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.button[aria-disabled=true]{opacity:.45;cursor:not-allowed}.text-link{min-height:32px;color:var(--hm-accent-text);font-size:var(--hm-fs-ui);align-items:center;gap:6px;font-weight:500;display:inline-flex}.text-link:hover{color:#b5d4ff!important}.text-link:hover .product-arrow{transform:translate(2px)}.product-arrow{vertical-align:middle;width:16px;height:16px;transition:transform var(--hm-dur-1) var(--hm-ease);flex:none;display:inline-block}.copy-button{border-radius:var(--hm-r-md);min-width:32px;min-height:32px;color:var(--hm-text-3);font-size:var(--hm-fs-label);vertical-align:middle;cursor:pointer;background:0 0;border:1px solid #0000;flex:none;justify-content:center;align-items:center;gap:6px;padding:0;font-weight:500;line-height:1;display:inline-flex;position:relative}.copy-button:hover{background:var(--hm-bg-overlay);color:var(--hm-text)}.copy-button.has-label{border-color:var(--hm-line-control);min-height:36px;color:var(--hm-text-2);padding:0 12px}.copy-button[data-state=copied]{color:var(--hm-positive)}.copy-button[data-state=failed]{color:var(--hm-warning)}.hm-pill{border:1px solid var(--hm-line-strong);border-radius:var(--hm-r-pill);background:var(--hm-bg-overlay);min-height:22px;color:var(--hm-text-2);font-size:var(--hm-fs-caption);white-space:nowrap;align-items:center;gap:6px;padding:1px 8px;font-weight:500;line-height:1.5;display:inline-flex}.hm-pill:before{content:"";background:currentColor;border-radius:50%;flex:none;width:6px;height:6px}.hm-pill[data-dot=false]:before{display:none}.hm-pill[data-tone=ok]{border-color:var(--hm-positive-line);background:var(--hm-positive-bg);color:var(--hm-positive)}.hm-pill[data-tone=warn]{border-color:var(--hm-warning-line);background:var(--hm-warning-bg);color:var(--hm-warning)}.hm-pill[data-tone=danger]{border-color:var(--hm-danger-line);background:var(--hm-danger-bg);color:var(--hm-danger)}.hm-pill[data-tone=info]{border-color:var(--hm-info-line);background:var(--hm-info-bg);color:var(--hm-info)}.product-header{z-index:var(--hm-z-header);border-bottom:1px solid var(--hm-line);background:var(--hm-bg);position:sticky;top:0}.product-header-inner{height:var(--hm-header-h);align-items:center;gap:40px;display:flex}.product-workspace .product-header-inner{max-width:1700px;padding-left:24px;padding-right:35px}@media (min-width:1500px){.product-workspace .product-header-inner{padding-right:45px}}@media (max-width:1200px){.product-workspace .product-header-inner{padding-left:18px;padding-right:23px}}@media (max-width:760px){.product-workspace .product-header-inner{padding-left:16px;padding-right:16px}}.product-home-link{border-radius:var(--hm-r-md);flex:none;align-items:center;min-height:44px;display:inline-flex}.product-header .site-nav{align-items:center;gap:4px;min-width:0;display:flex}.product-header .site-nav a{border-radius:var(--hm-r-md);min-height:36px;color:var(--hm-text-2);font-size:var(--hm-fs-ui);white-space:nowrap;align-items:center;padding:0 10px;font-weight:500;display:inline-flex}.product-header .site-nav a:hover{background:var(--hm-bg-overlay);color:var(--hm-text)}.product-header .site-nav a[aria-current]{color:var(--hm-text);background:var(--hm-bg-overlay)}.header-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.header-actions .button-small{min-height:36px}.header-actions .site-console{margin-left:4px}.locale-options{border:1px solid var(--hm-line);border-radius:var(--hm-r-md);white-space:nowrap;align-items:center;gap:2px;padding:2px;display:flex}.locale-options