:root{--blue:#246bfe;--blue-dark:#1746c8;--ink:#172033;--muted:#667085;--line:#e8edf5;--soft:#f5f8ff;--green:#12b981}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#fff;margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.section-inner{width:min(1200px,100% - 40px);margin:0 auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff5;border-bottom:1px solid #e8edf5d9;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;width:min(1200px,100% - 40px);height:76px;margin:0 auto;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-button{cursor:pointer;text-align:left;background:0 0;border:0;padding:0}.brand-mark{color:#fff;background:linear-gradient(135deg,#1d5cff,#28c6d8);border-radius:8px;place-items:center;width:48px;height:48px;font-weight:800;display:grid}.brand strong,.brand em{display:block}.brand strong{letter-spacing:0;font-size:20px}.brand em{color:#7b8799;margin-top:2px;font-size:11px;font-style:normal}.desktop-nav,.header-actions{align-items:center;display:flex}.desktop-nav{color:#243047;gap:34px;font-size:15px}.desktop-nav a,.desktop-nav button{cursor:pointer;background:0 0;border:0}.desktop-nav button{align-items:center;gap:4px;display:flex}.desktop-nav .active{color:var(--blue)}.header-actions{gap:12px}.ghost-btn,.primary-btn,.outline-btn{white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;min-height:42px;padding:0 22px;display:inline-flex}.primary-btn{border:1px solid var(--blue);color:#fff;background:linear-gradient(135deg, var(--blue), #4f8fff);box-shadow:0 14px 26px #246bfe38}.primary-btn.small,.ghost-btn{min-height:34px;padding:0 18px}.ghost-btn{color:var(--blue);border:1px solid #d8e3ff}.outline-btn{color:var(--blue);background:#ffffffb8;border:1px solid #c9d7ff}.menu-btn,.close-btn{background:0 0;border:0;display:none}.mega{background:#f1f4fa;height:0;transition:height .25s;position:absolute;top:76px;left:0;right:0;overflow:hidden;box-shadow:0 20px 35px #10182814}.mega.show{height:280px}.mega-inner{grid-template-columns:280px 1fr;gap:28px;width:min(1100px,100% - 40px);height:100%;margin:0 auto;padding:30px 0;display:grid}.mega-side{color:#fff;background:linear-gradient(150deg,#183c9e,#2777ff);border-radius:8px;padding:28px}.mega-side strong{font-size:24px}.mega-side p{color:#ffffffd1;line-height:1.8}.mega-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.mega-grid a,.mega-grid button{color:inherit;cursor:pointer;text-align:left;background:#fff;border:0;border-radius:8px;gap:12px;padding:22px;display:flex}.mega-grid svg{color:var(--blue);flex:none}.mega-grid strong,.mega-grid em{display:block}.mega-grid em{color:var(--muted);margin-top:8px;font-style:normal;line-height:1.6}.hero{background:#eef5ff;min-height:650px;position:relative;overflow:hidden}.hero-bg{background:radial-gradient(circle at 72% 22%,#1d5cff33,#0000 28%),linear-gradient(120deg,#f7fbff 0%,#edf5ff 42%,#dceaff 100%);position:absolute;inset:0}.hero-bg:after{content:"";background:linear-gradient(#fff0,#fff);height:180px;position:absolute;inset:auto 0 0}.hero-inner{grid-template-columns:.92fr 1.08fr;align-items:center;gap:52px;min-height:650px;padding:60px 0 72px;display:grid;position:relative}.eyebrow,.section-head span,.solution-content span,.case-band span{color:var(--blue);font-size:13px;font-weight:700}.eyebrow.dark{color:#6e7c91}.hero h1{margin:18px 0 8px;font-size:56px;line-height:1.12}.hero h2{color:#2453b8;margin:0;font-size:32px;font-weight:700}.hero p{color:#4d5b72;max-width:560px;margin:22px 0 0;font-size:18px;line-height:1.9}.hero-actions{gap:14px;margin-top:34px;display:flex}.hero-dots{gap:8px;margin-top:38px;display:flex}.hero-dots