.modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: var(--modal-overlay-bg);
            backdrop-filter: var(--modal-overlay-filter);
            z-index: 1500;
            display: none;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity var(--duration-normal) ease;
        }
        .modal-overlay.show {
            opacity: 1;
            display: flex;
        }
        .modal-card {
            background: var(--modal-bg);
            max-width: 95vw;
            max-height: 90vh;
            border-radius: var(--modal-radius);
            border: var(--modal-border);
            box-shadow: var(--modal-shadow);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: scale(0.94) translateY(10px);
            transition: transform 0.28s var(--ease-out);
        }
        .modal-overlay.show .modal-card {
            transform: scale(1) translateY(0);
        }

        .modal-header {
            padding: 18px 24px;
            border-bottom: var(--modal-header-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--modal-header-bg);
            flex-shrink: 0;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .modal-header h3 {
            margin: 0;
            font-size: 15px;
            font-weight: 650;
            color: var(--modal-title-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .modal-close-btn {
            width: 30px;
            height: 30px;
            background: var(--modal-close-bg);
            border: var(--modal-close-border);
            border-radius: var(--control-radius);
            cursor: pointer;
            color: var(--modal-close-text);
            transition: all var(--duration-normal) var(--ease-out);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
        }
        .modal-close-btn:hover {
            color: var(--modal-close-hover-text);
            background: var(--modal-close-hover-bg);
            border: var(--modal-close-hover-border);
            box-shadow: var(--modal-close-hover-shadow);
        }
        .modal-body {
            padding: 24px;
            background: var(--modal-body-bg);
            overflow-y: auto;
            overflow-x: hidden;
            flex: 1;
        }
        .form-group {
            margin-bottom: 14px;
            display: flex;
            align-items: center;
        }
        .form-group label {
            width: 90px;
            font-size: 13px;
            color: var(--text-soft);
            font-weight: 550;
            text-align: right;
            padding-right: 16px;
            flex-shrink: 0;
        }
        .form-control {
            flex: 1;
            padding: 10px 14px;
            border: var(--control-border);
            border-radius: var(--control-radius);
            outline: none;
            font-size: 13px;
            color: var(--control-text);
            transition: all var(--duration-normal) var(--ease-out);
            background: var(--control-bg);
            text-overflow: ellipsis;
            max-width: 100%;
            box-sizing: border-box;
            box-shadow: var(--control-shadow);
            /* 禁用浏览器自动填充样式 */
            -webkit-appearance: none;
        }
        .form-control:focus {
            border-color: var(--control-focus-border);
            box-shadow: var(--control-focus-shadow);
        }
        /* 隐藏浏览器原生密码眼睛按钮，使用自定义的 */
        input[type="password"]::-ms-reveal,
        input[type="password"]::-ms-clear,
        input[type="password"]::-webkit-credentials-auto-fill-button {
            display: none !important;
        }
        /* 隐藏浏览器自动填充/建议相关的 UI */
        input::-webkit-contacts-auto-fill-button,
        input::-webkit-credit-card-auto-fill-button,
        input::-webkit-caps-lock-indicator,
        input::-webkit-textfield-decoration-container > * {
            display: none !important;
            -webkit-appearance: none !important;
        }

        .settings-tabs {
            display: flex;
            gap: 8px;
            padding: 12px 18px 12px;
            background: var(--settings-tabs-bg);
            border-bottom: var(--settings-tabs-border);
        }
        .settings-tab-btn {
            border: var(--settings-tab-border);
            background: var(--settings-tab-bg);
            color: var(--settings-tab-text);
            border-radius: var(--settings-tab-radius);
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 750;
            cursor: pointer;
            transition: all .18s ease;
        }
        .settings-tab-btn.active {
            color: var(--settings-tab-active-text);
            background: var(--settings-tab-active-bg);
            border: var(--settings-tab-active-border);
        }
        .settings-panel { display: none; min-width: 0; }
        .settings-panel.active { display: block; }
        .settings-body {
            padding: 18px;
            background: var(--modal-body-bg);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .settings-card {
            width: min(680px, 94vw) !important;
        }
        .settings-card.api-active,
        .settings-card.other-active {
            width: min(680px, 94vw) !important;
        }
        .settings-card.storage-active {
            width: min(820px, 94vw) !important;
        }
        .settings-card.dock-active {
            width: min(1200px, 94vw) !important;
            max-width: 94vw !important;
        }
        #settings-modal .settings-panel {
            background: transparent !important;
            border: 0 !important;
            box-shadow: none !important;
            border-radius: 0 !important;
            padding: 0 !important;
        }

        /* 存储与备份设置：紧凑稳定的设置中心布局 */
        .storage-settings-card {
            width: min(820px, 94vw) !important;
        }
        .storage-settings-body {
            padding: 18px;
            color: var(--text);
        }
        .storage-settings-intro {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 14px;
            padding: 13px 15px;
            border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
            border-radius: 14px;
            background: var(--settings-intro-bg);
        }
        .storage-settings-kicker {
            margin-bottom: 3px;
            color: var(--accent);
            font-size: 11px;
            font-weight: 850;
            letter-spacing: 0.04em;
        }
        .storage-settings-intro p {
            margin: 0;
            color: var(--text-soft);
            font-size: 12.5px;
            line-height: 1.55;
        }
        .storage-settings-card .storage-settings-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
            gap: 16px;
            align-items: start;
        }
        .storage-side-stack {
            display: flex;
            flex-direction: column;
            gap: 14px;
            min-width: 0;
        }
        .storage-settings-card .storage-card {
            min-width: 0;
            background: var(--settings-card-bg) !important;
            border: var(--settings-card-border) !important;
            border-radius: var(--settings-card-radius) !important;
            padding: 16px !important;
            box-shadow: var(--settings-card-shadow);
        }
        .storage-settings-card .storage-card-title {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
        }
        .storage-settings-card .storage-card-title .title-text {
            color: var(--text);
            font-size: 14px;
            font-weight: 850;
            letter-spacing: 0.01em;
        }
        .storage-settings-card .storage-card-title .title-desc {
            margin-top: 3px;
            color: var(--text-muted);
            font-size: 11.5px;
            line-height: 1.45;
        }
        .storage-card-title-status {
            align-items: center;
        }
        .storage-status-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            flex-shrink: 0;
            padding: 4px 8px;
            border-radius: 999px;
            border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
            background: var(--surface-soft);
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 750;
            white-space: nowrap;
        }
        .storage-form-list,
        .storage-card-stack {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .storage-form-item {
            display: grid;
            grid-template-columns: 104px minmax(0, 1fr);
            gap: 6px 12px;
            align-items: center;
        }
        .storage-form-item > label,
        .storage-form-copy label {
            color: var(--text-soft);
            font-size: 12.5px;
            font-weight: 800;
        }
        .storage-form-item > p,
        .storage-form-copy p,
        .storage-sync-panel p {
            grid-column: 2;
            margin: 0;
            color: var(--text-muted);
            font-size: 11.5px;
            line-height: 1.5;
        }
        .storage-form-item code {
            padding: 1px 5px;
            border-radius: 6px;
            background: var(--surface-muted);
            color: var(--text-soft);
