:root{color-scheme:dark;--bg:#020b25;--text:#f4f7ff;--muted:#aebbd8;--blue:#1463ff;--line:rgba(76,121,222,.27)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:98px}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #65c2ff;outline-offset:6px}svg{width:22px;height:22px;stroke-width:1.7;flex-shrink:0}button{color:inherit}p,h1,h2,h3{margin:0}button{border:0}.skip{position:fixed;z-index:99;left:16px;top:-80px;background:#1463ff;padding:14px}.skip:focus{top:12px}.header{position:absolute;top:0;left:0;right:0;z-index:20;border-bottom:1px solid rgba(104,148,238,.18);background:rgba(2,8,26,.36)}.nav-shell{max-width:1360px;width:calc(100% - 80px);height:82px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-weight:750;font-size:26px;letter-spacing:3px}.brand svg{color:#298bff;width:29px;height:32px;stroke-width:2.2}.nav{display:flex;align-items:center;gap:38px}.nav a{font-size:15px;color:#bbc5dc;transition:color .2s}.nav a:hover{color:white}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:50px;padding:0 28px;border-radius:30px;font-size:16px;font-weight:500;letter-spacing:1px;white-space:nowrap;transition:transform .25s,filter .25s,background .25s,border-color .25s,box-shadow .25s}.primary{background:linear-gradient(115deg,#1faaff,#0647ff 82%);border:1px solid #258bff;box-shadow:0 4px 20px #0039d334}.primary:hover{filter:brightness(1.12);transform:translateY(-2px);box-shadow:0 7px 25px #004bff40}.button svg{width:19px;transition:transform .25s}.button:hover svg{transform:translateX(4px)}.secondary{border:1px solid #687d9e80;background:#07133033}.secondary:hover{background:#17315a66;border-color:#769cd8}.nav-cta{min-height:40px;padding:0 20px;font-size:14px;gap:12px}.menu-button{display:none;background:transparent;padding:8px}.hero{position:relative;height:100svh;min-height:640px;max-height:1200px;isolation:isolate;overflow:hidden;background:#020b25}.scene{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none;mask-image:linear-gradient(#000 0%,#000 84%,transparent 100%)}.artboard{position:absolute;width:max(100%,177.778svh);height:auto;aspect-ratio:16/9;left:50%;top:50%;transform:translate(-50%,-50%)}.sky-layer{position:absolute;inset:-1%;will-change:transform}.sky{height:100%;width:100%;object-fit:fill;display:block}.base-sky{mask-image:radial-gradient(circle at 24.65% 46.85%,transparent 0 3%,#000 3.2%),radial-gradient(circle at 78.15% 29.5%,transparent 0 2.6%,#000 2.8%);mask-composite:intersect}.planet-one{mask-image:radial-gradient(circle at 24.65% 46.85%,#000 0 3.05%,transparent 3.2%)}.planet-two{mask-image:radial-gradient(circle at 78.15% 29.5%,#000 0 2.65%,transparent 2.8%)}.planet-layer .sky{animation:planet-drift 11s ease-in-out infinite}.planet-two .sky{animation-duration:14s;animation-delay:-5s}.letter{position:absolute;top:27%;width:33%;will-change:transform}.letter img{display:block;width:100%;height:auto;filter:brightness(.72) saturate(.88);animation:letter-light 10s ease-in-out infinite,letter-arrive 1.2s cubic-bezier(.2,.7,.2,1) both}.left{left:-3%}.right{right:-3%}.right img{animation-delay:-4s,0s}.earth-layer{position:absolute;top:49%;left:-3%;width:106%;transform-origin:50% 80%;will-change:transform}.earth{display:block;width:100%;height:auto;animation:earth-glow 10s ease-in-out infinite,earth-arrive 1.2s ease-out both}.hero-copy{position:absolute;top:24.5%;left:50%;width:min(900px,90%);transform:translateX(-50%);text-align:center;z-index:2}.eyebrow{font-size:16px;letter-spacing:2.1px;color:#9eafd8;margin-bottom:26px}.eyebrow