/* ============ Yuanhe - Foreign Trade Website ============ */
:root{
  --navy:#0e2a47; --navy2:#123a63; --blue:#1a6fb5; --accent:#f5a623; --accent2:#e08e00;
  --bg:#ffffff; --tint:#f4f7fa; --text:#1d2731; --muted:#525d6b; --line:#e3e9ef;
  --radius:10px; --shadow:0 6px 24px rgba(14,42,71,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%}
a{color:var(--blue);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:860px}
.center{text-align:center;margin-top:28px}
.hide-sm{display:inline}
h1,h2,h3{line-height:1.25;color:var(--navy)}

/* Buttons */
.btn{display:inline-block;padding:11px 26px;border-radius:6px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--navy2);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent2);color:#fff}
.btn-wa{background:var(--accent);color:#fff!important}
.btn-wa:hover{background:var(--accent2);color:#fff!important}
.footer-col a.btn-wa{display:inline-block;padding:7px 18px 7px 12px;text-align:left}
.btn-wa .wa-word{margin-right:2px}
.btn-wa .wa-num{color:#fff!important;font-weight:600}
.btn-lg{padding:14px 34px;font-size:16px}
.btn-sm{padding:7px 16px;font-size:13px}

/* Topbar */
.topbar{background:var(--navy);color:#cfd9e4;font-size:13px}
.topbar-inner{display:flex;gap:26px;padding:8px 20px;flex-wrap:wrap}
.topbar-item{display:inline-flex;align-items:center;gap:6px}
a.topbar-item{color:#cfd9e4;text-decoration:none;transition:.2s}
a.topbar-item:hover{color:#fff}
.topbar-search{margin-left:auto;display:flex;align-items:center;gap:0}
.topbar-search input{width:230px;height:29px;padding:0 14px;border:1px solid rgba(255,255,255,.24);border-right:none;border-radius:999px 0 0 999px;background:rgba(255,255,255,.1);color:#fff;font:inherit;font-size:12.5px;outline:none;transition:.2s}
.topbar-search input::placeholder{color:#93a7bb}
.topbar-search input:focus{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45);width:260px}
.topbar-search button{height:29px;width:34px;border:none;border-radius:0 999px 999px 0;background:rgba(255,255,255,.14);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.topbar-search button svg{width:14px;height:14px;fill:#fff}
.topbar-search button:hover{background:var(--accent)}
@media (max-width:768px){
  .topbar-search{margin-left:0;width:100%;order:9}
  .topbar-search input{flex:1;width:auto}
  .topbar-search input:focus{width:auto}
}

/* Navbar */
.navbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:62px}
.logo{display:flex;align-items:center;gap:9px;color:var(--navy)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;font-weight:800;border-radius:7px;font-size:15px;letter-spacing:1px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-img{height:40px;width:auto;max-width:200px;object-fit:contain;display:block}
.logo-name{font-size:18px;font-weight:800;letter-spacing:1.5px;color:var(--navy);white-space:nowrap;line-height:1.05;width:max-content}
.logo-text2{display:flex;flex-direction:column;min-width:0;width:max-content;margin-left:14px}
.logo-en{display:block;font-size:11.5px;font-weight:800;letter-spacing:2px;color:var(--blue);text-transform:uppercase;white-space:nowrap;overflow:hidden;line-height:1.15;margin-top:0;width:100%}
.logo-en::before{content:'';display:block;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--blue) 0%,var(--blue) 55%,var(--accent2) 100%);margin:1px 0 2px;transform-origin:left;transition:transform .35s ease}
.logo:hover .logo-en::before{transform:scaleX(.72)}
.logo-text strong{font-size:19px;letter-spacing:2px;color:var(--navy)}
.logo-text strong em{font-style:normal;font-weight:600;font-size:15px;letter-spacing:1px;color:var(--blue);margin-left:2px}
.logo-text small{font-size:11px;color:var(--muted);max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:14px}
.main-nav>a,.nav-drop>a{padding:19px 10px;color:var(--text);font-weight:600;font-size:16.5px;display:inline-block;letter-spacing:.2px;position:relative;transition:color .2s}
.main-nav>a::after{content:'';position:absolute;left:10px;right:10px;bottom:13px;height:2px;background:var(--blue);border-radius:2px;transform:scaleX(0);transition:transform .2s}
.main-nav>a:hover::after,.main-nav>a.active::after{transform:scaleX(1)}
.main-nav a{white-space:nowrap}
.main-nav>a:hover,.main-nav>a.active,.nav-drop>a:hover,.nav-drop.active>a{color:var(--blue)}
.nav-drop>a::after{content:none}
.nav-cta{margin-left:10px;padding:11px 22px!important;color:#fff!important}
.nav-contact{margin-left:10px;color:var(--navy)!important;font-weight:600!important;font-size:16px!important;letter-spacing:0;border-bottom:2px solid var(--blue);padding:19px 4px 17px!important}
.nav-contact:hover,.nav-contact.active{color:var(--blue)!important}
.nav-quote{margin-left:12px;background:var(--accent);color:#fff!important;font-weight:700;font-size:11.5px;letter-spacing:.5px;padding:5px 11px!important;white-space:nowrap;border-radius:4px;box-shadow:0 2px 6px rgba(245,166,35,.35);transition:background .2s,box-shadow .2s,transform .2s}
.nav-quote:hover{background:var(--accent2);color:#fff!important;box-shadow:0 3px 9px rgba(224,142,0,.4);transform:translateY(-1px)}
.nav-drop{position:relative}
.nav-drop i{font-style:normal;font-size:11px}
.drop-panel{position:absolute;top:100%;left:10px;min-width:280px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
.nav-drop:hover .drop-panel,.nav-drop:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{display:block;padding:9px 20px;color:var(--text);font-size:14px}
.drop-panel a.sub{padding:6px 20px 6px 36px;font-size:13px;color:var(--muted)}
.drop-panel a.sub:hover{color:var(--blue)}
.drop-panel a:hover{background:var(--tint);color:var(--blue)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px}

/* Hero slider */
.hero-slider{position:relative;height:600px;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .8s;display:flex;align-items:center}
.slide.current{opacity:1}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,30,52,.62) 0%,rgba(10,30,52,.30) 55%,rgba(10,30,52,.05) 100%)}
.slide-inner{position:relative;z-index:2;color:#fff;max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
/* 文字蒙版卡片：半透明深色 + 毛玻璃，凸显文字又不完全遮挡背景图 */
.slide-card{display:flex;flex-direction:column;justify-content:center;overflow:hidden;width:fit-content;max-width:760px;background:rgba(13,35,60,.48);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);border:1px solid rgba(255,255,255,.18);border-radius:9px;padding:14px 18px;margin-bottom:20px;box-sizing:border-box;box-shadow:0 10px 34px rgba(10,30,52,.22)}
.slide-card h1{margin-bottom:5px;font-size:var(--bts,20px);max-width:100%;white-space:nowrap}
.slide-card p{margin-bottom:0;font-size:var(--bps,14px);width:0;min-width:100%}
.slide-inner h1{color:#fff;max-width:640px;text-shadow:0 2px 18px rgba(10,30,52,.55)}
.slide-inner p{max-width:560px;font-size:17px;color:#e6edf5;margin-bottom:24px;text-shadow:0 1px 10px rgba(10,30,52,.65)}
.slider-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.slider-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer}
.slider-dots button.on{background:var(--accent);border-color:var(--accent)}

/* Sections */
.section{padding:70px 0}
.section-tint{background:var(--tint)}
/* About 页：正文/图集/统计 间距收紧 */
.about-intro{padding-bottom:16px}
.about-tint{padding-top:14px;padding-bottom:44px}
.about-tint .gal-grid{margin-top:30px;margin-bottom:0}
.section-tint.about-tint .gal-grid{margin-top:30px}
/* 正文浮动图片：文字环绕 */
.rich::after{content:"";display:block;clear:both}
.section-dark{background:var(--navy)}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#b9c6d4}
.section-head{text-align:center;max-width:760px;margin:0 auto 44px}
.section-head h2{font-size:32px;margin-bottom:12px;position:relative;padding-bottom:16px}
.section-head h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:3px;background:var(--accent);border-radius:2px}
.section-head.light h2{color:#fff}
.section-head p{color:var(--muted)}
.section-dark .section-head p{color:#b9c6d4}

