:root{color-scheme:light dark;--paper:#f4f2ec;--ink:#242b29;--muted:#59615c;--line:#d0d3cb;--accent:#3e6156;--soft:#e8e9e1;--serif:Georgia,'Times New Roman',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}img{display:block;width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin:0}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.045em;line-height:1.09}h1{font-size:clamp(48px,5.3vw,82px)}h2{font-size:clamp(38px,4vw,60px)}h3{font-size:18px;font-weight:550;line-height:1.4}p+p{margin-top:20px}strong{font-weight:600}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.site-header{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{display:inline-flex;align-items:center;gap:15px;text-decoration:none;font-size:21px;letter-spacing:-.035em;white-space:nowrap}.wordmark span{font-family:'Hiragino Mincho ProN','Yu Mincho',serif;font-size:29px;letter-spacing:.07em}.site-header nav,.site-footer nav{display:flex;align-items:center;gap:32px;font-size:14px}.site-header nav a{text-decoration:none;min-height:44px;display:flex;align-items:center}.skip-link{position:absolute;top:-100px;left:15px;background:var(--paper);padding:10px 16px;z-index:10}.skip-link:focus{top:10px}.eyebrow{font-size:12px;line-height:1.6;letter-spacing:.14em;text-transform:uppercase;margin-bottom:24px;color:var(--muted)}.hero-copy{display:grid;grid-template-columns:1.8fr 1fr;align-items:end;gap:60px;padding-top:40px;padding-bottom:60px}.hero-aside{max-width:280px;justify-self:end;padding-bottom:5px}.hero-aside p{font-size:18px}.button{display:inline-flex;gap:32px;justify-content:space-between;align-items:center;text-decoration:none;background:var(--ink);color:var(--paper);padding:13px 22px;margin-top:25px;font-size:14px;min-height:48px}.button:hover{background:var(--accent);color:var(--paper)}.hero-photo{aspect-ratio:2/1;object-fit:cover;object-position:50% 54%}.photo-credit{font-size:11px;color:var(--muted);padding-top:14px;line-height:1.5}.section{padding-block:116px}.moment,.eyepiece,.long-days,.yours{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,8vw,140px);align-items:start}.section-heading{max-width:650px}.moment-copy{padding-top:43px}.small{font-size:14px;color:var(--muted);line-height:1.65}.text-link{display:inline-flex;gap:24px;align-items:center;font-size:14px;margin-top:26px;min-height:44px}.wide-photo img{aspect-ratio:1.75;object-fit:cover;object-position:50% 50%}.focus .section-heading{margin-bottom:64px}.screens{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(32px,5vw,88px)}.screens figure{min-width:0}.screens img{width:min(100%,268px);margin-inline:auto;box-shadow:0 12px 32px #00000012}.screens figcaption{margin-top:30px;border-top:1px solid var(--line);padding-top:20px}.screens figcaption p{font-size:15px;line-height:1.65;margin-top:10px}.scope-note{font-size:14px;line-height:1.7;color:var(--muted);margin-top:48px;max-width:700px}.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.photo-pair img{height:auto;aspect-ratio:3/2;object-fit:cover}.eyepiece>div:last-child{padding-top:44px}.edge-photo img{max-height:760px;object-fit:cover;aspect-ratio:2/1}.trap{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.trap-copy{max-width:440px;margin-inline:auto}.trap-copy h2{font-size:clamp(48px,5.5vw,80px);margin-bottom:32px}.trap-screen img{width:min(100%,285px);margin-inline:auto}.flight-pair{padding-bottom:0}.day-notes{padding-top:44px}.day-notes p{border-bottom:1px solid var(--line);padding-bottom:24px}.hide-photo{max-width:1000px}.hide-photo img{aspect-ratio:1.65;object-fit:cover}.yours>div:last-child{padding-top:44px}.requirements{border-top:1px solid var(--line);padding-block:44px 100px;display:grid;grid-template-columns:.8fr 1.3fr .7fr;gap:40px;align-items:start}.requirements h2{font-family:var(--sans);font-size:19px;letter-spacing:0;line-height:1.6}.requirements p{font-size:15px}.requirements .text-link{margin-top:0;justify-self:end}.closing{position:relative;min-height:640px;display:flex;align-items:center;justify-content:flex-end;padding:70px max(56px,calc((100% - 1280px)/2))}.closing>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:25% 50%}.closing-card{position:relative;background:var(--paper);padding:50px;max-width:440px}.closing-card h2{font-size:52px;margin-bottom:28px}.closing-card p{font-size:15px}.closing-card .eyebrow{font-size:12px}.site-footer{display:flex;gap:24px;align-items:center;flex-wrap:wrap;padding-block:42px}.site-footer .wordmark{font-size:18px}.site-footer .wordmark span{font-size:24px}.site-footer>p{font-size:12px;color:var(--muted);margin-right:auto}.site-footer nav{gap:24px;font-size:13px}.site-footer nav a{display:inline-block;padding-block:8px}.site-footer nav span{color:var(--muted)}.page-intro{padding-block:60px 76px}.page-intro>p:not(.eyebrow){margin-top:26px;max-width:640px}.support-page{max-width:1080px}.setup-steps{list-style:none;counter-reset:setup;display:grid;grid-template-columns:1fr 1fr;padding:0;gap:45px 75px;margin-top:44px}.setup-steps li{counter-increment:setup;border-top:1px solid var(--line);padding-top:22px}.setup-steps li:before{content:'0' counter(setup);font:14px var(--serif);color:var(--muted);display:block;margin-bottom:20px}.setup-steps p{font-size:16px;margin-top:12px}.support-page>section>h2{font-size:36px}.faq h2{margin-bottom:34px}.faq details{border-top:1px solid var(--line);padding:0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;padding:24px 35px 24px 0;font-size:18px;position:relative;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:0;top:22px;font-size:22px;font-weight:300}details[open] summary:after{content:'−'}details>p{padding-bottom:28px;max-width:760px;font-size:16px}.contact{border-top:1px solid var(--line);padding:60px 0 90px}.contact p{max-width:630px;font-size:15px}.contact-email{font-family:var(--serif);font-size:clamp(22px,4vw,40px);display:inline-block;margin:24px 0;overflow-wrap:anywhere}.document{max-width:840px}.document .page-intro h1{font-size:58px}.document section{margin-bottom:50px}.document h2{font-size:30px;margin-bottom:20px}.document h3{margin:26px 0 12px}.document .contents{display:flex;gap:12px 25px;flex-wrap:wrap;border-block:1px solid var(--line);padding-block:24px;margin-bottom:55px;font-size:14px}.document li{margin-bottom:16px}.document .draft-banner{border:1px solid var(--line);padding:20px;margin-top:32px;font-size:14px}.draft-banner p{margin-top:8px}.pending{color:var(--muted)}p.pending{padding:14px;border-left:2px solid var(--line);font-size:14px}.muted{color:var(--muted)}.missing{padding-block:100px 160px;min-height:65vh}.missing h1{margin-bottom:25px}.missing p{max-width:550px}.missing>p:last-child{margin-top:20px}
