:root{font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;color:#17202d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,a{font:inherit}a{text-decoration:none;color:inherit}button{cursor:pointer}.wrap{width:min(1200px,calc(100% - 48px));margin:auto}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;white-space:nowrap}.mark{display:grid;place-items:center;width:32px;height:32px;background:#7751d9;color:#fff;border-radius:11px;font-size:18px}.links{display:flex;gap:30px;align-items:center;font-size:14px;color:#586173}.links a:hover{color:#7550db}.nav-end{display:flex;align-items:center;gap:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#fff;background:#754dd8;box-shadow:0 10px 24px #7653d52b}.btn-ghost{border:1px solid #d9dce7;background:#fff}.btn-dark{background:#172131;color:#fff}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.09em}.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#31c3a2}.headline{font-weight:800;line-height:1.19;letter-spacing:-.055em;margin:21px 0}.lead{color:#687280;line-height:1.85;font-size:16px;margin:0}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.section{padding:90px 0}.section-head{max-width:680px;margin-bottom:30px}.section-head h2{font-size:36px;letter-spacing:-.04em;line-height:1.28;margin:12px 0}.section-head p{color:#697380;line-height:1.8;margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{padding:26px;border:1px solid #e7e9f0;border-radius:22px;background:#fff}.feature .icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#f0eafe;color:#754dd8;font-size:20px;margin-bottom:24px}.feature h3{margin:0 0 9px;font-size:19px}.feature p{margin:0;color:#697380;font-size:14px;line-height:1.75}.footer{border-top:1px solid #e9ebf2;padding:27px 0;color:#808896;font-size:12px}.footer .wrap{display:flex;justify-content:space-between;gap:20px}.preview-switch{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:20;background:#172131;color:#fff;padding:7px;border-radius:999px;display:flex;gap:3px;box-shadow:0 10px 35px #17213145;white-space:nowrap}.preview-switch a{border-radius:100px;padding:8px 13px;font-size:12px;opacity:.7}.preview-switch a.active,.preview-switch a:hover{background:#fff;color:#172131;opacity:1}.mono{font-family:'DM Mono',Consolas,monospace}.muted{color:#929aaa}.purple{color:#7954df}
/* A: calm conversion */
.a{background:#fff}.a .top{background:radial-gradient(ellipse at 23% 12%,#e7f2ff 0,transparent 40%),radial-gradient(ellipse at 80% 20%,#e8fff9 0,transparent 36%),linear-gradient(#fafdff,#fff)}.a-hero{display:grid;grid-template-columns:1.03fr .97fr;gap:64px;align-items:center;min-height:620px;padding:42px 0 95px}.a .headline{font-size:clamp(44px,4.5vw,66px)}.a .headline em{font-style:normal;background:linear-gradient(110deg,#398dfa,#aa57ee);-webkit-background-clip:text;background-clip:text;color:transparent}.a-hero .lead{max-width:560px}.a-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:39px}.a-badges span{font-size:12px;padding:8px 11px;background:#fff;border:1px solid #e6eaf2;border-radius:99px;color:#5e6877}.a-window{border:1px solid #e3e8f1;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 32px 65px #2d417021;transform:rotate(1deg)}.window-top{display:flex;align-items:center;gap:7px;height:48px;padding:0 18px;background:#f8fafc;border-bottom:1px solid #e8ecf1}.window-top i{height:8px;width:8px;border-radius:50%;background:#d5dbe5}.window-top strong{margin:auto;color:#8b94a1;font-size:11px;font-weight:500}.a-window .inside{padding:24px}.a-window .request-label{font-size:11px;letter-spacing:.15em;color:#8d98a8}.a-window pre{white-space:pre-wrap;background:#172333;color:#d8e8f5;border-radius:15px;padding:22px;font-size:12px;line-height:1.8;overflow:auto}.code-pink{color:#ef9ebf}.code-blue{color:#8fc7ff}.code-green{color:#90dec8}.response{display:flex;align-items:center;gap:12px;background:#f0fbf6;padding:14px;border:1px solid #d9f0e3;border-radius:12px;color:#2d8063;font-size:12px}.response b{background:#c9efdd;border-radius:50%;width:23px;height:23px;display:grid;place-items:center}.a-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.a-step{padding:25px;border-radius:18px;background:#f8f9fc;border:1px solid #eff1f5}.a-step small{font-size:12px;font-weight:800;color:#805cdb}.a-step h3{margin:14px 0 8px}.a-step p{color:#697380;font-size:14px;line-height:1.7;margin:0}.a-cta{background:#f4f0ff;border-radius:30px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:22px;margin-bottom:80px}.a-cta h2{margin:0 0 12px;font-size:31px}.a-cta p{margin:0;color:#706a80}