/* Series quick nav (home) - aligned with the 4-column product grid */
.series-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:-10px 0 38px}
.series-chip{display:flex;align-items:center;justify-content:flex-start;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:24px;background:#fff;font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;min-width:0;overflow:hidden;text-overflow:ellipsis;transition:.2s;box-shadow:0 1px 4px rgba(14,42,71,.05)}
.series-chip .chip-icon{color:var(--accent2);font-size:11px;line-height:1;flex:none}
.series-chip b{flex:none;min-width:20px;text-align:center;background:var(--tint);color:var(--blue);border-radius:14px;font-size:11px;padding:1px 6px}
.series-chip:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow)}
.series-chip:hover b{background:var(--blue);color:#fff}
@media (max-width:768px){
  .series-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Cards */
.card-grid{display:grid;gap:24px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card-img{height:190px;background:var(--tint) center/cover no-repeat;display:block}
.product-card .card-img{aspect-ratio:1/1;height:auto;overflow:hidden;background-color:#fff}
.product-card .card-img img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .45s ease}
.product-card:hover .card-img img{transform:scale(1.08)}
.card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:17px;margin-bottom:8px}
.card-body p{font-size:14px;color:var(--muted);flex:1}
.more{color:var(--accent2);font-weight:600;font-size:14px;margin-top:14px}
.model{display:inline-block;background:#eef4fa;color:var(--blue);font-size:12px;font-weight:600;padding:2px 10px;border-radius:20px;margin-bottom:8px;align-self:flex-start}
.model.big{font-size:14px;margin-bottom:12px}

/* About + stats */
.about-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:48px}
.about-text{display:flex;flex-direction:column;align-items:flex-start}
.about-text .btn{margin-top:auto}
.about-right{display:flex;flex-direction:column;gap:18px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.about-right .stats-grid{flex:1;grid-auto-rows:1fr}
.cert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cert-slot{background:#fff;border:1px dashed #c8d5e2;border-radius:10px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:10px;transition:.2s}
.cert-slot img{max-width:100%;max-height:100%;object-fit:contain}
.cert-slot:hover{border-color:var(--blue);border-style:solid;box-shadow:var(--shadow);transform:translateY(-2px)}
.cert-empty{color:#b6c2cf;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase}
.about-text h2{font-size:30px;margin-bottom:16px}
.about-text p{color:var(--muted);margin-bottom:22px}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.stat-box strong{font-size:34px;color:var(--blue);font-weight:800;display:block;line-height:1.15}
.stat-box strong em{font-style:normal;font-size:16px;color:var(--accent2);margin-left:3px}
.stat-box span{font-size:13px;color:var(--muted)}

/* App cards */
.app-card{text-align:center;padding:30px 24px}
.app-icon{width:58px;height:58px;margin:0 auto 16px;border-radius:50%;background:#eef4fa;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--blue)}
.app-card h3{font-size:16px;margin-bottom:10px}
.app-card p{font-size:13.5px}

/* Capability cards (dark) */
.cap-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px 24px}
.cap-num{font-size:30px;font-weight:800;color:var(--accent);opacity:.85;margin-bottom:10px}
.cap-card h3{font-size:16px;margin-bottom:10px}
.cap-card p{font-size:13.5px}

/* Why cards */
.why-card{padding:28px 24px}
.why-card h3{color:var(--blue);margin-bottom:10px}
.why-card p{font-size:14px;color:var(--muted)}

/* About factory gallery: 3 independent auto-rotating albums */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:44px}
/* 相册条与上方留白对齐：区块顶距70px - 22px = 48px，与下方 margin-bottom 44px 近似 */
.section-tint .gal-grid{margin-top:-22px}
.gal-col{padding:0;background:none}
.gal-head{display:flex;align-items:center;gap:10px;margin:0 2px 8px;color:var(--navy);font-size:12.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.gal-head > span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gal-dots{display:flex;gap:5px;position:absolute;bottom:12px;right:14px;z-index:2}
.gal-dot{width:7px;height:7px;border-radius:4px;border:0;padding:0;background:rgba(255,255,255,.55);box-shadow:0 1px 4px rgba(0,0,0,.35);cursor:pointer;transition:.25s}
.gal-dot.on{background:var(--accent2);width:18px}
.gal-stage{position:relative;aspect-ratio:3/2;border-radius:10px;overflow:hidden;background:#e8edf2}
.gal-item{position:absolute;inset:0;margin:0;opacity:0;transform:scale(1.04);transition:opacity .75s ease,transform 1.1s ease;pointer-events:none}
.gal-item.on{opacity:1;transform:scale(1);pointer-events:auto}
.gal-item img{width:100%;height:100%;object-fit:cover;display:block}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:32px 12px 9px;background:linear-gradient(transparent,rgba(10,30,52,.9));color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* 相册灯箱：点击图片放大 */
.gal-item.on{cursor:zoom-in}
.gal-lightbox{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgba(8,20,35,.9);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.gal-lightbox.on{opacity:1;visibility:visible}
.gal-lightbox figure{margin:0;max-width:92vw;display:flex;flex-direction:column}
.gal-lightbox img{max-width:92vw;max-height:80vh;object-fit:contain;border-radius:8px;box-shadow:0 18px 60px rgba(0,0,0,.5)}
.gal-lightbox figcaption{color:#fff;text-align:center;padding:10px 4px 0;font-size:14px}
.gl-btn{position:absolute;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;font-size:17px;cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center;padding:0}
.gl-btn:hover{background:var(--accent)}
.gl-close{top:18px;right:22px}
.gl-prev{left:18px;top:50%;transform:translateY(-50%)}
.gl-next{right:18px;top:50%;transform:translateY(-50%)}
@media (max-width: 900px){.gal-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 560px){.gal-grid{grid-template-columns:1fr}}
.g-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.88);color:var(--navy);font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;z-index:2}
.g-btn:hover{background:#fff;transform:translateY(-50%) scale(1.08)}
.g-prev{left:16px}
.g-next{right:16px}
.g-dots{position:absolute;bottom:14px;right:20px;display:flex;gap:7px;z-index:2}
.g-dot{width:9px;height:9px;border-radius:5px;border:0;background:rgba(255,255,255,.55);cursor:pointer;padding:0;transition:.25s}
.g-dot.active{background:var(--accent2);width:24px}

/* Article inquire + share bar (compact) */
.article-share{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:10px 16px;border:1px solid var(--line);border-radius:10px;background:var(--tint);margin:-8px 0 24px}
.detail-info .article-share{margin-top:20px;min-height:52px;box-sizing:border-box}
.detail-info > .btn-accent{height:52px;display:inline-flex;align-items:center;box-sizing:border-box}
/* 首页 1:1 卡片图（分类/推荐产品） */
.card-img.img-square{aspect-ratio:1/1;height:auto;background-size:contain;background-position:center;background-color:#fff}
/* 首页视频版块 */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.video-box{position:relative;aspect-ratio:16/9;background:#eaf3fe;border-radius:12px;overflow:hidden}
.video-box iframe,.video-box video{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.video-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#7a8699;font-size:14px;text-align:center;padding:20px}
.video-ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:768px){.video-grid{grid-template-columns:1fr}.video-box{aspect-ratio:4/3}}
.article-share .inquire-btn{display:inline-flex;align-items:center;gap:7px;margin-right:4px}
.article-share .inquire-btn svg{width:14px;height:14px;fill:currentColor}
.article-share .share-label{font-size:11.5px;font-weight:700;color:var(--muted);margin-right:0}
.share-btn{width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;border:0;padding:0;cursor:pointer;transition:.2s;box-shadow:0 2px 7px rgba(14,42,71,.16)}
.share-btn svg{width:11px;height:11px;fill:currentColor}
.share-btn:hover{transform:translateY(-2px) scale(1.07)}
.share-copy{background:var(--blue)}
.share-copy.copied{background:#1a9c5b}
.share-meta{margin-left:auto;font-size:12.5px;color:var(--muted);white-space:nowrap}
@media (max-width:640px){.share-meta{margin-left:0;width:100%}}
/* News */
.news-card{position:relative;padding:26px 22px}
.news-date{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;line-height:1.5;color:var(--muted);white-space:nowrap}
.news-date span{display:inline;font-size:12.5px;font-weight:700;color:var(--muted)}
.news-date small{display:inline;font-size:12.5px;font-weight:400;color:var(--muted);text-transform:none}
.news-card .news-date{margin-bottom:8px}
.news-card h3{font-size:16.5px;margin-bottom:8px;padding-right:0}
.news-card p{font-size:13.5px}
/* About factory image: 3:2, rounded */
.about-factory-img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;display:block;margin-bottom:20px;box-shadow:0 6px 18px rgba(14,42,71,.08)}

