/* 益扬自动化 · 宽屏科技风设计系统 */
:root{
  --blue:#0083DF; --blue2:#34A7F2; --deep:#063A5F; --deep2:#0067AE;
  --ink:#13283A; --sub:#587084; --bg:#FFFFFF; --soft:#F3F9FD; --soft2:#E7F4FC;
  --line:#DDEBF4; --gold:#F5A623;
  --sh:0 18px 50px -20px rgba(6,58,95,.18);
  --sh2:0 30px 80px -28px rgba(0,131,223,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1440px;margin:0 auto;padding:0 56px}
.fade-in{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.fade-in.in{opacity:1;transform:none}
.motion-ready .fade-in{opacity:1;transform:none;transition:none}
.scroll-progress{position:fixed;z-index:260;left:0;right:0;top:0;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left center;pointer-events:none;will-change:transform}

/* 顶部热线条 */
.topline{background:var(--deep);color:rgba(255,255,255,.78);font-size:13px}
.topline .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topline b{color:#fff;font-weight:600;letter-spacing:.5px}
.topline .tl-r{display:flex;gap:22px}
@media(max-width:900px){.topline .tl-r{display:none}}

/* 导航 */
.nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:78px;gap:40px}
.nav,.nav .wrap,.brand img{transition:height .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,background-color .35s}
.nav.is-compact{background:rgba(255,255,255,.97);box-shadow:0 12px 34px -24px rgba(6,58,95,.45)}
.nav.is-compact .wrap{height:66px}
.nav.is-compact .brand img{height:40px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:46px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.25}
.brand .bt b{font-size:19px;font-weight:800;letter-spacing:1px}
.brand .bt span{font-size:11px;color:var(--sub);letter-spacing:2px}
.nav-links{display:flex;gap:34px;margin-left:auto}
.nav-links a{font-size:15.5px;font-weight:600;color:var(--ink);padding:26px 0;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:3px;border-radius:2px;background:var(--blue);transform:scaleX(0);transition:transform .25s}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-links a.on{color:var(--blue)}
.nav-tel{display:flex;align-items:center;gap:10px;background:var(--blue);color:#fff;padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 10px 24px -10px rgba(0,131,223,.55);transition:transform .25s,box-shadow .25s}
.nav-tel:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.nav-tel svg{width:16px;height:16px}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.burger span{transition:transform .3s,opacity .2s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1120px){
  .nav .wrap{height:66px;padding:0 22px;gap:18px}
  .nav-links{position:fixed;top:104px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 22px 20px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--sh)}
  .nav-links.show{display:flex}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--soft2)}
  .nav-links a::after{display:none}
  .nav-tel{display:none}.burger{display:block}
  .topline{display:none}
  .nav-links{top:66px}
}

/* Hero 宽屏 */
.hero{position:relative;background:var(--blue);color:#fff;overflow:hidden}
.hero::before,.hero::after{display:none}
@keyframes ambient-drift{to{transform:translate(-70px,70px) scale(1.15)}}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding-top:88px;padding-bottom:96px}
.hero-tag{display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 18px;font-size:13.5px;letter-spacing:2px;color:rgba(255,255,255,.85)}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.hero h1{font-size:58px;line-height:1.22;font-weight:800;letter-spacing:1px;margin:26px 0 20px}
.hero h1 em{font-style:normal;color:#CCECFF}
.hero .hsub{font-size:17px;color:rgba(255,255,255,.84);max-width:560px}
.hero-cta{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 32px;border-radius:999px;font-weight:700;font-size:15.5px;transition:transform .25s,box-shadow .25s,background .25s}
.btn svg{width:17px;height:17px}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 14px 30px -12px rgba(0,131,223,.7)}
.btn-blue:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.btn-line{border:1.5px solid var(--blue);color:var(--blue)}
.btn-line:hover{background:var(--blue);color:#fff;transform:translateY(-3px)}
.hero-stats{display:flex;gap:44px;margin-top:52px;flex-wrap:wrap}
.hero-stats .hs b{font-size:34px;font-weight:800;color:#fff;display:block;line-height:1.2}
.hero-stats .hs b i{font-style:normal;color:var(--gold);font-size:20px;margin-left:2px}
.hero-stats .hs b i:empty{display:none}
.hero-stats .hs span{font-size:13px;color:rgba(255,255,255,.78);letter-spacing:1px}
.hero-visual{position:relative}
.hero-visual,.hero-visual .hv-card,.hv-chip{will-change:transform,opacity}
.hero-visual .hv-card{background:#fff;border-radius:26px;padding:30px;box-shadow:0 40px 90px -30px rgba(0,0,0,.5)}
.hero-visual .hv-card img{border-radius:14px}
.hv-chip{position:absolute;min-width:116px;background:var(--blue);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.38);border-radius:14px;padding:13px 18px 14px;color:#E9F7FF;font-size:13px;font-weight:600;line-height:1.35;letter-spacing:.5px;box-shadow:0 16px 36px -14px rgba(0,70,119,.48),inset 0 1px 0 rgba(255,255,255,.2)}
.hv-chip::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:#CCECFF}
.hv-chip b{display:block;margin-bottom:3px;color:#fff;font-size:22px;font-weight:800;line-height:1.1;letter-spacing:-.2px;font-variant-numeric:tabular-nums;text-shadow:0 1px 8px rgba(85,190,255,.28)}
.hv-chip.c1{top:8%;left:-30px}
.hv-chip.c2{bottom:10%;right:-20px}
@media(max-width:1120px){
  .hero .wrap{grid-template-columns:1fr;padding-top:60px;padding-bottom:70px;gap:44px}
  .hero h1{font-size:40px}
  .hv-chip{display:none}
}
@media(max-width:640px){.hero h1{font-size:31px}.hero-stats{gap:26px}.hero-stats .hs b{font-size:26px}}

