:root {
                --bg-body: #f5f5f7;
                --text-main: #1d1d1f;
                --text-sec: #86868b;
                --border: #d2d2d7;
                --border-light: #e5e5ea;
                --blue: #0071e3;
                --red: #ff3b30;
                --green: #34c759;
                --orange: #ff9500;
            }

            * { margin: 0; padding: 0; box-sizing: border-box; }

            body {
                font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
                background-color: var(--bg-body);
                color: var(--text-main);
                font-size: 13px;
                line-height: 1.5;
                -webkit-font-smoothing: antialiased;
                padding: 30px 20px;
                cursor: default;
            }

            .container { max-width: 1100px; margin: 0 auto; }

            /* Header */
            .header {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 24px;
                flex-wrap: wrap;
                gap: 16px;
            }
            .header-info h1 {
                font-size: 24px;
                font-weight: 600;
                letter-spacing: -0.5px;
                color: var(--text-main);
                margin-bottom: 4px;
            }
            .header-info .subtitle { font-size: 14px; color: var(--text-sec); }
            .header-actions { display: flex; gap: 10px; }

            /* Buttons */
            .btn {
                display: inline-flex;
                align-items: center;
                padding: 8px 16px;
                background: #ffffff;
                border: 1px solid var(--border-light);
                border-radius: 8px;
                color: var(--text-main);
                font-weight: 500;
                text-decoration: none;
                transition: all 0.2s;
                font-size: 13px;
                cursor: pointer;
                box-shadow: 0 1px 2px rgba(0,0,0,0.03);
            }
            .btn:hover { background: #fafafa; border-color: var(--border); text-decoration: none; }
            .btn-primary { background: var(--blue); color: white; border: none; }
            .btn-primary:hover { background: #0077ed; border: none; text-decoration: none; }

            /* Alerts */
            .alert {
                padding: 12px 16px;
                border-radius: 10px;
                display: flex;
                align-items: flex-start;
                gap: 12px;
                font-size: 13px;
                border: 1px solid transparent;
                margin-bottom: 12px;
                position: relative;
            }
            .alert-icon { font-size: 16px; margin-top: 1px; flex-shrink: 0; }
            .alert-content { flex: 1; }
            .alert-desc { color: inherit; opacity: 0.75; margin-top: 4px; font-size: 11px; line-height: 1.4; }
            .alert-link {
                color: inherit;
                text-decoration: none;
                margin-left: 8px;
                font-weight: 600;
                cursor: pointer;
                padding: 0;
                border-radius: 4px;
                display: inline;
                transition: opacity 0.2s;
                font-size: 13px;
            }
            .alert-link:hover {
                opacity: 0.8;
                text-decoration: none;
            }
            .alert-close {
                background: none;
                border: none;
                color: inherit;
                font-size: 20px;
                line-height: 1;
                cursor: pointer;
                padding: 0;
                width: 24px;
                height: 24px;
                display: flex;
                align-items: center;
                justify-content: center;
                opacity: 0.6;
                transition: opacity 0.2s;
                flex-shrink: 0;
            }
            .alert-close:hover { opacity: 1; }
            .alert-info { background: #eef7fe; border-color: #dcebfb; color: #1c5b96; }
            .alert-success { background: #eafbf0; border-color: #d3f3dd; color: #15682e; }
            .alert-warning { background: #fff8e6; border-color: #fcebc2; color: #9c6e03; }
            .alert-error { background: #ffebeb; border-color: #fddddd; color: #c41e1e; }
            .alert-primary { background: #f9fafb; border-color: #e5e7eb; color: #374151; }