            font-size: 11px;
        }
        .storage-form-item-inline {
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 12px;
        }
        .storage-form-copy {
            min-width: 0;
        }
        .storage-form-copy p {
            grid-column: auto;
            margin-top: 3px;
        }
        .storage-toggle {
            grid-column: 2;
            justify-self: end;
        }
        .storage-path-control {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 8px;
            min-width: 0;
        }
        .storage-settings-card .form-control {
            width: 100%;
            min-width: 0;
            min-height: 36px;
            font-size: 12.5px;
            font-weight: 550;
            color: var(--text);
            background: var(--surface) !important;
            border-color: color-mix(in srgb, var(--line) 86%, transparent);
            box-shadow: none;
        }
        .storage-settings-card .form-control::placeholder {
            color: color-mix(in srgb, var(--text-muted) 82%, transparent);
            font-weight: 500;
        }
        .storage-settings-card .gd-btn,
        .storage-settings-card .btn {
            min-height: 36px;
            border-radius: 10px;
            font-size: 12px;
            font-weight: 800 !important;
            box-shadow: none !important;
        }
        .storage-google-btn {
            width: 100%;
            justify-content: center;
        }
        .storage-account-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 10px;
            border: 1px solid var(--gdrive-panel-border);
            border-radius: 12px;
            background: var(--gdrive-panel-bg);
        }
        .storage-account-main {
            display: flex;
            align-items: center;
            gap: 9px;
            min-width: 0;
        }
        .storage-account-avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--gdrive-avatar-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            overflow: hidden;
            border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
        }
        .storage-account-avatar img {
            width: 24px;
            height: 24px;
            object-fit: contain;
        }
        .storage-account-text {
            min-width: 0;
        }
        .storage-account-label {
            margin-bottom: 2px;
            color: var(--gdrive-label-color);
            font-size: 10.5px;
            font-weight: 750;
        }
        .storage-account-name {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: var(--gdrive-user-color);
            font-size: 12.5px;
            font-weight: 850;
        }
        .storage-logout-btn {
            flex-shrink: 0;
            color: var(--gdrive-logout-color) !important;
            border-color: var(--gdrive-logout-border) !important;
            background: var(--gdrive-logout-bg) !important;
        }
        .storage-sync-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-bottom: 8px;
        }
        .storage-sync-actions .svg-icon {
            width: 14px;
            height: 14px;
        }
        .storage-backup-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }
        .storage-backup-actions .storage-danger-btn {
            grid-column: 1 / -1;
            color: var(--danger) !important;
            border-color: color-mix(in srgb, var(--danger) 28%, var(--line)) !important;
            background: color-mix(in srgb, var(--danger) 7%, var(--surface-strong)) !important;
        }
        .api-settings-card {
            padding: 16px;
            margin-bottom: 10px;
            background: var(--api-memory-bg);
            border: var(--api-memory-border);
            border-radius: var(--api-memory-radius);
            color: var(--api-memory-title);
        }
        .api-settings-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }
        .api-settings-title {
            color: var(--api-memory-title);
            font-size: 13px;
            font-weight: 700;
        }
        .api-settings-desc {
            margin: 2px 0 0;
            color: var(--api-memory-desc);
            font-size: 11px;
        }
        .api-sync-models-btn {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 12px;
            font-size: 11px;
            border: var(--control-border);
        }
        .api-sync-models-btn .svg-icon {
            width: 0.9em;
            height: 0.9em;
        }
        .api-key-field {
            position: relative;
            flex: 1;
        }
        .api-key-input {
            width: 100%;
            padding-right: 35px;
        }
        .api-key-toggle {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: var(--text-muted);
            display: flex;
            align-items: center;
        }
        /* === 编辑自定义模型弹窗 === */
        .edit-model-card {
            width: 520px;
            max-width: 92vw;
        }
        .edit-model-body {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 18px 22px 4px;
        }
        .edit-model-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 14px;
        }
        .edit-model-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .edit-model-field-full {
            grid-column: 1 / -1;
        }
        .edit-model-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 6px;
            line-height: 1.2;
        }
        .edit-model-hint {
            font-size: 11px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .edit-model-field .form-control {
            width: 100%;
            box-sizing: border-box;
        }
        .edit-model-readonly {
            background: var(--surface-soft, #f1f5f9);
            color: var(--text-muted);
            cursor: not-allowed;
        }
        .edit-model-key-wrap {
            position: relative;
        }
        .edit-model-key-input {
            padding-right: 36px;
        }
        .edit-model-footer {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            padding: 14px 22px 18px;
        }
        .edit-model-btn {
            min-width: 96px;
            justify-content: center;
        }
        .api-layout {
            display: flex;
            min-height: 420px;
            border: 1px solid var(--control-border-color, #e2e8f0);
            border-radius: 10px;
            overflow: hidden;
            background: var(--card-bg, #fff);
        }
        .api-vtabs {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 16px 12px;
            min-width: 130px;
            flex-shrink: 0;
            border-right: var(--api-vtabs-border);
            background: var(--api-vtabs-bg);
        }
        .api-panel-area {
            flex: 1;
            min-width: 0;
            overflow-y: auto;
            padding: 20px;
        }
        .api-vtab-btn {
            display: block;
            width: 100%;
            padding: 10px 14px;
            border: none;
            border-radius: 8px;
            background: transparent;
            color: var(--api-vtab-text);
            font-size: 13px;
            font-weight: 500;
            text-align: left;
            cursor: pointer;
            transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.15s;
        }
        .api-vtab-btn:hover {
            background: var(--api-vtab-hover-bg);
            color: var(--api-vtab-hover-text);
        }
        .api-vtab-btn.active {
            background: var(--api-vtab-active-bg);
            color: var(--api-vtab-active-text);
            font-weight: 600;
        }
        .api-vtab-btn.active:hover {
            background: var(--api-vtab-active-hover-bg);
            color: var(--api-vtab-active-hover-text);
        }
        .api-tab-panel {
            display: none;
        }
        .api-tab-panel.active {
            display: block;
        }
        /* === 通用自定义下拉组件（统一所有 select 样式） === */
        .custom-select-wrap {
            position: relative;
            flex: 1 1 0;
            min-width: 0;
            display: flex;
            max-width: 100%;
        }
        .custom-select-native {
            display: none !important;
        }
        .custom-select-trigger {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            gap: 8px;
            width: 100%;
            min-width: 0;
            box-sizing: border-box;
            transition: border-color 0.15s, box-shadow 0.15s;
        }
        .custom-select-trigger:hover {
            border-color: var(--control-focus-border, #93c5fd);
        }
        .custom-select-wrap.open .custom-select-trigger {
            border-color: var(--control-focus-border, #93c5fd);
            box-shadow: var(--control-focus-shadow);
        }
        .custom-select-label {
            flex: 1 1 0;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: block;
        }
        .custom-select-arrow {
            width: 12px;
            height: 12px;
            flex-shrink: 0;
            opacity: 0.5;
            transition: transform 0.18s;
        }
        .custom-select-wrap.open .custom-select-arrow {
            transform: rotate(180deg);
