:root{--navy:#0b2447;--blue:#1d6ff2;--cyan:#0fb5ba;--ink:#13213c;--muted:#5b6b85;--bg:#f6f9fc;--line:#dbe6f2;--white:#fff;--radius:14px;--shadow:0 10px 30px rgba(11,36,71,.08)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:min(1120px,100% - 40px);margin:0 auto}
.container.wide{width:min(1240px,100% - 40px)}
.wrap{overflow-x:hidden}
section{padding:72px 0}
.section-eyebrow{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--blue);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;justify-content:center;margin-bottom:10px}
.section-title{font-size:clamp(1.65rem,3vw,2.3rem);line-height:1.25;text-align:center;font-weight:800;color:var(--navy);letter-spacing:-.02em;margin-bottom:14px}
.section-copy{max-width:720px;margin:0 auto 42px;text-align:center;color:var(--muted)}
.center{text-align:center}
.grid{display:grid;gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:10px;padding:13px 22px;font-weight:700;font-size:.92rem;transition:.2s}
.btn-blue{background:linear-gradient(135deg,#1d6ff2,#0b78cf);color:#fff;box-shadow:0 6px 18px rgba(29,111,242,.22)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,111,242,.3)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:transparent;border:1px solid var(--blue);color:var(--blue)}
.btn-outline:hover{background:rgba(29,111,242,.07)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,230,242,.75)}
.site-header .nav-row{display:flex;height:70px;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#1d6ff2,#0fb5ba);color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:-.04em;box-shadow:0 6px 14px rgba(29,111,242,.22)}
.brand-name{font-weight:800;color:var(--navy);font-size:.96rem;line-height:1.25;white-space:nowrap}
.brand-name small{display:block;color:var(--muted);font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{font-size:.9rem;font-weight:600;color:#41506a;padding:8px 12px;border-radius:8px}
.nav-menu a:hover,.nav-menu a.active{color:var(--blue);background:#eaf4ff}
.nav-menu .cta{color:#fff;background:var(--blue);box-shadow:0 5px 14px rgba(29,111,242,.2);margin-left:8px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;border-radius:10px;font-size:1.2rem}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#081a33 0%,#0b315f 58%,#0c4a73 100%);color:#fff;padding:92px 0 78px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-150px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(29,111,242,.32),transparent 68%);pointer-events:none}
.hero::before{content:"";position:absolute;left:-140px;bottom:-180px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(15,181,186,.22),transparent 70%);pointer-events:none}
.hero .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);padding:8px 14px;border-radius:30px;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:#cde5ff;margin-bottom:18px}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.08;font-weight:900;letter-spacing:-.03em;margin-bottom:20px}
.hero h1 .accent{background:linear-gradient(90deg,#58a6ff,#21d3d8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.06rem;color:#c6d5e8;max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-trust{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.trust-item strong{font-size:1.55rem;display:block;color:#fff;letter-spacing:-.02em}
.trust-item span{font-size:.8rem;color:#9fb6d0}
.hero-card{background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.045));border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:24px;backdrop-filter:blur(10px)}
.hero-card-head{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:#d9e7f7;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:14px;margin-bottom:16px}
.demo-nodes{display:grid;gap:10px}
.demo-node{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:12px 14px;display:flex;gap:12px;align-items:center}
.demo-node .node-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(88,166,255,.2);color:#8fc5ff;font-weight:800}
.demo-node b{font-size:.9rem}
.demo-node p{font-size:.76rem;color:#9fb6d0;line-height:1.45}
.pulse{width:9px;height:9px;background:#21d3d8;border-radius:50%;box-shadow:0 0 0 5px rgba(33,211,216,.16)}

/* Feature cards */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:.24s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px;background:#e7f2ff;color:var(--blue)}
.feature-card h3{font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:.9rem}

