.timeline{position:relative;margin-top:64px}.timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--border);transform:translate(-50%)}.tl-step{display:grid;grid-template-columns:1fr 1fr;gap:56px;position:relative;margin-bottom:80px}.tl-step:last-child{margin-bottom:0}.tl-dot{position:absolute;left:50%;top:24px;transform:translate(-50%);width:40px;height:40px;border-radius:50%;background:var(--blue-500);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;z-index:2;box-shadow:0 0 0 6px var(--bg),0 0 0 8px var(--blue-100)}.tl-text{padding-right:40px}.tl-text h3{font-size:1.3rem;margin-bottom:12px;margin-top:16px}.tl-text p{font-size:.92rem;color:var(--text-muted);line-height:1.7}.tl-step.reverse .tl-text{order:2;padding-right:0;padding-left:40px}.tl-step.reverse .tl-visual{order:1}.tl-visual-box{background:var(--gray-50);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;min-height:200px}.app-mock{background:var(--bg);border-radius:10px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm)}.app-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--gray-50);border-bottom:1px solid var(--border)}.app-topbar-title{font-size:.78rem;font-weight:600;color:var(--gray-700)}.app-topbar-badge{font-size:.68rem;font-weight:700;background:var(--blue-500);color:#fff;padding:2px 8px;border-radius:100px}.app-body{padding:16px}.app-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--gray-50);font-size:.8rem}.app-row:last-child{border-bottom:none}.app-row-label{color:var(--text-muted)}.app-row-val{font-weight:600;color:var(--text)}.mini-chat{margin-top:12px;background:var(--blue-50);border:1px solid var(--blue-100);border-radius:10px;padding:12px}.mini-chat-header{font-size:.72rem;font-weight:700;color:var(--blue-600);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;display:flex;align-items:center;gap:6px}.mini-chat-header svg{width:14px;height:14px}.mini-msg{display:flex;gap:8px;margin-bottom:8px}.mini-msg:last-child{margin-bottom:0}.mini-avatar{width:24px;height:24px;border-radius:6px;flex-shrink:0;font-size:.6rem;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:center}.mini-bubble{background:var(--bg);border-radius:8px;padding:8px 10px;font-size:.78rem;color:var(--gray-700);line-height:1.5;border:1px solid var(--blue-100)}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:48px}.scenario-card{border-radius:var(--radius-lg);padding:32px}.scenario-card.old{background:var(--bg);border:1px solid var(--gray-200)}.scenario-card.new{background:var(--blue-500);color:#fff;box-shadow:var(--shadow-lg)}.scenario-card h3{font-size:1.05rem;font-weight:700;margin-bottom:16px}.scenario-step{display:flex;gap:12px;margin-bottom:14px}.scenario-num{width:28px;height:28px;border-radius:7px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}.scenario-card.old .scenario-num{background:var(--gray-50);color:var(--gray-500)}.scenario-card.new .scenario-num{background:#fff3;color:#fff}.scenario-step p{font-size:.88rem;line-height:1.6}.scenario-result{margin-top:20px;padding-top:16px;font-size:.85rem;font-weight:600}.scenario-card.old .scenario-result{border-top:1px solid var(--border);color:var(--red-600)}.scenario-card.new .scenario-result{border-top:1px solid rgba(255,255,255,.2)}@media(max-width:900px){.timeline:before{left:24px}.tl-step{grid-template-columns:1fr;padding-left:60px}.tl-dot{left:24px}.tl-text{padding-right:0!important;padding-left:0!important}.tl-step.reverse .tl-text{order:1}.tl-step.reverse .tl-visual{order:2}.scenario-grid{grid-template-columns:1fr}}