        }
        /* 浮动面板 */
        .custom-select-dropdown {
            position: fixed;
            z-index: 9999;
            background: var(--custom-select-dropdown-bg);
            border: var(--custom-select-dropdown-border);
            border-radius: 10px;
            box-shadow: var(--custom-select-dropdown-shadow);
            padding: 6px;
            display: flex;
            flex-direction: column;
            min-width: 220px;
            overflow: hidden;
            box-sizing: border-box;
        }
        .custom-select-search {
            width: 100%;
            min-width: 0;
            box-sizing: border-box;
            margin: 2px 0 6px;
            font-size: 12px;
            padding: 7px 10px;
            border: var(--custom-select-search-border);
            border-radius: 7px;
            outline: none;
            background: var(--custom-select-search-bg);
            color: var(--custom-select-search-text);
        }
        .custom-select-search:focus {
            border-color: var(--custom-select-search-focus-border);
        }
        .custom-select-list {
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
            flex: 1 1 auto;
            display: block;
            scrollbar-width: thin;
            scrollbar-color: var(--custom-select-scrollbar-color);
        }
        .custom-select-list::-webkit-scrollbar {
            width: 6px;
        }
        .custom-select-list::-webkit-scrollbar-track {
            background: transparent;
        }
        .custom-select-list::-webkit-scrollbar-thumb {
            background: var(--custom-select-scrollbar-thumb);
            border-radius: 99px;
        }
        .custom-select-list::-webkit-scrollbar-thumb:hover {
            background: var(--custom-select-scrollbar-thumb-hover);
        }
        .custom-select-group-label {
            display: block;
            width: 100%;
            min-width: 0;
            min-height: 22px;
            line-height: 13px;
            box-sizing: border-box;
            font-size: 11px;
            font-weight: 600;
            color: var(--custom-select-group-text);
            padding: 6px 10px 3px;
            user-select: none;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .custom-select-option {
            display: block;
            width: 100%;
            min-width: 0;
            min-height: 30px;
            line-height: 16px;
            box-sizing: border-box;
            padding: 7px 10px;
            margin-bottom: 1px;
            font-size: 13px;
            border-radius: 6px;
            cursor: pointer;
            color: var(--custom-select-option-text);
            transition: background 0.1s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .custom-select-option:hover {
            background: var(--custom-select-option-hover-bg);
            color: var(--custom-select-option-hover-text);
        }
        .custom-select-option.selected {
            background: var(--custom-select-option-selected-bg);
            color: var(--custom-select-option-selected-text);
            font-weight: 600;
        }
        .custom-select-option.selected:hover {
            background: var(--custom-select-option-selected-hover-bg);
        }
        .custom-select-empty {
            padding: 12px;
            text-align: center;
            color: var(--custom-select-empty-text);
            font-size: 12px;
        }
        .api-memory-card {
            padding: 16px;
            margin-bottom: 10px;
            background: var(--api-memory-bg);
            border: var(--api-memory-border);
            border-radius: var(--api-memory-radius);
            color: var(--api-memory-title);
        }
        .api-memory-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }
        .api-memory-title {
            color: var(--api-memory-title);
            font-size: 13px;
            font-weight: 700;
        }
        .api-memory-desc {
            margin: 2px 0 0;
            color: var(--api-memory-desc);
            font-size: 11px;
        }
        .api-memory-refresh {
            padding: 4px 10px;
            font-size: 11px;
            border: var(--control-border);
        }
        .api-memory-actions {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
        }
        .api-memory-name {
            flex: 1;
        }
        .api-memory-save {
            padding: 8px 14px;
            flex-shrink: 0;
            font-size: 12px;
        }
        .api-memory-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            max-height: 160px;
            overflow-y: auto;
            padding: 6px;
            background: var(--api-memory-list-bg);
            border: var(--api-memory-border);
            border-radius: var(--control-radius);
        }
        .status-debug-trigger {
            cursor: pointer;
            border: 0;
            background: transparent;
            color: inherit;
            font: inherit;
            border-radius: 6px;
            padding: 1px 3px;
            transition: background 0.18s, color 0.18s;
            pointer-events: auto;
            position: relative;
            z-index: 1300;
        }
        .status-debug-trigger:hover {
            background: var(--accent-soft);
            color: var(--accent);
        }
        @media (max-width: 640px) {
            .settings-body,
            .storage-settings-body {
                padding: 14px;
            }
            .storage-form-item,
            .storage-form-copy {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .storage-form-item > p,
            .storage-form-copy p,
            .storage-sync-panel p,
            .storage-toggle {
                grid-column: 1;
            }
            .storage-toggle {
                justify-self: start;
                grid-row: auto;
            }
            .storage-path-control,
            .storage-sync-actions,
            .storage-backup-actions,
            .perf-mode-grid {
                grid-template-columns: 1fr;
            }
            .storage-card-title-status,
            .storage-account-card {
                align-items: stretch;
                flex-direction: column;
            }
            .storage-status-pill,
            .storage-logout-btn {
                align-self: flex-start;
            }
        }
        .debug-log-card {
            width: min(920px, 92vw);
            height: min(720px, 82vh);
        }
        .debug-log-count-pill {
            margin-left: auto;
            margin-right: 12px;
            color: var(--help-meta-text);
            background: var(--help-meta-bg);
            border: var(--help-meta-border);
            border-radius: 999px;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 800;
        }
        .debug-log-body {
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-height: 0;
        }
        .debug-log-toolbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            padding: 14px;
            border: 1px solid rgba(203, 213, 225, 0.45);
            border-radius: var(--radius-md);
            background: var(--surface);
            flex-shrink: 0;
            box-shadow: var(--neu-inset);
        }
        .debug-log-toolbar strong {
            color: var(--text);
            font-size: 14px;
        }
        .debug-log-toolbar p {
            margin: 3px 0 0;
            color: var(--text-muted);
            font-size: 12px;
            line-height: 1.5;
        }
        .debug-log-actions {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }
        .debug-log-list {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            border: 1px solid rgba(203, 213, 225, 0.45);
            border-radius: var(--radius-md);
            background: var(--guide-pre-bg);
            padding: 12px;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            box-shadow: var(--neu-inset-deep);
        }
        .debug-log-empty {
            color: #cbd5e1;
            font-size: 12px;
            padding: 18px;
            text-align: center;
        }
        .debug-log-item {
            border-left: 3px solid #64748b;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            padding: 8px 10px;
            margin-bottom: 8px;
            color: #e2e8f0;
        }
        .debug-log-item.success { border-left-color: #22c55e; }
        .debug-log-item.warn { border-left-color: #f59e0b; }
        .debug-log-item.error { border-left-color: #ef4444; }
        .debug-log-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            flex-wrap: wrap;
        }
        .debug-log-time { color: #93c5fd; }
        .debug-log-level,
        .debug-log-category {
            color: var(--text);
            background: var(--guide-code-bg);
            border-radius: 999px;
            padding: 1px 7px;
            font-size: 11px;
            font-weight: 800;
        }
        .debug-log-item.success .debug-log-level { background: #bbf7d0; color: #166534; }
        .debug-log-item.warn .debug-log-level { background: #fde68a; color: #92400e; }