a{border-radius:var(--hm-r-sm);min-width:36px;min-height:28px;color:var(--hm-text-3);font-size:var(--hm-fs-caption);justify-content:center;align-items:center;padding:0 8px;font-weight:500;line-height:1;display:inline-flex}.locale-options a:hover{color:var(--hm-text);background:var(--hm-bg-overlay)}.locale-options a[aria-current]{background:var(--hm-bg-overlay);color:var(--hm-text);box-shadow:inset 0 0 0 1px var(--hm-line-strong)}.locale-menu{display:none;position:relative}.locale-menu-trigger{border:1px solid var(--hm-line);border-radius:var(--hm-r-md);min-height:36px;color:var(--hm-text-2);font-size:var(--hm-fs-label);background:0 0;align-items:center;gap:6px;padding:0 10px;font-weight:500;display:inline-flex}.locale-menu-trigger:hover,.locale-menu-trigger[aria-expanded=true]{background:var(--hm-bg-overlay);color:var(--hm-text)}.locale-menu-trigger svg{transition:transform var(--hm-dur-1) var(--hm-ease)}.locale-menu-trigger[aria-expanded=true] svg{transform:rotate(180deg)}.locale-menu-list{z-index:var(--hm-z-pop);border:1px solid var(--hm-line-strong);border-radius:var(--hm-r-lg);background:var(--hm-bg-overlay);min-width:168px;box-shadow:var(--hm-shadow-pop);animation:hm-pop-in var(--hm-dur-2) var(--hm-ease);padding:6px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.locale-menu-list a{border-radius:var(--hm-r-md);min-height:40px;color:var(--hm-text-2);font-size:var(--hm-fs-ui);justify-content:space-between;align-items:center;gap:12px;padding:0 10px;display:flex}.locale-menu-list a:hover{color:var(--hm-text);background:#262a30}.locale-menu-list a[aria-current]{color:var(--hm-text)}.locale-menu-list a[aria-current]:after{content:"";background:var(--hm-accent-text);border-radius:50%;width:6px;height:6px}.locale-menu-list small{color:var(--hm-text-3);font-size:var(--hm-fs-caption)}.mobile-toggle{border-radius:var(--hm-r-md);width:44px;height:44px;color:var(--hm-text);background:0 0;border:0;place-items:center;margin-right:-10px;padding:0;display:none}.mobile-toggle:hover{background:var(--hm-bg-overlay)}.site-drawer{top:var(--hm-header-h);z-index:var(--hm-z-drawer);padding:16px var(--hm-gutter) calc(24px + env(safe-area-inset-bottom));overscroll-behavior:contain;border-top:1px solid var(--hm-line);background:var(--hm-bg);animation:hm-sheet-in var(--hm-dur-3) var(--hm-ease);flex-direction:column;gap:24px;display:flex;position:fixed;bottom:0;left:0;right:0;overflow-y:auto}.site-drawer nav{flex-direction:column;display:flex}.site-drawer nav a{border-bottom:1px solid var(--hm-line);min-height:52px;color:var(--hm-text);font-size:var(--hm-fs-body-lg);justify-content:space-between;align-items:center;font-weight:500;display:flex}.site-drawer nav a[aria-current]{color:var(--hm-accent-text)}.site-drawer nav a .product-arrow{color:var(--hm-text-3)}.site-drawer-label{color:var(--hm-text-3);font-size:var(--hm-fs-caption);margin:0 0 8px;font-weight:500}.site-drawer .locale-options{width:100%}.site-drawer .locale-options a{min-height:40px;font-size:var(--hm-fs-ui);flex:1}.site-drawer-actions{grid-template-columns:1fr 1fr;gap:12px;margin-top:auto;display:grid}.site-drawer-actions .button{min-height:48px;font-size:var(--hm-fs-body-lg)}@keyframes hm-pop-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@keyframes hm-sheet-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.shell-loading{min-height:calc(100vh - var(--hm-header-h));padding-top:64px;padding-bottom:96px}.shell-loading-card{border:1px solid var(--hm-line);border-radius:var(--hm-r-xl);background:var(--hm-bg-raised);gap:16px;width:min(100%,460px);margin:0 auto;padding:32px;display:grid}.shell-loading-console{min-height:calc(100vh - var(--hm-header-h));grid-template-columns:222px