:root{--ink:#0a1020;--muted:#667085;--line:#e4e8f0;--blue:#2f6bff;--page:#f5f7fb;--good:#15803d;--bad:#c62828}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 15% 0,rgba(80,116,255,.11),transparent 27%),var(--page);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}.site-header{height:72px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(248,250,253,.8);border-bottom:1px solid rgba(17,24,39,.07);position:sticky;top:0;z-index:10;backdrop-filter:blur(20px)}
.logo{display:flex;align-items:center;gap:10px}.logo i{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#0b1220,#2c426f);font-size:14px;font-style:normal;font-weight:700}.logo span{font-size:13px;font-weight:750;letter-spacing:.14em}.site-header nav{display:flex;gap:27px;align-items:center;color:#475467;font-size:13px}.workbench-link{padding:10px 16px;border:1px solid #d0d5dd;border-radius:999px;color:var(--ink);background:rgba(255,255,255,.65)}
main{max-width:1180px;margin:auto;padding:0 24px}.hero{min-height:650px;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.eyebrow{color:var(--blue);font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}.hero h1{font-size:58px;line-height:1.1;letter-spacing:-.055em;margin:19px 0}.hero-copy>p{font-size:18px;line-height:1.9;color:var(--muted);max-width:660px}.hero-actions{display:flex;gap:12px;margin:30px 0 23px}.primary-button,.secondary-button,.ai-button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 21px;font-weight:700;border:0;cursor:pointer;font-size:14px}.primary-button{background:var(--ink);color:#fff}.primary-button:hover{background:#25304a}.secondary-button{background:#fff;border:1px solid var(--line)}.ai-button{background:var(--blue);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}.trust-row{display:flex;gap:22px;color:var(--muted);font-size:12px;flex-wrap:wrap}.trust-row span:before{content:"";display:inline-block;width:5px;height:5px;margin:0 7px 2px 0;border-radius:50%;background:#7b9cff}
.hero-visual{--mx:0;--my:0;position:relative;height:440px;border-radius:32px;background:linear-gradient(145deg,#060b16,#101b35 58%,#22386d);box-shadow:0 38px 90px rgba(12,27,57,.24);overflow:hidden;isolation:isolate;perspective:850px}.hero-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 42%,rgba(255,255,255,.035) 42.2%,transparent 42.7%),linear-gradient(25deg,transparent 67%,rgba(132,160,224,.09) 67.2%,transparent 67.7%);z-index:-1}.visual-field{position:absolute;inset:0;width:100%;height:100%;opacity:.8}.visual-stage{position:absolute;inset:0;transform:rotateX(calc(var(--my)*-3deg)) rotateY(calc(var(--mx)*4deg)) translate3d(calc(var(--mx)*8px),calc(var(--my)*8px),0);transform-style:preserve-3d;transition:transform .18s ease-out}.visual-glow{position:absolute;width:340px;height:340px;left:47px;top:38px;border-radius:50%;background:radial-gradient(circle,rgba(73,114,232,.33),rgba(41,67,125,.1) 45%,transparent 70%);filter:blur(12px);animation:glow-pulse 4s ease-in-out infinite}.cycle{position:absolute;border:1px solid rgba(145,171,235,.26);border-radius:50%;transform-style:preserve-3d}.cycle:before,.cycle:after{content:"";position:absolute;inset:8%;border-radius:50%;border-top:1px solid rgba(133,173,255,.7);border-right:1px solid transparent;filter:drop-shadow(0 0 6px rgba(97,142,255,.5))}.cycle:after{inset:20%;border-top-color:rgba(172,120,255,.55);transform:rotate(130deg)}.cycle i{position:absolute;width:7px;height:7px;border-radius:50%;background:#a8bdff;box-shadow:0 0 5px #fff,0 0 22px rgba(100,148,255,.95)}.cycle i:nth-child(2){width:4px;height:4px;background:#d6a7ff}.cycle-one{width:350px;height:350px;left:42px;top:35px;animation:orbit-cw 18s linear infinite}.cycle-one i:first-child{left:42px;top:29px}.cycle-one i:nth-child(2){right:31px;bottom:58px}.cycle-two{width:250px;height:250px;left:92px;top:85px;animation:orbit-ccw 12s linear infinite}.cycle-two i:first-child{right:24px;bottom:39px}.cycle-two