:root{--bg:#03060b;--panel:#09111c;--ink:#f6f9ff;--muted:#8f9bad;--line:rgba(255,255,255,.13);--blue:#168BFF;--cyan:#67D0FF;--max:1540px;--mx:50vw;--my:20vh}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;overflow-x:hidden}body:before{content:"";position:fixed;z-index:-1;width:520px;height:520px;left:calc(var(--mx) - 260px);top:calc(var(--my) - 260px);border-radius:50%;background:radial-gradient(circle,rgba(22,139,255,.07),transparent 68%);pointer-events:none}a{color:inherit;text-decoration:none}img{display:block;width:100%}button{font:inherit;color:inherit}::selection{background:var(--blue);color:#fff}.gradient-text{background:linear-gradient(100deg,#fff 0%,#a9e5ff 28%,#2a9cff 64%,#6577ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.scroll-progress{position:fixed;left:0;top:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--blue),#6d78ff);width:0;z-index:100}.container{width:min(var(--max),calc(100% - max(44px,6vw)));margin:auto}.eyebrow{font-size:9px;letter-spacing:.19em;text-transform:uppercase;color:#64c7ff;font-weight:650}nav{position:sticky;top:0;z-index:40;display:flex;justify-content:space-between;align-items:center;padding:17px max(22px,3vw);border-bottom:1px solid var(--line);background:rgba(3,6,11,.78);backdrop-filter:blur(18px)}nav .brand{display:flex;gap:12px;align-items:center;font-size:22px;font-weight:820;letter-spacing:-.05em}nav .brand small{font-size:8px;letter-spacing:.22em;color:#8fa1b8;font-weight:560}nav>div{display:flex;gap:26px;font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#aab5c4}.hero-title-only{position:relative;min-height:calc(100svh - 58px);display:flex;align-items:flex-end;overflow:hidden;padding:6vh max(22px,3vw) 8vh}.hero-bg{position:absolute;inset:0}.hero-bg img{height:100%;object-fit:cover;object-position:center;transform:translateY(var(--hero-shift,0px)) scale(1.025)}.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.03),rgba(0,0,0,.14) 48%,rgba(0,0,0,.86) 100%),linear-gradient(90deg,rgba(0,0,0,.63),transparent 62%)}.hero-title{position:relative;z-index:2;width:min(1440px,100%);margin:auto}.hero-title .eyebrow{margin-bottom:18px;color:#ccecff}.hero-title h1{font-size:clamp(56px,7.7vw,132px);line-height:.86;letter-spacing:-.065em;margin:0;max-width:1100px}.hero-title h1 em{font-style:normal;font-weight:360}.cn-role{display:block;margin-top:22px;font-size:clamp(13px,1.25vw,20px);font-weight:300;letter-spacing:.06em;color:#c7d5e7}.scroll-hint{position:absolute;right:0;bottom:4px;font-size:9px;letter-spacing:.16em;color:#92a3b7;text-transform:uppercase}.profile-section{padding:105px max(22px,3vw) 130px;max-width:var(--max);margin:auto;display:grid;grid-template-columns:minmax(340px,.78fr) 1.4fr;gap:clamp(46px,7vw,112px);align-items:start}.profile-photo{position:sticky;top:96px;overflow:hidden;background:#07101b;border:1px solid var(--line)}.profile-photo img{aspect-ratio:2/3;object-fit:cover;object-position:center}.profile-copy h2{font-size:clamp(38px,4.8vw,74px);line-height:1;letter-spacing:-.045em;margin:14px 0 26px;font-weight:560}.profile-copy>.lead-en{font-size:clamp(20px,2vw,29px);line-height:1.45;color:#e4ebf5;margin:0 0 18px}.profile-copy>.lead-cn{font-size:16px;line-height:1.85;color:#aeb9c8;max-width:930px;margin:0 0 44px}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:40px 0}.profile-stats div{padding:22px 20px 24px 0;border-right:1px solid var(--line)}.profile-stats div+div{padding-left:20px}.profile-stats div:last-child{border-right:0}.profile-stats strong{display:block;font-size:clamp(28px,3.2vw,48px);letter-spacing:-.045em;color:#7fcfff}.profile-stats span{display:block;margin-top:7px;font-size:11px;line-height:1.5;color:#8fa0b3}.advantage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.advantage{min-height:235px;padding:24px;border:1px solid var(--line);background:linear-gradient(150deg,rgba(18,35,57,.7),rgba(6,10,17,.95));transition:.35s}.advantage:hover{transform:translateY(-5px);border-color:rgba(80,180,255,.55);box-shadow:0 24px 70px rgba(0,86,180,.14)}.advantage b{font-size:9px;letter-spacing:.13em;color:#56bdff}.advantage h3{font-size:20px;margin:34px 0 11px;font-weight:560}.advantage