:root{--bg:#f7f3ee;--ink:#101114;--muted:#5b6472;--line:#e6ddcf;--card:rgba(255,250,242,.9);--dark:#111827;--red:#e74a4a;--blue:#2563eb;--shadow:0 30px 70px rgba(17,24,39,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(231,74,74,.16),transparent 26%),radial-gradient(circle at bottom right,rgba(37,99,235,.16),transparent 24%),var(--bg);color:var(--ink);font-family:SF Pro Display,Pretendard,Apple SD Gothic Neo,system-ui,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.shell{position:relative;overflow:hidden;max-width:1240px;margin:0 auto;padding:48px 20px 72px}.orb{position:absolute;border-radius:999px;filter:blur(90px);pointer-events:none}.orb-red{top:-60px;left:-60px;width:260px;height:260px;background:rgba(231,74,74,.3)}.orb-blue{right:-70px;top:320px;width:280px;height:280px;background:rgba(37,99,235,.22)}.hero-card,.panel{position:relative;border:1px solid hsla(0,0%,100%,.6);border-radius:32px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.hero-card{padding:32px;background:linear-gradient(160deg,rgba(17,24,39,.97),rgba(26,32,45,.94));color:#fff}.badge,.eyebrow,.panel-eyebrow{text-transform:uppercase;letter-spacing:.16em;font-weight:800}.badge{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.1);font-size:12px;color:hsla(0,0%,100%,.75)}.eyebrow,.panel-eyebrow{margin:22px 0 8px;color:rgba(231,74,74,.84);font-size:12px}.hero-card h1,.panel h2{margin:0;line-height:1.05}.hero-card h1{font-size:clamp(2rem,3.6vw,3.4rem);font-weight:900;line-height:1.2}.hero-sub{display:block;font-size:.55em;font-weight:700;color:hsla(0,0%,100%,.65);margin-top:4px}.hero-description{max-width:780px;margin-top:18px;font-size:.92rem;line-height:1.8;color:hsla(0,0%,100%,.74)}.content-grid,.detail-grid,.stat-grid{display:grid;grid-gap:18px;gap:18px}.stat-grid{margin-top:28px;grid-template-columns:repeat(3,minmax(0,1fr))}.content-grid{margin-top:26px;grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-grid{align-items:stretch}.bottom-section{margin-top:26px}.info-card{padding:18px;border-radius:24px;background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.08)}.info-card.compact{background:#fff;border:1px solid var(--line)}.info-card p{margin:0;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:hsla(0,0%,100%,.48)}.info-card.compact p{color:var(--muted)}.info-card strong{display:block;margin-top:10px;font-size:1.05rem;line-height:1.5}.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px}.hero-meta{font-size:.92rem;color:hsla(0,0%,100%,.6);letter-spacing:.04em}.apk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px;margin-top:32px}.apk-card{display:flex;flex-direction:column;padding:24px;border-radius:24px;background:hsla(0,0%,100%,.06);border:1px solid hsla(0,0%,100%,.1);border-top:4px solid var(--red)}.apk-card-header{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.apk-card-header h2{margin:0;font-size:1.5rem;font-weight:900;color:#fff}.apk-version{padding:4px 10px;border-radius:999px;background:hsla(0,0%,100%,.1);font-size:.78rem;font-weight:700;color:hsla(0,0%,100%,.8)}.apk-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;margin:18px 0 22px}.apk-meta div{padding:12px;border-radius:16px;background:hsla(0,0%,100%,.06)}.apk-meta dt{margin:0 0 6px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:hsla(0,0%,100%,.5)}.apk-meta dd{margin:0;font-size:.95rem;font-weight:700;color:#fff}.apk-download-button{display:inline-flex;align-items:center;justify-content:center;margin-top:auto;padding:14px 18px;border-radius:999px;background:var(--red);color:#fff;font-weight:800;text-align:center;transition:transform .18s ease,opacity .18s