) {
  .cards,.cards--4{row-gap:0}
  .cards>.card{display:grid;grid-template-rows:subgrid;grid-row:span 5;margin-bottom:32px}
  .cards>.card>.card__body{display:grid;grid-template-rows:subgrid;grid-row:span 4;align-content:start}
  .cards>.card .catcard__list{margin-top:0}
  /* 编号卡片（核心能力、核心理念、服务流程等）：某张卡片标题折成两行时，同一排卡片的说明文字仍从同一高度开始 */
  .pillars>.pillar{display:grid;grid-template-rows:subgrid;grid-row:span 3;align-content:start}
}
/* 首页大类卡片：图片区域缩小，产品图留白更多 */
.catcard .card__img{aspect-ratio:16/9}
.catcard .card__img img.is-photo{padding:6% 10%}

/* 资质与认证：固定宽度，中英文排版一致（每行最多 4 个，居中） */
.badges{max-width:1040px;margin:0 auto}
.badge{flex:0 0 240px;min-width:0}
@media (max-width:640px){.badge{flex-basis:calc(50% - 7px)}}

/* 多型号参数表 */
.matrix-title{font-size:19px;margin:32px 0 12px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-matrix{width:100%;min-width:560px;border-collapse:collapse;font-size:14px;line-height:1.5}
.spec-matrix th,.spec-matrix td{border:1px solid var(--line);padding:9px 14px;text-align:left;vertical-align:middle}
.spec-matrix thead th{background:var(--gray-lightest);color:var(--black);font-weight:600}
.spec-matrix tr.grp td{border-top:2px solid #d3d7db}
.spec-matrix td[rowspan]{color:var(--black);font-weight:600;background:#fcfcfc}
.spec-note{font-size:13px;line-height:1.75;color:var(--gray-dark);margin:12px 0 0}

/* 在线留言表单 */
.form-card{background:var(--gray-lightest);border-top:3px solid var(--red);padding:44px 48px 40px}
.form{gap:24px 28px}
.form label{line-height:1.4}
.form input,.form select,.form textarea{display:block;height:48px;padding:0 14px;border:1px solid #cfd3d7;font-size:15px;line-height:1.4;-webkit-appearance:none;appearance:none;box-shadow:none;transition:border-color .2s,box-shadow .2s}
.form textarea{height:auto;min-height:160px;padding:12px 14px;line-height:1.7}
.form select{padding-right:42px;cursor:pointer;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23da291c' stroke-width='1.8'/%3E%3C/svg%3E") no-repeat right 15px center/12px 8px}
.form input::placeholder,.form textarea::placeholder{color:#9aa0a6;opacity:1}
.form input:hover,.form select:hover,.form textarea:hover{border-color:#a9aeb3}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(218,41,28,.12)}
.form .error,.form .error:hover{border-color:var(--red)}
.form .hint{margin:6px 0 0;min-height:0;line-height:1.4}
.form .hint:empty{display:none}
.form-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-note{margin:0;font-size:13px;color:var(--gray-dark)}
.form-note i{color:var(--red);font-style:normal}
.form-card .form-success{background:#fff}
@media (max-width:640px){
  .form-card{padding:28px 20px 24px}
  .form{gap:20px}
  .form-actions .btn{width:100%;justify-content:center}
}