@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-brand: #C23A35;--color-brand-muted: #E5E7EB;--color-brand-dark: #A11F1C;--color-ink: #111827;--color-ink-muted: #4B5563;--color-ink-light: #9CA3AF;--color-white: #FFFFFF;--color-surface: #F9FAFB;--color-border: #E5E7EB;--color-border-subtle: #F3F4F6;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: 1.25rem;--fs-xl: 1.5rem;--fs-2xl: 1.875rem;--fs-3xl: 2.25rem;--fs-4xl: 3rem;--fs-5xl: 4rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-32: 8rem;--space-40: 10rem;--container-max: 1200px;--header-h: 80px;--container-px: clamp(1.5rem, 5vw, 4rem);--section-py: clamp(5rem, 12vh, 10rem);--section-gap: var(--space-16);--radius-none: 0;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 8px;--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .03);--shadow-clinical: 0 20px 50px -10px rgba(0, 0, 0, .12), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-focus: 0 0 0 3px rgba(194, 58, 53, .15);--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-base: .4s cubic-bezier(.4, 0, .2, 1);--transition-slow: .7s cubic-bezier(.4, 0, .2, 1);--glass-bg: rgba(255, 255, 255, .03);--glass-bg-hover: rgba(255, 255, 255, .08);--glass-blur: 12px;--glass-border: rgba(255, 255, 255, .1)}.reveal-stagger{opacity:0;transform:translateY(30px);animation:revealUp 1s cubic-bezier(.16,1,.3,1) forwards;animation-delay:var(--delay, 0s)}@keyframes revealUp{to{opacity:1;transform:translateY(0)}}.reveal-grid{display:grid}.reveal-grid>*{opacity:0;transform:translateY(20px);animation:revealUp .6s cubic-bezier(.23,1,.32,1) 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var(--transition-fast)}img{max-width:100%;height:auto;display:block}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}.container{max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-px);width:100%}.section{padding-block:var(--section-py);position:relative}.section--subtle{background:var(--color-surface)}.section--brand{background:var(--color-ink);color:var(--color-white)}.section--brand h2,.section--brand h3{color:var(--color-white)}.text-brand{color:var(--color-brand)}.text-muted{color:var(--color-ink-muted)}.text-white{color:var(--color-white)}.kicker{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.15em;color:var(--color-brand);margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.kicker:before{content:"";width:12px;height:2px;background:currentColor;opacity:.4}.body-text-lg{font-size:var(--fs-md);color:var(--color-ink-muted);line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.75rem;font-size:var(--fs-sm);font-weight:700;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;transition:all var(--transition-base);gap:var(--space-2)}.btn-primary{background:var(--color-brand);color:var(--color-white)}.btn-primary:hover{background:var(--color-brand-dark);transform:translateY(-1px)}.btn-ink{background:var(--color-ink);color:var(--color-white)}.btn-ink:hover{background:#000;transform:translateY(-1px)}.btn-white{background:var(--color-white);color:var(--color-ink)}.btn-white:hover{background:var(--color-surface);transform:translateY(-1px)}.btn-outline{border-color:var(--color-border);background:transparent;color:var(--color-ink)}.btn-outline:hover{border-color:var(--color-ink);background:var(--color-ink);color:var(--color-white)}.btn--lg{padding:1rem 2.5rem;font-size:var(--fs-base)}[dir=rtl],[dir=rtl] .kicker,[dir=rtl] .btn{letter-spacing:0}.tech-scanline{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;background:linear-gradient(#12101000 50%,#0000000d 50%),linear-gradient(90deg,#ff000005,#00ff0003,#0000ff05);background-size:100% 2px,3px 100%;opacity:.15;mix-blend-mode:overlay}.tech-grain{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9998;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3联%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E")}.custom-cursor{position:fixed;top:0;left:0;width:8px;height:8px;background:var(--color-brand);border-radius:50%;pointer-events:none;z-index:10001;mix-blend-mode:difference}.custom-cursor-ring{position:fixed;top:0;left:0;width:32px;height:32px;border:1px solid var(--color-brand);border-radius:50%;pointer-events:none;z-index:10000;opacity:.5}@media(hover:none)and (pointer:coarse){.custom-cursor,.custom-cursor-ring,.tech-scanline{display:none}}.stv-header{position:fixed;top:0;inset-inline:0;z-index:1200;background:var(--color-white);border-bottom:1px solid var(--color-border);height:var(--header-h);display:flex;align-items:center;transition:all var(--transition-base)}.stv-header--scrolled{height:70px;background:#ffffffbf;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(0,0,0,.05);box-shadow:0 4px 30px #00000008}.stv-header--menu-open{background:var(--color-white)!