:root{--red:#b4322b;--ink:#282a31;--muted:#646871;--line:#dedfe3;--soft:#f5f5f6;--white:#fff;color-scheme:light;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--white);font-size:16px;line-height:1.8}*{box-sizing:border-box}body{margin:0}h1,h2,h3,p,figure{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #a55e15;outline-offset:5px}html{scroll-behavior:smooth}img{max-width:100%;height:auto}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;background:white;padding:10px 20px;z-index:20}.skip:focus{top:10px}.top{border-top:5px solid var(--red);border-bottom:1px solid var(--line);background:#fff}.top-inner{min-height:94px;display:flex;align-items:center;gap:35px}.wordmark{font-size:1.65rem;line-height:1.35;font-weight:650;letter-spacing:2px;white-space:nowrap}.wordmark small{display:block;font-size:.75rem;letter-spacing:2px;font-weight:400}.nav{display:flex;gap:30px;margin-left:auto;font-size:.9375rem;flex-wrap:wrap}.nav a{position:relative;padding:8px 0}.nav a:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s}.nav a:hover:after,.nav a[aria-current=page]:after{transform:scaleX(1)}.menu{display:none}.hero{display:grid;grid-template-columns:1.02fr 1fr;gap:54px;padding-block:65px 55px;align-items:center}.eyebrow{font-size:.75rem;color:var(--red);letter-spacing:2px;margin-bottom:22px}h1{font-size:clamp(2.1rem,4.3vw,3.8rem);font-weight:600;line-height:1.3;letter-spacing:-1px}h2{font-size:clamp(1.6rem,2.3vw,2rem);font-weight:550;line-height:1.5}h3{font-size:1.2rem;font-weight:550;line-height:1.55}.intro{color:var(--muted);font-size:1.0625rem;margin:25px 0 32px;max-width:470px;line-height:1.95}.action{display:inline-flex;gap:30px;align-items:center;padding:12px 23px;background:var(--red);color:white;border-radius:2px;font-size:.9375rem;transition:transform .25s,background .25s}.action:hover{background:#92231e;transform:translateY(-2px)}.action span,.arrow{transition:transform .25s}.action:hover span{transform:translateX(4px)}.hero-figure{position:relative;border-bottom:4px solid var(--red);overflow:hidden;background:#eee}.hero-figure img{display:block;aspect-ratio:1.3;object-fit:cover;transition:transform 1s}.hero-figure:hover img,.practice-image:hover img{transform:scale(1.045)}.hero-figure figcaption{position:absolute;bottom:0;left:0;right:0;color:#fff;padding:35px 20px 15px;background:linear-gradient(transparent,#232527c9);font-size:.75rem;letter-spacing:1px}.band{background:#fafafa;border-block:1px solid var(--line)}.service-band{display:grid;grid-template-columns:repeat(3,1fr);padding-block:25px;gap:25px}.service-band div{display:flex;justify-content:space-between;align-items:center;border-right:1px solid var(--line);padding-right:25px;gap:15px}.service-band div:last-child{border:0;padding:0}.service-band strong{font-weight:500;font-size:1.125rem}.service-band small{font-size:.75rem;color:var(--muted);letter-spacing:1px}.section{padding-block:64px}.muted{background:var(--soft)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:10px}.section-heading p{color:var(--muted);font-size:.9375rem}.sector-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.sector{background:white;padding:27px;border:1px solid var(--line);border-top:3px solid transparent;display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s}.sector:last-child{grid-column:span 2}.sector:hover{border-top-color:var(--red);transform:translateY(-4px);box-shadow:0 14px 25px #22222209}.sector:hover .arrow{transform:translate(3px,-3px)}.kicker{display:flex;justify-content:space-between;color:var(--red);font-size:.75rem;letter-spacing:1px;margin-bottom:24px}.sector h3{margin-bottom:12px}.sector p{color:var(--muted);font-size:1rem;margin-bottom:20px}.more{font-size:.875rem;color:var(--red);margin-top:auto}.