:root {
  --ink: #101820; --navy: #071d2c; --blue: #009fe3; --cyan: #23c7f3;
  --red: #f22d58; --paper: #fff; --mist: #f3f8fb; --line: #dbe7ed;
  --muted: #63717b; --container: 930px; --header-h: 68px;
  --section-head-gap: 16px; --section-divider: #f5f9fb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
main [id] { scroll-margin-top: calc(var(--header-h) + 18px); }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: #fff; font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a, button { touch-action: manipulation; }
button { font: inherit; }
.container { width: min(calc(100% - 94px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: 0; left: 16px; z-index: 999; padding: 10px 16px; color: #fff; background: var(--navy); opacity: 0; pointer-events: none; transform: translateY(12px); }
.skip-link:focus { opacity: 1; pointer-events: auto; }

.site-header { position: sticky; top: 0; z-index: 60; height: var(--header-h); background: rgba(255,255,255,.98); border-bottom: 1px solid #e8eef2; }
.header-inner { width: min(calc(100% - 46px), 934px); height: 100%; margin: auto; display: flex; align-items: center; gap: 18px; }
.brand { width: 185px; display: flex; flex: 0 0 auto; align-items: center; gap: 8px; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; overflow: hidden; }
.brand-mark img { width: 52px; max-width: none; }
.brand-name { display: flex; flex-direction: column; color: #1b242a; }
.brand-name strong { font-size: 17px; line-height: 1.05; font-weight: 800; letter-spacing: -.4px; }
.brand-name small { margin-top: 3px; font: 6px/1 Arial, sans-serif; letter-spacing: .4px; }
.main-nav { margin-left: 20px; display: flex; align-items: stretch; align-self: stretch; gap: 22px; }
.main-nav a { position: relative; display: grid; place-items: center; white-space: nowrap; font-size: 12px; font-weight: 500; color: #1c2a33; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a.active::after { background: var(--blue); }
.header-phone { margin-left: auto; display: flex; align-items: center; gap: 7px; color: var(--blue); flex: 0 0 auto; }
.header-phone > i { width: 29px; height: 29px; display: grid; place-items: center; border: 2px solid var(--blue); border-radius: 50%; font-size: 13px; }
.header-phone div { display: flex; flex-direction: column; }
.header-phone small { color: #6f7b82; font-size: 8px; line-height: 1.15; }
.header-phone a { font: 700 15px/1.2 Arial, sans-serif; }
.header-cta { min-width: 106px; height: 40px; display: flex; align-items: center; justify-content: center; gap: 9px; color: #fff; background: var(--blue); border-radius: 3px; font-size: 11px; font-weight: 700; }
.header-cta:hover { background: #008ac5; }
.nav-toggle { display: none; }

.hero { position: relative; height: 515px; overflow: hidden; color: #fff; background: #173140; }
.hero-image { position: absolute; inset: -24px 0 0; background: url("../images/hero-workshop-composite-v17.png") 50% center / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: rgba(4,20,31,.04); }
.hero-overlay { position: absolute; z-index: 2; inset: 0 auto 0 0; width: 60%; background: linear-gradient(90deg, rgba(3,25,39,.34) 0%, rgba(3,25,39,.22) 50%, rgba(3,25,39,.08) 78%, rgba(3,25,39,0) 100%); }
.hero-inner { position: relative; z-index: 3; width: min(calc(100% - 94px), var(--container)); height: 100%; margin: auto; }
.hero-copy { position: absolute; top: 58px; left: 0; max-width: 540px; }
.hero .overline { margin: 0 0 12px; visibility: hidden; color: #d9f4ff; font-size: 9px; font-weight: 700; }
.hero h1 { margin: 0; font-size: 52px; line-height: 1.08; letter-spacing: -2px; font-weight: 900; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero-lead { margin: 17px 0 0; font-size: 15px; line-height: 1.7; white-space: nowrap; }
.hero-actions { margin-top: 18px; display: flex; gap: 18px; }
.button { min-height: 44px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; border-radius: 3px; font-size: 12px; font-weight: 700; transition: transform .2s, background-color .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--blue); }
.button.secondary { min-width: 145px; color: #fff; background: rgba(5,27,42,.34); border-color: rgba(255,255,255,.76); }
.button.accent { color: #fff; background: var(--red); }
.hero-products { position: absolute; z-index: 3; right: -34px; bottom: 48px; width: 540px; height: 314px; pointer-events: none; }
.hero-product-cluster { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: contain; }
.hero-product-cluster-base { filter: drop-shadow(0 18px 16px rgba(0,16,27,.3)); }
.hero-features { position: absolute; z-index: 4; left: 0; bottom: 78px; width: 450px; display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-features article { min-height: 78px; padding: 4px 10px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; text-align: center; border-right: 1px solid rgba(255,255,255,.32); }
.hero-features article:first-child { padding-left: 0; }
.hero-features article:last-child { border-right: 0; }
.hero-features i { width: 30px; flex: 0 0 auto; color: #fff; font-size: 27px; text-align: center; }
.hero-features div { display: flex; flex-direction: column; align-items: center; }
.hero-features strong { font-size: 12px; line-height: 1.3; }
.hero-features span { margin-top: 4px; color: #d8e3e9; font-size: 9px; white-space: nowrap; }
.color-ribbon { position: absolute; z-index: 5; right: 0; bottom: -9px; left: 0; width: 100%; height: 79px; object-fit: fill; pointer-events: none; }

