/* CHANG3 visual system: content stays unchanged */
:root{--c-ink:#071b36;--c-ink-2:#12375f;--c-blue:#1478e8;--c-cyan:#35c8ff;--c-paper:#f5f8fc;--c-white:#fff;--c-muted:#61758d;--c-line:#d8e3ee;--c-dark:#061a37;--c-radius-sm:12px;--c-radius-md:18px;--c-radius-lg:24px;--c-shadow:0 18px 48px rgba(7,35,75,.09);--c-max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--c-paper);color:var(--c-ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}body,button,input,textarea{letter-spacing:.01em}.container,.site-header{width:min(var(--c-max),calc(100% - 64px))!important;margin-left:auto!important;margin-right:auto!important}
.site-header{height:76px!important;background:rgba(255,255,255,.94)!important;border-bottom:1px solid rgba(7,27,54,.08)!important;box-shadow:0 8px 28px rgba(7,27,54,.05)!important;backdrop-filter:blur(18px);display:flex!important;align-items:center!important;justify-content:space-between!important;gap:32px!important}.site-header .brand{display:flex!important;align-items:center!important;flex:0 0 auto!important}.site-header .brand img{width:112px!important}.site-header nav{display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center!important;justify-content:flex-end!important;gap:28px!important;flex:0 0 auto!important;width:auto!important;min-width:max-content!important;white-space:nowrap!important;writing-mode:horizontal-tb!important}.site-header nav a{display:inline-flex!important;flex:0 0 auto!important;align-items:center!important;width:auto!important;min-width:max-content!important;max-width:none!important;height:auto!important;white-space:nowrap!important;word-break:keep-all!important;overflow-wrap:normal!important;word-wrap:normal!important;writing-mode:horizontal-tb!important;text-orientation:mixed!important;font-size:14px!important;color:#61758d!important}.site-header nav a:hover,.site-header nav a.active{color:var(--c-blue)!important}.site-header .nav-cta{padding:10px 18px!important;border:1px solid #b9d5f0!important;border-radius:999px!important;color:var(--c-blue)!important;background:#f3f9ff!important}
.hero{min-height:690px!important;padding:130px 0 110px!important}.hero-art{border-radius:0!important;background:linear-gradient(90deg,rgba(3,19,43,.96),rgba(3,25,53,.52)),url("hero-pcb-v2.png") center/cover!important}.hero .kicker{font-size:14px!important;color:#84d8ff!important;letter-spacing:.08em}.hero h1{font-size:clamp(52px,6vw,86px)!important;line-height:1.08!important;letter-spacing:-.06em!important}.hero h1 span{color:#2f8dff!important}.hero .lead{font-size:18px!important;line-height:1.9!important;color:#c4d5e8!important}.button{border-radius:999px!important;background:var(--c-blue)!important;box-shadow:0 12px 28px rgba(20,120,232,.24)!important}
.stats{background:var(--c-dark)!important}.stats-grid{max-width:var(--c-max)!important;padding:0!important;gap:0!important}.stats-grid div{min-height:104px;padding:27px 30px!important;border-left:1px solid rgba(255,255,255,.14)!important}.stats-grid div:last-child{border-right:1px solid rgba(255,255,255,.14)!important}.stats strong{font-size:20px!important;color:#fff!important}.stats span{font-size:13px!important;color:#8fb7dc!important}
.section{padding:96px 0!important}.section-head{max-width:820px!important;margin-bottom:44px!important}.section-head h2{margin:0 0 16px!important;font-size:clamp(34px,4vw,54px)!important;line-height:1.16!important;letter-spacing:-.045em!important;color:var(--c-ink)!important}.section-head p{margin:0!important;font-size:16px!important;line-height:1.9!important;color:var(--c-muted)!important}
.grid{gap:16px!important}.grid.four article{min-height:226px!important;padding:30px!important;border:1px solid var(--c-line)!important;border-radius:var(--c-radius-md)!important;background:var(--c-white)!important;box-shadow:var(--c-shadow)!important}.grid.four article:hover{transform:translateY(-5px);border-color:#9bcaf0!important}.grid.four article h3{margin-bottom:14px!important;font-size:21px!important;color:var(--c-ink)!important}.grid.four article p{color:var(--c-muted)!important;line-height:1.8!important}.grid.four article small{color:var(--c-blue)!important}
.capability-stage{margin-top:30px!important;min-height:250px!important;padding:30px 38px!important;border-radius:var(--c-radius-lg)!important;background:linear-gradient(110deg,#082957,#0b4a86)!important;box-shadow:0 24px 55px rgba(7,35,75,.18)!important}.capability-stage img{max-height:190px!important;filter:drop-shadow(0 18px 20px rgba(0,0,0,.28))}.capability-stage h3{font-size:27px!important}.capability-stage p{color:#b8d4ec!important}
.semiconductor-section{background:var(--c-dark)!important;border-top:1px solid rgba(82,183,255,.2);border-bottom:1px solid rgba(82,183,255,.2)}.semiconductor-section .section-head h2{color:#fff!important}.semiconductor-section .section-head p{color:#aac9e6!important}.semiconductor-grid{gap:16px!important}.semiconductor-grid article{padding:22px!important;border:1px solid rgba(89,181,242,.24)!important;border-radius:var(--c-radius-md)!important;background:linear-gradient(180deg,#0b376b,#061d3d)!important}.semiconductor-grid article img{height:170px!important;object-fit:contain!important}.semiconductor-grid article h3{color:#fff!important}.semiconductor-grid article p{color:#b5d0e7!important}.semiconductor-grid article small{color:#59c8ff!important}.semiconductor-bottom{margin-top:26px!important;border-radius:var(--c-radius-lg)!important;background:linear-gradient(110deg,#0d3f78,#082957)!important;border:1px solid rgba(89,181,242,.22)!important}.chip-services span{border-color:#439bcf!important;color:#b8dcf2!important}