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.case{border-top:3px solid var(--red);padding-top:24px;display:flex;flex-direction:column}.partner{font-size:.875rem;color:var(--red);margin-bottom:14px}.case h3{min-height:3.2em;margin-bottom:18px}.case p{color:var(--muted);font-size:1rem}.tags{font-size:.75rem;color:#6a6b70;margin-top:auto;padding-top:24px}.practice{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;border-top:1px solid var(--line)}.practice-image{position:relative;overflow:hidden}.practice-image img{display:block;width:100%;aspect-ratio:1.1;object-fit:cover;transition:transform 1s}.practice-image figcaption{position:absolute;bottom:12px;left:15px;font-size:.75rem;color:white;background:#2229;padding:1px 8px}.practice p{color:var(--muted);margin-top:17px}.steps{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:28px 0}.step{border-top:1px solid var(--line);padding-top:12px}.step span{color:var(--red);font-size:.75rem;display:block;margin-bottom:5px}.step h3{font-size:1rem}.text-link{display:inline-block;color:var(--red);font-size:.9375rem;padding-block:8px}.text-link:hover{text-decoration:underline;text-underline-offset:6px}.company{padding-block:40px;display:flex;gap:40px;justify-content:space-between;align-items:center}.company p{color:var(--muted);margin-top:15px}.company .eyebrow{margin-bottom:13px}.company .text-link{white-space:nowrap}footer{border-top:1px solid var(--line)}.footer-inner{padding-block:28px;display:flex;gap:25px;justify-content:space-between;align-items:center;font-size:.75rem;color:var(--muted)}footer strong{font-size:.875rem;color:var(--ink);font-weight:500}footer p{margin-top:5px}.page-hero{background:linear-gradient(120deg,#f5f5f6,#fff);padding-block:60px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2rem,4vw,3.3rem)}.lead{max-width:760px;color:var(--muted);font-size:1.125rem;margin-top:22px}.detail-intro{display:grid;grid-template-columns:1fr 1.4fr;gap:65px}.detail-intro p{color:var(--muted);line-height:2}.detail-intro p+p{margin-top:20px}.scenarios{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.scenario{display:flex;gap:22px;border-top:1px solid var(--line);padding:26px 0}.number{font-size:.875rem;color:var(--red);padding-top:3px}.scenario h3{margin-bottom:15px}.scenario p{color:var(--muted);line-height:1.95}.focus{display:grid;grid-template-columns:1fr 1.4fr;gap:65px}.focus ul{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:0;list-style:none;margin:0}.focus li{border-bottom:1px solid var(--line);padding-block:12px}.back{padding-block:0 40px}.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.three-col h3{margin-bottom:15px}.three-col p{color:var(--muted)}
@keyframes enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.enter{animation:enter .7s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--delay,0ms)}.reveal.revealed{animation:enter .65s ease both}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.hero{gap:28px}.nav{gap:18px}.service-band div{display:block}.service-band small{display:block}.sector-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cases{grid-template-columns:1fr}.case{display:grid;grid-template-columns:.75fr 1.25fr;column-gap:32px}.case h3{grid-column:1;min-height:0}.case p{grid-column:2;grid-row:1 / span 2}.case .tags{grid-column:2}.practice{gap:30px}.detail-intro,.focus{gap:30px}.top-inner{gap:20px}}
@media(max-width:650px){.wrap{width:calc(100% - 40px)}.top-inner{min-height:85px;flex-wrap:wrap;padding-block:18px}.wordmark{font-size:1.4rem}.nav{width:100%;margin:0;gap:13px;font-size:.875rem}.menu.ready{display:block;margin-left:auto;background:#fff;border:1px solid var(--line);padding:6px 13px;min-height:44px;border-radius:2px}.nav.collapsible:not(.open){display:none}.hero{grid-template-columns:1fr;padding-block:35px;gap:30px}.hero-figure img{aspect-ratio:1.65}.service-band{gap:12px}.service-band div{padding-right:10px}.service-band strong{font-size:1rem}.service-band small{font-size:.75rem;letter-spacing:0}.section{padding-block:40px}.section-heading{display:block}.section-heading p{margin-top:14px}.sector-grid{grid-template-columns:1fr}.sector:last-child{grid-column:auto}.sector{padding:22px}.kicker{margin-bottom:14px}.cases{gap:28px}.case{display:block}.case h3{margin-bottom:15px}.case .tags{padding-top:18px}.practice{grid-template-columns:1fr}.practice-image img{aspect-ratio:1.7}.company{display:block;padding-block:30px}.company .text-link{margin-top:12px}.footer-inner{display:block}.footer-inner>span{display:block;margin-top:12px}.page-hero{padding-block:40px}.detail-intro,.focus,.scenarios,.three-col{grid-template-columns:1fr;gap:25px}.focus ul{grid-template-columns:1fr}.scenario{padding-block:20px}.eyebrow{letter-spacing:1px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:after{animation:none!important;transition:none!important}}
