/* =========================================================
   艾思瑞 SSZ 官网框架 · 设计系统
   对标：金泰美林（干净专业）+ 纽威阀门（大气国际）
   风格：大量留白 · 克制不花 · 一点点橙
   VI：橙 #E8651E（点缀）· 石板灰 #3B3E4D（深底/标题）· 白
   ========================================================= */

:root{
  --ink:#1c2230;             /* 主文字 近黑蓝灰 */
  --slate:#3B3E4D;           /* 石板灰 深底/副标题 */
  --slate-2:#5b6072;
  --paper:#ffffff;
  --bg:#f6f7f9;              /* 浅灰底 留白呼吸 */
  --bg-2:#eef0f3;
  --line:#e4e7ec;
  --accent:#E8651E;          /* 提案橙 点缀 */
  --accent-soft:#fff3ec;
  --accent-ink:#c4540f;
  --muted:#828a99;
  --maxw:1240px;
  --r:14px;
  --shadow:0 8px 30px rgba(28,34,48,.07);
  --shadow-lg:0 18px 50px rgba(28,34,48,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",-apple-system,system-ui,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.7;
  font-size:16px;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section.alt{background:var(--bg)}
.section.tight{padding:72px 0}

/* 双语标题块 —— 参考纽威/金泰美林 英文副标题 */
.sec-head{margin-bottom:54px;max-width:760px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:14px;
}
.sec-head h2{font-size:34px;line-height:1.25;color:var(--slate);font-weight:800;letter-spacing:.01em}
.sec-head .en{display:block;font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.14em;margin-top:10px;text-transform:uppercase}
.sec-head p{margin-top:18px;color:var(--slate-2);font-size:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font-weight:700;font-size:15px;transition:.25s var(--ease);cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(232,101,30,.25)}
.btn-primary:hover{background:var(--accent-ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--slate);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-line{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-line:hover{background:#fff;color:var(--slate)}

/* ============ 顶部条 ============ */
.topbar{background:var(--slate);color:#cfd3dd;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cfd3dd}
.topbar a:hover{color:#fff}
.topbar .lang{display:flex;gap:14px}
.topbar .lang .on{color:#fff;font-weight:700}

/* ============ 导航 ============ */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:40px;height:40px;border-radius:10px;background:var(--slate);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:-.5px}
.brand .name{font-weight:800;color:var(--slate);font-size:18px;line-height:1.1}
.brand .name small{display:block;font-weight:600;font-size:11px;color:var(--muted);letter-spacing:.12em}
.menu{display:flex;gap:34px;list-style:none;align-items:center}
.menu a{font-weight:600;font-size:15.5px;color:var(--ink);position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);transition:.25s var(--ease)}
.menu a:hover::after,.menu a.active::after{width:100%}
.menu a.active{color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .tel{font-weight:800;color:var(--slate);font-size:15px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--slate)}

/* ============ HERO ============ */
.hero{position:relative;background:
   radial-gradient(1200px 500px at 80% -10%,rgba(232,101,30,.12),transparent 60%),
   linear-gradient(160deg,#2a2e3c 0%,#3B3E4D 55%,#23262f 100%);
   color:#fff;overflow:hidden}
.hero .container{position:relative;z-index:2;padding:120px 28px 110px}
.hero .tag{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);padding:8px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.04em;margin-bottom:26px}
.hero .tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(232,101,30,.25)}
.hero h1{font-size:50px;line-height:1.18;font-weight:800;letter-spacing:.01em;max-width:880px}
.hero h1 .hl{color:var(--accent)}
.hero .sub-en{margin-top:18px;font-size:18px;letter-spacing:.1em;color:#c9cdd8;font-weight:600}
.hero .lede{margin-top:22px;font-size:17px;color:#d6dae3;max-width:680px}
.hero .actions{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.hero .scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:#9aa0ad;font-size:12px;letter-spacing:.2em}

/* ============ 实力数据条 ============ */
.stats{background:var(--slate);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(6,1fr);gap:0;padding:0}
.stat{padding:42px 22px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.stat:last-child{border-right:none}
.stat .num{font-size:40px;font-weight:800;color:#fff;letter-spacing:-.5px}
.stat .num .u{font-size:18px;color:var(--accent);font-weight:800;margin-left:2px}
.stat .lab{margin-top:8px;font-size:14px;color:#b9bfca;letter-spacing:.02em}
.stat .en{display:block;font-size:11px;color:#7e8595;letter-spacing:.12em;margin-top:3px;text-transform:uppercase}

/* ============ 优势卡 ============ */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:34px;transition:.3s var(--ease)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.card .ico{width:50px;height:50px;border-radius:12px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin-bottom:20px}
.card h3{font-size:20px;color:var(--slate);font-weight:800;margin-bottom:10px}
.card p{color:var(--slate-2);font-size:15px}
.card .en{display:block;font-size:12px;color:var(--muted);letter-spacing:.12em;margin-bottom:14px;text-transform:uppercase}

/* ============ 产品分类 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s var(--ease)}
.prod:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.prod .pic{height:190px;background:linear-gradient(135deg,#f6f7f9,#e9edf3);position:relative;display:flex;align-items:center;justify-content:center;padding:18px}
.prod .pic img{max-width:82%;max-height:150px;object-fit:contain;filter:drop-shadow(0 10px 18px rgba(28,34,48,.16));transition:.3s var(--ease)}
.prod:hover .pic img{transform:scale(1.05)}
.prod .pic .code{position:absolute;bottom:14px;left:18px;font-size:13px;font-weight:800;color:var(--slate);background:rgba(255,255,255,.85);padding:4px 10px;border-radius:6px}
.prod .body{padding:22px 22px 24px}
.prod .body h3{font-size:18px;color:var(--slate);font-weight:800}
.prod .body .en{font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin:4px 0 12px}
.prod .body p{font-size:14px;color:var(--slate-2);min-height:44px}
.prod .body .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--accent);font-weight:700;font-size:14px}
.prod .body .more::after{content:"→";transition:.2s}
.prod:hover .body .more::after{transform:translateX(4px)}

