:root {
  --navy-950: #07182b;
  --navy-900: #0b223c;
  --navy-800: #123657;
  --navy-700: #1a4a70;
  --cyan: #19a9c4;
  --cyan-dark: #087d99;
  --cyan-soft: #e7f7f9;
  --red: #e45547;
  --ink: #142437;
  --muted: #5c6875;
  --bg: #f8f9f7;
  --soft: #eef2f3;
  --card: #ffffff;
  --line: #dfe5e8;
  --white: #ffffff;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --nav-h: 70px;
  --container: 1200px;
  --radius-s: 12px;
  --radius: 20px;
  --radius-l: 28px;
  --shadow-1: 0 8px 28px rgba(7, 24, 43, .06);
  --shadow-2: 0 20px 60px rgba(7, 24, 43, .12);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 18px); -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--font); font-size: 16px; line-height: 1.75; overflow-x: hidden; }
img { display: block; max-width: 100%; -webkit-user-drag: none; user-select: none; -webkit-touch-callout: none; }
a { color: inherit; text-decoration: none; }
button { border: 0; padding: 0; color: inherit; background: none; font: inherit; cursor: pointer; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { line-height: 1.25; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { color: var(--navy-950); background: #8ce7ef; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding-block: clamp(72px, 8vw, 112px); }
.section--soft { background: var(--soft); }
.section--white { background: var(--white); }
.grid-clear > * { min-width: 0; }

.reveal { opacity: 0; transform: translate3d(0, 28px, 0); transition: opacity .85s var(--ease), transform .85s var(--ease); transition-delay: var(--d, 0ms); }
.reveal.is-inview { opacity: 1; transform: translate3d(0, 0, 0); }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--cyan-dark); font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--cyan); }
.sec-head { max-width: 760px; margin-bottom: clamp(34px, 5vw, 58px); }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head--center .eyebrow::after { content: ""; width: 28px; height: 2px; background: var(--cyan); }
.sec-title { color: var(--navy-900); font-size: clamp(30px, 4vw, 46px); letter-spacing: -.025em; }
.sec-sub { max-width: 680px; margin-top: 16px; color: var(--muted); font-size: clamp(15px, 1.5vw, 17px); }
.sec-head--center .sec-sub { margin-inline: auto; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 650; transition: transform .35s var(--ease), box-shadow .35s, background .35s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--navy-900); box-shadow: 0 10px 28px rgba(11, 34, 60, .2); }
.btn-primary:hover { background: var(--navy-700); box-shadow: 0 15px 34px rgba(11, 34, 60, .26); }
.btn-secondary { color: var(--navy-900); border: 1px solid #b8c6cd; background: rgba(255,255,255,.55); }
.btn-secondary:hover { background: var(--white); }
.btn svg { flex: none; }

.nav { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--nav-h); color: var(--ink); background: rgba(248, 249, 247, .88); border-bottom: 1px solid rgba(20, 36, 55, .07); -webkit-backdrop-filter: saturate(170%) blur(20px); backdrop-filter: saturate(170%) blur(20px); transition: box-shadow .35s, background .35s; }
.nav.is-scrolled { background: rgba(255, 255, 255, .94); box-shadow: 0 8px 30px rgba(7, 24, 43, .07); }
.nav-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand img { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 17px; letter-spacing: .08em; }
.brand-text small { margin-top: 4px; color: #687581; font-size: 8.5px; font-weight: 650; letter-spacing: .13em; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a { position: relative; padding: 9px 16px; border-radius: 999px; color: #465564; font-size: 14px; font-weight: 550; transition: color .25s, background .25s; }
.nav-links a:hover { color: var(--navy-900); background: rgba(18, 54, 87, .06); }
.nav-links a.active { color: var(--cyan-dark); }
.nav-links a.active::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 14px; height: 2px; border-radius: 2px; background: var(--cyan); transform: translateX(-50%); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; min-width: 62px; padding-inline: 12px; border: 1px solid #cbd4d9; border-radius: 999px; font-size: 12px; font-weight: 700; transition: border-color .25s, background .25s; }
.lang-toggle:hover { border-color: var(--cyan); background: var(--cyan-soft); }
.lang-toggle svg { width: 15px; height: 15px; }
.nav-cta { min-height: 38px; padding: 8px 18px; font-size: 13px; }
.burger { display: none; position: relative; width: 40px; height: 40px; border-radius: 10px; }
.burger span, .burger::before, .burger::after { content: ""; position: absolute; left: 10px; width: 20px; height: 2px; border-radius: 2px; background: currentColor; }
.burger::before { top: 13px; }
.burger span { top: 19px; }
.burger::after { top: 25px; }
.drawer { position: fixed; inset: 0; z-index: 130; display: flex; flex-direction: column; justify-content: center; padding: 80px 30px 50px; background: rgba(248, 249, 247, .98); opacity: 0; visibility: hidden; transition: opacity .35s, visibility 0s .35s; }
.drawer.is-open { opacity: 1; visibility: visible; transition: opacity .35s; }
.drawer a { padding: 17px 4px; border-bottom: 1px solid var(--line); color: var(--navy-900); font-size: 25px; font-weight: 650; }
.drawer a small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .16em; }
.drawer-close { position: absolute; top: 18px; right: 20px; width: 42px; height: 42px; border: 1px solid #cbd4d9; border-radius: 50%; font-size: 20px; }
.drawer-note { margin-top: 28px; color: var(--cyan-dark); font-size: 13px; letter-spacing: .08em; }
.tabbar { display: none; }

