*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fafafa;color:#25103e;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}header{position:fixed;top:0;left:0;width:100%;padding:25px 4.5%;display:flex;align-items:center;justify-content:space-between;z-index:10;background:linear-gradient(#fafafaf5,#fafafa00)}a{color:inherit;text-decoration:none}.brand{font-size:31px;letter-spacing:4px;font-weight:800}.brand small{display:block;font-size:9px;letter-spacing:1.2px;font-weight:500;margin-top:5px}nav{display:flex;gap:32px;font-size:13px}.preview{font-size:11px;border:1px solid #c6bed0;border-radius:30px;padding:7px 12px;color:#766b82}#stage{position:fixed;inset:0;z-index:0}canvas{display:block;width:100%;height:100%}#fallback{padding:200px 40%;font-size:15px}main{position:relative;pointer-events:none}section{height:110vh;min-height:700px;display:flex;align-items:center;padding:0 5.5%}.copy{width:33%;pointer-events:auto;background:linear-gradient(90deg,#fafafaf0 70%,#fafafa00);padding:30px 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#8154b1}h1,h2{font-size:clamp(35px,4.2vw,64px);line-height:1.23;letter-spacing:-2px;margin:24px 0}p{font-size:15px;line-height:1.9;color:#7b7284}.primary{border:0;background:#6524b6;color:#fff;display:inline-block;border-radius:6px;padding:17px 24px;cursor:pointer;font-size:14px;font-weight:600;margin-top:20px}.text{border:0;background:none;padding:15px 0;border-bottom:1px solid #c7bbd4;color:#7645a5;font-size:14px;cursor:pointer}.hint{font-size:11px;margin-top:24px}.more{display:block;margin-top:22px;font-size:13px;color:#776282}footer{position:fixed;bottom:0;left:0;width:100%;padding:20px 4.5%;display:flex;align-items:center;justify-content:space-between;z-index:10;background:linear-gradient(#fafafa00,#fafafaf5 80%);font-size:11px}.steps{display:flex;gap:8px}.steps button,#motion{background:#fff8;border:1px solid #d9d1e1;border-radius:30px;padding:11px 16px;color:#7b7284;cursor:pointer}.steps button.active{background:#6524b6;color:#fff;border-color:#6524b6}#hotspots{position:fixed;inset:0;z-index:3;pointer-events:none}#hotspots button{position:absolute;pointer-events:auto;border:0;border-radius:30px;padding:10px 14px;background:#fffefbdf;color:#694195;box-shadow:0 6px 20px #43305415;white-space:nowrap;cursor:pointer;font-size:12px;transform:translate(-50%,-50%)}dialog{border:1px solid #ded4e7;border-radius:16px;max-width:500px;width:calc(100% - 40px);padding:40px;box-shadow:0 20px 90px #30204333}dialog::backdrop{background:#30204344;backdrop-filter:blur(5px)}dialog h2{font-size:30px;letter-spacing:0}#close{position:absolute;right:18px;top:14px;background:none;border:0;font-size:28px;cursor:pointer;color:#7b7284}body.modal{overflow:hidden}@media(max-width:700px){header{padding:20px 6%}.brand{font-size:24px}nav{gap:14px;font-size:11px}nav a:nth-child(2){display:none}.preview{display:none}section{align-items:flex-start;padding:105px 7% 0;min-height:650px;height:110vh}.copy{width:100%;padding:10px 0;background:none}h1,h2{font-size:36px;margin:16px 0}p{font-size:13px}.primary{padding:13px 19px;margin-top:8px}.hint{margin-top:12px}.steps{gap:4px;width:100%;justify-content:center}.steps button{padding:10px 9px;font-size:10px}footer{padding:15px 4%;flex-wrap:wrap;gap:10px}.scrolltip{display:none}#motion{position:absolute;right:18px;bottom:65px;font-size:10px;padding:8px}#hotspots button{padding:8px;font-size:10px}#hotspots button span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

