:root{--paper:#f5f7fb;--ink:#182740;--muted:#53647d;--line:#d8e0ed;--coral:#3e62bf;--violet:#6a60a7;--soft:#eaf0f8;--white:#ffffff;--radius:18px;font-family:Inter,"Avenir Next",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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#203d6815;width:355px;max-width:81%;left:50%;top:58px;transform:translateX(-50%) rotate(-3deg);border-radius:13px;overflow:hidden}.window-top{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #e4ebf5;font-size:8px;letter-spacing:1px;color:#53647d}.traffic{display:flex;gap:4px}.traffic i{height:5px;width:5px;background:#b8c6db;border-radius:50%}.window-content{padding:25px 27px 22px}.window-label{font-size:8px;letter-spacing:1.3px;color:#53647d}.window-content h2{font-size:31px;line-height:1.45;margin-top:14px;font-weight:550}.pulse-line{width:100%;height:56px;color:var(--coral);margin:6px 0}.demo-row{display:flex;gap:12px;align-items:center;padding:14px 0;border-top:1px solid #eaf0f8}.demo-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.coral{background:var(--coral)}.violet{background:var(--violet)}.demo-row strong,.demo-row div>span{display:block}.demo-row strong{font-size:12px;font-weight:500}.demo-row 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20px;border-radius:10px;gap:13px;transform:rotate(4deg);background:#e8edf9;border-color:#d5def2}.privacy-chip>span{font-size:30px;color:var(--violet)}figcaption{position:absolute;bottom:-1px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:9px;color:#53647d;letter-spacing:.4px}.principles{padding:26px 0;border-block:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);font-size:13px;gap:10px}.principles>span{display:flex;gap:15px;align-items:center;justify-content:center}.principles>span+span{border-left:1px solid var(--line)}.principles i{font-style:normal;color:var(--coral);font-size:10px}.section{padding-block:95px}.section-heading h2{font-size:36px;line-height:1.45;margin-top:12px}.section-heading>p:last-child:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted);margin-top:16px}.section-heading .eyebrow{color:#375ca8}.download-panel{border:1px solid var(--line);border-radius:var(--radius);margin-top:37px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:27px;background:var(--white)}.app-tile{display:flex;align-items:center;gap:22px}.app-tile img{filter:drop-shadow(0 10px 15px #3e62bf20);flex-shrink:0}.app-tile h3{font-size:23px;letter-spacing:-.8px}.app-tile p{color:var(--muted);font-size:12px;margin-top:8px}.release-info{padding-left:30px;border-left:1px solid var(--line)}.status{font-size:12px;display:inline-flex;align-items:center;gap:8px;color:#365a8c;font-weight:600}.status>span{width:6px;height:6px;border-radius:50%;background:#5273ad}.release-info>p{font-size:12px;color:var(--muted);margin-top:9px}.pending{background:#e6ecf6;color:#53647d;cursor:not-allowed;margin-top:18px;min-width:225px}.release-info>p.fine{font-size:10px}.requirements{grid-column:1/-1;padding-top:24px;border-top:1px solid var(--line)}.requirements h4{font-size:13px}.requirements ul{padding-left:18px;margin:14px 0 0;color:var(--muted);font-size:12px;line-height:2.2}.requirements strong{font-weight:550;color:var(--ink)}.requirements>p{font-size:11px;color:#53647d;margin-top:10px;line-height:1.8}.guide-section{background:#edf2f9;border-block:1px solid #dce5f2}.guide-layout{display:grid;grid-template-columns:260px 1fr;gap:70px;margin-top:51px}.guide-aside{align-self:start;position:sticky;top:30px}.aside-title{font-size:11px;color:#53647d;letter-spacing:2px;margin-bottom:19px}.guide-aside nav{display:flex;flex-direction:column;border-left:1px solid #cfdbec;gap:0}.guide-aside nav a{font-size:13px;padding:14px 0 14px 20px;display:flex;gap:15px;margin-left:-1px;border-left:2px solid transparent}.guide-aside nav a:hover{border-left-color:var(--coral);color:#284c9b}.guide-aside nav span{font-size:10px;color:#53647d;padding-top:2px}.aside-note{display:flex;gap:15px;margin-top:39px;font-size:11px;line-height:1.9;color:var(--muted)}.aside-note>span{color:var(--coral);font-size:24px}.steps{min-width:0}.step{display:grid;grid-template-columns:40px 1fr;gap:19px;padding-bottom:31px;scroll-margin-top:35px}.step+.step{padding-top:31px;border-top:1px solid #d3dff0}.step-number{height:33px;width:33px;border:1px solid #adc0df;border-radius:50%;font-size:11px;display:grid;place-items:center;color:#375ca8}.step-kicker{font-size:10px;color:#53647d;margin-top:0;letter-spacing:1px}.step h3{font-size:21px;line-height:1.5;margin-top:8px;letter-spacing:-.4px}.step