.hero { position: relative; min-height: 780px; padding-top: var(--nav-h); display: flex; align-items: center; overflow: hidden; background: radial-gradient(900px 580px at 83% 44%, rgba(25,169,196,.14), transparent 65%), linear-gradient(145deg, #fbfcfa 0%, #f4f6f3 50%, #e9f0f1 100%); }
.hero::before { content: ""; position: absolute; width: 660px; height: 660px; right: -190px; top: 40px; border: 1px solid rgba(25,169,196,.18); border-radius: 50%; box-shadow: 0 0 0 70px rgba(25,169,196,.025), 0 0 0 140px rgba(25,169,196,.02); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: clamp(44px, 6vw, 82px); padding-block: 76px 90px; }
.hero-eyebrow { max-width: 600px; color: var(--cyan-dark); font-size: 12px; font-weight: 700; letter-spacing: .11em; }
.hero-title { margin-top: 22px; color: var(--navy-950); font-size: clamp(46px, 5.3vw, 72px); font-weight: 780; letter-spacing: -.055em; }
.hero-title span { color: var(--cyan-dark); }
.hero-desc { max-width: 580px; margin-top: 25px; color: var(--muted); font-size: clamp(16px, 1.5vw, 18px); line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-visual { position: relative; min-height: 510px; display: grid; place-items: center; }
.hero-orbit { position: absolute; width: 440px; height: 440px; border: 1px dashed rgba(8,125,153,.3); border-radius: 50%; animation: orbit 36s linear infinite; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 7px rgba(25,169,196,.12); }
.hero-orbit::before { top: 54px; left: 35px; width: 8px; height: 8px; }
.hero-orbit::after { right: 16px; bottom: 104px; width: 6px; height: 6px; }
@keyframes orbit { to { transform: rotate(360deg); } }
.hero-product { position: relative; z-index: 2; width: min(100%, 480px); border: 1px solid rgba(255,255,255,.85); border-radius: 34px; overflow: hidden; background: var(--white); box-shadow: 0 36px 80px rgba(7, 24, 43, .18); }
.hero-product img { width: 100%; aspect-ratio: 1.5; object-fit: contain; background: #e8edf3; }
.hero-product::after { content: ""; position: absolute; inset: 0; background: linear-gradient(140deg, rgba(255,255,255,.18), transparent 40%); pointer-events: none; }
.hero-float { position: absolute; z-index: 3; left: 18px; bottom: 18px; max-width: 245px; padding: 18px 22px; border: 1px solid rgba(255,255,255,.85); border-radius: 17px; color: var(--white); background: rgba(7,24,43,.91); box-shadow: var(--shadow-2); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.hero-float b { display: block; font-size: 16px; }
.hero-float span { display: block; margin-top: 4px; color: #a9c1d2; font-size: 11px; letter-spacing: .09em; }
.hero-cue { position: absolute; z-index: 4; bottom: 58px; left: 50%; display: flex; align-items: center; gap: 12px; color: #74838c; font-size: 10px; letter-spacing: .14em; transform: translateX(-50%); }
.hero-cue i { width: 38px; height: 1px; background: var(--cyan); }