p{margin:0;color:#97a6b8;line-height:1.72;font-size:12.5px}.brand-ribbon{margin-top:36px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.08em;color:#c6d5e6;line-height:2}.projects-intro{padding:110px max(22px,3vw) 55px;max-width:var(--max);margin:auto;border-top:1px solid var(--line)}.projects-intro h2{font-size:clamp(50px,7.3vw,116px);line-height:.9;letter-spacing:-.06em;margin:16px 0 26px}.projects-intro p{max-width:800px;color:#aeb9c8;font-size:16px;line-height:1.8}.project-showcase{max-width:var(--max);margin:auto;padding:94px max(22px,3vw) 132px;border-top:1px solid var(--line)}.showcase-head{display:grid;grid-template-columns:100px 1fr;gap:28px;margin-bottom:50px}.showcase-index{font-size:11px;color:var(--accent);padding-top:6px}.showcase-head h2{font-size:clamp(46px,6.4vw,96px);letter-spacing:-.055em;line-height:.92;margin:11px 0 22px}.showcase-head h2 span{font-size:.4em;letter-spacing:-.02em;color:#adc1d7;font-weight:450}.showcase-head p{font-size:17px;line-height:1.75;max-width:900px;margin:0 0 6px}.showcase-head small{display:block;color:#8091a6;line-height:1.6;max-width:860px;font-size:12px}.showcase-head a{display:inline-block;margin-top:22px;color:#7fcfff;border-bottom:1px solid rgba(127,207,255,.5);padding-bottom:5px;font-size:12px}.showcase-stack{display:flex;flex-direction:column;gap:16px}.showcase-image{margin:0;overflow:hidden;background:#08101a;border:1px solid rgba(255,255,255,.08)}.showcase-image img{height:auto;min-height:430px;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.1,1)}.showcase-image:hover img{transform:scale(1.012)}.module{max-width:calc(var(--max) - 6vw);margin:68px auto;padding:76px max(22px,4vw);border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,#07101b,#03060b)}.module h2{font-size:clamp(42px,5.9vw,88px);line-height:.95;letter-spacing:-.05em;margin:16px 0 20px}.lede{max-width:820px;color:#aeb9c7;font-size:16px;line-height:1.7}.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0}.pill-row span{border:1px solid rgba(255,255,255,.2);padding:8px 11px;font-size:9px;letter-spacing:.07em}.os-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);margin-top:30px}.os-grid article{padding:24px 16px 30px;border-right:1px solid var(--line)}.os-grid article:last-child{border-right:0}.os-grid b{color:#5ac5ff;font-size:9px}.os-grid h3{font-size:15px;margin:34px 0 9px}.os-grid p{color:#8999ab;font-size:11.5px;line-height:1.6}.flow{margin-top:32px;border:1px solid rgba(255,255,255,.15);padding:15px;font-size:11px;line-height:1.8;letter-spacing:.04em}.aigc-visual{margin-top:36px}.aigc-visual img{max-height:720px;object-fit:cover}.page-hero{padding:94px max(22px,3vw) 68px;max-width:var(--max);margin:auto}.page-hero h1{font-size:clamp(62px,9vw,138px);letter-spacing:-.065em;line-height:.9;margin:14px 0 24px}.page-hero p{max-width:840px;color:#aab7c7;font-size:16px;line-height:1.75}.work-list,.case-story{max-width:var(--max);margin:auto;padding:0 max(22px,3vw) 100px}.work-row{display:grid;grid-template-columns:76px .75fr 1fr;gap:28px;padding:28px 0;border-top:1px solid var(--line);align-items:start}.work-row span{color:#64c7ff}.work-row h2{font-size:clamp(26px,3.7vw,52px);margin:0;letter-spacing:-.04em}.work-row p{margin:0;color:#8fa0b3;line-height:1.65}.case-hero{position:relative;min-height:78vh;display:flex;align-items:flex-end;overflow:hidden;background:#080e16}.case-hero>img{position:absolute;inset:0;height:100%;object-fit:cover}.case-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.86))}.case-inner{position:relative;z-index:2;width:100%;padding:7vh max(22px,3vw)}.case-inner h1{font-size:clamp(68px,10.5vw,168px);letter-spacing:-.07em;line-height:.84;margin:10px 0}.case-inner p{max-width:900px;font-size:16px;line-height:1.6}.story-row{display:grid;grid-template-columns:170px 1fr;gap:32px;padding:54px 0;border-top:1px solid var(--line)}.story-row>span{font-size:9px;color:#64c7ff;letter-spacing:.12em}.story-row h2{font-size:clamp(34px,4.5vw,66px);letter-spacing:-.04em;margin:0 0 16px}.story-row p{font-size:16px;color:#a8b5c4;line-height:1.8;margin:0;white-space:pre-line}.case-gallery{max-width:var(--max);margin:auto;padding:30px max(22px,3vw) 90px}.case-gallery