/* 通用区块 */
.sec{padding:104px 0}
.sec-soft{background:var(--soft)}
.sec-deep,.sec-deep.home-deep{background:var(--blue);color:#fff}
.sec-deep.home-deep .shd .sl .kick,.sec-deep.home-deep .more-link{color:#CCECFF}
.sec-deep.home-deep .shd .sl .kick::before{background:#CCECFF}
.sec-deep.home-deep .shd .sr{color:rgba(255,255,255,.82)}
@media(max-width:900px){.sec{padding:72px 0}}
.shd{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:58px;flex-wrap:wrap}
.shd .sl .kick{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;letter-spacing:3px;color:var(--blue);text-transform:uppercase}
.shd .sl .kick::before{content:"";width:26px;height:3px;background:var(--blue);border-radius:2px}
.shd .sl h2{font-size:42px;font-weight:800;letter-spacing:.5px;margin-top:12px;line-height:1.3}
.sec-deep .shd .sl .kick{color:#8FD3FF}.sec-deep .shd .sl .kick::before{background:#8FD3FF}
.shd .sr{font-size:15px;color:var(--sub);max-width:420px}
.sec-deep .shd .sr{color:rgba(255,255,255,.65)}
.more-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--blue);font-size:15px;white-space:nowrap}
.more-link svg{width:16px;height:16px;transition:transform .25s}
.more-link:hover svg{transform:translateX(5px)}
.sec-deep .more-link{color:#8FD3FF}
@media(max-width:640px){.shd .sl h2{font-size:29px}}

/* 公司介绍 */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center}
.ag-img{position:relative}
.ag-img img{border-radius:22px;box-shadow:var(--sh)}
.ag-img .ag-badge{position:absolute;bottom:-26px;right:34px;background:var(--blue);color:#fff;border-radius:18px;padding:20px 30px;box-shadow:var(--sh2)}
.ag-badge b{font-size:30px;display:block;line-height:1.2}
.ag-badge span{font-size:12.5px;opacity:.85}
.about-grid .atxt p{font-size:15.5px;color:var(--sub);margin-bottom:16px;text-indent:2em}
.ag-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.ag-facts .af{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center}
.ag-facts .af b{font-size:26px;color:var(--blue);display:block;font-weight:800}
.ag-facts .af span{font-size:13px;color:var(--sub)}
@media(max-width:1000px){.about-grid{grid-template-columns:1fr;gap:56px}}

