:root{color-scheme:dark;--bg:#080c0d;--surface:#111718;--border:#ffffff13;--text:#eff3f2;--muted:#8f9e9f;--accent:#4bd3b6;--body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;--heading:'Sora',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer;border:0}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.4}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--heading);font-weight:500}h2{font-size:clamp(2rem,3.6vw,3.15rem);line-height:1.22;letter-spacing:-.055em}h3{letter-spacing:-.035em}p{color:var(--muted)}img{display:block;max-width:100%;height:auto}.container{width:min(1224px,calc(100% - 96px));margin-inline:auto}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-definitions{width:0;height:0;position:absolute;overflow:hidden}.brand-mark{object-fit:contain;flex-shrink:0}.brand{display:inline-flex;align-items:center;gap:9px;font:600 1.6rem/1 var(--heading);letter-spacing:-1.2px;white-space:nowrap}.brand .brand-mark{width:45px;height:29px}.brand>span{position:relative}.brand sup{position:absolute;font:400 8px/1 var(--body);top:1px;right:-10px;letter-spacing:0}.gradient-text{color:#50d8bd;background:linear-gradient(110deg,#67dec7,#29bda0);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.section{padding-block:110px}.section-label,.label{display:block;font-size:.75rem;letter-spacing:.12em;font-weight:500;color:#849795}.section-label{margin-bottom:25px}.section-heading{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:end;margin-bottom:50px}.section-heading>p{max-width:430px;justify-self:end;font-size:1rem;line-height:1.8}.accent{color:var(--accent)}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;border-radius:8px;min-height:46px;padding:11px 18px;font-size:.875rem;line-height:1.5;font-weight:500;transition:background .2s,border-color .2s,transform .2s}.button .icon{width:18px;height:18px}.primary-button{background:linear-gradient(110deg,#46caae,#29b894);color:#052a20;border:1px solid #5de2bc55}.primary-button:hover{background:#68debd;transform:translateY(-2px)}.icon-button{width:44px;height:44px;display:inline-grid;place-items:center;border-radius:8px;background:transparent;color:#a1b4ad;flex-shrink:0}.icon-button:hover{background:#ffffff09;color:white}.inline-link{display:inline-flex;align-items:center;gap:12px;font-size:.875rem;font-weight:500;background:none;padding:8px 0}.inline-link .icon{width:17px;height:17px;transition:transform .2s}.inline-link:hover .icon{transform:translateX(4px)}.skip-link{position:fixed;top:10px;left:10px;z-index:100;transform:translateY(-180%);background:var(--accent);color:#08271d;border-radius:6px;padding:12px 18px}.skip-link:focus{transform:translateY(0)}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.site-header{position:relative;z-index:30;border-bottom:1px solid var(--border);background:#080c0d}.header-inner{height:92px;display:flex;align-items:center;justify-content:space-between;gap:25px}.desktop-nav{display:flex;gap:28px;margin-left:auto}.desktop-nav a{font-size:.875rem;color:#a7b4b4;white-space:nowrap}.desktop-nav a:hover{color:white}.header-actions{display:flex;align-items:center;gap:22px}.language-control{position:relative;display:flex;align-items:center;gap:7px}.language-control>.icon{width:17px;height:17px;color:#899c95}.locale-select{background:#080c0d;color:#c0ceca;border:0;cursor:pointer;font-size:.875rem;padding:10px 2px;max-width:112px}.locale-select option{background:#101718;color:#fff}.header-demo{border:1px solid #ffffff26;padding-inline:14px;color:#c7d9d2}.header-demo:hover{border-color:#5caa9366;background:#172622}.menu-toggle{display:none}.mobile-nav{position:absolute;top:92px;left:0;right:0;background:#111a19;border-bottom:1px