span{margin:0 15px;color:#6580b4}h1{font-weight:750;letter-spacing:1px;line-height:1.45;text-shadow:0 2px 28px #020b25}h1 span{display:block;font-size:clamp(36px,3.5vw,66px)}h1 span+span{font-size:clamp(30px,2.95vw,57px);margin-top:7px}.hero-subtitle{margin-top:26px;font-size:19px;letter-spacing:2px;color:#c4cde1}.hero-subtitle b{font-weight:400;color:#6d84b5;margin:0 10px}.hero-actions{display:flex;justify-content:center;gap:20px;margin-top:38px}.hero-actions .button{min-width:168px}.enter{animation:enter .75s cubic-bezier(.2,.6,.2,1) both}.e1{animation-delay:.08s}.e2{animation-delay:.18s}.e3{animation-delay:.3s}.e4{animation-delay:.45s}.e5{animation-delay:.6s}.scroll-cue{position:absolute;bottom:35px;left:50%;transform:translateX(-50%);display:flex;align-items:center;flex-direction:column;gap:10px;font-size:11px;letter-spacing:4px;color:#94a7cd}.scroll-cue svg{width:16px;animation:cue 3s ease-in-out infinite}.motion-toggle{position:absolute;right:max(28px,calc((100vw - 1360px)/2));bottom:36px;display:flex;align-items:center;gap:7px;background:transparent;color:#7e94be;font-size:11px;letter-spacing:1px;padding:8px}.motion-toggle svg{width:13px;height:13px}.motion-toggle:hover{color:#fff}.section{max-width:1360px;width:calc(100% - 80px);margin:auto;padding:110px 0}.services{padding-top:45px;padding-bottom:100px}.section-top{display:flex;justify-content:space-between;align-items:center;gap:35px;margin-bottom:50px}.section-label{font-size:11px;letter-spacing:3px;font-weight:600;color:#6f90d4;margin-bottom:17px}.services .section-label{display:none}h2{font-size:clamp(28px,2.5vw,44px);line-height:1.45;font-weight:650;letter-spacing:1px}.section-description{font-size:16px;line-height:1.8;color:var(--muted);margin-top:14px}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.step{border:1px solid #284e9270;border-radius:18px;background:#061b473d;padding:30px 24px 32px;transition:transform .3s,border-color .3s,background .3s}.step:hover{transform:translateY(-5px);border-color:#3b79d8;background:#08245566}.step-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.step-top svg{color:#18b9ef;width:36px;height:36px;stroke-width:1.7}.step-top span{font-size:14px;color:#5286eb;font-weight:600;letter-spacing:2px}.step h3{font-size:22px;letter-spacing:1px;margin-bottom:12px}.step p{font-size:14px;line-height:1.9;color:var(--muted)}.assurance{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;margin-top:34px;border:1px solid #284e9270;border-radius:18px;padding:30px;background:#061b473d}.assurance>div{display:flex;align-items:center;justify-content:center;gap:20px;border-left:1px solid #284e9270;padding:0 18px}.assurance>div:first-child{display:block;border:0;padding-left:4px}.assurance h3{font-size:26px;margin-bottom:8px}.assurance p,.assurance small{color:var(--muted);font-size:14px}.assurance strong{font-size:18px;font-weight:550;display:block;margin-bottom:9px}.assurance svg{width:32px;height:32px;color:#5b94f5;stroke-width:1.2}.cases{border-top:1px solid #17294e}.demo-note{font-size:12px;color:#7990b8;line-height:1.8}.filters{display:flex;gap:12px;margin-bottom:35px;flex-wrap:wrap}.filters button{padding:10px 20px;border:1px solid #27416d;border-radius:25px;background:transparent;color:#a9bbdb;font-size:14px;transition:background .2s,border-color .2s}.filters button.active{background:#123777;border-color:#397ee3;color:white}.