:root{
  --bg:#070707;
  --bg2:#0f0f0f;
  --panel:#101010;
  --text:#e9e9e9;
  --muted:#b6b6b6;
  --line:rgba(255,255,255,.10);
  --accent:#ff6a00; /* forge orange */
  --accent2:#2bb3ff; /* steel blue */
  --danger:#ff2a2a;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --max: 1180px;
  --h1: clamp(34px, 4.6vw, 68px);
  --h2: clamp(22px, 2.6vw, 36px);
  --h3: 18px;
  --p: 16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{margin:0; padding:0; background:var(--bg); color:var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{max-width:var(--max); margin:0 auto; padding:0 22px}
.topbar{position:sticky; top:0; z-index:50; backdrop-filter: blur(10px); background: rgba(7,7,7,.68); border-bottom:1px solid var(--line);}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; padding:18px 0; gap:18px}
.brand{display:flex; align-items:center; gap:20px; padding:4px 0}
.brand img{width:88px; height:88px; border-radius:16px; background:linear-gradient(145deg, #1a1a1a, #0d0d0d); border:1px solid rgba(255,255,255,.18); box-shadow:0 4px 20px rgba(0,0,0,.4); flex-shrink:0; object-fit:contain; padding:8px}
.brand .name{font-size:24px; font-weight:900; letter-spacing:1.2px; line-height:1.15; text-transform:uppercase; color:#fff; text-shadow:0 1px 2px rgba(0,0,0,.3)}
.brand .tag{font-size:14px; color:rgba(255,255,255,.78); letter-spacing:.35px; margin-top:4px}
.brand:hover .name{color:#fff}
.brand:hover img{border-color:rgba(255,106,0,.4); box-shadow:0 4px 24px rgba(255,106,0,.12)}
.nav{display:flex; gap:16px; flex-wrap:wrap; align-items:center; justify-content:flex-end}
.nav a{font-size:13px; color:var(--muted)}
.nav a:hover{color:var(--text)}
.lang{display:flex; gap:8px; align-items:center}
.lang a{font-size:12px; padding:6px 10px; border:1px solid var(--line); border-radius:999px; color:var(--muted)}
.lang a.active{border-color:rgba(255,106,0,.55); color:var(--text)}