figure{margin:0 0 16px;border:1px solid var(--line);overflow:hidden}.guideline-section{max-width:var(--max);margin:70px auto 110px;padding:0 max(22px,3vw)}.guideline-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.guideline-head h2{font-size:clamp(34px,4.7vw,70px);letter-spacing:-.045em;margin:10px 0}.guideline-head p{color:#93a3b6;font-size:13px;line-height:1.7;max-width:760px}.slider-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.slider-actions button{width:44px;height:44px;border:1px solid var(--line);background:#08101a;cursor:pointer}.slider-counter{min-width:76px;text-align:center;font-size:10px;color:#91a3b7}.guideline-track{display:grid;grid-auto-flow:column;grid-auto-columns:min(82vw,1120px);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px;scrollbar-color:#168BFF #0a111a}.guideline-slide{scroll-snap-align:start;margin:0;background:#fff;border:1px solid rgba(255,255,255,.12)}.guideline-slide button{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}.guideline-slide img{width:100%;height:auto}.guideline-slide figcaption{background:#060b12;color:#8293a6;font-size:9px;letter-spacing:.14em;padding:10px 12px}.lightbox{position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.94);display:none;place-items:center;padding:24px}.lightbox.open{display:grid}.lightbox img{max-width:96vw;max-height:94vh;width:auto;height:auto}.lightbox-close{position:fixed;right:24px;top:20px;width:44px;height:44px;background:#0b111a;border:1px solid rgba(255,255,255,.25);cursor:pointer}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px}.timeline{margin-top:60px}.timeline div{display:grid;grid-template-columns:150px 1fr;padding:17px 0;border-top:1px solid var(--line)}.resume-box{max-width:900px;margin:0 auto 120px;padding:0 max(22px,3vw)}.resume-box a,.contact-link{display:inline-block;border-bottom:1px solid #5ac5ff;padding:12px 0;font-size:20px}.contact-big{font-size:clamp(54px,9.7vw,145px);letter-spacing:-.065em;line-height:.87;margin:32px 0}footer{display:flex;justify-content:space-between;gap:30px;padding:44px max(22px,3vw);border-top:1px solid var(--line)}footer div{display:flex;flex-direction:column;gap:7px}footer span{color:#8290a2;font-size:11px}.reveal{opacity:0;transform:translateY(24px);transition:.72s cubic-bezier(.2,.7,.1,1)}.reveal.visible{opacity:1;transform:none}.js .reveal{will-change:transform,opacity}@media(max-width:900px){.profile-section{grid-template-columns:1fr}.profile-photo{position:relative;top:auto;max-width:560px}.showcase-head{grid-template-columns:58px 1fr}.os-grid{grid-template-columns:repeat(2,1fr)}.story-row{grid-template-columns:1fr}.work-row{grid-template-columns:1fr}.guideline-track{grid-auto-columns:90vw}}@media(max-width:620px){nav .brand small{display:none}nav>div{gap:10px;font-size:8px}nav>div a:nth-child(3){display:none}.hero-title-only{min-height:84vh;padding-bottom:34px}.hero-title h1{font-size:14vw}.cn-role{font-size:12px;font-weight:300}.scroll-hint{display:none}.profile-section{padding-top:60px;padding-bottom:76px}.profile-copy h2{font-size:11vw}.profile-copy>.lead-cn{font-size:14px}.profile-stats{grid-template-columns:1fr}.profile-stats div,.profile-stats div+div{padding:16px 0;border-right:0;border-bottom:1px solid var(--line)}.advantage-grid{grid-template-columns:1fr}.project-showcase{padding-top:68px;padding-bottom:88px}.showcase-head{grid-template-columns:1fr}.showcase-head h2{font-size:13vw}.showcase-image img{min-height:0}.module{margin:24px 12px;padding:50px 18px}.os-grid{grid-template-columns:1fr}.os-grid article{border-right:0;border-bottom:1px solid var(--line)}.case-hero{min-height:68vh}.case-inner h1{font-size:15vw}.story-row{padding:34px 0}.guideline-head{display:block}.slider-actions{margin-top:16px}.guideline-track{grid-auto-columns:93vw}footer{flex-direction:column}}

/* ===== V5 refinement ===== */
.v5-hero{min-height:100svh;background:#02050a}.v5-hero .hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,5,10,.82) 0%,rgba(2,5,10,.38) 46%,rgba(2,5,10,.08) 72%),linear-gradient(180deg,rgba(2,5,10,.04),rgba(2,5,10,.5))}.v5-hero .hero-bg img{filter:saturate(1.08) contrast(1.02);transform:translate3d(0,var(--hero-shift,0),0) scale(1.035)}.hero-overlay{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 18% 76%,rgba(0,128,255,.14),transparent 28%)}
