:root{--space:#07143b;--surface:#ffffff1a;--surface-strong:#ffffff29;--border:#fff3;--text:#fff;--muted:#c9d7ff;--cyan:#8feaff;--yellow:#ffd94d;--blue:#1768ef;--violet:#7867f1;--font-rounded:"Arial Rounded MT Bold", Nunito, "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--space);min-width:0;overflow-x:hidden}body{min-width:0;min-height:100vh;color:var(--text);background-color:var(--space);font-family:var(--font-rounded);background-image:url(/art/space-nebula.webp);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;margin:0;overflow-x:hidden}button{min-height:48px;color:inherit;font:800 1rem/1.2 var(--font-rounded);cursor:pointer;border:0}button:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}button:active{transition-duration:.14s;transform:translateY(2px)scale(.985)}svg{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:1.35rem;height:1.35rem;display:block}.app-shell{border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#07143b6b;border-radius:28px;width:min(1180px,100% - 40px);min-height:calc(100vh - 40px);margin:20px auto;position:relative;overflow:hidden;box-shadow:0 24px 64px #04124459,inset 0 1px #ffffff24}.app-shell:after{z-index:-1;content:"";border:1px solid #8feaff2e;border-radius:50%;width:34rem;height:34rem;animation:22s linear infinite orbit-drift;position:absolute;top:8rem;right:-13rem}.app-header{z-index:10;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;gap:20px;min-width:0;padding:18px 24px;display:flex;position:relative}.brand-control{text-align:left;background:0 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var(--border);background:var(--surface);border-radius:14px;justify-content:center;align-items:center;min-width:48px;min-height:48px;display:inline-flex;box-shadow:inset 0 1px #ffffff1a}.icon-control:hover,.icon-control[aria-pressed=true]{background:var(--surface-strong);color:var(--cyan)}.star-counter{min-width:68px;color:var(--yellow);gap:6px;padding:0 12px}.app-content{min-width:0;padding:0 24px 24px}.home-mission{min-width:0}.mission-hero{border:1px solid var(--border);background:var(--surface);border-radius:28px;grid-template-columns:minmax(0,1.12fr) minmax(260px,.88fr);align-items:center;gap:clamp(24px,5vw,68px);min-width:0;min-height:400px;padding:34px clamp(24px,5vw,64px);display:grid;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff24,0 18px 46px #0416543d}.hero-copy{z-index:2;min-width:0;position:relative}.hero-kicker{color:var(--cyan);letter-spacing:.23em;margin:0 0 12px;font-size:.74rem;font-weight:900}.hero-copy h1{letter-spacing:-.045em;margin:0;font-size:clamp(2.25rem,4.8vw,4.35rem);line-height:1.06}.hero-copy h1 span{color:var(--cyan);letter-spacing:-.025em;margin-top:.18em;font-size:.76em;display:block}.hero-description{max-width:38rem;color:var(--muted);font:600 clamp(.95rem, 1.5vw, 1.08rem)/1.75 var(--font-rounded);margin:18px 0 0}.mission-cta{background:linear-gradient(110deg, var(--cyan), var(--violet));border-radius:14px;align-items:center;gap:14px;min-width:48px;margin-top:24px;padding:0 20px;transition:transform .14s,filter .14s;display:inline-flex;box-shadow:0 10px 28px #1768ef52}.mission-cta:hover{filter:brightness(1.1)}.astronaut-frame{aspect-ratio:1;background:#07143b8c;border-radius:50%;justify-self:center;width:min(100%,390px);position:relative;overflow:hidden;box-shadow:0 0 54px #53abff4d}.astronaut-fallback{color:var(--yellow);place-items:center;font-size:clamp(4rem,10vw,8rem);font-weight:900;display:grid;position:absolute;inset:0}.astronaut-art{z-index:1;object-fit:cover;width:100%;height:100%;display:block;position:relative}.planet-section{margin-top:16px}.planet-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.planet-card{--planet-index:0;border:1px solid var(--border);background:var(--surface);text-align:left;border-radius:20px;grid-template-columns:88px minmax(0,1fr) 32px;align-items:center;gap:14px;min-width:0;min-height:152px;padding:18px;transition:transform .14s,background-color .14s,border-color .14s;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff21,0 12px 30px #0314462e}.planet-card:hover{background:var(--surface-strong);border-color:#8feaff75;transform:translateY(-3px)}.planet-art{aspect-ratio:1;width:88px;animation:planet-float calc(5s + (var(--planet-index) * .35s)) ease-in-out infinite;background-color:#07143b85;background-image:url(/art/planet-atlas.webp);background-repeat:no-repeat;background-size:300% 200%;border-radius:50%;display:block;box-shadow:0 8px 24px #010c3061}.planet-art--numbers{background-position:0 0}.planet-art--letters{background-position:50% 0}.planet-art--math{background-position:100% 0}.planet-art--games{background-position:0 100%}.planet-art--library{background-position:50% 100%}.planet-art--rewards{background-position:100% 100%}.planet-copy{min-width:0}.planet-copy strong,.planet-copy small{display:block}.planet-copy strong{font-size:clamp(1rem,1.7vw,1.2rem)}.planet-copy small{overflow-wrap:anywhere;color:var(--muted);letter-spacing:.06em;margin-top:7px;font-size:.66rem;line-height:1.45}.planet-arrow{background:var(--surface);width:32px;height:32px;color:var(--cyan);border-radius:50%;place-items:center;display:grid}.planet-arrow svg{width:1rem;height:1rem}.mission-progress{border:1px solid 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