:root{
  --navy:#0b1f3a;--navy2:#102f57;--blue:#1769df;--blue2:#2b7be9;
  --ink:#122033;--muted:#66758a;--line:#dbe5f0;--soft:#f4f8fd;
  --soft2:#eef5ff;--white:#fff;--green:#14866d;--gold:#b98017;
  --shadow:0 18px 50px rgba(19,52,90,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{background:#08172b;color:#dce8f7;font-size:13px}
.topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.topbar strong{color:#fff}
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(219,229,240,.85)}
.navin{height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:21px;color:var(--navy)}
.logo{width:38px;height:38px;border:2px solid var(--blue);border-radius:9px;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:6px;background:#fff}
.logo i{display:block;background:var(--blue);border-radius:1px}
.links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650;color:#42526a}
.links a:hover{color:var(--blue)}
.nav-actions{display:flex;gap:10px}
.btn{height:44px;padding:0 20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:750;font-size:14px;border:1px solid transparent;transition:.18s}
.btn-primary{background:var(--blue);color:white;box-shadow:0 8px 22px rgba(23,105,223,.22)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-light{background:#fff;border-color:#cfdbe8;color:var(--navy)}
.btn-ghost{background:#edf5ff;color:#0d5fcf}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#eef6ff 0%,#f8fbff 48%,#edf4ff 100%);border-bottom:1px solid #e3ebf4}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(23,105,223,.14)}
.hero:before{width:560px;height:560px;right:-190px;top:-280px}
.hero:after{width:360px;height:360px;right:140px;bottom:-260px}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:center;min-height:590px;padding:70px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:99px;background:#e5f0ff;color:#0b5fcc;font-size:13px;font-weight:800;margin-bottom:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--blue)}
.hero h1{font-size:48px;line-height:1.18;letter-spacing:-1px;margin:0 0 22px;color:#0b1f3a}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{font-size:18px;color:#53677f;margin:0 0 28px;max-width:680px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px;color:#6c7e91;font-size:13px}
.hero-meta b{color:#263b54}
.product-visual{position:relative;min-height:380px}
.mock-window{position:absolute;background:white;border:1px solid #d9e4f0;border-radius:18px;box-shadow:var(--shadow)}
.mock-main{width:90%;height:330px;right:2%;top:38px;overflow:hidden}
.mock-head{height:46px;background:#f7f9fc;border-bottom:1px solid #e7edf4;display:flex;align-items:center;padding:0 16px;gap:7px}
.mock-head i{width:8px;height:8px;border-radius:50%;background:#c8d4e2}
.mock-body{padding:18px}
.mock-title{font-weight:850;font-size:16px;margin-bottom:14px}
.mock-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mock-card{border:1px solid #e0e8f1;border-radius:11px;padding:13px;background:#fff}
.mock-card b{display:block;font-size:13px;margin-bottom:6px}
.mock-card span{display:block;height:7px;background:#edf2f7;border-radius:9px;margin:6px 0}
.mock-card span.short{width:66%}
.mock-form{width:55%;height:255px;left:0;bottom:0;padding:18px;z-index:2}
.qr{width:82px;height:82px;margin:6px auto 14px;background:
linear-gradient(90deg,#0d2746 10px,transparent 10px) 0 0/20px 20px,
linear-gradient(#0d2746 10px,transparent 10px) 0 0/20px 20px,
linear-gradient(90deg,transparent 10px,#0d2746 10px) 0 0/20px 20px,
linear-gradient(transparent 10px,#0d2746 10px) 0 0/20px 20px;
border:8px solid #fff;outline:1px solid #dce6f0}
.mock-input{height:34px;border:1px solid #dce4ed;border-radius:7px;margin:9px 0;background:#fbfcfe}
.mock-submit{height:34px;border-radius:7px;background:var(--blue);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:750}
.trust{background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;margin-top:-26px;position:relative;z-index:5;background:#fff;box-shadow:0 12px 30px rgba(30,68,110,.07)}
.trust-item{padding:20px 26px}
.trust-item+ .trust-item{border-left:1px solid var(--line)}
.trust-item small{display:block;color:#8997a8;margin-bottom:3px}
.trust-item b{color:#1c3048}
.section{padding:86px 0}
.section.soft{background:var(--soft)}
.section.blue-soft{background:linear-gradient(180deg,#f5f9ff,#eef5ff)}
.section-head{max-width:760px;margin-bottom:36px}
.kicker{color:var(--blue);font-weight:850;font-size:13px;letter-spacing:.8px;text-transform:uppercase}
.section h2{font-size:34px;line-height:1.25;margin:8px 0 12px;color:#0b1f3a}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.2s;min-height:210px}
.product-card:hover{transform:translateY(-2px);box-shadow:0 14px 35px rgba(16,55,92,.08);border-color:#c7d9ed}
.icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#eaf3ff;color:var(--blue);font-weight:900;margin-bottom:18px;font-size:18px}
