:root{--bg: #f4f6f9;--panel: #ffffff;--ink: #1a2230;--ink-soft: #55627a;--ink-faint: #8a95ab;--line: #dde3ec;--accent: #2f9fd0;--accent-ink: #10617f;--amber: #e0891c;--shadow: 0 1px 2px rgba(20, 32, 54, .05), 0 8px 24px rgba(20, 32, 54, .08);--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}#app{min-height:100%;display:flex;flex-direction:column}.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px clamp(20px,5vw,56px);border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfcfe)}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;color:#fff;font-size:18px;background:linear-gradient(135deg,var(--accent),var(--accent-ink));box-shadow:var(--shadow)}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-name{font-weight:700;font-size:18px;letter-spacing:.2px}.brand-tag{font-size:12.5px;color:var(--ink-soft)}.sim-count{font-size:13px;color:var(--ink-faint);padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}.catalog{flex:1;padding:clamp(20px,4vw,40px) clamp(20px,5vw,56px)}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.chip{font:inherit;font-size:13px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;transition:all .14s ease}.chip:hover{border-color:var(--accent);color:var(--accent-ink)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.card:hover{transform:translateY(-3px);border-color:#c7d2e2;box-shadow:0 2px 4px #1420360f,0 16px 40px #14203624}.card-thumb{aspect-ratio:16 / 9;background:linear-gradient(135deg,#eef2f7,#e3e9f1);display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}.card-thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb-fallback{font-size:40px;color:#b9c4d6}.card-body{display:flex;flex-direction:column;gap:8px;padding:18px 18px 16px;flex:1}.card-kicker{font-size:11.5px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--accent-ink)}.card-title{margin:0;font-size:18px;line-height:1.25}.card-sub{margin:0;font-size:13.5px;color:var(--ink-soft)}.card-desc{margin:2px 0 0;font-size:13px;line-height:1.5;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}.tag{font-size:11px;padding:3px 8px;border-radius:6px;background:#eef2f7;color:var(--ink-soft)}.card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between}.card-level{font-size:12px;color:var(--ink-faint)}.card-launch{font-size:13.5px;font-weight:600;color:var(--accent-ink)}.site-footer{padding:20px clamp(20px,5vw,56px);border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-faint)}.empty{margin:auto;text-align:center;padding:60px 20px;color:var(--ink-soft);max-width:520px}.empty h2{margin:0 0 8px;color:var(--ink)}body.viewing{overflow:hidden}body.viewing #app{height:100vh}.viewer-bar{display:flex;align-items:center;gap:16px;padding:10px clamp(14px,3vw,28px);border-bottom:1px solid var(--line);background:#fff;flex:0 0 auto}.back-btn,.open-btn{display:inline-flex;align-items:center;gap:7px;text-decoration:none;font-size:13.5px;font-weight:600;color:var(--ink);padding:8px 12px;border-radius:9px;border:1px solid var(--line);background:#fff;transition:all .14s ease}.back-btn:hover,.open-btn:hover{border-color:var(--accent);color:var(--accent-ink)}.back-arrow{font-size:16px}.viewer-title{display:flex;align-items:baseline;gap:10px;margin-right:auto}.viewer-name{font-weight:700;font-size:15px}.viewer-subject{font-size:12px;color:var(--ink-faint)}.open-btn{font-weight:500;color:var(--ink-soft)}.viewer-frame{flex:1 1 auto;width:100%;border:0;display:block;background:#fff}@media (max-width: 560px){.viewer-subject,.open-btn{display:none}}