:root{color-scheme:dark;--bg:#080f1d;--ink:#f3f2e8;--muted:#9daaa1;--accent:#b8d3ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit;border:0;background:none}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}header{height:90px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #b4dbba12}.brand{display:flex;align-items:center;gap:11px}.brand-mark{font-size:37px;color:var(--accent)}.brand b{font-size:21px;letter-spacing:2px}.brand small{font-weight:400;font-size:11px;letter-spacing:2px;margin-left:9px;color:var(--muted)}nav{display:flex;gap:34px;align-items:center;font-size:13px;color:#b7c3b9}nav button{padding:10px 0}.contact{border:1px solid #adc3b447;border-radius:30px;padding:12px 19px;font-size:13px}.contact span{margin-left:22px;color:var(--accent)}.intro{text-align:center;padding:44px 20px 0;position:relative;z-index:2;pointer-events:none}.eyebrow{font-size:11px;letter-spacing:2px;color:#bacbb9;display:flex;gap:9px;align-items:center;justify-content:center}.eyebrow i{width:5px;height:5px;border-radius:50%;background:#cee9a8;box-shadow:0 0 10px #cceba799}h1{font-weight:500;font-size:clamp(36px,4vw,58px);line-height:1.28;letter-spacing:-2px;margin:19px 0 17px}h1 br{display:none}.intro p{font-size:14px;color:#a1b0a5;margin:0}.universe{position:relative;height:565px;margin-top:-15px;isolation:isolate;overflow:hidden}.space-backdrop{position:absolute;inset:0;background:radial-gradient(ellipse at 34% 46%,#17295070,transparent 55%)}#galaxy{position:absolute;inset:0;z-index:-1}#galaxy canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1s}#galaxy.ready canvas{opacity:1}.galaxy-caption{position:absolute;left:8%;bottom:122px;color:#c7d4bd;font-size:12px;letter-spacing:1px}.galaxy-caption small{display:block;font-size:8px;letter-spacing:3px;color:#697f74;margin:11px 0 0 18px}.orbit-dot{display:inline-block;border:1px solid #c5e6b7;border-radius:50%;width:7px;height:7px;margin-right:11px;box-shadow:0 0 14px #bddfad}.story-wrap{position:absolute;right:8%;top:65px;width:340px}#story h2{font-size:30px;line-height:1.45;letter-spacing:-.7px;font-weight:500;margin:12px 0}#story p{font-size:13px;line-height:1.9;color:#a7b9ad;margin:0 0 20px;max-width:315px}.story-number{color:var(--accent);font-size:10px;letter-spacing:2px}.story-link{font-size:12px;color:#d3dfca;margin-top:16px;padding:5px 0}.story-link span{margin-left:14px}.media{height:153px;border:1px solid #b0c7b328;background:linear-gradient(130deg,#23304888,#101b2d99);border-radius:13px;padding:17px;box-shadow:0 16px 70px #0002;overflow:hidden;position:relative}.media:after{content:"演示示意";position:absolute;bottom:8px;right:12px;color:#839388;font-size:8px;letter-spacing:1px}.media img,.media video{width:100%;height:100%;object-fit:contain;border-radius:7px}.media.has-file{padding:0;background:#0a1321}.media.has-file:after{display:none}.demo-top{font-size:10px;color:#a8b8ae;display:flex;align-items:center;gap:6px}.demo-top i{width:5px;height:5px;background:var(--accent);border-radius:50%}.query{font-size:11px;background:#091222bb;border:1px solid #66816a44;border-radius:6px;padding:10px;margin-top:13px;display:flex;justify-content:space-between}.answer{font-size:10px;color:#d3e1c9;line-height:1.8;margin-top:10px}.answer small{display:block;font-size:8px;color:#7f9888}.flow{display:flex;align-items:center;justify-content:space-between;margin:19px 0}.flow span{padding:9px 8px;border:1px solid #a0b9a333;border-radius:6px;font-size:10px}.flow b{font-size:12px;color:var(--accent)}.table-line{display:flex;font-size:9px;justify-content:space-between;border-top:1px solid #a0b9a322;padding-top:11px;color:#a8b8ae}.table-line strong{color:var(--accent);font-weight:400}.creative-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:8px;margin-top:12px}.creative-grid div{height:82px;border:1px solid #adc3b428;border-radius:6px;padding:10px;font-size:9px;display:flex;flex-direction:column;justify-content:space-between}.creative-grid .art{background:radial-gradient(ellipse at 30% 70%,#a8b7bc77,transparent 55%),linear-gradient(150deg,#546657,#293c46 60%,#68735b)}.creative-grid .clip{background:linear-gradient(40deg,#435b5755,#a8b3a033);align-items:center;justify-content:center;gap:9px}.creative-grid strong{font-size:14px;font-weight:400}.closing{border-top:1px solid #b3c8b31a;margin:0 5%;padding:29px 0 31px;display:flex;align-items:center;justify-content:space-between;gap:15px}.closing p{font-size:14px;color:#99ab9f;line-height:1.8;margin:0}.closing strong{font-weight:400;color:#d8dfd0}.closing button{font-size:12px;white-space:nowrap;color:#cce0b8}.closing button span{margin-left:14px}footer{padding:19px 5% 23px;border-top:1px solid #b3c8b312;display:flex;justify-content:space-between;gap:15px;color:#637c6d;font-size:10px}footer div{display:flex;gap:22px}footer a:hover{color:#cce0b8}dialog{background:#14251d;color:var(--ink);border:1px solid #758b6744;border-radius:20px;padding:35px;width:min(90vw,560px);box-shadow:0 30px 150px #0008}dialog::backdrop{background:#020a08bb;backdrop-filter:blur(8px)}dialog h2{font-size:25px;font-weight:500}dialog p{color:#a7b9ad;line-height:1.9;font-size:14px}dialog li{font-size:14px;line-height:2;color:#bdd0be}.close{position:absolute;right:15px;top:10px;font-size:28px;padding:6px}#render-status{position:absolute;top:25px;left:8%;font-size:10px;color:#9caea2}.story-enter{animation:appear .6s both}@keyframes appear{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}.media .answer,.media .table-line{animation:appear 1s .2s both}
@media(min-width:1600px){.story-wrap{right:14%}.universe{height:620px}.galaxy-caption{left:14%}}
@media(max-width:760px){header{height:72px;padding:0 6%}.brand small,nav{display:none}.brand-mark{font-size:30px}.brand b{font-size:18px}.contact{font-size:11px;padding:10px 13px}.contact span{margin-left:10px}.intro{padding:30px 18px 0}h1{font-size:37px;letter-spacing:-1px;margin:15px 0}h1 br{display:block}.eyebrow{font-size:9px}.intro p{font-size:12px;max-width:290px;margin:auto;line-height:1.8}.universe{height:660px;margin-top:-8px}#galaxy{height:370px}.space-backdrop{background:radial-gradient(ellipse at 50% 24%,#17295070,transparent 50%)}.galaxy-caption{display:none}.story-wrap{left:7%;right:7%;top:285px;width:auto}#story{display:grid;grid-template-columns:1fr;gap:0}#story h2{font-size:24px;line-height:1.35;margin:7px 0 10px}#story h2 br{display:none}#story p{font-size:12px;line-height:1.8;margin-bottom:14px;max-width:100%}.story-number{font-size:9px}.media{height:133px;padding:13px 16px}.query{margin-top:9px;padding:8px}.answer{margin-top:7px}.story-link{margin-top:9px}.closing{margin:0 6%;padding:24px 0;display:block}.closing p{font-size:12px}.closing strong{display:block}.closing button{margin-top:15px;padding:0}footer{padding:18px 6%;font-size:9px;flex-direction:column;gap:12px}footer div{justify-content:space-between}.creative-grid div{height:70px}#render-status{top:14px;left:6%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