/* Industry solution cards */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.industry-card{position:relative;border-radius:16px;padding:26px;color:#fff;min-height:220px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.industry-card h3{font-size:1.15rem;margin-bottom:6px}
.industry-card p{font-size:.86rem;color:rgba(255,255,255,.82);margin-bottom:14px}
.industry-card .arrow{display:inline-flex;align-items:center;gap:6px;font-size:.86rem;font-weight:700}
.industry-card::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.05)}
.industry-card .icon{position:absolute;top:18px;left:20px;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.25rem;background:rgba(255,255,255,.18)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;margin:0 auto 10px}
.step h4{font-size:.92rem;margin-bottom:4px}
.step p{font-size:.78rem;color:var(--muted)}

/* Tables */
.data-table{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff}
.data-table th{background:#eef5ff;color:var(--navy);text-align:left;padding:12px 14px}
.data-table td{padding:12px 14px;border-bottom:1px solid #e8eff7}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:4px 18px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:13px 0;list-style:none}
.faq summary::before{content:"Q  ";color:var(--blue);font-weight:900}
.faq .faq-a{padding:0 0 16px;color:var(--muted)}
.faq .faq-a::before{content:"A  ";color:var(--cyan);font-weight:900}

/* CTA */
.cta-panel{background:linear-gradient(135deg,#0b2447,#0d4b77);border-radius:20px;color:#fff;padding:44px 30px;text-align:center;position:relative;overflow:hidden}
.cta-panel h2{font-size:clamp(1.6rem,3vw,2.2rem);color:#fff;font-weight:800;margin-bottom:8px}
.cta-panel p{color:#b9cfe6;margin-bottom:26px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-contact{font-size:1.25rem;font-weight:800;color:#7ad7da}

/* Breadcrumbs */
.breadcrumb{background:#f2f7fd;border-bottom:1px solid var(--line);padding:14px 0;font-size:.84rem}
.breadcrumb .container{display:flex;gap:6px;color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.page-hero{background:linear-gradient(135deg,#0b2447,#0d4b77);color:#fff;padding:76px 0 46px}
.page-hero h1{font-size:clamp(2rem,4vw,2.8rem);color:#fff;font-weight:900;letter-spacing:-.02em;margin-bottom:10px}
.page-hero p{color:#b9cfe6;max-width:760px;font-size:1.02rem}

/* Footer */
.site-footer{background:#081a33;color:#9db3cc;padding:56px 0 28px;font-size:.9rem}
.site-footer .foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand{color:#fff}
.foot-brand p{color:#7d95b3;margin-top:14px;line-height:1.7}
.foot h4{color:#fff;font-weight:800;margin-bottom:12px;font-size:.92rem}
.foot a{display:block;margin-bottom:8px;color:#8ba2c0;font-size:.88rem}
.foot a:hover{color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;padding-top:24px;color:#67809f;font-size:.8rem}
.foot-bottom a{color:#8ba2c0}

/* Floating and mobile CTA */
.float-cta{position:fixed;right:18px;bottom:90px;z-index:90;display:grid;gap:10px}
.float-cta a{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:1.15rem;box-shadow:0 8px 22px rgba(11,36,71,.2)}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;padding:8px 12px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.mobile-cta .flex{display:flex;gap:8px}
.mobile-cta a{flex:1;text-align:center;padding:11px;border-radius:10px;font-weight:800;font-size:.9rem}

@media(max-width:1024px){.bento,.industry-grid{grid-template-columns:repeat(2,1fr)}.hero-trust{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.nav-menu{position:fixed;inset:70px 0 auto;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px;box-shadow:0 16px 40px rgba(11,36,71,.14);border-bottom:1px solid var(--line);display:none}.nav-menu.open{display:flex}.nav-menu a{padding:13px 14px}.nav-toggle{display:grid}.hero .hero-grid{grid-template-columns:1fr}.hero-card{order:2}.foot-grid{grid-template-columns:1fr 1fr}.mobile-cta{display:block}.float-cta{display:none}}
@media(max-width:560px){.bento,.industry-grid,.foot-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.container{width:min(1120px,100% - 28px)}section{padding:54px 0}.hero{padding:64px 0 54px}}