/* Article detail header (breadcrumb + title + summary + author) */
.art-top{padding-top:28px;padding-bottom:36px}
.art-crumbs{font-size:13.5px;margin-bottom:22px;display:flex;align-items:center;justify-content:space-between;gap:10px 18px;flex-wrap:wrap}
.art-path{display:inline-flex;align-items:center;gap:7px;flex-wrap:wrap}
.art-crumbs a{color:var(--blue);font-weight:700}
.art-crumbs a:hover{text-decoration:underline}
.art-crumbs span{color:var(--muted)}
.art-crumbs .art-loc{display:inline-flex;align-items:center;gap:6px;padding:4px 12px 4px 9px;border:1px solid #dbe4ef;border-radius:999px;background:#f4f9ff;color:#2c4a6e;font-size:12.5px;font-weight:600;line-height:1.5;white-space:nowrap}
.art-loc svg{width:14px;height:14px;fill:#1a6fb5;flex:0 0 auto;display:block}
.art-head{margin-bottom:20px}
.art-title{font-size:34px;line-height:1.25;margin-bottom:0;letter-spacing:-.3px;flex:1 1 480px}
.art-summary{border:1px solid #dbe4ef;border-radius:10px;background:#fbfdff;padding:16px 20px;font-size:14.5px;line-height:1.8;color:#2c4a6e;margin-bottom:14px}
/* 文章封面：左浮动 1/2 宽、3:2，正文从右侧起排并顺势下延 */
.art-cover{float:left;width:50%;max-width:560px;aspect-ratio:3/2;border-radius:12px;overflow:hidden;background:var(--tint);margin:4px 26px 18px 0;border:1px solid var(--line)}
.art-cover img{width:100%;height:100%;object-fit:cover;display:block;border-radius:12px}
.art-cover + .rich::after{content:"";display:block;clear:both}
@media (max-width:768px){.art-cover{float:none;width:100%;margin:0 0 18px}}
@media (max-width:768px){.art-title{font-size:25px}}

/* News cover image: 3:2, rounded */
.news-card .news-cover{width:100%;aspect-ratio:3/2;border-radius:12px;overflow:hidden;background:var(--tint);margin-bottom:14px}
.news-card .news-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-card .news-cover ~ h3{padding-right:0}
/* News list thumbnail */
.news-item .news-thumb{flex:0 0 210px;aspect-ratio:3/2;border-radius:12px;overflow:hidden;background:var(--tint);align-self:center}
.news-item .news-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.news-item:hover .news-thumb img{transform:scale(1.05)}
@media (max-width:768px){.news-item .news-thumb{flex-basis:130px;border-radius:8px}}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .25s,box-shadow .25s,transform .25s;position:relative;overflow:hidden}
.news-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px;background:linear-gradient(180deg,var(--blue),var(--accent2));transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.news-item:hover::before{transform:scaleY(1)}
.news-item:hover{box-shadow:0 14px 36px rgba(14,42,71,.14);transform:translateY(-4px);border-color:rgba(21,112,239,.38)}
.news-item .news-date{background:none;border-radius:0;padding:0;margin-bottom:6px;align-self:flex-start}
.news-item h2{font-size:18px;margin-bottom:8px}
.news-tag{display:inline-block;vertical-align:3px;margin-right:10px;padding:2px 10px;border-radius:3px;background:var(--blue);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;line-height:1.5}
.news-tag-blog{background:var(--accent)}
.news-item p{font-size:14px;color:var(--muted)}
/* 09:37 文章列表动态效果 */
.news-item h2{transition:color .25s}
.news-item:hover h2{color:var(--blue)}
.news-tag{transition:transform .25s ease,box-shadow .25s ease}
.news-item:hover .news-tag{transform:translateY(-2px);box-shadow:0 4px 10px rgba(21,112,239,.28)}
.news-item .news-thumb{transition:box-shadow .3s ease,transform .3s ease}
.news-item:hover .news-thumb{box-shadow:0 10px 26px rgba(14,42,71,.2);transform:translateY(-2px)}
.news-item .more{display:inline-flex;align-items:center;gap:6px;transition:gap .25s ease,color .25s ease}
.news-item:hover .more{gap:12px;color:var(--accent)}
.news-item .news-date span,.news-item .news-date small{transition:color .25s}
.news-item:hover .news-date span,.news-item:hover .news-date small{color:var(--blue)}
@keyframes yhFadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.news-list .news-item{animation:yhFadeUp .55s ease backwards}
.news-list .news-item:nth-child(1){animation-delay:.04s}
.news-list .news-item:nth-child(2){animation-delay:.1s}
.news-list .news-item:nth-child(3){animation-delay:.16s}
.news-list .news-item:nth-child(4){animation-delay:.22s}
.news-list .news-item:nth-child(5){animation-delay:.28s}
.news-list .news-item:nth-child(6){animation-delay:.34s}
.news-list .news-item:nth-child(7){animation-delay:.4s}
.news-list .news-item:nth-child(8){animation-delay:.46s}
@media (prefers-reduced-motion:reduce){.news-list .news-item{animation:none}}

/* CTA strip */
.cta-strip{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-inner p{color:#cdd9e5}

/* Page head */
.page-head{background:var(--navy) center/cover no-repeat;padding:64px 0;color:#fff;position:relative}
.page-head::after{content:"";position:absolute;inset:0;background:rgba(10,30,52,.55)}
.page-head .container{position:relative;z-index:2}
.page-head h1{color:#fff;font-size:32px;margin-bottom:8px}
.crumbs{color:#c2cfdb;font-size:14px}
.crumbs a{color:#cfe0ef}

