:root{--page:#090d15;--surface:#121924;--line:#263243;--mint:#58e5b1;--text:#f2f6fa;--muted:#a8b5c6}body{background:var(--page);color:var(--text);font-family:Arial,"Microsoft Yahei",sans-serif;line-height:1.7}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px}a:hover{color:var(--mint)}.header{background:rgba(9,13,21,.95);backdrop-filter:blur(16px)}.header .container{max-width:1160px}.header-logo .text{display:none}.header-logo{width:115px;min-width:100px}.header-logo img{max-width:108px;object-fit:contain}.navbar{gap:22px}.navbar-item{font-size:14px}.navbar-item .icon{display:none}.navbar-item--service{border:1px solid var(--line);border-radius:8px;padding:8px 14px}.navbar-menu{background:var(--surface);border:1px solid var(--line);border-radius:12px}.container{max-width:1160px}.top-banner{padding:52px 0 0;text-align:center}.top-banner::before,.top-banner::after{display:none}.top-banner .title{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-1px}.top-banner .desc{margin:16px auto 0;font-size:17px;color:var(--muted);max-width:650px}.support-links{padding:24px 16px 0;gap:10px}.support-links a{padding:10px 18px;font-size:14px;border-color:var(--line);color:var(--text)}.support-links a:first-child{background:var(--mint);color:#08140f;border-color:var(--mint)}.panel{padding-top:42px;scroll-margin-top:90px}.panel-title{font-size:24px;font-weight:650;margin-bottom:18px}.panel-title span{color:var(--mint)}.energy-exchange-box{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:0}.energy-exchange{background:transparent;border-radius:18px;overflow:hidden}.energy-primary{display:grid;grid-template-columns:1fr 1fr;gap:0}.energy-primary::before{display:none}.energy-box{padding:28px;min-width:0}.energy-box+.energy-box{border-inline-start:1px solid var(--line)}.energy-title,.energy-title-2{font-size:16px;font-weight:600;margin-bottom:20px;color:var(--muted);white-space:normal}.energy-title::before,.energy-title::after{display:none}.energy-item{margin-bottom:22px}.energy-item-title{font-size:13px;color:var(--muted);margin-bottom:10px}.energy-item-group{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.energy-item-input{height:48px;padding:10px 12px;border:1px solid #364258;border-radius:9px;background:#0b111c;color:var(--text);font-size:18px}.energy-item-input--energy{width:90px;text-align:center}.energy-item-input--select{width:auto;max-width:100%;font-size:15px;flex:1;min-width:170px}.energy-item-sep{font-size:13px;color:var(--muted)}.energy-item-number{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.energy-item-number .trx{font-size:40px;font-weight:700;line-height:1.2}.primary{color:var(--mint)}.energy-item-number .unit{font-size:16px}.energy-item-number .address{font-family:Consolas,monospace;font-size:13px;overflow-wrap:anywhere;word-break:break-all;line-height:1.8}.copy{display:inline-block;flex:0 0 32px;width:32px;height:32px;border:1px solid var(--line);border-radius:7px;background-color:transparent;background-size:16px;cursor:pointer;margin:0}.energy-item-tips{margin-top:10px;font-size:12px;line-height:1.8;color:var(--muted)}.inline-help{display:inline-block;color:var(--mint);text-decoration:underline}.availability-note{color:var(--muted);font-size:12px;line-height:1.8;border-inline-start:2px solid #40536d;padding-inline-start:12px}.energy-info{background:rgba(9,13,21,.4);padding:20px 28px;border-top:1px solid var(--line)}.energy-info-title{font-size:14px;margin-bottom:10px;font-weight:600}.energy-info-title::before{display:none}.energy-info ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.energy-info li{max-width:none;font-size:12px;color:var(--muted);padding-inline-start:0}.energy-info li::before{display:none}.exchange-panel{border:1px solid var(--line);background:var(--surface);border-radius:18px;overflow:hidden}.exchange-tips{padding:16px 24px;font-size:14px;color:var(--muted)}.exchange-primary{padding:8px 28px 24px;display:grid;grid-template-columns:1fr 1fr;gap:28px}.exchange-group{min-width:0}.exchange-group .energy-item{min-width:0}.exchange-group .energy-item-input{width:100%;min-width:0}.exchange-icon{width:26px;height:26px;margin:0 10px}.exchange-address{margin:0;padding:0;min-width:0}.exchange-address::before{display:none}.energy-info-desc{font-size:13px;line-height:1.8;color:var(--muted)}.service-facts{padding-top:42px}.service-facts>h2{font-size:20px;font-weight:600;margin-bottom:16px}.fact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.fact-grid>div{border-top:1px solid var(--line);padding-top:14px;min-width:0}.fact-grid span{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.fact-grid strong{display:block;font-size:14px;text-align:start;font-weight:600}.fact-grid p{font-size:13px;color:var(--text);margin:0}.guide-preview{padding-top:48px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2,.service-terms h2{font-size:24px;font-weight:600;line-height:1.4}.section-heading p{font-size:13px;color:var(--muted);margin-top:8px}.section-heading>a{color:var(--mint);font-size:13px;white-space:nowrap}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.reading-card{display:block;position:relative;padding:22px 22px 35px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--text);text-decoration:none;transition:border-color .15s,transform .15s;min-width:0}.reading-card:hover{border-color:var(--mint);transform:translateY(-2px);color:var(--text)}.reading-card h3{font-size:16px;font-weight:600;line-height:1.6;margin:0 0 12px}.reading-card p{font-size:12px;line-height:1.8;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.reading-card>span{position:absolute;bottom:12px;inset-inline-end:18px;color:var(--mint)}.service-terms{padding-top:36px}.service-terms h2{font-size:18px;margin-bottom:12px}.service-terms p{font-size:13px;color:var(--muted);margin:8px 0;max-width:900px}.service-terms a{font-size:13px;color:var(--mint)}.faq-panel{display:block}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 20px;margin-bottom:10px}.faq-item summary{font-size:15px;line-height:1.6}.faq-item p{font-size:13px;line-height:1.9;color:var(--muted);max-width:950px}.about-panel{padding-bottom:40px}.about-panel h3{font-size:20px;margin:0 0 16px;text-align:start;padding:0}.about-panel p{font-size:13px;text-indent:0;line-height:1.9;color:var(--muted);margin:12px 0}.about-panel ul{margin:22px 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}.about-panel li{padding:20px}.about-header{font-size:15px}.about-header i{display:none}.about-desc{font-size:12px;line-height:1.9;color:var(--muted)}.footer{border-top:1px solid var(--line);background:var(--page);padding-top:18px}.footer .copyright p{font-size:12px;color:var(--muted)}.friend-links{font-size:12px}.copy-feedback{border:1px solid var(--line);background:var(--surface);color:var(--text)}