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.case{display:flex;align-items:flex-start;gap:20px;text-align:left;min-height:215px;padding:32px 25px;background:#071630;border:1px solid var(--line);border-radius:14px;transition:background .25s,transform .25s}.case:hover{background:#0b2145;transform:translateY(-4px)}.case[hidden]{display:none}.case-index{font-size:12px;color:#6089d0;padding-top:3px}.case-content{display:flex;flex-direction:column;gap:16px;flex:1}.case-content small{font-size:9px;letter-spacing:1.5px;color:#6d8dbe}.case-content strong{font-size:23px;font-weight:600}.case-content>span{font-size:13px;line-height:1.9;color:var(--muted)}.case>svg{width:18px;color:#6a9cea}.scenarios{border-top:1px solid #17294e}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:65px;margin-top:50px}.scenario-grid article+article{border-left:1px solid var(--line);padding-left:45px}.scenario-grid article>span{color:#638ac8;font-size:12px;letter-spacing:2px}.scenario-grid h3{font-size:24px;margin:22px 0 15px;font-weight:550}.scenario-grid p{font-size:15px;color:var(--muted);line-height:1.9}.contact{display:grid;grid-template-columns:1fr 1fr;gap:100px;border-top:1px solid #17294e}.contact h2{font-size:clamp(32px,3vw,48px)}.contact-copy>p:last-child{color:var(--muted);line-height:2;margin-top:25px;font-size:17px}form{display:grid;gap:20px}label{display:grid;gap:10px;font-size:13px;color:#b5c6e2}input,select,textarea{width:100%;padding:14px 16px;color:#e5efff;background:#07152d;border:1px solid #29436b;border-radius:8px;resize:vertical;font-size:14px}input::placeholder,textarea::placeholder{color:#5f7498}form .button{justify-self:start}.form-note,#form-status{font-size:12px;color:#7d94bb;line-height:1.8}#form-status{color:#a5c8ff;min-height:20px}footer{width:calc(100% - 80px);max-width:1360px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:35px 0 40px;gap:25px}footer .brand{font-size:20px}footer p,footer>a:last-child{font-size:12px;color:#8ca2c9}footer>a:last-child{display:flex;align-items:center;gap:10px}footer svg{width:16px}dialog{background:#06142c;border:1px solid #365990;border-radius:20px;color:#eef4ff;width:min(580px,calc(100% - 32px));padding:50px;box-shadow:0 35px 150px #000b}dialog::backdrop{background:#000a;backdrop-filter:blur(10px)}.dialog-close{position:absolute;right:18px;top:18px;background:transparent;padding:8px;color:#9fb6dc}dialog h2{font-size:30px;margin:18px 0}dialog>p:not(.section-label){color:#a7badb;line-height:1.9;font-size:14px}dialog ul{padding-left:20px;margin:24px 0;color:#c9d9f5;line-height:2;font-size:15px}dialog .button{margin-top:25px}
@keyframes enter{from{opacity:.12;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes letter-arrive{from{opacity:.45;translate:0 15px}to{opacity:1;translate:0 0}}@keyframes earth-arrive{from{opacity:.4}to{opacity:1}}@keyframes letter-light{0%,100%{filter:brightness(.72) saturate(.88)}50%{filter:brightness(.82) saturate(.91)}}@keyframes earth-glow{0%,100%{filter:brightness(.91)}50%{filter:brightness(1.025)}}@keyframes planet-drift{0%,100%{translate:0 0}50%{translate:0 -4px}}@keyframes cue{0%,100%{transform:translateY(0);opacity:.6}50%{transform:translateY(5px);opacity:1}}
.motion-off *, .motion-off *::before,.motion-off *::after{animation:none!important}.motion-off .enter{opacity:1}.motion-off .letter img,.motion-off .earth{opacity:1}
@media(min-width:1921px){.artboard{width:max(100%,2133px)}}