.stats { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: -34px; border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,.9); box-shadow: var(--shadow-2); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.stat { position: relative; padding: 28px 24px; text-align: center; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 26%; width: 1px; height: 48%; background: var(--line); }
.stat-num { color: var(--navy-900); font-size: clamp(28px, 3.5vw, 42px); font-weight: 760; line-height: 1.1; letter-spacing: -.03em; }
.stat-num em { margin-left: 3px; color: var(--cyan-dark); font-size: .42em; font-style: normal; letter-spacing: 0; }
.stat-label { margin-top: 8px; color: var(--muted); font-size: 12px; letter-spacing: .06em; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(42px, 6vw, 76px); align-items: center; }
.about-media { position: relative; border-radius: var(--radius-l); overflow: hidden; background: #d5eef4; box-shadow: var(--shadow-2); }
.about-media > img { width: 100%; height: auto; aspect-ratio: 1.5; object-fit: contain; background: #e8edf3; }
.media-badge { position: absolute; left: 18px; right: 18px; bottom: 18px; padding: 13px 18px; border: 1px solid rgba(255,255,255,.25); border-radius: 13px; color: var(--white); background: rgba(7,24,43,.82); font-size: 13px; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.media-badge b { color: #70dce8; }
.about-body .sec-head { margin-bottom: 26px; }
.about-body > p { margin-top: 15px; color: var(--muted); font-size: 15px; }
.about-body > p b { color: var(--navy-800); font-weight: 650; }
.chip-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.chip { display: inline-flex; align-items: center; min-height: 34px; padding: 6px 14px; border: 1px solid #c6e3e8; border-radius: 999px; color: var(--cyan-dark); background: var(--cyan-soft); font-size: 12px; font-weight: 650; }
.chip:nth-child(even) { color: var(--navy-800); border-color: #d8e0e5; background: #f1f4f6; }

.scope-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scope-card { position: relative; min-height: 250px; padding: 30px 26px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); transition: transform .5s var(--ease), box-shadow .5s, border-color .5s; }
.scope-card:hover { transform: translateY(-7px); border-color: #b4dce3; box-shadow: var(--shadow-2); }
.scope-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; color: var(--cyan-dark); background: var(--cyan-soft); }
.scope-icon svg { width: 23px; height: 23px; }
.scope-card h3 { margin-top: 22px; color: var(--navy-900); font-size: 19px; }
.scope-card p { margin-top: 11px; color: var(--muted); font-size: 14px; }
.scope-index { position: absolute; right: 20px; top: 18px; color: #e4eaed; font-size: 42px; font-weight: 800; line-height: 1; }

.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.entry-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow-1); transition: transform .5s var(--ease), box-shadow .5s; }
.entry-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-2); }
.entry-media { overflow: hidden; background: #d9eef2; }
.entry-media img { width: 100%; aspect-ratio: 1.5; object-fit: contain; transition: transform .8s var(--ease); }
.entry-card:hover .entry-media img { transform: scale(1.045); }
.entry-body { display: flex; flex: 1; flex-direction: column; padding: 24px; }
.entry-body h3 { color: var(--navy-900); font-size: 20px; }
.entry-body p { margin-top: 11px; color: var(--muted); font-size: 14px; }
.entry-more { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 22px; color: var(--cyan-dark); font-size: 13px; font-weight: 700; }
.entry-more svg { transition: transform .3s var(--ease); }
.entry-card:hover .entry-more svg { transform: translateX(5px); }
.entry-footer { display: flex; justify-content: center; margin-top: 36px; }

.applications { position: relative; overflow: hidden; color: var(--white); background: var(--navy-950); }
.applications::after { content: ""; position: absolute; width: 600px; height: 600px; right: -180px; top: -250px; border-radius: 50%; background: radial-gradient(circle, rgba(25,169,196,.22), transparent 65%); }
.applications .sec-title { color: var(--white); }
.applications .sec-sub { color: #9fb2c3; }
.app-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid rgba(255,255,255,.11); border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,.11); }
.app-card { min-height: 160px; padding: 28px; background: #0b223c; transition: background .35s; }
.app-card:hover { background: #10304e; }
.app-card span { color: #5fcbd9; font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.app-card h3 { margin-top: 20px; font-size: 19px; font-weight: 600; }
.app-card p { margin-top: 6px; color: #8fa8bc; font-size: 12px; }

