:root{--blue:#15365c;--blue2:#1f6fb2;--accent:#ff7a18;--bg:#f6f8fb;--line:#e2e8f0;--txt:#1f2937;}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--txt);background:var(--bg);line-height:1.6}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
a{color:var(--blue2);text-decoration:none}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 26px;border-radius:6px;font-weight:600}
.btn:hover{opacity:.9}
.btn.ghost{background:transparent;color:#fff;border:1px solid #fff}
.site-header{background:var(--blue);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px;flex-wrap:wrap}
.logo{color:#fff;font-weight:800;font-size:20px}
.logo span{color:var(--accent)}
.nav nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav nav a{color:#dce6f2;font-weight:500}
.nav nav a.active,.nav nav a:hover{color:#fff}
.lang{display:flex;gap:4px;margin-left:6px}
.lang button{background:#0f2742;color:#cdd9e6;border:1px solid #294b73;padding:5px 9px;border-radius:5px;cursor:pointer;font-size:12px}
.lang button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:24px}
.hero{position:relative;min-height:460px;display:flex;align-items:center;color:#fff;overflow:hidden;
  background:
    radial-gradient(120% 140% at 88% -25%, rgba(255,138,0,.22), transparent 50%),
    radial-gradient(90% 130% at -8% 120%, rgba(0,200,220,.45), transparent 55%),
    linear-gradient(118deg, #155a9c 0%, #1e88e5 55%, #42a5f5 100%);}
.hero-deco{position:absolute;right:-110px;top:-120px;width:430px;height:430px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%, rgba(255,255,255,.12), rgba(255,255,255,0) 60%);
  border:1px solid rgba(255,255,255,.14);pointer-events:none}
.hero-deco::after{content:"";position:absolute;right:95px;bottom:-95px;width:250px;height:250px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12)}
.hero .wrap{position:relative;z-index:2;max-width:760px}
.eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
  color:#ffe2c2;font-size:13px;letter-spacing:1.5px;padding:6px 14px;border-radius:30px;margin-bottom:18px;font-weight:600}
.hero h1{color:#fff;font-size:40px;margin-bottom:16px;text-shadow:0 2px 16px rgba(0,0,0,.22);line-height:1.25}
.hero p{color:#fff}
.hero p{font-size:18px;margin-bottom:26px;opacity:.96;max-width:620px;line-height:1.7}
.hero .btn{margin-right:12px}
.stats{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;margin-top:-34px;position:relative;z-index:5}
.stats div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 22px;flex:1;min-width:140px;text-align:center;box-shadow:0 6px 20px rgba(20,40,80,.06)}
.stats b{display:block;font-size:26px;color:var(--blue)}
.stats span{font-size:13px;color:#64748b}
.block{padding:54px 20px}
h1{font-size:30px;margin-bottom:10px;color:var(--blue)}
h2{font-size:22px;margin:30px 0 14px;color:var(--blue)}
.lead{color:#475569;margin-bottom:22px;max-width:760px}
.folder{display:inline-block;background:#eef4fb;color:#64748b;font-size:12px;padding:2px 9px;border-radius:4px;margin:4px 0 8px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s;display:block}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,40,80,.12)}
.cat-img{height:170px;background-size:cover;background-position:center;background-color:#eef2f7}
.cat-body{padding:14px 16px}
.cat-body h3{font-size:17px;color:var(--blue)}
.cat-body .en{font-size:12.5px;color:#64748b;margin:2px 0 8px}
.count{display:inline-block;background:#eef4fb;color:var(--blue2);font-size:12px;padding:3px 10px;border-radius:20px}
.why-grid,.about-grid{display:grid;gap:20px}
.why-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.why-card img,.about-grid img{width:100%;border-radius:12px;aspect-ratio:16/10;object-fit:cover}
.why-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.why-card h3{color:var(--blue);margin:10px 0 6px}
.why-card p{font-size:14px;color:#475569}
.cta{background:var(--blue);color:#fff;text-align:center;border-radius:14px;padding:40px 20px}
.cta h2{color:#fff}.cta p{opacity:.9;margin-bottom:18px}
/* 产品详情页底部行动区（深色行动条：文字与按钮对比度充足） */
