:where(main [id]){scroll-margin-top:5rem}:root{--v3-surface-bg:var(--background);--v3-surface-elevated:var(--surface-raised);--v3-surface-sunken:var(--surface-sunken);--v3-border:var(--border);--v3-text-primary:var(--foreground);--v3-text-secondary:var(--muted-foreground);--v3-text-muted:220 8% 58%;--v3-accent:var(--brand-accent);--v3-accent-text:28 78% 22%;--v3-focus:var(--ring);--v3-success:152 42% 30%;--v3-warning:38 78% 40%;--v3-conflict:0 68% 46%;--v3-radius-sm:0.375rem;--v3-radius-md:0.625rem;--v3-radius-lg:1rem;--v3-radius-pill:999px;--v3-container-narrow:40rem;--v3-container-content:72rem;--v3-container-wide:88rem;--v3-section-y:clamp(3.5rem,3vw + 2.5rem,7rem);--v3-section-y-tight:clamp(2.5rem,2vw + 2rem,4.5rem);--v3-type-display:clamp(2.25rem,1.6rem + 3vw,4.5rem);--v3-type-h1:clamp(1.875rem,1.5rem + 1.6vw,3rem);--v3-type-h2:clamp(1.5rem,1.3rem + 0.9vw,2.1rem);--v3-type-h3:clamp(1.125rem,1.05rem + 0.3vw,1.375rem);--v3-type-body:clamp(0.9375rem,0.9rem + 0.15vw,1.0625rem);--v3-type-label:0.8125rem;--v3-type-caption:0.75rem;--v3-shadow-sm:0 1px 2px hsl(222 30% 4%/0.06);--v3-shadow-md:0 4px 16px hsl(222 30% 4%/0.08);--v3-shadow-lg:0 12px 32px hsl(222 30% 4%/0.12);--v3-motion-fast:150ms;--v3-motion-base:240ms;--v3-motion-slow:420ms;--v3-ease-standard:cubic-bezier(0.2,0,0,1);--v3-ease-emphasized:cubic-bezier(0.3,0,0.1,1);--v3-z-base:0;--v3-z-sticky-header:50;--v3-z-floating-action:55;--v3-z-drawer:60;--v3-z-overlay:65;--v3-z-modal:70;--v3-z-toast:80;--v3-safe-top:env(safe-area-inset-top,0px);--v3-safe-bottom:env(safe-area-inset-bottom,0px)}.v3-obsidian{--v3-surface-bg:222 24% 6%;--v3-surface-elevated:222 20% 10%;--v3-surface-sunken:222 24% 5%;--v3-border:220 12% 18%;--v3-text-primary:40 12% 96%;--v3-text-secondary:220 8% 68%;--v3-text-muted:220 8% 50%;--v3-accent:28 58% 38%;--v3-accent-text:28 78% 68%;--v3-focus:40 12% 90%;--v3-success:152 38% 46%;--v3-warning:38 72% 54%;--v3-conflict:0 62% 56%;background:hsl(var(--v3-surface-bg));color:hsl(var(--v3-text-primary))}.v3-container{max-width:var(--v3-container-content)}.v3-container,.v3-container-wide{width:100%;margin-inline:auto;padding-inline:1rem}.v3-container-wide{max-width:var(--v3-container-wide)}.v3-container-narrow{width:100%;max-width:var(--v3-container-narrow);margin-inline:auto;padding-inline:1rem}.v3-section{padding-block:var(--v3-section-y)}.v3-section-tight{padding-block:var(--v3-section-y-tight)}.v3-display{font-size:var(--v3-type-display);line-height:1.05}.v3-display,.v3-h1{font-family:var(--font-display);letter-spacing:-.02em;font-weight:500}.v3-h1{font-size:var(--v3-type-h1);line-height:1.1}.v3-h2{font-size:var(--v3-type-h2);line-height:1.2;letter-spacing:-.015em}.v3-h2,.v3-h3{font-family:var(--font-display);font-weight:500}.v3-h3{font-size:var(--v3-type-h3);line-height:1.3;letter-spacing:-.01em}.v3-body{font-size:var(--v3-type-body);line-height:1.6}.v3-label{font-size:var(--v3-type-label);letter-spacing:.04em;text-transform:uppercase;font-weight:500}.v3-caption{font-size:var(--v3-type-caption);color:hsl(var(--v3-text-muted))}.v3-price{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:600}.v3-surface{background:hsl(var(--v3-surface-bg));color:hsl(var(--v3-text-primary))}.v3-surface-elevated{background:hsl(var(--v3-surface-elevated));border:1px solid