@media(max-height:740px) and (min-width:761px){.hero{min-height:560px}.hero-copy{top:24%}.eyebrow{margin-bottom:15px;font-size:12px}h1 span{font-size:44px}h1 span+span{font-size:36px}.hero-subtitle{margin-top:15px;font-size:16px}.hero-actions{margin-top:24px}.hero-actions .button{min-height:44px}.scroll-cue{bottom:22px}}
@media(max-width:1100px){.nav-shell,.section,footer{width:calc(100% - 56px)}.nav{gap:22px}.nav a{font-size:13px}.brand{font-size:22px}.steps{gap:10px}.step{padding:24px 16px}.step h3{font-size:19px}.step p{font-size:12px}.assurance{padding:25px 15px}.assurance>div{padding:0 12px;gap:12px}.assurance h3{font-size:22px}.assurance strong{font-size:16px}.assurance small{font-size:12px}.contact{gap:60px}.case{padding:25px 18px;gap:12px}.case-content strong{font-size:20px}}
@media(max-width:760px){html{scroll-padding-top:30px}.nav-shell{width:calc(100% - 36px);height:68px;gap:14px}.brand{font-size:20px;letter-spacing:2px;gap:8px}.brand svg{width:24px}.nav-cta{margin-left:auto;min-height:34px;font-size:11px;padding:0 13px;gap:5px}.nav-cta svg{width:14px}.menu-button{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#04112df5;padding:20px 25px;border-bottom:1px solid #264168;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:14px 0;font-size:15px}.hero{height:100svh;min-height:690px;max-height:950px}.artboard{width:100%;height:100%;aspect-ratio:auto}.sky-layer{inset:-2%;opacity:.75}.sky{object-fit:cover;object-position:52% center}.base-sky{mask-image:none}.planet-layer{display:none}.letter{top:auto;bottom:18%;width:58%}.left{left:-20%}.right{right:-20%}.letter img{filter:brightness(.65)}.earth-layer{top:auto;bottom:2%;width:220%;left:-60%}.hero-copy{top:21%;width:calc(100% - 34px)}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:24px}.eyebrow span{margin:0 7px}h1 span{font-size:35px;letter-spacing:1px}h1 span+span{font-size:clamp(22px,5.8vw,34px);letter-spacing:0;margin-top:13px;white-space:nowrap}.hero-subtitle{font-size:13px;letter-spacing:1px;margin-top:25px}.hero-subtitle b{margin:0 5px}.hero-actions{gap:12px;margin-top:30px}.hero-actions .button{min-width:135px;min-height:45px;padding:0 18px;font-size:13px;gap:12px}.scroll-cue{bottom:28px;font-size:10px}.motion-toggle{bottom:26px;right:12px;font-size:10px}.motion-toggle span{display:none}.section,footer{width:calc(100% - 40px)}.section{padding:65px 0}.services{padding-top:15px}.section-top{display:block;margin-bottom:30px}.section-top .button{margin-top:24px;font-size:13px;min-height:44px}h2{font-size:26px}.section-description{font-size:14px}.steps{grid-template-columns:repeat(2,1fr);gap:12px}.step{padding:22px 18px}.step:last-child{grid-column:1/-1}.step-top{margin-bottom:24px}.step-top svg{width:30px;height:30px}.step p{font-size:12px}.step:last-child .step-top{margin-bottom:16px}.assurance{grid-template-columns:1fr;gap:23px;padding:25px}.assurance>div{border-left:0;justify-content:flex-start;padding:0}.assurance>div:first-child{padding:0 0 20px;border-bottom:1px solid var(--line)}.assurance strong{margin-bottom:4px}.demo-note{display:inline-block;margin-top:12px}.filters{gap:8px;margin-bottom:25px}.filters button{padding:9px 13px;font-size:12px}.case-list{grid-template-columns:1fr;gap:12px}.case{min-height:160px;padding:24px}.case-content{gap:12px}.scenario-grid{grid-template-columns:1fr;gap:30px;margin-top:30px}.scenario-grid article+article{border-left:0;padding:25px 0 0;border-top:1px solid var(--line)}.scenario-grid h3{font-size:22px;margin:13px 0 10px}.contact{grid-template-columns:1fr;gap:38px}.contact h2{font-size:34px}.contact-copy>p:last-child{font-size:15px}footer{flex-wrap:wrap;padding:28px 0;gap:22px}footer p{order:3;width:100%;font-size:11px}dialog{padding:40px 26px}dialog h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.enter{opacity:1}.letter img,.earth{opacity:1}}
