:root{
  --navy:#0B2A56; --navy2:#123B73; --blue:#1473C8; --cyan:#00A6C9;
  --orange:#F39800; --green:#1E9E8C; --violet:#6D5BD0;
  --light:#EEF4FA; --light2:#F6F9FC; --ink:#233044; --muted:#5E7088;
  --line:#DCE6F1; --white:#fff;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --shadow:0 18px 45px -22px rgba(11,42,86,.28);
  --shadow-sm:0 8px 24px -14px rgba(11,42,86,.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{width:min(1200px,92%);margin:0 auto}
.serif{font-family:var(--serif)}

/* ========= 板块标题 ========= */
.sec{padding:90px 0}
.sec-head{margin-bottom:50px}
.sec-head.center{text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--blue);text-transform:uppercase}
.sec-kicker::before{content:"";width:26px;height:3px;background:var(--orange);border-radius:2px}
.sec-head.center .sec-kicker::after{content:"";width:26px;height:3px;background:var(--orange);border-radius:2px}
.sec-title{font-family:var(--serif);font-size:36px;font-weight:700;color:var(--navy);margin-top:14px;letter-spacing:1px}
.sec-sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:680px}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}

/* ========= 按钮 ========= */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 30px;border-radius:4px;font-size:15px;font-weight:700;letter-spacing:1px;transition:.3s;cursor:pointer;border:1.5px solid transparent}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 28px -10px rgba(243,152,0,.6)}
.btn-primary:hover{background:#e08b00;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-line{color:var(--blue);border-color:var(--blue)}
.btn-line:hover{background:var(--blue);color:#fff}
.btn .arr{transition:.3s}
.btn:hover .arr{transform:translateX(4px)}

/* ========= 顶部信息栏 ========= */
.topbar{background:var(--navy);color:#c6d8ef;font-size:13px;padding:8px 0}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px}
.topbar a{display:inline-flex;align-items:center;gap:7px;transition:.2s}
.topbar a:hover{color:#fff}
.topbar .t-right{display:flex;gap:26px}

/* ========= 导航 ========= */
header.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.35s}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo img{height:46px;width:auto}
.menu{display:flex;gap:4px;align-items:center}
.menu>li>a{display:block;padding:10px 15px;font-size:15px;font-weight:600;color:var(--ink);border-radius:4px;position:relative;transition:.25s}
.menu>li>a:not(.nav-cta)::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:.3s;transform-origin:left}
.menu>li>a:hover,.menu>li.active>a{color:var(--blue)}
.menu>li>a:hover::after,.menu>li.active>a::after{transform:scaleX(1)}
.nav-cta{background:var(--blue);color:#fff!important;padding:11px 24px!important;margin-left:8px}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--navy2);color:#fff!important}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2.5px;background:var(--navy);border-radius:2px;transition:.3s}

/* ========= HERO（首页） ========= */
.hero{position:relative;min-height:calc(100vh - 112px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center right}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(7,24,48,.94) 0%,rgba(9,33,66,.82) 38%,rgba(9,33,66,.35) 68%,rgba(9,33,66,.15) 100%),
  linear-gradient(0deg,rgba(7,24,48,.9) 0%,rgba(7,24,48,0) 42%)}
.hero-grid{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(90,150,220,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(90,150,220,.08) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);mask-image:linear-gradient(90deg,#000,transparent 70%)}
.hero-inner{position:relative;z-index:3;padding:90px 0 120px;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:4px;color:var(--cyan);margin-bottom:22px}
.hero-badge::before{content:"";width:34px;height:3px;background:var(--orange);border-radius:2px}
.hero h1{font-family:var(--serif);font-size:58px;line-height:1.22;font-weight:700;letter-spacing:2px;text-shadow:0 4px 30px rgba(0,0,0,.35)}
.hero h1 .hl{color:var(--cyan)}
.hero-en{font-size:15px;letter-spacing:5px;color:#8fb2dc;margin-top:18px;font-weight:600}
.hero-desc{margin-top:26px;font-size:17px;color:#d3e2f5;max-width:600px;line-height:1.9}
.hero-actions{margin-top:38px;display:flex;gap:18px;flex-wrap:wrap}
.hero-stats{position:absolute;left:0;right:0;bottom:0;z-index:4;background:linear-gradient(0deg,rgba(7,24,48,.85),rgba(7,24,48,.55));border-top:1px solid rgba(120,170,230,.18);backdrop-filter:blur(6px)}
.hero-stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.hstat{padding:26px 24px;border-right:1px solid rgba(120,170,230,.16)}
.hstat:last-child{border-right:0}
.hstat .num{font-family:var(--serif);font-size:38px;font-weight:700;color:#fff;line-height:1}
.hstat .num em{font-style:normal;color:var(--orange);font-size:26px;margin-left:2px}
.hstat .lab{font-size:14px;color:#a9c3e2;margin-top:8px;letter-spacing:1px}