.section-nav{border-bottom:1px solid var(--line);background:#fff}.section-nav .wrap{display:flex;gap:32px;flex-wrap:wrap;padding-block:14px}.section-nav a{font-size:.9375rem;padding:6px 0;border-bottom:2px solid transparent}.section-nav a:hover{border-color:var(--red);color:var(--red)}.value-grid article{border-top:2px solid var(--red);padding-top:22px}.value-grid p{margin-top:16px}.workflow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:0;margin:0;border-top:1px solid var(--line);gap:25px}.workflow li{padding-top:23px}.workflow-number{display:inline-block;color:var(--red);font-size:.875rem;margin-bottom:18px}.workflow h3{font-size:1.125rem;margin-bottom:14px}.workflow p,.delivery-grid p{color:var(--muted)}.scope-note{color:var(--muted);font-size:.875rem;margin-top:24px}.delivery-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px;margin-bottom:24px}.delivery-grid article{border-top:1px solid var(--line);padding-top:20px}.delivery-grid h3{margin-bottom:12px}.case-detail{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}.case-detail summary{color:var(--red);cursor:pointer;font-size:.9375rem;padding:5px 0}.case-detail h4{font-size:.9375rem;font-weight:550;margin:18px 0 5px}.case-detail p{font-size:.9375rem}.case-detail summary:focus-visible{outline:3px solid #a55e15;outline-offset:4px}.case:has(details[open]){align-self:start}.detail-intro+.section{padding-top:0}@media(max-width:900px){.case-detail{grid-column:1 / -1}.workflow{grid-template-columns:1fr 1fr}}@media(max-width:650px){.section-nav .wrap{gap:10px 22px}.workflow,.delivery-grid{grid-template-columns:1fr}.workflow li+li{border-top:1px solid var(--line)}.workflow-number{margin-bottom:8px}.workflow li{padding-top:18px}.scope-note{line-height:1.8}}

/* Compact editorial rhythm with restrained technical motion. */
:root{line-height:1.65}
.top-inner{min-height:82px}
.hero{gap:40px;padding-block:46px 42px;grid-template-columns:1fr 1.12fr}
h1{font-size:clamp(2.1rem,4.1vw,3.5rem);line-height:1.24;letter-spacing:-.025em}
h2{line-height:1.35}h3{line-height:1.45}
.eyebrow{margin-bottom:14px;letter-spacing:1.4px}
.intro{line-height:1.75;margin:20px 0 24px;max-width:29em}
.hero-figure{isolation:isolate}.hero-figure img{aspect-ratio:1.42;animation:ambient-zoom 12s ease-in-out infinite alternate;transform-origin:50% 55%}
.hero-figure figcaption{z-index:2;letter-spacing:.4px;padding:30px 16px 12px}
.signal-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;fill:none;stroke:#ad3029;stroke-width:1;opacity:.65}
.signal-flow{stroke:#fff;stroke-width:3;stroke-dasharray:16 360;animation:signal-travel 6s linear infinite;filter:drop-shadow(0 0 3px #b4322b)}
.signal-core{stroke:#b4322b;stroke-width:1.4;transform-origin:450px 350px;animation:core-pulse 4s ease-in-out infinite}
.motion-toggle{position:absolute;right:12px;top:12px;z-index:3;background:#fffffff0;color:#51535a;border:1px solid #d7d9de;padding:7px 11px;min-height:40px;font-size:.875rem;cursor:pointer}
.motion-paused .hero-figure img,.motion-paused .signal-flow,.motion-paused .signal-core{animation-play-state:paused}
.service-band{padding-block:18px}.service-band div{justify-content:flex-start;gap:22px}
.section{padding-block:48px}.section-heading{align-items:start;justify-content:flex-start;flex-direction:column;gap:10px;margin-bottom:24px}.section-heading .eyebrow{margin-bottom:8px}
.sector-grid{gap:16px}.sector{padding:22px 24px;position:relative;overflow:hidden}.kicker{margin-bottom:15px}.sector h3{margin-bottom:9px}.sector p{margin-bottom:16px;line-height:1.7}.sector:hover{transform:translateY(-3px);border-color:#c5a7a4;box-shadow:0 8px 22px #252a3210}.sector:before{content:"";position:absolute;top:0;left:0;height:2px;width:100%;background:linear-gradient(90deg,transparent,var(--red),transparent);transform:translateX(-110%);transition:transform .75s ease}.sector:hover:before,.sector:focus-visible:before{transform:translateX(110%)}