/* ============ 行业墙 ============ */
.ind-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ind{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px 20px;transition:.25s var(--ease)}
.ind:hover{border-color:var(--accent);background:var(--accent-soft)}
.ind h4{color:var(--slate);font-weight:800;font-size:16px;margin-bottom:6px}
.ind p{font-size:13px;color:var(--slate-2)}


/* ============ 行业卡片（14行业） ============ */
.ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.ind-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s var(--ease);display:flex;flex-direction:column}
.ind-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(232,101,30,.45)}
.ind-card .im{height:250px;background-size:cover;background-position:center;transition:.45s var(--ease)}
.ind-card:hover .im{transform:scale(1.035)}
.ind-card .bd{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.ind-card .no{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--accent);margin-bottom:6px}
.ind-card h3{font-size:20px;font-weight:800;color:var(--slate);display:flex;align-items:baseline;gap:12px;margin:0}
.ind-card h3 .en{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.ind-card p{font-size:14px;line-height:1.85;color:var(--slate-2);margin:12px 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.chips span{font-size:12px;color:var(--slate);background:#eef1f5;padding:5px 12px;border-radius:999px}
.ind-card .ref{font-size:13px;color:var(--slate-2);border-left:3px solid var(--accent);padding:2px 0 2px 12px;margin-top:16px}
.ind-card .ref b{color:var(--slate)}
.ov-band{position:relative;border-radius:var(--r);overflow:hidden;min-height:300px;display:flex;align-items:center;background-size:cover;background-position:center}
.ov-band .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,34,48,.85),rgba(28,34,48,.3))}
.ov-band .bd{position:relative;padding:46px 52px;color:#fff;max-width:660px}
.ov-band .bd h3{font-size:26px;font-weight:800;margin:0 0 12px;color:#fff}
.ov-band .bd p{color:rgba(255,255,255,.85);line-height:1.9;margin:0 0 18px}
@media(max-width:1024px){
  .ind-grid{grid-template-columns:1fr}
  .ov-band .bd{padding:36px 30px}
}


/* ============ 行业详情页组件 ============ */
.vs-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.vs-col{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 34px}
.vs-col h4{font-size:17px;font-weight:800;margin:0 0 18px;color:var(--slate)}
.vs-col--pain{border-top:3px solid #a23b2b;background:#fffafa}
.vs-col--pain h4{color:#a23b2b}
.vs-col--sol{border-top:3px solid var(--accent);background:#fffdfb}
.vs-col--sol h4{color:var(--accent)}
.plink-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.plink{display:flex;gap:16px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--paper);transition:.25s var(--ease)}
.plink:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px)}
.plink img{width:104px;height:78px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px;flex:none}
.plink b{display:block;font-size:15px;color:var(--slate);font-weight:800}
.plink small{font-size:12px;color:var(--accent);font-weight:600}
@media(max-width:1024px){
  .vs-grid,.plink-grid{grid-template-columns:1fr}
}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:920px;margin:0 auto;padding-left:8px}
.timeline::before{content:"";position:absolute;left:14px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 38px 52px}
.tl-item:last-child{padding-bottom:0}
.tl-item .yr{position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;z-index:2}
.tl-item h4{color:var(--slate);font-weight:800;font-size:18px}
.tl-item p{color:var(--slate-2);font-size:15px;margin-top:6px}

/* ============ 证明材料/认证 ============ */
.certs{display:flex;flex-wrap:wrap;gap:12px}
.cert{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:14px;font-weight:700;color:var(--slate);min-width:120px;text-align:center}
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.partner{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--slate);font-size:15px;text-align:center;min-height:78px;transition:.25s}
.partner:hover{border-color:var(--accent);color:var(--accent)}

/* ============ 案例 ============ */
.case{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.3s var(--ease)}
.case:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.case .ind-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.case h3{font-size:18px;color:var(--slate);font-weight:800;margin-bottom:8px}
.case .pain{font-size:14px;color:#a23b2b;background:#fdf1ee;padding:10px 12px;border-radius:8px;margin:12px 0}
.case .sol{font-size:14px;color:var(--slate-2)}

/* ============ 参数表 ============ */
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec th,.spec td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.spec th{background:var(--bg);color:var(--slate);font-weight:700;width:200px}
.spec td{color:var(--slate-2)}

/* ============ 页脚 ============ */
.footer{background:var(--slate);color:#c4c9d3;padding:64px 0 28px}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer h5{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.04em}
.footer a{color:#c4c9d3;font-size:14px;display:block;margin-bottom:11px}
.footer a:hover{color:var(--accent)}
.footer .brand .name{color:#fff}
.footer .brand .name small{color:#9aa0ad}
.footer .contact-line{font-size:14px;margin-bottom:10px;color:#d6dae3}
.footer .contact-line b{color:#fff;font-weight:700}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;font-size:13px;color:#8b91a0;flex-wrap:wrap;gap:10px}

/* ============ 页头图（内页） ============ */
.page-hero{background:linear-gradient(160deg,#2a2e3c,#3B3E4D);color:#fff;padding:72px 0 64px}
.page-hero h1{font-size:40px;font-weight:800}
.page-hero .en{font-size:14px;letter-spacing:.16em;color:#c9cdd8;margin-top:10px;text-transform:uppercase}
.breadcrumb{font-size:13px;color:#9aa0ad;margin-bottom:18px}
.breadcrumb a:hover{color:#fff}

/* ============ 通用块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{height:380px;border-radius:var(--r);background:linear-gradient(135deg,#e9edf2,#d8dee7);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;border:1px dashed var(--line)}
.lead{font-size:18px;color:var(--slate-2);line-height:1.85}
.lead strong{color:var(--slate)}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(22px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}

.media--img{border:none;display:block;background-size:cover;background-position:center}
/* ============ 原站 Logo 图 ============ */
.logo-img{height:46px;width:auto;display:block}
.footer .logo-img{height:40px}