        .debug-log-item.error .debug-log-level { background: #fecaca; color: #991b1b; }
        .debug-log-item pre {
            white-space: pre-wrap;
            word-break: break-word;
            margin: 7px 0 0;
            color: #cbd5e1;
            font-size: 12px;
            line-height: 1.55;
        }
        .debug-log-context-menu {
            position: fixed;
            display: none;
            z-index: 100000;
            min-width: 140px;
            padding: 6px;
            border-radius: var(--radius-md);
            background: var(--node-neu-bg);
            border: 1px solid rgba(203, 213, 225, 0.45);
            box-shadow: var(--neu-shadow-hover);
            backdrop-filter: blur(12px);
        }
        .debug-log-context-item {
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-soft);
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--duration-fast) ease;
        }
        .debug-log-context-item:hover {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .modal-footer {
            padding: 14px 24px;
            border-top: 1px solid rgba(203, 213, 225, 0.35);
            background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.5));
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            flex-shrink: 0;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .btn {
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--duration-normal) var(--ease-out);
            border: 1px solid transparent;
        }
        .btn-cancel {
            background: var(--surface);
            border-color: rgba(203, 213, 225, 0.45);
            color: var(--text-soft);
            box-shadow: 
                2px 2px 6px rgba(163, 177, 198, 0.15),
                -2px -2px 6px rgba(255, 255, 255, 0.7);
        }
        .btn-cancel:hover {
            background: var(--surface-soft);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: 
                3px 3px 8px rgba(163, 177, 198, 0.2),
                -3px -3px 8px rgba(255, 255, 255, 0.8);
        }
        .btn-primary {
            background: linear-gradient(145deg, var(--text), color-mix(in srgb, var(--text) 85%, #000));
            color: white;
            box-shadow: 
                0 4px 12px rgba(15, 23, 42, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        .btn-primary:hover {
            background: linear-gradient(145deg, var(--accent), var(--accent-hover));
            transform: translateY(-1px);
            box-shadow: 
                0 6px 16px color-mix(in srgb, var(--accent) 35%, transparent),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
        }
        .btn-danger {
            background: linear-gradient(145deg, rgba(254, 242, 242, 0.9), rgba(254, 226, 226, 0.8));
            border-color: rgba(239, 68, 68, 0.25);
            color: var(--danger);
            box-shadow: 
                2px 2px 6px rgba(239, 68, 68, 0.1),
                -2px -2px 6px rgba(255, 255, 255, 0.8);
        }
        .btn-danger:hover {
            background: linear-gradient(145deg, #fee2e2, #fecaca);
            border-color: rgba(239, 68, 68, 0.4);
            transform: translateY(-1px);
        }
        .setting-box {
            background: var(--surface);
            border: 1px solid rgba(203, 213, 225, 0.45);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            box-shadow: 
                3px 3px 8px rgba(163, 177, 198, 0.15),
                -3px -3px 8px rgba(255, 255, 255, 0.6);
        }
        .setting-box:last-child {
            margin-bottom: 0;
        }
        .setting-box-title {
            font-size: 13px;
            font-weight: 650;
            color: var(--text-soft);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .setting-box-title::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
        }

        .save-as-card {
            background: var(--surface-strong);
            border-radius: 16px;
            width: 380px;
            max-width: 92vw;
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.15);
            overflow: hidden;
        }
        .save-as-body {
            padding: 28px 28px 20px;
            text-align: center;
        }
        .save-as-icon {
            width: 52px;
            height: 52px;
            background: var(--accent-soft);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--accent);
        }
        .save-as-icon svg { width: 26px;
            height: 26px; }
        .save-as-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .save-as-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 22px;
            line-height: 1.5;
        }
        .save-as-actions {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .unsaved-confirm-card {
            width: 440px;
            max-width: 92vw;
        }
        .settings-unsaved-overlay {
            z-index: 2400;
        }
        .unsaved-confirm-header h3 {
            gap: 10px;
        }
        .unsaved-confirm-header h3 .svg-icon {
            color: #ea580c;
        }
        .unsaved-confirm-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .unsaved-confirm-copy {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .unsaved-confirm-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
        }
        .unsaved-confirm-desc {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.7;
        }
        .unsaved-confirm-file-wrap {
            background: var(--surface-strong);
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 12px 14px;
            box-shadow: 0 10px 25px rgba(15,23,42,0.04);
        }
        .unsaved-confirm-file-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .unsaved-confirm-file {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            word-break: break-all;
            line-height: 1.5;
        }
        .unsaved-confirm-footer {
            justify-content: flex-end;
        }
        .unsaved-confirm-footer .btn {
            min-width: 108px;
        }
        .save-as-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.2s;
        }
        .save-as-btn.primary {
            background: var(--text);
            color: white;
        }
        .save-as-btn.primary:hover {
            background: var(--accent);
        }
        .save-as-btn.secondary {
            background: var(--surface-muted);
            color: var(--text-soft);
            border: 1px solid var(--line);
        }
        .save-as-btn.secondary:hover {
            background: var(--line);
            color: var(--text);
        }
        .save-as-btn.ghost {
            background: transparent;
            color: var(--text-muted);
            font-size: 13px;
            padding: 8px;
        }
        .save-as-btn.ghost:hover {
            color: var(--text-muted);
            background: var(--surface-soft);
        }
        .save-as-btn svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .help-card {
            width: min(1180px, 94vw);
            height: min(760px, 90vh);
        }
        .help-header {
            gap: 14px;
            background: var(--help-header-bg);
        }
        .help-header h3 {
            margin-right: auto;
        }
        .modal-edition-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            vertical-align: super;
            margin-left: 4px;
            color: var(--help-meta-text);
            background: var(--help-meta-bg);
            border: var(--help-meta-border);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: 9px;
            font-weight: 800;
            letter-spacing: .02em;
            line-height: 1;
            white-space: nowrap;
        }
        .help-version-pill {
            color: var(--help-meta-text);
            background: var(--help-meta-bg);
            border: var(--help-meta-border);
            border-radius: 999px;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 700;
            white-space: nowrap;
        }
        .help-body {
            display: grid;
            grid-template-columns: minmax(320px, 1.22fr) minmax(310px, 1.06fr) minmax(250px, 0.86fr);
            gap: 14px;
            padding: 16px;
            color: var(--help-body-text);
            line-height: 1.65;
            min-height: 0;
            flex: 1;
            overflow: hidden;
        }
        .help-special-edition {
            width: min(940px, 94vw);
        }
        .help-special-edition .help-body {
            grid-template-columns: minmax(340px, 1.05fr) minmax(360px, 1fr);
        }
        #user-guide-modal {
            z-index: 1700;
        }
        .user-guide-card {
            width: min(980px, 94vw);
            height: min(760px, 88vh);
        }
        .user-guide-header {
            gap: 10px;
        }
        .user-guide-header h3 {
            margin-right: auto;
        }
        .user-guide-source {
            margin-left: 0;
            margin-right: 12px;
            color: var(--help-meta-text);
            background: var(--help-meta-bg);
            border: var(--help-meta-border);
