:root{--ink:#11141a;--muted:#777d87;--line:#e4e7eb;--blue:#175cff;--paper:#f6f7f8;--dark:#101521}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}
a{color:inherit;text-decoration:none}.nav{height:86px;padding:0 5vw;display:flex;align-items:center;border-bottom:1px solid var(--line);position:fixed;inset:0 0 auto;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:3px}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;font:500 19px STSong,SimSun,serif}.brand small{display:block;font-size:7px;letter-spacing:2.2px;color:#9499a1;margin-top:4px}
.nav nav{display:flex;gap:38px;margin-left:auto;margin-right:48px;font-size:13px}.nav nav a{position:relative}.nav nav a:after{content:"";position:absolute;height:1px;inset:auto 100% -8px 0;background:var(--blue);transition:.3s}.nav nav a:hover:after{right:0}
.nav-cta{font-size:12px;border:1px solid #cfd4db;padding:11px 16px}.hero{min-height:100vh;padding:150px 7vw 80px;position:relative;overflow:hidden;display:flex;align-items:center}
#market-field{position:absolute;inset:0;width:100%;height:100%;opacity:.42;pointer-events:none}.hero-copy{position:relative;z-index:2;width:52%}.eyebrow,.section-head span,.method-copy>span,.risk>div>span,.contact>span{font-size:10px;letter-spacing:3px;color:#6f7782}.eyebrow i,.live i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:9px;box-shadow:0 0 0 5px rgba(23,92,255,.1)}
.hero h1{font:500 clamp(58px,7vw,108px)/1.05 STSong,SimSun,serif;letter-spacing:-6px;margin:25px 0 35px}.hero h1 em{font-style:normal;color:var(--blue)}.hero-lead{max-width:590px;color:#69707b;font-size:17px;line-height:2}
.hero-actions{display:flex;align-items:center;gap:30px;margin-top:40px}.primary{background:var(--ink);color:#fff;padding:16px 21px;font-size:13px}.primary span{margin-left:45px;color:#88aaff}.live{font-size:11px;color:#777d87}.live i{background:#24bc79;box-shadow:0 0 0 5px rgba(36,188,121,.1)}
.quant-orbit{position:absolute;right:3vw;top:50%;width:min(47vw,680px);height:min(47vw,680px);transform:translateY(-47%)}.orbit{position:absolute;border:1px solid #dfe3e8;border-radius:50%;animation:spin 22s linear infinite}.orbit-a{inset:4%}.orbit-b{inset:17%;border-style:dashed;animation-duration:15s;animation-direction:reverse}.orbit-c{inset:31%;animation-duration:9s}
.orbit i{position:absolute;width:10px;height:10px;background:var(--blue);border-radius:50%;top:12%;left:15%;box-shadow:0 0 0 8px rgba(23,92,255,.08)}.orbit-b i{background:#111;top:auto;left:auto;right:8%;bottom:27%}.core{position:absolute;inset:37%;border:1px solid #d8dce2;background:rgba(255,255,255,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 30px 80px rgba(30,52,93,.09)}.core small{font-size:9px;letter-spacing:3px;color:#999}.core strong{font:400 68px/1 STSong,serif;color:var(--blue)}.core span{font-size:6px;letter-spacing:1px;color:#999}
.signal{position:absolute;background:#fff;border:1px solid #dfe3e8;padding:12px 15px;display:flex;gap:12px;align-items:center;font-size:11px;box-shadow:0 12px 30px rgba(30,52,93,.06)}.signal b{color:var(--blue);font-size:9px}.signal-a{left:2%;top:28%}.signal-b{right:0;top:38%}.signal-c{right:13%;bottom:11%}
.scroll-hint{position:absolute;left:7vw;bottom:28px;font-size:9px;color:#999;letter-spacing:2px}.scroll-hint span{display:inline-block;width:50px;height:1px;background:#bbb;vertical-align:middle;margin-right:12px;position:relative}.scroll-hint span:after{content:"";position:absolute;width:15px;height:1px;background:var(--blue);animation:scan 2s ease-in-out infinite}
.manifesto{padding:150px 9vw;background:var(--ink);color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:10vw}.manifesto>p{font:400 clamp(36px,4vw,62px)/1.45 STSong,SimSun,serif;margin:0}.manifesto>div{align-self:end}.manifesto span{font-size:9px;letter-spacing:4px;color:#648df2}.manifesto>div p{color:#a7abb3;line-height:2;font-size:15px}
.system{padding:140px 7vw}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:60px}.section-head h2,.method h2,.risk h2,.contact h2{font:400 clamp(38px,4.5vw,66px)/1.25 STSong,SimSun,serif;margin:14px 0 0}.section-head>p{max-width:410px;color:var(--muted);line-height:1.9}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr)}.capability-grid article{min-height:470px;border:1px solid var(--line);padding:30px;position:relative;display:flex;flex-direction:column}.capability-grid article+article{border-left:0}.capability-grid .dark{background:var(--dark);color:#fff;border-color:var(--dark)}.number{font-size:10px;color:#8b929d}.mini-chart{height:150px;margin:35px 0;position:relative}.bars{display:flex;align-items:end;gap:12px;padding:20px}.bars i{flex:1;background:#dce4f7;height:35%}.bars i:nth-child(2){height:68%}.bars i:nth-child(3){height:48%}.bars i:nth-child(4){height:88%;background:var(--blue)}.bars i:nth-child(5){height:64%}.bars i:nth-child(6){height:100%}.wave svg{width:100%;height:100%}.wave path{fill:none;stroke:#5684ff;stroke-width:1.5;stroke-dasharray:420;animation:draw 4s ease-in-out infinite}