            /* API Endpoint Items */
            .api-endpoint-item {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: 10px 12px;
                background: rgba(0,0,0,0.02);
                border-radius: 6px;
                margin-bottom: 8px;
                gap: 12px;
            }
            .api-endpoint-label {
                font-size: 11px;
                color: #86868b;
                margin-bottom: 4px;
                font-weight: 500;
            }
            .api-endpoint-value {
                font-size: 11px;
                background: rgba(0,0,0,0.05);
                padding: 4px 8px;
                border-radius: 4px;
                display: inline-block;
                word-break: break-all;
                font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
            }
            .btn-copy {
                background: none;
                border: 1px solid #d2d2d7;
                padding: 6px 10px;
                border-radius: 6px;
                cursor: pointer;
                font-size: 14px;
                transition: all 0.2s;
                flex-shrink: 0;
                line-height: 1;
            }
            .btn-copy:hover {
                background: #f0f0f2;
                border-color: #b8b8bb;
            }
            .btn-copy.copied {
                background: #34c759;
                border-color: #34c759;
                color: white;
            }

            /* Sections & Grids */
            .section { margin-bottom: 30px; }
            .section-title {
                font-size: 15px;
                font-weight: 600;
                color: var(--text-main);
                margin-bottom: 12px;
                padding-left: 4px;
            }
            .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
            .grid-env { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
            .stack-col { display: flex; flex-direction: column; gap: 16px; }

            /* Cards */
            .card {
                background: #fafaf9;
                padding: 20px;
                border: 1px solid #e5e5e5;
                border-radius: 12px;
                transition: all 0.15s ease;
            }
            .card:hover { border-color: #d4d4d4; box-shadow: 0 0 8px rgba(0,0,0,0.08); }
            .card h3 {
                font-size: 13px;
                font-weight: 600;
                color: var(--text-sec);
                margin-bottom: 12px;
                padding-bottom: 8px;
                border-bottom: 1px solid #f5f5f5;
                text-transform: uppercase;
                letter-spacing: 0.5px;
            }

            /* Account Table */
            .account-table {
                width: 100%;
                border-collapse: collapse;
                background: #fff;
                border: 1px solid #e5e5e5;
                border-radius: 12px;
                overflow: hidden;
            }
            .account-table thead {
                background: #fafaf9;
                border-bottom: 2px solid #e5e5e5;
            }
            .account-table th {
                padding: 12px 16px;
                text-align: left;
                font-size: 12px;
                font-weight: 600;
                color: #6b6b6b;
                text-transform: uppercase;
                letter-spacing: 0.5px;
            }
            .account-table tbody tr {
                border-bottom: 1px solid #f5f5f5;
                transition: background 0.15s ease;
            }
            .account-table tbody tr:last-child {
                border-bottom: none;
            }
            .account-table tbody tr:hover {
                background: #fafaf9;
            }
            .account-table td {
                padding: 14px 16px;
                font-size: 13px;
                color: var(--text-main);
                vertical-align: middle;
            }
            .status-dot {
                width: 8px;
                height: 8px;
                border-radius: 50%;
                flex-shrink: 0;
            }

            /* Tabs Navigation */
            .tabs-nav {
                display: flex;
                gap: 4px;
                border-bottom: 1px solid #e5e5e5;
                margin-bottom: 24px;
                padding: 0 4px;
            }
            .tab-button {
                padding: 12px 20px;
                background: none;
                border: none;
                font-size: 14px;
                font-weight: 500;
                color: #6b6b6b;
                cursor: pointer;
                transition: all 0.2s;
                border-bottom: 2px solid transparent;
                position: relative;
                top: 1px;
                font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
                line-height: 1.5;
                display: flex;
                align-items: center;
                gap: 6px;
            }
            .tab-button:hover {
                color: #1d1d1f;
                background: #f5f5f5;
            }
            .tab-button.active {
                color: #0071e3;
                border-bottom-color: #0071e3;
                font-weight: 600;
            }
            .tab-content {
                display: none;
            }
            .tab-content.active {
                display: block;
            }