.license-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 7vw, 86px); align-items: center; }
.license-image { position: relative; max-width: 420px; margin-inline: auto; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #e5e4dc; box-shadow: var(--shadow-2); cursor: zoom-in; }
.license-image img { width: 100%; aspect-ratio: .75; object-fit: cover; transition: transform .7s var(--ease); }
.license-image:hover img { transform: scale(1.02); }
.license-image figcaption { position: absolute; left: 14px; right: 14px; bottom: 14px; display: flex; justify-content: space-between; gap: 10px; padding: 11px 15px; border-radius: 11px; color: var(--white); background: rgba(7,24,43,.82); font-size: 12px; }
.license-image figcaption span { color: #b4c5d2; }
.license-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px; }
.license-fact { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--white); }
.license-fact small { display: block; color: var(--muted); font-size: 11px; }
.license-fact b { display: block; margin-top: 5px; color: var(--navy-900); font-size: 16px; }

.contact-band { padding-block: 0 clamp(72px, 8vw, 110px); background: var(--white); }
.contact-band-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(32px, 5vw, 58px); border-radius: var(--radius-l); overflow: hidden; color: var(--white); background: linear-gradient(120deg, var(--navy-950), var(--navy-700)); }
.contact-band-inner::after { content: ""; position: absolute; right: -50px; width: 300px; height: 300px; border: 60px solid rgba(76,208,222,.08); border-radius: 50%; }
.contact-band h2 { position: relative; z-index: 1; max-width: 690px; font-size: clamp(25px, 3vw, 38px); }
.contact-band p { position: relative; z-index: 1; margin-top: 10px; color: #acc0d0; font-size: 14px; }
.contact-band .btn { position: relative; z-index: 1; flex: none; color: var(--navy-950); background: #73d8e3; box-shadow: none; }

.page-hero { position: relative; padding: calc(var(--nav-h) + 78px) 0 74px; overflow: hidden; background: radial-gradient(800px 420px at 85% 100%, rgba(25,169,196,.13), transparent 65%), linear-gradient(140deg, #f8faf8, #eaf0f1); }
.page-hero::after { content: ""; position: absolute; right: -100px; bottom: -240px; width: 470px; height: 470px; border: 1px solid rgba(25,169,196,.2); border-radius: 50%; }
.page-hero .sec-title { max-width: 840px; }
.page-hero .sec-sub { max-width: 720px; }

.series-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 30px; }
.series-tab { min-height: 46px; padding: 10px 20px; border: 1px solid var(--line); border-radius: 999px; color: var(--navy-800); background: var(--white); font-size: 14px; font-weight: 650; transition: color .3s, background .3s, border-color .3s, transform .3s; }
.series-tab small { margin-left: 7px; color: #81909c; font-size: 11px; font-weight: 500; }
.series-tab:hover { border-color: var(--cyan); transform: translateY(-2px); }
.series-tab.active { color: var(--white); border-color: var(--navy-900); background: var(--navy-900); box-shadow: 0 10px 26px rgba(11,34,60,.18); }
.series-tab.active small { color: #70d9e4; }
.series-feature { display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px; align-items: center; margin-bottom: 34px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-1); }
.series-feature img { width: 100%; aspect-ratio: 1.5; border-radius: 13px; object-fit: contain; }
.series-feature h2 { color: var(--navy-900); font-size: 26px; }
.series-feature h2 small { display: block; margin-top: 5px; color: var(--cyan-dark); font-size: 10px; font-weight: 650; letter-spacing: .15em; text-transform: uppercase; }
.series-feature p { margin-top: 12px; color: var(--muted); font-size: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow-1); transition: transform .5s var(--ease), box-shadow .5s; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.product-media { overflow: hidden; background: #d9eef2; }
.product-media img { width: 100%; aspect-ratio: 1.5; object-fit: contain; transition: transform .7s var(--ease); }
.product-card:hover .product-media img { transform: scale(1.04); }
.product-body { padding: 22px; }
.product-tag { display: inline-flex; padding: 4px 10px; border-radius: 999px; color: var(--cyan-dark); background: var(--cyan-soft); font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.product-name { margin-top: 13px; color: var(--navy-900); font-size: 20px; }
.product-name small { display: block; min-height: 30px; margin-top: 5px; color: #778590; font-size: 10px; font-weight: 500; line-height: 1.45; letter-spacing: .04em; }
.product-desc { margin-top: 12px; color: var(--muted); font-size: 13px; }
.products-note { display: flex; align-items: flex-start; justify-content: center; gap: 8px; max-width: 800px; margin: 30px auto 0; color: var(--muted); font-size: 12px; text-align: center; }
.products-note::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 8px; border-radius: 50%; background: var(--cyan); }

