/* ===== 基础与变量 ===== */
:root{
  --brand:#2B63F6;
  --brand-dark:#1E4ED8;
  --brand-deep:#12307E;
  --navy:#0A1B3D;
  --sky:#18A6F0;
  --ink:#101828;
  --muted:#5B6B8C;
  --line:#E4EAF5;
  --bg:#FFFFFF;
  --bg-alt:#F5F7FB;
  --radius:14px;
  --shadow:0 10px 34px rgba(16,24,40,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 6px 24px rgba(16,24,40,.08);border-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.nav-logo img{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:15px;font-weight:500;color:#3A4660;position:relative;padding:6px 0;white-space:nowrap;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--sky));transition:width .25s}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.lang-btn{font-family:inherit;font-size:14px;font-weight:600;color:var(--brand);background:linear-gradient(135deg,rgba(43,99,246,.08),rgba(24,166,240,.08));border:1px solid rgba(43,99,246,.35);padding:6px 16px;border-radius:999px;cursor:pointer;transition:all .25s}
.lang-btn:hover{background:linear-gradient(135deg,var(--brand),var(--sky));color:#fff;border-color:transparent}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 首屏 Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden;padding:120px 24px 90px}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse 70% 55% at 72% 18%,rgba(24,166,240,.28),transparent 62%),
    radial-gradient(ellipse 60% 50% at 20% 85%,rgba(43,99,246,.30),transparent 60%),
    linear-gradient(140deg,#081129 0%,#0A1B3D 46%,#12307E 100%);
}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%)}
.hero-deco{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none;color:rgba(255,255,255,.09)}
.hero-ring{position:absolute;fill:none;stroke:currentColor;stroke-width:.6}
.ring1{width:520px;height:520px;top:-120px;right:-140px;opacity:.5;animation:spin 90s linear infinite}
.ring2{width:360px;height:360px;bottom:-90px;left:-100px;opacity:.35;animation:spin 70s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.snowflake{position:absolute;fill:none;stroke:currentColor;stroke-width:1;opacity:.7;animation:float 9s ease-in-out infinite}
.sf1{width:96px;height:96px;top:16%;left:7%}
.sf2{width:64px;height:64px;top:24%;right:11%;animation-delay:1.6s}
.sf3{width:44px;height:44px;bottom:22%;left:16%;animation-delay:3s}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(18deg)}}
.drone-line{position:absolute;width:460px;height:auto;left:-40px;bottom:110px;opacity:.75;stroke-dasharray:6 10;animation:dash 16s linear infinite}
@keyframes dash{to{stroke-dashoffset:-220}}
.hero-inner{position:relative;z-index:1;max-width:920px}
.hero-logo{margin-bottom:26px;display:flex;justify-content:center}
.hero-logo img{height:64px;width:auto}
.hero-tag{font-size:13px;letter-spacing:.42em;color:rgba(255,255,255,.72);margin-bottom:22px;text-transform:uppercase}
.hero-title{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800;letter-spacing:.03em;line-height:1.25;margin-bottom:24px;background:linear-gradient(120deg,#fff 30%,#9CC0FF 70%,#6FA8FF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
html[lang="en"] .hero-title{font-size:clamp(1.9rem,4.6vw,3.3rem);letter-spacing:.02em}
.hero-sub{font-size:clamp(1rem,1.6vw,1.15rem);color:rgba(255,255,255,.82);max-width:700px;margin:0 auto 38px}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:15px;font-weight:600;padding:13px 34px;border-radius:999px;transition:all .28s;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--sky));color:#fff;box-shadow:0 10px 26px rgba(43,99,246,.38)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(43,99,246,.5)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:1;width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px;display:flex;justify-content:center;padding-top:7px}
.hero-scroll span{width:4px;height:8px;border-radius:2px;background:rgba(255,255,255,.75);animation:scroll 1.8s infinite}
@keyframes scroll{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ===== 通用栏目 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;margin-bottom:56px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.34em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:800;letter-spacing:.02em;position:relative;display:inline-block;padding-bottom:16px}
.section-head h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--sky))}
.section-sub{max-width:660px;margin:14px auto 0;color:var(--muted);font-size:15px}