hsl(var(--v3-border)/.7);border-radius:var(--v3-radius-md);box-shadow:var(--v3-shadow-sm)}.v3-focus-ring:focus-visible{outline:none;box-shadow:0 0 0 2px hsl(var(--v3-surface-bg)),0 0 0 4px hsl(var(--v3-focus))}.v3-card-hover{box-shadow:none}.v3-card-hover:hover{box-shadow:var(--v3-shadow-md)}.v3-motion-standard{transition-duration:var(--v3-motion-base);transition-timing-function:var(--v3-ease-standard)}@media (prefers-reduced-motion:reduce){.v3-motion-standard{transition:none!important}}.tra-cuu{--tra-bg:var(--background);--tra-surface:var(--card);--tra-surface-elevated:var(--surface-raised);--tra-surface-selected:var(--brand-accent-soft);--tra-border:var(--border);--tra-border-strong:222 16% 28%;--tra-text:var(--foreground);--tra-text-secondary:var(--muted-foreground);--tra-text-muted:220 8% 46%;--tra-primary:var(--primary);--tra-accent:var(--brand-accent);--tra-focus:var(--ring);--tra-success:152 42% 32%;--tra-warning:38 78% 42%;--tra-error:var(--destructive);--tra-unknown:220 8% 46%;--tra-disabled:220 8% 72%;--tra-role-tweeter:199 72% 42%;--tra-role-midrange:162 48% 32%;--tra-role-midbass:28 72% 38%;--tra-role-woofer:18 68% 36%;--tra-role-full:222 18% 36%;--tra-role-sub:262 42% 46%;--tra-role-height:198 36% 40%;--tra-role-dsp:348 48% 42%;--tra-role-amp:222 20% 22%}.tra-cuu-tech{--tra-bg:222 14% 10%;--tra-surface:222 16% 13%;--tra-surface-elevated:222 14% 16%;--tra-surface-selected:348 40% 16%;--tra-border:40 10% 42%;--tra-text:40 12% 96%;--tra-text-secondary:40 8% 72%}body[data-mobile-nav-open=true] [data-contact-launcher=public]{display:none}@media (max-width:639px){.section-pad{padding-block:2.25rem}.section-pad-tight{padding-block:2rem}}html.academy-no-select body{-webkit-user-select:none;-moz-user-select:none;user-select:none}html.academy-no-select [contenteditable=true],html.academy-no-select input,html.academy-no-select textarea{-webkit-user-select:text;-moz-user-select:text;user-select:text}.digital-passport-print{display:none}@media print{@page{size:A4;margin:16mm 16mm 18mm}body,html{background:#fff!important;color:#16181d!important}.digital-passport-card,.no-print,[aria-label="Liên hệ nhanh"],[data-contact-launcher],[data-site-footer],header:not(.digital-passport-print__masthead),nav{display:none!important}.digital-passport-print,.digital-passport-print footer,.digital-passport-print header{display:block!important}.digital-passport-print{color:#16181d;font-size:11pt;line-height:1.55;max-width:none}.digital-passport-print h1{font-size:18pt;font-weight:600;letter-spacing:-.02em;margin:.2em 0 .4em}.digital-passport-print h2{border-bottom:1px solid #c9a0a8;color:#6b2432;font-size:11pt;font-weight:600;letter-spacing:.08em;margin:1.4em 0 .55em;padding-bottom:.25em;text-transform:uppercase}.digital-passport-print h3{font-size:10.5pt;font-weight:600;margin:.8em 0 .35em}.digital-passport-print li,.digital-passport-print p{margin:.35em 0}.digital-passport-print ul{margin:.2em 0 .6em 1.1em;padding:0}.digital-passport-print__eyebrow{color:#6b2432;font-size:8.5pt;letter-spacing:.16em;margin:.8em 0 0;text-transform:uppercase}.digital-passport-print__meta,.digital-passport-print__note,.digital-passport-print__url{color:#4a4e57;font-size:9pt}.digital-passport-print__lead{font-size:12pt;font-weight:500;margin:.2em 0 .6em}.digital-passport-print