:root{--ink-900: #0F1118;--ink-800: #1A1D2A;--ink-700: #252A3D;--ink-600: #343A52;--gold-500: #C9A84C;--gold-400: #D8BC6A;--gold-300: #E5CE8D;--gold-100: rgba(201, 168, 76, .1);--teal-500: #3A8A8A;--teal-400: #4CA3A3;--teal-100: rgba(58, 138, 138, .1);--warm-50: #F7F5F0;--warm-100: #EFEDE8;--warm-200: #E2DFD8;--warm-300: #D0CBC2;--text-light: #E8E6E1;--text-muted: #A8A49E;--text-dark: #1C1917;--text-soft: #57534E;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "Playfair Display", Georgia, serif;--font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;--section-py: 100px;--container-w: 1120px;--ease-out: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text-dark);background:var(--warm-50);overflow-x:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 24px}.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:64px;transition:background .3s var(--ease-out),backdrop-filter .3s var(--ease-out)}.site-nav.scrolled{background:#0f1118d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(232,230,225,.08)}.nav-brand{display:flex;align-items:baseline;gap:10px}.nav-brand-name{font-family:var(--font-sans);font-size:18px;font-weight:700;color:var(--text-light);letter-spacing:.02em}.nav-brand-dot{width:6px;height:6px;border-radius:50%;background:var(--gold-500)}.nav-links{display:flex;align-items:center;gap:4px;list-style:none}.nav-link{padding:8px 16px;font-size:14px;font-weight:500;color:var(--text-muted);border:none;background:none;border-radius:6px;transition:color .2s,background .2s}.nav-link:hover{color:var(--text-light);background:#ffffff0f}.nav-cta{padding:8px 20px;font-size:13px;font-weight:600;color:#fff;background:var(--gold-500);border:none;border-radius:6px;margin-left:12px;transition:background .2s,transform .2s}.nav-cta:hover{background:var(--gold-400);transform:translateY(-1px)}.lang-toggle{font-weight:700!important;letter-spacing:.04em;min-width:36px;text-align:center}.hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:center;justify-content:center;background:var(--ink-900);overflow:hidden}.hero-wave{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;opacity:.15}.hero-wave svg{width:100%;height:100%;max-width:1400px}.hero-wave-path{fill:none;stroke:var(--gold-500);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;animation:waveDrift 8s ease-in-out infinite alternate}@keyframes waveDrift{0%{d:path("M0,400 C160,400 160,200 320,200 C480,200 480,350 640,350 C800,350 800,150 960,150 C1120,150 1120,300 1280,300 C1440,300 1440,400 1600,400")}50%{d:path("M0,350 C160,350 160,250 320,250 C480,250 480,300 640,300 C800,300 800,200 960,200 C1120,200 1120,350 1280,350 C1440,350 1440,350 1600,350")}to{d:path("M0,400 C160,400 160,300 320,300 C480,300 480,200 640,200 C800,200 800,350 960,350 C1120,350 1120,250 1280,250 C1440,250 1440,400 1600,400")}}.hero-wave-path-2{fill:none;stroke:var(--gold-500);stroke-width:.8;opacity:.4;animation:waveDrift2 12s ease-in-out infinite alternate}@keyframes waveDrift2{0%{d:path("M0,300 C200,300 200,380 400,380 C600,380 600,160 800,160 C1000,160 1000,340 1200,340 C1400,340 1400,280 1600,280")}to{d:path("M0,280 C200,280 200,340 400,340 C600,340 600,200 800,200 C1000,200 1000,300 1200,300 C1400,300 1400,320 1600,320")}}.hero-content{position:relative;z-index:2;text-align:center;padding:0 24px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border:1px solid rgba(201,168,76,.25);border-radius:20px;font-size:12px;font-weight:500;color:var(--gold-400);margin-bottom:32px;letter-spacing:.06em;text-transform:uppercase}.hero-badge-dot{width:5px;height:5px;border-radius:50%;background:var(--gold-500);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.hero-title{font-size:clamp(36px,7vw,72px);font-weight:700;color:var(--text-light);letter-spacing:-.03em;line-height:1.1;margin-bottom:16px}.hero-title-accent{color:var(--gold-500)}.hero-sub{font-size:clamp(16px,2.5vw,22px);font-weight:400;color:var(--text-muted);margin-bottom:40px;letter-spacing:.02em}.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:600;color:#fff;background:var(--gold-500);border:none;border-radius:8px;transition:background .2s,transform .2s,box-shadow .2s}.btn-primary:hover{background:var(--gold-400);transform:translateY(-2px);box-shadow:0 8px 24px #c9a84c40}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:500;color:var(--text-light);background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:8px;transition:background .2s,border-color .2s}.btn-secondary:hover{background:#ffffff1a;border-color:#fff3}.hero-scroll-hint{position:absolute;bottom:32px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase;animation:bob 2s ease-in-out infinite}@keyframes bob{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(6px)}}.hero-scroll-line{width:1px;height:32px;background:linear-gradient(to bottom,var(--text-muted),transparent)}section{padding:var(--section-py) 0}.section-label{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}.section-title{font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:16px}.section-desc{font-size:17px;color:var(--text-soft);max-width:640px;line-height:1.7}.section-dark{background:var(--ink-800);color:var(--text-light)}.section-dark .section-desc{color:var(--text-muted)}.section-light{background:var(--warm-50)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:48px}.about-text{display:flex;flex-direction:column;gap:24px}.about-text p{font-size:16px;color:var(--text-soft);line-height:1.8}.