/* ===== 公司概况 ===== */
.about-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:56px;align-items:center}
.about-text p{color:#3A4660;margin-bottom:18px;font-size:15.5px}
.about-text p:last-child{margin-bottom:0}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:center}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;text-align:left;box-shadow:0 6px 20px rgba(16,24,40,.05);transition:transform .3s,box-shadow .3s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-num{font-size:clamp(1.6rem,2.6vw,2rem);font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num span{font-size:.62em;color:var(--ink);font-weight:700;margin-left:2px}
.stat-label{font-size:12.5px;line-height:1.5;color:var(--muted);margin-top:6px}
.stat-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.stat-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;flex:none;color:var(--brand);background:linear-gradient(135deg,rgba(43,99,246,.1),rgba(24,166,240,.16));border:1px solid rgba(43,99,246,.18)}
.stat-icon svg{width:17px;height:17px}
.stat-title{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.02em;line-height:1.3}

/* ===== 产品 ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p-group{grid-column:1/-1;text-align:center;padding:14px 0 4px}
.p-group-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand);background:rgba(43,99,246,.08);border:1px solid rgba(43,99,246,.22);padding:3px 14px;border-radius:999px}
.p-group-title{font-size:clamp(1.3rem,2vw,1.6rem);font-weight:800;margin:14px 0 6px;position:relative;display:inline-block;padding-bottom:12px}
.p-group-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:44px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--sky))}
.p-group-sub{color:var(--muted);font-size:14px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 24px;box-shadow:0 6px 20px rgba(16,24,40,.04);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--sky));opacity:0;transition:opacity .3s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(43,99,246,.25)}
.product-card:hover::before{opacity:1}
.product-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}
.p-icon{width:46px;height:46px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--sky));box-shadow:0 8px 18px rgba(43,99,246,.3)}
.p-icon svg{width:24px;height:24px}
.product-card.trad .p-icon{background:linear-gradient(135deg,#8FA0BD,#B6C1D6);box-shadow:0 8px 18px rgba(93,110,140,.24)}
.model{flex:none;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand);background:rgba(43,99,246,.09);border:1px solid rgba(43,99,246,.22);padding:3px 10px;border-radius:999px;font-variant-numeric:tabular-nums}
.product-card.trad .model{color:#5E6E8C;background:rgba(120,135,165,.1);border-color:rgba(120,135,165,.25)}
.product-card h3{font-size:17.5px;font-weight:700;line-height:1.4;margin-bottom:10px}
.product-desc{font-size:13.5px;color:var(--muted);margin-bottom:18px;flex:1}
.specs{display:flex;flex-direction:column;gap:0;border-top:1px dashed var(--line);padding-top:14px}
.specs div{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px solid rgba(228,234,245,.7);font-size:13.5px}
.specs div:last-child{border-bottom:none}
.specs dt{color:var(--muted);flex:none}
.specs dd{font-weight:600;text-align:right;font-variant-numeric:tabular-nums}

/* 宽幅定制产品卡 */
.product-card.wide{grid-column:1/-1;display:flex;align-items:flex-start;gap:40px;padding:32px 36px}
.product-card.wide::before{background:linear-gradient(90deg,var(--sky),var(--brand))}
.product-card.wide .product-top{flex:0 0 260px;flex-direction:column;align-items:flex-start;gap:16px;margin:0}
.product-card.wide .p-icon{width:56px;height:56px;border-radius:14px}
.product-card.wide .p-icon svg{width:30px;height:30px}
.wide-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.product-card.wide h3{font-size:20px;margin:0}
.product-card.wide .wide-body{flex:1;min-width:0}
.product-card.wide .product-desc{font-size:14px;margin-bottom:16px}
.product-card.wide .specs{display:grid;grid-template-columns:1fr 1fr;gap:2px 26px;border-top:none;padding-top:0}
.product-card.wide .specs div{border-bottom:none;padding:6px 0;border-bottom:1px solid rgba(228,234,245,.7)}
.product-card.wide .specs div:nth-last-child(-n+2){border-bottom:none}
/* ===== 行业应用 ===== */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:0 6px 20px rgba(16,24,40,.04);transition:transform .3s,box-shadow .3s}
.app-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.app-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--sky));margin-bottom:20px;box-shadow:0 8px 18px rgba(43,99,246,.3)}
.app-icon svg{width:28px;height:28px}
.app-card h3{font-size:18px;font-weight:700;margin-bottom:12px}
.app-desc{font-size:14px;color:var(--muted);margin-bottom:18px}
.app-points li{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;color:#3A4660;padding:8px 0;border-top:1px dashed var(--line)}
.app-points li:first-child{border-top:none}
.app-points b{flex:none;min-width:34px;text-align:center;font-size:12px;font-weight:700;color:var(--brand);background:rgba(43,99,246,.08);border-radius:999px;padding:2px 8px;margin-top:2px}

