@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-vietnamese-wght-normal.XAtsl5Q_.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-ext-wght-normal.C4zznr8T.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-wght-normal.E0tuGl4L.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-vietnamese-wght-normal.D0rl6rjA.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-ext-wght-normal.D9tNdqV9.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-wght-normal.BhU9QXUp.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--color-brand-500:#1ec337;--color-brand-600:#149a2c;--color-brand-700:#0e7a22;--color-brand-100:#dcf6e1;--color-brand-050:#f2fbf4;--color-brand-glow:#5be87a;--color-ink-900:#0b1210;--color-ink-700:#3d4a41;--color-ink-500:#55635a;--color-ink-400:#8a968d;--color-line:#e4e9e5;--color-bg:#fff;--color-bg-alt:#f6f8f6;--color-dark:#0c1f12;--color-dark-line:#ffffff24;--color-error:#c0392b;--color-error-bg:#fbeeec;--color-success:#149a2c;--color-success-bg:#e4f8e8;--font-heading:"Space Grotesk", "Segoe UI", sans-serif;--font-body:"Archivo", "Segoe UI", sans-serif;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-md:1.125rem;--text-lg:1.375rem;--text-xl:1.75rem;--text-2xl:2.25rem;--text-3xl:3rem;--leading-tight:1.15;--leading-snug:1.35;--leading-normal:1.65;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--space-9:6rem;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-pill:999px;--shadow-sm:0 1px 3px #0b121014;--shadow-md:0 6px 24px #0b12101a;--shadow-lg:0 16px 48px #0b121029;--container:72.5rem;--container-narrow:47.5rem;--header-height:4.5rem;--focus-ring:0 0 0 3px #1ec33773}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}body{font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-ink-700);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-wrap:pretty;margin:0}h1,h2,h3,h4{font-family:var(--font-heading);color:var(--color-ink-900);line-height:var(--leading-tight);letter-spacing:0;margin:0 0 var(--space-4);text-wrap:balance}h1{font-size:var(--text-2xl);font-weight:700}h2{font-size:var(--text-xl);font-weight:700}h3{font-size:var(--text-lg);font-weight:600}h4{font-size:var(--text-md);font-weight:600}@media (width>=768px){h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}}p{margin:0 0 var(--space-4)}p:last-child{margin-bottom:0}a{color:var(--color-brand-600);text-underline-offset:2px;text-decoration-thickness:1px}a:hover{color:var(--color-brand-700)}img{max-width:100%;height:auto;display:block}ul,ol{margin:0 0 var(--space-4);padding-left:1.25em}li{margin-bottom:var(--space-2)}strong{color:var(--color-ink-900)}:focus-visible{box-shadow:var(--focus-ring);border-radius:var(--radius-sm);outline:none}.skip-link{left:var(--space-4);z-index:100;background:var(--color-ink-900);color:#fff;padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);transition:top .15s;position:absolute;top:-3.5rem}.skip-link:focus{top:var(--space-2)}.container{width:100%;max-width:var(--container);padding-inline:var(--space-4);margin-inline:auto}@media (width>=768px){.container{padding-inline:var(--space-6)}}.container--narrow{max-width:var(--container-narrow)}.section{padding-block:var(--space-7)}.section--alt{background:var(--color-bg-alt)}.section--dark{background:var(--color-dark)}.section--dark h2,.section--dark h3{color:#fff}.section--dark p{color:#ffffffc7}@media (width>=768px){.section{padding-block:var(--space-8)}}@media (width>=1024px){.section{padding-block:var(--space-9)}}.eyebrow{font-family:var(--font-heading);font-size:var(--text-xs);letter-spacing:0;text-transform:uppercase;color:var(--color-brand-600);margin-bottom:var(--space-3);font-weight:600;display:block}.section--dark .eyebrow{color:var(--color-brand-glow)}.lead{font-size:var(--text-md);color:var(--color-ink-500);max-width:42em}.section-head{max-width:42em;margin-bottom:var(--space-6)}.grid{gap:var(--space-5);display:grid}@media (width>=768px){.grid--2,.