/* Editorial pages */
.guide-body{margin:0;font:16px/1.8 Arial,"Microsoft Yahei",sans-serif}.guide-body *{box-sizing:border-box}.guide-body a{color:var(--mint);text-decoration:none}.guide-body a:hover{text-decoration:underline}.content-header{max-width:1160px;margin:auto;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.wordmark{font-size:26px;font-weight:800;color:var(--text)!important;letter-spacing:-1px}.wordmark span{color:var(--mint)}.content-header nav{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:12px}.content-header nav a{color:var(--muted)}.reading-wrap{max-width:1040px;margin:0 auto;padding:28px 24px 48px}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.reading-hero{max-width:800px;padding:32px 0 24px}.reading-hero h1{font-size:36px;line-height:1.35;letter-spacing:-.7px;margin:10px 0 18px;font-weight:700}.reading-hero>p:not(.eyebrow):not(.meta){font-size:16px;color:var(--muted);line-height:1.9}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--mint);font-weight:700;margin:0}.meta{font-size:12px;color:var(--muted)}.reading-section{margin:28px 0}.reading-section h2,.reading-note h2{font-size:20px;margin:0 0 16px;font-weight:600}.guide-steps{list-style:none;margin:0;padding:0;max-width:800px}.guide-steps li{display:flex;align-items:flex-start;gap:16px;padding:22px 0;border-top:1px solid var(--line)}.step-count{display:grid;place-items:center;flex:0 0 32px;height:32px;border-radius:50%;background:#15372e;color:var(--mint);font-weight:700;font-size:14px}.guide-steps p{margin:0;font-size:15px;line-height:1.95}.reading-note{border-inline-start:3px solid var(--mint);background:var(--surface);padding:22px 24px;max-width:800px;border-radius:0 10px 10px 0}.reading-note p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.source-list{padding-inline-start:20px;font-size:13px}.source-list li{margin:8px 0}.reading-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;padding:22px 0;font-size:14px;border-top:1px solid var(--line)}.solid-link{display:inline-flex;background:var(--mint);color:#08140f!important;padding:10px 18px;border-radius:9px;font-weight:600}.all-guides{display:inline-block;font-size:14px;margin-top:20px}.content-footer{max-width:1160px;margin:auto;padding:22px 24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:22px;font-size:13px}.content-footer a{color:var(--muted)}[dir="rtl"] .reading-hero h1{letter-spacing:0}[dir="rtl"] .reading-note{border-radius:10px 0 0 10px}bdi{unicode-bidi:isolate}.content-header nav a[lang="ar"]{direction:rtl}
@media(max-width:1000px){.navbar-item.only-pc{display:none}.top-banner .title{font-size:36px}.header-logo{height:36px}.top-banner{padding-top:34px}.energy-item-group{gap:8px}.energy-box{padding:22px}.energy-info{padding:18px 22px}.reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fact-grid{gap:14px}.reading-hero h1{font-size:30px}.reading-card h3{font-size:15px}}
@media(max-width:640px){.container{padding-inline:18px}.header .container{height:64px}.header-logo{width:100px;min-width:80px}.header-logo img{max-width:95px}.navbar{gap:12px}.navbar-item{font-size:13px}.navbar-item--service{padding:7px 10px}.top-banner{padding-top:30px}.top-banner .title{font-size:30px;letter-spacing:-.5px}.top-banner .desc{font-size:14px;max-width:350px}.support-links{flex-direction:row;padding-top:20px}.support-links a{width:auto;font-size:12px;padding:9px 12px}.support-links a:first-child{flex:1 1 auto}.panel{padding-top:30px}.panel-title{font-size:21px}.energy-primary{grid-template-columns:1fr}.energy-box{padding:20px}.energy-box+.energy-box{border-inline-start:0;border-top:1px solid var(--line)}.energy-title{font-size:15px;margin-bottom:16px}.energy-item{margin-bottom:18px}.energy-item-number .trx{font-size:36px}.energy-item-number .address{font-size:12px}.energy-info{padding:18px 20px}.energy-info ul{grid-template-columns:1fr;gap:8px}.exchange-primary{grid-template-columns:1fr;gap:20px;padding:0 20px 22px}.exchange-group{width:100%;display:flex}.exchange-group .energy-item{flex:1}.exchange-group .energy-item:nth-child(2){flex:0 0 auto}.exchange-icon{width:22px;margin:0 8px}.exchange-tips{font-size:12px;padding:16px 20px}.energy-info-title{font-size:14px}.service-facts{padding-top:30px}.fact-grid{grid-template-columns:1fr}.fact-grid>div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px;padding-top:10px}.fact-grid strong,.fact-grid p{font-size:12px}.fact-grid span{font-size:12px}.section-heading{display:block}.section-heading h2{font-size:21px}.section-heading>a{display:inline-block;margin-top:10px}.guide-preview{padding-top:32px}.reading-grid{grid-template-columns:1fr}.reading-card{padding:18px 20px 28px}.reading-card p{-webkit-line-clamp:2}.service-terms{padding-top:28px}.faq-item{padding:10px 16px}.faq-item summary{font-size:14px}.faq-item p{font-size:12px}.about-panel h3{font-size:17px}.about-panel li{padding:18px}.content-header{align-items:flex-start;padding:16px 18px;gap:16px}.content-header nav{justify-content:flex-end;gap:5px 12px;font-size:11px}.reading-wrap{padding:20px 18px 32px}.reading-hero{padding:24px 0 18px}.reading-hero h1{font-size:27px}.reading-hero>p:not(.eyebrow):not(.meta){font-size:14px}.guide-steps p{font-size:14px}.guide-steps li{gap:12px;padding:18px 0}.reading-note{padding:18px}.reading-note p{font-size:13px}.reading-section h2{font-size:18px}.content-footer{padding:20px 18px;gap:12px 20px}.source-list{font-size:12px;overflow-wrap:anywhere}}
.compact-about{padding:0 0 28px}.compact-about>summary{cursor:pointer;color:var(--muted);font-size:14px;padding:14px 0;border-top:1px solid var(--line)}.compact-about[open]>summary{margin-bottom:18px}.compact-about>summary:hover{color:var(--mint)}
html[dir="rtl"] .energy-item-number{direction:ltr;justify-content:flex-end}html[dir="rtl"] .energy-item-number .address{direction:ltr;text-align:left}

