/* 05 Bauhaus — geometric modern / EU graphic */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f7f7f5;--bg-2:#ffffff;--bg-3:#ecece8;--ink:#111111;--muted:#555555;--faint:#888;
  --line:#111111;--line-strong:#111111;
  --accent:#e31c25;--accent-2:#1d4ed8;--accent-dim:#f5c518;
  --radius:0;--pad:clamp(16px,3.5vw,56px);--max:1160px;--header-h:68px;
  --font-display:"Space Grotesk","Noto Sans TC",sans-serif;--font-body:"Noto Sans TC","Space Grotesk",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.6}
img{max-width:100%;display:block}a{color:inherit}ul{list-style:none}
.header{position:fixed;inset:0 0 auto;z-index:1000;height:var(--header-h);padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:3px solid #111}
.header.scrolled{box-shadow:none}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:1.25rem;text-transform:uppercase}
.logo img{width:28px;height:28px;object-fit:contain}.logo-text{font-weight:700}
.nav{flex:1;display:flex;justify-content:center}.nav ul{display:flex;flex-wrap:wrap;gap:0;justify-content:center;border:2px solid #111}
.nav li{border-right:2px solid #111}.nav li:last-child{border-right:0}
.nav li a{display:block;padding:8px 14px;color:#111;text-decoration:none;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;background:#fff}
.nav li a:hover{background:var(--accent-dim);color:#111}.nav li a::after{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:3px solid #111;font:700 .85rem/1 var(--font-display);text-transform:uppercase;letter-spacing:.04em;text-decoration:none;cursor:pointer;border-radius:0;transition:.15s}
.btn-primary{background:var(--accent);color:#fff;border-color:#111}.btn-primary:hover{background:var(--accent-2);color:#fff}
.btn-large{padding:16px 26px}.btn-outline,.btn-ghost,.btn-secondary{background:var(--accent-dim);color:#111;border-color:#111}.btn-secondary:hover{background:#111;color:#fff}
.hero{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;gap:0;padding:calc(var(--header-h) + 24px) var(--pad) 40px;align-items:stretch}
.hero-copy{border:3px solid #111;background:#fff;padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
.product-preview{border:3px solid #111;border-left:0;background:var(--accent-2);min-height:480px}
.product-preview-wrapper{height:100%;min-height:480px;border:0;border-radius:0;overflow:hidden;position:relative}
.product-preview-wrapper::after{content:"";position:absolute;top:18px;left:18px;width:48px;height:48px;background:var(--accent);border:3px solid #111;z-index:2}
.product-preview img{width:100%!important;height:100%!important;margin:0!important;object-fit:cover;filter:contrast(1.05)}
.hero-badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;padding:6px 10px;background:var(--accent-dim);border:2px solid #111;color:#111;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border-radius:0}
.hero-badge-dot{width:10px;height:10px;background:var(--accent);border:2px solid #111;border-radius:0}
.hero-title{font-family:var(--font-display);font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:700;line-height:1.02;letter-spacing:-.04em;margin-bottom:16px;text-transform:uppercase}
.hero-title-gradient{color:var(--accent);background:none;-webkit-text-fill-color:initial}
.hero-subtitle{color:var(--muted);margin-bottom:26px;font-size:1rem}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.features,.showcase,.workflow{padding:clamp(64px,9vw,100px) var(--pad)}
.section-header{max-width:var(--max);margin:0 auto 40px}
.section-tag,.showcase-tag{display:inline-block;background:#111;color:#fff;padding:4px 10px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.section-title,.showcase-title{font-family:var(--font-display);font-size:clamp(1.9rem,3.5vw,2.8rem);font-weight:700;text-transform:uppercase;letter-spacing:-.03em;margin-bottom:12px}
.section-subtitle,.showcase-desc{color:var(--muted);max-width:40em}
.features{background:#fff;border-top:3px solid #111;border-bottom:3px solid #111}
.features-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:3px solid #111}
.feature-card{padding:28px 22px;border-right:3px solid #111;border-bottom:3px solid #111;background:#fff}
.feature-card:nth-child(3n){border-right:0}.feature-card:nth-child(n+4){border-bottom:0}
.feature-card:hover{background:var(--accent-dim)}
.feature-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--accent-2);color:#fff;border:2px solid #111;margin-bottom:14px;border-radius:0}
.feature-icon svg{width:20px;height:20px}.feature-title{font-family:var(--font-display);font-weight:700;text-transform:uppercase;margin-bottom:8px}.feature-desc{color:var(--muted);font-size:.9rem}
.showcase-content{max-width:var(--max);margin:0 auto 28px;display:grid;grid-template-columns:1fr 1fr;gap:0;border:3px solid #111;background:#fff}
.showcase-content.reverse .showcase-text{order:2}.showcase-content.reverse .showcase-image{order:1}
