:root {
    --bg-primary: #f5f8fc;
    --bg-secondary: #eaf0f6;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f6fc;
    --accent: #2196F3;
    --accent-glow: rgba(33,150,243,0.15);
    --accent2: #e2b04a;
    --text-primary: #0a2a44;
    --text-secondary: #5a6a7a;
    --border: #d0e4f5;
    --border-hover: #2196F3;
    --success: #3fb950;
    --font-mono: 'Consolas','Courier New',monospace;
    --font-sans: 'Segoe UI',-apple-system,sans-serif;
    --nav-height: 72px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --radius: 6px;
    --transition: 0.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);font-weight:400;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--border-hover)}
img{max-width:100%;display:block}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);background:#ffffff;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 4px rgba(0,0,0,0.06);transition:var(--transition)}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.5)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;cursor:default;pointer-events:none}
.nav-logo-img{height:32px;width:auto;display:block}
.nav-logo-text{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--text-primary);letter-spacing:2px}
.nav-links{display:flex;align-items:center;list-style:none;gap:28px;margin:0;padding:0;flex:1;justify-content:center}
.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:0.95rem;font-weight:500;white-space:nowrap;padding:4px 0;transition:var(--transition);position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative}
.search-box input{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);padding:6px 32px 6px 12px;border-radius:var(--radius);font-size:0.85rem;width:160px;transition:var(--transition)}
.search-box input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.search-box .search-icon{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:0.85rem;opacity:0.5}
.lang-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--accent);padding:6px 14px;border-radius:var(--radius);font-size:0.8rem;font-weight:600;cursor:pointer;transition:var(--transition);font-family:var(--font-mono)}
.lang-btn:hover{border-color:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}
.hero{position:relative;min-height:65vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;background:linear-gradient(135deg,#e3f2fd 0%,#bbdefb 100%);overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 50%,rgba(33,150,243,0.1) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(33,150,243,0.06) 0%,transparent 50%)}
.hero-content{position:relative;z-index:1;max-width:800px}
.hero h1{font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:700;margin-bottom:20px;letter-spacing:-0.5px;color:#0a2a44}
.hero p{font-size:1.05rem;color:var(--text-secondary);margin-bottom:36px;line-height:1.9}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;background:var(--accent);color:#fff;padding:12px 32px;border-radius:var(--radius);font-size:0.95rem;font-weight:600;border:none;cursor:pointer;transition:var(--transition);letter-spacing:0.3px}
.btn-primary:hover{background:#2f7cd6;box-shadow:0 0 20px var(--accent-glow);transform:translateY(-1px)}
.btn-outline{display:inline-block;background:transparent;color:var(--accent);padding:12px 32px;border-radius:var(--radius);font-size:0.95rem;font-weight:600;border:1px solid var(--accent);cursor:pointer;transition:var(--transition);letter-spacing:0.3px}
.btn-outline:hover{background:rgba(59,139,235,0.1);box-shadow:0 0 12px var(--accent-glow)}
.section{padding:80px 24px}
.section-alt{background:#eaf0f6}
.container{max-width:1200px;margin:0 auto}
.section-title{font-size:1.8rem;font-weight:700;text-align:center;margin-bottom:48px;letter-spacing:0px;color:#2196F3 !important}
.section-title::after{content:'';display:block;width:48px;height:3px;background:var(--accent);margin:12px auto 0;border-radius:2px}
.highlights-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.highlight-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:var(--transition)}
.highlight-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.hl-num{font-family:var(--font-mono);font-size:2.2rem;font-weight:700;color:var(--accent);margin-bottom:8px}
.highlight-card h3{font-size:0.95rem;margin-bottom:6px}
.highlight-card p{color:var(--text-secondary);font-size:0.85rem}
.about-content{display:grid;gap:22px}
.about-text p{margin-bottom:14px;color:var(--text-secondary);font-size:0.95rem;line-height:1.8}
.about-milestones h3,.about-culture h3,.about-partners h3{font-size:1.1rem;margin-bottom:16px}