.section { overflow: hidden; }
.section-head { height: 43px; margin-bottom: var(--section-head-gap); display: grid; grid-template-columns: auto 1fr auto; align-items: end; gap: 22px; }
.section-head > div { display: flex; align-items: end; }
.section-head h2, .about-copy h2, .cert-copy h2 { margin: 0; font-size: 30px; line-height: 1.15; font-weight: 900; letter-spacing: -1px; }
.section-head h2::after, .cert-copy h2::after { content: ""; display: inline-block; width: 18px; height: 2px; margin: 0 0 7px 14px; background: var(--blue); }
.section-kicker { margin: 0 0 4px; color: var(--blue); font-size: 9px; line-height: 1; letter-spacing: .5px; font-weight: 700; }
.section-head .section-kicker { display: none; }
.section-head > p { margin: 0 0 5px; color: #586872; font-size: 10px; }
.section-head > a, .cert-copy > a { margin-bottom: 4px; color: var(--blue); font-size: 10px; font-weight: 700; }

.products { height: auto; min-height: 309px; padding: 7px 0 22px; background: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.product-card { height: 221px; display: block; overflow: hidden; color: inherit; border-radius: 6px 6px 0 0; }
.product-card:nth-child(1) { background: #ebf8ff; }
.product-card:nth-child(2) { background: #fff9e9; }
.product-card:nth-child(3) { background: #effbef; }
.product-card:nth-child(4) { background: #fff1f2; }
.product-photo { height: 156px; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; }
.product-group-image { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center bottom; transition: transform .25s; filter: drop-shadow(0 7px 7px rgba(27,47,58,.14)); }
.product-card:hover .product-group-image { transform: translateY(-3px); }
.asset-stack { position: relative; isolation: isolate; }
.asset-stack img { position: absolute; max-width: none; object-fit: contain; transition: transform .25s; filter: drop-shadow(0 7px 7px rgba(27,47,58,.14)); }
.product-card:hover .asset-stack img { transform: translateY(-3px); }
.stack-electronics img:first-child { left: 13px; bottom: 4px; width: 118px; }
.stack-electronics img:last-child { right: 8px; bottom: 3px; width: 112px; }
.stack-cartons img:first-child { left: 5px; bottom: 10px; width: 145px; }
.stack-cartons img:last-child { right: 8px; bottom: 10px; width: 105px; }
.stack-yellow-cartons img { bottom: 8%; width: 43%; height: 78%; object-position: center bottom; filter: drop-shadow(0 5px 5px rgba(27,47,58,.1)); }
.stack-yellow-cartons img:first-child { left: 5%; }
.stack-yellow-cartons img:last-child { right: 5%; }
.stack-new-cartons { --carton-scale: 1.45; }
.stack-new-cartons img { transform: scale(var(--carton-scale)); transform-origin: center bottom; }
.stack-new-cartons img:first-child { left: 4%; bottom: 2px; width: 61%; }
.stack-new-cartons img:last-child { right: 4%; bottom: 2px; width: 61%; }
.product-card:hover .stack-new-cartons img { transform: translateY(-3px) scale(var(--carton-scale)); }
.stack-labels img { bottom: 14px; height: clamp(92px, 9vw, 132px); object-fit: cover; object-position: center; background: #fff; border: 3px solid #fff; box-shadow: 0 10px 20px rgba(33,52,63,.16); filter: none; }
.stack-labels img:nth-child(1) { left: 4%; z-index: 1; width: 54%; transform: rotate(-3deg); }
.stack-labels img:nth-child(2) { left: 50%; bottom: 20px; z-index: 3; width: 58%; transform: translateX(-50%); }
.stack-labels img:nth-child(3) { right: 4%; z-index: 2; width: 54%; transform: rotate(3deg); }
.product-card:hover .stack-labels img:nth-child(1) { transform: translateY(-3px) rotate(-3deg); }
.product-card:hover .stack-labels img:nth-child(2) { transform: translate(-50%, -3px); }
.product-card:hover .stack-labels img:nth-child(3) { transform: translateY(-3px) rotate(3deg); }
.stack-foam img:first-child { left: 9px; bottom: 10px; width: 115px; }
.stack-foam img:last-child { right: 10px; bottom: 10px; width: 100px; }
.stack-other img:first-child { left: 4px; bottom: 12px; width: 130px; }
.stack-other img:last-child { right: 4px; bottom: 12px; width: 134px; }
.card-body { position: relative; height: 65px; padding: 8px 13px; }
.card-body > p { display: none; }
.card-body h3 { margin: 0 0 4px; font-size: 16px; line-height: 1.2; }
.card-body > span:not(.card-arrow) { display: block; padding-right: 20px; color: #60717b; font-size: 8px; line-height: 1.45; white-space: nowrap; }
.card-body > .card-arrow { position: absolute; right: 13px; top: 12px; color: #53626a; font-size: 16px; }