.showcase-text{padding:36px 32px}.showcase-list{margin-top:18px;display:grid;gap:10px}.showcase-list li{display:flex;gap:10px;font-weight:500}
.showcase-list li svg{width:18px;height:18px;color:var(--accent);flex-shrink:0;margin-top:2px}
.showcase-image{border-left:3px solid #111;aspect-ratio:1/1;overflow:hidden;background:var(--accent-dim)}
.showcase-content.reverse .showcase-image{border-left:0;border-right:3px solid #111}
.showcase-image img{width:100%;height:100%;object-fit:cover}
.workflow{background:var(--accent-dim)}
.workflow-steps{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:3px solid #111}
.workflow-step{background:#fff;padding:28px 18px;border-right:3px solid #111}.workflow-step:last-child{border-right:0}.workflow-step::after{display:none}
.workflow-step:nth-child(1) .workflow-number{color:var(--accent)}.workflow-step:nth-child(2) .workflow-number{color:var(--accent-2)}.workflow-step:nth-child(3) .workflow-number{color:#111}.workflow-step:nth-child(4) .workflow-number{color:#b45309}
.workflow-number{font-family:var(--font-display);font-size:2.4rem;font-weight:700;line-height:1;margin-bottom:14px}
.workflow-title{font-family:var(--font-display);font-weight:700;text-transform:uppercase;margin-bottom:8px}.workflow-desc{color:var(--muted);font-size:.88rem}
.footer{background:#111;color:#f5f5f5;padding:56px var(--pad) 24px;border-top:3px solid #111}
.footer-content{max-width:var(--max);margin:0 auto 36px;display:flex;justify-content:space-between;gap:40px}
.footer-brand{max-width:420px}.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}.footer-desc{color:#bdbdbd;font-size:.9rem}
.footer-links{display:flex;gap:48px}.footer-column h4{font-family:var(--font-display);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer-column a{color:#bdbdbd;text-decoration:none}.footer-column a:hover{color:var(--accent-dim)}.footer-column li{margin-bottom:8px}
.footer-bottom{max-width:var(--max);margin:0 auto;padding-top:18px;border-top:2px solid #333;display:flex;justify-content:space-between}
.footer-copyright{color:#888;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}
.footer-social a{width:36px;height:36px;display:grid;place-items:center;border:2px solid #555;color:#ccc}.footer-social a svg{width:16px;height:16px}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.breadcrumbs{padding-top:calc(var(--header-h) + 24px)!important;max-width:var(--max)!important;margin:0 auto!important;padding-left:var(--pad)!important;padding-right:var(--pad)!important;font-size:.8rem;text-transform:uppercase;font-weight:700}
.breadcrumbs a{color:var(--muted);text-decoration:none}.page-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.8rem);font-weight:700;text-transform:uppercase}
.about-main,.contact-main{padding:calc(var(--header-h) + 24px) 0 80px}.about-section,.contact-section{padding:24px;margin-bottom:16px;border:3px solid #111;background:#fff}
.about-section h2{font-family:var(--font-display);text-transform:uppercase;margin-bottom:10px}.about-section p,.feature-list li,.page-desc{color:var(--muted)}
.videos-page{padding:calc(var(--header-h) + 40px) 0 80px}
@media (max-width:1100px){.nav{display:none}.hero{grid-template-columns:1fr}.product-preview{border-left:3px solid #111;border-top:0;min-height:280px}.product-preview-wrapper{min-height:280px}.features-grid,.workflow-steps{grid-template-columns:1fr 1fr}.feature-card:nth-child(2n){border-right:0}.feature-card:nth-child(3n){border-right:3px solid #111}.showcase-content,.showcase-content.reverse{grid-template-columns:1fr}.showcase-image,.showcase-content.reverse .showcase-image{border:0;border-top:3px solid #111}.showcase-content.reverse .showcase-text,.showcase-content.reverse .showcase-image{order:initial}}
@media (max-width:720px){.features-grid,.workflow-steps{grid-template-columns:1fr}.feature-card,.workflow-step{border-right:0!important}.workflow-step{border-bottom:3px solid #111}.workflow-step:last-child{border-bottom:0}.footer-content,.footer-bottom{flex-direction:column;gap:16px}}

.header-actions{display:flex;align-items:center;gap:16px}
.lang-switcher{position:relative}
.lang-current{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;border-radius:8px;padding:8px 12px;font-size:14px;cursor:pointer}
.lang-current:hover{background:rgba(255,255,255,.1)}
.lang-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);min-width:120px;background:#15201c;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:6px;z-index:50;box-shadow:0 12px 32px rgba(0,0,0,.35)}
.lang-dropdown.active{display:block}
.lang-option{display:block;width:100%;text-align:left;background:transparent;border:none;color:#d7e4de;padding:8px 10px;border-radius:8px;font-size:14px;cursor:pointer}
.lang-option:hover{background:rgba(0,212,170,.12);color:#fff}