.support-links{display:flex;flex-direction:row;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px}.support-links a,.support-links a:first-child{flex:0 1 auto;min-width:140px;width:auto;min-height:44px;padding:10px 20px;display:inline-flex;justify-content:center;align-items:center;background:var(--surface);color:var(--mint);border:1px solid var(--mint);border-radius:10px;font-size:14px;font-weight:500}.support-links a:hover{background:#18352d;filter:none}@media(max-width:480px){.support-links a,.support-links a:first-child{min-width:130px;padding:10px 14px;font-size:13px}}

.header-logo{display:flex;align-items:center;gap:10px;width:auto;min-width:0;height:48px;overflow:visible}.header-logo .logo{position:static;flex:0 0 auto;width:100px;height:36px;max-width:100px;object-fit:contain}.header-logo .text{display:block;padding:0;font-size:15px;font-weight:600;white-space:nowrap;color:var(--text)}@media(max-width:640px){.header-logo{gap:6px;height:36px;max-width:55%;margin-right:6px}.header-logo .logo{width:72px;max-width:72px;height:30px}.header-logo .text{display:block;padding:0;font-size:12px;min-width:0;max-width:105px;overflow:hidden;text-overflow:ellipsis}.header .container{gap:8px}.navbar{flex-shrink:0;gap:4px}.navbar-item{padding-inline:5px}}