.hero{position:relative; min-height:86vh; display:flex; align-items:flex-end; overflow:hidden; border-bottom:1px solid var(--line);}
.hero::before{content:""; position:absolute; inset:0;
  background:
    radial-gradient(1100px 520px at 18% 18%, rgba(255,106,0,.35), transparent 60%),
    radial-gradient(900px 520px at 72% 34%, rgba(43,179,255,.20), transparent 62%),
    linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.78)),
    url("../images/posters/poster-1.jpg");
  background-size: cover;
  background-position: center;
  filter:saturate(1.05) contrast(1.05);
  transform: scale(1.03);
}
.hero::after{content:""; position:absolute; inset:0; background:linear-gradient(135deg, rgba(0,0,0,.0) 0%, rgba(0,0,0,.86) 70%);}
.hero .hero-inner{position:relative; width:100%; padding:72px 0 54px;}
.kicker{display:inline-flex; gap:10px; align-items:center; padding:8px 12px; border:1px solid rgba(255,255,255,.14); border-radius:999px; background:rgba(0,0,0,.35); box-shadow:var(--shadow);}
.dot{width:8px; height:8px; border-radius:50%; background:var(--accent)}
.dot.blue{background:var(--accent2)}
h1{margin:18px 0 10px; font-size:var(--h1); line-height:1.02; letter-spacing: .6px; font-weight:900; text-transform:uppercase}
.sub{max-width:760px; color:rgba(255,255,255,.84); font-size:17px; line-height:1.55}
.cta-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:12px 16px; border-radius:14px; border:1px solid rgba(255,255,255,.18); background:rgba(0,0,0,.35); color:var(--text); font-weight:700; letter-spacing:.4px}
.btn.primary{background:linear-gradient(180deg, rgba(255,106,0,.95), rgba(255,106,0,.75)); border-color:rgba(255,106,0,.55)}
.btn.blue{background:linear-gradient(180deg, rgba(43,179,255,.90), rgba(43,179,255,.62)); border-color:rgba(43,179,255,.5)}
.btn:hover{transform: translateY(-1px); transition:.15s ease}
.section{padding:64px 0; border-bottom:1px solid var(--line); background:linear-gradient(180deg, transparent, rgba(255,255,255,.01))}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.02), transparent)}
h2{margin:0 0 14px; font-size:var(--h2); letter-spacing:.4px; font-weight:900; text-transform:uppercase}
.lead{color:var(--muted); max-width:820px; line-height:1.7}
.about-prose{max-width:820px}
.about-prose p{margin:0 0 1.2em; color:var(--muted); line-height:1.75; font-size:15px}
.about-prose p:last-child{margin-bottom:0}
.valve-model-list{margin:0; padding-left:1.2em; color:var(--muted); font-size:14px; line-height:1.85}
.valve-model-list li{margin-bottom:4px}
.valve-parts-list{max-width:560px; line-height:1.9; color:var(--muted)}
.equipment-list{margin:0; padding-left:1.3em; color:var(--muted); line-height:1.85}
.equipment-list li{margin-bottom:10px}
.equipment-list strong{color:rgba(255,255,255,.88)}
.grid{display:grid; gap:16px}
.grid.cols-4{grid-template-columns: repeat(4, minmax(0,1fr))}
.grid.cols-3{grid-template-columns: repeat(3, minmax(0,1fr))}
.grid.cols-2{grid-template-columns: repeat(2, minmax(0,1fr))}
@media (max-width: 980px){
  .grid.cols-4{grid-template-columns: repeat(2, minmax(0,1fr))}
}
@media (max-width: 640px){
  .grid.cols-3,.grid.cols-2{grid-template-columns: 1fr}
  .grid.cols-4{grid-template-columns: 1fr}
}
.card{background:rgba(16,16,16,.75); border:1px solid rgba(255,255,255,.10); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow)}
.card.block-link{cursor:pointer; transition:border-color .2s ease, box-shadow .2s ease}
.card.block-link:hover{border-color:rgba(255,255,255,.18); box-shadow:0 24px 64px rgba(0,0,0,.6)}
.card .small{font-size:12px; color:var(--muted); letter-spacing:.6px; text-transform:uppercase}
.card .big{margin-top:10px; font-size:28px; font-weight:900; letter-spacing:.4px}
.card .desc{margin-top:10px; color:var(--muted); line-height:1.65}
.hr{height:1px; background:var(--line); margin:14px 0}
.pill{display:inline-flex; gap:10px; align-items:center; padding:8px 10px; border-radius:999px; border:1px solid var(--line); color:var(--muted); font-size:12px}
.kpi{font-family: var(--mono); font-size: 34px; font-weight:900; letter-spacing:.2px}
.kpi small{display:block; font-family: inherit; font-size:12px; color:var(--muted); font-weight:700; margin-top:6px; letter-spacing:.6px; text-transform:uppercase}
/* 横向排列图片，不换行 */
.img-row{display:flex; flex-wrap:nowrap; gap:16px; align-items:stretch}
.img-row img{flex:1; min-width:0; width:100%; height:auto; border-radius:16px; border:1px solid rgba(255,255,255,.1); object-fit:cover}
@media (max-width: 768px){ .img-row{flex-wrap:wrap} .img-row img{flex:1 1 100%} }

.wall{display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap:14px}
.wall img{border-radius:18px; border:1px solid rgba(255,255,255,.10); height:100%; width:100%; object-fit:cover;}
@media (max-width: 980px){
  .wall{grid-template-columns: 1fr;}
}
/* 数控加工三图横向一排，等宽等高 */
.cnc-photos-row{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px; margin-top:14px}
.cnc-photos-row img{width:100%; height:100%; aspect-ratio:4/3; object-fit:cover; border-radius:14px; border:1px solid rgba(255,255,255,.1)}
@media (max-width: 768px){ .cnc-photos-row{grid-template-columns: repeat(3, 1fr); gap:10px} .cnc-photos-row img{aspect-ratio:4/3} }

