:root{--ll-tap:.12s;--ll-feedback:.18s;--ll-panel:.28s;--ll-media:.36s;--ll-ease:cubic-bezier(.22,1,.36,1);--ll-state:cubic-bezier(.2,0,0,1)}:is(.ll-page,#MainContent,#main,.why-pc,.how-pc,.story-pc,linklike-mega-header,.ll-global-footer) :is(button,a,input):focus-visible{outline:2px solid currentColor;outline-offset:4px}:is(.ll-page,#MainContent,#main,.why-pc,.how-pc,.story-pc,linklike-mega-header,.ll-global-footer) button{transition:color var(--ll-feedback) var(--ll-state),background-color var(--ll-feedback) var(--ll-state),border-color var(--ll-feedback) var(--ll-state),scale var(--ll-tap) var(--ll-state)}:is(.ll-page,#MainContent,#main,.why-pc,.how-pc,.story-pc,linklike-mega-header,.ll-global-footer) button:not(:disabled):active{scale:.985}.ll-arrow-link>.ll-arrow-icon,.ll-arrow-link>.ll-arrow-label:after{transition-duration:var(--ll-feedback)}.ll-arrow-link:focus-visible>.ll-arrow-icon{transform:translate(2px)}@media(hover:hover)and (pointer:fine){.ll-arrow-link:hover>.ll-arrow-icon{transform:translate(2px)}}@media(hover:none){.ll-arrow-link:not(:focus-visible)>.ll-arrow-icon{transform:none}.ll-arrow-link:not(:focus-visible)>.ll-arrow-label:after{transform:scaleX(0)}}.everyday-feature-panel,.everyday-feature.is-active .everyday-feature-panel{transition-duration:var(--ll-panel),0s}.everyday-feature-toggle.is-pending{color:#fff}.everyday-panel-content,.everyday-feature.is-active .everyday-panel-content{transition:opacity var(--ll-panel) var(--ll-ease);transform:none;transition-delay:0s}.everyday-feature-media,.everyday-feature-media.is-active{transform:none;transition:opacity var(--ll-media) var(--ll-ease),visibility 0s var(--ll-media)}.everyday-feature-media.is-active{transition:opacity var(--ll-media) var(--ll-ease),visibility 0s}.feature-media :is(img,video){transition:opacity var(--ll-media) var(--ll-ease)!important;transform:none!important}.hero-slide,.product-slide{transition-duration:var(--ll-media)!important}.acoustic-toggle{min-width:44px;min-height:44px}.ll-local-status{position:absolute;z-index:5;inset:auto 12px 12px;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;border-radius:8px;background:#141414d9;color:#fff;font:14px/1.5 Arial,sans-serif;pointer-events:none}.ll-local-status button{pointer-events:auto;min-height:44px;padding:4px 12px;border:1px solid currentColor;border-radius:6px;background:transparent;color:inherit;font:inherit}.ll-media-toggle{position:absolute;z-index:5;right:12px;bottom:12px;min-width:44px;min-height:44px;border:1px solid rgba(255,255,255,.6);border-radius:24px;background:#0000008c;color:#fff;font:14px/1.3 Arial,sans-serif;padding:8px 12px}.ll-video-dialog{width:min(960px,calc(100vw - 32px));max-height:90dvh;padding:48px 16px 16px;border:0;border-radius:16px;background:#111;color:#fff}.ll-video-dialog::backdrop{background:#000000c7}.ll-video-dialog video{display:block;width:100%;max-height:calc(90dvh - 80px);object-fit:contain}.ll-video-close{position:absolute;right:8px;top:4px;min-width:44px;min-height:44px;border:0;background:transparent;color:#fff;font-size:28px}.ll-video-unavailable{opacity:.65;cursor:default}.ll-video-unavailable:after{content:"视频待更新";position:absolute;right:0;top:100%;white-space:nowrap;font:12px/1.5 Arial,sans-serif;padding-top:3px;color:#fff;text-shadow:0 1px 3px #000}.ll-footer-social a[aria-disabled=true]{opacity:.4;cursor:default}.ll-form-feedback{font-size:14px!important;line-height:1.5!important;margin:8px 0 0!important}.sec-sound .acoustic-intro h3{color:#fff}.why-tabs-bar .tab-item[aria-current=location],.why-tabs-bar-sec .tab-item[aria-current=location]{color:inherit}linklike-mega-header :is(.mega-panels,.mega-panel,.site-nav){transition-duration:var(--ll-panel)}@media(min-width:768px)and (max-width:1439px){.reviews .review-grid{grid-template-columns:repeat(3,minmax(0,464px))}.reviews .review-grid article{width:100%;min-width:0}.reviews .review-grid article>p{width:calc(100% - 62px)}.reviews .review-media{left:auto;right:16px;max-width:42%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*:before,*:after{scroll-behavior:auto!important}.ll-motion-ready [data-ll-reveal],[data-why-reveal]{opacity:1!important;filter:none!important;translate:none!important;transform:none!important}.everyday-feature-media,.everyday-panel-content,.hero-slide,.product-slide,.feature-media :is(img,video),.ll-arrow-icon,.ll-arrow-label:after{transition:none!important;transform:none!important}button:active{scale:1!important}}