#galaxy{background:url("assets/galaxy-poster.png") center / cover no-repeat}#galaxy.ready{background-image:none}
@media(max-width:760px){.story-wrap{top:327px}.universe{height:675px}}

footer button{padding:0;font-size:inherit;color:inherit}footer button:hover{color:#cce0b8}

.story-previous{position:absolute;inset:0;pointer-events:none;animation:leave 1.2s both}.story-previous h2{font-size:30px;line-height:1.45;letter-spacing:-.7px;font-weight:500;margin:12px 0}.story-previous p{font-size:13px;line-height:1.9;color:#a7b9ad;margin:0 0 20px;max-width:315px}.story-enter{animation:appear 1.2s both}@keyframes leave{to{opacity:0;transform:translateY(-8px);filter:blur(3px)}}
@media(max-width:760px){.story-wrap{top:285px}.story-previous h2{font-size:24px;line-height:1.35;margin:7px 0 10px}.story-previous h2 br{display:none}.story-previous p{font-size:12px;line-height:1.8;margin-bottom:14px;max-width:100%}.universe{height:620px}}

.closing .services-link{font-size:12px;white-space:nowrap;color:#cce0b8}.closing .services-link span{margin-left:14px}a.story-link{display:inline-block}@media(max-width:760px){.closing .services-link{display:inline-block;margin-top:15px}}

/* Readable labels and unobtrusive controls outside the changing story. */
.galaxy-caption small{font-size:11px;color:#9eb4cb;letter-spacing:2px}.media:after{font-size:10px;color:#b6c6da}
.story-controls{display:flex;gap:18px;margin-top:12px;position:relative;z-index:3}.story-controls button{font:inherit;font-size:12px;min-height:44px;padding:8px 0;color:#c5d7ef;background:none;border:0;cursor:pointer}.story-controls button:focus-visible{outline:2px solid #b8d3ff;outline-offset:4px;border-radius:4px}
@media(max-width:760px){.story-wrap{isolation:isolate}.story-wrap::before{content:"";position:absolute;inset:-28px -12px -12px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,transparent,#080f1df5 55px,#080f1d 100%)} }