/* 公司简介 · 工厂实景轮播 */
.factory-showcase{position:relative;margin-top:76px}
.factory-viewport{overflow:hidden;outline:none;touch-action:pan-y}
.factory-viewport:focus-visible{outline:3px solid rgba(0,131,223,.22);outline-offset:5px}
.factory-track{display:flex;gap:18px;transition:transform .58s cubic-bezier(.22,.8,.28,1);will-change:transform}
.factory-slide{flex:0 0 calc((100% - 54px)/4);aspect-ratio:4/3;overflow:hidden;background:var(--soft);margin:0}
.factory-slide img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s ease}
.factory-slide:hover img{transform:scale(1.035)}
.factory-arrow{position:absolute;top:50%;z-index:2;width:44px;height:44px;border:0;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--blue);box-shadow:0 12px 26px rgba(0,131,223,.3);cursor:pointer;transform:translateY(-50%);transition:transform .25s,background .25s}
.factory-arrow:hover{background:var(--deep);transform:translateY(-50%) scale(1.06)}
.factory-arrow:focus-visible{outline:3px solid rgba(0,131,223,.3);outline-offset:3px}
.factory-arrow svg{width:20px;height:20px}
.factory-prev{left:-22px}.factory-next{right:-22px}
@media(max-width:1000px){
  .factory-showcase{margin-top:64px}
  .factory-slide{flex-basis:calc((100% - 18px)/2)}
}
@media(max-width:600px){
  .factory-showcase{margin-top:54px}
  .factory-track{gap:12px}
  .factory-slide{flex-basis:100%;aspect-ratio:4/3}
  .factory-arrow{width:40px;height:40px}
  .factory-prev{left:10px}.factory-next{right:10px}
}

/* 产品中心 */
.cat-pills{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.cat-pills a{padding:11px 24px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:14.5px;color:var(--ink);transition:all .25s}
.cat-pills a:hover,.cat-pills a.on{border-color:var(--blue);color:var(--blue);background:var(--soft2)}
.prod-cat{margin-bottom:70px;scroll-margin-top:110px}
.prod-cat .pc-hd{display:flex;align-items:baseline;gap:16px;margin-bottom:30px;border-bottom:2px solid var(--line);padding-bottom:16px}
.pc-hd b{font-size:24px;font-weight:800}
.pc-hd span{font-size:13.5px;color:var(--sub)}
.pc-hd .cnt{margin-left:auto;font-size:13px;color:var(--blue);font-weight:700;background:var(--soft2);padding:4px 14px;border-radius:999px}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .35s,box-shadow .35s;display:flex;flex-direction:column}
.prod-card,.news-card,.vid-card,.qr-card,.pl-card,.patent-card,.nl-item{transform-style:preserve-3d;backface-visibility:hidden}
.prod-card:hover{box-shadow:var(--sh2)}
.prod-card .pc-img{aspect-ratio:4/3;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.prod-card .pc-img img{width:100%;height:100%;object-fit:contain;transition:transform .5s}
.prod-card:hover .pc-img img{transform:scale(1.06)}
.prod-card .pc-bd{padding:20px 22px 24px;border-top:1px solid var(--soft2)}
.pc-bd b{font-size:16px;font-weight:700;display:block;margin-bottom:6px;line-height:1.45}
.pc-bd p{font-size:13px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.pc-bd .pc-go{margin-top:14px;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:var(--blue)}
.pc-go svg{width:14px;height:14px}
.custom-card{background:var(--soft);border:1.5px dashed #B9C9E8;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:44px 26px;gap:10px}
.custom-card svg{width:40px;height:40px;color:var(--blue)}
.custom-card b{font-size:17px}
.custom-card p{font-size:13.5px;color:var(--sub)}
.custom-card a{margin-top:8px}
@media(max-width:1200px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:860px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.prod-grid{grid-template-columns:1fr}}

/* 应用行业 */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.ind-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 20px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s}
.ind-card:hover{box-shadow:var(--sh);border-color:var(--blue)}
.ind-card .ic{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--soft2);display:flex;align-items:center;justify-content:center;color:var(--blue)}
.ind-card .ic svg{width:27px;height:27px}
.ind-card b{font-size:15.5px;display:block}
.ind-card span{font-size:12px;color:var(--sub);margin-top:5px;display:block}
@media(max-width:1100px){.ind-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.ind-grid{grid-template-columns:repeat(2,1fr)}}