/* Product filter */
.filter-tabs{display:flex;flex-wrap:nowrap;gap:6px;margin-bottom:20px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:2px}
.filter-tabs::-webkit-scrollbar{display:none}
.filter-tabs a{padding:6px 11px;border:1px solid #bcc9d6;border-radius:var(--radius);font-size:13px;color:var(--navy);font-weight:600;white-space:nowrap;flex:none;transition:transform .2s,background .2s,color .2s,border-color .2s,box-shadow .2s}
.filter-tabs a:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(14,42,71,.10)}
.filter-tabs a.active,.filter-tabs a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.filter-tabs a.active{transform:none}
.filter-tabs a.sub{font-size:13px;padding:6px 14px;color:var(--muted);border-style:dashed}
.filter-tabs a.sub:hover,.filter-tabs a.sub.active{background:var(--blue);border-color:var(--blue);color:#fff;border-style:solid}
.cat-intro{color:var(--muted);margin-bottom:30px;font-size:15px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px}
.pagination a{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;color:var(--text)}
.pagination a.active,.pagination a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* Detail pages */
.detail-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.detail-img{height:380px;border-radius:var(--radius);background:var(--tint) center/cover no-repeat;border:1px solid var(--line)}
.detail-img-main{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--tint)}
.detail-img-main img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.pgal-strip{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px}
.pgal-thumb{flex:0 0 76px;width:76px;height:76px;padding:2px;border:2px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;transition:.15s;overflow:hidden}
.pgal-thumb img{width:100%;height:100%;object-fit:cover;border-radius:5px;display:block}
.pgal-thumb:hover{border-color:#9fc2e2}
.pgal-thumb.active{border-color:var(--accent)}
.detail-info h1{font-size:28px;margin-bottom:14px}
.detail-info .lead{color:var(--muted);margin-bottom:18px}
.check-list{list-style:none;margin-bottom:26px}
.check-list li{padding:6px 0 6px 28px;position:relative;color:var(--text);font-size:15px}
.check-list li::before{content:"✔";position:absolute;left:0;color:var(--accent2);font-weight:700}
.detail-desc{margin-top:52px}
.detail-desc h2{font-size:24px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--accent);display:inline-block}
.related-title{font-size:24px;margin:56px 0 24px}
.article-meta{color:var(--muted);font-size:14px;margin-bottom:20px}
.article-nav{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}
.rich{font-size:15.5px;color:var(--text);line-height:1.75}
.rich p{margin:0 0 18px}
.rich p:last-child{margin-bottom:0}
/* 小节标题：博客文章用 h2、产品/落地页用 h3，统一拉开与上下文的间距 */
.rich h2:not(.rich-title){margin:26px 0 26px;font-size:23px;line-height:1.35;letter-spacing:-.01em}
.rich h3{margin:22px 0 22px;font-size:19px;line-height:1.45}
.rich h4{margin:16px 0 16px;font-size:16.5px}
.rich p + h3{padding-top:0}
.rich strong{color:var(--navy)}
/* 正文内的版块大标题（与 section-head 同款：深蓝大标题 + 橙色短横线） */
.rich h2.rich-title{text-align:center;font-size:30px;font-weight:800;color:var(--navy);margin:0 0 30px;position:relative;padding-bottom:16px;line-height:1.25}
.rich h2.rich-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:3px;background:var(--accent);border-radius:2px}
.rich p.rich-sub{text-align:center;max-width:780px;margin:-16px auto 34px;font-size:15.5px;line-height:1.75;color:#5b6b7d}
.rich ul,.rich ol{margin:0 0 18px 24px}
.rich li{margin-bottom:8px;line-height:1.7}
.rich li:last-child{margin-bottom:0}
.rich li::marker{color:var(--blue)}
@media (max-width:768px){
  .rich{line-height:1.7}
  .rich h2:not(.rich-title){margin:34px 0 14px;font-size:21px}
  .rich h3{margin:28px 0 12px}
}

/* Applications page */
.app-list{display:flex;flex-direction:column;gap:40px}
.app-item{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.app-item.reverse .app-img{order:2}
.app-img{height:300px;background:var(--tint) center/cover no-repeat}
.app-text{padding:34px}
.app-text h2{font-size:24px;margin-bottom:14px}
.app-text p{color:var(--muted);margin-bottom:22px}

/* Contact */
.page-head-sub{max-width:720px;color:#cfdbe8;font-size:15.5px;margin-top:10px;position:relative;z-index:2}
.contact-sec{padding-top:56px}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;box-shadow:0 2px 10px rgba(14,42,71,.05);transition:.2s}
.contact-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(14,42,71,.1);border-color:#cfe0f0}
.contact-card .ci{width:44px;height:44px;border-radius:12px;background:#eef6ff;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.contact-card .ci svg{width:22px;height:22px;fill:var(--blue)}
.contact-card h3{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:7px;font-weight:700}
.contact-card p{font-size:15.5px;line-height:1.65;color:var(--navy);font-weight:600;word-break:break-word}
.contact-card p a{color:var(--navy)}
.contact-card p a:hover{color:var(--blue);text-decoration:underline}
.contact-factory-sec{background:var(--tint);padding-top:56px}
.factory-block{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:stretch}
.factory-info{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;flex-direction:column}
.factory-note{color:var(--muted);font-size:14.5px;line-height:1.85;margin-bottom:18px}
.factory-list{list-style:none;margin-bottom:22px}
.factory-list li{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.factory-list li:last-child{border-bottom:none}
.fl-k{flex:0 0 116px;color:var(--muted);font-weight:600}
.fl-v{color:var(--navy);font-weight:600;line-height:1.6}
.factory-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto}
.btn-outline{background:#fff;color:var(--blue);border:1px solid #c3d8ea}
.btn-outline:hover{background:#eef6ff;border-color:var(--blue);color:var(--blue)}
.map-box{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#dfe8f1;box-shadow:0 10px 26px rgba(14,42,71,.1);min-height:400px}
/* 谷歌地图加载失败时回退显示备用地图图片：图片平铺在底层，iframe 加载成功后淡入盖住 */
.map-box .map-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.map-box iframe{position:relative;z-index:2;width:100%;height:100%;min-height:400px;border:0;display:block;filter:saturate(1.05);opacity:1;transition:opacity .4s ease}
.map-box iframe.map-loading{opacity:0;pointer-events:none}
.map-box.map-fallback-on iframe{display:none}
.map-cap{position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.95);box-shadow:0 4px 14px rgba(14,42,71,.14);font-size:13.5px;font-weight:600;color:var(--navy)}
.map-cap svg{width:16px;height:16px;fill:var(--blue);flex:0 0 auto}
.contact-solution-sec{padding-top:56px}
.solution-block{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.contact-form-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.contact-form-box label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form-box input,.contact-form-box textarea{width:100%;margin-top:6px;padding:11px 14px;border:1px solid var(--line);border-radius:6px;font:inherit;color:var(--text)}
.contact-form-box input:focus,.contact-form-box textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,111,181,.12)}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.solution-aside{background:var(--navy);color:#cfdbe8;border-radius:14px;padding:28px 26px}
.solution-aside h3{color:#fff;font-size:19px;margin-bottom:18px}
.solution-list{list-style:none}
.solution-list li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.solution-list li:last-child{border-bottom:none}
.solution-list strong{display:block;color:#fff;font-size:14.5px;margin-bottom:4px}
.solution-list span{font-size:13.5px;line-height:1.7;color:#a9bbcd}
.solution-contact{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-direction:column;gap:5px;font-size:13.5px}
.solution-contact span{color:#8fa4b9;font-size:12.5px;text-transform:uppercase;letter-spacing:.8px}
.solution-contact a{color:#8cc3f0;font-weight:600}
.solution-contact a:hover{text-decoration:underline}
.alert{padding:14px 18px;border-radius:8px;margin-bottom:18px;font-size:14.5px}
.alert.ok{background:#e8f7ee;color:#1c7c46;border:1px solid #bfe8cf}
.alert.err{background:#fdecec;color:#c0392b;border:1px solid #f5c6c6}
.empty{text-align:center;color:var(--muted);padding:30px 0;grid-column:1/-1}

/* Footer */
.site-footer{background:var(--navy);color:#aebccb;padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent)}
.footer-col a{display:block;color:#aebccb;padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-col p{margin-bottom:8px}
.footer-about p{line-height:1.7}
.social{display:flex;gap:10px;margin-top:14px}
.social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:12px}
.social a:hover{background:var(--accent)}
.copyright{border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px 22px;text-align:center;padding:18px 20px;font-size:13px;color:#8fa1b3}
.footer-legal a{display:inline-flex;align-items:center;gap:5px;color:#aebdd0;text-decoration:none;white-space:nowrap}
.footer-legal a:hover{color:#fff;text-decoration:underline}
.footer-legal a.police svg{width:13px;height:13px;flex:0 0 auto}
.wa-float{position:fixed;right:22px;bottom:22px;width:52px;height:52px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 6px 18px rgba(37,211,102,.45);z-index:60}

/* Responsive */
@media (max-width:1024px){
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .slide-inner h1{font-size:calc(var(--bts,20px)*.95)}
  .detail-wrap{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .factory-block,.solution-block{grid-template-columns:1fr}
  .map-box{min-height:340px}
  .map-box iframe{min-height:340px}
  .app-item{grid-template-columns:1fr}
  .app-item.reverse .app-img{order:0}
}
@media (max-width:768px){
  .hide-sm{display:none}
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;padding:10px 20px 20px}
  .main-nav.open{display:flex}
  .main-nav>a,.nav-drop>a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .drop-panel{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 8px 14px;display:none}
  .nav-drop.open .drop-panel{display:block}
  .hero-slider{height:420px}
  .slide-card h1{font-size:calc(var(--bts,20px)*.95);white-space:normal}
  .slide-card p{font-size:calc(var(--bps,14px)*.95)}
  .slide-inner h1{font-size:27px}
  .section{padding:50px 0}
  .about-wrap{grid-template-columns:1fr}
  .cert-row{grid-template-columns:repeat(2,1fr)}
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .factory-list li{flex-direction:column;gap:3px}
  .fl-k{flex:none}
  .contact-form-box,.factory-info,.solution-aside{padding:22px 18px}
  .news-item{flex-direction:column}
  .cta-inner{flex-direction:column;text-align:center}
}