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{justify-content:center;align-items:center;gap:var(--space-2);font-family:var(--font-heading);font-size:var(--text-sm);letter-spacing:0;border-radius:var(--radius-pill);cursor:pointer;border:1px solid #0000;min-height:44px;padding:.875rem 1.5rem;font-weight:600;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.btn--primary{background:var(--color-brand-500);color:var(--color-ink-900)}.btn--primary:hover{background:var(--color-brand-glow);color:var(--color-ink-900)}.btn--dark{background:var(--color-ink-900);color:#fff}.btn--dark:hover{background:var(--color-dark);color:#fff}.btn--outline{color:var(--color-ink-900);border-color:var(--color-ink-900);background:0 0}.btn--outline:hover{background:var(--color-ink-900);color:#fff}.section--dark .btn--outline,.hero .btn--outline{color:#fff;border-color:#ffffff80}.section--dark .btn--outline:hover,.hero .btn--outline:hover{color:var(--color-ink-900);background:#fff}.btn[disabled],.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed}.site-header{z-index:50;backdrop-filter:blur(8px);border-bottom:1px solid var(--color-line);background:#fffffff0;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:var(--header-height);display:flex}.site-header__logo{flex:none;display:inline-flex}.site-header__logo img{width:auto;height:2.125rem}.site-nav,.site-header__cta{display:none}.nav-toggle{border:1px solid var(--color-line);border-radius:var(--radius-sm);cursor:pointer;width:44px;height:44px;color:var(--color-ink-900);background:0 0;justify-content:center;align-items:center;display:inline-flex}@media (width<=1199.98px){.site-nav[data-open=true]{border-bottom:1px solid var(--color-line);box-shadow:var(--shadow-md);padding:var(--space-4);max-height:calc(100vh - var(--header-height));background:#fff;display:block;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.site-nav[data-open=true] .site-nav__list{gap:var(--space-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.site-nav[data-open=true] a{padding:var(--space-3);border-radius:var(--radius-sm);color:var(--color-ink-900);font-weight:500;text-decoration:none;display:block}.site-nav[data-open=true] a:hover{background:var(--color-bg-alt)}}@media (width>=1200px){.nav-toggle{display:none}.site-nav{display:block}.site-nav__list{gap:var(--space-1);margin:0;padding:0;list-style:none;display:flex}.site-nav a{padding:var(--space-2) .625rem;border-radius:var(--radius-pill);color:var(--color-ink-700);font-size:var(--text-sm);font-weight:500;text-decoration:none;display:block}.site-nav a:hover{background:var(--color-bg-alt);color:var(--color-ink-900)}.site-nav a[aria-current=page]{background:var(--color-brand-050);color:var(--color-brand-700);font-weight:600}.site-header__cta{white-space:nowrap;padding-inline:var(--space-4);border-radius:var(--radius-sm);background:var(--color-brand-600);color:#fff;box-shadow:0 2px 0 var(--color-brand-700);display:inline-flex}.site-header__cta:hover{background:var(--color-brand-700);color:#fff}}.hero{background:var(--color-dark);color:#fff;position:relative;overflow:hidden}.hero__media{position:absolute;inset:0}.hero__media img{object-fit:cover;opacity:.42;width:100%;height:100%}.hero__media:after{content:"";background:linear-gradient(#0c1f128c 0%,#0c1f12d9 100%);position:absolute;inset:0}.hero__content{z-index:1;max-width:40em;padding-block:2.5rem;position:relative}.hero__content h1{color:#fff}.hero__content p{color:#ffffffd9;font-size:var(--text-md)}.hero__actions{gap:var(--space-3);margin-top:var(--space-5);flex-wrap:wrap;display:flex}.hero--page .hero__content{padding-block:var(--space-7)}@media (width>=1024px){.hero__content{padding-block:var(--space-9)}}.hero__badges{gap:var(--space-4);margin-top:var(--space-6);flex-wrap:wrap;display:flex}.badge{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:#ffffffe6;font-weight:500;display:inline-flex}.badge svg{color:var(--color-brand-glow);flex:none}.card{background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:var(--space-5)}.card--hover{transition:box-shadow .15s,transform .15s}.card--hover:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card__icon{border-radius:var(--radius-sm);background:var(--color-brand-100);width:44px;height:44px;color:var(--color-brand-700);margin-bottom:var(--space-4);justify-content:center;align-items:center;display:inline-flex}.card h3{margin-bottom:var(--space-2)}.card p{color:var(--color-ink-500);font-size:var(--text-sm)}.card .card__link{font-size:var(--text-sm);font-weight:600}.media-card{background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-md);color:inherit;flex-direction:column;text-decoration:none;transition:box-shadow .15s,transform .15s;display:flex;overflow:hidden}.media-card:hover{box-shadow:var(--shadow-md);color:inherit;transform:translateY(-2px)}.media-card__img{aspect-ratio:3/2;object-fit:cover;width:100%}.media-card__img--battery{object-position:50% 