table{border-collapse:collapse;width:100%}.digital-passport-print td,.digital-passport-print th{border-bottom:1px solid #e4e2df;padding:.35em 0;text-align:left}.digital-passport-print td{font-variant-numeric:tabular-nums;text-align:right}.digital-passport-print__masthead{border-bottom:1px solid #8a6a4a;margin-bottom:1em;padding-bottom:.8em}}.studio-metal-frame{border:1px solid hsl(40 16% 38%/.72);box-shadow:inset 0 1px 0 hsl(40 30% 72%/.12),0 0 0 1px hsl(222 30% 4%/.4)}.studio-popover{border:1px solid hsl(40 18% 44%/.75);background:hsl(222 26% 7%/.94);box-shadow:0 12px 32px hsl(222 40% 2%/.45),inset 0 1px 0 hsl(40 30% 70%/.14);backdrop-filter:blur(10px)}.studio-sq-fill{background:linear-gradient(90deg,hsl(348 52% 36%),hsl(40 42% 58%),hsl(40 18% 78%))}@keyframes studio-hotspot-pulse{0%,to{box-shadow:0 0 0 0 hsl(348 58% 48%/.55),inset 0 0 10px hsl(348 50% 40%/.25)}50%{box-shadow:0 0 0 9px hsl(348 58% 48%/0),inset 0 0 14px hsl(348 50% 46%/.35)}}.studio-hotspot-pulse{animation:studio-hotspot-pulse 1.6s ease-out infinite}.studio-budget-sheet{background:hsl(222 12% 12%/.96);backdrop-filter:blur(14px);border-bottom:none;border-left:none;border-right:none}.freude-studio-page{background-color:hsl(222 10% 12%);background-image:radial-gradient(118% 68% at 50% -8%,hsl(38 8% 24%/.32),transparent 54%),radial-gradient(90% 46% at 50% 108%,hsl(222 16% 6%/.5),transparent 68%),linear-gradient(180deg,hsl(222 11% 14%),hsl(222 13% 10%));color:hsl(40 12% 96%)}.freude-studio-stage{isolation:isolate;border-radius:1rem;border:1px solid hsl(40 12% 52%/.28);background-color:hsl(222 10% 14%);background-image:radial-gradient(ellipse 58% 48% at 50% 52%,hsl(38 7% 34%/.4),transparent 64%),radial-gradient(ellipse 108% 70% at 50% 108%,hsl(222 16% 7%/.7),transparent 58%),linear-gradient(180deg,hsl(222 9% 19%),hsl(222 12% 13%) 52%,hsl(222 14% 10%));box-shadow:inset 0 1px 0 hsl(40 18% 78%/.1),inset 0 -36px 52px hsl(222 16% 6%/.32),0 0 0 1px hsl(222 12% 8%/.28)}.freude-studio-stage--hero{height:10.75rem}.freude-studio-stage--technical{height:15.25rem;background-image:radial-gradient(ellipse 62% 52% at 50% 46%,hsl(40 6% 38%/.36),transparent 64%),radial-gradient(ellipse 100% 58% at 50% 110%,hsl(222 16% 7%/.62),transparent 55%),linear-gradient(180deg,hsl(222 9% 20%),hsl(222 11% 14%))}.freude-studio-stage__glow{pointer-events:none;position:absolute;inset:14% 16% 30%;background:radial-gradient(ellipse at 50% 55%,hsl(40 10% 72%/.07),transparent 72%)}.freude-studio-stage__floor{pointer-events:none;position:absolute;left:16%;right:16%;bottom:8%;height:22%;background:radial-gradient(ellipse at 50% 50%,hsl(222 18% 4%/.42),transparent 72%)}@media (min-width:640px){.freude-studio-stage--hero{height:14.5rem}.freude-studio-stage--technical{height:auto;min-height:18rem;aspect-ratio:16/9}}@media (min-width:1024px){.freude-studio-stage--hero{height:18.5rem}.freude-studio-stage--technical{min-height:22rem}}@media (max-width:390px){.freude-studio-stage--hero{height:10.5rem}.freude-studio-stage--technical{height:14.75rem}}.freude-studio-stage--catalog{height:12.5rem}@media (min-width:640px){.freude-studio-stage--catalog{height:20rem}}@media (min-width:1024px){.freude-studio-stage--catalog{height:26rem}}@media (prefers-reduced-motion:reduce){.studio-hotspot-pulse{animation:none;box-shadow:0 0 0 2px hsl(348 58% 48%/.45)}}