/* ---- REQUEST QUOTE 按钮（移动端导航适配） ---- */
@media (max-width:768px){
  .nav-quote{display:inline-block;margin:12px 4px 4px}
}

/* ---- 右侧客服悬浮条 ---- */
.svc-float{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:900;display:flex;flex-direction:column;gap:1px;background:#a9b0b8;padding:14px 0;border-radius:30px 0 0 30px;box-shadow:0 6px 18px rgba(15,35,60,.18)}
.svc-btn{position:relative;width:48px;height:48px;margin-left:6px;display:flex;align-items:center;justify-content:center;background:#fff;border:none;cursor:pointer;border-radius:50%;transition:transform .2s,background .2s}
.svc-btn svg{width:22px;height:22px;fill:var(--navy);transition:fill .2s}
.svc-btn:hover{background:var(--blue);transform:scale(1.05)}
.svc-btn:hover svg{fill:#fff}
.svc-btn.svc-accent{background:var(--blue)}
.svc-btn.svc-accent svg{fill:#fff}
.svc-btn.svc-accent:hover{background:var(--navy)}
.svc-tip{position:absolute;right:100%;top:50%;transform:translateY(-50%);margin-right:10px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;padding:9px 18px;border-radius:24px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .25s;box-shadow:0 4px 12px rgba(15,35,60,.22)}
.svc-tip::after{content:'';position:absolute;left:100%;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:var(--blue)}
.svc-btn:hover .svc-tip{opacity:1;visibility:visible;margin-right:14px}
.svc-top{opacity:0;visibility:hidden;transition:opacity .25s,background .2s,transform .2s}
.svc-top.show{opacity:1;visibility:visible}
@media (max-width:768px){
  .svc-float{top:auto;bottom:18px;transform:none;padding:10px 0}
  .svc-btn{width:42px;height:42px}
  .svc-tip{display:none}
}

/* ---- 右下角在线沟通组件 ---- */
.chat-widget{position:fixed;right:18px;bottom:18px;z-index:950;font-family:inherit}
.chat-bubble{position:relative;width:58px;height:58px;border:none;border-radius:50%;background:var(--blue);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(21,112,239,.4);transition:transform .2s,background .2s}
.chat-bubble:hover{transform:scale(1.06);background:var(--navy)}
.chat-bubble svg{width:26px;height:26px;fill:#fff;position:absolute;transition:opacity .2s,transform .2s}
.chat-bubble .ic-close{opacity:0;transform:rotate(-90deg)}
.chat-widget.open .chat-bubble .ic-open{opacity:0;transform:rotate(90deg)}
.chat-widget.open .chat-bubble .ic-close{opacity:1;transform:rotate(0)}
.chat-dot{position:absolute;top:3px;right:3px;width:13px;height:13px;border-radius:50%;background:#2ecc71;border:2px solid #fff;animation:chatPulse 2s infinite}
.chat-widget.open .chat-dot{display:none}
@keyframes chatPulse{0%{box-shadow:0 0 0 0 rgba(46,204,113,.6)}70%{box-shadow:0 0 0 8px rgba(46,204,113,0)}100%{box-shadow:0 0 0 0 rgba(46,204,113,0)}}
.chat-panel{position:absolute;right:0;bottom:70px;width:330px;max-width:calc(100vw - 30px);background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 14px 40px rgba(15,35,60,.28);opacity:0;visibility:hidden;transform:translateY(16px) scale(.97);transition:all .25s}
.chat-widget.open .chat-panel{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.chat-head{background:var(--blue);color:#fff;padding:22px 20px 18px;position:relative}
.chat-head h3{margin:0 0 8px;font-size:22px;font-weight:800}
.chat-head p{margin:0;font-size:14px;line-height:1.5;opacity:.95}
.chat-close{position:absolute;top:10px;right:12px;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1;opacity:.85}
.chat-close:hover{opacity:1}
.chat-body{padding:14px;display:flex;flex-direction:column;gap:10px}
.chat-card{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;text-decoration:none;transition:border-color .2s,box-shadow .2s}
a.chat-card:hover{border-color:var(--blue);box-shadow:0 4px 14px rgba(21,112,239,.14)}
.chat-card strong{display:block;font-size:15px;color:var(--navy);margin-bottom:3px}
.chat-card small{color:#7a8699;font-size:12.5px}
.chat-card > svg{width:22px;height:22px;fill:var(--blue);flex:none}
.chat-search{display:flex;align-items:center;gap:6px;margin-top:10px;border:1px solid #c9d2dd;border-radius:8px;padding:7px 10px;background:#fafbfc}
.chat-search:focus-within{border-color:var(--blue)}
.chat-search input{flex:1;border:none;outline:none;background:none;font-size:14px;min-width:0}
.chat-search button{border:none;background:none;cursor:pointer;padding:0;display:flex}
.chat-search svg{width:18px;height:18px;fill:#7a8699}
.chat-foot{background:#f4f6f9;color:#7a8699;font-size:12px;text-align:center;padding:8px}
@media (max-width:768px){
  .chat-widget{right:12px;bottom:74px}
  .chat-panel{bottom:64px}
}

/* ---- 文章作者行（分享栏下方独立固定位置） ---- */
.art-meta{margin:2px 0 18px;color:#7a8699;font-size:13px;letter-spacing:.2px;text-align:right}

/* ---- 分享栏居中（文章摘要上方） ---- */
.article-share.article-share-center{justify-content:center;flex-wrap:wrap}

/* ---- 首页 6 项加工工艺图片卡 ---- */
.page-head + .section{padding-top:56px}

/* ---- 首页应用展示：一行2卡大图网格 ---- */
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.app-grid .app-card{padding:0;overflow:hidden;text-align:left}
.app-grid .app-img{aspect-ratio:4/3;height:auto;border-radius:0;margin-bottom:0}
.app-grid .app-card h3{font-size:18px;margin:16px 20px 8px;text-align:center}
.app-grid .app-excerpt{margin:0 20px 18px;text-align:center}
.app-grid .app-card-link{display:flex;flex-direction:column;height:100%}
.app-grid .app-more{align-self:center;margin:0 20px 18px}
@media (max-width:768px){.app-grid{grid-template-columns:1fr;gap:18px}}
.app-slider{position:relative}
.app-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/4);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth;padding:4px 2px 12px}
.app-track::-webkit-scrollbar{display:none}
.app-track .app-card{scroll-snap-align:start;display:flex;flex-direction:column}
.app-img{position:relative;width:100%;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#eaf3fe;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.app-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
/* 行业方案列表页（industries）：与首页卡片一致按 4:3 比例显示，避免固定高度拉伸变形 */
.app-list .app-img{height:auto}
.app-card:hover .app-img img{transform:scale(1.05)}
.app-card-link{display:block;color:inherit;text-decoration:none}
.app-card-link:hover h3{color:var(--blue)}
.app-card-link h3{transition:color .2s}
.app-excerpt{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.app-more{display:inline-block;margin-top:8px;font-size:13px;font-weight:600;color:var(--blue)}
.app-more.hide{display:none}
.app-img .app-icon{font-size:30px;color:var(--blue);opacity:.85}
.app-nav{position:absolute;top:26%;width:42px;height:42px;border:none;border-radius:50%;background:#fff;color:var(--navy);font-size:26px;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(15,35,60,.18);z-index:5;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s,opacity .2s}
.app-nav:hover{background:var(--blue);color:#fff}
.app-nav.prev, .app-prev{left:-14px}
.app-nav.next, .app-next{right:-14px}
.app-nav.hide{display:none!important}
@media (max-width:992px){.app-track{grid-auto-columns:calc((100% - 32px)/3)}}
@media (max-width:768px){.app-track{grid-auto-columns:calc((100% - 16px)/2)}.app-prev{left:-6px}.app-next{right:-6px}}