.v5-hero .hero-title{max-width:1150px}.v5-hero .hero-title h1{font-size:clamp(62px,8.6vw,136px);font-weight:560;letter-spacing:-.062em;line-height:.84}.v5-hero .hero-title h1 em{font-weight:300}.v5-hero .cn-role{font-size:clamp(12px,1.15vw,17px);font-weight:280;letter-spacing:.12em;color:rgba(255,255,255,.74)}
.profile-copy{min-width:0}.lead-en{font-size:clamp(22px,2.35vw,36px);line-height:1.24;color:#f6f9ff;letter-spacing:-.025em}.profile-copy>.lead-cn{font-size:15px;line-height:1.92;color:#a8b5c8}
.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:34px}.capability-card{position:relative;min-height:255px;padding:28px 28px 26px;overflow:hidden;border:1px solid rgba(123,183,255,.22);border-radius:28px;background:linear-gradient(180deg,rgba(15,31,55,.72),rgba(4,13,28,.92));box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 70px rgba(0,25,80,.12);backdrop-filter:blur(18px);transform-style:preserve-3d;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}.capability-card:hover{border-color:rgba(84,177,255,.6);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 26px 80px rgba(0,93,255,.22)}.capability-card b{position:relative;z-index:3;font-size:9px;letter-spacing:.18em;color:#58c9ff}.capability-card h3{position:relative;z-index:3;margin:78px 0 12px;font-size:clamp(19px,2vw,30px);letter-spacing:-.025em}.capability-card p{position:relative;z-index:3;margin:0;color:#a9b7ca;line-height:1.8;font-size:13.5px}.capability-orb{position:absolute;right:-34px;top:-48px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at 34% 35%,rgba(134,211,255,.95) 0 2%,rgba(22,111,255,.46) 10%,rgba(15,80,215,.18) 34%,transparent 68%);filter:blur(2px);opacity:.9}.capability-card:after{content:"";position:absolute;left:8%;right:8%;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,#3cbfff 30%,#7dd3ff 50%,#1f6fff 70%,transparent);box-shadow:0 -12px 35px rgba(42,151,255,.42)}.capability-scan{position:absolute;inset:-40% auto -40% -35%;width:24%;transform:rotate(12deg);background:linear-gradient(90deg,transparent,rgba(119,200,255,.08),transparent);transition:left .65s ease}.capability-card:hover .capability-scan{left:120%}
.projects-intro{padding-top:118px}.project-showcase{position:relative}.showcase-head{position:sticky;top:76px;z-index:4;background:linear-gradient(180deg,rgba(3,7,12,.97) 0%,rgba(3,7,12,.88) 74%,rgba(3,7,12,0) 100%);backdrop-filter:blur(7px);padding-top:34px;padding-bottom:50px}.showcase-stack{gap:22px}.showcase-image{border-radius:4px}.image-open{display:block;width:100%;border:0;padding:0;background:none;cursor:zoom-in}.showcase-image img,.case-gallery img{width:100%;height:auto;min-height:0;object-fit:contain;background:#02060c}.magnetic-link{display:inline-block;margin-top:18px;color:#bfe8ff;border:1px solid rgba(87,181,255,.34);border-radius:999px;padding:11px 18px;transition:transform .2s ease,border-color .2s ease,background .2s ease}.magnetic-link:hover{background:rgba(36,139,255,.12);border-color:rgba(87,181,255,.75)}
.capability-systems{max-width:var(--max);margin:140px auto 44px;padding:0 max(22px,3vw)}.capability-systems h2{font-size:clamp(50px,7.5vw,118px);line-height:.9;letter-spacing:-.058em;margin:14px 0 0}.capability-feature{max-width:var(--max);margin:0 auto 90px;padding:70px max(22px,3vw);position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}.feature-copy{max-width:980px;position:relative;z-index:3}.feature-copy h2,.leadership-copy h2{font-size:clamp(44px,6.7vw,100px);letter-spacing:-.055em;line-height:.92;margin:14px 0 14px}.feature-copy h3,.leadership-copy h3{font-size:clamp(20px,2.5vw,36px);font-weight:420;margin:0 0 24px;color:#dceeff}.feature-copy p,.leadership-copy p{max-width:860px;color:#a9b6c7;line-height:1.85;font-size:15px}.feature-flow{margin:28px 0;border:1px solid rgba(99,191,255,.26);border-radius:999px;padding:14px 18px;color:#72cfff;font-size:12px;letter-spacing:.04em;width:max-content;max-width:100%}.capability-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:42px}.capability-gallery-item{margin:0;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:#050b13}.capability-gallery-item:first-child{grid-column:1/-1}.capability-gallery-item img{width:100%;height:auto;transition:transform .7s cubic-bezier(.2,.7,.1,1)}