/* Shop FAQ: stable rows and a plus/minus indicator tied to the requested state. */
.ll-page-product .faq-list{overflow-anchor:none}
.ll-page-product .faq details{box-sizing:border-box;overflow-anchor:none}
.ll-page-product .faq summary:after{content:"";width:18px;height:18px;background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:center;background-size:18px 2px,2px 18px;transition:background-size 180ms ease}
.ll-page-product .faq details[data-ll-detail-open="true"] summary:after{content:"";background-size:18px 2px,2px 0}
@media(prefers-reduced-motion:reduce){.ll-page-product .faq summary:after{transition:none}}

/* Text actions: the label and decorative arrow share one link and feedback state. */
#MainContent .ll-page a.ll-action-arrow{display:inline-flex;align-items:center;gap:8px;max-width:100%}
#MainContent .ll-page a.ll-action-arrow>.ll-arrow-label{min-width:0;position:relative;display:inline-block}
#MainContent .ll-page a.ll-action-arrow>.ll-arrow-icon{display:block;width:18px;height:18px;flex:0 0 18px;color:inherit;overflow:visible;pointer-events:none;transition:transform 180ms ease}
.ll-action-arrow .ll-arrow-circle{fill:currentColor;stroke:currentColor;stroke-width:1.25;transition:fill 180ms ease}
.ll-action-arrow .ll-arrow-path{fill:none;stroke:currentColor;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round;transition:stroke 180ms ease}
.ll-action-arrow:is(:hover,:focus-visible) .ll-arrow-circle{fill:transparent}
.ll-action-arrow:is(:hover,:focus-visible) .ll-arrow-path{stroke:currentColor}
#MainContent .ll-page a.ll-action-arrow:is(:hover,:focus-visible)>.ll-arrow-icon{transform:translateX(3px)}
/* These text actions become outlined pill buttons in the existing phone layout. */
@media(max-width:767px){
  #MainContent .ll-page a.ll-action-arrow[data-ll-mobile-cta]:is(.sec-link-btn,.explore-sound-btn,.acoustic-certification)>.ll-arrow-icon{display:block!important}
  #MainContent .ll-page a.ll-action-arrow[data-ll-mobile-cta]:is(.sec-link-btn,.explore-sound-btn,.acoustic-certification) .ll-arrow-path{display:initial!important}
  #MainContent .ll-page a.ll-action-arrow:is(.about__link,.fit-card-link,.approach-link-wrap,.seamless-link-wrap){gap:0}
  #MainContent .ll-page a.ll-action-arrow:is(.about__link,.fit-card-link,.approach-link-wrap,.seamless-link-wrap)>.ll-arrow-icon{display:none}
  #MainContent .ll-page a.ll-action-arrow:is(.about__link,.fit-card-link,.approach-link-wrap,.seamless-link-wrap)>.ll-arrow-label:after{display:none}
}
@media(prefers-reduced-motion:reduce){
  #MainContent .ll-page a.ll-action-arrow>.ll-arrow-icon{transition:none;transform:none}
  #MainContent .ll-page a.ll-action-arrow:is(:hover,:focus-visible)>.ll-arrow-icon{transform:none}
  .ll-action-arrow .ll-arrow-circle,.ll-action-arrow .ll-arrow-path{transition:none}
}