.heat-treatment-row{display:grid; grid-template-columns: repeat(4, 1fr); gap:14px; margin-top:14px}
.heat-treatment-row img{width:100%; height:100%; object-fit:cover; border-radius:14px; border:1px solid rgba(255,255,255,.1)}
@media (max-width: 900px){ .heat-treatment-row{grid-template-columns: repeat(2, 1fr)} }
@media (max-width: 500px){ .heat-treatment-row{grid-template-columns: 1fr} }
.table{width:100%; border-collapse:collapse; overflow:hidden; border:1px solid rgba(255,255,255,.10); border-radius:18px}
.table th,.table td{padding:12px 12px; border-bottom:1px solid rgba(255,255,255,.08); text-align:left; vertical-align:top; font-size:14px}
.table th{color:rgba(255,255,255,.86); font-weight:800; letter-spacing:.3px; text-transform:uppercase; font-size:12px; background:rgba(255,255,255,.03)}
.table td{color:var(--muted)}
.badge{display:inline-flex; gap:8px; align-items:center; padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,.12); font-size:12px; color:rgba(255,255,255,.85)}
.badge.orange{border-color:rgba(255,106,0,.45)}
.badge.blue{border-color:rgba(43,179,255,.45)}

/* --- QUALITY & TESTING 板块视觉设计 --- */
.quality-intro{display:flex;flex-wrap:wrap;align-items:flex-start;gap:20px;margin-bottom:24px;padding:20px 24px;background:linear-gradient(135deg, rgba(255,106,0,.08), rgba(43,179,255,.06)); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius)}
.quality-intro .lead{margin:0;flex:1;min-width:280px}
.quality-intro .cta{margin-left:auto}
.quality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.quality-grid .quality-card{position:relative;background:rgba(16,16,16,.85);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 22px;overflow:hidden;transition:border-color .2s ease, transform .15s ease}
.quality-grid .quality-card:hover{border-color:rgba(255,255,255,.2);transform:translateY(-2px)}
.quality-grid .quality-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;border-radius:var(--radius) 0 0 var(--radius)}
.quality-grid .quality-card.ndt::before{background:linear-gradient(180deg, #ff6a00, #e55a00)}
.quality-grid .quality-card.pressure::before{background:linear-gradient(180deg, #2bb3ff, #1a9de8)}
.quality-grid .quality-card.flow::before{background:linear-gradient(180deg, #22c997, #1aa87a)}
.quality-grid .quality-card .quality-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}
.quality-grid .quality-card.ndt .quality-icon{background:rgba(255,106,0,.2);color:#ff8c42}
.quality-grid .quality-card.pressure .quality-icon{background:rgba(43,179,255,.2);color:#5bc4ff}
.quality-grid .quality-card.flow .quality-icon{background:rgba(34,201,151,.2);color:#3dd9a8}
.quality-grid .quality-card .small{margin-bottom:4px}
.quality-grid .quality-card .big{font-size:22px;margin-top:0}
.quality-grid .quality-card .desc{margin-top:10px;font-size:14px}
@media (max-width:900px){.quality-grid{grid-template-columns:1fr}}

.quality-block{position:relative;background:rgba(16,16,16,.85);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:26px 28px 26px 32px;margin-top:20px;border-left:4px solid var(--accent)}
.quality-block.ndt{border-left-color:#ff6a00}
.quality-block.pressure{border-left-color:#2bb3ff}
.quality-block.trace{border-left-color:#22c997}
.quality-block.equip{border-left-color:rgba(255,255,255,.35)}
.quality-block .block-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.quality-block .block-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;letter-spacing:.5px;flex-shrink:0}
.quality-block.ndt .block-icon{background:rgba(255,106,0,.18);color:#ff8c42}
.quality-block.pressure .block-icon{background:rgba(43,179,255,.18);color:#5bc4ff}
.quality-block.trace .block-icon{background:rgba(34,201,151,.18);color:#3dd9a8}
.quality-block.equip .block-icon{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.quality-block .block-title{font-size:24px;font-weight:900;letter-spacing:.3px;margin:0}
.quality-block .desc,.quality-block p{color:var(--muted);line-height:1.7;margin:0 0 12px}
.quality-block .desc:last-child,.quality-block p:last-child{margin-bottom:0}
.quality-block .equipment-list{margin-top:12px}
.quality-img-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.quality-img-grid img{border-radius:16px;border:1px solid rgba(255,255,255,.1);width:100%;display:block}
@media (max-width:640px){.quality-img-grid{grid-template-columns:1fr}}

