@charset "UTF-8";
:root{color-scheme:dark;--bg:#0b0c0f;--text:#f2f3f5;--muted:#a6a9b2;--line:#ffffff16;--blue:#9dbdff;--font:Inter,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);font-family:var(--font);color:var(--text);font-size:18px;line-height:1.75;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.22;font-weight:600;letter-spacing:-.035em}a{text-decoration:none;color:inherit}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #99b9ff;outline-offset:5px}button{touch-action:manipulation}a{touch-action:manipulation}img{display:block}::selection{background:#7ea1d64d}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:-100px;left:20px;background:white;color:#101218;padding:12px 20px;z-index:100}.skip-link:focus{top:10px}.mobile-break{display:none}
.site-header{height:84px;border-bottom:1px solid var(--line);position:relative;z-index:20;background:#0b0c0ff0}.navigation{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}.brand img{border-radius:7px}.brand strong{font-size:22px;letter-spacing:0;font-weight:650}.brand-divider{height:18px;width:1px;background:#ffffff2b;margin-inline:5px}.brand-product{font-size:16px;color:#b5b7be}.navigation nav{margin-left:auto;display:flex;gap:28px;font-size:16px;color:#bfc1c8}.navigation nav a:hover{color:white}.nav-download{display:flex;gap:10px;align-items:center;white-space:nowrap;font-size:16px;border:1px solid #ffffff30;border-radius:7px;padding:8px 15px;transition:background .2s}.nav-download .icon{width:18px;height:18px}.nav-download:hover{background:#ffffff0c}.menu-toggle{display:none}
/* The entire first screen is the interactive canvas. Copy and actions stay fixed. */
.hero{position:relative;height:calc(100svh - 84px);min-height:720px;isolation:isolate;overflow:hidden}
.hero-halo{position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 22% 64%,#2449692b,transparent 48%),radial-gradient(ellipse at 78% 40%,#493a6324,transparent 48%);pointer-events:none}
.hero-intro{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);text-align:center;padding:0;z-index:4;pointer-events:none;isolation:isolate}
.hero-intro:before{content:'';position:absolute;inset:-40px 8%;z-index:-1;background:radial-gradient(ellipse,#0b0c0fe8 35%,#0b0c0f90 60%,transparent 75%);pointer-events:none}
.eyebrow{font-size:18px;letter-spacing:.04em;color:#a6bce3;display:flex;align-items:center;gap:10px}
.hero .eyebrow{justify-content:center;color:#b4bdd2}
.hero .eyebrow>span{width:6px;height:6px;background:#9bb2dc;border-radius:50%}
.hero h1{font-size:clamp(55px,6.4vw,88px);letter-spacing:-.055em;margin:22px 0 26px;line-height:1.22}
.hero h1 em{font-style:normal;background:linear-gradient(105deg,#d8e5ff,#a6c0f4 38%,#c8b7e6 78%,#ddd5ed);color:transparent;background-clip:text;-webkit-background-clip:text}
.hero-description{color:#aeb1bc;font-size:21px;line-height:1.9;letter-spacing:.01em}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:31px}
.hero-actions a,.hero-actions button{pointer-events:auto}
.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;font-size:18px;font-weight:500;height:56px;padding:0 25px;border-radius:9px;transition:transform .2s,background .2s;white-space:nowrap}
.button:hover{transform:translateY(-2px)}
.button-primary{background:#eff3fc;color:#141b28;border:1px solid #eff3fc}
.button-primary:hover{background:#dce7fc}
.button-secondary{color:#e2e5ee;border:1px solid #ffffff2d;background:#ffffff04}
.button-secondary:hover{background:#ffffff0b}
.playground-wrap{position:absolute;inset:0;width:100%;max-width:none;margin:0;pointer-events:none}
.playground-toolbar{position:absolute;top:25px;left:48px;right:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;z-index:8;pointer-events:none}
.mode-switch{display:flex;gap:4px;padding:4px;border:1px solid var(--line);background:#12141ae8;border-radius:10px;pointer-events:auto}
.mode-button{display:flex;align-items:center;gap:9px;background:transparent;border:0;border-radius:6px;padding:8px 16px;font-size:16px;color:#9399a7;transition:background .2s,color .2s}
.mode-button .icon{width:19px;height:19px}
.mode-button.is-active{background:#272b36;color:#ecf0fa;box-shadow:0 1px 4px #0003}
.playground-controls{display:flex;gap:22px;align-items:center;font-size:16px;color:#9da3b0}
.playground-controls button{border:0;background:#0b0c0f88;border-radius:5px;padding:8px 10px;color:#b5bac7;font-size:16px;pointer-events:auto}