/* ========= 内页横幅 ========= */
.page-banner{position:relative;background:linear-gradient(120deg,var(--navy) 0%,var(--navy2) 60%,#1b4a8c 100%);color:#fff;padding:74px 0 84px;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(90,150,220,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(90,150,220,.07) 1px,transparent 1px);background-size:54px 54px}
.page-banner::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(0,166,201,.25),transparent 70%)}
.page-banner .wrap{position:relative;z-index:2}
.page-banner h1{font-family:var(--serif);font-size:40px;letter-spacing:2px;font-weight:700}
.page-banner p{color:#bcd3ee;margin-top:12px;font-size:16px;letter-spacing:1px}
.crumb{margin-top:20px;font-size:13.5px;color:#9db9da;display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.crumb a{color:#bcd3ee;transition:.2s}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.crumb .cur{color:#fff}
/* 浅色区域内的面包屑（产品详情页） */
.pd-hero .crumb{color:var(--muted)}
.pd-hero .crumb a{color:var(--muted)}
.pd-hero .crumb a:hover{color:var(--blue)}
.pd-hero .crumb .cur{color:var(--navy);font-weight:700}

/* ========= 关于 ========= */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.about-lead{font-family:var(--serif);font-size:24px;color:var(--navy);font-weight:700;line-height:1.5;margin-bottom:20px}
.about-txt p{color:#3d4c61;margin-bottom:18px;font-size:15.5px}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 32px}
.atag{padding:8px 18px;background:#fff;border:1px solid var(--line);border-radius:30px;font-size:13.5px;color:var(--navy2);font-weight:600}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.acard{background:var(--navy);border-radius:12px;padding:30px 26px;position:relative;overflow:hidden;transition:.35s}
.acard::before{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:rgba(255,255,255,.05)}
.acard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.acard .bar{width:34px;height:4px;border-radius:2px;margin-bottom:18px}
.acard .n{font-family:var(--serif);font-size:40px;font-weight:700;color:#fff;line-height:1}
.acard .t{color:#d4e4f7;font-weight:700;margin-top:12px;font-size:15px}
.acard .d{color:#8fb0d6;font-size:12.5px;margin-top:6px}

/* ========= 核心技术 ========= */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.tech-item{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.tech-item:last-child{border-bottom:0}
.tech-no{font-family:var(--serif);font-size:34px;font-weight:700;color:var(--blue);line-height:1;min-width:54px;opacity:.85}
.tech-item:nth-child(even) .tech-no{color:var(--cyan)}
.tech-item h3{font-size:19px;color:var(--navy);font-weight:700;margin-bottom:7px}
.tech-item p{color:var(--muted);font-size:14.5px}
.tech-panel{background:linear-gradient(150deg,var(--navy),var(--navy2));border-radius:16px;padding:42px 38px;color:#fff;position:relative;overflow:hidden}
.tech-panel::after{content:"";position:absolute;right:-60px;bottom:-60px;width:200px;height:200px;border-radius:50%;border:30px solid rgba(0,166,201,.12)}
.tech-panel h3{font-family:var(--serif);font-size:23px;margin-bottom:8px}
.tech-panel .pbar{width:48px;height:4px;background:var(--orange);border-radius:2px;margin:14px 0 16px}
.tech-panel>p{color:#bcd3ee;font-size:14px;margin-bottom:26px}
.tech-tags{display:flex;flex-wrap:wrap;gap:11px}
.tech-tags span{padding:9px 17px;background:rgba(255,255,255,.07);border:1px solid rgba(120,170,230,.28);border-radius:8px;font-size:13.5px;font-weight:600;color:#dceaff;transition:.25s}
.tech-tags span:hover{background:var(--cyan);border-color:var(--cyan)}