.about { height: auto; min-height: 406px; background: #fff; border-top: 6px solid var(--section-divider); }
.about-layout { height: 100%; display: grid; grid-template-columns: 37% 63%; grid-template-rows: 310px 90px; }
.about-copy { padding: 25px 36px 14px 0; }
.about-copy h2 { margin-top: 5px; }
.about-copy h3 { margin: 7px 0 20px; color: var(--blue); font-size: 14px; line-height: 1.4; }
.about-copy > p:not(.section-kicker) { margin: 0 0 14px; color: #53636d; font-size: 12.5px; line-height: 1.72; text-align: justify; }
.about-copy .button { min-height: 34px; padding-inline: 19px; font-size: 10px; }
.about-visual { position: relative; grid-column: 2; grid-row: 1; height: 310px; margin-right: calc((100vw - min(calc(100vw - 94px), var(--container))) / -2); overflow: hidden; }
.about-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center 45%; }
.about-points { z-index: 2; grid-column: 1 / -1; grid-row: 2; width: 100%; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 1px solid #e4edf2; }
.about-points > div { display: grid; grid-template-columns: 34px auto; grid-template-rows: auto auto; align-content: center; justify-content: center; column-gap: 8px; padding: 11px 12px; border-right: 1px solid #dde5ea; }
.about-points > div:last-child { border-right: 0; }
.about-points i { grid-row: 1 / 3; align-self: center; color: var(--blue); font-size: 20px; }
.about-points strong { align-self: end; font-size: 11px; }
.about-points span { margin-top: 3px; color: #71808a; font-size: 7px; white-space: nowrap; }

.strength { height: auto; min-height: 340px; padding: 18px 0 12px; color: #fff; background: radial-gradient(circle at 88% 4%, rgba(41,172,220,.22) 0%, rgba(41,172,220,.08) 25%, transparent 52%), linear-gradient(112deg, #061923 0%, #0a2432 48%, #17485a 100%); }
.strength .container { width: min(calc(100% - 94px), var(--container)); }
.strength .section-head { height: 54px; margin-bottom: var(--section-head-gap); }
.strength .section-head h2::after { background: #fff; }
.strength .section-head > p { margin-bottom: 7px; color: #c4d0d6; font-size: 11px; letter-spacing: .2px; }
.strength .section-head > a { color: #fff; }
.strength-grid { height: 240px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.2); }
.strength-card { position: relative; min-width: 0; overflow: hidden; color: inherit; background: #132733; }
.strength-grid img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9) contrast(1.03) brightness(.94); }
.strength-card:nth-child(2) img { object-position: 52% center; filter: saturate(.86) contrast(1.02) brightness(1.02); }
.strength-card:nth-child(3) img { object-position: 50% center; filter: saturate(.88) contrast(1.02) brightness(.98); }
.strength-card:nth-child(4) img { filter: brightness(1.08) saturate(.92) contrast(1.02); }
.strength-card::after { content: ""; position: absolute; z-index: 1; inset: 34% 0 0; background: linear-gradient(180deg, transparent, rgba(2,18,29,.94)); }
.strength-label { position: absolute; z-index: 2; right: 16px; bottom: 15px; left: 16px; color: #fff; }
.strength-label b { min-height: 20px; margin: 0 0 8px; padding: 0 8px; display: inline-flex; align-items: center; color: var(--cyan); background: rgba(2,25,39,.76); border: 1px solid rgba(35,199,243,.72); font-size: 9px; line-height: 1; letter-spacing: .4px; }
.strength-label h3 { margin: 0 0 5px; color: #fff; font-size: 18px; line-height: 1.2; }
.strength-label p { margin: 0; color: #dce6eb; font-size: 11px; line-height: 1.45; }

.cases { height: auto; min-height: 310px; padding: 20px 0 22px; background: #fff; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.case-preview-card { height: 209px; display: block; overflow: hidden; color: inherit; background: #fff; border: 1px solid #dce7ed; box-shadow: 0 8px 24px rgba(16,42,56,.045); }
.case-photo { height: 145px; overflow: hidden; background: linear-gradient(135deg, #edf8fe, #e2f1f8); }
.case-preview-card:nth-child(2) .case-photo { background: linear-gradient(135deg, #fff8e8, #f8f1df); }
.case-preview-card:nth-child(3) .case-photo { background: linear-gradient(135deg, #edf8fc, #e6f2f7); }
.case-preview-card > div:last-child { height: 64px; padding: 11px 15px; }
.case-single { display: flex; align-items: flex-end; justify-content: center; padding: 5px 18px 0; }
.case-single img { width: auto; height: 97%; max-width: 97%; object-fit: contain; filter: drop-shadow(0 10px 12px rgba(24,50,61,.16)); transition: transform .25s; }
.case-single-food img { height: 99%; }
.case-single-aquatic img { height: 98%; }
.case-preview-card:hover .case-single img { transform: scale(1.025); }
.stack-case-electronics img:nth-child(1) { left: 20px; bottom: 2px; width: 125px; }
.stack-case-electronics img:nth-child(2) { left: 104px; bottom: 1px; width: 119px; }
.stack-case-electronics img:nth-child(3) { right: 12px; bottom: 3px; width: 103px; }
.stack-case-food img:nth-child(1) { left: 8px; bottom: 0; width: 118px; }
.stack-case-food img:nth-child(2) { left: 106px; bottom: 1px; width: 120px; }
.stack-case-food img:nth-child(3) { right: -2px; bottom: -3px; width: 116px; }
.stack-case-aquatic img:nth-child(1) { left: 3px; bottom: 2px; width: 135px; }
.stack-case-aquatic img:nth-child(2) { left: 104px; bottom: 4px; width: 128px; }
.stack-case-aquatic img:nth-child(3) { right: -4px; bottom: -3px; width: 125px; }
.case-grid h3 { margin: 0 0 5px; font-size: 16px; line-height: 1.2; }
.case-grid p { margin: 0; color: #687982; font-size: 10px; line-height: 1.45; }

