:root{--bg-page:#f5f5f7;--bg-card:#fff;--bg-card-hover:#fafafa;--bg-soft:#7c5cff0f;--border-soft:#0000000f;--border-medium:#0000001a;--text-primary:#000000e0;--text-secondary:#0000008c;--text-tertiary:#00000059;--accent:#5b3dff;--accent-light:#7c5cff;--accent-gradient:linear-gradient(135deg, #7c5cff 0%, #5b3dff 100%);--accent-soft-bg:#7c5cff1a;--accent-soft-bg-hover:#7c5cff29;--shadow-card:0 1px 3px #0000000a, 0 4px 12px #0000000a;--shadow-hover:0 4px 16px #7c5cff26;--radius-card:16px;--radius-control:8px}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.ant-layout-sider .ant-layout-sider-children,.chat-root{flex-direction:column;height:100%;display:flex}.chat-viewport{background:var(--bg-page);flex-direction:column;flex:auto;gap:16px;min-height:0;padding:24px;display:flex;overflow-y:auto}.chat-empty{color:var(--text-tertiary);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;display:flex}.chat-empty .title{color:var(--text-secondary);font-size:16px}.chat-empty .hint{font-size:13px}.msg-row{width:100%;display:flex}.msg-row.user{justify-content:flex-end}.msg-row.assistant{justify-content:flex-start}.msg-bubble{white-space:pre-wrap;word-wrap:break-word;border-radius:14px;max-width:78%;padding:12px 16px;font-size:14px;line-height:1.55}.msg-bubble.user{background:var(--accent-gradient);color:#fff;border-bottom-right-radius:4px;box-shadow:0 2px 8px #5b3dff2e}.msg-bubble.assistant{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-soft);box-shadow:var(--shadow-card);border-bottom-left-radius:4px}.composer-row{border-top:1px solid var(--border-soft);background:var(--bg-card);flex:none;align-items:flex-end;gap:8px;padding:16px 24px;display:flex}.composer-input{resize:none;border-radius:var(--radius-control);border:1px solid var(--border-medium);min-height:40px;max-height:160px;color:var(--text-primary);background:#fff;outline:none;flex:1;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.5;transition:border-color .15s,box-shadow .15s}.composer-input:focus{border-color:var(--accent-light);box-shadow:0 0 0 3px #7c5cff1a}.card-grid{max-width:1200px;margin:0 auto;padding:40px 24px}.card-grid h1{letter-spacing:-.02em;color:var(--text-primary);margin:0 0 8px;font-weight:700}.card-grid .subtitle{color:var(--text-secondary);margin:0 0 32px}.module-card{cursor:pointer;height:100%;box-shadow:var(--shadow-card);transition:all .2s;background:var(--bg-card)!important;border-color:var(--border-soft)!important}.module-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--accent-light)!important}.module-card .icon-wrap{background:var(--accent-soft-bg);width:44px;height:44px;color:var(--accent);border-radius:12px;justify-content:center;align-items:center;margin-bottom:12px;font-size:22px;display:inline-flex}.module-card .card-title{color:var(--text-primary);margin:0 0 4px;font-size:16px;font-weight:600}.module-card .card-kicker{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px;font-size:11px;font-weight:600}.module-card .card-desc{color:var(--text-secondary);font-size:13px;line-height:1.6}.module-group{margin-bottom:36px}.module-group:last-child{margin-bottom:8px}.module-group-header{border-bottom:1px solid var(--border-soft);align-items:baseline;gap:14px;margin-bottom:4px;padding:0 2px 14px;display:flex}.module-group-header .section-title{color:var(--text-primary);letter-spacing:-.01em;padding-left:12px;font-size:15px;font-weight:600;position:relative}.module-group-header .section-title:before{content:"";background:var(--accent-gradient);border-radius:2px;width:3px;position:absolute;top:3px;bottom:3px;left:0}.module-group-header .section-subtitle{color:var(--text-tertiary);font-size:12.5px;line-height:1.5}.ant-upload-wrapper .ant-upload-list{margin-top:8px}.ant-upload-wrapper .ant-upload-list-item{background:var(--bg-soft)!important;border:1px solid var(--border-soft)!important;border-radius:8px!important;max-width:100%!important;height:auto!important;margin-top:4px!important;padding:4px 8px!important;line-height:1.6!important}.ant-upload-wrapper .ant-upload-list-item:hover{background:var(--accent-soft-bg-hover)!important}.ant-upload-wrapper .ant-upload-list-item .ant-upload-list-item-name{color:var(--text-primary)!important}.ant-upload-wrapper .ant-upload-list-item-name{text-overflow:ellipsis!important;white-space:nowrap!important;overflow:hidden!important}.ant-upload-wrapper .ant-upload.ant-upload-drag{min-height:180px;background:var(--bg-card)!important;border-color:var(--border-medium)!important;padding:16px 8px!important}.ant-upload-wrapper .ant-upload.ant-upload-drag:hover{border-color:var(--accent-light)!important}.ant-upload-wrapper .ant-upload.ant-upload-drag .ant-upload-drag-icon{margin-bottom:8px!important}.ant-upload-wrapper .ant-upload.ant-upload-drag .ant-upload-drag-icon .anticon{color:var(--accent)!important}.ant-upload-wrapper .ant-upload.ant-upload-drag .ant-upload-text{color:var(--text-primary)!important;margin-bottom:4px!important;font-size:14px!important}.ant-upload-wrapper .ant-upload.ant-upload-drag .ant-upload-hint{color:var(--text-secondary)!important;font-size:12px!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#0000001f;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#0003}