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@media(max-width:700px){html{scroll-padding-top:18px}.wrap{width:88%}.header{height:76px;gap:15px}.brand{gap:7px}.brand img{width:31px;height:31px}.brand>span{font-size:19px}.brand small{font-size:9px;margin-left:7px}.header nav{gap:18px;font-size:10px}.header-link{display:none}.friend-hero{grid-template-columns:1fr;gap:42px;padding-top:44px;padding-bottom:35px;min-height:0}.eyebrow{font-size:10px;margin-bottom:25px}h1{font-size:clamp(43px,10.8vw,65px);line-height:1.25;margin-bottom:23px}.hero-description{font-size:12px;margin-bottom:25px}.hero-actions{gap:25px}.button{font-size:11px;min-height:46px;padding:14px 20px;gap:24px}.hero-actions .text-link{font-size:11px}.hero-footnote{margin-top:28px}.hero-footnote .mono{font-size:7px}.hero-footnote p{font-size:9px}.chat-stage{padding-top:25px;margin:0 4px}.stage-coordinate{top:0;right:0;font-size:7px}.chat-window{padding:21px 18px 13px;transform:rotate(-1.5deg)}.chat-body{padding:24px 0 20px;min-height:235px}.chat-top strong{font-size:12px}.chat-top small{font-size:9px}.message p{font-size:11px}.message.bot{margin-left:9px}.chat-input{font-size:10px}.demo-note{font-size:9px}.scenario-tabs{margin-top:21px;gap:6px}.scenario-tabs button{font-size:11px;min-height:44px;padding:10px 17px}.orbit{inset:12px -12px 25px}.orbit-two{inset:30px -10px 5px}.promise-strip{grid-template-columns:1fr;gap:15px;padding:25px 0 35px}.promise-strip>span{font-size:10px}.promise-strip i{font-size:8px}.section{padding-top:50px;padding-bottom:50px}.section-label{padding-bottom:20px}.section-label .mono{font-size:8px;letter-spacing:.04em}.section-label>span:last-child{font-size:9px}.section-heading{display:block;margin:32px 0 26px}h2{font-size:34px}.section-heading p{font-size:11px;margin-top:18px}.model-grid{grid-template-columns:1fr;gap:16px}.model-card{padding:26px 24px 24px}.model-top{margin-bottom:25px}.model-card h3{font-size:23px}.model-intro{font-size:12px;margin-bottom:28px}.weight>strong{font-size:67px}.model-name strong{font-size:12px}.model-name>span{font-size:9px}.model-name{gap:8px}.model-card .card-note{font-size:11px}.spec-list>div{font-size:11px;padding:10px 0}.advanced-detail{min-height:0;padding-bottom:6px}.advanced-detail p{font-size:12px}.advanced-detail a{min-height:35px;align-items:center}.memory-note{padding-top:20px;margin-top:20px;gap:12px}.memory-note p{font-size:11px}.connect-layout{grid-template-columns:1fr;gap:35px;margin-top:32px}.connect-intro{font-size:12px;margin:20px 0}.development-badge{font-size:9px;line-height:1.7}.connect-steps li{gap:20px;padding-bottom:23px;margin-bottom:23px}.connect-steps h3{font-size:14px;margin-bottom:10px}.connect-steps p{font-size:12px}.platform-note{font-size:11px;margin-top:27px;padding-top:20px}.faq-layout{grid-template-columns:1fr;gap:28px}.faq h2{font-size:31px;margin-top:18px}.faq-list summary{font-size:12px;padding:22px 0}.answer{font-size:12px;padding-right:0}.closing{padding:55px 0 60px}.closing>.mono{font-size:7px;max-width:210px;display:block;line-height:1.8}.closing h2{font-size:41px;margin-top:25px;position:relative;z-index:1}.closing>img{width:120px;height:120px;top:auto;bottom:50px;right:0;opacity:.45}.closing .text-link{font-size:11px;position:relative;z-index:1}.footer{gap:15px;flex-wrap:wrap;padding-top:25px;padding-bottom:25px}.footer .brand{width:100%}.footer>span,.footer>a:last-child{font-size:9px}}
@media(max-width:370px){.header nav{gap:12px;font-size:9px}.brand small{display:none}.model-card{padding-inline:20px}.weight{gap:7px}.weight>strong{font-size:62px}.weight-note{font-size:8px}.hero-actions{gap:18px}.button{gap:17px;padding-inline:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.chat-window{transform:none}}

/* Keep reading and configuration text comfortable on phones. */
/* Only the decorative orbits may extend past the viewport; keep page content and focus rings visible. */
body{overflow-x:clip}
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/* Give the group-friend introduction a clearer presence. */
.friend-hero .eyebrow{font-size:18px;font-weight:500;line-height:1.6;gap:12px}
.friend-hero .eyebrow i{width:8px;height:8px;flex-shrink:0}
@media(max-width:700px){.friend-hero .eyebrow{font-size:16px;letter-spacing:.025em}}

/* The D+ experiment story belongs beside the model choice. */
.dplus-section{background:#f8faff;padding-top:74px;padding-bottom:72px}
.dplus-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin:47px 0 45px}.dplus-model{display:block;font-size:11px;color:#8496b3;margin-bottom:22px;letter-spacing:.03em}.dplus-heading h2{font-size:clamp(35px,3.8vw,53px)}.dplus-heading>p{font-size:12px;line-height:2;color:#8494ad;margin-bottom:5px}
.dplus-performance{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center;border-top:1px solid #dce4f0;border-bottom:1px solid #dce4f0;padding:47px 0 40px}
.dplus-artwork{position:relative;height:290px;display:flex;align-items:center;justify-content:center;isolation:isolate}.dplus-artwork:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse,#dfe9ff99,transparent 70%);z-index:-1}.dplus-artwork:after{content:"";position:absolute;border:1px solid #dce5f4;width:245px;height:245px;border-radius:50%;transform:rotate(-20deg) scaleX(1.23);z-index:-1}.dplus-lettering{font:italic 225px Georgia,"Times New Roman",serif;letter-spacing:-24px;line-height:1;transform:rotate(-7deg);padding-right:35px;color:#315bff;text-shadow:0 15px 24px #315bff13}.dplus-lettering>span{font-size:.55em;display:inline-block;vertical-align:34%;margin-left:8px;font-weight:400}.dplus-artwork>.mono{position:absolute;bottom:0;font-size:7px;color:#90a2bd;letter-spacing:.1em}.art-cross{position:absolute;font-size:17px;font-weight:300;color:#b4c5e1}.art-cross-top{top:10px;left:10px}.art-cross-bottom{right:0;bottom:39px}.art-axis{position:absolute;width:1px;background:#e1e8f4;height:230px;left:50%;transform:rotate(43deg);z-index:-1}
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/* Model references take the lead; the setup guide opens in one place. */
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