/* ===== 合作优势 ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px 30px;text-align:center;box-shadow:0 6px 20px rgba(16,24,40,.04);transition:transform .3s,box-shadow .3s}
.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.adv-icon{width:58px;height:58px;margin:0 auto 18px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--sky));box-shadow:0 10px 22px rgba(43,99,246,.3)}
.adv-icon svg{width:28px;height:28px}
.adv-card h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.adv-card p{font-size:14px;color:var(--muted)}

/* ===== 合作流程 ===== */
.process-list{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative}
.process-list::before{content:"";position:absolute;top:29px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--brand),var(--sky));opacity:.35}
.process-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px 24px;text-align:center;box-shadow:0 6px 20px rgba(16,24,40,.04);transition:transform .3s,box-shadow .3s}
.process-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--sky));color:#fff;font-size:16px;font-weight:800;letter-spacing:.03em;box-shadow:0 8px 18px rgba(43,99,246,.3);margin-bottom:16px;font-variant-numeric:tabular-nums}
.process-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.process-item p{font-size:13px;color:var(--muted)}

/* ===== 应用案例 ===== */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 6px 20px rgba(16,24,40,.05)}
.case-item img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease}
.case-item:hover img{transform:scale(1.05)}
.case-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:52px 24px 20px;background:linear-gradient(transparent,rgba(8,17,41,.82));color:#fff;display:flex;flex-direction:column;gap:2px}
.case-item figcaption span{font-size:15px;font-weight:700;letter-spacing:.04em}
.case-item figcaption small{font-size:13px;color:rgba(255,255,255,.78)}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;text-align:center;box-shadow:0 6px 20px rgba(16,24,40,.04);transition:transform .3s,box-shadow .3s}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.contact-icon{width:50px;height:50px;margin:0 auto 16px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--brand);background:rgba(43,99,246,.09);border:1px solid rgba(43,99,246,.18)}
.contact-icon svg{width:24px;height:24px}
.contact-card h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.contact-card p{font-size:13.5px;color:var(--muted);word-break:break-word}
.contact-card a{color:var(--brand);font-weight:600;transition:color .2s}
.contact-card a:hover{color:var(--brand-deep)}

/* ===== 页脚 ===== */
.footer{background:linear-gradient(150deg,#081129,#0A1B3D 55%,#12307E);color:#fff;padding:56px 0 40px;text-align:center}
.footer-logo{height:52px;width:auto;margin:0 auto 18px}
.footer-slogan{font-size:15px;font-weight:600;letter-spacing:.14em;color:rgba(255,255,255,.92);margin-bottom:10px}
.footer-copy{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}
.footer-icp{color:rgba(255,255,255,.6);text-decoration:none;transition:color .25s}
.footer-icp:hover{color:#fff;text-decoration:underline}
.footer-beian{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 12px}
.footer-beian-sep{color:rgba(255,255,255,.3)}
.footer-icp-police{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.footer-police-icon{height:18px;width:auto;flex:none;display:block}