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.stv-header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;position:relative;z-index:1200}.stv-header__logo{flex-shrink:0}.stv-header__logo img{height:36px;width:auto}.stv-header__nav{flex:1;display:flex;justify-content:center}.stv-header__nav-list{display:flex;align-items:center;gap:var(--space-8);list-style:none}.stv-header__nav-link{font-size:11px;font-weight:800;color:var(--color-ink-muted);text-transform:uppercase;letter-spacing:.15em;padding:var(--space-2) 0;border-bottom:2px solid transparent;transition:all var(--transition-fast)}.stv-header__nav-link:hover{color:var(--color-brand)}.stv-header__nav-link--active{color:var(--color-brand);border-bottom-color:var(--color-brand)}.stv-header__actions{display:flex;align-items:center;gap:var(--space-6)}.stv-header__lang-switcher{display:flex;gap:var(--space-2)}.stv-header__lang-btn{font-size:10px;font-weight:800;text-transform:uppercase;color:var(--color-ink-light);background:transparent;border:none;cursor:pointer;transition:color var(--transition-fast)}.stv-header__lang-btn:hover{color:var(--color-ink)}.stv-header__lang-btn--active{color:var(--color-brand)}.stv-header__cta{display:none}@media(min-width:1200px){.stv-header__cta{display:inline-flex}}.stv-header__hamburger{display:none;flex-direction:column;gap:4px;width:24px;background:transparent;border:none;cursor:pointer}.stv-header__hamburger span{width:100%;height:2px;background:var(--color-ink);transition:all var(--transition-base);transform-origin:center}.stv-header__hamburger--open span:nth-child(1){transform:translateY(6px) rotate(45deg)}.stv-header__hamburger--open span:nth-child(2){opacity:0}.stv-header__hamburger--open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.stv-header__mobile-backdrop{position:fixed;inset:0;background:#0006;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:1050;opacity:0;pointer-events:none;transition:opacity var(--transition-base)}.stv-header__mobile-backdrop--open{opacity:1;pointer-events:auto}.stv-header__mobile{position:fixed;inset:0;height:100dvh;background:var(--color-white);z-index:1100;display:flex;flex-direction:column;padding:calc(var(--header-h) + var(--space-12)) var(--container-px) var(--space-12);transform:translate(100%);transition:transform .6s cubic-bezier(.16,1,.3,1)}.stv-header--menu-open .stv-header__mobile{transform:translate(0)}.stv-header__mobile-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-6);flex:1;justify-content:center}.stv-header__mobile-link{font-size:clamp(2rem,8vw,2.5rem);font-weight:800;text-transform:uppercase;color:var(--color-ink-muted);display:flex;align-items:center;gap:var(--space-6);padding-block:var(--space-3);opacity:0;transform:translateY(20px);transition:all .4s cubic-bezier(.16,1,.3,1);position:relative}.stv-header--menu-open .stv-header__mobile-link{opacity:1;transform:translateY(0);transition-delay:calc(.2s + (var(--index) * .08s))}.stv-header__mobile-link--active{color:var(--color-ink);padding-left:var(--space-4)}.stv-header__mobile-link--active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--color-brand)}.mobile-link-num{font-size:var(--fs-md);color:var(--color-brand);opacity:.5;font-family:JetBrains Mono,monospace}.stv-header__mobile-actions{margin-top:auto;width:100%;opacity:0;transform:translateY(20px);transition:all .4s cubic-bezier(.16,1,.3,1)}.stv-header--menu-open .stv-header__mobile-actions{opacity:1;transform:translateY(0);transition-delay:.6s}.mobile-cta-full{width:100%;justify-content:center;padding-block:var(--space-5);font-size:var(--fs-lg)}@media(max-width:1024px){.stv-header__nav{display:none}.stv-header__hamburger{display:flex}}.stv-footer{background:var(--color-ink);color:var(--color-white);padding-top:var(--space-20);padding-bottom:var(--space-8);border-top:1px solid var(--color-ink)}.stv-footer__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-12);margin-bottom:var(--space-16)}.stv-footer__logo{margin-bottom:var(--space-6)}.stv-footer__tagline{font-size:var(--fs-md);font-weight:700;line-height:1.2;margin-bottom:var(--space-4);letter-spacing:-.01em}.stv-footer__brand-text{font-size:var(--fs-xs);color:var(--color-ink-light);line-height:1.6;max-width:240px}.stv-footer__col-title{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.15em;color:var(--color-brand);margin-bottom:var(--space-8);display:flex;align-items:center;gap:var(--space-2)}.stv-footer__col-title:after{content:"";width:6px;height:1px;background:currentColor;opacity:.5}.stv-footer__links,.stv-footer__contact-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-4)}.stv-footer__link{font-size:var(--fs-sm);color:#9ca3af;transition:color var(--transition-fast)}.stv-footer__link:hover{color:var(--color-white)}.stv-footer__link--icon{display:flex;align-items:center;gap:var(--space-3)}.stv-footer__link--accent{color:var(--color-white);font-weight:700}.stv-footer__distribution-line{font-size:11px;color:var(--color-brand);text-transform:uppercase;letter-spacing:.05em;margin-top:var(--space-2)}.stv-footer__disclaimers{border-top:1px solid rgba(255,255,255,.05);padding-top:var(--space-10);margin-bottom:var(--space-12);display:grid;grid-template-columns:2fr 1fr;gap:var(--space-12)}.stv-footer__legals-text{font-size:10px;color:var(--color-ink-light);line-height:1.8}.stv-footer__legals-text p{margin-bottom:var(--space-4)}.stv-footer__legal-title{font-weight:800;text-transform:uppercase;color:var(--color-white);margin-bottom:var(--space-2)!important}.stv-footer__legal-links{display:flex;flex-direction:column;gap:var(--space-2);align-items:flex-end}.stv-footer__legal-links a{font-size:11px;font-weight:600;color:#9ca3af}.stv-footer__legal-links a:hover{color:var(--color-white)}.stv-footer__bottom{padding-top:var(--space-8);border-top:1px solid rgba(255,255,255,.05)}.stv-footer__copyright{font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--color-ink-light)}@media(max-width:1024px){.stv-footer__grid{grid-template-columns:repeat(2,1fr)}.stv-footer__disclaimers{grid-template-columns:1fr}.stv-footer__legal-links{align-items:flex-start;flex-direction:row;gap:var(--space-6)}}@media(max-width:640px){.stv-footer__grid{grid-template-columns:1fr}}