:root{--paper:#F5F7FB;--ink:#111B38;--silver:#CCD4E0;--ice:#76BFE8;--indigo:#3342A1;--muted:#596982;--ease-out:cubic-bezier(.23,1,.32,1);--ease-in-out:cubic-bezier(.77,0,.175,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button:active{transform:scale(.97)}:focus-visible{outline:3px solid #447CB1;outline-offset:5px}::selection{background:#c5dafa}button{transition:transform 160ms var(--ease-out),background-color 160ms ease}button:disabled{cursor:default;opacity:.55}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;z-index:100;left:20px;top:-100px;background:var(--ink);color:white;padding:14px 22px}.skip:focus{top:12px}
.site-header{position:fixed;z-index:40;left:3.5%;right:3.5%;top:16px;display:flex;align-items:center;gap:30px;justify-content:space-between;padding:14px 22px;border:1px solid #ffffffc7;border-radius:18px;background:#f8faffb8;backdrop-filter:blur(22px);box-shadow:0 5px 35px #18356108}.brand{display:flex;align-items:center;gap:15px;white-space:nowrap}.brand strong{font-size:23px;font-weight:750;letter-spacing:-1px}.brand span{font-size:12px;padding-left:15px;border-left:1px solid #afb9cc;letter-spacing:2px}.site-header nav{display:flex;gap:30px;font-size:13px;margin-left:auto}.site-header nav a{padding:8px 0}.motion-toggle{border:1px solid #bbc9dd;border-radius:30px;padding:7px 16px;background:#fff8;font-size:11px;white-space:nowrap}
.cinema{height:360svh;position:relative}.cinema-stage{height:100svh;min-height:620px;position:sticky;top:0;overflow:clip;isolation:isolate;background:var(--paper)}.stage-wash{position:absolute;inset:0;z-index:-4;background:radial-gradient(ellipse at 70% 47%,#d0e5fa 0%,#e8eaf8 31%,#f5f7fb 68%);opacity:0}.stage-grid{position:absolute;inset:0;z-index:-3;background-image:linear-gradient(#7d9cbd13 1px,transparent 1px),linear-gradient(90deg,#7d9cbd13 1px,transparent 1px);background-size:65px 65px;mask-image:radial-gradient(ellipse at 65% 50%,#000,transparent 75%);opacity:.5}#orbit{position:absolute;inset:0;width:100%;height:100%;z-index:-2}.giant-ai{position:absolute;right:3%;top:12%;font-size:clamp(260px,37vw,640px);font-weight:800;line-height:1;letter-spacing:-.08em;color:#e1e6f0;z-index:-2;opacity:.7}.hero-portrait{position:absolute;right:-1%;bottom:-8%;height:110%;width:55%;margin:0;transform-origin:75% 55%;will-change:transform,opacity;z-index:-1}.hero-portrait img{height:100%;width:100%;max-width:none;object-fit:cover;object-position:50% 34%;mask-image:linear-gradient(90deg,transparent 0%,#000 14%,#000 93%,transparent 100%)}.portrait-shade{position:absolute;inset:0;background:linear-gradient(0deg,var(--paper) 0%,transparent 17%,transparent 95%,#f5f7fb80 100%)}.scene{position:absolute;inset:0;padding:clamp(130px,21svh,230px) 7% 120px;will-change:transform,opacity}.scene-intro{width:62%;pointer-events:auto}.identity{margin:0 0 8px;font-size:13px;letter-spacing:3px;font-weight:550}.scene h1{font-size:clamp(90px,11vw,180px);font-weight:780;line-height:1;letter-spacing:-.08em;margin:0 0 14px}.personal-label{font-size:clamp(16px,1.8vw,26px);letter-spacing:6px;margin:0 0 33px;color:#64748e}.hero-line{font-size:clamp(24px,2.5vw,40px);font-weight:600;line-height:1.6;letter-spacing:-1px;margin:0 0 25px}.hero-actions{display:flex;align-items:center;gap:24px}.solid-button{display:inline-flex;align-items:center;justify-content:center;gap:24px;border:1px solid var(--ink);background:var(--ink);color:white;padding:15px 24px;border-radius:5px;font-size:13px;line-height:1.5;min-height:50px}.solid-button