.document-guide-modal{position:fixed;inset:0;background:rgba(15,23,42,.58);z-index:4900;padding:30px;overflow:auto}.document-guide-modal.hidden{display:none}.document-guide{max-width:1150px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden}.guide-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid #e5e7eb;position:sticky;top:0;background:#fff;z-index:2}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px}.guide-card{border:1px solid #dbe3ee;border-radius:12px;padding:16px;background:#fff}.guide-card h3{margin:0 0 8px;font-size:16px}.guide-card p{color:#475569;font-size:13px;line-height:1.6;margin:0 0 12px}.guide-flow{font-size:12px;color:#0f766e;background:#ecfdf5;border-radius:8px;padding:9px}.guide-card button{margin-top:12px}.guide-detail{display:none;margin-top:12px;padding-top:12px;border-top:1px solid #e5e7eb;color:#334155;font-size:13px;line-height:1.65}.guide-card.expanded .guide-detail{display:block}.guide-card .view-all{margin-top:12px}.guide-list{margin:7px 0 0 18px}@media(max-width:900px){.guide-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.document-guide-modal{padding:10px}.guide-grid{grid-template-columns:1fr}.guide-head{align-items:flex-start;gap:10px}.ai-assistant-panel{right:10px;top:70px}}