ease}.apk-download-button:hover{transform:translateY(-1px)}.apk-download-button.disabled{pointer-events:none;opacity:.45;background:hsla(0,0%,100%,.12)}.ghost-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;border:none;font-weight:800;transition:transform .18s ease,background-color .18s ease,color .18s ease;cursor:pointer}.primary-button{min-width:188px;background:var(--red);color:#fff}.primary-button:hover{transform:translateY(-1px);background:#cf3f3f}.primary-button.disabled{pointer-events:none;opacity:.45}.ghost-button{background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.1);color:#fff}.ghost-button:hover{transform:translateY(-1px);background:hsla(0,0%,100%,.13)}.panel{padding:28px;background:var(--card)}.qr-panel{background:hsla(0,0%,100%,.88)}.dark-panel{background:linear-gradient(155deg,rgba(17,24,39,.96),rgba(30,41,59,.95));color:#fff}.panel-heading{margin-bottom:18px}.panel h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:900}.qr-frame{display:flex;justify-content:center;align-items:center;min-height:290px;border-radius:30px;background:#fff;border:1px solid var(--line)}.panel-copy{margin:18px 0 0;line-height:1.7;color:var(--muted)}.qr-download-button{display:inline-flex;align-items:center;justify-content:center;width:100%;margin-top:14px;padding:12px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:700;cursor:pointer;transition:background-color .18s ease,transform .18s ease}.qr-download-button:hover{background:#f0ebe4;transform:translateY(-1px)}.dark-copy{color:hsla(0,0%,100%,.7)}.steps{display:grid;grid-gap:12px;gap:12px}.step{display:grid;grid-template-columns:40px 1fr;grid-gap:14px;gap:14px;padding:14px;border-radius:22px;background:hsla(0,0%,100%,.84);border:1px solid var(--line)}.step-number{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--red);color:#fff;font-weight:900}.notice-box p,.step p{margin:0;line-height:1.7;color:#384152}.notice-box{margin-top:18px;padding:18px;border-radius:24px;background:#fff4e5;border:1px solid #f1d7b5}.notice-box strong{display:block;margin-bottom:8px}.env-list{display:grid;grid-gap:10px;gap:10px;margin-top:18px}.env-item{padding:12px 14px;border-radius:18px;background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.12);font-family:SF Mono,SFMono-Regular,Menlo,monospace;font-size:.92rem}@media (max-width:960px){.apk-grid,.content-grid,.detail-grid,.stat-grid{grid-template-columns:1fr}}@media (max-width:640px){.shell{padding:16px 12px 40px}.hero-card,.panel{border-radius:20px;padding:18px 16px}.badge{padding:6px 10px;font-size:10px}.eyebrow{margin:14px 0 4px;font-size:11px}.hero-card h1{font-size:1.8rem}.apk-grid{gap:12px;margin-top:20px}.apk-card{padding:16px;border-radius:16px}.apk-card-header h2{font-size:1.15rem}.apk-download-button{padding:16px 18px;font-size:1rem;margin-top:14px}.cta-row{flex-direction:column;margin-top:18px}.ghost-button{width:100%;padding:14px 18px;font-size:.95rem}.hero-meta{text-align:center;font-size:.82rem}.content-grid{margin-top:16px;gap:12px}.panel h2{font-size:1.4rem}.panel-heading{margin-bottom:12px}.panel-eyebrow{font-size:10px;margin:0 0 4px}.qr-frame{min-height:200px;border-radius:20px}.qr-frame canvas{width:160px!important;height:160px!important}.panel-copy{margin-top:12px;font-size:.85rem}.qr-download-button{padding:14px 16px;font-size:.92rem}.steps{gap:8px}.step{grid-template-columns:32px 1fr;gap:10px;padding:10px;border-radius:16px}.step-number{width:32px;height:32px;font-size:.85rem}.step p{font-size:.88rem;line-height:1.55}.notice-box{padding:14px;border-radius:16px;font-size:.88rem}.bottom-section,.notice-box{margin-top:12px}.detail-grid{gap:8px}.info-card.compact{padding:12px;border-radius:14px}.info-card p{font-size:10px}.info-card strong{font-size:.88rem;margin-top:6px}}