span{font-size:21px}.quiet-link{border:0;border-bottom:1px solid #8b9fb8;background:transparent;font-size:12px;padding:7px 0;display:inline-flex;align-items:center;gap:14px;line-height:1.6}.scene-business,.scene-live{opacity:0;pointer-events:none}.scene-kicker{font-size:13px;letter-spacing:3px;margin:0 0 18px;color:#516780}.scene h2{font-size:clamp(42px,4.7vw,78px);line-height:1.27;letter-spacing:-3px;font-weight:650;margin:0 0 24px}.scene-description{font-size:16px;line-height:1.85;color:#526882;margin:0 0 25px}.scene-business{padding-top:27svh}.business-topics{display:flex;gap:10px;margin-bottom:25px}.business-topics a{padding:8px 18px;border:1px solid #91a7c6;background:#ffffff60;border-radius:25px;font-size:13px;backdrop-filter:blur(10px)}.scene-live{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:8%;padding-top:115px;padding-bottom:98px}.live-copy h2{font-size:clamp(48px,6vw,92px)}.live-copy .solid-button{margin-top:4px}.source-link{display:block;width:max-content;margin-top:18px}.live-reel{width:min(100%,350px);justify-self:center;transform-origin:center;will-change:transform}.reel-frame{height:min(68svh,670px);min-height:350px;position:relative;overflow:hidden;border:8px solid #fafcff;border-radius:22px;background:#dfe6ed;box-shadow:0 36px 75px #1d33562a,0 0 0 1px #9eabc230;transform:perspective(1400px) rotateY(-8deg) rotateZ(2deg)}.reel-frame video{height:100%;width:100%;object-fit:cover}.reel-edge{position:absolute;inset:0;border:1px solid #fff7;border-radius:15px;pointer-events:none}.reel-controls{display:flex;align-items:center;justify-content:space-between;padding:14px 2px 5px;font-size:11px}.reel-controls button{padding:3px 0;border:0;border-bottom:1px solid #9facc4;background:transparent}.live-reel input{display:block;width:100%;accent-color:var(--indigo);height:16px}.cinema-bottom{position:absolute;bottom:23px;left:4%;right:4%;display:flex;align-items:center;justify-content:space-between;gap:20px}.scroll-hint{display:flex;align-items:center;gap:12px;font-size:11px;color:#586a85}.scroll-mouse{width:17px;height:28px;border:1px solid #8595af;border-radius:15px;position:relative}.scroll-mouse:before{content:"";position:absolute;left:7px;top:6px;height:5px;width:1px;background:#596b83}.chapters{position:relative;display:flex;gap:7px;padding:9px 10px 12px;border-radius:40px;background:#ffffffa6;backdrop-filter:blur(12px);border:1px solid #d3ddec}.chapters button{border:0;background:transparent;border-radius:25px;padding:6px 17px;color:#62738d;font-size:11px}.chapters button[aria-current]{color:var(--ink);background:#e0e8f3}.chapter-track{position:absolute;left:27px;right:27px;bottom:4px;height:2px;background:#ced9e8;overflow:hidden}.chapter-track i{height:100%;width:100%;display:block;transform-origin:left;transform:scaleX(0);background:#365080}.skip-scene{font-size:11px;color:#64748e;white-space:nowrap}
.transition-band{background:#14233e;color:#eef4ff;min-height:380px;display:flex;align-items:center;justify-content:space-between;padding:70px 8%;position:relative;overflow:hidden}.transition-band:after{content:"";position:absolute;width:480px;height:480px;border:1px solid #b4d2f044;border-radius:50%;right:-130px;top:-180px;box-shadow:0 0 0 50px #ffffff04,0 0 0 120px #ffffff02;pointer-events:none}.transition-band p{font-size:clamp(35px,4vw,65px);font-weight:350;line-height:1.4;letter-spacing:-2px;margin:0}.transition-band p strong{font-weight:600}.transition-band span{font-size:13px;align-self:flex-end;color:#bfd3ee}