/* 视频中心 */
.video-band{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.vb-visual{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 34px 80px -30px rgba(0,0,0,.55)}
.vb-visual img{width:100%;aspect-ratio:16/9.5;object-fit:cover}
.vb-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(11,30,63,.28);transition:background .3s}
a.vb-play:hover{background:rgba(11,30,63,.45)}
.vb-play .vp{width:86px;height:86px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 14px rgba(0,131,223,.3);transition:transform .3s}
a.vb-play:hover .vp{transform:scale(1.1)}
.vb-play svg{width:32px;height:32px;color:#fff;margin-left:4px}
.vb-txt h3{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:16px}
.vb-txt>p{color:rgba(255,255,255,.68);font-size:15px;margin-bottom:26px}
.vb-accounts{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vb-acc{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:15px 18px;display:flex;align-items:center;gap:12px;transition:background .25s,transform .25s}
.vb-acc:hover{background:rgba(255,255,255,.13)}
.vb-acc svg{width:22px;height:22px;color:#8FD3FF;flex-shrink:0}
.vb-acc div b{display:block;font-size:14px}
.vb-acc div span{font-size:12px;color:rgba(255,255,255,.55)}
@media(max-width:1000px){.video-band{grid-template-columns:1fr}}

/* 选择我们的优势 · 悬浮放大 */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 34px;position:relative;overflow:hidden;transition:transform .4s cubic-bezier(.2,.7,.3,1.2),box-shadow .4s}
.adv-card::before{content:attr(data-no);position:absolute;top:18px;right:24px;font-size:52px;font-weight:800;color:var(--soft2);line-height:1;transition:color .35s}
.adv-card:hover{transform:scale(1.045);box-shadow:var(--sh2);z-index:2}
.adv-card:hover::before{color:var(--blue);opacity:.14}
.adv-card .ac-ic{width:62px;height:62px;border-radius:18px;background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:24px;box-shadow:0 12px 26px -10px rgba(0,131,223,.55);transition:transform .4s}
.adv-card:hover .ac-ic{transform:scale(1.12) rotate(-6deg)}
.adv-card .ac-ic svg{width:29px;height:29px}
.adv-card b{font-size:19px;font-weight:800;display:block;margin-bottom:10px}
.adv-card p{font-size:14px;color:var(--sub)}
@media(max-width:1000px){.adv-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.adv-grid{grid-template-columns:1fr}}

/* 战略合作伙伴 */
.partner-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pw-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:14px;padding:26px 18px;text-align:center;font-weight:700;font-size:16.5px;letter-spacing:1px;transition:all .3s;display:flex;align-items:center;justify-content:center;min-height:88px}
.pw-item:hover{background:rgba(255,255,255,.13);border-color:rgba(85,190,255,.5)}
.pw-note{margin-top:34px;text-align:center;color:rgba(255,255,255,.5);font-size:13.5px;letter-spacing:1px}
@media(max-width:1000px){.partner-wall{grid-template-columns:repeat(2,1fr)}}