.leadership-feature{min-height:980px;display:flex;align-items:center}.leadership-bg{position:absolute;inset:0}.leadership-bg img{width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(1.1) contrast(1.06)}.leadership-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,6,12,.96) 0%,rgba(2,6,12,.82) 52%,rgba(2,6,12,.32) 78%,rgba(2,6,12,.18)),linear-gradient(180deg,rgba(1,5,12,.18),rgba(1,5,12,.7))}.leadership-copy{position:relative;z-index:2;max-width:930px}.leadership-points{margin-top:28px}.leadership-points p{border-top:1px solid rgba(255,255,255,.13);padding:16px 0;margin:0}.leadership-points b{color:#fff}
.contact-strip{max-width:var(--max);margin:0 auto;padding:90px max(22px,3vw) 110px;display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:end}.contact-strip h2{font-size:clamp(46px,6.6vw,100px);line-height:.92;letter-spacing:-.055em;margin:14px 0}.contact-strip-links{display:flex;flex-direction:column;gap:14px}.contact-strip-links a{padding:18px 0;border-top:1px solid rgba(255,255,255,.15);font-size:20px}.contact-strip-links small{color:#7f91a7;font-size:10px}.footer-contact{display:flex!important;flex-direction:column;align-items:flex-end}.footer-contact a{font-size:11px;color:#9db0c6}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-method{border:1px solid var(--line);padding:30px;background:linear-gradient(145deg,#081321,#03070c)}.contact-method span{display:block;color:#5ac5ff;font-size:9px;letter-spacing:.16em;margin-bottom:22px}.contact-method .contact-link{font-size:clamp(18px,2vw,28px)}
.case-gallery figure{border-radius:4px}.case-gallery .image-open{display:block}.case-gallery img{display:block}.work-row[data-tilt]{transition:transform .22s ease,background .22s ease}.work-row[data-tilt]:hover{background:linear-gradient(90deg,rgba(0,128,255,.055),transparent)}
@media(max-width:900px){.capability-grid{grid-template-columns:1fr}.capability-card{min-height:220px}.capability-gallery{grid-template-columns:1fr}.capability-gallery-item:first-child{grid-column:auto}.leadership-feature{min-height:850px}.contact-strip{grid-template-columns:1fr}.showcase-head{position:relative;top:auto;background:none;backdrop-filter:none}.contact-panel{grid-template-columns:1fr}}
@media(max-width:620px){.v5-hero .hero-title h1{font-size:13.2vw}.v5-hero .cn-role{font-size:10px}.capability-card{padding:24px 22px}.capability-card h3{margin-top:65px}.feature-flow{border-radius:16px;width:auto;line-height:1.75}.leadership-feature{min-height:920px;padding-top:78px;align-items:flex-start}.leadership-overlay{background:linear-gradient(180deg,rgba(2,6,12,.74),rgba(2,6,12,.97) 62%)}.contact-strip{padding-top:65px}.footer-contact{align-items:flex-start}}

/* V5.1 targeted refinements */
.hero-title-v51{margin-left:0;margin-right:auto;transform:translateX(-.5vw)}
.hero-title-v51 .cn-role{margin-top:30px}
.case-cta-pulse{position:relative;isolation:isolate;animation:casePulse 2.2s ease-in-out infinite;box-shadow:0 0 0 rgba(86,184,255,0)}
.case-cta-pulse:after{content:"";position:absolute;inset:-7px;border-radius:999px;border:1px solid rgba(104,202,255,.35);opacity:0;animation:caseRing 2.2s ease-out infinite;pointer-events:none}
@keyframes casePulse{0%,100%{transform:scale(1);box-shadow:0 0 0 rgba(86,184,255,0)}50%{transform:scale(1.035);box-shadow:0 0 34px rgba(61,164,255,.27)}}
@keyframes caseRing{0%{transform:scale(.98);opacity:0}35%{opacity:.7}100%{transform:scale(1.12);opacity:0}}
.uperfect-ratio-safe .image-open{overflow:hidden;background:#02060c}
.uperfect-ratio-safe img{display:block;width:100%;height:auto!important;max-width:100%;object-fit:contain!important;object-position:center!important;transform-origin:center center}
.leadership-bilingual-title{display:flex;flex-direction:column;gap:10px;margin-bottom:18px!important}
.leadership-en-title{display:block;font-size:.34em;line-height:1.12;letter-spacing:.025em;text-transform:uppercase;color:#79cfff;font-weight:520}
.leadership-cn-title{display:block}