@media(prefers-color-scheme:dark){:root{--paper:#171c1b;--ink:#ecece4;--muted:#aeb8b0;--line:#3b4640;--accent:#b3c6b8;--soft:#252e28}.screens img{box-shadow:none}.button:hover{color:#171c1b}.closing-card{background:#171c1bf5}}
@media(min-width:1600px){.hero-photo{max-height:850px}}
@media(max-width:900px){.wrap{width:calc(100% - 64px)}.hero-copy{gap:30px;grid-template-columns:1.7fr 1fr}.hero-aside{max-width:220px}.hero-aside p{font-size:16px}.screens{gap:28px}.section{padding-block:85px}.requirements{grid-template-columns:1fr 2fr}.requirements .text-link{grid-column:2;justify-self:start}.trap{gap:45px}.closing{padding-inline:32px}.site-footer>p{width:50%}}
@media(max-width:700px){body{font-size:16px}.wrap{width:calc(100% - 40px)}.site-header{min-height:84px;gap:14px}.wordmark{gap:10px;font-size:19px}.wordmark span{font-size:26px}.site-header nav{gap:20px;font-size:13px}.hero-copy{display:block;padding-top:33px;padding-bottom:38px}.eyebrow{font-size:10px;letter-spacing:.13em;margin-bottom:20px}h1{font-size:clamp(40px,9.9vw,64px)}h2{font-size:40px}.hero-aside{max-width:100%;margin-top:25px}.hero-aside p{max-width:260px;font-size:16px}.hero-aside .button{margin-top:21px}.hero-photo{aspect-ratio:4/3;object-position:52% 50%}.photo-credit{font-size:10px;padding-top:12px}.section{padding-block:70px}.moment,.eyepiece,.long-days,.yours{grid-template-columns:1fr;gap:27px}.moment-copy,.eyepiece>div:last-child,.day-notes,.yours>div:last-child{padding-top:0}.small{font-size:13px}.wide-photo{width:100%}.wide-photo img{aspect-ratio:3/2}.focus .section-heading{margin-bottom:38px}.screens{grid-template-columns:1fr;gap:52px}.screens figure{max-width:310px;margin-inline:auto;width:100%}.screens img{width:250px;max-width:100%}.screens figcaption{margin-top:24px;padding-top:17px}.screens figcaption p{font-size:15px;max-width:290px}.scope-note{font-size:13px;margin-top:38px}.photo-pair{grid-template-columns:1fr;gap:20px}.photo-pair img{aspect-ratio:3/2}.edge-photo img{aspect-ratio:3/2}.trap{grid-template-columns:1fr;gap:40px}.trap-copy{max-width:none}.trap-copy h2{font-size:54px;margin-bottom:25px}.trap-screen img{width:260px}.flight-pair{gap:20px}.hide-photo img{aspect-ratio:1.35}.requirements{grid-template-columns:1fr;gap:18px;padding:30px 0 60px}.requirements .text-link{grid-column:auto;justify-self:start}.requirements p{max-width:420px}.closing{min-height:620px;align-items:flex-end;justify-content:stretch;padding:210px 20px 28px}.closing>img{object-position:33% 50%}.closing-card{padding:30px;width:100%;max-width:none}.closing-card h2{font-size:44px}.closing-card p{font-size:14px}.site-footer{padding-block:32px;gap:18px}.site-footer>p{width:auto;margin-left:auto;font-size:10px}.site-footer nav{width:100%;justify-content:flex-start;gap:25px;font-size:13px}.page-intro{padding-block:40px 55px}.setup-steps{grid-template-columns:1fr;gap:28px;margin-top:28px}.support-page>section>h2{font-size:32px}.setup-steps li:before{margin-bottom:12px}.setup-steps p{font-size:15px}.faq{padding-bottom:55px}.faq summary{font-size:16px;padding-block:23px}.faq details>p{font-size:15px}.contact{padding-block:40px 65px}.document .page-intro h1{font-size:44px}.document h2{font-size:28px}.document p,.document li{font-size:15px}.missing{padding-block:70px 100px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.site-header nav{gap:13px}.wordmark{font-size:17px;gap:8px}.wordmark span{font-size:23px}.site-footer>p{width:100%;margin-left:0}.closing{padding-inline:16px}.closing-card{padding:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Localised pages use installed system fonts only. */
:lang(zh-Hant){--sans:"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;--serif:"Songti TC",serif}
html:lang(ja){--sans:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;--serif:"Hiragino Mincho ProN","Yu Mincho",serif}
html:lang(zh-Hant) body,html:lang(ja) body{line-height:1.8;line-break:strict;word-break:normal;overflow-wrap:break-word}
html:lang(zh-Hant) h1,html:lang(ja) h1,html:lang(zh-Hant) h2,html:lang(ja) h2{letter-spacing:0;line-height:1.45;text-wrap:balance}
html:lang(zh-Hant) p,html:lang(ja) p,html:lang(zh-Hant) li,html:lang(ja) li{line-height:1.8}
html:lang(ja) .document .page-intro h1{font-size:clamp(30px,4.1vw,52px)}
html:lang(zh-Hant) .hero-copy h1,html:lang(ja) .hero-copy h1{font-size:clamp(36px,4.5vw,68px)}
html:lang(zh-Hant) .closing-card h2,html:lang(ja) .closing-card h2{font-size:clamp(32px,3.2vw,46px)}
html:lang(ja) .trap-copy h2{font-size:clamp(38px,4.5vw,64px)}
.site-footer .language-switch{flex-wrap:wrap;gap:10px;width:100%;border-top:1px solid var(--line);padding-top:12px}
.language-switch a[aria-current=page]{text-decoration-thickness:2px}
.translation-note{font-size:14px;margin-bottom:28px}
@media(max-width:700px){html:lang(zh-Hant) h2,html:lang(ja) h2{font-size:32px}.site-footer .language-switch{gap:12px}.document p,.document li{overflow-wrap:anywhere}}