/* ============ 产品中心：独立产品线板块 ============ */
.pline{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.pline:last-of-type{border-bottom:none}
.pline.rev .pline-img{order:2}
.pline-img{position:relative;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:16px;min-height:320px;overflow:hidden}
.pline-img img{max-width:88%;max-height:340px;object-fit:contain;filter:drop-shadow(0 18px 32px rgba(28,34,48,.18))}
.pline-img .tag{position:absolute;top:16px;left:16px;background:var(--slate);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;padding:6px 12px;border-radius:999px}
.pline .kicker{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.14em;margin-bottom:8px}
.pline h3{font-size:26px;font-weight:800;color:var(--slate);margin:0 0 6px}
.pline .en{font-size:12px;color:var(--muted);letter-spacing:.14em;margin-bottom:14px}
.pline p.desc{color:var(--muted);line-height:1.9;margin:0 0 14px}
.pline .sub{font-size:14px;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:16px;line-height:1.8}
.pline .sub b{color:var(--accent)}
.more-btn{display:inline-flex;align-items:center;gap:8px;background:var(--slate);color:#fff;font-weight:700;font-size:14px;padding:12px 26px;border-radius:999px;transition:.2s}
.more-btn:hover{background:var(--accent);transform:translateY(-2px)}

/* ============ 产品详情页 ============ */
.pd-hero-img{display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:16px;padding:40px}
.pd-hero-img img{max-width:100%;max-height:420px;object-fit:contain;filter:drop-shadow(0 18px 32px rgba(28,34,48,.18))}
.feat-list{list-style:none;margin:0;padding:0}
.feat-list li{position:relative;padding:10px 0 10px 26px;border-bottom:1px dashed var(--line);color:var(--muted);line-height:1.8;font-size:15px}
.feat-list li::before{content:"";position:absolute;left:2px;top:19px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.feat-list li b{color:var(--slate)}
table.spec{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
table.spec th,table.spec td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
table.spec th{background:var(--slate);color:#fff;font-weight:700;width:150px;white-space:nowrap}
table.spec td{color:var(--muted);line-height:1.8}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:none}
.sub-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.sub-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}
.sub-card img{width:100%;height:180px;object-fit:contain;margin-bottom:14px}
.sub-card h4{margin:0 0 8px;font-size:17px;color:var(--slate)}
.sub-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}
.pd-nav{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:48px}
.pd-nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 22px;font-size:13px;font-weight:700;color:var(--slate);transition:.2s}
.pd-nav a:hover,.pd-nav a.on{background:var(--slate);color:#fff;border-color:var(--slate)}

/* ============ 产品中心：产品线卡片网格（点入看详情） ============ */
.pl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pl-card{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;transition:.32s var(--ease)}
.pl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(232,101,30,.45)}
.pl-card .pic{position:relative;height:232px;background:linear-gradient(135deg,#f7f8fa,#eaeef4);
  display:flex;align-items:center;justify-content:center;padding:26px;overflow:hidden}
.pl-card .pic img{max-width:84%;max-height:172px;object-fit:contain;
  filter:drop-shadow(0 14px 24px rgba(28,34,48,.16));transition:.4s var(--ease)}
.pl-card:hover .pic img{transform:scale(1.05)}
.pl-card .pic .no{position:absolute;top:14px;left:16px;font-size:12px;font-weight:800;letter-spacing:.14em;color:#a7adba}
.pl-card .pic .badge{position:absolute;top:12px;right:14px;background:var(--accent);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:999px}
.pl-card .bd{padding:24px 26px 0;display:flex;flex-direction:column;flex:1}
.pl-card h3{font-size:19px;font-weight:800;color:var(--slate);margin:0 0 6px;line-height:1.4}
.pl-card .en{font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.pl-card p{font-size:14px;line-height:1.85;color:var(--slate-2);margin:0 0 16px;min-height:78px}
.pl-card .pchips{display:flex;flex-wrap:wrap;gap:7px;padding-bottom:18px}
.pl-card .pchips span{font-size:12px;font-weight:700;color:var(--accent-ink);background:var(--accent-soft);
  padding:4px 11px;border-radius:999px}
.pl-card .go{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;font-weight:800;color:var(--slate);border-top:1px solid var(--line);
  padding:15px 26px;margin-left:-26px;margin-right:-26px;transition:.22s}
.pl-card .go::after{content:"→";color:var(--accent);font-size:15px;transition:.22s var(--ease)}
.pl-card:hover .go{color:var(--accent);background:#fdf8f5}
.pl-card:hover .go::after{transform:translateX(5px)}

/* 选型引导条 */
.select-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(120deg,#3B3E4D,#262a37);border-radius:var(--r);padding:40px 48px;color:#fff}
.select-cta h3{font-size:22px;font-weight:800;margin:0 0 8px;color:#fff}
.select-cta p{margin:0;color:rgba(255,255,255,.76);font-size:15px;line-height:1.8;max-width:760px}
@media(max-width:768px){.select-cta{padding:30px 26px}}

/* ============ HERO 实景大图 ============ */
.hero--img{
  background-image:linear-gradient(160deg, rgba(28,34,48,.66), rgba(28,34,48,.50)),
                   url("../img/site/site_showroom.jpg");
  background-size:cover;background-position:center}
/* 首屏大图第二张：公司门头实拍（PPT首页照片），与展厅图交叉淡入轮播 */
.hero-fade{position:absolute;inset:0;z-index:1;opacity:0;
  background-image:linear-gradient(160deg, rgba(28,34,48,.66), rgba(28,34,48,.50)),
                   url("../img/site/site_gate.jpg");
  background-size:cover;background-position:center 42%;
  animation:heroFade 20s ease-in-out infinite}
@keyframes heroFade{0%,32%{opacity:0}46%,82%{opacity:1}96%,100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.hero-fade{animation:none;opacity:0}}

/* ============ 公司门脸 / 实力 图组 ============ */
.facility .grid-2{gap:22px}
.figure{margin:0;border-radius:var(--r);overflow:hidden;position:relative;box-shadow:var(--shadow);background:#e9edf2}
.figure img{width:100%;height:320px;object-fit:cover;display:block}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(transparent,rgba(28,34,48,.82));color:#fff;
  padding:22px 22px 18px;font-weight:700;font-size:17px;letter-spacing:.02em}
.figure figcaption small{display:block;font-weight:500;font-size:13px;color:#cdd2dc;margin-top:4px}

/* 全幅实景条 */
.band{position:relative;min-height:440px;background-size:cover;background-position:center;
  display:flex;align-items:center;color:#fff;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,34,48,.82),rgba(28,34,48,.28))}
.band .container{position:relative;z-index:2;max-width:620px}
.band h2{font-size:34px;font-weight:800;margin-bottom:14px}
.band p{font-size:17px;color:#dbe0e9;line-height:1.8}