/* ========= 产品 Tab（首页） ========= */
.plat-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px;justify-content:center}
.plat-tab{padding:13px 28px;border-radius:8px;background:#fff;border:1.5px solid var(--line);font-size:15px;font-weight:700;color:var(--navy2);cursor:pointer;transition:.3s;display:flex;align-items:center;gap:10px}
.plat-tab .dot{width:9px;height:9px;border-radius:50%}
.plat-tab:hover{border-color:var(--blue);color:var(--blue)}
.plat-tab.active{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:var(--shadow-sm)}
.plat-pane{display:none;animation:fadeUp .5s ease}
.plat-pane.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.plat-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;background:#fff;border-radius:16px;padding:40px;box-shadow:var(--shadow-sm);align-items:center;margin-bottom:22px}
.plat-img{background:var(--light2);border-radius:12px;padding:30px;display:flex;align-items:center;justify-content:center;min-height:280px}
.plat-img img{max-height:250px;width:auto;object-fit:contain;filter:drop-shadow(0 14px 24px rgba(11,42,86,.18))}
.plat-info .ptag-line{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:12px}
.plat-info h3{font-family:var(--serif);font-size:27px;color:var(--navy);margin-bottom:14px}
.plat-info>p{color:var(--muted);font-size:15px;margin-bottom:22px}
.plat-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.plat-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#3d4c61}
.plat-list li::before{content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;margin-top:8px;background:var(--c,var(--blue))}
.plat-bar{background:var(--navy);border-radius:12px;padding:20px 32px;color:#fff;text-align:center;font-size:15px;font-weight:600;letter-spacing:.5px}

/* ========= HY7X00 主推（首页深色） ========= */
.hero-prod{background:linear-gradient(160deg,#081d3d 0%,var(--navy) 55%,var(--navy2) 100%);color:#fff;position:relative;overflow:hidden}
.hero-prod .sec-title{color:#fff}
.hero-prod::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(90,150,220,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(90,150,220,.06) 1px,transparent 1px);background-size:56px 56px}
.hero-prod .wrap{position:relative;z-index:2}
.hp-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:50px}
.hp-kpi{background:rgba(255,255,255,.05);border:1px solid rgba(120,170,230,.2);border-radius:12px;padding:28px 24px;text-align:center;transition:.3s}
.hp-kpi:hover{background:rgba(0,166,201,.12);border-color:var(--cyan);transform:translateY(-5px)}
.hp-kpi .k{font-family:var(--serif);font-size:36px;font-weight:700;color:var(--cyan)}
.hp-kpi .v{font-size:13.5px;color:#bcd3ee;margin-top:8px}
.hp-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hp-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 20px 40px -22px rgba(0,0,0,.5);transition:.35s}
.hp-card:hover{transform:translateY(-8px)}
.hp-card .img{background:var(--light2);padding:24px;display:flex;align-items:center;justify-content:center;height:190px}
.hp-card .img img{max-height:145px;width:auto;object-fit:contain}
.hp-card .body{padding:22px;border-top:3px solid var(--cyan)}
.hp-card h3{font-family:var(--serif);font-size:21px;color:var(--navy)}
.hp-card .meta{font-size:13.5px;font-weight:700;color:var(--blue);margin:8px 0 6px}
.hp-card .dd{font-size:12.5px;color:var(--muted)}

/* ========= 核心功能（首页卡片） ========= */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--light2);border:1px solid var(--line);border-radius:14px;padding:34px 30px;transition:.35s;position:relative;overflow:hidden}
.feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--fc,var(--blue));transform:scaleX(0);transform-origin:left;transition:.4s}
.feat-card:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-6px)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-ico{width:58px;height:58px;border-radius:13px;background:var(--fc,var(--blue));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-size:21px;font-weight:700;margin-bottom:20px}
.feat-card h3{font-size:18px;color:var(--navy);font-weight:700;margin-bottom:10px}
.feat-card p{font-size:14px;color:var(--muted)}