            border-radius: 999px;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 800;
        }
        .user-guide-searchbar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            background: var(--guide-search-bg);
            border-bottom: var(--guide-search-border);
            flex-shrink: 0;
        }
        .user-guide-searchbox {
            flex: 1;
            min-width: 220px;
            display: flex;
            align-items: center;
            gap: 8px;
            height: 34px;
            padding: 0 10px;
            border: var(--control-border);
            border-radius: 999px;
            background: var(--guide-searchbox-bg);
            color: var(--text-muted);
        }
        .user-guide-searchbox .svg-icon {
            width: 16px;
            height: 16px;
            flex: 0 0 auto;
        }
        #user-guide-search-input {
            flex: 1;
            min-width: 0;
            border: 0;
            outline: none;
            background: transparent;
            color: var(--control-text);
            font-size: 13px;
        }
        .user-guide-search-count {
            flex: 0 0 auto;
            font-size: 11px;
            font-weight: 800;
            color: var(--accent);
            background: rgba(219,234,254,0.72);
            border: 1px solid rgba(147,197,253,0.88);
            border-radius: 999px;
            padding: 2px 7px;
        }
        .user-guide-search-btn {
            height: 34px;
            padding: 0 10px;
            border: var(--control-border);
            border-radius: var(--control-radius);
            background: var(--control-bg);
            color: var(--control-text);
            font-size: 12px;
            font-weight: 800;
            cursor: pointer;
        }
        .user-guide-search-btn:hover {
            border-color: var(--accent-line);
            color: var(--accent);
            background: var(--accent-soft);
        }
        .user-guide-search-btn.ghost {
            color: var(--text-muted);
        }
        .user-guide-body {
            padding: 0;
            overflow: hidden;
            background: var(--guide-content-bg);
        }
        .user-guide-content {
            height: 100%;
            overflow-y: auto;
            padding: 28px 34px 36px;
            box-sizing: border-box;
            color: var(--guide-content-text);
            line-height: 1.75;
            font-size: 14px;
            user-select: text;
            cursor: text;
        }
        .user-guide-content * {
            user-select: text;
        }
        .user-guide-content h1,
        .user-guide-content h2,
        .user-guide-content h3,
        .user-guide-content h4 {
            color: var(--guide-heading-text);
            line-height: 1.35;
            margin: 26px 0 12px;
        }
        .user-guide-content h1 { font-size: 28px; margin-top: 0; }
        .user-guide-content h2 { font-size: 22px; border-bottom: 1px solid var(--guide-table-border); padding-bottom: 8px; }
        .user-guide-content h3 { font-size: 18px; }
        .user-guide-content h4 { font-size: 15px; }
        .user-guide-content p { margin: 8px 0 12px; }
        .user-guide-content blockquote {
            margin: 14px 0;
            padding: 12px 14px;
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            border-radius: 10px;
            color: var(--text-soft);
        }
        .user-guide-content ul,
        .user-guide-content ol {
            margin: 8px 0 14px 22px;
            padding: 0;
        }
        .user-guide-content li { margin: 4px 0; }
        .user-guide-content code {
            background: var(--guide-code-bg);
            color: var(--guide-code-text);
            padding: 2px 5px;
            border-radius: 5px;
            font-family: Consolas, monospace;
            font-size: 0.92em;
        }
        .user-guide-content pre {
            background: var(--guide-pre-bg);
            color: var(--guide-pre-text);
            padding: 14px;
            border-radius: 12px;
            overflow-x: auto;
            line-height: 1.6;
        }
        .user-guide-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .user-guide-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 14px 0 18px;
            background: var(--guide-table-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 0 0 1px var(--guide-table-border);
            table-layout: auto;
        }
        .user-guide-content th,
        .user-guide-content td {
            border-bottom: 1px solid var(--guide-table-border);
            padding: 9px 11px;
            text-align: left;
            vertical-align: top;
        }
        .user-guide-content th {
            background: var(--help-title-bg);
            color: var(--help-title-text);
            font-weight: 800;
        }
        .user-guide-content hr {
            border: 0;
            border-top: 1px solid var(--guide-table-border);
            margin: 24px 0;
        }
        .user-guide-search-hit {
            background: var(--guide-hit-bg);
            color: var(--guide-hit-text);
            border-radius: 4px;
            padding: 0 2px;
        }
        .user-guide-search-hit.active {
            background: var(--guide-hit-active-bg);
            color: var(--guide-hit-active-text);
            box-shadow: 0 0 0 2px rgba(249,115,22,0.22);
        }
        .user-guide-loading,
        .user-guide-error {
            padding: 18px;
            background: var(--guide-table-bg);
            border: 1px solid #dbe4f0;
            border-radius: 14px;
            color: var(--text-soft);
        }
        .help-doc-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin: 14px 16px 0;
            padding: 14px;
            border: var(--help-section-border);
            border-radius: 16px;
            background: var(--help-section-bg);
            box-shadow: 0 10px 24px rgba(37,99,235,0.08);
        }
        .help-doc-copy strong {
            display: block;
            color: var(--help-title-text);
            font-size: 13px;
            margin-bottom: 4px;
        }
        .help-doc-copy p {
            margin: 0;
            color: #64748b;
            font-size: 12px;
            line-height: 1.5;
        }
        .help-doc-btn {
            border: 0;
            border-radius: 999px;
            background: var(--accent);
            color: #fff;
            padding: 8px 14px;
            font-size: 12px;
            font-weight: 800;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 8px 18px rgba(37,99,235,0.18);
        }
        .help-doc-btn:hover { background: #1d4ed8; }
        .help-column {
            background: var(--help-column-bg);
            border: var(--help-column-border);
            border-radius: var(--help-column-radius);
            padding: 0;
            box-shadow: var(--help-column-shadow);
            min-width: 0;
            min-height: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            max-height: 100%;
        }
        .help-col-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            padding: 15px 16px 14px;
            border-bottom: var(--help-column-border);
            background: var(--help-title-bg);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.72), 0 8px 18px rgba(15,23,42,0.05);
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }
        .help-quickstart,
        .help-contact {
            overflow: hidden;
        }
        .help-quickstart-scroll,
        .help-contact-scroll {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
            padding-bottom: 14px;
        }
        .help-quickstart-scroll::-webkit-scrollbar,
        .help-contact-scroll::-webkit-scrollbar {
            width: 4px;
        }
        .help-quickstart-scroll::-webkit-scrollbar-track,
        .help-contact-scroll::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 4px;
        }
        .help-quickstart-scroll::-webkit-scrollbar-thumb,
        .help-contact-scroll::-webkit-scrollbar-thumb {
            background: var(--line-strong);
            border-radius: 4px;
        }
        .help-col-icon {
            width: 34px;
            height: 34px;
            border-radius: 12px;
            background: var(--accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            box-shadow: 0 10px 20px color-mix(in srgb, var(--accent) 18%, transparent);
            flex-shrink: 0;
        }
        .help-col-title h4 {
            margin: 0;
            color: var(--help-title-text);
            font-size: 15px;
        }
        .help-col-title p {
            margin: 2px 0 0;
            color: var(--text-muted);
            font-size: 11px;
        }
        .help-hero-card,
        .help-section,
        .qq-card {
            border-radius: 14px;
            border: var(--help-section-border);
            background: var(--help-section-bg);
            padding: 13px;
            margin: 12px 14px 0;
        }
        .help-hero-card {
            border-color: var(--accent-line);
            background: var(--accent-soft);