.certificates { height: auto; min-height: 250px; padding: 32px 0; background: var(--mist); }
.cert-layout { min-height: 412px; display: grid; grid-template-columns: 31% 69%; gap: 34px; align-items: center; }
.cert-copy h2 { margin-top: 5px; font-size: 32px; }
.cert-copy .section-kicker { display: none; }
.cert-copy > p:not(.section-kicker) { max-width: 330px; margin: 14px 0 17px; color: #586a75; font-size: 11px; line-height: 1.75; }
.cert-copy > a { display: inline-flex; min-height: 34px; padding: 0 15px; align-items: center; gap: 8px; border: 1px solid var(--blue); border-radius: 3px; font-size: 11px; }
.cert-grid { min-height: 412px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(2, 200px); gap: 12px; }
.cert-grid figure { min-width: 0; height: 200px; margin: 0; padding: 12px 12px 0; display: grid; grid-template-rows: minmax(0, 1fr) 38px; place-items: center; overflow: hidden; background: #fff; border: 1px solid #dce7ed; box-shadow: 0 8px 24px rgba(16,42,56,.045); }
.cert-grid img { width: auto; height: auto; max-width: 100%; max-height: 100%; align-self: center; justify-self: center; object-fit: contain; }
.cert-grid figcaption { width: 100%; height: 38px; display: flex; align-items: center; justify-content: center; color: #263945; border-top: 1px solid #e4edf2; font-size: 9px; font-weight: 700; text-align: center; }

.contact { position: relative; height: 170px; overflow: hidden; color: #fff; background: linear-gradient(110deg, #063449 0%, #0079a6 58%, #089dcc 100%); }
.contact::after { content: ""; position: absolute; z-index: 0; inset: 0; background: url("../images/client/strength-prepress.jpg") center 45% / cover no-repeat; opacity: .20; }
.contact::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, rgba(2,27,38,.02) 55%, rgba(2,27,38,.28) 100%), linear-gradient(90deg, rgba(2,27,38,.62) 0%, rgba(0,70,100,.24) 50%, rgba(0,80,110,.06) 100%); }
.contact-inner { position: relative; z-index: 2; height: 100%; display: grid; grid-template-columns: minmax(390px, 1fr) 245px 190px; gap: 24px; align-items: center; }
.contact .section-kicker { display: none; }
.contact h2 { margin: 0 0 7px; font-size: 27px; line-height: 1.2; }
.contact-copy > span { display: block; color: #d9f5ff; font-size: 12px; }
.contact-copy .button { min-height: 40px; margin-top: 13px; padding-inline: 20px; font-size: 11px; }
.contact-phone, .contact-service { min-height: 72px; padding: 11px 0 11px 24px; display: flex; align-items: center; gap: 13px; border-left: 1px solid rgba(255,255,255,.48); }
.contact-phone > i, .contact-service > i { flex: 0 0 auto; font-size: 25px; }
.contact-phone > span, .contact-service > span { min-width: 0; display: flex; flex-direction: column; font-size: 11px; }
.contact-phone strong { margin: 5px 0 4px; font: 700 18px/1 Arial, sans-serif; white-space: nowrap; }
.contact-phone small, .contact-service small { margin-top: 5px; color: #d8f4ff; font-size: 9px; line-height: 1.4; }
.contact-service > i { font-size: 24px; }
.contact-service > span { font-size: 13px; font-weight: 700; }

.site-footer { height: 150px; padding: 24px 0 18px; color: #a8b6be; background: #111d25; }
.footer-grid { height: 100%; display: grid; grid-template-columns: 235px minmax(0, 1fr) 230px; gap: 28px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 9px; color: #fff; }
.footer-brand .brand-mark { width: 46px; height: 46px; }
.footer-brand > div { display: flex; flex-direction: column; }
.footer-brand strong { font-size: 19px; line-height: 1.1; }
.footer-brand small { margin-top: 4px; color: #aebac0; font: 7px Arial, sans-serif; letter-spacing: .35px; }
.site-footer nav { display: flex; gap: 22px; }
.site-footer nav a { white-space: nowrap; color: #d3dde2; font-size: 11px; }
.site-footer nav a:hover { color: var(--cyan); }
.site-footer p { margin: 15px 0 0; color: #81919a; font-size: 9.5px; line-height: 1.6; white-space: nowrap; }
.footer-service { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.footer-service small { color: #95a4ac; font-size: 9.5px; }
.footer-service span { margin-top: 8px; font-size: 9px; }
.footer-bottom { display: none; }