/* ========= 行业应用（首页大图） ========= */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{position:relative;border-radius:14px;overflow:hidden;height:300px;box-shadow:var(--shadow-sm)}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:.6s}
.scene-card:hover img{transform:scale(1.08)}
.scene-mask{position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,24,48,.92) 0%,rgba(7,24,48,.25) 55%,rgba(7,24,48,.1) 100%);padding:28px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;transition:.3s}
.scene-card:hover .scene-mask{background:linear-gradient(0deg,rgba(7,24,48,.95) 0%,rgba(11,42,86,.5) 60%,transparent 100%)}
.scene-mask h3{font-family:var(--serif);font-size:22px;margin-bottom:6px}
.scene-mask p{font-size:13.5px;color:#cfe0f5;transform:translateY(8px);opacity:0;transition:.35s}
.scene-card:hover .scene-mask p{transform:none;opacity:1}
.scene-mask .sline{width:34px;height:3px;background:var(--orange);margin-bottom:12px}

/* ========= 为什么选择 ========= */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.why-card{border:1px solid var(--line);border-radius:14px;padding:36px 32px;transition:.35s;background:#fff}
.why-card:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-6px)}
.why-ico{width:56px;height:56px;border-radius:14px;background:var(--wc,var(--blue));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-size:20px;font-weight:700;margin-bottom:22px}
.why-card h3{font-family:var(--serif);font-size:20px;color:var(--navy);margin-bottom:11px}
.why-card p{font-size:14.5px;color:var(--muted)}

/* ========= 新闻卡片 ========= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);transition:.35s}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.news-date{padding:26px 28px 0;display:flex;align-items:baseline;gap:10px}
.news-date .d{font-family:var(--serif);font-size:40px;font-weight:700;color:var(--blue);line-height:1}
.news-date .ym{font-size:13px;color:var(--muted)}
.news-body{padding:18px 28px 30px}
.news-body h3{font-size:17px;color:var(--navy);font-weight:700;line-height:1.5;margin-bottom:10px;transition:.25s}
.news-card:hover h3{color:var(--blue)}
.news-body p{font-size:13.5px;color:var(--muted)}
.news-more{margin-top:44px;text-align:center}

/* ========= CTA / 联系（首页） ========= */
.cta{position:relative;color:#fff;padding:90px 0;background:var(--navy);overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 80% 20%,rgba(0,166,201,.22),transparent 45%),
  radial-gradient(circle at 10% 90%,rgba(243,152,0,.15),transparent 40%)}
.cta .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.cta h2{font-family:var(--serif);font-size:36px;line-height:1.4;margin-bottom:16px}
.cta h2 span{color:var(--cyan)}
.cta p{color:#c6d8ef;margin-bottom:30px;font-size:16px}
.contact-list li{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid rgba(120,170,230,.16);font-size:15.5px}
.contact-list li:last-child{border-bottom:0}
.contact-list .ci{flex:0 0 42px;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(120,170,230,.25);display:flex;align-items:center;justify-content:center;font-size:18px}
.contact-list b{color:#fff;display:block;margin-bottom:2px}
.contact-list span{color:#bcd3ee;font-size:14.5px}

/* ========= 产品列表页 ========= */
.plist-layout{display:grid;grid-template-columns:248px 1fr;gap:36px;align-items:start}
.plist-side{position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.plist-side .side-title{background:var(--navy);color:#fff;padding:18px 22px;font-weight:700;font-size:16px}
.plist-side a{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;font-size:14.5px;color:#3d4c61;border-bottom:1px solid var(--line);transition:.25s}
.plist-side a:last-child{border-bottom:0}
.plist-side a .c-n{font-size:12px;color:#a7b5c8}
.plist-side a:hover,.plist-side a.active{background:var(--light2);color:var(--blue);padding-left:26px}
.plist-side a.active{font-weight:700;border-left:3px solid var(--orange)}
.side-contact{margin-top:20px;background:linear-gradient(150deg,var(--navy),var(--navy2));border-radius:12px;color:#fff;padding:26px 22px;text-align:center}
.side-contact h4{font-family:var(--serif);font-size:19px;margin-bottom:8px}
.side-contact p{font-size:13px;color:#bcd3ee;margin-bottom:16px}
.plist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.35s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-6px);border-color:transparent}
.pcard .p-img{background:var(--light2);height:190px;display:flex;align-items:center;justify-content:center;padding:22px}
.pcard .p-img img{max-height:150px;width:auto;object-fit:contain;filter:drop-shadow(0 10px 16px rgba(11,42,86,.14))}
.pcard .p-body{padding:20px;border-top:1px solid var(--line)}
.pcard h3{font-size:16px;color:var(--navy);font-weight:700;line-height:1.4}
.pcard .p-tag{font-size:12.5px;font-weight:700;color:var(--blue);margin:8px 0 6px}
.pcard .p-desc{font-size:12.5px;color:var(--muted);line-height:1.6}
.pcard .p-more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue)}
.pcard:hover .p-more{gap:10px}
.plist-catbar{display:flex;align-items:center;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.plist-catbar h2{font-family:var(--serif);font-size:24px;color:var(--navy)}
.plist-catbar .linebar{flex:1;min-width:60px;height:2px;background:linear-gradient(90deg,var(--orange),var(--line))}
.plist-catbar .count{font-size:13.5px;color:var(--muted)}