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px}.stat-card{padding:24px;background:#fff;border:1px solid var(--warm-200);border-radius:10px;transition:transform .2s var(--ease-out),box-shadow .2s var(--ease-out)}.stat-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000000a}.stat-number{font-family:var(--font-display);font-size:32px;font-weight:700;color:var(--gold-500);line-height:1.1;margin-bottom:4px}.stat-label{font-size:13px;color:var(--text-soft);font-weight:500}.engines{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:48px}.engine-card{padding:40px;border-radius:12px;border:1px solid rgba(255,255,255,.06);background:#ffffff08;transition:transform .3s var(--ease-out),border-color .3s}.engine-card:hover{transform:translateY(-4px)}.engine-card.gold:hover{border-color:#c9a84c40}.engine-card.teal:hover{border-color:#3a8a8a40}.engine-icon-wrap{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px}.engine-icon-wrap.gold{background:#c9a84c1f;color:var(--gold-500)}.engine-icon-wrap.teal{background:#3a8a8a1f;color:var(--teal-400)}.engine-name{font-size:20px;font-weight:700;margin-bottom:8px}.engine-en{font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}.engine-en.gold{color:var(--gold-400)}.engine-en.teal{color:var(--teal-400)}.engine-desc{font-size:14px;color:var(--text-muted);line-height:1.8;margin-bottom:20px}.engine-tags{display:flex;flex-wrap:wrap;gap:8px}.engine-tag{padding:4px 12px;font-size:12px;font-weight:500;border-radius:4px}.engine-tag.gold{background:#c9a84c1a;color:var(--gold-300)}.engine-tag.teal{background:#3a8a8a1a;color:var(--teal-400)}.pipeline{margin-top:48px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}.pipeline-step{text-align:center;padding:28px 16px;border-radius:10px;background:#fff;border:1px solid var(--warm-200);position:relative;transition:transform .2s var(--ease-out),box-shadow .2s}.pipeline-step:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000000f}.pipeline-step-icon{width:40px;height:40px;margin:0 auto 12px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--gold-100);color:var(--gold-500)}.pipeline-step-num{font-family:var(--font-display);font-size:28px;font-weight:700;color:var(--warm-300);position:absolute;top:12px;right:14px;line-height:1}.pipeline-step-title{font-size:14px;font-weight:600;margin-bottom:6px}.pipeline-step-desc{font-size:12px;color:var(--text-soft);line-height:1.5}.pipeline-arrow{display:none}.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}.tech-card{padding:28px 20px;background:#fff;border:1px solid var(--warm-200);border-radius:10px;text-align:center;transition:transform .2s var(--ease-out),box-shadow .2s}.tech-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000000a}.tech-icon{font-size:28px;margin-bottom:10px}.tech-name{font-size:15px;font-weight:600;margin-bottom:4px}.tech-role{font-size:12px;color:var(--text-soft)}.faq-list{max-width:720px;margin:48px auto 0;display:flex;flex-direction:column;gap:12px}.faq-item{border:1px solid rgba(255,255,255,.06);border-radius:10px;overflow:hidden;transition:border-color .2s}.faq-item:hover{border-color:#ffffff1f}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;font-size:15px;font-weight:500;color:var(--text-light);background:none;border:none;text-align:left;gap:16px}.faq-question:hover{background:#ffffff08}.faq-icon{font-size:14px;color:var(--text-muted);flex-shrink:0;transition:transform .2s var(--ease-out)}.faq-item.open .faq-icon{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s var(--ease-out),padding .3s var(--ease-out);padding:0 24px;font-size:14px;color:var(--text-muted);line-height:1.7}.faq-item.open .faq-answer{max-height:300px;padding:0 24px 20px}.cta-banner{text-align:center;padding:80px 24px;background:linear-gradient(135deg,var(--ink-900) 0%,var(--ink-700) 100%);color:var(--text-light)}.cta-banner-title{font-size:clamp(24px,3vw,36px);font-weight:700;margin-bottom:12px}.cta-banner-desc{font-size:16px;color:var(--text-muted);margin-bottom:32px}.site-footer{padding:48px 0;background:var(--ink-900);border-top:1px solid rgba(255,255,255,.04)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:8px;color:var(--text-light);font-size:14px;font-weight:600}.footer-brand-dot{width:4px;height:4px;border-radius:50%;background:var(--gold-500)}.footer-copy{font-size:12px;color:var(--text-muted)}.footer-links{display:flex;gap:24px;list-style:none}.footer-link{font-size:12px;color:var(--text-muted);transition:color .2s}.footer-link:hover{color:var(--text-light)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:40px}.engines{grid-template-columns:1fr}.pipeline{grid-template-columns:repeat(3,1fr)}.tech-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){:root{--section-py: 60px}.site-nav{padding:0 16px}.nav-links{display:none}.pipeline,.tech-grid{grid-template-columns:1fr 1fr}.about-stats{grid-template-columns:1fr}.hero-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%;justify-content:center}}