.product-card h3{margin:0 0 8px;font-size:19px}
.product-card p{margin:0;color:var(--muted);font-size:14px}
.card-link{display:inline-flex;margin-top:16px;color:var(--blue);font-weight:750;font-size:13px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 18px;min-height:170px}
.step .num{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:1px}
.step h3{font-size:17px;margin:8px 0 7px}
.step p{font-size:13px;color:var(--muted);margin:0}
.step:not(:last-child):after{content:"→";position:absolute;right:-12px;top:68px;color:#8ba7c8;font-weight:900;z-index:2}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.panel h3{font-size:22px;margin:0 0 10px}
.panel>p{color:var(--muted);margin:0 0 20px}
.role-flow{display:grid;gap:10px}
.role{border:1px solid #dce6f0;border-radius:12px;padding:14px 16px;display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:center}
.role b{color:#173a63}
.role span{font-size:13px;color:#66798f}
.role-arrow{text-align:center;color:#88a1bc;font-weight:900;height:16px}
.form-flow{display:grid;gap:11px}
.form-line{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed #dce5ef}
.form-line:last-child{border-bottom:0}
.form-line i{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:#e7f1ff;color:var(--blue);font-style:normal;font-weight:850;font-size:12px;display:flex;align-items:center;justify-content:center}
.form-line b{display:block;font-size:14px}
.form-line span{font-size:13px;color:var(--muted)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px}
.scene strong{display:block;margin-bottom:7px;font-size:16px}
.scene p{margin:0;color:var(--muted);font-size:13px}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cap{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px}
.cap b{display:block;margin:12px 0 7px}
.cap p{margin:0;color:var(--muted);font-size:13px}
.company{background:linear-gradient(135deg,#0a1d36,#102f57);color:#fff}
.company .section-head h2,.company .kicker{color:#fff}
.company .section-head p{color:#c8d6e7}
.company-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.company-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:26px}
.company-card h3{margin:0 0 12px}
.company-card p{color:#d2deec;margin:0}
.company-list{display:grid;gap:10px}
.company-list div{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.11);font-size:13px}
.company-list span{color:#aebfd3}
.rule-banner{display:flex;justify-content:space-between;align-items:center;gap:24px;background:#edf5ff;border:1px solid #cfe1f7;border-radius:16px;padding:22px 26px;margin-top:28px}
.rule-banner p{margin:0;color:#51677f;font-size:13px}
.footer{background:#071426;color:#b7c7db;padding:34px 0 24px;font-size:13px}
.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
.footer-brand{color:#fff;font-size:18px;font-weight:900;margin-bottom:8px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a:hover{color:#fff}
.filing{border-top:1px solid rgba(255,255,255,.10);margin-top:24px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#8fa2b9}
.mobile-menu{display:none}
.guide-hero{padding:58px 0 42px;background:linear-gradient(135deg,#eef6ff,#f8fbff)}
.guide-hero h1{font-size:38px;margin:0 0 12px;color:#0b1f3a}
.guide-hero p{color:var(--muted);max-width:760px}
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;padding:54px 0 80px}
.guide-nav{position:sticky;top:96px;height:max-content;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff}
.guide-nav a{display:block;padding:10px 12px;border-radius:8px;color:#556b83;font-size:13px}
.guide-nav a:hover{background:#eef5ff;color:var(--blue)}
.guide-content section{padding:0 0 42px;margin-bottom:38px;border-bottom:1px solid #e4ebf2}
.guide-content h2{font-size:27px;margin:0 0 12px}
.guide-content h3{font-size:18px;margin:22px 0 8px}
.guide-content p,.guide-content li{color:#5e7288}
.guide-table{width:100%;border-collapse:collapse;margin-top:16px}
.guide-table th,.guide-table td{border:1px solid #dfe7f0;padding:13px;text-align:left;vertical-align:top}
.guide-table th{background:#f3f7fc;color:#334c68}
.note{background:#f1f7ff;border-left:3px solid var(--blue);padding:14px 16px;color:#51677f;border-radius:4px;margin:16px 0}
@media(max-width:980px){
 .links{display:none}.mobile-menu{display:inline-flex}
 .hero-grid{grid-template-columns:1fr;gap:30px;min-height:auto;padding:58px 0 78px}
 .product-visual{min-height:380px;max-width:620px;width:100%;margin:auto}
 .product-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
 .flow{grid-template-columns:1fr 1fr}.step:not(:last-child):after{display:none}
 .two-col,.company-grid{grid-template-columns:1fr}
 .cap-grid{grid-template-columns:repeat(2,1fr)}
 .guide-layout{grid-template-columns:1fr}.guide-nav{position:static;display:flex;overflow:auto}
}
