/* SpaceSeed official site (D176). Colours come from the real cabin and brand mark:
   cream walls, warm wood, sage rug, pine brand tile, the founder's mustard jacket, deep-teal space. */
:root{
  --paper:#f7f2e9;--sand:#efe7d8;--card:#fffdf8;
  --ink:#1e2b29;--ink-soft:#46524f;--ink-faint:#5d6866;
  --line:rgba(30,43,41,.13);--line-strong:rgba(30,43,41,.24);
  --pine:#355f58;--pine-deep:#2a4c46;--sage:#8fb09a;--wood:#b9835a;
  --gold:#e6b450;--gold-deep:#d39f37;--gold-ink:#1d2321;
  --space:#0f2527;--space-2:#163638;--on-space:#f3ecdf;--on-space-soft:#c4d0cc;
  --font:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1180px;--gutter:clamp(20px,5vw,48px);
  --radius-shot:14px;--radius-art:20px;
  --shadow-shot:0 1px 2px rgba(30,43,41,.08),0 12px 32px rgba(30,43,41,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.8 var(--font);font-kerning:normal;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;text-wrap:balance}
p,figcaption,dd,li{margin:0;text-wrap:pretty}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.nowrap{white-space:nowrap}
.wrap{max-width:calc(var(--wrap) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.skip-link{position:absolute;left:12px;top:-60px;z-index:20;padding:10px 16px;background:var(--card);color:var(--ink);border-radius:10px;font-weight:600;text-decoration:none}
.skip-link:focus{top:12px}

/* Buttons and links */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:12px;border:0;font:600 17px/1 var(--font);text-decoration:none;cursor:pointer;transition:background-color .14s ease,transform .14s ease}
.btn:active{transform:translateY(1px)}
.btn-gold{background:var(--gold);color:var(--gold-ink)}
.btn-gold:hover{background:var(--gold-deep)}
.btn-pine{background:var(--pine);color:#fff8e9}
.btn-pine:hover{background:var(--pine-deep)}
.btn-plain{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn-plain:hover{background:var(--sand)}
.btn-small{min-height:42px;padding:0 18px;font-size:15px;border-radius:10px}
.text-link{display:inline-flex;align-items:center;min-height:44px;font-weight:600;color:var(--pine);text-underline-offset:5px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-thickness:2px}
.text-link-on-dark{color:var(--on-space)}

/* Small labels */
.kicker{margin-bottom:10px;color:var(--pine);font-size:15px;font-weight:600}
.kicker-on-dark{color:var(--gold)}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.6;white-space:nowrap}
.tag-real{background:rgba(143,176,154,.22);color:var(--pine-deep)}
.tag-ai{background:rgba(30,43,41,.07);color:var(--ink-soft)}
.tag-on-dark{background:rgba(15,37,39,.66);color:var(--on-space)}
.chip{display:inline-block;margin-left:4px;padding:0 7px;border-radius:999px;background:rgba(53,95,88,.12);color:var(--pine-deep);font-size:12px;font-weight:600;line-height:1.7;vertical-align:2px}
.fine{font-size:14.5px;color:var(--ink-faint)}
.fine-on-dark{color:var(--on-space-soft)}
.note{margin-top:22px;max-width:46em;font-size:14.5px;line-height:1.75;color:var(--ink-faint)}

/* Header */
.site-header{position:sticky;top:0;z-index:10;background:var(--space);color:var(--on-space);border-bottom:1px solid rgba(243,236,223,.08)}
.header-bar{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;text-decoration:none;letter-spacing:.01em}
.site-nav{display:flex;gap:4px;margin-left:auto}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;color:var(--on-space-soft);font-size:15px;text-decoration:none}
.site-nav a:hover{color:var(--on-space);background:rgba(243,236,223,.07)}

/* Hero */
.hero{background:var(--space);color:var(--on-space);padding:clamp(40px,6vw,84px) 0 clamp(56px,7vw,100px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,4.5vw,64px);align-items:center}
.hero h1{font-size:clamp(34px,1.4rem + 2.6vw,56px);line-height:1.22}
.hero h1 .nowrap{display:inline-block}
.lede{margin-top:22px;max-width:30em;font-size:clamp(17px,1rem + .25vw,19px);line-height:1.85;color:var(--on-space-soft)}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:32px}
.hero .fine{margin-top:18px}
.hero-shot{margin:0}
.hero-shot img{border-radius:20px;box-shadow:0 0 0 1px rgba(243,236,223,.14),0 28px 70px rgba(0,0,0,.42)}
.hero-shot figcaption{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:14px;font-size:14px;line-height:1.6;color:var(--on-space-soft)}
.hero .tag-real{background:rgba(143,176,154,.2);color:#cfe2d6}