/* ============ 产品中心：独立产品线 ============ */
.pline{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:26px;background:var(--paper)}
.pline:nth-child(even) .pline-media{order:2}
.pline-media{position:relative;min-height:340px;background:#e9edf2}
.pline-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pline-body{padding:46px 48px;display:flex;flex-direction:column;justify-content:center}
.pline-body .idx{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.16em}
.pline-body h3{font-size:27px;color:var(--slate);font-weight:800;margin:8px 0 4px}
.pline-body .en{font-size:13px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.pline-body p{margin-top:16px;color:var(--slate-2);font-size:15.5px;line-height:1.8}
.pline-body .models{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pline-body .models span{background:var(--accent-soft);color:var(--accent-ink);font-weight:700;font-size:13px;padding:5px 12px;border-radius:999px}
.pline-body .more{margin-top:22px;display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;font-size:14px}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .stats .container{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:none}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.partners{grid-template-columns:repeat(2,1fr)}
  .pl-grid{grid-template-columns:repeat(2,1fr)}
  .ind-wall{grid-template-columns:repeat(3,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .pline{grid-template-columns:1fr;gap:28px;padding:44px 0}
  .pline.rev .pline-img{order:0}
}
@media(max-width:768px){
  .menu,.nav-cta .tel{display:none}
  .burger{display:flex}
  .menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;
    padding:20px 28px;gap:18px;box-shadow:var(--shadow);border-top:1px solid var(--line)}
  .hero .container{padding:84px 24px 80px}
  .hero h1{font-size:34px}
  .section{padding:64px 0}
  .sec-head h2{font-size:27px}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.08)}
  .grid-2,.grid-3,.grid-4,.prod-grid,.partners,.ind-wall,.split,.pl-grid{grid-template-columns:1fr}
  .pl-card .pic{height:210px}
  .pline{grid-template-columns:1fr}
  .pline:nth-child(even) .pline-media{order:0}
  .pline-media{min-height:240px}
  .pline-body{padding:32px 26px}
  .band{min-height:360px;background-attachment:scroll}
  .figure img{height:240px}
  .footer .cols{grid-template-columns:1fr}
  .footer .bottom{flex-direction:column}
}

/* ============ 图片增强：图集 / 灯箱 / 动效（2026-11-03） ============ */
/* 首屏大图缓推近（Ken Burns），与交叉淡入叠加 */
@keyframes kenburns{from{transform:scale(1) translate3d(0,0,0)}to{transform:scale(1.07) translate3d(0,-1%,0)}}
.hero-fade{animation:heroFade 20s ease-in-out infinite, kenburns 26s ease-in-out infinite alternate}
@media (prefers-reduced-motion:reduce){.hero-fade{animation:none}}

/* 图片进入视口：轻微推近 + 淡入 */
.rv-img{overflow:hidden}
html.js .rv-img img{transform:scale(1.06);opacity:0;transition:transform 1.1s cubic-bezier(.2,.7,.2,1),opacity .9s ease}
html.js .rv-img.in img{transform:scale(1);opacity:1}
@media (prefers-reduced-motion:reduce){html.js .rv-img img{transform:none;opacity:1}}
.sub-card img,.figure img,.pd-hero-img img{cursor:zoom-in}

/* 全幅实景视差 */
@media (min-width:1025px){.band{background-attachment:fixed}}

/* 图集网格 */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:196px;gap:14px}
.gal a{position:relative;overflow:hidden;border-radius:14px;display:block;background:#e8eaee;
  box-shadow:0 6px 24px rgba(30,36,52,.08)}
.gal a.w2{grid-column:span 2}
.gal a.h2{grid-row:span 2}
.gal img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .9s cubic-bezier(.2,.7,.2,1),filter .5s}
.gal a:hover img{transform:scale(1.07)}
.gal .cap{position:absolute;left:0;right:0;bottom:0;padding:20px 18px 15px;color:#fff;font-size:14.5px;font-weight:700;
  background:linear-gradient(transparent,rgba(18,22,32,.84));opacity:0;transform:translateY(10px);transition:.38s}
.gal .cap small{display:block;font-weight:500;font-size:12.5px;color:#c9cfdb;margin-top:4px;letter-spacing:.02em}
.gal a:hover .cap{opacity:1;transform:none}
.gal .zoom{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.92);color:#3B3E4D;display:flex;align-items:center;justify-content:center;
  font-size:15px;opacity:0;transform:scale(.85);transition:.3s}
.gal a:hover .zoom{opacity:1;transform:none}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;
  background:rgba(14,17,24,.94);opacity:0;pointer-events:none;transition:opacity .3s}
.lb.on{opacity:1;pointer-events:auto}
.lb img{max-width:92vw;max-height:82vh;border-radius:10px;transform:scale(.95);opacity:.5;
  transition:transform .42s cubic-bezier(.2,.7,.2,1),opacity .3s;box-shadow:0 30px 90px rgba(0,0,0,.55)}
.lb.on img{transform:scale(1);opacity:1}
.lb .lbcap{position:absolute;left:0;right:0;bottom:24px;text-align:center;color:#d5dae4;font-size:14px;letter-spacing:.03em}
.lb button{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);color:#fff;
  cursor:pointer;border-radius:50%;width:46px;height:46px;font-size:19px;line-height:1;transition:.22s;padding:0}
.lb button:hover{background:rgba(255,255,255,.24)}
.lb .lbx{top:24px;right:26px}
.lb .lbp{left:26px;top:calc(50% - 23px)}
.lb .lbn{right:26px;top:calc(50% - 23px)}

@media (max-width:1024px){
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px}
  .gal a.w2{grid-column:span 2}
}
@media (max-width:640px){
  .gal{grid-template-columns:1fr;grid-auto-rows:200px}
  .gal a.w2,.gal a.h2{grid-column:auto;grid-row:auto}
  .lb .lbp{left:10px}.lb .lbn{right:10px}
}

/* =========================================================
   首页动效增强 v2（2026-11-03）—— 克制的"活"：
   入场 / 计数 / 浮动 / 视差 / 跑马灯 / 原理动画
   ========================================================= */