solid #ffffff1f;padding:20px 28px 30px;box-shadow:0 30px 40px #0008}.mobile-nav a{display:block;padding:12px 0;font-size:1rem}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:64px;align-items:center;padding-block:66px 62px;min-height:860px}.hero-copy{padding-bottom:26px;min-width:0}.eyebrow{display:flex;align-items:center;gap:11px;font-size:.75rem;letter-spacing:.12em;color:#9cb7ad;margin-bottom:30px}.eyebrow>i{width:25px;height:1px;background:var(--accent)}h1{font-size:clamp(2.8rem,4.8vw,4.55rem);line-height:1.12;letter-spacing:-.065em;margin-bottom:27px}.hero-intro{max-width:485px;font-size:1.075rem;line-height:1.8;color:#aab9b8;margin-bottom:27px}.hero-copy>.primary-button{font-size:.9375rem;gap:27px;padding:13px 20px;min-height:49px}.hero-stores{display:flex;gap:10px;flex-wrap:wrap;margin-top:36px}.store-button{display:flex;align-items:center;gap:10px;border:1px solid #ffffff1a;border-radius:8px;min-height:64px;padding:9px 13px;background:#111919;text-align:left;transition:background .2s,border-color .2s}.store-button:hover{border-color:#467b695e;background:#172721}.store-button>.icon{width:22px;height:25px}.store-button small{display:block;font-size:.75rem;line-height:1.5;color:#8fa39a}.store-button strong{display:block;font-size:.875rem;line-height:1.6;font-weight:500;white-space:nowrap}.hero-footnote{display:block;color:#6f8780;font-size:.75rem;margin-top:18px}.demo-stage{position:relative;display:flex;align-items:center;flex-direction:column;min-width:0;isolation:isolate;scroll-margin-top:25px}.demo-stage:before{content:'';position:absolute;z-index:-1;inset:40px -15px 0;background:radial-gradient(ellipse at 50% 45%,#17413235,transparent 65%);pointer-events:none}.demo-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;width:min(100%,365px);padding-inline:2px;margin-bottom:15px}.demo-heading .label{font-size:.6875rem;letter-spacing:.06em}.expand-demo{width:32px;height:32px}.expand-demo .icon{width:17px;height:17px}.demo-device-host{width:100%;display:flex;justify-content:center}.phone{--identity-accent:#4bd3b6;width:366px;height:674px;max-width:100%;border:5px solid #26322f;border-radius:42px;padding:0 10px 14px;background:#0d1513;box-shadow:0 0 0 1px #5c72654d,0 0 0 3px #0b120f,0 35px 60px #0006;position:relative;overflow:hidden;display:flex;flex-direction:column}.phone:focus{outline:none}.phone-status{position:relative;height:37px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:3px 15px 0;color:#c1d0c7;font-size:.6875rem;font-weight:600}.phone-status>i{position:absolute;width:93px;height:23px;background:#020604;top:4px;left:50%;transform:translateX(-50%);border-radius:30px}.status-bars{font-size:10px;letter-spacing:-2px}.status-bars b{font-size:15px;letter-spacing:0;margin-left:4px}.home-indicator{width:100px;height:3px;border-radius:9px;position:absolute;bottom:6px;left:50%;transform:translateX(-50%);background:#a3b1a37a}.demo-under{text-align:center;margin-top:24px;max-width:390px}.demo-under>span{font-size:.75rem;display:block;color:#a1b6ac}.demo-under>small{display:block;font-size:.75rem;line-height:1.7;color:#688075;margin-top:5px}.pillars{display:flex;justify-content:space-between;gap:26px;border-block:1px solid var(--border);padding:27px 12px}.pillars>span{display:flex;align-items:center;gap:12px;font-size:.875rem;color:#a3b3ae}.pillars .icon{width:19px;height:19px;color:#76998c}
.reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:47px}.reason-grid article{border-top:1px solid #ffffff1a;padding-top:26px}.reason-number{font-size:.75rem;color:#75b6a1;display:block;margin-bottom:21px}.reason-grid h3{font-size:1.25rem;line-height:1.5;margin-bottom:13px}.reason-grid p{font-size:1rem;line-height:1.8}.identity-section{background:#0c1212;border-block:1px solid #ffffff09}.identity-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-bottom:18px}.identity-tab{--identity-accent:#4bd3b6;display:flex;align-items:center;gap:11px;text-align:left;min-height:68px;padding:16px;background:#101919;border:1px solid #ffffff10;border-radius:9px;color:#8daba0;transition:all .22s}.identity-tab>.icon{width:19px;height:19px}.identity-tab>span{font-size:.875rem}.identity-tab>small{font-size:.75rem;margin-left:auto;opacity:.4}.identity-tab:hover{background:#1b2724}.identity-tab.is-active{color:var(--identity-accent);background:color-mix(in srgb,var(--identity-accent) 8%,#0e1714);border-color:color-mix(in srgb,var(--identity-accent) 35%,transparent)}.identity-panel{--identity-accent:#4bd3b6;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:65px;padding:53px;background:linear-gradient(120deg,#131e1a,#111a17);border:1px solid #ffffff11;border-radius:12px;min-height:398px}.identity-story>.label{color:var(--identity-accent);margin-bottom:14px}.identity-story h3{font-size:1.9rem;line-height:1.33;max-width:420px;margin-bottom:20px}.identity-story>p{font-size:1rem;line-height:1.8;min-height:85px}.identity-note{display:flex;align-items:center;gap:9px;font-size:.875rem;color:#b2c6b9;margin-top:24px}.identity-note>.icon{width:16px;height:16px;color:var(--identity-accent)}.identity-story>.inline-link{margin-top:17px;color:#b2c8bd}.identity-card-wrap{display:flex;align-items:center;flex-direction:column;gap:24px;min-width:0;padding-inline:8px}.identity-card{width:100%;max-width:390px;background:linear-gradient(110deg,color-mix(in srgb,var(--identity-accent) 12%,#18251f),#13211a);border:1px solid color-mix(in srgb,var(--identity-accent) 25%,transparent);border-radius:16px;padding:26px;transform:rotate(-3deg);box-shadow:0 24px 40px #0003}.id-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.id-wordmark{display:flex;gap:6px;align-items:center;font-family:var(--heading);font-size:1rem;letter-spacing:-.03em}.id-wordmark>.brand-mark{width:28px;height:18px}.id-top>span:last-child{font-size:.75rem;color:var(--identity-accent)}.id-person{display:flex;gap:15px;align-items:center;margin:33px 0}.id-avatar{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:color-mix(in srgb,var(--identity-accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--identity-accent) 25%,transparent);color:var(--identity-accent);flex-shrink:0}.id-person strong{display:block;font-family:var(--heading);font-size:1rem;font-weight:500;line-height:1.4}.id-person>div>span{font-size:.75rem;color:#859f8e}.id-bottom{display:flex;align-items:end;justify-content:space-between;padding-top:17px;border-top:1px solid #ffffff12}.id-bottom>div>span{display:block;font-size:.625rem;letter-spacing:.1em;color:#6e947d}.id-bottom strong{font:400 .875rem/1.8 monospace;letter-spacing:.04em}.id-bottom>.icon{color:var(--identity-accent)}.id-caption{font-size:.6875rem;letter-spacing:.1em;color:#708c7a}.tech-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tech-card{border:1px solid #ffffff12;border-radius:12px;background:linear-gradient(120deg,#141d1b,#101716);padding:30px;min-width:0}.tech-wide{grid-column:span 2;display:flex;flex-direction:column;align-items:flex-start;min-height:432px}.tech-card h3{font-size:1.5rem;line-height:1.4;margin-bottom:15px;max-width:380px}.tech-card