.playground-controls button:hover{color:white}
.playground-controls button>span{margin-left:8px}
.creation-stage{position:absolute;inset:0;height:100%;margin:0;isolation:isolate;--spot-x:50%;--spot-y:50%;background-image:radial-gradient(#ffffff13 .8px,transparent .8px);background-size:28px 28px;pointer-events:auto;z-index:1}
.stage-light{position:absolute;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(ellipse 300px 240px at var(--spot-x) var(--spot-y),#73a4dc16,transparent);opacity:0;transition:opacity .4s}
.creation-stage:hover .stage-light{opacity:1}
.connection-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.connection-lines path{stroke:var(--node-accent,#94a3b8);stroke-width:1.4;stroke-opacity:.38;fill:none}
/* Semantic accents follow the desktop client's dark-theme node palette. */
:is(.creation-node,.connection-lines path)[data-tone="gray"]{--node-accent:#94a3b8}
:is(.creation-node,.connection-lines path)[data-tone="cyan"]{--node-accent:#38bdf8}
:is(.creation-node,.connection-lines path)[data-tone="violet"]{--node-accent:#a78bfa}
:is(.creation-node,.connection-lines path)[data-tone="amber"]{--node-accent:#fbbf24}
:is(.creation-node,.connection-lines path)[data-tone="green"]{--node-accent:#34d399}
.creation-node{position:absolute;left:0;top:0;width:160px;height:72px;display:flex;align-items:center;gap:13px;padding:0 18px;transform:translate(var(--node-x),var(--node-y));border:1px solid color-mix(in srgb,var(--node-accent) 65%,transparent);border-top:3px solid var(--node-accent);border-radius:11px;background:linear-gradient(135deg,color-mix(in srgb,var(--node-accent) 22%,#11151e),color-mix(in srgb,var(--node-accent) 9%,#10141d));box-shadow:0 12px 35px #0004;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;font-size:18px;color:#f1f5fc;will-change:auto}
.creation-node:before,.creation-node:after{content:'';position:absolute;top:calc(50% - 4px);width:8px;height:8px;background:var(--node-accent);border-radius:50%;box-shadow:0 0 0 4px #11151e}
.creation-node:before{left:-4px}.creation-node:after{right:-4px}
.creation-node .icon{width:26px;height:26px;color:var(--node-accent)}
.creation-node:hover{border-color:var(--node-accent);box-shadow:0 10px 35px #0006,0 0 30px color-mix(in srgb,var(--node-accent) 16%,transparent)}
.creation-node:focus-visible{outline-offset:7px}
.creation-node.is-dragging{cursor:grabbing;z-index:10;box-shadow:0 15px 45px #0008,0 0 35px color-mix(in srgb,var(--node-accent) 23%,transparent);border-color:var(--node-accent);will-change:transform}
.creation-stage.is-dragging{cursor:grabbing}
.playground-caption{position:absolute;bottom:74px;left:48px;right:48px;display:flex;justify-content:space-between;gap:20px;font-size:16px;color:#a3aab8;z-index:6;pointer-events:none}
.playground-caption>span{background:#0b0c0f88;border-radius:4px;padding:4px 8px}
.playground-caption>span:last-child{color:#8390a5;white-space:nowrap}
.compatibility{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#8f95a3;font-size:16px;z-index:5;pointer-events:none;padding:0}
.compatibility>div{display:flex;gap:28px;color:#b5bdce;font-size:18px;font-weight:500;letter-spacing:-.02em}
.section{padding-block:110px}.section-heading h2{font-size:clamp(36px,3.6vw,50px);line-height:1.3;margin:20px 0 24px}.section-heading>p:last-child{font-size:20px;line-height:1.9;color:var(--muted)}.section-heading.centered{text-align:center}.centered .eyebrow{justify-content:center}.light-section{background:#f5f5f7;color:#202228;color-scheme:light}.light-section .eyebrow{color:#647895}.light-section .section-heading>p:last-child{color:#676c78}.workspaces{padding-block:98px 105px}.workspace-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:52px}.workspace-card{position:relative;overflow:hidden;padding:37px 35px 0;isolation:isolate;border-radius:16px;border:1px solid #d9dde7;background:#e9eef6;min-width:0;--hover-x:50%;--hover-y:50%}.free-card{background:#eeebf5;border-color:#e0dbe9}.workspace-card:before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle 250px at var(--hover-x) var(--hover-y),#ffffff85,transparent);opacity:0;transition:opacity .3s;z-index:-1}.workspace-card:hover:before{opacity:1}.workspace-label{display:flex;align-items:center;gap:10px;font-size:18px;color:#526b91;font-weight:500}.free-card .workspace-label{color:#7c6898}.workspace-label .icon{width:22px;height:22px}.workspace-card h3{font-size:37px;line-height:1.3;margin:25px 0 21px;letter-spacing:-.025em}.workspace-card>p{font-size:18px;line-height:1.9;color:#616d80;min-height:102px}.free-card>p{color:#736a80}.story-illustration,.free-illustration{height:225px;position:relative;margin:13px -12px 0}.story-track{position:absolute;left:9%;right:9%;height:1px;top:50%;background:linear-gradient(90deg,transparent,#7b98be 10%,#7b98be 90%,transparent)}.story-block{position:absolute;left:8%;top:calc(50% - 35px);width:65px;height:70px;border-radius:10px;border:1px solid #98acc959;background:linear-gradient(145deg,#ffffffd9,#a1b9dd88);box-shadow:0 15px 30px #456a9620;transform:rotate(-12deg)}.s2{left:30%;top:calc(50% - 43px);height:86px;transform:rotate(-4deg)}.s3{left:52%;top:calc(50% - 53px);height:106px;transform:rotate(4deg)}.s4{left:74%;top:calc(50% - 64px);height:128px;transform:rotate(12deg)}.story-dot{position:absolute;left:25%;top:calc(50% - 3px);width:6px;height:6px;border-radius:50%;background:#8ca7cc}.d2{left:47%}.d3{left:69%}.free-illustration svg{position:absolute;width:100%;height:100%;overflow:visible}.free-illustration path{stroke:#b19bc5;stroke-width:1;fill:none}.free-block{width:74px;height:74px;border-radius:16px;position:absolute;border:1px solid #bca7d159;background:linear-gradient(145deg,#ffffffe6,#c6b3dd77);box-shadow:0 15px 30px #71518c17;transform:rotate(-13deg);left:10%;top:calc(50% - 28px)}.f2{left:40%;top:4%;width:65px;height:65px;transform:rotate(12deg)}.f3{left:44%;top:63%;width:58px;height:58px;transform:rotate(-5deg)}.f4{left:75%;top:42%;width:79px;height:79px;transform:rotate(18deg)}.free-dot{width:12px;height:12px;background:#a991c3;border-radius:50%;position:absolute;left:57%;top:45%;box-shadow:0 0 28px #c6b4dc}.workspace-footer{padding:22px 0;border-top:1px solid #8194b82b;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:16px;color:#627088}.free-card .workspace-footer{color:#7a6b8b;border-color:#9a80b42a}.workspace-footer a{width:35px;height:35px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff70;flex-shrink:0}.workspace-footer a:hover{background:white}.workspace-footer .icon{width:20px;height:20px}
/* Programmable compute adapters lead the open ecosystem section. */
.open-section{display:block;padding-top:72px}
.open-heading{max-width:870px}
.open-section .section-heading h2{font-size:50px}
.open-section .section-heading>p:last-child{font-size:20px}
.adapter-feature{margin-top:45px;display:grid;grid-template-columns:1.1fr 1fr;gap:30px 50px;align-items:center;padding:43px 42px 0;border:1px solid #74a7cf40;border-radius:15px;background:radial-gradient(ellipse at 90% 20%,#1c486f25,transparent 60%),#11161f}
.adapter-label{display:flex;align-items:center;gap:12px;font-size:18px;color:#a0cff0}
.adapter-label>span{font-family:Consolas,monospace;font-size:23px;color:#61c9ef}
.adapter-copy h3{font-size:38px;line-height:1.35;margin:23px 0 24px}
.adapter-copy>p:not(.adapter-label){font-size:18px;color:#b0bdcf;line-height:1.9}
.adapter-copy>p+p:not(.adapter-label){margin-top:15px}
.adapter-support{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:25px;font-size:16px;color:#8ea8c6}
.adapter-support>span{padding-bottom:4px;border-bottom:1px solid #799fc83b}
.adapter-diagram{max-width:440px;width:100%;margin-inline:auto;min-width:0;padding:7px 0}
.compute-sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;position:relative}
.compute-sources>div{display:flex;align-items:center;justify-content:center;gap:10px;min-height:62px;padding:11px;border-radius:8px;border:1px solid #789fc545;background:#182333;color:#c4dbef;font-size:18px}
.compute-sources .icon{width:22px;height:22px;color:#82bee8}
.diagram-connector{height:35px;position:relative;display:grid;grid-template-columns:1fr 1fr}
.diagram-connector>span{position:relative;display:block;border-bottom:1px solid #799fc65c}
.diagram-connector>span:first-child{border-left:1px solid #799fc65c;margin-left:50%;border-bottom-left-radius:8px}
.diagram-connector>span:nth-child(2){border-right:1px solid #799fc65c;margin-right:50%;border-bottom-right-radius:8px}
.diagram-connector>span:nth-child(n+3){display:none}
.diagram-connector:after{content:'';position:absolute;height:18px;top:100%;left:50%;width:1px;background:#799fc65c}