/* 新闻中心：首页采用“重点文章 + 日期列表”的信息骨架 */
.news-section{overflow:hidden}
.news-tabs{display:flex;justify-content:center;gap:12px;margin:6px auto 34px;padding:6px;width:max-content;max-width:100%;background:#fff;border:1px solid var(--line);border-radius:14px}
.news-tab{min-width:142px;padding:12px 26px;border:0;border-radius:9px;background:transparent;color:var(--sub);font-family:inherit;font-size:14px;font-weight:600;line-height:1.4;cursor:pointer;transition:background .25s,color .25s,transform .25s,box-shadow .25s}
.news-tab:hover{color:var(--blue);background:var(--soft)}
.news-tab:active{transform:scale(.98)}
.news-tab:focus-visible{outline:3px solid rgba(37,88,179,.22);outline-offset:2px}
.news-tab.on{color:#fff;background:var(--blue);box-shadow:0 9px 22px -12px rgba(37,88,179,.72)}
.news-panel[hidden]{display:none}
.news-layout{display:grid;grid-template-columns:minmax(320px,.92fr) minmax(0,1.35fr);background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 22px 56px -45px rgba(24,58,118,.44)}
.news-feature{display:flex;flex-direction:column;min-width:0;padding:28px;border-right:1px solid var(--line);transition:background .3s}
.news-feature:hover{background:#fbfcff}
.nf-img{aspect-ratio:16/10;overflow:hidden;border-radius:12px;background:var(--soft)}
.nf-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.news-feature:hover .nf-img img{transform:scale(1.045)}
.nf-body{padding:22px 2px 2px}
.news-meta{font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--blue);font-variant-numeric:tabular-nums}
.nf-body h3{margin:9px 0 9px;font-size:21px;line-height:1.45;font-weight:750;letter-spacing:-.2px}
.nf-body p,.news-row p{color:var(--sub);font-size:13.5px;line-height:1.75;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.nf-body p{-webkit-line-clamp:2}
.news-read{display:inline-flex;align-items:center;gap:7px;margin-top:18px;color:var(--blue);font-size:13px;font-weight:700}
.news-read svg{width:15px;height:15px;transition:transform .25s}
.news-feature:hover .news-read svg{transform:translateX(4px)}
.news-list-grid{display:grid;grid-template-columns:1fr;grid-template-rows:repeat(3,minmax(0,1fr));min-width:0}
.news-row{position:relative;display:grid;grid-template-columns:68px minmax(0,1fr);gap:22px;align-items:center;min-height:164px;padding:26px 58px 26px 30px;border-bottom:1px solid var(--line);transition:background .25s}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--soft)}
.news-row time{display:flex;flex-direction:column;padding-right:17px;border-right:1px solid var(--line);font-variant-numeric:tabular-nums;color:var(--sub)}
.news-row time b{font-size:27px;line-height:1;color:var(--ink);font-weight:700}
.news-row time span{margin-top:7px;font-size:11px;letter-spacing:.4px}
.news-row h3{font-size:17px;line-height:1.5;font-weight:700;letter-spacing:-.1px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row p{margin-top:7px;-webkit-line-clamp:2}
.nr-arrow{position:absolute;right:20px;top:50%;width:16px;height:16px;color:#aab5c8;transform:translateY(-50%);transition:transform .25s,color .25s}
.news-row:hover .nr-arrow{color:var(--blue);transform:translate(4px,-50%)}
.news-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:230px;background:#fff;border:1px solid var(--line);border-radius:20px;color:var(--sub)}
.news-empty b{font-size:17px;color:var(--ink)}
.news-empty span{font-size:13px}
.news-list-tabs{margin-top:-6px;margin-bottom:38px}
.news-list-tabs .news-tab{display:block;text-align:center}
@media(max-width:1050px){.news-layout{grid-template-columns:1fr}.news-feature{border-right:0;border-bottom:1px solid var(--line)}.news-feature{display:grid;grid-template-columns:minmax(260px,.8fr) 1fr;gap:28px}.nf-body{padding:10px 0}.nf-img{aspect-ratio:16/9}}
@media(max-width:720px){.news-tabs{width:100%;overflow-x:auto;justify-content:flex-start}.news-tab{min-width:116px;padding:11px 18px}.news-feature{display:flex;padding:18px}.news-list-grid{grid-template-columns:1fr;grid-template-rows:none}.news-row{border-right:0;border-bottom:1px solid var(--line)}.news-row:last-child{border-bottom:0}.news-row{min-height:132px;padding:20px 42px 20px 18px;grid-template-columns:54px 1fr;gap:14px}.news-row time b{font-size:23px}.news-row h3{font-size:15.5px}.news-row p{display:none}}

/* CTA */
.cta-band{background:var(--blue);border-radius:26px;padding:60px 64px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;flex-wrap:wrap;box-shadow:var(--sh2)}
.cta-band h3{font-size:32px;font-weight:800;margin-bottom:8px}
.cta-band p{opacity:.85;font-size:15px}
.cta-band .cb-r{display:flex;gap:14px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 16px 36px -12px rgba(0,0,0,.35)}
@media(max-width:640px){.cta-band{padding:40px 28px}.cta-band h3{font-size:24px}}

/* 页脚 */
.footer{background:var(--blue);color:rgba(255,255,255,.84);margin-top:0}
.footer .f-top{display:grid;grid-template-columns:1.3fr .72fr .82fr 1.25fr 1.2fr;gap:34px;padding:76px 0 54px}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.f-brand .fb-badge{background:#fff;border-radius:12px;padding:8px 12px;display:flex;align-items:center}
.f-brand img{height:40px}
.f-brand b{color:#fff;font-size:17px}
.footer p{font-size:13.5px;line-height:1.9}
.f-col b{display:block;color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700}
.f-col a{display:block;font-size:13.5px;padding:5px 0;transition:color .2s}
.f-col a:hover{color:#CCECFF}
.f-col .fi{display:flex;gap:10px;font-size:13.5px;padding:6px 0;align-items:flex-start}
.f-col .fi svg{width:15px;height:15px;color:#CCECFF;flex-shrink:0;margin-top:5px}
.f-qr-list{display:flex;gap:14px;align-items:flex-start}
.f-qr-list figure{margin:0;text-align:center;min-width:0}
.f-qr-list figure span{display:block;width:106px;height:106px;padding:6px;background:#fff;border:1px solid rgba(255,255,255,.42);border-radius:8px;box-shadow:0 8px 24px rgba(8,31,76,.18)}
.f-qr-list img{display:block;width:100%;height:100%;object-fit:contain;border-radius:3px}
.f-qr-list figcaption{margin-top:9px;color:rgba(255,255,255,.82);font-size:12.5px;line-height:1.4;white-space:nowrap}
.f-bot{border-top:1px solid rgba(255,255,255,.2);padding:22px 0;font-size:12.5px;color:rgba(255,255,255,.68);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:1100px){.footer .f-top{grid-template-columns:1fr 1fr}.f-qr{grid-column:1/-1}}
@media(max-width:560px){.footer .f-top{grid-template-columns:1fr}.f-qr{grid-column:auto}.f-qr-list figure span{width:112px;height:112px}}