minmax(0,1fr);display:grid}.shell-loading-console>div:first-child{border-right:1px solid var(--hm-line);align-content:start;gap:12px;padding:30px 17px;display:grid}.shell-loading-console>div:last-child{padding:32px var(--hm-gutter);align-content:start;gap:20px;display:grid}.shell-loading-cards{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;display:grid}.product-noscript{color:var(--hm-text-2);font-size:var(--hm-fs-ui);padding-top:32px;padding-bottom:32px;line-height:1.8}.product-footer{border-top:1px solid var(--hm-line);background:var(--hm-bg);margin-top:auto}.footer-main{grid-template-columns:minmax(240px,1.3fr) repeat(4,minmax(0,1fr));gap:40px 32px;padding-top:56px;padding-bottom:40px;display:grid}.footer-brand{align-content:start;gap:16px;display:grid}.footer-brand>a{justify-self:start}.footer-brand p{max-width:300px;color:var(--hm-text-2);font-size:var(--hm-fs-ui);line-height:1.7}.footer-group h2{color:var(--hm-text);font-size:var(--hm-fs-label);letter-spacing:0;font-weight:600;line-height:var(--hm-lh-ui);margin:0 0 12px}.footer-group ul{gap:2px;margin:0;padding:0;list-style:none;display:grid}.footer-group a{min-height:32px;color:var(--hm-text-2);font-size:var(--hm-fs-label);align-items:center;gap:6px;display:inline-flex}.footer-group a:hover{color:var(--hm-text)}.footer-contact-line{color:var(--hm-text-2);font-size:var(--hm-fs-label);padding:6px 0;line-height:1.6}.footer-community{flex-wrap:wrap;gap:8px;display:flex}.footer-community a{border:1px solid var(--hm-line);border-radius:var(--hm-r-pill);min-height:36px;color:var(--hm-text-2);font-size:var(--hm-fs-label);align-items:center;gap:8px;padding:0 12px 0 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.eyebrow{margin-bottom:12px}.section-heading>p,.section-heading>div:last-child>p{max-width:440px;font-size:var(--hm-fs-body);line-height:1.75}.section-heading .text-link{margin-top:16px}.stage-label{border:1px solid var(--hm-line-strong);border-radius:var(--hm-r-pill);min-height:22px;color:var(--hm-text-2);font-family:var(--hm-font-sans);font-size:var(--hm-fs-caption);white-space:nowrap;align-items:center;padding:1px 8px;font-weight:500;line-height:1.5;display:inline-flex}.page-intro{max-width:840px;padding-top:64px;padding-bottom:40px}.page-intro h1{font-size:var(--hm-fs-h1);margin-top:16px}.phrase{max-width:100%;display:inline-block}.page-intro p{max-width:var(--hm-read);font-size:var(--hm-fs-lede);margin-top:20px;line-height:1.75}.product:lang(zh) :is(.page-intro p,.learn-card p){word-break:keep-all;overflow-wrap:break-word}.content-columns{grid-template-columns:200px minmax(0,1fr);gap:64px;padding-top:16px;padding-bottom:96px;display:grid}.content-columns.is-single{grid-template-columns:minmax(0,1fr)}.doc-nav{top:calc(var(--hm-header-h) + 24px);max-height:calc(100vh - var(--hm-header-h) - 48px);border-left:1px solid var(--hm-line);color:var(--hm-text-3);font-size:var(--hm-fs-label);flex-direction:column;align-self:start;line-height:1.5;display:flex;position:sticky;overflow-y:auto}.doc-nav a{border-left:2px solid #0000;margin-left:-1px;padding:7px 0 7px 14px;display:block}.doc-nav a:hover{color:var(--hm-text)}.doc-nav a[aria-current]{border-left-color:var(--hm-accent-text);color:var(--hm-text);font-weight:500}.document{max-width:var(--hm-read);min-width:0}.document>section{border-top:1px solid var(--hm-line);margin-bottom:56px;padding-top:40px}.document>section:first-child{border-top:0;padding-top:8px}.document h2{margin-bottom:16px;font-size:28px}.document h3{margin:24px 0 8px;font-size:18px}.document p{font-size:var(--hm-fs-body);margin:14px 