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@keyframes blink{50%{opacity:.4}}@keyframes float{50%{transform:translateY(-6px)}}@keyframes rotate-orbit{to{transform:translate(-50%,-50%) rotate(360deg)}}
@media(min-width:1600px){.hero{min-height:704px;padding-block:105px}.network-stage{height:370px}}
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summary{font-size:11px;min-height:65px;gap:10px}.faq-list p{font-size:11px;padding-right:5px}.final-cta{margin-top:65px;margin-bottom:45px;padding:30px 25px;display:block}.final-cta h2{font-size:22px;line-height:1.55;margin-block:10px 12px}.final-cta p{font-size:10px}.final-cta .button{margin-top:23px;min-height:43px;min-width:165px;font-size:11px}.footer{padding-block:24px 100px;gap:21px;flex-wrap:wrap}.footer .brand{font-size:15px}.footer>p{flex:1;font-size:8px}.footer>p>span{font-size:6px;letter-spacing:.4px}.footer>.back-top{margin-left:auto}.footer>a:not(.brand){font-size:9px}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;background:#0d1a21ed;backdrop-filter:blur(15px);border-top:1px solid #37524680;padding:10px 20px calc(10px + env(safe-area-inset-bottom));z-index:18;gap:12px}.mobile-bottom>*{display:flex;gap:8px;align-items:center;justify-content:center;font-size:11px;min-height:38px;border-radius:5px;flex:1}.mobile-bottom>a{color:#b0c4c8;border:1px solid #355047}.mobile-bottom>button{background:var(--accent);color:#0a2b22;font-weight:600}.mobile-bottom .icon{height:16px;width:16px}.toast{bottom:88px;font-size:11px;min-width:210px}dialog{padding:25px 21px}.dialog-top h2{font-size:23px}.dialog-description{font-size:10px}.download-options>a,.download-options>button{padding:16px 11px;gap:12px}.download-options b{font-size:12px}.download-options small{font-size:8px}.dialog-footnote{font-size:9px}#room-code{font-size:27px;letter-spacing:19px}}
@media(max-width:370px){.section-shell{width:calc(100% - 32px)}.hero-eyebrow{font-size:7px}.hero-description{font-size:11px}.platform-pills{gap:12px}.platform-pills b{font-size:7px;padding-left:8px}.hero-actions>.button{padding-inline:13px;font-size:11px}.hero-note{font-size:8px;gap:5px}.network-stage{height:285px}.device-node{min-width:112px;gap:5px;padding:8px}.device-node b{font-size:9px}.device-node small{font-size:6px}.core-inner{width:73px;height:73px}.feature-index{display:none}.feature-card{padding-inline:13px}.feature-card h3{font-size:14px}.platform-cards b{font-size:9px}.platform-cards small{font-size:6px}.tutorial-tabs>button{gap:8px;padding-inline:11px}.tutorial-tabs>button>span:not(.tab-number){font-size:11px}.tutorial-tabs .tab-number{display:none}.tutorial-main{padding:18px 15px}.tutorial-sidebar{padding:19px 17px}.topology-node{font-size:8px}.topology-node small{font-size:6px}.share-checks{gap:11px}.share-checks>span{font-size:8px}.stats-source{font-size:7px}.stats-intro h2{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.connection-lines animateMotion{display:none}}

/* Reading sizes for the desktop tutorial and detailed copy. */
@media(min-width:901px){.tutorial-steps h4{font-size:14px}.tutorial-steps p{font-size:12px}.tutorial-summary>p{font-size:12px}.tutorial-steps>li{padding-bottom:25px}.success-check b{font-size:11px}.success-check p{font-size:11px}.feature-card p{font-size:12px}.section-heading>p{font-size:12px}.stats-source{font-size:10px}.stat-caption{font-size:12px}.faq-list summary{font-size:13px}.faq-list p{font-size:12px}}
.sharing-visual{overflow:hidden;border-radius:15px}

/* Compact narration controls, shared by the intro and the six real-operation guides. */