.reveal, .stagger > * { opacity: 1; transform: none; }
.js .reveal, .js .stagger > * { opacity: 0; transform: translateY(16px); }
.reveal.visible, .stagger.visible > * { opacity: 1; transform: translateY(0); transition: opacity .55s ease, transform .55s ease; }
.stagger.visible > *:nth-child(2) { transition-delay: .06s; }
.stagger.visible > *:nth-child(3) { transition-delay: .12s; }
.stagger.visible > *:nth-child(4) { transition-delay: .18s; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }

@media (min-width: 1200px) {
  :root { --container: 1280px; --header-h: 80px; }
  .header-inner { width: min(calc(100% - 64px), 1320px); }
  .brand { width: 230px; }
  .brand-mark { width: 44px; height: 44px; }
  .brand-mark img { width: 58px; }
  .brand-name strong { font-size: 19px; }
  .brand-name small { font-size: 7px; }
  .main-nav { margin-left: 20px; gap: 32px; }
  .main-nav a { font-size: 15px; }
  .header-phone { gap: 9px; }
  .header-phone > i { width: 32px; height: 32px; font-size: 14px; }
  .header-phone small { font-size: 8px; }
  .header-phone a { font-size: 16px; }
  .header-cta { min-width: 116px; height: 44px; font-size: 12px; }
  .hero { height: 640px; }
  .hero-inner, .container { width: min(calc(100% - 128px), var(--container)); }
  .hero-copy { top: 104px; max-width: 600px; }
  .hero h1 { font-size: 56px; line-height: 1.16; letter-spacing: -1px; font-weight: 800; }
  .hero-lead { max-width: 530px; margin-top: 24px; font-size: 15px; letter-spacing: .15px; }
  .hero-actions { margin-top: 26px; gap: 24px; }
  .hero-actions .button { min-height: 48px; padding-inline: 28px; }
  .hero-products { right: 0; bottom: 72px; width: 630px; transform: scale(1.12); transform-origin: right bottom; }
  .hero-features { width: 520px; bottom: 90px; }
  .products { height: auto; min-height: 345px; padding: 0 0 34px; }
  .product-card { height: 252px; }
  .product-photo { height: 172px; }
  .stack-new-cartons { --carton-scale: 1.58; }
  .stack-new-cartons img:first-child { left: 5%; bottom: -20px; width: 62%; }
  .stack-new-cartons img:last-child { right: 5%; bottom: -20px; width: 62%; }
  .stack-electronics img:first-child { left: 18px; bottom: 3px; width: 150px; }
  .stack-electronics img:last-child { right: 12px; bottom: 2px; width: 142px; }
  .stack-cartons img:first-child { left: 8px; bottom: 10px; width: 180px; }
  .stack-cartons img:last-child { right: 10px; bottom: 10px; width: 132px; }
  .stack-foam img:first-child { left: 12px; bottom: 10px; width: 150px; }
  .stack-foam img:last-child { right: 12px; bottom: 10px; width: 125px; }
  .stack-other img:first-child { left: 5px; bottom: 12px; width: 170px; }
  .stack-other img:last-child { right: 5px; bottom: 12px; width: 175px; }
  .about-layout { grid-template-columns: 42% 58%; }
  .about-copy h2 { font-size: 36px; }
  .about-copy h3 { margin: 8px 0 16px; font-size: 16px; }
  .about-copy > p:not(.section-kicker) { margin-bottom: 16px; max-width: 430px; font-size: 14px; line-height: 1.72; }
  .about-copy .button { min-height: 38px; font-size: 12px; }
  .strength { height: auto; min-height: 390px; }
  .strength-grid { height: 285px; }
  .cases { height: auto; min-height: 350px; padding-top: 24px; padding-bottom: 28px; }
  .case-preview-card { height: 239px; }
  .case-photo { height: 171px; }
  .case-preview-card > div:last-child { height: 68px; padding: 12px 16px; }
  .case-grid h3 { font-size: 17px; }
  .case-grid p { font-size: 11px; }
  .stack-case-electronics img:nth-child(1) { left: 34px; }
  .stack-case-electronics img:nth-child(2) { left: 143px; }
  .stack-case-electronics img:nth-child(3) { right: 34px; }
  .stack-case-food img:nth-child(1) { left: 32px; bottom: 8px; width: 112px; }
  .stack-case-food img:nth-child(2) { left: 142px; bottom: 7px; width: 116px; }
  .stack-case-food img:nth-child(3) { right: 31px; bottom: 5px; width: 124px; }
  .stack-case-aquatic img:nth-child(1) { left: 12px; bottom: 28px; width: 155px; z-index: 1; }
  .stack-case-aquatic img:nth-child(2) { left: 130px; bottom: 31px; width: 150px; z-index: 2; }
  .stack-case-aquatic img:nth-child(3) { right: 12px; bottom: 26px; width: 150px; z-index: 3; }
  .certificates { height: auto; min-height: 300px; }
  .cert-layout { min-height: 492px; }
  .cert-grid { min-height: 492px; grid-template-rows: repeat(2, 240px); }
  .cert-grid figure { height: 240px; }
  .cert-copy h2 { font-size: 36px; }
  .cert-copy > p:not(.section-kicker) { max-width: 390px; font-size: 13px; }
  .cert-grid figure { padding: 14px 14px 0; grid-template-rows: minmax(0, 1fr) 42px; }
  .cert-grid figcaption { height: 42px; font-size: 11px; }
  .contact { height: 180px; }
  .site-footer { height: 160px; }
  .footer-grid { gap: 32px; }
  .site-footer nav a { font-size: 12px; }
  .site-footer p { font-size: 10.5px; }
  .footer-service small { font-size: 10px; }
  .footer-service span { font-size: 9.5px; }
}