0;line-height:1.85}.document a{color:var(--hm-accent-text);text-underline-offset:4px;-webkit-text-decoration:underline #8ebeff73;text-decoration:underline #8ebeff73}.document a:hover{text-decoration-color:currentColor}.document ul{padding-left:1.25em;list-style:outside}.document ol{padding-left:1.25em;list-style:decimal}.document li{color:var(--hm-text-2);font-size:var(--hm-fs-body);margin-bottom:8px;line-height:1.85}:where(.product:lang(zh)) .document p,:where(.product:lang(zh)) .document li{font-size:var(--hm-fs-body-lg)}.document li::marker{color:var(--hm-text-3)}.document code{border-radius:var(--hm-r-sm);background:var(--hm-bg-overlay);color:#c9dcf7;padding:2px 6px;font-size:.86em}.doc-code{border:1px solid var(--hm-line);border-radius:var(--hm-r-lg);background:var(--hm-bg-sunken);color:#c9dcf7;font:13px/1.8 var(--hm-font-mono);white-space:pre-wrap;overflow-wrap:anywhere;padding:20px;overflow-x:auto}.page-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px;display:flex}.document .doc-next,.document .doc-links{flex-wrap:wrap;align-items:center;gap:4px 24px;margin:20px 0 0;display:flex}.document .doc-links a{align-items:center;gap:6px;min-height:32px;display:inline-flex}.document .doc-next .text-link,.document .doc-links .text-link{text-decoration:none}.document .hm-notice{margin:8px 0 16px}.doc-compare{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0 8px;display:grid}.doc-compare>div{border:1px solid var(--hm-line);border-radius:var(--hm-r-lg);background:var(--hm-bg-raised);padding:16px 20px}.document .doc-compare h3{font-size:var(--hm-fs-ui);margin:0 0 8px}.document .doc-compare ul{margin:0;padding:0;list-style:none}.document .doc-compare li{font-size:var(--hm-fs-ui);margin:8px 0 0;padding-left:24px;line-height:1.7;position:relative}.doc-compare li:before{content:"✓";color:var(--hm-positive);font-weight:600;position:absolute;left:0}.doc-compare>div+div li:before{content:"×";color:var(--hm-danger);font-size:16px;line-height:1.5}.learn-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding-bottom:48px;display:grid}.product a.learn-card{border:1px solid var(--hm-line);border-radius:var(--hm-r-lg);background:var(--hm-bg-raised);min-height:180px;color:var(--hm-text);flex-direction:column;gap:8px;padding:24px 24px 56px;display:flex;position:relative}.product a.learn-card:hover{border-color:var(--hm-line-strong);background:var(--hm-bg-overlay)}.product a.learn-card.is-first{border-color:var(--hm-info-line)}.product .learn-card h2{font-size:var(--hm-fs-h4)}.learn-card p{font-size:var(--hm-fs-ui);line-height:1.7}.learn-card-go{color:var(--hm-accent-text);font-size:18px;position:absolute;bottom:20px;left:24px}.learn-cards.is-main{grid-template-columns:minmax(0,1fr);padding-bottom:56px}.product .learn-cards.is-main a.learn-card{min-height:0;padding:28px 80px 28px 28px}.learn-cards.is-main .learn-card p{max-width:680px;font-size:var(--hm-fs-body)}.learn-cards.is-main .learn-card-go{font-size:22px;inset:50% 28px auto auto;transform:translateY(-50%)}.learn-cards.is-related{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:20px;padding-bottom:0}.product .learn-cards.is-related a.learn-card{min-height:0}.product .learn-card h3{font-size:var(--hm-fs-body-lg)}.document .doc-action{flex-wrap:wrap;gap:12px;margin:24px 0 8px;display:flex}.learn-related{padding-bottom:96px}.product .learn-related h2{font-size:var(--hm-fs-h3)}.document .doc-related{flex-wrap:wrap;gap:8px 24px;padding:0;list-style:none;display:flex}.document .doc-related li{margin:0}.document .doc-related a{align-items:center;min-height:32px;display:inline-flex}.doc-code.doc-formula{color:var(--hm-text-2);font:14px/1.9 