.pdp-cta{position:relative;overflow:hidden;margin-top:40px;border-radius:16px;padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(118deg,#15365c 0%,#1c4a79 52%,#1f6fb2 100%);
  box-shadow:0 16px 36px rgba(15,34,56,.18)}
.pdp-cta::before{content:"";position:absolute;right:-90px;top:-150px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(255,122,24,.26),rgba(255,122,24,0) 60%);pointer-events:none}
.pdp-cta::after{content:"";position:absolute;right:60px;bottom:-140px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);pointer-events:none}
.pdp-cta-txt{position:relative;z-index:2;max-width:600px}
.pdp-cta-eyebrow{display:block;font-size:11.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:#ffc492;margin-bottom:10px}
.pdp-cta h2{color:#fff;font-size:23px;line-height:1.35;margin:0 0 10px}
.pdp-cta p{color:#c9dcf0;font-size:14.5px;line-height:1.75;margin:0;opacity:1}
.pdp-cta-act{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.pdp-cta .btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 30px;border-radius:8px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:.18s;
  box-shadow:0 8px 20px rgba(255,122,24,.30)}
.pdp-cta .btn:hover{opacity:1;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,24,.40)}
.pdp-cta .btn.outline{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.72);
  box-shadow:none;font-weight:600}
.pdp-cta .btn.outline:hover{background:rgba(255,255,255,.20);border-color:#fff;box-shadow:none}
@media(max-width:760px){
  .pdp-cta{padding:26px 22px;gap:20px}
  .pdp-cta h2{font-size:19px}
  .pdp-cta-act{width:100%}
  .pdp-cta .btn{flex:1 1 100%;padding:14px 18px}
}
/* ---- 首页 · 公司简介 + 展厅轮播 ---- */
.co-head{max-width:780px;margin-bottom:28px}
.eyebrow2{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--blue2);background:#e6f0fa;padding:5px 13px;border-radius:20px;margin-bottom:12px}
.co-head h2{margin:0 0 10px}
.co-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:34px;align-items:center}
.showcase{position:relative;border-radius:14px;overflow:hidden;background:#0f2238;
  box-shadow:0 16px 36px rgba(15,34,56,.20)}
.sc-view{overflow:hidden}
.sc-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.sc-slide{position:relative;flex:0 0 100%;aspect-ratio:3/2;background:#0f2238}
.sc-slide img{width:100%;height:100%;object-fit:cover;display:block}
.sc-slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 18px 14px;color:#fff;
  font-size:13.5px;font-weight:500;line-height:1.5;
  background:linear-gradient(to top,rgba(6,18,32,.80),rgba(6,18,32,0))}
.sc-btn{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;
  border:0;background:rgba(10,26,44,.52);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:.18s;z-index:3}
.sc-btn:hover{background:var(--accent)}
.sc-btn.prev{left:12px}.sc-btn.next{right:12px}
.sc-dots{position:absolute;right:14px;top:14px;display:flex;gap:7px;align-items:center;
  background:rgba(10,26,44,.62);padding:7px 9px;border-radius:20px;z-index:3;box-shadow:0 2px 10px rgba(0,0,0,.28)}
.sc-dots button{width:7px;height:7px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.45);
  cursor:pointer;transition:.2s}
.sc-dots button.on{background:var(--accent);width:18px;border-radius:4px}
.co-text p{font-size:14.5px;color:#475569;line-height:1.9;margin-bottom:13px}
.co-text p:last-of-type{margin-bottom:16px}
.co-more{display:inline-block;font-weight:700;font-size:14.5px;color:var(--blue2);
  border-bottom:2px solid rgba(31,111,178,.22);padding-bottom:2px}
.co-more:hover{border-color:var(--blue2)}
.co-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:14px;margin-top:36px}
.co-stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 14px;text-align:center;
  box-shadow:0 6px 18px rgba(20,40,80,.05)}
.co-stat b{display:block;font-size:23px;line-height:1.25;color:var(--blue);font-weight:800}
.co-stat span{font-size:12.5px;color:#64748b;line-height:1.4;display:block;margin-top:2px}
@media(max-width:900px){.co-grid{grid-template-columns:1fr;gap:26px}.sc-btn{display:none}}