@media (min-width: 901px) {
  .products .section-head > p { font-size: 15px; line-height: 1.6; }
  .cases .section-head > p { font-size: 15px; line-height: 1.6; }
  .cases .section-head > a { font-size: 15px; line-height: 1.6; }
  .products .product-card { height: auto; }
  .products .card-body { height: auto; min-height: 80px; padding-bottom: 14px; }
  .products .card-body > span:not(.card-arrow) { font-size: 13px; line-height: 1.6; white-space: normal; }
  .about-points strong { font-size: 15px; }
  .about-points span { font-size: 13px; line-height: 1.6; white-space: normal; }
}

@media (min-width: 901px) and (max-width: 1199px) {
  .header-inner { width: calc(100% - 36px); gap: 14px; }
  .brand { width: 184px; }
  .main-nav { margin-left: auto; gap: clamp(16px, 1.8vw, 22px); }
  .main-nav a { font-size: clamp(13px, 1.15vw, 14px); }
  .header-phone { display: none; }
  .header-cta { min-width: 100px; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .container { width: min(calc(100% - 36px), 680px); }
  .header-inner { width: calc(100% - 30px); }
  .brand { width: auto; }
  .header-phone, .header-cta { display: none; }
  .nav-toggle { margin-left: auto; width: 44px; height: 44px; padding: 9px; display: flex; flex-direction: column; justify-content: center; gap: 5px; color: var(--ink); background: transparent; border: 0; }
  .nav-toggle span { width: 100%; height: 2px; background: currentColor; }
  .nav-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .main-nav { position: fixed; top: var(--header-h); right: 0; bottom: 0; left: 0; margin-left: 0; padding: 24px; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: #fff; transform: translateX(100%); transition: transform .25s; }
  .nav-open .main-nav { transform: translateX(0); }
  .main-nav a { height: 56px; display: flex; border-bottom: 1px solid var(--line); font-size: 16px; }
  .main-nav a::after { display: none; }
  .hero { --mobile-features-h: 112px; height: 672px; background: #fff; }
  .hero-image { bottom: var(--mobile-features-h); background-position: 65% center; }
  .hero::before { bottom: var(--mobile-features-h); }
  .hero-overlay { right: 0; bottom: var(--mobile-features-h); width: 100%; background: linear-gradient(90deg, rgba(3,25,39,.88) 0%, rgba(3,25,39,.64) 58%, rgba(3,25,39,.18) 100%); }
  .hero-products { right: -18px; bottom: calc(var(--mobile-features-h) + clamp(24px, 5vw, 45px)); width: clamp(280px, 78vw, 340px); height: 205px; display: block; transform: none; }
  .hero-product-cluster-base { filter: drop-shadow(0 10px 10px rgba(0,16,27,.32)); }
  .color-ribbon { --ribbon-trim: clamp(3px, .55vw, 5px); bottom: calc(var(--mobile-features-h) - var(--ribbon-trim)); height: auto; object-fit: contain; clip-path: inset(0 0 var(--ribbon-trim) 0); }
  .hero-inner { width: calc(100% - 42px); }
  .hero-copy { top: 54px; max-width: 100%; }
  .hero h1 { font-size: clamp(40px, 8.5vw, 52px); }
  .hero-lead { max-width: 360px; white-space: normal; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { min-width: 0; padding-inline: 18px; }
  .hero-features { left: 50%; right: auto; bottom: 0; width: 100vw; height: var(--mobile-features-h); padding: 6px 21px; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; color: var(--ink); background: #fff; box-shadow: inset 0 1px 0 var(--line); transform: translateX(-50%); }
  .hero-features article { min-height: 0; padding: 5px 10px; display: grid; grid-template-columns: 30px minmax(0, 86px); column-gap: 10px; justify-content: center; align-items: center; text-align: left; border: 0; }
  .hero-features article:first-child { padding-left: 10px; }