var(--hm-font-sans);font-variant-numeric:tabular-nums}.directory-row 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16px;line-height:1.6;display:grid}.hm-notice strong{color:var(--hm-text);font-weight:600}.hm-notice>:is(p,span,strong){max-width:var(--hm-read)}.page-intro .page-notice{max-width:var(--hm-read);margin-top:24px}.document a.text-link{text-decoration:none}.document a.button{color:var(--hm-text);text-decoration:none}.hm-notice[data-tone=ok]{border-color:var(--hm-positive-line);background:var(--hm-positive-bg)}.hm-notice[data-tone=warn]{border-color:var(--hm-warning-line);background:var(--hm-warning-bg)}.hm-notice[data-tone=danger]{border-color:var(--hm-danger-line);background:var(--hm-danger-bg)}.hm-notice[data-tone=info]{border-color:var(--hm-info-line);background:var(--hm-info-bg)}.hm-empty{justify-items:start;gap:8px;max-width:440px;padding:24px 0;display:grid}.hm-empty h2,.hm-empty h3{font-size:var(--hm-fs-body-lg);font-weight:600}.hm-empty p{font-size:var(--hm-fs-ui)}.hm-empty 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var(--hm-dur-1) var(--hm-ease);position:absolute;top:1px;bottom:1px;right:1px}.hm-scroll[data-overflow=true][data-end=false]:after{opacity:1}.hm-scroll-hint{color:var(--hm-text-3);font-size:var(--hm-fs-caption);align-items:center;gap:6px;margin:0;padding:10px 16px 0;line-height:1.5;display:flex}.hm-scroll[data-overflow=true] :is(tbody,thead) :is(th,td):first-child{z-index:2;background-color:var(--hm-bg-raised);box-shadow:inset -1px 0 0 var(--hm-line);position:sticky;left:0}.nowrap{white-space:nowrap}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}:where(.product) :where(input:not([type=checkbox],[type=radio],[type=range],[type=file],[type=color],[type=hidden]),select,textarea){border:1px solid var(--hm-line-control);border-radius:var(--hm-r-md);background:var(--hm-bg-sunken);width:100%;min-width:0;min-height:40px;color:var(--hm-text);font:400 var(--hm-fs-ui) / 1.4 var(--hm-font-sans);padding:9px 12px}:where(.product) :where(input,select,textarea)::placeholder{color:var(--hm-text-disabled)}:where(.product) :where(input:not([type=checkbox],[type=radio]),select,textarea):focus-visible{border-color:var(--hm-accent);box-shadow:0 0 0 3px var(--hm-accent-soft), 0 0 0 1px var(--hm-accent);outline:none}:where(.product) :where(input,select,textarea):disabled{opacity:.55;cursor:not-allowed}:where(.product) :where(input[type=checkbox],input[type=radio]){flex:none;width:16px;height:16px;margin:3px 0 0}:where(.product) select{appearance:auto}:where(.product) select option{background:var(--hm-bg-overlay)}:where(.product) label{color:var(--hm-text-2);font-size:var(--hm-fs-label);flex-direction:column;gap:6px;display:flex}:where(.product) label:has(>input[type=checkbox],>input[type=radio]){flex-direction:row;align-items:flex-start;gap:8px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-stack{flex-direction:column;gap:16px;display:flex}.form-help{color:var(--hm-text-3);font-size:var(--hm-fs-caption);line-height:1.7}.error-text{color:var(--hm-danger)!important;font-size:var(--hm-fs-label)!important}.success-text{color:var(--hm-positive)!important;font-size:var(--hm-fs-label)!important}@media (min-width:901px) and (max-width:1279px){.product-header-inner{gap:24px}.product-header .site-nav a{padding:0 8px}.header-actions .locale-options{display:none}.header-actions .locale-menu{display:block}}@media (min-width:901px) and (max-width:1199px){.product:lang(ru) .product-header .site-nav,.product:lang(ru) .header-actions .locale-menu,.product:lang(ru) .header-actions .site-signin{display:none}.product:lang(ru) .mobile-toggle{display:grid}}@media (max-width:900px){.product-header .site-nav,.header-actions .locale-options,.header-actions .site-signin{display:none}.mobile-toggle{display:grid}}@media 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a{min-height:44px}.footer-legal-row{flex-direction:column;align-items:flex-start}.shell-loading{padding-top:32px}.shell-loading-card{padding:24px 20px}}@media (max-width:379px){.header-actions .site-console{display:none}}@media (prefers-reduced-motion:reduce){.product *{scroll-behavior:auto!important;transition:none!important}.hm-skeleton{background-image:none;animation:none}}.not-found{justify-items:start;gap:16px;padding-top:96px;padding-bottom:120px;display:grid}.not-found p:not(.eyebrow){max-width:520px;font-size:var(--hm-fs-lede)}.not-found-links{flex-wrap:wrap;gap:12px;margin-top:16px;display:flex}@media (max-width:760px){.not-found{padding-top:56px;padding-bottom:72px}.not-found p:not(.eyebrow){font-size:var(--hm-fs-body-lg)}}
.language-choice-layer{z-index:var(--hm-z-dialog);animation:hm-choice-fade var(--hm-dur-3) var(--hm-ease);background:#05060880;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.language-choice{border:1px solid var(--hm-line-strong);border-radius:var(--hm-r-xl);background:var(--hm-bg-raised);width:min(100%,380px);box-shadow:var(--hm-shadow-dialog);color:var(--hm-text);font-family:var(--hm-font-sans);animation:hm-choice-in var(--hm-dur-3) var(--hm-ease);gap:16px;padding:20px;display:grid}.language-choice-head{grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:12px;display:grid}.language-choice-head>svg{color:var(--hm-accent-text);margin-top:3px}.product .language-choice h2{color:var(--hm-text);font-size:var(--hm-fs-h4);font-weight:600;line-height:1.3}.product .language-choice-head p{color:var(--hm-text-3);font-size:var(--hm-fs-label);margin-top:2px;line-height:1.5}.language-choice-close{border-radius:var(--hm-r-md);width:36px;height:36px;color:var(--hm-text-3);background:0 0;border:0;place-items:center;margin:-6px -6px 0 0;padding:0;display:grid}.language-choice-close:hover{background:var(--hm-bg-overlay);color:var(--hm-text)}.language-choice-options{gap:8px;display:grid}.language-choice-options button{border:1px solid var(--hm-line-strong);border-radius:var(--hm-r-lg);background:var(--hm-bg);min-height:52px;color:var(--hm-text);font-size:var(--hm-fs-body-lg);text-align:left;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:0 16px;font-weight:500;display:grid}.language-choice-options button:hover{border-color:var(--hm-line-control);background:var(--hm-bg-overlay)}.language-choice-options button>svg{color:var(--hm-text-3)}.language-choice-options button[aria-current]{border-color:var(--hm-accent);background:var(--hm-accent-soft);box-shadow:inset 0 0 0 1px var(--hm-accent)}.language-choice-options button[aria-current]>svg{color:var(--hm-accent-text)}.language-choice-options small{border-radius:var(--hm-r-pill);background:var(--hm-accent);color:#fff;font-size:var(--hm-fs-caption);padding:1px 8px;font-weight:500}.language-choice-options button:not([aria-current]) small{border:1px solid var(--hm-line-strong);color:var(--hm-text-2);background:0 0;padding:0 7px}.product .language-choice-note{color:var(--hm-text-3);font-size:var(--hm-fs-caption);text-align:center;line-height:1.6}@keyframes hm-choice-fade{0%{opacity:0}}@keyframes hm-choice-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}@media (max-width:560px){.language-choice-layer{padding:12px 12px calc(12px + env(safe-area-inset-bottom));align-items:end}.language-choice{width:100%}}