/* B: developer tooling */
.b{background:#0b101a;color:#edf2fb}.b .nav{border-bottom:1px solid #ffffff19}.b .links{color:#a4b0c2}.b .mark{background:#a07af7}.b .btn-ghost{background:transparent;border-color:#506078;color:#eaf0fb}.b .btn-primary{background:#a17df7;color:#121725}.b-top{background-image:linear-gradient(#a8bff408 1px,transparent 1px),linear-gradient(90deg,#a8bff408 1px,transparent 1px);background-size:48px 48px}.b-hero{padding:72px 0 105px;display:grid;grid-template-columns:.96fr 1.04fr;align-items:center;gap:60px}.b .eyebrow{color:#a98afa}.b .headline{font-size:clamp(45px,4.8vw,70px)}.b .headline em{font-style:normal;color:#ae8eff}.b .lead{color:#9eaabd;max-width:520px}.b-hero .note{margin-top:27px;font-size:12px;color:#8c9ab0}.b-panel{border:1px solid #53627a80;background:#101928;border-radius:20px;overflow:hidden;box-shadow:0 30px 75px #0009}.b-panel-head{height:50px;display:flex;align-items:center;padding:0 17px;gap:8px;border-bottom:1px solid #3a4a6180;color:#a8b4c7;font:11px 'DM Mono',monospace}.b-panel-head span{width:8px;height:8px;border-radius:50%;background:#57627a}.b-panel-head label{margin-left:auto;color:#57dfb8}.b-panel pre{padding:26px;margin:0;white-space:pre-wrap;font-size:13px;line-height:1.85;color:#b9d0e8}.b-panel pre .t1{color:#a899f9}.b-panel pre .t2{color:#54dcbd}.b-panel pre .t3{color:#f5bc80}.b-result{border-top:1px solid #3a4a6180;padding:15px 25px;color:#7fdaa8;font:12px 'DM Mono',monospace}.b-strip{border-top:1px solid #ffffff18;border-bottom:1px solid #ffffff18;background:#101826}.b-strip .wrap{display:flex;align-items:center;gap:22px;padding:19px 0;flex-wrap:wrap}.b-strip strong{font-size:11px;color:#76859b;letter-spacing:.12em;margin-right:9px}.b-strip span{font-size:12px;color:#c4cedc;border:1px solid #35445b;border-radius:8px;padding:6px 12px}.b .section-head h2{color:#fff}.b .section-head p{color:#9eaabd}.b .feature{background:#111b2a;border-color:#354258;color:#edf2fb}.b .feature .icon{background:#2b274a;color:#bca2ff}.b .feature p{color:#a0acbf}.b-arch{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:20px;align-items:center;margin-top:42px}.b-node{padding:29px;border:1px solid #384962;background:#111b2a;border-radius:18px;text-align:center}.b-node strong{display:block;margin-bottom:10px}.b-node small{color:#9caac0}.b-node.center{border-color:#9e7bf9;box-shadow:0 0 40px #9e7bf925}.b-node.center strong{color:#ba9dff}.b-cta{border:1px solid #534676;background:radial-gradient(circle at 80% 0,#633f8e61,transparent 55%),#151729;border-radius:24px;padding:46px;margin:0 0 90px;display:flex;justify-content:space-between;align-items:center;gap:25px}.b-cta h2{margin:0 0 10px}.b-cta p{color:#aeb8c8;margin:0}.b .footer{border-color:#ffffff19;color:#8c98a9}
/* C: scenario-led editorial */
.c{background:#faf8f4;color:#242522}.c .nav{border-bottom:1px solid #e6e2da}.c .mark{background:#ee754f;border-radius:50%}.c .btn-primary{background:#e76f48;box-shadow:0 10px 24px #e76f4826}.c .btn-ghost{background:#faf8f4;border-color:#dbd6cd}.c-hero{padding:62px 0 70px;display:grid;grid-template-columns:.95fr 1.05fr;gap:65px;align-items:center}.c .eyebrow{color:#d46b4b}.c .eyebrow .dot{background:#e67c50}.c .headline{font-size:clamp(43px,4.3vw,65px)}.c .headline em{font-style:normal;color:#e16d49}.c .lead{color:#74756f;max-width:540px}.c-visual{position:relative;min-height:500px}.c-card{background:#fff;border:1px solid #eee8df;box-shadow:0 25px 65px #5446371b;border-radius:20px;position:absolute}.c-main{top:12px;left:30px;right:28px;padding:27px;transform:rotate(2deg)}.c-main h3{font-size:15px;margin:0 0 20px}.c-input{background:#f8f7f4;border:1px solid #eeeae4;border-radius:12px;padding:16px;color:#474846;font-size:13px}.c-tags{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}.c-tags span{background:#f2eefe;color:#7050b6;padding:7px 10px;border-radius:7px;font-size:11px}.c-output{background:#fff8ee;border-left:3px solid #e98059;padding:13px 16px;font-size:12px;line-height:1.8;color:#676154}.c-floating{bottom:26px;left:-8px;padding:20px 24px;transform:rotate(-4deg);width:250px}.c-floating .metric{font-size:31px;color:#e7744b;font-weight:800}.c-floating