/* 子页 hero */
.page-hero{background:var(--blue);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.page-hero::before{display:none}
.page-hero .crumb{font-size:13px;color:rgba(255,255,255,.74);margin-bottom:14px;position:relative}
.page-hero .crumb a:hover{color:#CCECFF}
.page-hero h1{font-size:44px;font-weight:800;position:relative}
.page-hero p{position:relative;margin-top:12px;color:rgba(255,255,255,.84);max-width:640px;font-size:15.5px}
@media(max-width:640px){.page-hero h1{font-size:30px}}

/* 产品详情 */
.pd-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}
.pd-gallery .gd-main{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.gd-main img{width:100%;height:100%;object-fit:contain}
.gd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:14px}
.gd-thumbs button{border:2px solid var(--line);background:#fff;border-radius:12px;overflow:hidden;cursor:pointer;aspect-ratio:1/1;padding:0;transition:border-color .25s,transform .25s}
.gd-thumbs button.on,.gd-thumbs button:hover{border-color:var(--blue);transform:translateY(-2px)}
.gd-thumbs img{width:100%;height:100%;object-fit:contain}
.pd-info .pi-tag{display:inline-block;background:var(--soft2);color:var(--blue);font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;letter-spacing:1px}
.pd-info .pd-title{font-size:36px;font-weight:800;line-height:1.35;margin:16px 0 12px}
.pd-info .pi-sub{color:var(--sub);font-size:15.5px;margin-bottom:26px}
.pi-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.pi-box{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:24px 26px;margin-bottom:18px}
.pi-box b{display:flex;align-items:center;gap:9px;font-size:16px;margin-bottom:12px}
.pi-box b svg{width:18px;height:18px;color:var(--blue)}
.pi-box p,.pi-box li{font-size:14px;color:var(--sub)}
.pi-box ul{list-style:none}
.pi-box li{padding:4px 0 4px 18px;position:relative}
.pi-box li::before{content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;border-radius:2px;background:var(--blue)}
@media(max-width:1000px){.pd-layout{grid-template-columns:1fr}}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.spec-table th,.spec-table td{padding:15px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--soft2)}
.spec-table th{background:var(--soft);color:var(--ink);width:220px;font-weight:700}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-note{font-size:12.5px;color:var(--sub);margin-top:12px}

/* 新闻列表 */
.news-list{display:flex;flex-direction:column;gap:22px}
.nl-item{display:grid;grid-template-columns:300px 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.nl-item:hover{box-shadow:var(--sh)}
.nl-item .nl-img{overflow:hidden;min-height:190px}
.nl-item .nl-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.nl-item:hover .nl-img img{transform:scale(1.05)}
.nl-item .nl-bd{padding:26px 26px 26px 0}
.nl-bd .nd{font-size:12.5px;color:var(--blue);font-weight:700;letter-spacing:1px}
.nl-bd b{display:block;font-size:19px;margin:8px 0}
.nl-bd p{font-size:14px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:760px){.nl-item{grid-template-columns:1fr}.nl-item .nl-bd{padding:0 24px 24px}}
.article{max-width:860px;margin:0 auto}
.article h1{font-size:34px;font-weight:800;line-height:1.4;margin-bottom:14px}
.article .a-meta{color:var(--sub);font-size:13.5px;margin-bottom:34px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article .a-body p{font-size:15.5px;color:#33415C;margin-bottom:18px;text-indent:2em}
.article .a-body h3{font-size:20px;margin:32px 0 14px;font-weight:800}
.article .a-body img{border-radius:16px;margin:24px 0}