.leadership-intro{font-size:clamp(17px,1.45vw,22px)!important;line-height:1.9!important;max-width:1040px!important;color:#c3cfde!important}
@media(prefers-reduced-motion:reduce){.case-cta-pulse,.case-cta-pulse:after{animation:none!important}}
@media(max-width:620px){.hero-title-v51{transform:none}.hero-title-v51 .cn-role{margin-top:22px}.leadership-en-title{font-size:.42em}}

/* V5.2 refinements */
.v5-hero .hero-title h1{font-size:clamp(68px,9.15vw,146px)}
.v5-hero .cn-role{font-size:clamp(13px,1.25vw,19px)}
.leadership-copy{max-width:1460px;width:100%}
.leadership-bilingual-title{display:flex;flex-direction:column;gap:12px;margin-bottom:22px!important}
.leadership-en-title{white-space:nowrap;display:block;font-size:clamp(24px,2.65vw,44px);line-height:1.04;letter-spacing:.015em;text-transform:uppercase;color:#79cfff;font-weight:520}
.leadership-cn-title{white-space:nowrap;display:block;font-size:clamp(54px,6.25vw,96px);line-height:.98;letter-spacing:-.055em}
.leadership-intro{font-size:clamp(18px,1.55vw,24px)!important;max-width:1120px!important}
.leadership-points{max-width:1120px}
.leadership-points p{font-size:clamp(16px,1.25vw,20px)!important;line-height:1.72!important;padding:20px 0!important}
.uperfect-ratio-safe figure:has(img[src*="v5_3/projects/uperfect/6.jpg"]){background:#05070b;text-align:center}
.uperfect-ratio-safe img[src*="v5_3/projects/uperfect/6.jpg"]{width:min(100%,1540px);height:auto;object-fit:contain;margin:0 auto}
@media(max-width:900px){.leadership-en-title{font-size:clamp(17px,4vw,30px)}.leadership-cn-title{font-size:clamp(36px,8vw,64px)}.leadership-points p{font-size:16px!important}}
@media(max-width:620px){.v5-hero .hero-title h1{font-size:14.2vw}.v5-hero .cn-role{font-size:11px}.leadership-en-title{font-size:4.5vw;letter-spacing:.005em}.leadership-cn-title{font-size:8.2vw;letter-spacing:-.045em}}

/* V5.4 — UPERFECT reference image 6 must keep its native aspect ratio. */
.uperfect-long-natural{margin:0 0 16px;overflow:visible!important;background:#05070b!important;border:1px solid var(--line)}
.uperfect-long-natural .image-open{display:block;width:100%;overflow:visible!important;background:#05070b}
.uperfect-long-natural img{width:100%;height:auto!important;min-height:0!important;max-height:none!important;object-fit:contain!important;object-position:center!important;display:block;transform:none!important;margin:0 auto}
.uperfect-long-natural:hover img{transform:none!important}


/* V5.5 — isolated native-ratio UPERFECT long-image component. */
.uperfect-long-original{
  width:min(var(--max),calc(100% - max(44px,6vw)));
  height:auto!important;
  min-height:0!important;
  max-height:none!important;
  aspect-ratio:auto!important;
  margin:0 auto 90px;
  padding:0;
  overflow:visible!important;
  display:block;
  line-height:0;
  position:relative;
  contain:none!important;
  transform:none!important;
  background:#05070b;
  border:1px solid var(--line);
}
.uperfect-long-original>img{
  display:block!important;
  width:100%!important;
  height:auto!important;
  min-height:0!important;
  max-height:none!important;
  max-width:100%!important;
  aspect-ratio:auto!important;
  object-fit:contain!important;
  object-position:center top!important;
  position:static!important;
  transform:none!important;
  scale:none!important;
  margin:0!important;
  padding:0!important;
}
.uperfect-long-original:hover>img{transform:none!important;scale:none!important}

/* V5.6 — sliced UPERFECT long visual. Four native-ratio images, zero-gap stack. */
.uperfect-long-slices{
  width:min(var(--max),calc(100% - max(44px,6vw)));
  height:auto!important;
  min-height:0!important;
  max-height:none!important;
  aspect-ratio:auto!important;
  margin:0 auto 90px;
  padding:0!important;
  display:flex!important;
  flex-direction:column!important;
  gap:0!important;
  overflow:visible!important;
  position:relative!important;
  contain:none!important;
  transform:none!important;
  background:#05070b;
  border:1px solid var(--line);
}
.uperfect-long-slices>img{
  display:block!important;
  width:100%!important;
  height:auto!important;
  min-height:0!important;
  max-height:none!important;
  max-width:100%!important;