/* Shared content-button dimensions: text determines width and height. */
:root{--ll-cta-font-size:16px;--ll-cta-line-height:24px;--ll-cta-padding-block:12px;--ll-cta-padding-inline:24px}
body #MainContent .ll-page a[href]:is(.button,.hero-explore-btn,.cflow-explore-btn,.cta-primary-btn,.features-heading__link,.buy-amazon-btn),
body #MainContent #LinklikeHome .ll-oct-mosaic-note a.button[href]{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  box-sizing:border-box!important;
  width:max-content!important;
  min-width:0!important;
  max-width:min(100%,calc(100vw - 40px))!important;
  height:auto!important;
  min-height:0!important;
  max-height:none!important;
  padding:var(--ll-cta-padding-block) var(--ll-cta-padding-inline)!important;
  font-size:var(--ll-cta-font-size)!important;
  line-height:var(--ll-cta-line-height)!important;
  font-weight:500!important;
  letter-spacing:0!important;
  text-align:center!important;
  white-space:normal!important;
  overflow-wrap:anywhere;
  flex:0 0 auto!important;
  border-radius:999px!important;
}
body #MainContent .ll-page a[href]:is(.button,.hero-explore-btn,.cflow-explore-btn,.cta-primary-btn,.features-heading__link,.buy-amazon-btn)>span{
  font-size:inherit!important;
  line-height:inherit!important;
  letter-spacing:inherit!important;
}
/* Existing text links that become outlined buttons on phones follow the same sizing. */
@media(max-width:767px){
  body #MainContent .ll-page a[href]:is(.about__link,.fit-card-link,.approach-link-wrap,.seamless-link-wrap),
  body #MainContent .ll-page-story #seamless.sec-seamless-flow a.seamless-link-wrap[href]{
    display:inline-flex!important;
    align-items:center!important;
    justify-content:center!important;
    box-sizing:border-box!important;
    width:max-content!important;
    min-width:0!important;
    max-width:min(100%,calc(100vw - 40px))!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    padding:var(--ll-cta-padding-block) var(--ll-cta-padding-inline)!important;
    font-size:var(--ll-cta-font-size)!important;
    line-height:var(--ll-cta-line-height)!important;
    font-weight:500!important;
    letter-spacing:0!important;
    white-space:normal!important;
    overflow-wrap:anywhere;
    text-align:center!important;
    flex:0 0 auto!important;
    border-radius:999px!important;
  }
  body #MainContent .ll-page a[href]:is(.about__link,.fit-card-link,.approach-link-wrap,.seamless-link-wrap)>span{
    font-size:inherit!important;
    line-height:inherit!important;
    letter-spacing:inherit!important;
  }
}

/* Phone specification columns and FAQ rhythm. Desktop layout is unchanged. */
@media(max-width:767px){
  body #MainContent .ll-page-product .mobile-spec-group .spec-line{display:grid!important;grid-template-columns:minmax(0,38%) 1px minmax(0,1fr);column-gap:12px;align-items:start;margin:0 0 14px!important;line-height:1.55}
  body #MainContent .ll-page-product .mobile-spec-group .spec-line:last-child{margin-bottom:0!important}
  body #MainContent .ll-page-product .mobile-spec-group .spec-line>.label,
  body #MainContent .ll-page-product .mobile-spec-group .spec-line>.val{display:block!important;width:auto!important;min-width:0;font-size:14px!important;line-height:22px!important;white-space:normal!important;text-align:right;overflow-wrap:anywhere}
  body #MainContent .ll-page-product .mobile-spec-group .spec-line>.sep{display:block!important;width:1px;height:18px;margin:3px 0 0!important;padding:0;background:#a4a9ab;font-size:0;line-height:0;color:transparent}
  body #MainContent .ll-page-product .faq .section-title{margin-bottom:24px}
  body #MainContent .ll-page-product .faq .section-title>.eyebrow{font-size:16px!important;line-height:24px!important;font-weight:600;letter-spacing:.08em;padding:0!important;margin:0 0 12px!important;color:#53595d;text-align:center!important;align-self:center;width:100%}
  body #MainContent .ll-page-product .faq .section-title>h2{max-width:22ch;margin:0 auto!important;font-size:28px!important;line-height:34px!important;font-weight:600;letter-spacing:-.02em}
  body #MainContent .ll-page-product .faq .faq-list,
  body #MainContent .ll-page-product .faq details{overflow-anchor:none}
  body #MainContent .ll-page-product .faq summary{position:relative;display:block;box-sizing:border-box;min-height:64px;padding:20px 40px 20px 0!important;font-size:16px!important;line-height:24px!important;font-weight:500;text-align:left;list-style:none}
  body #MainContent .ll-page-product .faq summary::after{display:none!important;content:none!important}
  body #MainContent .ll-page-product .faq summary::-webkit-details-marker{display:none}
  body #MainContent .ll-page-product .faq .ll-mobile-faq-icon{position:absolute;right:0;top:50%;display:block;width:24px;height:24px;transform:translateY(-50%);pointer-events:none}
  body #MainContent .ll-page-product .faq .ll-mobile-faq-icon::before,
  body #MainContent .ll-page-product .faq .ll-mobile-faq-icon::after{content:'';position:absolute;left:4px;right:4px;top:11px;height:1.5px;background:currentColor;transform-origin:center}
  body #MainContent .ll-page-product .faq .ll-mobile-faq-icon::after{transform:rotate(90deg);transition:transform 180ms ease}
  body #MainContent .ll-page-product .faq details[data-ll-detail-open="true"] .ll-mobile-faq-icon::after{transform:rotate(0deg)}
  body #MainContent .ll-page-product .faq .ll-mobile-faq-answer{overflow:hidden}
  body #MainContent .ll-page-product .faq .ll-mobile-faq-answer>p{margin:0!important;padding:0 40px 20px 0!important;font-size:16px!important;line-height:26px!important;color:#4c5357}
}
@media(max-width:767px) and (prefers-reduced-motion:reduce){
  body #MainContent .ll-page-product .faq .ll-mobile-faq-icon::after{transition:none}
}