.section-wrap{width:min(1280px,86%);margin:auto}.section-label{font-size:13px;color:#637b99;letter-spacing:2px;margin:0 0 22px}.story{display:grid;grid-template-columns:.95fr 1.05fr;gap:12%;align-items:center;padding:125px 0}.story-image{position:relative;margin:0}.story-image:before{content:"";position:absolute;inset:-22px 22px 22px -22px;border:1px solid #bdc9d9;z-index:-1}.story-image img{width:100%;max-height:600px;object-fit:cover}.story-image figcaption{font-size:11px;color:#7b8ea7;padding-top:17px}.story h2,.contact h2{font-family:"Songti SC","STSong",serif;font-size:clamp(36px,3.6vw,57px);font-weight:500;line-height:1.45;letter-spacing:-1px;margin:0 0 24px}.story-copy>p:not(.section-label){font-size:15px;color:#5c708b;line-height:2;max-width:480px}.story details{border-top:1px solid #c4d0df;border-bottom:1px solid #c4d0df;margin-top:30px}.story summary{cursor:pointer;padding:17px 0;display:flex;justify-content:space-between;font-size:14px}.story summary span{transition:transform 200ms var(--ease-out)}.story details[open] summary span{transform:rotate(45deg)}.story-details{font-size:13px;color:#5c708b;padding-bottom:14px}.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:7%;padding:100px 0 130px;border-top:1px solid #d2ddeb}.contact-heading>p:last-child{color:#657990;font-size:14px;line-height:2}.contact-console{padding:24px 30px;border:1px solid #cbd7e8;background:linear-gradient(145deg,#fff9,#dbe4f329);border-radius:17px}.contact-tabs{display:flex;gap:3px;border-bottom:1px solid #cbd7e8;padding-bottom:12px}.contact-tabs button{background:transparent;border:0;border-radius:30px;font-size:12px;flex:1;padding:9px 5px;white-space:nowrap}.contact-tabs button[aria-selected=true]{background:#192b49;color:white}#contact-panel h3{font-size:18px;font-weight:600;margin:25px 0 16px}#contact-panel label{font-size:11px;color:#7186a2}#contact-outline{width:100%;resize:vertical;padding:15px;border:1px solid #ccd8e8;border-radius:6px;background:#fcfdff;color:#3a506c;font-size:12px;line-height:2.1;margin:8px 0 18px;min-height:230px}#contact-status{font-size:12px;color:#48617e;min-height:22px;margin-bottom:0}footer{padding:50px 7%;background:#eaf0f8;display:flex;align-items:center;justify-content:space-between;gap:24px}footer p{font-size:12px;color:#637990}footer>div{display:flex;flex-direction:column;gap:9px;font-size:11px;color:#7288a3}footer a{font-size:12px}
@media(hover:hover) and (pointer:fine){.solid-button:hover{background:#314669;box-shadow:0 10px 24px #243d6420}.quiet-link:hover{color:#385582}.business-topics a:hover{background:white;box-shadow:0 4px 25px #37649417}.chapters button:hover{background:#dce7f5}.motion-toggle:hover{background:white}}
@media(min-width:801px) and (max-height:750px){.scene-intro{padding-top:125px}.scene h1{font-size:120px}.personal-label{margin-bottom:23px}.hero-line{font-size:29px}.scene-business{padding-top:160px}.scene-live{padding-top:110px;padding-bottom:95px}.scene h2{font-size:54px}.live-copy h2{font-size:65px}.reel-frame{height:65svh;min-height:300px}}
@media(max-width:1000px){.site-header{gap:15px}.site-header nav{gap:20px}.scene-intro{width:65%}.hero-actions{gap:16px}.solid-button{padding:13px 18px;font-size:12px}.scene-live{gap:6%;padding-inline:7%}.reel-frame{height:63svh}.scene-description{font-size:14px}.business-topics a{padding:8px 12px}.scroll-hint span:last-child{display:none}.story{gap:8%}.contact-console{padding:22px}.site-header .brand span{letter-spacing:0}}