@media(max-width:640px){
 .container{width:min(100% - 24px,1180px)}
 .topbar .container{min-height:34px;font-size:11px}
 .topbar .container span:last-child{display:none}
 .navin{height:60px}.brand{font-size:18px}.logo{width:33px;height:33px}
 .nav-actions .btn-light{display:none}.btn{height:42px;padding:0 15px}
 .hero-grid{padding:42px 0 62px}.hero h1{font-size:35px}.hero p{font-size:16px}
 .hero-meta{display:grid;gap:7px}
 .product-visual{min-height:335px}.mock-main{width:88%;height:285px}.mock-form{width:58%;height:215px}
 .trust-grid{grid-template-columns:1fr;margin-top:-18px}.trust-item+.trust-item{border-left:0;border-top:1px solid var(--line)}
 .section{padding:62px 0}.section h2{font-size:28px}
 .product-grid,.scene-grid,.flow,.cap-grid{grid-template-columns:1fr}
 .product-card{min-height:auto}
 .role{grid-template-columns:1fr;gap:3px}
 .rule-banner,.footer-grid{align-items:flex-start;flex-direction:column}
 .footer-links{justify-content:flex-start}
 .guide-hero h1{font-size:31px}
 .guide-table{font-size:12px}.guide-table th,.guide-table td{padding:9px}
}

/* R3 company-first overrides */
.topbar{display:none!important}.brand{min-width:390px}.brand>span:last-child{display:none}.brand:after{content:""}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-company{font-weight:900;font-size:17px;color:#0b1f3a}.brand-product{font-size:11px;color:#71829a;margin-top:4px}.hero h1{font-size:42px;margin-bottom:12px}.hero h2{font-size:33px;color:#173b66;margin:0 0 18px}.product-badge{display:inline-flex;padding:6px 10px;border:1px solid #d6e4f5;border-radius:8px;background:#fff;color:#526a84;font-size:13px;font-weight:750;margin-bottom:18px}.section-label{color:#1769df;font-weight:850;font-size:13px}.footer-product{font-size:12px;color:#91a7c0}.mock-caption{text-align:center;color:#7a8ca1;font-size:11px;margin-top:6px}
@media(max-width:1050px){.brand{min-width:315px}}
@media(max-width:640px){.navin{height:66px;gap:8px}.brand{min-width:0;flex:1;gap:8px}.brand-company{font-size:13px;white-space:nowrap}.brand-product{font-size:9px;margin-top:2px}.nav-actions{gap:6px}.nav-actions .btn{height:36px;padding:0 10px;font-size:12px}.hero h1{font-size:31px}.hero h2{font-size:25px}.mock-form{display:none!important}.product-visual{min-height:245px}.mock-main{position:relative;width:100%;height:235px;right:auto;top:auto}}

.business-mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mode-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.mode-tag{display:inline-block;padding:6px 10px;border-radius:999px;background:#eaf3ff;color:var(--blue);font-size:12px;font-weight:800;margin-bottom:12px}
.mode-card h3{font-size:21px;margin:0 0 18px}
.mode-flow{display:grid;gap:8px}.mode-flow.compact{gap:6px}
.mode-role{border:1px solid #dce6f0;border-radius:12px;padding:14px 15px;background:#fff}
.mode-role.platform{background:#f2f7ff;border-color:#cfe1f7}
.mode-role b{display:block;font-size:14px;color:#173a63;margin-bottom:3px}
.mode-role span{display:block;font-size:12px;color:#66798f}
.mode-arrow{text-align:center;color:#83a0c0;font-weight:900;line-height:1}
.mode-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.role-note{margin-top:22px;padding:16px 18px;background:#fff;border:1px solid #cfe1f7;border-left:4px solid var(--blue);border-radius:12px;color:#536b84;font-size:13px}
.form-service-page>section{padding:0 0 62px;margin-bottom:58px;border-bottom:1px solid #e2eaf2}
.three-role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.role-card{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}
.platform-card{background:#f2f7ff;border-color:#cfe1f7}
.role-num{color:var(--blue);font-weight:900;font-size:12px;letter-spacing:1px}
.role-card h3{margin:8px 0}.role-card p{color:var(--muted);font-size:14px;margin:0}
.form-process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.form-process-grid>div{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff;min-height:150px}
.form-process-grid b{display:block;margin-bottom:8px;font-size:14px}.form-process-grid span{color:var(--muted);font-size:12px}
.privacy-box{background:#f4f8fd;border:1px solid #dce7f2;border-radius:16px;padding:24px}.privacy-box p{margin:0 0 12px;color:#5b7086}.privacy-box p:last-child{margin-bottom:0}
.example-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px;border:1px solid #cfe1f7;border-radius:16px;background:#eef5ff}
.example-cta h3{margin:0 0 5px}.example-cta p{margin:0;color:var(--muted);font-size:13px}
.form-service-hero .hero-actions{margin-top:22px}
@media(max-width:980px){.business-mode-grid,.three-role-grid{grid-template-columns:1fr}.form-process-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.form-process-grid{grid-template-columns:1fr}.example-cta{align-items:flex-start;flex-direction:column}.mode-actions .btn{width:100%}}