/* ---------- 顶部阅读进度 ---------- */
.dprog{position:fixed;top:0;left:0;width:100%;height:2px;z-index:900;pointer-events:none;
  background:linear-gradient(90deg,var(--accent),#F79646);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .12s linear}

/* ---------- 首屏文案分层入场 ---------- */
@keyframes heroUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:no-preference){
  html.js .hero .tag{animation:heroUp .7s .05s both var(--ease)}
  html.js .hero h1{animation:heroUp .9s .16s both var(--ease)}
  html.js .hero .sub-en{animation:heroUp .9s .3s both var(--ease)}
  html.js .hero .lede{animation:heroUp .9s .42s both var(--ease)}
  html.js .hero .actions{animation:heroUp .9s .54s both var(--ease)}
}
/* 滚动提示：竖线呼吸下滑 */
.hero .scroll-cue::after{content:"";display:block;width:1px;height:26px;margin:9px auto 0;background:#9aa0ad}
@keyframes cue{0%,100%{transform:translateY(0);opacity:.3}50%{transform:translateY(8px);opacity:1}}
.hero .scroll-cue::after{animation:cue 2.2s ease-in-out infinite}

/* ---------- 首屏浮动数据卡 ---------- */
.hero-badge{position:absolute;right:6%;bottom:24%;z-index:2;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);border-radius:16px;
  padding:18px 24px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:#fff;text-align:center;animation:badgeFloat 7s ease-in-out infinite}
.hero-badge b{display:block;font-size:34px;font-weight:800;letter-spacing:-.5px;line-height:1.1}
.hero-badge b span{font-size:15px;margin-left:3px;color:var(--accent);font-weight:800}
.hero-badge small{display:block;font-size:12px;color:#d5dae4;letter-spacing:.06em;margin-top:6px}
@keyframes badgeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@media (max-width:1024px){.hero-badge{display:none}}
@media (prefers-reduced-motion:reduce){.hero-badge{animation:none}}

/* ---------- 数字滚动（等宽，避免跳动） ---------- */
.stat .num{font-variant-numeric:tabular-nums}

/* ---------- 产品卡：图片缓慢浮动 + 光标高光 ---------- */
@keyframes prodFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.prod .pic img{animation:prodFloat 7.5s ease-in-out infinite;will-change:transform}
.prod:nth-child(2n) .pic img{animation-duration:8.8s;animation-delay:-1.4s}
.prod:nth-child(3n) .pic img{animation-duration:9.8s;animation-delay:-3s}
.prod:hover .pic img{animation:none;transform:scale(1.06) translateY(-4px);transition:transform .5s var(--ease)}
.prod::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(232,101,30,.10),transparent 62%);
  transition:opacity .35s var(--ease)}
.prod:hover::after{opacity:1}
@media (prefers-reduced-motion:reduce){.prod .pic img{animation:none}}

/* ---------- 行业卡：橙色竖条生长 ---------- */
.ind{position:relative;overflow:hidden}
.ind::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .38s var(--ease)}
.ind:hover::before{transform:scaleY(1)}

/* ---------- 图集 / 卡片错峰入场 ---------- */
html.js .gal.reveal a{opacity:0;transform:translateY(18px) scale(.985);
  transition:opacity .7s var(--ease),transform .8s var(--ease)}
html.js .gal.reveal.in a{opacity:1;transform:none}
html.js .certs.reveal .cert{opacity:0;transform:translateY(10px);
  transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.js .certs.reveal.in .cert{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .gal.reveal a,html.js .certs.reveal .cert{opacity:1;transform:none}
}

/* ---------- 走进艾思瑞：图片自动交叉轮播（含缓推近） ---------- */
.figure.fx{height:320px}
.figure.fx img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  animation:fxFade 15s ease-in-out infinite}
.figure.fx img:nth-of-type(2){animation-delay:5s}
.figure.fx img:nth-of-type(3){animation-delay:10s}
.figure.fx figcaption{z-index:2}
@keyframes fxFade{
  0%{opacity:0;transform:scale(1.03)}
  4%,29%{opacity:1}
  34%,100%{opacity:0}
  100%{transform:scale(1.09)}
}
@media (max-width:768px){.figure.fx{height:240px}}
@media (prefers-reduced-motion:reduce){
  .figure.fx img{animation:none;opacity:0}
  .figure.fx img:first-child{opacity:1}
}

/* ---------- 合作伙伴：双向跑马灯 ---------- */
.mq{position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.mq-row{overflow:hidden}
.mq-row + .mq-row{margin-top:14px}
.mq-track{display:flex;gap:14px;width:max-content;
  animation:mqMove var(--dur,50s) linear infinite}
.mq-row.rev .mq-track{animation-direction:reverse}
.mq:hover .mq-track{animation-play-state:paused}
@keyframes mqMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.mq .partner{flex:0 0 auto;min-width:180px;padding:18px 26px;white-space:nowrap}
@media (prefers-reduced-motion:reduce){.mq-track{animation:none}}

/* ---------- 陶瓷球阀开闭原理动画 ---------- */
.valve-anim{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px 24px 16px;box-shadow:var(--shadow)}
.valve-anim svg{width:100%;height:auto;display:block;overflow:visible}
.va-ball{transform-box:fill-box;transform-origin:50% 50%;
  animation:vaBall 9s ease-in-out infinite}
.va-needle{transform-box:view-box;transform-origin:220px 44px;
  animation:vaBall 9s ease-in-out infinite}
.va-flow{animation:vaFlow 9s ease-in-out infinite,vaDash 1.7s linear infinite}
.va-txt{font-size:12.5px;font-weight:700;letter-spacing:.12em;fill:var(--slate);text-anchor:middle}
.va-closed{animation:vaTxtClosed 9s ease-in-out infinite}
.va-open{animation:vaTxtOpen 9s ease-in-out infinite}
@keyframes vaBall{0%,14%{transform:rotate(0deg)}34%,62%{transform:rotate(90deg)}82%,100%{transform:rotate(0deg)}}
@keyframes vaFlow{0%,14%{opacity:.12}30%,64%{opacity:1}80%,100%{opacity:.12}}
@keyframes vaDash{to{stroke-dashoffset:-40}}
@keyframes vaTxtClosed{0%,14%{opacity:1}30%,62%{opacity:0}78%,100%{opacity:1}}
@keyframes vaTxtOpen{0%,14%{opacity:0}30%,62%{opacity:1}78%,100%{opacity:0}}
.va-legend{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;
  font-size:12.5px;color:var(--muted);letter-spacing:.03em;margin-top:6px}
.va-legend i{display:inline-block;width:16px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}
.va-legend .k1{background:var(--accent)}
.va-legend .k2{background:#c9d0db}
@media (prefers-reduced-motion:reduce){
  .va-ball,.va-needle,.va-flow,.va-open,.va-closed{animation:none}
  .va-flow{opacity:.8}
  .va-open{opacity:0}
}