/* 荣誉 / 关于 / 案例 / 联系 */
.patent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.patent-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.patent-card:hover{box-shadow:var(--sh)}
.patent-card .pc-im{aspect-ratio:3/4;overflow:hidden;background:var(--soft)}
.patent-card img{width:100%;height:100%;object-fit:cover}
.patent-card b{display:block;padding:16px 20px;font-size:14.5px;text-align:center}
@media(max-width:860px){.patent-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.patent-grid{grid-template-columns:1fr}}
.factory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.factory-grid .fg{aspect-ratio:4/3;border-radius:16px;overflow:hidden}
.factory-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.factory-grid .fg:hover img{transform:scale(1.07)}
@media(max-width:900px){.factory-grid{grid-template-columns:repeat(2,1fr)}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.cinfo .ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.cinfo .ci svg{width:22px;height:22px;color:var(--blue);flex-shrink:0;margin-top:4px}
.cinfo .ci b{display:block;font-size:15.5px}
.cinfo .ci span{font-size:14px;color:var(--sub)}
.cform{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:40px}
.cform h3{font-size:22px;margin-bottom:22px}
.cform input,.cform textarea,.cform select{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14.5px;font-family:inherit;margin-bottom:14px;background:#fff;outline:none;transition:border-color .2s}
.cform input:focus,.cform textarea:focus{border-color:var(--blue)}
.cform textarea{min-height:120px;resize:vertical}
.cform button{width:100%;border:0;cursor:pointer;justify-content:center}
.form-ok{display:none;background:#E8F7EE;border:1px solid #B9E5C8;color:#1D7A3E;border-radius:12px;padding:14px;text-align:center;font-size:14px;margin-top:8px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.back-home{display:inline-flex;align-items:center;gap:8px;color:var(--sub);font-size:14px;margin-bottom:20px}
.back-home:hover{color:var(--blue)}
.back-home svg{width:15px;height:15px}

.wrap{padding:0 56px}
@media(max-width:1120px){.wrap{padding:0 28px}}
@media(max-width:640px){.wrap{padding:0 20px}}

/* 优势手风琴：悬浮展开 */
.adv-acc{display:flex;gap:14px;height:540px}
.adv-panel{flex:1;position:relative;border-radius:18px;overflow:hidden;cursor:pointer;transition:flex .55s cubic-bezier(.25,.8,.3,1);min-width:0;box-shadow:0 14px 34px -18px rgba(11,30,63,.35)}
.adv-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.adv-panel.on{flex:3.6}
.adv-panel.on img{transform:scale(1.05)}
.ap-ol{position:absolute;inset:0;background:rgba(6,58,95,.58)}
.ap-txt{position:absolute;left:26px;right:26px;bottom:28px;color:#fff}
.ap-txt b{font-size:21px;font-weight:800;display:block;letter-spacing:1px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.ap-txt p{font-size:13.5px;color:rgba(255,255,255,.88);margin-top:12px;opacity:0;transform:translateY(14px);transition:opacity .45s .12s,transform .45s .12s;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.adv-panel.on .ap-txt p{opacity:1;transform:none}
@media(max-width:900px){
  .adv-acc{flex-direction:column;height:auto}
  .adv-panel{flex:none;height:110px;transition:height .5s cubic-bezier(.25,.8,.3,1)}
  .adv-panel.on{height:320px}
}

/* 折叠态标题竖排 */
.adv-panel:not(.on) .ap-txt{left:0;right:0;bottom:22px;display:flex;justify-content:center}
.adv-panel:not(.on) .ap-txt b{writing-mode:vertical-rl;font-size:19px;letter-spacing:7px}
@media(max-width:900px){.adv-panel:not(.on) .ap-txt b{writing-mode:horizontal-tb;letter-spacing:1px}}