.contact-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 26px; align-items: start; }
.contact-main { padding: clamp(26px, 4vw, 42px); border: 1px solid var(--line); border-radius: var(--radius-l); background: var(--white); box-shadow: var(--shadow-1); }
.contact-main h2, .contact-side h2 { color: var(--navy-900); font-size: 23px; }
.address-block { margin-top: 25px; padding: 24px; border-radius: var(--radius); background: var(--soft); }
.address-label { display: flex; align-items: center; gap: 8px; color: var(--cyan-dark); font-size: 12px; font-weight: 700; }
.address-block p { margin-top: 12px; color: var(--navy-900); font-size: 16px; font-weight: 600; line-height: 1.85; }
.address-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.address-actions .btn { min-height: 42px; padding: 9px 18px; font-size: 13px; }
.company-details { display: grid; gap: 0; margin-top: 26px; }
.detail-row { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.detail-row:last-child { border-bottom: 0; }
.detail-row dt { color: var(--muted); }
.detail-row dd { margin: 0; color: var(--navy-900); font-weight: 550; }
.contact-side { display: grid; gap: 18px; }
.inquiry-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.inquiry-icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 17px; border-radius: 12px; color: var(--cyan-dark); background: var(--cyan-soft); }
.inquiry-card h3 { color: var(--navy-900); font-size: 18px; }
.inquiry-card p { margin-top: 8px; color: var(--muted); font-size: 13px; }
.contact-license { display: grid; grid-template-columns: 100px 1fr; gap: 20px; align-items: center; padding: 20px; border-radius: var(--radius); color: var(--white); background: var(--navy-900); cursor: zoom-in; }
.contact-license img { width: 100px; height: 128px; border-radius: 9px; object-fit: cover; }
.contact-license b { display: block; font-size: 16px; }
.contact-license span { display: block; margin-top: 5px; color: #9db5c8; font-size: 12px; }

.footer { padding: 44px 0 30px; color: #78858f; background: #e8eded; font-size: 12px; }
.footer-inner { display: grid; gap: 15px; text-align: center; }
.footer-brand { color: var(--navy-900); font-size: 15px; font-weight: 700; }
.footer-brand small { display: block; margin-top: 4px; color: #7d8c95; font-size: 9px; font-weight: 500; letter-spacing: .12em; }
.footer-slogan { color: var(--cyan-dark); font-size: 11px; letter-spacing: .16em; }
.footer-line { width: 100%; height: 1px; background: rgba(20,36,55,.1); }
.to-top { position: fixed; z-index: 90; right: 20px; bottom: 24px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--navy-900); box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .35s, visibility .35s, transform .35s; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 28px; background: rgba(4,16,29,.9); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); opacity: 0; visibility: hidden; transition: opacity .35s, visibility 0s .35s; }
.lightbox.is-open { opacity: 1; visibility: visible; transition: opacity .35s; }
.lightbox img { max-width: min(90vw, 760px); max-height: 85vh; border-radius: 14px; box-shadow: var(--shadow-2); transform: scale(.96); transition: transform .4s var(--ease); }
.lightbox.is-open img { transform: scale(1); }
.lightbox-close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: var(--white); font-size: 22px; }
.toast { position: fixed; z-index: 220; left: 50%; bottom: 34px; padding: 11px 22px; border-radius: 999px; color: var(--white); background: rgba(7,24,43,.94); box-shadow: var(--shadow-2); font-size: 13px; opacity: 0; visibility: hidden; transform: translate(-50%, 12px); transition: opacity .3s, transform .3s, visibility .3s; }
.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

@media (max-width: 1050px) {
  .nav-links { display: none; }
  .nav-actions { margin-left: auto; }
  .burger { display: block; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero-title { font-size: clamp(40px, 5.8vw, 58px); }
  .hero-visual { min-height: 430px; }
  .hero-orbit { width: 340px; height: 340px; }
  .hero-float { left: 0; bottom: 30px; }
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .tabbar { position: fixed; inset: auto 0 0; z-index: 110; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid rgba(20,36,55,.08); background: rgba(255,255,255,.94); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
  .tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 7px 0 6px; color: #85919a; font-size: 10px; }
  .tab-ico { width: 36px; height: 34px; display: grid; place-items: center; border-radius: 50%; transition: color .3s, background .3s, transform .3s; }
  .tab-ico svg { width: 20px; height: 20px; }
  .tabbar a.active { color: var(--cyan-dark); }
  .tabbar a.active .tab-ico { color: var(--navy-950); background: #73d8e3; transform: translateY(-2px); }
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .to-top { bottom: calc(74px + env(safe-area-inset-bottom)); }
  .toast { bottom: calc(76px + env(safe-area-inset-bottom)); }
}