/* The entire video card opens the player; the corner badge remains the visual cue. */
#MainContent .ll-page-home .user-mosaic[data-home-revision] .user-card .user-card__play[data-user-video]{position:absolute;display:block!important;inset:0!important;width:100%!important;height:100%!important;z-index:4;padding:0;border:0;border-radius:inherit;background:transparent;cursor:pointer;scale:1}
#MainContent .ll-page-home .user-mosaic[data-home-revision] .user-card .user-card__play[data-user-video]:before{content:'';position:absolute;top:12px;right:12px;width:40px;height:40px;border:1px solid #ffffff80;border-radius:50%;background:#efebe5e8;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
#MainContent .ll-page-home .user-mosaic[data-home-revision] .user-card .user-card__play[data-user-video] img{position:absolute;top:22px;right:22px;width:20px!important;height:20px!important;object-fit:contain;pointer-events:none}
#MainContent .ll-page-home .user-mosaic[data-home-revision] .user-card .user-card__play[data-user-video]:focus-visible{outline:2px solid #004c78;outline-offset:-4px}
.ll-video-dialog{width:fit-content;max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px);margin:auto;padding:56px 12px 12px;border:1px solid #ffffff38;border-radius:24px;background:#101b21;color:#fff;box-shadow:0 24px 80px #0005;overflow:auto;overscroll-behavior:contain}
.ll-video-dialog::backdrop{background:#101b21c9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.ll-video-dialog video{width:auto;height:auto;max-width:min(960px,calc(100vw - 50px));max-height:calc(100dvh - 112px);border-radius:12px;background:#000;object-fit:contain}
.ll-video-dialog .ll-video-close{top:6px;right:8px;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #ffffff65;border-radius:50%;background:#efebe5ed;color:#004c78;font:400 28px/1 Inter,Arial,sans-serif;cursor:pointer}

/* Original creator post accompanies the hosted video. */
.ll-video-source:not([hidden]){display:block;width:max-content;max-width:100%;margin:12px auto 2px;color:#fff;font:400 13px/1.5 Inter,Arial,sans-serif;text-underline-offset:3px}
.ll-video-dialog:has(.ll-video-source:not([hidden])) video{max-height:calc(100dvh - 148px)}

@media(max-width:767px){#MainContent .ll-page-home .user-card[data-user-media="video"] .user-card__copy h3{font-size:clamp(10px,3vw,12px)!important;line-height:1.3!important;white-space:nowrap}}

/* Supplied About and comfort designs use a filled circular arrow. */
#MainContent .ll-page a.ll-action-arrow>.ll-arrow-icon--circled{display:block!important;width:18px;height:18px;flex:0 0 18px}
.ll-action-arrow .ll-arrow-icon--circled .ll-arrow-circle,.ll-action-arrow:is(:hover,:focus-visible) .ll-arrow-icon--circled .ll-arrow-circle{fill:currentColor;stroke:none}
.ll-action-arrow .ll-arrow-icon--circled .ll-arrow-path,.ll-action-arrow:is(:hover,:focus-visible) .ll-arrow-icon--circled .ll-arrow-path{stroke:var(--ll-arrow-core,#000005);fill:none}
@media(max-width:767px){#MainContent .ll-page a.ll-action-arrow:is(.about__link,.fit-card-link)>.ll-arrow-icon--circled{margin-left:8px}}

/* Why LINKLIKE: colored filled circles with a contrasting white arrow. */
#MainContent .ll-page-why a.ll-action-arrow{--ll-arrow-core:#fff}