/* 应用行业 · 悬浮切换 */
.ind-split{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:stretch}
.is-visual{position:relative;border-radius:22px;overflow:hidden;min-height:560px;box-shadow:var(--sh)}
.is-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s;transform:scale(1.03)}
.is-visual img.on{opacity:1;transform:scale(1)}
.is-side{display:flex;flex-direction:column;gap:18px}
.is-descbox{position:relative;min-height:96px}
.is-desc{position:absolute;inset:0;font-size:15px;color:var(--sub);background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:20px 24px;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s;margin:0;line-height:1.75}
.is-desc.on{opacity:1;transform:none;position:relative}
.is-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.is-item{padding:15px 18px;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer;transition:all .28s;display:flex;flex-direction:column;gap:2px}
.is-item b{font-size:15px;font-weight:700;transition:color .28s}
.is-item span{font-size:11.5px;color:var(--sub);transition:color .28s}
.is-item:hover{border-color:var(--blue);transform:translateX(4px)}
.is-item.on{background:var(--blue);border-color:var(--blue);box-shadow:0 10px 24px -10px rgba(0,131,223,.5)}
.is-item.on b{color:#fff}
.is-item.on span{color:rgba(255,255,255,.75)}
@media(max-width:1000px){.ind-split{grid-template-columns:1fr;gap:30px}.is-visual{min-height:0;aspect-ratio:4/3}}
@media(max-width:520px){.is-list{grid-template-columns:1fr}}

/* 视频列表 + 官方账号二维码 */
.vid-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.vid-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;overflow:hidden;transition:transform .35s,box-shadow .35s}
.vid-card:hover{box-shadow:0 22px 44px -18px rgba(0,0,0,.5)}
.vc-box{aspect-ratio:9/16;background:#000;overflow:hidden}
.vc-box video{width:100%;height:100%;object-fit:cover;display:block}
.vid-card b{display:block;color:#fff;font-size:15.5px;font-weight:600;padding:15px 20px;letter-spacing:.3px}
.qr-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:52px}
.qr-card{background:#fff;border-radius:18px;padding:18px 18px 22px;text-align:center;transition:transform .35s,box-shadow .35s}
.qr-card:hover{box-shadow:0 20px 40px -16px rgba(0,0,0,.45)}
.qr-card img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top;border-radius:10px;display:block}
.qr-card b{display:block;color:var(--deep);font-size:16px;margin-top:14px}
.qr-card span{display:block;color:#7A8699;font-size:12px;margin-top:4px}
/* 浅色区块内的视频卡（子页面第一节） */
.sec:not(.sec-deep) .vid-card{background:#fff;border:1px solid var(--line);box-shadow:var(--sh)}
.sec:not(.sec-deep) .vid-card b{color:var(--deep)}
.sec:not(.sec-deep) .qr-card{border:1px solid var(--line)}
@media(max-width:1100px){.vid-grid{grid-template-columns:repeat(3,1fr)}.qr-row{grid-template-columns:repeat(2,1fr);margin-top:40px}}
@media(max-width:560px){.vid-grid{grid-template-columns:1fr 1fr;gap:14px}.qr-row{gap:14px}.vid-card b{font-size:13px;padding:12px 14px}}

/* 战略合作伙伴 logo 墙 */
.pl-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.pl-card{background:#fff;border:1px solid var(--line);border-radius:18px;height:150px;display:flex;align-items:center;justify-content:center;padding:22px 26px;transition:transform .35s,box-shadow .35s,border-color .35s}
.pl-card:hover{box-shadow:var(--sh);border-color:rgba(0,131,223,.35)}
.pl-card img{max-width:100%;max-height:100%;object-fit:contain;display:block}
.pl-more{flex-direction:column;gap:8px;text-decoration:none;background:var(--soft)}
.pl-more b{color:var(--deep);font-size:17px;font-weight:700}
.pl-more span{color:var(--sub);font-size:12.5px}
.pl-more:hover b{color:var(--blue)}
@media(max-width:1100px){.pl-wall{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.pl-wall{grid-template-columns:repeat(2,1fr);gap:14px}.pl-card{height:120px;padding:16px}}

/* 动效无障碍：系统要求减少动态时，取消位移、循环和过渡。 */
/* FAQ：可被搜索引擎与生成式搜索直接理解的问答内容 */
.faq-section{background:#fff}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--soft);padding:0 22px;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{background:#fff;border-color:rgba(0,131,223,.35);box-shadow:0 14px 34px -26px rgba(6,58,95,.5)}
.faq-item summary{list-style:none;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--deep);padding:20px 32px 20px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:17px;color:var(--blue);font-size:24px;font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{color:var(--sub);font-size:14px;line-height:1.85;padding:0 0 20px}
@media(max-width:760px){.faq-grid{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .fade-in{opacity:1!important;transform:none!important}
  .scroll-progress{display:none}
}