/* ---------- 实力数字：计数完成后高光闪现 ---------- */
.stat .num{position:relative;display:inline-block}
.stat .num.shine{
  background:linear-gradient(110deg,#fff 42%,#ffd9ae 50%,#fff 58%);
  background-size:240% 100%;background-position:120% 0;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:numShine 1.5s ease-out 1 both;
  text-shadow:none}
.stat .num.shine .u{-webkit-text-fill-color:var(--accent);color:var(--accent)}
@keyframes numShine{
  0%{background-position:120% 0}
  100%{background-position:0% 0}
}
/* "+" 号闪亮放大 */
.stat .num.shine .u{animation:uPop 1.1s .35s cubic-bezier(.2,1.4,.4,1) 1 both}
@keyframes uPop{
  0%{transform:scale(1);opacity:1}
  35%{transform:scale(1.55);opacity:1;text-shadow:0 0 14px rgba(232,101,30,.85)}
  100%{transform:scale(1);opacity:1;text-shadow:none}
}
/* 底部一条光线掠过（与文字高光呼应） */
.stat{position:relative;overflow:hidden}
.stat.shine::after{content:"";position:absolute;top:0;bottom:0;left:-40%;width:36%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.10),transparent);
  animation:statSweep 1.2s ease-out 1 both;pointer-events:none}
@keyframes statSweep{from{left:-40%}to{left:120%}}
@media (prefers-reduced-motion:reduce){
  .stat .num.shine,.stat .num.shine .u,.stat.shine::after{animation:none}
  .stat .num.shine{background:none;-webkit-text-fill-color:currentColor;color:#fff}
}

/* ============ 新闻详情页 / 年份时间轴（2026-11-03） ============ */
.art-wrap{max-width:840px;margin:0 auto}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13.5px;color:var(--muted);margin-bottom:24px}
.art-meta .cat{color:var(--accent);font-weight:700;background:var(--accent-soft);padding:4px 13px;border-radius:999px}
.art-lead{font-size:17.5px;line-height:1.9;color:var(--slate);font-weight:500;
  border-left:4px solid var(--accent);padding-left:20px;margin:0 0 30px}
.art-fig{margin:0 0 34px;border-radius:var(--r);overflow:hidden;background:#f4f6f9;border:1px solid var(--line)}
.art-fig img{width:100%;max-height:420px;object-fit:cover;display:block}
.art-fig figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:#fff;border-top:1px solid var(--line)}
.art-body{font-size:16.5px;line-height:1.95;color:#4b5061}
.art-body h2{font-size:21px;color:var(--slate);font-weight:800;line-height:1.5;
  margin:42px 0 16px;padding-left:15px;border-left:4px solid var(--accent)}
.art-body p{margin:0 0 16px}
.art-body ul{margin:0 0 20px;padding-left:20px}
.art-body li{margin-bottom:9px}
.art-body b,.art-body strong{color:var(--slate);font-weight:800}
.art-body .art-table{width:100%;border-collapse:collapse;margin:22px 0 26px;font-size:14.5px;line-height:1.7}
.art-body .art-table th,.art-body .art-table td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
.art-body .art-table th{background:var(--bg);color:var(--slate);font-weight:800;white-space:nowrap}
.art-body .art-table tr:nth-child(even) td{background:#fbfcfd}
.art-quote{border-left:4px solid var(--accent);background:var(--accent-soft);padding:18px 22px;
  border-radius:0 10px 10px 0;margin:26px 0;color:#8a3a12;font-weight:600;font-size:16px;line-height:1.85}
.art-cta{margin-top:52px;background:linear-gradient(120deg,#3B3E4D,#262a37);color:#fff;
  border-radius:var(--r);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.art-cta h3{color:#fff;font-size:20px;font-weight:800}
.art-cta p{color:rgba(255,255,255,.72);font-size:14px;margin-top:8px;line-height:1.7;max-width:520px}
.art-nav{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:26px;
  border-top:1px solid var(--line);font-size:14px;line-height:1.6}
.art-nav a{color:var(--slate-2);max-width:46%;transition:.25s}
.art-nav a:hover{color:var(--accent)}

/* 年份列表 */
.news-years{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:34px}
.news-years a{font-size:14px;font-weight:700;color:var(--slate-2);border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;background:var(--paper);transition:.25s}
.news-years a:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}
.nlist{border-top:1px solid var(--line)}
.nitem{display:grid;grid-template-columns:118px 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--line);
  transition:.3s var(--ease)}
.nitem:hover{padding-left:6px}
.nyr{font-size:30px;font-weight:800;color:var(--accent);letter-spacing:-.5px;line-height:1.2;position:relative}
.nyr i{position:absolute;left:0;bottom:-8px;width:26px;height:2px;background:var(--accent);opacity:.5}
.nmeta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.5px;color:var(--muted);margin-bottom:8px;align-items:center}
.nmeta .ncat{color:var(--accent);font-weight:700;background:var(--accent-soft);padding:3px 11px;border-radius:999px}
.nitem h3{font-size:19.5px;color:var(--slate);font-weight:800;line-height:1.5;transition:.25s}
.nitem:hover h3{color:var(--accent)}
.nitem p{font-size:14.5px;color:var(--slate-2);margin-top:9px;line-height:1.8}
.nmore{display:inline-block;margin-top:10px;font-size:13.5px;font-weight:700;color:var(--accent)}
@media (max-width:768px){
  .nitem{grid-template-columns:76px 1fr;gap:16px}
  .nyr{font-size:22px}
  .art-cta{padding:26px}
  .art-body{font-size:16px}
  .art-body .art-table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ============ 关于我们 · 深度版（2026-11-03） ============ */
/* 开篇大导语 */
.lede-xl{font-size:20.5px;line-height:1.95;color:var(--slate);font-weight:500;max-width:920px}
.lede-xl b{color:var(--accent);font-weight:800}
.sec-lead{font-size:16.5px;line-height:1.95;color:var(--muted);max-width:860px;margin-top:14px}
/* 章节序号 */
.sec-no{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--accent);
  background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:16px}