        }
        .help-hero-title {
            color: var(--accent);
            font-size: 14px;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .help-hero-card p,
        .help-section p,
        .qq-card p {
            margin: 0;
            font-size: 12px;
            color: var(--text-soft);
        }
        .help-inline-btn {
            border: 0;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
        }
        .help-section h5 {
            margin: 0 0 9px;
            color: var(--text);
            font-size: 13px;
        }
        .help-steps {
            margin: 0;
            padding-left: 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
        }
        .help-steps li strong {
            display: block;
            color: var(--text);
            font-size: 12px;
        }
        .help-steps li span {
            color: #64748b;
        }
        .help-shortcuts {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .help-shortcuts div {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 12px;
            color: #475569;
        }
        .help-shortcuts kbd {
            min-width: 58px;
            text-align: center;
            background: #e2e8f0;
            color: var(--text);
            border-radius: 7px;
            padding: 2px 6px;
            font-size: 11px;
            font-weight: 800;
            box-shadow: inset 0 -1px 0 rgba(15,23,42,0.08);
            flex-shrink: 0;
        }
        .changelog-scroll {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
            padding: 12px 10px 14px 14px;
            background: var(--changelog-scroll-bg);
        }
        .changelog-scroll::-webkit-scrollbar {
            width: 4px;
        }
        .changelog-scroll::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 4px;
        }
        .changelog-scroll::-webkit-scrollbar-thumb {
            background: var(--line-strong);
            border-radius: 4px;
        }
        .changelog-version {
            position: relative;
            border-radius: 16px;
            border: var(--changelog-card-border);
            background: var(--changelog-card-bg);
            padding: 12px 12px 12px 15px;
            margin-bottom: 12px;
            box-shadow: var(--changelog-card-shadow);
            overflow: hidden;
        }
        .changelog-version::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--changelog-accent-bg);
        }
        .changelog-version:last-child {
            margin-bottom: 0;
        }
        .changelog-version h5 {
            margin: 0 0 10px;
            color: var(--text);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }
        .changelog-version h5::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--accent);
            box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent);
            flex-shrink: 0;
        }
        .changelog-note,
        .changelog-empty {
            margin: 0 0 10px;
            color: #64748b;
            font-size: 12px;
            line-height: 1.6;
        }
        .log-group {
            padding: 10px 11px;
            border-radius: 13px;
            background: var(--log-group-bg);
            border: var(--log-group-border);
            margin-bottom: 9px;
        }
        .log-group:last-child {
            margin-bottom: 0;
        }
        .log-group strong {
            display: inline-flex;
            align-items: center;
            margin-bottom: 6px;
            padding: 2px 9px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 800;
            color: var(--text);
            background: rgba(255,255,255,0.62);
            border: 1px solid currentColor;
        }
        .log-group ul {
            margin: 0;
            padding-left: 16px;
            color: #475569;
            font-size: 12px;
            line-height: 1.58;
        }
        .log-group li {
            margin-bottom: 4px;
        }
        .log-group li:last-child {
            margin-bottom: 0;
        }
        .log-group.feature { border-color: rgba(56,189,248,0.38); background: linear-gradient(180deg, #ecfeff, #f8fdff); }
        .log-group.fix { border-color: rgba(251,113,133,0.32); background: linear-gradient(180deg, #fff1f2, #fffafa); }
        .log-group.optimize { border-color: rgba(96,165,250,0.36); background: linear-gradient(180deg, #eff6ff, #f8fbff); }
        .log-group.feature strong { color: #0891b2; }
        .log-group.fix strong { color: #e11d48; }
        .log-group.optimize strong { color: var(--accent); }
        .log-group.change { border-color: rgba(221,214,254,0.92); background: #f5f3ff; }
        .log-group.remove { border-color: rgba(203,213,225,0.92); background: #f8fafc; }
        .log-group.notice { border-color: rgba(253,230,138,0.95); background: var(--accent-soft); }
        .log-group.default { border-color: rgba(226,232,240,0.95); background: var(--log-group-bg); }
        .qq-card {
            text-align: center;
            border-color: rgba(147,197,253,0.9);
            background: var(--reward-card-bg);
        }
        .qq-badge {
            display: inline-flex;
            color: var(--reward-badge-text);
            background: var(--reward-badge-bg);
            border: var(--reward-badge-border);
            border-radius: 999px;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .qq-number {
            color: var(--text);
            font-size: 26px;
            font-weight: 900;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .qq-join-btn {
            margin-top: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            box-sizing: border-box;
            border: 0;
            border-radius: 12px;
            background: var(--home-primary-bg);
            color: white;
            text-decoration: none;
            font-family: inherit;
            font-size: 13px;
            font-weight: 800;
            padding: 10px 14px;
            box-shadow: 0 14px 24px rgba(37,99,235,0.2);
            cursor: pointer;
        }
        .qq-join-btn:hover {
            background: var(--accent-hover);
        }
        .safe-note {
            border-color: rgba(253,230,138,0.95);
            background: #fffbeb;
        }
        .reward-card {
            position: relative;
            overflow: hidden;
            margin: 12px 14px 0;
            padding: 14px;
            border-radius: 18px;
            border: var(--reward-card-border);
            background: var(--reward-card-bg);
        }
        .reward-card::before {
            content: '';
            position: absolute;
            right: -34px;
            top: -34px;
            width: 96px;
            height: 96px;
            border-radius: 999px;
            background: rgba(37,99,235,0.08);
            pointer-events: none;
        }
        .reward-head {
            position: relative;
            z-index: 1;
            text-align: center;
            margin-bottom: 12px;
        }
        .reward-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 3px 10px;
            border-radius: 999px;
            border: var(--reward-badge-border);
            background: var(--reward-badge-bg);
            color: var(--reward-badge-text);
            font-size: 11px;
            font-weight: 900;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .reward-head h5 {
            margin: 0 0 6px;
            color: var(--text);
            font-size: 14px;
            font-weight: 900;
            letter-spacing: 0.01em;
        }
        .reward-head p {
            margin: 0 auto;
            max-width: 260px;
            color: #64748b;
            font-size: 11.5px;
            line-height: 1.65;
        }
        .reward-qr-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
        }
        .reward-qr-item {
            min-width: 0;
            text-align: center;
        }
        .reward-qr-frame {
            width: 100%;
            aspect-ratio: 1 / 1;
            padding: 4px;
            border-radius: 14px;
            background: var(--reward-qr-bg);
            border: var(--reward-qr-border);
            box-sizing: border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: zoom-in;
            transition: transform 0.18s var(--ease-out), border-color 0.18s var(--ease-out), background 0.18s var(--ease-out);
        }
        .reward-qr-frame:hover {
            transform: translateY(-2px) scale(1.025);
            border-color: rgba(37,99,235,0.38);
        }
        .reward-qr-frame img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
            border-radius: 8px;
        }
        .reward-qr-name {
            margin-top: 7px;
            color: #1e40af;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: 0.04em;
        }
        .reward-qr-preview {
            position: fixed;
            inset: 0;
            z-index: 2500;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
            box-sizing: border-box;
            opacity: 0;
            pointer-events: none;
        }
        .reward-qr-preview.show,
        .reward-qr-preview.closing {