/* ===== 入场动画 ===== */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}.hero-scroll span,.snowflake,.drone-line{animation:none}}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .nav-links{gap:18px}
}
@media (max-width:1024px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .process-list{grid-template-columns:repeat(3,1fr)}
  .process-list::before{display:none}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 18px;box-shadow:0 18px 30px rgba(16,24,40,.12);display:none;border-top:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 4px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .hamburger{display:flex}
}
@media (max-width:860px){
  .product-card.wide{flex-direction:column;gap:24px;padding:26px 24px}
  .product-card.wide .product-top{flex:none;width:100%}
  .product-card.wide .product-desc{margin-bottom:0}
}
@media (max-width:768px){
  .section{padding:72px 0}
  .nav-inner{height:64px}
  .nav-links{top:64px}
  .hero{min-height:92vh}
  .hero-logo img{height:52px}
  .case-item img{height:250px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .product-grid,.app-grid,.case-grid{grid-template-columns:1fr}
  .adv-grid,.contact-grid{grid-template-columns:1fr 1fr}
  .process-list{grid-template-columns:1fr 1fr}
  .product-card.wide .specs{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;max-width:300px}
  .about-stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:15px 13px}
  .stat-head{gap:8px}
  .stat-icon{width:30px;height:30px;border-radius:9px}
  .stat-icon svg{width:15px;height:15px}
  .stat-title{font-size:14px}
  .stat-label{font-size:12px;line-height:1.5}
}
@media (max-width:400px){
  .process-list{grid-template-columns:1fr}
  .adv-grid,.contact-grid{grid-template-columns:1fr}
}
/* ===== 产品区新版式 v2 ===== */
.product-grid{gap:22px}
.product-card{padding:0;overflow:hidden;border-radius:16px}
.product-card::before{display:none}
.p-card-head{position:relative;display:flex;align-items:flex-start;gap:14px;padding:22px 20px 20px;color:#fff;overflow:hidden}
.p-card-head::before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.14);top:-70px;right:-50px}
.p-card-head::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.09);bottom:-62px;left:-42px}
.grad-blue{background:linear-gradient(135deg,#1E4ED8 0%,#2B63F6 48%,#18A6F0 100%)}
.grad-cyan{background:linear-gradient(135deg,#0A7FB8 0%,#12B8DE 55%,#36D8D2 100%)}
.grad-violet{background:linear-gradient(135deg,#4F46E5 0%,#2B63F6 55%,#18A6F0 100%)}
.grad-slate{background:linear-gradient(135deg,#4E5B76 0%,#6E7C99 55%,#8FA0BD 100%)}
.p-card-head .p-icon,.edic-visual .p-icon{background:rgba(255,255,255,.18);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 8px 16px rgba(6,20,60,.18);flex:none}
.p-titles{flex:1;min-width:0;position:relative;z-index:1}
.p-titles h3{color:#fff;font-size:18px;margin:2px 0 5px;line-height:1.35}
.p-tagline{color:rgba(255,255,255,.86);font-size:12.5px;font-weight:500;margin:0}
.product-card .model{position:relative;z-index:1;color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);margin-top:2px;flex:none}
.p-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:16px;flex:1;background:#fff}
.product-desc{margin:0;flex:none;color:#3A4660}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px;border-top:none;padding-top:0}
.specs div{display:flex;flex-direction:column;gap:3px;align-items:flex-start;justify-content:center;margin:0;padding:9px 12px;background:#F3F7FF;border:1px solid #E1EAFB;border-radius:10px}
.specs div:last-child{border:1px solid #E1EAFB}
.specs dt{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.03em}
.specs dd{font-size:13px;font-weight:700;color:#14213D;text-align:left}
.product-card.trad .specs div{background:#F4F6FA;border-color:#E6EAF1}
.product-card.trad .specs div:last-child{border:1px solid #E6EAF1}

/* 宽幅定制条（异形构件） */
.product-card.edic{grid-column:1/-1;display:grid;grid-template-columns:340px 1fr;gap:0;align-items:stretch}
.edic-visual{position:relative;overflow:hidden;color:#fff;padding:34px 30px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:15px;background:linear-gradient(150deg,#12307E 0%,#2B63F6 55%,#18A6F0 130%)}
.edic-visual::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.13);top:-80px;right:-70px}
.edic-visual .p-icon{width:62px;height:62px;border-radius:16px}
.edic-visual .p-icon svg{width:32px;height:32px}
.edic-visual .p-titles h3{font-size:22px}
.edic-visual .model{margin-left:0}
.edic-info{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:18px;background:#fff}
.edic-info .specs{grid-template-columns:repeat(3,1fr)}