/* 创始人引言 */
.quote-big{position:relative;padding:6px 0 6px 28px;border-left:3px solid var(--accent);max-width:860px}
.quote-big p{font-size:19px;line-height:1.85;color:var(--slate);font-weight:700;margin:0}
.quote-big .by{display:block;margin-top:14px;font-size:13.5px;color:var(--muted);font-weight:600;letter-spacing:.04em}

/* 核心团队 */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 26px;box-shadow:var(--shadow);
  transition:.35s var(--ease)}
.team-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(30,36,52,.12);border-color:rgba(232,101,30,.32)}
.ava{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:23px;font-weight:800;color:#fff;background:linear-gradient(140deg,#3B3E4D,#22252f);
  border:2px solid var(--accent);margin-bottom:18px;letter-spacing:.02em}
.team-card h4{margin:0 0 6px;font-size:18px;color:var(--slate);font-weight:800;letter-spacing:.02em}
.team-card .role{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:12px}
.team-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0}
@media (max-width:1024px){.team{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.team{grid-template-columns:1fr}}

/* 浅色数据卡 */
.stat-lite{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;text-align:center;
  box-shadow:var(--shadow)}
.stat-lite b{display:block;font-size:34px;font-weight:800;color:var(--accent);line-height:1.15;letter-spacing:-.5px;
  font-variant-numeric:tabular-nums}
.stat-lite b span{font-size:16px;margin-left:2px}
.stat-lite .lab{display:block;font-size:14.5px;font-weight:700;color:var(--slate);margin-top:10px}
.stat-lite .en{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.12em;margin-top:5px}

/* 键值小格 */
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden}
.kv>div{background:#fff;padding:18px 20px}
.kv dt{font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-bottom:6px}
.kv dd{margin:0;font-size:15.5px;font-weight:800;color:var(--slate);line-height:1.6}
@media (max-width:768px){.kv{grid-template-columns:repeat(2,1fr)}}

/* 客户名单 */
.clients{display:flex;flex-wrap:wrap;gap:10px}
.clients span{font-size:13.5px;font-weight:600;color:var(--slate-2);background:var(--bg);
  border:1px solid var(--line);border-radius:8px;padding:8px 16px;transition:.25s}
.clients span:hover{color:#fff;background:var(--slate);border-color:var(--slate)}

/* 关于我们 · 合作单位卡：竖排（名称 + 方向说明） */
.partners{grid-template-columns:repeat(3,1fr)}
.partner{flex-direction:column;gap:6px;text-align:center}
@media (max-width:768px){.partners{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.partners{grid-template-columns:1fr}}

/* ============ 关于我们 · 产学研图集 / 证书墙 / 动效（2026-11-03） ============ */

/* ---------- 产学研：合作网络横幅 ---------- */
.pbanner{position:relative;display:block;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
  margin-bottom:26px;cursor:zoom-in}
.pbanner img{width:100%;height:clamp(180px,26vw,320px);object-fit:cover;display:block;
  transition:transform 1.1s var(--ease)}
.pbanner:hover img{transform:scale(1.05)}
.pbanner .pb-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 30px 20px;
  background:linear-gradient(to top,rgba(20,24,34,.86),rgba(20,24,34,.35) 55%,transparent);
  color:#fff}
.pbanner .pb-cap b{display:block;font-size:17px;font-weight:800;letter-spacing:.02em}
.pbanner .pb-cap small{display:block;font-size:12.5px;color:rgba(255,255,255,.78);margin-top:6px;letter-spacing:.03em}
.pbanner .zoom{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--slate);display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:300;opacity:0;transform:scale(.8);transition:.35s var(--ease)}
.pbanner:hover .zoom{opacity:1;transform:scale(1)}
@media (max-width:640px){.pbanner .pb-cap{padding:18px 20px 14px}.pbanner .pb-cap b{font-size:15px}}

/* ---------- 产学研：四格图集说明行 ---------- */
.gal-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center;letter-spacing:.03em}

/* ---------- 证书墙 ---------- */
.certwall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cw{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow);cursor:zoom-in;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease)}
.cw:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(30,36,52,.14);border-color:rgba(232,101,30,.45)}
.cw .thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#f4f6f9}
.cw .thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;
  transition:transform .9s var(--ease)}
.cw:hover .thumb img{transform:scale(1.07)}
/* 顶部一道橙光扫过（hover 触发） */
.cw .thumb::after{content:"";position:absolute;top:0;bottom:0;left:-45%;width:40%;
  background:linear-gradient(100deg,transparent,rgba(232,101,30,.16),transparent);
  opacity:0;pointer-events:none}
.cw:hover .thumb::after{opacity:1;animation:cwSweep .95s ease-out 1}
@keyframes cwSweep{from{left:-45%}to{left:120%}}
.cw .cw-no{position:absolute;top:10px;left:10px;z-index:2;font-size:11px;font-weight:800;
  letter-spacing:.08em;color:#fff;background:rgba(59,62,77,.82);padding:3px 9px;border-radius:999px;
  backdrop-filter:blur(4px)}
.cw .zoom{position:absolute;top:10px;right:10px;z-index:2;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--slate);display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:300;opacity:0;transform:scale(.8);transition:.3s var(--ease)}
.cw:hover .zoom{opacity:1;transform:scale(1)}
.cw .cw-lab{padding:14px 16px 16px;border-top:1px solid var(--line)}
.cw .cw-lab b{display:block;font-size:14.5px;font-weight:800;color:var(--slate);line-height:1.5}
.cw .cw-lab small{display:block;font-size:12px;color:var(--muted);margin-top:5px;letter-spacing:.02em}
/* 占位卡 */
.cw.more{border-style:dashed;background:var(--bg);box-shadow:none;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:26px 18px;cursor:default;min-height:180px}
.cw.more:hover{transform:none;box-shadow:none;border-color:var(--line)}
.cw.more .plus{font-size:30px;font-weight:300;color:var(--accent);line-height:1}
.cw.more p{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.7}
@media (max-width:1024px){.certwall{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.certwall{grid-template-columns:repeat(2,1fr);gap:14px}}
@media (max-width:480px){.certwall{grid-template-columns:1fr}}