/* Sections */
.section{padding:clamp(64px,9vw,120px) 0}
.section-sand{background:var(--sand)}
.section h2{font-size:clamp(28px,1.1rem + 1.7vw,42px)}
.section h2+p,.split-text h2+p{margin-top:18px}
.split-text p{max-width:30em;color:var(--ink-soft)}
.split-text p+p{margin-top:12px}
.subhead{margin:clamp(56px,7vw,88px) 0 24px;font-size:clamp(21px,1rem + .6vw,26px)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.split-idea{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.split-team{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.split-family{grid-template-columns:minmax(0,6fr) minmax(0,5fr);margin-top:clamp(56px,7vw,96px)}
.split-family h3{font-size:clamp(22px,1rem + .7vw,28px);margin-bottom:16px}
.art{margin:0}
.art img{border-radius:var(--radius-art)}
.art figcaption{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin-top:12px;font-size:14px;color:var(--ink-faint)}

/* Screenshot frame: the same quiet frame everywhere, so real product images read as one family. */
.shot{margin:0}
.shot img{border-radius:var(--radius-shot);background:var(--card);box-shadow:var(--shadow-shot),0 0 0 1px var(--line)}
.shot figcaption{margin-top:10px;font-size:14px;color:var(--ink-faint)}

.quote-card{margin:28px 0 0;padding:20px 22px;max-width:30em;border-left:3px solid var(--gold);background:var(--card);border-radius:0 12px 12px 0}
.quote-card blockquote{margin:0;font-size:16px;line-height:1.85;color:var(--ink)}
.quote-card figcaption{margin-top:10px;font-size:13.5px;color:var(--ink-faint)}

/* Works */
.works{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,3vw,40px);align-items:start}
.work{display:flex;flex-direction:column;gap:18px}
/* Both works share the 《星光邮递》 crop's proportion; the other game is trimmed top/bottom only. */
.shot-fill img{width:100%;aspect-ratio:1010/354;object-fit:cover;object-position:center}
.compare{display:grid;gap:18px}
.compare figcaption strong{margin-right:10px;color:var(--ink)}
.work-text h4{font-size:20px}
.work-text p{margin-top:6px;color:var(--ink-soft)}
.work-text .meta{margin-top:8px;font-size:14px;color:var(--ink-faint)}

.scope{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,40px);margin-top:clamp(48px,6vw,72px);padding-top:32px;border-top:1px solid var(--line)}
.scope h3{font-size:18px;margin-bottom:10px}
.scope ul{margin:0;padding:0;list-style:none}
.scope li{position:relative;padding:6px 0 6px 30px;color:var(--ink-soft)}
.scope li::before{content:"";position:absolute;left:2px;top:15px;width:16px;height:9px}
.ticks li::before{border-left:2.5px solid var(--pine);border-bottom:2.5px solid var(--pine);transform:rotate(-45deg);height:7px;width:13px;top:12px}
.dashes li::before{height:0;top:19px;border-top:2.5px solid var(--wood);width:13px}

/* Roster */
.roster{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.roster-group h4{padding-bottom:10px;margin-bottom:6px;border-bottom:1px solid var(--line-strong);font-size:15px;color:var(--pine-deep)}
.roster-group ul{margin:0;padding:0;list-style:none}
.roster-group li{display:flex;gap:12px;align-items:flex-start;padding:12px 0}
.roster-group li+li{border-top:1px solid var(--line)}
.roster-group img{flex:none;width:52px;height:52px;border-radius:14px}
.roster-group strong{display:block;font-size:16px;line-height:1.45}
.roster-group li div>span{display:block;margin-top:2px;font-size:14px;line-height:1.6;color:var(--ink-soft)}

/* Journey: numbered steps on a dashed route, like the star routes drawn in the kids' sketches. */
.journey{margin:0;padding:0;list-style:none;position:relative}
.journey::before{content:"";position:absolute;left:21px;top:28px;bottom:28px;border-left:2px dashed rgba(53,95,88,.35)}
.step{position:relative;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(20px,3vw,36px) 0}
.step-text{position:relative;padding-left:68px}
.step-text h4{font-size:clamp(20px,1rem + .5vw,24px)}
.step-text p{margin-top:8px;color:var(--ink-soft)}
.step-no{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--pine);color:#fff8e9;font-weight:700;font-size:18px;line-height:1}
.step-text .step-no{position:absolute;left:0;top:-4px;box-shadow:0 0 0 6px var(--sand)}