.adapter-hub{position:relative;margin:17px auto 0;display:flex;align-items:center;justify-content:center;flex-direction:column;width:80%;padding:18px 12px 19px;border:1px solid #62bae797;background:linear-gradient(125deg,#1e364f,#19263b);border-radius:11px;box-shadow:0 0 50px #4a95c20b}
.adapter-code{font-size:24px;font-family:Consolas,monospace;color:#7fd4fb;line-height:1}
.adapter-hub strong{font-size:23px;font-weight:500;margin-top:12px}
.adapter-hub>span:last-child{font-size:16px;color:#96b2d1;margin-top:6px}
.diagram-arrow{text-align:center;font-size:23px;line-height:1.6;color:#7098c0}
.adapter-destination{display:flex;align-items:center;justify-content:center;gap:12px;width:80%;margin:auto;padding:13px 10px;background:#1a1e2b;border:1px solid #9daed247;border-radius:8px}
.destination-b{width:28px;height:28px;display:grid;place-items:center;line-height:1;background:#324b7b;border-radius:6px;color:#d2e6ff;font-size:20px;font-weight:700}
.adapter-destination strong{font-size:20px;font-weight:500}
.adapter-surfaces{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.adapter-surfaces>span{padding:9px;text-align:center;border:1px solid #8fa0c23b;background:#171d29;border-radius:7px;font-size:17px;color:#afbbd1}
.adapter-authoring{grid-column:1/-1;border-top:1px solid #8fa8c426;margin-top:8px}
.adapter-authoring summary{list-style:none;cursor:pointer;font-size:18px;padding:21px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;color:#bed3ea}
.adapter-authoring summary::-webkit-details-marker{display:none}
.adapter-authoring summary:focus-visible{outline:2px solid #99b9ff;outline-offset:5px;border-radius:4px}
.adapter-authoring summary>span{font-size:25px;font-weight:300;color:#87aed0;transition:transform .2s}
.adapter-authoring[open] summary>span{transform:rotate(45deg)}
.adapter-authoring ol{list-style:none;counter-reset:adapter-step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin:0;padding:5px 0 28px}
.adapter-authoring li{counter-increment:adapter-step;position:relative;padding-top:29px}
.adapter-authoring li:before{content:'0' counter(adapter-step);position:absolute;top:0;left:0;font-size:16px;color:#6f9cbd}
.adapter-authoring strong{font-size:18px;font-weight:500}
.adapter-authoring li p{font-size:17px;color:#98aac1;margin-top:11px;line-height:1.85}
.open-capabilities{margin-top:38px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.open-capabilities article{border-top:1px solid #8b9bb333;padding-top:24px;min-width:0}
.capability-kind{font-size:16px;color:#7e94b4}
.open-capabilities h3{font-size:26px;letter-spacing:-.02em;margin:13px 0 17px}
.open-capabilities p{font-size:18px;line-height:1.85;color:#a1acbd}
.toolkit{padding-block:95px 88px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:55px;gap:48px 48px}.tool-grid article{min-width:0;padding-top:25px;border-top:1px solid #d5d8df}.tool-icon{width:32px;height:32px;color:#6a7c9c}.tool-grid h3{font-size:25px;letter-spacing:-.02em;margin:20px 0 15px}.tool-grid p{font-size:18px;color:#6a6f7c;line-height:1.9}.possibilities{text-align:center}.possibilities .eyebrow{justify-content:center}.possibilities h2{font-size:52px;line-height:1.4;margin:25px 0 40px}.possibility-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.possibility-list span{border:1px solid #ffffff24;background:#14171e;color:#b6c0d4;border-radius:8px;padding:11px 20px;font-size:19px}.possibilities>p:last-child{font-size:19px;color:#939daf;margin-top:28px}.download-section{position:relative;overflow:hidden;border-block:1px solid var(--line);isolation:isolate;background:#10141d}.download-glow{position:absolute;inset:0;background:radial-gradient(ellipse at 20% 100%,#334c6b55,transparent 60%),radial-gradient(ellipse at 80% 100%,#4c3e6c40,transparent 60%);pointer-events:none;z-index:-1}.download-inner{text-align:center;padding-block:83px 75px}.download-inner .eyebrow{justify-content:center}.download-inner h2{font-size:55px;line-height:1.3;margin:23px 0 33px}.download-alternatives{display:flex;justify-content:center;gap:28px;margin-top:23px;font-size:16px;color:#9eaac0}.download-alternatives a{color:#c1d3f2}.download-alternatives a:hover{text-decoration:underline}.download-note{font-size:16px;color:#8793a9;margin-top:27px}.site-footer{padding-block:34px 26px}.footer-top{display:flex;align-items:center;gap:30px}.footer-top>p{font-size:16px;color:#8f99aa}.footer-top nav{display:flex;gap:24px;margin-left:auto;font-size:16px;color:#a8b1c1}.footer-top nav a:hover{color:white}.footer-bottom{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:#7f899b}.footer-bottom>span:last-child{margin-left:auto}