p{font-size:1rem;line-height:1.8}.feature-icon{--feature:#4bd3b6;display:grid;place-items:center;width:42px;height:42px;border-radius:11px;color:var(--feature);background:color-mix(in srgb,var(--feature) 7%,transparent);border:1px solid color-mix(in srgb,var(--feature) 17%,transparent);margin-bottom:23px}.security-illustration{width:100%;border:1px solid #ffffff11;border-radius:10px;background:#0b1510;padding:17px 20px;margin-top:30px}.illustration-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:.875rem;color:#c1d3c7;margin-bottom:6px}.illustration-heading>span{font-size:.625rem;letter-spacing:.04em;color:#647e6a}.security-illustration>div:not(:first-child){display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ffffff09;padding-block:13px;color:#7eac91;font-size:.875rem}.security-illustration>div:last-child{border:0;padding-bottom:0}.security-illustration>div>span{display:flex;align-items:center;gap:11px;color:#98b1a0}.security-illustration .icon{width:17px;height:17px}.mini-identity-row{display:flex;gap:16px;margin:auto 0 25px;padding-top:35px}.mini-identity-row>span{color:var(--identity-accent);display:grid;place-items:center;width:59px;height:65px;border:1px solid color-mix(in srgb,var(--identity-accent) 20%,transparent);border-radius:12px;background:color-mix(in srgb,var(--identity-accent) 6%,#152019);transform:rotate(-7deg)}.mini-identity-row>span:nth-child(2n){transform:translateY(7px) rotate(5deg)}.quiet-card>.label{font-size:.75rem;color:#7c9b86}.tech-small{display:flex;flex-direction:column;align-items:flex-start;padding:27px 25px}.tech-small h3{font-size:1.125rem;line-height:1.5}.tech-small p{font-size:.9375rem;line-height:1.85}.feature-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto;padding-top:25px}.feature-tags>span{border:1px solid #ffffff16;padding:4px 8px;border-radius:5px;color:#92a89a;font-size:.75rem}.feature-tags>.highlight-tag{color:#c0a479;border-color:#8f6e3d4d;background:#51391629}.preview-notification{display:flex;align-items:center;gap:10px;background:#1b2822;border:1px solid #ffffff0b;border-radius:8px;padding:12px;margin-top:24px;width:100%;font-size:.75rem;color:#b8cabc}.preview-notification>.brand-mark{width:26px;height:17px}.preview-notification>span>strong{font-size:.625rem;display:block;color:#8ba593;font-weight:500;letter-spacing:.03em}.encryption-path{display:flex;align-items:center;gap:12px;width:100%;margin-top:auto;padding-top:26px;color:#70927d}.encryption-path i{height:1px;flex:1;background:#365c43}.encryption-path>.icon{width:20px;height:20px}.development-note{font-size:.75rem;line-height:1.85;color:#6b8479;margin-top:27px;text-align:center;max-width:880px;margin-inline:auto}.statement-section{text-align:center;background:radial-gradient(ellipse at 50% 50%,#173c2c40,transparent 70%),#0a1110;border-block:1px solid #ffffff09;padding:103px 0}.statement-section .section-label{color:#799e87;font-size:.6875rem}.statement-section h2{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.25;letter-spacing:-.06em}.statement-section p{margin-top:26px;font-size:1rem;color:#829f8d}.platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.platform-card{position:relative;display:flex;align-items:flex-start;flex-direction:column;padding:29px;border:1px solid #ffffff18;border-radius:12px;background:linear-gradient(135deg,#141c1b,#0d1612);text-align:left;transition:background .22s,transform .22s,border-color .22s}.platform-card:hover{border-color:#56886b70;background:#17281b;transform:translateY(-4px)}.platform-card.is-device{border-color:#4c89694f}.platform-icon{width:30px;height:33px;margin-bottom:32px}.platform-name{font-family:var(--heading);font-size:1.125rem;letter-spacing:-.04em;line-height:1.5}.platform-description{font-size:.875rem;color:#7f9a89;margin-top:8px}.platform-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px;padding-top:21px;border-top:1px solid #ffffff12;width:100%;flex-wrap:wrap}.platform-bottom strong{font-size:.875rem;color:#aabfac;font-weight:400}.coming-soon{font-size:.75rem;padding:4px 8px;border:1px solid #83bd9130;border-radius:5px;color:#8bb596;background:#2d5e3626}.availability-note{font-size:.75rem;color:#758e7d;text-align:center;margin-top:25px}.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;border-top:1px solid var(--border);padding-top:85px}.faq-list details{border-bottom:1px solid #ffffff17}.faq-list details:first-child{border-top:1px solid #ffffff17}.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;cursor:pointer;font-size:1rem;color:#d2ddd7}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>.icon{width:18px;height:18px;color:#789783;transition:transform .2s}.faq-list details[open] summary>.icon{transform:rotate(45deg);color:#6abb90}.faq-list details p{font-size:1rem;line-height:1.85;padding:0 20px 25px 0}.site-footer{border-top:1px solid var(--border);padding:40px 0 25px;background:#070b09}.footer-top{display:flex;align-items:center;gap:35px;padding-bottom:32px}.footer-top>p{font-size:.875rem;color:#82948b}.footer-top>a:last-child{margin-left:auto;display:flex;gap:10px;align-items:center;font-size:.875rem;color:#a0b2a4}.footer-top>a:last-child>.icon{width:16px;height:16px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid #ffffff0d;padding-top:22px;font-size:.75rem;color:#6b8576}.footer-bottom>span:nth-child(2){letter-spacing:.08em}.launch-dialog{position:fixed;width:min(465px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:47px 35px 32px;text-align:center;background:linear-gradient(145deg,#172d22,#0e1812);color:var(--text);border:1px solid #5780664d;border-radius:20px;box-shadow:0 40px 90px #0009;overflow:auto}.launch-dialog::backdrop,.demo-dialog::backdrop{background:#030705d9;backdrop-filter:blur(10px)}.launch-dialog>.brand-mark{width:70px;height:auto;margin:0 auto 25px}.launch-dialog>.label{margin-bottom:12px}.launch-dialog h2{font-size:1.75rem;margin-bottom:20px}.launch-dialog p{font-size:1rem;line-height:1.8}.launch-dialog>.button{width:100%;margin-top:27px}.dialog-close{position:absolute;top:10px;right:10px}.demo-dialog{padding:0 14px 14px;border:1px solid #3c564340;border-radius:18px;background:#0c1710;width:420px;max-width:calc(100% - 16px);max-height:calc(100dvh - 16px);overflow:hidden;color:var(--text)}.demo-modal-bar{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;min-height:48px;color:#9eaea4}.demo-modal-bar .icon-button{width:38px;height:38px}.demo-dialog .phone{width:100%;height:min(730px,calc(100dvh - 96px));border-radius:28px;border-width:2px;box-shadow:none}.demo-dialog .phone-status{display:none}.demo-dialog .app-shell{padding-top:12px}.demo-dialog .app-scroll{scrollbar-width:thin}.demo-dialog .home-indicator{bottom:5px}
/* Live product demo */