p{margin:6px 0 0;color:#777871;font-size:12px}.c-mini{bottom:0;right:0;padding:17px;transform:rotate(5deg);font-size:12px;color:#3e7c64}.c-intro{background:#fff;border-top:1px solid #eee9e2;border-bottom:1px solid #eee9e2}.c .section-head h2{font-size:38px}.c .section-head p{color:#777871}.c-scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.c-scene{min-height:315px;padding:28px;border-radius:24px;display:flex;flex-direction:column;align-items:start}.c-scene:nth-child(1){background:#e9e7fc}.c-scene:nth-child(2){background:#e8f1e9}.c-scene:nth-child(3){background:#fff0df}.c-scene .num{font:12px 'DM Mono',monospace;opacity:.56}.c-scene .emoji{font-size:35px;margin:31px 0 18px}.c-scene h3{font-size:23px;margin:0 0 8px}.c-scene p{font-size:14px;line-height:1.7;color:#666e69;margin:0}.c-scene a{font-size:13px;font-weight:700;margin-top:auto}.c-proof{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.c-proof-art{background:#ece7dd;border-radius:28px;padding:28px;min-height:330px;display:grid;place-items:center}.c-proof-art .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.c-proof-art .mini-grid div{background:#fff;border-radius:15px;padding:22px;font-size:13px}.c-proof-art .mini-grid b{display:block;font-size:22px;margin:12px 0 5px}.c-proof-art .mini-grid small{color:#7c8079}.c-proof h2{font-size:38px;line-height:1.3;margin:0 0 18px}.c-proof p{line-height:1.9;color:#757872;margin:0 0 23px}.c-cta{background:#262a2a;color:#fff;border-radius:28px;padding:48px;margin-bottom:80px;display:flex;justify-content:space-between;align-items:center;gap:20px}.c-cta h2{font-size:30px;margin:0 0 10px}.c-cta p{margin:0;color:#bfc5c1}.c .footer{border-color:#e3ded6;color:#99988f}
.c-hero-points{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;color:#80796f;font-size:12px}.c-gateway{position:absolute;inset:25px 10px 64px 25px;background:#fff;border:1px solid #e9e2d9;border-radius:24px;box-shadow:0 28px 70px #54463722;transform:rotate(1.5deg);overflow:hidden}.c-gateway-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid #f0ebe5;font-size:13px;font-weight:800}.c-gateway-head b{color:#36856c;background:#e7f7ef;border-radius:99px;padding:6px 9px;font-size:10px}.c-gateway-body{padding:31px}.c-gateway-label{font-size:12px;color:#9b8d7e;margin-bottom:11px}.c-endpoint{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#faf8f5;border:1px solid #ece5dc;border-radius:12px;padding:12px 13px;color:#544b42;font-size:12px;white-space:nowrap}.c-endpoint button{background:#e97650;color:#fff;border:0;border-radius:8px;padding:8px 10px;font:700 11px 'Noto Sans SC',sans-serif;white-space:nowrap}.c-gateway-arrow{text-align:center;color:#b89983;font-size:12px;margin:27px 0 20px}.c-model-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.c-model-grid div{border:1px solid #ece7e0;border-radius:10px;padding:16px 12px;font-size:13px;font-weight:700;color:#4d4d49}.c-model-grid i{font-style:normal;color:#8e73c5;margin-right:7px}.c-gateway-float{position:absolute;right:-1px;bottom:19px;background:#2b2c2a;color:#d5d5cf;padding:17px 20px;border-radius:15px;box-shadow:0 14px 35px #28242430;transform:rotate(-3deg);font-size:11px}.c-gateway-float strong{display:block;color:#fff;font-size:16px;margin-top:5px}
@media(max-width:900px){.links{display:none}.a-hero,.b-hero,.c-hero,.c-proof{grid-template-columns:1fr}.a-hero,.b-hero,.c-hero{gap:35px;padding:48px 0 70px;min-height:0}.a-window,.b-panel{max-width:650px}.c-visual{min-height:480px;max-width:580px}.grid3,.c-scenarios{grid-template-columns:1fr 1fr}.b-arch{grid-template-columns:1fr}.a-cta,.b-cta,.c-cta{align-items:flex-start;flex-direction:column}.section{padding:65px 0}}@media(max-width:600px){.wrap{width:min(100% - 32px,1200px)}.nav{height:64px}.nav-end .btn-ghost{display:none}.brand{font-size:15px}.headline{letter-spacing:-.045em}.a .headline,.b .headline,.c .headline{font-size:42px}.lead{font-size:14px}.grid3,.c-scenarios,.a-flow{grid-template-columns:1fr}.a-window pre,.b-panel pre{font-size:11px}.c-gateway{inset:8px 5px 45px 5px}.c-gateway-body{padding:20px}.c-endpoint{font-size:10px}.c-endpoint button{font-size:10px}.c-gateway-float{right:1px;bottom:5px}.section-head h2,.c .section-head h2,.c-proof h2{font-size:29px}.footer .wrap{flex-direction:column}.preview-switch{max-width:95vw;overflow:auto}.preview-switch a{font-size:11px;padding:8px}}