@media(max-width:1199px){.wrap{width:calc(100% - 64px)}.navigation{gap:22px}.brand-product,.brand-divider{display:none}.navigation nav{gap:24px}.hero h1{font-size:76px}.workspace-card{padding:31px 28px 0}.workspace-card h3{font-size:33px}.workspace-card>p{font-size:18px;min-height:136px}.desktop-break{display:none}.workspace-footer{font-size:15px}.tool-grid{gap:35px}.footer-top{gap:20px}.footer-top nav{gap:20px;font-size:15px}}
@media(max-width:899px){.site-header{height:76px}.wrap{width:calc(100% - 48px)}.brand strong{font-size:21px}.navigation{gap:20px}.navigation nav{gap:20px;font-size:16px}.nav-download{display:none}.hero h1{font-size:61px}.hero-description{font-size:19px}.button{font-size:17px;height:54px;padding-inline:20px}.drag-hint{display:none}.creation-node{width:128px;height:64px;padding-inline:14px;gap:10px;font-size:16px}.creation-node .icon{width:21px;height:21px}.playground-caption{font-size:16px}.playground-caption>span:last-child{display:none}.section{padding-block:80px}.section-heading h2{font-size:40px}.section-heading>p:last-child{font-size:19px}.workspaces{padding-block:75px 80px}.workspace-grid{gap:20px;margin-top:40px}.workspace-card{padding:26px 22px 0}.workspace-card h3{font-size:30px}.workspace-card>p{font-size:17px;min-height:162px}.workspace-label{font-size:18px}.workspace-footer{align-items:center;font-size:16px;line-height:1.7;min-height:104px}.story-illustration,.free-illustration{height:190px;margin-inline:-10px}.story-block{width:46px;height:58px;top:calc(50% - 29px)}.s2{height:70px;top:calc(50% - 35px)}.s3{height:87px;top:calc(50% - 43px)}.s4{height:104px;top:calc(50% - 52px)}.free-block{width:58px;height:58px}.f2{width:49px;height:49px}.f3{width:47px;height:47px}.f4{width:62px;height:62px;left:72%}.toolkit{padding-block:75px}.tool-grid{grid-template-columns:1fr 1fr;gap:36px}.tool-grid h3{font-size:24px}.possibilities h2{font-size:43px}.possibility-list span{font-size:18px;padding:9px 17px}.possibilities>p:last-child{font-size:18px}.download-inner h2{font-size:47px}.footer-top{flex-wrap:wrap}.footer-top>p{margin-left:auto}.footer-top nav{margin-left:0;width:100%;font-size:16px;justify-content:space-between}.footer-bottom{font-size:14px;gap:12px 22px}.footer-bottom>span:last-child{margin-left:0}}
@media(max-width:599px){html{scroll-padding-top:24px}.wrap{width:calc(100% - 36px)}.site-header{height:70px}.brand strong{font-size:21px}.navigation{justify-content:space-between}.menu-toggle{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;width:42px;height:40px;border:1px solid #ffffff26;border-radius:8px;background:#ffffff04}.menu-toggle span{width:17px;height:1px;background:#d4d9e3}.navigation nav{display:none;position:absolute;left:0;top:69px;width:100%;margin:0;padding:24px;background:#141820;border-bottom:1px solid var(--line);flex-direction:column;gap:21px;font-size:18px}.navigation nav.is-open{display:flex}.eyebrow{font-size:16px}.hero h1{font-size:clamp(43px,10.5vw,61px);margin:22px 0 24px;line-height:1.2;letter-spacing:-.06em}.hero h1 em{display:block;margin-top:8px}.hero-description{font-size:18px;line-height:1.9;max-width:360px;margin-inline:auto}.hero-description br{display:none}.hero-actions{gap:12px;flex-wrap:wrap;margin-top:27px}.button{font-size:16px;padding-inline:17px;gap:8px;height:52px}.button .icon{width:21px;height:21px}.playground-toolbar{gap:9px}.mode-switch{padding:3px;gap:2px;border-radius:8px}.mode-button{padding:7px 10px;font-size:16px;gap:7px;white-space:nowrap}.mode-button .icon{width:18px;height:18px}.playground-controls{gap:0}.playground-controls button{font-size:16px;white-space:nowrap}.playground-controls button>span{margin-left:3px}.creation-node{width:112px;height:61px;border-radius:9px;padding:0 11px;gap:8px;font-size:16px}.creation-node .icon{width:20px;height:20px}.playground-caption{padding-top:17px;font-size:16px;line-height:1.8}.section{padding-block:65px}.section-heading h2{font-size:35px;line-height:1.35;margin-block:19px 