@media(max-width:720px){.co-stat b{font-size:20px}.co-head h2{font-size:20px}}
/* ---- 联系页：直达联系方式 + 二维码 ---- */
.reach-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:6px 0 4px}
.reach-card{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:16px 18px;transition:.18s;color:var(--txt)}
.reach-card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(20,40,80,.10);border-color:#cfe0f2}
.reach-ico{flex:0 0 42px;width:42px;height:42px;border-radius:10px;display:grid;place-items:center;color:#fff;background:var(--blue2)}
.reach-ico.wa{background:#25d366}
.reach-ico.tt{background:#111318}
.reach-ico.ml{background:var(--blue)}
.reach-body{flex:1;min-width:0}
.reach-k{display:block;font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:#7c8ba1}
.reach-v{display:block;font-size:14.5px;font-weight:700;color:var(--blue);word-break:break-all;line-height:1.45}
.reach-arw{flex:0 0 auto;color:#c3d0de;transition:.18s}
.reach-card:hover .reach-arw{color:var(--accent);transform:translateX(2px)}
.qr-row{display:flex;gap:18px;flex-wrap:wrap;margin:6px 0 4px}
.qr-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;width:224px;
  box-shadow:0 6px 18px rgba(20,40,80,.05)}
.qr-card img{width:100%;height:auto;display:block;border-radius:6px}
.qr-card figcaption{margin-top:10px;font-size:13px;color:#475569;font-weight:600;text-align:center}
.foot-contacts{list-style:none;margin:0;padding:0}
.foot-contacts li{margin-bottom:10px;font-size:13.5px;line-height:1.5}
.fc-k{display:block;font-size:10.5px;letter-spacing:.9px;text-transform:uppercase;color:#7e93a8;font-weight:700}
@media(max-width:560px){.qr-card{width:calc(50% - 9px);padding:12px}}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:10px}
.g-item{display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.g-item img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.g-item:hover{outline:2px solid var(--accent)}
.models code{display:inline-block;background:#eef4fb;color:var(--blue);padding:3px 9px;border-radius:5px;margin:0 5px 6px 0;font-size:13px}
table.spec{width:100%;border-collapse:collapse;max-width:620px;margin-top:8px}
table.spec th,table.spec td{border:1px solid var(--line);padding:10px 14px;text-align:left;font-size:14px}
table.spec th{background:#f1f5fb;width:46%;color:var(--blue)}
.note{font-size:13px;color:#94a3b8;margin-top:10px}
.bullet{margin:10px 0 0 20px;color:#334155}
.bullet li{margin:6px 0}
.cform{max-width:560px;display:grid;gap:14px;margin-top:10px}
.cform label{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 6px;font-weight:600;font-size:14px}
.cform label input,.cform label select,.cform label textarea{flex:1 0 100%;margin-top:4px}
.cform input,.cform select,.cform textarea{border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit}
.form-status{margin:4px 0 0;font-size:14px;font-weight:600;min-height:1.2em}
.form-status.sending{color:#1565c0}
.form-status.ok{color:#1f9d55}
.form-status.err{color:#e0533d}
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.cert-grid figure{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.cert-grid img{width:100%;display:block}
.cert-grid figcaption{padding:10px 14px;font-size:13px;color:#475569}
.crumb{font-size:13px;color:#64748b;margin-bottom:8px}
.crumb a{color:var(--blue2)}
.site-footer{background:#0f2238;color:#cdd9e6;margin-top:30px}
.foot{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;padding:40px 20px}
.foot h4{color:#fff;margin-bottom:10px}
.foot a{color:#9fc3e8}
.copy{text-align:center;padding:16px;border-top:1px solid #1c3a5c;font-size:12.5px;color:#8aa0b6;background:#0b1a2c}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:100}
.lightbox img{max-width:92%;max-height:88%}
.lightbox.show{display:flex}
@media(max-width:720px){.nav nav{position:absolute;top:62px;left:0;right:0;background:var(--blue);flex-direction:column;padding:10px 20px;gap:10px;display:none}.nav nav.open{display:flex}.nav-toggle{display:block}.hero h1{font-size:26px}.lang{margin:6px 0 0}}