button{cursor:pointer;background:#b9c7de;border:0;border-radius:99px;width:26px;height:4px;padding:0}.hero-dots button.active{background:var(--blue);width:46px}.hero-visual{min-height:470px;position:relative}.screen{background:#ffffffdb;border:1px solid #fffc;border-radius:8px;width:86%;min-height:420px;position:absolute;top:10px;right:0;overflow:hidden;box-shadow:0 30px 80px #1746c82e}.screen-top{border-bottom:1px solid var(--line);align-items:center;gap:8px;height:46px;padding:0 18px;display:flex}.screen-top span{background:#c7d3e6;border-radius:50%;width:8px;height:8px}.screen-top strong{color:#344054;margin-left:10px}.screen-body{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px;display:grid}.metric,.chat-card{background:#fff;border:1px solid #e4ebf7;border-radius:8px;padding:18px}.metric b,.metric em{display:block}.metric b{color:var(--blue);font-size:30px}.metric.green b{color:var(--green)}.metric em{color:var(--muted);margin-top:6px;font-style:normal}.chart-bars{background:linear-gradient(#f8fbff,#edf4ff);border-radius:8px;grid-column:span 2;align-items:end;gap:14px;height:145px;padding:18px;display:flex}.chart-bars i{background:linear-gradient(#2c7dff,#9dc1ff);border-radius:4px 4px 0 0;flex:1;min-width:18px}.chat-card{grid-column:span 2;align-items:center;gap:10px;display:flex}.chat-card svg{color:var(--blue)}.hero-visual img{border-radius:8px;width:48%;position:absolute;bottom:0;left:0;box-shadow:0 18px 50px #183c9e38}.section{padding:86px 0}.section-head{text-align:center;margin-bottom:42px}.section-head h2,.proof h2,.contact h2,.case-band h2,.solution-content h2{margin:12px 0 0;font-size:36px;line-height:1.3}.section-head p{max-width:760px;color:var(--muted);margin:14px auto 0;line-height:1.8}.products{background:#fff}.capability-grid,.feature-grid,.faq-grid{gap:22px;display:grid}.capability-grid{grid-template-columns:repeat(4,1fr)}.capability-grid article,.feature-card,.faq-grid article{border:1px solid var(--line);background:#fff;border-radius:8px;box-shadow:0 12px 30px #1018280a}.capability-grid article{min-height:250px;padding:28px}.capability-grid svg,.feature-title svg{color:var(--blue)}.capability-grid h3,.feature-card h3,.faq-grid h3{margin:18px 0 10px;font-size:20px}.capability-grid p,.faq-grid p{color:var(--muted);margin:0;line-height:1.8}.features,.faq{background:#f6f9ff}.feature-grid{grid-template-columns:repeat(3,1fr)}.feature-card{padding:24px}.feature-title{align-items:center;gap:12px;display:flex}.feature-card h3{margin:0}.feature-card ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:22px 0 0;padding:0;list-style:none;display:grid}.feature-card li{color:#4f5f77;font-size:14px}.feature-card li:before{content:"";background:var(--blue);vertical-align:2px;border-radius:50%;width:6px;height:6px;margin-right:8px;display:inline-block}.solutions{background:linear-gradient(90deg,#fff 0%,#f4f8ff 100%)}.solution-layout{grid-template-columns:180px 1fr 360px;align-items:stretch;gap:34px;display:grid}.solution-tabs{background:#fff;border-radius:8px;flex-direction:column;padding:18px;display:flex;box-shadow:0 12px 30px #1018280f}.solution-tabs button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;height:52px;padding:0 16px}.solution-tabs button.active{color:var(--blue);background:#eef4ff;font-weight:700}.solution-content{padding:36px 18px}.solution-content p{color:var(--muted);margin:18px 0 0;font-size:17px;line-height:1.9}.solution-points{flex-wrap:wrap;gap:12px;margin:26px 0 30px;display:flex}.solution-points em{color:#2453b8;background:#eaf2ff;border-radius:6px;padding:9px 14px;font-style:normal}.solution-image img,.proof img{object-fit:cover;border-radius:8px;width:100%;height:100%;box-shadow:0 18px 45px #1018281f}.proof{background:#fff}.proof-grid{grid-template-columns:1fr 430px;align-items:center;gap:52px;display:grid}.proof p{color:var(--muted);font-size:17px;line-height:1.9}.stats{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px;display:grid}.stats strong{background:var(--soft);border-radius:8px;padding:18px}.stats b,.stats em{display:block}.stats b{color:var(--blue);font-size:26px}.stats em{color:var(--muted);margin-top:8px;font-style:normal;font-weight:400}.case-band{grid-template-columns:.86fr 1.14fr;align-items:center;gap:28px;margin-bottom:36px;display:grid}.case-band p{color:var(--muted);line-height:1.8}.logo-wall{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.logo-wall em{color:#536179;border:1px solid var(--line);background:#fff;border-radius:8px;place-items:center;height:72px;font-style:normal;display:grid}.faq-grid{grid-template-columns:repeat(2,1fr)}.faq-grid article{padding:26px}.contact{color:#fff;background:linear-gradient(135deg,#12368f,#2175ff);padding:72px 0}.contact-inner{grid-template-columns:.85fr 1.15fr;align-items:center;gap:42px;display:grid}.contact p{color:#ffffffc7;line-height:1.8}.contact form{background:#ffffff24;border-radius:8px;grid-template-columns:repeat(4,1fr);gap:12px;padding:18px;display:grid}.contact input,.contact select{background:#fff;border:0;border-radius:6px;min-width:0;height:44px;padding:0 14px}.contact .primary-btn{color:var(--blue);box-shadow:none;background:#fff;border-color:#fff}.footer{color:#ffffffb8;background:#111827;padding:46px 0 34px}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:34px;display:grid}.footer strong,.footer h4{color:#fff}.footer a,.footer p{margin:10px 0 0;display:block}.float-bar{z-index:45;border:1px solid var(--line);background:#fff;border-radius:8px;flex-direction:column;display:flex;position:fixed;top:42%;right:18px;overflow:hidden;box-shadow:0 16px 36px #10182824}.float-bar a{color:#4a5a72;border-bottom:1px solid var(--line);flex-direction:column;align-items:center;gap:5px;width:74px;padding:14px 8px;font-size:12px;display:flex}.float-bar a:last-child{border-bottom:0}.float-bar svg{color:var(--blue)}@media (width<=980px){.desktop-nav,.ghost-btn,.primary-btn.small,.float-bar{display:none}.menu-btn{display:inline-flex}.mobile-panel{background:#fff;width:min(82vw,340px);min-height:100vh;padding:28px;position:fixed;inset:0 0 auto auto;box-shadow:-20px 0 50px #1018282e}.mobile-panel a,.mobile-panel button{border:0;border-bottom:1px solid var(--line);width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;padding:18px 0;display:block}.mobile-panel .active{color:var(--blue);font-weight:700}.close-btn{margin-left:auto;display:block}.hero-inner,.proof-grid,.contact-inner,.case-band,.solution-layout{grid-template-columns:1fr}.hero h1{font-size:42px}.hero h2,.section-head h2,.proof h2,.contact h2,.case-band h2,.solution-content h2{font-size:28px}.hero-visual{min-height:420px}.capability-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.contact form,.footer-grid{grid-template-columns:1fr 1fr}}@media (width<=640px){.section-inner,.header-inner{width:min(100% - 28px,1200px)}.brand-mark{width:42px;height:42px}.brand strong{font-size:17px}.hero{min-height:auto}.hero-inner{min-height:auto;padding:46px 0 62px}.hero h1{font-size:34px}.hero h2{font-size:22px}.hero p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.screen{width:100%;min-height:auto;position:relative}.hero-visual{min-height:auto}.hero-visual img{display:none}.capability-grid,.feature-grid,.faq-grid,.stats,.logo-wall,.contact form,.footer-grid{grid-template-columns:1fr}.section{padding:62px 0}.solution-tabs{grid-template-columns:repeat(2,1fr);display:grid}}