92%}.media-card__img--product{object-fit:contain;padding:var(--space-4);background:#f7f9f7}.media-card__body{padding:var(--space-5);gap:var(--space-2);flex-direction:column;display:flex}.media-card__meta{font-size:var(--text-xs);letter-spacing:0;text-transform:uppercase;color:var(--color-brand-600);font-weight:600}.media-card h3{font-size:var(--text-md);margin:0}.media-card p{font-size:var(--text-sm);color:var(--color-ink-500);margin:0}.check-list{margin:0 0 var(--space-4);padding:0;list-style:none}.check-list li{gap:var(--space-3);margin-bottom:var(--space-3);align-items:flex-start;display:flex}.check-list svg{color:var(--color-brand-600);flex:none;margin-top:3px}.section--dark .check-list svg{color:var(--color-brand-glow)}.section--dark .check-list li{color:#ffffffd9}.steps{counter-reset:step;margin:0;padding:0;list-style:none}.steps li{padding-left:3.5rem;padding-bottom:var(--space-6);counter-increment:step;position:relative}.steps li:before{content:counter(step, decimal-leading-zero);width:2.5rem;height:2.5rem;font-family:var(--font-heading);font-size:var(--text-sm);color:var(--color-brand-700);background:var(--color-brand-100);border-radius:var(--radius-pill);justify-content:center;align-items:center;font-weight:700;display:flex;position:absolute;top:0;left:0}.steps li:after{content:"";top:2.75rem;left:1.25rem;bottom:var(--space-2);background:var(--color-line);width:2px;position:absolute}.steps li:last-child{padding-bottom:0}.steps li:last-child:after{display:none}.steps h3{font-size:var(--text-md);margin-bottom:var(--space-1)}.steps p{font-size:var(--text-sm);color:var(--color-ink-500)}.table-wrap{border:1px solid var(--color-line);border-radius:var(--radius-md);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:var(--text-sm)}caption{text-align:left;padding:var(--space-4);color:var(--color-ink-900);font-weight:600;font-family:var(--font-heading)}th,td{text-align:left;padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-line)}thead th{background:var(--color-bg-alt);font-family:var(--font-heading);font-size:var(--text-xs);letter-spacing:0;text-transform:uppercase;color:var(--color-ink-500);border-top:0}tbody th{color:var(--color-ink-900);font-weight:600}.faq{border:1px solid var(--color-line);border-radius:var(--radius-md);overflow:hidden}.faq details+details{border-top:1px solid var(--color-line)}.faq summary{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);font-family:var(--font-heading);color:var(--color-ink-900);cursor:pointer;min-height:44px;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--color-brand-600);flex:none;font-size:1.25rem;transition:transform .15s}.faq details[open] summary:after{content:"−"}.faq details>div{padding:0 var(--space-5) var(--space-5);color:var(--color-ink-500);font-size:var(--text-sm)}.testimonial{background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:var(--space-5);gap:var(--space-4);flex-direction:column;display:flex}.testimonial blockquote{font-size:var(--text-sm);color:var(--color-ink-700);margin:0}.testimonial footer{align-items:center;gap:var(--space-3);display:flex}.testimonial cite{color:var(--color-ink-900);font-style:normal;font-weight:600;font-size:var(--text-sm)}.testimonial .stars{color:var(--color-brand-600);letter-spacing:0;font-size:var(--text-sm)}.form{gap:var(--space-4);display:grid}@media (width>=768px){.form--grid{grid-template-columns:repeat(2,1fr)}.form--grid .form-field--full{grid-column:1/-1}}.form-field{gap:var(--space-1);flex-direction:column;display:flex}.form-intro{color:var(--color-ink-500);margin:0}.form-field--honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.form-field label{font-size:var(--text-sm);color:var(--color-ink-900);font-weight:600}.form-field .hint{font-size:var(--text-xs);color:var(--color-ink-400)}.form-field input,.form-field select,.form-field textarea{font:inherit;font-size:var(--text-base);color:var(--color-ink-900);padding:.75rem var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius-sm);background:#fff;width:100%;min-height:44px}.form-field input:focus-visible,.form-field select:focus-visible,.form-field textarea:focus-visible{border-color:var(--color-brand-500);box-shadow:var(--focus-ring);outline:none}.form-field.is-invalid input,.form-field.is-invalid select,.form-field.is-invalid