/* Exact supplied brand, revealed from its source rather than redrawn. */
.logo-window{display:block;width:169px;height:38px;position:relative;overflow:hidden}.logo-window img{position:absolute;max-width:none;width:1536px;height:1600px;left:-39px;top:-12px}.brand-original{mix-blend-mode:screen}.small-planet{position:absolute;width:5.6%;will-change:transform}.small-planet img{display:block;width:100%;animation:planet-drift 11s ease-in-out infinite}.small-planet.planet-one{left:21.8%;top:41.9%;mask-image:none}.small-planet.planet-two{left:75.7%;top:25.1%;width:4.8%;mask-image:none}.small-planet.planet-two img{animation-duration:14s;animation-delay:-5s}.letter img.ribbon-sheen{position:absolute;inset:0;opacity:.12;filter:brightness(1.4);mask-image:linear-gradient(115deg,transparent 35%,#000 49%,transparent 64%);mask-size:350% 100%;animation:ribbon-flow 12s linear infinite;clip-path:polygon(0 29%,100% 90%,100% 100%,0 50%)}.right img.ribbon-sheen{clip-path:polygon(0 83%,100% 28%,100% 53%,0 100%);animation-direction:reverse;animation-delay:-3s}.hero-away .hero *{animation-play-state:paused!important}@keyframes ribbon-flow{from{mask-position:150% 0}to{mask-position:-50% 0}}
@media(max-width:760px){.logo-window{transform:scale(.83);transform-origin:left center;width:145px;margin-right:-14px}.small-planet{display:none}.letter img.ribbon-sheen{opacity:.07}}
@media(min-width:761px){.left{left:0}.right{width:40%;right:-2%;top:25%}}
@media(max-width:760px){.letter{width:70%;bottom:16%}.left{left:-9%}.right{right:0}}
/* V2: stronger depth, local light response, and a single coherent light cycle. */
.artboard{animation:scene-establish 1.8s cubic-bezier(.18,.65,.25,1) both}.sky-layer{inset:-4%}.letter{--hot:0;--light-x:50%;--light-y:40%}.letter>img:first-child{filter:brightness(calc(.76 + var(--hot)*.30)) saturate(.9);animation:letter-arrive 1.45s cubic-bezier(.18,.7,.2,1) both}.letter img.ribbon-sheen{opacity:calc(.25 + var(--hot)*.13);filter:brightness(1.65) saturate(.95);animation:ribbon-flow-v2 7s cubic-bezier(.35,.05,.35,1) infinite;mask-image:linear-gradient(115deg,transparent 36%,#000 48%,#000 51%,transparent 65%);mask-size:320% 100%}.left img.ribbon-sheen{animation-direction:normal}.right img.ribbon-sheen{animation-direction:reverse;animation-delay:-1.1s}.letter img.pointer-light{position:absolute;inset:0;width:100%;height:auto;filter:brightness(1.55) saturate(.87);opacity:calc(var(--hot)*.48);mask-image:radial-gradient(ellipse 36% 40% at var(--light-x) var(--light-y),#000 0%,#0009 38%,transparent 100%);animation:none}.earth{animation:earth-response 7s ease-in-out infinite,earth-arrive 1.4s ease-out both}.small-planet img{animation:planet-drift-v2 10s ease-in-out infinite}.small-planet.planet-two img{animation-duration:13s;animation-delay:-4s}.scene-inactive .hero *{animation-play-state:paused!important}.motion-off .artboard{transform:translate(-50%,-50%)}.motion-off .letter img.pointer-light{opacity:0}.motion-off .letter img.ribbon-sheen{opacity:0}.motion-off .earth{filter:brightness(1)}
@keyframes scene-establish{from{transform:translate(-50%,-50%) scale(.975)}to{transform:translate(-50%,-50%) scale(1)}}
@keyframes ribbon-flow-v2{0%{mask-position:145% 0}80%,100%{mask-position:-45% 0}}