/* ================= 手机端全面适配补充 ================= */

/* 富文本内容防溢出：图片/视频/iframe/表格自适应 */
.rich{overflow-wrap:break-word}
.rich img{max-width:100%;height:auto}
.rich video,.rich iframe{max-width:100%}
.rich table{max-width:100%;display:block;overflow-x:auto}

/* ================= 文章 / 富文本表格美化（调取外部网页表格时同样适用） ================= */
.rich table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;line-height:1.6;background:#fff}
.rich table th,.rich table td{border:1px solid #d7dfe8;padding:10px 14px;text-align:left;vertical-align:top;word-break:break-word;overflow-wrap:anywhere}
.rich table th{background:var(--tint,#eef4fa);color:var(--navy,#17324d);font-weight:700;white-space:normal}
.rich table tr:nth-child(even) td{background:#f8fafd}
.rich table td img{max-width:100%;height:auto}
/* 宽表格横向滚动（display:block 下宽度撑满） */
.rich table{min-width:100%}
.rich table td,.rich table th{min-width:90px}

/* 平板细节 */
@media (max-width:1024px){
  .detail-img{height:auto;aspect-ratio:3/2}
  .slide-inner p{font-size:15.5px}
  .about-text h2{font-size:26px}
}

/* 手机端 */
@media (max-width:768px){
  /* 顶栏：更紧凑 */
  .topbar{font-size:12px}
  .topbar-inner{gap:12px;padding:7px 14px}

  /* 导航 */
  .navbar-inner{min-height:62px}
  .logo-mark{width:40px;height:40px;font-size:15px}
  .logo-img{height:38px;max-width:150px}
  .logo-name{font-size:16px;letter-spacing:1px}
  .logo-en{font-size:11px;letter-spacing:2px;max-width:170px}
  .nav-quote{width:calc(100% - 8px);text-align:center;padding:12px!important;margin:14px 0 4px}
  .main-nav .nav-quote{display:block}

  /* 首屏 */
  .hero-slider{height:400px}
  .slide-inner h1{font-size:24px;margin-bottom:10px}
  .slide-inner p{font-size:14.5px;margin-bottom:18px}
  .btn-lg{padding:12px 26px;font-size:15px}
  .slider-dots{bottom:14px}

  /* 区块与标题 */
  .section{padding:42px 0}
  
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:23px}
  .section-head p{font-size:14px}
  .page-head{padding:44px 0}
  .page-head h1{font-size:24px}
  .cta-inner h2{font-size:20px}
  .cta-strip{padding:40px 0}

  /* 卡片 */
  .card-body{padding:16px}
  .app-card{padding:20px 14px}
  .cap-card{padding:22px 18px}
  .why-card{padding:22px 18px}
  .about-text h2{font-size:22px}
  .stat-box{padding:16px 12px}
  .stat-box strong{font-size:26px}
  .cert-row{gap:10px}

  /* 能力图标行更紧凑 */
  .cap-ico{width:52px;height:52px;border-radius:12px;margin-bottom:9px}
  .cap-ico svg{width:26px;height:26px}

  /* 应用滑动：2列，箭头内收 */
  .app-nav{width:36px;height:36px;font-size:22px;top:30%}
  .app-prev{left:-4px}
  .app-next{right:-4px}

  /* 文章内页 */
  .art-top{padding-top:20px}
  .art-crumbs{font-size:12.5px;margin-bottom:16px}
  .art-summary{padding:13px 15px;font-size:13.5px}
  .article-share{padding:10px 12px;margin-top:0}
  .art-meta{font-size:13px}
  .detail-info h1{font-size:22px}
  .related-title{font-size:20px;margin:36px 0 18px}
  .detail-desc{margin-top:34px}
  .detail-desc h2{font-size:20px}
  .article-nav{margin-top:28px}
  .article-nav .btn{flex:1;text-align:center}

  /* 新闻列表：缩略图恢复全宽 */
  .news-item .news-thumb{flex-basis:auto;width:100%}
  .news-item{padding:16px}
  .news-item h2{font-size:17px}

  /* 产品列表/详情 */
  .filter-tabs{gap:8px;margin-bottom:16px}
  .filter-tabs a{padding:7px 14px;font-size:13px}
  .pagination a{min-width:34px;padding:7px 10px}
  .pgal-thumb{flex:0 0 64px;width:64px;height:64px}

  /* 应用行业页 */
  .app-text{padding:22px 18px}
  .app-text h2{font-size:20px}

  /* Contact */
  .contact-cards{gap:14px}
  .contact-card{padding:18px 16px}
  .map-box,.map-box iframe{min-height:280px}
  .map-cap{font-size:12.5px;left:10px;right:10px}
  .contact-form-box input,.contact-form-box textarea{font-size:16px} /* 防 iOS 聚焦缩放 */

  /* 页脚 */
  .site-footer{padding-top:44px}
  .footer-grid{gap:26px;padding-bottom:28px}
  .copyright{font-size:12px}

  /* 悬浮组件避让：客服条移到左下，沟通气泡在右下 */
  .svc-float{left:0;right:auto;border-radius:0 26px 26px 0;padding:8px 0}
  .svc-btn{width:40px;height:40px;margin-left:4px}
  .chat-widget{right:12px;bottom:16px}
  .chat-bubble{width:52px;height:52px}
}

/* 小屏手机 */
@media (max-width:420px){
  .hero-slider{height:360px}
  .slide-inner h1{font-size:22px}
  .series-nav{grid-template-columns:1fr 1fr;gap:9px}
  .series-chip{font-size:12px;padding:7px 9px}
  .stats-grid{gap:12px}
  .contact-cards{grid-template-columns:1fr}
  .topbar-inner{justify-content:center}
}

/* ---- 移动端安全兜底 ---- */
h1,h2,h3,h4,p,li,a{overflow-wrap:break-word}
html,body{overflow-x:clip}

/* ---- 定制流程四步卡片：箭头流转 ---- */
.cap-flow{display:flex;align-items:stretch;gap:0}
.cap-flow .cap-card{flex:1;min-width:0}
.cap-arrow{flex:none;display:flex;align-items:center;justify-content:center;width:44px;position:relative;z-index:2}
.cap-arrow span{width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 0 rgba(21,112,239,.45);animation:capFlow 2.4s infinite}
.cap-arrow span svg{width:17px;height:17px;display:block}
.cap-arrow:nth-of-type(2) span{animation-delay:.4s}
.cap-arrow:nth-of-type(4) span{animation-delay:.8s}
.cap-arrow:nth-of-type(6) span{animation-delay:1.2s}
@keyframes capFlow{0%{box-shadow:0 0 0 0 rgba(21,112,239,.45)}70%{box-shadow:0 0 0 10px rgba(21,112,239,0)}100%{box-shadow:0 0 0 0 rgba(21,112,239,0)}}
@media (max-width:992px){
  .cap-flow{flex-direction:column}
  .cap-arrow{width:100%;height:44px}
  .cap-arrow span{transform:rotate(90deg)}
}

/* ---- 文章页底部相关文章（6列 3:2 图 + 摘要，超过6篇可滑动） ---- */
.rel-section{padding-top:0}
.rel-track{grid-auto-columns:calc((100% - 48px)/4)}
.rel-img{aspect-ratio:3/2}
.rel-card h3{font-size:15px;line-height:1.45;margin:0 0 8px}
.rel-card h3 a{color:var(--navy);text-decoration:none}
.rel-card h3 a:hover{color:var(--blue)}
.rel-card > p{font-size:13px;color:#7a8699;line-height:1.55;margin:0 0 10px}
.rel-date{font-size:12px;color:#a0aab8}
@media (max-width:992px){.rel-track{grid-auto-columns:calc((100% - 32px)/3)}}
@media (max-width:768px){.rel-track{grid-auto-columns:calc((100% - 16px)/2)}.rel-img{aspect-ratio:3/2}
.rel-card h3{font-size:14px}}