@media(max-width:640px){.header-logo{flex:1 1 0;max-width:none;overflow:hidden}.header-logo .text{flex:1 1 0;min-width:0}.header-logo .logo{flex:0 0 72px}.header .navbar{flex:0 0 auto}html:not([lang="zh-CN"]) .header-logo .text{max-width:100px}}

@media(max-width:640px){.navbar-menu{left:auto;right:0;transform:translateY(8px);max-width:calc(100vw - 36px)}.navbar-menu.in{transform:translateY(0)}html[dir="rtl"] .navbar-menu{right:auto;left:0}}

/* Restore the original wordmark caption position beside the lower logo edge. */
.header-logo{position:relative;display:block;flex:0 0 auto;width:160px;min-width:160px;height:48px;overflow:hidden;margin-right:12px}.header-logo .logo{position:absolute;top:0;left:0;width:auto;max-width:none;height:48px;object-fit:contain}.header-logo .text{position:relative;display:block;padding:24px 0 0 66px;font-size:15px;line-height:1.5;max-width:none;overflow:visible;text-overflow:clip;white-space:nowrap}.header-logo{direction:ltr}@media(max-width:1000px){.header-logo{width:132px;min-width:132px;height:36px;flex:0 0 auto}.header-logo .logo{height:36px;width:auto;max-width:none}.header-logo .text,html:not([lang="zh-CN"]) .header-logo .text{padding:16px 0 0 50px;font-size:12px;max-width:none;overflow:visible}}@media(min-width:1001px){html:not([lang="zh-CN"]) .header-logo{width:200px;min-width:200px}}

/* Explain package energy inside the usage card. */
.energy-explanation{margin-top:24px;padding:16px 18px;border:1px solid rgba(87,211,186,.2);border-radius:10px;background:rgba(9,24,31,.38);text-align:start}.energy-explanation h4{margin:0 0 10px;font-size:15px;line-height:1.6;color:#e4f3fa}.energy-explanation p{margin:0 0 8px;font-size:13px;line-height:1.85;color:#aec1cf}.energy-explanation p:last-child{margin-bottom:0}@media(max-width:640px){.energy-explanation{margin-top:18px;padding:14px}}

/* Compact, balanced energy scenarios. */
.energy-explanation{margin-top:20px;padding:14px 16px;background:rgba(9,24,31,.24)}.energy-explanation h4{font-size:14px;margin:0 0 12px}.energy-scenarios{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin-bottom:12px;text-align:center}.energy-scenarios>div{padding:0 8px}.energy-scenarios>div+div{border-inline-start:1px solid #304249}.energy-scenarios span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.energy-scenarios strong{display:block;margin-top:4px;font-size:19px;font-weight:600;color:var(--mint);direction:ltr}.energy-explanation p{font-size:12px;line-height:1.7;margin:0}.energy-primary{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch}.energy-primary>.energy-box{padding:28px}.energy-primary>.energy-box>.energy-main>.energy-item:last-child{margin-bottom:0}@media(max-width:640px){.energy-primary{grid-template-columns:minmax(0,1fr)}.energy-primary>.energy-box{padding:20px}.energy-explanation{padding:12px;margin-top:16px}.energy-scenarios strong{font-size:18px}}