@keyframes earth-response{0%,35%,100%{filter:brightness(.94)}64%{filter:brightness(1.12)}82%{filter:brightness(.99)}}
@keyframes planet-drift-v2{0%,100%{translate:0 0}50%{translate:0 -7px}}
@media(max-width:760px){.letter>img:first-child{filter:brightness(.72) saturate(.9)}.letter img.ribbon-sheen{opacity:.17}.letter img.pointer-light{display:none}.earth{animation:earth-response-mobile 9s ease-in-out infinite,earth-arrive 1.2s ease-out both}.artboard{animation-duration:1.4s}}
@keyframes earth-response-mobile{0%,100%{filter:brightness(.94)}65%{filter:brightness(1.04)}}
@media(prefers-reduced-motion:reduce){.artboard{transform:translate(-50%,-50%)}.letter img.ribbon-sheen,.letter img.pointer-light{display:none}.earth{filter:brightness(1)}}
/* Independent scroll-story edition. The last keyframe restores the original composition. */
.header{position:fixed;background:linear-gradient(180deg,#020b25ee,#020b25a8);backdrop-filter:blur(12px)}
.hero-story{position:relative;--hero-height:max(100svh,560px)}
.hero{height:var(--hero-height);min-height:0;max-height:none}
.story-ready .hero-story{height:calc(var(--hero-height) + 230svh)}
.story-ready .hero{position:sticky;top:0}
.artboard{animation:none}
.hero .enter{animation:none}
.hero .letter>img:first-child{animation:none}
.hero .earth{animation:earth-response 9s ease-in-out infinite}
.hero .scene{mask-image:linear-gradient(#000 0%,#000 82%,transparent 100%)}
.horizon-wash{position:absolute;z-index:0;pointer-events:none;left:4%;right:4%;bottom:7%;height:24%;background:radial-gradient(ellipse at center,#146bff88,transparent 66%);opacity:var(--horizon-light,.13);mix-blend-mode:screen}
.story-copy{position:absolute;top:27%;left:50%;width:min(1060px,calc(100% - 140px));text-align:center;transform:translateX(-50%);z-index:2;opacity:0;visibility:hidden;will-change:transform,opacity}
.story-copy h2{font-size:clamp(32px,3.3vw,64px);line-height:1.58;font-weight:650;letter-spacing:1px;text-shadow:0 3px 28px #020b25}
.story-copy h2 span{background:linear-gradient(115deg,#f4f8ff 5%,#b5d4ff 68%,#76b5ff);color:transparent;background-clip:text;-webkit-background-clip:text}
.story-copy .eyebrow{font-size:12px;letter-spacing:3px;margin-bottom:24px;color:#93abd3}
.story-subtitle{margin-top:25px;font-size:17px;letter-spacing:2px;color:#b5c4df;line-height:1.8}
.story-subtitle b{margin:0 12px;font-weight:400;color:#5376b5}
.story-final{will-change:transform,opacity}
.story-controls{position:absolute;left:max(32px,calc((100vw - 1360px)/2));right:max(32px,calc((100vw - 1360px)/2));bottom:104px;display:none;justify-content:space-between;align-items:center;z-index:5}
.story-ready .story-controls{display:flex}
.story-chapters{display:flex;gap:24px}
.story-chapters button{position:relative;display:grid;grid-template-columns:auto 40px;gap:7px 9px;align-items:center;background:transparent;text-align:left;padding:8px 0;color:#7185a8;transition:color .3s}
.story-chapters button>span{font-size:10px;letter-spacing:1px;font-variant-numeric:tabular-nums}
.story-chapters i{display:block;position:relative;height:1px;width:40px;background:#36507999;overflow:hidden}
.story-chapters i::after{content:"";display:block;position:absolute;inset:0;background:#78b9ff;transform:scaleX(var(--fill,0));transform-origin:left}
.story-chapters small{grid-column:1/-1;font-size:10px;letter-spacing:2px;font-weight:400}
.story-chapters .current,.story-chapters button:hover{color:#dceaff}
.story-skip{padding:10px 0 10px 16px;display:flex;gap:8px;align-items:center;font-size:11px;letter-spacing:2px;color:#a9b9d7;background:transparent;transition:color .2s}