  .hero-features article:nth-child(odd) { border-right: 1px solid var(--line); }
  .hero-features article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .hero-features i { width: 30px; color: var(--blue); font-size: 23px; text-align: center; }
  .hero-features div { align-items: flex-start; }
  .hero-features strong { color: var(--ink); }
  .hero-features span { color: #71808a; }
  .products, .about, .strength, .cases, .certificates, .contact, .site-footer { height: auto; }
  .products, .cases, .certificates { padding: 55px 0; }
  .products .section-head, .cases .section-head { margin-bottom: 18px; }
  .section-head { height: auto; grid-template-columns: 1fr auto; align-items: end; }
  .section-head > p { grid-column: 1 / -1; grid-row: 2; margin-top: 7px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-card { height: 260px; }
  .product-photo { height: 180px; }
  .stack-new-cartons { --carton-scale: 1.4; }
  .stack-new-cartons img:first-child { left: 4%; width: 60%; }
  .stack-new-cartons img:last-child { right: 4%; width: 60%; }
  .stack-electronics img:first-child { left: 12px; bottom: 5px; width: 140px; }
  .stack-electronics img:last-child { right: 9px; bottom: 4px; width: 133px; }
  .stack-cartons img:first-child { left: 5px; bottom: 10px; width: clamp(145px, 22vw, 165px); }
  .stack-cartons img:last-child { right: 7px; bottom: 10px; width: clamp(108px, 17vw, 125px); }
  .stack-foam img:first-child { left: 8px; bottom: 10px; width: clamp(122px, 19vw, 140px); }
  .stack-foam img:last-child { right: 8px; bottom: 10px; width: clamp(105px, 16vw, 120px); }
  .stack-other img:first-child { left: 5px; bottom: 12px; width: clamp(140px, 21vw, 165px); }
  .stack-other img:last-child { right: 5px; bottom: 12px; width: clamp(145px, 22vw, 170px); }
  .about-layout { display: block; }
  .about-copy { padding: 42px 0 28px; }
  .about-visual { height: 400px; margin-top: 0; margin-right: 0; }
  .about-points { width: 100%; grid-template-columns: 1fr 1fr; }
  .about-points > div { min-height: 78px; }
  .strength { padding: 55px 0; }
  .strength .container { width: min(calc(100% - 36px), 680px); }
  .strength .section-head { height: auto; min-height: 68px; margin-bottom: 18px; }
  .strength-grid { height: auto; grid-template-columns: 1fr 1fr; }
  .strength-card { height: 300px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-preview-card { height: auto; display: grid; grid-template-columns: 46% 54%; }
  .case-photo { height: 210px; }
  .case-preview-card > div:last-child { height: auto; align-self: center; padding: 20px; }
  .cert-layout { height: auto; grid-template-columns: 1fr; gap: 28px; }
  .cert-grid { height: auto; }
  .contact::after { left: 0; background-position: 62% 45%; opacity: 1; }
  .contact::before { background: linear-gradient(180deg, rgba(4,30,42,.04) 55%, rgba(4,30,42,.34) 100%), linear-gradient(90deg, rgba(3,37,53,.96) 0%, rgba(0,91,130,.91) 60%, rgba(3,50,69,.72) 100%); }
  .contact-inner { min-height: 300px; padding: 32px 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; }
  .contact-copy { grid-column: 1 / -1; }
  .contact h2 { font-size: 27px; }
  .contact-copy > span { font-size: 12px; }
  .contact-phone, .contact-service { min-height: 72px; padding: 10px 0 10px 16px; }
  .site-footer { padding: 30px 0 20px; }
  .footer-grid { height: auto; grid-template-columns: 190px minmax(0, 1fr); gap: 24px; align-items: start; }
  .footer-service { display: none; }
  .footer-bottom { margin-top: 22px; padding-top: 15px; display: flex; justify-content: space-between; color: #71828c; border-top: 1px solid rgba(255,255,255,.10); font-size: 9px; }
}

