/* @🍮 */
.settings-sidebar {
            /* @🍮 彻底禁止右滑空白 */
            position: absolute;
            top: 0;
            right: 0;
            width: 80%;
            height: 100%;
            background: #fff;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            z-index: 101;
            display: none;
            flex-direction: column;
        }

        .settings-sidebar.open {
            display: flex;
            animation: slideInRight 0.3s ease-out;
        }

        @keyframes slideInRight {
            from { transform: translateX(100%); }
            to { transform: translateX(0); }
        }

        .settings-sidebar .header {
            padding: 15px;
            border-bottom: 1px solid #eee;
            font-weight: bold;
            text-align: center;
            color: var(--primary-color);
        }

        .settings-sidebar .content {
            padding: 20px;
            overflow-y: auto;
            flex-grow: 1;
        }

        .settings-sidebar .form-group textarea {
            height: 100px;
            resize: vertical;
        }

        .settings-sidebar .avatar-setting {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .settings-sidebar .avatar-preview {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--primary-color);
            cursor: pointer;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--secondary-color);
            font-weight: 600;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #fce4ec;
            border-radius: 10px;
            background-color: #fff;
            transition: border-color 0.3s;
            font-family: var(--font-family);
            font-size: 14px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .form-group.radio-group {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .form-group.radio-group label {
            margin-bottom: 0;
        }

        .btn {
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: none;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            text-align: center;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--white-color);
        }

        .btn-primary:hover {
            background-color: var(--secondary-color);
            box-shadow: 0 4px 15px rgba(255, 128, 171, 0.5);
        }

        label.btn-primary {
            color: var(--white-color) !important;
        }

        .btn-small {
            padding: 8px 16px;
            font-size: 14px;
            width: auto;
        }

        .btn-secondary {
            background-color: var(--accent-color);
            color: var(--white-color);
            margin-bottom: 15px;
        }

        .btn-secondary:hover {
            background-color: #64b5f6;
            box-shadow: 0 4px 15px rgba(144, 202, 249, 0.5);
        }

        .btn-neutral {
            background-color: #bdbdbd;
            color: var(--white-color);
        }

        .btn-neutral:hover {
            background-color: #9e9e9e;
        }

        .btn-danger {
            background-color: #ef5350;
            color: white;
        }

        .btn .spinner {
            display: none;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-top-color: var(--white-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .btn.loading .spinner {
            display: block;
        }

        .btn.loading .btn-text {
            display: none;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .wallpaper-preview {
            width: 100%;
            aspect-ratio: 9 / 16;
            max-height: 400px;
            border-radius: var(--border-radius);
            margin-bottom: 25px;
            background-size: cover;
            background-position: center;
            border: 3px dashed var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary-color);
            font-style: italic;
            background-color: #fff8fa;
        }

        .toast {
            position: absolute;
            bottom: 80px;
            left: 50%;
            transform: translateX(-50%);
            background-color: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 10px 20px;
            border-radius: 15px;
            font-size: 14px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.5s, visibility 0.5s;
            z-index: 1000;
        }

        .toast.show {
            opacity: 1;
            visibility: visible;
        }