.story-skip:hover{color:#fff}.story-skip svg{width:15px;height:15px}.story-skip[hidden]{display:none}
.scroll-cue{z-index:5;bottom:32px;font-size:10px;letter-spacing:3px;white-space:nowrap}
.motion-toggle{z-index:5;bottom:30px}
.story-ready .services{padding-top:65px}
@media(min-width:1921px){.artboard{width:max(100%,177.778svh)}}
@media(max-height:740px) and (min-width:761px){
 .story-copy{top:25%}.story-copy h2{font-size:clamp(32px,3.2vw,48px);line-height:1.5}.story-copy .eyebrow{font-size:10px;margin-bottom:16px}.story-subtitle{margin-top:17px;font-size:14px}.story-controls{bottom:75px}.scroll-cue{bottom:20px}.motion-toggle{bottom:18px}
}
@media(max-width:760px){
 html{scroll-padding-top:88px}.hero-story{--hero-height:max(100svh,520px)}
 .story-ready .hero-story{height:calc(var(--hero-height) + 170svh)}
 .story-copy{top:25%;width:calc(100% - 30px)}
 .story-copy h2{font-size:clamp(23px,5.4vw,37px);letter-spacing:0;line-height:1.65}
 .story-copy .eyebrow{font-size:9px;letter-spacing:1.9px;margin-bottom:22px}
 .story-subtitle{font-size:12px;letter-spacing:1px;margin-top:22px}.story-subtitle b{margin:0 6px}
 .hero-copy{top:24%}.hero-copy h1 span{font-size:clamp(28px,7.8vw,35px)}.hero-copy h1 span+span{font-size:clamp(20px,5.8vw,34px)}
 .story-controls{left:22px;right:22px;bottom:84px}.story-chapters{gap:17px}.story-chapters button{grid-template-columns:auto 23px;gap:6px}.story-chapters i{width:23px}.story-chapters small{font-size:9px;letter-spacing:1px}.story-skip{font-size:10px;letter-spacing:1px}
 .scroll-cue{font-size:9px;letter-spacing:2px;bottom:25px}.motion-toggle{bottom:23px;right:14px}
 .hero .earth{animation:earth-response-mobile 9s ease-in-out infinite}.story-ready .services{padding-top:30px}
}
@media(max-height:600px){
 .hero-copy{top:20%}.hero-copy .eyebrow{margin-bottom:15px}.hero-subtitle{margin-top:14px}.hero-actions{margin-top:22px}.story-controls{bottom:70px}.story-copy{top:24%}
}
/* Stronger cinematic depth: wide establishing view → close fly-by → brand composition. */
.sky-layer{transform-origin:50% 55%}
.letter{transform-origin:50% 60%}
.small-planet{transform-origin:50% 50%}
.hero .scene::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 38% 29% at 50% 39%,#020b25 15%,transparent 100%);opacity:var(--reading-veil,0)}
.hero .letter img.ribbon-sheen{animation-duration:6s;opacity:calc(.31 + var(--hot)*.14)}
.hero .right img.ribbon-sheen{animation-delay:-1.3s}
.story-copy h2{font-weight:650;text-shadow:0 4px 28px #020b25,0 0 65px #020b2580}
@media(max-width:760px){.hero .letter img.ribbon-sheen{opacity:.19}.hero .scene::after{background:radial-gradient(ellipse 65% 30% at 50% 38%,#020b25 10%,transparent 100%)}}
.motion-off .hero .letter img.ribbon-sheen{opacity:0}
/* Slow, scroll-scrubbed material reveal. No timed scene or copy entrance. */
.story-ready .hero-story{height:calc(var(--hero-height) + 252svh)}
.sky-original{position:absolute;inset:0;width:100%;height:100%}
.story-copy{top:34%}
.story-copy h2{line-height:1.6}
.story-ready .earth-layer,.story-ready .letter,.story-ready .small-planet,.story-ready .sky-original{opacity:0}
.story-final .enter{will-change:transform,opacity}
.story-chapters button{grid-template-columns:auto 40px}
@media(max-width:760px){.story-ready .hero-story{height:calc(var(--hero-height) + 192svh)}.story-copy{top:33%}.story-chapters button{grid-template-columns:auto 23px}}
@media(max-height:600px){.story-copy{top:30%}}