i:nth-child(2){left:15px;top:94px}.cycle-three{width:150px;height:150px;left:142px;top:135px;animation:orbit-cw 8s linear infinite}.cycle-three i{left:5px;bottom:38px}.energy-wave{position:absolute;left:217px;top:210px;width:1px;height:1px;border-radius:50%;box-shadow:0 0 0 0 rgba(104,146,255,.38);animation:wave-out 3.8s ease-out infinite}.wave-two{animation-delay:-1.9s}.visual-axis{position:absolute;height:1px;transform-origin:left center;background:linear-gradient(90deg,transparent,rgba(133,161,227,.38),transparent);animation:axis-shimmer 5s ease-in-out infinite}.axis-one{width:500px;left:-55px;top:215px;transform:rotate(-18deg)}.axis-two{width:470px;left:20px;top:250px;transform:rotate(31deg);animation-delay:-2.5s}.scan-line{position:absolute;top:-20%;left:-30%;width:34%;height:140%;background:linear-gradient(90deg,transparent,rgba(142,178,255,.09),transparent);transform:skewX(-18deg);animation:scan-pass 6s ease-in-out infinite}.visual-seal{position:absolute;left:181px;top:170px;width:72px;height:72px;display:grid;grid-template-columns:1fr 1fr;place-items:center;border:1px solid rgba(201,214,250,.62);color:#f3f6ff;background:rgba(7,16,35,.58);font-family:"STSong","Songti SC",serif;font-size:22px;letter-spacing:.05em;transform:translateZ(55px) rotate(45deg);box-shadow:0 0 30px rgba(95,135,235,.25),inset 0 0 25px rgba(106,146,255,.12);backdrop-filter:blur(10px);animation:seal-float 4s ease-in-out infinite}.visual-seal:before{content:"";position:absolute;inset:-7px;border:1px solid rgba(142,171,242,.18)}.visual-seal span{transform:rotate(-45deg)}.visual-caption{position:absolute;right:28px;bottom:29px;max-width:190px;padding:17px 18px;border-top:1px solid rgba(153,178,235,.35);color:#fff;transform:translate3d(calc(var(--mx)*-5px),calc(var(--my)*-4px),0)}.visual-caption b{font-family:"STSong","Songti SC",serif;font-size:16px;font-weight:500;letter-spacing:.08em}.visual-caption p{margin:7px 0 0;color:#91a0bd;font-size:10px;line-height:1.6}@keyframes orbit-cw{to{transform:rotate(360deg)}}@keyframes orbit-ccw{to{transform:rotate(-360deg)}}@keyframes glow-pulse{0%,100%{transform:scale(.9);opacity:.65}50%{transform:scale(1.08);opacity:1}}@keyframes wave-out{0%{box-shadow:0 0 0 0 rgba(104,146,255,.42);opacity:1}100%{box-shadow:0 0 0 175px rgba(104,146,255,0);opacity:0}}@keyframes scan-pass{0%,20%{transform:translateX(-100%) skewX(-18deg);opacity:0}45%{opacity:1}75%,100%{transform:translateX(460%) skewX(-18deg);opacity:0}}@keyframes axis-shimmer{0%,100%{opacity:.25}50%{opacity:.85}}@keyframes seal-float{0%,100%{transform:translateZ(55px) translateY(-3px) rotate(45deg)}50%{transform:translateZ(70px) translateY(4px) rotate(45deg)}}
.philosophy{padding:35px 0 110px}.section-intro{max-width:720px}.section-intro h2,.section-heading h2,.private-cta h2{font-size:36px;line-height:1.25;letter-spacing:-.035em;margin:13px 0}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}.capabilities article{background:rgba(255,255,255,.78);border:1px solid rgba(17,24,39,.07);border-radius:18px;padding:25px;box-shadow:0 14px 40px rgba(16,24,40,.04)}.capabilities article>span{color:var(--blue);font-weight:800}.capabilities h3{font-size:17px;margin:35px 0 10px}.capabilities p{color:var(--muted);line-height:1.75;margin:0;font-size:13px}
.experience{scroll-margin-top:95px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-heading>div:first-child{max-width:790px}.section-heading p,.private-cta p{color:var(--muted);line-height:1.7}.quota{background:#e9efff;color:#174ea6;padding:10px 14px;border-radius:999px;font-size:12px}.control-bar{background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:18px;padding:16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.control-bar>span{margin-left:auto;color:var(--muted);font-size:12px}.demo-file{flex:1 1 100%;display:grid;grid-template-columns:210px minmax(240px,1fr);gap:8px 14px;align-items:center;padding:4px 4px 14px;border-bottom:1px solid var(--line)}.demo-file span{color:#344054;font-size:12px;font-weight:650}.demo-file input{width:100%;padding:8px;border:1px solid var(--line);border-radius:10px;background:#f8f9fc}.demo-file small{grid-column:2;color:var(--muted);font-size:10px}.result-shell{margin-top:18px}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.kpi{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px}.kpi span{display:block;color:var(--muted);font-size:11px}.kpi strong{font-size:24px;display:block;margin-top:10px}.kpi strong.bad{color:var(--bad)}