21px}.section-heading>p:last-child{font-size:18px;line-height:1.9}.mobile-break{display:block}.workspaces{padding-block:61px 65px}.workspace-grid{grid-template-columns:1fr;gap:23px;margin-top:33px}.workspace-card{padding:27px 25px 0}.workspace-card h3{font-size:33px;margin-block:23px 19px}.workspace-card>p{min-height:0;font-size:18px}.workspace-label{font-size:18px}.story-illustration,.free-illustration{height:205px;margin-top:21px}.story-block{width:50px}.free-block{width:60px;height:60px}.f2{width:53px;height:53px}.f3{width:50px;height:50px}.f4{width:64px;height:64px}.workspace-footer{font-size:16px;min-height:95px}.toolkit{padding-block:62px}.tool-grid{grid-template-columns:1fr;gap:26px;margin-top:34px}.tool-grid article{padding-top:25px;display:grid;grid-template-columns:34px 1fr;gap:0 17px}.tool-icon{grid-column:1;grid-row:1;width:28px;height:28px;margin-top:1px}.tool-grid h3{grid-column:2;grid-row:1;font-size:24px;margin:0 0 13px;line-height:1.35}.tool-grid p{grid-column:2;font-size:18px;line-height:1.85}.possibilities h2{font-size:34px;line-height:1.5;margin:21px 0 29px}.possibility-list{gap:10px}.possibility-list span{font-size:17px;padding:8px 13px}.possibilities>p:last-child{font-size:18px;line-height:1.9;margin-top:24px}.download-inner{padding-block:61px 55px}.download-inner h2{font-size:40px;line-height:1.35;margin:23px 0 29px}.download-inner .button{font-size:18px;padding-inline:25px;height:55px}.download-alternatives{flex-wrap:wrap;font-size:16px;gap:5px 20px;margin-top:20px}.download-note{font-size:16px;line-height:1.85;margin-top:22px}.site-footer{padding-top:29px}.footer-top{gap:18px}.footer-top .brand strong{font-size:20px}.footer-top>p{font-size:16px;width:100%;margin-left:0}.footer-top nav{gap:13px;flex-wrap:wrap;justify-content:start;font-size:16px}.footer-bottom{font-size:14px;display:block;line-height:1.9;margin-top:25px}.footer-bottom>*{display:block;margin-bottom:6px}}

@media(max-width:1199px){.playground-toolbar,.playground-caption{left:32px;right:32px}}
@media(max-width:899px){.hero{height:calc(100svh - 76px);min-height:760px}.hero-intro{top:41%}.creation-node{width:140px;height:68px;font-size:18px;padding-inline:15px;gap:10px}.playground-toolbar,.playground-caption{left:24px;right:24px}.compatibility>p{display:none}.compatibility{justify-content:center}.compatibility>div{gap:25px}.playground-caption>span:last-child{display:none}}
@media(max-width:599px){.hero{height:calc(100svh - 70px);min-height:760px}.hero-intro{top:42%;width:calc(100% - 42px)}.hero-intro:before{inset:-27px -9px;background:radial-gradient(ellipse,#0b0c0ff2 40%,#0b0c0fad 65%,transparent 80%)}.hero h1{font-size:clamp(43px,10.5vw,57px);margin-block:17px 19px}.hero-description{font-size:18px;line-height:1.85}.hero-actions{margin-top:22px;gap:10px}.hero-actions .button{font-size:16px;padding-inline:14px;height:51px}.hero-actions .button-secondary{display:none}.playground-toolbar{top:17px;left:15px;right:15px;gap:6px}.playground-controls button{padding:7px 0}.creation-node{width:112px;height:63px;padding-inline:11px;gap:8px;font-size:17px}.creation-node .icon{width:22px;height:22px}.playground-caption{left:13px;right:13px;bottom:65px;font-size:16px;display:none}.compatibility{bottom:14px;width:calc(100% - 36px)}.compatibility>div{justify-content:center;flex-wrap:wrap;gap:5px 18px;font-size:16px}.mode-button{padding:7px 9px}.playground-controls button{background:none}}


@media(max-width:1199px){.adapter-feature{padding:34px 30px 0;gap:27px 30px}.adapter-copy h3{font-size:34px}.open-capabilities{grid-template-columns:1fr 1fr;gap:30px 35px}}
@media(max-width:899px){.open-section{padding-top:64px}.open-section .section-heading h2{font-size:42px}.open-section .section-heading>p:last-child{font-size:19px}.adapter-feature{grid-template-columns:1fr;gap:30px;padding:31px 28px 0}.adapter-diagram{max-width:480px;margin-top:6px}.adapter-copy h3{font-size:36px}.adapter-authoring ol{grid-template-columns:1fr;gap:22px}.adapter-authoring li{padding-top:0;padding-left:32px}.adapter-authoring li:before{top:1px}.adapter-authoring li p{margin-top:7px}}