h3+p{font-size:13px;line-height:1.95;color:var(--muted);margin-top:13px}.tip{margin-top:16px;border-left:2px solid #9cb2d7;padding-left:12px;color:#455f88;font-size:11px;line-height:1.8}.pending-note{margin-top:16px;display:flex;align-items:center;gap:9px;color:#455f88;font-size:11px;line-height:1.8}.pending-note span{font-size:17px}.checklist{margin-top:40px;background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:35px 39px;display:grid;grid-template-columns:1fr 1.15fr;gap:35px}.checklist .eyebrow{font-size:9px;color:#b9c8e7}.checklist h3{font-size:25px;margin-top:11px}.checklist p:not(.eyebrow){font-size:11px;color:#c3cfe2;margin-top:12px;line-height:1.8}.checklist fieldset{border:0;padding:0;margin:0;min-width:0;display:flex;flex-direction:column;gap:13px}.checklist label{font-size:12px;display:flex;gap:12px;align-items:center;line-height:1.6;cursor:pointer}.checklist input{accent-color:var(--coral);width:16px;height:16px;margin:0;flex-shrink:0}.checklist p.checklist-status{margin-top:0;color:#c2d5ff;font-size:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.faq-section{display:grid;grid-template-columns:.85fr 1.4fr;gap:65px}.faq-section h2{font-size:31px;max-width:270px;line-height:1.5}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}summary{list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;cursor:pointer;gap:20px;padding:23px 0;line-height:1.7}summary::-webkit-details-marker{display:none}summary>span{font-size:22px;font-weight:400;color:#48679f;flex-shrink:0}details[open] summary>span{transform:rotate(45deg)}details>p{font-size:12px;line-height:2;color:var(--muted);padding:0 25px 23px 0}.closing{border-top:1px solid var(--line);padding:62px 0 68px;text-align:center;position:relative}.closing .eyebrow{color:#375ca8;font-size:9px}.closing h2{font-size:37px;line-height:1.5;margin:18px 0 24px}.closing .button{padding:14px 21px;font-size:12px;min-height:46px}footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:28px 0 35px;gap:20px}footer .brand{font-size:15px}footer p{font-size:10px;color:var(--muted)}footer>span{font-size:9px;letter-spacing:1.5px;color:#53647d}
@media(min-width:1440px){.hero{min-height:690px}.hero-visual{transform:scale(1.04)}}
@media(max-width:1000px){.wrap{width:calc(100% - 60px)}.hero h1{font-size:40px}.hero{gap:0}.hero-visual{height:450px}.pulse-window{max-width:85%;top:50px}.window-content{padding:24px 20px 18px}.source-chip{left:-5px;padding:11px}.privacy-chip{right:-8px;bottom:28px;padding:13px}.guide-layout{grid-template-columns:210px 1fr;gap:35px}.app-tile{gap:17px}.app-tile h3{font-size:20px}.app-tile img{width:67px;height:67px}.download-panel{padding:28px}.release-info{padding-left:25px}.faq-section{gap:30px}.actions{gap:17px}.text-link{font-size:12px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{height:80px}.brand{font-size:18px;gap:8px}.brand img{width:30px;height:30px}.header nav{gap:17px;font-size:12px}.header nav>a:nth-child(2){display:none}.nav-download{padding:9px 12px;gap:12px}.hero{grid-template-columns:1fr;padding:46px 0 40px;gap:26px}.hero h1{font-size:37px;letter-spacing:-1.5px;margin-top:20px}.intro{font-size:15px;margin-top:21px;line-height:1.9}.hero .eyebrow{font-size:9px;letter-spacing:1.8px}.hero-visual{height:442px;max-width:470px;width:100%;margin:10px auto 0}.pulse-window{width:324px;max-width:83%;top:47px}.source-chip{left:0;top:8px}.privacy-chip{bottom:23px;right:0}.window-content h2{font-size:29px}.hero .fine{font-size:10px}.principles{gap:0;padding:21px 0;font-size:10px;line-height:1.8}.principles>span{gap:6px;flex-direction:column}.principles i{font-size:9px}.section{padding-block:61px}.section-heading h2{font-size:29px;letter-spacing:-1px}.section-heading>p:last-child:not(.eyebrow){font-size:12px;margin-top:13px}.eyebrow{font-size:9px;letter-spacing:1.7px}.download-panel{margin-top:28px;padding:24px;grid-template-columns:1fr;gap:24px}.app-tile h3{font-size:21px}.app-tile img{width:63px;height:63px}.release-info{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.pending{width:100%}.requirements{padding-top:22px}.requirements ul{font-size:11px;line-height:2}.requirements>p{font-size:10px}.guide-layout{display:block;margin-top:30px}.guide-aside{position:static;margin-bottom:32px}.aside-title,.aside-note{display:none}.guide-aside nav{display:grid;grid-template-columns:1fr 1fr;border:1px solid #d3dff0;border-radius:9px;padding:8px}.guide-aside nav a{font-size:11px;padding:10px 8px;gap:8px}.step{grid-template-columns:30px 1fr;gap:14px;padding-bottom:27px}.step+.step{padding-top:27px}.step-number{width:29px;height:29px;font-size:10px}.step h3{font-size:19px}.step h3+p{font-size:12px}.tip,.pending-note{font-size:10px}.checklist{grid-template-columns:1fr;padding:27px 25px;gap:24px;margin-top:25px}.checklist h3{font-size:23px}.checklist label{font-size:11px}.faq-section{grid-template-columns:1fr;gap:27px}.faq-section h2{font-size:29px;max-width:none}.faq-list summary{font-size:12px;padding:20px 0}.faq-list details>p{font-size:11px}.closing{padding:43px 0 49px}.closing h2{font-size:31px}footer{flex-wrap:wrap;padding:24px 0;gap:13px}footer p{order:3;width:100%;font-size:9px}footer>span{font-size:8px}}