            display: flex;
        }
        .reward-qr-preview.show {
            opacity: 1;
            pointer-events: auto;
            animation: rewardPreviewFadeIn 0.18s ease-out forwards;
        }
        .reward-qr-preview.closing {
            pointer-events: none;
            animation: rewardPreviewFadeOut 0.18s ease-in forwards;
        }
        .reward-qr-preview-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.44);
            backdrop-filter: blur(8px);
        }
        .reward-qr-preview-card {
            position: relative;
            z-index: 1;
            width: min(520px, 88vw);
            padding: 20px 20px 16px;
            border-radius: 24px;
            border: var(--reward-preview-border);
            background: var(--reward-preview-bg);
            transform: translateY(18px) scale(0.92);
            opacity: 0;
            box-sizing: border-box;
        }
        .reward-qr-preview.show .reward-qr-preview-card {
            animation: rewardPreviewCardIn 0.22s var(--ease-out) forwards;
        }
        .reward-qr-preview.closing .reward-qr-preview-card {
            animation: rewardPreviewCardOut 0.18s ease-in forwards;
        }
        .reward-qr-preview-close {
            position: absolute;
            right: 14px;
            top: 14px;
            width: 32px;
            height: 32px;
            border: 1px solid rgba(203,213,225,0.85);
            border-radius: 999px;
            background: rgba(255,255,255,0.82);
            color: #64748b;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            transition: background 0.16s var(--ease-out), color 0.16s var(--ease-out), transform 0.16s var(--ease-out);
        }
        .reward-qr-preview-close:hover {
            background: #eff6ff;
            color: var(--accent);
            transform: rotate(6deg) scale(1.04);
        }
        .reward-qr-preview-close .svg-icon {
            width: 16px;
            height: 16px;
        }
        .reward-qr-preview-title {
            padding: 2px 44px 14px;
            text-align: center;
            color: var(--text);
            font-size: 15px;
            font-weight: 900;
            letter-spacing: 0.03em;
        }
        .reward-qr-preview-frame {
            width: min(430px, calc(88vw - 56px));
            aspect-ratio: 1 / 1;
            margin: 0 auto;
            padding: 12px;
            border-radius: 22px;
            background: #fff;
            border: 1px solid rgba(219,228,240,0.96);
            box-sizing: border-box;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .reward-qr-preview-frame img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
            border-radius: 14px;
        }
        .reward-qr-preview-tip {
            margin-top: 12px;
            text-align: center;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 700;
        }
        @keyframes rewardPreviewFadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes rewardPreviewFadeOut {
            from { opacity: 1; }
            to { opacity: 0; }
        }
        @keyframes rewardPreviewCardIn {
            from { opacity: 0; transform: translateY(18px) scale(0.92); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }
        @keyframes rewardPreviewCardOut {
            from { opacity: 1; transform: translateY(0) scale(1); }
            to { opacity: 0; transform: translateY(24px) scale(0.94); }
        }
        @media (max-width: 980px) {
            .help-body { grid-template-columns: 1fr; }
            .help-card { width: min(620px, 94vw); }
            .storage-settings-card .storage-settings-layout {
                grid-template-columns: 1fr;
            }
            .storage-settings-card {
                width: min(760px, 94vw) !important;
            }
            .storage-form-item,
            .storage-form-copy {
                grid-template-columns: 96px minmax(0, 1fr);
            }
        }

        /* === 说明 / 帮助弹窗恢复偏原始扁平卡片感 === */
        .help-card,
        .user-guide-card {
            background: var(--surface-strong) !important;
            border: 1px solid rgba(219,228,240,0.92) !important;
            box-shadow: none !important;
        }
        .help-header {
            background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,250,252,0.96));
        }
        .help-column {
            background: linear-gradient(180deg, rgba(241,245,249,0.96), rgba(248,250,252,0.92));
            border: 1px solid rgba(226,232,240,0.92);
            box-shadow: none !important;
        }
        .help-col-title {
            background: linear-gradient(180deg, #e8eef7 0%, #dde7f3 100%);
            box-shadow: none !important;
        }
        .help-doc-card,
        .help-hero-card,
        .help-section,
        .qq-card,
        .changelog-version,
        .log-group,
        .setting-box,
        .unsaved-confirm-file-wrap {
            box-shadow: none !important;
        }

        /* === 非 Dock / 非右上状态栏：弹窗与按钮取消底部阴影与发光 === */
        .modal-card,
        .modal-close-btn:hover,
        .form-control,
        .form-control:focus,
        .debug-log-toolbar,
        .debug-log-list,
        .debug-log-context-menu,
        .btn,
        .btn:hover,
        .save-as-card,
        .save-as-icon,
        .save-as-btn,
        .help-col-icon,
        .help-doc-btn,
        .help-inline-btn,
        .qq-join-btn {
            box-shadow: none !important;
        }

        /* 其他设置：性能模式 */
        .settings-option-card {
            background: var(--surface-strong);
            border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
            border-radius: 14px;
            padding: 16px;
            margin-bottom: 10px;
        }
        .settings-option-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .settings-option-title {
            font-size: 13px;
            font-weight: 800;
            color: var(--text);
        }
        .settings-option-desc {
            font-size: 11.5px;
            color: var(--text-muted);
            margin: 4px 0 0 0;
            line-height: 1.55;
        }
        .perf-mode-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-top: 12px;
        }
        .perf-mode-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
            border-radius: 10px;
            background: var(--surface-soft);
            padding: 11px 10px;
            cursor: pointer;
            font-family: inherit;
            transition: border-color .15s ease, background .15s ease, box-shadow .15s ease, transform .15s ease;
        }
        .perf-mode-card:hover {
            background: var(--surface-strong);
            border-color: var(--line-strong);
            transform: translateY(-1px);
        }
        .perf-mode-card.active {
            background: color-mix(in srgb, var(--accent) 7%, var(--surface-strong));
            border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
            box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent);
        }
        .perf-mode-title {
            font-size: 13px;
            font-weight: 800;
            color: var(--text);
        }
        .perf-mode-count {
            font-size: 11px;
            color: var(--text-muted);
        }
        .perf-mode-tip {
            font-size: 10px;
            font-weight: 600;
        }
        .perf-mode-tip.safe { color: #10b981; }
        .perf-mode-tip.balanced { color: #2440ED; }
        .perf-mode-tip.fast { color: #f59e0b; }

        /* ================== 主题设置窗口 ================== */
        .theme-settings-overlay {
            z-index: 1800;
        }
        .theme-settings-card {
            width: min(920px, 94vw);
        }
        .theme-settings-header {
            gap: 14px;
        }
        .theme-settings-header h3 {
            margin-right: auto;
        }
        .theme-settings-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid var(--accent-line);
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .theme-settings-body {
            padding: 18px 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            background:
                radial-gradient(circle at 12% 10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 28%),
                radial-gradient(circle at 88% 4%, rgba(21,172,112,0.05), transparent 24%),
                var(--surface-soft);
        }
        .theme-settings-hero {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 18px 18px 16px;
            border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
            border-radius: 18px;
            background: linear-gradient(135deg, var(--surface-strong), color-mix(in srgb, var(--surface) 82%, var(--accent-soft)));
            box-shadow: var(--neu-inset);
        }
        .theme-settings-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .theme-settings-hero p {
            margin: 0;
            color: var(--text-soft);
            font-size: 13px;
            line-height: 1.6;
            max-width: 44ch;
        }
        .theme-settings-preview {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 110px;
