/* TRISLOT — 中文落地页 (静态站) · 自托管 Noto Sans SC（免费，中国可正常显示，无 Google 依赖） */
@font-face{font-family:'Noto Sans SC';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/NotoSansSC-Regular.subset.woff2') format('woff2')}
@font-face{font-family:'Noto Sans SC';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/NotoSansSC-Bold.subset.woff2') format('woff2')}
:root{
  --blue:#2248A6;--navy:#0B2350;--deep:#17368C;--sky:#2591E6;
  --pale:#EEF3FB;--wash:#F5F8FC;--gold:#E8A33C;
  --ink:#12151C;--body:#4A5060;--muted:#8A90A0;--line:#E6EAF1;
  /* 全站统一使用 Noto Sans SC；未包含的字符自动回退到系统中文字体（苹方/微软雅黑） */
  --head:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
  --ui:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --text:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--text);color:var(--body);font-size:16px;line-height:1.75;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
h1,h2{font-family:var(--head);font-weight:700;color:var(--navy);letter-spacing:.5px}
h1{font-size:40px;line-height:1.2}h2{font-size:29px;line-height:1.3}
h3{font-family:var(--ui);font-weight:700;font-size:18px;color:var(--navy)}
.ey{font-family:var(--ui);font-weight:700;font-size:12.5px;letter-spacing:3px;color:var(--sky);margin-bottom:10px}
.sec-h{font-family:var(--head);font-weight:700;font-size:26px;color:var(--navy);position:relative;padding-bottom:14px;margin-bottom:8px}
.sec-h:after{content:"";position:absolute;left:0;bottom:0;width:46px;height:3px;background:var(--blue)}
p{margin-bottom:12px}.lead{font-size:18px}.muted{color:var(--muted);font-size:13px}
.btn{font-family:var(--ui);font-weight:700;font-size:14px;letter-spacing:.5px;padding:12px 24px;border-radius:3px;display:inline-block;cursor:pointer;transition:.18s}
.btn-gold{background:var(--gold);color:#3a2a08}.btn-gold:hover{filter:brightness(.95);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:var(--deep);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid #fff;color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-out{border:1.5px solid var(--blue);color:var(--blue)}.btn-out:hover{background:var(--blue);color:#fff}
section{padding:66px 0}.section-pale{background:var(--wash)}.center{text-align:center}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.utilbar{background:var(--wash);border-bottom:1px solid var(--line);font-family:var(--ui);font-weight:600;font-size:13px;color:var(--navy)}
.utilbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px}
.utilbar .u-left a{color:var(--navy);margin-right:22px}
header.nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s}
header.nav.scrolled{box-shadow:0 6px 22px rgba(11,35,80,.10)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
header .logo img{height:32px}
nav ul{display:flex;gap:28px;list-style:none;align-items:center}
nav a{font-family:var(--ui);font-weight:700;font-size:14.5px;color:var(--navy)}
nav a:hover{color:var(--blue)}
.hero{position:relative;height:600px;overflow:hidden;background:var(--navy)}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,17,40,.88),rgba(6,17,40,.62) 45%,rgba(6,17,40,.32))}
.hero-inner{position:absolute;inset:0;z-index:3;display:flex;align-items:center;text-align:left}
.hero-inner .wrap{width:100%;text-align:left}
.hero .ey,.hero h1,.hero .sub,.hero .cta{margin-left:0;margin-right:auto}
.hero .ey{color:#bcd0f7}.hero h1{color:#fff;max-width:20ch}
.hero .sub{font-size:19px;color:#dbe4f6;max-width:44ch;margin:18px 0 28px;line-height:1.85}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.gold-underline{border-bottom:3px solid var(--gold);padding-bottom:2px}
.hero-dots{position:absolute;bottom:120px;left:0;width:100%;z-index:4}
.hero-dots .wrap{display:flex;gap:10px}
.hero-dot{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer;border:none;transition:.1s}
.hero-dot.on{background:var(--gold);width:46px}
.herostats{position:relative;z-index:20;margin-top:-64px}
.herostats .wrap{background:var(--blue);border-radius:8px;box-shadow:0 18px 40px rgba(11,35,80,.22);display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:26px 20px;color:#fff;text-align:center}
.herostats .n{font-family:var(--head);font-weight:700;font-size:30px}
.herostats .l{font-family:var(--ui);font-weight:600;font-size:13px;color:#cfe0f6;margin-top:6px}
.herostats .cell+.cell{border-left:1px solid rgba(255,255,255,.18)}
.two{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}.two img{border-radius:6px}
.indgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.indcard{position:relative;height:236px;border-radius:8px;overflow:hidden;display:block;box-shadow:0 6px 18px rgba(11,35,80,.08);transition:transform .25s}
.indcard .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s ease}
.indcard:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,35,80,.12) 30%,rgba(6,17,40,.85))}
.indcard:hover{transform:translateY(-4px)}.indcard:hover .bg{transform:scale(1.07)}