.keep-phrase{white-space:nowrap}html:lang(zh-Hant) p,html:lang(ja) p{text-wrap:pretty}
@media(max-width:700px){html:lang(zh-Hant) .hero-aside,html:lang(ja) .hero-aside{justify-self:start;max-width:none}html:lang(zh-Hant) .hero-aside p,html:lang(ja) .hero-aside p{max-width:none}html:lang(zh-Hant) .hero-copy h1,html:lang(ja) .hero-copy h1{font-size:32px}}

html:lang(zh-Hant) summary,html:lang(ja) summary{text-wrap:pretty}

/* Keep the supplied setup photographs intact after the prepared editorial crop. */
.in-use-photo{margin-bottom:64px}.in-use-photo img,.hide-photo img{aspect-ratio:auto;height:auto;object-fit:contain}
@media(max-width:700px){.in-use-photo{margin-bottom:38px}}

/* Preserve the photographic layout; app screens are supporting details. */
.screens img{width:min(100%,220px)}
@media(max-width:700px){.screens img{width:210px}.screens{gap:38px}}

.lang-bar{display:flex;justify-content:flex-end;padding-top:10px}.lang-top{display:flex;align-items:center;gap:8px;font-size:13px}.lang-top a{text-decoration:none;min-height:32px;display:inline-flex;align-items:center}.lang-top a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px}.lang-top span{color:var(--muted)}.lang-bar+.site-header{min-height:84px}
@media(max-width:700px){.lang-bar{padding-top:8px}.lang-top{font-size:12px}.lang-bar+.site-header{min-height:64px}}