            min-height: 64px;
            padding: 10px 14px;
            border-radius: 18px;
            border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
            background: linear-gradient(180deg, var(--surface), var(--surface-strong));
            box-shadow: var(--shadow-soft);
        }
        .theme-settings-preview-dot {
            width: 10px;
            height: 10px;
            border-radius: 999px;
            background: var(--accent);
            box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
        }
        .theme-settings-preview-dot:nth-child(2) {
            background: var(--line-strong);
            box-shadow: 0 0 0 4px color-mix(in srgb, var(--line-strong) 12%, transparent);
        }
        .theme-settings-preview-dot:nth-child(3) {
            background: color-mix(in srgb, var(--accent-hover) 90%, white);
            box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-hover) 14%, transparent);
        }
        .theme-options-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .theme-option-card {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            text-align: left;
            gap: 0;
            padding: 14px;
            border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
            border-radius: 18px;
            background: linear-gradient(180deg, var(--surface-strong), var(--surface));
            color: var(--text);
            cursor: pointer;
            overflow: hidden;
            transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out);
            box-shadow: var(--neu-shadow);
        }
        .theme-option-card:hover {
            transform: translateY(-2px);
            border-color: var(--accent-line);
            box-shadow: var(--neu-shadow-hover);
        }
        .theme-option-card.active {
            border-color: var(--accent-line);
            background: linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 40%, var(--surface-strong)), var(--surface));
            box-shadow: var(--neu-shadow-active), 0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent) inset;
        }
        .theme-option-card.active .theme-option-check {
            opacity: 1;
            transform: scale(1);
        }
        .theme-option-swatch {
            height: 84px;
            border-radius: 14px;
            margin-bottom: 14px;
            border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
        }
        .theme-option-swatch.light {
            background:
                radial-gradient(circle at 20% 20%, rgba(37,66,243,0.16), transparent 30%),
                linear-gradient(135deg, #ffffff, #f1f6ff 58%, #e8eef6);
        }
        .theme-option-swatch.dark {
            background:
                radial-gradient(circle at 72% 24%, rgba(250,204,21,0.24), transparent 32%),
                linear-gradient(135deg, #0b0d10, #171a20 58%, #20242c);
        }
        .theme-option-swatch.wechat {
            background:
                radial-gradient(circle at 22% 24%, rgba(21,172,112,0.30), transparent 30%),
                linear-gradient(135deg, #fafafa, #f2f4f3 55%, #eeeef0);
        }
        .theme-option-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .theme-option-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .theme-option-top strong {
            font-size: 14px;
            font-weight: 850;
            color: var(--text);
        }
        .theme-option-top p,
        .theme-option-content p {
            margin: 0;
        }
        .theme-option-content p {
            color: var(--text-soft);
            font-size: 12px;
            line-height: 1.58;
            min-height: 38px;
        }
        .theme-option-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 3px 8px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: var(--surface-soft);
            color: var(--text-muted);
            font-size: 10px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .theme-option-badge.accent {
            border-color: var(--accent-line);
            background: var(--accent-soft);
            color: var(--accent);
        }
        .theme-option-meta {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .theme-color-chip {
            width: 18px;
            height: 18px;
            border-radius: 999px;
            border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
            box-shadow: 0 2px 6px rgba(15,23,42,0.08);
        }
        .theme-option-check {
            position: absolute;
            right: 14px;
            top: 14px;
            width: 28px;
            height: 28px;
            border-radius: 999px;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 900;
            opacity: 0;
            transform: scale(0.8);
            transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
            box-shadow: 0 10px 20px color-mix(in srgb, var(--accent) 24%, transparent);
        }
        .theme-settings-footer {
            justify-content: flex-end;
        }
        @media (max-width: 860px) {
            .theme-options-grid {
                grid-template-columns: 1fr;
            }
            .theme-settings-hero {
                flex-direction: column;
                align-items: flex-start;
            }
            .theme-settings-preview {
                width: 100%;
                justify-content: flex-start;
            }
        }


/* 大资源复制确认弹窗 */
.canvas-copy-confirm-overlay {
    z-index: 2300;
}
.canvas-copy-confirm-card {
    width: min(560px, calc(100vw - 34px));
    border-radius: 22px;
    position: relative;
    overflow: hidden;
}
.canvas-copy-confirm-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--accent);
    opacity: .72;
}
.canvas-copy-confirm-body {
    padding: 24px;
    color: var(--text);
}
.canvas-copy-confirm-hero {
    display: block;
}
.canvas-copy-confirm-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 0;
}
.canvas-copy-confirm-icon {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 7%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
    opacity: .9;
}
.canvas-copy-confirm-icon .svg-icon {
    width: 21px;
    height: 21px;
    stroke-width: 2.5;
}
.canvas-copy-confirm-content {
    min-width: 0;
    flex: 1;
}
.canvas-copy-confirm-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: .04em;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 9%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
    margin-bottom: 10px;
}
.canvas-copy-confirm-title {
    margin: 0;
    font-size: 18px;
    line-height: 1.35;
    font-weight: 850;
    color: var(--text);
}
.canvas-copy-confirm-desc {
    margin: 10px 0 0;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.7;
}
.canvas-copy-confirm-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0 0;
}
.canvas-copy-confirm-stat {
    padding: 12px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--modal-bg) 82%, var(--accent) 5%);
    border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
}
.canvas-copy-confirm-stat strong {
    display: block;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 3px;
}
.canvas-copy-confirm-stat span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 700;
}
.canvas-copy-confirm-note {
    margin-top: 16px;
    padding: 13px 14px;
    border-radius: 14px;
    color: var(--text-soft);
    font-size: 12.5px;
    line-height: 1.65;
    background: color-mix(in srgb, var(--modal-bg) 86%, var(--accent) 5%);
    border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
}
.canvas-copy-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px 22px;
    background: var(--modal-body-bg);
}
.canvas-copy-confirm-actions .btn {
    min-width: 112px;
}
.canvas-copy-confirm-actions .danger-confirm {
    background: var(--btn-primary-bg, var(--accent));
    border: var(--btn-primary-border, 1px solid color-mix(in srgb, var(--accent) 72%, #000 8%));
    color: var(--btn-primary-text, #fff);
    box-shadow: var(--btn-primary-shadow, 0 10px 22px color-mix(in srgb, var(--accent) 22%, transparent));
}
.canvas-copy-confirm-actions .danger-confirm:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
}
@media (max-width: 560px) {
    .canvas-copy-confirm-stats { grid-template-columns: 1fr; }
    .canvas-copy-confirm-actions { flex-direction: column-reverse; }
    .canvas-copy-confirm-actions .btn { width: 100%; }
}

/* ===== 通用确认弹窗（appConfirm） =====
   套用现有 modal-overlay / modal-card 体系，所有外观属性通过 token 继承。 */
.app-confirm-card {
    width: 440px;
    max-width: 92vw;
}
.app-confirm-header h3 {
    gap: 10px;
}
.app-confirm-header h3 .app-confirm-icon {
    color: var(--text-muted);
    transition: color .2s ease;
}
.app-confirm-overlay.is-danger .app-confirm-header h3 .app-confirm-icon {
    color: var(--danger);
}
.app-confirm-body {
    padding: 22px 24px 24px;
}
.app-confirm-message {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-soft);
    white-space: pre-wrap;
    word-break: break-word;
}
.app-confirm-footer {
    justify-content: flex-end;
    gap: 8px;
}
.app-confirm-footer .btn {
    min-width: 96px;
}