/* One-row rental quantity formula. */
.energy-formula{display:flex;align-items:center;gap:12px;white-space:nowrap;min-height:48px}.formula-price{font-size:18px;color:var(--text)}.formula-symbol{font-size:18px;color:var(--muted)}.formula-quantity{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}.formula-quantity .energy-item-input{width:70px;font-size:18px}.formula-total{display:flex;align-items:baseline;gap:6px}.formula-total strong{font-size:21px}.formula-total>span{font-size:12px;color:var(--muted)}select[hidden]{display:none!important}@media(max-width:640px){.energy-formula{gap:8px}.formula-price{font-size:16px}.formula-symbol{font-size:16px}.formula-quantity{gap:4px}.formula-quantity .energy-item-input{width:54px;padding:8px 4px;font-size:16px}.formula-total{gap:4px}.formula-total strong{font-size:18px}.formula-total>span{font-size:11px}}

/* Compact quantity field with prominent price and energy. */
.energy-formula{gap:12px;min-height:44px}.energy-formula .formula-price{font-size:24px;font-weight:700;color:var(--mint);line-height:1.3}.energy-formula .formula-quantity{gap:7px}.energy-formula .formula-quantity .energy-item-input{box-sizing:border-box;width:48px;min-width:48px;height:34px;padding:4px;font-size:16px;border-radius:7px;line-height:24px;appearance:textfield;-moz-appearance:textfield}.formula-quantity input::-webkit-inner-spin-button,.formula-quantity input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.energy-formula .formula-total{gap:6px}.energy-formula .formula-total strong{font-size:25px;font-weight:700;line-height:1.3}.energy-formula .formula-total>span{font-size:14px;color:var(--text)}.energy-formula .formula-symbol{font-size:19px}@media(max-width:640px){.energy-formula{gap:8px}.energy-formula .formula-price{font-size:21px}.energy-formula .formula-quantity{gap:4px}.energy-formula .formula-quantity .energy-item-input{width:40px;min-width:40px;height:32px;font-size:15px}.energy-formula .formula-total{gap:4px}.energy-formula .formula-total strong{font-size:22px}.energy-formula .formula-total>span{font-size:12px}.energy-formula .formula-symbol{font-size:17px}}

/* Give the price and energy distinct space around a small quantity field. */
.energy-formula{width:100%;justify-content:space-between;gap:12px;padding-block:8px}.energy-formula .formula-price{font-size:27px;font-weight:800;letter-spacing:.3px}.energy-formula .formula-total strong{font-size:28px;font-weight:800}.energy-formula .formula-total{gap:8px}.energy-formula .formula-total>span{font-size:15px;font-weight:600;color:var(--mint)}.energy-formula .formula-quantity .energy-item-input{width:32px;min-width:32px;height:27px;padding:2px;font-size:14px;line-height:21px;border-radius:5px}.energy-formula .formula-quantity{gap:5px}.energy-formula .formula-symbol{font-size:17px;color:#8192a3}@media(max-width:640px){.energy-formula{gap:9px;padding-block:7px}.energy-formula .formula-price{font-size:23px}.energy-formula .formula-total strong{font-size:24px}.energy-formula .formula-total>span{font-size:13px}.energy-formula .formula-total{gap:5px}.energy-formula .formula-quantity .energy-item-input{width:28px;min-width:28px;height:25px;font-size:13px;line-height:19px}.energy-formula .formula-quantity{gap:3px}.energy-formula .formula-symbol{font-size:15px}}

/* Boxed price and total, separated by prominent operators. */
.energy-formula{display:grid!important;grid-template-columns:auto 24px auto 24px minmax(0,1fr);gap:12px!important;align-items:center;justify-content:initial}.energy-formula .formula-price,.energy-formula .formula-total{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:48px;padding:10px 14px;border:1px solid #3d7568;border-radius:9px;background:rgba(88,229,177,.07)}.energy-formula .formula-price{font-size:22px!important}.energy-formula .formula-total strong{font-size:23px!important}.energy-formula .formula-total>span{font-size:13px!important}.energy-formula .formula-symbol{display:block;text-align:center;font-size:26px!important;font-weight:700;color:#edf6ff!important;line-height:1}.energy-formula .formula-quantity{display:flex;align-items:center;gap:5px}.energy-formula .formula-quantity .energy-item-input{width:34px;min-width:34px;height:32px}.energy-formula .formula-total{gap:6px!important}@media(max-width:640px){.energy-formula{grid-template-columns:auto 16px auto 16px minmax(0,1fr);gap:7px!important}.energy-formula .formula-price,.energy-formula .formula-total{min-height:42px;padding:8px;border-radius:7px}.energy-formula .formula-price{font-size:18px!important}.energy-formula .formula-total strong{font-size:19px!important}.energy-formula .formula-total>span{font-size:11px!important}.energy-formula .formula-symbol{font-size:22px!important}.energy-formula .formula-quantity{gap:3px}.energy-formula .formula-quantity .energy-item-input{width:27px;min-width:27px;height:28px}.energy-formula .formula-total{gap:4px!important}}

