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2px}.welcome-section-title{font-size:14px;font-weight:600;color:var(--text-soft);letter-spacing:.04em}.welcome-link{display:inline-flex;align-items:center;gap:4px;border:none;background:none;padding:4px 2px;font-size:12.5px;color:var(--accent);cursor:pointer;font-weight:500}.welcome-link:hover:not(:disabled){color:var(--accent-strong);text-decoration:underline}.welcome-link:disabled{color:var(--text-faint);cursor:default}.welcome-hint-line{font-size:13px;color:var(--text-faint);padding:18px 12px;text-align:center;background:var(--surface);border:1px dashed var(--hairline-strong);border-radius:var(--radius)}.welcome-empty-chats{display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 16px;text-align:center;background:var(--surface);border:1px dashed var(--hairline-strong);border-radius:var(--radius-l);color:var(--text-soft);font-size:13.5px}.welcome-empty-logo{opacity:.85;border-radius:10px}.welcome-chat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.welcome-chat-row{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:13px 14px;border-radius:var(--radius);border:1px solid var(--hairline);background:var(--surface);box-shadow:var(--shadow-1);cursor:pointer;color:inherit;font:inherit;transition:border-color .15s,box-shadow .15s,background .15s}.welcome-chat-row:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--hairline));box-shadow:var(--shadow-2);background:color-mix(in srgb,var(--surface) 90%,var(--accent-wash))}.welcome-chat-row.current{border-color:color-mix(in srgb,var(--accent) 45%,var(--hairline));background:var(--accent-wash)}.welcome-chat-avatar{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:15px;font-weight:600;color:var(--accent);background:var(--surface-dim);border:1px solid var(--hairline);overflow:hidden}.welcome-chat-avatar img{width:100%;height:100%;object-fit:cover}.welcome-chat-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.welcome-chat-title{font-size:13.5px;color:var(--text-strong);line-height:1.4;display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px}.welcome-chat-char{font-weight:700;color:var(--text-strong)}.welcome-chat-sep{color:var(--text-faint)}.welcome-chat-name{font-weight:500;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.welcome-chat-preview{font-size:12.5px;color:var(--text-soft);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.welcome-chat-side{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:11.5px;color:var(--text-faint);padding-top:2px}.welcome-expand{display:block;width:100%;margin-top:6px;padding:9px;border:none;background:transparent;color:var(--text-faint);font-size:12.5px;cursor:pointer;border-radius:var(--radius-s)}.welcome-expand:hover{color:var(--accent);background:var(--accent-wash)}.welcome-assistant{padding:0;border-radius:var(--radius-l);background:color-mix(in srgb,var(--surface) 94%,var(--accent-wash));border:1px solid var(--hairline);box-shadow:var(--shadow-msg-char);overflow:hidden}.welcome-assistant-head{display:flex;align-items:center;gap:12px;padding:14px 16px 10px}.welcome-assistant-logo{width:44px;height:44px;border-radius:12px;object-fit:contain;background:var(--surface);box-shadow:var(--shadow-1);flex:none}.welcome-assistant-id{flex:1;min-width:0}.welcome-assistant-name{font-weight:600;color:var(--text-strong);font-size:15px}.welcome-assistant-meta{font-size:12px;color:var(--text-faint)}.welcome-assistant-floor{font-size:12px;color:var(--text-faint);font-variant-numeric:tabular-nums}.welcome-assistant-body{padding:0 18px 16px}.welcome-assistant-text{margin:0 0 12px;font-size:14.5px;line-height:1.75;color:var(--text)}.welcome-tips{margin:0;padding:10px 0 0 18px;border-top:1px dashed var(--hairline);font-size:12.5px;line-height:1.7;color:var(--text-soft)}.welcome-tips li{margin:2px 0}.welcome-tips strong{color:var(--accent);font-weight:600}.welcome-quick{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding-top:2px}.welcome-quick-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--hairline-strong);background:var(--surface);color:var(--text-soft);font-size:12.5px;cursor:pointer;box-shadow:var(--shadow-1);transition:color .12s,border-color .12s,background .12s}.welcome-quick-btn:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,var(--hairline-strong));background:var(--accent-wash)}@media(max-width:720px){.welcome-hero{grid-template-columns:auto 1fr;padding:16px}.welcome-hero-actions{grid-column:1 / -1;flex-direction:row;min-width:0}.welcome-cta{flex:1}.welcome-hero-title{font-size:28px;letter-spacing:8px}.welcome-hero-logo{width:72px;height:72px;border-radius:18px}}.brand-btn{display:inline-flex;align-items:center;gap:8px;border:none;background:transparent;padding:2px 4px 2px 0;cursor:pointer;border-radius:8px;font:inherit;color:inherit}.brand-btn:hover .brand-text{color:var(--accent-strong)}.brand-btn:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 50%,transparent);outline-offset:2px}