  object-fit:contain!important;
  object-position:center top!important;
  aspect-ratio:auto!important;
  position:static!important;
  transform:none!important;
  scale:none!important;
  flex:none!important;
  margin:0!important;
  padding:0!important;
  border:0!important;
}
.uperfect-long-slices>img:hover{transform:none!important;scale:none!important}

/* V5.7 — final responsive adaptation */
@media(max-width:1200px){
  :root{--max:1180px}
  .container,.profile-section,.projects-intro,.project-showcase,.page-hero,.work-list,.case-story,.guideline-section,.contact-strip{width:100%}
  nav{padding-left:24px;padding-right:24px}
  nav>div{gap:20px}
  .profile-section{grid-template-columns:minmax(280px,.78fr) 1.22fr;gap:48px;padding-left:32px;padding-right:32px}
  .project-showcase{padding-left:32px;padding-right:32px}
  .case-gallery{padding-left:32px;padding-right:32px}
  .showcase-head{grid-template-columns:76px 1fr}
  .leadership-feature{min-height:880px}
  .leadership-copy{max-width:100%}
  .leadership-en-title{font-size:clamp(22px,2.8vw,38px)}
  .leadership-cn-title{font-size:clamp(48px,6vw,82px)}
}

@media(max-width:900px){
  nav{padding:14px 18px;gap:14px}
  nav .brand{flex:0 0 auto;font-size:20px}
  nav>div{max-width:calc(100vw - 88px);overflow-x:auto;white-space:nowrap;gap:16px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  nav>div::-webkit-scrollbar{display:none}
  nav>div a{display:inline-flex;align-items:center;min-height:44px}
  .hero-title-only{min-height:92svh;padding:5vh 24px 7vh}
  .hero-title{width:100%}
  .hero-title-v51{transform:none}
  .v5-hero .hero-title h1{font-size:clamp(58px,11vw,92px);line-height:.88;max-width:820px}
  .v5-hero .cn-role{font-size:14px;line-height:1.7;margin-top:24px}
  .profile-section{grid-template-columns:1fr;gap:38px;padding:72px 24px 90px}
  .profile-photo{position:relative;top:auto;max-width:min(70vw,520px)}
  .profile-copy>.lead-cn{font-size:15px}
  .profile-stats{grid-template-columns:repeat(3,1fr)}
  .capability-grid{grid-template-columns:1fr 1fr}
  .capability-card{min-height:230px}
  .projects-intro{padding:84px 24px 42px}
  .project-showcase{padding:68px 24px 96px}
  .showcase-head{grid-template-columns:1fr;gap:10px;margin-bottom:34px;padding-top:0;padding-bottom:24px}
  .showcase-head h2{font-size:clamp(48px,10vw,82px)}
  .showcase-head p{font-size:16px}
  .showcase-image img{min-height:0}
  .capability-systems{margin-top:100px;padding:0 24px}
  .capability-feature{padding:60px 24px;margin-bottom:68px}
  .capability-gallery{grid-template-columns:1fr}
  .capability-gallery-item:first-child{grid-column:auto}
  .leadership-feature{min-height:760px;padding-top:64px;padding-bottom:64px;align-items:flex-start}
  .leadership-overlay{background:linear-gradient(90deg,rgba(2,6,12,.95),rgba(2,6,12,.72) 70%,rgba(2,6,12,.32)),linear-gradient(180deg,rgba(2,6,12,.3),rgba(2,6,12,.8))}
  .leadership-en-title{font-size:clamp(16px,3.3vw,28px)}
  .leadership-cn-title{font-size:clamp(38px,7.5vw,62px)}
  .leadership-intro{font-size:17px!important}
  .leadership-points p{font-size:16px!important}
  .contact-strip{grid-template-columns:1fr;padding:72px 24px 84px}
  .page-hero{padding:74px 24px 52px}
  .page-hero h1{font-size:clamp(54px,12vw,98px)}
  .case-inner{padding:6vh 24px}
  .case-inner h1{font-size:clamp(62px,14vw,112px)}
  .case-story,.work-list{padding-left:24px;padding-right:24px}
  .story-row{grid-template-columns:1fr;gap:14px}
  .case-gallery,.guideline-section{padding-left:24px;padding-right:24px}
  .guideline-track{grid-auto-columns:min(88vw,880px)}
  .uperfect-long-slices{width:calc(100% - 48px)}
  footer{padding:36px 24px}
}

@media(max-width:620px){
  body:before{display:none}
  nav{padding:10px 14px;gap:10px}
  nav .brand{font-size:18px}
  nav>div{gap:12px;max-width:calc(100vw - 64px);font-size:8px}
  nav>div a{min-height:40px}
  nav>div a:nth-child(3){display:none}
  .hero-title-only{min-height:86svh;padding:5vh 18px 32px}
  .v5-hero .hero-bg img{object-position:58% center;transform:translate3d(0,var(--hero-shift,0),0) scale(1.02)}
  .v5-hero .hero-title h1{font-size:clamp(48px,14.6vw,68px);line-height:.91;letter-spacing:-.055em}