.timeline-h{display:flex;justify-content:space-between;align-items:flex-start;position:relative;padding:20px 0 40px;gap:8px}
.timeline-h::before{content:'';position:absolute;top:13px;left:40px;right:40px;height:2px;background:var(--accent);z-index:0}
.tl-node{flex:1;text-align:center;position:relative;z-index:1;min-width:100px}
.tl-dot{width:12px;height:12px;background:var(--accent);border:2px solid var(--bg-secondary);border-radius:50%;margin:0 auto 12px;position:relative;z-index:1}
.tl-node .tl-year{font-family:var(--font-mono);color:var(--accent);font-weight:700;font-size:0.9rem;margin-bottom:8px}
.tl-node .tl-desc{color:var(--text-secondary);font-size:0.8rem;line-height:1.7;margin-top:6px}
.culture-tags{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.culture-tags span{background:rgba(59,139,235,0.12);color:var(--accent);padding:6px 18px;border-radius:20px;font-size:0.9rem;font-weight:500}
.culture-en{color:var(--text-secondary);font-size:0.8rem;font-family:var(--font-mono);margin-top:8px}
.partner-orbit{position:relative;width:100%;max-width:640px;height:560px;margin:0 auto}
.partner-orbit svg{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}
.partner-orbit .orbit-card{position:absolute;transform:translate(-50%,-50%);text-align:center;z-index:2}
.orbit-card-inner{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:50%;width:58px;height:58px;padding:6px;transition:var(--transition);cursor:pointer}
.orbit-card-inner:hover{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow);transform:scale(1.1)}
.orbit-card-inner.center{width:80px;height:80px;border-color:var(--accent);border-width:2px}
.orbit-card-inner img{width:80%;height:80%;object-fit:contain;display:block;margin:auto;image-rendering:-webkit-optimize-contrast}
.orbit-card-inner span{color:#444;font-size:0.65rem;font-weight:500;line-height:1.2;word-break:break-all}
.orbit-card span.label{display:block;color:var(--text-secondary);font-size:0.6rem;margin-top:4px;max-width:70px}
.orbit-card.center-card span.label{color:var(--accent);font-weight:700;font-size:0.7rem}
.search-bar{text-align:center;margin-bottom:24px}
.search-bar input{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);padding:12px 20px;border-radius:var(--radius);font-size:1rem;width:100%;max-width:480px;transition:var(--transition)}
.search-bar input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}
.product-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.tab-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;font-size:0.82rem;cursor:pointer;transition:var(--transition);white-space:nowrap}
.tab-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.tab-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition);position:relative}
.product-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--transition)}
.product-card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,0.3)}
.product-card:hover::before{transform:scaleX(1)}
.product-card.hidden{display:none}
.product-img{width:100%;height:220px;background:#f5f5f5;border-radius:var(--radius) var(--radius) 0 0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:contain;display:block}
.product-img-placeholder{width:100%;height:220px;background:var(--bg-secondary);border:1px dashed var(--border);border-radius:var(--radius) var(--radius) 0 0;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:0.8rem;text-align:center;padding:12px}
.product-card h3{font-size:0.95rem;font-weight:600;margin:12px 0 2px;text-align:center}
.card-subtag{display:block;text-align:center;font-size:0.75rem;font-weight:400;color:var(--accent);margin-bottom:6px;letter-spacing:1px}
.product-card p{color:var(--text-secondary);font-size:0.82rem;line-height:1.6}
.no-results{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:1rem}
.careers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}
.career-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.career-card:hover{border-color:var(--accent)}
.career-card h3{font-size:1.1rem;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.job-count{font-size:0.8rem;font-weight:400;color:var(--accent);background:rgba(59,139,235,0.12);padding:3px 12px;border-radius:12px}
.career-toggle{background:transparent;border:1px solid var(--accent);color:var(--accent);padding:6px 18px;border-radius:var(--radius);cursor:pointer;font-size:0.85rem;transition:var(--transition);margin-bottom:12px}
.career-toggle:hover{background:var(--accent);color:#fff}
.career-detail{display:none;margin-top:8px}
.career-detail.open{display:block}
.career-card ul{list-style:none;padding:0}