/* ========= 产品详情页 ========= */
.pd-hero{background:var(--light2);padding:44px 0;border-bottom:1px solid var(--line)}
.pd-hero-grid{display:grid;grid-template-columns:440px 1fr;gap:50px;align-items:center}
.pd-img{background:#fff;border:1px solid var(--line);border-radius:14px;padding:40px;display:flex;align-items:center;justify-content:center;min-height:330px}
.pd-img img{max-height:280px;width:auto;object-fit:contain;filter:drop-shadow(0 16px 26px rgba(11,42,86,.18))}
.pd-info .pd-cat{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue)}
.pd-info h1{font-family:var(--serif);font-size:34px;color:var(--navy);margin:12px 0 8px}
.pd-info .pd-model{font-size:15px;color:var(--muted);letter-spacing:1px}
.pd-info .pd-lead{margin:20px 0 22px;color:#3d4c61;font-size:16px;line-height:1.85}
.pd-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.pd-chips span{padding:8px 16px;background:#fff;border:1px solid var(--line);border-radius:7px;font-size:13.5px;font-weight:700;color:var(--navy2)}
.pd-actions{display:flex;gap:14px;flex-wrap:wrap}
.pd-layout{display:grid;grid-template-columns:1fr 280px;gap:44px;align-items:start;padding:60px 0}
.pd-main h2.pd-h{display:flex;align-items:center;gap:13px;font-family:var(--serif);font-size:25px;color:var(--navy);margin:0 0 22px}
.pd-main h2.pd-h::before{content:"";width:6px;height:24px;background:var(--orange);border-radius:2px}
.pd-block{margin-bottom:52px}
.pd-overview{font-size:15.5px;color:#3d4c61;line-height:1.95}
.pd-features{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.pd-features li{display:flex;gap:11px;align-items:flex-start;background:var(--light2);border:1px solid var(--line);border-radius:9px;padding:15px 18px;font-size:14px;color:#3d4c61}
.pd-features li::before{content:"✓";flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:2px;font-weight:700}
.pd-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.pd-table th{background:var(--navy);color:#fff;padding:14px 20px;text-align:left;font-size:14px;width:32%}
.pd-table td{padding:14px 20px;font-size:14px;color:#3d4c61;border-bottom:1px solid var(--line)}
.pd-table tr:nth-child(even) td{background:var(--light2)}
.pd-table tr:last-child td{border-bottom:0}
.pd-app{display:flex;flex-wrap:wrap;gap:12px}
.pd-app li{padding:12px 22px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:8px;font-size:14.5px;font-weight:600}
.pd-kit{background:var(--light2);border:1px solid var(--line);border-radius:12px;padding:26px 30px}
.pd-kit li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#3d4c61}
.pd-kit li:last-child{border-bottom:0}
.pd-kit .qty{color:var(--blue);font-weight:700;white-space:nowrap}
.pd-kit-group+.pd-kit-group{margin-top:26px}
.pd-kit-group h3{font-size:14.5px;color:var(--navy);font-weight:700;margin-bottom:12px;padding-left:12px;border-left:4px solid var(--blue)}
.pd-arch{background:var(--light2);border:1px solid var(--line);border-radius:12px;padding:34px;text-align:center}
.pd-arch img{margin:0 auto;max-height:200px}
.pd-arch p{margin-top:18px;font-size:13.5px;color:var(--muted)}
.pd-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.pd-side-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pd-side-card h4{background:var(--light2);padding:16px 20px;font-size:15px;color:var(--navy);font-weight:700;border-bottom:1px solid var(--line)}
.pd-side-card a{display:block;padding:13px 20px;font-size:14px;color:#3d4c61;border-bottom:1px solid var(--line);transition:.25s}
.pd-side-card a:last-child{border-bottom:0}
.pd-side-card a:hover{color:var(--blue);background:var(--light2);padding-left:25px}
.pd-side-cta{background:linear-gradient(150deg,var(--navy),var(--navy2));border-radius:12px;color:#fff;padding:28px 24px;text-align:center}
.pd-side-cta h4{font-family:var(--serif);font-size:20px;margin-bottom:10px}
.pd-side-cta p{font-size:13px;color:#bcd3ee;margin-bottom:18px}
.related{background:var(--light2);padding:64px 0;border-top:1px solid var(--line)}