@media(max-width:599px){.open-section{padding-top:52px}.open-section .section-heading h2{font-size:36px}.open-section .section-heading>p:last-child{font-size:18px}.open-heading>p:last-child br{display:none}.adapter-feature{margin-top:30px;border-radius:12px;padding:25px 20px 0;gap:28px}.adapter-label{font-size:16px;gap:8px}.adapter-label>span{font-size:20px}.adapter-copy h3{font-size:31px;margin-block:19px 21px}.adapter-copy>p:not(.adapter-label){font-size:18px}.adapter-support{font-size:16px;gap:9px 14px;margin-top:21px}.compute-sources{gap:9px}.compute-sources>div{font-size:17px;gap:8px;min-height:58px;padding:9px 6px}.compute-sources .icon{width:19px;height:19px}.adapter-hub{width:92%;padding:16px 9px}.adapter-hub strong{font-size:22px}.adapter-hub>span:last-child{font-size:16px}.adapter-destination{width:92%}.adapter-destination strong{font-size:18px}.adapter-surfaces{gap:9px}.adapter-surfaces>span{font-size:17px}.adapter-authoring summary{font-size:17px;padding-block:18px}.adapter-authoring strong{font-size:18px}.adapter-authoring li p{font-size:17px}.open-capabilities{grid-template-columns:1fr;margin-top:30px;gap:27px}.open-capabilities article{padding-top:20px}.open-capabilities h3{font-size:25px;margin-block:9px 13px}.open-capabilities p{font-size:18px}.compatibility>div{gap:5px 12px}}

.back-to-top{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(25px,env(safe-area-inset-bottom));width:53px;height:55px;display:grid;place-items:center;isolation:isolate;border:1px solid #7f9cc46b;border-radius:16px;background:#172232ed;color:#c7def9;box-shadow:0 8px 30px #0004;z-index:30;padding:10px;transition:background .2s,transform .2s}
.back-to-top[hidden]{display:none}
.back-to-top:hover{background:#233750;transform:translateY(-3px)}
.rocket-icon{width:27px;height:33px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;position:relative;z-index:2}
.rocket-body{fill:#365273}
.rocket-flame{position:absolute;left:calc(50% - 5px);top:39px;width:10px;height:24px;border-radius:20% 20% 70% 70%;background:linear-gradient(#fff5bc,#ffbb57 30%,#ed7132 70%,transparent);opacity:0;transform-origin:50% 0;pointer-events:none;z-index:1}
.back-to-top.is-launching .rocket-flame{opacity:1;animation:rocket-flame .12s 6 alternate}
.back-to-top.is-launching .rocket-icon{animation:rocket-lift .75s ease-in-out}
@keyframes rocket-flame{from{transform:scale(.8,.6)}to{transform:scale(1.15,1.1)}}
@keyframes rocket-lift{0%{transform:translateY(1px)}25%{transform:translateY(-3px)}55%{transform:translateY(-8px)}100%{transform:translateY(0)}}
@media(max-width:599px){.back-to-top{right:max(16px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));width:49px;height:51px;border-radius:14px;padding:9px}.rocket-flame{top:36px}}
/* One download dialog is shared by every download action. */
.nav-download{background:transparent}
.download-dialog{color-scheme:dark;color:#edf2fa;background:#121720;border:1px solid #829cc14d;border-radius:15px;width:min(680px,calc(100vw - 40px));max-height:calc(100svh - 40px);padding:32px;margin:auto;box-shadow:0 35px 110px #000a;overflow:auto;overscroll-behavior:contain}
.download-dialog::backdrop{background:#05080ed9;backdrop-filter:blur(7px)}
.download-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.download-dialog-heading>div>p{font-size:16px;color:#9faec4}
.download-dialog-heading h2{font-size:30px;letter-spacing:-.02em;margin-top:10px}
.download-dialog-close{border:1px solid #91a7c32e;border-radius:8px;background:#ffffff05;color:#bbc6d8;font-size:27px;width:40px;height:40px;line-height:1;display:grid;place-items:center;flex-shrink:0}
.download-dialog-close:hover{color:white;background:#ffffff0e}
#download-dialog-description{font-size:18px;color:#a4b0c5;margin-top:20px;line-height:1.85}
.cloud-download-options{display:grid;gap:18px;margin-top:25px}
.cloud-download-option{border:1px solid #8197b33b;background:#18202d;border-radius:10px;padding:20px}
.cloud-download-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 12px}
.cloud-download-heading h3{font-size:23px;font-weight:500;letter-spacing:0}
.cloud-download-heading>span{font-size:16px;color:#9db7da}
.address-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.cloud-copy-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;margin-top:16px}
.cloud-copy-row textarea{font-family:var(--font);font-size:16px;line-height:1.65;color:#9faec6;background:#0c121b;border:1px solid #8c9eb729;border-radius:7px;padding:10px 12px;resize:none;display:block;width:100%;min-width:0;min-height:75px;overflow-wrap:anywhere;word-break:break-all}
