.v123-guide{margin-top:36px;border:1px solid rgba(148,163,184,.28);border-radius:24px;padding:28px;background:rgba(15,23,42,.66)}
.v123-guide h2,.v123-guide h3{color:#fff}.v123-guide p,.v123-guide li{color:#dbeafe;line-height:1.7}
.v123-rotate-preview{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:center;margin:18px 0}
.v123-paper{width:180px;height:240px;border-radius:14px;background:linear-gradient(135deg,#f8fafc,#cbd5e1);color:#0f172a;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;border:3px solid #93c5fd;transition:transform .2s ease}
.v123-rotate-controls{display:flex;gap:10px;flex-wrap:wrap}.v123-rotate-controls button,.v123-btn{border:1px solid rgba(148,163,184,.3);background:#3b82f6;color:white;border-radius:14px;padding:12px 16px;font-weight:800;cursor:pointer}.v123-degree{font-size:24px;font-weight:900;color:#fff;margin-top:14px}
html.light .v123-guide{background:rgba(255,255,255,.94)}html.light .v123-guide h2,html.light .v123-guide h3,html.light .v123-degree{color:#0f172a}html.light .v123-guide p,html.light .v123-guide li{color:#334155}
@media(max-width:800px){.v123-rotate-preview{grid-template-columns:1fr}.v123-paper{margin:auto}}