  .hero-title .eyebrow{font-size:8px;line-height:1.55;max-width:92%;margin-bottom:14px}
  .v5-hero .cn-role{font-size:12px;letter-spacing:.07em;line-height:1.65;margin-top:20px}
  .profile-section{padding:56px 18px 72px}
  .profile-photo{max-width:100%}
  .profile-copy h2{font-size:clamp(38px,10.7vw,52px)}
  .profile-copy>.lead-en{font-size:19px}
  .profile-copy>.lead-cn{font-size:14px;line-height:1.8}
  .profile-stats{grid-template-columns:1fr;margin:30px 0}
  .profile-stats div,.profile-stats div+div{padding:15px 0;border-right:0;border-bottom:1px solid var(--line)}
  .capability-grid{grid-template-columns:1fr;gap:12px}
  .capability-card{min-height:215px;padding:22px 20px;border-radius:22px}
  .capability-card h3{margin-top:60px;font-size:22px}
  .capability-card p{font-size:13px}
  .projects-intro{padding:72px 18px 34px}
  .projects-intro h2{font-size:clamp(46px,13vw,64px)}
  .projects-intro p{font-size:14px}
  .project-showcase{padding:58px 18px 78px}
  .showcase-head h2{font-size:clamp(44px,14vw,62px)}
  .showcase-head p{font-size:15px;line-height:1.68}
  .showcase-head small{font-size:11px}
  .magnetic-link{display:inline-flex;align-items:center;min-height:46px;font-size:12px;line-height:1.3}
  .showcase-stack{gap:12px}
  .capability-systems{margin-top:82px;padding:0 18px}
  .capability-systems h2{font-size:clamp(46px,13.5vw,64px)}
  .capability-feature{padding:48px 18px;margin-bottom:52px}
  .feature-copy h2,.leadership-copy h2{font-size:clamp(40px,11vw,56px)}
  .feature-copy h3,.leadership-copy h3{font-size:21px;line-height:1.45}
  .feature-copy p,.leadership-copy p{font-size:14px;line-height:1.78}
  .feature-flow{width:100%;border-radius:16px;font-size:11px;line-height:1.8;overflow-wrap:anywhere}
  .leadership-feature{min-height:auto;padding:56px 18px 64px}
  .leadership-bg img{object-position:center center}
  .leadership-overlay{background:linear-gradient(180deg,rgba(2,6,12,.78),rgba(2,6,12,.97) 58%)}
  .leadership-bilingual-title{gap:8px!important}
  .leadership-en-title{white-space:nowrap;font-size:clamp(9px,2.6vw,12px);letter-spacing:0}
  .leadership-cn-title{white-space:nowrap;font-size:clamp(28px,7.3vw,38px);line-height:1}
  .leadership-intro{font-size:15px!important;line-height:1.8!important}
  .leadership-points p{font-size:15px!important;line-height:1.7!important;padding:16px 0!important}
  .contact-strip{padding:58px 18px 70px;gap:34px}
  .contact-strip h2{font-size:clamp(42px,12vw,58px)}
  .contact-strip-links a{font-size:16px;overflow-wrap:anywhere}
  .page-hero{padding:62px 18px 44px}
  .page-hero h1{font-size:clamp(48px,14vw,66px)}
  .work-list,.case-story{padding-left:18px;padding-right:18px;padding-bottom:72px}
  .work-row{gap:10px;padding:22px 0}
  .case-hero{min-height:62svh}
  .case-inner{padding:5vh 18px}
  .case-inner h1{font-size:clamp(52px,16vw,72px)}
  .case-inner p{font-size:14px}
  .story-row{padding:30px 0}
  .story-row h2{font-size:clamp(32px,9vw,44px)}
  .story-row p{font-size:14px;line-height:1.75}
  .case-gallery,.guideline-section{padding-left:18px;padding-right:18px}
  .guideline-section{margin-top:54px;margin-bottom:76px}
  .guideline-head{display:block}
  .guideline-head h2{font-size:clamp(34px,10vw,48px)}
  .slider-actions{margin-top:16px}
  .slider-actions button{width:46px;height:46px}
  .guideline-track{grid-auto-columns:calc(100vw - 54px);gap:10px}
  .uperfect-long-slices{width:calc(100% - 36px);margin-bottom:64px}
  .lightbox{padding:12px}
  .lightbox-close{right:12px;top:12px;width:46px;height:46px}
  footer{flex-direction:column;padding:30px 18px;gap:18px}
  .footer-contact{align-items:flex-start}
}

@media(max-width:430px){
  nav>div{font-size:7.5px;gap:9px}
  .v5-hero .hero-title h1{font-size:14.8vw}
  .profile-copy>.lead-en{font-size:18px}
  .leadership-en-title{font-size:2.45vw}
  .leadership-cn-title{font-size:7.1vw}
  .contact-strip-links a{font-size:15px}
}

@media (hover:none), (pointer:coarse){
  .advantage:hover,.capability-card:hover,.work-row[data-tilt]:hover,.showcase-image:hover img,.uperfect-long-slices>img:hover{transform:none!important;box-shadow:inherit}
  .case-cta-pulse{animation-duration:2.8s}
  .image-open,.zoomable{touch-action:manipulation}
}