.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}.result-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px}.result-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.result-title h3{margin:0;font-size:17px}.result-title span{font-size:11px;color:var(--muted)}.priority-item{border-left:3px solid var(--blue);padding:10px 13px;margin:10px 0;background:#f8f9fc}.priority-item b{display:block;margin-bottom:5px}.priority-item p,.ai-copy p{margin:0;color:#475467;line-height:1.7;font-size:13px}.empty-state{color:var(--muted);padding:24px 0}.ai-copy strong{font-size:17px}.ai-copy ul{padding-left:20px;color:#475467;line-height:1.7}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:13px 10px;border-top:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:600}.tag{display:inline-block;padding:5px 8px;border-radius:999px;background:#fff1f2;color:#be123c}.private-cta{margin:95px 0 60px;padding:42px;border-radius:26px;color:#fff;background:linear-gradient(135deg,#101827,#21365f);display:flex;align-items:center;justify-content:space-between;gap:30px}.private-cta p{color:#b7c2d7}.private-cta .eyebrow{color:#8dacff}.private-cta .primary-button{background:#fff;color:var(--ink)}footer{text-align:center;color:#98a2b3;padding:28px;font-size:12px}
@media(max-width:900px){.site-header nav>a:not(.workbench-link){display:none}.hero{grid-template-columns:1fr;padding:70px 0}.hero h1{font-size:44px}.hero-visual{height:400px}.capabilities{grid-template-columns:1fr 1fr}.decision-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:1fr 1fr}.section-heading,.private-cta{align-items:flex-start;flex-direction:column}.control-bar{flex-wrap:wrap}.control-bar span{width:100%;margin:0}}
@media(max-width:540px){main{padding:0 16px}.hero h1{font-size:37px}.hero-actions{flex-direction:column}.capabilities,.kpi-grid{grid-template-columns:1fr}.hero-visual{height:340px}.cycle-one{left:15px;top:5px}.cycle-two{left:60px;top:50px}.cycle-three{left:108px;top:97px}.visual-seal{left:145px;top:134px}.visual-caption{right:16px;bottom:15px}.site-header{padding:0 16px}.workbench-link{font-size:12px;padding:8px 10px}.demo-file{grid-template-columns:1fr}.demo-file small{grid-column:auto}}
@media(prefers-reduced-motion:reduce){.cycle,.visual-glow,.energy-wave,.scan-line,.visual-axis,.visual-seal{animation:none}.visual-stage{transform:none}}

/* Circular core: keep the center consistent with the orbital visual language. */
.visual-seal{left:171px;top:160px;width:92px;height:92px;display:flex;align-items:center;justify-content:center;gap:5px;grid-template-columns:none;border-color:rgba(201,214,250,.48);border-radius:50%;background:radial-gradient(circle at 45% 38%,rgba(62,94,170,.5),rgba(7,16,35,.68) 62%,rgba(5,12,28,.86));font-size:23px;letter-spacing:.08em;transform:translateZ(55px);box-shadow:0 0 34px rgba(95,135,235,.28),inset 0 0 28px rgba(106,146,255,.16);animation:seal-circle-float 4s ease-in-out infinite}
.visual-seal:before,.visual-seal:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.visual-seal:before{inset:-9px;border:1px solid rgba(142,171,242,.2)}
.visual-seal:after{inset:12px;border:1px solid rgba(183,201,248,.12);box-shadow:inset 0 0 18px rgba(114,153,255,.12)}
.visual-seal span{position:relative;z-index:1;transform:none;text-shadow:0 0 12px rgba(185,205,255,.55)}
@keyframes seal-circle-float{0%,100%{transform:translateZ(55px) translateY(-3px) scale(.98)}50%{transform:translateZ(70px) translateY(4px) scale(1.03)}}