textarea{border-color:var(--color-error);background:var(--color-error-bg)}.form-field .field-error{font-size:var(--text-xs);color:var(--color-error);font-weight:500;display:none}.form-field.is-invalid .field-error{display:block}.form-consent{align-items:flex-start;gap:var(--space-3);flex-direction:row}.form-consent input{width:1.25rem;height:1.25rem;min-height:0;accent-color:var(--color-brand-600);flex:none;margin-top:2px}.form-consent label{font-weight:400;font-size:var(--text-sm);color:var(--color-ink-500)}.form-status{padding:var(--space-4);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500;display:none}.form-status.is-visible{display:block}.form-status--success{background:var(--color-success-bg);color:var(--color-brand-700);border:1px solid var(--color-brand-500)}.form-status--error{background:var(--color-error-bg);color:var(--color-error);border:1px solid var(--color-error)}.btn .spinner{display:none}.btn.is-loading .spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:1em;height:1em;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.breadcrumb{font-size:var(--text-sm);color:var(--color-ink-400);padding-block:var(--space-4)}.breadcrumb ol{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li{gap:var(--space-2);margin:0;display:flex}.breadcrumb li+li:before{content:"/";color:var(--color-line)}.breadcrumb a{color:var(--color-ink-500);text-decoration:none}.breadcrumb a:hover{color:var(--color-brand-600);text-decoration:underline}.cta-banner{background:var(--color-dark);border-radius:var(--radius-lg);padding:var(--space-6);gap:var(--space-5);flex-direction:column;display:flex}.cta-banner h2{color:#fff;margin-bottom:var(--space-2)}.cta-banner p{color:#ffffffc7;margin:0}@media (width>=768px){.cta-banner{padding:var(--space-7);flex-direction:row;justify-content:space-between;align-items:center}}.site-footer{background:var(--color-dark);color:#ffffffc7;font-size:var(--text-sm)}.site-footer__grid{gap:var(--space-6);padding-block:var(--space-7);display:grid}@media (width>=768px){.site-footer__grid{grid-template-columns:2fr 1fr 1fr 1.4fr}}.site-footer h2{color:#fff;font-size:var(--text-sm);letter-spacing:0;text-transform:uppercase;margin-bottom:var(--space-4)}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin-bottom:var(--space-2)}.site-footer a{color:#ffffffc7;text-decoration:none}.site-footer a:hover{color:var(--color-brand-glow);text-decoration:underline}.site-footer__logo img{width:auto;height:2rem;margin-bottom:var(--space-4)}.site-footer__certification{margin-top:var(--space-4)}.site-footer__bottom{gap:var(--space-3);padding-block:var(--space-4);border-top:1px solid var(--color-dark-line);font-size:var(--text-xs);color:#ffffff8c;flex-wrap:wrap;justify-content:space-between;display:flex}.stats{gap:var(--space-5);grid-template-columns:repeat(2,1fr);display:grid}@media (width>=768px){.stats{grid-template-columns:repeat(4,1fr)}}.stat{border-left:2px solid var(--color-brand-500);padding-left:var(--space-4)}.stat__value{font-family:var(--font-heading);font-size:var(--text-xl);color:var(--color-ink-900);font-weight:700}.section--dark .stat__value{color:#fff}.stat__label{font-size:var(--text-sm);color:var(--color-ink-500)}.section--dark .stat__label{color:#ffffffa6}.split{gap:var(--space-6);align-items:center;display:grid}@media (width>=1024px){.split{gap:var(--space-8);grid-template-columns:1fr 1fr}.split--reverse>.split__media{order:-1}}.split__media img{border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--shadow-md)}.split__media--battery img{object-position:50% 92%}.project-grid{gap:var(--space-4);display:grid}@media (width>=640px){.project-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.project-grid{grid-template-columns:repeat(3,1fr)}}.project-card{border-radius:var(--radius-md);position:relative;overflow:hidden}.project-card img{aspect-ratio:4/3;object-fit:cover;width:100%}.project-card figcaption{padding:var(--space-5) var(--space-4) var(--space-3);color:#fff;font-size:var(--text-sm);background:linear-gradient(#0000,#0b1210d1);font-weight:500;position:absolute;bottom:0;left:0;right:0}.project-card figcaption span{font-size:var(--text-xs);color:#ffffffb3;font-weight:400;display:block}.note{border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-bg-alt);padding:var(--space-4) var(--space-5);font-size:var(--text-sm);color:var(--color-ink-500)}