.footer{padding:38px 0; color:var(--muted)}
.footer .row{display:flex; gap:16px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap}
.mini{font-size:12px; color:rgba(255,255,255,.55)}

/* 法兰页最后一张海报：限制放大、提升显示清晰度 */
/* 成品法兰区块图片：提亮、增强对比度 */
.flange-products-imgs img{border-radius:16px; border:1px solid rgba(255,255,255,.08); filter:brightness(1.12) contrast(1.1);}
.flange-poster-wrap{max-width:960px; margin:0 auto}
.flange-poster-wrap img{width:100%; height:auto; border-radius:16px; border:1px solid rgba(255,255,255,.08); filter:contrast(1.06) saturate(1.04); image-rendering:auto; backface-visibility:hidden; transform:translateZ(0)}

.poster-grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.poster-grid a{position:relative; border-radius:18px; overflow:hidden; border:1px solid rgba(255,255,255,.10)}
.poster-grid img{height:220px; width:100%; object-fit:cover; filter:contrast(1.05)}
.poster-grid .cap{position:absolute; left:12px; bottom:10px; right:12px; font-size:12px; color:rgba(255,255,255,.86); background:rgba(0,0,0,.45); border:1px solid rgba(255,255,255,.10); border-radius:14px; padding:8px 10px}
@media (max-width: 980px){ .poster-grid{grid-template-columns:1fr} .poster-grid img{height:240px} }

.lightbox{position:fixed; inset:0; background:rgba(0,0,0,.84); display:none; align-items:center; justify-content:center; z-index:999}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1120px, 92vw); max-height: 90vh; border-radius:18px; border:1px solid rgba(255,255,255,.12); box-shadow: var(--shadow)}
.lightbox .close{position:absolute; top:18px; right:18px; padding:10px 12px; border-radius:12px; border:1px solid rgba(255,255,255,.18); background:rgba(0,0,0,.35); color:var(--text); cursor:pointer}
/* --- V2-style split hero (cold valves / warm flanges) --- */
.hero.hero-split{position:relative;overflow:hidden}
.hero.hero-split .hero-bg{display:none}
.hero.hero-split .hero-split__bg{position:absolute;inset:0;z-index:0}
.hero.hero-split .hero-inner{position:relative;z-index:1}
.hero.hero-split .hero-split__bg::before,
.hero.hero-split .hero-split__bg::after{
  content:"";
  position:absolute;
  inset:-2px;
  background-size:cover;
  background-position:center;
  filter:saturate(1.05) contrast(1.05);
}
.hero.hero-split .hero-split__bg::before{
  background-image:url('../images/hero/valve-hero.jpg');
  clip-path:polygon(0 0, 58% 0, 46% 100%, 0 100%);
}
.hero.hero-split .hero-split__bg::after{
  background-image:url('../images/hero/flange-hero.jpg');
  clip-path:polygon(54% 0, 100% 0, 100% 100%, 42% 100%);
}
.hero.hero-split .hero-split__bg{
  background:radial-gradient(1200px 600px at 20% 15%, rgba(100,160,255,.16), transparent 60%),
             radial-gradient(1100px 700px at 78% 18%, rgba(255,160,90,.12), transparent 62%),
             linear-gradient(90deg, rgba(0,10,30,.75), rgba(10,10,10,.62), rgba(25,10,0,.70));
}
.hero.hero-split::after{
  content:"";
  position:absolute;
  top:-20%;
  left:50%;
  width:2px;
  height:140%;
  transform:rotate(12deg);
  background:linear-gradient(to bottom, transparent, rgba(255,255,255,.22), transparent);
  opacity:.8;
  z-index:0;
}
@media (max-width:900px){
  .hero.hero-split .hero-split__bg::before{clip-path:polygon(0 0, 100% 0, 100% 55%, 0 68%)}
  .hero.hero-split .hero-split__bg::after{clip-path:polygon(0 48%, 100% 35%, 100% 100%, 0 100%)}
  .hero.hero-split::after{display:none}
}