.indcard .lbl{position:absolute;left:22px;bottom:20px;z-index:3;color:#fff}
.indcard .lbl h3{color:#fff;font-size:19px}.indcard .lbl .sm{font-size:13.5px;color:#d6e0f4}
.keytag{position:absolute;top:14px;left:14px;z-index:3;background:var(--gold);color:#3a2a08;font-family:var(--ui);font-weight:800;font-size:11px;letter-spacing:.5px;padding:4px 10px;border-radius:3px}
.prodwrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:stretch;margin-top:26px}
.techbox{background:var(--navy);color:#fff;border-radius:8px;padding:34px;display:flex;flex-direction:column;justify-content:center}
.techbox h3{color:#fff;font-size:20px;margin-bottom:10px}.techbox p{color:#d6e0f4;font-size:15px}
.techbox .chip{font-family:var(--ui);font-weight:700;font-size:12px;letter-spacing:1px;color:var(--gold);margin-bottom:10px}
.plist{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.plist .pitem{display:flex;gap:16px;padding:20px 22px;border-bottom:1px solid var(--line)}
.plist .pitem:last-child{border-bottom:none}
.plist .pico{flex:0 0 44px;height:44px;border-radius:8px;background:var(--pale);display:flex;align-items:center;justify-content:center}
.plist .pico svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:1.7}
.plist h3{margin-bottom:3px}.plist p{font-size:14.5px;margin:0}
.row{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;margin-bottom:8px}
.row.rev-col .txt{order:2}.row img{border-radius:6px}.row ul{margin:12px 0 16px 20px;font-size:15px}.row li{margin-bottom:6px}
.divider{height:1px;background:var(--line);margin:40px 0}
.tag{font-family:var(--ui);font-weight:800;font-size:11.5px;letter-spacing:.5px;color:var(--gold);margin-bottom:6px}
.slider-wrap{position:relative;margin-top:26px}
.slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 16px;scrollbar-width:none}
.slider::-webkit-scrollbar{display:none}
.scard{flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.scard:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(11,35,80,.12)}
.scard .top{height:150px;background-size:cover;background-position:center;background-color:var(--navy)}
.scard .cb{padding:18px}.scard h3{margin-bottom:5px}.scard p{font-size:14px;margin:0}
.s-nav{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.s-nav button{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:#fff;color:var(--blue);font-size:18px;cursor:pointer;transition:.15s}
.s-nav button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.spec{background:var(--pale);border-radius:6px;padding:28px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;margin-top:24px}
.spec .n{font-family:var(--head);font-weight:700;font-size:24px;color:var(--blue)}
.spec .l{font-family:var(--ui);font-weight:600;font-size:13px;color:var(--body);margin-top:6px}
.export .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}.export img{width:100%}
.ctaband{background:var(--navy);color:#fff;text-align:center}.ctaband h2{color:#fff}
.ctaband .wrap{padding:58px 28px}
.ctaband .phone{font-family:var(--head);font-weight:700;font-size:24px;margin:10px 0 24px}.ctaband .phone .g{color:var(--gold)}
.cgrid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:start}
.cinfo .ci{font-family:var(--ui);font-weight:700;color:var(--navy);margin:16px 0 4px}
.cinfo .big{font-family:var(--head);font-weight:700;font-size:22px;color:var(--blue);margin:4px 0 2px}
.formbox{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:0 10px 30px rgba(11,35,80,.06)}
.formbox iframe{width:100%;border:0;min-height:700px;border-radius:6px}
.formslot{background:var(--wash);border:2px dashed var(--sky);border-radius:8px;padding:30px;text-align:center;color:var(--body)}
.formslot b{font-family:var(--ui);color:var(--navy)}
.phero{position:relative;color:#fff;padding:78px 0 62px;background:var(--navy);overflow:hidden}
.phero .pbg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.phero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,17,40,.8),rgba(6,17,40,.4))}
.phero .wrap{position:relative;z-index:2}.phero h1{color:#fff}.phero p{color:#d6e0f4;font-size:17px;margin-top:12px;max-width:52ch;line-height:1.9}
footer{background:#081a3d;color:#9fb2d6;font-size:14px;padding:44px 0 30px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px}
footer h4{color:#fff;font-family:var(--ui);font-weight:700;font-size:14px;margin-bottom:10px}
footer img{height:28px;margin-bottom:12px}footer a{color:#cdd8ee;display:block;margin-bottom:5px}
.foot-bottom{border-top:1px solid #16305e;margin-top:30px;padding-top:16px;font-size:12.5px;color:#7f93bb}
@media(max-width:920px){
  .two,.row,.row.rev-col,.prodwrap,.export .wrap,.cgrid{grid-template-columns:1fr}
  .row.rev-col .txt{order:0}.indgrid,.herostats .wrap,.spec{grid-template-columns:1fr 1fr}
  nav ul{display:none}h1{font-size:30px}.hero{height:520px}.herostats .cell+.cell{border-left:none}
}