:root { --ink: #191817; --paper: #f8f7f4; --accent-soft: #f4d69e; --line: rgba(255, 255, 255, .22); color-scheme: light; }
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { background: var(--ink); color: var(--paper); font-family: "Segoe UI Variable", "Noto Sans", "Microsoft YaHei", sans-serif; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.showcase { min-height: 100svh; background: var(--ink); }
.site-topbar { width: min(1180px, calc(100% - 48px)); min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 0; }
.brand-icon { width: 46px; height: 46px; flex: 0 0 46px; border: 1px solid rgba(255, 255, 255, .24); border-radius: 11px; box-shadow: 0 8px 22px rgba(0, 0, 0, .34); }
.brand h1 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: 0; line-height: 1.2; white-space: nowrap; }
.legal-nav { display: flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 650; }
.legal-nav a { min-height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border: 1px solid transparent; border-radius: 5px; color: #e7e3dd; text-decoration: none; transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease; }
.legal-nav a:hover { border-color: var(--line); background: rgba(255, 255, 255, .08); color: var(--accent-soft); }
.legal-nav a:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 4px; }
.product-gallery { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 26px 0 48px; }
.screenshot-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); align-items: start; }
.screenshot { aspect-ratio: 1284 / 2778; min-width: 0; margin: 0; overflow: hidden; border: 4px solid rgba(255, 255, 255, .94); border-radius: 17px; background: var(--paper); box-shadow: 0 24px 54px rgba(0, 0, 0, .34); }
.screenshot img { width: 100%; height: 100%; object-fit: contain; }
@media (max-width: 800px) { .screenshot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 570px; margin: 0 auto; } }
@media (max-width: 640px) { .site-topbar { width: min(100% - 32px, 1180px); min-height: 0; align-items: flex-start; flex-direction: column; gap: 12px; padding: 18px 0 14px; } .brand-icon { width: 40px; height: 40px; flex-basis: 40px; border-radius: 10px; } .brand h1 { font-size: 16px; } .legal-nav { width: 100%; gap: 6px; } .legal-nav a { flex: 1 1 0; padding: 0 8px; font-size: 13px; } .product-gallery { width: min(100% - 32px, 1180px); padding: 16px 0 32px; } .screenshot-grid { gap: 14px; } .screenshot { border-width: 3px; border-radius: 13px; } }