/* --- Hero 4 图动态轮播 --- */
.hero.hero-slideshow-wrap{position:relative;overflow:hidden}
.hero.hero-slideshow-wrap::before,
.hero.hero-slideshow-wrap::after{display:none}
.hero-slideshow{position:absolute;inset:0;z-index:0}
.hero-slide{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  filter:saturate(1.05) contrast(1.05);
  opacity:0;
  transition:opacity 1.2s ease;
}
.hero-slide.active{opacity:1;z-index:1}
.hero-slideshow-overlay{
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(135deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,.38) 70%);
  pointer-events:none;
}
.hero.hero-slideshow-wrap .hero-inner{position:relative;z-index:2}

/* --- About 页面版式 --- */
.page-hero{
  padding:56px 0 44px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.page-hero .container{display:flex;flex-direction:column;gap:10px}
.page-hero h1{margin:0;font-size:var(--h1);letter-spacing:.6px;font-weight:900;text-transform:uppercase}
.page-hero .lead{margin:0;color:var(--muted);font-size:17px;max-width:640px}
.about-brand-block{
  display:inline-flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding:14px 18px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(16,16,16,.6);margin-bottom:28px;
}
.about-brand-block .brand-name{font-weight:800;font-size:20px;letter-spacing:.4px}
.about-brand-block .brand-legal{font-size:13px;color:var(--muted)}
.about-facts{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px
}
.about-facts .pill{font-size:13px;padding:10px 14px}
.about-prose-block{
  background:rgba(16,16,16,.5);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:28px 32px;margin-bottom:32px;
}
.about-prose-block .about-prose{max-width:none}
.about-prose-block .about-prose p:first-child{margin-top:0}
.about-focus .card{padding:22px}
.about-focus .card .small{margin-bottom:6px}
.about-focus .card .big{font-size:22px;margin-top:4px}
.about-focus .card .desc{margin-top:12px;font-size:14px;line-height:1.6}
.about-cta{margin-top:24px}
/* About 页：产品图低透明度背景 */
.about-page{position:relative;overflow:hidden}
.about-page-bg{
  position:absolute;
  inset:0;
  z-index:0;
  background-image:url('../images/hero/valve-hero.jpg');
  background-size:cover;
  background-position:center;
  opacity:0.07;
  pointer-events:none;
}
.about-page .container{position:relative;z-index:1}
@media (max-width:640px){
  .page-hero{padding:40px 0 32px}
  .about-prose-block{padding:20px 22px}
}

/* --- Contact 联系板块：名片深色风格，无白底 --- */
.contact-intro{margin-bottom:28px}
.contact-people{display:flex;flex-direction:column;gap:24px;margin-top:24px}
.contact-person{
  background:rgba(16,16,16,.85);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  padding:32px 36px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 40px;
  align-items:start;
  box-shadow:0 4px 20px rgba(0,0,0,.3);
  color:rgba(255,255,255,.9);
}
.contact-person .person-left{}
.contact-person .person-name{font-size:28px;font-weight:800;letter-spacing:.02em;color:#fff;margin:0 0 4px;font-family:Georgia,serif}
.contact-person .person-title{font-size:14px;color:#5bc4be;font-weight:600;margin-bottom:20px;letter-spacing:.02em}
.contact-person .person-company{font-size:16px;font-weight:800;color:rgba(255,255,255,.95);margin-bottom:8px;text-align:right;letter-spacing:.02em}
.contact-person .person-address{font-size:13px;color:var(--muted);line-height:1.65;margin:0;text-align:right}
.contact-person .person-right{
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:flex-end;
  justify-content:flex-start;
}
.contact-person .social-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.contact-person .social-link{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:13px;text-decoration:none;font-weight:700;
  transition:background .2s ease
}
.contact-person .social-link:hover{background:rgba(43,179,255,.5);color:#fff}
.contact-person .contact-line{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;justify-content:flex-end;font-size:14px;color:var(--muted)}
.contact-person .contact-line .social-row{margin-right:6px}
.contact-person .contact-line a{color:rgba(255,255,255,.85);text-decoration:none}
.contact-person .contact-line a:hover{color:#5bc4be;text-decoration:underline}
.contact-person .contact-meta .sep{margin:0 8px;color:rgba(255,255,255,.4);font-weight:300}
.contact-person .contact-meta{font-size:14px;color:var(--muted)}
.contact-person .contact-meta a{color:rgba(255,255,255,.85);text-decoration:none}
.contact-person .contact-meta a:hover{color:#5bc4be;text-decoration:underline}
@media (max-width:780px){
  .contact-person{grid-template-columns:1fr;gap:20px;padding:24px 22px}
  .contact-person .person-company,.contact-person .person-address{text-align:left}
  .contact-person .person-right{align-items:flex-start}
  .contact-person .contact-line{justify-content:flex-start}
}