@media(max-width:800px){.site-header{left:4%;right:4%;top:12px;padding:12px 14px;border-radius:14px;flex-wrap:wrap;gap:8px}.site-header .brand strong{font-size:20px}.brand span{font-size:10px;padding-left:11px}.site-header nav{gap:20px;order:3;width:100%;justify-content:center;border-top:1px solid #c6d1e340;padding-top:5px;font-size:11px}.motion-toggle{margin-left:auto;padding:5px 10px;font-size:10px}.cinema{height:330svh}.cinema-stage{min-height:640px}.scene{padding:150px 6% 118px}.scene-intro{width:100%;z-index:2}.scene h1{font-size:clamp(87px,21vw,150px);letter-spacing:-7px;margin-bottom:10px}.identity{font-size:11px;letter-spacing:2px}.personal-label{font-size:16px;letter-spacing:4px;margin-bottom:25px}.hero-line{font-size:25px;line-height:1.6;max-width:270px;margin-bottom:22px}.hero-portrait{width:88%;height:80%;right:-35%;bottom:-3%;opacity:.76;transform-origin:60% 80%}.hero-portrait img{object-position:43% center;mask-image:linear-gradient(90deg,transparent,#000 23%)}.portrait-shade{background:linear-gradient(0deg,var(--paper),transparent 15%),linear-gradient(90deg,#f5f7fb65,transparent 45%)}.giant-ai{font-size:370px;right:-33%;top:26%;opacity:.65}.hero-actions{gap:16px;flex-wrap:wrap;max-width:300px}.quiet-link{font-size:11px}.scene-business{padding-top:190px}.scene-business h2{font-size:39px;letter-spacing:-2px}.scene-description{font-size:13px}.business-topics{gap:6px;flex-wrap:wrap}.business-topics a{font-size:11px;padding:8px 12px}.scene-business .quiet-link{margin-top:10px}.scene-live{display:grid;grid-template-columns:1fr .8fr;gap:10px;padding-top:150px;padding-bottom:115px;align-items:center}.live-copy h2{font-size:40px;letter-spacing:-2px}.live-copy .scene-kicker{font-size:10px;letter-spacing:0;max-width:170px}.live-copy .scene-description{font-size:11px}.live-copy .solid-button{font-size:10px;padding:11px 10px;gap:7px}.live-copy .solid-button span{font-size:16px}.source-link{font-size:10px}.reel-frame{height:43svh;min-height:285px;border-width:4px;border-radius:12px;transform:perspective(1000px) rotateY(-7deg) rotateZ(2deg)}.reel-controls{font-size:9px;gap:4px}.reel-edge{border-radius:7px}.cinema-bottom{bottom:24px;left:5%;right:5%;flex-wrap:wrap;justify-content:center;gap:12px}.chapters{order:1;gap:0;width:max-content;padding:6px 7px 11px}.chapters button{font-size:10px;padding:7px 12px}.scroll-hint{order:2;font-size:10px}.scroll-mouse{width:13px;height:22px}.scroll-mouse:before{left:5px;top:5px}.scroll-hint span:last-child{display:block}.skip-scene{order:3;font-size:10px}.transition-band{min-height:310px;padding:65px 7%;align-items:flex-start;flex-direction:column;gap:28px}.transition-band p{font-size:37px}.transition-band span{align-self:flex-start;font-size:12px}.section-wrap{width:86%}.story{padding:80px 0;grid-template-columns:1fr;gap:55px}.story-image{width:78%;margin-left:8%}.story-image img{max-height:520px}.story h2,.contact h2{font-size:38px}.story-copy>p:not(.section-label){font-size:14px}.contact{padding:75px 0;grid-template-columns:1fr;gap:32px}.contact-console{padding:20px 17px}.contact-tabs button{font-size:10px;padding:8px 2px}#contact-panel h3{font-size:16px}footer{padding:40px 7%;align-items:flex-start;flex-direction:column;gap:14px}footer p{margin:0}}
@media(max-width:360px){.scene h1{font-size:86px}.hero-line{font-size:23px;max-width:260px}.hero-actions{gap:12px}.hero-actions .solid-button{font-size:11px;padding:11px 12px;gap:11px}.hero-portrait{right:-45%;width:95%}.scene-business h2{font-size:34px}.scene-live{grid-template-columns:1fr .7fr;gap:6px}.live-copy h2{font-size:34px}.scene-description{font-size:12px}.live-copy .scene-description{font-size:10px}.reel-frame{min-height:260px;height:39svh}.scene-kicker{font-size:11px}.cinema-bottom{bottom:20px}.scroll-hint span:last-child{font-size:9px}.chapters button{padding:6px 12px}.story h2,.contact h2{font-size:34px}.contact-console{padding-inline:12px}}