.rings i{position:absolute;border:1px solid #cfd8ea;border-radius:50%;inset:5px 26%}.rings i:nth-child(2){inset:28px 33%;border-style:dashed}.rings b{position:absolute;inset:0;display:grid;place-items:center;color:var(--blue);font-size:10px;letter-spacing:3px}.capability-grid h3{font:400 28px STSong,SimSun,serif;margin:5px 0 12px}.capability-grid p{color:#7c828c;line-height:1.9;font-size:14px}.dark p{color:#939aa7}.capability-grid article>small{margin-top:auto;font-size:7px;letter-spacing:2px;color:#9ca2ab}
.method{padding:150px 8vw;background:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:10vw}.method-copy p{color:var(--muted);line-height:2;max-width:560px}.method-flow{border-top:1px solid #d9dde3}.method-flow>div{display:grid;grid-template-columns:65px 1fr;padding:24px 0;border-bottom:1px solid #d9dde3;align-items:center}.method-flow b{font-size:10px;color:var(--blue)}.method-flow span{font:400 21px STSong,SimSun,serif}.method-flow small{float:right;font:500 7px system-ui;color:#9b9fa6;letter-spacing:2px;margin-top:8px}
.risk{min-height:720px;background:var(--blue);color:#fff;display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:100px 9vw;overflow:hidden}.risk-symbol{font:400 min(33vw,480px)/1 STSong,SimSun,serif;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.25)}.risk>div>span{color:#b9ceff}.risk p{max-width:580px;color:#d5e1ff;line-height:2}
.contact{text-align:center;padding:150px 20px}.contact>p{color:var(--muted)}.claim-panel{width:min(680px,100%);margin:42px auto 0;border:1px solid var(--line);padding:30px;text-align:left;background:#fff}.seat-state{display:flex;align-items:center;gap:18px;padding-bottom:24px;border-bottom:1px solid var(--line)}.seat-state strong{font:400 58px/1 STSong,SimSun,serif;color:var(--blue)}.seat-state span{font-size:13px;line-height:1.5}.seat-state small{font-size:7px;letter-spacing:2px;color:#9ba1aa}.claim-panel form{margin-top:25px}.claim-panel label{display:block;font-size:9px;letter-spacing:2px;color:#777f8c;margin-bottom:9px}.claim-panel form>div{display:grid;grid-template-columns:1fr auto}.claim-panel input{min-width:0;border:1px solid #d8dde5;border-right:0;padding:15px 17px;outline:0;font-size:14px;letter-spacing:3px}.claim-panel input:focus{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.claim-panel button,.download-link{border:1px solid var(--ink);background:var(--ink);color:#fff;padding:0 20px;cursor:pointer}.claim-panel button:disabled{opacity:.45;cursor:not-allowed}.claim-panel button span,.download-link span{margin-left:22px;color:#8eaeff}.claim-message{min-height:20px;margin:13px 0 0!important;font-size:12px}.claim-message.error{color:#d84855}.claim-message.success{color:#138459}.download-link{display:flex;margin-top:17px;height:48px;align-items:center;justify-content:center}.download-link[hidden]{display:none}
footer{padding:45px 6vw;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr 1fr;align-items:end;color:#92979f;font-size:9px;letter-spacing:1px}footer p:last-child{text-align:right}.footer-brand{color:var(--ink)}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes scan{50%{transform:translateX(35px)}}@keyframes draw{0%{stroke-dashoffset:420}45%,100%{stroke-dashoffset:0}}
@media(max-width:850px){.nav{height:68px;padding:0 18px}.nav nav{display:none}.nav-cta{margin-left:auto}.hero{padding:120px 22px 70px;align-items:flex-start}.hero-copy{width:100%;z-index:3}.hero h1{font-size:56px;letter-spacing:-3px}.hero-lead{max-width:90%}.quant-orbit{width:410px;height:410px;right:-160px;top:72%;opacity:.5}.signal{display:none}.manifesto,.method,.risk{grid-template-columns:1fr;padding:90px 24px;gap:60px}.system{padding:90px 20px}.section-head{display:block}.capability-grid{grid-template-columns:1fr}.capability-grid article+article{border-left:1px solid var(--line);border-top:0}.capability-grid article{min-height:420px}.risk-symbol{display:none}.contact{padding:100px 15px}.claim-panel{padding:22px}.claim-panel form>div{grid-template-columns:1fr}.claim-panel input{border-right:1px solid #d8dde5}.claim-panel button{height:48px}footer{grid-template-columns:1fr;gap:22px}footer p:last-child{text-align:left}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}.orbit,.wave path,.scroll-hint span:after{animation:none}}