@media(max-width:380px){.wrap{width:calc(100% - 32px)}.header nav{gap:12px}.header nav>a:first-child{display:none}.hero h1{font-size:32px}.actions{gap:16px}.button{padding:15px 18px;font-size:12px;gap:24px}.text-link{font-size:11px}.hero-visual{height:428px}.privacy-chip{padding:11px 13px}.privacy-chip strong{font-size:10px}.source-chip{padding:10px 12px}.principles{font-size:9px}.app-tile h3{font-size:18px}.download-panel{padding:22px}.guide-aside nav a{font-size:10px;gap:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary{transition:none}.primary:hover{transform:none}}

.faq-list details>p a{text-decoration:underline;text-underline-offset:3px;color:#284c9b}

.download-button{margin-top:18px;min-width:225px}.file-details{margin-top:15px;border-top:1px solid var(--line)}.file-details summary{padding:13px 0;font-size:11px}.file-details p{font-size:10px;line-height:1.9;color:var(--muted);padding-bottom:2px}.checksum{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,monospace}@media(max-width:760px){.download-button{width:100%}}

.install-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.install-steps article{padding:23px 23px 25px;background:var(--white);border:1px solid var(--line);border-radius:12px}.install-steps article>span{font-size:9px;color:#375ca8;letter-spacing:1.3px}.install-steps h3{font-size:17px;margin:12px 0 10px}.install-steps p{font-size:12px;line-height:1.9;color:var(--muted)}@media(max-width:760px){.install-steps{grid-template-columns:1fr;gap:12px}.install-steps article{padding:20px}.install-steps h3{font-size:16px;margin-top:8px}.install-steps p{font-size:11px}}
/* Compact language control; the existing page composition is unchanged. */
.header-controls{display:flex;align-items:center;gap:25px}.language-switch{display:flex;padding:3px;border:1px solid var(--line);border-radius:25px;gap:2px;flex-shrink:0}.language-switch button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:7px 9px;min-height:32px;border-radius:20px;cursor:pointer}.language-switch button[aria-pressed="true"]{background:var(--ink);color:var(--white)}html[lang="en"] .hero h1{font-size:clamp(35px,3.6vw,49px);word-break:normal;letter-spacing:-1.8px}html[lang="en"] .window-content h2{font-size:28px;letter-spacing:-1px}html[lang="en"] .intro{font-size:16px;line-height:1.8}html[lang="en"] .hero-visual figcaption{font-size:9px}html[lang="en"] .principles{font-size:12px}html[lang="en"] .section-heading h2{letter-spacing:-1px}html[lang="en"] .guide-aside nav a{font-size:12px}html[lang="en"] .app-tile h3{white-space:nowrap}html[lang="en"] .requirements li{line-height:1.95;margin-block:6px}@media(max-width:1000px){.header-controls{gap:15px}.header nav{gap:18px}html[lang="en"] .hero h1{font-size:38px}html[lang="en"] .hero .actions{gap:15px}html[lang="en"] .hero .button{gap:15px;padding:15px 17px}}@media(max-width:760px){.header{height:auto;min-height:112px;flex-wrap:wrap;gap:15px;padding-block:18px}.header-controls{display:contents}.language-switch{margin-left:auto;order:1}.header .brand{order:0}.header nav{order:2;width:100%;justify-content:space-between;gap:15px}.header nav>a:nth-child(2){display:inline-block}.nav-download{padding:7px 12px}.header nav>a:first-child{display:inline-block}html[lang="en"] .hero h1{font-size:39px}html[lang="en"] .intro{font-size:14px}html[lang="en"] .intro br{display:none}html[lang="en"] .principles{font-size:10px}html[lang="en"] .guide-aside nav a{font-size:10px}html[lang="en"] .section-heading h2{font-size:28px}html[lang="en"] .app-tile h3{font-size:19px}}@media(max-width:380px){html[lang="en"] .hero h1{font-size:34px}html[lang="en"] .hero .actions{align-items:flex-start;flex-direction:column;gap:17px}html[lang="en"] .app-tile h3{font-size:16px}.language-switch button{font-size:10px;padding:6px 8px}.header nav{font-size:11px}}

/* Keep rotated decorative orbits inside the hero on narrow screens. */
.hero-visual{overflow:hidden;overflow:clip}