.intro-audio-card{position:relative;display:flex;align-items:center;gap:13px;text-align:left;width:350px;max-width:100%;margin-top:29px;padding:13px 14px;border:1px solid #34524780;background:linear-gradient(120deg,#18392e60,#10222680);border-radius:8px;margin-bottom:14px}.audio-play{width:35px;height:35px;flex-shrink:0;border-radius:50%;background:#3bc8af18;border:1px solid #4eceb480;color:#7de8c9;display:grid;place-items:center}.audio-play>span{width:0;height:0;border-left:8px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent;margin-left:2px}.audio-play>i{display:none}.audio-play[aria-pressed=true]>span{display:none}.audio-play[aria-pressed=true]>i{display:block;width:9px;height:10px;border-inline:3px solid currentColor}.audio-card-copy{flex:1;min-width:0}.audio-card-kicker{color:#719e8d;font-size:8px;display:flex;align-items:center;gap:12px;letter-spacing:.8px}.audio-card-copy>b{display:block;font-size:11px;font-weight:500;color:#bed9cf;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:3px}.audio-progress-row{display:flex;gap:10px;align-items:center;margin-top:7px}.audio-progress-row>input{appearance:none;-webkit-appearance:none;height:2px;background:#385a4e;width:100%;min-width:40px;accent-color:#67e1ba;cursor:pointer}.audio-progress-row>input::-webkit-slider-thumb{appearance:none;width:6px;height:6px;border-radius:50%;background:#82d4b5}.audio-progress-row>input::-moz-range-thumb{width:6px;height:6px;border:0;border-radius:50%;background:#82d4b5}.audio-progress-row>span{font:7px Consolas,monospace;white-space:nowrap;color:#5e8b76}.audio-volume{background:transparent;padding:4px;color:#729c87;position:relative}.audio-volume>.icon{width:17px;height:17px}.audio-volume.muted:after{content:'';position:absolute;left:0;right:0;height:1px;top:50%;background:#749785;transform:rotate(-45deg)}.audio-status{position:absolute;left:4px;bottom:-21px;font-size:8px;color:#4e7167;letter-spacing:.3px}.audio-wave{display:inline-flex;align-items:center;gap:2px;height:11px}.audio-wave>i{height:3px;width:2px;background:#6bc7a2;border-radius:2px}.audio-wave>i:nth-child(2){height:8px}.audio-wave>i:nth-child(3){height:11px}.audio-wave>i:nth-child(4){height:6px}.audio-playing .audio-wave>i{animation:voice-wave .8s ease-in-out infinite alternate}.audio-playing .audio-wave>i:nth-child(2){animation-delay:-.3s}.audio-playing .audio-wave>i:nth-child(3){animation-delay:-.6s}.audio-playing .audio-wave>i:nth-child(4){animation-delay:-.4s}.audio-dock{display:flex;align-items:center;gap:11px;position:fixed;z-index:19;right:26px;bottom:25px;padding:11px 15px;background:#142a23e8;border:1px solid #3e705b;border-radius:8px;box-shadow:0 9px 35px #0005;backdrop-filter:blur(12px);transform:translateY(20px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;text-align:left}.audio-dock.visible{transform:translateY(0);opacity:1;pointer-events:auto}.audio-dock>.icon{width:21px;height:21px;color:#8fcab1}.audio-dock b{display:block;font-size:10px;font-weight:500;color:#a9d3bc}.audio-dock small{display:block;color:#628a76;font-size:8px;margin-top:2px}.download-storage-note{color:#6c8f83;font-size:10px;margin-top:18px}.extraction-code{color:#a9dcbf!important}.tutorial-bottom{column-gap:15px;row-gap:14px}.tutorial-bottom>#guide-audio{margin-left:auto}.audio-dock .audio-wave{margin-left:3px}@keyframes voice-wave{to{transform:scaleY(.35);opacity:.5}}
@media(max-width:900px) and (min-width:701px){.intro-audio-card{padding:11px 10px;gap:9px;width:315px}.audio-card-copy>b{font-size:10px}.audio-card-kicker{font-size:7px}.audio-progress-row>span{font-size:6px}.audio-status{font-size:7px}.tutorial-bottom{flex-wrap:wrap}}
@media(max-width:700px){.intro-audio-card{margin:29px auto 8px;width:340px;padding:13px 14px;gap:12px}.audio-card-kicker{font-size:8px}.audio-card-copy>b{font-size:11px}.audio-status{font-size:8px;left:3px}.hero{padding-bottom:52px;gap:40px}.audio-dock{right:20px;bottom:83px;padding:9px 12px;gap:9px;border-radius:7px}.audio-dock>.icon{width:18px;height:18px}.audio-dock b{font-size:9px}.audio-dock small{font-size:7px}.audio-dock .audio-wave{display:none}.tutorial-bottom>#guide-audio{margin-left:0}.tutorial-bottom{column-gap:15px;row-gap:12px}.tutorial-bottom>span{flex-basis:100%}}
@media(max-width:370px){.intro-audio-card{padding:12px 10px;gap:8px}.audio-progress-row>span{font-size:6px}.audio-card-kicker{font-size:7px}.audio-card-copy>b{font-size:10px}}
.hero-copy,.network-visual{min-width:0}@media(max-width:700px){.hero{grid-template-columns:minmax(0,1fr)}}