.section-muted{background:var(--c-paper)!important}.extended-solutions .solution-list{background:#fff!important;border:1px solid var(--c-line)!important;border-radius:var(--c-radius-lg)!important;box-shadow:var(--c-shadow)!important;overflow:hidden}.extended-solutions .solution-list article{min-height:145px!important;padding:28px!important;border-color:var(--c-line)!important}.extended-solutions .solution-list article h3{color:var(--c-ink)!important}.extended-solutions .solution-list article p{color:var(--c-muted)!important}.solutions article{min-height:330px!important;border-radius:var(--c-radius-lg)!important;overflow:hidden!important;background:#0a315e!important;border:1px solid rgba(255,255,255,.12)!important}.solution-copy{padding:34px!important}.solution-copy h3{font-size:26px!important}.solution-copy p{line-height:1.85!important}
.industry-grid{display:grid!important;grid-template-columns:repeat(4,1fr)!important;gap:14px!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;padding:0!important;overflow:visible!important}.industry-grid>div{min-height:142px!important;padding:26px!important;border:1px solid var(--c-line)!important;border-radius:var(--c-radius-md)!important;background:#fff!important;box-shadow:0 12px 30px rgba(7,35,75,.055)!important;transition:transform .25s,background .25s,border-color .25s,box-shadow .25s!important}.industry-grid>div:hover{transform:translateY(-5px);background:linear-gradient(145deg,#fff,#edf7ff)!important;border-color:#98c9ed!important;box-shadow:0 18px 38px rgba(20,120,232,.12)!important}.industry-grid b{font-size:19px!important;color:var(--c-ink)!important}.industry-grid span{margin-top:12px!important;color:var(--c-muted)!important;line-height:1.65!important}
.process{gap:0!important;background:#fff!important;border:1px solid var(--c-line)!important;border-radius:var(--c-radius-lg)!important;box-shadow:var(--c-shadow)!important;overflow:hidden}.process>div{min-height:245px!important;padding:30px!important;border-top:0!important;border-right:1px solid var(--c-line)!important}.process>div:last-child{border-right:0!important}.process b{color:var(--c-blue)!important}.process h3{color:var(--c-ink)!important}.process p{color:var(--c-muted)!important}.process span{color:var(--c-blue)!important;background:#edf7ff!important;border-radius:999px!important;padding:8px 12px!important}
#cases{background:#fff!important}.case-list{gap:18px!important}.case-list article{border-radius:var(--c-radius-lg)!important;background:#082957!important;box-shadow:0 18px 44px rgba(7,35,75,.14)!important}.case-list article h3{font-size:27px!important}.case-list article p{color:#bad2e8!important}.case-list article small{color:#6dcaff!important}.case-device-visual,.case-storage-visual{background:linear-gradient(145deg,#0d4b87,#071e3d)!important}.case-device-visual img,.case-storage-visual img{filter:drop-shadow(0 20px 20px rgba(0,0,0,.35))}
.contact-section{background:var(--c-dark)!important}.contact-section .section-head h2{color:#fff!important}.contact-section .section-head p{color:#aec9e1!important}.contact form{background:#fff!important;border-radius:var(--c-radius-lg)!important;padding:34px!important;box-shadow:0 24px 55px rgba(0,0,0,.18)!important}.contact input,.contact textarea{color:var(--c-ink)!important;border-color:var(--c-line)!important}.contact label{color:var(--c-muted)!important}footer{background:#041326!important;border-top:1px solid rgba(255,255,255,.1)!important}footer p{color:#96afc8!important}
@media(max-width:900px){.container,.site-header{width:min(100% - 48px,var(--c-max))!important}.hero{padding:110px 0 90px!important}.stats-grid{grid-template-columns:repeat(2,1fr)!important}.four{grid-template-columns:repeat(2,1fr)!important}.industry-grid{grid-template-columns:repeat(2,1fr)!important}.process{grid-template-columns:repeat(2,1fr)!important}.process>div:nth-child(2){border-right:0!important}.process>div:nth-child(-n+2){border-bottom:1px solid var(--c-line)!important}}
@media(max-width:640px){.container,.site-header{width:calc(100% - 36px)!important}.site-header{height:64px!important}.section{padding:72px 0!important}.hero{padding:78px 0 72px!important;min-height:0!important}.hero h1{font-size:52px!important}.hero .lead{font-size:16px!important}.stats-grid,.four,.industry-grid,.process{grid-template-columns:1fr!important}.stats-grid div{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.14)!important}.process>div{border-right:0!important;border-bottom:1px solid var(--c-line)!important}.process>div:last-child{border-bottom:0!important}.capability-stage{padding:24px!important}.capability-stage img{width:170px!important}.section-head{margin-bottom:32px!important}}