/* ========= 通用内容排版 ========= */
.article-content{font-size:15.5px;color:#3d4c61;line-height:2}
.article-content p{margin-bottom:18px}
.article-content h2{font-family:var(--serif);font-size:25px;color:var(--navy);margin:30px 0 16px;display:flex;align-items:center;gap:12px}
.article-content h2::before{content:"";width:6px;height:23px;background:var(--orange);border-radius:2px}
.article-content h3{font-size:18px;color:var(--navy);margin:22px 0 10px}
.article-content ul.bul{margin:0 0 18px}
.article-content ul.bul li{position:relative;padding-left:24px;margin-bottom:10px}
.article-content ul.bul li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.content-layout{display:grid;grid-template-columns:1fr 280px;gap:44px;align-items:start;padding:60px 0}
.content-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:42px 46px}

/* ========= 案例列表 ========= */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.35s}
.case-item:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.case-item .c-img{height:230px;overflow:hidden}
.case-item .c-img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.case-item:hover .c-img img{transform:scale(1.07)}
.case-item .c-body{padding:26px 28px}
.case-item .c-cat{font-size:12.5px;font-weight:700;color:var(--orange);letter-spacing:1px}
.case-item h3{font-family:var(--serif);font-size:20px;color:var(--navy);margin:8px 0 10px}
.case-item p{font-size:14px;color:var(--muted)}

/* ========= 下载列表 ========= */
.dl-item{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 28px;margin-bottom:16px;transition:.3s}
.dl-item:hover{box-shadow:var(--shadow-sm);border-color:var(--blue)}
.dl-ico{flex:0 0 54px;width:54px;height:54px;border-radius:12px;background:var(--light);display:flex;align-items:center;justify-content:center;font-size:24px}
.dl-info{flex:1}
.dl-info h3{font-size:16.5px;color:var(--navy);font-weight:700}
.dl-info p{font-size:13px;color:var(--muted);margin-top:3px}
.dl-btn{padding:10px 22px;border-radius:6px;background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;transition:.3s}
.dl-btn:hover{background:var(--navy2)}

/* ========= 表单 ========= */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{display:flex;flex-direction:column}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:14.5px;font-weight:700;color:var(--navy);margin-bottom:8px}
.form-group label .req{color:#e04b3b;margin-left:3px}
.form-group input,.form-group select,.form-group textarea{padding:13px 16px;border:1.5px solid var(--line);border-radius:8px;font-size:14.5px;font-family:var(--sans);color:var(--ink);transition:.25s;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,115,200,.1)}
.form-group textarea{resize:vertical;min-height:130px}
.form-tip{font-size:13px;color:var(--muted);margin-top:16px}
.form-success{display:none;background:#eaf7f1;border:1px solid #b6e2cd;color:#1d7a52;border-radius:10px;padding:18px 22px;margin-top:22px;font-size:14.5px;font-weight:600}

/* ========= 招聘 ========= */
.job-item{border:1px solid var(--line);border-radius:12px;padding:28px 30px;margin-bottom:18px;background:#fff;transition:.3s}
.job-item:hover{box-shadow:var(--shadow-sm)}
.job-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.job-head h3{font-family:var(--serif);font-size:20px;color:var(--navy)}
.job-meta{display:flex;gap:10px;flex-wrap:wrap}
.job-meta span{padding:5px 14px;background:var(--light2);border-radius:20px;font-size:12.5px;color:var(--navy2);font-weight:600}
.job-detail{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);font-size:14px;color:#3d4c61}
.job-detail h4{color:var(--blue);font-size:14px;margin:12px 0 7px}
.job-detail h4:first-child{margin-top:0}
.job-detail li{position:relative;padding-left:18px;margin-bottom:6px}
.job-detail li::before{content:"·";position:absolute;left:4px;color:var(--blue);font-weight:700}