.practice{gap:40px;grid-template-columns:.9fr 1.1fr}.practice-image img{aspect-ratio:1.3}.practice p{margin-top:12px}.steps{gap:16px 24px;margin:22px 0 16px}
.company{padding-block:32px}.company p{margin-top:10px}
.page-hero{padding-block:40px;position:relative;overflow:hidden;background:linear-gradient(110deg,#f3f4f6,#fff 70%)}.page-hero:after{content:"";position:absolute;right:0;bottom:0;width:32%;height:1px;background:linear-gradient(90deg,transparent,#b4322b77,transparent)}
.page-hero .eyebrow{margin-bottom:10px}.page-hero h1{font-size:clamp(2rem,3.5vw,3rem)}.lead{font-size:1.0625rem;line-height:1.75;margin-top:15px;max-width:45em}
.section-nav .wrap{padding-block:9px;gap:26px}.section-nav a{min-height:38px;display:inline-flex;align-items:center}
.detail-intro,.focus{grid-template-columns:1fr 1.65fr;gap:36px}.detail-intro p,.scenario p{line-height:1.75}.detail-intro p+p{margin-top:14px}
.scenarios{gap:18px 32px}.scenario{padding:20px 0;gap:16px}.scenario h3{margin-bottom:9px}
.three-col{gap:28px}.three-col h3{margin-bottom:9px}.value-grid article{padding-top:16px}.value-grid p{margin-top:10px}
.workflow{gap:24px}.workflow li{padding-top:16px}.workflow-number{margin-bottom:10px}.workflow h3{margin-bottom:9px}.scope-note{margin-top:16px}
.delivery-grid{gap:22px 32px;margin-bottom:16px}.delivery-grid article{padding-top:16px}.delivery-grid h3{margin-bottom:8px}
.cases{gap:24px}.case{padding-top:18px}.partner{margin-bottom:10px}.case h3{margin-bottom:12px}.tags{padding-top:16px}.case-detail{margin-top:14px;padding-top:10px}.footer-inner{padding-block:22px}
@keyframes signal-travel{to{stroke-dashoffset:-752}}
@keyframes core-pulse{0%,100%{opacity:.3;transform:scale(.85)}50%{opacity:.85;transform:scale(1.3)}}
@keyframes ambient-zoom{from{transform:scale(1)}to{transform:scale(1.035)}}
@media(min-width:901px){.sector:last-child p{max-width:42em}}
@media(max-width:900px){.hero{gap:26px}.detail-intro,.focus{gap:26px;grid-template-columns:1fr 1.35fr}.practice{gap:28px}.service-band div{display:block}}
@media(max-width:650px){.top-inner{min-height:76px;padding-block:14px}.hero{grid-template-columns:1fr;padding-block:30px;gap:24px}.hero-figure img{aspect-ratio:1.5}.intro{margin:16px 0 20px}.section{padding-block:34px}.section-heading{gap:8px;margin-bottom:20px}.section-heading p{margin-top:0}.sector{padding:20px}.page-hero{padding-block:30px}.detail-intro,.focus,.practice{grid-template-columns:1fr;gap:18px}.scenarios{gap:10px}.scenario{padding-block:18px}.service-band{padding-block:15px}.service-band strong{font-size:.9375rem}.section-nav .wrap{gap:4px 18px}.case h3{min-height:0}.company{padding-block:28px}.company h2{font-size:1.45rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.motion-toggle{display:none}.signal-flow{stroke-dasharray:none;opacity:.3}}

.reveal.revealed{animation-delay:var(--delay,0ms)}

/* Reserve the same scrollbar space on short and long pages. */
html{scrollbar-gutter:stable}
@supports not (scrollbar-gutter:stable){html{overflow-y:scroll}}
@media(min-width:1100px){
 .page-services .page-hero{padding-block:30px}
 .page-services main>.section{padding-block:30px}
 .page-services .scenarios{gap:12px 32px}
 .page-services .scenario{padding-block:16px}
 .page-services .scenario .scope-note{margin-top:12px}
 .page-services .detail-intro{padding-block:28px}
}

/* Keep the shared company footer at the viewport bottom on short pages. */
body{min-height:100vh;min-height:100svh;display:flex;flex-direction:column}
body>.top,body>footer{flex-shrink:0}
body>main{flex:1 0 auto;min-width:0}
body>footer{margin-top:auto}
body>footer{padding-bottom:clamp(24px,6vh,64px)}
@media(max-width:650px){body>footer{padding-bottom:16px}}

/* Persistent navigation; reserve its measured height for anchor targets. */
:root{--header-height:88px}
body>.top{position:sticky;top:0;z-index:100;background:#fff}
html{scroll-padding-top:calc(var(--header-height) + 16px)}
@media(max-width:650px){:root{--header-height:90px}}

/* Homepage navigation stays fixed independently of document scrolling. */
body.page-index{padding-top:var(--header-height)}
body.page-index>.top{position:fixed;top:0;left:0;right:0}