@media (max-width: 760px) {
  :root { --nav-h: 64px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding-block: 64px; }
  .brand img { width: 35px; height: 35px; }
  .brand-text b { font-size: 15px; }
  .brand-text small { font-size: 7.5px; }
  .nav-inner { gap: 10px; }
  .nav-actions { gap: 4px; }
  .nav-cta { display: none; }
  .lang-toggle { min-width: 58px; height: 34px; padding-inline: 10px; }
  .hero-inner { grid-template-columns: 1fr; gap: 20px; padding-block: 34px 48px; }
  .hero-title { margin-top: 14px; font-size: clamp(34px, 10vw, 44px); }
  .hero-eyebrow { font-size: 10px; line-height: 1.7; }
  .hero-desc { margin-top: 16px; font-size: 14px; line-height: 1.75; }
  .hero-actions { margin-top: 22px; }
  .hero-actions .btn { flex: 1; min-width: 0; min-height: 46px; padding-inline: 14px; font-size: 14px; }
  .hero-visual { min-height: 285px; margin-top: 0; }
  .hero-orbit { width: 250px; height: 250px; }
  .hero-product { width: min(84%, 330px); border-radius: 22px; }
  .hero-product img { aspect-ratio: 1.5; }
  .hero-float { left: 12px; bottom: 12px; padding: 12px 15px; }
  .hero-float b { font-size: 13px; }
  .hero-float span { font-size: 9px; }
  .hero-cue { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -22px; }
  .stat { padding: 20px 10px; }
  .stat + .stat::before { display: none; }
  .stat:nth-child(even)::before { display: block; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .stat-num { font-size: 30px; }
  .about-grid, .license-grid, .contact-layout { grid-template-columns: 1fr; }
  .about-grid { gap: 36px; }
  .about-media > img { aspect-ratio: 1.5; }
  .about-body .sec-head { margin-bottom: 20px; }
  .scope-grid { grid-template-columns: 1fr; gap: 14px; }
  .scope-card { min-height: 0; padding: 25px 23px; }
  .entry-grid { grid-template-columns: 1fr; gap: 16px; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .app-card { min-height: 142px; padding: 22px 18px; }
  .app-card h3 { font-size: 16px; }
  .app-card p { font-size: 10px; }
  .license-grid { gap: 36px; }
  .license-image { max-width: 350px; }
  .license-facts { grid-template-columns: 1fr; }
  .contact-band-inner { align-items: flex-start; flex-direction: column; }
  .page-hero { padding: calc(var(--nav-h) + 48px) 0 50px; }
  .series-tabs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
  .series-tab { width: 100%; min-height: 56px; padding: 9px 8px; border-radius: 14px; font-size: 12px; line-height: 1.45; }
  .series-tab small { display: block; margin: 2px 0 0; }
  .series-tabs > *:last-child:nth-child(odd) { grid-column: span 2; }
  .series-feature { grid-template-columns: 1fr; gap: 18px; padding: 16px; }
  .series-feature h2 { font-size: 22px; }
  .product-grid { grid-template-columns: 1fr; gap: 16px; }
  .product-name small { min-height: 0; }
  .contact-main { padding: 22px 18px; }
  .address-block { padding: 20px 17px; }
  .address-block p { font-size: 14px; }
  .detail-row { grid-template-columns: 90px 1fr; gap: 12px; }
  .contact-license { grid-template-columns: 78px 1fr; }
  .contact-license img { width: 78px; height: 104px; }
  .footer { padding-bottom: 26px; }
  .footer-brand { font-size: 13px; }
  .footer-brand small { font-size: 8px; line-height: 1.6; }
  .lightbox { padding: 18px; }
}

@media (max-width: 380px) {
  .brand-text small { display: none; }
  .brand-text b { font-size: 14px; }
  .hero-actions { gap: 9px; }
  .hero-actions .btn { padding-inline: 10px; font-size: 13px; }
  .app-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
  .reveal { opacity: 1; transform: none; }
}