.app-shell{min-height:0;flex:1;display:flex;flex-direction:column;color:#dce8df;font-size:.875rem;line-height:1.5;position:relative}.app-header{display:flex;align-items:center;justify-content:space-between;padding:5px 9px 10px;flex-shrink:0;gap:8px}.app-brand{display:flex;align-items:center;gap:6px;font:500 1.125rem/1 var(--heading);letter-spacing:-.04em}.app-brand>.brand-mark{width:28px;height:18px}.app-demo-badge{font-size:.5625rem;letter-spacing:.065em;color:#6c8d78;border:1px solid #47684e35;padding:4px 6px;border-radius:4px;max-width:115px;text-align:center}.app-scroll{overflow-y:auto;overflow-x:hidden;min-height:0;flex:1;scrollbar-width:thin;scrollbar-color:#26462e transparent;overscroll-behavior:contain;padding:0 8px 14px}.app-title-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:19px 0 12px}.app-title-row h3{font-size:1.4rem;font-family:var(--body);font-weight:550;letter-spacing:-.04em}.app-title-row .icon-button{width:34px;height:34px;background:#27452c44;color:#84c39a}.active-identity{width:100%;display:flex;align-items:center;gap:11px;padding:12px;background:color-mix(in srgb,var(--identity-accent) 7%,#101c14);border:1px solid color-mix(in srgb,var(--identity-accent) 22%,transparent);border-radius:10px;text-align:left}.app-id-avatar{width:37px;height:37px;display:grid;place-items:center;border-radius:9px;background:color-mix(in srgb,var(--identity-accent) 8%,#18241b);color:var(--identity-accent);flex-shrink:0}.app-id-avatar .icon{width:19px;height:19px}.active-identity span:nth-child(2){min-width:0}.active-identity small{display:block;font-size:.625rem;line-height:1.4;color:#7d9c87;margin-bottom:2px}.active-identity strong{font-size:.875rem;font-weight:500;line-height:1.5;color:#bdd9c6}.active-identity>.icon{margin-left:auto;width:16px;height:16px;color:var(--identity-accent)}.app-filters{display:flex;gap:7px;border-bottom:1px solid #ffffff0b;padding-bottom:13px}.app-filters>button{font-size:.75rem;line-height:1.5;color:#819d8b;background:transparent;padding:6px 11px;border-radius:6px;min-height:34px}.app-filters>button.is-active{background:#294f3449;color:#b6dcc6}.app-filters small{font-size:.625rem;margin-left:4px;color:#add5ba}.app-chat-row{display:flex;align-items:center;gap:10px;width:100%;padding:17px 0;border-bottom:1px solid #ffffff0b;background:none;text-align:left;border-radius:0}.app-chat-row:hover{background:#ffffff03}.contact-avatar{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;font-size:.75rem;font-weight:500;background:linear-gradient(130deg,var(--avatar-bg,#425247),#203123);color:var(--avatar-fg,#bccdb8);border:1px solid #ffffff0c;flex-shrink:0}.contact-avatar.large{width:66px;height:66px;font-size:1.125rem}.chat-row-text{min-width:0;flex:1}.chat-row-text strong{display:block;font-size:.8125rem;font-weight:500;color:#d7e2db;line-height:1.6}.chat-row-text 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html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{letter-spacing:-.02em;font-weight:500}html[lang=zh-CN] .hero-intro{line-height:1.95}html[lang=de] .hero h1{font-size:clamp(2.4rem,4.45vw,4.15rem)}html[lang=fr] .hero h1{font-size:clamp(2.65rem,4.6vw,4.4rem)}
@media(max-width:760px){html[lang=de] .hero h1{font-size:clamp(2.25rem,7.8vw,3.9rem)}html[lang=fr] .hero h1{font-size:clamp(2.55rem,8vw,4.1rem)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
/* Keep interactive controls readable at the actual phone size. */
.app-chat-row .chat-row-text strong,.app-setting-row strong,.thread-contact strong,.app-composer input,.message-bubble{font-size:.875rem}
.app-chat-row .chat-row-text p,.app-nav button,.app-setting-row p,.app-page-subtitle,.app-footnote,.app-bottom-note,.app-settings-notification,.app-request p{font-size:.75rem}
.app-demo-badge{font-size:.625rem;letter-spacing:0;max-width:124px}
.app-switch{min-height:32px;width:46px;padding:7px 6px}.app-switch>i{width:18px;height:18px}.app-switch[aria-checked=true]>i{transform:translateX(16px)}
@media(max-width:760px){.app-composer input{font-size:1rem}}