/* 证书墙错峰入场 */
html.js .certwall.reveal .cw{opacity:0;transform:translateY(20px);
  transition:opacity .6s var(--ease),transform .7s var(--ease)}
html.js .certwall.reveal.in .cw{opacity:1;transform:none}
html.js .certwall.reveal.in .cw:hover{transform:translateY(-6px)}

/* 合作单位卡：错峰入场 + hover 抬升 + 橙线生长 */
html.js .partners.reveal .partner{opacity:0;transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .6s var(--ease)}
html.js .partners.reveal.in .partner{opacity:1;transform:none}
.partner{position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
html.js .partners.reveal.in .partner:hover{transform:translateY(-5px)}
.partner::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:bottom;transition:transform .4s var(--ease)}
.partner:hover::before{transform:scaleY(1)}

/* 时间轴：滚动进度线 */
.timeline{position:relative}
.timeline::before{content:"";position:absolute;left:23px;top:0;bottom:0;width:2px;background:var(--line)}
.timeline .tl-line{position:absolute;left:23px;top:0;width:2px;background:linear-gradient(180deg,var(--accent),#F79646);
  height:0;transition:height .25s linear;z-index:1}
@media (max-width:768px){.timeline::before,.timeline .tl-line{left:19px}}

/* 团队头像：hover 微缩放 */
.team-card .ava{transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.team-card:hover .ava{transform:scale(1.09) rotate(-3deg);box-shadow:0 8px 20px rgba(232,101,30,.32)}

/* 章节序号胶囊：hover 微动 */
.sec-no{transition:background .3s var(--ease),transform .3s var(--ease)}
.sec-head:hover .sec-no{transform:translateX(3px);background:rgba(232,101,30,.16)}

/* 键值小格：hover 点亮 */
.kv>div{transition:background .3s var(--ease)}
.kv>div:hover{background:var(--accent-soft)}

/* 三列图集变体（产学研三格） */
.gal.gal--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:768px){.gal.gal--3{grid-template-columns:1fr}}

/* ---------- 全页细节动效补充 ---------- */
/* 浅色数据卡：hover 抬升 + 数字辉光 */
.stat-lite{transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease)}
.stat-lite:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(30,36,52,.11);border-color:rgba(232,101,30,.36)}
.stat-lite:hover b{text-shadow:0 0 16px rgba(232,101,30,.28)}
.stat-lite b{transition:text-shadow .38s var(--ease)}

/* 时间轴节点：hover 高亮 + 年份放大 */
.tl-item{transition:transform .35s var(--ease),padding-left .35s var(--ease)}
.tl-item:hover{transform:translateX(4px)}
.tl-item:hover .yr{transform:scale(1.12)}
.tl-item .yr{transition:transform .35s var(--ease),color .3s var(--ease)}
.tl-item:hover h4{color:var(--accent)}
.tl-item h4{transition:color .3s var(--ease)}

/* 客户标签：依次浮现 + hover 反色（已有）→ 补入场 */
html.js .clients.reveal span{opacity:0;transform:translateY(10px);
  transition:opacity .45s var(--ease),transform .45s var(--ease)}
html.js .clients.reveal.in span{opacity:1;transform:none}

/* 章节标题：下划线随入场展开 */
html.js .sec-head.reveal h2::after{content:"";display:block;width:0;height:2px;margin-top:14px;
  background:linear-gradient(90deg,var(--accent),rgba(232,101,30,0));transition:width 1s .25s var(--ease)}
html.js .sec-head.reveal.in h2::after{width:88px}
html.js .sec-head.center.reveal.in h2::after{margin-left:auto;margin-right:auto}

/* ---------- 二级小标题（统一字号） ---------- */
.sec-sub{margin-top:0}
.h-sub{font-size:19px;color:var(--slate);font-weight:800;margin:8px 0 6px;letter-spacing:.01em;line-height:1.4}
.gal.gal--4{grid-template-columns:repeat(4,1fr)}

/* ---------- 资质荣誉：证书自动翻滚墙 ---------- */
.mq-cert .mq-row + .mq-row{margin-top:16px}
.mq-cert .hq{flex:0 0 auto;width:152px;background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;display:block;text-decoration:none;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.mq-cert .hq:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(30,36,52,.14);border-color:rgba(232,101,30,.45)}
.mq-cert .hq-thumb{display:block;height:178px;overflow:hidden;background:#f4f6f9}
.mq-cert .hq-thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;
  transition:transform .55s var(--ease)}
.mq-cert .hq:hover .hq-thumb img{transform:scale(1.06)}
.mq-cert .hq-lab{display:block;padding:9px 11px 11px;border-top:1px solid var(--line)}
.mq-cert .hq-lab b{display:block;font-size:12px;font-weight:800;color:var(--slate);line-height:1.45}
.mq-cert .hq-lab small{display:block;font-size:10.5px;color:var(--muted);margin-top:3px;line-height:1.4}
@media (max-width:900px){.gal.gal--4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.gal.gal--4{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.mq-cert .mq-track{animation:none}}

/* ---------- 行业页：现场实景（竖版现场照，尺寸克制） ---------- */
.gal.gal--2{grid-template-columns:repeat(2,1fr);grid-auto-rows:400px;max-width:1000px;margin-left:auto;margin-right:auto}
.gal.gal--1{grid-template-columns:1fr;grid-auto-rows:460px;max-width:620px;margin-left:auto;margin-right:auto}
.gal.gal--2 img,.gal.gal--1 img{object-position:center 42%}
.gal.gal--1 .cap{font-size:15px;padding:22px 20px 17px}
@media (max-width:900px){
  .gal.gal--2{grid-template-columns:1fr;grid-auto-rows:300px;max-width:100%}
  .gal.gal--1{grid-auto-rows:340px;max-width:100%}
}