@media(max-width:700px){#stage:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(#fafafa 0%,#fafafaf2 32%,#fafafa00 52%)}.copy{position:relative;z-index:2}}

header{background:#fffffff2;border-bottom:1px solid #ebe8ef;padding:17px 4.2%}.brand{color:#6524b6;letter-spacing:-1px;font-size:34px}.brand small{color:#8c8299;font-size:9px;letter-spacing:0}.preview{border:0;color:#8c8299}.copy{width:38%;background:linear-gradient(90deg,#fafafaf5 65%,#fafafa00);padding:34px 0}h1{font-size:clamp(35px,3.45vw,56px);line-height:1.5;letter-spacing:-1px}.eyebrow{letter-spacing:2.8px;color:#82739e}.copy>p:not(.eyebrow):not(.hint){font-size:17px}.primary{background:linear-gradient(120deg,#6927bc,#461ba2);padding:17px 25px;border-radius:5px}.outline{display:inline-block;border:1px solid #6524b6;color:#6524b6;padding:16px 24px;margin:20px 0 0 14px;border-radius:5px;font-size:14px}.hint{opacity:.6}.steps{gap:22px}.steps button{background:none;border:0;border-radius:0;padding:13px 4px;border-bottom:2px solid transparent;font-size:12px}.steps button.active{background:none;color:#6524b6;border-color:#6524b6}.steps button:not(:last-child):after{content:' /';padding-left:22px;color:#b9b0c7}.steps button.active:after{color:#b9b0c7}#hotspots button{background:#fffffff0;padding:7px 13px 7px 7px;color:#351254;box-shadow:0 4px 16px #32243b14;border:1px solid #e8e1ee;transition:box-shadow .2s,opacity .2s}#hotspots button:hover{box-shadow:0 5px 22px #6524b633}#hotspots button b{display:inline-grid;place-items:center;border-radius:50%;width:26px;height:26px;background:#6524b6;color:white;margin-right:6px;font-size:11px}button:focus-visible,a:focus-visible{outline:3px solid #b69ae0;outline-offset:4px}dialog{animation:enter .25s ease-out}dialog .primary{background:#f36b21}@keyframes enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){header{padding:16px 6%}nav{gap:14px}nav a:nth-child(1),nav a:nth-child(2),nav a:nth-child(4){display:none}section{padding-top:105px}.copy{width:100%;background:none;padding:10px 0}h1{font-size:32px;line-height:1.45}.copy>p:not(.eyebrow):not(.hint){font-size:13px}.outline{padding:12px 16px;margin-left:8px;font-size:12px}.primary{padding:13px 17px;font-size:12px}.steps{gap:8px}.steps button{padding:10px 2px;font-size:10px}.steps button:not(:last-child):after{display:none}#hotspots button{padding:5px}#hotspots button b{margin:0;width:23px;height:23px}.brand{font-size:26px}}
@media(prefers-reduced-motion:reduce){dialog{animation:none}}

#scene-note{position:fixed;z-index:4;width:205px;border:1px solid #e9e3ef;border-radius:12px;background:#fffffff5;padding:21px;box-shadow:0 10px 35px #30204014}#scene-note strong{font-size:15px}#scene-note p{font-size:12px;margin:12px 0}#scene-note button{border:0;background:none;color:#ed701c;padding:0;cursor:pointer;font-size:12px}.continue{position:relative;background:#fffffff5;z-index:5;min-height:270px;padding:48px 5.5% 110px;display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:26px;align-items:center;border-top:1px solid #e8e3ed}.continue h2{font-size:26px;letter-spacing:0;margin:0}.continue p{font-size:13px;margin:10px 0}.continue a{border:1px solid #e0dbe8;padding:23px;border-radius:7px;background:white;transition:transform .2s}.continue a:hover{transform:translateY(-3px)}.continue b,.continue span{display:block}.continue b{font-size:16px}.continue span{font-size:12px;color:#82788f;margin-top:12px}@media(max-width:700px){#scene-note{display:none}.continue{grid-template-columns:1fr;padding-bottom:100px;gap:14px}}

/* Wide logistics layout: leave more room for the working scene. */
@media(min-width:701px){.copy{width:31%;background:linear-gradient(90deg,#fafafaee 45%,#fafafa00);padding:24px 0}h1,h2{font-size:clamp(32px,3.2vw,52px);line-height:1.3}.copy>p:not(.eyebrow):not(.hint){font-size:15px}.primary,.outline{padding:14px 18px;font-size:13px}.outline{margin-left:6px}#scene-note{width:180px;padding:16px}}