:root{--bg-0:#050f13;--bg-1:#08161b;--bg-2:#0c1f24;--panel:#0f262c;--panel-2:#122a30;--border:#2dd4bf29;--border-strong:#2dd4bf52;--teal:#20d9b8;--cyan:#31d8e8;--teal-dim:#178e79;--text-hi:#eaf6f5;--text-md:#a9c2c1;--text-lo:#6f8a8a;--danger:#b3444a;--purple:#8b7cf6;--amber:#e8b544;--radius-lg:18px;--radius-md:14px;--radius-sm:10px;--maxw:1200px;font-size:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:80px}body{background:radial-gradient(1200px 600px at 15% -10%, #20d9b81a, transparent 60%), radial-gradient(900px 500px at 90% 10%, #31d8e814, transparent 55%), linear-gradient(180deg,var(--bg-0),var(--bg-1) 30%,var(--bg-2) 100%);color:var(--text-hi);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:PingFang SC,Microsoft YaHei,Segoe 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.brand-logo{height:44px}.nav-links{flex:1;justify-content:center;align-items:center;margin-top:6px;padding:0 50px;display:flex}.nav-links li{white-space:nowrap;margin-right:4.3vw}.nav-links li:last-child{margin-right:0}.nav-links a{color:#fff;padding:10px 0;font-size:18px;font-weight:700;transition:color .5s;display:block}.nav-links a:hover,.nav-links li.active a{color:var(--teal)}.nav-right{align-items:center;margin-top:6px;display:flex}.login-btn{color:#fff;white-space:nowrap;align-items:center;font-size:18px;font-weight:700;transition:color .5s;display:flex}.login-btn:before{content:"";background:#ffffff4d;width:1px;height:45px;margin-right:20px}.login-btn:hover{color:var(--teal)}.burger{z-index:2;cursor:pointer;background:0 0;border:0;width:42px;height:33px;padding:10px;display:none;position:relative}.burger i{background:#fff;border-radius:1px;height:2px;transition:transform .5s ease-in-out,opacity .5s ease-in-out,width .5s ease-in-out;position:absolute;left:10px}.burger i:first-child{width:20px;top:9px}.burger i:nth-child(2){width:22px;top:16px}.burger i:nth-child(3){width:18px;top:23px}.burger[aria-expanded=true] i:first-child{width:22px;transform:translateY(7px)rotate(-45deg)}.burger[aria-expanded=true] i:nth-child(2){opacity:0}.burger[aria-expanded=true] i:nth-child(3){width:22px;transform:translateY(-7px)rotate(45deg)}.mobile-menu{z-index:1;background:#0b1a1f;height:0;padding:0 20px;transition:height .5s;position:fixed;top:0;left:0;right:0;overflow:auto}.mobile-menu.open{height:100vh}.mobile-menu-inner{padding:calc(var(--hdr-h) + 6px) 0 40px}.mobile-menu a{color:#fff;border-bottom:1px solid #ffffff24;height:53px;font-size:15px;line-height:53px;transition:color .3s;display:block}.mobile-menu a:first-child{border-top:1px solid #ffffff24}.mobile-menu a.active,.mobile-menu a:hover{color:var(--teal)}.mobile-menu 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small{margin-left:3px;font-size:.9rem}.stat-item>span{color:var(--text-lo);margin-top:6px;font-size:.78rem;display:block}section{padding:88px 0}.sec-alt{background:#ffffff03;border-top:1px solid #ffffff0d;border-bottom:1px solid #ffffff0d}.sec-head{text-align:center;margin-bottom:52px}.sec-eyebrow{letter-spacing:1.6px;color:var(--teal);text-transform:uppercase;margin-bottom:12px;font-size:.66rem;font-weight:700;display:block}.sec-head h2{letter-spacing:1px;align-items:center;gap:16px;font-size:2rem;font-weight:800;line-height:1.4;display:inline-flex}.sec-head h2:before,.sec-head h2:after{content:"";background:linear-gradient(90deg,transparent,var(--teal));flex-shrink:0;width:26px;height:2px}.sec-head h2:after{background:linear-gradient(90deg,var(--teal),transparent)}.sec-head p{color:var(--text-lo);max-width:760px;margin:14px auto 0;font-size:.92rem;line-height:1.8}.sec-head.left{text-align:left;margin-bottom:28px}.sec-head.left h2{display:block}.sec-head.left h2:before,.sec-head.left 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var(--border-strong);width:68px;height:68px;color:var(--teal);z-index:1;border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;transition:box-shadow .2s,transform .2s;display:flex;position:relative}.flow-step:hover .flow-icon{transform:translateY(-3px);box-shadow:0 0 0 6px #20d9b81a}.flow-icon svg{width:30px;height:30px}.flow-step.is-hl .flow-icon{background:linear-gradient(135deg,var(--teal),var(--cyan));color:#04211c;border-color:#0000}.flow-tag{letter-spacing:1.4px;color:var(--teal);margin-bottom:6px;font-size:.62rem;font-weight:700}.flow-step h4{margin-bottom:8px;font-size:.98rem;font-weight:700}.flow-step p{color:var(--text-lo);max-width:200px;font-size:.76rem;line-height:1.7}.flow-step small{color:var(--teal);border:1px solid var(--border);background:#20d9b814;border-radius:999px;margin-top:12px;padding:4px 10px;font-size:.7rem;display:inline-block}.vflow{flex-direction:column;gap:0;display:flex}.vstep{grid-template-columns:56px 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