/* 引导卡片 */
.product-card.cta{grid-column:1/-1;display:flex}
.cta-inner{display:flex;align-items:center;justify-content:center;gap:22px;padding:26px 30px;flex:1;background:linear-gradient(135deg,rgba(43,99,246,.05),rgba(24,166,240,.06));border:1px dashed rgba(43,99,246,.45);border-radius:16px}
.cta-inner .p-icon{flex:none}
.cta-text{flex:1;min-width:0}
.cta-text h3{font-size:17px;margin-bottom:4px}
.cta-text p{font-size:13.5px;color:var(--muted);margin:0}
.cta-inner .btn{flex:none}

/* 分组标题 */
.p-group{display:flex;flex-direction:column;align-items:center;gap:0;padding:8px 0 2px;margin:12px 0 4px}
.p-group-tag{color:#fff;background:linear-gradient(135deg,var(--brand),var(--sky));border:none;box-shadow:0 6px 14px rgba(43,99,246,.3);letter-spacing:.14em;padding:5px 16px}
.p-group.alt .p-group-tag{background:linear-gradient(135deg,#46536B,#5D6B85);box-shadow:0 6px 14px rgba(46,58,80,.28)}
.p-group-text{display:flex;flex-direction:column;align-items:center;margin-top:2px}
/* ===== 全局视觉增强 ===== */
.kicker{display:inline-flex;align-items:center;gap:9px;padding:5px 16px;border-radius:999px;color:var(--brand);background:linear-gradient(135deg,rgba(43,99,246,.09),rgba(24,166,240,.09));border:1px solid rgba(43,99,246,.2)}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--sky));box-shadow:0 0 0 3px rgba(43,99,246,.14)}
.section-alt{position:relative;overflow:hidden;background:linear-gradient(180deg,#F7FAFF 0%,#EAF1FE 100%)}
.section-alt::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(rgba(43,99,246,.10) 1px,transparent 1.6px);background-size:26px 26px;opacity:.32;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 90%);mask-image:linear-gradient(180deg,#000 0%,transparent 90%)}
.section-alt .container{position:relative;z-index:1}
.stat-card{position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--sky))}
.stat-card::after{content:"";position:absolute;width:96px;height:96px;border-radius:50%;right:-34px;bottom:-34px;background:radial-gradient(circle,rgba(43,99,246,.12),transparent 70%)}
.stat-card .stat-icon,.stat-card .stat-title,.stat-card .stat-label{position:relative;z-index:1}
.app-card{position:relative;overflow:hidden}
.app-card::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-46px;top:-46px;background:radial-gradient(circle,rgba(24,166,240,.08),transparent 70%)}
.adv-card{position:relative;overflow:hidden}
.adv-card::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-46px;bottom:-46px;background:radial-gradient(circle,rgba(43,99,246,.10),transparent 70%)}

/* ===== 产品区响应式 ===== */
@media (max-width:1024px){
  .product-card.edic{grid-column:auto;display:flex;flex-direction:column}
  .product-card.edic .edic-visual{padding:26px 24px}
  .product-card.edic .edic-info{padding:22px 24px 26px}
  .edic-info .specs{grid-template-columns:1fr 1fr}
  .product-card.cta{display:flex}
  .product-card.cta .cta-inner{background:linear-gradient(135deg,rgba(43,99,246,.05),rgba(24,166,240,.06));border:1px dashed rgba(43,99,246,.45);border-radius:16px}
}
@media (max-width:560px){
  .product-card.cta .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .product-card.edic .edic-info .specs{grid-template-columns:1fr}
}
@media (max-width:400px){
  .product-card .specs,.product-card.edic .specs{grid-template-columns:1fr}
}
/* ===== 板块标题中英双语 ===== */
.section-head{margin-bottom:48px}
.tt-en{margin-top:12px;font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.hero-title-en{margin:2px 0 34px;font-size:clamp(.8rem,1.6vw,1.05rem);font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.82)}
@media (max-width:560px){
  .tt-en{font-size:12px;letter-spacing:.14em}
  .hero-title-en{letter-spacing:.16em}
  .footer-beian{flex-direction:column;gap:2px}
  .footer-beian-sep{display:none}
}