@media (max-width: 560px) {
  .hero { height: 672px; }
  .hero-copy { top: 54px; max-width: 345px; }
  .hero h1 { max-width: 330px; font-size: 35px; line-height: 1.12; letter-spacing: -1px; }
  .hero-lead { max-width: 300px; margin-top: 23px; font-size: 13px; line-height: 1.72; }
  .hero-actions { margin-top: 22px; flex-direction: row; align-items: center; gap: 12px; }
  .hero-actions .button { width: auto; min-height: 44px; padding-inline: 14px; }
  .hero-actions .button.primary { flex: 0 0 164px; }
  .hero-actions .button.secondary { flex: 0 0 122px; }
  .hero-products { right: -16px; width: min(82vw, 330px); height: 195px; }
  .hero-features { padding-inline: 12px; }
  .hero-features article { padding-inline: 5px; grid-template-columns: 27px minmax(0, 78px); column-gap: 8px; }
  .hero-features article:first-child { padding-left: 5px; }
  .hero-features i { width: 27px; font-size: 20px; }
  .hero-features strong { font-size: 12px; }
  .hero-features span { font-size: 9px; }
  .products { padding: 26px 0 36px; }
  .products .section-head > p { font-size: 12px; line-height: 1.55; }
  .products .section-head > a { font-size: 12px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
  .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .certificates { padding: 38px 0 42px; }
  .cert-layout { gap: 24px; }
  .cert-grid { gap: 12px; grid-template-rows: none; grid-auto-rows: auto; min-height: 0; }
  .cert-grid figure { height: 230px; grid-template-rows: minmax(0, 1fr) auto; }
  .cert-grid figure:nth-child(3) { grid-column: auto; height: 230px; }
  .cert-grid figcaption { height: auto; min-height: 48px; padding: 8px 4px; font-size: 11px; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
  .cert-copy > p:not(.section-kicker) { max-width: none; font-size: 13px; }
  .product-card { height: 210px; }
  .product-photo { height: 138px; }
  .stack-new-cartons { --carton-scale: 1.25; }
  .stack-new-cartons img:first-child { left: -2%; bottom: 3px; width: 68%; }
  .stack-new-cartons img:last-child { right: -2%; bottom: 3px; width: 68%; }
  .product-group-image { transform: scale(1.12); }
  .product-card:hover .product-group-image { transform: scale(1.12) translateY(-2px); }
  .card-body { height: 72px; padding: 10px 12px; }
  .card-body h3 { margin-bottom: 5px; font-size: 17px; }
  .card-body > span:not(.card-arrow) { padding-right: 18px; font-size: 10.5px; line-height: 1.35; white-space: normal; }
  .card-body > .card-arrow { right: 12px; top: 13px; font-size: 18px; }
  .stack-electronics img:first-child { left: 0; bottom: 6px; width: 95px; }
  .stack-electronics img:last-child { right: -1px; bottom: 6px; width: 90px; }
  .stack-cartons img:first-child { left: -7px; bottom: 8px; width: 112px; }
  .stack-cartons img:last-child { right: -2px; bottom: 8px; width: 86px; }
  .stack-foam img:first-child { left: 1px; bottom: 8px; width: 88px; }
  .stack-foam img:last-child { right: 2px; bottom: 8px; width: 78px; }
  .stack-other img:first-child { left: 0; bottom: 10px; width: 105px; }
  .stack-other img:last-child { right: 0; bottom: 10px; width: 110px; }
  .about-copy { padding: 34px 0 24px; }
  .about-copy h3 { margin-bottom: 14px; font-size: 14px; }
  .about-copy > p:not(.section-kicker) { margin-bottom: 18px; font-size: 13px; line-height: 1.75; text-align: left; }
  .about-copy .button { min-height: 38px; padding-inline: 18px; font-size: 12px; }
  .about-visual { height: 230px; }
  .about-visual img { object-position: center 42%; }
  .about-points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-points > div { min-height: 76px; grid-template-columns: 30px minmax(0, 1fr); padding: 10px 8px; }
  .about-points > div:nth-child(2) { border-right: 0; }
  .about-points > div:nth-child(-n+2) { border-bottom: 1px solid #dde5ea; }
  .about-points i { font-size: 20px; }
  .about-points strong { font-size: 12px; }
  .about-points span { font-size: 9px; white-space: normal; }
  .strength { padding: 34px 0; }
  .strength .section-head { margin-bottom: 18px; }
  .strength .section-head > p { font-size: 11px; line-height: 1.55; }
  .strength-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; }
  .strength-card { height: 190px; }
  .strength-card::after { inset: 38% 0 0; }
  .strength-label { right: 10px; bottom: 11px; left: 10px; }
  .strength-label b { min-height: 18px; margin-bottom: 6px; padding-inline: 6px; font-size: 8px; }
  .strength-label h3 { margin-bottom: 4px; font-size: 15px; }
  .strength-label p { font-size: 10px; line-height: 1.4; }
  .case-preview-card { display: block; }
  .case-photo { height: 210px; }
  .cases { padding: 38px 0 42px; }
  .cases .section-head { margin-bottom: 18px; }
  .case-grid { gap: 14px; }
  .case-preview-card > div:last-child { min-height: 74px; padding: 14px 16px 16px; }
  .case-grid h3 { font-size: 18px; }
  .case-grid p { font-size: 11px; }
  .contact::after { inset: 0; background-position: 67% center; }
  .contact::before { background: linear-gradient(180deg, rgba(3,37,53,.89) 0%, rgba(0,104,146,.88) 62%, rgba(3,38,53,.94) 100%); }
  .contact-inner { min-height: 344px; padding: 30px 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 10px; align-content: center; }
  .contact h2 { font-size: 24px; line-height: 1.3; }
  .contact-copy > span { font-size: 11px; line-height: 1.55; }
  .contact-copy .button { min-height: 42px; margin-top: 14px; font-size: 12px; }
  .contact-phone, .contact-service { min-height: 74px; padding: 9px 4px 9px 11px; gap: 9px; }
  .contact-phone > i, .contact-service > i { font-size: 21px; }
  .contact-phone > span, .contact-service > span { font-size: 10px; }
  .contact-phone strong { font-size: 14px; }
  .contact-phone small, .contact-service small { font-size: 8px; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-brand .brand-mark { width: 42px; height: 42px; }
  .footer-brand strong { font-size: 18px; }
  .site-footer nav { margin-top: 14px; flex-wrap: wrap; gap: 14px 18px; }
  .site-footer nav a { font-size: 11px; }
  .site-footer p { margin-top: 14px; font-size: 10px; line-height: 1.7; white-space: normal; }
  .footer-bottom { gap: 14px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01s !important; }
  .reveal, .stagger > * { opacity: 1; transform: none; }
}

/* Full-card navigation preserves existing image and caption layout. */
.clickable-media { position: relative; }
.media-navigation-link { position: absolute; inset: 0; z-index: 3; cursor: pointer; }
.media-navigation-link:hover { box-shadow: inset 0 0 0 2px #00a6d8; }
.media-navigation-link:focus-visible { outline: 3px solid #00a6d8; outline-offset: -3px; }