/* Prioritize the editable quantity; keep the total box fitted to its content. */
.energy-formula{grid-template-columns:auto 22px auto 22px auto!important;gap:12px!important;justify-content:space-between}.energy-formula .formula-quantity .energy-item-input{width:82px!important;min-width:82px!important;height:44px!important;padding:6px 8px!important;font-size:18px!important;line-height:normal;appearance:auto!important;-moz-appearance:auto!important}.energy-formula .formula-quantity input::-webkit-inner-spin-button,.energy-formula .formula-quantity input::-webkit-outer-spin-button{-webkit-appearance:inner-spin-button!important;opacity:1;margin:0}.energy-formula .formula-total{width:max-content;min-height:44px;padding:8px 10px!important}.energy-formula .formula-total strong{font-size:21px!important}.energy-formula .formula-price{min-height:44px;padding:8px 12px}@media(max-width:640px){.energy-formula{grid-template-columns:auto 14px auto 14px auto!important;gap:6px!important}.energy-formula .formula-quantity .energy-item-input{width:62px!important;min-width:62px!important;height:40px!important;font-size:16px!important;padding:5px 6px!important}.energy-formula .formula-price{padding:7px 8px;min-height:40px;font-size:17px!important}.energy-formula .formula-total{padding:7px 8px!important;min-height:40px}.energy-formula .formula-total strong{font-size:18px!important}.energy-formula .formula-total>span{font-size:11px!important}.energy-formula .formula-symbol{font-size:20px!important}}

/* Always-visible quantity controls, independent of browser spinner UI. */
.quantity-stepper{display:inline-flex;align-items:center;height:44px;border:1px solid #3d7568;border-radius:8px;background:#0b111c;overflow:hidden}.quantity-stepper button{display:flex;align-items:center;justify-content:center;width:30px;height:100%;padding:0;border:0;background:rgba(88,229,177,.08);color:#f2f6fa;font-size:21px;cursor:pointer;touch-action:manipulation}.quantity-stepper button:hover{background:rgba(88,229,177,.22);color:var(--mint)}.energy-formula .formula-quantity .quantity-stepper .energy-item-input{width:40px!important;min-width:40px!important;height:40px!important;padding:4px!important;border:0;border-radius:0;appearance:textfield!important;-moz-appearance:textfield!important;text-align:center}.quantity-stepper input::-webkit-inner-spin-button,.quantity-stepper input::-webkit-outer-spin-button{-webkit-appearance:none!important;display:none!important}.energy-formula{gap:8px!important}@media(max-width:640px){.energy-formula{gap:4px!important}.quantity-stepper{height:40px}.quantity-stepper button{width:23px;font-size:20px}.energy-formula .formula-quantity .quantity-stepper .energy-item-input{width:28px!important;min-width:28px!important;height:36px!important}.energy-formula .formula-price{padding-inline:6px}.energy-formula .formula-total{padding-inline:6px!important}.energy-formula .formula-total strong{font-size:17px!important}}

/* Interaction refinements verified at narrow mobile widths. */
[hidden]{display:none!important}
.language-toggle{display:flex;align-items:center;gap:6px;min-height:44px;padding:0;border:0;background:transparent;color:inherit;font:inherit;cursor:pointer}
.language-switcher .navbar-menu{inset-inline-start:auto;inset-inline-end:0;min-width:160px}
.language-switcher .navbar-menu.in{opacity:1;transform:none;visibility:visible;pointer-events:auto}
.language-toggle:focus-visible{outline:2px solid var(--mint);outline-offset:4px;border-radius:4px}
.copy{flex:0 0 44px!important;width:44px!important;height:44px!important;min-width:44px;min-height:44px;touch-action:manipulation}
.quantity-stepper button{min-width:24px}
#exchangeError{grid-column:1/-1;color:#ffb4ab;font-size:14px;line-height:1.6;margin:0;overflow-wrap:anywhere}
input[aria-invalid="true"]{border-color:#ffb4ab!important}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reading-card:hover{transform:none}}
.language-toggle{min-width:44px;justify-content:center}