            /* Small Buttons for Table */
            .btn-sm {
                padding: 4px 10px;
                border-radius: 6px;
                font-size: 11px;
                cursor: pointer;
                font-weight: 500;
                transition: all 0.2s;
                border: 1px solid;
            }
            .btn-delete {
                background: #fff;
                color: #dc2626;
                border-color: #fecaca;
            }
            .btn-delete:hover {
                background: #dc2626;
                color: white;
                border-color: #dc2626;
            }
            .btn-disable {
                background: #fff;
                color: #f59e0b;
                border-color: #fed7aa;
            }
            .btn-disable:hover {
                background: #f59e0b;
                color: white;
                border-color: #f59e0b;
            }
            .btn-enable {
                background: #fff;
                color: #10b981;
                border-color: #a7f3d0;
            }
            .btn-enable:hover {
                background: #10b981;
                color: white;
                border-color: #10b981;
            }

            /* Modal */
            .modal {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0,0,0,0.5);
                z-index: 1000;
                align-items: center;
                justify-content: center;
            }
            .modal.show { display: flex; }
            .modal-content {
                background: white;
                border-radius: 12px;
                width: 90%;
                max-width: 800px;
                max-height: 90vh;
                display: flex;
                flex-direction: column;
                box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            }
            .modal-header {
                padding: 20px 24px;
                border-bottom: 1px solid #e5e5e5;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            .modal-title { font-size: 18px; font-weight: 600; color: #1a1a1a; }
            .modal-close {
                background: none;
                border: none;
                font-size: 24px;
                color: #6b6b6b;
                cursor: pointer;
                padding: 0;
                width: 32px;
                height: 32px;
                display: flex;
                align-items: center;
                justify-content: center;
                border-radius: 6px;
                transition: all 0.2s;
            }
            .modal-close:hover { background: #f5f5f5; color: #1a1a1a; }
            .modal-body {
                padding: 24px;
                flex: 1;
                display: flex;
                flex-direction: column;
                overflow: hidden;
            }
            .modal-footer {
                padding: 16px 24px;
                border-top: 1px solid #e5e5e5;
                display: flex;
                justify-content: flex-end;
                gap: 12px;
            }

            /* JSON Editor */
            .json-editor {
                width: 100%;
                flex: 1;
                min-height: 300px;
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                font-size: 13px;
                padding: 16px;
                border: 1px solid #e5e5e5;
                border-radius: 8px;
                background: #fafaf9;
                color: #1a1a1a;
                line-height: 1.6;
                letter-spacing: 0.3px;
                overflow-y: auto;
                resize: none;
                scrollbar-width: thin;
                scrollbar-color: rgba(0,0,0,0.15) transparent;
            }
            .json-editor::-webkit-scrollbar {
                width: 4px;
            }
            .json-editor::-webkit-scrollbar-track {
                background: transparent;
            }
            .json-editor::-webkit-scrollbar-thumb {
                background: rgba(0,0,0,0.15);
                border-radius: 2px;
            }
            .json-editor::-webkit-scrollbar-thumb:hover {
                background: rgba(0,0,0,0.3);
            }
            .json-editor:focus {
                outline: none;
                border-color: #0071e3;
                box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
            }
            .json-error {
                color: #dc2626;
                font-size: 12px;
                margin-top: 8px;
                padding: 8px 12px;
                background: #fef2f2;
                border: 1px solid #fecaca;
                border-radius: 6px;
                display: none;
            }
            .json-error.show { display: block; }

            .btn-secondary {
                background: #f5f5f5;
                color: #1a1a1a;
                border: 1px solid #e5e5e5;
            }
            .btn-secondary:hover { background: #e5e5e5; }

            .env-var {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: 12px 0;
                border-bottom: 1px solid #f5f5f5;
            }
            .env-var:last-child { border-bottom: none; }
            .env-name {
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                font-size: 12px;
                color: var(--text-main);
                font-weight: 600;
                letter-spacing: 0.3px;
                line-height: 1.5;
            }
            .env-desc {
                font-size: 11px;
                color: var(--text-sec);
                margin-top: 3px;
                line-height: 1.4;
            }
            .env-value {
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                font-size: 12px;
                color: var(--text-sec);
                text-align: right;
                max-width: 50%;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
                letter-spacing: 0.3px;
                line-height: 1.5;
            }