/* ---- 客服悬浮条：默认收起为单个图标，悬停展开 ---- */
.svc-float{padding:8px 0;transition:padding .25s}
.svc-float:hover{padding:12px 0}
.svc-float .svc-btn{width:44px;height:44px;margin-left:5px}
.svc-float .svc-btn svg{width:20px;height:20px}
.svc-float .svc-btn ~ .svc-btn{height:0;max-height:0;opacity:0;margin-left:5px;overflow:hidden;pointer-events:none;transition:height .25s ease,opacity .18s ease}
.svc-float:hover .svc-btn ~ .svc-btn{height:44px;max-height:44px;opacity:1;pointer-events:auto;overflow:visible}
@media (max-width:768px){
  .svc-float .svc-btn{width:38px;height:38px;margin-left:4px}
  .svc-float:hover .svc-btn ~ .svc-btn{height:38px;overflow:visible}
}

/* ---- 修复：滑轨卡片图片比例（覆盖 industries 页 height:300px） ---- */
.app-track .app-img{height:auto;aspect-ratio:4/3}
.app-track .rel-img{height:auto;aspect-ratio:3/2}

/* 增强分页：页码 + 省略号 + Total + Go to Page */
.pager-rich{flex-wrap:wrap;align-items:center}
.pager-rich .pg-arrow{font-weight:600}
.pager-rich .pg-dots{padding:8px 4px;color:var(--muted);font-size:14px}
.pager-rich .pg-total{margin-left:14px;font-size:14px;color:var(--text)}
.pager-rich .pg-go{display:inline-flex;align-items:center;gap:8px;margin-left:10px;font-size:14px;color:var(--text)}
.pager-rich .pg-go input{width:58px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:14px;color:var(--text);outline:none}
.pager-rich .pg-go input:focus{border-color:var(--blue)}
.pager-rich .pg-go button{padding:8px 14px;border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:6px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.pager-rich .pg-go button:hover{background:var(--blue);color:#fff}

/* ============ 悬浮客服栏：弹出信息条 ============ */
.svc-tip-title{display:block;font-size:12px;font-weight:700;opacity:.92;margin-bottom:2px;letter-spacing:.3px}
.svc-tip .svc-tip-title+.none{display:none}
.svc-btn.svc-mail{background:#d64545}
.svc-btn.svc-mail svg{fill:#fff}
.svc-btn.svc-mail:hover{background:#b93a3a}
.svc-tip.svc-tip-mail{background:#d64545}
.svc-tip.svc-tip-mail::after{border-left-color:#d64545}
.svc-tip.svc-tip-qr{background:#fff;color:var(--navy);padding:10px 12px;border-radius:12px;text-align:center;line-height:1.4}
.svc-tip.svc-tip-qr::after{border-left-color:#fff}
.svc-tip.svc-tip-qr img{display:block;width:128px;max-width:none;height:128px;aspect-ratio:1/1;object-fit:contain;margin:6px auto 4px;border-radius:6px;background:#fff}
.svc-tip.svc-tip-qr i{display:block;font-style:normal;font-size:12px;color:#5b6b7c}
.svc-tip.svc-tip-wa,.fs-tip-wa{white-space:nowrap}

/* ================= 首页打磨：统一节奏与微交互 ================= */
.card .more{transition:gap .2s,color .2s;display:inline-block}
.card:hover .more{color:var(--accent2)}
.product-card .more::after,.news-card .more::after{content:"";display:inline-block;width:0;transition:width .22s ease}
.product-card:hover .more::after,.news-card:hover .more::after{width:14px}
.stat-box{transition:transform .22s,box-shadow .22s,border-color .22s}
.stat-box:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 8px 20px rgba(21,112,239,.12)}
.why-card{transition:transform .22s,box-shadow .22s,border-color .22s;border-top:3px solid transparent}
.why-card:hover{transform:translateY(-4px);border-top-color:var(--accent);box-shadow:0 8px 20px rgba(14,42,71,.10)}
.cap-num{transition:color .2s}
.cap-card:hover .cap-num{color:var(--accent)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ================= 排版层级校准：统一三档字号（区块标题32 / 卡片标题18 / 正文14） ================= */
.about-text h2{font-size:32px;line-height:1.28;margin-bottom:18px}
.product-card h3,.app-card h3,.app-grid .app-card h3,.news-card h3,.why-card h3{font-size:18px;line-height:1.35}
.product-card h3{margin-bottom:9px}
.product-card p,.app-excerpt,.news-card p,.why-card p{font-size:14px;line-height:1.65;color:var(--muted)}
.product-card p{margin-bottom:4px}
.news-card p{color:var(--muted)}
.cap-card h3{font-size:16.5px;line-height:1.4;margin-bottom:10px}
.news-date,.news-date span,.news-date small{font-size:12px}
.section-head h2{line-height:1.3}
@media (max-width:768px){
  .about-text h2{font-size:24px}
  .product-card h3,.app-card h3,.app-grid .app-card h3,.news-card h3,.why-card h3{font-size:17px}
}
.app-card p.app-excerpt,.app-grid .app-excerpt{font-size:14px;line-height:1.65;color:var(--muted)}

/* ---- 首页产品系列筛选标签(点击切换不跳转) ---- */
.home-tabs{margin:-6px 0 28px;justify-content:safe center}
@supports not (justify-content:safe center){.home-tabs{justify-content:center}}
#homeSeriesGrid{transition:opacity .25s}
#homeSeriesGrid.is-loading{opacity:.35;pointer-events:none}
/* 标签入场动画: 依次淡入上移 */
.home-tabs a{opacity:0;transform:translateY(10px);animation:tabIn .45s ease forwards;animation-delay:calc(var(--i,0)*70ms)}
@keyframes tabIn{to{opacity:1;transform:none}}

/* ================= 23:17 banner文字右移一字母 ================= */

/* ================= 23:14 批量微调 ================= */
/* 工艺卡片: 名称改为覆盖在图片底部(渐变压边), 不再占卡片下方独立行 */
/* 产品详情主图: 任意上传尺寸完整居中显示(不裁切) */
.detail-img-main img{object-fit:contain;background:#fff}
/* 顶部导航: 字号+1号与动效 */
.main-nav>a,.nav-drop>a{font-size:17.5px;padding:19px 12px;transition:color .2s,transform .2s}
.main-nav>a:hover{transform:translateY(-1px)}
.main-nav>a::after{height:2.5px;transform-origin:center;transition:transform .25s ease}
/* Why Choose 卡片: 边框加深加粗 */
.why-card{border:1.5px solid #b3c2d2}
.why-card:hover{border-color:var(--blue)}

/* ================= 23:17 banner文字右移一字母 ================= */

/* ================= 23:53 banner 文字卡与按钮同宽对齐 ================= */
.slide-card{width:fit-content;max-width:760px}
.slide-card h1{max-width:none}
.slide-card p{max-width:none}.slide-inner .btn{display:flex;align-items:center;justify-content:center;width:173px;height:54px;padding:0 12px;text-align:center;box-sizing:border-box;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:768px){
  .slide-card{width:auto;max-width:520px}
  .slide-inner .btn{width:100%;max-width:520px;height:52px}
}