.contact-products{
  margin-top:32px;
  background:linear-gradient(160deg, #0d2840 0%, #0a1e32 50%, #071828 100%);
  border:1px solid rgba(43,179,255,.18);
  border-radius:var(--radius);
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(260px, 1fr) 1.4fr;
  gap:0;
  min-height:320px;
  box-shadow:var(--shadow)
}
.contact-products .products-left{padding:32px 36px;display:flex;flex-direction:column;gap:20px}
.contact-products .products-logo{font-size:28px;font-weight:900;letter-spacing:.5px;color:#fff}
.contact-products .products-logo .tm{font-size:12px;vertical-align:super;opacity:.8}
.contact-products .products-list{list-style:none;margin:0;padding:0}
.contact-products .products-list li{
  font-size:15px;color:#4db8b0;line-height:2;font-weight:500
}
.contact-products .products-list li.valve-item{color:#5bc4be;font-weight:700}
.contact-products .products-right{
  min-height:280px;
  background:center/cover no-repeat;
  background-color:#0a1e32
}
.contact-products .products-right img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:900px){
  .contact-products{grid-template-columns:1fr}
  .contact-products .products-right{min-height:260px}
}

/* Contact 页：与全站一致的深色背景，名片与左侧区块同色、无白底 */
.section.contact-page{background:linear-gradient(180deg, transparent, rgba(255,255,255,.01));border-bottom:1px solid var(--line)}
.contact-page .contact-person{
  background:rgba(10,30,50,.92);
  border-color:rgba(43,179,255,.2);
}
.contact-page .card.business-card,
.contact-page .card{background:rgba(16,16,16,.85);border-color:rgba(255,255,255,.12)}
.contact-products .products-right{background:#0a1e32}

/* ========== 移动端自适应 ========== */
body{overflow-x:hidden}
/* 顶部栏：小屏换行 + 导航横向滚动 */
@media (max-width: 900px){
  .topbar-inner{flex-wrap:wrap; padding:14px 0; gap:12px}
  .brand img{width:56px; height:56px; padding:6px}
  .brand .name{font-size:18px}
  .brand .tag{font-size:12px}
  .nav{width:100%; order:3; justify-content:flex-start; overflow-x:auto; -webkit-overflow-scrolling:touch; padding:8px 0 4px; gap:12px; flex-wrap:nowrap; margin:0 -22px 0; padding-left:22px; padding-right:22px}
  .nav a{font-size:13px; white-space:nowrap; padding:6px 0; min-height:44px; display:inline-flex; align-items:center}
  .lang{order:2; margin-left:auto}
  .lang a{padding:8px 12px; min-height:36px; display:inline-flex; align-items:center; justify-content:center}
}
@media (max-width: 640px){
  .container{padding-left:16px; padding-right:16px}
  .topbar-inner .nav{margin-left:-16px; margin-right:-16px; padding-left:16px; padding-right:16px}
  .hero{min-height:72vh}
  .hero .hero-inner{padding:48px 0 40px}
  .section{padding:40px 0}
  .section.alt{padding:40px 0}
  h1{font-size:clamp(26px, 7vw, 42px)}
  .sub{font-size:15px}
  .cta-row{gap:10px; margin-top:18px}
  .btn{padding:14px 18px; min-height:48px; font-size:15px}
  .card .big{font-size:22px}
  .kpi{font-size:28px}
  .page-hero{padding:40px 0 28px}
  .page-hero h1{font-size:clamp(24px, 6vw, 38px)}
  .footer{padding:28px 0}
  .footer .row{gap:20px}
}
/* 表格小屏横向滚动 */
.table-wrap{overflow-x:auto; -webkit-overflow-scrolling:touch; margin:0 -16px; padding:0 16px}
@media (min-width: 641px){ .table-wrap{margin:0; padding:0} }
.table{min-width:480px}
/* 触控友好 */
@media (max-width: 900px){
  .btn{min-height:44px}
  .pill{min-height:40px; padding:10px 14px}
}