            .badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 600; vertical-align: middle; margin-left: 6px; }
            .badge-required { background: #ffebeb; color: #c62828; }
            .badge-optional { background: #e8f5e9; color: #2e7d32; }

            code {
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                background: #f5f5f7;
                padding: 2px 6px;
                border-radius: 4px;
                font-size: 12px;
                color: var(--blue);
                letter-spacing: 0.3px;
                line-height: 1.5;
            }
            a { color: var(--blue); text-decoration: none; }
            a:hover { text-decoration: underline; }
            .font-mono {
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                letter-spacing: 0.3px;
                line-height: 1.5;
            }

            /* --- Service Info Styles --- */
            .model-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
            .model-tag {
                background: #f0f0f2;
                color: #1d1d1f;
                padding: 4px 10px;
                border-radius: 6px;
                font-size: 12px;
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                border: 1px solid transparent;
                letter-spacing: 0.3px;
                line-height: 1.5;
            }
            .model-tag.highlight { background: #eef7ff; color: #0071e3; border-color: #dcebfb; font-weight: 500; }

            .info-box { background: #f9f9f9; border: 1px solid #e5e5ea; border-radius: 8px; padding: 14px; }
            .info-box-title { font-weight: 600; font-size: 12px; color: #1d1d1f; margin-bottom: 6px; }
            .info-box-text { font-size: 12px; color: #86868b; line-height: 1.5; }

            /* Settings Form Styles */
            .setting-item {
                margin-bottom: 14px;
            }
            .setting-item label {
                display: block;
                font-size: 12px;
                font-weight: 600;
                color: #1d1d1f;
                margin-bottom: 6px;
            }
            .setting-item input[type="text"],
            .setting-item input[type="password"],
            .setting-item input[type="number"] {
                width: 100%;
                padding: 8px 12px;
                border: 1px solid #d4d4d4;
                border-radius: 6px;
                font-size: 13px;
                color: #1d1d1f;
                background: #fff;
                transition: border-color 0.15s;
            }
            .setting-item input:focus {
                outline: none;
                border-color: #0071e3;
            }
            .setting-item input::placeholder {
                color: #c7c7cc;
            }

            .ep-table {
                width: 100%;
                border-collapse: collapse;
                font-size: 13px;
                background: #fff;
                border: 1px solid #e5e5e5;
                border-radius: 12px;
                overflow: hidden;
            }
            .ep-table tr { border-bottom: 1px solid #f5f5f5; }
            .ep-table tr:last-child { border-bottom: none; }
            .ep-table td { padding: 12px 16px; vertical-align: middle; }

            .method {
                display: inline-block;
                padding: 2px 6px;
                border-radius: 4px;
                font-size: 10px;
                font-weight: 700;
                text-transform: uppercase;
                min-width: 48px;
                text-align: center;
                margin-right: 8px;
            }
            .m-post { background: #eafbf0; color: #166534; border: 1px solid #dcfce7; }
            .m-get { background: #eff6ff; color: #1e40af; border: 1px solid #dbeafe; }
            .m-del { background: #fef2f2; color: #991b1b; border: 1px solid #fee2e2; }

            .ep-path {
                font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, "Courier New", monospace;
                color: #1d1d1f;
                margin-right: 8px;
                font-size: 12px;
                letter-spacing: 0.3px;
                line-height: 1.5;
            }
            .ep-desc { color: #86868b; font-size: 12px; margin-left: auto; }

            .current-url-row {
                display: flex;
                align-items: center;
                padding: 10px 12px;
                background: #f2f7ff;
                border-radius: 8px;
                margin-bottom: 16px;
                border: 1px solid #e1effe;
            }