.career-card li{color:var(--text-secondary);font-size:0.9rem;line-height:1.8;padding-left:16px;position:relative}
.career-card li::before{content:'';position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--accent);border-radius:50%}
.solution-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:var(--transition)}
.solution-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.solution-icon{font-size:2rem;margin-bottom:16px}
.solution-card h3{font-size:1.05rem;margin-bottom:10px}
.solution-card p{color:var(--text-secondary);font-size:0.9rem}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info h3{font-size:1.2rem;margin-bottom:6px}
.contact-info .en-sub{color:var(--text-secondary);font-size:0.85rem;font-family:var(--font-mono);margin-bottom:16px}
.contact-info p{color:var(--text-secondary);margin-bottom:8px;font-size:0.95rem}
.contact-form{display:flex;flex-direction:column;gap:14px}
.contact-form input,.contact-form textarea{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);padding:12px 16px;border-radius:var(--radius);font-size:0.95rem;font-family:var(--font-sans);transition:var(--transition)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.contact-form textarea{resize:vertical;min-height:100px}
footer{background:#fff;border-top:1px solid var(--border);padding:24px;text-align:center;color:var(--text-secondary);font-size:0.85rem}
@media(max-width:768px){
    .timeline-h{flex-direction:column;align-items:flex-start;gap:0}
    .timeline-h::before{top:0;bottom:0;left:5px;right:auto;width:2px;height:auto}
    .tl-node{display:flex;align-items:flex-start;text-align:left;gap:16px;padding:8px 0;min-width:0}
    .tl-dot{margin:4px 0 0 0;flex-shrink:0}
    .tl-node .tl-year{min-width:70px;margin-bottom:0}
    .tl-node .tl-desc{margin-top:0}
    .nav-links{display:none}
    .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--bg-primary);border-bottom:1px solid var(--border);padding:16px 24px;gap:16px}
    .menu-toggle{display:block}
    .search-box input{width:120px}
    .hero{min-height:50vh;padding-top:100px}
    .highlights-grid{grid-template-columns:1fr 1fr}
    .product-grid{grid-template-columns:repeat(3,1fr);gap:8px}
    .product-card{padding:8px;min-width:0;max-width:100%}
    .product-img{height:90px}
    .product-card h3{font-size:0.7rem;margin:6px 0 2px;word-break:break-word}
    .product-card p{font-size:0.6rem;line-height:1.3}
    .card-subtag{font-size:0.55rem}
    .solutions-grid{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr;gap:22px}
    .product-tabs{gap:6px}
    .tab-btn{padding:6px 12px;font-size:0.75rem}
    .partner-orbit{max-width:100%!important;transform:scale(0.45);transform-origin:top left;height:250px;margin-left:5%}
    .orbit-card span.label{font-size:0.45rem;max-width:45px}
}
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.75);z-index:2000;overflow-y:auto;padding:40px 20px}
.modal-overlay.open{display:flex;align-items:flex-start;justify-content:center}
.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;max-width:800px;width:100%;margin:auto;position:relative;animation:modalIn 0.25s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--text-secondary);font-size:1.8rem;cursor:pointer;z-index:1;line-height:1}
.modal-close:hover{color:var(--text-primary)}
.modal-body{padding:32px}
.modal-title{font-size:1.3rem;font-weight:700;margin-bottom:20px;color:var(--accent)}
.modal-img{width:100%;max-height:320px;object-fit:contain;background:#f5f5f5;border-radius:var(--radius);margin-bottom:24px;display:block}
.modal-table{width:100%;border-collapse:collapse;margin-bottom:16px}
.modal-table td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:0.9rem}
.modal-table td:first-child{color:var(--text-secondary);width:140px;font-weight:500}
.modal-table td:last-child{color:var(--text-primary)}
.product-card{cursor:pointer}
@media(max-width:480px){
    .highlights-grid{grid-template-columns:1fr}
    .solutions-grid{grid-template-columns:1fr}
    .search-box input{width:100px}
    .nav-actions{gap:8px}
    .lang-btn{padding:6px 10px}
}.milestones-img{width:100%;height:auto;display:block;margin-top:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.milestones-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.milestones-header h3{font-size:1.2rem;color:var(--accent)}.milestones-sub{font-size:0.85rem;color:var(--text-secondary)}.timeline-footer{text-align:center;color:var(--accent);font-size:1.05rem;font-weight:600;margin-top:32px;letter-spacing:1px;padding:16px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow)}