/* ========= 联系页 ========= */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:50px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 30px;text-align:center;transition:.35s}
.contact-card:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.contact-card .cc-ico{width:62px;height:62px;border-radius:16px;background:var(--light);display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 18px}
.contact-card h3{font-size:17px;color:var(--navy);margin-bottom:10px}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.8}
.map-box{background:var(--light2);border:1px solid var(--line);border-radius:14px;padding:50px 40px;text-align:center;color:var(--muted)}
.map-box .map-ph{font-size:50px;margin-bottom:14px}
.map-box h3{color:var(--navy);font-size:20px;margin-bottom:8px;font-family:var(--serif)}

/* ========= 时间线 ========= */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--orange);border:3px solid #fff;box-shadow:0 0 0 2px var(--orange)}
.tl-item .tl-y{font-family:var(--serif);font-size:19px;color:var(--navy);font-weight:700}
.tl-item p{font-size:14px;color:var(--muted);margin-top:4px}

/* ========= 页脚 ========= */
footer.footer{background:#071a35;color:#9db4d2;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-logo img{height:44px;margin-bottom:20px}
.foot-about{font-size:13.5px;line-height:1.9;max-width:320px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:20px;font-weight:700;position:relative;padding-bottom:12px}
.foot-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;background:var(--orange);border-radius:2px}
.foot-col li{margin-bottom:11px;font-size:14px;transition:.2s}
.foot-col li a:hover{color:#fff;padding-left:5px}
.foot-contact li{font-size:13.5px;margin-bottom:13px;display:flex;gap:10px}
.foot-bottom{border-top:1px solid rgba(120,170,230,.15);padding:22px 0;font-size:13px;text-align:center;color:#7c94b5}
.foot-bottom a{color:#9db4d2}

/* ========= 滚动显现 ========= */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ========= 响应式 ========= */
@media(max-width:991px){
  .sec{padding:64px 0}
  .sec-title{font-size:29px}
  .topbar{display:none}
  .hero{min-height:88vh}
  .hero h1{font-size:40px}
  .menu{position:fixed;top:78px;right:-100%;width:78%;max-width:320px;height:calc(100vh - 78px);background:#fff;flex-direction:column;align-items:stretch;padding:24px;gap:4px;box-shadow:-10px 0 40px rgba(0,0,0,.15);transition:.35s;overflow-y:auto}
  .menu.open{right:0}
  .nav-cta{margin-left:0;text-align:center}
  .burger{display:flex}
  .burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .about-grid,.tech-grid,.plat-top,.cta .wrap{grid-template-columns:1fr;gap:36px}
  .hp-cards,.feat-grid,.why-grid,.news-grid,.scene-grid{grid-template-columns:1fr 1fr}
  .hp-kpis,.hero-stats .wrap{grid-template-columns:1fr 1fr}
  .hstat:nth-child(2){border-right:0}
  .hstat{border-bottom:1px solid rgba(120,170,230,.16)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .plist-layout,.pd-layout,.content-layout{grid-template-columns:1fr;gap:30px}
  .plist-side,.pd-side{position:static}
  .pd-hero-grid{grid-template-columns:1fr;gap:30px}
  .plist-grid{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:560px){
  .hero h1{font-size:32px}
  .hero-inner{padding:60px 0 130px}
  .hp-cards,.feat-grid,.why-grid,.news-grid,.scene-grid,.hp-kpis,.about-cards,.plist-grid,.pd-features,.form-grid,.foot-grid{grid-template-columns:1fr}
  .hero-stats .wrap{grid-template-columns:1fr 1fr}
  .sec-title{font-size:25px}
  .page-banner h1{font-size:30px}
  .cta h2{font-size:26px}
  .pd-info h1{font-size:26px}
  .content-card{padding:28px 22px}
  .logo img{height:38px}
}