            .api-item {
                display: flex;
                align-items: center;
                gap: 10px;
            }
            .api-item-label {
                font-size: 11px;
                color: #6b6b6b;
                min-width: 60px;
                flex-shrink: 0;
            }
            .api-item-code {
                flex: 1;
                font-size: 11px;
                background: rgba(0,0,0,0.04);
                padding: 4px 8px;
                border-radius: 4px;
                font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
                word-break: break-all;
            }

            @media (max-width: 800px) {
                .grid-3, .grid-env { grid-template-columns: 1fr; }
                .header { flex-direction: column; align-items: flex-start; gap: 16px; }
                .header-actions { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
                .header-actions .btn { justify-content: center; text-align: center; }

                /* API 接口移动端上下布局 */
                .api-item {
                    flex-direction: column;
                    align-items: stretch;
                    gap: 4px;
                }
                .api-item-label {
                    margin-bottom: 0;
                }
                .api-item-content {
                    display: flex;
                    gap: 8px;
                }

                .ep-table td { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
                .ep-desc { margin-left: 0; }

                /* Tabs Mobile */
                .tabs-nav {
                    overflow-x: auto;
                    padding: 0;
                    gap: 0;
                    -webkit-overflow-scrolling: touch;
                }
                .tab-button {
                    flex: 1;
                    min-width: 100px;
                    padding: 10px 16px;
                    font-size: 13px;
                    justify-content: center;
                }

                /* Account Table Mobile - Card Layout */
                .account-table {
                    display: block;
                    border: none;
                }
                .account-table thead {
                    display: none;
                }
                .account-table tbody {
                    display: block;
                }
                .account-table tr {
                    display: block;
                    margin-bottom: 12px;
                    border: 1px solid #e5e5e5;
                    border-radius: 10px;
                    background: #fff;
                    padding: 12px;
                    position: relative;
                }
                .account-table td {
                    display: block;
                    padding: 0;
                    border: none;
                }

                /* 账号ID - 卡片头部 */
                .account-table td:nth-child(1) {
                    margin-bottom: 10px;
                    padding-bottom: 10px;
                    padding-right: 80px;
                    border-bottom: 1px solid #f5f5f5;
                }
                .account-table td:nth-child(1) > div {
                    width: 100%;
                }
                .account-table td:nth-child(1) span:last-child {
                    word-break: break-all;
                }

                /* 状态 - 右上角显示 */
                .account-table td:nth-child(2) {
                    position: absolute;
                    top: 12px;
                    right: 12px;
                    padding: 0;
                }
                .account-table td:nth-child(2)::before {
                    display: none;
                }
                .account-table td:nth-child(2) > span {
                    display: inline-block;
                    padding: 4px 10px;
                    border-radius: 6px;
                    font-size: 11px;
                    white-space: nowrap;
                    font-weight: 600;
                    background: rgba(255,255,255,0.95);
                    border: 1px solid currentColor;
                    opacity: 0.9;
                }

                /* 信息行 - 紧凑布局 */
                .account-table td:nth-child(3),
                .account-table td:nth-child(4),
                .account-table td:nth-child(5) {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    padding: 6px 0;
                    font-size: 12px;
                }
                .account-table td:nth-child(3)::before,
                .account-table td:nth-child(4)::before,
                .account-table td:nth-child(5)::before {
                    content: attr(data-label);
                    font-weight: 600;
                    color: #86868b;
                    font-size: 11px;
                    margin-right: 8px;
                }

                /* 操作按钮 - 底部 */
                .account-table td:nth-child(6) {
                    margin-top: 10px;
                    padding-top: 10px;
                    border-top: 1px solid #f5f5f5;
                }
                .account-table td:nth-child(6)::before {
                    display: none;
                }
                .account-table td:nth-child(6) > div {
                    width: 100%;
                    justify-content: flex-end;
                }
            }