body.simple .cinema{height:auto}body.simple .cinema-stage{position:relative;height:auto;min-height:0;overflow:visible}body.simple .stage-wash,body.simple #orbit,body.simple .stage-grid,body.simple .giant-ai,body.simple .hero-portrait{display:none}body.simple .scene{position:relative;inset:auto;width:100%;opacity:1!important;transform:none!important;pointer-events:auto;min-height:90svh;padding:150px 7% 75px}body.simple .scene-intro{background:linear-gradient(90deg,#f5f7fb 20%,#f5f7fb55),url('assets/portraits/longge-standing-cutout.png') right 20%/auto 100% no-repeat}body.simple .scene-business{background:#e7edf8}body.simple .scene-live{background:#f5f7fb;display:grid}body.simple .cinema-bottom{display:none}body.simple .reel-frame{transform:none}body.simple button:active{transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reel-frame{transform:none}.story summary span{transition:none}}

#ai-demo{width:min(1280px,86%)}

@media(max-height:650px){.cinema-stage{min-height:0}}
@media(max-width:800px) and (max-height:650px){.scene{padding-top:135px;padding-bottom:88px}.scene h1{font-size:72px}.personal-label{font-size:14px;margin-bottom:14px}.hero-line{font-size:22px;line-height:1.45;margin-bottom:16px}.scene-business{padding-top:155px}.scene-business h2{font-size:33px}.scene-description{margin-bottom:17px}.scene-live{padding-top:135px;padding-bottom:84px}.live-copy h2{font-size:33px}.reel-frame{min-height:215px;height:42svh}.cinema-bottom{bottom:14px}.live-copy .solid-button{padding:9px 8px}.hero-actions .solid-button{min-height:45px;padding:11px 13px}}

.orb-core{position:absolute;left:70%;top:48%;width:min(31vw,390px);aspect-ratio:1;border-radius:50%;z-index:-3;opacity:0;transform:translate(-50%,-50%);background:radial-gradient(circle at 31% 24%,#fff 0%,#edf5ff 13%,#b7c9ea 34%,#9bace0 47%,#7885ba 61%,#dceaff 78%,#8facdb 94%);box-shadow:inset -20px -15px 45px #6279b47a,inset 5px 5px 20px #ffffffda,0 0 60px #afcce880,0 45px 70px -32px #2a45854a;will-change:transform,opacity}body.simple .orb-core{display:none}@media(max-width:800px){.orb-core{left:77%;width:65vw;top:48%}}

.cinema-bottom{z-index:10}
@media(max-width:800px){.hero-portrait{width:85%;height:auto;aspect-ratio:1086/1448;right:-12%;bottom:-3%}.hero-portrait img{object-fit:contain;object-position:center}.live-copy h2{font-size:34px}}
@media(max-width:360px){.hero-portrait{width:85%;right:-12%}.live-copy h2{font-size:28px}}

/* V3 首屏作品入口 */
.hero-evidence{font-size:12px;letter-spacing:2px;color:#5c718e;margin:-10px 0 22px}.scene-intro .personal-label{margin-bottom:21px}.scene-intro .hero-line{margin-bottom:20px}.site-header nav{gap:25px}
@media(max-width:800px){.hero-evidence{font-size:10px;letter-spacing:1px;margin:-6px 0 18px}.scene-intro .personal-label{margin-bottom:19px}.scene-intro .hero-line{font-size:27px;margin-bottom:17px}.site-header nav{gap:22px}.hero-actions .solid-button{min-height:46px}}
@media(max-width:800px) and (max-height:650px){.scene-intro .personal-label{margin-bottom:13px}.scene-intro .hero-line{font-size:24px;margin-bottom:15px}.hero-evidence{margin-bottom:14px}.hero-actions{gap:12px}.scene-business h2{font-size:30px}}
@media(max-width:360px){.site-header nav{gap:16px}}