@media(max-width:540px){.visual-seal{left:135px;top:124px}}
@media(prefers-reduced-motion:reduce){.visual-seal{animation:none;transform:translateZ(55px)}}

/* Keep every pulse radial: avoid rectangular backdrop-filter compositing. */
.visual-seal{backdrop-filter:none;animation:seal-circle-float 4s ease-in-out infinite}
.visual-seal:before{inset:-10px;border:1px solid rgba(142,171,242,.24);background:radial-gradient(circle,rgba(100,143,255,.13) 0,rgba(100,143,255,.06) 48%,transparent 70%);animation:core-ripple 3.6s cubic-bezier(.2,.6,.25,1) infinite}
.visual-seal:after{inset:12px}
@keyframes seal-circle-float{0%,100%{transform:translateZ(55px) translateY(-3px)}50%{transform:translateZ(70px) translateY(4px)}}
@keyframes core-ripple{0%{transform:scale(.82);opacity:.8}70%,100%{transform:scale(1.65);opacity:0}}
@media(prefers-reduced-motion:reduce){.visual-seal:before{animation:none;transform:none;opacity:.45}}

/* Paint the core only on a clipped circular layer, never on the 3D container. */
.visual-seal{border:0;background:none;box-shadow:none;isolation:isolate}
.visual-seal:before{z-index:-2}
.visual-seal:after{z-index:-1;inset:0;border:1px solid rgba(201,214,250,.48);background:radial-gradient(circle at 45% 38%,rgba(62,94,170,.62),rgba(7,16,35,.78) 62%,rgba(5,12,28,.92));box-shadow:0 0 34px rgba(95,135,235,.28),inset 0 0 28px rgba(106,146,255,.16);clip-path:circle(50% at 50% 50%)}

/* SVG core: every visible layer is a real circle, so no rectangular compositor can appear. */
.visual-core{position:absolute;left:137px;top:126px;width:160px;height:160px;overflow:visible;transform:translateZ(55px);filter:none;animation:svg-core-float 4s ease-in-out infinite}
.core-disc{fill:url(#coreFill);stroke:rgba(210,222,255,.56);stroke-width:1}
.core-inner{fill:none;stroke:rgba(160,187,255,.2);stroke-width:1}
.core-halo{fill:none;stroke:rgba(143,175,255,.38);stroke-width:1}
.core-wave{fill:none;stroke:#7ea2ff;stroke-width:1.2;transform-box:fill-box;transform-origin:center;animation:svg-core-wave 3.8s cubic-bezier(.2,.6,.25,1) infinite}
.core-wave-two{animation-delay:-1.9s}
.core-text{fill:#f3f6ff;font-family:"STSong","Songti SC",serif;font-size:23px;letter-spacing:5px;text-shadow:0 0 12px rgba(185,205,255,.55)}
@keyframes svg-core-float{0%,100%{transform:translateZ(55px) translateY(-3px)}50%{transform:translateZ(70px) translateY(4px)}}
@keyframes svg-core-wave{0%{transform:scale(.75);opacity:.75}75%,100%{transform:scale(1.55);opacity:0}}
@media(max-width:540px){.visual-core{left:101px;top:90px}}
@media(prefers-reduced-motion:reduce){.visual-core,.core-wave{animation:none}.core-wave{opacity:.28}}

footer{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}
footer a{color:#98a2b3;text-decoration:none}
footer a:hover{color:var(--blue)}

/* Final static hero visual: no canvas, transforms, filters, waves or animated layers. */
.hero-visual{perspective:none}
.visual-stage{transform:none;transition:none;transform-style:flat}
.visual-glow{filter:none;animation:none;background:radial-gradient(circle,rgba(73,114,232,.2),rgba(41,67,125,.06) 52%,transparent 72%)}
.cycle,.cycle-one,.cycle-two,.cycle-three,.visual-axis{animation:none;transform-style:flat}
.scan-line,.energy-wave,.visual-core,.visual-seal{display:none}
.static-core{position:absolute;left:171px;top:160px;width:92px;height:92px;display:grid;place-items:center;border:1px solid rgba(201,214,250,.5);border-radius:50%;background:radial-gradient(circle at 42% 36%,#4f72c4 0,#152752 58%,#071024 100%);box-shadow:0 0 22px rgba(95,135,235,.22),inset 0 0 22px rgba(106,146,255,.14);overflow:hidden}
.static-core:before{content:"";position:absolute;inset:9px;border:1px solid rgba(170,194,255,.18);border-radius:50%}
.static-core span{position:relative;color:#f3f6ff;font-family:"STSong","Songti SC",serif;font-size:23px;letter-spacing:5px;text-shadow:0 0 8px rgba(185,205,255,.42)}
@media(max-width:540px){.static-core{left:135px;top:124px}}