:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #eef1f5;--text: #14181f;--text-muted: #5b6470;--border: #e2e6ec;--accent: #0b84f3;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08)}:root[data-theme=dark]{--bg: #0c0f14;--surface: #151a22;--surface-2: #1d2530;--text: #eef1f5;--text-muted: #9aa4b2;--border: #263040;--accent: #4aa3ff;--shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;transition:background .25s ease,color .25s ease}.page{max-width:1200px;margin:0 auto;padding:0 24px 80px}.header{display:flex;align-items:center;justify-content:space-between;padding:32px 0 24px;position:sticky;top:0;background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10}.brand{display:flex;align-items:center;gap:14px}.logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#7c3aed);box-shadow:var(--shadow)}.header h1{font-size:22px;margin:0;letter-spacing:-.02em}.tagline{margin:2px 0 0;font-size:13px;color:var(--text-muted)}.theme-toggle{border:1px solid var(--border);background:var(--surface);color:var(--text);padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease,transform .1s ease}.theme-toggle:hover{background:var(--surface-2)}.theme-toggle:active{transform:scale(.97)}.intro{max-width:640px;margin:8px 0 36px;color:var(--text-muted);font-size:16px;line-height:1.6}.intro strong{color:var(--text)}.section-title{font-size:24px;letter-spacing:-.02em;margin:8px 0 4px}.section-sub{margin:0 0 24px;color:var(--text-muted);font-size:15px;max-width:640px;line-height:1.5}.featured-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-bottom:56px;align-items:start}@media(max-width:820px){.featured-grid{grid-template-columns:1fr}}.featured-grid .card.portrait .player-wrap{display:flex;justify-content:center;max-height:620px}.featured-grid .card.portrait .player-wrap>*{max-height:620px;width:auto!important}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .15s ease,border-color .2s ease}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.player-wrap{background:var(--surface-2);border-bottom:1px solid var(--border)}.card-body{padding:18px 20px 20px}.card-body h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}.card-body p{margin:0 0 12px;font-size:14px;line-height:1.5;color:var(--text-muted)}.card-body code{font-size:12px;padding:3px 8px;border-radius:6px;background:var(--surface-2);color:var(--accent);font-family:ui-monospace,SF Mono,Menlo,monospace}.footer{margin-top:60px;padding-top:24px;border-top:1px solid var(--border);text-align:center;color:var(--text-muted);font-size:13px}