/* ================= 23:22 联系信息卡美化: 横排布局+渐变条+信息加大突出 ================= */
.contact-card{position:relative;overflow:hidden;display:flex;gap:16px;align-items:flex-start;padding:26px 24px 22px;border:1px solid #d4dfe9}
.contact-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--accent));opacity:0;transition:opacity .25s}
.contact-card:hover::before{opacity:1}
.contact-card .ci{flex:none;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#e8f2fe,#dcebfc);box-shadow:inset 0 0 0 1px rgba(21,112,239,.14);transition:.25s}
.contact-card .ci svg{width:26px;height:26px;transition:.25s}
.contact-card:hover .ci{background:linear-gradient(135deg,var(--blue),#0d5fc4)}
.contact-card:hover .ci svg{fill:#fff}
.cc-body{min-width:0}
.contact-card h3{font-size:11.5px;letter-spacing:1.2px;margin-bottom:6px}
.contact-card p{font-size:17px;line-height:1.55;font-weight:700;color:var(--navy)}
.cc-go{display:inline-block;margin-top:8px;font-size:12.5px;font-weight:700;color:var(--blue);letter-spacing:.04em;opacity:0;transform:translateX(-6px);transition:.22s}
.contact-card:hover .cc-go{opacity:1;transform:none}
.contact-card.cc-link{cursor:pointer}
@media (max-width:576px){
  .contact-card{padding:20px 16px 16px;gap:12px}
  .contact-card .ci{width:44px;height:44px;border-radius:12px}
  .contact-card .ci svg{width:22px;height:22px}
  .contact-card p{font-size:15.5px}
}

/* ================= 23:25 Why Choose 卡片动效 ================= */
.why-card{position:relative}
.why-card h3{transition:color .25s}
.why-card h3::after{content:"";display:block;width:0;height:2.5px;background:var(--accent);border-radius:2px;margin-top:7px;transition:width .3s ease}
.why-card:hover h3{color:var(--blue)}
.why-card:hover h3::after{width:34px}
/* 滚动入场: 三卡依次淡入上移 */
.why-grid .why-card{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease,border-color .22s,box-shadow .22s;transition-delay:calc(var(--i)*.13s)}
.why-grid.why-in .why-card{opacity:1;transform:none}
.why-grid.why-in .why-card:hover{transform:translateY(-4px);transition-delay:0s}
@media (prefers-reduced-motion:reduce){.why-grid .why-card{opacity:1;transform:none;transition:none}}

/* ================= 23:35 OEM流程卡动效 ================= */
.cap-flow .cap-card{opacity:0;transform:translateY(30px) scale(.96);transition:opacity .55s ease,transform .55s ease,border-color .2s,box-shadow .2s;transition-delay:calc(var(--i,0)*.15s)}
.cap-flow .cap-arrow{opacity:0;transform:scale(.4);transition:opacity .4s ease,transform .45s cubic-bezier(.34,1.56,.64,1);transition-delay:calc(var(--i,1)*.15s + .1s)}
.cap-flow.oem-in .cap-card{opacity:1;transform:none}
.cap-flow.oem-in .cap-arrow{opacity:1;transform:scale(1)}
.cap-flow.oem-in .cap-card:hover{transform:translateY(-5px);transition-delay:0s}
.cap-flow.oem-in .cap-arrow span{animation:arrowNudge 2.2s ease-in-out infinite;animation-delay:calc(var(--i,1)*.15s + .8s)}
@keyframes arrowNudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
.cap-flow.oem-in .cap-card:hover .cap-num{text-shadow:0 0 18px rgba(245,166,35,.55)}
@media (prefers-reduced-motion:reduce){.cap-flow .cap-card,.cap-flow .cap-arrow{opacity:1;transform:none;transition:none}.cap-flow .cap-arrow span{animation:none}}

/* ================= 顶部信息条字号 ================= */
.topbar{font-size:14px}
.topbar-inner{gap:30px;padding:9px 20px}
.topbar-search input{font-size:13.5px}

/* ================= 07:54 导航恢复旧版；仅修复 Quote/Contact 被下划线盖字 ================= */
.main-nav>a.nav-quote::after,.main-nav>a.nav-contact::after{content:none}
/* 10:52 中屏适配：769~1199px 下压缩导航尺寸，防止 Quote 被挤出视口导致点击无效 */
@media (min-width:769px) and (max-width:1199px){
  .navbar-inner{gap:12px}
  .main-nav{gap:5px;min-width:0}
  .main-nav>a,.nav-drop>a{font-size:14px;padding:16px 6px;letter-spacing:0}
  .nav-contact{font-size:14px!important;margin-left:4px;padding:16px 2px 14px!important}
  .nav-quote{margin-left:6px;font-size:11px;padding:5px 9px!important}
  .logo-name{font-size:16px;letter-spacing:1px}
  .logo-en{font-size:10.5px;letter-spacing:1.6px;max-width:150px}
  .logo-mark{width:36px;height:36px;font-size:13px}
  .topbar-inner{gap:14px}
  .topbar-search input{width:150px}
}

/* ================= 08:20 页脚网站地图小图标 ================= */
.footer-sitemap{display:inline-flex;align-items:center;gap:5px;color:inherit;opacity:.75;transition:opacity .2s,color .2s}
.footer-sitemap:hover{opacity:1;color:var(--blue)}
.footer-sitemap svg{width:14px;height:14px;fill:currentColor}

/* ================= 错误页（404 / 401） ================= */
.err-page{padding:70px 0 84px;background:radial-gradient(1100px 420px at 50% -60px,rgba(26,111,181,.10),transparent 70%)}
.err-inner{max-width:980px;text-align:center}
.err-code{font-size:132px;font-weight:800;line-height:1;letter-spacing:2px;background:linear-gradient(135deg,var(--blue) 10%,var(--accent2) 90%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none}
.err-title{font-size:28px;margin:12px 0 10px;color:var(--navy)}
.err-desc{max-width:620px;margin:0 auto 26px;color:#5b6b7c;font-size:15.5px;line-height:1.75}
.err-search{display:flex;max-width:470px;margin:0 auto 22px;border-radius:999px;box-shadow:0 10px 26px rgba(14,42,71,.10)}
.err-search input{flex:1;height:48px;border:1.5px solid #dfe6ee;border-right:none;border-radius:999px 0 0 999px;padding:0 20px;font:inherit;font-size:14.5px;outline:none;transition:border-color .2s;color:#22384d;background:#fff}
.err-search input:focus{border-color:var(--blue)}
.err-search button{width:58px;height:48px;border:none;border-radius:0 999px 999px 0;background:var(--blue);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.err-search button:hover{background:var(--accent2)}
.err-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.err-links{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;font-size:13.5px;color:#8b98a8;margin-bottom:46px}
.err-links > span{margin-right:2px}
.err-links a{padding:5px 14px;border-radius:999px;background:#f1f5f9;color:#33506b;text-decoration:none;font-weight:600;font-size:13px;transition:.2s}
.err-links a:hover{background:var(--navy);color:#fff}
.err-pop{margin-top:6px}
.err-pop h2{font-size:18px;margin-bottom:18px;color:var(--navy)}
@media (max-width:640px){
  .err-page{padding:46px 0 60px}
  .err-code{font-size:86px}
  .err-title{font-size:21px}
  .err-desc{font-size:14.5px;margin-bottom:20px}
  .err-links{margin-bottom:32px}
}

/* ================= 统计卡片动效（错峰入场 + 悬停） ================= */
.stats-grid .stat-box{position:relative;overflow:hidden;animation:yhFadeUp .55s ease backwards}
.stats-grid .stat-box::before{content:'';position:absolute;left:0;right:0;top:0;height:4px;border-radius:4px 4px 0 0;background:linear-gradient(90deg,var(--blue),var(--accent2));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.stats-grid .stat-box:nth-child(1){animation-delay:.05s}
.stats-grid .stat-box:nth-child(2){animation-delay:.11s}
.stats-grid .stat-box:nth-child(3){animation-delay:.17s}
.stats-grid .stat-box:nth-child(4){animation-delay:.23s}
.stats-grid .stat-box:nth-child(5){animation-delay:.29s}
.stats-grid .stat-box:nth-child(6){animation-delay:.35s}
.stats-grid .stat-box:hover{transform:translateY(-5px);border-color:rgba(21,112,239,.42);box-shadow:0 14px 34px rgba(14,42,71,.13)}
.stats-grid .stat-box:hover::before{transform:scaleX(1)}
.stats-grid .stat-box strong{transition:transform .3s ease}
.stats-grid .stat-box:hover strong{transform:scale(1.06)}
.stats-grid .stat-box:hover span{color:var(--blue)}
.stats-grid .stat-box span{transition:color .25s ease}
@media (prefers-reduced-motion:reduce){.stats-grid .stat-box{animation:none}.stats-grid .stat-box:hover{transform:none}}