/* Start */
.start-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px);margin:36px 0 0;padding:0;list-style:none}
.start-steps .shot img{aspect-ratio:16/10;object-fit:cover;object-position:center top}
.start-steps h3{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:19px}
.start-steps h3 .step-no{width:34px;height:34px;font-size:15px}
.start-steps p{margin-top:8px;color:var(--ink-soft)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.facts{margin:28px 0 0;padding:0}
.facts div{display:grid;grid-template-columns:3.2em minmax(0,1fr);gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.facts div:last-child{border-bottom:1px solid var(--line)}
.facts dt{font-weight:700;color:var(--pine-deep)}
.facts dd{margin:0;color:var(--ink-soft)}
.faq-list details{border-bottom:1px solid var(--line-strong)}
.faq-list details:first-child{border-top:1px solid var(--line-strong)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:12px 0;font-size:18px;font-weight:600;cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";flex:none;width:10px;height:10px;margin-right:6px;border-right:2px solid var(--pine);border-bottom:2px solid var(--pine);transform:rotate(45deg) translate(-2px,-2px);transition:transform .18s ease}
.faq-list details[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.faq-list details p{max-width:36em;padding-bottom:12px;color:var(--ink-soft)}
.faq-list details p:last-child{padding-bottom:22px}

/* Finale */
.finale{position:relative;overflow:hidden;background:var(--space);color:var(--on-space);min-height:clamp(380px,40vw,560px);display:flex;align-items:center}
.finale-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.finale::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,37,39,.86) 0%,rgba(15,37,39,.55) 38%,rgba(15,37,39,0) 64%)}
.finale-inner{position:relative;z-index:1;width:100%;padding-top:64px;padding-bottom:64px}
.finale h2{font-size:clamp(30px,1.2rem + 2vw,48px)}
.finale-inner>p:not(.fine){margin-top:14px;font-size:18px;color:var(--on-space-soft)}
.finale .btn{margin-top:28px}
.finale .fine{margin-top:16px}
.finale-tag{position:absolute;right:16px;bottom:14px;z-index:1;margin:0}

/* Footer */
.site-footer{background:var(--space);color:var(--on-space-soft);border-top:1px solid rgba(243,236,223,.08);padding:28px 0 36px;font-size:14px;line-height:1.7}
.footer-bar{display:grid;grid-template-columns:auto 1fr;gap:12px 32px;align-items:center}
.footer-brand{display:flex;align-items:center;gap:8px;color:var(--on-space);font-weight:700;font-size:16px}
.footer-links{display:flex;flex-wrap:wrap;gap:4px 24px;justify-content:flex-end;margin:0;padding:0;list-style:none}
.footer-links a{display:inline-flex;align-items:center;min-height:44px;color:var(--on-space)}
.footer-links span{display:inline-flex;align-items:center;min-height:44px}
.footer-note{grid-column:1/-1;max-width:60em}

.notfound{min-height:100vh;display:flex;align-items:center}

/* Phone notice */
dialog{padding:0;border:0;border-radius:18px;background:var(--card);color:var(--ink);width:min(92vw,420px);box-shadow:0 30px 80px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(15,37,39,.6)}
.device-card{padding:28px 24px 22px}
.device-card h2{font-size:22px}
.device-card p{margin-top:12px;color:var(--ink-soft);font-size:16px;line-height:1.75}
.device-url{padding:10px 14px;border-radius:10px;background:var(--sand);color:var(--ink)!important;font-weight:600;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all}
.device-status{min-height:1.75em;font-size:14px!important;color:var(--pine)!important}
.device-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:8px}

/* Layout changes */
@media (max-width:1080px){
  .roster{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 32px}
}
@media (max-width:999px){
  .hero-grid,.split,.split-idea,.split-team,.split-family,.works,.faq-grid{grid-template-columns:minmax(0,1fr)}
  .split-family .art{order:2}
  .step{grid-template-columns:minmax(0,1fr);gap:18px}
  .step .shot{margin-left:68px}
  .start-steps{grid-template-columns:minmax(0,1fr);gap:40px;max-width:640px}
}
@media (max-width:760px){
  .site-nav{display:none}
  .header-bar{justify-content:space-between}
  .scope{grid-template-columns:minmax(0,1fr)}
  .footer-bar{grid-template-columns:minmax(0,1fr)}
  .footer-links{justify-content:flex-start}
}
@media (max-width:560px){
  body{font-size:16.5px}
  .roster{grid-template-columns:minmax(0,1fr)}
  .journey::before{left:17px}
  .step-text{padding-left:54px}
  .step-text .step-no{width:36px;height:36px;font-size:16px}
  .step .shot{margin-left:0}
  .finale::after{background:linear-gradient(180deg,rgba(15,37,39,.82) 0%,rgba(15,37,39,.62) 60%,rgba(15,37,39,.35) 100%)}
  .finale-art{object-position:78% 50%}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}}