.story-pending .earth-layer,.story-pending .letter,.story-pending .small-planet,.story-pending .sky-original,.story-pending .horizon-wash{opacity:0}
.story-pending .story-final{visibility:hidden}
/* Centre-locked camera and glyph-aware foreground framing. */
.sky-layer{transform-origin:50% 50%}
.left{transform-origin:39.5% 60%}
.right{transform-origin:77.5% 60%}
.story-copy h2{width:100%;text-align:center;color:#fff}
.story-copy h2 .story-line{display:block;width:100%;text-align:center;background:none;color:#fff;-webkit-text-fill-color:#fff;letter-spacing:inherit}

/* Screenshot correction: softer atmosphere, restrained glyph scale, continuous outer ribbons. */
.earth-layer .earth{
 -webkit-mask-image:url("https://oss.shujiang.top/gw-static/modules/hero/assets/earth-feather.svg");mask-image:url("https://oss.shujiang.top/gw-static/modules/hero/assets/earth-feather.svg");
 -webkit-mask-size:100% 100%;mask-size:100% 100%;
 -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
}
.earth-layer::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:url("https://oss.shujiang.top/gw-static/modules/hero/assets/earth.png") center/100% 100% no-repeat;
 -webkit-mask-image:url("https://oss.shujiang.top/gw-static/modules/hero/assets/earth-feather.svg");mask-image:url("https://oss.shujiang.top/gw-static/modules/hero/assets/earth-feather.svg");
 -webkit-mask-size:100% 100%;mask-size:100% 100%;
 filter:blur(14px);opacity:.24;transform:scale(1.008);transform-origin:50% 65%;
}
@keyframes earth-response{0%,35%,100%{filter:brightness(.92)}64%{filter:brightness(1.02)}82%{filter:brightness(.96)}}



/* Complete reference-derived groups: one continuous material per side, no patches. */
.hero .letter{height:auto;bottom:auto;isolation:auto}
.hero .letter.left{left:0;right:auto;top:19%;width:50%;transform-origin:24.5% 60%;mask-image:linear-gradient(to right,#000 0%,#000 40%,transparent 68%,transparent 100%)}
.hero .letter.right{right:0;left:auto;top:14.5%;width:66%;transform-origin:84% 60%;mask-image:linear-gradient(to right,transparent 0%,transparent 44%,#000 73%,#000 100%)}
.hero .letter>img.material-reference{
 position:relative;display:block;width:100%;height:auto;animation:none;
 filter:brightness(calc(.92 + var(--hot)*.08)) saturate(.94);
}
.hero .letter img.ribbon-sheen{
 opacity:calc(.09 + var(--hot)*.05);animation:ribbon-flow-v2 12s ease-in-out infinite;
 filter:brightness(1.08) saturate(.82);
}
.hero .left img.ribbon-sheen{clip-path:polygon(0 30%,40% 64%,70% 88%,70% 100%,0 76%)}
.hero .right img.ribbon-sheen{clip-path:polygon(42% 77%,70% 56%,100% 34%,100% 72%,42% 100%);animation-direction:reverse;animation-delay:-3s}
.hero .letter img.pointer-light{filter:brightness(1.1) saturate(.84);opacity:calc(var(--hot)*.20);animation:none}
.horizon-wash{left:8%;right:8%;bottom:16%;height:28%;background:radial-gradient(ellipse at 50% 60%,#146bff99,transparent 70%)}
.motion-off .hero .letter img.ribbon-sheen,.motion-off .hero .letter img.pointer-light{opacity:0}
@media(max-width:760px){
 .hero .letter.left,.hero .letter.right{top:auto;bottom:19%;width:100%}
 .hero .letter>img.material-reference{filter:brightness(.90) saturate(.94)}
 .hero .letter img.ribbon-sheen{opacity:.06}
 .earth-layer::before{filter:blur(9px);opacity:.20}
 .horizon-wash{left:-10%;right:-10%;bottom:12%;height:25%}
}

/* Keep the opening message available without JavaScript. */
html:not(.story-ready):not(.story-pending) .story-intro{opacity:1;visibility:visible}