.cloud-copy-row textarea:focus{outline:2px solid #7eaae0;outline-offset:2px}
.copy-address{font-size:17px;color:#15213a;background:#c4d9fb;border:1px solid #c4d9fb;border-radius:7px;padding:11px 14px;min-width:104px;min-height:46px;white-space:nowrap}
.copy-address:hover{background:#d8e6ff}.copy-address:disabled{cursor:wait;opacity:.7}
.download-copy-status{font-size:16px;line-height:1.8;color:#a7c2e7;margin-top:21px;min-height:29px}
@media(max-width:599px){.download-dialog{width:calc(100vw - 28px);max-height:calc(100svh - 28px);padding:23px 19px;border-radius:12px}.download-dialog-heading h2{font-size:27px}.download-dialog-heading>div>p{font-size:16px}.download-dialog-close{width:36px;height:36px}.download-dialog-heading{gap:10px}#download-dialog-description{font-size:18px;margin-top:18px}.cloud-download-options{gap:15px;margin-top:20px}.cloud-download-option{padding:17px 14px}.cloud-download-heading h3{font-size:22px}.cloud-copy-row{grid-template-columns:1fr;gap:12px;margin-top:14px}.cloud-copy-row textarea{font-size:16px;min-height:77px}.copy-address{font-size:17px;padding:10px 15px;width:100%}.download-copy-status{font-size:16px;margin-top:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* ===== 生产接入：导航搜索 + 登录态入口（复用原「立即下载」按钮样式） ===== */
.nav-search{flex:0 1 220px;min-width:120px}
.nav-search input{width:100%;height:38px;padding:0 14px;font:inherit;font-size:15px;color:#e6e8ee;background:#ffffff0a;border:1px solid #ffffff26;border-radius:7px;outline:none;transition:border-color .2s,background .2s}
.nav-search input::placeholder{color:#8a8f9c}
.nav-search input:focus{border-color:#ffffff59;background:#ffffff12}
.nav-auth{display:flex;align-items:center;gap:6px;color:#bfc1c8}
.nav-auth a:hover{color:#fff}
@media(max-width:899px){.nav-auth{display:flex}.nav-search{flex-basis:160px}}
@media(max-width:599px){.navigation{gap:10px}.nav-search{flex:1 1 auto;min-width:0}.nav-search input{height:36px;font-size:14px}.nav-auth{padding:6px 10px;font-size:14px}.brand strong{display:none}}
/* 搜索框在 logo 与「创作空间」之间水平居中 */
.nav-search{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav-search input{width:100%;max-width:280px}
.navigation nav{margin-left:0}
@media(max-width:899px){.nav-search input{max-width:200px}}
@media(max-width:599px){.nav-search input{max-width:none}}

/* ===== 下载页 /product/download ===== */
.dl-hero{min-height:calc(100svh - 84px);display:flex;align-items:center;padding-block:48px}
.dl-hero>.wrap{width:min(1200px,calc(100% - 64px))}
.dl-heading{text-align:center;margin-bottom:40px}.dl-heading .eyebrow{justify-content:center}
.dl-heading h1{font-size:48px;letter-spacing:-.03em;margin:18px 0 0}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.dl-card{display:flex;flex-direction:column;padding:36px 34px;border:1px solid #ffffff1f;border-radius:16px;background:#12161ee6}
.dl-card-plugin{box-shadow:inset 0 2px 0 #fbbf24}.dl-card-station{box-shadow:inset 0 2px 0 #38bdf8}
.dl-label{font-size:16px;color:#9eaac0}
.dl-card h2{font-size:34px;margin:14px 0 16px}
.dl-desc{font-size:18px;line-height:1.85;color:#b6c0d4;flex:1}
.dl-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.dl-link{font-size:16px;color:#c1d3f2}.dl-link:hover{text-decoration:underline}
.dl-env{font-size:15px;color:#7f899b;margin-top:18px}
@media(max-width:899px){.dl-grid{grid-template-columns:1fr}.dl-heading h1{font-size:38px}.dl-hero{min-height:0}}
@media(max-width:599px){.dl-hero>.wrap{width:calc(100% - 36px)}.dl-card{padding:26px 22px}.dl-card h2{font-size:28px}}
/* 小火箭可拖动 */
.back-to-top{touch-action:none;user-select:none;-webkit-user-select:none}
.back-to-top.is-dragging{cursor:grabbing;transition:none;transform:none}
/* 去掉预览版本标签后，页脚不再把最后一个 span 推到右侧 */
.footer-bottom>span:last-child{margin-left:0}

/* 火焰在按钮下方伸出，避免被裁剪 */
.back-to-top{overflow:visible}
/* 下载页：取消垂直居中，导航下方与页脚上方留白一致 */
.dl-hero{min-height:0;display:block;padding-block:40px 6px}/* 页脚自带 34px 上内边距，合计约 40px，与顶部一致 */
.dl-heading{margin-bottom:28px}
.dl-heading h1{margin-top:12px}
@media(max-width:599px){.dl-hero{padding-block:28px 0}}

/* 小火箭动画始终播放，即使系统开启减少动态效果 */
@media(prefers-reduced-motion:reduce){.back-to-top{transition:background .2s,transform .2s!important}.back-to-top.is-launching .rocket-flame{animation:rocket-flame .12s 6 alternate!important}.back-to-top.is-launching .rocket-icon{animation:rocket-lift .75s ease-in-out!important}}